ASX Release 7 November 2022 Westpac FY22 Presentation and Investor Discussion Pack Westpac Banking Corporation (“Westpac”) today provides the attached Westpac FY22 Presentation and Investor Discussion Pack. For further information: Hayden Cooper Andrew Bowden Group Head of Media Relations General Manager, Investor Relations 0402 393 619 0438 284 863 This document has been authorised for release by Tim Hartin, Company Secretary. Level 18, 275 Kent Street Sydney, NSW, 2000

Financial results throughout this presentation are in Australian dollars and are based on cash earnings unless otherwise stated. Refer page 42 for definition. Results principally cover the 2H22, 1H22 and 2H21 periods. Comparisons of 2H22 versus 1H22 (unless otherwise stated).

Westpac 2022 Full YearResults Index 2022 Full Year Results Presentation 3 Investor Discussion Pack of 2022 Full Year Results 36 Overview 37 Results 39 Customer franchise 43 CORE 48 Sustainability 50 Earnings drivers 60 Revenue 61 Expenses 65 Impairment charges 68 Credit quality and provisions 69 Australian mortgage credit quality 80 Capital, Funding and Liquidity 86 Segment results 97 Consumer 99 Business 100 Westpac Institutional Bank 101 Westpac New Zealand 102 Specialist Businesses 106 Economics 108 Appendix 124 Contact us 137 Disclaimer 138

Peter KingChief Executive Officer

FY22 Steady progress.4Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Well advanced on Fix and Simplify strategic priorities Core earnings growth across all banking segments in 2H22 Strong balance sheet heading into more challenging outlook Positioning Westpac for the future Solid Financial Performance

FY22 Earnings snapshot.1 Cash earnings is a measure of profit generated from ongoing operations for further detail see page 42 and 125. 2 References to notable items in this document include provisions related to estimated customer refunds, costs and litigation; write-down of assets and accelerated branch closure costs; and asset sales/revaluations.3 Return on equity is cash earnings divided by average ordinary equity. FY21FY22Change FY22 –FY21Reported net profit$5,458m$5,694m4%Dividends per share (interim and final)$1.18$1.256%Cash earnings1$5,352m$5,276m(1%)Notable items2($1,601m)($1,292m)(19%)Cash earnings basis excluding notable itemsRevenue$20,374m$19,895m(2%)Net interest margin2.02%1.87%(15bps)Expenses($10,936m)($10,170m)(7%)Core earnings$9,458m$9,725m3%Impairment (charge)/benefit$590m($335m)LargeCash earnings excluding notable items$6,953m$6,568m(6%)Return on equity39.8%9.3%(46bps)5 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

1 Excluding notable items. 8,9439,616 515 1099,4589,725FY21FY22 Contribution ofbusinesses sold Excluding notable itemsand businesses soldWestpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 6 Down 79%Up 8% FY22 Core earnings1growth of 3%.

Addressing past issues Mar-22 Fix Priority –reducing risk.1 Percentages based on Westpac’s assessment of completed activities. 2 Section 95 of the Reserve Bank of New Zealand Act 1989.7Customer Outcomes & Risk Excellence (CORE) program on track1 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackDesignSep-2199%63%9% 76% 40%6% Sep-22 ImplementEmbed 100%87%32%14 major customer remediation programs closed in FY22 with $567m returned to customers, 8 major programs remain openSettled 7 regulatory proceedingsResolved 2 class actions, subject to court approvalUpgradedfinancial crime system and capabilityProgresson New Zealand s952programAPRA liquidity overlay removed

Banking simplificationSimplify Priority –moving to further simplify banking.8 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Portfolio simplification Geographic simplification7 business3businessesexitedin FY223Asian offices no longer operating2businesses under agreement to divestDigital mortgage launched27Co-located branches47applications decommissioned400+processes and paper forms digitised150Products reducedby more thanEnabledself service for285requests Total of exits completed2Asian offices closed

Movements in core earnings by segment.FY22 –FY21 ($m)92H22 –1H22 ($m) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 9,45846623226981249,725(273)(406)FY21 coreearnings exnotable itemsConsumerBusinessWIBNZ (A$) exbusinessessoldSB exbusinessessoldGroupBusinessesBusinessessoldFY22 coreearnings exnotable items 4,5893104528437375,136(334)(39)1H22 coreearnings exnotable itemsConsumerBusinessWIBNZ (A$) exbusinessessoldSB exbusinessessoldGroupBusinessesBusinessessold2H22 coreearnings exnotable items Up 3% Up 12%

Consumer –better franchise performance.10Australian mortgages ($bn)Core earnings excluding notable items ($m)1 Excluding notable items. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 455.7458.4467.6Sep-21Mar-22Sep-22 2,4952,3322,6422H211H222H22 Up 2% Up 13%Performance•Improved mortgage growth•Growing main bank relationships•Margin 17bps lower on year, up 7bps over 2H22•Expenses1down 3% over the year•Credit quality in good shape Simplification and digital•Completed Westpac app roll-out for consumers•Personal financial management featureslaunched•New security features released•Eliminated 112 fees Up 1%Down 7%

Business –sustainable growth.11Net loans ($bn)Core earnings excluding notable items ($m)1 Excluding notable items. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 3715049562H211H222H22 78.480.984.9Sep-21Mar-22Sep-22Performance•Significantly higher core earnings•Benefit from 157% deposit to loan ratio and higher deposit spreads•Margin 7bps lower on year, up 74bps over 2H22•Expenses1down 12% over the year•Reduction in Fix projectsSimplification and digital•Banker productivity improved –lending settlements increased 52%•Increased use of digital lending application form•Simplified annual reviews•~18,000 next generation merchant terminals•Piloting ‘Tap on Phone’ capability Up 5%Up 90% Up 36% Up 3%

WIB –deepening relationships.12Net loans ($bn)Core earnings excluding notable items ($m) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 67.774.085.2Sep-21Mar-22Sep-22 3534925762H211H222H22Performance•Reset the business model, reduced risk•Loans up 26%, >80% to existing customers•Core earnings much higher, ROE up•Expanding carbon trading desk Up 15%Up 17%Simplification and digital•35,000 hours of manual work saved from process reengineering•New online FX pricing calculator Up 39% Up 9%

NZ –reset in progress.13Net loans (NZ$bn)Core earnings excluding notable items (NZ$m)1 Sustainable finance transactions refers to green, social, sustainability, sustainability-linked and re-linked loans and bonds. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 6796927362H211H222H22 92.694.096.8Sep-21Mar-22Sep-22Up 3%Up 6%Performance•Lending up 5% over the year•Broad based growth•Margin flat on year, up 5bps over 2H22•Leading participant in sustainable transactions1in NZ Simplification and digital•Completed sale of NZ life insurance•Products for sale down 16%•Improved IT system stability•Launched ‘Verify Now’ –secure digital onboarding•Progressing s95 program Up 2% Up 2%

Revised cost target of $8.6bn by FY24.114Expenses, ex Specialist Businesses ($bn) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack1 The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. They have been based upon management's expectations and beliefs concerning futuredevelopments and their potential effect on Westpac. Should one or more of the risks or uncertainties materialise, or should underlying assumptions prove incorrect, actual results may differ materially from those expressed or implied in such statements. Investors should not place undue reliance on forward-looking statements and statements of expectation. Except as required by law, Westpac is not responsible for updating, or obliged to update, any matter arising after the date of this presentation. The information in this page is subject to the information in Westpac’s ASX filings, including in its 2022 Full Year Financial Results and elsewhere in this presentation.2 Inflation expected to fall from current level of around 7.3%, to closer to 3% by FY24. 3 Also excludes any significant risein expenses from uncertain or not fully scoped matters. 4 Includes notable items 10.19.48.61.7 0.311.89.7FY21FY22FY24 Target Notable items Ongoing & Fix Specialist Businesses ($m)4FY21FY22Revenue1,949322Expenses1,4781,047 We are committed to reducing costs by FY24•We revised our FY24 Target as‒Inflation2higher than initially assumed ‒Persistence of some regulatory and compliance costs beyond FY23•Revised target3excludes‒Specialist Businesses segment ‒Acquisitions or notable items

Collaborating for impact Reducing our direct operational emissions Helping customers transition to net-zeroBecoming a net-zero, climate resilient bank.151 Against 2016 baselines. 2Certification is obtained for Westpac’s Australian and New Zealand direct operations under the Australian Government’s Climate Active Carbon Neutral Standard for Organisations and the New Zealand Toitūnet carbonzerocertification respectively. Further information can be found on the Sustainability Performance Reports page on our website.3 Sustainable finance transactions refers to green, social, sustainability, sustainability-linked and re-linked loans and bonds. 4 Based on IJGlobaland Westpac Research data. 5 Taskforce on Nature-related Financial Disclosures. 6 Taskforce on Climate-related Financial Disclosures, Global Reporting Initiative and Sustainability Accounting Standards Board, since 2017.•Participated in the Australian Industry Energy Transitions Initiative•Joined the TNFD5Forum supporting development of a nature-related disclosure framework•Participated in APRA’s Climate Vulnerability Assessment•Reporting based onglobal sustainability frameworks including TCFD, GRI and SASB6•Reduced scope 1 and 2 direct operational emissions by 70% since 20161•Reduced scope 3 supply chain (non-financed) emissions by 29% since 20161•Reached equivalent of 52% of our electricity consumption from renewables•Maintained carbon neutral certification2in Australia since 2012, in NZ since 2019•Joined Net-Zero Banking Alliance (NZBA)•Set interim 2030 financed emissions lending targets for five sectors•Engaging customers on their transition plans, building banker capability•Supported WIB and WNZL customers across 69 sustainable finance transactions3•Largest bank lender to greenfield renewable energy projects in Australia over the past 5 years4 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

5861316064118125FY20FY21FY22 2H 1HFully franked final dividend –64cps.16Dividends per ordinary share (cents)Dividend payout ratio (%) FY21FY22Cash earnings8183Cash earnings (ex notable items)62671 Based on 30 September 2022 closing price of $20.64. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Payment considers Medium term outlook for return and growthSustainable payout ratio range~60 –75%Final dividend yield 6.2%1, fully franked 8.8%1 Shares issued to satisfy DRP Up 6%

Michael RowlandChief Financial Officer

2H22 results summary.1 Excluding notable items. 2 Following the divestment of superannuation and Advance Asset Management expected in 1H23 of approximately 10bps. 3 TCE is total committed exposure.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 18Strong core earnings momentum•Core earnings excluding notable items up 12% on 1H22•Costs1down 2%, FTE 3% lower•Revenue1up 5%, higher margins•Margin ex Treasury & Markets up 10bpsCredit quality in good shape•Stressed exposures to TCE31.07%, down 3bps•Mortgage 90+ day delinquency 0.69%, down 13bps•Provisions to credit risk RWA 1.3% Balance sheet strong•CET1 capital ratio 11.3%, pro forma2 11.4%•LCR and NSFR well above regulatory minimums •Proactive on funding –higher deposits, well timed wholesale issuance

Notable items and simplification impacts.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack1 Contribution of businesses sold in respective period. For detail on the contribution of business under sale agreement and presented as Held for Sale refer to Westpac’s 2022 Full Year Financial Results Announcement Section 5 Note 8. ($m after tax)1H222H22 Remediation and litigation (65)(68) Write -down of assets & accelerated branch closure costs (154)(129) Asset sales / revaluations 213(1,089) Total cash earnings impact (6)(1,286) ($m) FY211H222H22Core earnings5157435Cash earnings3895716 Notable items Contribution of businesses sold1 19 Included in businesses sold FY211H222H22General InsuranceLenders Mortgage InsuranceVendor FinanceMotor Vehicle Finance & Novated LeasingNZ life insuranceAustralian life insurance

2H22 Cash earnings ($m) 2H22 –1H22.1 NCI is non-controlling interests. 3,09563,1015641003,4672,181(117)(57)(124)(1,286)1H22 1H22notable items 1H22 exnotable items Net interestincomeNon-interestincomeExpensesImpairmentchargesTax & NCI 2H22 exnotable items 2H22notable items 2H221 Core earnings up 12%20 $45m reduction from businesses sold Down 30% Up 12% Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

710.8719.610.53.911.2739.6(1.4)(2.1)(0.3)(1.8)Sep-21Mar-22Mortgages- OwneroccupierMortgages- InvestorBusinessInstitutionalNewZealand(in A$)Personal(ex Auto)AutoSep-22Movement in lending ($bn).21 Up $20bn or 3% Up $2.8bn in NZ$ Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackImproved risk profile of the portfolio over last 5 years (Sep-17 to Sep-22)Total Loans (%) 687117161111 4 2 Sep-17 Sep-22 Other consumer Institutional Business Mortgages •More mortgages, less other consumer lending•I/O2mortgages 14% of Australian mortgages (Sep-17 46%)•Owner occupied66% of Australian mortgages (Sep-17 56%)•Sold wholesale dealer and vendor financing books 11 Includes line of credit. Investor mortgages are up $0.8bn under APRA definition in the Monthly Authorised Deposit-taking Institution Statistics. 2 I/O isinterest only

458336 468(17)(12)Mar-22New lending exrefinanceNetrefinanceProperty sale andotherPaydownSep-22 1.1x0.4x1.0x 2H21 1H22 2H22 Australian mortgages –improved growth.22Mortgage lending flows ($bn)Mortgage growth (major bank system multiple2)1 Based on time from application start (for 1stparty) or application submitted (for 3rdparty) to unconditional approval and is the median time for applications approved within the month, this chart represents theexit rate. 2 Comparison to major bank system, adjusted for the acquisition of Citibank by NAB, from APRA Monthly Authorised Deposit-taking Institution Statistics. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 11.79.98.19.67.66.3 Sep-21 Mar-22 Sep-22 Mortgage time to right (days)1 Third partyProprietary Up 2%

1.701.80 0.15 (5bps) 4bps 0.10(9bps)24bps1.850bps2bps(6bps)(5bps)1.901H22LoansCustomerdepositsFundingCapital & otherLiquid assetsTreasury& Markets2H22 Margins up.Net interest margin (% and bps)1 Exit margin refers to margin for the month of Sep-22 excluding Treasury & Markets. 2 Based on residual maturity and FX spot currency translation. Includes all debt issuance with contractual maturity greater than 13 months excluding US Commercial Paper and Yankee Certificates of Deposit. Contractual maturity date for hybrids and callable subordinated instruments is the first scheduled conversion date or call date for the purposes of this disclosure. Perpetual sub-debt has been included in >FY27 maturity bucket. Maturities exclude securitisation amortisation. 3 Term Funding Facility. 4 NZ Funding for Lending Programme.5 Tractor is the blended average rate earned on hedged capital and low rate deposits. Exit margin 1.85%1 Treasury & Markets impact on NIMNIM excl. Treasury & Markets23Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackTerm debt issuance and maturity profile2($bn)Tractor rate5(%, bps) 0%1%2%3%4%5%Sep-19Sep-20Sep-21Sep-22 Tractor 3 year swap rate (spot) •Capital $51bn: 3yr hedge•Deposits $65bn: 4yr hedge 1321422126181201812 2 2 23135433840FY20FY21FY22FY23FY24 IssuanceMaturities Term wholesale funding TFF3 FLP4 Cyclical impact from rate lag effects

Margin drivers –ex Treasury & Markets.24Westpac –2H22 movementIndustry –1H23 considerations1 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackInterest rates•3yr swap rates increased ~150bps Lending (14bps)•Compression from competition, switching and mix (9bps)•Rate lag impact (5bps) Deposits25bps2•At call and term deposit spreads improved•Rate lag impact 4bps Liquidity (6bps) •Increase in liquid assets portfolio•Higher cost of funding liquid assets Hedged balances~5bps•Capital•Deposits TailwindsImpact of higher rates still to fully flow through on depositsHigher earnings on capital and hedged depositsRoll-off of lower spread fixed rate mortgagesHeadwindsDeposit mix impactHighly competitive mortgage environment Wholesale funding costs higher, including from phase-out of CLF 1 This page contains 'forward-looking statements' and statements of expectation. Please refer to the disclaimer on page 138. 2 Excludes impact of hedged deposits.

Non-interest income down 4%.1251 Excludes the impact of notable items and income for businesses sold. Income for businesses sold includes General Insurance,Lenders Mortgage Insurance, Vendor Finance, Motor Vehicle Finance & Novated Leasing, NZ life insurance and Australian life insurance; prior figures have been aligned to current presentation for comparability. 2 Derivative valuation adjustments.•Higher duration cash managed revenue•Lower DVA2as credit spreads widened•Market volatility drove lower customer demand and losses on revaluations and hedges•One-off in 1H22 –General Insurance distribution milestone payment $25m •Higher provisions for credit card customer remediation•Increased scheme fees and reward costs driven by higher spend Net fees12% Wealth15% Trading and other117% Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 3603543712H211H222H22 223373340 39 (34) (59)13975624014143432H211H222H22 Trading DVA Other 312302303232265248172162165971161118138458272H211H222H22 WIB Consumer Buisness Other

2H22 –1H22 expenses ($m). 5,3665,1354525,035390(231)(368)(3)(121)(48)(12)5,425 1H221H22notableitems1H22 exnotableitemsOngoingexpensesCost resetbenefitsInvestmentex FixFixSB exbusinessessoldImpact ofbusinessessold2H22 exnotableitems2H22notableitems2H22Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 26 Down 2% ex notable items Up 1% Mainly increase in wages and variable reward

Credit quality metrics improved.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack1 TCE is total committed exposure.Stressed exposures as a % of TCE1Australian mortgage delinquencies (%)Australian unsecured delinquencies (%) 27 1.210.750.01.02.03.04.0Sep-19Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 30+ day delinquencies 90+ day delinquencies 2.791.60 1.002.253.504.756.00Sep-19Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 30+ day delinquency 90+ day delinquency 0.150.140.170.260.190.140.130.340.390.480.800.680.560.510.560.550.550.850.490.400.431.051.081.201.911.361.101.07Sep-17Sep-18Sep-19Sep-20Sep-21Mar-22Sep-22 Watchlist &substandard90+ day past due and not impairedImpaired

Overlays lower•COVID-19 released•Construction reduced•New mortgage overlay•Some overlays reflected in modelled economic scenarios IAP3lower•Small decrease, mainly institutional CAP2(ex overlays) higher •Portfolio growth •Weaker economic forecasts•Reassessed severity for business portfolio•Downside weight unchanged at 45%•Credit quality metric improvedImpairment provisions –2H22.28Total impairment provisions1($m)1 Excludes provisions for debt securities. 2CAP is Collectively Assessed Provision. 3 IAP is Individually Assessed Provision. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 412832501452943 1,131 989 947 1,578 1,601 1,258 1,685 818 788 791 841 1716471,1367003,9224,9994,6754,625Sep-19Sep-21Mar-22Sep-22 OverlaysStage 3 IAP3Stage 3 CAP2Stage 1 CAP2Stage 2 CAP2 Total CAP: $4,174mTotal CAP: $4,173m

Credit impairment charge / (benefit) composition.Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackIndividually assessed provisions($m).Collectively assessed provisionsTotal 29 14446697123(194)(203)(166)(138)318296218228(640)(777)(10)(17)(372)(218)1391961H212H211H222H221H212H211H222H221H212H211H222H221H212H211H222H221H212H211H222H22New IAPs Write-backs& recoveries Write-offs direct Other movement in CAP

Well provisioned Portfolio quality improved Most customers well prepared•Lower risk in portfolio•Stress lower•Higher serviceability thresholds since 2015•Material rise in property prices over last five years•Mortgages−68% ahead of repayments−Offset balances remain high−Actual losses $2m in 2H22−Only 1% of portfolio with dynamic LVR >90%−Extensive analysis of portfolios•Unemployment at generational lowsChanging credit cycle in perspective.30 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack•Provision balances 18% higher than pre COVID-19 levels•45% weight to downside (5% to upside)•$700m in overlays•Resourcing support teams for higher stress

11.33 73bps 18bps11.29 (45bps) (38bps)(12bps)Mar-22CashearningsDividendRWAOtherDivest-mentsSep-22Capital within operating range.31CET1 Capital (%, bps)IRRBB RWA ($bn)CET1 capital ratio operating range of 11.0 –11.5% from 1 January 2023.1 This page contains 'forward-looking statements' and statements of expectation. Please refer to the disclaimer on page 138. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack (4)8192114162017 2 3 4 511284343 Sep-21 Mar-22 Jun-22 Sep-22 Optionality andbasis risk Repricing andyield curve risk Embeddedloss/(gain) Other capital considerationsPlatforms sale•Work continues on a potential sale Tyro Payments (potential acquisition)•18 Oct 2022 –announced preliminary discussions on potential 100% acquisition•Discussions continue•No certainty on any transactionBasel III revisions1•Finalisation expected to add to CET1 capital ratio –from 1 Jan 2023

1H23 Considerations.1321 The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. They have been based upon management's expectations and beliefs concerning futuredevelopments and their potential effect on Westpac. Should one or more of the risks or uncertainties materialise, or should underlying assumptions prove incorrect, actual results may differ materially from those expressed or implied in such statements. Investors should not place undue reliance on forward-looking statements and statements of expectation. Except as required by law, Westpac is not responsible for updating, or obliged to update, any matter arising after the date of this presentation. The information in this page is subject to the information in Westpac’s ASX filings, including in its 2022 Full Year Financial Results and elsewhere in this presentation.2 Exit margin is net interest margin excluding Treasury and Markets for the month of September 2022. 3 Subject to exclusions and assumptions outlined on page 14. Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackReporting simplification•Stop reporting cash earnings –statutory profit only•Changing the way we manage hedges to reduce the impact of fair value adjustments•Will continue to disclose large and infrequent items Net interest income•System credit growth expected to slow –targeting growth around major bank system•Exit margin2excl. Tsy & Markets for Sept 2022 ~1.85%•Headwinds on margin with pressure from competition and higher wholesale funding costs Non-interest income•Full period impact of business exits (FY22 impact $135m)•Markets income difficult to predict Expenses•1H23 costs (ex notable items) expected to be 0% –2% lower•Regulatory/compliance costs expected to remain elevated•FY24 cost target revised to $8.6bn3 Credit quality•Expect some deterioration in creditmetrics•Well provisioned and positioned for changing environment

Peter KingChief Executive Officer

FY23 –Solid outlook, some uncertainty.1 Forecasts from Westpac Economics. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 34 Australian economic forecasts1Dec-22Dec-23Cash rate3.10%3.85%GDP3.4%1.0%Terms of trade4.6%(11.0%)Unemployment rate3.3%4.5%Inflation7.9%4.1%Credit growth 8.4%2.7%Housing price forecasts from Apr-22 peak(8%)(16%)Unemployment to return to historic levelsCredit growth expected to easeHousing prices likely to decline furtherEffects will be uneven Most customers well prepared

FY22 Steady progress.35Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Well advanced on Fix and Simplify strategic priorities Core earnings growth across all banking segments in 2H22 Strong balance sheet heading into more challenging outlook Positioning Westpac for the future Solid Financial Performance

InvestorDiscussion PackFix. Simplify. Perform.

Overview

Our brands Westpac Group at a glance.38Key statistics at 30 September 2022Key financial data for FY22 Reported net profit after tax$5,694mCash earnings$5,276mExpense to income ratio756.8%Common equity Tier 1 capital ratio (APRA basis)11.3%Return on equity77.5%Total assets$1,014bnTotal liabilities$944bnMarket capitalisation8$72bn1 30 Sep 2022 Source: S&P Capital IQ, based in US$. 2 S&P Global Ratings, Moody’s Investors Service and Fitch Ratings respectively. All three credit rating agencies have Westpac Banking Corporation on a stable outlook. 3 Customer numbers related to businesses sold, held for sale or in run-off at 30 Sep 2022 have been excluded. 4 APRA Banking Statistics, September 2022. 5 RBA Financial Aggregates, September 2022. 6 RBNZ, September 2022. 7 Cash earnings basis. 8 Based on share price at 30 Sep 2022 of $20.64.Overview Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Customers312.7mAustralian household deposit market share420%Australian mortgage market share521%Australian business credit market share515%New Zealand deposit market share618%New Zealand consumer lending market share618% •Australia’s first bank and oldest company founded in 1817•Repositioning business portfolio to focus on banking•Australia’s 3rd largest bank and 37th largest bank in the world, ranked by market capitalisation1•Strong market share in key products•Capital ratios are in the top quartile globally•Credit ratings2AA-/ Aa3 / A+•Joined the Net-Zero Banking Alliance and supporting the transition to a net-zero economy by 2050

3,09563,1015641003,467(117)(57)(124)(1,286)2,181 1H22Add backnotableitems1H22 exnotableitemsNet interestincomeNon-interestincomeExpensesImpairmentchargesTax & NCI2H22 exnotableitemsNotableitems2H222H22 cash earnings.39 1H22 ($m)2H22($m)Change 2H22 –1H22 (%)Net interest income8,0288,5777Non-interest income1,931465(76)Expenses(5,366)(5,425)1Core earnings4,5933,617(21)Impairment benefit/(charge)(139)(196)41Tax and non-controlling interests (NCI)(1,359)(1,240)(9)Cash earnings3,0952,181(30)Add back notable items (after tax)61,286LargeCashearnings ex notable items3,1013,46712Reported net profit3,2802,414(26)ResultsCash earnings 2H22 –1H22 ($m) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack NIM1excluding Treasury and Markets up 10bps from higher deposit spreads offsetting lower lending spreads, AIEA2up 3% from lending and increasedliquid assets Lower income following the sale of businesses, lower markets trading income Exiting businesses, simplification benefits and completion of some Fix programs, average FTE3down 5% Down 30%1 Net interest margin (NIM). 2 Average interest-earning assets (AIEA). 3 Full time equivalent (FTE). Predominantly due to the loss on the completion of the sale of Australian life insurance Up 12% ex notable items

19 5,352 1,601 6,953 766 273 6,568 5,276 (518)(925)(1,292)FY21 Add backnotable items FY21 exnotable items Net interestincomeNon-interestincomeExpensesImpairmentchargesTax & NCI FY22 exnotable items NotableitemsFY22 FY22 cash earnings.40 FY21 ($m)FY22($m)Change FY22 –FY21 (%)Net interest income16,71416,605(1)Non-interest income4,3242,396(45)Expenses(13,283)(10,791)(19)Core earnings7,7558,2106Impairment benefit/(charge)590(335)LargeTax and non-controlling interests (NCI)(2,993)(2,599)(13)Cash earnings5,3525,276(1)Add back notable items (after tax)1,6011,292(19)Cashearnings ex notable items6,9536,568(6)Reported net profit5,4585,6944ResultsCash earnings FY22 –FY21 ($m) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Loss of income from businesses sold, lower markets trading income, partly offset by higher fee income Costs down 7% due to benefits of simplification, completion of some Fix initiatives, businesses sold and lower amortisation, average FTE down 5% Down 1% Down 6% ex notable items 8% AIEA growth mostly from liquid assets. Average loans up 4%. NIM down 15bps due to lending competition and higher liquid assets Moved from impairment benefit in FY21 to an impairment charge in FY22, impairment charge/gross loans at 5 bps

FY22 financial snapshot.1 All measures are on a cash earnings basis. 2 Internationally comparable methodology aligns with the APRA study titled ‘International Capital Comparison Study’ dated 13 July 2015. 3 NSFR is reported on a spot basis. 4 LCR is reported on a quarterly average basis. 5 Total liquid assets represent cash, interbank deposits and assets eligible for existing repurchase agreements with a central bank in limited circumstance. 41Results FY22Change FY22 –FY21Change 2H22 –1H22 Earnings 1 Earnings per share (cents)148.01%(27%)Core earnings ($m)8,2106%(21%)Cash earnings ($m)5,276(1%)(30%)Return on equity(%)7.50(5bps)(247bps)Dividend (cents per share)1256%5%Expense to income ratio(%)56.79LargeLargeNet interest margin(%)1.87(17bps)5bps Credit quality Impairment charge to averagegross loans (bps)513bps1bpImpaired assets to gross loans (bps)20(10bps)(3bps)Impaired provisions to impaired assets (%)48.0(6ppts)FlatTotal provisions to credit RWA (bps)128(12bps)(2bps)Collectively assessed provisions to credit RWA (bps)116(1bps)Flat FY22Change FY22 –FY21Change 2H22 –1H22Balance sheetTotal assets ($bn)1,0148%5%Common equity Tier 1 (CET1) capital ratio (APRA basis) (%)11.29(103bps)(4bps)CET1 capital ratio (Internationally comparable2) (%)17.57(60bps)21bpsCET1 capital ($m)53,943Flat3%Risk weighted assets (RWA) ($bn)4789%4%Average interest-earning assets ($bn)8878%3%Loans ($bn)7404%3%Customer deposits($bn)6136%2%Net tangible assets per share ($)17.22%FlatFunding and liquidityCustomer deposit to loan ratio (%)82.9121bps(65bps)Net stable funding ratio3(%) (NSFR)121(4ppts)(4ppts)Liquidity coverage ratio4(%) (LCR)1323ppts(5ppts)Total liquid assets5 ($bn)25813%6% Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

Cash earnings and reported net profit reconciliation.42Reported net profit and cash earnings ($bn)Cash earnings1policy•Westpac uses a measure of performance referred to as cash earnings to assess financial performance at both a Group and segment level•To calculate cash earnings, reported net profit is adjusted for:−Material items that key decision makers at Westpac believe do not reflect our operating performance−Items that are not normally considered when dividends are recommended, such as the impact of economic hedges−Accounting reclassifications between individual line items that do not impact reported results•Westpac will no longer be reporting on a cash earnings basis from 1 October 2022. Details on the implication of these changes will be announced before the 1H23 resultReported net profit and cash earnings adjustments ($m)1 Cash earnings is not a measure of cash flow or net profit determined on a cash accounting basis, as it includes non-cash itemsreflected in net profit determined in accordance with AAS (Australian Accounting Standards). The specific adjustments outlined include both cash and non-cash items. Cash earnings is reported net profit adjusted for material items to ensure they appropriately reflect profits available to ordinary shareholders. All adjustments shown are after tax. For further details refer to page 125.Results FY22($m)Change FY22 –FY21(%)Change 2H22 –1H22(%)Cash earnings5,276(1)(30)Cash EPS (cents)148.01(27)Reported net profit5,6944(26)Reported EPS (cents)159.97(24) FY21FY22Reported net profit5,4585,694Fair value (gain)/loss on economic hedges(138)(470)Ineffective hedges3252Cash earnings5,3525,276 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 8.16.82.35.55.78.16.82.65.45.3FY18FY19FY20FY21FY22 Reported profit Cash earnings

10.2%10.5%11.0%11.0%5.4%5.2%5.3%5.3%15.6%15.7%16.4%16.3%1H212H211H222H22 Westpac St.George brandsCustomer franchise.MFI share1,2 -0.13.51.15.46.3Feb-20Aug-20Feb-21Aug-21Feb-22Aug-22 Westpac St.George brands Peers43Customer satisfaction (CSAT)2Net Promoter Score (NPS)21 Main Financial Institution for Consumer customers. Data at August 2022. 2 Refer page 136 for details of the metric provider. 3Customer numbers related to businesses sold, held for sale or in run-off at September 2022 have been excluded from all periods. 4 Other includes WIB, Westpac Pacific and Platforms customers.Customer franchise Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack BusinessConsumer -11.47.1-22.9-3.6-8.3Feb-20Aug-20Feb-21Aug-21Feb-22Aug-22 Westpac St.George brands Peers 11.0%5.3%14.4%29.0%11.7%16.3%Peer 1Peer 2Peer 3 Westpac Group Westpac St.George brands Peers 7.57.67.4 7.6 Feb-20Aug-20Feb-21Aug-21Feb-22Aug-22 Westpac St.George brands Peers 7.37.76.87.47.3Feb-20Aug-20Feb-21Aug-21Feb-22Aug-22 Westpac St.George brands PeersCharts may not add due to roundingCustomer numbers3(#m) 10.310.310.310.41.31.31.31.31.21.11.01.012.812.712.612.7Sep-20Sep-21Mar-22Sep-22 Australian banking New Zealand Other4New Zealand 731162332Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 Westpac Peers 62 65 66 70 Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 Westpac Peers

More digital 12.512.911.711.111.5 2H20 1H21 2H21 1H22 2H22 1,3991,3521,2701,1531,071Sep-20Mar-21Sep-21Mar-22Sep-22 4.33.93.83.33.4 2H20 1H21 2H21 1H22 2H22 931891851781732Sep-20Mar-21Sep-21Mar-22Sep-22Continued migration to digital.44Australian ATMs (#)Australian branches (#)1Call Centre Volume (#m)1 Includes all points of presence including Advisory, Community Banking Centres and Kiosks. Kiosks have been restated in comparatives. Co-located branches refer to a single branch location where more than one brand operates. Each co-located branch is considered two points of presence. 2 Over the counter. 3 Refer to page 136 for definition. 4 Digital transactions include all payment transactions (transfer funds, Pay Anyone and BPAY) within Westpac Live and Compass, excluding. Corporate Online and Business Banking online. Branch OTC2transactions (#m) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Down 2% Up 3% Up 3%% Down 12%Customer franchise Less physical At 30 September 2022we had 27 co-located branches Down 7% Down 16% Down 14% Down 6%Digitally active customers3(#m)Accounts with eStatementsDigital transactions3,4(#m) 11.211.912.312.713.55558606264Sep-20Mar-21Sep-21Mar-22Sep-22 Number (#m) eStatements (%) 2772983163343562H201H212H211H222H22Digital Sales3–Consumer Up 7% Up 13% 5.09 5.15 5.24 5.31 5.48 Sep-20Mar-21Sep-21Mar-22Sep-22 Up 5% 0.330.300.320.320.3742414545432H201H212H211H222H22 Sales (#m) Sales (%) Up 17% Up 15% Increase in branchvolumedue to re-opening after COVID-19 restrictions Up 6% Up 10% Up 3%

Personal Financial Management Westpac app functionalities Digital MortgageInvesting in the Westpac digital experience.•Market leading user experience and best in class search and navigation features1•Enhanced self serve capabilities•New app for business customers with tailored features−Business Hub centralises business functions where users can approve payments and view transactions −Simplified payment and authorisation processes allowing users to check, review and authorise payments•Improved, <2 second log-on speed•38% increase in mobile only active customers since iOS launch2•39 average monthly app sessions per customer in Sep-2245•Launched capability to provide unconditional home loan approval for selected refinance customers•Capabilities include−Automated valuation and title search−Electronic verification of identity−Auto-verification of income using transactional data−Simplified required customer financials and auto verification−Automated full approval decision•Expansion of capabilityto continue inFY23 –including making available for more customers and loan types•Launched embedded personal financial management features in the Westpac app•Over 720,000 users interacted with this feature since launch in Sep-22•Provides customers with greater insight into their spending based on transaction account data and tools to enable customer to track their spending•Key functions, helping customers manage their finances, include −Transaction categorisation−Cashflow analysis−Spending insights•Further features to be launched inFY231 Forrester Research: Digital Experience Review™–Australian Mobile Banking Apps, Q3 2022. 2 iOS launch in Feb-21.Customer franchiseWestpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

Safety and security EFTPOS Now EFTPOS Air Investing in the Westpac digital experience.46Customer franchiseNext generation smart terminals•Improved experience for merchants and their customers with −Portability for ease of use −Digital receipts features to support accessibility−Android-based operating system offering integrated apps to support industries, such as retail and hospitality•Currently in pilot with new applications, LitePOS(point of sale), cloud-based POS integration app (MX51) and customer loyalty •Rolled-out 18,000 new terminals (EFTPOS Now and Connect)•Launching EFTPOS Air, ‘Tap on Phone’ technology, turning a NFC-enabled Android phone into a payment terminal via an app –no additional hardware required •A fast, simple, and cost-effective method of accepting in-person payments for small businesses−Flat fee structure, no lock in contract −Simple set up –approved online and begin taking payments via the app −Email receipts and invoices −Live sales analytics and reporting −Same day business settlement•Expanding availability across small business customers from Jan-23•Dynamic CVC used by ~13,000 customers per day, reduces card fraud by 80% versus cards with static CVC•Biometric fraud detection being used, resulting in better customer experience and less identity theft•Real-time blocking of potentially questionable online merchants, ~$58m for 204,000 customers blocked since Jan-22•Progressively rolling-out advanced customer behavioural tool to help combat remote access scams Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

•Significant increase in our cyber investment and capability since 2014•Common cyber threats drive increasing threat volumes•Participate in and support 12 cyber information sharing communities including with governments and industry participants•Monthly investigation of >1,800 alerts or suspicious events•Blocked ~ 1.4m malicious or spam emails per month•Blocked >700k attack attempts on our internet-facing applications in Aug-22•Responded to and removed >800 phishing sites impersonatingWestpac this yearOur cyber security protection.47Customer franchise Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack EmployeesWe have controlsaround who we hire; how their access is granted; and monitoringof system use CustomersDedicated controls that seek to protect customers from fraud, including multi-factor authentication Suppliers Subject to security reviews, limited access to our systems and data, and continual performance monitoring Core securityCore security capabilities across all systems, e.g. malware prevention, firewalls, email security System securityIntegrated approach to security of our systems, e.g. design reviews, patching and secure development Monitoring, intelligence and networks24/7 monitoring for indications of attacks and control weaknesses. Threat detection supported by cyber threat intelligence and information sharing partnerships Our cybersecurity controls Monitoring, intelligence and networksSystem SecurityData Customers Core Security

Customer Outcomes and Risk Excellence (CORE) Program.48•CORE program in place to address enforceable undertaking with APRA signed December 2020 •Aims to strengthenrisk governance, improveaccountability and enhancerisk culture •Board, CEO andExecutive accountability •Quarterly independent assurance by Promontory Australia•350 activities across 19 workstreamsCORE activities progress11 At 30 September 2022. Completed activities finalised by Westpac. Activities may still be subject to Promontory Australia review. CORE Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack202120222023 MarJunSepDecMarJunSepDecMarJunSepDec~95% of Implementactivities targeted to be complete100% of Embedactivities targeted to be complete Mar-22DesignSep-21 Sep-22ImplementEmbed 32%9%6%87%63%40%100%99%76%

CORE program: Measuring progress towards five target states.49CORE Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 1We are a well-run business where risk is actively managed 1A simplified organisational construct with clear accountabilities 2Three lines of defence is understood and embedded 3Our people understand risks and proactively manage them 4We’re known for execution excellence and getting it done 5 233116Sep-20Sep-22 10.8%10.2%Sep-20Sep-22Key employee survey results (% score out of 100) 69%76%Sep-20Sep-22 89%93%Sep-20Sep-22 2.644.38Sep-20Sep-22Issues raised by first line risk management (Not 2nd or 3rd lines) (%) 67%74%Sep-20Sep-22High-rated issues (No. of open issues)Improved data quality management(Rating out of 5) “Clear in how expected to manage risks”“People constructively challenge…”Key controls requiring improvement (%)

Collaborating for impact Helping when it matters most Backing a stronger Australia and NZOur commitment to sustainability.50FY22 progress.Note: See footnotes on page 132.Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack •Joined Net-Zero Banking Alliance (NZBA)andset five 2030 financed emissionssector targets•Member of TNFD5 Forum and initiated analysis to identify sectors that are highly dependent on nature or that have a high impact on nature•Safer Children, Safer Communities program –over$20 million committedin funding to over 50 child safeguarding organisations since commencement of the program ($18.7m paid since 2021) and support for International Justice Mission (IJM) in the Philippines tohelprescue 174 victimsofexploitation6•Released our fifth Reconciliation Action Plan (RAP):−Recognised by Reconciliation Australia at the highest Elevate level−RAP leadership project on Free, Prior and Informed Consent (FPIC) to improve our capability in this area and to use our voice to raise awareness•Supported1,600+ customersimpacted by floods in NSW and QLDwith a natural disaster relief package•Protecting vulnerable customers−61,000+ gambling blocks applied to customer credit and debit cards−48,000+ transactions blocked containing abusive messages−42,000+ customers assistedby our specialist vulnerability teams•Making banking more accessible: awarded first place by the Australian Network on Disability on their Access & Inclusion Top Performers 2021-2022 list•Financial education resources accessed by210,000+ customersthrough Davidson Institute•Assisted 10,000+ Indigenous and remote Australians since 2019 through our Indigenous Connections call centre•Over $3.8 billionin new lending1to climate change solutions2since 2020•Westpac Scholars Trust3awarded100 new scholarshipswith 640+ active scholars supported since 20154 Introduced a new climate-focused funding priority for selecting scholars•Introduced a loan for hybrid and electric cars•$20.7m spent with diverse suppliers, including $8.8m with Indigenous-owned businesses

Our plan to become a net-zero, climate resilient bank.51Note: See footnotes on page 132.The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackProgress•JoinedNZBAin July 2022•Set interim 2030 financed emissions targets for five sectors in our lending portfolio, in accordance with our NZBA commitmentUpdated Climate Change Position Statement and Action Plan (Climate Action Plan)Net-zero, climate resilient operations•Agreements in place to source the equivalent of 100% of our Australian electricity consumption from renewable energy sources1by 2025, and planning underway to achieve this same milestone for our international footprint by 2025•Continue to maintain carbon neutral certification2for our Australian and New Zealand direct operations•Continue to support employee and supply chain emissions reductions01Supporting customers’ transition to net-zero and to build their climate resilience•Engaging with customers and supporting them in their transition•Become transition partner of choice•Commencing engagement with agribusinesses on climate change impacts on farm productivity and the role of adaptation measures to improve climate resilience02Collaborate for impact on initiatives towards net-zero and climate resilience•Work with governments, industry organisations and/or community partners to improve outcomes to transition to net-zero and build climate resilience•Participated in the Australian Industry Energy Transitions Initiative (AIETI)•Founding member of the Australian Sustainable Finance Institute (ASFI)03

Net-zero, climate resilient operations.52SustainabilityWestpac Group 2022 Full Year Results Presentation & Investor Discussion PackProgress Targets Maintained carbon neutral certification2Maintain carbon neutral certificationSource equivalent of 100% of global electricity consumption from renewable sources by 202552% in 20223 Updated target baselines and Scope 3 supply chain ambition –we will report on these new targets from FY23•Scope 1 and 2 direct operational absolute emissions reduction target updated to 64% by 2025 and 76% by 2030, relative to a 2021 baseline6•Scope 3 supply chain (non-financed) absolute emissions reduction target updated to 50% by 2030, relative to a 2021 baseline7 Westpac Group Operational GHG4Emissions5(tCO2-e) -50100150200250 2016 Baseline 201720182019202020212022 2030 Target Scope 1 and 2 GHGemissions Scope 3 supply chain(non-financed) GHGemissions Before carbon offsetsThousands70% reduction since 2016 Reduce Scope 1 and 2 GHG emissions by 85% by 2025 and 90% by 2030 against 2016 29% reduction in 202229% reduction since 2016 Reduce Scope 3 supply chain GHG emissions1by 35% by 2030 against 2016 12% reduction in 2022Note: See footnotes on page 132. The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.

FY22 highlights Investing in the opportunitySupporting customers’ transition to net-zero.53Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack •Largest bank lender to greenfield renewable energy projects in Australia over the past five years1•Achieved over $1.9 billion in new lending2to climate change solutions3•Continued to discuss climate change with WIB customers as a regular part of our engagement, particularly in sectors that have high emissions or significant transition risk•Supported WIB and Westpac New Zealand (WNZL) customers across 69 Sustainable Finance transactions with a total volume of $108 billion4•WNZL supported nine customers with Sustainability-Linked Loans –Sustainability Coordinator5for seven and the Sole Sustainability Coordinator or Green Bond Advisor on all four inaugural Green and Sustainability Bond issuancesBuilding banker capability•~3,000 employees completed ESG fundamentals training•1,100+ employees completed half-day training in partnership with Monash University and ClimateWorksMobilising sustainable finance •Finance for low carbon transition and new scalable technologies•First sustainability-linked loan in manufacturing sector inAustralia6Extending our product suite•Introduced a loan for hybrid and electric cars•Partnered with fintech Cogo to help customers track carbon footprint7•WNZL piloted new Sustainable Agribusiness Loan8; expanded loan offerings to enable customers to make their homes warmer, drier and/or more energy efficient•Expanded Carbon Trading Desk capability in Australia9Note: See footnotes on page 132. The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.

Targets set for five sectors in our lending portfolio.SustainabilityWestpac Group 2022 Full Year Results Presentation & Investor Discussion Pack54Sector FY21 Baseline 2030 Financed Emissions Reduction Target1 23% reduction in Scope 1, 2 and 3 absolute financed emissions by 2030(relative to 2021 baseline) We have updated our upstream oil and gas position to support this target Our position provides•We will only consider directly financing greenfield oil and gas projects that are in accordance with the IEA NZE scenario3or where necessary for national energy security4•We will continue to provide corporate lending where the customer has a credible transition plan5in place by 2025•We will work with customers to support their development of credible transition plans prior to 2025Extractives –Upstream oil and gas27.5 MtCO2-e(absolute financed emissions) Extractives –Thermal coal mining6$216.7m (TCE at 30 Sep 2021)Zero lending exposure to companies with >5% of their revenue coming directly from thermal coal mining by 2030 Australian commercial real estate (large customers with office properties)9Baseline and progress to be disclosed in FY2362% reduction in Scope 1 and 2 emissions10intensity (kgCO2-e/m2net lettable area) by 2030 (relative to a 2021 baseline) for Australian large customers with office properties Power generation70.26tCO2-e/MWh(emissions intensity)0.10tCO2-e/MWh for Scope 1 and 2 emissions intensity by 2030Sector targets in line with our NZBA commitment.Industrials –Cement production80.66tCO2-e/tonne cement(emissions intensity)0.57tCO2-e/tonne of cement for Scope 1 and 2 emissions intensity by 2030 Note: See footnotes on page 133. The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation. For details on our targets and target-setting approach refer to our ‘Net-Zero 2030 Targets and Financed Emissions –our methodology and approach’. We continue to integrate and operationalise our targets into our processes and lending decisions.

0.0520.0070.0180.0230.0360.0750.1760.3130.4442.103Total PortfolioResidential mortgagesProperty (excluding secured CREand Residential mortgages)Secured commercial real estate(CRE)Other (non-emissions intensivesectors) 2Transport and storageAgricultureUtilitiesManufacturingMiningUnderstanding our financed emissions.Note: See footnotes on page 133. The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.Westpac’s estimated financed emissions1intensity (FY22; kgCO2-e per $ for in-scope exposures)Westpac’s estimated financed absolute emissions1(% of FY22 total absolute emissions for in-scope exposures) Mining32%Manufacturing22%Other (non-emissions intensive sectors)212%Agriculture10%Utilities9%Residential mortgages8%Secured commercial real estate (CRE)3% Transport and storage3% Property (excluding secured CRE and Residential mortgages)1%SustainabilityWestpac Group 2022 Full Year Results Presentation & Investor Discussion Pack55 100%Includes Australian commercial real estate (large customers with office properties) Includes Power generation Includes Cement productionIncludes Upstream oil and gas and Thermal coal mining Our approach to reporting our estimated financed emissions. Refer to our ‘Net-Zero 2030 Targets and Financed Emissions –our methodology and approach’ disclosure on our website for more information on our financed emissions analysis, including data sources, assumptions and limitations. 2 Mining Manufacturing Utilities Agriculture Transport and storage Other (non-emissions intensive sectors)2 Secured commercial real estate (CRE) Property (excluding secured CRE and Residential mortgages) Residential mortgages

Climate-related metrics.TCE exposure to customers in the Energy Sector Value Chain ($bn)1.Sustainability Mining and extraction Electricitygeneration6 Transport Oil and gas refining Distributionand retail Update on variance between FY21 and FY22 •The energy sector is critical in the transition to a 1.5°C-aligned net-zero emissions economy and we have a role in supporting this change. Customers and transactions in these sectors are assessed using Westpac’s ESG Credit Risk Policy, which includes our Climate Action Plan commitments•This year, movements in customer exposures have partly been due to commodity prices and exchange rate movements, particularly where exposures are mostly in US$, such as the Oil and Gas sector•In future, we aim to modify our reporting of Energy Sector Value Chain exposure to align with reporting progress against our 2030 sector targetsNote: See footnotes on page 133. The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack56 For more information, refer to our2022 Sustainability Index and Datasheet and ‘Net-Zero 2030 Targets and Financed Emissions –our methodology and approach’ disclosures. Apart from Thermal coal in FY22, definitions used for sectors in the Energy Sector Value Chain currently differ from those used for our 2030 sector targets and financed emissions reporting. FY22FY21FY20Oil and gas extraction21.871.842.22Oil and gas exploration20.000.330.56Metallurgical coal0.130.290.21Metallurgical coal in diversified miners30.150.020.03Thermal coal40.200.220.30 FY22FY21FY20CoalRail0.790.300.28Port0.350.320.44LNG terminal50.690.520.57 FY22FY21FY20Gas0.540.580.67Black coal0.180.190.27Brown coal0.050.030.03Liquid fuel0.060.120.12Hydro0.981.261.30Other renewables2.352.231.89 FY22FY21FY20 Oil and gas refining 0.640.582.02 FY22FY21FY20 Oil and gas 2.582.101.32 Electricity and gas networks 63.483.804.53 Electricity and gas retailers 60.971.010.77

Physical and transition risk metrics.57Potential physical risk1exposure in our Australian mortgage portfolio2(%)Potential transition risk exposure to 2030 and 2050 in our Australian business and institutional lending portfolio3(%)Analysis suggests that overall potential risk exposures are likely to be low.Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 3.4%Current 3.6%2050 3.4%Current 4.1%2050 0.9%2030 2.2%2050 0.6%2030 1.7%2050 We used Intergovernmental Panel on Climate Change (IPCC) Representative Concentration Pathways (RCP) scenarios for the analysisRCP2.6represents a lower warming scenario indicative of 2°C warming by 2100RCP8.5represents a higher warming scenario indicative of 4°C warming by 2100 We analysed scenarios of how the Australian economy and major industry sectors might perform when constrained in line with transition pathways1.5°C represents a rapid decarbonisation scenario2°C represents a decarbonisation scenario% represents proportion of our Australian mortgage portfolio that may be at risk under these climate change scenarios2% represents proportion of our lending portfolio that may be at risk under these climate change scenarios3 RCP 2.6 RCP 8.5 1.5°C 2°CNote: See footnotes on page 133. The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.

Comprehensive sustainability reporting.A suite of disclosures for more information and depth.SustainabilityAvailable at westpac.com.au/sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 58

Gender Equality Diversity, Equity & Inclusion Indigenous RepresentationStrengthening diversity and inclusion.59Building a workforce that reflects the diversity of our customers.1 Women in Leadership refers to women in leadership roles across the Group. It includes the CEO, Group Executives, General Managers, senior leaders with significant influence on business outcomes (direct reports to General Managers and their direct reports), large (3+) team people leaders three levels below General Manager, and Bank and Assistant Bank Managers. 2 40% women, 40% men and 20% of any gender. Westpac Board includes CEO. Executive Team excludes CEO. 3 Reconciliation Action Plan.Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackBuilding a workforce where our people feel valued, respected and safe•Group-wide inclusion and diversity survey –35% employees participated with 74% employees reporting high levels of inclusivity in the workplace•Cultural diversity leadership shadowing program delivered with 150 mentoring matches•#1 Employer for accessibility in Australian Network on Disability’s Access & Inclusion Index•GLOBAL LGBTIQA+ Ally programlaunchand renewed partnership with Out For Australia •Defence Reserves Leave policy includes leave for domestic emergencies and natural disasters•10,000+ membersin 10 Employee Action GroupsFocusing on Meaningful Careers•Third Elevate RAP3released June 2022 (fifth RAP in total) –one of four focus areas is Meaningful Careers •Indigenous Senior Leader appointments –Director Indigenous Engagement & Strategy to lead implementation of the RAP and National Manager Indigenous Banking focused on our offering to Indigenous customers•43 internship and 72 traineeship placements ofAboriginal and Torres Strait Islander people in FY22•Aiming to increase % representation of employees who self identify asAboriginal and Torres Strait Islander. Target of 1.5% by September2025Development and mentoring initiatives:•Nearly 1,000 Jawun Professional secondments since 2001•Echo Mentoring supporting Indigenous employees Targets•Maintained 50% Women in Leadership1for6 consecutive years •In FY23, reporting will focus on women in Senior Leadership which includes the Executive Team, General Managers and their direct reports (excluding administrative or support roles)FY22 progress:Parental policy–increased paid parental leave to 16 weeks and introduced special paid leave and support for pregnancy lossGender equity –reviewed pay equity and improved pay transparency % FemalesSep-22TargetTarget metWestpac Board4040:40:202

Earnings drivers

Composition and movement in lending.61Movement in gross loans ($bn) 7157249411744(2)(2) Sep-21 Mar-22 Consumer Business WIB New Zealand Other Sep-22 Composition of loans1(% of total) 631211284<1 Australian mortgages Australian business Institutional Australian other consumer New Zealand mortgages New Zealand business/others Other overseasAustralian lending (CBB, $bn) 11544550560563(47)(7)Sep-21Mar-22 New lending: mortgages Repayment: mortgages New lending: business loans Repayment: business loans Net consumer finance Sep-22Australian mortgage lending4($bn) 45645821467(12)Sep-21Mar-22 Fixed mortgages Variable mortgages Sep-22Institutional onshore lending movements ($bn) 636964180Sep-21Mar-22 Net financing flow Net structured finance flow OtherSep-221 Gross loans. 2 In A$. The large difference between the NZ$ and A$ movement is due to a ~6% change in the exchange rate overthe period; September 2022: 1.1354, March 2022: 1.0759. 3 Includes Group Businesses and Specialist Businesses, for gross loans excluding businesses sold and from run-off. 4 Includes business mortgages.Revenue Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Up NZ$2.8bn Up 4% Up 3%23$744bn Up 3% Up 2% Up 26% Up 16% Up 3% Up 2%Charts may not add due to rounding.

Composition and movement in deposits.62Composition of deposits (% of total) 552619 Households Businesses InstitutionalCustomer deposits ($bn) 142134137162191207217199217240247252550580601613Mar-21Sep-21Mar-22Sep-22 Term deposits Savings TransactionCustomer deposit movements ($bn) 5806012541613(18)Sep-21Mar-22 Term deposits Savings Transaction Offset accounts Sep-22Customer deposits ($bn) 5806014121613(1)(4)Sep-21Mar-22 Consumer Business WIB New Zealand OtherSep-221 In A$. The large difference between the NZ$ and A$ movement is due to a ~6% change in the exchange rate over the period; September 2022: 1.1354, March 2022: 1.0759. 2 Includes Group Businesses and Specialist Businesses. Revenue Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack12 Down NZ$0.5bn Up 9% Up 4% Up 9% Up 4%$613bnCharts may not add due to rounding.

Net interest margin.Net interest margin (% and bps)Australian mortgage new lending (%)Australian deposits1by interest rate bands ($bn)Wholesale funding credit spreads2(bps)1 Excludes mortgage offset balances. 2 Wholesale funding credit spreads reflect a blend of A$ and US$ 5-year FRN. RevenueWestpac Group 2022 Full Year Results Presentation & Investor Discussion Pack63 Treasury & Markets impact on NIMNIM excl. Treasury & Markets 1302060100140180Sep 20Mar 21Sep 21Mar 22 Sep 22 8070634861892030375239111H202H201H212H211H222H22 Variable Fixed 1.701.80 0.15 (5bps) 4bps 0.10(9bps)24bps1.85(14bps)28bps0bps2bps(6bps)(5bps)1.901H22LoansCustomerdepositsFundingCapital & otherLiquid assetsTreasury& Markets2H22 Cyclical impact from rate lag effects Exit margin 1.85% 0100200300400 Mar-22 Sep-22≤25bps26≤50bps51≤75bps76bps+

302 312 302 303 220 232 265 248 172 172 162 165 109971161108038138458271H212H211H222H22 WIB Consumer Business Other 399 223 373 340 5439(34)(59)18 139 75 62 4714014143431H212H211H222H22 3783603543711H212H211H222H22Non-interest income.164Non-interest income by segment ($m)Non-interest income by type ($m) Net fee income ($m)Wealth management ($m)Trading and other ($m)Revenue Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Up 2% Down 4% Up 3% Down 17% TradingDVAOther Down 2% Up 4% Up 5% Down 2% Up 2% Down 4%1 Excluding notable items and businesses sold. Income for businesses sold includes General Insurance, Lenders Mortgage Insurance, Motor Vehicle Finance & Novated Leasing, Vendor Finance, NZ life insurance and Australian life insurance; prior figures have been aligned to current presentation for comparability. 803 813 845 827 378 360 354 371 453 262 339 281 18 139 75 621,6521,5741,6131,5411H212H211H222H22 Fees Wealth management Trading Other 687 626 588 551 258 263 324 288 174 174 163 166 3853483793731451311231283 32 36 35 1,6521,5741,6131,5411H212H211H222H22 WIB Consumer Business SB NZ GBU

10,170 1113,283 10,936 621 10,791 (2,347)(300)(320)(84)(73)FY21reportedNotableitemsFY21 ex-notableitemsOngoingexpensesInvestments(ex. Fix)FixSpecialistBusinessesBusinessessoldFY22 ex-notableitemsNotableitemsFY22reported Down $766m or 7% 5,035 845,366 5,135 390 5,425 (231)(3)(121)(48)(12)1H22reportedNotable items1H22 ex-notable itemsOngoingexpensesInvestments(ex. Fix)FixSpecialistBusinessesBusinessessold2H22 ex-notableitemsNotableitems2H22reportedExpenses.65Headcount (#)1 Sep-21Mar-22Sep-22Change Sep-22 –Mar-22Direct243,44741,08840,208(2.1%)Third party319,35717,44217,8122.1%Total62,80458,53058,020(0.9%)Expense movements 2H22 –1H22 ($m)FTE (#)1 Headcount refers to number of people. 2 Direct includes people employed directly by Westpac including permanent and temporary staff, and contractors. 3 Third party includes consultants and processing services. Expenses Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackExpense movements FY22 –FY21 ($m)Mar-22BAUSep-22Investments(ex. Fix)Fixone-offSpecialistBusinesses 38,8233337,476 (597) (49)(734) Down 1,347 or 3% Down $100m or 2%

Investment and capitalisedsoftware.1 Includes capitalised software, fixed assets and prepayments. 66Investment spend mix ($m) 3883442972832443781,0491,4311,3121,7202,0191,987FY20FY21FY22 Perform Simplify Fix Investment spend ($m)FY21FY22Expensed1,222883Capitalised17971,104Total investment spend2,0191,987Expenses Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Down 8% due to completion of several initiatives Down 14% as investment directed to Fix & Simplify Up 55% using digital to simplify and automate activities Capitalisation of investment increased with higher spend on platforms and infrastructure

Select cost reset targets.1671 The information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. They have been based upon management's expectations and beliefs concerning futuredevelopments and their potential effect on Westpac. Should one or more of the risks or uncertainties materialise, or should underlying assumptions prove incorrect, actual results may differ materially from those expressed or implied in such statements. Investors should not place undue reliance on forward-looking statements and statements of expectation. Except as required by law, Westpac is not responsible for updating, or obliged to update, any matter arising after the date of this presentation. The information in this page is subject to the information in Westpac’s ASX filings, including in its 2022 Full Year Financial Results and elsewhere in this presentation. 2 Percentage of home loan applications through digital mortgage origination platform for 1stparty lending (excluding RAMS). FY24 target refers to both 1stand 3rdparty across Consumer and Business. 3 Refer to page 136 for definition. 4 Reduction to FY24 represents decrease on baseline. 5 Includes products for sale and not for sale across Australia and New Zealand, except for institutional products which are for sale only. 6 Represents international locations excluding New Zealand and Westpac Pacific. 7 $200m is based on savings from volume and rate management, and includes consulting engagements.8 There are two remaining businesses in Specialist Businesses: Platforms and Westpac Pacific. At this point, the sale of Westpac Pacific appears unlikely in the short to medium term.Expenses Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack MetricFY20 baselineFY22FY24 targetPortfolio simplification•Sale of non-core businesses•Completion of sales1 under sale agreement7 completed2 under sale agreement11 transactions completed8Businesssimplification•Mortgages processed on digital origination platform2•Consumer sales via digital3•Branch transactions4•Number of products532%42%29 million1,19182%43%23 million805100%70%~40% less~450Organisational simplification•Offshore locations6•Reduce third party and contractor spend >$200m per annum7•Reduce head office roles –more than 20%874>$200m>$200m p.a(12%)(20%)

2H22 impairment charge of $196m.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 68 28314446697123(147)(194)(203)(166)(138)438318296218228366(640)(10)(17)940(372)(218)1391962H201H212H211H222H222H201H212H211H222H222H201H212H211H222H222H201H212H211H222H222H201H212H211H222H22(777)Impairment charges and stressed exposures (bps)Impairment charges ($m) New IAPs Write-backs & recoveries Write-offs direct Other mvmts in CAPIndividually assessedCollectively assessed -1000100200300400-20020406080100200820092010201120122013201420152016201720182019202020212022 Impairment charge to average loans annualised (lhs) Long run average impairment charge to average loans annualised (lhs) Stressed exposures to TCE (rhs)TotalImpairment charges

Credit quality and provisions

70 412611832501452943 1,561 1,131 989 947 1,578 2,247 1,601 1,258 1,685 818 1,032 788 791 841 1717086471,1367003,922 6,1594,9994,6754,625Sep-19Sep-20Sep-21Mar-22Sep-22 Overlay Stage 1 CAP Stage 2 CAP Stage 3 CAP Stage 3 IAP 4,625 2,983 6,680 Reportedprobability-weighted ECL100%base case ECL100%downside ECL Sep-21Mar-22Sep-22Provisions to gross loans (bps)706562Impaired asset provisions to impaired assets (%)544848Collectively assessed provisions to credit RWA (bps)117116116 Provisions for expected credit loss.Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackKey ratiosTotal provisions for expected credit losses1($m)Credit quality Overlays reduced as some factors now reflected in modelled provision outcomes Higher stage 2 reflecting changes in modelled provision outcomes Small decrease, mainly in institutional exposuresExpected credit loss1(ECL) ($m) $1.6bn in provisions above the base case economic scenario1 Excludes provisions for debt securities. 2 Forecast date is 19 September 2022. 3 These KEIs represent trough or peak valuesthat characterise the scenarios considered in setting downside severity. COVID-19 Forecasts for base case economic scenario 2 Base caseDownside20222023Trough / peak3 GDP growth 3.4%1.0%(6%) Unemployment 3.1%4.4%11% Residential property prices (6.5%)(7.8%)(27%)

0.260.190.140.130.800.680.560.510.850.49 0.400.435.996.407.2511.1992.1092.2591.6587.73Sep-20Sep-21Mar-22Sep-22 Stage 1 reduction driven by changes to modelled outcomes Stage 2 increase driven by changes to modelled outcomes Reduction in Stage 3 reflects improvement in 90+ day mortgage delinquencies Provision cover by portfolio category.Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackExposures as a % of TCEFully performing portfolio Watchlist & substandard 90+ day past due and not impaired Impaired Non-stressed but significant increase in credit risk 71 Sep-21Mar-22Sep-22Stage 1 provisionsFully performing portfolioSmall cover as low probability of default (PD) 0.090.100.09Stage 2 provisions (includes portfolio overlays)Non-stressed but significant increase in credit risk Lifetime expected loss based on future economic conditions2.161.921.35Watchlist & substandardStill performing but higher cover reflects deterioration9.8010.9511.05Stage 3 provisions90+ day past due and not impairedIn default but strong security10.5710.6211.07Impaired assetsIn default. High provision cover reflects expected recovery 54.4348.0347.97 Credit quality Provisioning to TCE (%)Chart does not add to 100 due to rounding.

0.580.440.270.200.220.150.140.170.260.190.140.130.350.310.260.250.330.340.390.480.800.680.560.511.240.850.710.540.650.560.550.550.850.490.400.432.17 1.60 1.240.991.201.051.081.201.911.361.101.07 Sep-12 Sep-13 Sep-14 Sep-15 Sep-16 Sep-17 Sep-18 Sep-19 Sep-20 Sep-21 Mar-22 Sep-22 Credit quality metrics improved.721 Facilities 90 days or more past due date not impaired. These facilities, while in default, are not treated as impaired for accounting purposes. 2Includes exposures that are managed on a facility by facility basis.Credit qualityStressed exposures as a % of TCEMovement in stress categories (bps) Watchlist and substandard•Deterioration mostly due to downgrade of one large customer in Australian business to watchlist90+ day past due and not impaired1•Reduction from 13bp decrease in mortgage 90+ day delinquenciesImpaired•1bp improvement from write-offs and customer upgrades, primarily in Australian business and institutional portfolios Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack11 2,254 1,955 1,317 1,240 1,555 1,029 921 1,069 1,761 836 430 FY12 FY13 FY14 FY15 FY16 FY17 FY18 FY19 FY20 FY21 FY22 1H 2HNew and increased gross impaired assets ($m)2 110(12)1364107(5)(1)(8)(1)(5)(1)Sep-21 Impaired 90+ dpd not impaired Substandard Watchlist Mar-22 Impaired 90+ dpd not impaired Substandard Watchlist Sep-22

Portfolio composition. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 73Total committed exposure (TCE) by risk grade at 30 September 2022 ($m)1 Risk grade equivalent. 2 Exposure by booking office. Standard and Poor’s risk grade 1 AustraliaNZ / PacificAsiaAmericasEuropeGroup% of total AAA to AA - 207,929 22,192 1,145 13,890 568 245,724 20% A+ to A - 37,923 5,509 1,275 4,386 6,474 55,567 5% BBB+ to BBB - 66,313 11,996 2,922 4,033 1,413 86,677 7% BB+ to BB 77,537 14,135 554 166 116 92,508 8% BB -to B+ 51,964 7,391 282 284 391 60,312 5% <B+ 6,482 1,936 34 --8,452 1% Mortgages 536,374 66,866 ---603,240 51% Other consumer products 29,827 3,595 ---33,422 3% TCE 1,014,349 133,620 6,212 22,759 8,962 1,185,902 TCE at 30 September 2021 959,067132,9255,97421,0926,2241,125,282 Exposure by region 2(%) 86%11%<1%2%<1%100%Credit quality 7116112 Housing Business Institutional Other consumerLoan composition at 30 September 2022 (% of total)Total loans $744bn No direct exposure to Russia or Ukraine

050100150200250OtherMiningAccommodation, cafes& restaurantsConstructionUtilitiesTransport & storageProperty services & businessservicesManufacturingServicesAgriculture, forestry & fishingWholesale & retail tradePropertyGovernment admin. &defenceFinance & insurance Sep-21 Mar-22 Sep-22 05001,0001,5002,0002,5003,000A-A-AAA-A-A-BBBA+BBBAA- S&P rating or equivalent 1.21.01.11.01.01.11.21.01.1Sep-15Sep-16Sep-17Sep-18Sep-19Sep-20Sep-21Mar-22Sep-22Loan portfolio composition.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 74Top 10 institutional exposures to corporations and NBFIs5 (% of TCE)Top 10 institutional exposures to corporations & NBFIs at 30 September 2022 ($m)Exposures at default1by sector ($bn)1 Exposures at default is an estimate of the committed exposure expected to be drawn by a customer at the time of default. Excludes consumer lending. 2 Finance and insurance includes banks, non-banks, insurance companies and other firms providing services to the finance and insurance sectors. 3 Property includes both residential and non-residential property investors and developers and excludes real estate agents. 4 Construction includes building and non-building construction, and industries serving the construction sector. 5 NBFI is non-bank financial institutions. Credit quality Clearing house membership Other Construction4 Mining Accommodation, cafes & restaurants Property3 Utilities Transport & storage Property services & business services Manufacturing Services Agriculture, forestry & fishing Wholesale & retail trade Government admin. & defence Finance & insurance2

0.00.20.40.60.81.01.21.41.61.82.0Property Accommodation, cafes & restaurants Wholesale & retail trade Agriculture, forestry & fishing Property & business services Services Manufacturing Construction Transport & storage Mining Finance & insurance Utilities Sep-21 Mar-22 Sep-22Credit quality across sectors.1 Services includes education, health & community services, cultural & recreational and personal & other services.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 75Corporate and business stressed exposures by industry sector ($bn)Credit quality Stress to TCE by sector Sector PropertyAccomm., cafes & restaurantsWholesale & retail tradeAgriculture, forestry& fishingProperty &business servicesServices1ManufacturingConstructionTransport& storageMiningFinance & InsuranceUtilities Mar -22 (%) 2.17.63.13.73.62.82.75.51.70.60.10.2 Sep -22 (%) 2.16.83.03.63.24.12.95.42.00.60.10.2 Increase driven by downgrade of one exposure to watchlist Construction Mining Accommodation, cafes & restaurants Property Utilities Transport & storage Property services & business services Manufacturing Services Agriculture, forestry & fishing Wholesale & retail trade Finance & insurance

591823 Fully Secured Partially Secured Unsecured 22 15 8 5 17 6 27 BuildingConstruction Non-BuildingConstruction Site PreparationServices Building StructureServices Installation TradeServices Building CompletionServices Other ConstructionServices 34 38 23 5 Accommodation Pubs, Taverns andBars Cafes andRestaurants Clubs (Hospitality)Sectors in focus: accommodation, cafes and restaurants; construction.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 76Accommodation, cafes and restaurants1 Includes impaired exposures. 2 Percentage of portfolio TCE. 3 Fully secured: Secured loan to collateral value ratio ≤ 100%, Partially secured: Secured loan to collateral value ratio > 100%, but < 150%, Unsecured: Secured loan to collateral value ratio > 150%, or no security held.Credit quality Sep-21Mar-22Sep-22 Total committed exposure (TCE) ($bn) 9.69.910.2 Lending ($bn) 8.28.18.4 As a % of Group TCE 0.850.850.86 % of portfolio graded as stressed 1,2 12.387.646.76 % of portfolio impaired 2 0.940.680.56Portfolio security composition3(TCE) (%)Portfolio by sub-sector (TCE) (%) 73225 Fully Secured Partially Secured UnsecuredPortfolio security composition3(TCE) (%)Portfolio by sub-sector (TCE) (%) Sep-21Mar-22Sep-22 TCE ($bn) 11.211.211.5 Lending ($bn) 6.76.87.1 As a % of Group TCE 1.000.960.97 % of portfolio graded as stressed 1,2 5.515.465.37 % of portfolio impaired 2 0.860.800.78Construction

Sectors in focus: commercial property. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 77Commercial propertyCommercial property exposures % of TCE and % in stress1 Includes impaired exposures. 2 Percentage of commercial property portfolio TCE. Credit quality Sep-21Mar-22Sep-22 TCE ($bn) 70.074.376.1 Lending ($bn) 51.756.560.0 As a % of Group TCE 6.226.406.42 Median risk grade (S&P equivalent) BB+BB+BB+ % of portfolio graded as stressed1,2 2.162.062.07 % of portfolio impaired 2 0.210.160.07 0246810121416182002468 Mar-12 Sep-12 Mar-13 Sep-13 Mar-14 Sep-14 Mar-15 Sep-15 Mar-16 Sep-16 Mar-17 Sep-17 Mar-18 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22 Commercial property as % of TCE (lhs) Commercial property % in stress (rhs) 28202413114 Commercial offices Residential Retail Industrial Corporate Other 2710613944 NSW & ACT VIC QLD SA & NT WA NZ & Pacific Institutional 3874114 Investors &developers <$10m Developers >$10m Investors >$10m Diversified propertygroups and propertytrusts >$10mBorrower typeRegionSectorCommercial property portfolio composition (TCE) (%)

6.2 4.2 3.6 5.9 2.9 3.7 5.8 2.7 3.4 Personal andhouseholdgoods retailingMotor vehicleretailing and servicesFood retailing Sep-21 Mar-22 Sep-22 Sectors in focus: Australian agriculture; mining including oil & gas; retail trade.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 78Mining portfolio by sub-sector (TCE) (%)Mining (incl. oil and gas) 1 Includes impaired exposures. 2 Percentage of portfolio TCE. Credit quality Sep-21Mar-22Sep-22 TCE ($bn) 8.48.47.9 Lending ($bn) 3.63.43.1 As a % of Group TCE 0.750.720.66 % of portfolio graded as stressed 1,2 1.730.600.62 % of portfolio in impaired 2 0.170.140.11 3332131246 Oil and gas Metal ore Mining services Iron ore Coal OtherAustralian agriculture portfolio by sub-sector (TCE) (%) Sep-21Mar-22Sep-22 TCE ($bn) 13.013.413.7 Lending ($bn) 10.510.610.7 As a % of Group TCE 1.151.161.16 % of portfolio graded as stressed 1,2 3.301.962.73 % of portfolio in impaired 2 0.410.400.24 24211856585521 Grain Beef & Sheep Horticulture Dairy Cotton Fishing & Aquaculture Services to Agriculture Viticulture Other Forestry & Logging PoultryAustralian agriculture Retail trade Sep-21Mar-22Sep-22 TCE ($bn) 14.012.511.9 Lending ($bn) 8.68.38.6 As a % of Group TCE 1.241.081.00 % of portfolio graded as stressed 1,2 3.683.693.79 % of portfolio impaired 2 1.551.421.46Retail trade exposure by sub-sector (TCE) ($bn) Decrease mostly due to sale of wholesale dealer book

Australian consumer finance.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 79Australian consumer finance portfolio1Australian consumer finance delinquencies (%)Australian consumer finance portfolio ($bn)Australian consumer finance portfolio balance ($bn)1 Does not include margin lending. 2 Loans to customers through dealers in Specialist Businesses. These loans will be run-down over their contractual term.Credit quality 6.0 2.4 4.8 13.2 6.4 2.4 4.0 12.8 6.4 2.3 3.0 11.7 Credit cardsPersonal loansAuto loans(consumer)Total consumerfinance Sep-21 Mar-22 Sep-22 Sep-21Mar-22Sep-22Lending ($bn)13.412.811.7As a % of Group loans1.91.81.630+ day delinquencies(%)3.223.062.7990+ day delinquencies(%)1.731.641.6090+ day delinquencies down 4ps over the period, reflecting 17bps improvement in portfolio, partly offset by 13bps from contraction in portfolio (mostly auto)2In run-off 01230510152025Mar-19Sep-19Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 Performing loans ($bn lhs) 90+ day delinquencies balance ($bn rhs) 1.60 2.790.001.002.003.004.005.006.00Mar-19Sep-19Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 90+ day delinquencies 30+ day delinquencies

Australian mortgage delinquencies.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 801 Financial hardship assistance is available to customers experiencing temporary financial difficulty, including changes in income due to illness, a relationship breakdown or natural disasters. Hardship assistance often takes the form of a reduction or deferral of repayments for a short period. Customer requesting financial hardship assistance, excluding those seeking COVID-19 related support, must provide a statement of financial position and an assessment is made regarding the customer’s eligibility.Mortgage credit qualityAustralian mortgage delinquencies (%) Australian mortgage portfolioSep-21Mar-22Sep-22Total portfolio 30+ day delinquencies(bps)220147121Total portfolio 90+ day delinquencies, including impaired mortgages(bps) 1078875Investment property loans 90+ day delinquencies(bps) 1098975Interest only loans 90+ day delinquencies(bps) 826649Customers in hardship1including 6mth serviceability period (by balances, bps)1967553Consumer properties in possession (number)224201224Impaired mortgages (by balances, bps)655Australian mortgage 90+ day delinquencies by State (%) 0.01.02.03.0Sep-18Mar-19Sep-19Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 NSW/ACT VIC/TAS QLD WA SA/NT ALL 0.751.210.01.02.03.04.0Mar-18Sep-18Mar-19Sep-19Mar-20Sep-20Mar-21Sep-21Mar-22Sep-22 90+ day delinquencies 30+ day delinquenciesAustralian mortgage hardship1balances (% of portfolio) 0.530.00.51.01.52.02.5 Sep-19 Dec-19 Mar-20 Jun-20 Sep-20 Dec-20 Mar-21 Jun-21 Sep-21 Dec-21 Mar-22 Jun-22 Sep-22 Non-COVID-19 support COVID-19 support. COVID-19 deferrals

Australian mortgage portfolio composition.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack1 Flow is new mortgages settled in the 6 months ended 30 September 2022. 2 Includes amortisation. Calculated at account level, where split loans represent more than one account. 3 Sep-21 and Mar-22 re-stated for classification changes between ‘On time’ and ‘<1 month’ ahead categories. Loans ahead on payments exclude equity/line of credit products as there are no scheduled principal payments. 4 Mortgage loss rates for March balances are annualised, based on losses for the 6 months. Mortgage loss rates for September are actual losses for the 12 months ending. 81Mortgage credit quality Australian mortgage portfolioSep-21 balanceMar-22 balanceSep-22 balance2H22flow1Total portfolio ($bn)455.6458.3467.656.4Owner occupied (OO) (%)63.764.865.870.8Investment property loans (IPL) (%)33.833.432.629.2Portfolio loan/line of credit (LOC) (%)1.91.71.60.1Variable rate / Fixed rate (%)62/3860/4063/3789/11Interest only (I/O) (%)15.814.213.516.4Proprietary channel (%)52.852.751.843.6First home buyer (%)9.610.410.18.2Mortgage insured (%)15.815.414.712.2Sep-21Mar-22Sep-222H22flow1Average loan size2 ($’000)277280286443Customers ahead on repayments including offset account balances(%)By accounts747474By balances3686868Mortgage losses net of insurance($m, for 6 months ending)27282Annual mortgage loss rate4(bps)21<1Australian mortgage portfolio and 2H22 flow by product and repayment type (%) 29 57 33 21 20 10 1 2 1 2 Mar-23 Sep-23 Mar-24 Sep-24 Mar-25 Sep-25 Mar-26 Sep-26 Mar-27 Sep-27 Australian fixed rate mortgage expiry schedule ($bn, every 6 months to) 21222460211233622102236301217368 LOC IPL-I/O IPL-P&I OO-I/O OO-P&I Sep-21 (Portfolio) Mar-22 (Portfolio) Sep-22 (Portfolio) 2H22 FlowsChart does not add to 100 due to rounding.Chart does not add due to rounding.

Australian mortgage portfolio loan-to-value ratios.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 82Australian housing loan-to-value ratios (LVRs) (%)1 Dynamic LVR is the loan-to-value ratio taking into account the current loan balance, changes in security value, offset accountbalances and other loan adjustments. Property valuation source CoreLogic. 2 Weighted average LVR calculation considers size of outstanding balances. 3 Average LVR of new loans is on rolling 6 months. Mortgage credit quality Australian mortgage portfolio LVRsSep-21 balanceMar-22 balanceSep-22 balanceWeighted averages2LVR at origination (%)737373Dynamic LVR1(%)504749LVR of new loans3 (%)7171701Serviceability assessment creates a buffer for borrowers 26173912602015451272651511610.50.601020304050607080901000<=6060<=7070<=8080<=9090<=9595<=100>100 2H22 drawdowns LVR at origination Portfolio LVR at origination Portfolio dynamic LVR•Loans are assessed at the higher of−The customer rate, including any life-of-loan discounts, plus the serviceability buffer of 3.0% (up from 2.5% in October 2021) or −The minimum assessment rate, called the “floor rate”, currently 5.05%•Interest only (I/O) loans are assessed based on the residual principal and interest (P&I) term using the applicable P&Irate, plus a 3.0% buffer•Fixed rate loans are assessed on the variable rate to which the loan will revert after the fixed period, plus a 3.0% buffer 791212203373568164617<75k75k to100k 100k to 125k 125k to 150k 150k to 200k 200k to 500k >500k Owner Occupied Investment PropertyApplicant gross income band (2H22 drawdowns, % by approved limits)Chart does not add to 100 due to rounding.Chart does not add to 100 due to rounding.N/A

88810111310119191919Sep-21Mar-22Sep-22 Investment property loans –incentive is to keep repayments high for tax purposes Accounts opened in the last 12 months Loans with structural restrictions onrepayments e.g. fixed rate Residual –less than 1 month repayment bufferLoans ‘on time’ and <1 mth ahead (% of balances)Australian mortgage portfolio repayment buffers.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 83Offset account balances1($bn)1 Includes RAMS from September 2020 onwards. 2 Customer loans ahead on payments exclude equity/line of credit products as there are no scheduled principal payments. Includes mortgage offset accounts. ‘Behind’ is more than 30 days past due. ‘On time’ includes up to 30 days past due. Sep-21 and Mar-22 re-stated for classification changes between ‘On time’ and ‘<1 month’ ahead categories. Mortgage credit quality49 230181666231311915562313019166622BehindOn time< 1 Mth< 6 Mths< 1 Yr< 2 Yrs>2 Yrs Sep-21 Mar-22 Sep-2249Australian home loan customers ahead on repayments2(% by balances) 225151466331251514563312515156633BehindOn time< 1 Mth< 6 Mths< 1 Yr< 2 Yrs>2 Yrs Sep-21 Mar-22 Sep-22Australian home loan customers ahead on repayments2(% by accounts)Chart does not add to 100 due to rounding.Chart does not add to 100 due to rounding. 363739394041424648515353 Mar-17 Sep-17 Mar-18 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22 Linked to I/O mortgages Linked to P&I mortgages.48Chart does not add due to rounding.

Calendar yearAustralian mortgage portfolio underwriting.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 84Credit policy at September 2022Australian mortgage portfolio by year of origination (% of total book)1 HEM is the Household Expenditure Measure, produced by the Melbourne Institute. 2 In Second Half 2021 Westpac Lender’s MortgageInsurance Limited was sold to Arch Capital Group. The sale was completed on 31 August 2021. Westpac has entered into a 10-year exclusive supply agreement for Arch to provide lenders mortgage insurance to the Group. 3 Includes loans where LMIapplies to >70% LVR loans, for example, single industry towns.Mortgage credit quality 211111123456777102318 Pre-2006 20062007200820092010201120122013201420152016201720182019202020212022 Income • Verified via payslips, tax returns or salary credits, with other supporting documentation such as PAYGpayment summaries or ATO Statements (minimum standards apply) • Shading of at least 20% applies to less certain income sources i.e. overtime, bonuses Credit Score & Credit Bureau • Bespoke application scorecards segmented by new and existing customers • Credit and score override rates tracked and capped • Credit bureau checks required Expenses • Assessed as the higher of a borrower’s HEM1comparable expenses or HEM,plus any expenses that are not comparable to HEM (e.g. private school fees, life insurance) • HEM is applied by income bands, post settlement postcode location, marital status and dependants • 17 expense categories used, aligned with Melbourne Institute guidelines and LIXI standards Serviceability assessment • For serviceability assessment, loans are assessed at the higher of -The customer rate, including any life-of-loan discounts, plus the serviceability buffer of 3.0% (up from 2.50% in October 2021), or -The minimum assessment rate, called the “floor rate”, currently 5.05% (from October 2020, previously 5.35%) • For I/O Loans, serviceability is assessed on a P&I basis over the residual term • Fixed rate loans assessed on the variable rate to which the loan will revert after fixed period • All existing customer commitments are verified • Review Westpac Group accounts and Comprehensive Credit Reporting (CCR) to identify customer commitments • Limits apply to higher debt-to-income lending; above 7x referred for manual credit assessment • Credit card repayments assessed at 3.8% of limit or balance whichever is higher Genuine savings deposit requirements • Minimum 5% proof of genuine savings for higher LVR loans (typically LVR >90%). Any Home Owners Grants are not considered genuine savings Security • LVR restrictions apply depending on location, property value and nature of security • Restrictions on high-density apartments based in postcode defined areas (generally capital city CBD’s) and properties in towns heavily reliant on a single industry (e.g. mining, tourism) LMI • Mortgage insurance for higher risk loans, such as LVRs>80%. Special package policy waivers apply for certain professionals and Westpac staff Australian mortgage portfolio by insurance profile2(%) 15680Insurance not required(Low risk profile including loans <80% LVR)Not insured >80% LVR(Special package policy waivers apply for certain professionals and Westpac staff)Insured3(>80% LVR) Chart does not add to 100 due to rounding

Australian interest only and investment property lending.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 85Scheduled I/O term expiry2(% of total I/O loans)Interest only (I/O) lending by dynamic LVR1and income band (% of total I/O lending)1 Dynamic LVR is the loan-to-value ratio taking into account the current loan balance, changes in security value, offset accountbalances and other loan adjustments. Property valuation source CoreLogic. 2 Based on outstanding balance. Excludes line of credit loans, I/O loans without date (including bridging loans and loans with construction purpose) and I/O loans that shouldhave switched to P&I but for the previously announced mortgage processing error. 3 Includes amortisation. Calculated at account level where split loans represent more than one account. 4 Customer loans ahead on payments exclude equity/line of credit products as there are no scheduled principal payments. Mortgage credit quality 8312813424146603011<=60%60%<=80%>80%Dynamic LVR bands (%) <$100k $100k –$250k >$250kApplicant gross income bandsChart does not add due to rounding. 65246211 1 2 3 4 5 6+Investment property portfolio by number of properties per customer (%) Investment property lending (IPL) portfolioSep-21Mar-22Sep-22Investment property loans ($bn)154153152Weighted averagesLVR of IPL loans at origination (%)727171LVR of new IPL loans in the period(%)707070DynamicLVR1of IPL loans (%)504749Average loan size3($’000)318321326Customers ahead on repaymentsincluding offset accounts4(%)61616090+ day delinquencies (bps)1098975Annualised loss rate (net of insurance claims) (bps)221 1419151218220.3 0<1 Yr 1<2 Yrs 2<3 Yrs 3<4 Yrs 4<5 Yrs 5<10 Yrs 10 Yrs+ IO portfolio $63bn (13.5% of portfolio) at 30 September 2022Chart does not add due to rounding.

Capital, funding and liquidity

11.2911.3911.33731810(45)(38)(9)(3)Mar-22CashearningsexnotablesDividendRWADe-ductionsandotherFXtrans-lationimpactDivest-mentsSep-22FutureassetsalesPro formaSep-221CET1 capital ratio 11.3%, pro forma111.4%.87Level 2 CET1 capital ratio movements (%, bps) 1 Reflecting announced exits relating to Superannuation and the Advance Asset Management business, 10bps (subject to divestment completion occurring) and some separation costs realised in FY22. Related divestment costs have impacted CET1 ratio for 30 September 2022. 2 Interest rate risk in the banking book (IRRBB). 3 The dividend reinvestment plan (DRP) for the2022 interim dividend was satisfied by the purchase of existing shares by a third party. For the final 2022 dividend, new shares will be issued to DRP participants as Westpac is in discussions on a potential acquisition of Tyro. Shares will be issued with no discount to the market price. 4 Internationally comparable methodology aligns with the APRA study titled ‘International Capital Comparison Study’ dated 13 July 2015.Capital, funding and liquidity Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Key capital ratios (%)Sep-21Mar-22Sep-22Level 2 CET1 capital ratio 12.311.311.3Additional Tier 1 capital ratio2.32.12.1Tier 1 capital ratio14.613.413.4Tier 2 capital ratio4.24.35.0Total regulatory capital ratio18.917.718.4Risk weighted assets (RWA)($bn)437460478Leverage ratio 6.05.65.6Level 1 CET1 capital ratio12.611.211.3Internationally comparable ratios4Leverage ratio (internationally comparable)6.66.16.0CET1 capital ratio (internationally comparable)18.217.417.63 Down 4bps Divestments mainly includes sale of Australian life insurance Largely due to non-credit RWA, mainly IRRBB2 Capitalised software and other deductions

Risk weighted assets.88Risk weighted assets (RWA) ($bn) 477.615.1436.7460.02.41.2(0.3)(0.8)Sep-21Mar-22CreditriskMarketriskIRRBBOperationalriskOtherSep-22•RWA up $17.7bn over 2H22•IRRBB RWA up $15.1bn (36bps impact on capital) mainly from a higher regulatory embedded loss from increased market rates, in particular in 2 and 3 year swap rates. An embedded loss occurs as Westpac’s equity is invested over a three year investment horizon compared to the regulatory investment term of one year•Credit RWA increased $2.4bn (6bps impact on capital) mainly from higher exposures across residential mortgages and corporatesMovement in credit risk weighted assets ($bn) 362.1357.3359.74.71.30.5(4.1)Sep-21Mar-22CreditqualityLendingCounterpartycredit andmark-to-marketriskFXtranslationSep-22IRRBB RWA1($bn)1 Chart may not add due to rounding.Capital, funding and liquidity Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Up $2.4bn or 0.7% Up $17.7bn1or 3.8% Growth in mortgages, corporate and business lending Improved credit quality metrics, partly offset by an overlay for the mortgage RWA floor (4) (1)819 21 1310162017 2 3 3 4 511 122743430.521.282.603.634.05Sep-21Dec-21Mar-22Jun-22Sep-22 Embedded loss/(gain) Repricing and yield curve risk Optionality and basis risk 3y Swap rate (in %) 3Q22: $15.8bn 4Q22: ($0.7bn)

Current APRA requirementsNew APRA requirementfrom 1 Jan-23Minimum Prudential Capital Requirement (4.5%)Buffer 0.75%Capital Conservation Buffer (3.75%) andD-SIB (1.0%,)Countercyclical capital buffer (1.0%)Minimum Prudential Capital Requirement (4.5%)Management bufferCapital Conservation Buffer (2.5%) and D-SIB (1.0%)Unquestionably strong buffer (2.5%)10.5% Unquestionably strong benchmark 1CET1 capital ratio operating range. 891 Noting than APRA may apply higher CET1 capital ratio requirements for an individual authorised deposit-taking institution (ADI). Capital, funding and liquidity Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackCET1 capital operating range•We will seek to operate with a CET1 capital ratio of between 11.0% and 11.5% (including to account for dividend payments) in normal operating conditions under the new capital framework from 1 January 2023•On 29 November 21, APRA finalised its capital framework, increasing the top of the CET1 capital ratio level for Domestic Systemically Important Banks (D-SIBs) from 8% to 10.25% from 1 January 2023•Under the new framework, the capital conservation buffer increases from 2.5% to 3.75% and a base level for the countercyclical capital buffer (CcyB) of 1.0% was introduced. The D-SIB buffer of 1% continues to apply•APRA indicated that it expects the D-SIBs will likely operate with a CET1 capital ratio above 11% in normal operating conditions from 1 January 2023Operating range 11.0% -11.5%CET1 capital ratio of 11.29% at Sep-22 1

Regulatory capital changes. 1 Includes 1% D-SIB buffer. ImplementationChange Details Current and finalised by 1 Jul 2028RBNZ Capital Review•Progressive implementation from 1 January 2022 to 1 July 2028•IRB banks (including WNZL) subject to an 85% output floor of RWA required under the standardised approach applicable from1 January 2022 and an increased IRB scalar of 1.2 (from 1.06) effective 1 October 2022•D-SIB Total capital requirements increasing to 18% by 1 July 2028. Includes Tier 1 capital requirement of 16% of which 13.5% must be CET1 capital •Existing capital instruments that contain contractual non-viability triggers are no longer fully eligible as capital, with the qualifying amount being phased-out over the implementation timeline1 Jan 2023 APRA’s revisions to the ADI capital frameworkAPRA’s final capital standard includes •Increasing the CET1 capital requirement for D-SIBs from 8.0% to 10.25% through higher regulatory buffers, capital conservation buffer (to 4.75% from 3.5%)1and base level countercyclical capital buffer of 1.0%•Adjustments to RWA calculations for certain assets (residential mortgages, non-retail lending) •Implementing a 72.5% output floor to limit the capital benefit for Advanced ADIs relative to Standardised ADIs•RWA for New Zealand subsidiaries to be determined under RBNZ rules at the consolidated group level1 Jan 2024CPS 190 Financial Contingency PlanningCPS 900 Resolution PlanningAPRA has released two draft prudential standards for consultation for banks to•Develop plans to respond to financial stress •Prepare for resolution with limited adverse impacts on the community and financial system, in the event of their failure1 Jan 2023 Leverage ratio•Proposed minimum 3.5%. At 30 September 2022, our leverage ratio was 5.6%1 Jan 2024 and1 Jan 2026Loss Absorbing Capacity (LAC)•APRA requires D-SIBs to lift the total capital ratio by 4.5% of RWA, comprising 3% by 1 January 2024 and by a further 1.5% by 1January 2026, to a minimum total capital ratio of for D-SIBs of 18.25%•At 30 September 2022 our Tier 2 capital ratio was 5.0% and our total capital ratio was 18.4%. Any additional total capital required is expected to be met through additional Tier 2 capital, likely to be offset by a decrease in long-term wholesale funding1 Jan 20241 Jan 2025APS117 –IRRBBAPS116 –Market Risk•Non-traded: standardising aspects of the calculation of IRRBB capital to reduce volatility over time and variation between ADIs•Traded: APRA is yet to commence consultation on Fundamental Review of the Trading Book90Capital, funding and liquidity Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

Internationally comparable capital ratio reconciliation.1 Methodology aligns with the APRA study titled “International capital comparison study", dated 13 July 2015.APRA’s Basel III capital requirements are more conservative than those of the Basel Committee on Banking Supervision (BCBS), leading to lower reported capital ratios by Australian banks. In July 2015, APRA published a study that compared the major banks’ capital ratios against aset of international peers1. The following details the adjustments from this study and how Westpac’s APRA Basel III CET1 capital ratio aligns to an internationally comparable ratio.91Capital, funding and liquidity Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Westpac’s CET1 capital ratio (APRA basis)11.3Equity investmentsBalances below prescribed threshold are risk weighted,compared to a 100% CET1 deduction under APRA’s requirements0.1Deferred tax assetsBalances below prescribed threshold are risk weighted,compared to a 100% CET1 deduction under APRA’s requirements0.4Interestrate risk in the banking book (IRRBB)APRA requires capital to be heldfor IRRBB. The BCBS does not have a Pillar 1 capital requirement for IRRBB1.4Residential mortgagesLossgiven default (LGD) of 15%, compared to the 20% LGD floor under APRA’s requirements. APRA also appliesa correlation factor for mortgages higher than the 15% factor prescribed in the Basel rules2.0Unsecurednon-retail exposuresLGD of 45%, compared to the 60% or higher LGD under APRA’s requirements0.7Non-retail undrawn commitmentsCredit conversion factor of 75%, compared to 100% under APRA’s requirements0.5Specialised lendingUse of internal-ratings based (IRB) probabilities of default (PD) and LGDs for income producing real estate and project finance exposures, reduced by application of a scaling factor of 1.06. APRA applies higher risk weights under a supervisory slotting approach, but does not require the application of the scaling factors0.6Currency conversionthresholdIncrease in the A$ equivalent concessional threshold level for small business retail and small to medium enterprise corporateexposures0.2Capitalised expensesAPRA requires these items to be deducted from CET1. The BCBS only requires exposures classified as intangible assets under relevant accounting standards to be deducted from CET10.4Internationallycomparable CET1 capital ratio17.6Internationallycomparable Tier 1 capital ratio20.6Internationallycomparable total regulatory capital ratio27.8

Well placed on internationally comparable.Common equity Tier 1 ratio (%)1 92Leverage ratio (%)11 Comparison group comprises listed commercial banks with assets in excess of A$700bn and which have disclosed fully implementedBasel III ratios or provided enough to estimate. Based on company reports/presentations. Ratios at 30 June 2022, except for Westpac and ANZ which are at 30 September 2022, NAB at 31 March 2022 and Bank of Montreal, Scotiabank, Royal Bank of Canada, CIBC and Toronto Dominion are at 31 July 2022. Leverage ratio is on a transitional basis. Where accrued expected dividends have been deducted and disclosed, these have been added back for comparability. US banks are excluded fromleverage ratio analysis due to business model differences, for example from loans sold to US Government sponsored enterprises. NAB has not disclosed an internationally comparable leverage ratio since September 2017. Shows ratios at the last reporting date, which may take account of measures taken in response to COVID-19.Capital, funding and liquidity Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack ANZCBANAB Westpac , 17.6% Danske Bank Nordea Unicredit Bank of Montreal NatWest Morgan Stanley Norinchukin Bank Rabobank BPCE Toronto Dominion Bank ING Group Lloyds UBS Goldman Sachs JPMorgan Chase Sumitomo Mitsui Standard Chartered Commerzbank HSBC Credit Suisse China Construction Bank Barclays ICBC Royal Bank of Canada Deutsche Bank Societe Generale Intesa Sanpaolo BBVA China Merchants Bank Santander BNP Paribas Bank of America Mizuho FG CIBC Citigroup Scotiabank Bank of China Credit Agricole SA Agricultural Bank of China Mitsubishi UFJ Wells Fargo 0%5%10%15% 20% Norinchukin Bank ICBC China Merchants Bank Bank of China China Construction Bank Agricultural Bank of China BBVA Rabobank Credit Suisse ANZ Westpac , 6.0% UBSCBA NatWest Unicredit HSBCNABLloyds Bank of Montreal Intesa Sanpaolo ING Group Barclays BPCE Sumitomo Mitsui Nordea Mitsubishi UFJ Santander Danske Bank Commerzbank Royal Bank of Canada Standard Chartered Toronto Dominion Bank Deutsche Bank CIBC Scotiabank Mizuho FG Societe Generale BNP Paribas Credit Agricole SA0%1%2%3%4%5%6%7%8%9%

Balance sheet funding.93Funding composition (%)Maintained a high level of customer deposit funding in FY22.1 Includes long term wholesale funding with a residual maturity less than or equal to 1 year. 2 Equity excludes FX translation, available-for-sale securities and cash flow hedging reserves. Capital, funding and liquidityChart does not add to 100 due to roundingBy residual maturity Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 55058060161369071172074079.881.683.582.9Mar-21Sep-21Mar-22Sep-22 Customer deposits Net loans Customer deposits to net loans ratio (%) 63636565658888711111121210911456657765655466Sep-18Sep-19Sep-20Sep-21Sep-22 Wholesale offshore >1yrWholesale onshore <1yr1Wholesale onshore >1yrWholesale offshore <1yr1SecuritisationEquity2Customer deposits Customer deposits 70% of total funding excluding equityCustomer deposits and net loans ($bn)Net stable funding ratio (%) 1251211.01.8(0.2) 0.7 (4.2)(3.5)Mar-22Capital Retail & SME Deposits Corporate & Institutional Deposits Wholesale funding and other Residential Mortgages ≤35% Risk t l p

Liquidity coverage ratio 132%.94Liquidity coverage ratio1(LCR) (quarterly average, $bn)CLF reduction almost complete.1 LCR is calculated as the percentage ratio of stock of liquid assets over the total net cash outflows in a modelled 30 day defined stressed scenario. Liquid assets include HQLA as defined in APS 210, RBNZeligible liquids and CLF eligible securities.2 Other flows include credit and liquidity facilities, collateral outflows and inflows from customers. Other flows also includesthe net cash outflow overlay. Effective 1 January 2021, the Group was required to increase the value of its net cash outflowsby 10% for the purpose of calculating LCR, in response to action taken by APRA for breaches of Westpac’s liquidity requirements predominantly relating to WNZL. The overlay was removed from 1 September 2022. 3 Per APRA updated guidance, the CLF will now cease to exist by 1 January 2023 instead of 31 December 2022. Capital, funding and liquidity Liquid assets Committed Liquidity Facility (CLF) High Quality Liquid Assets (HQLA) Liquidity coverage ratio1(quarterly average, %) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 9013796169101176103712281316343631134174144197145191Net cashoutflowsLiquid assetsNet cashoutflowsLiquid assetsNet cashoutflowsLiquid assets 1371324(8)(5)(1)5Mar-22QtrHQLACLFCustomerDepositsWholesalefundingOther flowsSep-22Qtr 37.0027.7518.509.2530/09/20211/01/20221/05/20221/09/20221/01/2023Westpac CLF phase-out ($bn)230 Net cash outflows (NCOs) Other flows 2 Wholesale funding Customer deposits March qtr2022LCR 137%September qtr2022 LCR 132%September qtr2021 LCR 129% Includes removal of net cash outflow overlay

Long term wholesale funding.95 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackCapital, funding and liquidity$43 billion in new term funding, including $4 billion pre-funding.1 Based on residual maturity and FX spot currency translation. Includes all debt issuance with contractual maturity greater than13 months excluding US Commercial Paper and Yankee Certificates of Deposit. Contractual maturity date for hybrids and callable subordinated instruments is the first scheduled conversion date or call date for the purposes of this disclosure. Perpetual sub-debt has been included in >FY27 maturity bucket. Maturities exclude securitisation amortisation. 2 Data excludes Funding for Lending Programme which allows eligible banks to borrow directly from the RBNZ at the official cash rate (OCR). It started on 7 December 2020 and ran until 6 June 2022 for the initial allocations, and will run until 6 December 2022 for the additional allocations.Term debt issuance and maturity profile1 ($bn)By program (%)By currency (%)By tenor (%)FY22 term debt issuance2(%) 1812373234313543384029212432 FY17 FY18 FY19 FY20 FY21 FY22 FY23 FY24 FY25 FY26 FY27 >FY27 Funding for Lending Programme (NZ) Term Funding Facility (Aus) Subordinated debt Senior/Securitisation Hybrid Covered bond IssuanceMaturities 52265144 Senior bonds Covered bonds Securitisation Tier 2 capital Hybrid 364113334 AUD USD EUR GBP NZD Other 33103621 3 years 4 years 5 years >5 yearsCharts may not add due to rounding.

Tier 2 capital issuance and maturities.96Well positioned to meet LAC requirements. Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackLoss Absorbing Capacity (LAC) Requirements (%)Westpac Tier 2 issuance and calls/maturities1,2,3(notional amount, A$bn)Westpac Tier 2 capital1(notional amount, %) 1 Excludes Westpac New Zealand Limited. RBNZ Tier 2 does not count for APRA TLAC requirements. 2 Represents A$ equivalent notional amount using spot FX translation at date of issue for issuance and spot FX translation at30September 2022 for maturities. 3 Securities in callable format profiled to first call date. Securities in bullet format profiled to maturity date. 4 Represents A$ equivalent notional amount using spot FX translation at 30 September 2022.Capital, funding and liquidity 4.22.26.25.21.21.42.33.23.112.80.02.04.06.08.010.012.014.0FY19FY20FY21FY22FY23FY24FY25FY26FY27>FY27Issuance Maturities FY23 issuance expected to be approx. $4–5 billion1subject to market conditions 7723 Callable Bullet 72144632 USD AUD Domestic AUD EMTN EUR JPY SGDChart does not add to 100 due to roundingBy format4By currency4 5.02.02.03.04.5WestpacSeptember 2022January 2024RequirementsJanuary 2026Requirements Tier 2 LAC5.06.5

Segment results

Segment1contributions.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 98Segments FY22 cash earnings ($m)ConsumerBusinessWIBNZ2Specialist BusinessesGroup BusinessesGroupNet interest income8,9853,0271,1102,10647490316,605Non-interest income6123291,139397(152)712,396Expenses(4,689)(1,896)(1,181)(1,072)(1,047)(906)(10,791)Core earnings4,9081,4601,0681,431(725)688,210Impairment (charges)/benefits(201)(143)(85)25672(335)Tax & non-controlling interests(1,416)(399)(296)(381)(65)(42)(2,599)Cash earnings3,2919186871,075(723)285,276Cash earnings contribution 62%18%13%20%(14%)1% FY22 notable items ($m) ConsumerBusinessWIBNZ2Specialist BusinessesGroup BusinessesGroupNet interest income---(1)--(1)Non-interest income---118(1,011)-(893)Expenses(66)---(365)(190)(621)Core earnings(66)--117(1,376)(190)(1,515)Impairment charges-------Tax and non-controlling interests19---15054223Cash earnings impact(47)--117(1,226)(136)(1,292)1 Refer to segment descriptions, page 135. 2 NZ in A$.

1,780 1,646 231 115 1,692 1,645 (36)(255)(9)(47)2H211H22 Net interest income Non-interest income Operatingexpenses Impairment charges Tax and NCI 2H22 ex-notable items Notable items 2H22 Cash earnings ($m) 1 Refer page 136 for metric definitions and details of provider. 2 Includes all brands, consumer and business customers. 3 Usersof the new Westpac app only, includes consumer and business customers. 4 Includes all points of presence including Advisory, Community Banking Centres and Kiosks. Kiosks have been restated in comparatives. Co-located branches are considered two points of presence. There are 27 co-located branches open for all Westpac brands customers. Key financial metrics2H211H222H22Change on 1H22Revenue ($m)4,9854,7014,8964%Net interest margin (%)2.272.092.167bpsExpense to income (%)50.650.447.4(300bps)Customer deposit to loan ratio (%)57.659.359.1(18bps)Stressed exposures to TCE (%)0.980.810.68(13bps)Mortgage 90+ day delinquencies (%)1.070.880.75(13bps)Consumer 2H22 performance.99Consumer Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack AIEA up 1%, NIM up 7bps from higher deposit spreads, partly offset by lower loan spreads One-off payment received in 1H22 in relation to a distribution agreement for general insurance Simplification initiatives, organisational redesign and completion of some regulatory projects Up $46m or 3% Down $1m or flat Large turnaround due to a CAP charge reflecting a changed economic forecast Key operating metrics2H211H222H22Changeon 1H22Main financial institution1(%)15.716.416.3(10bps)Active digital banking customers2(#m) 5.245.315.483%Active new Westpac appcustomers3(#m)1.72.52.78%Branches (#)4851781732(49)ATMs (#)1,2701,1531,071(82)

542 239 381 3 68 173 679 (185)2H211H22 Net interest income Non- interest income Operating expenses Impairment charges Tax and NCI 2H22 Business 2H22 performance. 100Cash earnings ($m)Business Key financial metrics2H211H222H22Change on 1H22Revenue ($m)1,6251,4861,87026%Net interest margin (%)3.693.334.0774bpsExpense to income (%)71.766.148.9LargeCustomer deposit to loan ratio (%)164.0166.4157.1LargeStressed exposures to TCE (%)5.905.075.05(2bps) Key operating metrics2H211H222H22Changeon 1H22Main financial institution1(%)20.621.521.7Up 20bpsCustomer satisfaction1(rank) –Westpac Brand=#2=#1=#2Down 1Customer satisfaction –SME1(rank) Westpac Brand=#2=#1=#2Down 1Digital sales2(%)3128291ppt1 Refer page 136 for metric definitions and details of provider. 2 Share of sales made digitally for eligible products. Refer page 136 for metric definitions. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack AIEA up 5%, NIM increased 74bps from higher deposits spreads, partly offset by lower loan spreads Simplification, organisational redesign and completion of risk and compliance programs Up $440m or 184% Impairment benefit from release in overlays no longer required, partly offset by the changed economic forecast

306 14831381 (831)(37)(27)(40)2H211H22 Net interest income Non-interest income Operating expenses Impairment charges Tax and NCI 2H22 AIEA up 13%, NIM increased 17bps from deposit spreads and balance sheet growth: loans up 15% and deposits up 11% Key financial metrics2H211H222H22Change on 1H22Revenue ($m)1,0841,0691,18010%Net interest margin (%)1.241.171.3417bpsExpense to income ratio (ex notable items (%))67.454.051.2(279bps)Net loans67.774.085.215%Customer deposits99.3104.7116.611%Customer deposit to loan ratio (%)146.6141.5136.8(Large)Stressed exposures to TCE (%)0.640.200.3515bps Key operating metrics2H211H222H22Changeon 1H22Customer revenue1 ($m)1,0731,1271,23610%Derivative valuation adjustment (DVA) ($m)44(29)(59)103%Trading revenue (non-customer) ($m)25346488%Other2(58)(63)(61)(3%)Revenue per average FTE ($’000)42641545510%WIB 2H22 performance.101Cash earnings ($m)1 WIB customer revenue is lending revenue, deposit revenue, sales and fee income. 2 Other includes bank levy and capital benefit.Westpac Institutional Bank Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Lower impairment charge due to lower IAP, higher write-backs and less impact from overlays Higher staff expenses, payments and technology investments and uplift in ESG capabilities DVA charge and lower customer markets income, partly offset by higher non-customer markets income Up $75m or 25%

(16)430635504907537530(131)(30)(18)(7)2H211H22 Add back notable items 1H22 ex-notable items Net interestincomeNon-interestincomeOperatingexpensesImpairmentchargesTax and NCI 2H22 ex-notables Notable items 2H22 Increase in impairment benefit due to improved credit metrics Key financial metrics2H211H222H22Change on 1H22Revenue (NZ$m)1,2181,3891,320(5%)Net interest margin (%)1.941.982.035bpsExpense to income (%)48.940.645.0LargeCustomer deposit to loan ratio (%)82.083.480.5(292bps)Stressed exposures to TCE (%)1.191.140.97(17bps)New Zealand 2H22 performance.1102Cash earnings (NZ$m)1 In NZ$ unless otherwise noted. 2 Refer to page 136 for details of metric definition and provider.New Zealand Key operating metricsSep-21Mar-22Sep-22Change Mar-22Customers (#m)1.331.351.371%Branches (#) 116114115+1ATMs (#) 464446439(7)Consumer NPS2 +14+10+7(3)Business NPS2(14) (6)+1+7Agri NPS2+13+33+20(13)Funds (NZ$bn) (spot)12.011.710.9(7%) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack AIEA up 4%, NIM up 8 bps from higher deposit spreads Loss of income following the sale of NZ life insurance Increased regulatory, risk and compliance expenses, and higher technology resilience costs Down $105m or 17% Up $33m or 7%

29283032212222212426262574767878Mar-21Sep-21Mar-22Sep-22 Transaction Savings Term deposits 58616264 1 1 1 13231313291939497Mar-21Sep-21Mar-22Sep-22 Business Personal Mortgage 66%1%33% 75.978.40.977.9 (1.4) Sep-21Mar-22ConsumerBusinessSep-22 92.694.01.81.096.8Sep-21Mar-22ConsumerBusinessSep-22New Zealand balance sheet.103Net loans (NZ$bn)Deposits (NZ$bn)Loans (NZ$bn) and % of total Customer deposits (NZ$bn) and % of total Up 3% Up 2% Up 2%New Zealand Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Up 3% Down 1% Down 1% Up 3% Up 2% 41%27%32%

Westpac Economics forecastNew Zealand business exposures.104Business stressed exposures as a % of business TCEAgribusiness1portfolioMilk price (NZ$ kg Ms)1 Includes forestry and fishing. 2 Includes impaired exposures. Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackBusiness TCE by industry sector %New Zealand 6.357.147.549.309.25 2018/19 2019/20 2020/21 2021/22 2022/23 Sep-21Mar-22Sep-22 TCE (NZ$bn) 10.610.610.5 Agriculture as a % of total TCE 7.77.47.2 % of portfolio graded as ‘stressed’2 5.76.14.8 % of portfolio impaired 0.130.080.03 27161410665433114 Finance & insurance Agriculture, Forestry and Fishing Property Government administration & defence Trade Manufacturing Utilities Services Transport & storage Property & business services Construction Accommodation, cafes & restaurants Other industries 0.50.30.30.30.20.20.25.04.03.02.92.21.61.35.5 4.4 3.3 3.1 2.6 2.0 1.5 Sep-16 Sep-17 Sep-18 Sep-19 Sep-20 Sep-21 Sep-22 Impaired 90+ day past due and not impaired Watchlist & substandard 0.10.10.10.10.1Chart may not add due to rounding.

53%22%19%4%2%0<=6060<=7070<=8080<=9090+New Zealand consumer portfolio.105Mortgage 90+ day delinquencies1(%)Unsecured consumer 90+ day delinquencies1(%)Mortgage portfolio LVR2(% of portfolio)Mortgage loss rates (%)1 In May 2019 we made changes to the reporting of customers in hardship to align to the method used by APRA. 2 LVR based on current loan property value at latest credit event. New Zealand94% of mortgage portfolio has an LVR less than 80% Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 0.010.000.020.040.060.080.10 0.12 1H12 1H13 1H14 1H15 1H16 1H17 1H18 1H19 1H20 1H21 1H22 1.03 0.01.02.03.0 Sep-13 Mar-14 Sep-14 Mar-15 Sep-15 Mar-16 Sep-16 Mar-17 Sep-17 Mar-18 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22 0.220.00.10.20.30.40.50.6 Sep-13 Mar-14 Sep-14 Mar-15 Sep-15 Mar-16 Sep-16 Mar-17 Sep-17 Mar-18 Sep-18 Mar-19 Sep-19 Mar-20 Sep-20 Mar-21 Sep-21 Mar-22 Sep-22 Mortgage portfolioSep-21Sep-22Total portfolio ($bn)60.963.8Owner occupied (OO) (%)72.373.3Investment property loans (IPL) (%)27.726.7Broker introduced (%)46.750.1Proprietary channel (%)53.349.9Fixed/ Floating split (%)88/1290/10Interest only (I/O) (%)20.417.9Origination LVR 80–90% (%)8.58.6Origination LVR>90% (%)2.42.3

(855)4513211424656257(10)(23)(9)(3)(1,112)2H211H22 Add back notable items 1H22 ex-notable items Net interest income Non-interest income Operatingexpenses Impairment charges Tax and NCI 2H22 ex-notables Notable items 2H22 Specialist Businesses 2H22 performance.106Cash earnings ($m)Specialist Businesses Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Lower income from reduced auto finance balances following sale and run-down of auto finance portfolio Reduction in transitional service payments related to businesses sold and lower life insurance income Lower expenses from simplification, lower investment spend and divestment of businesses Key financial metrics2H211H222H22Change on 1H22Average funds ($bn) 223.8224.9209.5(7%)Spot funds ($bn)227.4222.9198.8(11%)Platforms deposits ($bn)6.15.76.819%Platform FUA share(exc. Corp Superannuation)1(%)18.818.317.8(50bps)Margin lending ($bn)1.51.51.3(13%)Auto finance loans ($bn)210.68.87.1(19%)Westpac Pacific loans1.41.31.48%1 Plan For Life, 30 June 2022. 2 Reduction reflects ~$1bn of wholesale dealer loan book to Angle Finance (in 1H22) and run-down of remaining Auto Finance portfolio (2H22). Up $11m or 4% Down $987m or Large Financials excluding notable items and businesses sold2H211H222H22Change on 1H22Operating income ($m) 596615605(2%)Operating expenses ($m)(383)(350)(303)(13%)Core earnings ($m)21326530214%Net profit ($m)12420724116% Loss on completion of the sale of Australian life insurance

31,240 49,593 104,779 105,012 95,891 Sep-20Mar-21Sep-21Mar-22Sep-22 FUA BT Wrap migration 12,31014,11825,32026,00323,528Sep-20Mar-21Sep-21Mar-22Sep-22Panorama PlatformIncreased Panorama capabilities•Improved mobile app functionality, with BT Panorama winning Best Mobile Platform and Best Client Portal for the fourth consecutive year1•Expanded digital capability−Delivered client fee consent functionality−Added 24/7 virtual assistant to the mobile app−Launched real time workflow tracking for advisors•Platform updates and feature improvements based on adviser and member feedback•BT ranked #1 platforms business with 17.8%2share, excluding corporate superannuation•Panorama FUA was $95.9bn with net flows for FY22 of $1.9bn. Market volatility across equity and bond markets had an adverse impact on FUABT Panorama.107Active advisers on BT Panorama4(#)SMSF funds on BT Panorama4(#)FUA on BT Panorama3 ($m)Investors on BT Panorama3(#)1 Investment Trends Platform Competitive Analysis and Benchmarking Report, December 2021. 2 Plan For Life, 30 June 2022. 3 Migration from BT Wrap to Panorama was completed in June 2021. 4 Advisers and SMSF funds that have been migrated from BT Wrap are not shown separately. Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackSpecialist Businesses Down 9% 67,109 115,369 234,948 236,741 250,809 Sep-20Mar-21Sep-21Mar-22Sep-22 Investors BT Wrap migration Up 6% 3,0173,5246,0346,0596,142Sep-20Mar-21Sep-21Mar-22Sep-22 Up 1% Down 10% Down 8% Up 7% Up 2% Down 7%

Economics

Australian and New Zealand economic forecasts.1 Year average growth rates. 2 Through the year growth rates. 109 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Key economic indicators (%) at November 2022202120222023Calendar yearsQ3Q4Q1Q2Q3FQ4FQ1FQ2F202020212022F2023FWorldGDP1---------3.06.03.23.0AustraliaGDP24.14.53.33.66.73.43.02.2-0.74.53.41.0Unemployment –end period4.64.74.03.83.53.33.43.86.84.73.34.5CPI headline –year end3.03.55.16.17.37.96.96.00.93.57.94.1Interest rates –cash rate0.100.100.100.852.353.103.603.850.100.103.103.85New ZealandGDP2-0.43.01.00.45.02.53.32.00.33.02.51.6Unemployment –end period3.33.23.23.33.33.33.53.64.93.23.33.8Consumer prices 4.95.96.97.37.26.25.74.91.45.96.24.1Interest rates –official cash rate0.250.751.00 2.003.004.254.755.000.250.754.255.00 Key economic indicators (%) at November 2022202020212022F2023FAustraliaCredit growthTotal –year end1.77.28.42.7Housing –year end3.57.46.53.6Business –year end0.88.413.02.0New ZealandCredit growthTotal –year end3.37.54.93.2Housing –year end8.310.54.92.8Business –year end-2.73.65.34.3Private sector credit growth (% ann)Sources: RBA, Westpac EconomicsEconomicsSources: RBA, Statistics NZ, Westpac EconomicsSources: IMF, RBA, Statistics NZ, Westpac Economics -10-50510152025Sep-08Sep-10Sep-12Sep-14Sep-16Sep-18Sep-20Sep-22 Housing Australia Total credit Australia Business Australia Total credit New Zealand Westpac f’casts % ann

Global market backdrop.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 110Central banks responding aggressively to inflation.Fed Funds and RBA Cash Rate (%)EconomicsGlobal inflation (ann%)Global supply chains (index, monthly)Sources: Bloomberg, RBA Westpac Economics 01234567890123456789Nov 92Nov 98Nov 04Nov 10Nov 16Nov 22% Cash Rate Fed Funds (midpoint) %Sources: ABS, IMF, Macrobond, Westpac Economics -505101520-505101520Sep-60Sep-70Sep-80Sep-90Sep-00Sep-10Sep-20ann%ann% Australia G7* CPI inflation; ‘G7’ is GDP-weighted avg of US, EU, Japan, UK and Canada. Sources: Bloomberg,Macrobond, Westpac Economics -5010025040055070085049.550.050.551.051.552.052.5 Jan-17 Jan-18 Jan-19 Jan-20 Jan-21 Jan-22 Jan-23 IndexIndex Global Supply Chain Pressure Index (lhs) container freight rates (rhs)^^ 2017avg = 100 Westpac f’caststo Dec-23Consumer inflation expectations1(ann, %)Sources: ABS, IMF, Macrobond, Melbourne Institute, Westpac Economics 2345678923456789Oct-97Oct-01Oct-05Oct-09Oct-13Oct-17Oct-21ann%ann% Australia G7latest month* 3mth avg

RBA tightening cycle to continue.Labour market remains key risk to policy.1 ‘G7’ is GDP-weighted avg of US, EU, Japan, UK and Canada. Based on 1yr ahead expectations where available. 2 Mortgage repayments, owner occupied loans as % of household disposable income of owner occupiers.EconomicsAustralia’s household debt servicing ratio2(%)CPI inflation (%)Sources: ABS, RBA, Westpac Economics -10123456789-10123456789Sep-06Sep-10Sep-14Sep-18Sep-22%% Core CPI, %qtr Headline CPI %yr Core CPI, avg RBA %yr Westpac f’caststo Dec -23Wages (%)Sources: RBA, ABS, Westpac Economics 1012141618202210121416182022Sep-02Sep-07Sep-12Sep-17Sep-22%% 3.85% 4.5% 4.0% Westpac f’caststo Dec-23terminal cash rate:Sources: ABS, Westpac Economics 1234512345Jun-97Jun-02Jun-07Jun-12Jun-17Jun-22 ann% ann%RBA’s target: >3% Westpac f’caststo Dec-23 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 111Job vacancies (% of labour force) and Unemployment rate (%)Sources: ABS, Westpac Economics -3-113579110.00.51.01.52.02.53.03.5Mar-89Mar-97Mar-05Mar-13Mar-21%^% Vacancies* (ABS survey), lhs Unemployment rate, rhs* ABS survey suspended between May ’08 & Nov ’09^ scale reversedDwelling & energy pricesSources: ABS, Westpac Economics -202468Dec-19Dec-20Dec-21Dec-22Dec-23Dec-24%yr Auto fuel Electricity & gas Dwellings & rent Household goods Household servicesWestpacf’casts (% contribution to CPI)

Australian economy: slower growth expected in 2023. 112Higher rates and high inflation to impact.Economics Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackAustralia’s GDP profile (index)Sources: ABS, Westpac Economics 889296100104108112889296100104108112Jun-17Jun-18Jun-19Jun-20Jun-21Jun-22Jun-23Jun-24IndexIndex pre COVID-19 forecast current forecastDec 2019 = 100Westpac f’casts toDec-23 Sources: ABS, Westpac EconomicsSources: ABS, Westpac Economics -2-10123456-2-10123456ConsumerHousing Business Investment PublicNet exportsGDPppts annualppts annual 2020 2021 2022f 2023f contributions to GDP growth, year end 4.5 3.4-0.71.0Australia’s growth mix (ppts, annual) Household deposits ($bn) and Household saving ratio (% of income) -40481216202428-200200600100014001800Jun-92Jun-97Jun-02Jun-07Jun-12Jun-17Jun-22% of income$bn Household deposits (lhs) Household saving ratio (rhs)Confidence: consumers and businesses 708090100110120130-30-20-100102030Sep-08Sep-11Sep-14Sep-17Sep-20net bal.index Business (lhs) Consumer (rhs)Mar-20 off scale: –68.2 Sources: Westpac MI, NAB, Westpac Economics

Commodities: demand shifting, supply remains tight.EconomicsTerms of Trade at record high in 2Q22.113 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackAustralian exports to China1 ($bn)Sources: Westpac Economics, Bloomberg, ABS 20701201702202703203704204705202070120170220270320Oct-14Oct-16Oct-18Oct-20Oct-222012=1002012=100 Iron ore Met coal Thermal coal BrentWestpac f’caststo Dec-23Australian commodity prices (index) Source: DFAT, ABS, Westpac EconomicsAustralian export destinations1 ($bn)Sources: ABS, Westpac EconomicsAustralian export composition1 ($bn)Sources: ABS, Westpac Economics1 All figures show $bn exports in 2020, note that figures may not sum due to rounding and other small differences in source data. Iron ore, 117Coal, 43LNG, 36Other resources, 75Services, 71Rural, 43 Mfg/Other, 50 Total$435bn China, 145Japan, 44Korea, 23Asia, rest of, 65US, 19Europe, 12NZ, 10Other, 45Goods exports$363bn Iron ore, 93Coal, 16LNG, 10Other resources, 9Services, 16Rural, 13Mfg/Other, 3Terms of Trade (index) 406080100120140406080100120140Dec-50Dec-60Dec-70Dec-80Dec-90Dec-00Dec-10Dec-20indexindexHistoric average Wool boom1950/51 Westpac estimate 3Q22 67% above long run avg Sources: ABS; Westpac EconomicsTotal$160bn

Australian housing market.Australian dwelling prices (%, 3 month annualised) Sources: CoreLogic, Westpac EconomicsSources: CoreLogic, Westpac Economics Capital city Pop’nLast 3 mths (to Oct-22)Last 12 mths (Oct-22)Last 5 years (to Oct-22) Sydney 5.4mDown 5.3%Down 8.6%Up 9.7% Melbourne 5.1mDown 3.1%Down 5.6%Up 4.3% Brisbane 2.6mDown 5.4%Up 8.4%Up 36.0% Perth 2.1mDown 0.7%Up 4.0%Up 18.2%114Westpac Economics dwelling price forecasts (annual %)* average last 10yrsSources: CoreLogic, Westpac Economics Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackDwelling prices (% change over period) Capital cityPop’navg*202020212022f2023f2024f Sydney 5.4m6.32.725.3-10-81 Melbourne 5.1m5.0-1.315.1-8-101 Brisbane 2.6m4.93.627.42-63 Perth 2.1m1.17.313.12-43 Australia 26m5.11.820.9-6-82 -20-15-10-50510152025303540 Oct-14 Oct-15 Oct-16 Oct-17 Oct-18 Oct-19 Oct-20 Oct-21 Oct-22 Oct-23 % rate cuts rate hikes COVID-192019 election ‘Delta’ Macro-prudential measures Macro-prudential measures Entering a significant correction phase; stabilisation expected late 2023.Economics

Australian housing market.115 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackResidential property: sales vs listings 152025303515171921232527293133Oct-10Oct-12Oct-14Oct-16Oct-18Oct-20Oct-22‘000s‘000s New listings (lhs) Sales (lhs)Source: CoreLogic, WestpacEconomicsMonthly, capital citiescombined, seasonally adjusted by Westpac, smoothedSources: ABS, Westpac EconomicsHousing finance approvals by segment ($bn) 024681012141618024681012141618Sep-02Sep-06Sep-10Sep-14Sep-18Sep-22$bn$bn First home buyers Upgraders Investors Value of housing finance Auction clearance rates (monthly, %)Slowdown in activity in response to higher rates.Sources: APM, CoreLogic, Westpac Economics 25354555657585952535455565758595Oct-12Oct-15Oct-18Oct-21Oct-12Oct-15Oct-18Oct-21%%Seasonally adjusted by Westpaclatest week SydneyMelbourneEconomicsMortgage interest rates (%)Sources: RBA, Westpac Economics* Standard, owneroccupied, including discount –Nov 2022 is Westpac estimates assuming rates rise in line with RBA’s 25bp cash rate increase 01234567890123456789 Oct-08 Oct-10 Oct-12 Oct-14 Oct-16 Oct-18 Oct-20 Oct-22 %% Variable* 3 year fixed

Australian housing market.Rental market continues to tighten.116 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackSources: CoreLogic, ABS, RBA, Westpac EconomicsAffordability: Australia (%)Housing-related consumer sentimentSources: Melbourne Institute, Westpac EconomicsRental vacancy rates (% quarterly, annual average)Sources: REIA, REINSW, REIV, SQM Research, Westpac Economics 012345678012345678Sep-97Sep-02Sep-07Sep-12Sep-17Sep-22%% Sydney Melbourne Perth Brisbanelatest month (where available) 4060801001201401601802006080100120140160Oct-08Oct-10Oct-12Oct-14Oct-16Oct-18Oct-20Oct-22indexindex 'time to buy a dwelling' (lhs) house price expectations (rhs)Share of average income required to raise a deposit over 5yrs and pay mortgage over first 5yrs for purchase of median-priced dwellingWestpac f’casts to Dec-232017 peaks 101520253035101520253035Sep-87Sep-93Sep-99Sep-05Sep-11Sep-17Sep-23%% Sydney Melbourne EconomicsDwelling stock and population: ann changeSources: ABS, AustralianGovernment, Westpac Economics -1000100200300400500-10001002003004005001900192019401960198020002020‘000s‘000s population dwellings Govt & Westpac forecasts to Jun-24

TAS567kThe Australian economy.Australian GDP and employment compositionPopulation 26 million.Sources: ABS, Westpac Economics1 Real, financial years. 2 GSP, exports are for 2020-21; Population at March 2022; Employment at September 2022.Economics 11788945966919 Mining Manufacturing Construction Transport, Utilities Wholesale, Retail Agriculture Household services Health Education Public administration Finance Business services 2696122121587416 Mining Manufacturing Construction Transport, Utilities Wholesale, Retail Agriculture Household services Health, Social Assistance Education Public Administration Finance Business servicesOutput by sector 2021 –22 (% contribution to GDP)1Australian employment by sector, Sep 2022 (%) 3223181662312620117232262011722011184431 NSW Victoria Queensland WA SA Tasmania GSP Population Employment ExportsRelative size of States (Share of Australia, %)2117 Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackAustralian population WA2.8mSA1.8mQLD5.3mNT250kNSW8.2mVIC6.6mACT453k

New Zealand economic overview.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 118New Zealand GDP ($bn)Unemployment rate (%)Sources: Stats NZ, Westpac EconomicsEconomicsSources: RBNZ, Westpac EconomicsInterest rates rising in response to firm economy activity and increasing inflation. 0123456012345620102012201420162018202020222024Westpac forecasts%%Official Cash Rate (%)Consumer prices (% year) 012345678901234567892005200820112014201720202023 RBNZ targetbandWestpac forecasts%yr%yr Sources: Stats NZ, Westpac Economics 556065707580556065707580Jun-18Jun-19Jun-20Jun-21Jun-22Jun-23Jun-24$bn$bn‘Red Traffic light’(Omicron)Delta lockdownInitial COVID-19 lockdownSources: Stats NZ, Westpac EconomicsWestpac forecasts 234567823456782006200820112014201620192022Westpac forecasts%%

New Zealand economic activity.Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 119Manufacturing conditions (index) and Service sector conditions (index)Monthly retail spendingSource: Stats NZEconomicsSource: Stats NZDemand has remained firm in recent months.Residential dwelling consents (annual, total)Job advertisements (index) 0500010000150002000025000300000500010000150002000025000300002004200720102013201620192022Annual totalAnnual total Auckland Rest of NZ 203040506070203040506070 2017 2018 2019 2020 2021 2022 IndexIndex Service sector conditions Manufacturing conditions Initial COVID-19 lockdownDelta lockdownSource: BusinessNZ 200030004000500060007000200030004000500060007000Jan-19Jul-19Jan-20Jul-20Jan-21Jul-21Jan-22Jul-22 Total Core (excl. Fuel)$ mil$ mil 0255075100125150175200225025507510012515017520022520082010201220142016201820202022IndexIndexSource: MBIE

New Zealand inflation and interest rates.120Strong demand and shortage of suppliesDemand and supply pressures widespread, interest rates to continue pushing higher. Source: NZIEREconomics Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackUnemployment rate (%) and Wage inflation (% year)Source: Stats NZSource: RBNZMortgage interest rates (%)Inflation (% yr) 0246802468200520082011201420172020 CPI excluding food, energy and vehicle fuels Headline inflationRBNZ targetband %yr %yrSource: Stats NZ 05101520250204060801002000200520102015202020002005201020152020 % of business highlighting a lack of demand as a constraint% of business highlighting a lack of supplies as a constraint 024681002468102010201220142016201820202022% OCR Two-year mortgage rate Floating rate% 0123456234567820052009201320172021 Unemployment rate (rhs) Wage inflation (lhs)% yr%

New Zealand exports.121Farmgate milk price ($/kg Ms)Commodity price strength expected to be sustained, services exports recovery in train. Source: Fonterra, Westpac EconomicsEconomics Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackInternational visitor numbers (‘000)Source: Stats NZ, Westpac Economics Sources: RBNZ, Westpac EconomicsNew Zealand dollar (index)NZ export commodity prices (index)Source: ANZ 0100200300400010020030040020152017201920212023‘000‘000 Forecast 050100150200250300350400450050100150200250300350400450 2001 2005 2009 2013 2017 2021 Dairy Forestry products Meat, skins and woolIndex = 100 in 1986Index = 100 in 1986 50556065707580850.300.400.500.600.700.800.901.0020052010201520202025Index NZD/USD (lhs) NZD/EUR (lhs) TWI (rhs) NZD exchange rateForecast 024681012024681012 2003 2006 2009 2012 2015 2018 2021 2024 $/kg Ms$/kg MsForecast

New Zealand housing market.122New Zealand dwelling prices (index) The housing market is cooling as interest rates rise.Sources: REINZ, Westpac EconomicsEconomicsSources: REINZ, Stats NZ Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 7501250175022502750750125017502250275020072009201120132015201720192021 Auckland Canterbury Wellington Other regionsIndexIndexHouse prices (nationwide, index) -20-10010203040500100020003000400020052009201320172021 Annual % change (lhs) Level (rhs)Westpac forecastsIndex = 1000 in 2005 %yrSources: QVNZ, Westpac EconomicsMonthly house sales and prices (% yr) -20-1001020304002,0004,0006,0008,00010,00012,00014,000 2004 2007 2010 2013 2016 2019 2022 Sales%yr Sales (lhs) House prices (rhs)Source: REINZ Dwelling prices (% change over period) Region Pop’nLast 3 mths (to Sep-22)Last 12 mths (to Sep-22)Last 5 years (to Sep-22) Auckland 1.7mDown 6.0%Up 11%Up 24% Wellington 0.5mDown 4.2%Down 17%Up 47% Canterbury 0.7mDown 3.5%FlatUp 51% Nationwide 5.1mDown 4.5%Down 8%Up 43% Forecast (Annual %)Ave. past 10 years202020212022f2023f2024f Nationwide 10%+17%+27%-11%-4%+1%

67391343451011 Primary industries Construction Electricity, gas, and water Manufacturing Wholesale, retail and accommodation Transport Financial and professional services Public administration Social services (incl. health and education) OtherThe New Zealand economy.123EconomyRegional GDPPopulation 5.1 million.Sources: Stats NZ, Westpac EconomicsNationwide GDP and employment figures are for the year to Dec 2021, regional figures are for the year to March 2020.EconomicsNZ employment by sector (%)Output 2022 -sector shares of GDP (%)Total nominal GDP 2021:$350bnCharts may not add to 100 due to rounding. Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 61019184196188 Primary industries Construction Electricity, gas, and water Manufacturing Wholesale, retail and accommodation Transport Financial and professional services Public administration Social services (incl. health and education) OtherTotal nominal GDP 2019:$303bn Northland, $8bn4%of populationAuckland, $111bn33% of populationWaikato, $26bn10% of populationTaranaki, Whanganui/Manawatu, $20bn8% of populationWellington, $38bn11% of populationBay of Plenty, $17bn7% of populationSouthland, $6bn2% of populationOtago, $13bn5% of populationCanterbury, $37bn13% of populationWest Coast, $2bn1% of populationTasman/Nelson, $5bn2% of populationMarlborough, $3bn1% of population Gisborne/Hawke’s Bay, $10bn5% of population

Appendix and Disclaimer

Appendix 1: Cash earnings adjustments and notable items.1 For further information refer to Westpac’s 2022 Full Year Results Announcement.125Appendix Cash earnings adjustment ($m)2H211H222H22DescriptionReported net profit2,0153,2802,414Net profit attributable to owners of Westpac Banking CorporationFair value (gain)/loss on economic hedges(184)(204)(266)Fair value on economic hedges (which do not qualify for hedge accounting under AAS) comprise:•The unrealised fair value (gain)/loss on foreign exchange hedges of future New Zealand earnings impacting non-interest income is reversed in deriving cash earnings as they may create a material timing difference on reported results but do not affect the Group’s cash earnings over the life of the hedge. Westpac has ceased this activity, and at this stage no further adjustments will be recognised; and•The unrealised fair value (gain)/loss on hedges of accrual accounted term funding transactions are reversed in deriving cash earnings as they may create a material timing difference on reported results but do not affect the Group’s cash earnings over the life of the hedgeIneffective hedges(16)1933The unrealised (gain)/loss on ineffective hedges is reversed in deriving cash earnings because the gain or loss arising from the fair value movement in these hedges reverses over time and does not affect the Group’s profits over timeCash earnings1,8153,0952,181 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Notable items ($m)2H22DescriptionEstimated customer refunds, payments, associated costs and litigation1 (68)$17m decrease in revenue mostly due to additional remediation provisions related to wealth products, $80m increase in costs from our Australian customer remediation program and an increase in litigation costs and provisionsWrite-down of goodwill, intangible and other assets1(129)Write-down of assets from a reduction in corporate office space required. The write-down considers the capitalised value of the remaining term of the lease less likely sublease income, $118m in costs, $82m after tax. Expenses associated with the accelerated consolidation of branches, $66m in costs, $47m after taxAsset sales and revaluations1 (1,089)This includes the loss on sale of Westpac Life Insurance Services Limited of $1,112m in non-interest income, $1,120m after tax. Expenses and revaluations associated with assets sales of $125m, $101m after tax, including those transactions announced in 2H22. A tax refund related to the sale of the Group’s motor vehicle dealer finance and novated leasing business and vendor finance businessesTotal notable items(1,286)

Appendix 2: Cash earnings ex notable items.11261 For further information refer to Westpac’s 2022 Full Year Results Announcement.Appendix Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack 2H21 ($m)1H22 ($m)2H22 ($m)Change 2H22 –1H22 (%)Change 2H22 –2H21 (%)Net interest income8,1898,0218,58574Non-interest income1,8491,7031,586(7)(14)Net operating income10,0389,72410,17151Expenses(5,700)(5,135)(5,035)(2)(12)Core earnings4,3384,5895,1361218Impairment benefit/(charge)218(139)(196)41LargeTax and non-controlling interests (NCI)(1,422)(1,349)(1,473)94Cash earnings3,1343,1013,4671211

Appendix 3: Customer remediation.1 Excludes provisions and costs associated with litigation. Notable items only.AppendixMilestones in FY22•Paid or offered $567 million to approximately 2 million customers•14 major remediation programs were closed127 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Provisions for customer refunds, payments and associated costs 1($m) 20172018201920202021FY22TotalBanking94122362144(135)2589Wealth75146802208251511,533Implementation costs–6223219619532717Cash earningsimpact of above118231977384218601,988 Provisions for customer compensation and associated costsNet provisions raised in FY22 for•Refunds associated with certain ongoing advice fees charged by salaried financial planners and authorised representatives•Additional remediation for wealth products•Costs associated with the implementation and completion of remediation programs•Release of provisions related to Westpac New Zealand

Appendix 4: Portfolio simplification progress.1 The value of capital released also includes the benefit of lower RWA. 2 Reflects the CET1 capital impact upon completion inSecond Half 2022. The accounting loss on sale in Westpac Life Insurance was included in Second Half 2021 notable items impacting the CET1 capital ratio (-4bps) for September 2021. 3 BT personal and corporate superannuation funds. 4 On 22 September2021, Westpac announced that the previously announced proposed sale of Westpac Pacific to Kina Bank was terminated by mutual agreement. Following subsequent consideration of alternative options, a sale appears unlikely in the short to medium term. Transactions completed AnnouncedCompletedDivestment CET1 benefit(bps, $m1)Zip Co Ltd.Oct 2020Oct 2020Realised 8bps, ~$350mCoinbase Inc.May 2021May 2021Realised 7bps, ~$300mWestpac NZ Wealth AdvisoryNov 2020Dec 2020–Westpac General InsuranceDec 2020Jul 2021Realised 12bps, ~$500mVendor FinanceAug 2020Jul 2021Realised 1bp, ~40mWestpac LMIMar 2021Aug 2021Realised 7bps, ~$300mWestpac Life-NZ-LimitedJul 2021Feb 2022Realised 7bps, ~$300mMotor Vehicle FinanceJun 2021Mar 2022Realised 8bps, ~$350mWestpac Life Insurance2Aug 2021Aug 2022Realised 13bps, ~$500mTransactions announcedAnnouncedCompletion expectedAdvance Asset ManagementMay 2022First Half 2023Expected 8bps, ~$350mSuccessor funds transfer (SFT) of Superannuation3May 2022First Half 2023Divestment benefits (should SFT of Superannuation and sale of Advance Asset Management complete)71bps, ~$3,000mOther operations within Specialist Businesses (a range of options under consideration)PlatformsWestpac Pacific4Auto Finance (in run-off)128Appendix Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack128

Appendix 5: Reinventure–investing in fintech businesses.New business models129New technology capabilitiesData, AI and analyticsLogos are of the respective companies. Appendix Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Open Banking API platform that provides connectivity to over 100 financial sources across Australia and NZFull stack payments platform Uses data to shed light on high volume crimes, improving prevention and detectionDigital financial service company offering credit products to tech-savvy Australian consumersand businessesHelps home sellers make decisions about who they choose to sell their propertyBusiness loan marketplace that matches SMEs to the best lender based on their characteristics and needsA payment app for customers when dining out or grabbing a coffee on the go AI-powered, context-as-a-service platform, to deliver personalised experiences to customers B2B platform for physical retail stores that provides insights through their AI engine and in-store sensorsA consumer digital lending platform Conversational voice-based AI for digital interviewing, powered by machine learning Westpac has committed $150m in fintech venture capital funds, managed by ReinventureReinventure enables Westpac to access insights and adjacent business opportunities, both in Australia and offshoreThe model also helps Westpac to source commercial partnerships that create value for customers A leading digital credit platform in Indonesia Empowering banks to connect seamlessly with merchants and their customers Providing digital mortgage broking Enterprise cyber security company that protects businesses from malicious bot attacks Enabling software development teams to scale processes and improve code qualityDigitised debt collection, leveraging modern communications, automation and machine learning A fund of funds for cryptocurrency and blockchain technology Smart receipts that automatically link purchase receipts to customers’ bank accounts Pioneering a new asset class called Tradeable Income Based Securities (TIBS)Creating real-game assets for developers, using blockchain technology Helps banks and fintechs make better decisions using a single API and dashboard to manage KYC/AML and fraud Helping Australians create their wills online A one-click checkout platform transforming online transactions Data-science-as-a-service AI-powered donor scoring software for the NFP sectorAI company that integrates neuroscience into their platform creating capability that not only manages complex problems but is able to form intrinsic relationships with humans

Appendix6: Sustainability.Industry recognition130Sustainability indexesInclusion and diversity recognitionAppendix Member of the DJSIIndicessince2002 Member of the FTSE4Good Index Series, of which Westpac has been a member since 2001 At 2022, Westpac has received an MSCI ESG Rating of A2 Recognised by the Bloomberg Gender Equality Index for the 6thconsecutive year Accredited as Level 1 Activate as a Carer Friendly Employer under the CarersNSWCarers + Employers Program in 20201 Copyright ©2021 Sustainalytics. All rights reserved. This section contains information developed by Sustainalytics(www.sustainalytics.com). Such information and data are proprietary of Sustainalyticsand/or its third party suppliers (Third Party Data) and are provided for informational purposes only. They do not constitute an endorsement of any product or project, nor an investment advice and are not warranted to be complete, timely, accurate or suitable for a particular purpose. Their use is subjectto conditions available at https://www.sustainalytics.com/legal-disclaimers. 2The use by WBC of any MSCI ESG Research LLC or its affiliates (“MSCI”) data, and the use of MSCI logos, trademarks, service marks or index names herein, do not constitute a sponsorship, endorsement, recommendation, or promotion of WBC by MSCI. MSCI services and data are the property of MSCI or its information providers, and are provided ‘as-is’ and without warranty. MSCI names and logos are trademarks or service marks of MSCI.Ranked #1 in the ASX-50 and #2 in the world for transparency and effectiveness of our standalone sustainability Reporting, according to the 2021 Global ESG Monitor Report Rated Prime status of “C” by ISS ESG Achieved highest ISS QualityScorefor Environment and Socialdimensions At March2022, Westpac has received an ESG Risk Rating of 24.2 from Sustainalyticsand was assessed to be at Medium risk of experiencing material financial impacts from ESG factors1 Recognised as Silver Tier Employer in 2021 in the Australian Workplace Equality Index Awards Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

Appendix 6: Sustainability.131Key commitments and partnershipsAppendix Carbon MarketsInstituteCorporateMember UN Environment Program Finance InitiativeFounding Member(1991) Commitment to United Nations Global Compact Signatory (2002), Global Compact Network Australia Founding Member(2009) Principles for ResponsibleInvestmentSignatory(2007) SupplyNation(for Indigenous owned businesses) Founding Member(2010) Australian Industry Energy Transitions InitiativePartner (2022) Social Traders(for social enterprises)(2016) Financial Stability Board’s Task Force on Climate-related Financial Disclosures Align with andsupport UN Sustainable DevelopmentGoalsCEO Statement of Commitment(2016) Climate Action100+Signatory(BT Financial Group 2017) The Montreal CarbonPledgeSignatory(BT FinancialGroup 2014) Paris ClimateAgreementSupporter(2015) United Nations Tobacco-Free Finance pledge Founding Signatory (2018) Australian Sustainable Finance InitiativeFounding Member The EquatorPrinciplesFoundingAdopter,First Australian Bank(2003) Climate BondsInitiativePartner Carbon NeutralCertificationSince2012 (previously NCOS) Principles for ResponsibleBankingSignatory2019 RE100, an initiative of The Climate Group in partnership withCDPMember(2019) HESTA 40:40 VisionSignatory2021 The Valuable 500Signatory 2021 Climate Measurement Standards Initiative (CMSI) IndustryPartner (since 2020) UN WomenPartner2021 Global Investor Statement to Government on the Climate Crisis Signatory (BT Financial Group 2021) Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

Appendix 6: Sustainability –footnotes.132Our commitment to sustainability.1.Figure is cumulative since 2020. New lending represents the total of new and increases in lending commitments,excluding refinances. Taking us to over $3.8 billion towards our target of $15 billion by 2030 and achieving our target of $3.5 billion from 2020 to 2023. Total exposure to climate change solutions is $10.8 billion (TCE at 30 September 2022).2.Lending and investment to climate change solutions is defined as the total direct and indirect financing of customers to the extent they are a) Involved in climate change solutions activities reported in total committed exposures at 30 September; or b) Undertake activities that are over and above what is considered to be business as usual in the relevant industry, and which produce a material net benefit to the environment. For further information on our definition of climate change solutions and climate change solutions activities refer to the Glossary section in our 2022 Sustainability Index and Datasheet.3.Westpac Scholars Trust (ABN 35 600 251 071) is administered by Westpac Scholars Limited (ABN 72 168 847 041) as trustee for the Westpac Scholars Trust. Westpac Scholars Trust is a private charitable trust and neither the Trust nor the Trustee are part oftheWestpac Group. Westpac provides administrative support, skilled volunteering, and funding for operational costs of Westpac Scholars Trust.4.Active scholars refers to the total number of individuals who have been awarded a scholarship and have completed or are in the process of completing their degree or fellowship.5.Taskforce on Nature-related Financial Disclosures (TNFD).6.Committed funding includes future payments for grants that span over multiple years.Our plan to become a net-zero, climate resilient bank.1.Predominantly through a virtual power purchase agreement with BomenSolar Farm in NSW and through other sources including Westpac rooftop solar and Large-Scale Generation Certificates sourced andretired on behalf of Westpac by Lendlease for Westpac’s Barangaroo commercial office tenancy supply.2.Certification is obtained for Westpac’s Australian and New Zealand direct operations under the Australian Government’s Climate Active Carbon Neutral Standard for Organisations and the New Zealand Toitūnet carbonzerocertification respectively. Further information can be found on the Sustainability Performance Reports page on our website.Net-zero, climate resilient operations.1.Excluding financed emissions.2.Certification is obtained for Westpac’s Australian and New Zealand direct operations under the Australian Government’s Climate Active Carbon Neutral Standard for Organisations and the New Zealand Toitūnet carbonzerocertification respectively. Further information can be found on the Sustainability Performance Reports page on our website.3.Predominantly through a virtual power purchase agreement with BomenSolar Farm in NSW and through other sources including Westpac rooftop solar and Large-Scale Generation Certificates sourced andretired on behalf of Westpac by Lendlease for Westpac’s Barangaroo commercial office tenancy supply.4.Greenhouse gas (GHG).5.2022 figures include direct operations in Australia, New Zealand, Fiji, Papua New Guinea, Singapore, United Kingdom, China, Germany and the United States. Reporting boundary expanded since 2021 to include Singapore, China, Germany and the United States.6.Update reflects change in baseline year from 2016 to 2021 only to align with our 2030 sector lending targets baseline. No changeto level of ambition. This target is aligned with a 1.5°C pathway.7.Revised Scope 3 supply chain (non-financed) emissions reductiontarget reflects change in baseline year from 2016 to 2021 and increase in ambition from a ‘well-below 2°C degree’ pathway to a 1.5°C pathway.Supporting customers’ transition to net-zero.1.Over the period 1 October 2017 to 30 September 2022. Based on IJGlobaland Westpac Research data.2.Figure is FY22 result. New lending represents the total of new and increases in lending commitments,excluding refinances. Taking us to over $3.8 billion towards our target of $15 billion by 2030 and achieving our target of $3.5 billion from 2020 to 2023. Total exposure to climate change solutions is $10.8 billion (TCE at 30 September 2022). 3.Lending and investment to climate change solutions is defined as the total direct and indirect financing of customers to the extent they are a) Involved in climate change solutions activities reported in total committed exposures at 30 September; or b) Undertake activities that are over and above what is considered to be business as usual in the relevant industry, and which produce a material net benefit to the environment. For further information on our definition of climate change solutions and climate change solutions activities refer to the Glossary section in our 2022 Sustainability Index and Datasheet.4.WIB and WNZL customers only across multiple currencies and jurisdictions; Sustainable finance transactions include green, social, sustainability, sustainability-linked and re-linked loans and bonds; Total value of Sustainable Financing provided by banks at financial close. This includes the full value of a loan provided and also includesthe full value of bond issued for any Debt Capital Markets (DCM) transaction where Westpac is a Joint Lead Manager (JLM).5.Westpac New Zealand (WNZL) was Sole Sustainability Coordinator for six Sustainability-Linked Loans and Joint Sustainability Coordinator for one Sustainability-Linked Loan. Overall, New Zealand borrowers executed NZD3.98bn of Sustainability-Linked Loans, of which approximately a quarter (NZD0.94bn) sits on WNZL’s Balance Sheet (this includes all known or publicly disclosed transactions to 30 September 2022).6.Acting as Joint Sustainability Coordinator and Lead Arranger. Based on publicly announced transactions in Australia to 12 September 2022. For more information, refer to the media release at https://www.westpac.com.au/about-westpac/media/media-releases/2022/12-september1/ .7.Westpac will start to roll-out the carbon tracking capability to select retail customers from 2023.8.The loan is the first of its kind to require a customer to meet all parts of the Sustainable Agriculture Finance Initiative (SAFI) guidance. This guidance includes practices to reduce emissions and improve long-term climate resilience.9.Westpac believes reducing emissions should be a priority in achieving the transition to net-zero. Carbon offsets and credits arelikely to play a role to supplement decarbonisation in line with climate science where there are limited technological or financially viable alternatives to eliminate emissions.Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackThe information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.

Appendix 6: Sustainability –footnotes.133Targets set for five sectors in our lending portfolio.1.Financed emissions are the Group’s Scope 3 emissions attributable to its lending portfolios. We aim to achieve these targets by 30 September 2030.2.Upstream oil and gas includes exploration, extraction and drilling companies, integrated oil and gas companies (that have upstream activities), and LNG producers. The scope does not include midstream and downstream companies.3.International Energy Agency Net Zero by 2050 (IEA NZE) scenario specifies that no new (greenfield) oil and gas fields are neededbeyond those projects that have already been committed (i.e. approved for development) as of 18 May 2021. The IEA NZE scenario is the International Energy Agency’s Net Zero by 2050: A Roadmap for theGlobal Energy Sector report, 2021.4.Where the Australian or New Zealand Government or regulator determines (or takes a formal public position) that supply from the asset being financed is necessary for national energy security.5.A credible transition plan should be developed by reference to the best available science and should include Scope 1, 2 and 3emissions and actions the company will take to achieve GHG reductions by 2050 aligned with a 1.5°C pathway.6.Companies with >5% of their revenue coming directly from thermal coal mining (i.e. the production and sale of thermal coal). Adjacent sectors (including mining service providers) will be covered in other targets as appropriate. Transactional banking and rehabilitation bonds are excluded from our target. 7.Companies that are electricity generators include customers with >10% revenue coming from power generation or >5% revenues from thermal coal electricity generation. Target excludes electricity transmission / distribution companies and Scope 3 emissions of electricity generators.8.Companies that produce clinker in-house. Target includes emissions generated from calcination in clinker production as well as fuel combustion and electricity consumption associated with the cement production process.9.Discrete borrowers with office properties comprising a majority of their portfolio and with commercial real estate TCE > $75 million within Specialised Lending –Property Finance (Investment only) and Corporate portfolios, as defined under Pillar 3 reporting. This excludes construction finance.10.Base building operational Scope 1 and 2 emissions. Target excludes all Scope 3 emissions (e.g. tenant emissions from electricityand appliance use, construction, embodied emissions and corporate activities).Understanding our financed emissions.1.Financed emissions are the Group’s Scope 3 emissions attributable to its lending portfolios. Refer to our ‘Net-Zero 2030 Targets and Financed Emissions –our methodology and approach’ on our website for more information on our financed emissions analysis, including data sources, assumptions and limitations. Sectors in our financed emissions analysis is based on ANZSIC codes. These sector definitions differ from those used for our 2030 sector targets and Energy Sector Value Chain reporting. 2.Other (non-emissions intensive sectors) includes: accommodation;cafes and restaurants; construction; finance and insurance; property services and business services; services; trade; and undefined ANZSIC.Climate-related metrics.1.All figures in Energy Sector Value Chain diagram are TCE at 30 September 2022. WIB only. Refer to our 2022 Sustainability Index and Datasheet on our website for more information on our Energy Sector Value Chain reporting, including sector scope and definitions. Apart from Thermal coal in FY22, the definitions used for sectors inour Energy Sector Value Chain reporting currently differ from those used for our 2030 sector targets and financed emissions reporting. 2.Oil and gas extraction and Oil and gas exploration sector boundaries are defined based on Australian and New Zealand StandardIndustry Classification (ANZSIC) codes.3.For diversified miners, exposure to coal is apportioned by the percentage EBITDA contribution of coal in the miners’ latest annual financial statements. Thermal coal exposure within diversified miners is immaterial.4.The definition and scope of Thermal coal has been updated for FY22 only to align with the definition used for our 2030 sectortarget. For metrics relating to Thermal coal in FY20 and FY21 the sector definition and scope is detailed in the Glossary section in our 2022 Sustainability Index and Datasheet. Metallurgical coal mining is all othercoal mining. 5.For Oil and gas extraction customers with LNG terminal operations, the exposures to LNG terminals are reported in the Transport category.6.Australia and New Zealand only. These activities include customers with operations in several sectors –TCE is attributed based on business segment contribution.Physical and transition risk metrics.1.‘Higher risk’ were locations where insurance may become more expensive or unavailable.2.Share of Australian mortgage portfolio at 31 August 2022 in locations identified as likely to be exposed to higher physical risks under RCP2.6 and RCP8.5 scenarios by 2050. The change in the exposure of the portfolio from that reported in the 2022 Interim Financial Results is driven by the recent refinement in the methodology usedinthe physical climate risk analysis.3.% of our current lending portfolio exposed to sectors which by 2050 may face relatively higher growth constraints under a 1.5°C scenario; at September 2022.Sustainability Westpac Group 2022 Full Year Results Presentation & Investor Discussion PackThe information on this page contains ‘forward-looking statements’ and statements of expectation reflecting Westpac’s current views on future events. They are subject to change without notice and certain risks, uncertainties and assumptions which are, in many instances, beyond its control. Please refer to the disclaimer at the back of this presentation.

Appendix 7: Definitions –credit quality.134Appendix 90 days past due and not impaired Includes facilities where:Contractual payments of interest and / or principal are 90 or more calendar days overdue, including overdrafts or other revolving facilities that remain continuously outside approved limits by material amounts for 90 or more calendar days (including accounts for customers who have been granted hardship assistance); orAn order has been sought for the customer’s bankruptcy or similar legal action has been instituted which may avoid or delay repayment of its credit obligations; andThe estimated net realisable value of assets / security to which Westpac has recourse is sufficient to cover repayment of all principal and interest, or where there are otherwise reasonable grounds to expect payment in full and interest is being taken to profit on an accrual basis.These facilities, while in default, are not treated as impaired for accounting purposesProvision for expected credit losses (ECL)Expected credit losses (ECL) are a probability-weighted estimate of the cash shortfalls expected to result from defaults over the relevant timeframe. They are determined by evaluating a range of possible outcomes and taking into account the time value of money, past events, current conditions and forecasts of future economic conditionsCollectively assessed provisions (CAPs)Collectively assessed provisions for expected credit loss under AASB 9represent the Expected Credit Loss (ECL) which is collectively assessed inpools of similar assets with similar risk characteristics. This incorporates forward-looking information and does not require an actual loss event to have occurredfor an impairment provision to be recognisedIndividually assessed provisions (IAPs)Provisions raised for losses on loans that are known to be impaired and are assessed on an individual basis. The estimated losses on these impaired loans is based on expected future cash flows discounted to their present value and, as this discount unwinds, interest will be recognised in the income statementStage 1: 12 months ECL –performingFor financial assets where there has been no significant increase in credit risk since origination a provision for 12 months expected credit losses is recognised. Interest revenue is calculated on the gross carrying amount of the financial asset Stage 2: Lifetime ECL –performingFor financial assets where there has been a significant increase in credit risk since origination but where the asset is still performing a provision for lifetime expected losses is recognised. Interest revenue is calculated on the gross carrying amount of the financial assetStage 3 Lifetime ECL –non-performingFor financial assets that are non-performing a provision for lifetime expected losses is recognised. Interest revenue is calculated on the carrying amount net of the provision for ECL rather than the gross carrying amountImpaired assetsIncludes exposures that have deteriorated to the point where full collection of interest and principal is in doubt, based on an assessment of the customer’s outlook, cash flow, and the net realisation of value of assets to which recourse is held:•Facilities 90 days or more past due, and full recovery is in doubt: exposures where contractual payments are 90 or more days in arrears and the net realisable value of assets to which recourse is held may not be sufficient to allow full collection of interest and principal, including overdrafts or other revolving facilities that remain continuously outside approved limits by material amounts for 90 or more calendar days;•Non-accrual facilities: exposures with individually assessed impairment provisions held against them, excluding restructured loans;•Restructured facilities: exposures where the original contractual terms have been formally modified to provide for concessions of interest or principal for reasons related to the financial difficulties of the customer;•Other assets acquired through security enforcement (includes other real estate owned): includes the value of any other assets acquired as full or partial settlement of outstanding obligations through the enforcement of security arrangements; and•Any other facility where the full collection of interest and principal is in doubtStressed exposuresWatchlist and substandard, 90 days past due and not impaired and impaired exposuresTotal committed exposures (TCE)Represents the sum of the committed portion of direct lending (including funds placement overall and deposits placed), contingent and pre-settlement risk plus the committed portion of secondary market trading and underwriting riskWatchlist and substandardLoan facilities where customers are experiencing operating weakness and financial difficulty but are not expected to incur loss of interest or principal Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

Appendix 7: Definitions –segments, earnings drivers, capital and liquidity.135Appendix Capital and liquidityCapital ratiosAs defined by APRA (unless stated otherwise)Committed liquidity facility (CLF)The RBA makes available to Australian Authorised Deposit-taking Institutions(ADIs) a CLF that, subject to qualifying conditions, can be accessed to meet LCRrequirements under APS210 Liquidity. APRA announced in September 2021 that ADIs subject to the LCR should reduce their CLF usage to zero by 1 January 2023.High quality liquid assets (HQLA)Assets which meet APRA’s criteria for inclusion as HQLA in the numerator of the LCRInternationally comparable ratiosInternationally comparable regulatory capital ratios are Westpac’s estimated ratios after adjusting the capital ratios determined under APRA Basel III regulations for various items. Analysis aligns with the APRA study titled “International capital comparison study” dated 13 July 2015Leverage ratioAs defined by APRA (unless stated otherwise). Tier 1 capital divided by ‘exposure measure’ and expressed as a percentage. ‘Exposure measure’ is the sum of on-balance sheet exposures, derivative exposures, securities financing transaction exposures and other off-balance sheet exposuresLiquidity coverage ratio (LCR)An APRA requirement to maintain an adequate level of unencumbered high quality liquid assets, to meet liquidity needs for a 30 calendar day period under an APRA-defined severe stress scenario. Absent a situation of financial stress, the value of the LCR must not be less than 100%, effective 1 January 2015. LCR is calculated as the percentage ratio of stock of HQLA and CLF over the total net cash out-flows in a modelled 30 day defined stressed scenarioNet stable funding ratio (NSFR)The NSFRis defined as the ratio of the amount of available stable funding (ASF) to the amount of required stable funding (RSF) defined by APRA. The amount of ASFis the portion of an ADI’scapital and liabilities expected to be a reliable source of funds over a one year time horizon. The amount of RSF is a function of the liquidity characteristics and residual maturities of an ADI’s assets and off-balance sheet activities. ADI’s must maintain an NSFR of at least 100%Risk weighted assets or RWAAssets (both on and off-balance sheet) are risk weighted according to each asset’s inherent potential for default and what the likely losses would be in case of default. In the case of non-asset-backed risks (ie. market and operational risk), RWA is determined by multiplying the capital requirements for those risks by 12.5 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack SegmentsConsumerConsumer provides banking products and services, including mortgages, credit cards, personal loans, and savings and deposit products to Australian retail customersBusinessBusiness serves the banking needs of Australian small business, Agribusiness and Commercial customersWIBWestpac Institutional Bank (WIB) provides a broad range of financial products and services to corporate, institutional and government customersWestpac NZWestpac New Zealand provides banking, wealth and insurance products and services for consumer, business and institutional customers in New ZealandSpecialist Businesses Specialist Businesses comprises the operations that Westpac has decided to exit. The sale of Westpac Life Insurance Limited was completed in August 2022. In 2022, separate agreements were entered into to merge BT’s personal and corporate superannuation funds through a successor fund transfer as well as the sale of Advance Asset Management. These transactions are subject to regulatory approval, and if granted are expected to complete in 2023. Other operations yet to be sold include the platforms. Special Businesses also manages Westpac Pacific which provides banking in Fiji and Papua New Guinea. The division operates under the Westpac, St.George, BankSA, Bank of Melbourne, and BT brands.Group Businesses or GBGroup Businesses includes support functions such as Treasury, Customer Services and Technology, Corporate Services and Enterprise Services. It also includes Group-wide elimination entries arising on consolidation, centrally raised provisions and other unallocated revenue and expenses Earnings driversAverage interest-earning assets (AIEA)The average balance of assets held by the Group that generate interest income. Where possible, daily balances are used to calculate the average balanceCash earnings per ordinary shareCash earnings divided by the weighted average ordinary shares (cash earnings basis)Core earningsNet operating income less operating expensesFull-time equivalent employees (FTE)A calculation based on the number of hours worked by full and part-time employees as part of their normal duties. For example, the full-time equivalent of one FTE is 76 hours paid work per fortnight

Appendix 7: Definitions –other.136Appendix Branch transactionsBranch transactions are typically withdrawals, deposits, transfers and paymentsCustomer satisfaction or CSATThe Customer Satisfaction score is an average of customer satisfaction ratings of the customer’s main financial institution for consumer or business banking on a scale of 0 to 10 (0 means ‘extremely dissatisfied’ and 10 means ‘extremely satisfied’)CSAT (Main Bank Service Satisfaction) (Westpac NZ)Source: 3 month rolling Retail Market Monitor data (survey conducted by Camorra Research). Respondents are asked to rate the overall level of service they receive from their main bank (self-selected which ONE bank is their main provider of financial services) on a scale of 1 (Poor) to 5 (Excellent). The rating represents % of respondents who scored 4 (Very Good) or 5 (Excellent)CSAT –overall consumerSource: DBM Consultants Consumer Atlas, February 2020 –August 2022, 6MMA. MFI customersCSAT –overall businessSource: DBM Consultants Business Atlas, February 2020 –August 2022, 6MMA. MFI customers, all businessesCSAT –SMESource: DBM Consultants Business Atlas, August 2022 (2H22), February 2022 (1H22), August 2021 (2H21). MFI customers, Total SME businesses. Total SME businesses are those organisations with annual turnover under $5 million (excluding Agribusinesses)Digitally activeAustralian consumer and business customers who have had an authenticated session (including Quickzone) on Westpac Group digital banking platforms in the prior 90 daysDigital salesSales refers to digital sales of consumer core products only. Sales with a funded deposit or activation constitute a quality saleDigital transactionsDigital transactions including payment and transfers that occur on Westpac Live and Compass platforms (excludes payments on other platforms such as Corporate Online and Business Banking Online)MFI shareMFI share results are based on the number of customers who have a Main Financial Institution (MFI) relationship with an institution, as a proportion of the number of customers that have a MFI relationship with any institutionBusiness MFI shareSource: DBM Consultants Business Atlas, August 2022 (2H22), February 2022 (1H22), August 2021 (2H21), 12MMA. MFI Banking Group customers Consumer MFI shareSource: DBM Consultants Consumer Atlas, August 2022 (2H22), February 2022 (1H22), August 2021 (2H21), February 2021 (1H21), 6MMA. MFI Banking Group customersNet Promoter Score or NPSNet Promoter Score measures the net likelihood of recommendation to others of the customer’s main financial institution for retail or business banking. Net Promoter ScoreSMis a trademark of Bain & Co Inc., SatmetrixSystems, Inc., and Mr Frederick Reichheld. Using a 11 point numerical scale where 10 is ‘Extremely likely’ and 0 is ‘Extremely unlikely’, Net Promoter Score is calculated by subtracting the percentage of Detractors (0-6) from the percentage of Promoters (9-10)NPS Agri (Westpac NZ)6 month Agri Market Monitor data (survey conducted by Key Research). Respondents are asked about likelihood to recommend their main business bank to business colleagues, friends or family on a scale of 1 (extremely unlikely) to 10 (extremely likely). Net Promoter Score is represents % of Promoters (recommend score of 9 or 10) minus % of Detractors (recommend score of 1 to 6)NPS Business (Westpac NZ)Source: 6 month rolling Business Finance Monitor data (survey conducted by Kantar TNS among businesses with an annual turnover of $5 to $150 million). Respondents are asked about likelihood to recommend their main business bank to business colleagues and associates on a scale of 1 (extremely unlikely) to 10 (extremely likely). Net Promoter Score is represents % of Promoters (recommend score of 9 or 10) minus % of Detractors (recommend score of 1 to 6)NPS Consumer (Westpac NZ)Source: 3 month rolling Retail Market Monitor data (survey conducted by Camorra Research). Respondents are asked about likelihood to recommend their main bank to family and friends on a scale of 1 (extremely unlikely) to 10 (extremely likely). Net Promoter Score is represents % of Promoters (recommend score of 9 or 10) minus % of Detractors (recommend score of 1 to 6)NPS –overall consumerSource: DBM Consultants Consumer Atlas, February 2020 –August 2022, 6MMA. MFI customersNPS –overall businessSource: DBM Consultants Business Atlas, February 2020 –August 2022, 6MMA. MFI customers, all businessesSt.George(SGB) BrandsSGB Brands (Consumer): St.George Bank, Bank of Melbourne, BankSA, RAMS, DragondirectSGB Brands (Business): St.George Bank, Bank of Melbourne and BankSA Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack

For all shareholding enquiries relating to:•Address details and communication preferences •Updating bank account details, and participation in the dividend reinvestment planInvestor Relations ContactShare Registry Contact For all matters relating to Westpac’s strategy, performance and results 137Contact us. Andrew BowdenGeneral Manager Investor Relations Louise CoughlanHead of Ratings Agencies and Analysis Arthur PetratosManager, Shareholder Services Rebecca PlackettDirector, Corporate Reporting and ESG Andrea JaehneDirector, Ratings Agencies and Analysis Jacqueline BoddyHead of Debt Investor RelationsContact us westpac@linkmarketservices.com.au investorrelations@westpac.com.au investorcentre.linkmarketservices.com.au westpac.com.au/investorcentre 1800 804 255 +61 2 9178 2977Investor Relations Team. James WibberleySenior Analyst Investor Relations Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Catherine GarciaHead of Institutional Investors

Disclaimer.The material contained in this presentation is intended to be general background information on Westpac Banking Corporation (Westpac) and its activities.The information is supplied in summary form and is therefore not necessarily complete. It is not intended that it be relied uponas advice to investors or potential investors, who should consider seeking independent professional advice depending upon their specific investment objectives, financial situation or particular needs. The material contained in this presentation may include information derived from publicly available sources that have not been independently verified. No representation or warranty is made as to the accuracy, completeness or reliabilityof the information.All amounts are in Australian dollars unless otherwise indicated.Unless otherwise noted, financial information in this presentation is presented on a cash earnings basis. Cash earnings is a non-GAAP measure. Refer to Westpac’s 2022 Full Year Financial Results (incorporating the requirements of Appendix 4E) for the year ended 30 September 2022 available at www.westpac.com.au for details of the basis ofpreparation of cash earnings. Refer to page 42 for an explanation of cash earnings and Appendix 1 page 125 for a reconciliation of reported net profit to cash earnings.This presentation contains statements that constitute “forward-looking statements” within the meaning of Section 21E of the US Securities Exchange Act of 1934. Forward-looking statements are statements about matters that are not historical facts. Forward-looking statements appear in a number of places in this presentation and include statements regarding our intent, belief or current expectations with respect to our business and operations, macro and micro economic and market conditions, results of operations and financial condition, capital adequacy and risk management, including, without limitation, future loan loss provisions and financial support to certain borrowers, forecasted economic indicators and performance metric outcomes, indicative drivers, climate-and other sustainability-related statements, commitments, targets, projections and metrics, and other estimated and proxy data.We use words such as ‘will’, ‘may’, ‘expect’, ‘intend’, ‘seek’, ‘would’, ‘should’, ‘could’, ‘continue’, ‘plan’, ‘estimate’, ‘anticipate’, ‘believe’, ‘probability’, ‘indicative’, ‘risk’, ‘aim’, ‘outlook’, ‘forecast’, ‘f’cast’, ‘f’, ‘assumption’, ‘projection’, ‘target’, ‘goal’, ‘guidance’, ‘ambition’, or other similar words to identify forward-looking statements, or otherwise identify forward-looking statements. These forward-looking statements reflect our current views on future events and are subject to change, certain known and unknown risks, uncertainties and assumptions and other factors which are, in many instances, beyond our control (and the control of our officers, employees, agents and advisors), and have been made based on management’s expectations or beliefs concerning future developmentsand their potential effect upon us. Forward-looking statements may also be made, verbally or in writing, by members of Westpac’s management or Board in connection with this presentation. Such statements aresubject to the same limitations, uncertainties, assumptions and disclaimers set out in this presentation. There can be no assurance that future developments or performance will align with our expectations or that the effect of future developments on us will be those anticipated. Actual results could differ materially from those we expect or which are expressed or implied in forward-looking statements, depending on various factors including, but not limited to, those described in the section titled ‘Risk factors' in our 2022 Annual Report available at www.westpac.com.au. When relying on forward-looking statements to make decisions with respect to us, investors and others should carefully consider such factors and other uncertainties and events. Except as required by law, we assume no obligation to revise or update any forward-looking statements contained in this presentation, whether from new information, future events, conditions or otherwise, after the date of this presentation.Further important information regarding climate change and sustainability-related statements This presentation contains forward-looking statements and other representations relating to environment, social and governance (ESG) topics, including but not limited to climate change, net-zero, climate resilience, natural capital, emissions intensity and other sustainability related statements, commitments, targets, projections, scenarios, risk and opportunity assessments, pathways, forecasts, estimated projections and other proxy data. These are subject to known and unknown risks, and there are significant uncertainties, limitations, risks and assumptions in the metrics and modelling on which these statements rely. In particular, the metrics, methodologies and data relating to climate and sustainability are rapidly evolving and maturing, including variations in approaches and common standards in estimating and calculating emissions, and uncertainty around future climate and sustainability related policy and legislation. There are inherent limits in the current scientific understanding of climate change and its impacts. Some material contained in this presentation may include information including, without limitation, methodologies, modelling, scenarios, reports, benchmarks,tools and data, derived from publicly available or government or industry sources that have not been independently verified. No representation or warranty is made as to the accuracy, completeness or reliability of such information. There is a risk that the estimates, judgements, assumptions, views, models, scenarios or projections used may turn out to be incorrect. These risks may cause actual outcomes, including the ability to meetcommitments and targets, to differ materially from those expressed or implied in this presentation. The climate and sustainability related forward-looking statements made in this presentation are not guarantees or predictions of future performance and Westpac gives no representation, warranty or assurance (including as to the quality, accuracy or completeness of these statements), nor guarantee that the occurrence of the events expressed or implied in any forward-looking statement will occur. There are usually differences between forecast and actual results because events and actual circumstances frequently do not occur as forecast and these differences may be material. Westpac will continue to review and develop its approach to ESG as this subject area matures. Disclaimer138 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack