Issuer:

Westpac Banking Corporation

Principal Amount:

US$1,250,000,000

Ranking:

Senior Unsecured

Expected Ratings:

Aa2/AA-; Stable/Stable (Moody’s/S&P)

Legal Format:

SEC Registered Global Notes

Trade Date:

August 6, 2012

Settlement Date:

August 14, 2012 (T+6)

Maturity Date:

August 14, 2017

Coupon:

2.0%

Price to Public:

99.929%

Benchmark Treasury:

0.5% due July 2017

Benchmark Treasury Spot and Yield:

99.10 / 0.64%

Re-offer Spread to Benchmark Treasury:

137.5 basis points

Re-offer Yield:

2.015%

Gross Spread:

35 basis points

All-in Price:

99.579%

Interest Payment Dates:

Payable semi-annually in arrears on February 14 and August 14 of each year, commencing February 14, 2013, subject to Business Day Convention

Day Count Convention:

30/360, unadjusted

Net Proceeds:

US$1,244,737,500

Business Days:

Each Monday, Tuesday, Wednesday, Thursday and Friday that is not a day on which banking institutions in Sydney, Australia, New York, New York, or London, United Kingdom are authorized or obligated by law or executive order to close

Business Day Convention:

Any payment of principal, premium and interest required to be made on an Interest Payment Date that is not a Business Day will be made on the next succeeding Business Day, and no interest will accrue on that payment for the period from and after the Interest Payment Date to the date of payment on the next succeeding Business Day

Denominations:

Minimum of US$2,000 with increments of US$1,000 thereafter

CUSIP:

961214 BV4

ISIN:

US961214BV49

Joint Active Bookrunners:

Deutsche Bank Securities Inc.

J.P. Morgan Securities LLC