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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-Q
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2021

OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________to________

Commission file number: 001-35418
epam-20210630_g1.jpg
EPAM SYSTEMS, INC.
(Exact name of registrant as specified in its charter)
Delaware22-3536104
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)
41 University DriveSuite 20218940
NewtownPennsylvania
(Address of principal executive offices)(Zip code)
267-759-9000
(Registrant’s telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading Symbol Name of Each Exchange on which Registered
Common Stock, par value $0.001 per shareEPAM New York Stock Exchange
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  No 
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  No 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes      No  
Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.
Title of Each Class
Outstanding as of July 31, 2021
Common Stock, par value $0.001 per share
56,630,464 shares



EPAM SYSTEMS, INC.

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PART I. FINANCIAL INFORMATION
Item 1. Financial Statements (Unaudited)
EPAM SYSTEMS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED BALANCE SHEETS
(Unaudited)
(In thousands, except par value)
 As of
June 30,
2021
As of
December 31,
2020
Assets
Current assets
Cash and cash equivalents$1,283,233 $1,322,143 
Short-term investments 60,007 
Trade receivables and contract assets, net of allowance of $7,647 and $4,886, respectively
682,236 501,062 
Prepaid and other current assets72,549 29,570 
Total current assets2,038,018 1,912,782 
Property and equipment, net173,545 169,533 
Operating lease right-of-use assets, net196,572 228,672 
Intangible assets, net65,130 51,975 
Goodwill335,477 211,956 
Deferred tax assets96,115 92,454 
Other noncurrent assets56,758 53,960 
Total assets$2,961,615 $2,721,332 
Liabilities  
Current liabilities  
Accounts payable$9,712 $10,189 
Accrued compensation and benefits expenses309,328 294,709 
Accrued expenses and other current liabilities109,148 79,690 
Short-term debt25,000  
Income taxes payable, current16,939 20,603 
Operating lease liabilities, current52,821 60,759 
Total current liabilities522,948 465,950 
Long-term debt29 25,038 
Income taxes payable, noncurrent41,012 43,448 
Operating lease liabilities, noncurrent151,985 180,604 
Other noncurrent liabilities32,973 23,274 
Total liabilities748,947 738,314 
Commitments and contingencies (Note 12)
Stockholders’ equity  
Common stock, $0.001 par value; 160,000 shares authorized; 56,633 and 56,128 shares issued, 56,613 and 56,108 shares outstanding at June 30, 2021 and December 31, 2020, respectively
57 56 
Additional paid-in capital670,264 660,771 
Retained earnings1,571,597 1,347,880 
Treasury stock(177)(177)
Accumulated other comprehensive loss(29,073)(25,512)
Total stockholders’ equity2,212,668 1,983,018 
Total liabilities and stockholders’ equity$2,961,615 $2,721,332 

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.
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EPAM SYSTEMS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
(Unaudited)
(In thousands, except per share data)
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Revenues$881,366 $632,383 $1,662,141 $1,283,742 
Operating expenses:
Cost of revenues (exclusive of depreciation and amortization)
583,728 419,540 1,103,056 843,342 
Selling, general and administrative expenses151,910 114,191 288,299 239,299 
Depreciation and amortization expense20,454 15,226 38,261 30,166 
Income from operations125,274 83,426 232,525 170,935 
Interest and other income, net2,580 1,817 7,954 4,203 
Foreign exchange loss(4,693)(9,167)(2,394)(2,643)
Income before provision for income taxes123,161 76,076 238,085 172,495 
Provision for income taxes8,490 9,452 14,368 20,306 
Net income$114,671 $66,624 $223,717 $152,189 
Net income per share:
Basic$2.03 $1.20 $3.97 $2.74 
Diluted$1.94 $1.14 $3.80 $2.62 
Shares used in calculation of net income per share:
Basic56,463 55,701 56,317 55,494 
Diluted59,011 58,246 58,896 58,194 

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

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EPAM SYSTEMS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(Unaudited)
(In thousands)
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Net income$114,671 $66,624 $223,717 $152,189 
Other comprehensive income/(loss):
Change in foreign currency translation adjustments, net of tax9,637 12,442 (894)(16,077)
Change in unrealized gain/(loss) on hedging instruments, net of tax2,040 6,446 (2,041)(2,922)
Defined benefit pension plans - actuarial loss, net of tax  (626) 
Other comprehensive income/(loss)11,677 18,888 (3,561)(18,999)
Comprehensive income$126,348 $85,512 $220,156 $133,190 

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.
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EPAM SYSTEMS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN
STOCKHOLDERS’ EQUITY
(Unaudited)
(In thousands) 
 Common StockAdditional Paid-in CapitalRetained EarningsTreasury StockAccumulated Other Comprehensive (Loss)/IncomeTotal Stockholders’ Equity
SharesAmountSharesAmount
Balance, January 1, 2021
56,108 $56 $660,771 $1,347,880 20 $(177)$(25,512)$1,983,018 
Restricted stock units vested
248 — — — — — — — 
Restricted stock units withheld for employee taxes
(84)— (31,935)— — — — (31,935)
Stock-based compensation expense
 — 14,624 — — — — 14,624 
Proceeds from stock option exercises
109 — 4,424 — — — — 4,424 
Other comprehensive loss— — — — — — (15,238)(15,238)
Net income
— — — 109,046 — — — 109,046 
Balance, March 31, 202156,381 $56 $647,884 $1,456,926 $20 $(177)$(40,750)$2,063,939 
Restricted stock units vested
19 — — — — — — — 
Restricted stock units withheld for employee taxes
(6)— (2,631)— — — — (2,631)
Stock-based compensation expense
— — 13,792 — — — — 13,792 
Proceeds from stock option exercises
219 1 11,219 — — — — 11,220 
Other comprehensive income— — — — — — 11,677 11,677 
Net income
— — — 114,671 — — — 114,671 
Balance, June 30, 202156,613 $57 $670,264 $1,571,597 20 $(177)$(29,073)$2,212,668 

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 Common StockAdditional Paid-in CapitalRetained EarningsTreasury StockAccumulated Other Comprehensive (Loss) / IncomeTotal Stockholders’ Equity
SharesAmountSharesAmount
Balance, January 1, 2020
55,188 $55 $607,051 $1,020,590 20 $(177)$(31,374)$1,596,145 
Cumulative effect of adoption of ASU 2016-13— — — 130 — — — 130 
Adjusted Balance, January 1, 2020
55,188 $55 $607,051 $1,020,720 20 $(177)$(31,374)$1,596,275 
Restricted stock units vested
274 — — — — — — — 
Restricted stock units withheld for employee taxes
(90)— (15,822)— — — — (15,822)
Stock-based compensation expense
— — 12,210 — — — — 12,210 
Proceeds from stock option exercises
217 1 7,140 — — — — 7,141 
Other comprehensive loss— — — — — — (37,887)(37,887)
Net income
— — — 85,565 — — — 85,565 
Balance, March 31, 202055,589 $56 $610,579 $1,106,285 20 $(177)$(69,261)$1,647,482 
Restricted stock units vested
19 — — — — — — — 
Restricted stock units withheld for employee taxes
(6)— (1,169)— — — — (1,169)
Stock-based compensation expense
— — 11,153 — — — — 11,153 
Proceeds from stock option exercises
224  10,116 — — — — 10,116 
Other comprehensive income— — — — — — 18,888 18,888 
Net income
— — — 66,624 — — — 66,624 
Balance, June 30, 202055,826 $56 $630,679 $1,172,909 20 $(177)$(50,373)$1,753,094 

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.
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EPAM SYSTEMS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited)
(In thousands)
                                               Six Months Ended June 30,
 20212020
Cash flows from operating activities:
Net income$223,717 $152,189 
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense38,261 30,166 
Operating lease right-of-use assets amortization expense31,496 33,834 
Bad debt expense2,828 3,174 
Deferred taxes1,176 2,971 
Stock-based compensation expense48,451 31,320 
Other(5,190)4,458 
Changes in assets and liabilities:  
Trade receivables and contract assets(168,038)(11,842)
Prepaid and other assets(7,795)1,216 
Accounts payable(3,948)633 
Accrued expenses and other liabilities(6,772)(5,835)
Operating lease liabilities(32,276)(30,857)
Income taxes payable(40,247)(2,016)
Net cash provided by operating activities81,663 209,411 
Cash flows from investing activities:  
Purchases of property and equipment(33,773)(40,524)
Purchases of short-term investments (60,000)
Proceeds from short-term investments60,000  
Acquisition of business, net of cash acquired (Note 2)(121,252)(12,573)
Purchases of non-marketable securities(2,544)(20,500)
Other investing activities, net179 26 
Net cash used in investing activities(97,390)(133,571)
Cash flows from financing activities:  
Proceeds from stock option exercises15,610 17,144 
Payments of withholding taxes related to net share settlements of restricted stock units(33,696)(15,899)
Payment of contingent consideration for previously acquired business(1,047)(7,869)
Other financing activities, net137 (24)
Net cash used in financing activities(18,996)(6,648)
Effect of exchange rate changes on cash, cash equivalents and restricted cash(3,761)(11,999)
Net (decrease)/increase in cash, cash equivalents and restricted cash(38,484)57,193 
Cash, cash equivalents and restricted cash, beginning of period1,323,533 937,688 
Cash, cash equivalents and restricted cash, end of period$1,285,049 $994,881 


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EPAM SYSTEMS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited)
(In thousands)
(Continued)
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheets:
                                               As of
June 30,
2021
As of
December 31,
2020
Balance sheet classification
    Cash and cash equivalents$1,283,233 $1,322,143 
Restricted cash in Prepaid and other current assets451 106 
  Restricted cash in Other noncurrent assets1,365 1,284 
    Total restricted cash1,816 1,390 
        Total cash, cash equivalents and restricted cash$1,285,049 $1,323,533 

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.
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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)
(In thousands, except per share data and as otherwise disclosed) 
 
1.BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
EPAM Systems, Inc. (the “Company” or “EPAM”) is a leading global provider of digital platform engineering and software development services to customers located around the world, primarily in North America, Europe, Asia and Australia. The Company’s industry expertise includes financial services, travel and consumer, software and hi-tech, business information and media, life sciences and healthcare, as well as other emerging industries. The Company is incorporated in Delaware with headquarters in Newtown, Pennsylvania.
Basis of Presentation — The accompanying unaudited condensed consolidated financial statements of EPAM have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP” or “U.S. GAAP”) and Article 10 of Regulation S-X under the Securities Exchange Act of 1934, as amended. The unaudited condensed consolidated financial statements include the financial statements of EPAM Systems, Inc. and its subsidiaries with all intercompany balances and transactions eliminated.
These unaudited condensed consolidated financial statements and accompanying notes should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto for the year ended December 31, 2020 included in its Annual Report on Form 10-K. The preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in these condensed consolidated financial statements and accompanying notes. Actual results could differ from those estimates, and such differences may be material to the condensed consolidated financial statements. Operating results for the interim periods are not necessarily indicative of results that may be expected to occur for the entire year. In management’s opinion, all adjustments considered necessary for a fair presentation of the accompanying unaudited condensed consolidated financial statements have been included, and all adjustments are of a normal and recurring nature.
Adoption of New Accounting Standards
The adoption of new accounting standards did not have a material impact on the Company’s consolidated financial position, results of operations, changes in stockholders’ equity and cash flows.
Pending Accounting Standards
From time to time, new accounting pronouncements are issued by the FASB or other standards-setting bodies that the Company will adopt according to the various timetables the FASB specifies. The Company believes the impact of recently issued standards that are not yet effective will not have a material impact on its consolidated financial position, results of operations and cash flows upon adoption.

2.ACQUISITIONS
PolSource — On April 2, 2021, the Company acquired 100% of PolSource S.A. and its subsidiaries, a Salesforce Platinum Consulting Partner with more than 350 experienced Salesforce specialists for a purchase price of $136.7 million including contingent consideration with an acquisition-date fair value of $25.0 million. The Company could pay up to $45.0 million in contingent consideration and the actual future payout is subject to attainment of certain revenue, earnings and operational targets.
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The following table summarizes the estimated fair values of the assets acquired and liabilities assumed as of the date of acquisition for PolSource:
PolSource
Cash and cash equivalents$2,565 
Trade receivables and contract assets13,653 
Prepaid and other current assets756 
Goodwill113,528 
Intangible assets15,290 
Property and equipment and other noncurrent assets422 
Total assets acquired$146,214 
Accounts payable, accrued expenses and other current liabilities$5,247 
Other noncurrent liabilities4,297 
Total liabilities assumed$9,544 
Net assets acquired$136,670 
For the acquisition of PolSource, the estimated fair values of the assets acquired and liabilities assumed are provisional and based on the information that was available as of the acquisition date. The Company expects to complete the purchase price allocations as soon as practicable but no later than one year from the acquisition date.
As of June 30, 2021, the following table presents the estimated fair values and useful lives of intangible assets acquired from PolSource:
PolSource
Weighted Average Useful Life (in years)Amount
Customer relationships6$14,390 
Trade names3900 
Total$15,290 
The goodwill recognized as a result of the PolSource acquisition is attributable to synergies expected to be achieved by combining the businesses of EPAM and PolSource, expected future contracts, the assembled workforce acquired and other factors. This goodwill is not expected to be deductible for income tax purposes.
Revenues generated by PolSource included in the Company’s consolidated statements of income totaled $16.6 million during the three and six months ended June 30, 2021.
The Company recognized acquisition-related costs associated with the PolSource acquisition during the three and six months ended June 30, 2021 totaling $0.4 million and $1.4 million, respectively. These costs are included in Selling, general and administrative expenses in the accompanying consolidated statements of income.
Pro forma results of operations have not been presented because the effect of the acquisition of PolSource and its subsidiaries on the Company’s condensed consolidated financial statements was not material.
Other 2021 Acquisitions — During the three months ended June 30, 2021, the Company completed two additional acquisitions with an aggregate purchase price of $17.1 million including contingent consideration with an acquisition-date fair value of $3.4 million. The Company could pay up to $10.8 million in contingent consideration and the actual future payout is subject to attainment of specified performance targets during the periods ranging from 12 months to 24 months after the respective acquisition dates. These acquisitions increased EPAM’s e-platform offerings and expanded the Company’s geographical reach, as well as added $5.1 million in intangible assets, consisting mainly of customer relationships. Revenues generated by these Other 2021 acquisitions totaled $2.0 million during the three months ended June 30, 2021. Pro forma results of operations have not been presented because the effect of these acquisitions on the Company’s consolidated financial statements was not material individually or in the aggregate.
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2020 Acquisitions — During the year ended December 31, 2020, the Company completed two acquisitions with an aggregate purchase price of $22.5 million including contingent consideration with an acquisition-date fair value of $5.3 million. The Company committed to making contingent consideration payments with a maximum amount payable of $18.6 million subject to attainment of specified performance targets in the first and second calendar years after the respective acquisition dates. These acquisitions increased EPAM’s software and service capabilities and expanded EPAM’s offerings in financial services as well as added $7.3 million of intangible assets, consisting mainly of customer relationships. Pro forma results of operations have not been presented because the effect of these acquisitions on the Company’s condensed consolidated financial statements was not material individually or in the aggregate.

3.GOODWILL
Goodwill by reportable segment was as follows:
North AmericaEuropeRussiaTotal
Balance as of January 1, 2021
$121,132 $90,106 $718 $211,956 
PolSource acquisition68,117 45,411  113,528 
Other 2021 acquisitions4,609 5,716  10,325 
2020 acquisitions purchase accounting adjustments (24) (24)
Effect of net foreign currency exchange rate changes(146)(166)4 (308)
Balance as of June 30, 2021
$193,712 $141,043 $722 $335,477 
There were no accumulated impairment losses in the North America or Europe reportable segments as of June 30, 2021 or December 31, 2020. The Russia segment had accumulated goodwill impairment losses of $2.2 million as of June 30, 2021 and December 31, 2020.

4.FAIR VALUE MEASUREMENTS
The Company carries certain assets and liabilities at fair value on a recurring basis on its consolidated balance sheets. The following tables present the fair values of the Company’s financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2021 and December 31, 2020:
As of June 30, 2021
BalanceLevel 1Level 2Level 3
Foreign exchange derivative assets$3,049 $ $3,049 $ 
Total assets measured at fair value on a recurring basis$3,049 $ $3,049 $ 
Foreign exchange derivative liabilities$975 $ $975 $ 
Contingent consideration29,167   29,167 
Total liabilities measured at fair value on a recurring basis
$30,142 $ $975 $29,167 
As of December 31, 2020
BalanceLevel 1Level 2Level 3
Foreign exchange derivative assets$4,955 $ $4,955 $ 
Total assets measured at fair value on a recurring basis$4,955 $ $4,955 $ 
Foreign exchange derivative liabilities$243 $ $243 $ 
Contingent consideration7,470   7,470 
Total liabilities measured at fair value on a recurring basis
$7,713 $ $243 $7,470 
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The foreign exchange derivatives are valued using pricing models and discounted cash flow methodologies based on observable foreign exchange data at the measurement date. See Note 5 “Derivative Financial Instruments” in the condensed consolidated interim financial statements for additional information regarding derivative financial instruments.
The Company determines the fair value of the contingent consideration liabilities using Monte Carlo simulations (which involve a simulation of future revenues and earnings during the earn-out period using management's best estimates) or probability-weighted expected return methods. Changes in financial projections, market risk assumptions, discount rates or probability assumptions related to achieving the various earn-out criteria would result in a change in the fair value of contingent consideration. Such changes, if any, are recorded within Interest and other income, net in the Company’s condensed consolidated statements of income.
The fair value of the contingent consideration for the PolSource acquisition attributable to future revenues and earnings was measured utilizing a Monte Carlo simulation, based on future revenue and earnings projections of the business, revenue volatility and asset volatility of comparable companies, and a discount rate. The discount rate used to determine the fair value of this contingent consideration was 0.4%.
The fair value of the contingent consideration for the PolSource acquisition attributable to future operating metrics was measured using a probability-weighted expected return method, based on the expected future payments using the earnout formula and performance targets specified in the purchase agreement and adjusting those estimates to reflect the probability of their achievement. The weighted-average estimated future payments were then discounted to present value using a rate based on EPAM’s cost of debt. The discount rate used to determine the fair value of this contingent consideration was 0.4%.
The fair value of the contingent consideration for all other acquisitions was determined using a probability-weighted expected return method and is based on the expected future payments to be made to the sellers of the acquired businesses in accordance with the provisions outlined in the respective purchase agreements. Although there is significant judgment involved, the Company believes its estimates and assumptions are reasonable. In determining fair value, the Company considered a variety of factors, including future performance of the acquired businesses using financial projections developed by the Company and market risk assumptions that were derived for revenue growth and earnings before interest and taxes. The Company estimated future payments using the earnout formula and performance targets specified in the purchase agreements and adjusted those estimates to reflect the probability of their achievement. Those weighted-average estimated future payments were then discounted to present value using a rate based on the weighted-average cost of capital of guideline companies. The discount rates used to determine the fair value of contingent consideration for the 2020 Acquisitions ranged from a minimum of 15.5% to a maximum of 17.5%.
A reconciliation of the beginning and ending balances of Level 3 acquisition-related contingent consideration using significant unobservable inputs for the six months ended June 30, 2021 is as follows:
Amount
Contingent consideration liabilities as of January 1, 2021
$7,470 
Payment of contingent consideration for previously acquired businesses(1,000)
PolSource acquisition25,000 
Other 2021 acquisitions3,366 
Changes in fair value of contingent consideration included in Interest and other income, net (5,636)
Effect of net foreign currency exchange rate changes(33)
Contingent consideration liabilities as of June 30, 2021
$29,167 
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Financial Assets and Liabilities Not Measured at Fair Value on a Recurring Basis
Estimates of fair value of financial instruments not carried at fair value on a recurring basis on the Company’s consolidated balance sheets are generally subjective in nature and are determined as of a specific point in time based on the characteristics of the financial instruments and relevant market information. The generally short maturities of certain assets and liabilities result in a number of assets and liabilities for which fair value equals or closely approximates the amount recorded on the Company’s condensed consolidated balance sheets. The following tables present the estimated fair values of the Company’s financial assets and liabilities not measured at fair value on a recurring basis as of the dates indicated:
Fair Value Hierarchy
BalanceEstimated Fair ValueLevel 1Level 2Level 3
June 30, 2021
Financial Assets:
Cash equivalents:
Money market funds$116,212 $116,212 $116,212 $ $ 
Total cash equivalents$116,212 $116,212 $116,212 $ $ 
Restricted cash$1,816 $1,816 $1,816 $ $ 
Employee loans$579 $579 $ $ $579 
Financial Liabilities:
Borrowings under the 2017 Credit Facility$25,007 $25,007 $ $25,007 $ 
Fair Value Hierarchy
BalanceEstimated Fair ValueLevel 1Level 2Level 3
December 31, 2020
Financial Assets:
Cash equivalents:
Money market funds$153,783 $153,783 $153,783 $ $ 
Total cash equivalents$153,783 $153,783 $153,783 $ $ 
Restricted cash$1,390 $1,390 $1,390 $ $ 
Time deposits included in Short-term investments$60,007 $60,007 $ $60,007 $ 
Employee loans$794 $794 $ $ $794 
Financial Liabilities:
Borrowings under the 2017 Credit Facility$25,007 $25,007 $ $25,007 $ 
Non-Marketable Securities Without Readily Determinable Fair Values
The Company holds investments in equity securities that do not have readily determinable fair values. These investments are recorded at cost and are remeasured to fair value based on certain observable price changes or impairment events as they occur. The carrying amount of these investments was $27.5 million and $25.0 million as of June 30, 2021 and December 31, 2020, respectively and is classified as Other noncurrent assets in the Company’s condensed consolidated balance sheets.

5.DERIVATIVE FINANCIAL INSTRUMENTS
In the normal course of business, the Company uses derivative financial instruments to manage the risk of fluctuations in foreign currency exchange rates. The Company has a hedging program whereby it enters into a series of foreign exchange forward contracts with durations of twelve months or less that are designated as cash flow hedges of forecasted Russian ruble, Polish zloty and Indian rupee transactions. As of June 30, 2021, all of the Company’s foreign exchange forward contracts were designated as hedges and there is no financial collateral (including cash collateral) required to be posted by the Company related to the foreign exchange forward contracts.
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The fair value of derivative instruments on the Company’s consolidated balance sheets as of June 30, 2021 and December 31, 2020 were as follows:
As of June 30, 2021As of December 31, 2020
Balance Sheet ClassificationAsset DerivativesLiability DerivativesAsset DerivativesLiability Derivatives
Foreign exchange forward contracts -
Designated as hedging instruments
Prepaid expenses and other current assets$3,049 $4,955 
Accrued expenses and other current liabilities$975 $243 
6.LEASES
The Company leases office space, corporate apartments, office equipment, and vehicles. Many of the Company’s leases contain variable payments including changes in base rent and charges for common area maintenance or other miscellaneous expenses. Due to this variability, the cash flows associated with these variable payments are not included in the minimum lease payments used in determining the right-of-use assets and associated lease liabilities and are recognized in the period in which the obligation for such payments is incurred. The Company’s leases have remaining lease terms ranging from 0.1 to 9.9 years. Certain lease agreements, mainly for office space, include options to extend or terminate the lease before the expiration date. The Company considers such options when determining the lease term when it is reasonably certain that the Company will exercise that option. The Company leases and subleases a portion of its office space to third parties. Lease income and sublease income were immaterial for the three and six months ended June 30, 2021 and 2020.
During the three and six months ended June 30, 2021 and 2020, the components of lease expense were as follows:
 Three Months Ended
June 30,
Six Months Ended
June 30,
Income Statement Classification2021202020212020
Operating lease costSelling, general and administrative expenses$17,245 $18,851 $34,501 $37,714 
Variable lease costSelling, general and administrative expenses1,656 579 3,916 3,214 
Short-term lease costSelling, general and administrative expenses336 269 514 809 
Total lease cost$19,237 $19,699 $38,931 $41,737 
Supplemental cash flow information related to leases for the three and six months ended June 30, 2021 and 2020 was as follows:
Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating leases$17,774 $16,481 $35,419 $33,372 
Right-of-use assets obtained in exchange for lease obligations:
Operating leases$1,639 $11,676 $1,677 $42,928 
Non-cash net decrease due to lease modifications:
Operating lease right-of-use assets$(813)$(8,566)$(1,879)$(3,982)
Operating lease liabilities$(813)$(8,562)$(1,879)$(3,989)
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Weighted average remaining lease term and discount rate as of June 30, 2021 and 2020 were as follows:
 As of June 30, 2021As of June 30, 2020
Weighted average remaining lease term, in years:
Operating leases5.86.0
Weighted average discount rate:
Operating leases2.6 %3.2 %
As of June 30, 2021, operating lease liabilities will mature as follows:
Year ending December 31,Lease Payments
2021 (excluding six months ended June 30, 2021)
$31,405 
202247,210 
202336,440 
202431,115 
202522,471 
Thereafter51,040 
Total lease payments219,681 
Less: imputed interest(14,875)
Total$204,806 
The Company had committed to payments of $0.6 million related to operating lease agreements that had not yet commenced as of June 30, 2021. These operating leases will commence on various dates during 2021 with lease terms ranging from 2.0 to 2.8 years. The Company did not have any material finance lease agreements that had not yet commenced.

7.DEBT
Revolving Line of Credit — On May 24, 2017, the Company entered into an unsecured credit facility (the “2017 Credit Facility”), as may be amended from time to time, with PNC Bank, National Association; PNC Capital Markets LLC; Citibank N.A.; Wells Fargo Bank, National Association; Fifth Third Bank and Santander Bank, N.A. (collectively the “Lenders”). The 2017 Credit Facility provides for a borrowing capacity of $300.0 million, with potential to increase the borrowing capacity up to $400.0 million if certain conditions are met. The 2017 Credit Facility matures on May 24, 2022.
Borrowings under the 2017 Credit Facility may be denominated in U.S. dollars or up to a maximum of $100.0 million equivalent in British pounds sterling, Canadian dollars, euros or Swiss francs and other currencies as may be approved by the administrative agent and the Lenders. Borrowings under the 2017 Credit Facility bear interest at either a base rate or Euro-rate plus a margin based on the Company’s leverage ratio. The base rate is equal to the highest of (a) the Overnight Bank Funding Rate, plus 0.5%, (b) the Prime Rate, and (c) the Daily LIBOR Rate, plus 1.0%. As of June 30, 2021, the Company’s outstanding borrowings are subject to a LIBOR-based interest rate which resets regularly at issuance, based on lending terms.
The 2017 Credit Facility includes customary business and financial covenants that may restrict the Company’s ability to make or pay dividends (other than certain intercompany dividends) if a potential or an actual event of default has occurred or would be triggered. As of June 30, 2021, the Company was in compliance with all covenants contained in the 2017 Credit Facility.
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The following table presents the outstanding debt and borrowing capacity of the Company under the 2017 Credit Facility:
 As of
June 30,
2021
As of
December 31,
2020
Outstanding debt$25,000 $25,000 
Interest rate1.1 %1.2 %
Available borrowing capacity$275,000 $275,000 
Current maximum borrowing capacity$300,000 $300,000 

8.REVENUES
Disaggregation of Revenues
The following tables present the disaggregation of the Company’s revenues by customer location, including a reconciliation of the disaggregated revenues with the reportable segments (Note 13 “Segment Information”) for the periods indicated:
Three Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Customer Locations
North America$508,330 $18,036 $1,032 $527,398 
Europe21,615 269,596 70 291,281 
CIS1,410  36,293 37,703 
APAC667 24,317  24,984 
        Revenues$532,022 $311,949 $37,395 $881,366 
Six Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Customer Locations
North America$963,097 $32,699 $1,923 $997,719 
Europe39,370 511,150 133 550,653 
CIS3,266 14 64,557 67,837 
APAC1,142 44,790  45,932 
        Revenues$1,006,875 $588,653 $66,613 $1,662,141 

Three Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Customer Locations
North America$370,693 $10,835 $408 $381,936 
Europe11,195 199,866 3 211,064 
CIS2,236 4 19,838 22,078 
APAC705 16,600  17,305 
        Revenues$384,829 $227,305 $20,249 $632,383 

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Six Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Customer Locations
North America$748,477 $21,254 $2,035 $771,766 
Europe21,527 412,588 6 434,121 
CIS4,790 16 42,132 46,938 
APAC1,137 29,780  30,917 
        Revenues$775,931 $463,638 $44,173 $1,283,742 
The following tables present the disaggregation of the Company’s revenues by industry vertical, including a reconciliation of the disaggregated revenues with the reportable segments (Note 13 “Segment Information”) for the periods indicated:
Three Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Industry Verticals
Financial Services$83,342 $85,965 $24,631 $193,938 
Travel & Consumer85,075 79,731 6,739 171,545 
Software & Hi-Tech134,638 23,934 590 159,162 
Business Information & Media92,379 65,032 436 157,847 
Life Sciences & Healthcare80,712 10,780 204 91,696 
Emerging Verticals55,876 46,507 4,795 107,178 
        Revenues$532,022 $311,949 $37,395 $881,366 
Six Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Industry Verticals
Financial Services$153,082 $164,005 $45,709 $362,796 
Travel & Consumer154,504 144,355 11,697 310,556 
Software & Hi-Tech260,224 44,907 1,095 306,226 
Business Information & Media179,584 125,189 823 305,596 
Life Sciences & Healthcare156,301 26,131 379 182,811 
Emerging Verticals103,180 84,066 6,910 194,156 
        Revenues$1,006,875 $588,653 $66,613 $1,662,141 


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Three Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Industry Verticals
Financial Services$47,687 $66,655 $13,633 $127,975 
Travel & Consumer52,193 51,253 3,824 107,270 
Software & Hi-Tech100,801 18,165 519 119,485 
Business Information & Media81,481 58,338 439 140,258 
Life Sciences & Healthcare61,776 7,069 39 68,884 
Emerging Verticals40,891 25,825 1,795 68,511 
        Revenues$384,829 $227,305 $20,249 $632,383 
Six Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Industry Verticals
Financial Services$95,555 $134,249 $29,814 $259,618 
Travel & Consumer106,917 112,320 7,563 226,800 
Software & Hi-Tech202,538 36,311 2,485 241,334 
Business Information & Media161,701 116,484 799 278,984 
Life Sciences & Healthcare123,387 14,688 48 138,123 
Emerging Verticals85,833 49,586 3,464 138,883 
        Revenues$775,931 $463,638 $44,173 $1,283,742 
The following tables present the disaggregation of the Company’s revenues by contract type including a reconciliation of the disaggregated revenues with the Company’s reportable segments (Note 13 “Segment Information”) for the periods indicated:
Three Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Contract Types
Time-and-material$466,204 $267,070 $19,239 $752,513 
Fixed-price61,383 44,252 18,115 123,750 
Licensing4,076 260 31 4,367 
Other revenues
359 367 10 736 
        Revenues$532,022 $311,949 $37,395 $881,366 
Six Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Contract Types
Time-and-material$884,091 $499,761 $33,666 $1,417,518 
Fixed-price114,398 87,818 32,816 235,032 
Licensing7,611 314 112 8,037 
Other revenues
775 760 19 1,554 
        Revenues$1,006,875 $588,653 $66,613 $1,662,141 

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Three Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Contract Types
Time-and-material$348,715 $192,173 $13,972 $554,860 
Fixed-price33,855 32,253 6,259 72,367 
Licensing1,958 545 9 2,512 
Other revenues
301 2,334 9 2,644 
        Revenues$384,829 $227,305 $20,249 $632,383 
Six Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Contract Types
Time-and-material$705,978 $382,493 $27,568 $1,116,039 
Fixed-price65,710 77,508 15,080 158,298 
Licensing3,728 707 1,467 5,902 
Other revenues
515 2,930 58 3,503 
        Revenues$775,931 $463,638 $44,173 $1,283,742 

Timing of Revenue Recognition
The following tables present the timing of revenue recognition reconciled with the Company’s reportable segments (Note 13 “Segment Information”) for the periods indicated:
Three Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Timing of Revenue Recognition
Transferred over time$529,230 $311,840 $37,370 $878,440 
Transferred at a point of time2,792 109 25 2,926 
        Revenues$532,022 $311,949 $37,395 $881,366 

Six Months Ended June 30, 2021
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Timing of Revenue Recognition
Transferred over time$1,001,604 $588,571 $66,560 $1,656,735 
Transferred at a point of time5,271 82 53 5,406 
        Revenues$1,006,875 $588,653 $66,613 $1,662,141 

Three Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Timing of Revenue Recognition
Transferred over time$383,573 $227,073 $20,240 $630,886 
Transferred at a point of time1,256 232 9 1,497 
        Revenues$384,829 $227,305 $20,249 $632,383 
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Six Months Ended June 30, 2020
Reportable Segments
North AmericaEuropeRussiaConsolidated Revenues
Timing of Revenue Recognition
Transferred over time$773,383 $463,244 $42,708 $1,279,335 
Transferred at a point of time2,548 394 1,465 4,407 
        Revenues$775,931 $463,638 $44,173 $1,283,742 
During the three and six months ended June 30, 2021, the Company recognized $11.6 million and $16.5 million, respectively, of revenues from performance obligations satisfied in previous periods. Performance obligations satisfied in prior periods led to a reduction of $3.7 million of revenues during three months ended June 30, 2020 and an increase of $4.2 million of revenues during six months ended June 30, 2020.
The following table includes the estimated revenues expected to be recognized in the future related to performance obligations that are partially or fully unsatisfied as of June 30, 2021. The Company applies a practical expedient and does not disclose the value of unsatisfied performance obligations for contracts that (i) have an original expected duration of one year or less and (ii) contracts for which it recognizes revenues at the amount to which it has the right to invoice for services provided.
Less than 1 year1 Year2 Years3 YearsTotal
Contract Type
Fixed-price$21,439 $847 $145 $ $22,431 
The Company applies a practical expedient and does not disclose the amount of the transaction price allocated to the remaining performance obligations nor provide an explanation of when the Company expects to recognize that amount as revenue for certain variable consideration.
Contract Balances
The following table provides information on the classification of contract assets and liabilities in the condensed consolidated balance sheets:
 As of
June 30,
2021
As of
December 31,
2020
Contract assets included in Trade receivables and contract assets$29,802 $7,700 
Contract liabilities included in Accrued expenses and other current liabilities$20,555 $17,383 
Contract liabilities included in Other noncurrent liabilities$207 $94 
Contract assets have increased since December 31, 2020 primarily due to contracts where the Company’s right to bill is contingent upon achievement of contractual milestones. Contract liabilities comprise amounts collected from the Company’s customers for revenues not yet earned and such amounts are anticipated to be recorded as revenues when services are performed in subsequent periods. Contract liabilities have increased since December 31, 2020 due to an increase in advance payments from customers for professional services and licenses during the quarter.
During the three and six months ended June 30, 2021, the Company recognized $3.3 million and $14.3 million, respectively, of revenues that were included in Accrued expenses and other current liabilities at December 31, 2020. During the three and six months ended June 30, 2020, the Company recognized $1.3 million and $7.9 million, respectively, of revenues that were included in Accrued expenses and other current liabilities at December 31, 2019.

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9.STOCK-BASED COMPENSATION
The following table summarizes the components of stock-based compensation expense recognized in the Company’s condensed consolidated statements of income for the periods indicated:
Three Months Ended
June 30,
Six Months Ended
June 30,
2021202020212020
Cost of revenues (exclusive of depreciation and amortization)$11,261 $8,958 $22,378 $12,942 
Selling, general and administrative expenses12,637 10,481 26,073 18,378 
Total$23,898 $19,439 $48,451 $31,320 


Stock Options
Stock option activity under the Company’s plans is set forth below:
 Number of
Options 
Weighted Average
Exercise Price 
Aggregate
Intrinsic Value 
Weighted Average
Remaining Contractual Term (in years)
Options outstanding at January 1, 2021
2,772 $61.71 
Options granted88 $395.53 
Options exercised(328)$47.76 
Options forfeited/cancelled(5)$227.25 
Options outstanding at June 30, 2021
2,527 $74.78 $1,102,051 4.1
Options vested and exercisable as of June 30, 2021
2,217 $52.50 $1,016,268 3.5
Options expected to vest as of June 30, 2021
286 $232.06 $79,898 8.6
As of June 30, 2021, $22.3 million of total remaining unrecognized stock-based compensation cost related to unvested stock options, net of estimated forfeitures, is expected to be recognized over the weighted-average remaining requisite service period of 3.0 years.
Restricted Stock and Restricted Stock Units
Service-Based Awards
The table below summarizes activity related to the Company’s equity-classified and liability-classified service-based awards for the six months ended June 30, 2021:
Equity-Classified
 Restricted Stock
Equity-Classified
Equity-Settled
Restricted Stock Units
Liability-Classified
Cash-Settled
Restricted Stock Units
 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Unvested service-based awards outstanding at January 1, 2021
9 $167.18 686 $162.15 175 $141.16 
Awards granted $ 200 $397.62 26 $387.84 
Awards vested $ (268)$131.85 (83)$116.11 
Awards forfeited/cancelled $ (18)$228.28 (2)$221.69 
Unvested service-based awards outstanding at June 30, 2021
9 $167.18 600 $252.09 116 $213.00 
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As of June 30, 2021, $0.6 million of total remaining unrecognized stock-based compensation cost related to service-based equity-classified restricted stock is expected to be recognized over the weighted-average remaining requisite service period of 1.2 years.
As of June 30, 2021, $121.8 million of total remaining unrecognized stock-based compensation cost related to service-based equity-classified restricted stock units (“RSUs”), net of estimated forfeitures, is expected to be recognized over the weighted-average remaining requisite service period of 3.0 years.
During the second quarter of 2021, the Company granted 17 thousand service-based equity-classified RSUs in connection with the PolSource acquisition and 11 thousand service-based equity-classified RSUs in connection with the Other 2021 acquisitions. See Note 2 “Acquisitions” in the condensed consolidated interim financial statements for additional information regarding business acquisitions.
As of June 30, 2021, $41.0 million of total remaining unrecognized stock-based compensation cost related to service-based liability-classified cash-settled RSUs, net of estimated forfeitures, is expected to be recognized over the weighted-average remaining requisite service period of 2.5 years.
The liability associated with the service-based liability-classified RSUs as of June 30, 2021 and December 31, 2020, was $13.3 million and $26.8 million, respectively, and was classified as Accrued compensation and benefits expenses in the condensed consolidated balance sheets.
Performance-Based Awards
The table below summarizes activity related to the Company’s equity-classified performance-based awards for the six months ended June 30, 2021:
Equity-Classified
Equity-Settled
Restricted Stock
Equity-Classified
Equity-Settled
Restricted Stock Units
 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Number of
Shares 
Weighted Average Grant Date
Fair Value Per Share 
Unvested performance-based awards outstanding at January 1, 2021
9 $165.87 21 $227.16 
Awards granted $ 1 $399.99 
Unvested performance-based awards outstanding at June 30, 2021
9 $165.87 22 $233.43 
As of June 30, 2021, $0.8 million of total remaining unrecognized stock-based compensation cost related to performance-based equity-classified restricted stock is expected to be recognized over the weighted-average remaining requisite service period of 2.2 years.
As of June 30, 2021, $2.8 million of total remaining unrecognized stock-based compensation cost related to performance-based equity-classified RSUs is expected to be recognized over the weighted-average remaining requisite service period of 2.2 years.
During the second quarter of 2021, in connection with the PolSource acquisition, the Company granted 1 thousand performance-based equity-settled RSUs. Vesting of these performance-based equity-settled RSUs is dependent on continued service and achievement of certain revenue, earnings and operational targets.
Additionally, during the second quarter of 2021, the Company issued certain performance-based equity-settled RSUs with undetermined conditions for future vesting, which are not deemed granted and outstanding for accounting purposes, and therefore they have been excluded from the awards granted disclosure and recognized expense for the period presented. The Company issued 5 thousand of such performance-based equity-settled RSUs in connection with the PolSource acquisition and 1 thousand of such performance-based equity-settled RSUs in connection with the Other 2021 Acquisitions. See Note 2 “Acquisitions” in the condensed consolidated interim financial statements for additional information regarding business acquisitions.
As of June 30, 2021, the Company has committed to issuing 17 thousand RSUs to employees of PolSource and 1 thousand RSUs as well as future RSU awards valued at $3.8 million to employees of Other 2021 Acquisitions at various dates over the next 12 months. As of June 30, 2021, these awards were not considered granted for accounting purposes.

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10.INCOME TAXES
In determining its interim provision for income taxes, the Company uses an estimated annual effective tax rate, which is based on expected annual profit before tax, statutory tax rates and tax planning opportunities available in the various jurisdictions in which the Company operates. Certain significant or unusual items are separately recognized in the quarter in which they occur and can be a source of variability in the effective tax rates from quarter to quarter.
The Company’s worldwide effective tax rates for the three months ended June 30, 2021 and 2020 were 6.9% and 12.4%, respectively, and 6.0% and 11.8% during the six months ended June 30, 2021 and 2020, respectively.
The Company’s effective tax rates benefited from excess tax benefits recorded upon vesting or exercise of stock-based awards of $21.0 million and $8.1 million during the three months ended June 30, 2021 and 2020, respectively, and $42.5 million and $19.8 million during the six months ended June 30, 2021 and 2020, respectively.

11.EARNINGS PER SHARE
Basic earnings per share is computed by dividing net income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period. For purposes of computing basic earnings per share, any nonvested shares of restricted stock that have been issued by the Company and are contingently returnable to the Company are excluded from the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed by dividing net income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period increased to include the number of additional shares of common stock that would have been outstanding if the potentially dilutive securities had been issued. Potentially dilutive securities include outstanding stock options, unvested restricted stock and unvested equity-settled RSUs. The dilutive effect of potentially dilutive securities is reflected in diluted earnings per share by application of the treasury stock method.
The following table sets forth the computation of basic and diluted earnings per share of common stock as follows:
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Numerator for basic and diluted earnings per share:
Net income$114,671 $66,624 $223,717 $152,189 
Numerator for basic and diluted earnings per share$114,671 $66,624 $223,717 $152,189 
Denominator:  
Weighted average common shares for basic earnings per share56,463 55,701 56,317 55,494 
Net effect of dilutive stock options, restricted stock units and restricted stock awards
2,548 2,545 2,579 2,700 
Weighted average common shares for diluted earnings per share
59,011 58,246 58,896 58,194 
Net income per share:  
Basic$2.03 $1.20 $3.97 $2.74 
Diluted$1.94 $1.14 $3.80 $2.62 
The number of shares underlying equity-based awards that were excluded from the calculation of diluted earnings per share as their effect would be anti-dilutive was 83 thousand and 49 thousand during the three and six months ended June 30, 2021, respectively.
The number of shares underlying equity-based awards that were excluded from the calculation of diluted earnings per share as their effect would be anti-dilutive was 147 thousand and 78 thousand during the three and six months ended June 30, 2020, respectively.
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12.COMMITMENTS AND CONTINGENCIES
Indemnification Obligations  In the normal course of business, the Company is a party to a variety of agreements under which it may be obligated to indemnify the other party for certain matters. These obligations typically arise in contracts where the Company customarily agrees to hold the other party harmless against losses arising from a breach of representations or covenants for certain matters, infringement of third party intellectual property rights, data privacy violations, and certain tortious conduct in the course of providing services. The duration of these indemnifications varies, and in certain cases, is indefinite.
The Company is unable to reasonably estimate the maximum potential amount of future payments under these or similar agreements due to the unique facts and circumstances of each agreement and the fact that certain indemnifications provide for no limitation to the maximum potential future payments under the indemnification. Management is not aware of any such matters that would have a material effect on the condensed consolidated financial statements of the Company.
Litigation — From time to time, the Company is involved in litigation, claims or other contingencies arising in the ordinary course of business. The Company accrues a liability when a loss is considered probable and the amount can be reasonably estimated. When a material loss contingency is reasonably possible but not probable, the Company does not record a liability, but instead discloses the nature and the amount of the claim, and an estimate of the loss or range of loss, if such an estimate can be made. Legal fees are expensed as incurred. In the opinion of management, the outcome of any existing claims and legal or regulatory proceedings, if decided adversely, is not expected to have a material effect on the Company’s business, financial condition, results of operations or cash flows.
Building Acquisition Commitments — During the year ended December 31, 2019, the Company entered into an agreement to purchase office space in Ukraine intended to support the global delivery center in that country. The agreement is subject to completion of construction and other ordinary closing conditions. As of June 30, 2021, the Company has committed to making future payments totaling approximately $36.9 million including VAT to the sellers upon transfer of the building. The Company anticipates making the future payments during the second half of 2021.

13.SEGMENT INFORMATION
The Company determines its business segments and reports segment information in accordance with how the Company’s chief operating decision maker (“CODM”) organizes the segments to evaluate performance, allocate resources and make business decisions. Segment results are based on the segment’s revenues and operating profit, where segment operating profit is defined as income from operations before unallocated costs. Expenses included in segment operating profit consist principally of direct selling and delivery costs as well as an allocation of certain shared services expenses. Certain corporate expenses are not allocated to specific segments as these expenses are not controllable at the segment level. Such expenses include certain types of professional fees, non-corporate taxes, compensation to non-employee directors and certain other general and administrative expenses, including compensation of specific groups of non-production employees. In addition, the Company does not allocate amortization of intangible assets acquired through business combinations, goodwill and other asset impairment charges, stock-based compensation expenses, acquisition-related costs and certain other one-time charges. These unallocated amounts are combined with total segment operating profit to arrive at consolidated income from operations as reported below in the reconciliation of segment operating profit to consolidated income before provision for income taxes. Additionally, management has determined that it is not practical to allocate identifiable assets by segment since such assets are used interchangeably among the segments.
The Company manages its business primarily based on the managerial responsibility for its client base and market. As managerial responsibility for a particular customer relationship generally correlates with the customer’s geographic location, there is a high degree of similarity between customer locations and the geographic boundaries of the Company’s reportable segments. In some cases, managerial responsibility for a particular customer is assigned to a management team in another region and is usually based on the strength of the relationship between customer executives and particular members of EPAM’s senior management team. In such cases, the customer’s activity would be reported through the management team’s reportable segment.
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Revenues from external customers and operating profit/(loss), before unallocated expenses, by reportable segment for the three and six months ended June 30, 2021 and 2020, were as follows:
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Segment revenues:
North America$532,022 $384,829 $1,006,875 $775,931 
Europe311,949 227,305 588,653 463,638 
Russia37,395 20,249 66,613 44,173 
Total segment revenues$881,366 $632,383 $1,662,141 $1,283,742 
Segment operating profit/(loss):  
North America$111,260 $82,752 $205,363 $161,679 
Europe50,452 34,426 101,525 66,205 
Russia6,029 (5,645)7,008 (5,126)
Total segment operating profit$167,741 $111,533 $313,896 $222,758 
Intersegment transactions were excluded from the above on the basis that they are neither included in the measure of a segment’s profit and loss results, nor considered by the CODM during the review of segment results.
There were no customers that accounted for more than 10% of total segment revenues during the three and six months ended June 30, 2021 and 2020.
Reconciliation of segment operating profit to consolidated income before provision for income taxes is presented below:
Three Months Ended
June 30,
Six Months Ended
June 30,
2021202020212020
Total segment operating profit:$167,741 $111,533 $313,896 $222,758 
Unallocated amounts:
Stock-based compensation expense(23,898)(19,439)(48,451)(31,320)
Amortization of intangibles assets(3,961)(2,994)(7,101)(6,129)
Other acquisition-related expenses (2,099)(148)(4,032)(616)
Other unallocated expenses(12,509)(5,526)(21,787)(13,758)
Income from operations125,274 83,426 232,525 170,935 
Interest and other income, net2,580 1,817 7,954 4,203 
Foreign exchange loss(4,693)(9,167)(2,394)(2,643)
Income before provision for income taxes$123,161 $76,076 $238,085 $172,495 

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Geographic Area Information
Long-lived assets include property and equipment, net of accumulated depreciation and amortization, and management has determined that it is not practical to allocate these assets by segment since such assets are used interchangeably among the segments. Physical locations and values of the Company’s long-lived assets are presented below:
As of
June 30,
2021
As of
December 31,
2020
Belarus$77,969 $73,988 
Ukraine27,411 30,980 
Russia15,506 15,036 
United States15,147 15,718 
India7,195 7,079 
Hungary6,112 5,365 
Poland5,704 5,434 
Spain2,828 2,799 
Mexico2,656 2,419 
China2,323 2,722 
Other 10,694 7,993 
Total$173,545 $169,533 
The table below presents information about the Company’s revenues by customer location for the three and six months ended June 30, 2021 and 2020:
Three Months Ended
June 30,
Six Months Ended
June 30,
2021202020212020
United States$502,499 $365,004 $950,520 $735,093 
United Kingdom112,739 82,277 206,203 174,409 
Switzerland63,794 46,537 131,362 93,759 
Netherlands36,700 27,237 69,732 53,146 
Russia35,767 19,448 63,423 41,409 
Germany25,736 19,798 47,761 39,991 
Canada24,455 16,585 46,290 34,505 
Other locations79,676 55,497 146,850 111,430 
Total$881,366 $632,383 $1,662,141 $1,283,742 

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14.ACCUMULATED OTHER COMPREHENSIVE LOSS
The following table summarizes the changes in the accumulated balances for each component of accumulated other comprehensive loss:
Three Months Ended
June 30,
Six Months Ended
June 30,
2021202020212020
Foreign currency translation
Beginning balance$(38,699)$(61,185)$(28,168)$(32,666)
Foreign currency translation12,088 15,932 (1,493)(19,400)
Income tax (expense)/benefit(2,451)(3,490)599 3,323 
Foreign currency translation, net of tax9,637 12,442 (894)(16,077)
Ending balance$(29,062)$(48,743)$(29,062)$(48,743)
Cash flow hedging instruments
Beginning balance$(439)$(8,076)$3,642 $1,292 
Unrealized gain/(loss) in fair value1,271 10,168 (6,075)(1,260)
Net gain/(loss) reclassified into Cost of revenues (exclusive of depreciation and amortization)1,371 (1,851)3,437 (2,511)
Income tax (expense)/benefit(602)(1,871)597 849 
Cash flow hedging instruments, net of tax2,040 6,446 (2,041)(2,922)
Ending balance(1)
$1,601 $(1,630)$1,601 $(1,630)
Defined benefit plans
Beginning balance$(1,612)$ $(986)$ 
Actuarial losses  (811) 
Income tax benefit  185  
Defined benefit plans, net of tax  (626) 
Ending balance$(1,612)$ $(1,612)$ 
Accumulated other comprehensive loss$(29,073)$(50,373)$(29,073)$(50,373)
(1) As of June 30, 2021, the ending balance of net unrealized losses related to derivatives designated as cash flow hedges is expected to be reclassified into Cost of revenues (exclusive of depreciation and amortization) in the next twelve months.

15.SUBSEQUENT EVENTS
Subsequent to June 30, 2021, the Company completed two additional acquisitions. In aggregate, the Company paid approximately $53.7 million in cash at closing, agreed to pay up to $10.8 million in deferred cash consideration, as well as up to $18.2 million in cash earn-out consideration and up to $12.0 million in restricted stock earn-out consideration based on the achievement of certain revenue, earnings and operational targets payable at various times through the fourth anniversary of the acquisition date. In addition, the Company agreed to grant performance-based RSUs valued at up to $35.3 million for which payout is dependent on the achievement of certain revenue, earnings and operational targets through December 31, 2024 and service-based RSUs valued at approximately $2.3 million to employees of the acquired companies.
Due to the timing of the acquisitions, the initial accounting for the acquisitions is incomplete. As such, the Company is not able to disclose certain information relating to the acquisitions, including the preliminary fair value of assets acquired and liabilities assumed. The Company expects to complete the initial accounting for these acquisitions during the third quarter of 2021.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations
You should read the following discussion and analysis of our financial condition and results of operations together with our Annual Report on Form 10-K for the year ended December 31, 2020 and the unaudited condensed consolidated financial statements and the related notes included elsewhere in this quarterly report. In addition to historical information, this discussion contains forward-looking statements that involve risks, uncertainties and assumptions that could cause actual results to differ materially from management’s expectations. Factors that could cause such differences are discussed in the sections entitled “Forward-Looking Statements” in this item and in “Part I. Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2020. We assume no obligation to update any of these forward-looking statements.
In this quarterly report, “EPAM,” “EPAM Systems, Inc.,” the “Company,” “we,” “us” and “our” refer to EPAM Systems, Inc. and its consolidated subsidiaries.
“EPAM” is a trademark of EPAM Systems, Inc. All other trademarks and service marks used herein are the property of their respective owners.

Executive Summary
We are a leading global provider of digital platform engineering and software development services offering specialized technological solutions to many of the world’s leading organizations.
Our customers depend on us to solve their complex technical challenges and rely on our expertise in core engineering, advanced technology, digital design and intelligent enterprise development. We continuously explore opportunities in new industries to expand our core industry client base in software and technology, financial services, business information and media, travel and consumer, and life sciences and healthcare. Our teams of developers, architects, consultants, strategists, engineers, designers, and product experts have the capabilities and skill sets to deliver business results.
Our global delivery model and centralized support functions, combined with the benefits of scale from the shared use of fixed-cost resources, enhance our productivity levels and enable us to better manage the efficiency of our global operations. As a result, we have created a delivery base whereby our applications, tools, methodologies and infrastructure allow us to seamlessly deliver services and solutions from our delivery centers to global customers across all geographies, further strengthening our relationships with them.
Through increased specialization in focused verticals and a continued emphasis on strategic partnerships, we are leveraging our roots in software engineering to grow as a recognized brand in software development and end-to-end digital transformation services for our customers.
The COVID-19 global pandemic remained a significant source of disruption and uncertainty during the second quarter of 2021. To ensure both safety and business continuity, the vast majority of our personnel remain in productive and secure remote working arrangements so they are able to continue to respond to the rapidly changing needs and demands of our customers. During the second quarter of 2021, we continued to experience increased demand in our geographies, segments, and service offerings, as detailed below under the heading “Year-to-Date 2021 Developments and Trends,” but we cannot accurately predict the extent to which the COVID-19 pandemic will continue to directly and indirectly impact our business, results of operations and financial condition.
For additional information on the impact of the COVID-19 pandemic on our results for the first half of 2021, please see “Year-to-Date 2021 Developments and Trends” and “Liquidity and Capital Resources” below. For further information on the various risks posed by the COVID-19 pandemic, please read “Part I. Item 1A. Risk Factors” under the sub-heading “Risks Related to COVID-19” which is included in our Annual Report on Form 10-K for the year ended December 31, 2020.
Year-to-Date 2021 Developments and Trends
For the first six months of 2021, our revenues were $1,662.1 million, an increase of 29.5% over $1,283.7 million reported for the same period of 2020. We have built an increasingly diversified portfolio across numerous verticals, geographies and service offerings which allowed us to continue to grow revenues despite challenges posed by the worldwide COVID-19 pandemic. Certain clients and certain industry verticals were adversely impacted by the worldwide COVID-19 pandemic in 2020. However, in 2021 we are experiencing strong growth across all of our verticals with all of the verticals growing above 25% year over year, with the exception of the Business Information & Media vertical which grew 9.5% year over year.


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Summary of Results of Operations
The following table presents a summary of our results of operations for the three and six months ended June 30, 2021 and 2020:
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
 (in thousands, except per share data and percentages)
Revenues$881,366100.0 %$632,383100.0 %$1,662,141100.0 %$1,283,742100.0 %
Income from operations$125,27414.2 %$83,42613.2 %$232,52514.0 %$170,93513.3 %
Net income$114,67113.0 %$66,62410.5 %$223,71713.5 %$152,18911.9 %
Effective tax rate6.9 %12.4 %6.0 %11.8 %
Diluted earnings per share$1.94 $1.14 $3.80 $2.62 
The key highlights of our consolidated results for the three and six months ended June 30, 2021, as compared to the corresponding period of 2020, were as follows:
Revenues for the second quarter of 2021 were $881.4 million, representing a 39.4% increase from $632.4 million reported in the same period last year. Revenue growth was strong in the second quarter of 2021 as a result of robust demand for our services as well as a favorable comparison to the second quarter of 2020 which was adversely impacted by the COVID-19 pandemic. The second quarter of 2021 was positively impacted by $21.9 million or 3.5% due to changes in certain foreign currency exchange rates as compared to the corresponding period last year. Revenues for the first half of 2021 were $1,662.1 million, or a 29.5% increase from $1,283.7 million reported in the corresponding period last year. Revenue growth in the first six months of 2021 was positively impacted by $34.6 million or 2.7% due to changes in certain foreign currency exchange rates as compared to the corresponding period last year. Revenue growth also benefited from a favorable comparison to the first half of 2020 which was adversely impacted by the COVID-19 pandemic. Growth from acquisitions contributed $19.1 million and $21.8 million to our revenues for the three and six months ended June 30, 2021, respectively.
Income from operations grew 50.2% and 36.0% to $125.3 million and $232.5 million during the three and six months ended June 30, 2021, as compared to the corresponding periods in 2020. Expressed as a percentage of revenues, income from operations for the second quarter of 2021 increased to 14.2% compared to the 13.2% in the second quarter last year and increased to 14.0% for the first six months of 2021 as compared to 13.3% for the corresponding period in 2020. During the second quarter of 2021 and during the six months ended June 30, 2021 income from operations as a percentage of revenues was positively impacted by decreases in Selling, general and administrative expenses as a percentage of revenue. Income from operations as a percentage of revenues was impacted during the second quarter of 2020 by an increase in Cost of revenues as a percentage of revenues attributable to temporary discounts provided to certain customers experiencing challenging economic conditions due to the impact of the COVID-19 pandemic which was partially offset by a reduction in travel-related expenses reported in Cost of revenues and a reduction in travel-related, recruitment, and facilities expenses reported in Selling, general and administrative expenses.
Our effective tax rate was 6.0% in the first six months of 2021 compared to 11.8% in the corresponding period last year. Our effective tax rate during the period was impacted by higher excess tax benefits recorded upon vesting or exercise of stock-based awards as a percentage of pre-tax income in the six months ended June 30, 2021 as compared to the corresponding period last year.
Net income increased 72.1% to $114.7 million for the three months ended June 30, 2021, compared to $66.6 million reported in the corresponding period last year. Expressed as a percentage of revenues, net income was 13.0% for the second quarter of 2021, an increase of 2.5% compared to 10.5% reported in the corresponding period of 2020. Net income grew 47.0% during the six months ended June 30, 2021 as compared to the corresponding period in the prior year primarily due to the improvement in income from operations and the decrease in our effective tax rate.
Diluted earnings per share was $1.94 and $3.80 for the three and six months ended June 30, 2021, respectively, an increase of $0.80 and $1.18 compared to the corresponding period last year.

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Cash provided by operating activities was $81.7 million during the six months ended June 30, 2021 as compared to cash provided by operating activities of $209.4 million in the corresponding period last year. This decrease was largely driven by a larger increase in days sales outstanding and increased income tax payments during the first half of 2021 compared to the same period in 2020. The first six months of 2020 also benefited from delays in payment of certain employee-related costs.
The operating results in any period are not necessarily indicative of the results that may be expected for any future period.

Critical Accounting Policies
The discussion and analysis of our financial position and results of operations is based on our condensed consolidated financial statements which have been prepared in accordance with U.S. GAAP. The preparation of these condensed consolidated financial statements in accordance with U.S. GAAP requires us to make estimates and judgments that may affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On a recurring basis, we evaluate our estimates and judgments, including those related to revenue recognition and related allowances, impairments of long-lived assets including intangible assets, goodwill and right-of-use assets, income taxes including the valuation allowance for deferred tax assets, and stock-based compensation. Actual results may differ materially from these estimates under different assumptions and conditions. In addition, our reported financial condition and results of operations could vary due to a change in the application of a particular accounting standard.
During the three and six months ended June 30, 2021, there have been no material changes to our critical accounting policies or in the underlying accounting assumptions and estimates used in such policies as reported in our Annual Report on Form 10-K for the year ended December 31, 2020.


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Results of Operations
The following table sets forth a summary of our consolidated results of operations for the periods indicated. This information should be read together with our unaudited condensed consolidated financial statements and related notes included elsewhere in this quarterly report. The operating results in any period are not necessarily indicative of the results that may be expected for any future period.
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
(in thousands, except percentages and per share data)
Revenues$881,366 100.0 %$632,383 100.0 %$1,662,141 100.0 %$1,283,742 100.0 %
Operating expenses:
  Cost of revenues (exclusive of depreciation and amortization)(1)
583,728 66.2 %419,540 66.3 %1,103,056 66.4 %843,342 65.7 %
  Selling, general and administrative expenses(2)
151,910 17.2 %114,191 18.1 %288,299 17.3 %239,299 18.6 %
  Depreciation and amortization expense
20,454 2.4 %15,226 2.4 %38,261 2.3 %30,166 2.4 %
Income from operations125,274 14.2 %83,426 13.2 %232,525 14.0 %170,935 13.3 %
Interest and other income, net2,580 0.3 %1,817 0.2 %7,954 0.4 %4,203 0.3 %
Foreign exchange loss(4,693)(0.5)%(9,167)(1.4)%(2,394)(0.1)%(2,643)(0.2)%
Income before provision for income taxes
123,161 14.0 %76,076 12.0 %238,085 14.3 %172,495 13.4 %
Provision for income taxes8,490 1.0 %9,452 1.5 %14,368 0.8 %20,306 1.5 %
Net income$114,671 13.0 %$66,624 10.5 %$223,717 13.5 %$152,189 11.9 %
Effective tax rate6.9 %12.4 %6.0 %11.8 %
Diluted earnings per share$1.94 $1.14 $3.80 $2.62 
(1)Includes $11,261 and $8,958 of stock-based compensation expense for the three months ended June 30, 2021 and 2020, respectively, and $22,378 and $12,942 of stock-based compensation expense for the six months ended June 30, 2021 and 2020, respectively.
(2)Includes $12,637 and $10,481 of stock-based compensation expense for the three months ended June 30, 2021 and 2020, respectively, and $26,073 and $18,378 of stock-based compensation expense for the six months ended June 30, 2021 and 2020, respectively.
    

Consolidated Results Review
Revenues
During the three months ended June 30, 2021, our total revenues grew to $881.4 million or 39.4% compared to the corresponding period in 2020. Revenues have been positively impacted by growth from acquisitions, which contributed 3.1% to our revenue growth, and by fluctuations in foreign currency exchange rates which increased our revenue growth by 3.5% during the three months ended June 30, 2021 as compared to the same period last year. Revenue growth slowed in the second quarter of 2020 as a result of deterioration in economic conditions for our customers related to the COVID-19 pandemic.
During the six months ended June 30, 2021, our total revenues grew 29.5% over the corresponding period in 2020. The first six months of 2021 were positively impacted by growth from acquisitions, which contributed 1.7% to our revenue growth, and by fluctuations in foreign currency exchange rates which increased our revenue growth by $34.6 million or 2.7% due to changes in certain foreign currency exchange rates as compared to the corresponding period last year. Revenue growth slowed in the first half of 2020 as a result of deterioration in economic conditions for our customers related to the COVID-19 pandemic.

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Revenues by customer location for the three and six months ended June 30, 2021 and 2020 were as follows:
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
 (in thousands, except percentages)(in thousands, except percentages)
North America
$527,398 59.8 %$381,936 60.4 %$997,719 60.0 %$771,766 60.1 %
Europe
291,281 33.0 %211,064 33.4 %550,653 33.1 %434,121 33.8 %
CIS(1)
37,703 4.4 %22,078 3.5 %67,837 4.1 %46,938 3.7 %
APAC(2)
24,984 2.8 %17,305 2.7 %45,932 2.8 %30,917 2.4 %
Revenues$881,366 100.0 %$632,383 100.0 %$1,662,141 100.0 %$1,283,742 100.0 %
(1)CIS includes revenues from customers in Russia, Belarus, Georgia, Kazakhstan, and Ukraine.
(2)APAC, or Asia Pacific, includes revenues from customers in East Asia, Southeast Asia and Australia.
During the three and six months ended June 30, 2021, the United States continued to be our largest customer location, with revenues increasing 37.7% to $502.5 million during the second quarter of 2021 from $365.0 million in the second quarter of 2020. During the six months ended June 30, 2021, revenues in the United States grew 29.3% to $950.5 million compared to $735.1 million in the same period of the prior year.
The top three revenue contributing customer location countries in Europe were the United Kingdom, Switzerland and Netherlands, generating $112.7 million, $63.8 million and $36.7 million in revenues, respectively, during the three months ended June 30, 2021. Revenues from customers in these three countries were $82.3 million, $46.5 million, and $27.2 million, respectively, in the corresponding period last year. Revenues in the European geography were positively impacted by strengthening of the euro and British pound relative to the U.S. dollar during the three months ended June 30, 2021 compared to the same period in the previous year. During the six months ended June 30, 2021, United Kingdom, Switzerland and Netherlands performed as Europe’s top revenue generating locations and contributed $206.2 million, $131.4 million, and $69.7 million, respectively, compared to $174.4 million, $93.8 million, and $53.1 million in the corresponding period last year, respectively.
During the three months ended June 30, 2021, revenues in the CIS geography included $35.8 million from customers in Russia, an increase of $16.3 million as compared to the corresponding period of 2020. The increase in revenue was partially offset by the depreciation of the Russian ruble relative to the U.S. dollar. During the six months ended June 30, 2021, customers in Russia comprised $63.4 million of the revenues in the CIS geography, an increase of $22.0 million over the corresponding period of 2020. During the six months ended June 30, 2021, revenues in the CIS geography benefited from growth in Financial Services, particularly commercial banking, and were partially offset by the depreciation of the Russian ruble relative to the U.S. dollar compared to the six months ended June 31, 2020, which was also negatively impacted by the timing of revenue recognition associated with the execution of contracts.
During the three and six months ended June 30, 2021, revenues from customers in the APAC region increased by $7.7 million, or 44.4% and $15.0 million or 48.6%, respectively, over the corresponding periods of 2020.
Cost of Revenues (Exclusive of Depreciation and Amortization)
The principal components of our cost of revenues (exclusive of depreciation and amortization) are salaries, bonuses, fringe benefits, stock-based compensation, project-related travel costs and fees for subcontractors who are assigned to customer projects. Salaries and other compensation expenses of our delivery professionals are reported as cost of revenues regardless of whether the employees are actually performing customer services during a given period. Our employees are a critical asset, necessary for our continued success and therefore we expect to continue hiring talented employees and providing them with competitive compensation programs.
During the three months ended June 30, 2021, cost of revenues (exclusive of depreciation and amortization) was $583.7 million representing an increase of 39.1% from $419.5 million in the corresponding period of 2020. The increase was primarily due to an increase in compensation costs largely driven by the 24.9% growth in the average number of production professionals during the three months ended June 30, 2021 as compared to the same period in 2020. Expressed as a percentage of revenues, cost of revenues (exclusive of depreciation and amortization) was 66.2% and 66.3% in the second quarter of 2021 and 2020, respectively. The year-over-year decrease is primarily due to a reduction in travel and entertainment expenses and gains on hedging, partially offset by a 0.6% increase as a percentage of revenues in personnel-related costs including stock-based compensation expense.
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During the six months ended June 30, 2021, cost of revenues (exclusive of depreciation and amortization) was $1,103.1 million representing an increase of 30.8% from $843.3 million in the corresponding period of 2020. The increase was primarily due to an increase in compensation costs largely driven by the 22.7% growth in the average number of production professionals, a higher level of accrued variable compensation during the first six months of 2021 as compared to the same period in 2020 and a 1.9% unfavorable impact from changing foreign currency exchange rates. Expressed as a percentage of revenues, cost of revenues (exclusive of depreciation and amortization) was 66.4% and 65.7% for the six months ended June 30, 2021 and 2020, respectively. The year-over-year increase is primarily due to personnel-related costs including stock-based compensation expense, partially offset by decreased travel and entertainment expenses.
Selling, General and Administrative Expenses
Selling, general and administrative expenses represent expenditures associated with promoting and selling our services and general and administrative functions of our business. These expenses include the costs of salaries, bonuses, fringe benefits, stock-based compensation, severance, bad debt, travel, legal and accounting services, insurance, facilities including operating leases, advertising and other promotional activities. In addition, we pay a membership fee of 1% of revenues generated in Belarus to the administrative organization of the Belarus High-Technologies Park.
During the three months ended June 30, 2021, selling, general and administrative expenses were $151.9 million representing a 33.0% increase as compared to $114.2 million in the corresponding period of 2020. The increase in selling, general and administrative expenses was primarily driven by a $30.1 million increase in personnel-related costs including stock-based compensation expense. Expressed as a percentage of revenues, selling, general and administrative expenses decreased 0.9% to 17.2% for the three months ended June 30, 2021 as compared to the same period from the prior year, primarily driven by reduced facility-related expenses as a percentage of revenues.
During the six months ended June 30, 2021, selling, general and administrative expenses were $288.3 million representing an increase of 20.5% as compared to $239.3 million reported in the corresponding period of 2020. The increase in selling, general and administrative expenses was primarily driven by a $45.2 million increase in personnel-related costs including stock-based compensation expense, partially offset by a $3.2 million decrease in facilities and infrastructure expenses. Expressed as a percentage of revenues, selling, general and administrative expenses decreased 1.3% to 17.3% for the six months ended June 30, 2021 as compared to the same period from the prior year primarily driven by reduced facility-related expenses as a percentage of revenues.
Interest and Other Income, Net
Interest and other income, net includes interest earned on cash and cash equivalents and employee loans, gains and losses from certain financial instruments, interest expense related to our 2017 Credit Facility and changes in the fair value of contingent consideration. There were no material changes in interest and other income, net during the three and six months ended June 30, 2021 as compared to the same periods in 2020.
Depreciation and Amortization Expense
During the three and six months ended June 30, 2021, depreciation and amortization expense was $20.5 million and $38.3 million, respectively, as compared to $15.2 million and $30.2 million, respectively, in the corresponding periods last year. The increase in depreciation and amortization expense is primarily the result of increased investment in computer equipment used by our employees. Expressed as a percentage of revenues, depreciation and amortization expense remained at 2.4% and decreased to 2.3% during the three and six months ended June 30, 2021, respectively, as compared to 2.4% in both corresponding periods of 2020.
Foreign Exchange Loss
For discussion of the impact of foreign exchange fluctuations see “Item 3. Quantitative and Qualitative Disclosures About Market Risk.”
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Provision for Income Taxes
Determining the consolidated provision for income tax expense, deferred income tax assets and liabilities and any potential related valuation allowances involves judgment. We consider factors that may contribute, favorably or unfavorably, to the overall annual effective tax rate in the current year as well as the future. These factors include statutory tax rates and tax law changes in the countries where we operate and excess tax benefits upon vesting or exercise of equity awards as well as consideration of any significant or unusual items.
As a company operating in many countries, we are required to calculate and provide for income taxes in each of the jurisdictions in which we operate. Our provision for income taxes benefited from excess tax benefits recorded upon vesting or exercise of stock-based awards of $21.0 million and $8.1 million during the three months ended June 30, 2021 and 2020, respectively. Our provision for income taxes benefited from excess tax benefits recorded upon vesting or exercise of stock-based awards of $42.5 million and $19.8 million during the six months ended June 30, 2021 and 2020, respectively.
Our effective tax rate was 6.9% and 6.0% for the three and six months ended June 30, 2021, respectively, and 12.4% and 11.8% for the three and six months ended June 30, 2020, respectively. The decrease in the effective tax rate in the six months ended June 30, 2021, as compared to the corresponding period in the prior year, is primarily attributable to the increase in excess tax benefits recorded upon vesting or exercise of stock-based awards.
Results by Business Segment
Our operations consist of three reportable segments: North America, Europe, and Russia. The segments represent components of EPAM for which separate financial information is available and used on a regular basis by our chief executive officer, who is also our chief operating decision maker (“CODM”), to determine how to allocate resources and evaluate performance. Our CODM makes business decisions based on segment revenues and operating profit. Segment operating profit is defined as income from operations before unallocated costs. Expenses included in segment operating profit consist principally of direct selling and delivery costs as well as an allocation of certain shared services expenses. Certain corporate expenses are not allocated to specific segments as these expenses are not controllable at the segment level. Such expenses include certain types of professional fees, certain taxes included in operating expenses including the Belarus High-Technologies Park membership fee, compensation to non-employee directors and certain other general and administrative expenses, including compensation of specific groups of non-production employees. In addition, the Company does not allocate stock-based compensation, amortization of intangible assets acquired through business combinations, goodwill and other asset impairment charges, acquisition-related costs and certain other one-time charges. These unallocated amounts are combined with total segment operating profit to arrive at consolidated income from operations.
We manage our business primarily based on the managerial responsibility for its client base and market. As managerial responsibility for a particular customer relationship generally correlates with the customer’s geographic location, there is a high degree of similarity between customer locations and the geographic boundaries of our reportable segments. In some cases, managerial responsibility for a particular customer is assigned to a management team in another region and is usually based on the strength of the relationship between customer executives and particular members of EPAM’s senior management team. In such cases, the customer’s activity would be reported through the management team’s reportable segment.

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Segment revenues from external customers and segment operating profit, before unallocated expenses, for the North America, Europe and Russia reportable segments for the three and six months ended June 30, 2021 and 2020 were as follows:
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
 (in thousands) 
Segment revenues:
North America$532,022 $384,829 $1,006,875 $775,931 
Europe311,949 227,305 588,653 463,638 
Russia37,395 20,249 66,613 44,173 
Total segment revenues$881,366 $632,383 $1,662,141 $1,283,742 
Segment operating profit/(loss):  
North America$111,260 $82,752 $205,363 $161,679 
Europe50,452 34,426 101,525 66,205 
Russia6,029 (5,645)7,008 (5,126)
Total segment operating profit$167,741 $111,533 $313,896 $222,758 

North America Segment
During the three months ended June 30, 2021, revenues for the North America segment increased $147.2 million, or 38.2%, compared to the same period last year and segment operating profit increased $28.5 million, or 34.4%, compared to the same period last year. During the three months ended June 30, 2021, revenues from our North America segment were 60.4% of total segment revenues, a decrease from 60.9% reported in the corresponding period of 2020. The North America segment’s operating profit margin decreased to 20.9% during the second quarter of 2021 from 21.5% in the second quarter of 2020. This decrease is primarily attributable to lower operating margins of recently acquired businesses.
During the six months ended June 30, 2021, revenues for the North America segment increased $230.9 million, or 29.8%, compared to the same period last year and segment operating profit increased $43.7 million, or 27.0%, compared to the same period last year. During the six months ended June 30, 2021 and 2020, revenues from our North America segment were 60.6% and 60.4% of total segment revenues, respectively. As a percentage of North America segment revenues, the North America segment’s operating profit margin decreased to 20.4% during the six months ended June 30, 2021 as compared to 20.8% in the corresponding period of 2020. This decrease is primarily attributable to lower operating margins of recently acquired businesses and higher cost of revenues as a percentage of revenues.
The following table presents North America segment revenues by industry vertical for the periods indicated:
Three Months Ended
June 30,
ChangeSix Months Ended
June 30,
Change
20212020Dollars Percentage 20212020Dollars Percentage 
Industry Vertical(in thousands, except percentages)
Software & Hi-Tech$134,638 $100,801 $33,837 33.6 %$260,224 $202,538 $57,686 28.5 %
Business Information & Media92,379 81,481 10,898 13.4 %179,584 161,701 17,883 11.1 %
Life Sciences & Healthcare80,712 61,776 18,936 30.7 %156,301 123,387 32,914 26.7 %
Travel & Consumer85,075 52,193 32,882 63.0 %154,504 106,917 47,587 44.5 %
Financial Services83,342 47,687 35,655 74.8 %153,082 95,555 57,527 60.2 %
Emerging Verticals55,876 40,891 14,985 36.6 %103,180 85,833 17,347 20.2 %
        Revenues$532,022 $384,829 $147,193 38.2 %$1,006,875 $775,931 $230,944 29.8 %

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During the three and six months ended June 30, 2021 compared to the same period in the prior year, revenues from each vertical in the North America segment, except Business Information & Media, grew in excess of 30% and 20%, respectively. Software & Hi-Tech remained the largest industry vertical in the North America segment during the second quarter of 2021, growing 33.6% and 28.5% during the three and six months ended June 30, 2021, respectively, as compared to the corresponding period from the prior year. Financial Services grew 74.8% and 60.2% during the three and six months ended June 30, 2021, respectively, due to growth in a global insurance customer that was previously one of our top 100 customers and is now one of our top 10 customers. Business Information & Media experienced slower growth during the three and six months of 2021 compared to the prior year largely due to slower relative growth at several clients where revenues from certain engagements have plateaued lower. Life Sciences & Healthcare grew 30.7% and 26.7% during the three and six months ended June 30, 2021, respectively, in part due to the addition of a significant new customer in 2021.
Europe Segment
During the three months ended June 30, 2021, Europe’s segment revenues were $311.9 million, representing an increase of $84.6 million, or 37.2%, from the same period last year. Revenues were positively impacted by changes in foreign currency exchange rates during the second quarter of 2021. Had our Europe segment revenues been expressed in constant currency terms using the exchange rates in effect during the second quarter of 2020, we would have reported revenue growth of 28.9%. Europe’s segment revenues accounted for 35.4% and 35.9% of total segment revenues during the three months ended June 30, 2021 and 2020, respectively. During the second quarter of 2021, the segment’s operating profit increased 46.6% to $50.5 million compared to the second quarter of 2020. Expressed as a percentage of revenues, Europe’s segment operating profit increased to 16.2% compared to 15.1% in the same period of the prior year. Segment operating profit was positively impacted by changes in foreign currency exchange rates and negatively impacted by increased personnel related costs during the second quarter of 2021. In addition, temporary discounts provided to certain customers experiencing challenging economic conditions due to the impact of the COVID-19 pandemic negatively impacted segment revenues and segment operating profit in the second quarter of 2020.
During the six months ended June 30, 2021, revenues for the Europe segment increased $125.0 million, or 27.0%, compared to the same period last year and segment operating profit increased $35.3 million, or 53.3%, compared to the same period last year. During the six months ended June 30, 2021 and 2020, revenues from our Europe segment were 35.4% and 36.1% of total segment revenues, respectively. As a percentage of Europe segment revenues, the Europe segment’s operating profit increased to 17.2% during the six months ended June 30, 2021 from 14.3% in the corresponding period of 2020. During the first six months of 2021, Europe’s segment operating profit was positively impacted by changes in foreign currency exchange rates, predominantly the euro and British pound, as well as the recognition of $6.4 million in revenues from performance obligations satisfied in previous periods. During the six months ended June 30, 2020, segment operating profit was negatively impacted by temporary discounts provided to certain customers experiencing challenging economic conditions due to the impact of the COVID-19 pandemic, partially offset by reduced Selling, general and administrative expenses.
The following table presents Europe segment revenues by industry vertical for the periods indicated:
Three Months Ended
June 30,
ChangeSix Months Ended
June 30,
Change
20212020Dollars Percentage 20212020Dollars Percentage 
Industry Vertical(in thousands, except percentages)
Financial Services$85,965 $66,655 $19,310 29.0 %$164,005 $134,249 $29,756 22.2 %
Travel & Consumer79,731 51,253 28,478 55.6 %144,355 112,320 32,035 28.5 %
Business Information & Media65,032 58,338 6,694 11.5 %125,189 116,484 8,705 7.5 %
Software & Hi-Tech23,934 18,165 5,769 31.8 %44,907 36,311 8,596 23.7 %
Life Sciences & Healthcare10,780 7,069 3,711 52.5 %26,131 14,688 11,443 77.9 %
Emerging Verticals46,507 25,825 20,682 80.1 %84,066 49,586 34,480 69.5 %
        Revenues$311,949 $227,305 $84,644 37.2 %$588,653 $463,638 $125,015 27.0 %

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Financial Services remained the largest industry vertical in the Europe segment during the three and six months ended June 30, 2021. Revenues in Travel & Consumer experienced higher growth during the three months ended June 30, 2021 as compared to the corresponding period in 2020 primarily due to increased demand from customers in the retail and distribution industries. During the three and six months ended June 30, 2021, revenues in Business Information & Media experienced slower relative growth at several clients where revenues from certain engagements have plateaued. For the three and six months ended June 30, 2021, the increase in revenues in Life Sciences & Healthcare is largely due to expansion of services provided to a single healthcare customer. Revenues in Emerging Verticals experienced higher growth primarily attributable to growth in existing customers in the telecommunications, manufacturing and energy industries during the three and six months ended June 30, 2021.
Russia Segment
During the three months ended June 30, 2021, revenues from our Russia segment accounted for 4.2% of total segment revenues and increased $17.1 million, or 84.7%, as compared to the corresponding period in the prior year. The increase in revenues was primarily attributable to growth in the Financial Services partially offset by the depreciation of the Russian ruble relative to the U.S. dollar. During the three months ended June 30, 2021, operating profit from the Russia segment was $6.0 million, representing an increase of $11.7 million, as compared to a $5.6 million operating loss in the corresponding period last year. This increase is attributable to the second quarter of 2020 experiencing a decrease in revenues, costs incurred without recognizing corresponding revenues due to the delays in the timing of execution of contracts, and the devaluation of the Russian ruble relative to the U.S. dollar.
During the six months ended June 30, 2021, revenues from our Russia segment increased $22.4 million, or 50.8%, as compared to the corresponding period of 2020 and accounted for 4.0% of total segment revenues. During the six months ended June 30, 2021, operating profit of the Russia segment was $7.0 million, representing an increase of $12.1 million, as compared to a $5.1 million operating loss in the corresponding period last year. This increase is attributable to the first six months of 2020 experiencing a decrease in revenues, costs incurred without recognizing corresponding revenues due to the delays in the timing of execution of contracts, and the devaluation of the Russian ruble relative to the U.S. dollar.
The following table presents Russia segment revenues by industry vertical for the periods indicated:
Three Months Ended
June 30,
ChangeSix Months Ended
June 30,
Change
20212020Dollars Percentage 20212020Dollars Percentage 
Industry Vertical(in thousands, except percentages)
Financial Services$24,631 $13,633 $10,998 80.7 %$45,709 $29,814 $15,895 53.3 %
Travel & Consumer6,739 3,824 2,915 76.2 %11,697 7,563 4,134 54.7 %
Software & Hi-Tech590 519 71 13.7 %1,095 2,485 (1,390)(55.9)%
Business Information & Media436 439 (3)(0.7)%823 799 24 3.0 %
Life Sciences & Healthcare204 39 165 423.1 %379 48 331 689.6 %
Emerging Verticals4,795 1,795 3,000 167.1 %6,910 3,464 3,446 99.5 %
        Revenues$37,395 $20,249 $17,146 84.7 %$66,613 $44,173 $22,440 50.8 %
Revenues in the Russia segment are generally subject to fluctuations and are impacted by the timing of revenue recognition associated with the execution of contracts and the devaluation of the Russian ruble relative to the U.S. dollar. Revenues were impacted by a reversal of $2.5 million of previously recognized revenues associated with a change in estimate of completed performance on a fixed-fee project during the second quarter of 2020. Revenues in the Financial Services vertical primarily benefited from increased revenues from customers in the banking sector. Revenue growth in Emerging Verticals during the three and six months of 2021 compared to the same periods in 2020 was primarily due to a growth from a certain customer in the materials industry. There have been no significant changes in the other verticals during the three months ended June 30, 2021 as compared to the same period in 2020.
Currency fluctuations of the Russian ruble frequently impact results in the Russia segment. Ongoing economic and geopolitical uncertainty in the region and the volatility of the Russian ruble can significantly impact reported revenues and profitability in this segment. We continue to monitor geopolitical forces, economic and trade sanctions, and other issues involving this region.


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Effects of Inflation
Economies in some countries where we operate, particularly Belarus, Russia, Uzbekistan, Kazakhstan, Ukraine and India have periodically experienced high rates of inflation. Periods of higher inflation may affect various economic sectors in those countries and increase our cost of doing business there. Inflation may increase some of our expenses such as wages. It is difficult to accurately measure the impact it has or could have on our results of operations and financial condition.
Liquidity and Capital Resources
Capital Resources
Our cash generated from operations has been our primary source of liquidity to fund operations and investments to support the growth of our business. As of June 30, 2021, our principal sources of liquidity were cash and cash equivalents totaling $1,283.2 million as well as $275.0 million of available borrowings under our revolving credit facility.
We have cash in banks in Belarus, Russia, Ukraine, Kazakhstan, Armenia, Georgia and Uzbekistan, where the banking sector remains subject to periodic instability, banking and other financial systems generally do not meet the banking standards of more developed markets and bank deposits made by corporate entities are not insured. As of June 30, 2021, the total amount of cash held in these countries was $120.7 million and, of this amount, $37.1 million was held in Belarus. Cash in this region is used for operational needs and cash balances in those banks change with the operating needs of our entities in the region. We regularly monitor cash held in these countries and, to the extent the cash held exceeds amounts required to support our business operations, we distribute the excess funds into markets with more developed banking sectors.
As of June 30, 2021, we had outstanding borrowings of $25.0 million under our revolving credit facility, and were in compliance with all covenants specified under the credit facility and we anticipate being in compliance for the foreseeable future. See Note 7 “Debt” of our condensed consolidated financial statements in “Part I. Item 1. Financial Statements (Unaudited)” for information regarding our debt.
Our ability to expand and grow our business in accordance with current plans and to meet our long-term capital requirements will depend on many factors, including the rate at which our cash flows increase or decrease and the availability of public and private debt and equity financing. We may require additional cash resources due to changed business conditions or other future developments, including any investments or acquisitions we may decide to pursue. If our resources are insufficient to satisfy our cash requirements, we may seek to sell additional equity or debt securities or obtain another credit facility.
Based on currently available information and management’s current expectations, we anticipate that we have sufficient cash on hand and sufficient access to capital to continue to fund our operations for a significant period of time. However, COVID-19 and related measures to contain its impact have caused material disruptions in both national and global financial markets and economies. The future impact of COVID-19 and the COVID-19 containment measures cannot be predicted with certainty and may increase our borrowing costs and other costs of capital and otherwise adversely affect our business, results of operations, financial condition and liquidity.
Cash Flows
The following table summarizes our cash flows for the periods indicated:
 Six Months Ended
June 30,
 20212020
 (in thousands)
Condensed Consolidated Statements of Cash Flow Data:
Net cash provided by operating activities$81,663 $209,411 
Net cash used in investing activities(97,390)(133,571)
Net cash used in financing activities(18,996)(6,648)
Effect of exchange rate changes on cash, cash equivalents and restricted cash(3,761)(11,999)
Net (decrease)/increase in cash, cash equivalents and restricted cash(38,484)57,193 
Cash, cash equivalents and restricted cash, beginning of period1,323,533 937,688 
Cash, cash equivalents and restricted cash, end of period$1,285,049 $994,881 
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Operating Activities
Net cash provided by operating activities during the six months ended June 30, 2021 was $81.7 million, a decrease of $127.7 million compared to $209.4 million provided by operating activities in the corresponding period of 2020. This decrease was largely driven by a larger increase in days sales outstanding and increased income tax payments during the first half of 2021 compared to the same period in 2020. The first six months of 2020 also benefited from delays in payment of certain employee-related costs.
Investing Activities
Net cash used in investing activities during the six months ended June 30, 2021 was $97.4 million compared to $133.6 million used in the same period in 2020. During the first six months of 2021, the cash used in investing activities was primarily attributable to $121.3 million used for the acquisitions of businesses, net of cash acquired, compared to $12.6 million used for the acquisitions of businesses, net of cash acquired, during the first six months of 2020. Cash used for capital expenditures was $33.8 million during the first six months of 2021 compared to cash used for capital expenditures of $40.5 million during the comparable period in 2020. Additionally, net cash used in investing activities was positively impacted by the maturity of $60.0 million of time deposits during the first six months of 2021 and negatively impacted by the $60.0 million use of cash to purchase these time deposits during the first six months of 2020. Furthermore, $2.5 million was used for purchases of non-marketable securities during the first six months of 2021 compared to $20.5 million used in the same period in 2020.
Financing Activities
Net cash used in financing activities was $19.0 million in the first six months of 2021 compared to $6.6 million net cash used in financing activities in the same period of 2020. During the first six months of 2021, we received cash from the exercises of stock options issued under our long-term incentive plans of $15.6 million, compared to $17.1 million received in the corresponding period of 2020. These cash inflows were offset by cash used for the payments of withholding taxes related to net share settlements of restricted stock units of $33.7 million in the first six months of 2021, compared to $15.9 million paid in the corresponding period of 2020. Additionally, the first six months of 2021 included the payment of $1.0 million for contingent consideration compared to payment of $7.9 million of contingent consideration related to the acquisition of Think during the first half of 2020.
Contractual Obligations and Future Capital Requirements
We believe that our existing cash and cash equivalents combined with our expected cash flow from operations will be sufficient to meet our projected operating and capital expenditure requirements for at least the next twelve months and that we possess the financial flexibility to execute our strategic objectives, including the ability to make acquisitions and strategic investments in the foreseeable future.
However, our ability to generate cash is subject to our performance, general economic conditions, industry trends and other factors including the impact of the COVID-19 pandemic as described elsewhere in this Management’s Discussion and Analysis of Financial Condition and Results of Operations. To the extent that existing cash and cash equivalents and operating cash flow are insufficient to fund our future activities and requirements, we may need to raise additional funds through public or private equity or debt financing. If we issue equity securities in order to raise additional funds, substantial dilution to existing stockholders may occur. If we raise cash through the issuance of additional indebtedness, we may be subject to additional contractual restrictions on our business. There is no assurance that we would be able to raise additional funds on favorable terms or at all.
See Note 12 “Commitments and Contingencies” of our condensed consolidated financial statements in “Part I. Item 1. Financial Statements (Unaudited)” of this Quarterly Report and “Part II. Item 7. Contractual Obligations and Future Capital Requirements” of our Annual Report on Form 10-K for the year ended December 31, 2020 for information regarding contractual obligations.
Off-Balance Sheet Commitments and Arrangements
We do not have any material obligations under guarantee contracts or other contractual arrangements other than as disclosed in Note 12 “Commitments and Contingencies” of our condensed consolidated financial statements in “Part I. Item 1. Financial Statements (Unaudited).” We have not entered into any transactions with unconsolidated entities where we have financial guarantees, subordinated retained interests, derivative instruments, or other contingent arrangements that expose us to material continuing risks, contingent liabilities, or any other obligation under a variable interest in an unconsolidated entity that provides financing, liquidity, market risk, or credit risk support to us, or engages in leasing, hedging, or research and development services with us.
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Recent Accounting Pronouncements
See Note 1 “Business and Summary of Significant Accounting Policies” to our unaudited condensed consolidated financial statements in “Part I. Item 1. Financial Statements (Unaudited)” for additional information.
Forward-Looking Statements
This quarterly report on Form 10-Q contains estimates and forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, principally in “Part I. Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our Annual Report on Form 10-K for the year ended December 31, 2020 also contains estimates and forward-looking statements, principally in “Part I. Item 1A. Risk Factors.” Our estimates and forward-looking statements are mainly based on our current expectations and estimates of future events and trends, which affect or may affect our business and operations. Those future events and trends may relate to, among other things, the anticipated impact of the COVID-19 pandemic and the effect that it may have on our sales, operations, access to capital, revenues, profitability and customer demand. Although we believe that these estimates and forward-looking statements are based upon reasonable assumptions, they are subject to several risks, uncertainties and assumptions as to future events that may not prove to be accurate and are made in light of information currently available to us. Important factors, in addition to the factors described in this quarterly report and in our Annual Report, may materially and adversely affect our results as indicated in forward-looking statements. You should read this quarterly report, our Annual Report and the documents that we have filed as exhibits hereto completely and with the understanding that our actual future results may be materially different from what we expect.
 The words “may,” “will,” “should,” “could,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “intend,” “potential,” “might,” “would,” “continue” or the negative of these terms or other comparable terminology and similar words are intended to identify estimates and forward-looking statements. Estimates and forward-looking statements speak only as of the date they were made, and, except to the extent required by law, we undertake no obligation to update, to revise or to review any estimate and/or forward-looking statement because of new information, future events or other factors. Estimates and forward-looking statements involve risks and uncertainties and are not guarantees of future performance. As a result of the risks and uncertainties described above, the estimates and forward-looking statements discussed in this quarterly report and our Annual Report on Form 10-K for the year ended December 31, 2020 might not occur and our future results, level of activity, performance or achievements may differ materially from those expressed in these forward-looking statements due to, including, but not limited to, the factors mentioned above, and the differences may be material and adverse. Because of these uncertainties, you should not place undue reliance on these forward-looking statements.

Item 3. Quantitative and Qualitative Disclosures About Market Risk
We are exposed to certain market risks in the ordinary course of our business. These risks primarily result from changes in concentration of credit, foreign currency exchange rates and interest rates. In addition, our international operations are subject to risks related to differing economic conditions, civil unrest, political instability or uncertainty, military activities, broad-based sanctions, differing tax structures, and other regulations and restrictions.
Concentration of Credit and Other Credit Risks
Financial instruments that potentially subject us to significant concentrations of credit risk consist primarily of cash, cash equivalents, short-term investments and trade receivables.
We maintain our cash, cash equivalents and short-term investments with financial institutions. We believe that our credit policies reflect normal industry terms and business risk and we do not anticipate non-performance by the counterparties. We have cash in banks in Belarus, Russia, Ukraine, Kazakhstan, Armenia, Uzbekistan and Georgia, where the banking sector remains subject to periodic instability. Banking and other financial systems generally do not meet the banking standards of more developed markets, and bank deposits made by corporate entities are not insured. As of June 30, 2021, $120.7 million of our total cash was kept in banks in these countries, of which $37.1 million was held in Belarus. In this region, and particularly in Belarus, a banking crisis, bankruptcy or insolvency of banks that process or hold our funds, may result in the loss of our deposits or adversely affect our ability to complete banking transactions in the region, which could adversely affect our business and financial condition. Cash in this region is used for operational needs and cash balances in those banks change with the operating needs of our entities in the region. We regularly monitor cash held in these countries and, to the extent the cash held exceeds amounts required to support our business operations, we distribute the excess funds into markets with more developed banking sectors.
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Trade receivables are generally dispersed across many customers operating in different industries; therefore, concentration of credit risk is limited and we do not believe significant credit risk existed at June 30, 2021. Though our results of operations depend on our ability to successfully collect payment from our customers for work performed, historically, credit losses and write-offs of trade receivables have not been material to our consolidated financial statements. If any of our customers enter bankruptcy protection or otherwise take steps to alleviate their financial distress resulting from the COVID-19 pandemic, our credit losses and write-offs of trade receivables could increase, which would negatively impact our results of operations.
Interest Rate Risk
Our exposure to market risk is influenced by the changes in interest rates on our cash and cash equivalent deposits and paid on any outstanding balance on our borrowings, mainly under our 2017 Credit Facility, which is subject to a variety of rates depending on the type and timing of funds borrowed. We do not believe we are exposed to material direct risks associated with changes in interest rates related to these deposits and borrowings.
Foreign Exchange Risk
Our global operations are conducted predominantly in U.S. dollars. Other than U.S. dollars, we generate revenues principally in euros, British pounds, Swiss francs, Canadian dollars and Russian rubles. Other than U.S. dollars, we incur expenditures principally in Russian rubles, Hungarian forints, Polish zlotys, British pounds, Swiss francs, euros, Indian rupees, Chinese yuan renminbi and Mexican pesos. As a result, currency fluctuations, specifically the depreciation of the euro, British pound, and Canadian dollar and the appreciation of the Russian ruble, Hungarian forint, Polish zloty, Chinese yuan renminbi and Indian rupee relative to the U.S. dollar, could negatively impact our results of operations.
During the quarter ended June 30, 2021, foreign exchange loss was $4.7 million compared to a loss of $9.2 million reported in the corresponding period last year. The losses were largely driven by the strengthening of the Russian ruble during the second quarter of 2021 and by the strengthening of the euro and British pound during the second quarter of 2020. During the six months ended June 30, 2021, foreign exchange loss was $2.4 million compared to a loss of $2.6 million in the corresponding period last year.
During the quarter ended June 30, 2021, approximately 34.4% of consolidated revenues and 44.2% of consolidated operating expenses were denominated in currencies other than the U.S. dollar.
To manage the risk of fluctuations in foreign currency exchange rates and hedge a portion of our forecasted foreign currency denominated operating expenses in the normal course of business, we implemented a hedging program through which we enter into a series of foreign exchange forward contracts with durations of twelve months or less that are designated as cash flow hedges of forecasted Russian ruble, Polish zloty and Indian rupee transactions. As of June 30, 2021, the net unrealized loss from these hedges was $2.1 million.
Management supplements results reported in accordance with United States generally accepted accounting principles, referred to as GAAP, with non-GAAP financial measures. Management believes these measures help illustrate underlying trends in our business and uses the measures to establish budgets and operational goals, communicated internally and externally, for managing our business and evaluating its performance. When important to management’s analysis, operating results are compared on the basis of “constant currency”, which is a non-GAAP financial measure. This measure excludes the effect of foreign currency exchange rate fluctuations by translating the current period revenues and expenses into U.S. dollars at the weighted average exchange rates of the prior period of comparison.
During the second quarter of 2021, we reported revenue growth of 39.4% over the second quarter of 2020. Had our consolidated revenues been expressed in constant currency terms using the exchange rates in effect during the second quarter of 2020, we would have reported revenue growth of 35.9%. Our revenues benefited from appreciation of the euro, British pound, Swiss franc and Canadian dollar relative to the U.S. dollar partially offset by the impact from depreciation of the Russian ruble relative to the U.S. dollar. During the second quarter of 2021, we reported a net income increase of 72.1% over the second quarter of 2020. Had our consolidated results been expressed in constant currency terms using the exchange rates in effect during the second quarter of 2020, we would have reported a net income increase of 63.0%. Net income was most positively impacted by appreciation of the euro and British pound relative to the U.S. dollar and by the depreciation of the Russian ruble relative to the U.S. dollar.

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Item 4. Controls and Procedures
Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures
Based on management’s evaluation, with the participation of our Chief Executive Officer and Chief Financial Officer, as of the end of the period covered by this report, these officers have concluded that our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), are effective to provide reasonable assurance that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms, and is accumulated and communicated to management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure.
Changes in Internal Control Over Financial Reporting
There has been no change in our internal control over financial reporting during the quarter ended June 30, 2021 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.


PART II. OTHER INFORMATION
Item 1. Legal Proceedings
From time to time, we are involved in litigation and claims arising out of our operations in the normal course of business. We are not currently a party to any material legal proceeding, nor are we aware of any material legal or governmental proceedings pending or contemplated to be brought against us.
Item 1A. Risk Factors
For a discussion of our potential risks and uncertainties, including the fast-changing nature of the COVID-19 pandemic and its impact on global economic conditions, and our significant operations in the emerging market economies of Eastern Europe, which may be impacted by fluctuating military activities in and near Ukraine and enhanced sanctions and responses between the U.S. and Russia as well as new or enhanced sanctions imposed by the U.S., Canada, and European countries against Belarus, see the risk factors disclosed under the heading “Part I. Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2020. The risks and uncertainties that we face are not limited to those set forth in our Annual Report on Form 10-K. Additional risks and uncertainties not presently known to us or that we currently believe to be immaterial may also adversely affect our business and the trading price of our common stock.
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
None.
Item 3. Defaults Upon Senior Securities
None.
Item 4. Mine Safety Disclosures
Not Applicable.
Item 5. Other Information
None.

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Item 6. Exhibits
Exhibit
Number
Description
  
31.1*
31.2*
32.1*
32.2*
101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCHInline XBRL Taxonomy Extension Schema Document
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
101.LABInline XBRL Taxonomy Extension Label Linkbase Document
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
104Cover Page Interactive Data File - (formatted as Inline XBRL and contained in Exhibit 101)
Indicates management contracts or compensatory plans or arrangements
*Exhibits filed herewith

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: August 5, 2021
 EPAM SYSTEMS, INC.
   
 By:/s/ Arkadiy Dobkin
  Name: Arkadiy Dobkin
  Title: Chairman, Chief Executive Officer and President
(principal executive officer)
   
 By:/s/ Jason Peterson
  Name: Jason Peterson
  Title: Senior Vice President, Chief Financial Officer and Treasurer
(principal financial officer)

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