Earnings release
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East West Bancorp, Inc. 135 N. Los Robles Ave. Pasadena, CA 91101 Tel. 626.768.6000 NEWS RELEASE EAST WEST BANCORP REPORTS RECORD QUARTERLY NET INCOME OF $382 MILLION AND RECORD QUARTERLY DILUTED EARNINGS PER SHARE OF $2.76 ON RECORD TOTAL REVENUE Pasadena, California – October 20, 2026 – East West Bancorp, Inc. (“East West” or the “Company”) (Nasdaq: EWBC), parent company of East West Bank, reported third quarter 2026 net income of $382 million, or $2.76 per diluted share. Total loans and deposits reached new record levels of $59.7 billion and $71.5 billion, respectively, as of September 30, 2026. Return on average assets was 1.79%, return on average common equity was 16.3%, and return on average tangible common equity was17.2%. “I am pleased to report another record-breaking quarter for East West,” said Dominic Ng, Chairman and Chief Executive Officer. “Revenue, net interest income, pre-tax pre-provision income (“PTPP”), net income, and diluted earnings per share all set new records. Deposits and loans also finished the quarter at record levels, with noninterest-bearing demand deposits increasing nearly 15% year-over-year. This deposit growth underscores the success of our small business checking strategy and reflects our ability to build broader, more valuable relationships with our customers.” “Fee income remained strong, increasing 11% year-over-year during the first nine months of 2026, supported by solid third- quarter growth in commercial deposit account fees. Our disciplined approach to credit and expense management continued to bear fruit this quarter. Asset quality remained resilient, and given continued uncertainty in the economic outlook, we further bolstered our allowance for loan losses,” said Ng. “East West continues to operate from a position of strength. Our diversified business model, conservatively managed balance sheet, and industry-leading profitability should enable us to deliver top-quartile returns for our shareholders in the years ahead,” Ng concluded. FINANCIAL HIGHLIGHTS Three Months Ended September 30, 2026% Change ($ in millions, except per share data) September 30,2026 June 30,2026 September 30,2025 Qtr-o-Qtr Yr-o-Yr Total Revenue $823 $791 $778 4 % 6 % Pre-tax, Pre-provision Income 540 501 501 8 8 Net Income 382 364 368 5 4 Diluted Earnings per Share $2.76 $2.63 $2.65 5 4 Book Value per Share $65.97 $67.48 $62.39 (2) 6 Tangible Book Value per Share $62.55 $64.06 $58.97 (2 %) 6 % Return on Average Assets 1.79% 1.75% 1.84% 4 bps -5 bps Return on Average Common Equity 16.30% 16.01% 17.44% 29 bps -114 bps Return on Average Tangible Common Equity 17.17% 16.88% 18.48% 29 bps -131 bps Total Stockholders’ Equity to Assets Ratio 10.51% 10.91% 10.77% -40 bps -26 bps Tangible Common Equity Ratio 10.02% 10.41% 10.24% -39 bps -22 bps Total Assets $86,012 $84,763 $79,670 1 % 8 % Return on average tangible common equity, tangible book value per share, and tangible common equity ratio are non-GAAP financial measures. Seereconciliation of GAAP to non-GAAP measures in Table 16. Pre-tax, pre-provision income is a non-GAAP financial measure. See reconciliation of GAAP to non-GAAP financial measures in Table 15. 1 2 1 1 1 1 2 1
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BALANCE SHEET • Assets – Total assets were $86.0 billion as of September 30, 2026, an increase of $1.2 billion, or 1%, from $84.8 billion as of June 30, 2026. Year-over-year, total assets grew $6.3 billion, or 8%, from $79.7 billion as of September 30, 2025. Third quarter 2026 average interest-earning assets of $81.8 billion were up $1.7 billion, or 2%, from $80.1 billion in the second quarter, primarily reflecting $1.0 billion of average securities growth and a $0.7 billion increase in average total loans outstanding. • Loans – Total loans reached a record $59.7 billion as of September 30, 2026, an increase of $0.7 billion, or 1%, from $59.0 billion as of June 30, 2026. Year-over-year, total loans were up $3.9 billion, or 7%, from $55.8 billion as of September 30, 2025. Third quarter 2026 average total loans grew by $0.7 billion, or 1%, to $58.9 billion, from $58.2 billion in the second quarter of 2026. • Deposits – Total deposits reached a record $71.5 billion as of September 30, 2026, an increase of $1.4 billion, or 2%, from $70.1 billion as of June 30, 2026, reflecting growth across all deposit product types. Noninterest-bearing deposits made up 26% of total deposits as of September 30, 2026. Year-over-year, total deposits increased $4.9 billion, or 7%, from $66.6 billion as of September 30, 2025. Third quarter 2026 total average deposits of $70.3 billion increased $1.6 billion, or 2.3% from the second quarter of 2026, primarily reflecting growth in average noninterest-bearing demand, money market, interest-bearing checking, and time deposits. • Capital – As of September 30, 2026, stockholders’ equity was $9.0 billion, down 2% quarter-over-quarter. The total stockholders’ equity to assets ratio was 10.51% as of September 30, 2026, compared with 10.91% as of June 30, 2026. Book value per share and tangible book value per share were $65.97 and $62.55, respectively, as of September 30, 2026, each down $1.51, or 2% quarter-over-quarter, primarily reflecting changes in the value of available-for-sale (“AFS”) debt securities net of tax. East West’s regulatory capital ratios are well in excess of requirements for well-capitalized institutions, and well above regional bank averages. CAPITAL STRENGTH Capital metrics as of September 30, 2026, June 30, 2026, and September 30, 2025 are presented below. EWBC Capital ($ in millions) September 30, 2026 June 30, 2026 September 30, 2025 Risk-Weighted Assets (“RWA”) $61,277 $59,201 $57,043 Risk-based capital ratios: Total capital ratio 16.72% 16.75% 16.15% CET1 capital ratio 15.41% 15.44% 14.83% Tier 1 capital ratio 15.41% 15.44% 14.83% Leverage ratio 11.11% 11.00% 10.66% Total stockholders’ equity to assets ratio 10.51% 10.91% 10.77% Tangible common equity ratio 10.02% 10.41% 10.24% (a) The Company’s September 30, 2026 regulatory capital ratios and RWA are preliminary. (b) Under regulatory guidelines, on-balance sheet assets and credit equivalent amounts of derivatives and off-balance sheet items are assigned to one of several broad risk categories based on the nature of the obligor, or, if relevant, the guarantor or the nature of any collateral. The aggregate dollar value in each risk category is then multiplied by the risk weight associated with that category. The resulting weighted values from each of the risk categories are aggregated for determining total RWA. (c) Tangible common equity ratio is a non-GAAP financial measure. See reconciliation of GAAP to non-GAAP measures in Table 16. Tangible book value per share is a non-GAAP financial measure. See reconciliation of GAAP to non-GAAP measures in Table 16. 3 (a) (b) (c) 3
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OPERATING RESULTS Third Quarter Earnings – Third quarter 2026 revenue was a record $823 million, up $32 million, or 4% quarter-over-quarter, driven primarily by record quarterly net interest income. Pre-tax, pre-provision income totaled a record $540 million in the third quarter, up $39 million, or 8% quarter-over-quarter. Third quarter 2026 net income was a record $382 million, an increase of $18 million, or 5% from the second quarter, and 4% from $368 million for the third quarter of 2025. Third quarter 2026 diluted earnings per share (“EPS”) were $2.76, an increase of 5% from $2.63 per diluted share for the second quarter and 4% from $2.65 per diluted share for the third quarter of 2025. Third Quarter 2026 Compared to Second Quarter 2026 and Third Quarter 2025 Net Interest Income and Net Interest Margin Net interest income totaled $719 million in the third quarter of 2026, an increase of over $34 million, or 5%, from $685 million in the prior quarter and $41 million, or 6%, from the third quarter of 2025. Net interest margin was 3.49% in the third quarter of 2026, a 6 basis-point increase from the prior quarter and a 4 basis-point decrease from the third quarter of 2025. • The average loan yield was 6.05%, up 3 basis points from the prior quarter. The average interest-earning asset yield was 5.45%, up 4 basis points from the prior quarter. • The average cost of interest-bearing deposits was 2.81%, unchanged from the prior quarter. The average cost of funds was 2.17%, down 2 basis points from the prior quarter. Noninterest Income Noninterest income totaled $104 million in the third quarter of 2026, a decrease of $3 million, or 2%, from the record level set in the second quarter and an increase of $3 million, or 3%, from the third quarter of 2025. Derivative mark-to-market and credit valuation adjustments resulted in a gain of $6 million in the third quarter, compared with a loss of $1 million in the second quarter. Fee income of $93 million decreased $2 million, or 2%, from $96 million in the prior quarter and increased $2 million, or 2%, from the third quarter of 2025. • Foreign exchange income increased $3 million quarter-over-quarter and commercial and consumer deposit-related fees increased $1 million quarter-over-quarter, both reflecting higher customer activity. • Wealth management fees decreased $4 million in the third quarter and lending and loan servicing fees decreased $2 million in the third quarter, both reflecting lower customer activity. • Other income decreased $6 million quarter-over-quarter, primarily reflecting gains from investments held in connection with deferred compensation plans in the prior quarter. • Other investment income increased $2 million quarter-over-quarter, reflecting higher income from investments. Noninterest Expense Total noninterest expense was $283 million in the third quarter, which included $24 million of amortization for tax credit and Community Reinvestment Act investments. Total operating noninterest expense was $259 million, a decrease of $9 million, or 3% from the second quarter and $2 million, or 1%, from the third quarter of 2025. • Other operating expense was $33 million, a decrease of $6 million, reflecting expense recoveries related to the resolution of problem loans. • Compensation and employee benefits expense was $170 million, a decrease of $3 million, primarily reflecting lower deferred compensation expense and certain benefit accrual adjustments in the prior quarter, partially offset by greater salary expense. • Other real estate owned (“OREO”) expense decreased $2 million in the third quarter, primarily due to a gain recognized on the resolution of an OREO property. • Computer and software related expenses were $18 million, an increase of $3 million, primarily reflecting a write-off of certain technology-related assets. • The efficiency ratio was 34.4% in the third quarter, compared with 36.7% in the prior quarter. Pre-tax, pre-provision income is a non-GAAP financial measure. See reconciliation of GAAP to non-GAAP financial measures in Table 15. Fee income includes commercial and consumer deposit-related fees, lending and loan servicing fees, foreign exchange income, wealth management fees,and customer derivative income. Refer to Table 3 for additional fee and noninterest income information. 4 5 4 5 3
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TAX RELATED ITEMS Third quarter 2026 income tax expense was $113 million and the effective tax rate was 22.7%, compared with income tax expense of $104 million and 22.2% in the second quarter, primarily reflecting greater pre-tax income in the third quarter. ASSET QUALITY As of September 30, 2026, the credit quality of our loan portfolio remained solid. • Third quarter 2026 net charge-offs were $22 million, or 0.15% annualized of average loans held-for-investment (“HFI”), compared with $27 million, or 0.19% annualized of average loans HFI, for the second quarter of 2026. • The nonperforming assets ratio was 0.30% of total assets as of September 30, 2026, a 1 basis point increase from the prior quarter. Nonperforming assets increased $9 million to $256 million as of September 30, 2026, from $247 million as of June 30, 2026, driven primarily by an increase in OREO and partially offset by a decrease in commercial real estate and residential mortgage nonaccrual loans. • The allowance for loan losses was $865 million, or 1.45% of loans HFI, as of September 30, 2026, compared with $842 million, or 1.43% of loans HFI, as of June 30, 2026. • Third quarter 2026 provision for credit losses was $45 million, compared with $33 million in the second quarter of 2026. DIVIDEND PAYOUT AND CAPITAL ACTIONS East West’s Board of Directors has declared the fourth quarter 2026 dividend for the Company’s common stock. The common stock cash dividend of $0.80 per share is payable on November 17th, 2026 to shareholders of record as of November 2nd, 2026. East West did not repurchase any shares of common stock during the third quarter of 2026. $117 million of East West’s share repurchase authorization remains available. About East West East West provides financial services that help customers reach further and connect to new opportunities. East West Bancorp, Inc. is a public company (Nasdaq: “EWBC”) with total assets of $86.0 billion as of September 30, 2026. The Company’s wholly-owned subsidiary, East West Bank, is the largest independent bank headquartered in Southern California, and operates over 110 locations in the United States and Asia. The Bank’s markets in the United States include California, Georgia, Illinois, Massachusetts, Nevada, New York, Texas, and Washington. For more information on East West, visit www.eastwestbank.com. Conference Call East West will host a conference call to discuss third quarter 2026 earnings with the public on Tuesday, October 20, 2026 at 2:00 p.m. PT/5:00 p.m. ET. The public and investment community are invited to listen as management discusses third quarter 2026 results and operating developments. • The following dial-in information is provided for participation in the conference call: calls within the U.S. - (877) 506- 6399; calls within Canada – (855) 669-9657; international calls – (412) 902-6699. • A presentation to accompany the earnings call, a listen-only live broadcast of the call, and information to access a replay one hour after the call will all be available on the Investor Relations page of the Company’s website at www.eastwestbank.com/investors. For Investor and Media Inquiries, Contact: Adrienne Atkinson Director of Investor Relations and Corporate Development T: (626) 788-7536 E: adrienne.atkinson@eastwestbank.com 4
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Forward-Looking Statements Certain matters set forth herein (including any exhibits hereto) contain “forward-looking statements” intended to be covered by the safe harbor for such statements provided by the Private Securities Litigation Reform Act of 1995. East West Bancorp, Inc. (referred to herein on an unconsolidated basis as “East West” and on a consolidated basis as the “Company,” “we,” “our” or “EWBC”) may make forward-looking statements in other documents that it files with, or furnishes to, the U.S. Securities and Exchange Commission (“SEC”) and management may make forward-looking statements to analysts, investors, media members and others. Forward-looking statements are those that do not relate to historical facts and that are based on current assumptions, beliefs, estimates, expectations and projections, many of which, by their nature, are inherently uncertain and beyond the Company’s control. Forward-looking statements may relate to various matters, including the Company’s financial condition, results of operations, plans, objectives, future performance, business or industry, and usually can be identified by the use of forward-looking words, such as “anticipates,” “assumes,” “believes,” “can,” “continues,” “could,” “estimates,” “expects,” “forecasts,” “goal,” “intends,” “likely,” “may,” “might,” “objective,” “plans,” “potential,” “projects,” “remains,” “should,” “target,” “trend,” “will,” “would,” or similar expressions or variations thereof, and the negative thereof, although these terms are not the exclusive means of identifying such statements. You should not place undue reliance on forward-looking statements, as they are subject to known and unknown risks and uncertainties. Factors that might cause future results to differ materially from historical performance and any forward-looking statements include, but are not limited to: changes in local, regional and global business, economic and political conditions and natural or geopolitical events; the soundness of other financial institutions and the impacts related to or resulting from bank failures and other industry volatility, including potential increased regulatory requirements, Federal Deposit Insurance Corporation (“FDIC”) insurance premiums and assessments, and deposit withdrawals; changes in trade, tariff, tax, monetary and fiscal policies; changes in immigration laws and enforcement practices, or travel and visa related policies; current or potential disputes between the U.S., the People’s Republic of China and other countries; armed conflict involving Iran or heightened geopolitical tensions in other regions, including resulting oil price volatility and energy and other supply disruptions; changes in the commercial and consumer real estate markets; changes in consumer or commercial spending, savings and borrowing habits, patterns and behaviors; the Company’s ability to compete effectively against financial institutions and other entities, including as a result of emerging technologies; the success and timing of the Company’s business strategies; the Company’s ability to retain key officers and employees; changes in market interest rates, competition, regulatory requirements and product mix; changes in the Company’s costs of operation, compliance and expansion; disruption, failure in, or breach of, the Company’s operational or security systems or infrastructure, or those of third party vendors with which the Company does business, including as a result of cyber-attacks, and the disclosure or misuse of confidential information; the adequacy of the Company’s risk management framework; future credit quality and performance, including expectations regarding future credit losses and allowance levels; adverse changes to the Company’s credit ratings; legal proceedings, regulatory investigations and their resolution; the Company’s capital requirements and its ability to generate capital internally or raise capital on favorable terms; the impact on the Company’s liquidity due to changes in its ability to receive dividends from subsidiaries; any strategic acquisitions or divestitures; and the introduction of new or expanded products and services or other events that may directly or indirectly result in a negative impact on the financial performance of the Company and its customers. For a more detailed discussion of some of the factors that might cause future results to differ materially from historical performance and any forward-looking statements, see the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, filed with the SEC on February 27, 2026 under the heading Item 1A. Risk Factors and the Company’s subsequent filings with the SEC. Forward-looking statements speak only as of the date they are made and are based solely on information then actually known to the Company. The Company does not undertake, and expressly disclaims any obligation to update or revise any forward-looking statements to reflect events or circumstances after the date of such statements, except as required by law. 5
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EAST WEST BANCORP, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED BALANCE SHEET ($ and shares in thousands, except per share data) (unaudited) Table 1 September 30, 2026 % or Basis Point Change September 30, 2026 June 30, 2026 September 30, 2025 Qtr-o-Qtr Yr-o-Yr Assets Cash and cash equivalents, and deposits withbanks $ 4,647,504 $ 5,101,349 $ 4,762,394 (8.9)% (2.4)% Securities purchased under resaleagreements (“resale agreements”) 425,000 425,000 425,000 — — Available-for-sale (“AFS”) debt securities(amortized cost of $16,311,109,$15,055,558 and $13,189,313) 15,185,584 14,581,546 12,741,152 4.1 19.2 Held-to-maturity (“HTM”) debt securities, atamortized cost (fair value of $2,315,671,$2,443,494 and $2,467,362) 2,834,710 2,845,364 2,880,682 (0.4) (1.6) Total cash, resale agreements and debtsecurities 23,092,798 22,953,259 20,809,228 0.6 11.0 Loans held-for-sale (“HFS”) 17,425 17,425 19,596 — (11.1) Loans held-for-investment (“HFI”) (net ofallowance for loan losses of $864,631,$842,056 and $790,520) 58,846,086 58,121,884 54,976,252 1.2 7.0 Affordable housing partnership, tax credit andCommunity Reinvestment Act (“CRA”)investments, net 885,343 919,230 982,247 (3.7) (9.9) Goodwill 465,697 465,697 465,697 — — Operating lease right-of-use assets 153,761 149,110 77,855 3.1 97.5 Other assets 2,550,628 2,136,867 2,338,656 19.4 9.1 Total assets $ 86,011,738 $ 84,763,472 $ 79,669,531 1.5% 8.0% Liabilities and Stockholders’ Equity Deposits $ 71,492,639 $ 70,092,693 $ 66,587,556 2.0% 7.4% Short-term borrowings — — 9,851 — (100.0) Federal Home Loan Bank (“FHLB”) advances 3,000,000 3,000,000 3,000,000 — — Securities sold under repurchase agreements(“repurchase agreements”) 964,000 956,894 53,489 0.7 NM Long-term debt and finance lease liabilities 35,380 35,451 35,707 (0.2) (0.9) Operating lease liabilities 173,876 164,973 83,998 5.4 107.0 Accrued expenses and other liabilities 1,306,081 1,267,532 1,316,130 3.0 (0.8) Total liabilities 76,971,976 75,517,543 71,086,731 1.9 8.3 Stockholders’ equity 9,039,762 9,245,929 8,582,800 (2.2) 5.3 Total liabilities and stockholders’ equity $ 86,011,738 $ 84,763,472 $ 79,669,531 1.5% 8.0% Total cash, resale agreements and debtsecurities/total assets 26.85% 27.08% 26.12% (23) bps 73 bps Total stockholders’ equity to assets ratio 10.51% 10.91% 10.77% (40) (26) Tangible common equity (“TCE”) ratio 10.02% 10.41% 10.24% (39) bps (22) bps Book value per share $ 65.97 $ 67.48 $ 62.39 (2.2)% 5.7% Tangible book value per share $ 62.55 $ 64.06 $ 58.97 (2.4) 6.1 Number of common shares at period-end 137,020 137,011 137,568 0.0% (0.4)% NM - Not meaningful. (1) The TCE ratio and the tangible book value are non-GAAP financial measures. See reconciliation of GAAP to non-GAAP measures in Table 16. (1) (1) 6
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EAST WEST BANCORP, INC. AND SUBSIDIARIES TOTAL LOANS AND DEPOSITS DETAIL ($ in thousands) (unaudited) Table 2 September 30, 2026% Change September 30, 2026 June 30, 2026 September 30, 2025 Qtr-o-Qtr Yr-o-Yr Loans: Commercial: Commercial and industrial (“C&I”) $ 19,786,324 $ 19,862,701 $ 18,001,529 (0.4)% 9.9 % Commercial real estate (“CRE”): CRE 15,810,599 15,585,610 15,231,167 1.4 3.8 Multifamily residential 5,529,717 5,251,556 5,037,284 5.3 9.8 Construction and land 754,581 831,822 776,587 (9.3) (2.8) Total CRE 22,094,897 21,668,988 21,045,038 2.0 5.0 Consumer: Residential mortgage: Single-family residential (“SFR”) 15,708,065 15,336,309 14,820,911 2.4 6.0 Home equity loans 2,058,958 2,039,285 1,852,408 1.0 11.2 Total residential mortgage 17,767,023 17,375,594 16,673,319 2.3 6.6 Other consumer 62,473 56,657 46,886 10.3 33.2 Total loans HFI 59,710,717 58,963,940 55,766,772 1.3 7.1 Loans HFS 17,425 17,425 19,596 — (11.1) Total loans 59,728,142 58,981,365 55,786,368 1.3 7.1 Allowance for loan and lease losses(“ALLL”) (864,631) (842,056) (790,520) 2.7 9.4 Net loans $ 58,863,511 $ 58,139,309 $ 54,995,848 1.2 % 7.0 % Deposits by product: Noninterest-bearing demand $ 18,539,391 $ 18,355,698 $ 16,141,954 1.0 % 14.9 % Interest-bearing checking 8,137,769 8,047,826 7,854,206 1.1 3.6 Money market 16,934,855 16,259,299 15,609,931 4.2 8.5 Savings 2,028,208 1,891,021 1,689,978 7.3 20.0 Time deposits 25,852,416 25,538,849 25,291,487 1.2 2.2 Total deposits $ 71,492,639 $ 70,092,693 $ 66,587,556 2.0 % 7.4 % Deposits by segment/region: Consumer and Business Banking - U.S. $ 37,270,185 $ 36,951,120 $ 34,378,478 0.9 % 8.4 % Commercial Banking - U.S. 25,674,675 24,910,459 23,908,133 3.1 7.4 International Branches 4,264,566 4,133,100 3,835,351 3.2 11.2 Treasury and Other - U.S. 4,283,213 4,098,014 4,465,594 4.5 (4.1) Total deposits $ 71,492,639 $ 70,092,693 $ 66,587,556 2.0 % 7.4 % Loan-to-deposit ratio 83.54 % 84.15 % 83.78 % (61) bps (24) bps (1) Includes $11 million, $13 million and $24 million of net deferred loan fees and net unamortized premiums as of September 30, 2026, June 30, 2026 and September 30, 2025, respectively. (2) Deposits of our Hong Kong branch and China subsidiary bank branches are a subset of Commercial Banking segment deposits. (3) Treasury and Other segment deposits reflect wholesale, public funds, and brokered deposits, primarily managed by the Company’s Treasury department. (1) (1) (1) (2) (3) 7
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EAST WEST BANCORP, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED STATEMENT OF INCOME ($ and shares in thousands, except per share data) (unaudited) Table 3 Three Months Ended September 30, 2026% Change September 30, 2026 June 30, 2026 September 30, 2025 Qtr-o-Qtr Yr-o-Yr Interest and dividend income $ 1,124,729 $ 1,080,823 $ 1,129,732 4.1% (0.4)% Interest expense 405,833 396,172 452,202 2.4 (10.3) Net interest income before provision for credit losses 718,896 684,651 677,530 5.0 6.1 Provision for credit losses 45,000 33,000 36,000 36.4 25.0 Net interest income after provision for credit losses 673,896 651,651 641,530 3.4% 5.0% Noninterest income: Commercial and consumer deposit-related fees 32,603 31,621 28,409 3.1 14.8 Lending and loan servicing fees 25,790 27,961 27,605 (7.8) (6.6) Foreign exchange income 17,798 14,926 14,491 19.2 22.8 Wealth management fees 15,540 19,461 14,562 (20.1) 6.7 Customer derivative income 1,749 1,895 6,442 (7.7) (72.9) Total fee income 93,480 95,864 91,509 (2.5) 2.2 Derivative mark-to-market and credit valuationadjustments 6,325 (732) (318) NM NM Net gains on AFS debt securities 290 2,931 57 (90.1) 408.8 Other investment income (loss) 1,699 (49) 705 NM 141.0 Other income 2,059 8,478 8,564 (75.7) (76.0) Total noninterest income 103,853 106,492 100,517 (2.5)% 3.3% Noninterest expense: Compensation and employee benefits 169,575 172,543 175,585 (1.7)% (3.4)% Occupancy and equipment expense 19,224 19,553 16,970 (1.7) 13.3 Computer and software related expenses 17,991 15,433 12,949 16.6 38.9 Deposit insurance premiums and regulatoryassessments 10,519 10,268 8,644 2.4 21.7 Deposit account expense 9,493 8,906 8,851 6.6 7.3 Other real estate owned (“OREO”) (income)expense (185) 2,254 2,186 NM NM Other operating expense 32,695 38,869 36,045 (15.9) (9.3) Total operating noninterest expense 259,312 267,826 261,230 (3.2) (0.7) Amortization of tax credit and CRA investments 23,731 22,796 15,693 4.1 51.2 Total noninterest expense 283,043 290,622 276,923 (2.6) 2.2 Income before income taxes 494,706 467,521 465,124 5.8 6.4 Income tax expense 112,510 103,821 96,730 8.4 16.3 Net income $ 382,196 $ 363,700 $ 368,394 5.1% 3.7% Earnings per share (“EPS”) - Basic $ 2.78 $ 2.65 $ 2.68 5.1% 3.9% - Diluted $ 2.76 $ 2.63 $ 2.65 4.8 4.0 Weighted-average number of shares outstanding - Basic 137,471 137,450 137,676 0.0% (0.1)% - Diluted 138,461 138,301 138,942 0.1 (0.3) NM - Not meaningful. (1) Includes $32 million of discount accretion and interest recoveries from the full payment on purchased credit impaired and workout loans during the three months ended September 30, 2025. (2) Includes DC Solar recoveries of $30 thousand and $293 thousand in Other investment income and Other operating expense, respectively, for the three months ended September 30, 2026, and $50 thousand of DC Solar recoveries in Amortization of tax credit and CRA investments for the three months ended September 30, 2025. (3) Includes $6 million, $5 million and $27 million of additional compensation expense from the change in equity award expense recognition for retirement eligible employees for the three months ended September 30, 2026, June 30, 2026 and September 30, 2025, respectively. (4) Includes $2 million of FDIC special assessment reversals for the three months ended September 30, 2025. (1) (2) (3) (4) (2) (2) 8
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EAST WEST BANCORP, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED STATEMENT OF INCOME ($ and shares in thousands, except per share data) (unaudited) Table 4 Nine Months Ended September 30, 2026% Change September 30, 2026 September 30, 2025 Yr-o-Yr Interest and dividend income $ 3,261,062 $ 3,220,533 1.3% Interest expense 1,186,322 1,325,728 (10.5) Net interest income before provision for credit losses 2,074,740 1,894,805 9.5 Provision for credit losses 114,000 130,000 (12.3) Net interest income after provision for credit losses 1,960,740 1,764,805 11.1% Noninterest income: Commercial and consumer deposit-related fees 94,843 82,349 15.2 Lending and loan servicing fees 79,821 79,421 0.5 Foreign exchange income 48,171 44,043 9.4 Wealth management fees 57,261 38,966 47.0 Customer derivative income 8,239 15,626 (47.3) Total fee income 288,335 260,405 10.7 Derivative mark-to-market and credit valuation adjustments 6,527 (3,232) NM Net gains on AFS debt securities 3,837 934 310.8 Other investment income 4,606 3,645 26.4 Other income 9,596 17,045 (43.7) Total noninterest income 312,901 278,797 12.2% Noninterest expense: Compensation and employee benefits 514,783 466,861 10.3% Occupancy and equipment expense 57,025 48,948 16.5 Computer and software related expenses 48,171 39,709 21.3 Deposit insurance premiums and regulatory assessments 29,646 28,162 5.3 Deposit account expense 25,932 27,241 (4.8) OREO expense 1,805 5,859 (69.2) Other operating expense 108,106 110,640 (2.3) Total operating noninterest expense 785,468 727,420 8.0 Amortization of tax credit and CRA investments 68,511 57,671 18.8 Total noninterest expense 853,979 785,091 8.8 Income before income taxes 1,419,662 1,258,511 12.8 Income tax expense 315,970 289,594 9.1 Net income $ 1,103,692 $ 968,917 13.9% EPS - Basic $ 8.02 $ 7.03 14.1% - Diluted $ 7.97 $ 6.97 14.4 Weighted-average number of shares outstanding - Basic 137,662 137,897 (0.2)% - Diluted 138,512 139,090 (0.4) NM - Not meaningful. (1) Includes $32 million of discount accretion and interest recoveries from the full payment on purchased credit impaired and workout loans during the nine months ended September 30, 2025. (2) Includes DC Solar recoveries of $30 thousand and $293 thousand in Other investment income and Other operating expense, respectively, for the nine months ended September 30, 2026, and $50 thousand of DC Solar recoveries in Amortization of tax credit and CRA investments for the nine months ended September 30, 2025. (3) Includes $17 million and $27 million of additional compensation expense from the change in equity award expense recognition for retirement eligible employees for the nine months ended September 30, 2026 and 2025, respectively. (4) Includes $1 million and $2 million of FDIC special assessment reversals for the nine months ended September 30, 2026 and 2025, respectively. (1) (2) (3) (4) (2) (2) 9
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EAST WEST BANCORP, INC. AND SUBSIDIARIES SELECTED AVERAGE BALANCES ($ in thousands) (unaudited) Table 5 Three Months Ended September 30, 2026% Change Nine Months Ended September 30,2026% Change September 30,2026 June 30, 2026 September 30,2025 Qtr-o-Qtr Yr-o-Yr September 30,2026 September 30,2025 Yr-o-Yr Loans: Commercial: C&I $ 19,442,270 $ 19,452,052 $ 17,799,708 (0.1)% 9.2% $ 19,218,255 $ 17,346,156 10.8% CRE: CRE 15,662,228 15,532,163 15,110,134 0.8 3.7 15,540,500 14,903,483 4.3 Multifamily residential 5,423,255 5,196,260 4,963,703 4.4 9.3 5,251,327 4,970,095 5.7 Construction and land 780,455 822,119 752,402 (5.1) 3.7 789,714 706,215 11.8 Total CRE 21,865,938 21,550,542 20,826,239 1.5 5.0 21,581,541 20,579,793 4.9 Consumer: Residentialmortgage: Single-family residential 15,498,607 15,186,553 14,688,172 2.1 5.5 15,234,821 14,469,661 5.3 Home equityloans 2,042,206 1,987,280 1,848,524 2.8 10.5 1,981,665 1,839,613 7.7 Total residentialmortgage 17,540,813 17,173,833 16,536,696 2.1 6.1 17,216,486 16,309,274 5.6 Other consumer 57,707 53,075 45,935 8.7 25.6 54,128 47,537 13.9 Total loans $ 58,906,728 $ 58,229,502 $ 55,208,578 1.2% 6.7% $ 58,070,410 $ 54,282,760 7.0% Interest-earningassets $ 81,830,917 $ 80,089,545 $ 76,206,138 2.2% 7.4% $ 79,976,667 $ 74,288,924 7.7% Total assets $ 84,866,588 $ 83,150,969 $ 79,310,698 2.1% 7.0% $ 83,046,474 $ 77,279,375 7.5% Deposits: Noninterest-bearingdemand $ 18,269,023 $ 17,362,645 $ 15,767,292 5.2% 15.9% $ 17,508,140 $ 15,331,138 14.2% Interest-bearingchecking 7,747,190 7,530,547 7,501,315 2.9 3.3 7,643,796 7,621,067 0.3 Money market 16,787,308 16,545,079 16,565,937 1.5 1.3 16,514,110 15,581,506 6.0 Savings 1,948,576 1,905,782 1,705,332 2.2 14.3 1,852,994 1,734,325 6.8 Time deposits 25,539,637 25,353,592 24,649,891 0.7 3.6 25,336,683 23,913,370 6.0 Total deposits $ 70,291,734 $ 68,697,645 $ 66,189,767 2.3% 6.2% $ 68,855,723 $ 64,181,406 7.3% (1) Includes loans HFS. (1) 10
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EAST WEST BANCORP, INC. AND SUBSIDIARIES QUARTER-TO-DATE AVERAGE BALANCES, YIELDS AND RATES ($ in thousands) (unaudited) Table 6 Three Months Ended September 30, 2026 June 30, 2026 AverageBalance Interest AverageYield/Rate AverageBalance Interest AverageYield/Rate Assets Interest-earning assets: Interest-bearing cash and deposits with banks $ 4,088,944 $ 31,340 3.04% $ 3,985,838 $ 31,216 3.14% Resale agreements 425,000 1,624 1.52% 425,000 1,624 1.53% Debt securities: AFS 15,413,280 173,084 4.46% 14,441,915 158,285 4.40% HTM 2,837,584 12,013 1.68% 2,849,553 12,044 1.70% Total debt securities 18,250,864 185,097 4.02% 17,291,468 170,329 3.95% Loans: C&I 19,442,270 312,463 6.38% 19,452,052 304,621 6.28% CRE 21,865,938 330,294 5.99% 21,550,542 320,535 5.97% Residential mortgage 17,540,813 255,369 5.78% 17,173,833 248,541 5.80% Other consumer 57,707 855 5.88% 53,075 792 5.98% Total loans 58,906,728 898,981 6.05% 58,229,502 874,489 6.02% FHLB and FRB stock 159,381 7,687 19.14% 157,737 3,165 8.05% Total interest-earning assets $ 81,830,917 $ 1,124,729 5.45% $ 80,089,545 $ 1,080,823 5.41% Noninterest-earning assets: Cash and due from banks 301,160 311,337 Allowance for loan and lease losses (865,002) (854,564) Other assets 3,599,513 3,604,651 Total assets $ 84,866,588 $ 83,150,969 Liabilities and Stockholders’ Equity Interest-bearing liabilities: Checking deposits $ 7,747,190 $ 40,714 2.08% $ 7,530,547 $ 37,692 2.01% Money market deposits 16,787,308 112,053 2.65% 16,545,079 108,628 2.63% Savings deposits 1,948,576 5,002 1.02% 1,905,782 4,511 0.95% Time deposits 25,539,637 210,632 3.27% 25,353,592 208,591 3.30% Total interest-bearing deposits 52,022,711 368,401 2.81% 51,335,000 359,422 2.81% Short-term borrowings and federal funds purchased 514 7 5.44% 364 5 5.08% FHLB advances 3,040,218 29,902 3.90% 3,041,759 29,455 3.88% Repurchase agreements 710,815 6,904 3.85% 707,880 6,680 3.79% Long-term debt and finance lease liabilities 35,376 619 6.94% 35,480 610 6.89% Total interest-bearing liabilities $ 55,809,634 $ 405,833 2.88% $ 55,120,483 $ 396,172 2.88% Noninterest-bearing liabilities and stockholders’ equity: Demand deposits 18,269,023 17,362,645 Accrued expenses and other liabilities 1,483,003 1,553,445 Stockholders’ equity 9,304,928 9,114,396 Total liabilities and stockholders’ equity $ 84,866,588 $ 83,150,969 Total deposits $ 70,291,734 $ 368,401 2.08% $ 68,697,645 $ 359,422 2.10% Interest rate spread 2.57% 2.53% Net interest income and net interest margin $ 718,896 3.49% $ 684,651 3.43% (1) Annualized. (2) Includes loans HFS. (1) (1) (2) 11
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EAST WEST BANCORP, INC. AND SUBSIDIARIES QUARTER-TO-DATE AVERAGE BALANCES, YIELDS AND RATES ($ in thousands) (unaudited) Table 7 Three Months Ended September 30, 2026 September 30, 2025 AverageBalance Interest AverageYield/Rate AverageBalance Interest AverageYield/Rate Assets Interest-earning assets: Interest-bearing cash and deposits with banks $ 4,088,944 $ 31,340 3.04% $ 4,873,674 $ 47,170 3.84% Resale agreements 425,000 1,624 1.52% 425,000 1,616 1.51% Debt securities: AFS 15,413,280 173,084 4.46% 12,650,323 146,336 4.59% HTM 2,837,584 12,013 1.68% 2,884,267 12,226 1.68% Total debt securities 18,250,864 185,097 4.02% 15,534,590 158,562 4.05% Loans: C&I 19,442,270 312,463 6.38% 17,799,708 345,947 7.71% CRE 21,865,938 330,294 5.99% 20,826,239 327,168 6.23% Residential mortgage 17,540,813 255,369 5.78% 16,536,696 245,728 5.90% Other consumer 57,707 855 5.88% 45,935 675 5.83% Total loans 58,906,728 898,981 6.05% 55,208,578 919,518 6.61% FHLB and FRB stock 159,381 7,687 19.14% 164,296 2,866 6.92% Total interest-earning assets $ 81,830,917 $ 1,124,729 5.45% $ 76,206,138 $ 1,129,732 5.88% Noninterest-earning assets: Cash and due from banks 301,160 410,446 Allowance for loan, lease and securities’ losses (865,002) (789,195) Other assets 3,599,513 3,483,309 Total assets $ 84,866,588 $ 79,310,698 Liabilities and Stockholders’ Equity Interest-bearing liabilities: Checking deposits $ 7,747,190 $ 40,714 2.08% $ 7,501,315 $ 46,725 2.47% Money market deposits 16,787,308 112,053 2.65% 16,565,937 133,951 3.21% Savings deposits 1,948,576 5,002 1.02% 1,705,332 3,353 0.78% Time deposits 25,539,637 210,632 3.27% 24,649,891 230,608 3.71% Total interest-bearing deposits 52,022,711 368,401 2.81% 50,422,475 414,637 3.26% Short-term borrowings and federal funds purchased 514 7 5.44% 474 3 2.62% FHLB advances 3,040,218 29,902 3.90% 3,228,262 36,740 4.52% Repurchase agreements 710,815 6,904 3.85% 13,012 148 4.51% Long-term debt and finance lease liabilities 35,376 619 6.94% 35,732 674 7.49% Total interest-bearing liabilities $ 55,809,634 $ 405,833 2.88% $ 53,699,955 $ 452,202 3.34% Noninterest-bearing liabilities and stockholders’ equity: Demand deposits 18,269,023 15,767,292 Accrued expenses and other liabilities 1,483,003 1,462,237 Stockholders’ equity 9,304,928 8,381,214 Total liabilities and stockholders’ equity $ 84,866,588 $ 79,310,698 Total deposits $ 70,291,734 $ 368,401 2.08% $ 66,189,767 $ 414,637 2.49% Interest rate spread 2.57% 2.54% Adjusted interest rate spread 2.57% 2.37% Net interest income and net interest margin $ 718,896 3.49% $ 677,530 3.53% Adjusted net interest income and adjusted netinterest margin $ 718,896 3.49% $ 645,234 3.36% (1) Annualized. (2) Includes $32 million of additional interest income from discount accretion and interest recoveries from the full payment on purchased credit impaired and workout loans during the three months ended September 30, 2025. (3) Includes loans HFS. (4) See reconciliation of GAAP to non-GAAP measures in Table 12. (1) (1) (2) (3) (2) (4) (4)
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EAST WEST BANCORP, INC. AND SUBSIDIARIES YEAR-TO-DATE AVERAGE BALANCES, YIELDS AND RATES ($ in thousands) (unaudited) Table 8 Nine Months Ended September 30, 2026 September 30, 2025 AverageBalance Interest AverageYield/Rate AverageBalance Interest AverageYield/Rate Assets Interest-earning assets: Interest-bearing cash and deposits with banks $ 3,980,951 $ 92,407 3.10% $ 4,232,434 $ 121,242 3.83% Resale agreements 425,000 4,873 1.53% 425,000 4,850 1.53% Debt securities: AFS 14,494,750 479,533 4.42% 12,287,338 423,351 4.61% HTM 2,849,426 36,071 1.69% 2,896,271 36,783 1.70% Total debt securities 17,344,176 515,604 3.97% 15,183,609 460,134 4.05% Loans: C&I 19,218,255 914,399 6.36% 17,346,156 943,152 7.27% CRE 21,581,541 966,752 5.99% 20,579,793 958,220 6.23% Residential mortgage 17,216,486 748,794 5.81% 16,309,274 722,285 5.92% Other consumer 54,128 2,403 5.94% 47,537 1,968 5.54% Total loans 58,070,410 2,632,348 6.06% 54,282,760 2,625,625 6.47% FHLB and FRB stock 156,130 15,830 13.56% 165,121 8,682 7.03% Total interest-earning assets $ 79,976,667 $ 3,261,062 5.45% $ 74,288,924 $ 3,220,533 5.80% Noninterest-earning assets: Cash and due from banks 348,826 368,909 Allowance for loan, lease and securities’ losses (852,234) (750,458) Other assets 3,573,215 3,372,000 Total assets $ 83,046,474 $ 77,279,375 Liabilities and Stockholders’ Equity Interest-bearing liabilities: Checking deposits $ 7,643,796 $ 117,851 2.06% $ 7,621,067 $ 141,649 2.48% Money market deposits 16,514,110 325,559 2.64% 15,581,506 374,251 3.21% Savings deposits 1,852,994 12,523 0.90% 1,734,325 10,500 0.81% Time deposits 25,336,683 627,302 3.31% 23,913,370 680,806 3.81% Total interest-bearing deposits 51,347,583 1,083,235 2.82% 48,850,268 1,207,206 3.30% Short-term borrowings and federal funds purchased 481 16 4.34% 520 10 2.57% FHLB advances 2,888,096 84,361 3.91% 3,408,426 114,919 4.51% Repurchase agreements 590,911 16,874 3.82% 46,275 1,577 4.56% Long-term debt and finance lease liabilities 35,473 1,836 6.92% 35,820 2,016 7.53% Total interest-bearing liabilities $ 54,862,544 $ 1,186,322 2.89% $ 52,341,309 $ 1,325,728 3.39% Noninterest-bearing liabilities and stockholders’ equity: Demand deposits 17,508,140 15,331,138 Accrued expenses and other liabilities 1,519,281 1,498,313 Stockholders’ equity 9,156,509 8,108,615 Total liabilities and stockholders’ equity $ 83,046,474 $ 77,279,375 Total deposits $ 68,855,723 $ 1,083,235 2.10% $ 64,181,406 $ 1,207,206 2.51% Interest rate spread 2.56% 2.41% Adjusted interest rate spread 2.56% 2.35% Net interest income and net interest margin $ 2,074,740 3.47% $ 1,894,805 3.41% Adjusted net interest income and adjusted netinterest margin $ 2,074,740 3.47% $ 1,862,509 3.35% (1) Annualized. (2) Includes $32 million of additional interest income from discount accretion and interest recoveries from the full payment on purchased credit impaired and workout loans during the nine months ended September 30, 2025. (3) Includes loans HFS. (4) See reconciliation of GAAP to non-GAAP measures in Table 12. (1) (1) (2) (3) (2) (4) (4)
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EAST WEST BANCORP, INC. AND SUBSIDIARIES SELECTED RATIOS (unaudited) Table 9 Three Months Ended September 30, 2026Basis Point Change September 30,2026 June 30, 2026 September 30,2025 Qtr-o-Qtr Yr-o-Yr Return on average assets 1.79% 1.75% 1.84% 4 bps (5) bps Adjusted return on average assets 1.79% 1.75% 1.82% 4 (3) Return on average common equity 16.30% 16.01% 17.44% 29 (114) Adjusted return on average common equity 16.29% 16.01% 17.20% 28 (91) Return on average TCE 17.17% 16.88% 18.48% 29 (131) Adjusted return on average TCE 17.16% 16.88% 18.23% 28 (107) Interest rate spread 2.57% 2.53% 2.54% 4 3 Adjusted interest rate spread 2.57% 2.53% 2.37% 4 20 Net interest margin 3.49% 3.43% 3.53% 6 (4) Adjusted net interest margin 3.49% 3.43% 3.36% 6 13 Average loan yield 6.05% 6.02% 6.61% 3 (56) Adjusted average loan yield 6.05% 6.02% 6.38% 3 (33) Yield on average interest-earning assets 5.45% 5.41% 5.88% 4 (43) Adjusted yield on average interest-earning assets 5.45% 5.41% 5.71% 4 (26) Average cost of interest-bearing deposits 2.81% 2.81% 3.26% — (45) Average cost of deposits 2.08% 2.10% 2.49% (2) (41) Average cost of funds 2.17% 2.19% 2.58% (2) (41) Operating noninterest expense/average assets 1.21% 1.29% 1.31% (8) (10) Efficiency ratio 34.40% 36.73% 35.59% (233) (119) Adjusted efficiency ratio 34.44% 36.73% 33.76% (229) 68 Efficiency ratio (fully taxable equivalent) (“FTE”) 34.35% 36.68% 35.51% (233) (116) Adjusted efficiency ratio (FTE) 34.39% 36.68% 33.67% (229) 72 Effective tax rate 22.74% 22.21% 20.80% 53 194 Adjusted effective tax rate 22.74% 22.21% 20.80% 53 bps 194 bps Refer to table footnotes on the following page. (1) (2) (2) (3) (3) (4) (4) (4) (4) (5) (5) (5) (6) 14
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EAST WEST BANCORP, INC. AND SUBSIDIARIES SELECTED RATIOS (unaudited) Table 9 (continued) Nine Months Ended September 30, 2026Basis Point Change September 30, 2026 September 30,2025 Yr-o-Yr Return on average assets 1.78% 1.68% 10 bps Adjusted return on average assets 1.78% 1.68% 10 Return on average common equity 16.12% 15.98% 14 Adjusted return on average common equity 16.10% 16.00% 10 Return on average TCE 16.99% 16.97% 2 Adjusted return on average TCE 16.98% 16.99% (1) Interest rate spread 2.56% 2.41% 15 Adjusted interest rate spread 2.56% 2.35% 21 Net interest margin 3.47% 3.41% 6 Adjusted net interest margin 3.47% 3.35% 12 Average loan yield 6.06% 6.47% (41) Adjusted average loan yield 6.06% 6.39% (33) Yield on average interest-earning assets 5.45% 5.80% (35) Adjusted yield on average interest-earning assets 5.45% 5.74% (29) Average cost of interest-bearing deposits 2.82% 3.30% (48) Average cost of deposits 2.10% 2.51% (41) Average cost of funds 2.19% 2.62% (43) Operating noninterest expense/average assets 1.26% 1.26% — Efficiency ratio 35.77% 36.12% (35) Adjusted efficiency ratio 35.82% 35.49% 33 Efficiency ratio (FTE) 35.71% 36.04% (33) Adjusted efficiency ratio (FTE) 35.77% 35.41% 36 Effective tax rate 22.26% 23.01% (75) Adjusted effective tax rate 22.26% 22.50% (24) bps (1) Annualized except for efficiency ratio and effective tax rate. (2) Adjusted return on average assets and adjusted return on average common equity are non-GAAP financial measures. See reconciliation of GAAP to non-GAAP financial measures in Table 14. (3) Return on average TCE and adjusted return on average TCE are non-GAAP financial measures. See reconciliation of GAAP to non-GAAP financial measures in Table 16. (4) Adjusted interest rate spread, adjusted net interest margin, adjusted average loan yield and adjusted yield on average interest-earning assets are non- GAAP financial measures. See reconciliation of GAAP to non-GAAP financial measures in Table 12. (5) Adjusted efficiency ratio, efficiency ratio (FTE) and adjusted efficiency ratio (FTE) are non-GAAP financial measures. See reconciliation of GAAP to non- GAAP financial measures in Table 15. (6) Adjusted effective tax rate is a non-GAAP financial measure. See reconciliation of GAAP to non-GAAP financial measures in Table 13. (1) (2) (2) (3) (3) (4) (4) (4) (4) (5) (5) (5) (6) 15
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EAST WEST BANCORP, INC. AND SUBSIDIARIES ALLOWANCE FOR CREDIT LOSSES ($ in thousands) (unaudited) Table 10 Three Months Ended September 30, 2026 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE MultifamilyResidential Constructionand Land SFR Homeequityloans OtherConsumer Total ALLL, June 30, 2026 $ 481,087 $ 231,351 $ 40,340 $ 19,968 $ 61,248 $ 6,560 $ 1,502 $842,056 Provision for (reversal of) creditlosses on loans (a) 28,596 6,314 5,164 (1,862) 5,850 (282) 107 43,887 Gross charge-offs (27,663) (2,145) — — — — (55) (29,863) Gross recoveries 8,183 2 111 — 3 3 1 8,303 Total net (charge-offs) recoveries (19,480) (2,143) 111 — 3 3 (54) (21,560) Foreign currency translationadjustment 248 — — — — — — 248 ALLL, September 30, 2026 $ 490,451 $ 235,522 $ 45,615 $ 18,106 $ 67,101 $ 6,281 $ 1,555 $864,631 Three Months Ended June 30, 2026 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE MultifamilyResidential Constructionand Land SFR Homeequityloans OtherConsumer Total ALLL, March 31, 2026 $ 483,384 $ 231,802 $ 39,446 $ 17,170 $ 56,883 $ 5,899 $ 1,290 $835,874 Provision for credit losses on loans (a) 18,928 5,145 882 2,799 4,273 670 227 32,924 Gross charge-offs (21,960) (6,848) — (1) (31) (11) (18) (28,869) Gross recoveries 394 1,252 12 — 123 2 3 1,786 Total net (charge-offs) recoveries (21,566) (5,596) 12 (1) 92 (9) (15) (27,083) Foreign currency translationadjustment 341 — — — — — — 341 ALLL, June 30, 2026 $ 481,087 $ 231,351 $ 40,340 $ 19,968 $ 61,248 $ 6,560 $ 1,502 $842,056 Three Months Ended September 30, 2025 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE MultifamilyResidential Constructionand Land SFR Homeequityloans OtherConsumer Total ALLL, June 30, 2025 $ 442,291 $ 212,618 $ 29,073 $ 17,856 $ 51,997 $ 5,256 $ 1,325 $760,416 ALLL recognized on purchasedcredit-deteriorated (“PCD”) loans 18,175 — — — — — — 18,175 (Reversal of) provision for creditlosses on loans (a) (992) 14,552 6,101 671 8,873 854 (143) 29,916 Gross charge-offs (25,325) (5) — — — — (73) (25,403) Gross recoveries 7,236 2 13 3 6 3 — 7,263 Total net (charge-offs) recoveries (18,089) (3) 13 3 6 3 (73) (18,140) Foreign currency translationadjustment 153 — — — — — — 153 ALLL, September 30, 2025 $ 441,538 $ 227,167 $ 35,187 $ 18,530 $ 60,876 $ 6,113 $ 1,109 $790,520 16
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EAST WEST BANCORP, INC. AND SUBSIDIARIES ALLOWANCE FOR CREDIT LOSSES ($ in thousands) (unaudited) Table 10 (continued) Nine Months Ended September 30, 2026 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE MultifamilyResidential Constructionand Land SFR Homeequityloans OtherConsumer Total ALLL, December 31, 2025 $ 475,613 $ 221,494 $ 36,555 $ 15,468 $ 53,463 $ 5,804 $ 1,376 $ 809,773 Provision for credit losses onloans (a) 65,416 22,619 8,926 3,530 13,642 480 72 114,685 Gross charge-offs (68,008) (10,298) — (894) (152) (11) (148) (79,511) Gross recoveries 16,495 1,707 134 2 148 8 255 18,749 Total net (charge-offs) recoveries (51,513) (8,591) 134 (892) (4) (3) 107 (60,762) Foreign currency translationadjustment 935 — — — — — — 935 ALLL, September 30, 2026 $ 490,451 $ 235,522 $ 45,615 $ 18,106 $ 67,101 $ 6,281 $ 1,555 $ 864,631 Nine Months Ended September 30, 2025 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE MultifamilyResidential Constructionand Land SFR Homeequityloans OtherConsumer Total ALLL, December 31, 2024 $ 384,319 218,677 32,117 17,497 44,816 3,132 1,494 $ 702,052 ALLL recognized on PCD loans 18,175 — — — — — — 18,175 Provision for (reversal of) creditlosses on loans (a) 62,973 30,664 3,028 3,020 16,009 2,962 (522) 118,134 Gross charge-offs (34,464) (22,248) (7) (1,996) (9) — (126) (58,850) Gross recoveries 10,304 74 49 9 60 19 263 10,778 Total net (charge-offs)recoveries (24,160) (22,174) 42 (1,987) 51 19 137 (48,072) Foreign currency translationadjustment 231 — — — — — — 231 ALLL, September 30, 2025 $ 441,538 $ 227,167 $ 35,187 $ 18,530 $ 60,876 $ 6,113 $ 1,109 $ 790,520 Three Months Ended Nine Months Ended ($ in thousands) September 30,2026 June 30, 2026 September 30,2025 September 30,2026 September 30,2025 Unfunded Credit Facilities Allowance for unfunded creditcommitments, beginning of period $ 47,077 $ 47,005 $ 45,307 $ 48,690 $ 39,526 Provision for (reversal of) credit losses onunfunded credit commitments (b) 1,113 76 3,084 (493) 8,866 Foreign currency translation adjustment (3) (4) (1) (10) (2) Allowance for unfunded creditcommitments, end of period $ 48,187 $ 47,077 $ 48,390 $ 48,187 $ 48,390 Provision for credit losses: Provision for credit losses on loans andunfunded credit commitments (a)+(b) $ 45,000 $ 33,000 $ 33,000 $ 114,192 $ 127,000 Provision for (reversal of) credit losses on AFSdebt securities (c) — — 3,000 (192) 3,000 Total provision for credit losses (a)+(b)+(c) $ 45,000 $ 33,000 $ 36,000 $ 114,000 $ 130,000 (1) Included in Accrued expenses and other liabilities on the Condensed Consolidated Balance Sheet. (1) (1) 17
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EAST WEST BANCORP, INC. AND SUBSIDIARIES CRITICIZED LOANS, NONPERFORMING ASSETS, CREDIT QUALITY RATIOS AND COMPOSITION OF ALLOWANCE BY PORTFOLIO ($ in thousands) (unaudited) Table 11 Criticized Loans September 30, 2026 June 30, 2026 September 30, 2025 Special mention loans $ 475,469 $ 433,342 $ 422,751 Classified loans 878,139 854,382 768,568 Total criticized loans $ 1,353,608 $ 1,287,724 $ 1,191,319 (1) Excludes loans HFS. Nonperforming Assets September 30, 2026 June 30, 2026 September 30, 2025 Nonaccrual loans: Commercial: C&I $ 49,768 $ 48,692 $ 70,065 Total CRE 64,056 89,122 29,772 Consumer: Total residential mortgage 60,515 67,082 57,024 Other consumer 16 62 73 Total nonaccrual loans 174,355 204,958 156,934 OREO, net 64,362 24,576 24,208 Nonperforming loans HFS 17,425 17,425 19,596 Total nonperforming assets $ 256,142 $ 246,959 $ 200,738 Credit Quality Ratios September 30, 2026 June 30, 2026 September 30, 2025 Annualized quarterly net charge-offs to average loans HFI 0.15 % 0.19 % 0.13 % Annualized YTD net charge-offs to YTD average loans HFI 0.14 % 0.14 % 0.12 % Special mention loans to loans HFI 0.80 % 0.73 % 0.76 % Classified loans to loans HFI 1.47 % 1.45 % 1.38 % Criticized loans to loans HFI 2.27 % 2.18 % 2.14 % Nonperforming assets to total assets 0.30 % 0.29 % 0.25 % Nonaccrual loans to loans HFI 0.29 % 0.35 % 0.28 % ALLL to loans HFI 1.45 % 1.43 % 1.42 % Composition of ALLL by Portfolio September 30, 2026 June 30, 2026 September 30, 2025 Loan Category ALLL ALLL/Loans HFI ALLL ALLL/Loans HFI ALLL ALLL/Loans HFI C&I $ 490,451 2.48 % $ 481,087 2.42 % $ 441,538 2.45 % Total CRE 299,243 1.35 291,659 1.35 280,884 1.33 Multifamily 45,615 0.82 40,340 0.77 35,187 0.70 Office 68,361 2.78 65,489 2.85 64,211 2.93 All other CRE 185,267 1.31 185,830 1.32 181,486 1.31 Total residential mortgage 73,382 0.41 67,808 0.39 66,989 0.40 Other consumer 1,555 2.49 1,502 2.65 1,109 2.37 Total loans $ 864,631 1.45 % $ 842,056 1.43 % $ 790,520 1.42 % (1) 18
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EAST WEST BANCORP, INC. AND SUBSIDIARIES GAAP TO NON-GAAP RECONCILIATION ($ in thousands) (unaudited) Table 12 In Q3 2025, the Company received full payment on purchased credit-impaired and workout loans. Management believes that excluding the impact of the loan payoff discount accretion and interest recoveries from adjusted average C&I and loan yields, adjusted yield on average interest-earning assets, adjusted interest rate spread, and adjusted net interest margin provides clarity to financial statement users regarding changes in yields and margins and allows comparability to current and prior periods. Three Months Ended Nine Months Ended Average C&I loan yield September 30,2026 June 30, 2026 September 30,2025 September 30,2026 September 30,2025 Interest income on C&I loans (a) $ 312,463 $ 304,621 $ 345,947 $ 914,399 $ 943,152 Less: Loan payoff discount accretionand interest recoveries — — (32,296) — (32,296) Adjusted interest income on loans (b) $ 312,463 $ 304,621 $ 313,651 $ 914,399 $ 910,856 Average C&I loans (c) $ 19,442,270 $ 19,452,052 $ 17,799,708 $ 19,218,255 $ 17,346,156 Average C&I loan yield (a)/(c) 6.38 % 6.28 % 7.71 % 6.36 % 7.27 % Adjusted average C&I loan yield (b)/(c) 6.38 % 6.28 % 6.99 % 6.36 % 7.02 % Average loan yield Interest income on loans (d) $ 898,981 $ 874,489 $ 919,518 $ 2,632,348 $ 2,625,625 Less: Loan payoff discount accretionand interest recoveries — — (32,296) — (32,296) Adjusted interest income on loans (e) $ 898,981 $ 874,489 $ 887,222 $ 2,632,348 $ 2,593,329 Average loans (f) $ 58,906,728 $ 58,229,502 $ 55,208,578 $ 58,070,410 $ 54,282,760 Average loan yield (d)/(f) 6.05 % 6.02 % 6.61 % 6.06 % 6.47 % Adjusted average loan yield (e)/(f) 6.05 % 6.02 % 6.38 % 6.06 % 6.39 % Yield on average interest-earningassets Interest and dividend income (g) $ 1,124,729 $ 1,080,823 $ 1,129,732 $ 3,261,062 $ 3,220,533 Less: Loan payoff discount accretionand interest recoveries — — (32,296) — (32,296) Adjusted interest and dividendincome (h) $ 1,124,729 $ 1,080,823 $ 1,097,436 $ 3,261,062 $ 3,188,237 Average interest-earning assets (i) $ 81,830,917 $ 80,089,545 $ 76,206,138 $ 79,976,667 $ 74,288,924 Yield on average interest-earningassets (j)=(g)/(i) 5.45 % 5.41 % 5.88 % 5.45 % 5.80 % Adjusted yield on average interest-earning assets (k)=(h)/(i) 5.45 % 5.41 % 5.71 % 5.45 % 5.74 % Interest rate spread Interest on average interest-bearingliabilities (l) 2.88 % 2.88 % 3.34 % 2.89 % 3.39 % Interest rate spread (j)-(l) 2.57 % 2.53 % 2.54 % 2.56 % 2.41 % Adjusted interest rate spread (k)-(l) 2.57 % 2.53 % 2.37 % 2.56 % 2.35 % Net interest margin Net interest income (m) $ 718,896 $ 684,651 $ 677,530 $ 2,074,740 $ 1,894,805 Less: Loan payoff discount accretionand interest recoveries — — (32,296) — (32,296) Adjusted net interest income (n) $ 718,896 $ 684,651 $ 645,234 $ 2,074,740 $ 1,862,509 Average interest-earning assets (o) $ 81,830,917 $ 80,089,545 $ 76,206,138 $ 79,976,667 $ 74,288,924 Net interest margin (m)/(o) 3.49 % 3.43 % 3.53 % 3.47 % 3.41 % Adjusted net interest margin (n)/(o) 3.49 % 3.43 % 3.36 % 3.47 % 3.35 % (1) Annualized. (1) (1) (1) (1) (1) (1) (1) (1) (1)
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EAST WEST BANCORP, INC. AND SUBSIDIARIES GAAP TO NON-GAAP RECONCILIATION ($ in thousands) (unaudited) Table 13 On June 30, 2025, the California single sales factor apportionment method (“CA SSF”) was approved for financial institutions for the 2025 tax year, which resulted in $6 million of additional income tax expense recorded in the second quarter of 2025. The table below provides the computation of the Company’s effective tax rate and adjusted effective tax rate excluding the impact of the CA SSF. Management believes that presenting theadjusted effective tax rate computation allows comparability among different periods. Three Months Ended Nine Months Ended September 30,2026 June 30, 2026 September 30,2025 September 30,2026 September 30,2025 Income tax expense (a) $ 112,510 $ 103,821 $ 96,730 $ 315,970 $ 289,594 Less: Impact of the CA SSF (b) — — — — (6,391) Adjusted income tax expense (c)=(a)+(b) $ 112,510 $ 103,821 $ 96,730 $ 315,970 $ 283,203 Income before income taxes (d) 494,706 467,521 465,124 1,419,662 1,258,511 Effective tax rate (a)/(d) 22.74 % 22.21 % 20.80 % 22.26 % 23.01 % Less: Impact of the CA SSF (b)/(d) — % — % — % — % (0.51)% Adjusted effective tax rate (c)/(d) 22.74 % 22.21 % 20.80 % 22.26 % 22.50 % 20
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EAST WEST BANCORP, INC. AND SUBSIDIARIES GAAP TO NON-GAAP RECONCILIATION ($ in thousands) (unaudited) Table 14 Adjusted net income and adjusted diluted EPS represent net income and diluted EPS adjusted for the following tax-effected impacts: discount accretion and interest recoveries from the full payment on purchased credit-impaired and workout loans, change in equity award expense recognition for retirement eligible employees, FDIC special assessment and DC Solar recoveries; and the impact of the CA SSF. Management believes thatpresenting the computations of the adjusted net income, adjusted diluted EPS, adjusted return on average assets and adjusted return on average common equity provide clarity to financial statement users regarding the ongoing performance of the Company and allow comparability to prior periods. • Discount accretion and interest recoveries from the full payment on purchased credit impaired and workout loans are included in Interest and dividend income on the Condensed Consolidated Statement of Income. • During the third quarter and first nine months of 2025, the Company recorded $27 million of additional compensation due to the change in equity award expense recognition for retirement eligible employees (included in Compensation and employee benefits on the CondensedConsolidated Statement of Income). • FDIC special assessment reversals are included in Deposit insurance premiums and regulatory assessments on the Condensed Consolidated Statement of Income. • Recoveries related to the Company’s investment in DC Solar are included in Other investment income, Other operating expense, and Amortization of Tax Credit and CRA Investments, as applicable, on the Condensed Consolidated Statement of Income. Three Months Ended Nine Months Ended September 30,2026 June 30, 2026 September 30,2025 September 30,2026 September 30,2025 Net income (a) $ 382,196 $ 363,700 $ 368,394 $ 1,103,692 $ 968,917 Less: Loan payoff discountaccretion and interest recoveries (b) — — (32,296) — (32,296) Add: Change in equity awardexpense recognition forretirement eligible employees (b) — — 27,141 — 27,141 Less: FDIC special assessmentreversals (b) — — (1,927) (1,015) (1,927) Less: DC Solar recoveries (b) (323) — (50) (323) (50) Tax effects of adjustments (b) 91 — 2,010 375 2,010 Add: Impact of the CA SSF (b) — — — — 6,391 Adjusted net income (c)=(a)+∑(b) $ 381,964 $ 363,700 $ 363,272 $ 1,102,729 $ 970,186 Diluted weighted-averagenumber of shares outstanding (d) 138,461 138,301 138,942 138,512 139,090 Diluted EPS (e) $ 2.76 $ 2.63 $ 2.65 $ 7.97 $ 6.97 Less: Loan payoff discountaccretion and interest recoveries (f) — — (0.23) — (0.23) Add: Change in equity awardexpense recognition forretirement eligible employees (f) — — 0.19 — 0.19 Less: FDIC special assessmentreversals (f) — — (0.01) (0.01) (0.01) Less: DC Solar recoveries (f) — — — — — Tax effects of adjustments (f) — — 0.01 — 0.01 Add: Impact of the CA SSF (f) — — — — 0.05 Adjusted diluted EPS (g)=(e)+∑(f) $ 2.76 $ 2.63 $ 2.61 $ 7.96 $ 6.98 Average total assets (h) $ 84,866,588 $ 83,150,969 $ 79,310,698 $ 83,046,474 $ 77,279,375 Average stockholders’ equity (i) $ 9,304,928 $ 9,114,396 $ 8,381,214 $ 9,156,509 $ 8,108,615 Return on average assets (a)/(h) 1.79% 1.75% 1.84% 1.78% 1.68% Adjusted return on average assets (c)/(h) 1.79% 1.75% 1.82% 1.78% 1.68% Return on average common equity (a)/(i) 16.30% 16.01% 17.44% 16.12% 15.98% Adjusted return on average common equity (c)/(i) 16.29% 16.01% 17.20% 16.10% 16.00% (1) Applied statutory tax rate of 28.02% for the three and nine months ended September 30, 2026, and the three months ended June 30, 2026. Applied statutory tax rate of 28.18% for the three and nine months ended September 30, 2025. (2) Annualized. (1) (1) (2) (2) (2) (2) 21
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EAST WEST BANCORP, INC. AND SUBSIDIARIES GAAP TO NON-GAAP RECONCILIATION ($ in thousands) (unaudited) Table 15 The Company uses certain non-GAAP financial measures to provide supplemental information regarding the Company’s performance. Non-GAAP measures used consist of FTE net interest income and total revenue. The FTE adjustment relates to tax exempt interest on certain investment securities and loans. Adjusted total revenue and adjusted total revenue (FTE) reflect the adjustments related to the discount accretion and interest recoveries from the full payment on purchased credit-impaired and workout loans and DC Solar recoveries (as applicable). Adjusted noninterest expense reflects the change in equity award expense recognition for retirement eligible employees, the FDIC special assessment and DC Solar recoveries (as applicable). Efficiency ratio (FTE) represents noninterest expense divided by total revenue (FTE). Adjusted efficiency ratio and adjusted efficiency ratio (FTE) reflect the impacts of the aforementioned adjustments. Pre-tax, pre-provision income (FTE) represents total revenue (FTE) less noninterest expense. Adjusted pre-tax, pre-provision income (FTE) represents total revenue (FTE) less adjusted noninterest expense. Three Months Ended Nine Months Ended September 30,2026 June 30, 2026 September 30,2025 September 30,2026 September 30,2025 Net interest income before provisionfor credit losses (a) $ 718,896 $ 684,651 $ 677,530 $ 2,074,740 $ 1,894,805 FTE adjustment (b) 1,157 1,196 1,887 3,603 4,636 FTE net interest income beforeprovision for credit losses (c)=(a)+(b) 720,053 685,847 679,417 2,078,343 1,899,441 Total noninterest income (d) 103,853 106,492 100,517 312,901 278,797 Total revenue (e)=(a)+(d) 822,749 791,143 778,047 2,387,641 2,173,602 Total revenue (FTE) (f)=(c)+(d) $ 823,906 $ 792,339 $ 779,934 $ 2,391,244 $ 2,178,238 Less: Loan payoff discount accretionand interest recoveries (g) — — (32,296) — (32,296) Less: DC Solar recoveries (g) (30) — — (30) — Adjusted total revenue (h)=(e)+(g) 822,719 791,143 745,751 2,387,611 2,141,306 Adjusted total revenue (FTE) (i)=(f)+(g) $ 823,876 $ 792,339 $ 747,638 $ 2,391,214 $ 2,145,942 Total noninterest expense (j) $ 283,043 $ 290,622 $ 276,923 $ 853,979 $ 785,091 Less: Change in equity award expenserecognition for retirement eligibleemployees (k) — — (27,141) — (27,141) Add: FDIC special assessmentreversals (k) — — 1,927 1,015 1,927 Add: DC Solar recoveries (k) 293 — 50 293 50 Adjusted noninterest expense (l)=(j)+Σ(k) $ 283,336 $ 290,622 $ 251,759 $ 855,287 $ 759,927 Efficiency ratio (j)/(e) 34.40 % 36.73 % 35.59 % 35.77 % 36.12 % Adjusted efficiency ratio (l)/(h) 34.44 % 36.73 % 33.76 % 35.82 % 35.49 % Efficiency ratio (FTE) (j)/(f) 34.35 % 36.68 % 35.51 % 35.71 % 36.04 % Adjusted efficiency ratio (FTE) (l)/(i) 34.39 % 36.68 % 33.67 % 35.77 % 35.41 % Pre-tax, pre-provision income(“PTPP”) (e)-(j) $ 539,706 $ 500,521 $ 501,124 $ 1,533,662 $ 1,388,511 Adjusted PTPP (h)-(l) $ 539,383 $ 500,521 $ 493,992 $ 1,532,324 $ 1,381,379 PTPP (FTE) (f)-(j) $ 540,863 $ 501,717 $ 503,011 $ 1,537,265 $ 1,393,147 Adjusted PTPP (FTE) (i)-(l) $ 540,540 $ 501,717 $ 495,879 $ 1,535,927 $ 1,386,015 (1) Included in Other investment income for the three and nine months ended September 30, 2026. (2) Amounts were included in Other operating expenses for the three and nine months ended September 30, 2026, except for $50 thousand which was included in Amortization of tax credit and CRA investments for the three and nine months ended September 30, 2025. (1) (2) 22
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EAST WEST BANCORP, INC. AND SUBSIDIARIES GAAP TO NON-GAAP RECONCILIATION ($ in thousands) (unaudited) Table 16 The Company uses certain non-GAAP financial measures to provide supplemental information regarding the Company’s performance. Tangible book value, tangible book value per share and TCE ratio are non-GAAP financial measures. Tangible book value and tangible assets represent stockholders’ equity and total assets, respectively, which have been reduced by goodwill and mortgage servicing assets. Given that the use of such measures and ratios is more prevalent in the banking industry, and are used by banking regulators and analysts, the Company has included them below for discussion. September 30, 2026 June 30, 2026 September 30, 2025 Common stock $ 171 $ 171 $ 170 Additional paid-in capital 2,166,851 2,151,229 2,096,227 Retained earnings 9,071,609 8,800,428 8,028,882 Treasury stock (1,293,174) (1,292,113) (1,166,922) Accumulated other comprehensive income: AFS debt securities net unrealized losses (852,700) (396,324) (383,621) Cash flow hedges net unrealized (losses) gains (42,723) (4,637) 30,425 Foreign currency translation adjustments (10,272) (12,825) (22,361) Total accumulated other comprehensive loss (905,695) (413,786) (375,557) Stockholders’ equity (a) $ 9,039,762 $ 9,245,929 $ 8,582,800 Less: Goodwill (465,697) (465,697) (465,697) Mortgage servicing assets (3,475) (3,736) (4,362) Tangible book value (b) $ 8,570,590 $ 8,776,496 $ 8,112,741 Number of common shares at period-end (c) 137,020 137,011 137,568 Book value per share (a)/(c) $ 65.97 $ 67.48 $ 62.39 Tangible book value per share (b)/(c) $ 62.55 $ 64.06 $ 58.97 Total assets (d) $ 86,011,738 $ 84,763,472 $ 79,669,531 Less: Goodwill (465,697) (465,697) (465,697) Mortgage servicing assets (3,475) (3,736) (4,362) Tangible assets (e) $ 85,542,566 $ 84,294,039 $ 79,199,472 Total stockholders’ equity to assets ratio (a)/(d) 10.51% 10.91% 10.77% TCE ratio (b)/(e) 10.02% 10.41% 10.24% 23
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EAST WEST BANCORP, INC. AND SUBSIDIARIES GAAP TO NON-GAAP RECONCILIATION ($ in thousands) (unaudited) Table 16 (continued) Return on average TCE represents tangible net income divided by average tangible book value. Tangible net income excludes the after-tax impacts of the amortization of mortgage servicing assets. Adjusted return on average TCE represents adjusted tangible net income divided by average tangible book value. Adjusted tangible net income is tangible net income excluding the following tax-effected impacts: discount accretion and interest recoveries from the full payment on purchased credit-impaired and workout loans, change in equity award expense recognition for retirement eligible employees, FDIC special assessment and DC Solar recoveries, and the impact of the CA SSF. Given that the use of such measures and ratios is more prevalent in the banking industry, and are used by banking regulators and analysts, the Company has included them below for discussion. Three Months Ended Nine Months Ended September 30,2026 June 30, 2026 September 30,2025 September 30,2026 September 30,2025 Net income (f) $ 382,196 $ 363,700 $ 368,394 $ 1,103,692 $ 968,917 Add: Amortization of mortgage servicingassets 269 264 266 682 875 Tax effect of amortization adjustment (75) (74) (75) (191) (247) Tangible net income (g) $ 382,390 $ 363,890 $ 368,585 $ 1,104,183 $ 969,545 Less: Loan payoff discount accretion andinterest recoveries — — (32,296) — (32,296) Add: Change in equity award expenserecognition for retirement eligibleemployees — — 27,141 — 27,141 Less: FDIC special assessment reversals — — (1,927) (1,015) (1,927) Less: DC Solar recoveries (323) — (50) (323) (50) Tax effects of adjustments 91 — 2,010 375 2,010 Add: Impact of the CA SSF — — — — 6,391 Adjusted tangible net income (h) $ 382,158 $ 363,890 $ 363,463 $ 1,103,220 $ 970,814 Average stockholders’ equity (i) $ 9,304,928 $ 9,114,396 $ 8,381,214 $ 9,156,509 $ 8,108,615 Less: Average goodwill (465,697) (465,697) (465,697) (465,697) (465,697) Average mortgage servicing assets (3,640) (3,884) (4,534) (3,848) (4,824) Average tangible book value (j) $ 8,835,591 $ 8,644,815 $ 7,910,983 $ 8,686,964 $ 7,638,094 Return on average common equity (f)/(i) 16.30% 16.01% 17.44% 16.12% 15.98% Return on average TCE (g)/(j) 17.17% 16.88% 18.48% 16.99% 16.97% Adjusted return on average TCE (h)/(j) 17.16% 16.88% 18.23% 16.98% 16.99% (1) Applied statutory tax rate of 28.02% for the three and nine months ended September 30, 2026, and the three months ended June 30, 2026. Applied statutory tax rate of 28.18% for the three and nine months ended September 30, 2025. (2) Annualized. (1) (1) (2) (2) (2) 24