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Cathay General Bancorp — 3Q 2026 Earnings Call Presentation (Q3 2026)

Cathay General Bancorp (CATY) · 27 slides · Filed Oct 21, 2026

Every slide of this earnings presentation, with the text as published. Open the original deck ↗ · All CATY deck slides

Slide 1 — Financial Earnings

Financial Earnings Results Third Quarter 2026 October 21, 2026

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Slide 2 — Forward Looking Statements

Forward Looking Statements This presentation contains forward-looking statements about Cathay General Bancorp and its subsidiaries (collectively referred to herein as the “Company,” “we,” “us,” or “our”) within the meaning of the applicable provisions of the Private Securities Litigation Reform Act of 1995. We intend such forward-looking statements to be covered by the safe harbor provision for forward-looking statements in these provisions. Statements that are not historical or current facts, including statements about beliefs, expectations and future economic performance, are “forward-looking statements” and are based on the information available to, and estimates, beliefs, projections, and assumptions made by, management as of the date on which such statements are first made. Forward-looking statements are not guarantees of future performance and are subject to inherent risks and uncertainties that could cause actual results to differ materially from those anticipated in the statements. These risks and uncertainties include, but are not limited to: local, regional, national and international business, market and economic conditions and events, the potential for new and increased tariffs, trade restrictions or geopolitical tensions that could affect economic activity or specific industry sectors and the impact they may have on us, our clients and our operations, assets and liabilities; possible additional provisions for loan losses and charge-offs; credit risks of lending activities and deterioration in asset or credit quality; extensive laws and regulations and supervision that we are subject to, including potential future supervisory action by bank supervisory authorities; increased costs of compliance and other risks associated with changes in regulation; higher capital requirements from the implementation of the Basel III capital standards; compliance with the Bank Secrecy Act and other money laundering statutes and regulations; potential goodwill impairment; liquidity risk; fluctuations in interest rates; risks associated with acquisitions and the expansion of our business into new markets; inflation and deflation; real estate market conditions and the value of real estate collateral; our ability to generate anticipated returns on our investments and financings, including in tax advantaged projects; environmental liabilities; our ability to compete with larger competitors; our ability to retain key personnel; successful management of reputational risk; natural disasters, public health crises and geopolitical events; including wars and armed conflicts, and their resulting economic impacts; general economic or business conditions in Asia, and other regions where Cathay Bank has operations; failures, interruptions, or security breaches of our information systems; our ability to adapt our systems to technological changes; risk management processes and strategies; adverse results in legal proceedings; certain provisions in our charter and bylaws that may affect acquisition of the Company; changes in accounting standards or tax laws and regulations; market disruption and volatility; restrictions on dividends and other distributions by laws and regulations and by our regulators and our capital structure; issuance of preferred stock; successfully raising additional capital, if needed, and the resulting dilution of interests of holders of our common stock; the soundness of other financial institutions; and general competitive, economic, political, and market conditions and fluctuations. These and other factors are further described in Cathay General Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2025 (Item 1A in particular), other reports filed with the Securities and Exchange Commission (“SEC”), and other filings the Company makes with the SEC from time to time. Actual results in any future period may also vary from the past results discussed in this presentation. Given these risks and uncertainties, readers are cautioned not to place undue reliance on any forward-looking statements. Any forward-looking statement speaks only as of the date on which it is made, and, except as required by law, we undertake no obligation to update or review any forward-looking statement to reflect circumstances, developments or events occurring after the date on which the statement is made or to reflect the occurrence of unanticipated events. 2

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Slide 3 — $25.6bn

Broad, Strategically Positioned Footprint with 60+ locations across key multicultural and commercial markets ▪Oldest Operating Chinese American-Founded Bank established in 1962 with deep roots, strong brand equity, and multi-generational client relationships ▪Industry-Leading Operating Efficiency supporting strong profitability across economic cycles ▪Conservative Credit Culture driving consistent risk management and asset quality ▪Strong Capital Position providing flexibility for growth, shareholder returns, and strategic opportunities ▪Meaningful Insider Ownership reflecting strong alignment with stockholder interests $25.6bn Total Assets 1.51% ROAA CATY Ticker $3.9bn Market Cap 13.51% CET 1 Los Angeles Headquarters Information as of September 30, 2026. Headquarters Branches NY NV CA WA TX IL MA MD NJ CALIFORNIA Alhambra Arcadia Artesia Brea City of Industry Cupertino Daly City Diamond Bar Dublin El Monte Fountain Valley Fremont Irvine (3) Los Angeles Millbrae Milpitas Monterey Park Mountain View Northridge Oakland Ontario Richmond Rancho Cucamonga Rowland Heights Sacramento San Diego San Francisco (3) San Gabriel San Jose (2) San Marino San Mateo Temple City Torrance Union City West Covina Westminster ILLINOIS Chicago Westmont MARYLAND Rockville MASSACHUSETTS Boston NEVADA Las Vegas NEW JERSEY Edison NEW YORK Brooklyn (2) Elmhurst Flushing (3) New York City (3) TEXAS Houston Plano WASHINGTON Bellevue Kent Seattle (2) HONG KONG Tsim Sha Tsui REPRESENTATIVE OFFICES Beijing Shanghai Taipei Ho Chi Minh City

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Slide 4 — Financial Performance 3Q 2026

Financial Performance 3Q 2026 12.21% 14.12% 13.64% 13.98% 14.03% 10.60% 12.27% 11.88% 12.21% 12.28% 1.29% 1.49% 1.47% 1.52% 1.51% 0% 1% 1% 2% 2% 3% 3% 4% 0.00% 2.00% 4.00% 6.00% 8.00% 10.00% 12.00% 14.00% 16.00% 3Q25 4Q25 1Q26 2Q26 3Q26 ROATCE * ROAE ROAA Return on Assets & Equity * Refer to GAAP to non-GAAP reconciliation in Appendix. 4 $77.7 $90.5 $86.9 $92.2 $95.2 $1.13 $1.33 $1.29 $1.37 $1.43 $- $0.50 $1.00 $1.50 $2.00 $2.50 0.00% 2000.00% 4000.00% 6000.00% 8000.00% 10000.00% 3Q25 4Q25 1Q26 2Q26 3Q26 Net Income ($mn) Diluted EPS Net Income Note: Adjusted results are non-GAAP. Refer to GAAP to non-GAAP reconciliation in Appendix. Quarterly Highlights Operating Performance and Growth ▪Record net interest income of $211.9 million, up $11.0 million, or 5.5%, QoQ ▪Reported net income of $95.2 million and EPS of $1.43 ▪PPNR of $151.3 million and adjusted PPNR* of $140.6 million ▪Net interest margin expanded 4 bps QoQ to 3.52% ▪Loans grew 2.8% QoQ (11.4% annualized), up $574.5 million to $21.20 billion, excluding loans held for sale ▪Deposits grew 3.7% QoQ (14.8% annualized), up $773.3 million to $21.83 billion Credit Quality and Provision ▪Provision for credit losses of $28.6 million, primarily reflecting strong loan growth and updated loss assumptions incorporating recent charge-off experience ▪Nonperforming assets declined 18.0% ($26.2 million); NPA/assets improved to 0.47% from 0.59% Strategic and Notable Items ▪Pre-tax valuation gain on equity securities of $36.1 million ▪Debt securities repositioning resulted in a pre-tax loss of $15.1 million ▪Charitable contribution to Cathay Bank Foundation of $8.0 million ▪Contract termination costs of $5.4 million ▪Redeemed $54.1 million of TruPS, resulting in a $3.1 million benefit

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Slide 5 — Summary Balance Sheets (Unaudited)

Summary Balance Sheets (Unaudited) $mn, except per share data 9.30.26 6.30.26 % Change QoQ 9.30.25 % Change YoY Cash equivalents & ST investments 1,708 $ 1,327 $ 29% 1,308 $ 31% 1,589 1,683 (6)% 1,643 (3)% Loans held-for-sale 14 - 100% - 100% Gross loans, net of fees 21,180 20,607 3% 20,090 5% Allowance for loan losses (224) (219) 2% (187) 20% Net Loans 20,956 20,388 3% 19,903 5% Goodwill and intangible assets 378 378 (0)% 379 (0)% Other assets 928 877 6% 842 10% Total Assets 25,573 $ 24,653 $ 4% 24,076 $ 6% Deposits 21,835 21,062 4% 20,521 6% FHLB borrowings 200 - 100% 190 5% Debt 65 119 (45)% 119 (45)% Other Liabilities 416 425 (2)% 343 21% Total Liabilities 22,516 $ 21,606 $ 4% 21,174 $ 6% Total Stockholders' Equity 3,057 $ 3,047 $ 0% 2,902 $ 5% Book value per share $ 46.26 $ 45.59 1% $ 42.50 9% Tangible book value per share* 40.54 $ 39.93 $ 2% 36.96 $ 10% Tangible common equity ratio* 10.63% 10.99% (3)% 10.65% (0)% Net loan-to-deposit ratio 96.04% 96.80% (1)% 96.99% (1)% AFS debt securities 5 * Refer to GAAP to non-GAAP reconciliation in Appendix. Totals may not foot due to rounding. Highlights ▪ Cash equivalents and short-term investments increased 29% QoQ, reflecting disciplined liquidity management, including activities related to investment portfolio repositioning ▪ AFS debt securities decreased 6% QoQ, reflecting unrealized mark-to-market losses from higher market rates and lower reinvestment activity ▪ Gross loans, net of fees of $21.18 billion, up $573 million or 2.8% QoQ, reflecting strong C&I growth ▪ Deposits of $21.83 billion, up $773 million or 3.7% QoQ led by noninterest bearing demand and money market growth ▪ Long term debt decreased by $54 million due to the redemption of TruPS and the related early extinguishment of the subordinated notes ▪ Tangible book value per share* increased by $0.61, supported by sustained profitability and disciplined capital management

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Slide 6 — Loan and Deposit Composition

Loan and Deposit Composition Total Loan Portfolio ($bn) $10.3 $10.5 $10.6 $10.6 $10.7 $6.0 $6.0 $6.0 $6.0 $6.1 $3.1 $3.2 $3.2 $3.3 $3.4 $0.3 $0.4 $0.4 $0.3 $0.3 $19.7 $20.1 $20.2 $20.2 $20.5 +9% +1% +1% +6% -50.0% -40.0% -30.0% -20.0% -10.0% 0.0% 10.0% 20.0% - 5.000000 10.000000 15.000000 20.000000 3Q25 4Q25 1Q26 2Q26 3Q26 Total CRE Residential Mortgage* C & I Construction Average Loan Growth – QoQ Annualized % ($bn) 6 C & I 19% Residential Mortgage* 29% Construction 1% CRE 51% $21.2bn Total Loans * Residential Mortgage includes equity lines, installment and other loans. DDA 18% Time 43% MMA 20% IB Checking & Savings 19% $21.8bn Total Deposits Total Deposits ($bn) $9.7 $9.7 $9.7 $9.5 $9.6 $3.4 $3.5 $3.3 $3.5 $3.6 $3.5 $3.7 $3.7 $3.7 $4.1 $3.6 $3.8 $3.9 $4.0 $4.1 $20.2 $20.7 $20.6 $20.7 $21.4 +9% -3% +2% +14% -50% -40% -30% -20% -10% 0% 10% 20% -2 3 8 13 18 23 3Q25 4Q25 1Q26 2Q26 3Q26 Time DDA MMA IB Checking & Savings Average Deposit Growth – QoQ Annualized % ($bn) Highlights EOP as of 9.30.26 EOP as of 9.30.26 ▪ Average Loans of $20.50 billion, up 5.9% annualized growth ▪ CRE concentration ratio of 283%, remaining below regulatory thresholds and internal limits ▪ Average deposits of $21.41 billion, up 13.8% annualized growth ▪ Uncollateralized and uninsured deposits increased to 48.6% from 45.2%, up 3.4 percentage points QoQ

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Slide 7 — Cash and AFS Securities

Cash and AFS Securities 7 Securities Portfolio Type Book Value ($mn) Book Yield (AFS) Effective Duration (AFS) Treasury/Agency $925 3.63% 0.3 MBS Fixed $699 4.07% 4.8 MBS ARM $2 5.86% 1.2 CMO $6 1.21% 6.6 SBA Floaters $1 4.73% 0.5 Corporate $25 4.39% 0.2 Total Securities Portfolio * $1,658 3.82% 2.1 * Over 98% backed by US guaranteed/GSE. $1,643 $1,658 $1,678 $1,683 $1,589 $1,308 $1,424 $1,205 $1,327 $1,708 $2,952 $3,083 $2,884 $3,010 $3,297 3.59% 3.52% 3.35% 3.50% 3.66% 0.00% 0.10% 0.20% 0.30% 0.40% 0.50% 0.60% 0.70% 0.80% 0.90% 1.00% 1.10% 1.20% 1.30% 1.40% 1.50% 1.60% 1.70% 1.80% 1.90% 2.00% 2.10% 2.20% 2.30% 2.40% 2.50% 2.60% 2.70% 2.80% 2.90% 3.00% 3.10% 3.20% 3.30% 3.40% 3.50% 3.60% 3.70% 3.80% 3.90% 4.00% 4.10% 4.20% 4.30% 4.40% 4.50% 4.60% 4.70% 4.80% 4.90% 5.00% 5.10% 5.20% 5.30% 5.40% 5.50% 5.60% 5.70% 5.80% 5.90% 6.00% 6.10% 6.20% 6.30% 6.40% 6.50% 6.60% 6.70% 6.80% 6.90% 7.00% 7.10% 7.20% 7.30% 7.40% 7.50% 7.60% 7.70% 7.80% 7.90% 8.00% 8.10% 8.20% 8.30% 8.40% 8.50% 8.60% 8.70% 8.80% 8.90% 9.00% 9.10% 9.20% 9.30% 9.40% 9.50% 9.60% 9.70% 9.80% 9.90% 10.00% 10.10% 10.20% 10.30% 10.40% 10.50% 10.60% 10.70% 10.80% 10.90% 11.00% 11.10% 11.20% 11.30% 11.40% 11.50% 11.60% 11.70% 11.80% 11.90% 12.00% 12.10% 12.20% 12.30% 12.40% 12.50% 12.60% 12.70% 12.80% 12.90% 13.00% 13.10% 13.20% 13.30% 13.40% 13.50% 13.60% 13.70% 13.80% 13.90% 14.00% 14.10% 14.20% 14.30% 14.40% 14.50% 14.60% 14.70% 14.80% 14.90% 15.00% 15.10% 15.20% 15.30% 15.40% 15.50% 15.60% 15.70% 15.80% 15.90% 16.00% 16.10% 16.20% 16.30% 16.40% 16.50% 16.60% 16.70% 16.80% 16.90% 17.00% 17.10% 17.20% 17.30% 17.40% 17.50% 17.60% 17.70% 17.80% 17.90% 18.00% 18.10% 18.20% 18.30% 18.40% 18.50% 18.60% 18.70% 18.80% 18.90% 19.00% - 500 1,000 1,500 2,000 2,500 3,000 3,500 3Q25 4Q25 1Q26 2Q26 3Q26 Total Securities Portfolio and Cash ($mn) as of 9.30.26 $459 $573 $62 $62 $59 $448 $0 $100 $200 $300 $400 $500 $600 $700 $800 $900 $1,000 $1,100 $1,200 2026 2027 2028 2029 2030 >2030 Treasury/Agency Corporate MBS Fixed MBS ARM CMO SBA Floaters Annual Cash Flow ($mn) as of 9.30.26 ($85) ($77) ($63) ($54) ($69) -90.000000 -80.000000 -70.000000 -60.000000 -50.000000 -40.000000 -30.000000 -20.000000 -10.000000 0.000000 3Q25 4Q25 1Q26 2Q26 3Q26 Net Unrealized Loss on AFS Securities in AOCI ($mn) as of 9.30.26 Highlights ▪ Stable cash and securities portfolio supporting ample liquidity profile. Together with our off-balance sheet contingent funding sources, our liquidity remains well above internal targets ▪ Unrealized losses in AOCI totaled $68.9 million, down approximately 19% YoY, but increased $14.5 million QoQ ▪ Strong IRR profile with exceptional liquidity, featuring a 2.1 duration and 61% annual cash flow ▪ Exceptional portfolio credit quality, with over 98% invested in U.S. government-backed securities and the remainder exclusively in investment-grade assets

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Slide 8 — Summary Income Statements (Unaudited)

Summary Income Statements (Unaudited) $mn, except per share data 9.30.26 6.30.26 % Change QoQ 9.30.25 % Change YoY Net interest income before provision for credit losses 211.9 $ 200.9 $ 5% 189.6 $ 12% Provision for credit losses 28.6 11.2 154% 28.7 (0)% Net interest income after provision for credit losses 183.3 189.7 (3)% 160.9 14% Noninterest income 42.8 21.4 100% 21.0 103% Noninterest expense 103.4 92.3 12% 88.1 17% Income before income taxes 122.7 118.7 3% 93.8 31% Income tax provision (benefit) 27.5 26.5 4% 16.1 71% Net Income 95.2 $ 92.2 $ 3% 77.7 $ 23% Diluted EPS 1.43 $ 1.37 $ 4% 1.13 $ 27% Return on avg tangible common equity* 14.03% 13.98% 0% 12.21% 15% Weighted avg. diluted shares (in millions) 66.8 67.3 (1)% 69.0 (3)% 8 Highlights * Refer to GAAP to non-GAAP reconciliation in Appendix. Totals may not foot due to rounding. ▪ Net income increased 3.3% QoQ to $95.2 million, driven primarily by record net interest income and higher noninterest income, partially offset by higher provision for credit losses and noninterest expense ▪ Noninterest income doubled QoQ to $42.8 million, driven by unrealized gains on equity securities and a $3.1 million TruPS redemption benefit, partially offset by a $15.1 million loss from debt securities repositioning ▪ Noninterest expense increased 12% QoQ to $103.4 million, primarily reflecting an $8.0 million charitable contribution to Cathay Bank Foundation and $5.4 million in contract termination costs, partially offset by lower LIHTC amortization ▪ Effective tax rate was 22.4%, including a catch-up adjustment to reflect a higher estimated annual effective tax rate

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Slide 9 — Yield and Funding Costs

Yield and Funding Costs 9 $190 $195 $194 $201 $212 3.31% 3.36% 3.43% 3.48% 3.52% 4.30% 3.90% 3.64% 3.63% 3.67% 0.00% 120 130 140 150 160 170 180 190 200 210 3Q25 4Q25 1Q26 2Q26 3Q26 Net Interest Income and Net Interest Margin NII ($mn) NIM Avg. Fed Funds Rate 273 259 248 239 243 328 312 296 286 291 4.30% 3.90% 3.64% 3.63% 3.67% 0.00% 0.50% 1.00% 1.50% 2.00% 2.50% 3.00% 3.50% 4.00% 0 50 100 150 200 250 300 350 400 3Q25 4Q25 1Q26 2Q26 3Q26 Avg. Cost of Total Deposit (in bps) Avg. Cost of IB Deposit (in bps) Avg. Fed Funds Rate Average Cost of Deposits vs Fed Funds Rate 6.14% 6.05% 6.01% 5.97% 6.02% 7.46% 7.02% 6.75% 6.75% 6.79% 4.35% 4.08% 3.68% 3.63% 3.64% 0.00% 2.00% 4.00% 6.00% 8.00% 3Q25 4Q25 1Q26 2Q26 3Q26 Avg. Loan Yield Avg. Prime Rate Avg. 1M SOFR Rate Average Loan Yield vs Prime Rate and 1M SOFR Highlights ▪ Net interest income increased $11.0 million QoQ due to loan growth, day count, and net interest margin expansion ▪ Net interest margin expanded 4 bps QoQ to 3.52%, reflecting higher loan yields and improved investment yields primarily from securities portfolio repositioning completed in Q1 and Q2, partially offset by higher deposit costs ▪ Loan yields increased 5 bps QoQ to 6.02%, reflecting higher rates, interest recoveries, and prepayment penalties ▪ Total deposit costs increased 4 bps QoQ to 2.43%, while interest-bearing deposit costs increased 5 bps to 2.91%

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Slide 10 — Non-Interest Income

Non-Interest Income 10 - - (15.7) (10.6) (15.1) 3.3 9.7 17.3 11.7 36.1 6.2 6.4 7.1 7.9 6.6 2.4 2.7 3.9 3.9 4.0 2.3 2.3 2.4 2.3 2.1 2.0 1.9 2.0 2.0 2.1 4.8 4.8 3.7 4.2 4.0 $21.0 $27.8 $20.7 $21.4 $42.8 $17.8 $18.1 $19.1 $20.3 $18.8 (100) (80) (60) (40) (20) - 20 40 60 (22) (12) (2) 8 18 28 38 3Q25 4Q25 1Q26 2Q26 3Q26 net loss on investment securities net unrealized gains on equity securities wealth management fees loan and derivative fees letter of credit commissions deposit account fees other operating income total non-interest income total adjusted non-interest income* Non-Interest Income ($mn) ($mn) 3Q2025 4Q2025 1Q2026 2Q2026 3Q2026 Non-interest income 21.0 $ 27.8 $ 20.7 $ 21.4 $ 42.8 $ Adjustments: Net unrealized gains on equity securities (3.3) (9.7) (17.3) (11.7) (36.1) Net loss on investment securities - - 15.7 10.6 15.1 Other operating income: TruPS redemption benefit - - - - (3.1) Total Adjustments (3.3) (9.7) (1.6) (1.1) (24.0) Adjusted non-interest income* 17.8 $ 18.1 $ 19.1 $ 20.3 $ 18.8 $ Highlights * Refer to GAAP to non-GAAP reconciliation in Appendix. Totals may not foot due to rounding. ▪ Non-interest income increased $21.4 million QoQ to $42.8 million, driven by a $24.4 million increase in unrealized gains on equity securities and a $3.1 million TruPS redemption benefit, partially offset by a $4.5 million increase in losses from debt securities repositioning ▪ Adjusted Non-interest income* decreased $1.5 million QoQ to $18.8 million, primarily reflecting a $1.3 million decline in wealth management fees

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Slide 11 — Operating Expense & Efficiency

Operating Expense & Efficiency $43.5 $48.4 $45.5 $46.7 $48.2 $9.8 $10.7 $9.7 $10.2 $11.4 $6.5 $5.9 $8.8 $9.2 $20.4 $12.1 $11.2 $6.7 $9.9 $6.5 $6.1 $5.9 $5.8 $5.8 $6.2 $7.4 $8.0 $7.8 $7.5 $7.8 $2.8 $2.0 $2.4 $3.0 $2.9 $88.1 $92.2 $86.7 $92.3 $103.4 - 20 40 60 80 100 120 3Q25 4Q25 1Q26 2Q26 3Q26 Noninterest Expense ($mn) FDIC and State assessments professional services occupancy tax credit investments marketing and other operating expense computer and data processing salaries and employee benefits 11 Highlights * Refer to GAAP to non-GAAP reconciliation in Appendix. $88.1 $92.2 $86.7 $92.3 $103.4 $77.1 $81.8 $78.7 $81.9 $82.9 41.8% 41.4% 40.4% 41.5% 40.6% 37.2% 38.4% 36.9% 37.0% 35.9% 0.0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% - 20 40 60 80 100 120 3Q25 4Q25 1Q26 2Q26 3Q26 Noninterest Expense Adjusted Noninterest Expense* Efficiency Ratio Adjusted Efficiency Ratio* Noninterest Expense ($mn) & Efficiency Ratio ▪ Noninterest expense increased $11.1 million, or 12.0% QoQ, to $103.4 million, primarily reflecting an $8.0 million contribution to the Cathay Bank Foundation, $5.4 million in contract termination costs, and a $1.5 million increase in salaries and employee benefits, partially offset by $3.4 million in lower LIHTC amortization. ▪ Adjusted noninterest expense* increased $1.0 million, or 1.2% QoQ, to $82.9 million. ▪ The efficiency ratio improved by 90 basis points QoQ to 40.6% ▪ Adjusted efficiency ratio* decreased 1.1%

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Slide 12 — Asset Quality Metrics

Asset Quality Metrics 0.93% 0.97% 1.03% 1.06% 1.06% 0.32% 0.11% 0.04% 0.04% 0.49% 0.00% 0.10% 0.20% 0.30% 0.40% 0.50% 0.60% 0.70% 0.80% 0.90% 1.00% 1.10% 3Q25 4Q25 1Q26 2Q26 3Q26 ALLL / Gross Loans NCOs/Avg Loans (annualized) Reserves and Net Charge Offs (%) $166 $113 $94 $112 $92 $33 $30 $33 $34 $27 0.83% 0.59% 0.53% 0.59% 0.47% 0 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.011 0.012 0.013 0.014 0.015 0.016 0 20 40 60 80 100 120 140 160 180 200 3Q25 4Q25 1Q26 2Q26 3Q26 Non-Performing Assets Ratio ($mn) Non-Performing Loans OREO NPA/Total Assets $420 $391 $430 $420 $368 $455 $535 $480 $377 $392 2.09% 1.94% 2.13% 2.04% 1.73% 0.00% 0.10% 0.20% 0.30% 0.40% 0.50% 0.60% 0.70% 0.80% 0.90% 1.00% 1.10% 1.20% 1.30% 1.40% 1.50% 1.60% 1.70% 1.80% 1.90% 2.00% 2.10% 2.20% 2.30% 2.40% 2.50% 2.60% 2.70% 2.80% 2.90% 3.00% 3.10% 3.20% 3.30% 3.40% 3.50% 3.60% 3.70% 3.80% 3.90% 4.00% 4.10% 4.20% 4.30% 4.40% 4.50% 4.60% 4.70% 4.80% 4.90% 5.00% 5.10% 5.20% 5.30% 5.40% 5.50% 5.60% 5.70% 5.80% 5.90% 6.00% 6.10% 6.20% 6.30% 6.40% 6.50% 6.60% 6.70% 6.80% 6.90% 7.00% 7.10% 7.20% 7.30% 7.40% 7.50% 7.60% 7.70% 7.80% 7.90% 8.00% 8.10% 8.20% 8.30% 8.40% 8.50% 8.60% 8.70% 8.80% 8.90% 9.00% - 100 200 300 400 500 600 700 800 900 1,000 3Q25 4Q25 1Q26 2Q26 3Q26 Classified Loans Ratio ($mn) Special Mention (Criticized Loans) Classified Loans Classified Loans/Total Gross Loans Classified Loans are loans classified as substandard and doubtful. Non-Performing Assets (NPA) = Non-Performing Loans + OREO $118 $126 $122 $134 $143 $39 $39 $47 $46 $40 $23 $25 $25 $23 $30 $7 $6 $15 $15 $11 $187 $196 $209 $219 $224 1.32% 1.01% 0.49% 4.28% 1.06% 0% 2% 4% 6% 8% 10% 12% (20) 30 80 130 180 230 3Q25 4Q25 1Q26 2Q26 3Q26 CRE C & I Residential Mortgage Construction Total ALLL Reserve Rate ALLL Composition ($mn) 12 Highlights ▪ The allowance for loan losses increased $5.3 million QoQ to $224.2 million, with higher CRE and residential mortgage allowances partially offset by lower C&I and construction allowances ▪ Net charge-offs of $25.3 million (0.49% annualized) primarily reflected three isolated credits: one construction loan fully reserved in Q2 2026, and two movie theater CRE loans from the Far East National Bank acquisition, for which $9.1 million was provisioned in Q3 2025 ▪ Criticized and classified declined 4.8% QoQ to $759.5 million, partly reflecting the charge-offs. Classified balances decreased 12.5%, partially offset by a 3.8% increase in special mention loans ▪ Nonperforming assets declined $26.2 million QoQ to $119.2 million, reflecting charge-offs and lower OREO balances. The NPA ratio decreased to 0.47% from 0.59%, with the decline partly attributable to removal of the charged-off balances

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Slide 13 — Strong Capital Ratios

Strong Capital Ratios 7.00% 8.50% 10.50% 4.00% 13.51% 13.51% 15.00% 11.06% 0.00% 2.00% 4.00% 6.00% 8.00% 10.00% 12.00% 14.00% 16.00% CET 1 capital ratio Tier 1 risk-based capital Total risk-based capital Tier 1 leverage capital ratio Basel III minimum including capital conservation buffer CATY as of 9.30.26 13 * Refer to GAAP to non-GAAP reconciliation in Appendix. Key Capital Ratios (%) Highlights ▪ Capital ratios remained well above regulatory minimums, with CET1 of 13.51% and total risk- based capital of 15.00%—651 bps and 450 bps, respectively, above applicable minimums including the capital conservation buffer ▪ Per-share book values continued to grow with book value per common share increasing 8.8% YoY to $46.26 and tangible book value per common share* increasing 9.7% YoY to $40.54, despite a rising rate environment that saw the 10- year Treasury yield increase 113 basis points, from 4.15% as of September 30, 2025, to 5.28% as of September 30, 2026 ▪ Dividends and share repurchases during Q3 included a quarterly dividend of $0.38 per share and approximately $50.3 million in common stock repurchases, representing 800,594 shares at an average price of $62.81

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Slide 14 — Management Guidance Full Year 2026

Management Guidance Full Year 2026 14 The guidance provided above is based on a number of assumptions that management believes to be reasonable and reflects our expectations as of the date of this presentation. Actual results may differ materially from these estimates as a result of various factors, and we refer to the cautionary language regarding “forward-looking statements” included in this presentation when considering this information. The foregoing presents non-GAAP projected adjusted noninterest expense, which excludes the impact of amortization of investments in low-income housing and alternative energy partnerships, expenses related to other real estate owned (“OREO”), amortization of core deposit intangibles and servicing rights, FDIC special assessments, charitable contribution to Cathay Bank Foundation, and contract termination costs. The Company is unable to provide a reconciliation of this forward-looking non-GAAP financial measure to the most directly comparable GAAP financial measure, projected noninterest expense, without unreasonable efforts. This is due to the inherent difficulty in forecasting and quantifying certain amounts that are necessary for such reconciliation, including, but not limited to, (i) the timing and amount of amortization associated with investments in low-income housing and alternative energy partnerships, which may vary based on projected performance, tax credit delivery, and changes in investment assumptions, (ii) the timing and amount of OREO-related expenses, which depend on the resolution and disposition of underlying properties, (iii) amortization of core deposit intangibles and servicing rights, which may be impacted by changes in estimates, and (iv) the occurrence, timing, and magnitude of FDIC special assessments, which are determined by regulatory authorities and are inherently uncertain. These items are inherently uncertain and depend on various factors, many of which are outside the Company’s control, and as a result, the Company cannot reasonably estimate their impact at this time. Accordingly, a reconciliation to the corresponding GAAP measure is not available without unreasonable effort. Full Year 2026 Guidance Prior Outlook Full Year 2025 Actual Loans, end of period ▪ Estimated growth rate 5.0% to 6.0%. ▪ Estimated growth rate 3.5% to 4.5%. $20.2 billion +4.0% YoY Deposits ▪ Estimated growth rate 4.0% to 5.0%. ▪ Estimated growth rate 3% to 4%. $20.9 billion +6.1% YoY Adjusted Noninterest Expense* ▪ Estimated growth rate 3.5% to 4.5%. ▪ Estimated growth rate 3.5% to 4.5%. $313.0 million +4.6% YoY NIM ▪ Estimated to range between 3.40% and 3.50%. ▪ Two 25bps rate hikes; one previously in September and another in December. ▪ Estimated to range between 3.40% and 3.50%. ▪ 25bps rate hike in September. 3.30% Tax Rate ▪ Effective tax rate for 2026 estimated between 21.50% and 22.50%. ▪ Effective tax rate for 2026 estimated between 21.00% and 22.00%. • Effective tax rate for the full year was 19.24%. * Refer to GAAP to non-GAAP reconciliation in Appendix.

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Slide 15 — Appendix

Appendix

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Slide 16 — Loan and Deposit Yields

16 614 692 577 605 605 647 577 605 601 622 574 600 597 626 573 597 602 624 573 610 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 Total Loans C & I Residential Mortgage CRE 3Q25 4Q25 1Q26 2Q26 3Q26 Average Loan Yield by Type (bps) 34% fixed rate 30% float rate 36% hybrid 35% fixed rate 31% float rate 34% hybrid 6% fixed rate 94% float rate Loan and Deposit Yields Fixed Rate 28% Hybrid in Fixed Rate Period 28% SOFR 25% Prime 11% Other 8% Loan Portfolio By Index Rate * Excludes fair value fixed to float interest rate swaps of 2.5%. Total Fixed Rate and Hybrid in Fixed Period: 56%* as of 9.30.26 273 328 381 344 172 170 259 312 370 315 162 158 248 296 355 300 151 143 239 286 339 302 149 148 243 291 341 308 144 166 Total Deposit IB Deposit Time MMA Savings IB Checking 3Q25 4Q25 1Q26 2Q26 3Q26 Average Cost of Deposits by Type (bps)

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Slide 17 — Commercial Real Estate Portfolio

Commercial Real Estate Portfolio 291% 287% 278% 277% 283% 0% 300% 3Q2025 4Q2025 1Q2026 2Q2026 3Q2026 350% internal threshold * 300% regulatory threshold CRE/Total Risk-Based Capital CRE Concentration CRE $10.8bn 51% of total loans 17 C & I 19% Residential Mortgage* 29% Construction 1% Residential 17% Retail 13% Office 7% Warehouse 7% Industrial 3% Hotel / Motel 2% Special Use 1.4% Restaurant 1.0% Land 0.3% Theater 0.01% CRE 51% $21.2bn Total Loans * Residential Mortgage includes equity lines, installment and other loans. CRE loans of $10.84 billion include a notional amount of $523 million in fair value interest rate swaps or 2.5% of total loans. CA 46% NY 35% TX 6% IL 3% NV 2% HK 2% Other 6% CRE Geographic Distribution CRE Portfolio Breakdown $10.8bn CRE * Internal threshold was reduced from 400% to 350% effective 2Q2026. Note: Totals may not foot due to rounding.

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Slide 18 — $10.8bn

CRE Loan Portfolio ($mn) Avg. Loan Size ($mn) CRE Weighted Avg. LTV Residential $3,589 $1.4 54% Retail $2,729 $2.1 48% Office $1,376 $2.4 47% Warehouse $1,515 $3.0 46% Industrial $709 $3.6 47% Hotel / Motel $355 $7.7 44% Special Use $287 $2.9 45% Restaurant $217 $1.1 48% Land $66 $2.7 45% Theater $1 $1.3 34% CRE $10,844 $2.0 49% CRE LTV and Size by Property Type Commercial Real Estate Portfolio (cont’d) Under 30% 10% 30% to 40% 15% 40% to 50% 23% 50% to 60% 31% 60% to 70% 19% Over 70% 2% $10.8bn CRE 18 CRE LTV Distribution

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Slide 19 — Selected CRE and Construction Loan Portfolios

92% 3% 3% 2% 0.0% 0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100% 105% 110% Multiple Family Residential Retail Single Family Residential Warehouse Office & Commercial Condominium Construction Portfolio % based on $0.3bn loans outstanding Selected CRE and Construction Loan Portfolios CA 47% NY 29% TX 9% NV 5% IL 3% HK 2% Other 5% 48% LTV Weighted Average CA 43% NY 32% WA 17% Other 8% 53% LTV Weighted Average 19 32% 29% 20% 9% 9% 1% 0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% Retail/Mix Use Retail Store/Building Neighborhood Center Strip Mall Shopping Center Other Retail CRE Portfolio % based on $2.7bn loans outstanding 45% 37% 13% 5% 0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 5+ Multi-Family Commercial Units 2-4 Unit Residence Single Family Residence Other Residential CRE Portfolio % based on $3.6bn loans outstanding NY 51% CA 35% TX 5% WA 4% IL 2% Other 3% 54% LTV Weighted Average

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Slide 20 — CRE Office Portfolio

CRE Office Portfolio 20 30% 29% 21% 12% 8% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Office Condominium Office Building Office / Retail Stores Medical Office Office / Mixed Use Office CRE Portfolio % based on $1.4bn loans outstanding Property Type Office CRE Loan Portfolio ($mn) Total CRE Weighted Avg. LTV ($mn) Office Condominium $408 47% Office Building $397 45% Office / Retail Stores $291 36% Medical Office $171 49% Office / Mixed Use $108 43% Total Office CRE $1,376 Avg. Outstanding Size $2.4 Avg. Property Size (sq ft) 15,302 $832 $503 $40 - 100 200 300 400 500 600 700 800 900 Urban Suburban Central Business District Office CRE Collateral Distribution ($mn) Central Business District (CBD) – Central Business/Financial Centers (mainly city downtowns) Urban – City and metropolitan areas Suburban – Outside of the city/metropolitan area CA 47% NY 36% HK 5% NV 4% WA 2% IL 2% Other 4% 47% LTV Weighted Average Office CRE Distribution Note: Totals may not foot due to rounding.

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Slide 21 — Residential Mortgage Portfolio

Residential Mortgage Portfolio CA 47% NY 39% WA 5% NJ 2% TX 2% Other 5% $6.1bn Residential Mortgage* 21 * Residential Mortgage includes equity lines, installment and other loans. Resi. Mortgage Geographic Distribution Single-Family Resi. LTV Distribution 50% or Under 39% >50% to 55% 10% > 55% to 60% 14% Over 60% 37% 53% LTV Weighted Average $425,000 Outstanding Size Average

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Slide 22 — Use of Non-GAAP Financial Information

Use of Non-GAAP Financial Information Consolidated financial information has been presented in accordance with GAAP as well as on a non-GAAP basis to supplement our consolidated financial results. Our non-GAAP financial measures include tangible book value (“TBV”), tangible book value per share (“TBV/Share”), tangible assets, tangible common equity (“TCE”) ratio, the return on average tangible common stockholders’ equity (“ROATCE”), adjusted total revenue, adjusted non-interest expense, adjusted efficiency ratio, Pre-provision net revenue (“PPNR”), and adjusted PPNR. We believe these non-GAAP financial measures provide investors with information useful in understanding its financial position, results of operations, the strength of its capital position, and overall business performance. These non-GAAP financial measures are used for performance measurement purposes, as well as for internal planning and forecasting, and by securities analysts, investors, and other interested parties to assess peer company operating performance. These non-GAAP financial measures should not be considered a substitute for GAAP-basis financial measures. Because non-GAAP financial measures are not standardized, it may not be possible to compare these with other companies that present financial measures having the same or similar names. TBV represents stockholders’ equity less goodwill and other intangible assets. TBV/share represents TBV divided by the number of common shares outstanding at the end of the reporting period. The TCE ratio represents TBV divided by tangible assets. Tangible assets is equal to total assets less goodwill and other intangible assets. ROATCE is calculated using net income adjusted for the tax-effected amortization of intangible assets, as a percentage of average stockholders’ equity less average goodwill and other intangible assets. Adjusted total revenue is calculated by adding net interest income before provision for credit losses and non-interest income excluding net gains and losses from equity and investment securities and TruPS redemption benefit. Adjusted non-interest expense is non-interest expense excluding amortization of investments in low-income housing and alternative energy partnerships, other real estate owned expenses, amortization of core deposit intangibles, the FDIC special assessment, charitable contribution to Cathay Bank Foundation and contract termination costs. The Adjusted efficiency ratio is calculated by dividing the Company’s adjusted non-interest expense by adjusted total revenue. It represents the costs expended to generate a dollar of revenue. The adjusted components exclude items that are non-operational as well as the amortization of investments in low-income housing partnerships and alternative energy partnerships. Although this amortization is operational in nature, it is removed to enhance comparability with peers that report these costs within income tax expense under proportional amortization accounting, which the Company has not yet adopted. PPNR is calculated by adding net interest income and non-interest income, less non-interest expense. Adjusted PPNR is PPNR excluding gains and losses from equity and investment securities, TruPS redemption benefit, charitable contribution to Cathay Bank Foundation and contract termination costs. The Company strongly encourages investors to review its consolidated financial statements in their entirety and to not rely on any single financial measure. A reconciliation between GAAP and non-GAAP financial information is provided in this Appendix. 22

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Slide 23 — Appendix: GAAP to Non-GAAP Reconciliation

Appendix: GAAP to Non-GAAP Reconciliation Selected Consolidated Financial Information (unaudited) (in thousands except per share data) (Unaudited) September 30, 2026 June 30, 2026 September 30, 2025 Stockholders' equity (a) 3,056,745 $ 3,046,614 $ 2,902,276 $ Less: Goodwill (375,696) (375,696) (375,696) Other intangible assets (1) (2,095) (2,341) (2,667) Tangible book value (b) 2,678,954 $ 2,668,577 $ 2,523,913 $ Total assets (c) 25,572,501 $ 24,652,819 $ 24,075,644 $ Less: Goodwill (375,696) (375,696) (375,696) Other intangible assets (1) (2,095) (2,341) (2,667) Tangible assets (d) 25,194,710 $ 24,274,782 $ 23,697,281 $ Average stockholders' equity 3,074,264 $ 3,029,993 $ 2,907,596 $ Less: Average goodwill and other intangible assets, net (377,960) (378,072) (378,510) Average tangible stockholders' equity (e) 2,696,304 $ 2,651,921 $ 2,529,086 $ Number of common shares outstanding (f) 66,083,728 66,825,367 68,286,591 Common equity to assets ratio g=(a)/(c) 11.95% 12.36% 12.05% Tangible common equity ratio h=(b)/(d) 10.63% 10.99% 10.65% Book value per share 46.26 $ 45.59 $ 42.50 $ Tangible book value per share i=(b)/(f) 40.54 $ 39.93 $ 36.96 $ September 30, 2026 June 30, 2026 September 30, 2025 Net Income 95,174 $ 92,209 $ 77,651 $ Add: Amortization of other intangibles (1) 210 278 249 Tax effect of amortization adjustments (2) (62) (82) (74) Tangible net income (j) 95,322 $ 92,405 $ 77,826 $ Return on average stockholder's equity (3) 12.28% 12.21% 10.60% Return on average tangible stockholders' equity (3) k=(j)/(e) 14.03% 13.98% 12.21% (1) Includes core deposit intangibles and servicing rights (2) Applied the statutory rate of 29.65%. (3) Annualized As of Three Months Ended 23

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Slide 24 — Appendix: GAAP to Non-GAAP Reconciliation

Appendix: GAAP to Non-GAAP Reconciliation Selected Consolidated Financial Information (unaudited) (in thousands except per share data) (Unaudited) September 30, 2026 September 30, 2025 Stockholders' equity (a) 3,056,745 $ 2,902,276 $ Less: Goodwill (375,696) (375,696) Other intangible assets (1) (2,095) (2,667) Tangible book value (b) 2,678,954 $ 2,523,913 $ Total assets (c) 25,572,501 $ 24,075,644 $ Less: Goodwill (375,696) (375,696) Other intangible assets (1) (2,095) (2,667) Tangible assets (d) 25,194,710 $ 23,697,281 $ Average stockholders' equity 3,023,609 $ 2,890,581 $ Less: Average goodwill and other intangible assets, net (378,110) (378,718) Average tangible stockholders' equity (e) 2,645,499 $ 2,511,863 $ Number of common shares outstanding (f) 66,083,728 68,286,591 Common equity to assets ratio g=(a)/(c) 11.95% 12.05% Tangible common equity ratio h=(b)/(d) 10.63% 10.65% Book value per share 46.26 $ 42.50 $ Tangible book value per share i=(b)/(f) 40.54 $ 36.96 $ September 30, 2026 September 30, 2025 Net Income 274,269 $ 224,607 $ Add: Amortization of other intangibles (1) 720 796 Tax effect of amortization adjustments (2) (213) (236) Tangible net income (j) 274,776 $ 225,167 $ Return on average stockholder's equity (3) 12.13% 10.39% Return on average tangible stockholders' equity (3) k=(j)/(e) 13.89% 11.99% (1) Includes core deposit intangibles and servicing rights (2) Applied the statutory rate of 29.65%. (3) Annualized Nine Months Ended As of (Unaudited) 24

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Slide 25 — Selected Consolidated Financial Information (unaudited)

Appendix: GAAP to Non-GAAP Reconciliation Selected Consolidated Financial Information (unaudited) 25 Three Months Ended (in thousands except per share data) (Unaudited) September 30, 2026 June 30, 2026 September 30, 2025 September 30, 2026 September 30, 2025 Net interest income before provision for credit losses a 211,878 $ 200,897 $ 189,587 $ 606,943 $ 547,447 $ Non-interest income 42,770 21,405 21,021 84,834 47,616 Adjustments: Net unrealized gains on equity securities (36,053) (11,652) (3,263) (65,021) 2,318 Net loss on investment securities 15,084 10,554 - 41,323 - TruPS redemption benefit (3,134) - - (3,134) - Adjusted non-interest income b 18,667 $ 20,307 $ 17,758 $ 58,002 $ 49,934 $ Adjusted total revenue c=a+b 230,545 $ 221,204 $ 207,345 $ 664,945 $ 597,381 $ Non-interest expense d 103,376 $ 92,316 $ 88,117 $ 282,372 $ 262,907 $ Adjustments: Amortization of investments in low income housing and alternative energy partnerships (6,467) (9,873) (12,149) (23,080) (32,382) Other real estate owned (442) (339) 1,078 (2,370) 1,211 Amortization of core deposit intangible (218) (217) (229) (653) (729) FDIC special assessment - - 327 585 188 Charitable contribution to Cathay Bank Foundation (8,000) - - (8,000) - Contract termination costs (5,383) - - (5,383) - Adjusted non-interest expense e 82,866 $ 81,887 $ 77,144 $ 243,471 $ 231,195 $ Efficiency ratio 40.6% 41.5% 41.8% 40.8% 44.2% Adjusted efficiency ratio f=e/c 35.9% 37.0% 37.2% 36.6% 38.7% Nine Months Ended

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Slide 26 — Selected Consolidated Financial Information (unaudited)

Appendix: GAAP to Non-GAAP Reconciliation Selected Consolidated Financial Information (unaudited) 26 Three Months Ended Pre-Provision Net Revenue (PPNR) (in thousands) September 30, 2026 June 30, 2026 QoQ Change Net interest income 211,878 $ 200,897 $ 10,981 $ Non-interest income 42,770 21,405 21,365 Less: non-interest exepense (103,376) (92,316) (11,060) Pre-Provision Net Revenue (PPNR) a 151,272 $ 129,986 $ 21,286 $ Adjustments: Net unrealized gains on equity securities (36,053) (11,652) (24,401) Net loss on investment securities 15,084 10,554 4,530 TruPS redemption benefit (3,134) - (3,134) Charitable contribution to Cathay Bank Foundation 8,000 - 8,000 Contract termination costs 5,383 - 5,383 Total adjustments b (10,720) $ (1,098) $ (9,622) $ Adjusted PPNR a+b 140,552 128,888 11,664

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Slide 27

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