Independent Bank Corp. · NASDAQ:INDB

Independent Bank — 2026 KBW Summer Bank Conference

27 slides from Independent Bank's conference presentation, Jul 27, 2026

  1. Slide 1: 2026 KBW Summer Bank Conference

    Exhibit 99.1 Jeff Tengel Chief Executive Officer Mark Ruggiero Chief Financial Officer & EVP/Consumer Lending 2026 KBW Summer Bank Conference July 28, 2026

  2. Slide 2: Who We Are

    2 Who We Are Independent Bank Corp. (Nasdaq: INDB) • Main Banking Subsidiary: Rockland Trust • Massachusetts based; New England focused Key Metrics as of June 30, 2026 $25.0 B TOTAL ASSETS $18.4 B LOANS $20.4 B DEPOSITS $9.5 B WEALTH MANAGEMENT $4.1 B MARKET CAP* *as of July 24, 2026

  3. Slide 3: Our Corporate Promises

    3 Our Corporate Promises: We remain committed to our colleagues, customers, community and shareholders. This connects our purpose to everything we do. It transforms what banking means from a mere transaction to the chance to make a positive difference in the lives of others. This motivates our colle

  4. Slide 4: Strong, Resilient Franchise; Well Positioned for Growth

    4 Safe & Sound Customer Centric • Full suite of retail banking, commercial banking, and wealth product offerings • Relationship-oriented commercial lending with strong local market knowledge and presence • Exceptional third party customer service recognition in both commercial and retail • Strong br

  5. Slide 5: Recent Awards

    5 Recent Awards Consistent recognition across employee experience, financial performance, and community impact.

  6. Slide 6: Earnings Growth & Profitability Enhancement

    6 Earnings Growth & Profitability Enhancement (1) Represents a non-GAAP measure. See Appendices for reconciliation to the corresponding GAAP measures. Operating Pre-Provision Net Revenue ROAA 1.53% 1.70% 1.78% 1.85% 1.85% Q2 2025 Q3 2025 Q4 2025 Q1 2026 Q2 2026 —% 2.00% Operating ROAA 1.09% 1.23% 1.

  7. Slide 7: Q2 2026 Financial Highlights

    7 ($ in millions, except per share) Q2’26 Q2’26 Operating(1) Q1’26 Q1’26 Operating(1) Q2’25 Q2’25 Operating(1) Net Income $ 81.8 $ 81.8 $ 79.9 $ 82.1 $ 51.1 $ 53.5 Diluted EPS $ 1.70 $ 1.70 $ 1.63 $ 1.68 $ 1.20 $ 1.25 ROAA 1.34% 1.34% 1.31% 1.35% 1.04% 1.09% ROACE 9.24% 9.24% 9.02% 9.27% 6.68% 6.99%

  8. Slide 8: Deposit Balances

    8 Deposit Balances (Dollars in millions) June 30 2026 March 31 2026 $ Increase (Decrease) % Increase (Decrease) Deposit Product Type Noninterest-bearing demand deposits $ 5,710 $ 5,633 $ 77 1.4% Savings and interest checking 6,504 6,311 193 3.1% Money market 4,929 4,898 31 0.6% Time certificates of

  9. Slide 9: Strategic Market Share Positioning

    9 Counties Deposits ($bn) Market Share (%) Rank Branches Plymouth, MA 5.2 26.9 1 28(1) Middlesex, MA 3.7 4.4 8 28 Norfolk, MA 2.5 6.8 5 19 Suffolk, MA 2.2 1.6 7 21 Bristol, MA 1.6 9.5 5 8 Barnstable, MA 1.4 12.2 3 12 Essex, MA 1.4 4.4 8 10 Worcester, MA 0.9 4.0 10 10 Rockingham, NH 0.6 4.8 6 4 Hills

  10. Slide 10: Linked Quarter Change in Commercial Loans

    10 Linked Quarter Change in Commercial Loans $14,236 $116 $(155) $(37) $(21) $14,139 Q1 2026 C&I ex. Dealer Finance CRE ex. Office C&I - Dealer Finance CRE - Office Q2 2026 Loan Balances (Dollars in millions) June 30 2026 March 31 2026 $ Increase (Decrease) % Increase (Decrease) Loan Category Commer

  11. Slide 11: Loan Portfolios

    11 95% CRE & Construction Portfolio $9.4 billion Multi-Family - 30.5% Residential - Related - 16.2% Office - 11.0%Mixed-Use Office - 1.9% Industrial/ Warehouse - 9.7% Lodging - 8.5% Retail - 16.8% Healthcare - 0.9% Other - 4.5% C&I Portfolio $4.7 billion Retail Trade - 15.6% Real Estate/Rental and L

  12. Slide 12: Asset Quality

    12 Nonperforming Loans ($ in millions) $86.6 $83.6 $96.6 $103.6 0.47% 0.45% 0.52% 0.56% NPLs ($Mil) NPL as % of Total Loans Q3 2025 Q4 2025 Q1 2026 Q2 2026 0.25% 0.50% 0.75% $0 $60 $120 Commercial Criticized & Classified Loans ($ in millions) $518.9 $472.9 $575.5 $545.6 3.65% 3.31% 4.04% 3.86% Criti

  13. Slide 13: Office Portfolio

    13 Top 20 Borrowers All Others Total Portfolio ($ in millions) Total Avg Loan ($ in millions) Total Avg Loan ($ in millions) Total Avg Loan Class A $272.8 $24.8 Class A $157.2 $4.9 Class A $430.0 $10.0 Class B/C 177.1 22.1 Class B/C 301.7 1.4 Class B/C 478.8 2.2 Medical 26.2 26.1 Medical 88.5 2.3 Me

  14. Slide 14: Net Interest Margin Dynamics

    14 Trend in Asset Yields vs. Funding Costs 2.32% 2.84% 2.96% 3.08% 3.13% 5.49% 5.60% 5.58% 5.56% 5.59% 1.73% 1.72% 1.60% 1.52% 1.52% Security yields Adjusted loan yields(1) Funding costs Q2 2025 Q3 2025 Q4 2025 Q1 2026 Q2 2026 —% 2.00% 4.00% 6.00% 8.00% Net Interest Margin 3.37% 3.62% 3.77% 3.90% 3.

  15. Slide 15: Strong Capital Position

    15 Tangible Book Value $44.13 $46.96 $47.55 $48.34 10.31% 10.86% 9.88% 9.69% TBV Per Share Tangible Equity/Tangible Assets % 2023 2024 2025 Q2 2026 $0.0 $20.0 $40.0 0% 10% Key Capital Ratios Period Ended June 30 2026 March 31 2026 December 31 2025 Tangible Common Equity / Tangible Assets(1) 9.69% 9.

  16. Slide 16: Securities Portfolio

    16 Available for Sale (AFS) Held to Maturity (HTM) Portfolio Composition at June 30, 2026 Book Value Fair Value Unrealized Gain/(Loss) Book Value Fair Value Unrealized Gain/(Loss) ($ in millions) U.S. government agency securities $ 228 $ 219 $ (9) $ — $ — $ — U.S. treasury securities 391 379 (12) 10

  17. Slide 17: Focal Point | Investment Management and Advisory

    17 Focal Point | Investment Management and Advisory $ in b ill io ns Assets Under Administration (AUA) 13% CAGR $5.7 $5.8 $6.5 $7.0 $9.2 $9.5 2021 2022 2023 2024 2025 Q2 2026 $0.0 $5.0 $10.0 $ in m ill io ns Revenues 9% CAGR $35.3 $36.8 $40.2 $42.7 $50.0 $29.1 2021 2022 2023 2024 2025 1H 2026 $0.0 $

  18. Slide 18: 2026 Guidance

    18 Metric Guidance Direction 2026 Expectations Loan Growth Updated • Commercial and Industrial: Mid-single digit percentage increase • Commercial real estate and Construction: Flat to low-single digit percentage decrease • Consumer: low-single digit percentage increase Deposit Growth No change • Cor

  19. Slide 19: Strategic Priorities

    19 • Integrating the Enterprise Bancorp. acquisition ◦ Promote depth and breath of product set ◦ Active community engagement ◦ Capitalize on new market opportunities • Growing C&I lending business ◦ Expanded middle market capabilities; recent growth driver ◦ Dedicated teams/verticals (non-profit, fr

  20. Slide 20: INDB Investment Merits

    20 • High quality franchise in attractive markets • Low risk balance sheet with strong core deposit funding base • Strong capital base, well-above regulatory mandated levels that enables maximum capital management flexibility • Earnings expected to notably improve as fixed assets reprice to prevaili

  21. Slide 21: Forward-Looking Statements

    21 This presentation contains certain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations and business of the Company. These statements may be identified by such forward-looking termino

  22. Slide 22: Non-GAAP Financial Information

    22 This presentation contains financial information determined by methods other than in accordance with accounting principles generally accepted in the United States of America (“GAAP”). This information may include operating net income and operating earnings per share (“EPS”), operating return on a

  23. Slide 23: Appendix

    i INDEPENDENT Appendix BANK CORP.

  24. Slide 24: Tangible Common Equity Reconciliation

    24 (Dollars in thousands) June 30 2026 March 31 2026 December 31 2025 December 31 2024 December 31 2023 Tangible common equity Stockholders' equity (GAAP) $3,512,363 $3,542,041 $3,565,728 $2,993,120 $2,895,251 (a) Less: Goodwill and other intangibles 1,210,506 1,217,297 1,224,186 997,356 1,003,262 T

  25. Slide 25: Non-GAAP Reconciliation of Earnings Metrics

    25 Non-GAAP Reconciliation of Earnings Metrics (Unaudited, dollars in thousands) Three Months Ended June 30 2026 March 31 2026 December 31 2025 September 30 2025 June 30 2025 Net interest income (GAAP) $ 210,927 $ 212,459 $ 212,486 $ 203,344 $ 147,496 Noninterest income (GAAP) $ 42,391 $ 40,262 $ 41

  26. Slide 26: Pre-Provision Net Revenue Reconciliation

    26 (Unaudited, dollars in thousands) Three Months Ended June 30 2026 March 31 2026 December 31 2025 September 30 2025 June 30 2025 Pre-provision net revenue (2) $ 113,046 $ 109,803 $ 99,561 $ 82,906 $ 73,006 Pre-provision net revenue on an operating basis Pre-provision net revenue $ 113,046 $ 109,80

  27. Slide 27: Adjusted Net Interest Margin Reconciliation

    27 Three Months Ended June 30, 2026 March 31, 2026 December 31, 2025 September 30, 2025 June 30, 2025 Volume Interest Margin Impact Volume Interest Margin Impact Volume Interest Margin Impact Volume Interest Margin Impact Volume Interest Margin Impact (Unaudited, dollars in thousands) Reported total

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