Stellar Bancorp, Inc. · NYSE:STEL

Stellar Bancorp — Merger or Acquisition (January 2026)

18 slides from Stellar Bancorp's merger presentation, Jan 28, 2026

  1. Slide 1: Prosperity Announces the Acquisition of Stellar Bancorp

    Exhibit 99.2 Announces the acquisition of January 28, 2026

  2. Slide 2: Cautionary Note on Forward Looking Statements

    Cautionary Note on Forward Looking Statements This presentation contains statements regarding the proposed transaction between Prosperity Bancshares, Inc. (“Prosperity”) and Stellar Bancorp, Inc. (“Stellar”); future financial and operating results; benefits and synergies of the proposed transaction;

  3. Slide 3: Enhances Texas Footprint

    Enhances Texas Footprint (1) Pro Forma Snapshot at Estimated Close Pro Forma Texas Branches $54B $33B $42B Assets Loans Deposits 78.9% 9.9% 34% (3) Loans HFI / Deposits TCE / TA NIB Deposits 10.0% 13.6% 14.6% Leverage Ratio CET1 Ratio Total Capital Ratio Transaction Rationale ✓ One of the Best Depos

  4. Slide 4: Bolsters Our Houston Franchise

    Bolsters Our Houston Franchise Houston MSA Pro Forma Houston Branch Footprint $344.0 Billion (1) Prosperity Bank (59) Total MSA Deposits Stellar Bank (33) ~8.0M MSA Population ~87K Median Household Income ❖ Houston is the 2nd largest MSA in Texas and 5th largest in the United States by population ❖

  5. Slide 5: Houston & Beaumont MSA Highlights

    Houston & Beaumont MSA Highlights Houston Bank Deposit Share Beaumont Bank Deposit Share Deposits Market Share Deposits Market Share Rank Institution (State) No. of Branches ($000) (%) Rank Institution (State) No. of Branches ($000) (%) 1 JPMorgan Chase & Co. (NY) 154 $176,204,522 51.3% Pro Forma 14

  6. Slide 6: Stellar Bancorp, Inc. Among Last Remaining Franchises of Scale in the Houston Region

    Stellar Bancorp, Inc. Among Last Remaining Franchises of Scale in the Houston Region Company Overview Q4 2025 Financial Highlights ❖ Stellar Bancorp, Inc. (NYSE: STEL) Balance Sheet Positioning ❖ Created by a merger of equals (announced 2021) $10.8 Billion $7.3 Billion $9.0 Billion ❖ Headquarters in

  7. Slide 7: Best In Class Deposit Franchise

    Best In Class Deposit Franchise Pro Forma Company vs the KBW Regional Bank Index NIB Deposits / Total Deposits (%) STEL 38% Pro Forma PB 34% 33% KRX Median: 25% Cost of Deposits (%) STEL KRX Median: 1.98% 1.77 Pro Forma PB 1.46 1.36 Note: Prosperity not shown pro forma for its recently completed acq

  8. Slide 8: Financial Impact

    Financial Impact WY. f %

  9. Slide 9: Pro Forma Impact

    Pro Forma Impact Earnings and (1) Projected Capital Tangible Book Value 9.2% (7.8%) 13.6% 14.6% 2027 EPS Accretion TBV Dilution CET1 Ratio Total Capital Ratio ~4.5 years 10.0% 9.9% TBV Earnback Leverage Ratio TCE / TA Profitability Deposit Footprint 1.58% 17.1% #1 #2 2027 2027 Deposit Franchise Depo

  10. Slide 10: Deal Overview

    Deal Overview • Stellar Bancorp, Inc. to merge into Prosperity Bancshares, Inc.; Stellar Bank to merge into Prosperity Bank Transaction Structure • Approximately 70% stock / 30% cash consideration • $11.36 in cash and 0.3803 PB common shares for each STEL common share; fixed exchange ratio • Implied

  11. Slide 11: Financial Assumptions

    Financial Assumptions • Prosperity Bancshares, Inc. 2026 estimates per Prosperity Management and 2027 estimates per Consensus Estimates Earnings Projections • Stellar Bancorp, Inc. 2026 and 2027 estimates per Stellar Management • 2026: $113mm | 2027: $126mm • Cost savings estimated at 35.0% of STEL

  12. Slide 12: Total Shareholder Return

    Total Shareholder Return Total shareholder return driven by our organic growth and successful M&A strategy. Prosperity has completed 31 M&A transactions since 2000 and announced two additional transactions that are now pending. Commercial Bancshares, Inc. Liberty Bank The Bank Arlington First Bancsh

  13. Slide 13: Appendix

    Appendix Nan f %

  14. Slide 14: Pro Forma Loans & Deposits

    Pro Forma Loans & Deposits $0.1 $1.0 $1.3 1% $1.3 4% Loan Portfolio 5% 6% $1.0 ($ in Billions) $1.9 $3.3 $1.1 5% $0.1 $1.5 8% $1.7 33% 16% 2% 20% $1.7 6% Key: 8% Commercial & Industrial $5.8 Pro 26% Commercial Real Estate $8.6 $10.3 Forma 29% 35% Construction $7.4 1-4 Family 34% $2.7 $4.5 $2.9 13% C

  15. Slide 15: Pro Forma Adjustments

    Pro Forma Adjustments Tangible Book Value Per Share Reconciliation Goodwill Reconciliation Dollar values and share counts in millions, except per share amounts Dollar values in millions Prosperity TBV per Share at Closing (6/30/2026) $43.69 Aggregate Deal Value $2,002 Prosperity Common Equity at Clo

  16. Slide 16: Pro Forma Adjustments (cont.)

    Pro Forma Adjustments (cont.) 2027E Earnings per Share Reconciliation Dollar values in millions, except per share amounts 2027E Earnings per Share Reconciliation Prosperity Net Income (Consensus) $683 Stellar Net Income (Internal Management Estimate) 126 After-Tax Transaction Adjustments Cost Saving

  17. Slide 17: Important Information

    Important Information Additional Information about the Transaction and Where to Find It Prosperity intends to file with the SEC the Registration Statement on Form S-4 to register the shares of Prosperity common stock to be issued to the shareholders of Stellar in connection with the proposed transac

  18. Slide 18: Greet The Customer With A Smile

    Greet The Customer With A Smile Address Our Customer By Name Try to Say Yes Instead of No Thank the Customer for Banking With Us

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