FSUN · Firstsun Capital Bancorp · Investor Relations

Second Quarter 2026 Highlights: Completed previously announced merger with First Foundation, Inc. (“First Foundation”), acquiring net loans of $6.0 billion, total assets of $11.2 billion, and total deposits of $8.8 billion, net of purchase accounting adjustments Completed remaining merger-related balance sheet repositioning strategy of $3.9 billion comprised of $1.2 billion in cash, $1.4 billion in securities, $1.3 billion in loans, $2.5 billion in deposits, and $1.4 billion in borrowings Net interest margin of 3.58% 22.2% noninterest income to total revenue 1 Net (loss) income of $(22.9) million, $(0.49) per diluted share (adjusted, $21.0 million, $0.45 per diluted share, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average total assets of (0.54)% (adjusted, 0.50%, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average stockholders’ equity of (4.92)% (adjusted, 4.52%, see “Non-GAAP Financial Measures and Reconciliations” below)

Second Quarter 2026 Highlights: Completed previously announced merger with First Foundation, Inc. (“First Foundation”), acquiring net loans of $6.0 billion, total assets of $11.2 billion, and total deposits of $8.8 billion, net of purchase accounting adjustments Completed remaining merger-related balance sheet repositioning strategy of $3.9 billion comprised of $1.2 billion in cash, $1.4 billion in securities, $1.3 billion in loans, $2.5 billion in deposits, and $1.4 billion in borrowings Net interest margin of 3.58% 22.2% noninterest income to total revenue 1 Net (loss) income of $(22.9) million, $(0.49) per diluted share (adjusted, $21.0 million, $0.45 per diluted share, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average total assets of (0.54)% (adjusted, 0.50%, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average stockholders’ equity of (4.92)% (adjusted, 4.52%, see “Non-GAAP Financial Measures and Reconciliations” below)

First Quarter 2026 Highlights: Net interest margin of 4.25% Loan growth of 16.2%, annualized 24.7% noninterest income to total revenue 1 Net income of $21.6 million, $0.76 per diluted share (adjusted, $23.7 million, $0.84 per diluted share, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average total assets of 1.04% (adjusted, 1.14%, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average stockholders’ equity of 7.47% (adjusted, 8.20%, see “Non-GAAP Financial Measures and Reconciliations” below) FirstSun Capital Bancorp (“FirstSun”) (NASDAQ: FSUN) reported net income of $21.6 million for the first quarter of 2026 compared to net income of $23.6 million for the first quarter of 2025. Earnings per diluted share were $0.76 for the first quarter of 2026 compared to $0.83 for the first quarter of 2025. Adjusted net income, a non-GAAP financial measure, was $23.7 million or $0.84

First Quarter 2026 Highlights: Net interest margin of 4.25% Loan growth of 16.2%, annualized 24.7% noninterest income to total revenue 1 Net income of $21.6 million, $0.76 per diluted share (adjusted, $23.7 million, $0.84 per diluted share, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average total assets of 1.04% (adjusted, 1.14%, see “Non-GAAP Financial Measures and Reconciliations” below) Return on average stockholders’ equity of 7.47% (adjusted, 8.20%, see “Non-GAAP Financial Measures and Reconciliations” below) FirstSun Capital Bancorp (“FirstSun”) (NASDAQ: FSUN) reported net income of $21.6 million for the first quarter of 2026 compared to net income of $23.6 million for the first quarter of 2025. Earnings per diluted share were $0.76 for the first quarter of 2026 compared to $0.83 for the first quarter of 2025. Adjusted net income, a non-GAAP financial measure, was $23.7 million or $0.84 per diluted share for the first quarter of 2026. On April 1,

Fourth Quarter 2025 Highlights: Net income of $24.8 million, $0.88 per diluted share (adjusted, $26.9 million, $0.95 per diluted share, see the “Non-GAAP Financial Measures and Reconciliations” below) Net interest margin of 4.18% Return on average total assets of 1.17% (adjusted, 1.27%, see the “Non-GAAP Financial Measures and Reconciliations” below) Return on average stockholders’ equity of 8.58% (adjusted, 9.31%, see the “Non-GAAP Financial Measures and Reconciliations” below) Average loan growth of 8.5%, annualized 24.3% noninterest income to total revenue 1 FirstSun Capital Bancorp (“FirstSun”) (NASDAQ: FSUN) reported net income of $24.8 million for the fourth quarter of 2025 compared to net income of $16.4 million for the fourth quarter of 2024. Earnings per diluted share were $0.88 for the fourth quarter of 2025 compared to $0.58 for the fourth quarter of 2024. Adjusted net income, a non-GAAP financial measure, was

Fourth Quarter 2025 Highlights: Net income of $24.8 million, $0.88 per diluted share (adjusted, $26.9 million, $0.95 per diluted share, see the “Non-GAAP Financial Measures and Reconciliations” below) Net interest margin of 4.18% Return on average total assets of 1.17% (adjusted, 1.27%, see the “Non-GAAP Financial Measures and Reconciliations” below) Return on average stockholders’ equity of 8.58% (adjusted, 9.31%, see the “Non-GAAP Financial Measures and Reconciliations” below) Average loan growth of 8.5%, annualized 24.3% noninterest income to total revenue 1 FirstSun Capital Bancorp (“FirstSun”) (NASDAQ: FSUN) reported net income of $24.8 million for the fourth quarter of 2025 compared to net income of $16.4 million for the fourth quarter of 2024. Earnings per diluted share were $0.88 for the fourth quarter of 2025 compared to $0.58 for the fourth quarter of 2024. Adjusted net income, a non-GAAP financial measure, was $26.9 million or $0.95 per diluted share for the fourth quarter