| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/19/2023 | FROST PATRICK B | President of Frost Bank | Sale | Common Stock, $0.01 par value | 2.6k | $101.70 | $264.4k | | 05/19/2023 |
| 05/19/2023 | FROST PATRICK B | President of Frost Bank | Exercise | Common Stock, $0.01 par value | 8.1k | $71.39 | $576.8k | | 05/19/2023 |
| 05/19/2023 | FROST PATRICK B | President of Frost Bank | Sale | Common Stock, $0.01 par value | 4k | $100.70 | $404.5k | | 05/19/2023 |
| 05/17/2023 | FROST PATRICK B | President of Frost Bank | Gift | Common Stock, $0.01 par value | 8.3k | $0.00 | $0 | Through Trust [Legacy Trust fbo Thomas C. Frost III] | 05/16/2023 |
| 05/17/2023 | FROST PATRICK B | President of Frost Bank | Gift | Common Stock, $0.01 par value | 8.3k | $0.00 | $0 | Through Trust [Legacy Trust fbo Donald B. Frost] | 05/16/2023 |
| 05/17/2023 | FROST PATRICK B | President of Frost Bank | Gift | Common Stock, $0.01 par value | 25k | $0.00 | $0 | Through Trust [Legacy Trust] | 05/16/2023 |
| 05/16/2023 | FROST PATRICK B | President of Frost Bank | Disposition (by will) | Common Stock, $0.01 par value | 92.3k | $0.00 | $0 | Through Trust [Marital Trust-B] | 05/16/2023 |
| 05/16/2023 | FROST PATRICK B | President of Frost Bank | Acquisition (by will) | Common Stock, $0.01 par value | 30.8k | $0.00 | $0 | Through Trust [Family Trust-B fbo Thomas C. Frost III] | 05/16/2023 |
| 05/16/2023 | FROST PATRICK B | President of Frost Bank | Gift | Common Stock, $0.01 par value | 66k | $0.00 | $0 | Through Trust [Legacy Trust] | 05/16/2023 |
| 05/16/2023 | FROST PATRICK B | President of Frost Bank | Gift | Common Stock, $0.01 par value | 22k | $0.00 | $0 | Through Trust [Legacy Trust fbo Thomas C. Frost III] | 05/16/2023 |
| 05/15/2023 | John Howard Willome | Director | Purchase | Common Stock, $0.01 par value | 2k | $98.66 | $197.3k | Through Trust | 05/15/2023 |
| 05/10/2023 | Avery Chris | Director | Purchase | Common Stock, $0.01 par value | 5k | $95.75 | $478.8k | | 05/10/2023 |
| 05/04/2023 | Berman Bobby | GEVP Research & Strategy | Purchase | Common Stock, $0.01 par value | 1.5k | $95.25 | $142.9k | | 05/04/2023 |
| 04/26/2023 | Pierce Joseph A. | Director | Grant | Deferred Stock Units | 773 | $0.00 | $0 | | 04/26/2023 |
| 03/15/2023 | Wolfshohl Candace K | GEVP Culture/PeopleDevelopment | Purchase | Common Stock, $0.01 par value | 700 | $108.28 | $75.8k | | 03/15/2023 |
| 03/13/2023 | Avery Chris | Director | Purchase | Common Stock, $0.01 par value | 5k | $108.09 | $540.4k | Through Limited Partnership | 03/13/2023 |
| 03/13/2023 | John Howard Willome | Director | Purchase | Common Stock, $0.01 par value | 1000 | $105.70 | $105.7k | Through Trust | 03/13/2023 |
| 03/13/2023 | John Howard Willome | Director | Purchase | Common Stock, $0.01 par value | 1000 | $108.30 | $108.3k | Through Trust | 03/13/2023 |
| 03/13/2023 | Severyn Carol Jean | GEVP and Chief Risk Officer | Purchase | Common Stock, $0.01 par value | 1.5k | $107.30 | $161k | | 03/13/2023 |
| 03/13/2023 | GREEN PHILLIP D | Chairman and CEO | Purchase | Common Stock, $0.01 par value | 9.5k | $106.59 | $1M | | 03/13/2023 |
| 03/07/2023 | GREEN PHILLIP D | Chairman and CEO | Grant | Common Stock, $0.01 par value | 11.9k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | GREEN PHILLIP D | Chairman and CEO | Payment of Exercise | Common Stock, $0.01 par value | 4.7k | $127.72 | $600k | | 03/07/2023 |
| 03/07/2023 | FROST PATRICK B | President of Frost Bank | Grant | Common Stock, $0.01 par value | 1.9k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | FROST PATRICK B | President of Frost Bank | Payment of Exercise | Common Stock, $0.01 par value | 465 | $127.72 | $59.4k | | 03/07/2023 |
| 03/07/2023 | Bracher Paul | President of CFR | Grant | Common Stock, $0.01 par value | 2.6k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | Bracher Paul | President of CFR | Payment of Exercise | Common Stock, $0.01 par value | 1k | $127.72 | $130.7k | | 03/07/2023 |
| 03/07/2023 | Berman Bobby | GEVP Research & Strategy | Grant | Common Stock, $0.01 par value | 1.3k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | Berman Bobby | GEVP Research & Strategy | Payment of Exercise | Common Stock, $0.01 par value | 323 | $127.72 | $41.3k | | 03/07/2023 |
| 03/07/2023 | Severyn Carol Jean | GEVP and Chief Risk Officer | Grant | Common Stock, $0.01 par value | 1.3k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | Severyn Carol Jean | GEVP and Chief Risk Officer | Payment of Exercise | Common Stock, $0.01 par value | 323 | $127.72 | $41.3k | | 03/07/2023 |
| 03/07/2023 | Alonzo Annette M | GEVP Chief HR Officer | Grant | Common Stock, $0.01 par value | 1.6k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | Alonzo Annette M | GEVP Chief HR Officer | Payment of Exercise | Common Stock, $0.01 par value | 387 | $127.72 | $49.4k | | 03/07/2023 |
| 03/07/2023 | Stead Jimmy | GEVP Chief Consumer Banking | Grant | Common Stock, $0.01 par value | 1.5k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | Stead Jimmy | GEVP Chief Consumer Banking | Payment of Exercise | Common Stock, $0.01 par value | 355 | $127.72 | $45.3k | | 03/07/2023 |
| 03/07/2023 | Wolfshohl Candace K | GEVP Culture/PeopleDevelopment | Grant | Common Stock, $0.01 par value | 1.5k | $0.00 | $0 | | 03/07/2023 |
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