| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| Feinglass Howard | Director, 10%+ Owner | 2000 SALZEDO STREET, SUITE 1514, CORAL GABLES | /s/ Robert Anderson by P.O.A. for Howard P. Feinglass | 2025-09-15 | 0001732866 | 
| Priam Capital Fund II, L.P. | 10%+ Owner | 2000 SALZEDO STREET, SUITE 1514, CORAL GABLES | /s/ Priam Capital Associates II LLC Robert Anderson by P.O.A. for Howard P. Feinglass, the managing member of Priam Capital Associates II, LLC | 2025-09-15 | 0001874961 | 
| Priam Capital Associates II LLC | 10%+ Owner | 2000 SALZEDO STREET, SUITE 1514, CORAL GABLES | /s/ Priam Capital Fund II, L.P. Robert Anderson by P.O.A. for Howard P. Feinglass, the managing member of Priam Capital Associates II, LLC, the general partner of Priam Capital Fund II, L.P. | 2025-09-15 | 0001875134 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | USCB | Class A Voting Common Stock | Other | $0 | -50K | -1.24% | $0.00 | 3.97M | Sep 12, 2025 | By Priam Capital Fund II, LP | F1, F2 | 
| holding | USCB | Class A Voting Common Stock | 6.31K | Sep 12, 2025 | Direct | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | USCB | Option to Purchase Class A Voting Common Stock | 7.5K | Sep 12, 2025 | Class A Common Stock | 7.5K | $7.50 | Direct | F3 | |||||
| holding | USCB | Option to Purchase Class A Voting Common Stock | 4K | Sep 12, 2025 | Class A Common Stock | 4K | $11.35 | Direct | F3 | 
| Id | Content | 
|---|---|
| F1 | Priam Captial Fund II, LP distributed these shares to an unaffiliated limited partner in Priam Capital Fund II, LP for no consideration. | 
| F2 | Priam Capital Fund II, L.P. ("Priam Capital II") directly holds the indicated number of shares of the Issuer's Class A Voting Common Stock. Priam Capital Associates II LLC ("Priam Capital Associates") is the general partner of Priam Capital II. Howard P. Feinglass is the managing member of Priam Capital Associates. By virtue of such relationships, Priam Capital Associates and Mr. Feinglass may be deemed to have voting and dispositive power over securities held by Priam Capital II and, as a result, may be deemed to have beneficial ownership of such securities. Priam Capital Associates and Mr. Feinglass disclaim beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein, and this report shall not be deemed an admission that they are beneficial owners of such securities for the purposes of Section 16. | 
| F3 | The options were previously granted to Mr. Feinglass as a director of the Company. Each option to purchase Class A Voting Common Stock remains exercisable until the earlier of (a) ten (10) years after its date of grant or (b) the (3) months after the date Mr. Feinglass ceases to serve as a non-employee of the Issuer. |