USCB

Represents the grant of 15,000 shares of restricted stock which vest on July 6, 2029.

Includes 405 shares of restricted stock from a grant of 1,215 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 1,724 shares of restricted stock from a grant of 2,587 shares which commenced vesting at a rate of one-third per year on January 21, 2026, and a grant of 2,674 shares which commence vesting at a rate of one-third per year on January 27, 2027.

Includes 948 shares of restricted stock from a grant of 2,846 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 10,000 shares of restricted stock from a grant of 15,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025, 4,042 shares of restricted stock from a grant of 6,064 shares which commenced vesting at a rate of one-third per year commencing on January 21, 2026 and 6,123 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.07 to $18.47, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.03 to $18.42, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.08, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.17, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.02 to $18.19, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.10 to $18.34, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.20 to $18.30, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.33, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.09 to $18.50, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 27, 2022.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.10 to $18.20, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 23, 2020.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.06 to $18.40, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 23, 2020.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The stock options vested at the rate of one-third per year commencing on September 23, 2020.

The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.05 to $18.25, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.25 to $18.50, inclusive. The reporting persons undertake to provide to USCB, any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

This Form 4 is filed jointly by Patriot Financial Partners GP II, LLC ("Patriot LLC"), Patriot Financial Partners GP II, LP. ("Patriot GP"), Patriot Financial Partners II, LP. ("Patriot Fund II"), Patriot Financial Partners Parallel II, LP. ("Patriot Parallel Fund II," together with Patriot Fund II, the "Funds"), Patriot Financial Manager, LLC ("Manager LLC") and Patriot Financial Manager, L.P. ("Manager LP"), W. Kirk Wycoff, James J. Lynch, Ira M. Lubert and James F. Deutsch.

Patriot GP is a general partner of each of the Funds and Patriot LLC is a general partner of Patriot GP. In addition, each of W. Kirk Wycoff, Ira M. Lubert and James J. Lynch serve as general partners of the Funds and is a member of Patriot LLC. Manager LP, serves as investment manager to the Funds. Manager LLC serves as general partner of Manager LP and W. Kirk Wycoff, Ira M. Lubert and James J. Lynch are members of Manager LLC. James F. Deutsch is a member of the Patriot Funds Investment Committee.

The securities owned by the Funds may be regarded as being beneficially owned by Patriot GP, Patriot LLC, Manager LLC, Manager LP, W. Kirk Wycoff, James J. Lynch, Ira M. Lubert and James F. Deutsch.

After the sales, Manager LP holds 7,500 shares of common stock, Patriot Fund II holds 1,617,670 shares of common stock and Patriot Parallel Fund II holds 188,616 shares of common stock.

This filing shall not be deemed an admission that the Reporting Persons are subject to Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or, for purposes of Section 16 of the Exchange Act or otherwise (other than to the extent a Reporting Person directly holds the securities reported herein), and Messrs. Wycoff, Lynch, Lubert and Deutsch each disclaim beneficial ownership of the securities owned by the Funds or Manager LP, except to the extent of their respective pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.20 to $18.57, inclusive. The reporting persons undertake to provide to USCB, any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

This Form 4 is filed jointly by Patriot Financial Partners GP II, LLC ("Patriot LLC"), Patriot Financial Partners GP II, LP. ("Patriot GP"), Patriot Financial Partners II, LP. ("Patriot Fund II"), Patriot Financial Partners Parallel II, LP. ("Patriot Parallel Fund II," together with Patriot Fund II, the "Funds"), Patriot Financial Manager, LLC ("Manager LLC") and Patriot Financial Manager, L.P. ("Manager LP"), W. Kirk Wycoff, James J. Lynch, Ira M. Lubert and James F. Deutsch.

Patriot GP is a general partner of each of the Funds and Patriot LLC is a general partner of Patriot GP. In addition, each of W. Kirk Wycoff, Ira M. Lubert and James J. Lynch serve as general partners of the Funds and is a member of Patriot LLC. Manager LP, serves as investment manager to the Funds. Manager LLC serves as general partner of Manager LP and W. Kirk Wycoff, Ira M. Lubert and James J. Lynch are members of Manager LLC. James F. Deutsch is a member of the Patriot Funds Investment Committee.

The securities owned by the Funds may be regarded as being beneficially owned by Patriot GP, Patriot LLC, Manager LLC, Manager LP, W. Kirk Wycoff, James J. Lynch, Ira M. Lubert and James F. Deutsch.

After the sales, Manager LP holds 7,500 shares of common stock, Patriot Fund II holds 1,617,670 shares of common stock and Patriot Parallel Fund II holds 188,616 shares of common stock.

This filing shall not be deemed an admission that the Reporting Persons are subject to Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or, for purposes of Section 16 of the Exchange Act or otherwise (other than to the extent a Reporting Person directly holds the securities reported herein), and Messrs. Wycoff, Lynch, Lubert and Deutsch each disclaim beneficial ownership of the securities owned by the Funds or Manager LP, except to the extent of their respective pecuniary interest therein.

Includes 885 shares of restricted stock from a grant of 2,655 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 13,333 shares of restricted stock from a grant of 20,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025, 3,938 shares of restricted stock from a grant of 5,907 shares which commenced vesting at a rate of one-third per year on January 21, 2026 and 6,217 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027.

Includes 4,631 shares of restricted stock from a grant of 6,947 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 1,087 shares of restricted stock from a grant of 3,261 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 13,333 shares of restricted stock from a grant of 20,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025 and 7,015 shares of restricted stock which vest at the rate of one-third per year commencing on January 27, 2027.

Includes 5,861 shares of restricted stock from a grant of 8,792 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 1,375 shares of restricted stock from a grant of 4,127 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 8,333 shares of restricted stock from a grant of 25,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024 and 8,878 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027.

Includes 957 shares of restricted stock from a grant of 2,872 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 10,000 shares of restricted stock from a grant of 15,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025, 4,078 shares of restricted stock from a grant of 6,118 shares which commenced vesting at a rate of one-third per year on January 21, 2026 and 6,177 shares of restricted stock which vest at the rate of one-third per year commencing on January 27, 2027.

Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,082 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

Includes 876 shares of restricted stock from a grant of 2,630 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 3,920 shares of restricted stock from a grant of 5,880 shares which commenced vesting at a rate of one-third per year on January 21, 2026 and 6,217 shares of restricted stock which vest at the rate of one-third per year commencing on January 27, 2027.

Includes 948 shares of restricted stock from a grant of 2,846 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 10,000 shares of restricted stock from a grant of 15,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025, 4,042 shares of restricted stock from a grant of 6,064 shares which commenced vesting at a rate of one-third per year commencing on January 21, 2026 and 6,123 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027.