MNSB · MainStreet Bancshares, Inc.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

The reporting person used the net proceeds from the sale of these shares for the purchase of a residence.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

Includes a transfer of 7,831 shares from direct ownership to indirect ownership held by 401(k) Plan.

Includes unvested stock awards of 10,000 shares under Issuer's 2019 Equity Incentive Plan which will vest over a 5-year period

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.

This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.

This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.

This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.

This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.

This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.