John Marshall Bancorp Inc

We will pay the costs of soliciting proxies from our shareholders, and plan on soliciting proxies by mail. If you choose to access the proxy materials and/or vote over the Internet, you are responsible for Internet access charges you may incur. If you choose to vote by telephone, you are responsible for telephone charges you may incur. In order to ensure adequate representation at the Annual Meeting, our directors, officers and employees and those of the Bank may, without additional compensation therefor, communicate with shareholders, brokerage houses and others by telephone, email, facsimile or in person, to request that proxies be furnished. We will reimburse brokerage houses, banks, custodians, nominees and fiduciaries for their reasonable expenses in forwarding proxy materials to the beneficial owners of the Company’s common stock.