FIRSTSUN CAPITAL BANCORP (FSUN): M&A transaction — FirstSun closes acquisition of First Foundation; exchange ratio 0.16083

providing for the issuance of $150 million aggregate principal amount of 3.50% Fixed-to-Floating Rate Subordinated Notes due 2032

In connection with the completion of the Merger and in accordance with the Merger Agreement, FirstSun’s certificate of incorporation was amended (the “ Charter Amendment ”) to increase the number of authorized shares of FirstSun common stock from 50,000,000 shares to 80,000,000 shares, and to create a new class of non-voting common stock and to authorize 20,000,000 shares of such non-voting common stock (which is in addition to the 80,000,000 shares of authorized common stock referenced above).

common stock issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) became entitled to receive 0.16083 of a share of FirstSun common stock (the “ exchange ratio ”), with cash paid in lieu of any fractional shares. In addition, at the Effective Time, each then-outstanding share of

On April 1, 2026, FirstSun, its existing significant investors, and certain stockholder funds and accounts managed or advised by Fortress Investment Group LLC (“ Fortress ”) and certain stockholder funds and accounts managed or advised by Canyon Capital Advisors LLC (“ Canyon ”), and Strategic Value Investors, LP (together with Fortress and Canyon, the “ First Foundation Stockholders ”) entered into Amendment No. 2 to the Registration Rights Agreement (dated as of June 19, 2017, and as previously amended) (the “ Registration Rights Agreement ”), which became effective upon the completion of the Merger on April 1, 2026.