On February 4, 2021, in connection with the IPO, W. Grant Gregory, Craig Broderick, Catherine D. Rice and W. Thaddeus Miller (the ‘New Directors’) were appointed to the board of directors of RMG Acquisition Corp. III. Effective February 4, 2021, (i) each of W. Grant Gregory, Craig Broderick and W. Thaddeus Miller was appointed to the audit committee, with Mr. Gregory serving as the chair, (ii) each of Catherine D. Rice and Craig Broderick was appointed to the compensation committee, with Mr. Broderick serving as chair and (iii) each of W. Grant Gregory, Craig Broderick and W. Thaddeus Miller was appointed to the nominating and corporate governance committee, with Mr. Miller serving as chair. Following the appointment of the New Directors, the Board is comprised of three classes. The term of office of the first class of directors, consisting of W. Thaddeus Miller and Craig Broderick, will expire at the Company’s first annual general meeting. The term of office of the second class of directors, consisting of W. Grant Gregory and Catherine D. Rice, will expire at the second annual general meeting. The term of office of the third class of directors, consisting of D. James Carpenter, Robert S. Mancini and Philip Kassin, will expire at the third annual general meeting.