On March 3, 2021, in connection with the IPO, Mr. Brown, Mr. Jelinek, Ms. Khanna, Mr. Rubenstein, Mr. Sondhi and Mr. Vorhaus were appointed to the board of directors of Altimar Acquisition Corp. III. Each of Mr. Brown, Mr. Jelinek, Ms. Khanna, Mr. Rubenstein, Mr. Sondhi and Mr. Vorhaus is an independent director. Effective March 3, 2021, Mr. Jelinek, Mr. Rubenstein and Mr. Vorhaus were appointed to the Audit Committee of the Board, with Mr. Jelinek serving as the chair of the Audit Committee. Effective March 3, 2021, Mr. Brown, Mr. Jelinek and Mr. Sondhi were appointed to the Compensation Committee of the Board, with Mr. Brown serving as the chair of the Compensation Committee. Effective March 3, 2021, Mr. Brown, Ms. Khanna and Mr. Rubenstein were appointed to the Nominating Committee of the Board, with Mr. Brown serving as the chair of the Nominating Committee.