(a) | Amount beneficially owned: 3,877,538, which includes (i) 1,690,192 shares of Common Stock held by Mr. Miller; (ii) 447,200 shares of Common Stock subject to stock options exercisable within 60 days of December 31, 2020; (iii) 73,074 shares of Common Stock issuable upon the settlement of restricted stock units releasable within 60 days of December 31, 2020, (iv) 469,046 shares of Common Stock held by the Miller Family Irrevocable Trust dated as of July 1, 2010, for which the Goldman Sachs Trust Company of Delaware serves as trustee and special trustee, Mr. Miller’s spouse serves as investment advisor and Mr. Miller has the power to remove and replace the trustee, special trustee and investment advisor; (v) 498,026 shares of Common Stock held by the Miller 2018 Family GRAT dated as of December 21, 2018, for which the Goldman Sachs Trust Company of Delaware serves as trustee, Mr. Miller’s attorney serves as special trustee, Mr. Miller’s spouse serves as investment advisor and Mr. Miller has the power to remove and replace the trustee, special trustee and investment advisor; (vi) 300,000 shares of Common Stock held by the MST Trust dated as of December 17, 2012, for which Goldman Sachs Trust Company of Delaware serves as trustee, Mr. Miller’s father serves as distribution advisor, Mr. Miller serves as investment advisor and Mr. Miller has the power to remove and replace the trustee, distribution advisor and investment advisor; and (vii) 400,000 shares of Common Stock held by the Miller 2020 Family GRAT dated as of June 10, 2020, for which the Goldman Sachs Trust Company of Delaware serves as trustee, Mr. Miller’s attorney serves as special trustee, Mr. Miller’s spouse serves as investment advisor and Mr. Miller has the power to remove and replace the trustee, special trustee and investment advisor. |