X0407 4 2023-05-31 0 0001422930 PubMatic, Inc. PUBM 0001865504 Glaser Shelagh C/O PUBMATIC, INC. 601 MARSHALL STREET REDWOOD CITY CA 94063 1 0 0 0 0 Class A Common Stock 2023-05-31 4 M 0 8065 0.00 A 8065 D Restricted Stock Units 2023-05-31 4 A 0 9971 0.00 A Class A Common Stock 9971 9971 D Restricted Stock Units 2023-05-31 4 A 0 3466 0.00 A Class A Common Stock 3466 3466 D Restricted Stock Units 2023-05-31 4 M 0 8065 0.00 D Class A Common Stock 8065 0 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs vest in full on the earliest to occur of (a) the third anniversary of the Grant Date, (b) the Reporting Person's separation from service from the Issuer, and (c) a change in control of the Issuer. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person upon settlement of the RSUs. RSUs do not expire; they either vest are are cancelled prior to vesting date. Represents RSUs payable in lieu of annual cash fees for Board of Directors and committee service pursuant to the Reporting Person's election under the Issuer's non-employee director compensation policy. The RSUs vest in full on the earliest to occur of (a) the third anniversary of the Grant Date, (b) the Reporting Person's separation from service from the Issuer, and (c) a change in control of the Issuer. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person upon settlement of the RSUs. The RSUs vest in full on the earliest to occur of (a) the first anniversary of the grant date, (b) immediately prior to the Company's annual meeting of stockholders in 2023, (c) the Reporting Person's death or disability, and (d) a change in control of the Issuer. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person upon settlement of the RSUs. /s/ Andrew Woods, Attorney-in-Fact 2023-06-02