X0306 4 2022-11-10 0 0001422930 PubMatic, Inc. PUBM 0001834185 Hirsch Jeffrey K. C/O PUBMATIC, INC. 601 MARSHALL STREET REDWOOD CITY CA 94063 0 1 0 0 Chief Commercial Officer Class A Common Stock 2022-11-10 4 C 0 5000 0.00 A 12662 D Class A Common Stock 2022-11-10 4 S 0 4597 15.2169 D 8065 D Class A Common Stock 2022-11-10 4 S 0 403 15.845 D 7662 D Stock Option (Right to buy Class B Common Stock) 2.16 2022-11-10 4 M 0 1875 0.00 D 2030-07-28 Class B Common Stock 1875 78944 D Class B Common Stock 2022-11-10 4 M 0 1875 0.00 A Class A Common Stock 1875 1875 D Stock Option (Right to buy Class B Common Stock) 2.97 2022-11-10 4 M 0 3125 0.00 D 2029-05-20 Class B Common Stock 3125 18152 D Class B Common Stock 2022-11-10 4 M 0 3125 0.00 A Class A Common Stock 3125 5000 D Class B Common Stock 2022-11-10 4 C 0 5000 0.00 D Class A Common Stock 5000 0 D Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.74 to $15.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.78 to $15.93, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. The option vested as to 1/48 of the total shares on February 1, 2020, and 1/48 of the total shares vests monthly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The option vested as to 1/48 of the total shares on February 1, 2019, and 1/48 of the total shares vests monthly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date. /s/ Andrew Woods, Attorney-in-Fact 2022-11-15