144 0001974892 XXXXXXXX LIVE 0001422930 PUBMATIC, INC. 001-39748 601 MARSHALL STREET REDWOOD CITY CA 94063 650-331-3485 PAULINA KLIMENKO Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

40000 687872.00 37303647 08/12/2026 NASDAQ Common 04/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 1676 04/01/2024 Services Rendered Common 04/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 1349 04/01/2024 Services Rendered Common 07/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 1255 07/01/2024 Services Rendered Common 07/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 98 07/01/2024 Services Rendered Common 07/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 1671 07/01/2024 Services Rendered Common 09/30/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 569 09/30/2024 Services Rendered Common 10/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 3225 10/01/2024 Services Rendered Common 10/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 1443 10/01/2024 Services Rendered Common 10/01/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 3275 10/01/2024 Services Rendered Common 12/31/2024 Restricted Stock Vesting Under a Registered Plan Issuer N 579 12/31/2024 Services Rendered Common 01/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 1881 01/01/2025 Services Rendered Common 01/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 3950 01/01/2025 Services Rendered Common 01/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 3911 01/01/2025 Services Rendered Common 04/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 1930 04/01/2025 Services Rendered Common 07/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 3318 07/01/2025 Services Rendered Common 07/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 4247 07/01/2025 Services Rendered Common 07/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 1440 07/01/2025 Services Rendered Common 07/01/2025 Restricted Stock Vesting Under a Registered Plan Issuer N 4183 07/01/2025 Services Rendered N PAULINA KLIMENKO

3 Lagoon Drive, Suite 180 Redwood City CA 94065

COMMON 07/06/2026 9009 120518.00 Klimenko Paulina

3 Lagoon Drive, Suite 180 Redwood City CA 94065

COMMON 07/02/2026 14914 203553.73 PAULINA KLIMENKO

3 Lagoon Drive, Suite 180 Redwood City CA 94065

COMMON 07/01/2026 9254 124175.00 08/12/2026 /s/ Paulina Klimenko