X0306 4 2023-02-09 0 0001389002 MARIN SOFTWARE INC MRIN 0001189762 CROVITZ L GORDON C/O MARIN SOFTWARE INCORPORATED 845 MARKET STREET, SUITE 450 SAN FRANCISCO CA 94103 1 0 0 0 Restricted Stock Units 0.00 2023-02-09 4 A 0 54032 0.00 A Common Stock 54032 54032 D Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of the Issuer's Common Stock upon settlement. The RSUs shall vest as to 100% of the total number of shares on the date of the Issuer's annual meeting of stockholders held in 2024, provided that the Reporting Person continues to serve on the Issuer's Board of Directors on such vesting date and provided further that, in the event of certain corporate transactions, all of the shares subject to the RSUs shall immediately vest in full as of the effectiveness of such transaction. The RSUs have no expiration date. /s/ L. Gordon Crovitz by Robert Bertz, Attorney-in-Fact 2023-02-13