X0306 4 2016-08-26 0 0001389002 MARIN SOFTWARE INC MRIN 0001570728 Hutchison Donald P. C/O MARIN SOFTWARE INCORPORATED 123 MISSION ST, 27TH FLOOR SAN FRANCISCO CA 94105 1 0 0 0 Common Stock 2016-08-26 4 P 0 178 17.59 A 37189 I By Hutchison Family Trust Common Stock 7028 I By Glasgow Investments, LLC The Reporting Person serves as a co-trustee of the trust. The Reporting Person is a managing member of Glasgow Investments, LLC and possesses the power to direct the voting and disposition of the shares held by Glasgow Investments, LLC and as such may be deemed to beneficially own the shares held by Glasgow Investments, LLC. /s/ Donald P. Hutchison by Robert Bertz, Attorney-in-Fact 2021-08-06