X0508 4 2024-02-26 0 0000051644 INTERPUBLIC GROUP OF COMPANIES, INC. IPG 0001222502 CARROLL CHRISTOPHER F IPG 909 THIRD AVENUE NEW YORK NY 10022 0 1 0 0 SVP, Controller & CAO 0 Common Stock 2024-02-26 4 A 0 14420 32.41 A 71230 D Common Stock 2024-02-26 4 F 0 10458 32.41 D 60772 D Common Stock 2024-02-27 4 S 0 18382 32.2 D 42390 D Performance based shares, awarded to Mr. Carroll on February 26, 2024 after achieving specific performance goals and vesting over the 2021-2024 period. Includes restricted shares that are subject to forfeiture under certain circumstances. This is not an open market sale; rather it represents a surrender of shares to the company to satisfy withholding tax obligations. Open market sale. Reflects average price of multiple sales on February 27, 2024 ranging from $32.07-$32.43. Mr. Carroll undertakes to provide to the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. /s/Robert Dobson POA for Chris Carroll 2024-02-28