X0508 4 2025-02-28 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 2025-02-28 4 A 0 15317 27.2 A 62673 D Common Stock 2025-02-28 4 A 0 6494 27.2 A 69167 D Common Stock 2025-02-28 4 F 0 3544 27.2 D 65623 D Common Stock 2025-03-03 4 S 0 9000 26.82 D 56623 D Restricted shares that will vest on February 28, 2028. Includes restricted shares that are subject to forfeiture under certain circumstances. Performance based shares awarded to Mr. Carroll February 28, 2025 after achieving specific performance goals and vesting over the 2022-2025 period. 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 March 3, 2025 ranging from $26.96-$27.35. Mr. Carroll undertakes to provide upon request by 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 2025-03-04