Acadian Asset Management Inc. Reports Financial and Operating Results for the Fourth Quarter Ended December 31, 2025

Acadian Asset Management Inc. (NYSE: AAMI) today announced its results for the fourth quarter ended December 31, 2025. Acadian Asset Management Inc.’s earnings presentation is available at: ir.acadian-inc.com The Company will hold a conference call and simultaneous webcast to discuss the results at 11:00 a.m. Eastern Time today. To listen to the call or view the webcast, participants should: Dial-in Toll Free Dial-in Number: (800) 715-9871 International Dial-in Number: (646) 307-1963 Conference ID: 9046067 Visit ir.acadian-inc.com for the webcast link (register ahead of time or join immediately prior to the call). A replay of the call will be available beginning approximately one hour after its conclusion either on Acadian Asset Management Inc.’s website, at https://ir.acadian-inc.com or by: Dial-in Replay Toll Free Dial-in Number: (800) 770-2030 International Dial-in Number: (609) 800-9909 Conference ID: 9046067 About Acadian Asset Management Inc. Acadian Asset