144 0002060047 XXXXXXXX LIVE 0001988894 Amer Sports, Inc. 001-41943 SILTASAARENKATU 8-10 FL-00530 HELSINKI H9 00511 358 207 122 500 Dudy Joseph W Officer PRESIDENT AND CEO, WILSON ORDINARY SHARES CITIGROUP GLOBAL MARKETS

390 GREENWICH STREET NEW YORK NY 10013

4904 109645.00 553631196 04/16/2025 NYSE ORDINARY SHARES 04/16/2025 RESTRICTED STOCK VESTING AMER SPORTS INC N 4904 04/16/2025 COMPENSATION N JOSEPH DUDY

SILTASAARENKATU 8-10 FL-00530 HELSINKI H9 00511

ORDINARY SHARES 03/05/2025 287841 8347389.00 THESE SHARES WERE SOLD TO COVER TAX OBLIGATIONS ARISING FROM THE VESTING AND SETTLEMENT OF EQUITY AWARDS. THE SALES TOOK PLACE APRIL 16 2025 SECTION 3 D BASED ON INDICATIVE MARKET PRICE . UNDER SECURITIES TO BE SOLD DATE ACQUIRED WAS VARIOUS DATES . THESE WERE FROM LTIP 04/16/2025 CONFORMED SIGNATURE ON FILE