144 0001769347 XXXXXXXX LIVE 0001988894 Amer Sports, Inc. 001-41943 CRICKET SQUARE, HUTCHINS DRIVE P.O. BOX 2681 GRAND CAYMAN E9 KY1-1111 358 207 122 500 Page Andrew E Chief Financial Officer Ordinary Shares Citigroup Global Markets, Inc.

390 Greenwich St New York NY 10031

2022 57889.86 581822024 09/02/2026 NYSE Ordinary Shares 09/01/2026 RSU Vesting Amer Sports, Inc. N 4514 09/02/2026 Compensation Y Section 3D based on indictive market price of $28.63. Shares are being sold are obligations to cover the vesting and settlement of equity awards 09/02/2026 Conformed Signature On File