SCHEDULE 13G/A 0001050797-24-000027 0001079756 XXXXXXXX LIVE 26 Common Stock 06/30/2025 0001050797 Columbia Sportswear Company 198516106 14375 NW Science Park Drive Portland OR 97229 Rule 13d-1(d) Timothy P. Boyle b X1 23012323.00 1014.00 23012323.00 1014.00 23013337.00 N 42.0 IN Columbia Sportswear Company 14375 NW Science Park Drive, Portland, OR, 97229 Timothy P. Boyle 14375 NW Science Park Drive, Portland, Oregon 97229 United States of America Y Under the rules and regulations of the Securities and Exchange Commission, as of August 14, 2025, Mr. Boyle may be deemed to be the beneficial owner of a total of 23, 013,337 shares of Issuer Common Stock. This amount includes (i) 2,000 shares held in a stock voting trust, of which Mr. Boyle is the trustee; (ii) 11,659,819 shares held in grantor retained annuity trusts for which Mr. Boyle is the trustee and income beneficiary; (iii) 1,014 shares held in a trust for Mrs. Boyle, of which she is the trustee; and (iv) 79,284 stock options exercisable within 60 days of August 14, 2025. Pursuant to Rule 13d-4, this filing shall not be construed as an admission that Mr. Boyle is, for the purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of the securities identified in clause (iii) of this paragraph. Mr. Boyle's beneficial ownership of Issuer Common Stock represented approximately 42.0% of the Issuer's 54,770,067 issued and outstanding shares of such stock as of July 25, 2025. 23,012,323 1,014 23,012,323 1,014 Y N Y Y Y Y N Timothy P. Boyle /s/ TIMOTHY P. BOYLE 08/14/2025