Michael E. Stack Increases Stake in Dick's Sporting Goods to 15.42%

Michael E. Stack has increased his beneficial ownership in Dick's Sporting Goods, Inc. to 15.42%, amounting to 12,090,815 shares. This increase is attributed to changes in the trustee of several trusts over which Stack holds shared voting and/or dispositive power and has a pecuniary interest as a co-beneficiary. The trustee for the Denise Stack Non Exempt Descendants Trust, the Edward W Stack Irrev Trust U/A DTD 1/21/2020, the Edward W Stack Non-Grantor Trust U/A Dated 10/5/2020, and the Ardsley Trust U/A DTD 7/17/2024 was changed to Overbrook235 LLC. Stack, as a member of the investment committee for the trustee, shares joint authority over voting and dispositive decisions for these trusts. The filing also details Stack's individual shareholdings, including sole and shared voting and dispositive power over various amounts of common stock and Class B common stock. Stack currently has no specific plans or proposals that would lead to any of the events listed in Item 4 of Schedule 13D, but may engage in open market transactions or gifts of shares in the future. The information is based on outstanding shares as of November 28, 2025.