X0508 4 2025-12-04 0 0001714562 GameSquare Holdings, Inc. GAME 0001938019 Hamilton Paul C/O GAMESQUARE HOLDINGS, INC. 6775 COWBOYS WAY, STE. 1335 FRISCO TX 75034 1 0 0 0 0 Common Stock 2025-12-04 4 M 0 150000 A 150000 D Common Stock 503003 I See Footnote Restricted Stock Units 2025-12-04 4 A 0 150000 0 A Common Stock 150000 150000 D Restricted Stock Units 2025-12-04 4 M 0 150000 0 A Common Stock 150000 0 D Represents shares acquired on vesting and settlement of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. Reflects the one-time grant under the Issuer's Amended and Restated Omnibus Equity Incentive Plan ("Omnibus Plan") on December 4, 2025 of 150,000 RSUs, which vest on the grant date and will convert into one share of Issuer's common stock. Reflects securities held directly by AEV Esports, LLC. The Reporting Person is the President and Chief Executive Officer of AEV Esports, LLC and may be deemed to share voting and dispositive control over the shares held by AEV Esports, LLC. /s/ Paul Hamilton 2025-12-08