144 0001868758 XXXXXXXX LIVE 0000789019 MICROSOFT CORP 001-37845 ONE MICROSOFT WAY REDMOND WA 98052-6399 425-882-8080 Althoff Judson Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

12750 6266832.30 7432377655 12/02/2025 NASDAQ Common 09/02/2025 Restricted Stock Vesting Issuer N 12750 09/02/2025 Compensation Y 12/02/2025 /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Judson Althoff