144/A 0001959173-26-003982 0001724931 XXXXXXXX LIVE 0000100517 United Airlines Holdings, Inc. 001-06033 E. ANNA HA - WHQLD 233 SOUTH WACKER DRIVE CHICAGO IL 60606 872-825-4000 Gebo Kate Member of immediate family of any of the foregoing Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

5331 562473.81 324569728 05/26/2026 NASDAQ Common 02/13/2026 Restricted Stock Vesting Issuer N 5331 02/13/2026 Compensation Y This form 144 amends and supersedes the form 144 filed on 05/26/2026. The Executive's Name on the Signature line was updated. Today's sale took place in the John Ray Gebo Rev Trust, of which John Ray Gebo is a trustee. John Ray Gebo is the spouse of Mary K. Gebo, who is an officer in the company. 05/26/2026 /s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mary K. Gebo