X0508 4 2025-12-09 0002057463 GCI Liberty, Inc. GLIBK 0001663090 Wendling Brian J 12300 LIBERTY BOULEVARD ENGLEWOOD CO 80112 1 CAO & PFO 0 Series C GCI Group Common Stock 2025-12-10 4 M 0 1054.0000 27.2000 A 3800.0000 D Restricted Stock Units - GLIBK 2025-12-09 4 A 0 7968.0000 0.0000 A 2026-12-09 2026-12-09 Series C GCI Group Common Stock 7968.0000 7968.0000 D Subscription Right (Right to Buy) - GLIBK 27.2000 2025-12-10 4 M 0 1054.0000 0.0000 D Series C GCI Group Common Stock 1054.0000 0.0000 D Each restricted stock unit represents a contingent right to receive one share of Series C GCI Group Common Stock. The rights offering is subject to termination or extension by the Issuer at any time prior to consummation. The rights offering commenced on November 26, 2025. The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer. /s/ Brittany A. Uthoff as Attorney-in-Fact for Brian J. Wendling 2025-12-10