X0306 4 2021-03-15 0001611983 Liberty Broadband Corp LBRDA 0001663090 Wendling Brian J 12300 LIBERTY BLVD. ENGLEWOOD CO 80112 1 CAO/PFO Series A Cumulative Redeemable Preferred Stock 2021-03-15 4 P 0 3700.0000 26.7500 A 15200.0000 D Series C Common Stock 2021-03-15 4 A 0 2167.0000 0.0000 A 11327.0000 D Series C Common Stock 2021-03-15 4 F 0 998.0000 153.4100 D 10329.0000 D Represents shares of Series C Common Stock issued upon satisfaction of performance criteria established for the performance-based restricted stock units granted to the reporting person on March 13, 2020 (including performance-based restricted stock units granted by GCI Liberty, Inc. to the reporting person which were converted into performance-based restricted stock units of the Issuer in connection with the combination of the Issuer and GCI Liberty, Inc. completed on December 18, 2020). /s/ Brittany A. Uthoff as Attorney-in-Fact for Brian J. Wendling 2021-03-17