X0306 4 2020-12-16 0001611983 Liberty Broadband Corp LBRDA 0000937797 MALONE JOHN C 12300 LIBERTY BLVD. ENGLEWOOD CO 80112 1 1 Series C Common Stock 2020-12-16 4 S 0 40481.0000 160.9807 D 2311378.0000 D Series C Common Stock 2020-12-16 4 S 0 104679.0000 160.2482 D 2206699.0000 D Series C Common Stock 2020-12-17 4 S 0 7259.0000 160.7069 D 2199440.0000 D Series C Common Stock 2020-12-17 4 S 0 47581.0000 161.8959 D 2151859.0000 D Series C Common Stock 2020-12-18 5 G 0 31000.0000 0.0000 D 2120859.0000 D Series C Common Stock 239315.0000 I Leslie A. Malone 1995 Revocable Trust Series C Common Stock 213332.0000 I Malone LG 2013 Charitable Remainder Unitrust Open market sale pursuant to a 10b5-1 trading plan adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. The price is a weighted average price. These shares were sold in multiple transactions ranging from $160.71 to $161.67, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. The price is a weighted average price. These shares were sold in multiple transactions ranging from $159.69 to $160.68, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. The price is a weighted average price. These shares were sold in multiple transactions ranging from $160.27 to $161.10, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. The price is a weighted average price. These shares were sold in multiple transactions ranging from $161.27 to $162.25, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Includes 239,315 shares of the Issuer's Series C common stock that were previously reported as indirectly held by the reporting person's spouse. The reporting person disclaims beneficial ownership of these shares. /s/ Craig Troyer as Attorney-in-Fact for John C. Malone 2020-12-18