X0306 4 2022-05-10 0001611983 Liberty Broadband Corp LBRDA 0001082013 WARGO J DAVID 12300 LIBERTY BLVD. ENGLEWOOD CO 80112 1 Series A Common Stock 2022-05-10 4 P 0 300.0000 110.7601 A 32214.0000 D Series A Common Stock 2022-05-10 4 P 0 100.0000 110.7601 A 1001.0000 I By Spouse The price is a weighted average price. These shares were purchased as part of a block trade for multiple security-holders of the Issuer in multiple transactions ranging from $110.61 to $110.86, 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 purchased at each separate price within the range set forth in this footnote with regard to the block trade. The reporting person disclaims beneficial ownership of these shares owned by his spouse. /s/ Brittany A. Uthoff as Attorney-in-Fact for J. David Wargo 2022-05-12