Company: LBRDK
Filing Date: 2025-01-10
Form Type: PRER14A
Source: 0001140361-25-000778
Chunk: 598

Company: Liberty Broadband Corp
Filing Date: 2025-01-10
Form: PRER14A
Chunk 598
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                                   |
|                     |     | Title: Senior Vice President and Assistant Secretary |

| CHARTER COMMUNICATIONS, INC. |     |                                |
| By:                          |     | /s/ Jessica M. Fischer         |
|                              |     | Name: Jessica M. Fischer       |
|                              |     | Title: Chief Financial Officer |

[Signature Page to Tax Sharing Agreement Joinder Agreement]

E-5

#### TABLE OF CONTENTS

#### Annex F

### ASSUMPTION AND JOINDER AGREEMENT TO

### INDEMNIFICATION AGREEMENT
This ASSUMPTION AND JOINDER AGREEMENT TO INDEMNIFICATION AGREEMENT is made and entered into as of November 12, 2024 (the “ Assumption and Joinder Agreement ”), by and among Charter Communications, Inc., a Delaware corporation (“ Parent ”), Liberty Broadband Corporation, a Delaware corporation (the “ Company ”), Grizzly Merger Sub 1, LLC, a Delaware limited liability company (successor to GCI Liberty, Inc., a Delaware corporation) (“ Grizzly Merger Sub ”), LV Bridge, LLC, a Delaware limited liability company and Wholly Owned Subsidiary of the Company (“ LV Bridge ”), Qurate Retail, Inc., a Delaware corporation (f/k/a Liberty Interactive Corporation) (“ Qurate Retail ”) and Liberty Interactive LLC, a Delaware limited liability company and Wholly Owned Subsidiary of Qurate (“ LI LLC ”). Capitalized terms used but not defined herein will have the meanings ascribed thereto in the Merger Agreement (as defined below).

### W I T N E S S E T H
WHEREAS, Qurate Retail, LI LLC, Grizzly Merger Sub and LV Bridge are parties to the Indemnification Agreement, dated as of March 9, 2018 (as the same may be amended from time to time, the “ Indemnification Agreement ”);

WHEREAS, the Company became a party to the Indemnification Agreement pursuant to that certain Assumption and Joinder Agreement to Indemnification Agreement, dated as of August 6, 2020, by and among the Company, Grizzly Merger Sub, LV Bridge, Qurate Retail and LI LLC (the “ Company Joinder ”);

WHEREAS, simultaneously with the execution of this Assumption and Joinder Agreement, Parent, Fusion Merger Sub 1, LLC, a single member Delaware limited liability company and a direct Wholly Owned Subsidiary of Parent