Cable One, Inc.

Disclosure Controls and Procedures

The Company’s management is responsible for establishing and maintaining adequate disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). Disclosure controls and procedures are those controls and procedures that are designed to ensure that information required to be disclosed in the Company’s reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed in the Company’s reports filed or submitted under the Exchange Act is accumulated and communicated to management, including the Company’s CEO and Chief Financial Officer ("CFO"), as appropriate to allow timely decisions regarding required disclosure.

Under the supervision and with the participation of the Company’s management, including the Company’s CEO and CFO, the Company carried out an evaluation as of September 30, 2025 of the effectiveness of the design and operation of the Company’s disclosure controls and procedures pursuant to Exchange Act Rules 13a-15(b) and 15d-15(b). Based upon this evaluation, the Company's CEO and CFO concluded that the Company's disclosure controls and procedures were effective as of September 30, 2025.

Changes in Internal Control Over Financial Reporting

There has been no change in the Company's internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the quarter ended September 30, 2025 that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting.