DRIL-QUIP INC

In accordance with Exchange Act Rules 13a-15 and 15d-15, the Company carried out an evaluation, under the supervision and with the participation of management, including the Company’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of the Company’s disclosure controls and procedures as of the end of the period covered by this report. Based on that evaluation, the Company’s Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of December 31, 2023 to provide reasonable assurance 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 Securities and Exchange Commission’s rules and forms, and such information is accumulated and communicated to management, including the Company’s Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding disclosure.

The Company’s evaluation on the effectiveness of the Company’s disclosure controls and procedures as of December 31, 2023 excludes the disclosure controls and procedures of Great North, which was acquired in a business combination on July 31, 2023. Great North represents approximately 11% of our consolidated total assets as of December 31, 2023 and approximately 8% of our consolidated revenues for the year ended December 31, 2023.

“Management’s Annual Report on Internal Control over Financial Reporting” appears on page 52 of this Annual Report on Form 10-K.

There has been no change in the Company’s internal controls over financial reporting that occurred during the three months ended December 31, 2023 that has materially affected, or is reasonably likely to materially affect, the Company’s internal controls over financial reporting.