Report of Independent Registered Public Accounting Firm /s/ BDO USA, LLP Houston, Texas February 26, 2014 In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of Dril-Quip, Inc. at December 31, 2013 and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2013, in conformity with accounting principles generally accepted in the United States of America. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion. We have audited the accompanying consolidated balance sheet of Dril-Quip, Inc. (the “Company”) as of December 31, 2013 and the related consolidated statements of income, comprehensive income, stockholders’ equity, and cash flows for each of the two years in the period ended December 31, 2013. These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. Board of Directors and Stockholders Dril-Quip, Inc. Houston, Texas 45