Financing Seventy Seven Energy Debt

2 Important Information for Investors and Stockholders This presentation does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval. The proposed transaction will be submitted to the stockholders of each of Patterson-UTI Energy, Inc. ("Patterson- UTI") and Seventy Seven Energy Inc. ("SSE") for their consideration. Patterson-UTI will prepare and file a Registration Statement on Form S-4 that will include a prospectus and proxy statement jointly prepared by Patterson-UTI and SSE. SSE and Patterson- UTI may also file other documents with the Securities and Exchange Commission (the "SEC") regarding the proposed transaction. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS THAT WILL BE FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION. Investors and security holders may obtain free copies of the proxy statement/prospectus and other documents containing important information about SSE and Patterson-UTI once such documents are filed with the SEC through the website maintained by the SEC at www.sec.gov. Copies of the documents filed with the SEC by Patterson-UTI will be available free of charge on Patterson-UTI's website at www.patenergy.com under the tab "Investors" and then through the link titled "SEC Filings" or by contacting Patterson- UTI's Investor Relations Department by email at [email protected], or by phone at (281) 765-7100. Copies of the documents filed with the SEC by SSE will be available free of charge on SSE's website at www.77nrg.com under the tab "Investors" and then through the link titled "SEC Filings" or by contacting SSE's Investor Relations Department at [email protected], or by phone at (405) 608-7730. Participants in the Solicitation Patterson-UTI, SSE and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from the stockholders of Patterson-UTI in connection with the proposed transaction. Information about the directors and executive officers of Patterson-UTI is set forth in the Proxy Statement on Schedule 14A for Patterson-UTI's 2015 annual meeting of stockholders, which was filed with the SEC on April 15, 2016. Information about the directors and executive officers of SSE is set forth in the 2015 Annual Report on Form 10-K/A for SSE, which was filed with the SEC on April 29, 2016 and the Current Report on Form 8-K for SSE, which was filed with the SEC on August 1, 2016. These documents can be obtained free of charge from the sources indicated above. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC when they become available.

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