RSP Permian, Inc. Launches Initial Public Offering

RSP Permian, Inc. (the "Company") today announced the commencement of its initial public offering of 20,000,000 shares of its common stock, at an anticipated initial public offering price between $19.00 and $21.00 per share. The Company is offering 9,225,000 shares of its common stock, and the selling stockholders named in the registration statement are offering 10,775,000 shares of the Company's common stock. The selling stockholders will grant the underwriters a 30-day option to purchase up to an additional 3,000,000 shares of the Company's common stock from the selling stockholders if the underwriters sell more than 20,000,000 shares of the Company's common stock to cover overallotments. The Company has been approved to list its common shares on the New York Stock Exchange (NYSE) under the symbol "RSPP," subject to official notice of issuance.

Barclays, J.P. Morgan, Tudor, Pickering, Holt & Co., Raymond James, RBC Capital Markets and UBS Investment Bank will act as joint book-running managers for this offering.

This offering will be made pursuant to a registration statement on Form S-1 previously filed with the Securities and Exchange Commission (the "SEC"). The registration statement has not yet become effective, and the securities described therein may not be sold nor may offers to buy be accepted prior to the time that the registration statement becomes effective. The registration statement is available on the SEC's website at www.sec.gov under the registrant's name, "RSP Permian, Inc."

This offering will be made only by means of a written prospectus. A copy of the preliminary prospectus for the offering may be obtained, when available, from:

Barclays c/o Broadridge Financial Solutions 1155 Long Island Avenue Edgewood, NY 11717 [e-mail] Toll-Free: 1-888-603-5847		J.P. Morgan c/o Broadridge Financial Solutions 1155 Long Island Avenue Edgewood, NY 11717 Toll-Free: 1-866-803-9204		Tudor, Pickering, Holt & Co. Attn: Prospectus Department Heritage Plaza 1111 Bagby, Suite 5100 Houston, TX 77002 Telephone: [phone]
Raymond James Attn: Prospectus Department 880 Carillon Parkway St. Petersburg, FL 33716 [e-mail] Toll-Free: 1-800-248-8863		RBC Capital Markets Attn: Prospectus Department Three World Financial Center 200 Vesey Street, 8th Floor New York, NY 10281 Toll-Free: 1-877-822-4089		UBS Investment Bank Attn: Prospectus Department 299 Park Avenue New York, NY 10171 Toll-Free: 1-888-827-7275

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of the securities described in the registration statement or the prospectus in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

RSP Permian, Inc. is an independent oil and natural gas company focused on the acquisition, exploration, development and production of unconventional oil and associated liquids-rich natural gas reserves in the Permian Basin of West Texas.

This release includes "forward-looking statements" within the meaning of federal securities laws. Such forward-looking statements are subject to a number of risks and uncertainties, many of which are beyond RSP Permian, Inc.'s control. All statements, other than historical facts included in this release, are forward-looking statements. All forward-looking statements speak only as of the date of this release. Although the Company believes that the plans, intentions and expectations reflected in or suggested by the forward-looking statements are reasonable, there is no assurance that these plans, intentions or expectations will be achieved. Therefore, actual outcomes and results could materially differ from what is expressed, implied or forecast in such statements.

We caution you that these forward-looking statements are subject to all of the risks and uncertainties, most of which are difficult to predict and many of which are beyond our control, incident to the exploration for and development, production, gathering and sale of oil and natural gas. These risks include, but are not limited to, commodity price volatility, inflation, lack of availability of drilling and production equipment and services, environmental risks, drilling and other operating risks, regulatory changes, the uncertainty inherent in estimating natural gas and oil reserves and in projecting future rates of production, cash flow and access to capital and the timing of development expenditures.

RSP Permian, Inc.
Mike Grimm, 214-252-2713