Jones Energy, Inc. Launches Secondary Offering of Class A Common Stock by Selling Stockholders

Jones Energy, Inc. JONE (“Jones Energy” or “the Company”) announced today the launch of an underwritten secondary offering of 5,000,000 shares of its Class A common stock by certain stockholders affiliated with Metalmark Capital, LLC (“Metalmark”), representing approximately 22% of Metalmark’s current ownership in the Company. The underwriter will have an option to purchase up to an additional 750,000 shares of Class A common stock from Metalmark. The company will not receive any proceeds from the proposed secondary offering.

J.P. Morgan Securities LLC is acting as sole book-running manager for the offering. When available, copies of the prospectus supplement for the offering may be obtained on the website of the Securities and Exchange Commission (“SEC”), www.sec.gov, or by contacting J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, Attention: Prospectus Department (1-866-803-9204), 1155 Long Island Ave., Edgewood, NY 11717.

The Class A common stock will be issued and sold pursuant to an effective shelf registration statement on Form S-3 previously filed with the SEC.

This press release does not constitute an offer to sell or a solicitation of an offer to buy Class A common stock or any other securities, nor shall there be any sale of these securities in any jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. The offering of these securities may be made only by means of a prospectus and related prospectus supplement meeting the requirements of Section 10 of the Securities Act of 1933, as amended.