Athlon Energy : Closes Upsized Public Offering of Common Stock, Including Underwriters’ Option to Purchase Additional Shares

Athlon Energy Inc. (NYSE: ATHL) (“Athlon”) announced today the closing of its previously announced underwritten public offering of 14,806,250 shares of common stock at $40.00 per share, which includes 1,931,250 shares of Athlon’s common stock subject to the underwriters’ option to purchase additional shares of common stock from Athlon, which was exercised in full on April 17, 2014. The offering was upsized to 12,875,000 shares from the original offering size of 11,000,000 shares.

Athlon received net proceeds of approximately $570.5 million, after underwriting discounts and commissions and estimated offering expenses. Athlon plans to use all of the net proceeds from this offering, together with net proceeds from a senior notes offering and/or borrowings under its credit agreement to fund the purchase price of pending acquisitions and for general corporate purposes.

Citigroup Global Markets Inc. and Goldman, Sachs & Co. acted as joint book-running managers for the offering. Credit Suisse Securities (USA) LLC; Wells Fargo Securities, LLC; RBC Capital Markets, LLC; Scotia Capital (USA) Inc.; Barclays Capital Incorporated; and Tudor, Pickering, Holt & Co. Securities, Inc. also acted as book-running managers for the offering. Apollo Global Securities, LLC; Simmons & Company International; Stephens Inc.; UBS Securities LLC; CIBC World Markets Corp.; and Mitsubishi UFJ Securities (USA), Inc. acted as co-managers for the offering.

The offering of these securities was made only by means of a prospectus, copies of which may be obtained from:

Citigroup c/o Broadridge Financial Solutions 1155 Long Island Avenue Edgewood, NY 11717 [e-mail] Toll-Free: 1-800-831-9146				Goldman, Sachs, & Co. Attn: Prospectus Department 200 West Street New York, NY 10282 [e-mail] Telephone: [phone]

About Athlon Energy:

Athlon Energy is an independent exploration and production company focused on the acquisition, development, and exploitation of unconventional oil and liquids-rich natural gas reserves in the Permian Basin.

Important Information:

A registration statement relating to these securities has been filed with, and declared effective by, the United States Securities and Exchange Commission (the “SEC”). The registration statement may be obtained free of charge at the SEC’s website at www.sec.gov under the registrant’s name, “Athlon Energy Inc.” This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or jurisdiction.

Cautionary Statement Concerning Forward-Looking Statements:

Certain statements contained in this press release constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements represent Athlon’s expectations or beliefs concerning future events, and it is possible that the results described in this press release will not be achieved. These forward-looking statements are subject to risks, uncertainties, and other factors, many of which are outside of Athlon’s control, which could cause actual results to differ materially from the results discussed in the forward-looking statements.

Any forward-looking statement speaks only as of the date on which it is made, and, except as required by law, Athlon does not undertake any obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. New factors emerge from time to time, and it is not possible for Athlon to predict all such factors. When considering these forward-looking statements, you should keep in mind the risk factors and other cautionary statements in the prospectus filed with the SEC in connection with this offering. The risk factors and other factors noted in Athlon’s prospectus could cause our actual results to differ materially from those contained in any forward-looking statement.