Athlon Energy Inc. (NYSE: ATHL) offered 11 million common shares and a monthlong overallotment option that would allow underwriters to purchase an additional 1,650,000 shares, the company said April 15.

Net proceeds from the shares offering will support pending acquisitions and general corporate purposes, Athlon added.

Citigroup Global Markets Inc. and Goldman Sachs & Co. were joint-book running managers, the company said.

Also on the same day, the company and its wholly owned subsidiary Athlon Finance Corp. offered $500 million, in aggregate principal amount, of senior notes due 2022, Athlon Energy noted. Athlon Finance was a co-issuer, the company added.

A portion of the net proceeds from the senior notes will support pending acquisitions and general corporate purposes, alongside all the proceeds from the share offering, the company said. Credit borrowings may also be used, the company added.

Fort Worth, Texas-based Athlon Energy Inc. acquires and develops Permian Basin oil and natural gas.