Callon Petroleum Co. (NYSE: CPE) closed its public offering of 25.3 million common shares, including 3.3 million shares sold to underwriters, the company said April 25.

Following this issuance, Callon now has about 121.4 million issued and outstanding shares.

Total net proceeds of about $206.2 million will support the pending Big Star acquisition and AMI transaction. If these transactions are not fulfilled, the proceeds will support exploration, development and general corporate purposes.

Credit Suisse and Scotia Howard Weil were joint book-running managers.

Callon Petroleum Co. is based in Natchez, Miss.