Form 15-12G Callon Petroleum Co

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number: 001-14039

CALLON PETROLEUM COMPANY

(Exact name of registrant as specified in its charter)

One Briarlake Plaza

2000 W. Sam Houston Parkway S., Suite 2000

Houston, Texas 77042

(281) 589-5200

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Common Stock, par value $0.01 per share

6.375% Senior Notes due 2026

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Approximate number of holders of record as of the certification or notice date:

Common Stock, par value $0.01 per share: 1

6.375% Senior Notes due 2026: 0

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, Callon Petroleum Company has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.