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Exhibit 22.1

Subsidiary Guarantors of Callon Petroleum Company
Name						State of Incorporation
Callon Petroleum Operating Company						Delaware
Callon (Permian) LLC						Delaware
Callon Permian II, LLC						Delaware
Callon (Permian) Minerals LLC						Delaware
Callon (Niobrara) LLC						Delaware
Callon (Utica) LLC						Delaware
Callon Marcellus Holding Inc.						Delaware

Each of the above subsidiaries of Callon Petroleum Company has fully guaranteed on a senior unsecured, joint and several basis each of the debt securities of the Company listed below:

Debt Securities of the Company Guaranteed by each of the Subsidiary Guarantors.

6.375% Senior Notes due July 1, 2026

8.0% Senior Notes due August 1, 2028

7.5% Senior Notes due June 15, 2030