EX-21 7 chk-ex_21x20201231x10k.htm EX-21

|  | Exhibit 21

CHESAPEAKE ENERGY CORPORATION
an Oklahoma Corporation
SIGNIFICANT SUBSIDIARIES*

Limited Liability Companies |  | State of Organization
Brazos Valley Longhorn, L.L.C. |  | Delaware
Chesapeake Appalachia, L.L.C. |  | Oklahoma
Chesapeake Energy Marketing, L.L.C. |  | Oklahoma
Chesapeake Exploration, L.L.C. |  | Oklahoma
Chesapeake Land Development Company, L.L.C. |  | Oklahoma
Chesapeake Operating, L.L.C. |  | Oklahoma
WHR Eagle Ford LLC |  | Delaware
Partnerships |  | State of Organization
Chesapeake Louisiana, L.P. |  | Oklahoma
* In accordance with Regulation S-K Item 601(b)(21), the names of particular subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary (as that term is defined in Rule 1-02(w) of Regulation S-X) as of the end of the year covered by this report have been omitted.