FORM 8-A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20519 FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(B) OF THE SECURITIES AND EXCHANGE ACT OF 1934 AND LISTING OF SUCH SECURITIES ON THE NEW YORK STOCK EXCHANGE, INC. CHESAPEAKE ENERGY CORPORATION* (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) OKLAHOMA 73-1395733 (STATE OF INCORPORATION) (I.R.S. EMPLOYER IDENTIFICATION NO.) 6100 NORTH WESTERN AVENUE OKLAHOMA CITY, OKLAHOMA 73118 (ADDRESS OF PRINCIPAL OFFICES) (ZIP CODE) SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(B) OF THE SECURITIES EXCHANGE ACT OF 1934 (THE "ACT") TITLE OF EACH CLASS NAME OF EXCHANGE ON WHICH TO BE SO REGISTERED EACH CLASS IS TO BE REGISTERED 9% Senior Notes due 2012 and New York Stock Exchange guarantees thereof This form relates to the registration of a class of "debt securities", as defined in Rule 3a12-11(c) under the Act, pursuant to Section 12(b) of the Act and is effective pursuant to General Instruction A.(c). The issuer of these securities is subject to and in compliance with the reporting requirements under Section 12 or Section 15(d) of the Act. The offer and sale of these securities were registered with the Commission under the Securities Act of 1933. Securities Act registration statement file number to which this form relates (for any registration statement that the issuer is filing concurrently with this form): N/A *Includes certain subsidiaries of Chesapeake Energy Corporation identified on the following pages: THE AMES COMPANY, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1470082 (State of incorporation or organization) (I.R.S. Employer Identification No.) CARMEN ACQUISITION, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1604860 State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE ACQUISITION, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1528271 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE EP CORPORATION (Exact name of registrant as specified in its charter) OKLAHOMA 48-1270813 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE DELTA CORP. (Exact name of registrant as specified in its charter) OKLAHOMA 41-2050649 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE ENERGY LOUISIANA CORPORATION (Exact name of registrant as specified in its charter) OKLAHOMA 73-1524569 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE ENO ACQUISITION, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 82-0553595 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE FOCUS, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 33-1021135 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE KNAN ACQUISITION, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1300132 (State of incorporation or organization) (I.R.S. Employer Identification No.) 2 CHESAPEAKE EXPLORATION LIMITED PARTNERSHIP (Exact name of registrant as specified in its charter) OKLAHOMA 73-1384282 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE LOUISIANA, L.P. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1519126 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE MOUNTAIN FRONT, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1238619 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE OPERATING, INC. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1343196 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE PANHANDLE LIMITED PARTNERSHIP (Exact name of registrant as specified in its charter) OKLAHOMA 73-1565350 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE ROYALTY, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1549744 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE SIGMA, L.P. (Exact name of registrant as specified in its charter) OKLAHOMA 27-0029884 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE-STAGHORN ACQUISITION L.P. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1612854 (State of incorporation or organization) (I.R.S. Employer Identification No.) GOTHIC ENERGY, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 22-2663839 (State of incorporation or organization) (I.R.S. Employer Identification No.) GOTHIC PRODUCTION, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1539475 (State of incorporation or organization) (I.R.S. Employer Identification No.) 3 NOMAC DRILLING CORPORATION (Exact name of registrant as specified in its charter) OKLAHOMA 73-1606317 (State of incorporation or organization) (I.R.S. Employer Identification No.) SAP ACQUISITION, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 73-1622555 (State of incorporation or organization) (I.R.S. Employer Identification No.) CHESAPEAKE ORC, L.L.C. (Exact name of registrant as specified in its charter) OKLAHOMA 71-0934234 (State of incorporation or organization) (I.R.S. Employer Identification No.) All requisite approvals and authorizations have been received, and required supporting documents relating to this transaction have been filed with the New York Stock Exchange. Pursuant to the requirements of Section 12 of the Act, the registrants have duly caused the registration statement to be signed on their behalf by the undersigned, thereto duly authorized. In connection with the issuance of these securities, the issuer has received opinion(s) of counsel covering: the valid existence of the issuer; the due authorization of the debt securities subject to this application (the "Debt Securities"); the validity of the Debt Securities; the qualification of the indenture under the Trust Indenture Act of 1939, if applicable; and the effectiveness of the securities under the Securities Act of 1933, or, if not registered, the reasons why not. 4 REGISTRANTS: CHESAPEAKE ENERGY CORPORATION By:/s/Martha A. Burger -------------------------------------- Martha A. Burger, Treasurer and Senior Vice President Human Resources THE AMES COMPANY, L.L.C. CARMEN ACQUISITION, L.L.C. CHESAPEAKE ACQUISITION, L.L.C. CHESAPEAKE ENO ACQUISITION, L.L.C. CHESAPEAKE FOCUS, L.L.C. CHESAPEAKE KNAN ACQUISITION, L.L.C. CHESAPEAKE MOUNTAIN FRONT, L.L.C. CHESAPEAKE ORC, L.L.C. CHESAPEAKE ROYALTY, L.L.C. GOTHIC ENERGY, L.L.C. GOTHIC PRODUCTION, L.L.C. SAP ACQUISITION, L.L.C. For each of the above: By:/s/ Martha A. Burger -------------------------------------- Martha A. Burger, Treasurer and Vice President CHESAPEAKE DELTA CORP. CHESAPEAKE ENERGY LOUISIANA CORPORATION CHESAPEAKE EP CORPORATION CHESAPEAKE OPERATING, INC. NOMAC DRILLING CORPORATION For each of the above: By:/s/ Martha Burger -------------------------------------- Martha A. Burger, Treasurer CHESAPEAKE EXPLORATION LIMITED PARTNERSHIP CHESAPEAKE LOUISIANA, L.P. CHESAPEAKE PANHANDLE LIMITED PARTNERSHIP CHESAPEAKE SIGMA, L.P. CHESAPEAKE-STAGHORN ACQUISITION L.P. For each of the above By: Chesapeake Operating, Inc. General Partner By:/s/ Martha A. Burger -------------------------------------- Martha A. Burger, Treasurer and Senior Vice President Human Resources Date: March 19, 2003 5 Listing Application to New York Stock Exchange, Inc. ( 165167 ) 1st 6 digits of Cusip# The New York Stock Exchange, Inc. hereby authorizes the above referenced debt securities of CHESAPEAKE ENERGY CORPORATION and certifies to the Securities and Exchange Commission its approval for the listing and registration of such securities under the Act: By: ___________________________________ Janice O'Neill Vice President Listing Compliance & Operations 6