4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 1. Name and Address of Reporting Person(s) WHITTEMORE, FREDERICK B. MORGAN STANLEY DEAN WITTER 1221 AVENUE OF THE AMERICAS NEW YORK, NY 10020 2. Issuer Name and Ticker or Trading Symbol Chesapeake Energy Corporation (CHK) 3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary) 4. Statement for Month/Day/Year 11/18/2002 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [X] Director [ ] 10% Owner [ ] Officer (give title below) [ ] Other (specify below) Director 7. Individual or Joint/Group Filing (Check Applicable Line) [X] Form filed by One Reporting Person [ ] Form filed by More than One Reporting Person Table I Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Security 2)Trans- 3.Trans- 4.Securities Acquired(A) 5)Amount of 6) 7)Nature of action action or Disposed of (D) Securities Indirect Date Code A Beneficially D Beneficial (Month/ or Owned at or Ownership Day/Year) Code V Amount D Price End of Month I ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 11/18/02 X 45,000 A $0.7089 D Direct Common Stock 11/18/02 X 45,000 A $0.6667 D Direct Common Stock 11/18/02 X 45,000 A $0.5556 D Direct Common Stock 11/18/02 X 45,000 A $2.4311 D Direct Common Stock 11/18/02 X 45,000 A $3.3889 D Direct Common Stock 11/18/02 X 45,000 A $6.4734 674,950 D Direct Common Stock 41,750 I by Family Foundat ion Table II (PART 1) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1 through 6) ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Derivative 2)Conversion 3)Trans- 4)Trans- 5)Number of Derivative 6)Date Exercisable and Security or Exercise action action Securities Acquired (A) Expiration Date Price of Date Code or Disposed of (D) Derivative Security Code V A D Exercisable Expiration ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option $0.5556 11/18/02 X 45,000 04/19/04 (right to buy) Non-Qualified Stock Option $0.6667 11/18/02 X 45,000 12/15/03 (right to buy) Non-Qualified Stock Option $0.7089 11/18/02 X 45,000 09/30/03 (right to buy) Non-Qualified Stock Option $2.4311 11/18/02 X 45,000 10/11/04 (right to buy) Non-Qualified Stock Option $3.3889 11/18/02 X 45,000 12/16/04 (right to buy) Non-Qualified Stock Option $6.4734 11/18/02 X 45,000 10/10/05 (right to buy) Table II (PART 2) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1,3 and 7 through 11) ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Derivative 3)Trans- 7)Title and Amount 8)Price 9)Number of 10) 11)Nature of Security action of Underlying of Deri- Derivative Indirect Date Securities vative Securities D Beneficial Amount or Security Beneficially or Ownership Number of Owned at I - Title Shares End of Month ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option 11/18/02 Common Stock 45,000 0 D Direct (right to buy) Non-Qualified Stock Option 11/18/02 Common Stock 45,000 0 D Direct (right to buy) Non-Qualified Stock Option 11/18/02 Common Stock 45,000 0 D Direct (right to buy) Non-Qualified Stock Option 11/18/02 Common Stock 45,000 0 D Direct (right to buy) Non-Qualified Stock Option 11/18/02 Common Stock 45,000 0 D Direct (right to buy) Non-Qualified Stock Option 11/18/02 Common Stock 45,000 0 D Direct (right to buy)Explanation of Responses: SIGNATURE OF REPORTING PERSON /S/ By: Jennifer M. Grigsby For: Frederick B. Whittemore DATE 11/18/02