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) ROWLAND MARCUS C. 6100 N. Western Avenue Oklahoma City, OK 73118 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 11/14/2002 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [ ] Director [ ] 10% Owner [X] Officer (give title below) [ ] Other (specify below) Exec. Vice President & CFO 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 11/14/02 M 12,150 A $1.1300 D Direct Common Stock 11/14/02 F 2,061 D $6.6600 D Direct Common Stock 11/14/02 M 10,125 A $1.1300 D Direct Common Stock 11/14/02 F 1,717 D $6.6600 D Direct Common Stock 11/14/02 M 4,536 A $1.1300 D Direct Common Stock 11/14/02 F 769 D $6.6600 D Direct Common Stock 11/14/02 M 4,463 A $1.1300 D Direct Common Stock 11/14/02 F 757 D $6.6600 D Direct Common Stock 11/14/02 M 2,700 A $1.1300 D Direct Common Stock 11/14/02 F 458 D $6.6600 D Direct Common Stock 11/14/02 M 7,200 A $1.1300 D Direct Common Stock 11/14/02 F 1,221 D $6.6600 D Direct Common Stock 11/14/02 M 1,944 A $1.1300 D Direct Common Stock 11/14/02 F 329 D $6.6600 D Direct Common Stock 11/14/02 M 8,689 A $1.1300 D Direct Common Stock 11/14/02 F 1,474 D $6.6600 D Direct Common Stock 11/14/02 M 10,060 A $1.1300 D Direct Common Stock 11/14/02 F 1,706 D $6.6600 D Direct Common Stock 11/14/02 M 26,628 A $1.1300 D Direct Common Stock 11/14/02 F 4,517 D $6.6600 D Direct Common Stock 11/14/02 M 10,872 A $1.1300 D Direct Common Stock 11/14/02 F 1,844 D $6.6600 102,641 D Direct 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 - ------------------------------------------------------------------------------------------------------------------------------------ Incentive Stock Option (right $1.1300 11/14/02 M 12,150 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 10,125 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 4,536 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 4,463 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 2,700 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 7,200 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 1,944 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 8,689 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 10,060 10/16/08 to buy) Incentive Stock Option (right $1.1300 11/14/02 M 26,628 10/16/08 to buy) Non-Qualified Stock Option $1.1300 11/14/02 M 10,872 10/16/08 (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 - ------------------------------------------------------------------------------------------------------------------------------------ Incentive Stock Option (right 11/14/02 Common Stock 12,150 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 10,125 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 4,536 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 4,463 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 2,700 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 7,200 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 1,944 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 8,689 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 10,060 D Direct to buy) Incentive Stock Option (right 11/14/02 Common Stock 26,628 0 D Direct to buy) Non-Qualified Stock Option 11/14/02 Common Stock 10,872 0 D Direct (right to buy)Explanation of Responses: SIGNATURE OF REPORTING PERSON /S/ By: Jennifer M. Grigsby For: Marcus C. Rowland DATE 11/15/02