CHESAPEAKE ENERGY CORP
10-Q, 1999-08-16
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>   1
- --------------------------------------------------------------------------------

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 ---------------
                                    FORM 10-Q

[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934

                  FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1999

[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES ACT
     OF 1934

            FOR THE TRANSITION PERIOD FROM            TO
                                           ----------    -----------

                           COMMISSION FILE NO. 1-13726

                          CHESAPEAKE ENERGY CORPORATION
             (Exact name of registrant as specified in its charter)

           OKLAHOMA                                              73-1395733
(State or other jurisdiction of                               (I.R.S. Employer
 incorporation or organization)                              Identification No.)

       6100 NORTH WESTERN AVENUE
        OKLAHOMA CITY, OKLAHOMA                                    73118
(Address of principal executive offices)                         (Zip Code)

                                 (405) 848-8000
              (Registrant's telephone number, including area code)

                                 ---------------

     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.

                                YES [X]   NO [ ]

     At August 12, 1999, there were 97,117,473 shares of the registrant's $.01
par value Common Stock outstanding.

- --------------------------------------------------------------------------------


<PAGE>   2

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

             INDEX TO FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 1999


<TABLE>
<CAPTION>
PART I.   FINANCIAL INFORMATION

                                                                                                PAGE
                                                                                                ----
<S>                                                                                             <C>
          Item 1.   Consolidated Financial Statements:

                    Consolidated Balance Sheets at June 30, 1999 (Unaudited) and
                    December 31, 1998                                                             3

                    Consolidated Statements of Operations for the Three and Six Months
                    Ended June 30, 1999 and 1998 (Unaudited)                                      4

                    Consolidated Statements of Cash Flows for the Six Months Ended June
                    30, 1999 and 1998 (Unaudited)                                                 5

                    Consolidated Statements of Comprehensive Income (Loss) for the Three
                    and Six Months Ended June 30, 1999 and 1998 (Unaudited)                       6

                    Notes to Consolidated Financial Statements (Unaudited)                        7

          Item 2.   Management's Discussion and Analysis of Financial Condition and
                    Results of Operations                                                        16

          Item 3.   Quantitative and Qualitative Disclosures About Market Risks                  24


PART II.  OTHER INFORMATION

          Item 1.   Legal Proceedings                                                            26

          Item 2.   Changes in Securities and Use of Proceeds                                    27

          Item 3.   Defaults Upon Senior Securities                                              27

          Item 4.   Submission of Matters to a Vote of Security Holders                          27

          Item 5.   Other Information                                                            27

          Item 6.   Exhibits and Reports on Form 8-K                                             27
</TABLE>


                                       2
<PAGE>   3

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                           CONSOLIDATED BALANCE SHEETS


                                     ASSETS

<TABLE>
<CAPTION>
                                                                          JUNE 30,      DECEMBER 31,
                                                                            1999            1998
                                                                         -----------    ------------
                                                                         (UNAUDITED)
                                                                               ($ IN THOUSANDS)
<S>                                                                      <C>            <C>

CURRENT ASSETS:
  Cash and cash equivalents ...........................................  $    27,553    $     29,520
  Restricted cash .....................................................        1,442           5,754
  Accounts receivable:
   Oil and gas sales ..................................................       14,379          13,835
   Oil and gas marketing sales ........................................       17,474          19,636
   Joint interest and other, net of allowance for doubtful accounts
     of $3,244,000 and $3,209,000 .....................................        9,288          27,373
   Related parties ....................................................       13,501          15,455
  Inventory ...........................................................        4,877           5,325
  Other ...............................................................        2,446           1,101
                                                                         -----------    ------------
     Total current assets .............................................       90,960         117,999
                                                                         -----------    ------------

PROPERTY AND EQUIPMENT:
  Oil and gas properties, at cost based on full-cost accounting:
   Evaluated oil and gas properties ...................................    2,218,839       2,142,943
   Unevaluated properties .............................................       45,190          52,687
   Less: accumulated depreciation, depletion and amortization .........   (1,622,378)     (1,574,282)
                                                                         -----------    ------------
                                                                             641,651         621,348
  Other property and equipment ........................................       78,477          79,718
  Less: accumulated depreciation and amortization .....................      (39,399)        (37,075)
                                                                         -----------    ------------
     Total property and equipment .....................................      680,729         663,991
                                                                         -----------    ------------
OTHER ASSETS ..........................................................       29,221          30,625
                                                                         -----------    ------------
     TOTAL ASSETS .....................................................  $   800,910     $   812,615
                                                                         ===========     ===========

                             LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)

CURRENT LIABILITIES:
  Notes payable .......................................................  $        --     $    25,000
  Accounts payable ....................................................       18,649          36,854
  Accrued liabilities and other .......................................       34,189          46,572
  Revenues and royalties due others ...................................       22,490          22,858
                                                                         -----------    ------------
     Total current liabilities ........................................       75,328         131,284
                                                                         -----------    ------------
LONG-TERM DEBT, NET ...................................................      958,118         919,076
                                                                         -----------    ------------
REVENUES AND ROYALTIES DUE OTHERS .....................................       11,137          10,823
                                                                         -----------    ------------
DEFERRED INCOME TAXES .................................................        4,880              --
                                                                         -----------    ------------
STOCKHOLDERS' EQUITY (DEFICIT):
  Preferred stock, $.01 par value, 10,000,000 shares authorized;
   4,600,000 shares of 7% cumulative convertible stock issued
   and outstanding at June 30, 1999 and December 31, 1998,
   entitled in liquidation to $230 million plus earned but unpaid
   dividends of $11.2 million and $3.2 million at June 30, 1999
   and December 31, 1998, respectively ................................      230,000         230,000
  Common stock, 250,000,000 shares authorized; $.01 par value;
   105,552,613 and 105,213,750 shares issued and outstanding at
   June 30, 1999 and December 31, 1998, respectively ..................        1,055           1,052
  Paid-in capital .....................................................      682,506         682,263
  Accumulated deficit .................................................   (1,130,998)     (1,127,195)
  Accumulated other comprehensive income (loss) .......................       (1,101)         (4,726)
  Less: treasury stock, at cost; 8,503,300 common shares
   at June 30, 1999 and December 31, 1998, respectively ...............      (29,962)        (29,962)
  Less: treasury stock, at cost; 3,600 and 0 preferred shares
   at June 30, 1999 and December 31, 1998, respectively ...............          (53)             --
                                                                         -----------    ------------
     Total stockholders' equity (deficit) .............................     (248,553)       (248,568)
                                                                         -----------    ------------
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) ..................  $   800,910     $   812,615
                                                                         ===========     ===========
</TABLE>


        The accompanying notes are an integral part of these consolidated
                             financial statements.


                                       3
<PAGE>   4

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                      CONSOLIDATED STATEMENTS OF OPERATIONS
                                   (UNAUDITED)
                      (IN THOUSANDS, EXCEPT PER SHARE DATA)


<TABLE>
<CAPTION>
                                                                          THREE MONTHS ENDED        SIX MONTHS ENDED
                                                                                JUNE 30,                 JUNE 30,
                                                                         ---------------------    ---------------------
                                                                           1999        1998         1999        1998
                                                                         ---------   ---------    ---------   ---------
<S>                                                                      <C>         <C>          <C>         <C>
REVENUES:
 Oil and gas sales...................................................    $  68,272   $  75,639    $ 120,078   $ 125,880
 Oil and gas marketing sales.........................................       12,620      33,671       26,491      60,195
                                                                         ---------   ---------    ---------   ---------
     Total revenues..................................................       80,892     109,310      146,569     186,075
                                                                         ---------   ---------    ---------   ---------
OPERATING COSTS:
 Production expenses.................................................       11,183      14,673       25,175      22,567
 Production taxes....................................................        2,798       2,621        4,788       4,165
 Oil and gas marketing expenses......................................       11,673      33,705       24,958      59,966
 Impairment of oil and gas properties................................           --     216,000           --     466,000
 Impairment of other assets..........................................           --      10,000           --      10,000
 Oil and gas depreciation, depletion and amortization................       24,233      43,900       47,386      75,242
 Depreciation and amortization of other assets.......................        1,972       1,922        4,138       3,302
 General and administrative..........................................        3,268       5,134        7,292       9,514
                                                                         ---------   ---------    ---------   ---------
     Total operating costs...........................................       55,127     327,955      113,737     650,756
                                                                         ---------   ---------    ---------   ---------
INCOME (LOSS) FROM OPERATIONS........................................       25,765    (218,645)      32,832    (464,681)
OTHER INCOME (EXPENSE):
 Interest and other income...........................................        2,967       2,571        3,840       2,795
 Interest expense....................................................      (20,259)    (18,665)     (40,149)    (29,353)
                                                                         ---------   ---------    ---------   ---------
                                                                           (17,292)    (16,094)     (36,309)    (26,558)
                                                                         ---------   ---------    ---------   ---------
INCOME (LOSS) BEFORE INCOME TAX AND EXTRAORDINARY ITEM...............        8,473    (234,739)      (3,477)   (491,239)
INCOME TAX EXPENSE...................................................          326          --          326          --
                                                                         ---------   ---------    ---------   ---------
INCOME (LOSS) BEFORE EXTRAORDINARY ITEM..............................        8,147    (234,739)      (3,803)   (491,239)
EXTRAORDINARY ITEM:
 Loss on early extinguishment of debt................................           --     (13,334)          --     (13,334)
                                                                         ---------   ---------    ---------   ---------
NET INCOME (LOSS)....................................................        8,147    (248,073)      (3,803)   (504,573)

PREFERRED STOCK DIVIDENDS............................................       (4,026)     (4,025)      (8,052)     (4,025)
                                                                         ---------   ---------    ---------   ---------

NET INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS...................    $   4,121   $(252,098)   $ (11,855)  $(508,598)
                                                                         =========   =========    =========   =========

EARNINGS PER COMMON SHARE (BASIC AND ASSUMING DILUTION)
 Income (loss) before extraordinary item.............................    $    0.04   $   (2.29)   $   (0.12)  $   (5.35)
 Extraordinary item..................................................           --       (0.12)          --       (0.15)
                                                                         ---------   ---------    ---------   ---------
 Net income (loss)...................................................    $    0.04   $   (2.41)   $   (0.12)  $   (5.50)
                                                                         =========   =========    =========   =========
WEIGHTED AVERAGE COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING
 Basic ..............................................................       97,049     104,462       97,049      92,504
                                                                         =========   =========    =========   =========
 Assuming dilution...................................................      101,450     104,462       97,049      92,504
                                                                         =========   =========    =========   =========
</TABLE>


        The accompanying notes are an integral part of these consolidated
                             financial statements.


                                       4
<PAGE>   5

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                                   (UNAUDITED)


<TABLE>
<CAPTION>
                                                                                              SIX MONTHS ENDED
                                                                                                   JUNE 30,
                                                                                             1999           1998
                                                                                          ----------     ----------
                                                                                               ($ IN THOUSANDS)
<S>                                                                                       <C>            <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net loss ...........................................................................    $   (3,803)    $ (504,573)
  Adjustments to reconcile net loss to net cash provided by operating activities:
   Depreciation, depletion and amortization ..........................................        49,923         77,542
   Impairment of oil and gas assets ..................................................            --        466,000
   Impairment of other assets ........................................................            --         10,000
   Deferred taxes ....................................................................           326             --
   Amortization of loan costs ........................................................         1,601          1,002
   Amortization of bond discount .....................................................            35             56
   Gain on sale of fixed assets and other ............................................            98           (368)
   Extraordinary loss.................................................................            --         13,334
   Equity in (earnings) losses of equity investees ...................................           (35)           285
   Bad debt expense ..................................................................            --            516
                                                                                          ----------     ----------
     Cash provided by operating activities before changes
       in current assets and liabilities .............................................        48,145         63,794
   Changes in current assets and liabilities .........................................          (579)       (44,074)
                                                                                          ----------     ----------
     Cash provided by operating activities ...........................................        47,566         19,720
                                                                                          ----------     ----------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Exploration, development and acquisition of oil and gas properties .................       (85,787)      (433,379)
  Proceeds from sales of oil and gas properties ......................................        17,387             --
  Investment in preferred stock of Gothic ............................................            --        (39,500)
  Proceeds from sales of other assets ................................................         1,306          4,404
  Long-term loans made to third parties ..............................................          (511)            --
  Other investments ..................................................................           325             --
  Repayment of long-term loan ........................................................            --          2,000
  Additions to other property and equipment ..........................................           (65)        (5,183)
                                                                                          ----------     ----------
     Cash used in investing activities ...............................................       (67,345)      (471,658)
                                                                                          ----------     ----------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Proceeds from long-term borrowings .................................................        14,000        658,750
  Payments on long-term borrowings ...................................................            --       (474,166)
  Proceeds from issuance of preferred stock ..........................................            --        222,781
  Purchase of treasury stock .........................................................           (53)       (17,831)
  Cash received from exercise of stock options .......................................           240            101
                                                                                          ----------     ----------
     Cash provided by financing activities ...........................................        14,187        389,635
                                                                                          ----------     ----------
EFFECTS OF CHANGES IN EXCHANGE RATE ON CASH ..........................................         3,625         (1,867)
                                                                                          ----------     ----------
NET DECREASE IN CASH AND CASH EQUIVALENTS ............................................        (1,967)       (64,170)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD .......................................        29,520        123,860
                                                                                          ----------     ----------
CASH AND CASH EQUIVALENTS, END OF PERIOD .............................................    $   27,553     $   59,690
                                                                                          ==========     ==========
</TABLE>


        The accompanying notes are an integral part of these consolidated
                             financial statements.


                                       5
<PAGE>   6

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

             CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
                                   (UNAUDITED)


<TABLE>
<CAPTION>
                                                                                    THREE MONTHS ENDED         SIX MONTHS ENDED
                                                                                         JUNE 30,                   JUNE 30,
                                                                                  ----------------------     ----------------------
                                                                                     1999        1998          1999         1998
                                                                                  ----------   ---------     ---------    ---------
                                                                                     ($ in thousands)
<S>                                                                               <C>          <C>           <C>          <C>
Net income (loss)..............................................................   $    8,147   $(248,073)    $  (3,803)   $(504,573)
Other comprehensive income (loss) - foreign currency translation adjustments...        2,809      (2,172)        3,625       (1,867)
                                                                                  ----------   ---------     ---------    ---------
Comprehensive income (loss)....................................................   $   10,956   $(250,245)    $    (178)   $(506,440)
                                                                                  ==========   =========     =========    =========
</TABLE>


        The accompanying notes are an integral part of these consolidated
                              financial statements.


                                       6
<PAGE>   7

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)


1.   ACCOUNTING PRINCIPLES

The accompanying unaudited consolidated financial statements of Chesapeake
Energy Corporation and subsidiaries (the "Company") have been prepared in
accordance with the instructions to Form 10-Q as prescribed by the Securities
and Exchange Commission. All material adjustments (consisting solely of normal
recurring adjustments) which, in the opinion of management, are necessary for a
fair presentation of the results for the interim periods have been reflected.
The results for the three and six months ended June 30, 1999 are not necessarily
indicative of the results to be expected for the full fiscal year.

This Form 10-Q relates to the three and six months ended June 30, 1999 (the
"Current Quarter" and "Current Period", respectively) and June 30, 1998 (the
"Prior Quarter" and "Prior Period", respectively).

2.   LEGAL PROCEEDINGS

Chesapeake Securities Litigation
The Company and certain of its officers and directors are defendants in a
consolidated class action suit alleging violations of the Securities Exchange
Act of 1934. The plaintiffs, in suits first filed in August 1997, assert that
the defendants made material misrepresentations and failed to disclose material
facts about the success of the Company's exploration efforts in the Louisiana
Trend. As a result, the complaint alleges the price of the Company's common
stock was artificially inflated from January 25, 1996 until June 27, 1997, when
the Company issued a press release announcing disappointing drilling results in
the Louisiana Trend and a full-cost ceiling writedown to be reflected in its
June 30, 1997 financial statements. The plaintiffs further allege that certain
of the named individual defendants sold common stock during the class period
when they knew or should have known adverse nonpublic information. The
plaintiffs seek a determination that the suit is a proper class action and
damages in an unspecified amount, together with interest and costs of
litigation, including attorneys' fees. The Company and the individual defendants
believe that these claims are without merit, and intend to defend against them
vigorously. No estimate of loss or range of estimate of loss, if any, can be
made at this time.

Bayard Securities Litigation
A purported class action alleging violations of the Securities Act of 1933 and
the Oklahoma Securities Act was filed in February 1998 against the Company and
others on behalf of investors who purchased common stock of Bayard Drilling
Technologies, Inc. ("Bayard") in, or traceable to, its initial public offering
in November 1997. Total proceeds of the offering were $254 million, of which the
Company received net proceeds of $90 million as a selling shareholder.
Plaintiffs allege that the Company, a major customer of Bayard's drilling
services and the owner of 30.1% of Bayard's common stock outstanding prior to
the offering, was a controlling person of Bayard. Plaintiffs assert that the
Bayard prospectus contained material omissions and misstatements relating to (i)
the Company's financial "problems" and their impact on Bayard's operating
results, (ii) increased costs associated with Bayard's growth strategy, (iii)
undisclosed pending related-party transactions between Bayard and third parties
other than the Company, (iv) Bayard's planned use of offering proceeds and (v)
Bayard's capital expenditures and liquidity. The alleged defective disclosures
are claimed to have resulted in a decline in Bayard's share price following the
public offering. Plaintiffs seek a determination that the suit is a proper class
action and damages in an unspecified amount or rescission, together with
interest and costs of litigation, including attorneys' fees. The Company
believes that the claims are without merit and intends to defend against them
vigorously. No estimate of loss or range of estimate of loss, if any, can be
made at this time.

Patent Litigation
In October 1996, Union Pacific Resources Company ("UPRC") sued the Company
alleging infringement of a patent for a drillbit steering method. Other claims
asserted by UPRC have been dismissed. UPRC's infringement claims against the
Company are based on services provided to the Company by a third party vendor
controlled by former UPRC employees. UPRC is seeking damages of an unspecified
amount, including actual and enhanced damages, interest, costs and attorneys'
fees. In June 1999, the issues of the validity of the patent and the Company's
alleged


                                       7
<PAGE>   8

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)


infringement were tried to the Court. No ruling has been issued yet. If
necessary, a trial on damages will be scheduled after the ruling. No estimate of
loss or range of estimate of loss, if any, can be made at this time; however, in
reports filed in the proceeding, experts for UPRC claim that damages could be as
much as $18 million while Company experts state that the amount should not
exceed $25,000, in each case based on a reasonable royalty.

West Panhandle Litigation
The Company, Natural Gas Pipeline Company of America and MidCon Gas Services,
Inc. are defendants in 13 lawsuits filed in 1997 and 1998 by royalty owners
seeking the cancellation of oil and gas leases in the West Panhandle Field in
Texas. In April 1998, the Company acquired MC Panhandle, Inc., the owner of the
leases since January 1, 1997. Plaintiffs claim the leases terminated upon the
cessation of production for various periods between 1926 and 1997 and/or for
failure to produce in paying quantities. Plaintiffs also seek to recover
conversion damages in an amount equal to 7/8 of gross production for the period
beginning two years prior to the filing of each suit through the time of trial,
plus attorneys' fees and interest, as well as exemplary damages. Plaintiffs
assert that defendants knew the leases had terminated and therefore are bad
faith trespassers and not entitled (in the event of an adverse judgment) to
recover the value of improvements or operating costs. In the alternative,
plaintiffs seek damages for the breach of implied covenants of the leases,
i.e., for failure to protect against drainage, to maximize production, and to
reasonably develop and market. Defendants assert that any cessation of
production was excused by their timely commencement of operations to restore
production and assert affirmative defenses of limitations, waiver, estoppel,
laches and title by adverse possession under 3, 5, 10 and 25-year statutes of
adverse possession.

Four of the cases were tried to juries in May, June and July 1999, resulting in
three verdicts in favor of and one against the defendants. The juries which
found for defendants determined that the plaintiffs' termination claims were
barred by laches, adverse possession and (in two cases) revivor. The adverse
verdict found that the defendants were bad-faith trespassers and produced gas
from the leases as a result of fraud. The jury assessed $1.2 million in
exemplary damages against each of the defendants and awarded plaintiffs
attorneys' fees in the amount of $158,000. The amount of any actual damages will
be based on prior production. The parties stipulated that the value of gas
produced by defendants was $1.0 million since January 1, 1996 and $1.5 million
since January 1, 1994. The court will determine which amount of actual damages,
if either, should be awarded based on the statute of limitations and other
considerations. The Company has filed a motion for judgment notwithstanding
verdict and, if not granted, intends to appeal the decision. The other nine
cases have not been set for trial.

The Company has previously established an accrued liability that management
believes will be sufficient to cover the estimated costs of litigation for each
of the lease cancellation cases. Because of the inconsistent verdicts reached by
the juries in the four cases tried to date and because the amount of damages
sought is not specified in all of the other cases, the outcome of the remaining
trials cannot be predicted and the amount of damages that might ultimately be
awarded could differ from the estimates. Management believes, however, that the
leases are valid, there is no basis for exemplary damages and that any findings
of fraud or bad faith will be overturned on appeal. The defendants intend to
continue to vigorously defend its position.

The Company is currently involved in various other routine disputes incidental
to its business operations. While it is not possible to determine the ultimate
disposition of these matters, management, after consultation with legal counsel,
is of the opinion that the final resolution of all such currently pending or
threatened litigation is not likely to have a material adverse effect on the
consolidated financial position or results of operations of the Company.

3.   IMPAIRMENT OF OIL AND GAS PROPERTIES AND OTHER ASSETS

The Company incurred an impairment of oil and gas properties charge of $216.0
million in the Prior Quarter. This writedown was caused primarily by the effects
of accounting for the Prior Quarter acquisitions using the purchase accounting
method, as well as a significant decline in oil prices from March 31, 1998 to
June 30, 1998. The Company also recorded a $10.0 million impairment in the Prior
Quarter related to certain of its gas processing and transportation assets
located in Louisiana.


                                       8
<PAGE>   9

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)


4.   EARNINGS PER SHARE

Statement of Financial Accounting Standards No. 128, Earnings Per Share ("SFAS
128") requires presentation of "basic" and "diluted" earnings per share, as
defined, on the face of the statement of operations for all entities with
complex capital structures. SFAS 128 requires a reconciliation of the numerators
and denominators of the basic and diluted EPS computations. For the Prior
Quarter, the Current Period and the Prior Period, there was no difference
between actual weighted average shares outstanding, which are used in computing
basic EPS, and diluted weighted average shares outstanding, which are used in
computing diluted EPS. Options to purchase 13.2 million and 8.3 million shares
of common stock at a weighted average exercise price of $1.74 and $4.13 were
outstanding at June 30, 1999 and 1998, respectively, but were not included in
the computation of diluted EPS in the Prior Quarter, Current Period or Prior
Period because the effect of these outstanding options would be antidilutive. A
reconciliation for the Current Quarter is as follows (in 000's, except per share
amounts):

<TABLE>
<CAPTION>
                                                        Income            Shares          Per Share
                                                      (Numerator)      (Denominator)       Amount
                                                      -----------      -------------      ---------
<S>                                                   <C>              <C>                <C>
     FOR THE QUARTER ENDED JUNE 30, 1999:
     BASIC EPS
       Income available to common stockholders....    $     4,121             97,049      $    0.04
                                                                                          =========
     EFFECT OF DILUTIVE SECURITIES
       Employee stock options.....................             --              4,401
                                                      -----------      -------------
     DILUTED EPS
       Income available to common stockholders
          and assumed conversions.................    $     4,121            101,450      $    0.04
                                                      ===========      =============      =========
</TABLE>

5.   SUBSEQUENT EVENT

The Company has a $50 million revolving bank credit facility with a committed
borrowing base of $50 million. Subsequent to June 30, 1999, the Company entered
into an amendment to the facility to extend the maturity date from August 1999
to February 2001. The amendment also increased the interest rate and certain
fees and provided for other minor modifications. As of June 30, 1999, the
Company had borrowed $39 million under this facility, which was included in
long-term debt. Borrowings under this facility are secured by certain producing
oil and gas properties. The interest rate at June 30, 1999 was 7.75% per annum.

6.   SENIOR NOTES

10.5% Notes
The Company had outstanding at March 31, 1998, $90 million in aggregate
principal amount of 10.5% Senior Notes which were to mature June 1, 2001. The
10.5% Notes were senior, unsecured obligations of the Company and were fully and
unconditionally guaranteed, jointly and severally, by Guarantor Subsidiaries (as
defined below). All outstanding 10.5% Notes were acquired by the Company
effective April 30, 1998.

9.625% Notes
The Company has outstanding $500 million in aggregate principal amount of 9.625%
Senior Notes which mature May 1, 2005, and bear interest at the rate of 9.625%,
payable semiannually on each May 1 and November 1. The 9.625% Notes are senior,
unsecured obligations of the Company and are fully and unconditionally
guaranteed, jointly and severally, by the Guarantor Subsidiaries.

9.125% Notes
The Company has outstanding $120 million in aggregate principal amount of 9.125%
Senior Notes which mature April 15, 2006, and bear interest at an annual rate of
9.125%, payable semiannually on each April 15 and October 15. The 9.125% Notes
are senior, unsecured obligations of the Company and are fully and
unconditionally guaranteed, jointly and severally, by the Guarantor
Subsidiaries.


                                       9
<PAGE>   10

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

7.875% Notes
The Company has outstanding $150 million in aggregate principal amount of 7.875%
Senior Notes which mature March 15, 2004, and bear interest at the rate of
7.875%, payable semiannually on each March 15 and September 15. The 7.875% Notes
are senior, unsecured obligations of the Company and are fully and
unconditionally guaranteed, jointly and severally, by the Guarantor
Subsidiaries.

8.5% Notes
The Company has outstanding $150 million in aggregate principal amount of 8.5%
Senior Notes which mature March 15, 2012, and bear interest at the rate of 8.5%,
payable semiannually on each March 15 and September 15. The 8.5% Notes are
senior, unsecured obligations of the Company and are fully and unconditionally
guaranteed, jointly and severally, by the Guarantor Subsidiaries.

The Company is a holding company and owns no operating assets and has no
significant operations independent of its subsidiaries. The Company's
obligations under its Senior Notes have been fully and unconditionally
guaranteed, on a joint and several basis, by each of the Company's "Restricted
Subsidiaries" (as defined in the respective indentures governing the Senior
Notes) (collectively, the "Guarantor Subsidiaries"). Each of the Guarantor
Subsidiaries is a direct or indirect wholly-owned subsidiary of the Company.

The Senior Note indentures contain certain covenants, including covenants
limiting the Company and the Guarantor Subsidiaries with respect to asset sales,
restricted payments, the incurrence of additional indebtedness and the issuance
of preferred stock, liens, sale and leaseback transactions, lines of business,
dividend and other payment restrictions affecting Guarantor Subsidiaries,
mergers or consolidations, and transactions with affiliates. The Company is
obligated to repurchase the 9.625% and 9.125% Senior Notes in the event of a
change of control or certain asset sales.

These Senior Note indentures also limit the Company's ability to make restricted
payments (as defined in the indentures), including the payment of preferred
stock dividends, unless certain tests are met. As of December 31, 1998, March
31, 1999 and June 30, 1999, the Company was unable to meet the requirements to
incur additional unsecured indebtedness, and consequently was unable to pay the
quarterly cash dividend of $4.0 million on its 7% cumulative convertible
preferred stock on February 1, 1999, May 1, 1999 or August 1, 1999. As of June
30, 1999 the cumulative earned but unpaid dividends on the preferred stock was
$11.2 million. Subsequent payments will be subject to the same restrictions and
are dependent upon variables, most particularly oil and gas prices, that are
beyond the Company's ability to predict. This restriction does not affect the
Company's ability to borrow under or expand its secured commercial bank
facility. If the Company fails to pay dividends for six quarterly periods, the
holders of preferred stock would be entitled to elect two additional members to
the Board.

Set forth below are condensed consolidating financial statements of the
Guarantor Subsidiaries, the Company's subsidiary which is not a guarantor of the
Senior Notes (the "Non-Guarantor Subsidiary") and the Company. As of and for the
three and six months ended June 30, 1999 and 1998, Chesapeake Energy Marketing,
Inc. was the only Non-Guarantor Subsidiary. For both periods, all other
subsidiaries of the Company were Guarantor Subsidiaries. Separate financial
statements of each Guarantor Subsidiary have not been provided because
management has determined that they are not material to investors.


                                       10
<PAGE>   11
                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

                      CONDENSED CONSOLIDATING BALANCE SHEET

                               AS OF JUNE 30, 1999
                                ($ IN THOUSANDS)


<TABLE>
<CAPTION>
                                                              ASSETS

                                                 GUARANTOR     NON-GUARANTOR     COMPANY
                                               SUBSIDIARIES     SUBSIDIARY       (PARENT)     ELIMINATIONS  CONSOLIDATED
                                               ------------    -------------    -----------   ------------  ------------
<S>                                            <C>             <C>              <C>           <C>           <C>
CURRENT ASSETS:
  Cash and cash equivalents...............     $     (9,126)   $      17,591    $    20,530   $         --  $     28,995
  Accounts receivable, net................           40,910           26,442            473        (13,183)       54,642
  Inventory...............................            4,566              311             --             --         4,877
  Other...................................            2,071               16            359             --         2,446
                                               ------------    -------------    -----------   ------------  ------------
     Total Current Assets.................           38,421           44,360         21,362        (13,183)       90,960
                                               ------------    -------------    -----------   ------------  ------------
PROPERTY AND EQUIPMENT:
  Oil and gas properties..................        2,218,839               --             --             --     2,218,839
  Unevaluated leasehold...................           45,190               --             --             --        45,190
  Other property and equipment............           45,916           14,801         17,760             --        78,477
  Less: accumulated depreciation,
    depletion and amortization............       (1,651,974)          (8,183)        (1,620)            --    (1,661,777)
                                               ------------    -------------    -----------   ------------  ------------
     Total Property and Equipment.........          657,971            6,618         16,140             --       680,729
                                               ------------    -------------    -----------   ------------  ------------
INVESTMENTS IN SUBSIDIARIES AND
  INTERCOMPANY ADVANCES...................          808,285               --        493,738     (1,302,023)           --

OTHER ASSETS..............................           10,612              566         18,096            (53)       29,221
                                               ------------    -------------    -----------   ------------  ------------
     TOTAL ASSETS.........................     $  1,515,289    $      51,544    $   549,336   $ (1,315,259) $    800,910
                                               ============    =============    ===========   ============  ============

                                            LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)

CURRENT LIABILITIES:
  Notes payable and current maturities
    of long-term debt.....................     $         --    $          --    $        --   $         --  $         --
  Accounts payable and other..............           53,804           17,180         17,503        (13,159)       75,328
                                               ------------    -------------    -----------   ------------  ------------
     Total Current Liabilities............           53,804           17,180         17,503        (13,159)       75,328
                                               ------------    -------------    -----------   ------------  ------------
LONG-TERM DEBT............................           39,000               --        919,118             --       958,118
                                               ------------    -------------    -----------   ------------  ------------
REVENUES PAYABLE..........................           11,137               --             --             --        11,137
                                               ------------    -------------    -----------   ------------  ------------
DEFERRED INCOME TAXES.....................            4,880               --             --             --         4,880
                                               ------------    -------------    -----------   ------------  ------------
INTERCOMPANY PAYABLES.....................        1,372,792            1,038     (1,373,806)           (24)           --
                                               ------------    -------------    -----------   ------------  ------------
STOCKHOLDERS' EQUITY (DEFICIT):
  Preferred Stock.........................               --               --        230,000             --       230,000
  Common Stock............................               27                1          1,044            (17)        1,055
  Other...................................           33,649           33,325        755,477     (1,302,059)     (479,608)
                                               ------------    -------------    -----------   ------------  ------------
     Total Stockholders' Equity (Deficit).           33,676           33,326        986,521     (1,302,076)     (248,553)
                                               ------------    -------------    -----------   ------------  ------------
     TOTAL LIABILITIES AND
       STOCKHOLDERS' EQUITY (DEFICIT).....     $  1,515,289    $      51,544    $   549,336   $ (1,315,259) $    800,910
                                               ============    =============    ===========   ============  ============

</TABLE>


                                       11
<PAGE>   12

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

                      CONDENSED CONSOLIDATING BALANCE SHEET

                             AS OF DECEMBER 31, 1998
                                ($ IN THOUSANDS)



<TABLE>
<CAPTION>
                                                               ASSETS

                                                 GUARANTOR     NON-GUARANTOR     COMPANY
                                               SUBSIDIARIES     SUBSIDIARY       (PARENT)     ELIMINATIONS  CONSOLIDATED
                                               ------------    -------------    -----------   ------------  ------------
<S>                                            <C>             <C>              <C>           <C>           <C>
CURRENT ASSETS:
  Cash and cash equivalents...............     $    (11,565)   $       7,000    $    39,839   $         --  $     35,274
  Accounts receivable.....................           54,384           29,641            270         (7,996)       76,299
  Inventory...............................            4,919              406             --             --         5,325
  Other...................................              721               15            365             --         1,101
                                               ------------    -------------    -----------   ------------  ------------
     Total Current Assets.................           48,459           37,062         40,474         (7,996)      117,999
                                               ------------    -------------    -----------   ------------  ------------
PROPERTY AND EQUIPMENT:
  Oil and gas properties..................        2,142,943               --             --             --     2,142,943
  Unevaluated leasehold...................           52,687               --             --             --        52,687
  Other property and equipment............           47,628           15,109         16,981             --        79,718
  Less: accumulated depreciation,
    depletion and amortization............       (1,601,931)          (8,036)        (1,390)            --    (1,611,357)
                                               ------------    -------------    -----------   ------------  ------------
     Total Property & Equipment...........          641,327            7,073         15,591             --       663,991
                                               ------------    -------------    -----------   ------------  ------------
INVESTMENTS IN SUBSIDIARIES AND
  INTERCOMPANY ADVANCES...................          473,578               --        481,150       (954,728)           --
                                               ------------    -------------    -----------   ------------  ------------
OTHER ASSETS..............................           10,610              560         19,455             --        30,625
                                               ------------    -------------    -----------   ------------  ------------
     TOTAL ASSETS.........................     $  1,173,974    $      44,695    $   556,670   $   (962,724) $    812,615
                                               ============    =============    ===========   ============  ============

                                             LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)

CURRENT LIABILITIES:
  Notes payable and current maturities
    of long-term debt.....................     $     25,000    $          --    $       --    $         --  $     25,000
  Accounts payable and other..............           80,786           15,992         17,529         (8,023)      106,284
                                               ------------    -------------    -----------   ------------  ------------
     Total Current Liabilities............          105,786           15,992         17,529         (8,023)      131,284
                                               ------------    -------------    -----------   ------------  ------------
LONG-TERM DEBT............................               --               --        919,076             --       919,076
                                               ------------    -------------    -----------   ------------  ------------
REVENUES PAYABLE..........................           10,823               --             --             --        10,823
                                               ------------    -------------    -----------   ------------  ------------
INTERCOMPANY PAYABLES.....................        1,338,948           11,376     (1,350,351)            27            --
                                               ------------    -------------    -----------   ------------  ------------
STOCKHOLDERS' EQUITY (DEFICIT):
  Common Stock............................               26                1          1,042            (17)        1,052
  Other...................................         (281,609)          17,326        969,374       (954,711)     (249,620)
                                               ------------    -------------    -----------   ------------  ------------
     Total Stockholders' Equity (Deficit).         (281,583)          17,327        970,416       (954,728)     (248,568)
                                               ------------    -------------    -----------   ------------  ------------
     TOTAL LIABILITIES AND
       STOCKHOLDERS' EQUITY (DEFICIT).....     $  1,173,974    $      44,695    $   556,670   $   (962,724) $    812,615
                                               ============    =============    ===========   ============  ============
</TABLE>


                                       12
<PAGE>   13

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

                CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
                                ($ IN THOUSANDS)


<TABLE>
<CAPTION>
                                                 GUARANTOR     NON-GUARANTOR     COMPANY
                                               SUBSIDIARIES     SUBSIDIARY       (PARENT)     ELIMINATIONS    CONSOLIDATED
                                               ------------    -------------    -----------   ------------    ------------
<S>                                            <C>             <C>              <C>           <C>             <C>
FOR THE THREE MONTHS ENDED JUNE 30, 1999
REVENUES:
  Oil and gas sales.......................     $     68,869    $          --    $         --  $       (597)   $     68,272
  Oil and gas marketing sales.............               --           37,823              --       (25,203)         12,620
                                               ------------    -------------    ------------  ------------    ------------
     Total Revenues.......................           68,869           37,823              --       (25,800)         80,892
                                               ------------    -------------    ------------  ------------    ------------
OPERATING COSTS:
  Production expenses and taxes...........           13,981               --              --            --          13,981
  Oil and gas marketing expenses..........               --           37,473              --       (25,800)         11,673
  Oil and gas depreciation, depletion
    and amortization......................           24,233               --              --            --          24,233
  Other depreciation and amortization.....            1,138               20             814            --           1,972
  General and administrative..............            2,942              324               2            --           3,268
                                               ------------    -------------    ------------  ------------    ------------
     Total Operating Costs................           42,294           37,817             816       (25,800)         55,127
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) FROM OPERATIONS.............           26,575                6            (816)           --          25,765
                                               ------------    -------------    ------------  ------------    ------------
OTHER INCOME (LOSS)
  Interest and other income...............              440            2,408          29,188       (29,069)          2,967
  Interest expense........................          (29,009)              --         (20,319)       29,069         (20,259)
                                               ------------    -------------    ------------  ------------    ------------
                                                    (28,569)           2,408           8,869            --         (17,292)
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) BEFORE INCOME TAXES.........           (1,994)           2,414           8,053            --           8,473
INCOME TAX EXPENSE (BENEFIT)..............              326               --              --            --             326
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS) BEFORE
  EXTRAORDINARY ITEM......................           (2,320)           2,414           8,053            --           8,147
EXTRAORDINARY ITEM:
  Loss on early extinguishment of debt,
   net of applicable income tax...........               --               --              --            --              --
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS).........................     $     (2,320)   $       2,414    $      8,053  $         --    $      8,147
                                               ============    =============    ============  ============    ============

FOR THE THREE MONTHS ENDED JUNE 30, 1998
REVENUES:
  Oil and gas sales.......................     $     74,592    $          --    $         --  $      1,047    $     75,639
  Oil and gas marketing sales.............           11,350           49,561              --       (27,240)         33,671
                                               ------------    -------------    ------------  ------------    ------------
     Total Revenues.......................           85,942           49,561              --       (26,193)        109,310
                                               ------------    -------------    ------------  ------------    ------------
OPERATING COSTS:
  Production expenses and taxes...........           17,294               --              --            --          17,294
  Oil and gas marketing expenses..........           11,081           48,817              --       (26,193)         33,705
  Impairment of oil and gas properties....          216,000               --              --            --         216,000
  Impairment of other assets..............           10,000               --              --            --          10,000
  Oil and gas depreciation, depletion
    and amortization......................           43,900               --              --            --          43,900
  Other depreciation and amortization.....            1,198               34             690            --           1,922
  General and administrative..............            4,800              359             (25)           --           5,134
                                               ------------    -------------    ------------  ------------    ------------
     Total Operating Costs................          304,273           49,210             665       (26,193)        327,955
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) FROM OPERATIONS.............         (218,331)             351            (665)           --        (218,645)
                                               ------------    -------------    ------------  ------------    ------------
OTHER INCOME (LOSS)
  Interest and other income...............              542              129          23,948       (22,048)          2,571
  Interest expense........................          (21,876)              --         (18,837)       22,048         (18,665)
                                               ------------    -------------    ------------  ------------    ------------
                                                    (21,334)             129           5,111            --         (16,094)
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) BEFORE INCOME TAXES.........         (239,665)             480           4,446            --        (234,739)
INCOME TAX EXPENSE (BENEFIT)..............               --               --              --            --              --
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS) BEFORE
  EXTRAORDINARY ITEM......................         (239,665)             480           4,446            --        (234,739)
EXTRAORDINARY ITEM:
  Loss on early extinguishment of debt,
   net of applicable income tax...........           (2,164)              --         (11,170)           --         (13,334)
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS).........................     $   (241,829)   $         480    $     (6,724) $         --    $   (248,073)
                                               ============    =============    ============  ============    ============
</TABLE>


                                       13
<PAGE>   14

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

                CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS
                                ($ IN THOUSANDS)


<TABLE>
<CAPTION>
                                                 GUARANTOR     NON-GUARANTOR      COMPANY
                                               SUBSIDIARIES     SUBSIDIARY        (PARENT)    ELIMINATIONS    CONSOLIDATED
                                               ------------    -------------    ------------  ------------    ------------
<S>                                            <C>             <C>              <C>           <C>             <C>

FOR THE SIX MONTHS ENDED JUNE 30, 1999
REVENUES:
  Oil and gas sales ...................        $    120,078    $          --    $         --  $         --    $    120,078
  Oil and gas marketing sales .........                  --           73,258              --       (46,767)         26,491
                                               ------------    -------------    ------------  ------------    ------------
     Total Revenues ...................             120,078           73,258                       (46,767)        146,569
                                               ------------    -------------    ------------  ------------    ------------
OPERATING COSTS:
  Production expenses and taxes .......              29,963               --              --            --          29,963
  Oil and gas marketing expenses ......                  --           71,725              --       (46,767)         24,958
  Oil and gas depreciation, depletion
    and amortization ..................              47,386               --              --            --          47,386
  Other depreciation and amortization..               2,476               40           1,622            --           4,138
  General and administrative ..........               6,464              781              47            --           7,292
                                               ------------    -------------    ------------  ------------    ------------
     Total Operating Costs ............              86,289           72,546           1,669       (46,767)        113,737
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) FROM OPERATIONS .........              33,789              712          (1,669)           --          32,832
                                               ------------    -------------    ------------  ------------    ------------
OTHER INCOME (LOSS)
  Interest and other income ...........                 707            2,845          58,328       (58,040)          3,840
  Interest expense ....................             (57,415)              --         (40,774)       58,040         (40,149)
                                               ------------    -------------    ------------  ------------    ------------
                                                    (56,708)           2,845          17,554            --         (36,309)
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) BEFORE INCOME TAXES .....             (22,919)           3,557          15,885            --          (3,477)
INCOME TAX EXPENSE (BENEFIT) ..........                 326               --              --            --             326
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS) BEFORE
  EXTRAORDINARY ITEM ..................             (23,245)           3,557          15,885            --          (3,803)
EXTRAORDINARY ITEM:
  Loss on early extinguishment of debt,
   net of applicable income tax .......                  --               --              --            --              --
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS) .....................        $    (23,245)   $       3,557    $     15,885  $         --    $     (3,803)
                                               ============    =============    ============  ============    ============

FOR THE SIX MONTHS ENDED JUNE 30, 1998
REVENUES:
  Oil and gas sales ...................        $    124,207    $          --    $         --  $      1,673    $    125,880
  Oil and gas marketing sales .........              21,071           87,565              --       (48,441)         60,195
                                               ------------    -------------    ------------  ------------    ------------
     Total Revenues ...................             145,278           87,565              --       (46,768)        186,075
                                               ------------    -------------    ------------  ------------    ------------
OPERATING COSTS:
  Production expenses and taxes .......              26,732               --              --            --          26,732
  Oil and gas marketing expenses ......              20,617           86,117              --       (46,768)         59,966
  Impairment of oil and gas properties              466,000               --              --            --         466,000
  Impairment of other assets ..........              10,000               --              --            --          10,000
  Oil and gas depreciation, depletion
    and amortization ..................              75,242               --              --            --          75,242
  Other depreciation and amortization..               2,061               54           1,187            --           3,302
  General and administrative ..........               8,874              633               7            --           9,514
                                               ------------    -------------    ------------  ------------    ------------
     Total Operating Costs ............             609,526           86,804           1,194       (46,768)        650,756
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) FROM OPERATIONS .........            (464,248)             761          (1,194)           --        (464,681)
                                               ------------    -------------    ------------  ------------    ------------
OTHER INCOME (LOSS)
  Interest and other income ...........                 566              219          43,983       (41,973)          2,795
  Interest expense ....................             (41,099)              --         (30,227)       41,973         (29,353)
                                               ------------    -------------    ------------  ------------    ------------
                                                    (40,533)             219          13,756            --         (26,558)
                                               ------------    -------------    ------------  ------------    ------------
INCOME (LOSS) BEFORE INCOME TAXES .....            (504,781)             980          12,562            --        (491,239)
INCOME TAX EXPENSE (BENEFIT) ..........                  --               --              --            --              --
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS) BEFORE
  EXTRAORDINARY ITEM ..................            (504,781)             980          12,562            --        (491,239)
EXTRAORDINARY ITEM:
  Loss on early extinguishment of debt,
   net of applicable income tax .......              (2,164)              --         (11,170)           --         (13,334)
                                               ------------    -------------    ------------  ------------    ------------
NET INCOME (LOSS) .....................        $   (506,945)   $         980    $      1,392  $         --    $   (504,573)
                                               ============    =============    ============  ============    ============
</TABLE>


                                       14
<PAGE>   15

                 CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

                CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
                                ($ IN THOUSANDS)


<TABLE>
<CAPTION>
                                                 GUARANTOR     NON-GUARANTOR      COMPANY
                                               SUBSIDIARIES     SUBSIDIARY        (PARENT)    ELIMINATIONS    CONSOLIDATED
                                               ------------    -------------    ------------  ------------    ------------
<S>                                            <C>             <C>              <C>           <C>             <C>

FOR THE SIX MONTHS ENDED JUNE 30, 1999
CASH FLOWS FROM OPERATING ACTIVITIES......     $     22,128    $       8,119    $     17,319  $         --    $     47,566
                                               ------------    -------------    ------------  ------------    ------------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Oil and gas properties .................          (85,787)              --              --            --         (85,787)
  Proceeds from sale of oil and gas
  properties .............................           17,387               --              --            --          17,387
  Proceeds from sale of other assets .....            1,306               --              --            --           1,306
  Other additions ........................              427              308            (986)           --            (251)
                                               ------------    -------------    ------------  ------------    ------------
                                                    (66,667)             308            (986)           --         (67,345)
                                               ------------    -------------    ------------  ------------    ------------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Proceeds from borrowings ...............           14,000               --              --            --          14,000
  Cash paid for purchase of treasury stock               --              (53)             --            --             (53)
  Cash received from exercise of stock
  options ................................               --               --             240            --             240
  Intercompany advances, net .............           33,665            2,217         (35,882)           --              --
                                               ------------    -------------    ------------  ------------    ------------
                                                     47,665            2,164         (35,642)           --          14,187
                                               ------------    -------------    ------------  ------------    ------------
EFFECT OF EXCHANGE RATE CHANGES
  ON CASH ................................            3,625               --              --            --           3,625
                                               ------------    -------------    ------------  ------------    ------------
  Net increase (decrease) in cash ........            6,751           10,591         (19,309)           --          (1,967)
  Cash, beginning of period ..............          (17,319)           7,000          39,839            --          29,520
                                               ------------    -------------    ------------  ------------    ------------
  Cash, end of period ....................     $    (10,568)   $      17,591    $     20,530  $         --    $     27,553
                                               ============    =============    ============  ============    ============

FOR THE SIX MONTHS ENDED JUNE 30, 1998
CASH FLOWS FROM OPERATING ACTIVITIES: ....     $       (609)   $        (476)   $     20,805  $         --    $     19,720
                                               ------------    -------------    ------------  ------------    ------------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Oil and gas properties .................         (472,879)              --              --            --        (472,879)
  Proceeds from sale of assets ...........              804               --           3,600            --           4,404
  Repayment of long-term loans ...........            2,000               --              --            --           2,000
  Other additions ........................           (3,448)            (258)         (1,477)           --          (5,183)
                                               ------------    -------------    ------------  ------------    ------------
                                                   (473,523)            (258)          2,123            --        (471,658)
                                               ------------    -------------    ------------  ------------    ------------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Proceeds from borrowings ...............               --               --         658,750            --         658,750
  Payments on borrowings .................               --               --        (474,166)           --        (474,166)
  Cash received from issuance of preferred
  stock ..................................               --               --         222,781            --         222,781
  Cash paid for purchase of treasury stock               --               --         (17,831)           --         (17,831)
  Cash received from exercise of stock
  options ................................               --               --             101            --             101
  Intercompany advances, net .............          465,229           (2,545)       (462,684)           --              --
                                               ------------    -------------    ------------  ------------    ------------
                                                    465,229           (2,545)        (73,049)           --         389,635
                                               ------------    -------------    ------------  ------------    ------------
EFFECT OF EXCHANGE RATE CHANGES
  ON CASH ................................           (1,867)              --              --            --          (1,867)
                                               ------------    -------------    ------------  ------------    ------------
  Net increase (decrease) in cash ........          (10,770)          (3,279)        (50,121)           --         (64,170)
  Cash, beginning of period ..............             (284)          13,694         110,450            --         123,860
                                               ------------    -------------    ------------  ------------    ------------
  Cash, end of period ....................     $    (11,054)   $      10,415    $     60,329  $         --    $     59,690
                                               ============    =============    ============  ============    ============
</TABLE>


                                       15
<PAGE>   16
                          PART I. FINANCIAL INFORMATION

ITEM 2.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
          RESULTS OF OPERATIONS

RESULTS OF OPERATIONS

Three Months Ended June 30, 1999 vs. June 30, 1998

General. For the three months ended June 30, 1999 (the "Current Quarter"), the
Company had net income of $8.1 million, or $0.04 per common share after
deducting preferred dividends of $4.0 million. This compares to a net loss of
$248.1 million, or a loss of $2.41 per common share after deducting preferred
dividends of $4.0 million, in the three months ended June 30, 1998 (the "Prior
Quarter"). The loss in the Prior Quarter resulted from a $216.0 million asset
writedown recorded under the full-cost method of accounting, a $10.0 million
impairment related to certain of the Company's gas processing and transportation
assets located in Louisiana, a $13.3 million extraordinary loss on the early
extinguishment of debt, and an $8.7 million loss from recurring operations. The
asset writedown was caused by acquisitions completed by the Company in April
1998 for consideration in excess of the present value (10% discount) of the
future net revenues of the proved reserves acquired as of June 30, 1998, as well
as the evaluation of certain leasehold, seismic and other exploration-related
costs that were previously unevaluated, and by decreases in oil prices from
March 31, 1998 to June 30, 1998. See " - Impairment of Oil and Gas Properties".

Oil and Gas Sales. During the Current Quarter, oil and gas sales decreased to
$68.3 million from $75.6 million, a decrease of $7.3 million, or 10%. This
decrease resulted from lower oil and gas production volumes, which decreased
from 37.2 billion cubic feet equivalent of natural gas ("bcfe") in the Prior
Quarter to 33.6 bcfe in the Current Quarter, a decrease of 3.6 bcfe, or 10%. The
decrease in production volumes were primarily the result of the asset
divestitures completed during the last quarter of 1998 and first half of 1999.
For the Current Quarter, the Company produced 1.1 million barrels of oil
("mmbo") and 27.0 billion cubic feet of natural gas ("bcf"), compared to 1.8
mmbo and 26.3 bcf in the Prior Quarter. Average oil prices realized were $16.01
per barrel of oil in the Current Quarter compared to $12.85 per barrel in the
Prior Quarter, an increase of 25%. Average gas prices realized were $1.88 per
thousand cubic feet ("mcf") in the Current Quarter compared to $1.99 per mcf in
the Prior Quarter, a decrease of 6%.

For the Current Quarter, the Company realized an average price of $2.03 per
thousand cubic feet equivalent of natural gas ("mcfe"), compared to $2.03 per
mcfe in the Prior Quarter. The Company's hedging activities resulted in
increased oil and gas revenues of $2.9 million, or $0.09 per mcfe, in the
Current Quarter, compared to increases in oil and gas revenues of $2.2 million
in the Prior Quarter.

The following table shows the Company's production by region for the Current
Quarter and the Prior Quarter:

<TABLE>
<CAPTION>
                                               FOR THE THREE MONTHS ENDED JUNE 30,
                                         ------------------------------------------------
                                                1999                         1998
                                         --------------------        --------------------
       OPERATING AREAS                    MMCFE       PERCENT         MMCFE       PERCENT
     ---------------------               -------      -------        -------      -------
<S>                                      <C>          <C>            <C>          <C>
     Mid-Continent.................       18,960           57%        19,514           53%
     Gulf Coast....................       10,811           32         14,265           38
     Canada........................        3,134            9          2,414            6
     Other areas...................          661            2          1,038            3
                                         -------      -------        -------      -------
          Total....................       33,566          100%        37,231          100%
                                         =======      =======        =======      =======
</TABLE>


Natural gas production represented approximately 80% of the Company's total
production volume on a gas equivalent basis in the Current Quarter, compared to
71% in the Prior Quarter. The Company anticipates natural gas will represent
approximately 80% of anticipated 1999 production. As of June 30, 1999 natural
gas represented approximately 87% of the Company's proved reserves.

Oil and Gas Marketing Sales. The Company realized $12.6 million in oil and gas
marketing sales to third parties in the Current Quarter, with corresponding oil
and gas marketing expenses of $11.7 million. This compares to sales of


                                       16
<PAGE>   17

$33.7 million and expenses of $33.7 million in the Prior Quarter. The decrease
in marketing sales and cost of sales was due primarily to lower third party
sales in the Current Quarter as compared to the Prior Quarter. The increase in
gross margin between periods was due primarily to the improved operating results
from certain gas gathering, transportation and marketing assets.

Production Expenses and Taxes. Production expenses decreased to $11.2 million in
the Current Quarter, a $3.5 million decrease from $14.7 million incurred in the
Prior Quarter. The decrease was due primarily to the Company's divestiture of
higher cost oil and gas properties and the closing of various field offices. On
a production unit basis, production expenses were $0.33 and $0.39 per mcfe in
the Current and Prior Quarters, respectively. The Company anticipates production
expenses will average $0.35 to $0.40 per mcfe for 1999.

Production taxes, which consist primarily of wellhead severance taxes, were $2.8
million and $2.6 million in the Current and Prior Quarters, respectively. On a
per unit basis, production taxes were $0.08 per mcfe in the Current Quarter
compared to $0.07 per mcfe in the Prior Quarter.

Impairment of Oil and Gas Properties. The Company utilizes the full-cost method
to account for its investment in oil and gas properties. Under this method, all
costs of acquisition, exploration and development of oil and gas reserves
(including such costs as leasehold acquisition costs, geological and geophysical
expenditures, certain capitalized internal costs, dry hole costs and tangible
and intangible development costs) are capitalized as incurred. These oil and gas
property costs, including the estimated future capital expenditures to develop
proved undeveloped reserves, are depleted and charged to operations using the
unit-of-production method based on the ratio of current production to proved oil
and gas reserves as estimated by the Company's independent engineering
consultants and in-house engineers. Costs directly associated with the
acquisition and evaluation of unproved properties are excluded from the
amortization computation until it is determined whether or not proved reserves
can be assigned to the property or whether impairment has occurred. The excess
of capitalized costs of oil and gas properties, net of accumulated depreciation,
depletion and amortization and related deferred income taxes, over the
discounted future net revenues (at 10%) of proved oil and gas properties is
charged to operations.

The Company incurred an impairment of oil and gas properties charge of $216
million in the Prior Quarter, compared to no impairment charge in the Current
Quarter. The writedown in the Prior Quarter was caused by a combination of
several factors, including the acquisitions completed by the Company in April
1998. The most significant factor was the completion of the acquisition of DLB
Oil & Gas, Inc. ("DLB"), which was accounted for using the purchase method. The
purchase price, which was established in February 1998 when the terms of the
acquisition were amended (based upon a Chesapeake common stock price of $6 per
share), was allocated primarily to DLB's evaluated oil and gas properties. Based
upon reserve estimates as of June 30, 1998, the portion of the purchase price
which was allocated to evaluated oil and gas properties exceeded the associated
discounted future net revenues from DLB's estimated proved reserves by
approximately $70 million. In total, approximately $116 million of the writedown
was related to acquisitions completed during the Prior Quarter. The evaluation
of certain leasehold, seismic and other exploration-related costs that were
previously unevaluated, together with decreases in oil prices at June 30, 1998,
were the remaining contributing factors which led to the writedown in the Prior
Quarter.

Impairment of Other Assets. In the Prior Quarter, the Company incurred an
impairment charge of $10 million related to certain of the Company's gas
processing and transportation assets located in Louisiana. No such charge was
recorded in the Current Quarter.

Oil and Gas Depreciation, Depletion and Amortization. Depreciation, depletion
and amortization of oil and gas properties ("DD&A") for the Current Quarter was
$24.2 million, compared to $43.9 million in the Prior Quarter. This decrease was
caused by a decrease in the DD&A rate per mcfe from $1.18 to $0.72 in the Prior
and Current Quarters, respectively. The decrease in the DD&A rate per mcfe is
due primarily to the impairment of oil and gas properties recorded during 1998.

Depreciation and Amortization of Other Assets. Depreciation and amortization of
other assets ("D&A") increased to $2.0 million in the Current Quarter compared
to $1.9 million in the Prior Quarter. The Company anticipates D&A expense
throughout the remainder of 1999 to remain at approximately the same level.


                                       17
<PAGE>   18

General and Administrative. General and administrative expenses ("G&A"), which
are net of capitalized internal payroll and non-payroll expenses, were $3.3
million in the Current Quarter compared to $5.1 million in the Prior Quarter.
This decrease was primarily caused by various measures designed to lower
corporate overhead, including staff reductions and office closings which
occurred subsequent to June 30, 1998. The Company capitalized $0.8 million of
internal costs in the Current Quarter directly related to the Company's oil and
gas exploration and development efforts, compared to $1.1 million in the Prior
Quarter. The Company anticipates that G&A costs for the remainder of 1999 will
remain at generally the same level as in the Current Quarter.

Interest and Other Income. Interest and other income for the Current Quarter was
$3.0 million compared to $2.6 million in the Prior Quarter.

Interest. Interest expense increased to $20.3 million in the Current Quarter
from $18.7 million in the Prior Quarter. This increase was a result of lower
capitalized interest in the Current Quarter, higher levels of indebtedness and a
full quarter of interest on the 9.625% Senior Notes which were issued on April
22, 1998. The Company capitalized $1.0 million of interest during the Current
Quarter compared to $1.6 million capitalized in the Prior Quarter. The Company
anticipates that interest expense will remain at generally the same level as in
the Current Quarter.

Provision for Income Taxes. The Company recorded $0.3 million of income tax
expense for the Current Quarter, compared to none in the Prior Quarter. The
income tax expense in the Current Quarter is entirely related to the Company's
operations in Canada. At June 30, 1999, the Company had a net operating loss
carryforward of approximately $650 million for regular U.S. federal income taxes
which will expire in future years beginning in 2007. Management believes that it
cannot be demonstrated at this time that it is more likely than not that its
domestic deferred income tax assets, comprised primarily of the net operating
loss carryforward generated in the United States, will be realizable in future
years, and therefore a valuation allowance of $455 million has been recorded.

Six Months Ended June 30, 1999 vs. June 30, 1998

General. For the six months ended June 30, 1999 (the "Current Period"), the
Company realized a net loss of $3.8 million, or a net loss of $0.12 per common
share after deducting preferred dividends of $8.1 million. This compares to a
net loss of $504.6 million, or a net loss of $5.50 per common share after
deducting preferred dividends of $4.0 million, in the six months ended June 30,
1998 (the "Prior Period"). The loss in the Prior Period was primarily caused by
a $466.0 million asset writedown recorded under the full-cost method of
accounting, a $10.0 million impairment related to certain of the Company's gas
processing and transportation assets located in Louisiana, a $13.3 million
extraordinary loss on the early extinguishment of debt, and a $15.2 million loss
from recurring operations. The asset writedown was partially caused by the
acquisitions completed during the Prior Period for consideration in excess of
the present value (10% discount) of the future net revenues of the proved
reserves acquired as of June 30, 1998. See "- Impairment of Oil and Gas
Properties".

Oil and Gas Sales. During the Current Period, oil and gas sales decreased to
$120.1 million from $125.9 million, a decrease of $5.8 million, or 5%. This
decrease resulted from lower oil and gas prices between periods, partially
offset by higher oil and gas production volumes, which increased from 60.2 bcfe
in the Prior Period to 66.9 bcfe in the Current Period, an increase of 6.7 bcfe,
or 11%. For the Current Period, the Company produced 2.4 mmbo and 52.7 bcf,
compared to 3.0 mmbo and 42.2 bcf in the Prior Period. Average oil prices
realized were $13.27 per barrel in the Current Period compared to $13.63 per
barrel in the Prior Period, a decrease of 3%. Average gas prices realized were
$1.68 per mcf in the Current Period compared to $2.01 per mcf in the Prior
Period, a decrease of 16%.

For the Current Period, the Company realized an average price of $1.80 per mcfe,
compared to $2.09 per mcfe in the Prior Period. The Company's hedging activities
resulted in increased oil and gas revenues of $3.9 million, or $0.06 per mcfe,
in the Current Period, compared to increases in oil and gas revenues of $4.0
million in the Prior Period.


                                       18
<PAGE>   19

The following table shows the Company's production by region for the Current
Period and the Prior Period:

<TABLE>
<CAPTION>
                                                 FOR THE SIX MONTHS ENDED JUNE 30,
                                         ------------------------------------------------
                                                1999                         1998
                                         --------------------        --------------------
       OPERATING AREAS                    MMCFE       PERCENT         MMCFE       PERCENT
     ---------------------               -------      -------        -------      -------
<S>                                      <C>          <C>            <C>          <C>
     Mid-Continent.................       35,969           54%        27,896           47%
     Gulf Coast....................       21,525           32         27,135           45
     Canada........................        5,564            8          3,144            5
     Other areas...................        3,820            6          2,019            3
                                         -------      -------        -------      -------
          Total....................       66,878          100%        60,194          100%
                                         =======      =======        =======      =======
</TABLE>


Natural gas production represented approximately 79% of the Company's total
production volume on an equivalent basis in the Current Period, compared to 70%
in the Prior Period.

Oil and Gas Marketing Sales. The Company realized $26.5 million in oil and gas
marketing sales to third parties in the Current Period, with corresponding oil
and gas marketing expenses of $25.0 million. This compares to sales of $60.2
million and expenses of $60.0 million in the Prior Period.

Production Expenses and Taxes. Production expenses increased to $25.2 million in
the Current Period, a $2.6 million increase from $22.6 million incurred in the
Prior Period. On a production unit basis, production expenses were $0.38 and
$0.37 per mcfe in the Current and Prior Periods, respectively.

Production taxes, which consist primarily of wellhead severance taxes, were $4.8
million and $4.2 million in the Current and Prior Periods, respectively. This
increase was primarily the result of increased natural gas production. On a per
unit basis, production taxes were $0.07 per mcfe in the Current Period compared
to $0.07 per mcfe in the Prior Period.

Impairment of Oil and Gas Properties. The Company utilizes the full-cost method
to account for its investment in oil and gas properties. Under this method, all
costs of acquisition, exploration and development of oil and gas reserves
(including such costs as leasehold acquisition costs, geological and geophysical
expenditures, certain capitalized internal costs, dry hole costs and tangible
and intangible development costs) are capitalized as incurred. These oil and gas
property costs, including the estimated future capital expenditures to develop
proved undeveloped reserves, are depleted and charged to operations using the
unit-of-production method based on the ratio of current production to proved oil
and gas reserves as estimated by the Company's independent engineering
consultants and in-house engineers. Costs directly associated with the
acquisition and evaluation of unproved properties are excluded from the
amortization computation until it is determined whether or not proved reserves
can be assigned to the property or whether impairment has occurred. The excess
of capitalized costs of oil and gas properties, net of accumulated depreciation,
depletion and amortization and related deferred income taxes, over the
discounted future net revenues of proved oil and gas properties is charged to
operations.

The Company incurred an impairment of oil and gas properties charge of $466.0
million in the Prior Period, compared to no impairment charge in the Current
Period. The writedown in the Prior Period was caused by a combination of several
factors, including the acquisitions completed by the Company during the Prior
Period, which were accounted for using the purchase method. The most significant
factors were the acquisitions of Hugoton Energy Corporation ("Hugoton") and DLB.
Higher drilling and completion costs, the evaluation of certain leasehold,
seismic and other exploration-related costs that were previously unevaluated,
together with decreases in oil and gas prices from December 31, 1997 to June 30,
1998 were the remaining contributing factors which led to the writedown in the
Prior Period.

Impairment of Other Assets. In the Prior Period, the Company incurred an
impairment charge of $10.0 million related to certain of the Company's gas
processing and transportation assets located in Louisiana. No such charge was
recorded in the Current Period.

Oil and Gas Depreciation, Depletion and Amortization. DD&A for the Current
Period was $47.4 million, compared to $75.2 million in the Prior Period. This
decrease was caused by a decrease in the DD&A rate per mcfe from $1.25


                                       19
<PAGE>   20

to $0.71 in the Prior and Current Periods, respectively. The decrease in the
DD&A rate per mcfe is due primarily to the impairment of oil and gas properties
recorded during 1998.

Depreciation and Amortization of Other Assets. D&A increased to $4.1 million in
the Current Period compared to $3.3 million in the Prior Period. This increase
in D&A was caused by a full six months of amortization of debt issuance costs
related to the issuance of Senior Notes in April 1998.

General and Administrative. G&A, which is net of capitalized internal payroll
and non-payroll expenses, was $7.3 million in the Current Period compared to
$9.5 million in the Prior Period. This decrease was primarily caused by various
measures designed to lower corporate overhead, including staff reductions and
office closings which occurred subsequent to June 30, 1998. The Company
capitalized $2.0 million of internal costs in the Current Period directly
related to the Company's oil and gas exploration and development efforts,
compared to $3.2 million in the Prior Period.

Interest and Other Income. Interest and other income for the Current Period was
$3.8 million compared to $2.8 million in the Prior Period. This increase is due
primarily to a $1.5 million gain on the sale of certain marketing assets located
in the Mid-Continent in the Current Period.

Interest. Interest expense increased to $40.1 million in the Current Period from
$29.4 million in the Prior Period. This increase was a result of the issuance of
the 9.625% Senior Notes in April 1998 as well as lower capitalized interest in
the Current Period. The Company capitalized $2.2 million of interest during the
Current Period compared to $3.8 million capitalized in the Prior Period.

Provision for Income Taxes. The Company recorded income tax expense of $0.3
million for the Current Period, compared to none in the Prior Period. The income
tax expense in the Current Period is entirely related to the Company's
operations in Canada. Management believes that it cannot be demonstrated that it
is more likely than not that its domestic deferred income tax assets will be
realizable in future years, and therefore a valuation allowance of $455.0
million has been recorded. Consequently, there was no income tax expense or
benefit related to the Company's domestic operations during the Current and
Prior Periods.

RISK MANAGEMENT ACTIVITIES

See Item 3 - "Quantitative and Qualitative Disclosures About Market Risks".

LIQUIDITY AND CAPITAL RESOURCES

As of June 30, 1999, the Company had working capital of approximately $16
million. The Company has a $50 million revolving bank credit facility with a
committed borrowing base of $50 million. Subsequent to June 30, 1999, the
Company entered into an amendment to the facility to extend the maturity date
from August 1999 to February 2001. The amendment also increased the interest
rate and certain fees, and provided for other modifications. As of June 30,
1999, the Company had borrowed $39 million under this facility, which was
included in long-term debt. Borrowings under the facility are secured by certain
producing oil and gas properties. The interest rate at June 30, 1999 was 7.75%
per annum.

Two of the Company's Senior Note indentures contain financial covenants which
restrict the ability of the Company and its restricted subsidiaries to incur
additional indebtedness and to make restricted payments, such as paying cash
dividends and repurchasing Company stock. These restrictions do not affect the
Company's ability to borrow under or expand its secured commercial bank
facility. The Company estimates that it could have incurred up to $111 million
of secured commercial bank indebtedness as of June 30, 1999 under the most
restrictive of its indenture debt incurrence tests.

As of December 31, 1998, March 31, 1999, and June 30, 1999 the Company was
unable to meet the restricted payment test under these indentures, including the
requirement that the Company be able to incur additional unsecured indebtedness.
As a result, the Company was not able to pay cash dividends on its 7% cumulative
convertible preferred stock on February 1, 1999, May 1, 1999, or August 1, 1999.
As of June 30, 1999, the


                                       20
<PAGE>   21

cumulative earned but unpaid dividends on the preferred stock was $11.2 million.
Subsequent dividend payments will be subject to the same restrictions and are
dependent upon variables that are beyond the Company's ability to predict. If
the Company fails to pay dividends for six quarterly periods, the holders of
preferred stock would be entitled to elect two additional members to the board.

None of the senior note indenture covenants apply to Chesapeake Energy
Marketing, Inc. ("CEMI"), an unrestricted subsidiary of the Company. The
Company's Board of Directors has authorized CEMI to purchase up to $10 million
of the Company's senior notes and preferred stock in open market transactions or
otherwise. In April 1999, CEMI purchased 3,600 shares of preferred stock for an
aggregate purchase price of $53,000, or $14.63 per share, in an open market
transaction. On April 22, 1999, CEMI commenced an offer to purchase up to
666,667 shares of preferred stock at $15.00 per share ($10 million in the
aggregate, plus fees and expenses). The offer expired May 20, 1999 and no shares
of preferred stock were acquired pursuant to the offer to purchase.

Debt ratings for the senior notes are B3 by Moody's Investors Service and B by
Standard & Poor's Corporation as of August 12, 1999, and both rating agencies
have had the Company on review with negative implications since December 1998.
There are no scheduled principal payments required on any of the Company's
senior notes until March 2004, when $150.0 million is due.

The Company believes it has adequate resources, including cash on hand, budgeted
cash flow from operations and proceeds from miscellaneous asset sales, to fund
its exploration and development capital expenditure budget for 1999, which is
currently estimated to be approximately $120 million. The Company anticipates
proceeds from miscellaneous asset sales will be approximately $50 million during
1999. However, lower oil and gas prices or unfavorable drilling results could
cause the Company to alter its drilling program, or the amount of anticipated
property acquisitions and/or asset sales.

The Company's cash provided by operating activities before changes in current
assets and liabilities decreased 25% to $48.1 million during the Current Period
compared to $63.8 million during the Prior Period. The decrease was due
primarily to reduced operating income as a result of a decrease in gas prices
between periods.

Cash used in investing activities decreased to $67.4 million during the Current
Period from $471.7 million in the Prior Period. The Company completed several
acquisitions requiring cash in the Prior Period which totaled $345.0 million,
compared to $6.4 million in the Current Period, and significantly decreased its
drilling activity and leasehold acquisitions in the Current Period compared to
the Prior Period. During the Current Period, the Company expended approximately
$68.3 million to initiate drilling on 80 gross (48.9 net) wells and invested
approximately $11.1 million in leasehold acquisitions. This compares to $112.0
million to initiate drilling on 91 gross (82.0 net) wells and $8.4 million to
purchase leasehold in the Prior Period.

Cash provided by financing activities was $14.2 million in the Current Period,
compared to $389.6 million in the Prior Period. During the Current Period, the
Company expanded its borrowings under its commercial bank facility by $14.0
million. During the Prior Period, the Company retired $465.0 million in debt
consisting of $85.0 million in debt assumed at the completion of the DLB
acquisition, $120.0 million in debt assumed at the completion of the Hugoton
acquisition, $90.0 million in senior notes, and $170.0 million in borrowings
made under its commercial bank credit facilities. Also during the Prior Period,
the Company issued $500.0 million in senior notes and $230.0 million in
preferred stock.

YEAR 2000

Project. The Company has placed a high priority on proactively resolving
computer or embedded chip problems related to the "Year 2000" problem which may
have adverse material effects on its continuing operations or cash flow. These
problems would be caused by the inability of a component (software, hardware or
equipment with embedded microprocessors) to correctly process date data in and
between the 20th and 21st centuries and therefore fail to properly perform its
intended functions, and/or to exchange correct date data with other components.
This problem would most typically be caused by erroneous date calculations,
which results from using two digits to signify a year (century implied),
handling leap years incorrectly or the use of "special" values that can be
confused with legitimate calendar dates. The scope of the Year 2000 project
includes conducting an inventory of the


                                       21
<PAGE>   22

Company's software, hardware and "embedded systems" equipment, assessing
potential for failure and the associated risk, prioritizing the need for
remedial actions, identifying an appropriate action, then implementing and
testing. In addition, the Company will take a similar approach to mitigating
risks associated with the Year 2000 readiness of material business partners
(vendors, suppliers, customers, etc.). The project will also identify
contingency plans to cope with unexpected events resulting from Year 2000
issues.

Beginning in mid-1997, the Company began an assessment of its core financial and
operational software systems. Three critical systems were identified with date
sensitivities: oil and gas financial accounting, production accounting, and
land/lease administration. A Year 2000 compliant release of the oil and gas
financial accounting package used by the Company is available and has been
scheduled for implementation during the third quarter of 1999. The Year 2000
ready version of the production accounting system was successfully implemented
during June 1999. The timing of remaining upgrades has been scheduled to be
concurrent with the respective vendors' support requirements and to take
advantage of additional features or performance enhancements. A project has been
underway since early 1997 to implement a completely revamped version of the
land/lease administration package in use at the Company to provide significantly
increased functionality and reliability. The terms of this development
arrangement stipulated Year 2000 compliance. Preliminary versions of the system
have been installed and are being tested. As part of the testing, Year 2000
compliance will be assured. Final conversion of all users to the new release is
scheduled to be complete in late October 1999.

All hardware has been verified Year 2000 ready with the exception of a few items
that support various legacy functions. These functions are scheduled to be
retired before year-end and the associated hardware will also be retired.

Other activities either already underway or scheduled, include assessment of
material business partners, and inventory of embedded systems in field
locations. The following table summarizes the current overall status of the
project with anticipated completion dates:

<TABLE>
<CAPTION>
                                                                        PHASE
                                               ------------------------------------------------------
                                                                     ASSESSMENT/        REMEDIATION/
              COMPONENT                         INVENTORY          PRIORITIZATION       CONTINGENCY
     ---------------------------------         -----------         --------------      --------------
<S>                                            <C>                 <C>                 <C>
     Software                                   Completed            Completed          November 1999
     Hardware                                   Completed            Completed           Completed
     Business partners                          Completed           August 1999          August 1999
     Embedded systems (non-IT systems)         August 1999          August 1999        September 1999
</TABLE>

The following schedule changes were made in the Current Quarter:

    o     Changes in the Software Remediation schedule were due to delays in the
          delivery of vendor products. Contingency plans to guard against
          further delays have been put in place.

    o     Business Partner assessment was deferred pending availability of
          critical personnel. Personnel have now been assigned and priority
          adjusted to recover the original schedule.

In addition to the above, during the third quarter of 1999 the Company will
develop an overall contingency plan to assure continued operations which will
include precautionary measures. Specific elements of this plan have been
identified and developed.


                                       22
<PAGE>   23

Cost. To date, the Company has incurred minimal consulting costs for Year 2000
project planning and scope definition. Expenses to date have totaled $65,000,
composed of $39,000 software and $26,000 consulting. For currently identified
software systems requiring a Year 2000 upgrade, the vendor is providing that
upgrade under the terms of existing maintenance agreements, and thus no
additional license or upgrade fees are required. In all cases these upgrades had
been previously scheduled to maintain desired vendor support. No upgrade project
schedule has been accelerated to achieve Year 2000 compliance, nor has any
project been deferred because of Year 2000 concerns or efforts. An accurate cost
cannot be determined prior to conclusion of the Assessment/Prioritization phase,
but it is expected total project expenditures, including the use of outside
consultants, should not exceed $1 million. This does not include any costs which
may be assessed by joint venture partners on properties not operated by the
Company.

Risks/Contingency. The failure to remediate critical systems (software, hardware
or embedded systems), or the failure of a material business partner to resolve
critical Year 2000 issues could have serious adverse impact on the ability of
the Company to continue operations and meet obligations. At the current time, it
is believed that any interruption in operation will be minor and short-lived and
will pose no safety or environmental risks. However, until all assessment phases
have been completed it is impossible to accurately identify the risks, quantify
potential impacts or establish a contingency plan. The Company has not yet
clearly identified the most reasonably likely worst case scenario if the Company
and material business partners do not achieve Year 2000 compliance on a timely
basis. The Company currently intends to complete its contingency planning by
November 30, 1999 with testing and training to take place early in the fourth
quarter.

RECENTLY ISSUED ACCOUNTING STANDARDS

On June 15, 1998, the Financial Accounting Standards Board issued FAS No. 133,
Accounting for Derivative Instruments and Hedging Activities ("FAS 133"). FAS
133 establishes a new model for accounting for derivatives and hedging
activities and supersedes and amends a number of existing standards. FAS 133
(as amended by FAS 137) is effective for all fiscal quarters of fiscal years
beginning after June 15, 2000.

FAS 133 standardizes the accounting for derivative instruments by requiring that
all derivatives be recognized as assets and liabilities and measured at fair
value. The accounting for changes in the fair value of derivatives (gains and
losses) depends on whether the derivative is designated and qualifies as a
hedge, and the type of hedging relationship that exists. Changes in the fair
value of derivatives that are not designated as hedges or that do not meet the
hedge accounting criteria in FAS 133 are required to be reported in earnings. In
addition, all hedging relationships must be designated, reassessed and
documented pursuant to the provisions of FAS 133. The Company has not yet
determined the impact that adoption of FAS 133 will have on the financial
statements.

FORWARD LOOKING STATEMENTS

This Form 10-Q includes "forward-looking statements" within the meaning of
Section 27A of the Securities Act of 1933 and Section 21E of the Securities
Exchange Act of 1934. All statements other than statements of historical facts
included in this Form 10-Q, including, without limitation, statements regarding
oil and gas reserve estimates, planned capital expenditures, expected oil and
gas production, the Company's financial position, business strategy and other
plans and objectives for future operations, expected future expenses,
realization of deferred tax assets, and Year 2000 compliance efforts, are
forward-looking statements. Although the Company believes that the expectations
reflected in such forward-looking statements are reasonable, it can give no
assurance that such expectations will prove to have been correct. Factors that
could cause actual results to differ materially from those expected by the
Company, including, without limitation, factors discussed under Risk Factors in
the Company's Form 10-K for the year ended December 31, 1998, are substantial
indebtedness, impairment of asset value, need to replace reserves, substantial
capital requirements, ability to supplement capital resources with asset sales,
fluctuations in the prices of oil and gas, uncertainties inherent in estimating
quantities of oil and gas reserves, projecting future rates of production and
the timing of development expenditures, competition, operating risks, risks
associated with foreign operations, restrictions imposed by lenders, liquidity
and capital requirements, the effects of governmental and environmental
regulation, pending patent, securities and lease cancellation litigation,
adverse changes in the market for the Company's oil and gas production and the
Company's ability to successfully address Year 2000 issues. Readers are
cautioned not to place undue reliance on these forward-looking statements, which
speak only as of the


                                       23
<PAGE>   24

date hereof. The Company undertakes no obligation to release publicly the result
of any revisions to these forward-looking statements that may be made to reflect
events or circumstances after the date hereof, including, without limitation,
changes in the Company's business strategy or planned capital expenditures, or
to reflect the occurrence of unanticipated events.

ITEM 3.   QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKS

COMMODITY PRICE RISK

Periodically the Company utilizes hedging strategies to hedge the price of a
portion of its future oil and gas production. These strategies include (i) swap
arrangements that establish an index-related price above which the Company pays
the counterparty and below which the Company is paid by the counterparty, (ii)
the purchase of index-related puts that provide for a "floor" price below which
the counterparty pays the Company the amount by which the price of the commodity
is below the contracted floor, (iii) the sale of index-related calls that
provide for a "ceiling" price above which the Company pays the counterparty the
amount by which the price of the commodity is above the contracted ceiling, and
(iv) basis protection swaps, which are arrangements that guarantee the price
differential of oil or gas from a specified delivery point or points. Results
from hedging transactions are reflected in oil and gas sales to the extent
related to the Company's oil and gas production. The Company only enters into
hedging transactions related to the Company's oil and gas production volumes or
physical purchase or sale commitments of its oil and gas marketing subsidiary.
Gains or losses on crude oil and natural gas hedging transactions are recognized
as price adjustments in the months of related production.

Prior to June 30, 1999, the Company entered into and closed transactions
designed to hedge a portion of the Company's domestic oil and gas production.
The net unrecognized gains resulting from these transactions, $0.6 million, will
be recognized as price adjustments in the months of related production. These
hedging gains and losses are set forth below ($ in 000's):

<TABLE>
<CAPTION>
                                               HEDGING GAINS (LOSSES)
                                         ----------------------------------
                     MONTH                 GAS           OIL         TOTAL
               -------------------       -------      --------      -------
<S>            <C>                       <C>          <C>           <C>
               July 1999..........           210           (73)         137
               August 1999........           180           (73)         107
               September 1999.....           144           (70)          74
               October 1999.......           421           (72)         349
               November 1999......           102           (69)          33
               December 1999......            --           (71)         (71)
                                         -------      --------      -------
                                         $ 1,057      $   (428)     $   629
                                         =======      ========      =======
</TABLE>

Subsequent to June 30, 1999, the Company entered into the following natural gas
swap arrangements designed to hedge a portion of the Company's domestic gas
production.

<TABLE>
<CAPTION>
                                                 MONTHLY         NYMEX-INDEX
                                                 VOLUME         STRIKE PRICE
                    MONTHS                       (MMBTU)         (PER MMBTU)
               -------------------               -------        ------------
<S>                                              <C>            <C>

               April 2000.................       600,000           $ 2.41
               May 2000...................       620,000           $ 2.41
               June 2000..................       600,000           $ 2.41
               July 2000..................       620,000           $ 2.41
               August 2000................       620,000           $ 2.41
               September 2000.............       600,000           $ 2.41
               October 2000...............       620,000           $ 2.41
</TABLE>


                                       24
<PAGE>   25

Subsequent to June 30, 1999, the Company entered into the following crude oil
collar transactions related to its domestic oil production:

<TABLE>
<CAPTION>
                                         VOLUME       NYMEX-DEFINED        NYMEX-DEFINED
               MONTHS                    (BBLS)     HIGH STRIKE PRICE    LOW STRIKE PRICE
          ---------------------------    -------    -----------------    ----------------

<S>                                      <C>        <C>                  <C>
          July 1999..................    155,000         $ 19.710             $ 17.50
          August 1999................    310,000         $ 20.255             $ 17.75
          September 1999.............    300,000         $ 20.255             $ 17.75
          October 1999...............    310,000         $ 20.255             $ 17.75
          November 1999..............    300,000         $ 20.255             $ 17.75
          December 1999..............    310,000         $ 20.255             $ 17.75
          January 2000...............    310,000         $ 20.255             $ 17.75
          February 2000..............    290,000         $ 20.255             $ 17.75
          March 2000.................    310,000         $ 20.255             $ 17.75
          April 2000.................    300,000         $ 20.255             $ 17.75
          May 2000...................    310,000         $ 20.255             $ 17.75
          June 2000..................    300,000         $ 20.255             $ 17.75
          July 2000..................    155,000         $ 20.800             $ 18.00
</TABLE>

As of June 30, 1999, the Company had the following natural gas swap arrangement
designed to hedge a portion of the Company's Canadian gas production for periods
after June 1999:

<TABLE>
<CAPTION>
                                                       INDEX STRIKE PRICE
                                         VOLUME            (PER MMBTU)
               MONTHS                    (MMBTU)            (IN US $)
       ------------------------------    -------       ------------------
<S>    <C>                               <C>           <C>
       July 1999.....................    589,000             $1.60
</TABLE>

If the Canadian gas swap arrangement listed above had been settled on June 30,
1999, the Company would have incurred a loss of $0.2 million. Prior to June 30,
1999 the Company also entered into additional transactions designed to hedge a
portion of the Company's Canadian gas production during August through September
1999. Such transactions were closed in May 1999. The net loss resulting from
these transactions of $0.6 million (in US $) will be recognized as price
adjustments in the months of related production.

In addition to commodity hedging transactions related to the Company's oil and
gas production, CEMI periodically enters into various hedging transactions
designed to hedge against physical purchase commitments made by CEMI. Gains or
losses on these transactions are recorded as adjustments to Oil and Gas
Marketing Sales in the consolidated statements of operations and are not
considered by management to be material.

INTEREST RATE RISK

The Company also utilizes hedging strategies to manage fixed-interest rate
exposure. Through the use of a swap arrangement, the Company believes it can
benefit from stable or falling interest rates and reduce its current interest
expense. During the Current Quarter, the Company's interest rate swap resulted
in a $0.6 million reduction of interest expense.

The table below presents principal cash flows and related weighted average
interest rates by expected maturity dates. As of June 30, 1999, the carrying
amounts of short-term borrowings are representative of fair values because of
the short-term maturity of these instruments. The fair value of the long-term
debt has been estimated based on quoted market prices.

<TABLE>
<CAPTION>
                                                                        JUNE 30, 1999
                                      ----------------------------------------------------------------------------------------
                                                                        YEAR OF MATURITY
                                       ---------------------------------------------------------------------------------------
                                         1999      2000       2001       2002       2003      THEREAFTER    TOTAL   FAIR VALUE
                                       --------  --------   --------   --------   --------    ----------    -----   ----------
<S>                                    <C>       <C>        <C>        <C>        <C>         <C>           <C>     <C>
LIABILITIES:                                                            ($ IN MILLIONS)
  Long-term debt - variable rate       $     --  $     --   $     39   $     --   $     --    $       --    $  39   $       39
    Average interest rate............        --        --       7.75%        --         --            --       --           --
  Long-term debt, including current
    portion - fixed rate.............  $     --  $     --   $     --   $     --   $     --    $      920    $ 920   $      816
    Average interest rate............        --        --         --         --         --           9.1%      --           --
</TABLE>


                                       25
<PAGE>   26

                           PART II. OTHER INFORMATION

ITEM 1.   LEGAL PROCEEDINGS

The Company is subject to ordinary routine litigation incidental to its
business. In addition, the Company and certain of its officers and directors are
defendants in pending actions which are described in Item 3 of the Company's
annual report on Form 10-K for the year ended December 31, 1998. Subsequent
developments are as follows:

Union Pacific Resources Company v. Chesapeake Energy Corporation, et al., U.S.
District Court for the Northern District of Texas, Fort Worth Division, was
tried to the Court in June 1999. The issues were limited to the validity of a
UPRC patent and the Company's alleged infringement of the patent. No ruling has
been issued yet. If necessary, a trial on damages will be scheduled after the
ruling. UPRC originally filed the case against the Company in October 1996.
UPRC's claims are based on services provided to the Company by a third party
vendor controlled by former UPRC employees. UPRC is seeking damages of an
unspecified amount, including actual, enhanced, consequential and punitive
damages, interest, costs and attorneys' fees.

West Panhandle Field Cessation Cases. A subsidiary of the Company, Chesapeake
Panhandle Limited Partnership ("CP") (f/k/a MC Panhandle, Inc.), Natural Gas
Pipeline Company of America ("NGPL") and MidCon Gas Services, Inc. are
defendants in thirteen lawsuits filed in 1997 and 1998 by royalty owners seeking
the cancellation of oil and gas leases in the West Panhandle Field in Texas. The
Company acquired MC Panhandle, Inc. on April 30, 1998. MC Panhandle, Inc. has
owned the leases since January 1, 1997. Plaintiffs claim the leases terminated
upon the cessation of production for various periods between 1926 and 1997
and/or for failure to produce in paying quantities. Plaintiffs also seek to
recover conversion damages in an amount equal to 7/8 of gross production for the
period beginning two years prior to the filing of each suit through the time of
trial, plus attorneys' fees and interest, as well as exemplary damages.
Plaintiffs assert that NGPL, which was a prior lessee, knew that the leases had
terminated and that, therefore, defendants are bad faith trespassers and not
entitled (in the event of an adverse judgment) to recover the value of
improvements or operating costs. In the alternative, plaintiffs seek damages for
the breach of implied covenants of the leases, i.e., for failure to protect
against drainage, to maximize production, and to reasonably develop and market.

Defendants assert that any cessation of production was excused by their timely
commencement of operations to restore production and assert affirmative defenses
of limitations, waiver, estoppel, laches and title by adverse possession under
3, 5, 10 and 25-year statutes of adverse possession.

Following are the cases pending in the District Court of Moore County, Texas,
69th Judicial District:

o    Lois Law, et al. v. NGPL, et al., No. 97-70, filed December 22, 1997, jury
     trial in June 1999, verdict for defendants

o    A.C. Smith, et al. v. NGPL, et al., No. 98-47, first filed January 26, 1998
     and refiled May 29, 1998, notice given that summary judgment terminating
     leases will be entered

o    Joseph H. Pool, et al. v. NGPL, et al.,

          No. 98-30, first filed December 17, 1997 and refiled May 11, 1998,
          jury trial in June 1999, verdict for defendants
          No. 98-36, first filed February 2, 1998 and refiled May 20, 1998, jury
          trial in July 1999, verdict for plaintiffs
          No. 98-35, first filed February 2, 1998 and refiled May 20, 1998
          No. 98-49, first filed March 10, 1998 refiled May 29, 1998
          No. 98-50, first filed March 18, 1998 and refiled May 29, 1998
          No. 98-51, first filed December 2, 1997 and refiled May 29, 1998
          No. 98-48, first filed February 2, 1998 and refiled May 29, 1998
          No. 98-70, first filed March 23, 1998 and refiled October 22, 1998

The Pool cases listed above were first filed in the U.S. District Court,
Northern District of Texas, Amarillo Division. Other related cases pending are
the following:

o    Phillip Thompson, et al. v. NGPL, et al, U.S. District Court, Northern
     District of Texas, Amarillo Division, Nos. CV-012 and CV-106, filed January
     8, 1998 and March 18, 1998, respectively (actions consolidated), jury trial
     in May 1999, verdict for defendants


                                       26
<PAGE>   27

o    Craig Fuller, et al. v. NGPL, et al., District Court of Carson County,
     Texas, 100th Judicial District, No. 8456, filed June 23, 1997, cross
     motions for summary judgment pending

o    Ralph W. Coon, et al. v. MC Panhandle, Inc., et al., U.S. District Court,
     Eastern District of Texas, Lufkin Division, No. 2:98-CV-63, filed March 27,
     1998

Four of the cases listed above were tried in May, June and July 1999. Three
resulted in verdicts in favor of CP and the other defendants (Thompson, Law and
Pool No. 98-30), and one, Pool No. 98-36, resulted in a verdict against them.
The juries which found for defendants determined that the plaintiff's
termination claims were barred by laches, adverse possession and (in two cases)
revivor. The jury in Pool No. 98-36 found that the defendants were bad-faith
trespassers and produced gas from the leases as a result of fraud. The jury
assessed $1.2 million in exemplary damages against CP and each of the other two
defendants and awarded plaintiffs attorneys' fees in the amount of $158,000. The
parties stipulated that the value of gas produced by defendants was $1 million
since January 1, 1996 and $1.5 million since January 1, 1994. The court will
determine which amount of actual damages, if either, should be awarded based on
the statute of limitations and other considerations. CP has filed motions for
judgment in Thompson, Law and Pool No. 98-30 and a motion for judgment
notwithstanding verdict in Pool No. 98-36. The Company intends to appeal the
decision if the latter motion is not granted. The other nine cases have not been
set for trial.

The Company has previously established an accrued liability that management
believes will be sufficient to cover the estimated costs of litigation for each
of these cases. Because of the inconsistent verdicts reached by the juries in
the four cases tried to date and because the amount of damages sought is not
specified in all of the other cases, the outcome of the remaining trials and the
amount of damages that might ultimately be awarded could differ from
management's estimates. Management believes, however, that the leases are valid,
there is no basis for exemplary damages and that any findings of fraud or bad
faith will be overturned on appeal. CP and the other defendants intend to
vigorously defend against the plaintiff's claims.

ITEM 2.   CHANGES IN SECURITIES AND USE OF PROCEEDS

- - Not applicable

ITEM 3.   DEFAULTS UPON SENIOR SECURITIES

- - Not applicable

ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

The Company's annual meeting of shareholders was held on June 23, 1999. In the
election of directors, Aubrey K. McClendon received 78,688,202 votes for
election, and 1,455,980 shares were withheld from voting. Shannon T. Self
received 78,693,249 votes for election, and 1,450,933 shares were withheld from
voting. The other directors whose terms continued after the meeting are Breene
M. Kerr, Walter C. Wilson, Edgar F. Heizer, Jr. and Frederick B. Whittemore.

ITEM 5.   OTHER INFORMATION

- - Not applicable

ITEM 6.   EXHIBITS AND REPORTS ON FORM 8-K

(a)       Exhibits

               The following exhibits are filed as a part of this report:


                                       27
<PAGE>   28

          Exhibit No.
          -----------

           10.1.5           Registrant's 1999 Stock Option Plan

           10.2.1           First Amendment to the Amended and Restated
                            Employment Agreement dated as of December 31, 1998
                            between Aubrey K. McClendon and Chesapeake Energy
                            Corporation.

           10.2.2           First Amendment to the Amended and Restated
                            Employment Agreement dated as of December 31, 1998
                            between Tom L. Ward and Chesapeake Energy
                            Corporation.

           12               Computation of Ratios

           27               Financial Data Schedule


(b)       Reports on Form 8-K

          During the quarter ended June 30, 1999, the Company filed the
          following current reports on Form 8-K:

          On April 1, 1999, the Company filed a current report on Form 8-K
          reporting under Item 5 that the Board of Directors approved the
          repurchase of up to $10 million of the Company's senior notes and/or
          its convertible preferred stock.

          On May 5, 1999, the Company filed a current report on Form 8-K
          reporting under Item 5 that the Company issued a press release
          announcing the first quarter 1999 results.


                                       28
<PAGE>   29

                                   SIGNATURES


     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                         CHESAPEAKE ENERGY CORPORATION
                                         (Registrant)



August 16, 1999                          /s/ Aubrey K. McClendon
- ---------------                          ---------------------------------------
     Date                                Aubrey K. McClendon
                                         Chairman and
                                         Chief Executive Officer




August 16, 1999                          /s/ Marcus C. Rowland
- ---------------                          ---------------------------------------
     Date                                Marcus C. Rowland
                                         Executive Vice President and
                                         Chief Financial Officer


                                       29
<PAGE>   30

                                 EXHIBIT INDEX


<TABLE>
<CAPTION>
EXHIBIT
NUMBER              DESCRIPTION
- -------             -----------
<S>                 <C>

10.1.5              Registrant's 1999 Stock Option Plan

10.2.1              First Amendment to the Amended and Restated Employment
                    Agreement dated as of December 31, 1998 between Aubrey K.
                    McClendon and Chesapeake Energy Corporation.

10.2.2              First Amendment to the Amended and Restated Employment
                    Agreement dated as of December 31, 1998 between Tom L. Ward
                    and Chesapeake Energy Corporation.

 12                 Computation of Ratios

 27                 Financial Data Schedule
</TABLE>

<PAGE>   1



                                                                 EXHIBIT 10.1.5

                          CHESAPEAKE ENERGY CORPORATION

                             1999 STOCK OPTION PLAN




<PAGE>   2


                          CHESAPEAKE ENERGY CORPORATION
                             1999 STOCK OPTION PLAN

                                Table of Contents
<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----

<S>                                                                                                              <C>
ARTICLE I              PURPOSE....................................................................................1
                       SECTION 1.1  Purpose ......................................................................1
                       SECTION 1.2  Establishment ................................................................1
                       SECTION 1.3  Shares Subject to the Plan....................................................1
                       SECTION 1.4  Shareholder Approval..........................................................1

ARTICLE II             DEFINITIONS................................................................................1

ARTICLE III            ADMINISTRATION.............................................................................2
                       SECTION 3.1  Administration of the Plan; the Committee.....................................2
                       SECTION 3.2  Committee to Make Rules and Interpret Plan....................................3

ARTICLE IV             GRANT OF OPTIONS...........................................................................3

ARTICLE V              ELIGIBILITY................................................................................4

ARTICLE VI             STOCK OPTIONS..............................................................................4
                       SECTION 6.1  Grant of Options .............................................................4
                       SECTION 6.2  Conditions of Options.........................................................4
                       SECTION 6.3  Options Not Qualifying as Incentive Stock Options.............................5

ARTICLE VII            STOCK ADJUSTMENTS..........................................................................6

ARTICLE VIII           GENERAL....................................................................................6
                       SECTION 8.1  Amendment or Termination of Plan..............................................7
                       SECTION 8.2  Acceleration of Otherwise Unexercisable Stock Options
                                      on Death, Disability or Other Special Circumstances.........................7
                       SECTION 8.3  Nonassignability .............................................................7
                       SECTION 8.4  Withholding Taxes ............................................................7
                       SECTION 8.5  Amendments to Options.........................................................7
                       SECTION 8.6  Regulatory Approval and Listings..............................................7
                       SECTION 8.7  Right to Continued Employment.................................................7
                       SECTION 8.8  Reliance on Reports...........................................................8
                       SECTION 8.9  Construction..................................................................8
                       SECTION 8.10 Governing Law ................................................................8

ARTICLE IX             ACCELERATION OF OPTIONS UPON CORPORATE EVENT...............................................8
                       SECTION 9.1  Procedures for Acceleration and Exercise......................................8
                       SECTION 9.2  Certain Additional Payments by the Company....................................8
</TABLE>

                                      -1-

<PAGE>   3


                                    ARTICLE I

                                     PURPOSE

         SECTION 1.1 Purpose. This Stock Option Plan is established by
Chesapeake Energy Corporation (the "Company") to create incentives which are
designed to motivate Eligible Employees to put forth maximum effort toward the
success and growth of the Company and to enable the Company to attract and
retain experienced individuals who by their position, ability and diligence are
able to make important contributions to the Company's success. Toward these
objectives, the Plan provides for the granting of Options to Eligible Employees
on the terms and subject to the conditions set forth in the Plan.

         SECTION 1.2 Establishment. The Plan is effective as of March 5, 1999
and for a period of 10 years from such date. The Plan will terminate on March 4,
2009; however, it will continue in effect until all matters relating to the
exercise of Options and administration of the Plan have been settled.

         SECTION 1.3 Shares Subject to the Plan. Subject to Articles IV, VII and
IX of this Plan, shares of stock covered by Options shall consist of Three
Million (3,000,000) shares of Common Stock.

         SECTION 1.4 Shareholder Approval. Nonqualified Stock Options under the
Plan may be granted to Participants prior to Shareholder Approval of the Plan,
but no Incentive Stock Options may be granted prior to Shareholder Approval. In
the event Shareholder Approval is not obtained within the twelve-month period
following the date the Plan is adopted by the Board, no Incentive Stock Options
may be granted under the Plan.

                                   ARTICLE II

                                   DEFINITIONS

         SECTION 2.1 "Board" means the Board of Directors of the Company.

         SECTION 2.2 "Code" means the Internal Revenue Code of 1986, as amended.
Reference in the Plan to any Section of the Code shall be deemed to include any
amendments or successor provisions to such Section and any regulations under
such Section.

         SECTION 2.3 "Committee" has the meaning set forth in Section 3.1.

         SECTION 2.4 "Common Stock" means the common stock, par value $.01 per
share, of the Company and, after substitution, such other stock as shall be
substituted therefor as provided in Article VII or Article IX of the Plan.

         SECTION 2.5 "Date of Grant" means the date on which the granting of an
Option is authorized by the Committee or such later date as may be specified by
the Committee in such authorization.

         SECTION 2.6 "Disability" has the meaning set forth in Section 22(e)(3)
of the Code.

         SECTION 2.7 "Eligible Employee" means any employee of the Company, a
Subsidiary or a partnership or limited liability company which the Company
controls.

         SECTION 2.8 "Exchange Act" means the Securities Exchange Act of 1934,
as amended.

         SECTION 2.9 "Executive Officer Participants" means Participants who are
subject to the provisions of Section 16 of the Exchange Act.

         SECTION 2.10 "Fair Market Value" means (A) during such time as the
Common Stock is listed on the New York Stock Exchange or other national
securities exchanges or the Nasdaq National Market (each, an "exchange"), the
closing price of the Common Stock on the New York Stock Exchange or, if no sale
of the Common



<PAGE>   4


Stock shall have been made on the New York Stock Exchange, such other principal
exchange on the day for which such value is to be determined, or if no sale of
the Common Stock shall have been made on any such exchange that day, on the next
preceding day on which there was a sale of such Common Stock or (B) during any
such time as the Common Stock is not listed upon an exchange, the mean between
dealer "bid" and "ask" prices of the Common Stock in the over-the-counter market
on the day for which such value is to be determined, as reported by the National
Association of Securities Dealers, Inc.

         SECTION 2.11 "Incentive Stock Option" means an Option within the
meaning of Section 422 of the Code.

         SECTION 2.12 "Non-Executive Officer Participants" means Participants
who are not subject to the provisions of Section 16 of the Exchange Act.

         SECTION 2.13 "Nonqualified Stock Option" means an Option which is not
an Incentive Stock Option.

         SECTION 2.14 "Option" means an Option granted under Article VI of the
Plan and includes both Nonqualified Stock Options and Incentive Stock Options to
purchase shares of Common Stock.

         SECTION 2.15 "Option Agreement" means any written instrument that
establishes the terms, conditions, restrictions, and/or limitations applicable
to an Option in addition to those established by this Plan and by the
Committee's exercise of its administrative powers.

         SECTION 2.16 "Participant" means an Eligible Employee to whom an Option
has been granted by the Committee under the Plan.

         SECTION 2.17 "Plan" means the Chesapeake Energy Corporation 1999 Stock
Option Plan.

         SECTION 2.18 "Regular Stock Option Committee" means a committee
designated by the Board which shall consist of not less than two members of the
Board.

         SECTION 2.19 "Shareholder Approval" means approval by the holders of a
majority of the outstanding shares of Common Stock, present, or represented, and
entitled to vote at a meeting called for such purposes.

         SECTION 2.20 "Special Stock Option Committee" means a committee
designated by the Board which shall consist of not less than two members of the
Board who meet the definition of "non-employee directors" pursuant to Rule
16b-3, or any successor rule, promulgated under Section 16 of the Exchange Act.

         SECTION 2.21 "Subsidiary" shall have the same meaning set forth in
Section 424 of the Code.

                                   ARTICLE III

                                 ADMINISTRATION

         SECTION 3.1 Administration of the Plan; the Committee. For purposes of
administration, the Plan shall be deemed to consist of two separate stock option
plans, a "Non-Executive Officer Participant Plan" which is limited to
Non-Executive Officer Participants, and an "Executive Officer Participant Plan"
which is limited to Executive Officer Participants. Except for administration
and the category of Participants eligible to receive Options, the terms of the
Non-Executive Officer Participant Plan and the Executive Officer Participant
Plan are identical.

         The Non-Executive Officer Participant Plan shall be administered by the
Regular Stock Option Committee, and the Executive Officer Participant Plan shall
be administered by either the Special Stock Option Committee or the Board.
Accordingly, with respect to decisions relating to Non-Executive Officer
Participants, including the grant of

                                      -2-

<PAGE>   5


Options, the term "Committee" shall mean only the Regular Stock Option
Committee; and, with respect to all decisions relating to Executive Officer
Participants, including the grant of Options, the term "Committee" shall mean
either the Special Stock Option Committee or the Board.

         Unless otherwise provided in the by-laws of the Company or resolutions
adopted from time to time by the Board establishing the Committee, the Board may
from time to time remove members from, or add members to, the Committee.
Vacancies on the Committee, however caused, shall be filled by the Board. The
Committee shall hold meetings at such times and places as it may determine. A
majority of the Committee shall constitute a quorum, and the acts of a majority
of the members present at any meeting at which a quorum is present or acts
reduced to or approved by the Committee in writing by a majority of the members
of the Committee shall be the valid acts of the Committee.

         Subject to the provisions of the Plan, the Committee shall have
exclusive power to:

                  (a) Select the Eligible Employees to participate in the Plan.

                  (b) Determine the time or times when Options will be granted.

                  (c) Determine the form of an Option, whether an Incentive
Stock Option or a Nonqualified Stock Option, the number of shares of Common
Stock subject to the Option, all the terms, conditions (including performance
requirements), restrictions and/or limitations, if any, of an Option, including
the time and conditions of exercise or vesting, and the terms of any Option
Agreement, which may include the waiver or amendment of prior terms and
conditions or acceleration of the vesting or exercise of an Option under certain
circumstances determined by the Committee.

                  (d) Determine whether Options will be granted singly or in
combination.

                  (e) Take any and all other action it deems necessary or
advisable for the proper operation or administration of the Plan.

         SECTION 3.2 Committee to Make Rules and Interpret Plan. The Committee
in its sole discretion shall have the authority, subject to the provisions of
the Plan, to establish, adopt, or revise such rules and regulations and to make
all such determinations relating to the Plan as it may deem necessary or
advisable for the administration of the Plan. The Committee's interpretation of
the Plan or any Options granted pursuant hereto and all decisions and
determinations by the Committee with respect to the Plan shall be final,
binding, and conclusive on all parties.

                                   ARTICLE IV

                                GRANT OF OPTIONS

         The Committee may, from time to time, grant Options to one or more
Participants, provided, however, that:

                  (a) Subject to Article VII, the aggregate number of shares of
         Common Stock made subject to the grant of Options to any Participant in
         any fiscal year of the Company may not exceed 500,000.

                  (b) Any shares of Common Stock related to Options which
         terminate by expiration, forfeiture, cancellation or otherwise without
         the issuance of shares of Common Stock shall be available again for
         grant under the Plan.

                  (c) Common Stock delivered by the Company upon exercise of an
         Option under the Plan may be authorized and unissued Common Stock or
         Common Stock held in the treasury of the Company or may be purchased on
         the open market or by private purchase.

                                      -3-

<PAGE>   6


                  (d) The Committee shall, in its sole discretion, determine the
         manner in which fractional shares arising under this Plan shall be
         treated.

                  (e) Upon the exercise of any Option, the Company shall issue
         and deliver to the Participant who exercised the Option a certificate
         representing the number of shares of Common Stock purchased thereby.

                                    ARTICLE V

                                   ELIGIBILITY

         Subject to the provisions of the Plan, the Committee shall, from time
to time, select from the Eligible Employees those to whom Options shall be
granted and shall determine the type or types of Options to be granted and shall
establish in the related Option Agreements the terms, conditions, restrictions
and/or limitations, if any, applicable to the Options in addition to those set
forth in the Plan and the administrative rules and regulations issued by the
Committee.

                                   ARTICLE VI

                                  STOCK OPTIONS

         SECTION 6.1 Grant of Options. The Committee may, from time to time,
subject to the provisions of the Plan and such other terms and conditions as it
may determine, grant Options to Eligible Employees. These Options may be
Incentive Stock Options or Nonqualified Stock Options, or a combination of both.
Each grant of an Option shall be evidenced by an Option Agreement executed by
the Company and the Participant, and shall contain such terms and conditions and
be in such form as the Committee may from time to time approve, subject to the
requirements of Section 6.2.

         SECTION 6.2 Conditions of Options. Each Option so granted shall be
subject to the following conditions:

                  (a) Exercise Price. As limited by Section 6.2(e) below, each
         Option shall state the exercise price which shall be set by the
         Committee on the Date of Grant. Except as provided below, no Option
         shall be granted at an exercise price which is less than the Fair
         Market Value of the Common Stock on the Date of Grant. Notwithstanding
         the foregoing, Nonqualified Stock Options, not exceeding ten percent
         (10%) of the Options which can be issued under this Plan, may be
         granted at an exercise price which is not less than eighty-five percent
         (85%) of the Fair Market Value of the Common Stock on the Date of
         Grant.

                  (b) Form of Payment. The exercise price of an Option may be
         paid (i) in cash or by check, bank draft or money order payable to the
         order of the Company; (ii) by delivering shares of Common Stock having
         a Fair Market Value on the date of payment equal to the amount of the
         exercise price, provided that the Participant certifies that such
         shares of Common Stock have been issued to the Participant for a period
         of at least six months; or (iii) a combination of the foregoing. In
         addition to the foregoing, any Option granted under the Plan may be
         exercised by a broker-dealer acting on behalf of a Participant if (A)
         the broker-dealer has received from the Participant or the Company a
         notice evidencing the exercise of such Option and instructions signed
         by the Participant requesting the Company to deliver the shares of
         Common Stock subject to such Option to the broker-dealer on behalf of
         the Participant and specifying the account into which such shares
         should be deposited, (B) adequate provision has been made with respect
         to the payment of any withholding taxes due upon such exercise or, in
         the case of an Incentive Stock Option, upon the premature disposition
         of such shares and (C) the broker-dealer and the Participant have
         otherwise complied with Section

                                      -4-

<PAGE>   7


         220.3(e)(4) of Regulation T, 12 CFR, Part 220 and any successor rules
         and regulations applicable to such exercise.

                  (c) Exercise of Options. Options granted under the Plan shall
         be exercisable, in whole or in such installments and at such times, and
         shall expire at such time, as shall be provided by the Committee in the
         Option Agreement. Exercise of an Option shall be by written notice
         stating the election to exercise in the form and manner determined by
         the Committee. Every share of Common Stock acquired through the
         exercise of an Option shall be deemed to be fully paid at the time of
         exercise and payment of the exercise price.

                  (d) Other Terms and Conditions. Among other conditions that
         may be imposed by the Committee, if deemed appropriate, are those
         relating to (i) the period or periods and the conditions of
         exercisability of any Option; (ii) the minimum periods during which
         Participants must be employed by the Company or its Subsidiaries, or
         must hold Options before they may be exercised; (iii) the minimum
         periods during which shares acquired upon exercise must be held before
         sale or transfer shall be permitted; (iv) conditions under which such
         Options or shares may be subject to forfeiture; (v) the frequency of
         exercise or the minimum or maximum number of shares that may be
         acquired at any one time and (vi) the achievement by the Company of
         specified performance criteria.

                  (e) Special Restrictions Relating to Incentive Stock Options.
         In addition to being subject to all applicable terms, conditions,
         restrictions and/or limitations established by the Committee, Options
         issued in the form of Incentive Stock Options shall comply with the
         requirements of Section 422 of the Code (or any successor Section
         thereto), including, without limitation, the requirement that the
         exercise price of an Incentive Stock Option not be less than 100% of
         the Fair Market Value of the Common Stock on the Date of Grant, the
         requirement that each Incentive Stock Option, unless sooner exercised,
         terminated or cancelled, expire no later than 10 years from its Date of
         Grant, the requirement that Incentive Stock Options be granted only to
         Eligible Employees, and the requirement that the aggregate Fair Market
         Value (determined on the Date of Grant) of the Common Stock with
         respect to which Incentive Stock Options are exercisable for the first
         time by a Participant during any calendar year (under this Plan or any
         other plan of the Company or any Subsidiary) not exceed $100,000.
         Incentive Stock Options which are in excess of the applicable $100,000
         limitation will be automatically recharacterized as Nonqualified Stock
         Options as provided under Section 6.3 of this Plan. No Incentive Stock
         Options shall be granted to any Eligible Employee if, immediately
         before the grant of an Incentive Stock Option, such Eligible Employee
         owns more than 10% of the total combined voting power of all classes of
         stock of the Company or its Subsidiaries (as determined in accordance
         with the stock attribution rules contained in Sections 422 and 424(d)
         of the Code). Provided, the preceding sentence shall not apply if, at
         the time the Incentive Stock Option is granted, the exercise price is
         at least 110% of the Fair Market Value of the Common Stock subject to
         the Incentive Stock Option, and such Incentive Stock Option by its
         terms is exercisable no more than five years from the date such
         Incentive Stock Option is granted.

                  (f) Application of Funds. The proceeds received by the Company
         from the sale of Common Stock pursuant to Options will be used for
         general corporate purposes.

                  (g) Shareholder Rights. No Participant shall have any rights
         as a shareholder with respect to any share of Common Stock subject to
         an Option prior to the purchase of such share of Common Stock by
         exercise of the Option.

         SECTION 6.3 Options Not Qualifying as Incentive Stock Options. With
respect to all or any portion of any Option granted under this Plan not
qualifying as an "incentive stock option" under Section 422 of the Code, such
Option shall be considered a Nonqualified Stock Option granted under this Plan
for all purposes. Further, this Plan and any Incentive Stock Options granted
hereunder shall be deemed to have incorporated by reference all the provisions

                                      -5-

<PAGE>   8


and requirements of Section 422 of the Code (and the Treasury Regulations issued
thereunder) necessary to ensure that all Incentive Stock Options granted
hereunder shall be "incentive stock options" described in Section 422 of the
Code. Further, in the event that the $100,000 limitation contained in Section
6.2(e) herein is exceeded in any Incentive Stock Option granted under this Plan,
the portion of the Incentive Stock Option in excess of such limitation shall be
treated as a Nonqualified Stock Option under this Plan subject to the terms and
provisions of the applicable Option Agreement, except to the extent modified to
reflect recharacterization of the Incentive Stock Option as a Nonqualified Stock
Option.

                                   ARTICLE VII

                                STOCK ADJUSTMENTS

         Subject to the provisions of Article IX of this Plan, in the event that
the shares of Common Stock, as presently constituted shall be changed into or
exchanged for a different number or kind or shares of stock or other securities
of the Company or of another corporation (whether by reason of merger,
consolidation, recapitalization, reclassification, stock split, combination of
shares or otherwise), or if the number of such shares of Common Stock shall be
increased through the payment of a stock dividend, or a dividend on the shares
of Common Stock or rights or warrants to purchase securities of the Company
shall be made, then there shall be substituted for or added to each share
available under and subject to the Plan as provided in Section 1.3 hereof, and
each share then subject or thereafter subject or which may become subject to
Options under the Plan, the number and kind of shares of stock or other
securities into which each outstanding share of Common Stock shall be so changed
or for which each such share shall be exchanged or to which each such share
shall be entitled, as the case may be, on a fair and equivalent basis in
accordance with the applicable provisions of Section 424 of the Code; provided,
however, in no such event will such adjustment result in a modification of any
Option as defined in Section 424(h) of the Code. In the event there shall be any
other change in the number or kind of the outstanding shares of Common Stock, or
any stock or other securities into which the Common Stock shall have been
changed or for which it shall have been exchanged, then if the Committee shall,
in its sole discretion, determine that such change equitably requires an
adjustment in the shares available under and subject to the Plan, or in any
Option theretofore granted or which may be granted under the Plan, such
adjustments shall be made in accordance with such determination, except that no
adjustment of the number of shares of Common Stock available under the Plan or
to which any Option relates that would otherwise be required shall be made
unless and until such adjustment either by itself or with other adjustments not
previously made would require an increase or decrease of at least 1% of the
number of shares of Common Stock available under the Plan or to which any Option
relates immediately prior to the making of such adjustment (the "Minimum
Adjustment"). Any adjustment representing a change of less than such minimum
amount shall be carried forward and made as soon as such adjustment together
with other adjustments required by this Article VII and not previously made
would result in a Minimum Adjustment. Notwithstanding the foregoing, any
adjustment required by this Article VII which otherwise would not result in a
Minimum Adjustment shall be made with respect to shares of Common Stock relating
to any Option immediately prior to exercise of such Option.

         No fractional shares of Common Stock or units of other securities shall
be issued pursuant to any such adjustment, and any fractions resulting from any
such adjustment shall be eliminated in each case by rounding downward to the
nearest whole share.

                                  ARTICLE VIII

                                     GENERAL

         SECTION 8.1 Amendment or Termination of Plan. The Board may suspend or
terminate the Plan at any time. In addition, the Board may, from time to time,
amend the Plan in any manner, but may not adopt any amendment without
Shareholder Approval if (i) the amendment relates to Incentive Stock Options and
Section 422 of the Code requires Shareholder Approval of such amendment, or (ii)
in the opinion of counsel to the Company, Shareholder Approval is required by
any Federal or state law or regulations or rules promulgated thereunder.

                                      -6-

<PAGE>   9


         SECTION 8.2 Acceleration of Otherwise Unexercisable Stock Options on
Death, Disability or Other Special Circumstances. The Committee, in its sole
discretion, may permit (i) a Participant who terminates employment due to a
Disability, (ii) the personal representative of a deceased Participant, or (iii)
any other Participant who terminates employment upon the occurrence of special
circumstances (as determined by the Committee) to purchase all or any part of
the shares subject to any unvested Option on the date of the Participant's
termination of employment due to a Disability, death or special circumstances,
or as the Committee otherwise so determines. With respect to Options which have
already vested at the date of such termination or the vesting of which is
accelerated by the Committee in accordance with the foregoing provision, the
Participant or the personal representative of a deceased Participant shall have
the right to exercise such vested Options which are Incentive Stock Options
within three months of such date of termination of employment or one year in the
case of a Participant suffering a Disability or three years in the case of a
deceased Participant. The Participant or the personal representative of a
deceased Participant shall have the right to exercise such vested Options which
are Nonqualified Stock Options within such period(s) as the Committee shall
determine.

         SECTION 8.3 Nonassignability. No Option shall be subject in any manner
to alienation, anticipation, sale, transfer, assignment, pledge, or encumbrance,
except for transfer by will or the laws of descent and distribution. Any attempt
to transfer, assign, pledge, hypothecate or otherwise dispose of, or to subject
to execution, attachment or similar process, any Option contrary to the
provisions hereof, shall be void and ineffective, shall give no right to any
purported transferee, and may, at the sole discretion of the Committee, result
in forfeiture of the Option involved in such attempt.

         SECTION 8.4 Withholding Taxes. A Participant must pay the amount of
taxes required by law upon the exercise of an Option in cash.

         SECTION 8.5 Amendments to Options. The Committee may at any time
unilaterally amend the terms of any Option Agreement, whether or not the Option
granted thereunder is presently exercisable or vested, to the extent it deems
appropriate; provided, however, that any such amendment which is adverse to the
Participant shall require the Participant's consent.

         SECTION 8.6 Regulatory Approval and Listings. The Company shall use its
best efforts to file with the Securities and Exchange Commission as soon as
practicable following the date this Plan is adopted by the Board, and keep
continuously effective and usable, a Registration Statement on Form S-8 with
respect to shares of Common Stock subject to Options hereunder. Notwithstanding
anything contained in this Plan to the contrary, the Company shall have no
obligation to issue or deliver certificates representing shares of Common Stock
evidencing Options prior to:

                  (a) the obtaining of any approval from, or satisfaction of any
         waiting period or other condition imposed by, any governmental agency
         which the Committee shall, in its sole discretion, determine to be
         necessary or advisable;

                  (b) the admission of such shares to listing on any exchange on
         which the Common Stock may be listed; and

                  (c) the completion of any registration or other qualification
         of such shares under any state or Federal law or ruling of any
         governmental body which the Committee shall, in its sole discretion,
         determine to be necessary or advisable.

         SECTION 8.7 Right to Continued Employment. Participation in the Plan
shall not give any Participant any right to remain in the employ of the Company
or any Subsidiary or any partnership or limited liability company controlled by
the Company. Further, the adoption of this Plan shall not be deemed to give any
Eligible Employee or any other individual any right to be selected as a
Participant or to be granted an Option.

                                      -7-

<PAGE>   10


         SECTION 8.8 Reliance on Reports. Each member of the Committee and each
member of the Board shall be fully justified in relying or acting in good faith
upon any report made by the independent public accountants of the Company and
its Subsidiaries and upon any other information furnished in connection with the
Plan by any person or persons other than the Committee or Board member. In no
event shall any person who is or shall have been a member of the Committee or of
the Board be liable for any determination made or other action taken or any
omission to act in reliance upon any such report or information or for any
action taken, including the furnishing of information, or failure to act, if in
good faith.

         SECTION 8.9 Construction. The titles and headings of the sections in
the Plan are for the convenience of reference only, and in the event of any
conflict, the text of the Plan, rather than such titles or headings, shall
control.

         SECTION 8.10 Governing Law. The Plan shall be governed by and construed
in accordance with the laws of the State of Oklahoma except as superseded by
applicable Federal law.

                                   ARTICLE IX

                  ACCELERATION OF OPTIONS UPON CORPORATE EVENT

         SECTION 9.1 Procedures for Acceleration and Exercise. If the Company
shall, pursuant to action by the Board, at any time propose to dissolve or
liquidate or merge into, consolidate with, or sell or otherwise transfer all or
substantially all of its assets to another corporation and provision is not made
pursuant to the terms of such transaction for the assumption by the surviving,
resulting or acquiring corporation of outstanding Options under the Plan, or for
the substitution of new options therefor, the Committee shall cause written
notice of the proposed transaction to be given to each Participant no less than
forty days prior to the anticipated effective date of the proposed transaction,
and the Participant's Option shall become 100% vested. Prior to a date specified
in such notice, which shall be not more than ten days prior to the anticipated
effective date of the proposed transaction, each Participant shall have the
right to exercise his or her Option to purchase any or all of the Common Stock
then subject to such Option. Each Participant, by so notifying the Company in
writing, may, in exercising his or her Option, condition such exercise upon, and
provide that such exercise shall become effective immediately prior to the
consummation of the transaction, in which event such Participant need not make
payment for the Common Stock to be purchased upon exercise of such Option until
five days after receipt of written notice by the Company to such Participant
that the transaction has been consummated. If the transaction is consummated,
each Option, to the extent not previously exercised prior to the date specified
in the foregoing notice, shall terminate on the effective date such transaction
is consummated. If the transaction is abandoned, (i) any Common Stock not
purchased upon exercise of such Option shall continue to be available for
purchase in accordance with the other provisions of the Plan and (ii) to the
extent that any Option not exercised prior to such abandonment shall have vested
solely by operation of this Section 9.1, such vesting shall be deemed voided as
of the time such acceleration otherwise occurred pursuant to Section 9.1, and
the vesting schedule set forth in the Participant's Option Agreement shall be
reinstituted as of the date of such abandonment.

         SECTION 9.2 Certain Additional Payments by the Company. The Committee
may, in its sole discretion, provide in any Option Agreement for certain
payments by the Company in the event that acceleration of vesting of any Option
under the Plan is subject to the excise tax imposed by Section 4999 of the Code
or any interest or penalties with respect to such excise tax (such excise tax,
interest and penalties, collectively, the "Excise Tax"). An Option Agreement may
provide that the Participant shall be entitled to receive a payment (a "Gross-Up
Payment") in an amount such that after payment by the Participant of all taxes
(including any interest or penalties imposed with respect to such taxes),
including any Excise Tax, imposed upon the Gross-Up Payment, the Participant
retains an amount of the Gross-Up Payment equal to the Excise Tax imposed upon
such acceleration of vesting of any Option.

                                      -8-

<PAGE>   1



                                                                  EXHIBIT 10.2.1

                               FIRST AMENDMENT TO
                    AMENDED AND RESTATED EMPLOYMENT AGREEMENT


         THIS AGREEMENT is made effective December 31, 1998, between CHESAPEAKE
ENERGY CORPORATION, an Oklahoma corporation (the "Company"), and AUBREY K.
McCLENDON, an individual (the "Executive").

                              W I T N E S S E T H :

         WHEREAS, the Company and the Executive entered into that certain
Amended and Restated Employment Agreement (the "Prior Agreement") dated
effective July 1, 1998, which the parties desire to amend as provided herein.

         NOW, THEREFORE, in consideration of the mutual promises herein
contained, the Company and the Executive agree as follows:

1. Amendment to Paragraph 3.1. Paragraph 3.1 of the Prior Agreement is hereby
deleted in its entirety (including subparagraphs 3.1.1 and 3.1.2) and the
following paragraphs are substituted therefor:

   3.1  Company's Activities. The Executive or the Executive's designated
        affiliate will be permitted to acquire a working interest in all of the
        wells spudded by the Company or the Company's subsidiary corporations,
        partnerships or entities (the "Program Wells") on the terms and
        conditions set forth herein in any Calendar Quarter (as hereafter
        defined) during the term of this Agreement. The Program Wells include
        any well spudded during such Calendar Quarter in which the Company or
        the Company's subsidiary corporations, partnerships or entities
        participate as a nonoperator.

        3.1.1  Amount of Participation. On or before the date which is thirty
               (30) days before the first (1st) day of each Calendar Quarter,
               the Executive will provide notice to the compensation committee
               of the Company's board of directors of the Executive's intent to
               participate in the Program Wells during the succeeding Calendar
               Quarter and the approximate percentage working interest which the
               Executive proposes to participate with during such Calendar
               Quarter (the "Approved Percentage"). The Executive's Approved
               Percentage working interest participation (determined without
               consideration of any carried interest) in the Program Wells for
               any Calendar Quarter will not exceed two and one-half percent
               (2.5%) on an eight-eighths (8/8ths) basis. On designation of the
               Approved Percentage for a Calendar Quarter, the Executive will be
               deemed to have elected to participate in each Program Well
               spudded during such Calendar



<PAGE>   2

               Quarter with a working interest equal to the following applicable
               percentage determined on a well-by-well basis (the "Minimum
               Participation"): (a) the Approved Percentage for each Operations
               Well and each Program Well which does not fall within clause (b)
               of this paragraph 3 1.1; or (b) zero percent (0%) if the combined
               participation in the Program Well by the Executive, Mr. Tom L.
               Ward and Mr. Marcus C. Rowland with such individuals' Approved
               Percentage under their respective employment agreements causes
               the Company's working interest (determined without consideration
               of any carried interest) on the spud date for such Program Well
               to be less than twelve and one-half percent (12.5%) on an
               eight-eighths (8/8ths) basis. If clause (b) of this paragraph
               3.1.1 prohibits the Executive's participation in a Program Well,
               then Messrs. Ward and Rowland will not be entitled to participate
               in such Program Well under their employment agreements. An
               "Operations Well" means a Program Well which falls within the
               provisions of clause (b) of this paragraph 3.1.1, but for which
               the Executive's participation is deemed necessary for the Company
               to retain operations as determined by the disinterested members
               of the compensation committee of the Company's board of
               directors. If the Executive elects not to participate for a
               Calendar Quarter or fails to provide notice of the Executive's
               intent to participate and the Executive's proposed participation
               prior to the specified date as provided herein, the amount of the
               Approved Percentage for the Calendar Quarter will be deemed to be
               zero (0).

        3.1.2  Conditions of Participation. Except as provided herein, the
               participation by the Executive in each Program Well will be on no
               better terms than the terms agreed to by unaffiliated third party
               participants in connection with the acquisition of an interest in
               such Program Well from the Company or its subsidiary
               corporations, partnerships or entities. Once elected the Approved
               Percentage cannot be changed during any Calendar Quarter without
               the prior approval of the disinterested members of the
               compensation committee of the Company's board of directors. Any
               participation by the Executive under this paragraph 3.1 is also
               conditioned upon the Executive's participation in each Program
               Well spudded during such Calendar Quarter in an amount equal to
               the Minimum Participation. The Executive hereby agrees to execute
               and deliver any documents reasonably requested by the Company and
               hereby irrevocably appoints the Company as the Executive's agent
               and attorney-in-fact to execute and deliver such documents if the
               Executive fails or refuses to execute such documents. The
               Executive further agrees to pay: (a) all joint interest billings
               within one hundred fifty (150) days after receipt for all joint
               interest billings received before June 30,

                                      -2-

<PAGE>   3


               2000; and (b) within ninety (90) days after receipt for all other
               joint interest billings. For purposes of this Agreement, the term
               "Calendar Quarter" means the three (3) month period commencing on
               the first (1st) day of January, April, July and October.

        3.1.3  Revenue Advance. After the date of this Agreement, the Executive
               will receive an advance (the "Revenue Advance") from the Company
               in an amount equal to the revenue disbursed by the Company to the
               Executive during the prior six (6) months for all Program Wells
               and any other wells for which the Company disburses revenue to
               the Executive divided by six (6). The Revenue Advance represents
               oil and gas revenue received by the Company with respect to the
               Executive's interest in various oil and gas wells for which the
               Company markets production but not yet disbursed to the Executive
               or other participants in such wells. As a result, if the
               Executive sells or the Company otherwise ceases to market oil and
               gas for a material portion of the Executive's oil and gas
               interests the six (6) month revenue amount used in computing the
               Revenue Advance will be adjusted to reflect such change in
               circumstances. As of the date of this Agreement, the amount the
               Company has actually advanced (the "Current Advance") to the
               Executive is Nine Hundred Eighty-Four Thousand Dollars
               ($984,000.00), which amount exceeds the Revenue Advance as a
               result of a decline in the Executive's production and prices
               received for such production. Subsequent to January 1, 1999, the
               Company will charge and the Executive will pay quarterly interest
               at the per annum rate of 9 1/8% on the amount by which the
               Current Advance exceeds the oil and gas revenue received by the
               Company with respect to the Executive's interest but not yet
               disbursed. Prior to December 31, 2000, the Company will not
               increase the Current Advance or make additional advances to the
               Executive unless the amount of the Current Advance is less than
               the Revenue Advance. After December 31, 2000, the Executive
               agrees to promptly pay any amount by which the Current Advance
               and any amounts advanced to the Executive in connection with
               revenue from the Executive's oil and gas wells exceed, in the
               aggregate, the Revenue Advance.

2. Supersession. Except as expressly amended by this First Amendment to Amended
and Restated Employment Agreement, the Prior Agreement continues in full force
and effect and the terms and conditions thereof as amended hereby will govern
the relationship between the Company and the Executive.

         IN WITNESS WHEREOF, the undersigned have executed this Agreement
effective the date first above written.

                                      -3-

<PAGE>   4


                                       CHESAPEAKE ENERGY CORPORATION, an
                                       Oklahoma corporation



                                       By /s/ TOM L. WARD
                                          --------------------------------------
                                          Tom L. Ward, President

                                       (the "Company")



                                       /s/ AUBREY K. McCLENDON
                                       -----------------------------------------
                                       AUBREY K. McCLENDON, individually

                                       (the "Executive")

                                      -4-

<PAGE>   1


                                                                  EXHIBIT 10.2.2

                               FIRST AMENDMENT TO
                    AMENDED AND RESTATED EMPLOYMENT AGREEMENT


         THIS AGREEMENT is made effective December 31, 1998, between CHESAPEAKE
ENERGY CORPORATION, an Oklahoma corporation (the "Company"), and TOM L. WARD, an
individual (the "Executive").

                              W I T N E S S E T H :

         WHEREAS, the Company and the Executive entered into that certain
Amended and Restated Employment Agreement (the "Prior Agreement") dated
effective July 1, 1998, which the parties desire to amend as provided herein.

         NOW, THEREFORE, in consideration of the mutual promises herein
contained, the Company and the Executive agree as follows:

1. Amendment to Paragraph 3.1. Paragraph 3.1 of the Prior Agreement is hereby
deleted in its entirety (including subparagraphs 3.1.1 and 3.1.2) and the
following paragraphs are substituted therefor:

   3.1  Company's Activities. The Executive or the Executive's designated
        affiliate will be permitted to acquire a working interest in all of the
        wells spudded by the Company or the Company's subsidiary corporations,
        partnerships or entities (the "Program Wells") on the terms and
        conditions set forth herein in any Calendar Quarter (as hereafter
        defined) during the term of this Agreement. The Program Wells include
        any well spudded during such Calendar Quarter in which the Company or
        the Company's subsidiary corporations, partnerships or entities
        participate as a nonoperator.

        3.1.1  Amount of Participation. On or before the date which is thirty
               (30) days before the first (1st) day of each Calendar Quarter,
               the Executive will provide notice to the compensation committee
               of the Company's board of directors of the Executive's intent to
               participate in the Program Wells during the succeeding Calendar
               Quarter and the approximate percentage working interest which the
               Executive proposes to participate with during such Calendar
               Quarter (the "Approved Percentage"). The Executive's Approved
               Percentage working interest participation (determined without
               consideration of any carried interest) in the Program Wells for
               any Calendar Quarter will not exceed two and one-half percent
               (2.5%) on an eight-eighths (8/8ths) basis. On designation of the
               Approved Percentage for a Calendar Quarter, the Executive will be
               deemed to have elected to participate in each Program Well
               spudded during such Calendar Quarter with a working interest
               equal to the following applicable



<PAGE>   2


               percentage determined on a well-by-well basis (the "Minimum
               Participation"): (a) the Approved Percentage for each Operations
               Well and each Program Well which does not fall within clause (b)
               of this paragraph 3 1.1; or (b) zero percent (0%) if the combined
               participation in the Program Well by the Executive, Mr. Aubrey K.
               McClendon and Mr. Marcus C. Rowland with such individuals'
               Approved Percentage under their respective employment agreements
               causes the Company's working interest (determined without
               consideration of any carried interest) on the spud date for such
               Program Well to be less than twelve and one-half percent (12.5%)
               on an eight-eighths (8/8ths) basis. If clause (b) of this
               paragraph 3.1.1 prohibits the Executive's participation in a
               Program Well, then Messrs. McClendon and Rowland will not be
               entitled to participate in such Program Well under their
               employment agreements. An "Operations Well" means a Program Well
               which falls within the provisions of clause (b) of this paragraph
               3.1.1, but for which the Executive's participation is deemed
               necessary for the Company to retain operations as determined by
               the disinterested members of the compensation committee of the
               Company's board of directors. If the Executive elects not to
               participate for a Calendar Quarter or fails to provide notice of
               the Executive's intent to participate and the Executive's
               proposed participation prior to the specified date as provided
               herein, the amount of the Approved Percentage for the Calendar
               Quarter will be deemed to be zero (0).

        3.1.2  Conditions of Participation. Except as provided herein, the
               participation by the Executive in each Program Well will be on no
               better terms than the terms agreed to by unaffiliated third party
               participants in connection with the acquisition of an interest in
               such Program Well from the Company or its subsidiary
               corporations, partnerships or entities. Once elected the Approved
               Percentage cannot be changed during any Calendar Quarter without
               the prior approval of the disinterested members of the
               compensation committee of the Company's board of directors. Any
               participation by the Executive under this paragraph 3.1 is also
               conditioned upon the Executive's participation in each Program
               Well spudded during such Calendar Quarter in an amount equal to
               the Minimum Participation. The Executive hereby agrees to execute
               and deliver any documents reasonably requested by the Company and
               hereby irrevocably appoints the Company as the Executive's agent
               and attorney-in-fact to execute and deliver such documents if the
               Executive fails or refuses to execute such documents. The
               Executive further agrees to pay: (a) all joint interest billings
               within one hundred fifty (150) days after receipt for all joint
               interest billings received before June 30, 2000; and (b) within
               ninety (90) days after receipt for all other joint

                                      -2-

<PAGE>   3


               interest billings. For purposes of this Agreement, the term
               "Calendar Quarter" means the three (3) month period commencing on
               the first (1st) day of January, April, July and October.

        3.1.3  Revenue Advance. After the date of this Agreement, the Executive
               will receive an advance (the "Revenue Advance") from the Company
               in an amount equal to the revenue disbursed by the Company to the
               Executive during the prior six (6) months for all Program Wells
               and any other wells for which the Company disburses revenue to
               the Executive divided by six (6). The Revenue Advance represents
               oil and gas revenue received by the Company with respect to the
               Executive's interest in various oil and gas wells for which the
               Company markets production but not yet disbursed to the Executive
               or other participants in such wells. As a result, if the
               Executive sells or the Company otherwise ceases to market oil and
               gas for a material portion of the Executive's oil and gas
               interests the six (6) month revenue amount used in computing the
               Revenue Advance will be adjusted to reflect such change in
               circumstances. As of the date of this Agreement, the amount the
               Company has actually advanced (the "Current Advance") to the
               Executive is Nine Hundred Fifty-Eight Thousand Dollars
               ($958,000.00), which amount exceeds the Revenue Advance as a
               result of a decline in the Executive's production and prices
               received for such production. Subsequent to January 1, 1999, the
               Company will charge and the Executive will pay quarterly interest
               at the per annum rate of 9 1/8% on the amount by which the
               Current Advance exceeds the oil and gas revenue received by the
               Company with respect to the Executive's interest but not yet
               disbursed. Prior to December 31, 2000, the Company will not
               increase the Current Advance or make additional advances to the
               Executive unless the amount of the Current Advance is less than
               the Revenue Advance. After December 31, 2000, the Executive
               agrees to promptly pay any amount by which the Current Advance
               and any amounts advanced to the Executive in connection with
               revenue from the Executive's oil and gas wells exceed, in the
               aggregate, the Revenue Advance.

2. Supersession. Except as expressly amended by this First Amendment to Amended
and Restated Employment Agreement, the Prior Agreement continues in full force
and effect and the terms and conditions thereof as amended hereby will govern
the relationship between the Company and the Executive.

         IN WITNESS WHEREOF, the undersigned have executed this Agreement
effective the date first above written.

                                      -3-

<PAGE>   4


                                 CHESAPEAKE ENERGY CORPORATION, an
                                 Oklahoma corporation



                                 By /s/ AUBREY K. McCLENDON
                                    --------------------------------------------
                                    Aubrey K. McClendon, Chief Executive Officer


                                 (the "Company")



                                 /s/ TOM L. WARD
                                 -----------------------------------------------
                                 TOM L. WARD, individually

                                 (the "Executive")

                                      -4-

<PAGE>   1


                                                                      EXHIBIT 12


<TABLE>
<CAPTION>
                                                                  3 Months      3 Months         6 Months       6 Months
                                                                   Ended         Ended            Ended          Ended
                                                                  June 30,      June 30,         June 30,       June 30,
                                                                    1999          1998             1999           1998
                                                                   ------       --------          ------        --------
                                                                                 (in 000's, except ratios)

<S>                                                                <C>          <C>               <C>           <C>
RATIO OF EARNINGS TO FIXED CHARGES

         Income before income taxes and extraordinary item          8,473       (234,739)         (3,477)       (491,239)
         Interest                                                  20,259         18,665          40,149          29,353
         Preferred Stock Dividends                                  4,025          4,025           8,051           4,025
         Bond discount amortization (a)                                --             --              --              --
         Loan cost amortization                                       832            606           1,601           1,002
                                                                   ------       --------          ------        --------
         Earnings                                                  33,589       (211,443)         46,324        (456,859)

         Interest expense                                          20,259         18,665          40,149          29,353
         Capitalized interest                                         967          1,569           2,017           3,821
         Preferred Stock Dividends                                  4,025          4,025           8,051           4,025
         Bond discount amortization (a)                                --             --              --              --
         Loan cost amortization                                       832            606           1,601           1,002
                                                                   ------       --------          ------        --------
         Fixed Charges                                             26,083         24,865          51,818          38,201
         Ratio                                                       1.29          (8.50)           0.89          (11.96)

(A)      Bond discount excluded since its included in interest expense

         Insufficient coverage                                         --        236,308           5,494         495,060
</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET AS OF JUNE 30, 1999, AND STATEMENT OF INCOME FOR THE SIX MONTHS ENDED JUNE
30, 1999.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          28,995
<SECURITIES>                                         0
<RECEIVABLES>                                   58,241
<ALLOWANCES>                                     3,244
<INVENTORY>                                      4,877
<CURRENT-ASSETS>                                90,960
<PP&E>                                       2,342,506
<DEPRECIATION>                               1,661,777
<TOTAL-ASSETS>                                 800,910
<CURRENT-LIABILITIES>                           75,328
<BONDS>                                        958,118
                                0
                                    230,000
<COMMON>                                         1,055
<OTHER-SE>                                   (479,608)
<TOTAL-LIABILITY-AND-EQUITY>                   800,910
<SALES>                                        146,569
<TOTAL-REVENUES>                               150,409
<CGS>                                          113,737
<TOTAL-COSTS>                                  153,886
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     6
<INTEREST-EXPENSE>                              40,149
<INCOME-PRETAX>                                (3,477)
<INCOME-TAX>                                       326
<INCOME-CONTINUING>                            (3,803)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (3,803)
<EPS-BASIC>                                      (.12)
<EPS-DILUTED>                                    (.12)


</TABLE>


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