ESENJAY EXPLORATION INC
10KSB, 2000-04-14
CRUDE PETROLEUM & NATURAL GAS
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-KSB

[ X ]               ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1999

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

                 For the transition period from ______ to ______

                         Commission file number: 0-22782

                            ESENJAY EXPLORATION, INC.
              (Exact name of small business issuer in its charter)

              DELAWARE                                 73-1421000
      (State of incorporation)          (I.R.S. Employer Identification Number)

                         500 N. WATER STREET, SUITE 1100
                           CORPUS CHRISTI, TEXAS 78471

    (Address of registrant's principal executive offices, including zip code)

       Registrant's telephone number, including area code: (361) 883-7464

         Securities registered under Section 12(b) of the Exchange Act:

                                               NAME OF EACH EXCHANGE
                TITLE OF EACH CLASS             ON WHICH REGISTERED
                -------------------            ---------------------
                        None                             None

         Securities registered under Section 12(g) of the Exchange Act:

                                  COMMON STOCK
                     SERIES B COMMON STOCK PURCHASE WARRANTS

         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 [  ]

         Indicate by check mark if disclosure of delinquent filers pursuant
to Item 405 of Regulation S-B is not contained herein, and will not be
contained, to the best of registrant's knowledge, in definitive proxy or
information statements incorporated by reference in Part III of this Form
10-KSB or any amendment to this Form 10-KSB. [ ]

         State issuer's revenues for its most recent fiscal year: $12,566,165

         The aggregate market value of the voting stock held by non-affiliates
of the registrant (treating all executive officers and directors of the
registrant, for this purpose, as if they may be affiliates of the registrant)
was approximately $17,686,299 on March 27, 2000 (based on the last sales price
of $2.031 per share as reported on the NASDAQ Stock Market).

         18,837,699 shares of the registrant's common stock were outstanding as
of March 27, 2000.

                       DOCUMENTS INCORPORATED BY REFERENCE

    REGISTRANT'S PROXY STATEMENT FOR ITS 2000 ANNUAL MEETING OF SHAREHOLDERS
                   IS INCORPORATED BY REFERENCE INTO PART III


<PAGE>


                            ESENJAY EXPLORATION, INC.
                        FOR YEAR ENDED DECEMBER 31, 1999

                                TABLE OF CONTENTS
                                   FORM 10-KSB

                                     PART I
<TABLE>
<CAPTION>
ITEM                                                                                                           PAGE
- ----                                                                                                           ----
<S>                                                                                                           <C>
1.       Description of Business..............................................................................    3

2.       Description of Property..............................................................................   18

3.       Legal Proceedings....................................................................................   20

4.       Submission of Matters to a Vote of Security Holders..................................................   20

                                     PART II

5.       Market for Common Equity and Related Stockholder Matters.............................................   21

6.       Management's Discussion and Analysis or Plan of Operation............................................   22

6A.      Quantitative and Qualitative Disclosures about Market Risks..........................................   31

7.       Financial Statements.................................................................................   32

8.       Changes in and Disagreements with Accountants on
           Accounting and Financial Disclosure................................................................   51

                                    PART III

9.       Directors, Executive Officers, Promoters and Control Persons;
           Compliance with Section 16(a) of the Exchange Act..................................................   52

10.      Executive Compensation...............................................................................   52

11.      Security Ownership of Certain Beneficial Owners
           and Management.....................................................................................   52

12.      Certain Relationships and Related Transactions.......................................................   52

                                     PART IV

13.      Exhibits and Reports on Form 8-K.....................................................................   53

         Signatures...........................................................................................   55

</TABLE>

                                        2

<PAGE>

                                     PART I

         This Form 10-KSB contains 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. The Company's actual results could differ materially from
those set forth in the forward-looking statements. Certain factors that might
cause such a difference are discussed in the introductory paragraph to
Management's Discussion and Analysis beginning on page 22 of this Form 10-KSB.

ITEM 1.  DESCRIPTION OF BUSINESS

GENERAL

                                   THE COMPANY

         Esenjay Exploration, Inc. (the "Company") is an independent energy
company engaged in the exploration for and development of natural gas and oil.
The Company has assembled a diverse inventory of technology enhanced natural gas
and oil exploration projects primarily along the Texas and Louisiana Gulf Coast
(the "Exploration Projects"). These Exploration Projects include interests in 28
projects the Company acquired on May 14, 1998 (the "Acquisitions") from Esenjay
Petroleum Corporation ("EPC") and Aspect Resources LLC ("Aspect") pursuant to an
Acquisition Agreement and Plan of Exchange (as amended, the "Acquisition
Agreement"). The Exploration Projects also include the Company's interests in
projects acquired both before and after consummation of the Acquisitions. The
Company, EPC and Aspect have spent several years identifying and evaluating many
of the Exploration Projects. Each of the Exploration Projects differs in scope
and character and consists of one or more types of assets, such as 3-D seismic
data, leasehold positions, lease options, working interests in leases, royalty
interests or other mineral rights. In September of 1999 the Company acquired 3DX
Technologies Inc., pursuant to which acquisition it expanded its ownership in
certain of its exploration projects, added interests in other projects, and
expanded its technical staff.

         OVERVIEW OF CURRENT ACTIVITIES AND RECENT EVENTS. Most of the
Exploration Projects have been enhanced with 3-D seismic data in conjunction
with computer aided exploration ("CAEX") technologies. The 3-D seismic data
acquired to date covers approximately 1,844 square miles, with additional 3-D
seismic surveys currently in process. A significant number of the Exploration
Projects have reached the drilling stage, and the Company has budgeted
approximately $18 million to fund its drilling and completion budget in 2000. It
has also budgeted approximately $8 million for additional land and geophysical
costs for a total 2000 capital expenditure budget of approximately $26 million.
The budget is projected to fund the Company's net cost in over 40 wells. The
Company currently has capital resources to substantially fund its 2000 capital
expenditures budget. (See Management's Discussion and Analysis - Liquidity and
Capital Resources). The Company believes that the Exploration Projects represent
a diverse array of technology enhanced, 3-D seismic evaluated, ready to drill
natural gas exploration projects.

         The Company, which utilizes the successful efforts method of
accounting, entered 2000 having gone from nominal second quarter 1998 gas and
oil revenues of approximately $35,000 per month and large operating cash flow
deficits to a company with over $1,815,637 per month in oil and gas revenues in
the fourth quarter of 1999. This revenue number grew rapidly in the second half
of 1999 as wells drilled began to rapidly come on line. Revenues are expected to
continue to increase in 2000. In addition, since December 31, 1999, the Company
has closed a long term $29,000,000 financing facility with $21,000,000 available
with Deutsche Bank AG, New York Branch, which repaid all existing long term debt
of approximately $15.8 million, including $11,013,162 which was classified as
current at December 31, 1999. It has also closed a sale of project interests to
an industry partner for a total of $10,940,000 ($10,585,981 net after
transaction fees) to the Company. The closed financing, combined with the closed
project interest sale, enhanced working capital and will significantly
contribute to the Company's 2000 capital expenditure plan. (See "See
Management's Discussion and Analysis - Liquidity and Capital Resources"). A
survey of the Company's history is set forth below.

         OVERVIEW OF HISTORICAL DEVELOPMENTS - INCEPTION THROUGH DECEMBER 31,
1998. In mid-1996, the Company refocused its activities from acquiring gas
reserves principally in the mid-continent region of the United States to
concentrate on exploration and related development drilling projects in Southern
Louisiana and along the


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Gulf Coast region of Alabama, Mississippi and Texas. During 1996 and 1997,
the Company's drilling activities, which were based primarily on 2-D seismic
data, were largely unsuccessful. This fact, along with an unexpected drop in
production from the Company's Mobile Bay area wells, greatly reduced the
Company's cash and capital resources.

         To address the Company's capital needs, the Board of Directors, at its
meeting on August 12, 1997, directed management to look for potential assets to
acquire in exchange for the Company's Common Stock, to identify and review
potential business consolidation opportunities, identify potential partners to
help fund the Company's proposed drilling activities, and to consider any other
avenues to strengthen the Company's capital resources and diversify its
exploration opportunities. The Board also directed management to reduce overhead
wherever prudently possible and the Company retained an investment advisor to
aid in achieving these objectives. The Company explored a series of such
transactions and the Board, after receipt of the advice of management and its
investment advisor, and receipt of due diligence reports and other materials,
unanimously agreed that a transaction with Aspect and EPC was the best option
for the Company's shareholders. This process led to the Company entering into
the Acquisition Agreement among the Company, EPC, and Aspect. This Acquisition
Agreement, and certain provisions of it, required approval of the shareholders
of the Company. At a special meeting of shareholders held on May 14, 1998 the
shareholders approved the Acquisition Agreement, a recapitalization of the
Company pursuant to which each outstanding share of common stock would convert
into one-sixth (1/6) of a share of new common stock (the "Reverse Split"), a
plan and agreement of merger pursuant to which the Company would reincorporate
in the state of Delaware and would change its name to Esenjay Exploration, Inc.
(the "Reincorporation"), and the election of seven directors.

         On May 14, 1998 after a Special Meeting of Shareholders, the Company
closed the transactions provided for in the Acquisition Agreement, implemented
the Reverse Split, and completed the Reincorporation. All references in the
accompanying financial statements to the number of common shares have been
restated to reflect the foregoing. In addition, as required by the Acquisition
Agreement, the Company called for redemption, all of its issued and outstanding
cumulative convertible preferred stock and did redeem said preferred stock. The
result of the foregoing is that the Company conveyed a substantial majority of
its Common Stock to acquire an array of significant technology enhanced natural
gas oriented exploration projects. The Company believed the Acquisitions would
facilitate expanded access to capital markets due to the value and diversity of
its exploration project portfolio. The Company also believes the transactions
significantly enhanced the Company's management team.

         In connection with the Acquisitions, an affiliate of Enron Corp.
exercised an option to exchange $3.8 million of debt Aspect owed to such Enron
affiliate for 675,000 shares of the Company's Common Stock that would otherwise
have been issued to Aspect in the Acquisitions, at an effective conversion rate
of $5.63 per share.

         On July 21, 1998 the Company closed an underwritten offering of
4,000,000 shares of its common stock at a price of $4.00 per share. The net
proceeds to the Company were approximately $14,880,000. After the offering the
Company had 15,762,723 shares outstanding.

         On Exploration Projects acquired in 1998 pursuant to the Acquisitions,
the Company participated in the drilling of twenty-four wells through December
31, 1998 with working interests, which range from 8% to 79%. Out of those
twenty-four wells drilled, thirteen wells have been completed and eleven were
dry holes. Several of the successful wells went into production late in the
third quarter of 1998, and in the fourth quarter of 1998.

         OVERVIEW OF 1999 ACTIVITIES. As a result of the above-described
acquisitions, restructuring, and the underwritten offering, the Company believed
it was, and believes it continues to be, positioned for a period of significant
exploration activity on its technology enhanced projects. Many of the projects
have reached the drilling stage. In many instances the requisite process of
geological and/or engineering analysis, followed by acreage acquisition of
leasehold rights and seismic permitting, and 3-D seismic field data acquisition,
then processing of the data and finally its interpretation, required several
years and the investment of significant capital. Management believes the
acquisition of projects at this advanced stage has not only reduced the drilling
risk, but should allow the Company to consistently drill on a broad array of
exploration prospects in 1999 and subsequent years.

         In the first half of 1999, the Company completed a review of each of
its operating departments in order to identify areas where it could increase
efficiency and/or reduce costs. As a result, it has implemented personnel and


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<PAGE>


procedural changes in the accounting, land and operations departments. These
changes increased certain third quarter costs due to consultants fees,
employment severance packages, and new systems implementation. However, as a
result, the Company expects to achieve increased cost efficiency in certain
general, administrative, management and operational areas.

         In 1999, the Company participated in 29 new wells which reached total
depth and were logged during the year. Of the total wells drilled and logged in
1999, 20 were producing as of March 28, 2000, 2 are scheduled to commence
production upon completion and pipeline connections, 7 were dry holes, 1 of
which logged productive but had mechanical completion problems and will be
redrilled. Only 2 of the 1999 wells were producing as of July 1, 1999, and as a
result the Company's net daily oil and gas production increased substantially
throughout the third and fourth quarters. Based upon estimated sustainable flow
rates, the 1999 wells helped to increase the Company's net daily production to
approximately 532 barrels of oil per day and 14,605 million cubic feet of
natural gas per day as of December 1999.

         The Company's net cost in the 29 wells was approximately $8,652,439 for
drilling and completion, not including certain prior expenditures incurred at
the project level for land and seismic. It should be noted that the Company
defines a "project" as a distinct 3-D seismic data area which often comprises
several distinct exploratory "prospects". Net reserves attributable to the 29
wells drilled in 1999 total 18,466,712 MCFE including 1999 production and
December 31, 1999 remaining reserves. On a present value basis, the Company
achieved a present value in excess of four times the 1999 drilling and
completion costs expended.

         The Company ended 1999 having gone from nominal third quarter 1998 gas
and oil revenues of approximately $35,000 per month and large operating cash
flow deficits to a company which averaged $1,815,637 per month in net oil and
gas revenues and associated hedging revenues from commodity transactions in the
fourth quarter of 1999. This number increased significantly as the wells drilled
in 1999 continued to come on line. This allowed the Company to achieve positive
operating cash flow (before capital expenditures, and before the costs of
acquisition of new 3-D seismic data, and changes in working capital) in the
third quarter, which operating cash flow increased in the fourth quarter. As a
result of this trend, approximately 56% of the Company's 1999 gas and oil
revenue were attributable to the fourth quarter of the year.

         On May 12, 1999, the Company announced that it had entered into a Plan
and Agreement of Merger with 3DX Technologies, Inc. ("3DX") which provided for
the merger of 3DX into the Company. The shareholders of both companies approved
the transaction at their respective meetings on September 23, 1999 and the
merger was consummated the same day. The terms of the merger provided for 3DX
shareholders to receive, at their election, either (i) the issuance of one share
of Esenjay common stock for 3.25 shares of 3DX common stock; or (ii) the
issuance of a new Esenjay convertible preferred stock at a ratio of one share of
Esenjay convertible preferred stock for each 2.75 shares of 3DX common stock.
The preferred stock does not require payment of dividends. Approximately 91% of
the 3DX common shares converted into Esenjay common stock and approximately 9%
were converted into Esenjay convertible preferred stock. As a result, Esenjay
issued approximately 2,906,800 new shares of common stock and approximately
357,000 shares of convertible preferred stock.

         The convertible preferred stock may be redeemed at Esenjay's sole
option until September 23, 2000 at $1.925 per share. If not redeemed by that
time, the preferred will automatically convert into one share of Esenjay common
stock on October 1, 2000 if the average closing price of Esenjay common stock is
greater than or equal to $1.875 during the month of September 2000. If the
Esenjay common stock averages less than $1.875 in September of 2000, the
preferred holder has the right, during the month of October of 2000, to "put"
the shares to Esenjay. If put, Esenjay will then have the right to retire the
convertible preferred stock for $1.65 in cash or for common stock with the
number of shares of common stock adjusted based upon a formula set out in the
merger agreement. The convertible preferred stock is scheduled to be converted
or redeemed not later than November 1, 2000. Prior to that time no dividends
accrue or are required to be paid other than as would participate with any
common stock dividends, which common stock dividends are not anticipated to be
declared.

         OVERVIEW OF 2000 ACTIVITIES. The Company believes it enters 2000 in a
position to continue to expand its exploration activities on its
technology-enhanced projects. By utilizing its increased capital available to it
from cash flow, financings and industry partner transactions, the Company
intends to pursue an aggressive exploration budget in all of its major trends of
activity. The Company's net daily production approximated 530 barrels of oil per
day and

                                        5


<PAGE>

13,767 Mcf natural gas per day in March of 2000. This net production is
after a reduction of 6 barrels of oil per day and 1,981 Mcf of natural gas per
day attributable to the sale of interests in the Raymondville Project as
described below in this paragraph. The Company has also successfully improved
its working capital and cash resources. On February 7, 2000, it announced the
closure of a $29 million credit facility with Deutsche Bank AG, New York Branch.
Initial availability pursuant to the facility was $21 million with a borrowing
base adjustment scheduled for the second quarter of 2000. A portion of the
available proceeds was utilized to retire approximately $15.8 million of
previously existing debt with Bank of America and Duke Energy Financial
Services, Inc., of which approximately $11 million was classified as the current
portion of long-term debt. The amount outstanding under the new facility was all
classified as long term debt. In addition, the Company sold approximately 84.39%
of its interest in its Raymondville Project in Willacy County to Cody Texas,
L.P. for cash proceeds of $10,940,000 ($10,585,981 net of transaction fees). The
sale closed on March 20, 2000 but was effective as of January 1, 2000. Pursuant
to this sale the Company sold 3,462,967 MCFE of its reserves classified as
proven as of December 31, 1999. Its borrowing base availability with Deutsche
Bank was not reduced. The combination of these two financing transactions
provided $15.8 million in net additional cash resources (after repayment of
existing debt) and created significant positive working capital for the Company.
As a result of its current cash flow and the impact of these two transactions,
the Company believes it is well positioned to fund its 2000 drilling activities,
the results of which are intended to help continue the upward trends of
increasing cash flow and reserves. The Company will look to a variety of sources
to further supplement its capital expenditures budget, including its credit
facilities and sales of additional promoted project interests to industry
partners, as it seeks to maximize its interests and manage its risks while
aggressively pursuing its exploration projects.

         The Company has budgeted $18,000,000 in drilling and completion
expenditures on interests in over 40 wells and an additional $8,000,000 in land
and new seismic costs in 2000. The budgeted drilling and completion
expenditures, which are primarily on exploratory wells, compares to total
drilling and completion expenditures of approximately $8,652,439 in 1999 when
the Company had less capital available. Through this exploration program, the
Company believes it can continue its 1999 trends of rapid growth in net
production, net revenues, operating cash flow, and net gas and oil reserves
throughout the year 2000 and beyond. It believes that certain of its planned
2000 exploratory wells represent the highest upside potential to which the
Company has been exposed.

         As of March 27, 2000, the Company has approximately 18,770,000 total
shares of common stock and 357,000 total shares of preferred stock outstanding.
It employs 40 full time employees, including 12 in its geological and
geophysical departments, 7 in its operations department, and 11 in its land
department. Its focus continues to be the implementation of its business
strategy as set forth in this section.

         SUCCESSFUL EFFORTS ACCOUNTING AND RELATED MATTERS. The Company utilizes
the successful efforts method of accounting. Under this method it expenses its
exploratory dry hole costs and the field acquisition costs of 3-D seismic data
as incurred. The undeveloped properties, which were acquired pursuant to the
Acquisitions, were comprised primarily of interests in unproven 3-D seismic
based projects, and were recorded in May of 1998 at an independently estimated
fair market value of $54.2 million as determined by Cornerstone Ventures, L.P.,
a Houston, Texas based investment banking firm. Pursuant to the successful
efforts method of accounting, the Company is amortizing such initial costs of
unproved properties on a straight-line basis over a period not to exceed
forty-eight months, as well as recognizing property specific impairments. As of
December 31, 1999 the unamortized balance was $13,448,700. Hence significant
non-cash charges have depressed reported earnings of the Company and will likely
continue to do so in 2000; however, the non-cash charges will not affect cash
flows provided by operating activities nor the ultimate realized value of the
Company's natural gas and oil properties.

         As a result of the tax rules applicable to the Acquisitions, the
Company will likely not be able to fully use its existing net operating loss
carry forward in the future.

STRATEGY

         The Company's strategy is to expand its reserves, production and cash
flow through the implementation of an exploration program that focuses on (i)
obtaining dominant positions in core areas of exploration; (ii) enhancing the
value of the Exploration Projects and reducing exploration risks through the use
of 3-D seismic and CAEX technologies; (iii) maintaining an experienced technical
staff with the expertise necessary to take advantage of the Company's
proprietary 3-D seismic and CAEX seismic data; (iv) reducing exploration risks
by focusing on the

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identification of potential moderate-depth gas reservoirs, which the Company
believes are conducive to hydrocarbon detection technologies; and (v)
retaining operational control over critical exploration decisions.

         OBTAIN DOMINANT POSITION IN CORE AREAS. The Company has identified core
         areas for exploration along the Texas and Louisiana Gulf Coasts that
         have geological trends with demonstrated histories of prolific natural
         gas production from reservoir rocks high in porosity and permeability
         with profiles suitable for seismic evaluation. Unlike the Gulf of
         Mexico, where 3-D seismic data typically is owned and licensed by many
         companies that compete intensely for leases, the private right of
         ownership of onshore mineral rights enables individual exploration
         companies to proprietarily control the seismic data within focused core
         areas. The Company believes that by obtaining substantial amounts of
         proprietary 3-D seismic data and significant acreage positions within
         its core areas, it will be able to achieve a dominant position in
         focused portions of those areas. With such a dominant position, the
         Company believes it can better control the core areas' exploration
         opportunities and future production, and can attempt to minimize costs
         through economies of scale and other efficiencies inherent in its
         focused approach. Such cost savings and efficiencies include the
         ability to use the Company's proprietary data to reduce exploration
         risks and lower its leasehold acquisition costs by identifying and
         purchasing leasehold interests only in those focused areas in which the
         Company believes exploratory drilling is most likely to be successful.

         USE OF 3-D SEISMIC AND CAEX TECHNOLOGIES. The Company attempts to
         enhance the value of its Exploratory Projects through the use of 3-D
         seismic and CAEX technologies, with an emphasis on direct hydrocarbon
         detection technologies. These technologies create computer generated
         3-dimensional displays of subsurface geological formations that enable
         the Company's explorationists to more accurately map structural
         features to detect seismic anomalies that are not apparent in 2-D
         seismic surveys. The Company believes that 3-D seismic technology, if
         properly used, will reduce drilling risks and costs by reducing the
         number of dry holes, optimizing well locations and reducing the number
         of wells required to exploit a discovery. The Company believes that 3-D
         seismic surveys are particularly suited to its Exploration Projects
         along the Texas and Louisiana Gulf Coasts.

         EXPERIENCED TECHNOLOGICAL TEAM. The Company maintains an experienced
         technical staff, including engineers, geologists, geophysicists,
         landmen and other technical personnel. After the Acquisitions, the
         Company hired most of EPC's technical personnel, who, in some
         instances, have worked together for over 15 years. It further expanded
         its technical staff when it acquired 3DX in September of 1999. In
         addition, the Company has contracts with various geotechnical services
         consultants who provide the Company geophysical expertise in managing
         the design, acquisition, processing and interpretation of 3-D seismic
         data in conjunction with CAEX data.

         FOCUSED DRILLING OBJECTIVES. In addition to using 3-D seismic and CAEX
         technologies, the Company seeks to reduce exploration risks by
         primarily exploring at moderate depths that are deep enough to discover
         sizable gas accumulations (generally 8,000 to 12,500 feet) and that
         also are conducive to direct hydrocarbon detection, but not so deep as
         to be highly exposed to the greater mechanical risks and drilling costs
         incurred in the deep plays in the region. In conjunction with
         interpreting the 3-D seismic and CAEX data relating to the Company's
         moderate depth wells, the Company anticipates it will identify
         potential prospects in deep gas provinces that the Company may elect to
         pursue.

         CONTROL OF EXPLORATION AND OPERATIONAL FUNCTIONS. The Company believes
         that having control of the most critical functions in the exploration
         process will enhance its ability to successfully develop its
         Exploration Projects. The Company has a controlling interest in many of
         the Exploration Projects, including proprietary interests in most of
         the 3-D seismic data relating to those projects. As a result, the
         Company will often be able to influence the areas to explore, manage
         the land permitting and option process, determine seismic survey areas,
         oversee data acquisition and processing, prepare, integrate and
         interpret the data and identify each prospect drillsite. In addition,
         the Company will likely be the operator of a majority of the wells
         drilled within the Exploration Projects.

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<PAGE>


EXPLORATION PROJECTS

         Most of the Exploration Projects are concentrated within the Frio,
Wilcox, Texas Hackberry and Yegua core project areas. The Frio core area
generally is in the middle Texas Gulf Coast where the Company believes Frio
targets exist at moderate depths. The Wilcox core area generally is in the
middle Texas Gulf Coast in an area the Company believes to have prospects for
Wilcox sand exploration. The Texas Hackberry core area is located in Jefferson
and Orange Counties, Texas, in an area which the Company believes offers
drilling opportunities in the Hackberry formations, as well as Miocene and
deeper Vicksburg sands. The Yegua trend extends from San Patricio County in
Texas through Beauregard and Calcasieu Parishes in Louisiana. The Company became
active in two portions of this trend in 1999. Other Exploration Projects consist
of the Starboard Project, as well as other projects in Louisiana and Mississippi
that either are in early stage exploration areas that may develop into new core
project areas, or non-core area projects, which are projects that are not
presently expected to be further expanded.

         Each of the Exploration Projects differs in scope and character and
consists of one or more types of assets, such as 3-D seismic data, leasehold
positions, lease options, working interests in leases, royalty interests or
other mineral rights. The Company's percentage interest in each Exploration
Project (a "Project Interest") represents the portion of the interest in the
Exploration Project it shares with its other project partners. Because each
Exploration Project consists of a bundle of assets which may or may not include
a working interest in the project, the Company's Project Interest simply
represents the Company's proportional ownership in the bundle of assets that
constitute the Exploration Project. Therefore, the Company's Project Interest in
an Exploration Project should not be confused with the working interest that the
Company will own when a given well is drilled. It is possible that while the
Company may own a 50.0% Project Interest, it may only be entitled to 25.0% of
the working interest involved in the Exploration Project. Each Exploration
Project represents a negotiated transaction between the project partners. The
Company's working interest may be higher or lower than its Project Interest.

         Certain projects are subject to an agreement with Seagull Energy E&P,
Inc. ("Seagull"), a subsidiary of Ocean Energy, Inc., which agreement provides
an option in favor of Seagull to acquire 50% of the Company's unproven interests
in the Mikeska and Hall Ranch projects for $6.5 million, plus, at Seagull's
option, 50% of the Company's unproven interests in the Orangedale, Verdad,
Hordes Creek and Riverdale projects for an additional $2.0 million. The option
must be exercised within 45 days of plugging or completion of two wells
anticipated to be drilled in the second quarter of 2000. (Said agreement is
referred to herein as the "Seagull Option Agreement").

         The following table sets forth certain information about each of the
Exploration Projects:

                              EXPLORATION PROJECTS

<TABLE>
<CAPTION>
                                              ACRES LEASED OR UNDER OPTION AT      SQUARE MILES OF
                                                     MARCH 27, 2000(1)            3-D SEISMIC DATA
                                           PROJECT        PROJECT      COMPANY       RELATING TO         PROJECT
PROJECT AREAS                               GROSS           NET          NET         PROJECT AREA       INTEREST(2)
- -------------------------------------    ----------    ------------   ---------   -----------------   --------------
<S>                                     <C>            <C>           <C>          <C>                <C>
SOUTH TEXAS
FRIO CORE AREA
    Allen Dome ......................       15,669        12,511         4,128            53             33.00%
    Gillock .........................       23,768        19,251         4,327            70             22.50%
    Blessing ........................          848           743           252            22             33.90%
    Tidehaven .......................        3,433         2,487         1,436            28             57.75%
    El Maton ........................        4,085         3,443         2,219            29             64.40%
    Midfield ........................        2,028         1,308           818            21             62.50%
    Markham .........................        1,857         1,857           731             5             39.00%
    Buckeye .........................        2,202         1,740           696            40             45.00%
    Duncan Slough ...................        3,644         1,940           796            25             40.90%
    Southwest Pheasant ..............        1,400         1,142           857            10             75.00%
    Geronimo ........................        7,318         7,239         3,040            76             42.00%
    Houston Endowment ...............        1,116         1,116           469            50             42.00%


                                        8


<PAGE>

<CAPTION>
                                              ACRES LEASED OR UNDER OPTION AT      SQUARE MILES OF
                                                     MARCH 27, 2000(1)            3-D SEISMIC DATA
                                           PROJECT        PROJECT      COMPANY       RELATING TO         PROJECT
PROJECT AREAS                               GROSS           NET          NET         PROJECT AREA       INTEREST(2)
- -------------------------------------    ----------    ------------   ---------   -----------------   --------------
<S>                                     <C>            <C>           <C>          <C>                <C>
    Wolf Point ......................          632           632           287             8             45.50%
    Piledriver ......................          640           640           400             2             62.50%
    Archie ..........................          903           826           150            14             18.13%
    Powerhorn/Matagorda Bay .........        1,707         1,707           276            30             15.00%
    Raymondville ....................       12,139        11,598         7,003            62             60.38%
                                         ----------    ------------   ---------   -----------------
                      Frio Sub-Total        83,389        70,180        27,885           545
WILCOX CORE AREA
    Hall Ranch(3) ...................        8,310         8,285         3,438            57             41.50%
    Hordes Creek(3) .................        4,730         4,683         1,943            25             41.50%
    Mikeska(3) ......................        8,185         7,828         2,974            32             38.00%
    Duval/McMullen ..................        1,980         1,980         1,782            10             90.00%
    Verdad(3) .......................        4,428         4,171         1,043            40             25.00%
    Orangedale(3) ...................        2,353         2,318         2,086            10             90.00%
    Riverdale(3) ....................        1,885         1,885           471            23             25.00%
                                         ----------    ------------   ---------   -----------------
                    Wilcox Sub-Total        31,871        31,150        13,737           197             25.00%
TEXAS HACKBERRY CORE AREA

    Lox B ...........................        7,699         4,191         1,048            62             25.00%
    West Port Acres .................          729           651            81            21             12.50%
    Big Hill/Stowell ................        1,462         1,333           444            56             33.33%
    Cheek ...........................        5,499         3,736           461            48             12.35%
    Lovells Lake ....................       10,536         8,671         1,086            65             12.53%
    West Beaumont ...................          865           694            53          22.5              7.67%
                                         ----------    ------------   ---------   -----------------
           Texas Hackberry Sub-Total        26,790        19,276         3,173         274.5
YEGUA CORE AREA
    Papalote(4) .....................       27,457        26,514         9,048            98             34.12%
    Mathis ..........................       13,083        12,694         5,077            40             40.00%
    TBC .............................       44,695        37,214        14,888            90             40.00%
    South Louisiana Eocene(4) .......       32,116        32,037         8,009            88             25.00%
                                         ----------    ------------   ---------   -----------------
                     Yegua Sub-Total       117,351       108,459        37,022           316
OTHER LOUISIANA
    Lapeyrouse ......................        3,539         2,429         1,093            35             45.00%
                                         ----------    ------------   ---------   -----------------
                 Louisiana Sub-Total         3,539         2,429         1,093            35
OTHER TEXAS
    East Texas Pinnacle Reef(5) .....          TBD           TBD           TBD           400             TBD
                                         ----------    ------------   ---------   -----------------
               Other Texas Sub-Total           TBD           TBD           TBD           400
MISSISSIPPI
    Thompson Creek ..................        1,399           962           899            12              9.50%
    Melvin ..........................          408           260            60            64             23.00%
                                         ----------    ------------   ---------   -----------------
               Mississippi Sub-Total         1,807         1,222           959            76
                                         ----------    ------------   ---------   -----------------

                  TOTAL ALL PROJECTS       264,747       232,716        83,869       1,843.5
                                         ==========    ============   =========   =================

</TABLE>

- ----------------
(1)      Project Gross acres refers to the number of acres within a project,
         Project Net refers to leaseable acreage by tract, Company Net acres are
         either leased or under option in which the Company owns an undivided
         interest. Company Net acres were determined by multiplying the project
         net acres leased or under option times the Company's working interest
         therein.

(2)      Each of the Exploration Projects differs in scope and character and
         consists of one or more types of assets, such as 3-D seismic data,
         leasehold positions, lease options, working interests in leases,
         royalty interests or other mineral rights. The Company's percentage
         interest in each Exploration Project (a "Project Interest") represents
         the portion of the interest in the Exploration Project it shares with
         its other project partners.


                                        9


<PAGE>


         Because each Exploration Project consists of a bundle of assets
         which may or may not include a working interest in the project, the
         Company's Project Interest simply represents the Company's
         proportional ownership in the bundle of assets that constitute the
         Exploration Project. Therefore, the Company's Project Interest in an
         Exploration Project should not be confused with the working interest
         that the Company will own when a given well is drilled. It is
         possible that while the Company may own a 50.0% Project Interest, it
         may only be entitled to 25.0% of the working interest involved in
         the Exploration Project. Each Exploration Project represents a
         negotiated transaction between the project partners. The Company's
         working interest may be higher or lower than its Project Interest.

(3)      Project is subject to reduction in ownership pursuant to the Seagull
         Option Agreement.

(4)      Proprietary 3-D seismic data is currently being shot over certain of
         these areas.

(5)      Consists of approximately 400 square miles of 3-D seismic data to which
         Aspect has rights pursuant to a license agreement, and to which the
         Company may acquire an interest pursuant to a geophysical technical
         services agreement with Aspect.

         EXPLORATION PROJECT AREA DESCRIPTIONS. The Company is focused on
certain core project areas along the Texas and Louisiana Gulf Coast where it has
pursued a trend strategy. Focusing on trends, as opposed to individual projects,
allows the Company the opportunity to gain and exploit regional knowledge,
develop competitive advantages and provide expansion room once concepts are
proven. The Company's four core trend areas are characterized by high reservoir
quality, an extensive knowledge base due to technical staff experience and
focus, and geophysical characteristics suitable to 3-D seismic imaging. The four
core trend areas are further described below:

         FRIO CORE AREA.

         In the Frio Trend, the Company has interests in 17 3-D seismic surveys
which cover approximately 550 square miles. It plans to drill approximately
twenty wells in the Frio Trend in 2000. This trend extends across the Texas Gulf
Coast from the Houston area to the border of Mexico. Esenjay has numerous
projects and prospects scattered throughout this large trend and has
significantly increased its planned capital expenditures in the trend as
compared with 1999. Its Raymondville Project in Willacy County, Texas is
included in the Frio Trend.

         WILCOX CORE AREA.

         In the Wilcox Trend, the Company has seven 3-D seismic surveys covering
approximately 200 square miles. It plans to drill approximately ten wells in the
Wilcox Trend in 2000. This trend extends through Texas from Louisiana to Mexico.
Production from the Wilcox ranges from the very shallow to over 16,000 feet in
depth. The Company's focus is on certain of the portions of the Wilcox Trend
generally located below 10,000 feet. These deeper portions have historically had
less total drilling and allow the Company ample room to expand its activities
should success in 2000 and beyond so warrant. It has significantly increased its
2000 capital budget (as compared to 1999) in this area which it believes to
represent exceptional upside potential. A portion of the Company's interests in
the Wilcox Trend are subject to the Seagull Option Agreement pursuant to which
Seagull has the right to acquire up to 50% of certain of the Company's unproven
interests for substantial cash consideration.

         TEXAS HACKBERRY CORE AREA.

         The Texas Hackberry Trend, sometimes referred to as the Hackberry
Embayment, is an area in which the Company has interests in six 3-D seismic
surveys covering approximately 275 square miles. It plans to drill at least six
wells in the Hackberry Trend in 2000. Based on its experience and the experience
of certain of its affiliates, the Company believes that the portions of the
Hackberry formation in geographical proximity to the Gulf of Mexico and the
Texas/Louisiana border have proven to be an excellent area for the use of 3-D
seismic data. Historical drilling in the Hackberry Sands has exhibited a low
success rate which has been greatly altered in the Company's experience in
projects in which it has participated in the Hackberry through the use of 3-D
seismic data. The Company has drilled 13 successful wells out of 18 attempts
utilizing modern 3-D seismic data. Included in the seismic evaluation of the
Texas Hackberry Trend has been significantly use of direct hydrocarbon detection
technologies.

         YEGUA CORE AREA.

         In the Yegua Trend, the Company currently has interests in two 3-D
seismic surveys. In addition, it has


                                        10

<PAGE>


three additional seismic shoots, two of which are underway and one is planned
for the year 2000. The Company will own interests in an aggregate of
approximately 400 square miles of 3-D seismic data in the trend in 2000. The
Company expects to drill approximately ten wells in the Yegua Trend in 2000.
This trend extends from Beauregard Parish, Louisiana, to San Patricio County,
Texas, and is generally characterized by structural and stratigraphically
trapped hydrocarbons which may appear on 3-D seismic data as seismic
anomalies. Although estimated drilling plans for 2000 are preliminary in that
certain of the seismic data has not yet been analyzed, the Company believes
that the area is comprised of physical characteristic such that it will be
well situated for direct hydrocarbon detection technologies.

         OTHER AREAS

         The Company is active in other projects which are not focused on
particular trends but which create more project specific drilling opportunities.
This includes the Lapeyrouse project in Louisiana and certain other project
areas in Texas and Mississippi. The Company expects to drill several wells in
2000 in certain of these distinct project areas.

CAEX TECHNOLOGY AND 3-D SEISMIC

         The Company, either directly or through its partners, uses CAEX
technology to collect and analyze geological, geophysical, engineering,
production and other data obtained about potential gas or oil prospects. The
Company uses this technology to correlate density and sonic characteristics of
subsurface formations obtained from 2-D seismic surveys with like data from
similar properties, and uses computer programs and modeling techniques to
determine the likely geological composition of a prospect and potential
locations of hydrocarbons.

         Once all available data has been analyzed to determine the areas with
the highest potential within a prospect area, the Company may conduct 3-D
seismic surveys to enhance and verify the geological interpretation of the
structure, including its location and potential size. The 3-D seismic process
produces a three-dimensional image based upon seismic data obtained from
multiple horizontal and vertical points within a geological formation. The
calculations needed to process such data are made possible by computer programs
and advanced computer hardware.

         While large oil companies have used 3-D seismic and CAEX technologies
for approximately 20 years, these methods were not affordable by smaller,
independent gas and oil companies until more recently, when improved data
acquisition equipment and techniques and computer technology became available at
reduced costs. The Company began using 3-D seismic and CAEX technologies in 1992
and is using these technologies on a continuing basis. The Company believes its
use of CAEX and 3-D seismic technology may provide it with certain advantages in
the exploration process over those companies that do not use this technology.
These advantages include better delineation of the subsurface, which can reduce
exploration risks and help optimize well locations in productive reservoirs. The
Company believes these advantages can be readily validated based upon general
industry experience as well as its own results in 1999. Because computer
modeling generally provides clearer and more accurate projected images of
geological formations, the Company believes it is better able to identify
potential locations of hydrocarbon accumulations and the desirable locations for
wellbores. Although the Company has used the technology effectively in 1999, its
history is not extensive enough to arrive at any final conclusion regarding the
Company's ability to interpret and use the information developed from the
technology.

EXPLORATION AND DEVELOPMENT

         The Company considers the Gulf Coast to be the premier area in the
United States to explore for significant new reserves. This conclusion is based
on several characteristics including (i) a large number of productive intervals
throughout a significant sedimentary section, (ii) numerous wells with which to
calibrate 3-D seismic data and (iii) complicated geological formations that the
Company believes 3-D seismic technology is particularly well suited to
interpretation. In 1994, the Company began devoting more of its energy to the
Gulf Coast region. The Company initially entered this area by evaluating the
onshore shallow Frio/Miocene Trend. Its emphasis expanded to include larger
exploration targets represented by large geological features such as those
present in the Starboard Project. Upon completion of the Acquisitions, the
Company spread its focus over an array of exploration projects along the Gulf
Coast and intends to expand its project inventory in these areas. The Company's
Exploration Project inventory is along the Gulf Coast of Texas, Louisiana,
Alabama and Mississippi. The focus is on natural gas exploration


                                        11


<PAGE>


prospects with a numerical concentration along the Texas Gulf Coast, many of
which were delineated by seismic hydrocarbon indicators. Additional 2-D and
3-D seismic surveys may be required to evaluate these areas more fully, and
when determined appropriate, the Company intends to acquire acreage and drill
wells as indicated by the evaluations.

         The Company intends to drill prospects where the formations being
tested are known to be productive in the general area and where it believes
3-D seismic can be used to increase resolution and thereby reduce risk. The
extent to which the Company will pursue its activities in the onshore Gulf
Coast region will be determined by the availability of the Company's
resources and the availability of joint venture partners.

ACQUISITIONS AND DIVESTMENTS

         The Company has periodically acquired producing natural gas and oil
properties. In connection with each acquisition, the Company considers (i)
current and historic production levels and reserve estimates, (ii) additional
exploration and exploitation potential via technology enhancements; (iii)
capital requirements; (iv) proximity of product markets; (v) regulatory
compliance; (vi) acreage potential; and (vii) existing production
transportation capabilities. The Company also considers the historic
financial operating results and cash flow potential of each acquisition
opportunity. Evaluation of the merits of a particular acquisition is based,
to the extent relevant, on all of the above factors as well as other factors
deemed relevant by the Company's management.

         The Company has currently de-emphasized its producing property
acquisition activities. The Company intends to limit its near term producing
property acquisitions to opportunities that facilitate its exploration
activities. The Company may readdress this approach if it identifies an
opportunity it believes to be of exceptional benefit to its shareholders.

HEDGING ACTIVITIES AND MARKETING

         The Company markets its natural gas through monthly spot sales.
Because sales made under spot sales contracts result in fluctuating revenues
to the Company depending upon the market price of gas, the Company may enter
into various hedging agreements to minimize the fluctuations and the effect
of price declines or swings. In October of 1998, the Company entered into two
swap agreements, one for 4,000 MMBtu's per day of its Gulf Coast natural gas
production for $2.14 per MMBtu for the period beginning November 1998 and
ending in October 1999, and the second one for 700 MMBtu's per day of its
Gulf Coast natural gas production for $2.13 per MMBtu for the period
beginning November 1998 and ending in October 1999. Both of these swap
agreements were supplemented in December 1998 when the Company entered into
additional swap agreements, one of which was for 4,000 MMBtu's per day of its
Gulf Coast natural gas production for $2.07 per MMBtu for the period
beginning November 1999 and ending in October 2000, and the second one was
for 700 MMBtu's per day of its Gulf Coast natural gas production for $2.07
per MMBtu for the period beginning November 1999 and ending in October 2000.
In September of 1999, the Company entered into a series of swap agreements on
additional natural gas and oil production. It hedged 5,000 MMBtu's per day of
natural gas for the months of September through December 1999 at a price of
$3.055 per MMBtu, it hedged 3,000 MMBtu's per day for the period of January
through March of 2000, 2,400 MMBtu's per day for the period April through
June of 2000, and 1,700 MMBtu's per day for the period of July through
September of 2000, the latter three hedges of which were all at a price of
$2.68 per MMBtu.

         In February of 2000, in conjunction with its financing with Deutsche
Bank, the Company restructured all existing natural gas hedges with an
affiliate of Deutsche Bank. Pursuant to these hedges, the Company now has
9,381 MMBtu/day of net production hedged in March, 2000, 9,031 MMBtu/day
hedged for the second quarter of 2000, 8,646 MMBtu/day for the third quarter
of 2000, 8,278 MMBtu/day for the fourth quarter of 2000, 7,161 MMBtu/day for
the first quarter of 2001, 6,880 MMBtu/day for the second quarter of 2001,
6,600 MMBtu/day for the third quarter of 2001, and 6,319 MMBtu/day for the
fourth quarter of 2001. All hedges are at $2.45 per MMBtu. Concurrent with
the restructuring of the hedges, the Company was relieved of any liability or
rights pursuant to all previously existing natural gas hedges.

         In September of 1999, the Company entered into a "collar" hedge
arrangement on certain of its oil production. It entered into an oil hedge for a
quantity equal to 300 barrels of oil per day in the fourth quarter of 1999, 280
barrels of oil per day in the first quarter of 2000, 256 barrels of oil per day
in the second quarter of 2000,

                                        12


<PAGE>


and 237 barrels of oil per day in the third quarter of 2000, all of which
transactions were structured with an $18.00 floor price and a $20.40 cap
price. These positions were supplemented with oil hedges for 238 barrels of
oil per day in the fourth quarter of 2000, and 175 barrels of oil per day,
168 barrels of oil per day, 161 barrels of oil per day and 154 barrels of oil
per day for the first through fourth quarters of 2001, respectively, all of
which supplemental hedges were at $21.03 per barrel.

         As a result of the above-referenced transactions, the Company has
hedged varying quantities of its natural gas and oil production through
December of 2001. First quarter 2000 hedges are estimated to approximate 68%
of the Company's natural gas and 53% of its oil production for such quarter.
Future percentages will vary.

         The Company expects that its daily production will continue to
increase rapidly and it will periodically consider additional hedge
transactions consistent with its ongoing policy. Its policy is to
periodically review its projected natural gas production from proved
developed properties in light of then current market conditions. Its
objective is to seek to prudently stabilize its future cash flows from proven
producing properties. It believes that as it continues to expand its drilling
budget this methodology allows it to have more control over its short-term
cash flow while not giving up the upside potential in its future revenues, a
substantial portion of which it projects to be from properties within its
project inventory which are yet to be drilled.

         All of the Company's oil production is now sold under
market-sensitive or spot price contracts. The Company's revenues from oil
sales fluctuate depending upon the market price of oil. No purchaser
accounted for more than 10% of the Company's total revenue in 1998. In 1999,
purchasers accounting for more than 10% of the Company's total revenue were
Coral Energy Resources, L.P., Pan Energy Marketing Company, Duke Energy
Trading & Marketing LLC and Duke Energy Field Services, Inc. The Company does
not believe the loss of any existing purchaser would have a material adverse
effect on the Company.

         The Company previously had a credit facility with Duke Energy Financial
Services, Inc., pursuant to which an ongoing agreement was established which
still allows the lender the right to gather, process, transport and market, at
competitive market rates, natural gas produced from a majority of the
Exploration Projects through December 31, 2005.

OPERATING HAZARDS AND INSURANCE

         The gas and oil business involves a variety of operating risks,
including the risk of fire, explosions, blow-outs, pipe failure, abnormally
pressured formations, and environmental hazards such as oil spills, gas leaks,
ruptures or discharges of toxic gases, the occurrence of any of which could
result in substantial losses to the Company due to injury or loss of life,
severe damage to or destruction of property, natural resources and equipment,
pollution or other environmental damage, cleanup responsibilities, regulatory
investigation and penalties and suspension of operations.

         The Company maintains a gas and oil lease operator insurance policy
that insures the Company against certain sudden and accidental risks associated
with drilling, completing and operating its wells. There can be no assurance
that this insurance will be adequate to cover any losses or exposure to
liability. The Company also carries comprehensive general liability policies and
an umbrella policy. The Company and its subsidiaries carry workers' compensation
insurance in all states in which they operate. The Company maintains various
bonds as required by state and federal regulatory authorities. Although the
Company believes these policies are customary in the industry, they do not
provide complete coverage against all operating risks. An uninsured or partially
insured claim, if successful and of sufficient magnitude, could have a material
adverse effect on the Company and its financial condition. If the Company
experiences significant claims or losses, the Company's insurance premiums could
be increased which may adversely affect the Company and its financial condition
or limit the ability of the Company to obtain coverage. Any difficulty in
obtaining coverage may impair the Company's ability to engage in its business
activities.

REGULATION

         GENERAL. The gas and oil industry is extensively regulated by federal,
state and local authorities. In particular, gas and oil production operations
and economics are affected by price controls, environmental protection

                                        13


<PAGE>


statutes, tax statutes and other laws and regulations relating to the
petroleum industry, as well as changes in such laws, changing administrative
regulations and the interpretations and application of such laws, rules and
regulations. Gas and oil industry legislation and agency regulation are under
constant review for amendment and expansion for a variety of political,
economic and other reasons. Numerous regulatory authorities, federal, and
state and local governments issue rules and regulations binding on the gas
and oil industry, some of which carry substantial penalties for failure to
comply. The regulatory burden on the gas and oil industry increases the
Company's cost of doing business and, consequently, affects its
profitability. The Company believes it is in compliance with all federal,
state and local laws, regulations and orders applicable to the Company and
its properties and operations, the violation of which would have a material
adverse effect on the Company or its financial condition.

         SEISMIC PERMITS. Current law in the State of Louisiana requires permits
from owners of at least an undivided 80% interest in each tract over which the
Company intends to conduct seismic surveys. As a result, the Company may not be
able to conduct seismic surveys covering its entire area of interest. Moreover,
3-D seismic surveys typically are conducted from various locations both inside
and outside the area of interest to obtain the most detailed data of the
geological features within the area. To the extent that the Company is unable to
obtain permits to access locations to conduct the seismic surveys, the data
obtained may not be as detailed as might otherwise be available. In addition, a
recent decision of a federal district court in Louisiana casts doubt on
traditional seismic permitting practices. In some instances the surface owner
could be deemed the owner of seismic information shot across its lands.
Recently, the Fifth Circuit Court of Appeals, by decision issued January 21,
2000, reversed and remanded this case to the Louisiana federal district court.
Until this matter is finally resolved, the Company cannot predict its effect on
the Company's seismic operations.

         EXPLORATION AND PRODUCTION. The Company's operations are subject to
various regulations at the federal, state and local levels. Such regulations
include (i) requiring permits for the drilling of wells; (ii) maintaining
bonding requirements to drill or operate wells; and (iii) regulating the
location of wells, the method of drilling and casing wells, the surface use and
restoration of properties upon which wells are drilled, the plugging and
abandoning of wells and the disposal of fluids used in connection with well
operations. The Company's operations also are subject to various conservation
regulations. These include the regulation of the size of drilling and spacing
units, the density of wells that may be drilled, and the unitization or pooling
of gas and oil properties. In addition, state conservation laws establish
maximum rates of production from gas and oil wells, generally prohibiting the
venting or flaring of gas, and impose certain requirements regarding the
ratability of production. The effect of these regulations is to limit the amount
of gas and oil the Company can produce from its wells and to limit the number of
wells or the locations at which the Company can drill.

         NATURAL GAS MARKETING, GATHERING AND TRANSPORTATION. Federal
legislation and regulatory controls in the United States have historically
affected the price of the natural gas produced by the Company and the manner in
which such production is marketed. The transportation and sale for resale of
natural gas in interstate commerce are regulated by the Federal Energy
Regulatory Commission ("FERC") pursuant to the Natural Gas Act and to a lesser
extent the Natural Gas Policy Act of 1978 ("NGPA"). Sales of the Company's
natural gas currently are made at market prices, subject to applicable contract
provisions.

         The FERC also regulates interstate natural gas transportation rates and
service conditions, which affect the marketing of natural gas produced by the
Company, as well as the revenues received by the Company for sales of such
natural gas. Since the latter part of 1985, the FERC has endeavored to make
interstate natural gas transportation more accessible to gas buyers and sellers
on an open and nondiscriminatory basis. The FERC's efforts have significantly
altered the marketing and transportation of natural gas. The result of the FERC
initiatives has been to substantially reduce or eliminate the interstate
pipelines' traditional role as wholesalers of natural gas, and has substantially
increased competition and volatility in natural gas markets. Although the FERC
is increasingly employing "light-handed" regulation, regulation remains an
important factor in the natural gas industry. In 2000 FERC issued Order 637
which continues the recent trend toward market-based pricing of pipeline
transportation services in certain circumstances. Although it is difficult to
predict when all appeals of pipeline restructuring orders will be completed or
their impact on the Company, the Company does not believe that it will be
affected by the restructuring rule and orders any differently than other natural
gas producers and marketers with which it competes.

         Additional proposals and proceedings that might affect the natural gas
industry are considered from time to time by Congress, the FERC, state
regulatory bodies and the courts. The Company cannot predict when or if any

                                        14


<PAGE>


such proposals might become effective, or their effect, if any, on the
operations of the Company. The natural gas industry historically has been
very heavily regulated; therefore, there is no assurance that the less
stringent regulatory approach recently pursued by the FERC and Congress will
continue indefinitely into the future. The regulatory burden on the oil and
natural gas industry increases the Company's cost of doing business and,
consequently, affects its profitability and cash flow. In as much as such
laws and regulations are frequently expanded, amended or reinterpreted, the
Company is unable to predict the future cost or impact of complying with such
regulations.

         FEDERAL LEASES. We have oil and gas leases in the Gulf of Mexico, which
were granted by the federal government and are administered by the United States
Department of the Interior Minerals Management Service (the "MMS"). For offshore
operations, lessees must obtain MMS approval of exploration, development and
production plans prior to the commencement of these operations. In addition to
permits required from other agencies (such as the Coast Guard, the Army Corps of
Engineers and the United States Environmental Protection Agency (the "EPA")),
lessees must obtain a permit from the MMS prior to the commencement of drilling.
The MMS has enacted regulations requiring offshore production facilities located
on the Outer Continental Shelf ("OCS") to meet stringent engineering,
construction and safety specifications. Similarly, the MMS has enacted other
regulations governing the plugging and abandoning of wells located offshore and
the removal of all production facilities. Lessees must also comply with detailed
MMS regulations governing the calculation of royalty payments and the valuation
of production and permitted cost deductions for that purpose. On March 15, 2000,
the MMS issued a final rule, to be effective June 1, 2000, modifying the
valuation procedures for the calculation of royalties owed for crude oil sales.
When oil production sales are not in arms-length transactions, the new royalty
calculation will base the valuation of oil production on spot market prices
instead of the posted prices that were previously utilized. The main thrust of
the new rule is to move the valuation point for royalty calculation purposes
from the wellhead to sales points located downstream without allowing deductions
for the cost of moving the oil to the downstream sales point.

         With respect to any operations conducted on offshore federal leases,
liability may generally be imposed under the Outer Continental Shelf Lands Act
(the "OCSLA") for costs of clean-up and damages caused by pollution resulting
from these operations, other than damages caused by acts of war or the
negligence of third parties. To cover the various obligations of lessees on the
OCS, the MMS generally requires that lessees post substantial bonds or other
acceptable assurances that these obligations will be met. Since November 26,
1993, new levels of lease and areawide bonds have been required of lessees
taking certain actions with regard to OCS leases. Operators in the OCS waters of
the Gulf of Mexico were required to increase their areawide bonds and individual
lease bonds to $3 million and $1 million, respectively, unless the MMS allowed
exemptions or reduced amounts. The MMS also has discretionary authority to
require supplemental bonding in addition to the foregoing required bonding
amounts but this authority is only exercised on a case-by-case basis at the time
of filing an assignment of record title interest for MMS approval.

         LOUISIANA LEGISLATION. The Louisiana legislature passed Act 404 in
1993, which permits a party transferring an oil field site to establish a
site-specific trust account for such oil field. If the site-specific trust
account is established in accordance with the requirements of the statute, the
party transferring the oil field site shall not thereafter be held liable by the
state for any site restoration costs or actions associated with the transferred
oil field site. The parties to a transfer may elect not to establish a
site-specific trust account, however, in the absence of such an account, the
transferring party will continue to have liability for the costs of restoration
of the site. If the parties to a transfer elect to establish a site-specific
trust account pursuant to the statute, the Louisiana Department of Natural
Resources ("DNR") requires an oil field site restoration assessment to be made
at the time of the transfer or within one year thereafter, to determine the site
restoration requirements existing at the time of transfer. Based upon the site
restoration assessment, the parties to the transfer must propose to the DNR a
funding schedule for the site-specific trust account, providing for some
contribution to the account at the time of transfer and at least quarterly
payment thereafter. If the DNR approves the establishment and funding of the
site-specific trust account, the purchaser will thereafter be the responsible
party to the state, except that the failure of a transferring party to make a
good faith disclosure of all oil field site conditions existing at the time of
the transfer will render that party liable for the costs of restoration of such
undisclosed conditions in excess of the balance of the site-specific trust fund.

         OIL SALES AND TRANSPORTATION RATES. The FERC also regulates rates and
service conditions for interstate transportation of crude oil, liquids and
condensate, which can affect the amount the Company receives from the sale of
these products. Rates for such transportation are generally subject to an
indexing system under which rates may

                                        15


<PAGE>


be increased as long as they do not exceed an index rate that is tied to
inflation. Over time, this indexing system could have the effect of
increasing the cost of transporting crude oil, liquids and condensate by
pipeline. Sales of crude oil, condensate and gas liquids by the Company are
not regulated and are made at market prices. The price the Company receives
from the sale of these products is affected by the cost of transporting the
products to market.

          ENVIRONMENTAL MATTERS. The Company's oil and natural gas
exploration, development and production operations are subject to stringent
federal, state and local laws and regulations governing the discharge of
materials into the environment or otherwise relating to environmental
protection. Numerous governmental agencies, such as the U.S. Environmental
Protection Agency ("EPA"), issue regulations to implement and enforce such
laws, which often require difficult and costly compliance measures that carry
substantial administrative, civil and criminal penalties or may result in
injunctive relief for failure to comply. These laws and regulations may
require the acquisition of a permit before drilling commences, restrict the
types, quantities and concentrations of various substances that can be
released into the environment in connection with drilling and production
activities, limit or prohibit construction or drilling activities on certain
lands lying within wilderness, wetlands, ecologically sensitive and other
protected areas, require remedial action to prevent pollution from former
operations, such as plugging abandoned wells, or closing pits, and impose
substantial liabilities for pollution resulting from the Company's
operations. In addition, these laws and regulations may restrict the rate of
oil and natural gas production below the rate that would otherwise exist. The
regulatory burden on the oil and gas industry increases the cost of doing
business and consequently affects its profitability. Changes in environmental
laws and regulations occur frequently, and any changes that result in more
stringent and costly waste handling, storage, transport, disposal or cleanup
requirements could have a material adverse effect on the Company's operations
and financial position, as well as those of the oil and gas industry in
general. While management believes that the Company is in substantial
compliance with current applicable environmental laws and regulations and the
Company has neither experienced any material adverse effect nor expects any
significant capital expenditures from compliance with these environmental
requirements, there is no assurance that this trend will continue in the
future.

         The Comprehensive Environmental Response, Compensation and Liability
Act, as amended ("CERCLA"), also known as "Superfund," and comparable state
laws impose liability without regard to fault or the legality of the original
conduct, on certain classes of persons who are considered to be responsible
for the release of a "hazardous substance" into the environment. These
persons include (i) the current owner and operator of a facility from which
hazardous substances are released, (ii) owners and operators of the facility
at the time the disposal of hazardous substances took place, (iii) generators
of hazardous substances who arranged for the disposal or treatment at or
transportation to such facility of hazardous substances and (iv) transporters
of hazardous substances to disposal or treatment facilities selected by them.
Under CERCLA, such persons may be subject to joint and several liability for
the costs of cleaning up the hazardous substances that have been released
into the environment, for damages to natural resources and for the costs of
certain health studies, and it is not uncommon for neighboring landowners and
other third parties to file claims for personal injury and property damage
allegedly caused by the release of hazardous substances or other pollutants
into the environment. Furthermore, although petroleum, including crude oil
and natural gas, is exempt from CERCLA, at least two courts have ruled that
certain wastes associated with the production of crude oil may be classified
as "hazardous substances" under CERCLA, and thus such wastes may become
subject to liability and regulation under CERCLA. Regulatory programs aimed
at remediation of environmental releases could have a similar impact on the
Company.

         The Resource Conservation and Recovery Act, as amended ("RCRA"),
generally does not regulate most wastes generated by the exploration and
production of oil and gas. RCRA specifically excludes from the definition of
hazardous waste "drilling fluids, produced waters, and other wastes
associated with the exploration, development, or production of crude oil,
natural gas or geothermal energy." However, these wastes may be regulated by
EPA or state agencies as solid waste. Moreover, ordinary industrial wastes,
such as paint wastes, waste solvents, laboratory wastes, and waste compressor
oils, may be regulated as hazardous waste. Pipelines used to transfer oil and
gas may also generate some hazardous wastes. Although the costs of managing
solid and hazardous waste may be significant, the Company does not expect to
experience more burdensome costs than similarly situated companies involved
in oil and gas exploration and production.

         The Company currently owns or leases, and has in the past owned or
leased, numerous properties that for many years have been used for the
exploration and production of oil and gas. Although the Company has used
operating and disposal practices that were standard in the industry at the
time, hydrocarbons or other wastes may


                                        16


<PAGE>


have been disposed of or released on or under the properties owned or leased
by the Company or on or under other locations where such wastes have been
taken for disposal. In addition, many of these properties have been operated
by third parties whose treatment and disposal or release of hydrocarbons or
other wastes was not under the Company's control. These properties and the
wastes disposed thereon may be subject to CERCLA, RCRA, and analogous state
laws. Under such laws, the Company could be required to remove or remediate
previously disposed wastes (including waste disposed of or released by prior
owners or operators), or property contamination (including groundwater
contamination by prior owners or operators), or to perform remedial plugging
or pit closure operations to prevent future contamination.

         The Federal Water Pollution Control Act of 1972 as amended ("FWPCA"),
also known as the Clean Water Act ("CWA") and analogous state laws, impose
restrictions and strict controls regarding the discharge of pollutants including
produced waters and other oil and gas wastes, into state waters or waters of the
United States. The discharge of pollutants into regulated waters is prohibited,
except in accord with the terms of a permit issued by EPA or the state. These
proscriptions also prohibit certain activity in wetlands unless authorized by a
permit issued by the U.S. Army Corps of Engineers. Sanctions for unauthorized
discharges include administrative, civil and criminal penalties, as well as
injunctive relief.

         The Oil Pollution Act of 1990, as amended ("OPA"), pertains to the
prevention of and response to spills or discharges of hazardous substances or
oil into navigable waters of the United States. Under OPA, a person owning or
operating a facility or equipment (including land drilling equipment) from which
there is a discharge or threat of a discharge of oil into or upon navigable
waters or adjoining shorelines is liable, regardless of fault, as a "responsible
party" for removal costs and damages. Federal law imposes strict, joint and
several liability on facility owners for containment and clean-up costs and
certain other damages, including natural resource damages, arising from a spill.
The OPA establishes a liability limit for onshore facilities of $350 million;
however, a party cannot take advantage of this liability limit if the spill is
caused by gross negligence or willful misconduct or resulted from a violation of
a federal safety, construction, or operating regulation. If a party fails to
report a spill or cooperate in the cleanup, the liability limits otherwise do
not apply. Federal regulations under the OPA and FWPCA also require certain
owners and operators of facilities that store or otherwise handle oil, such as
the Company, to prepare and implement spill prevention, control and
countermeasure plans and spill response plans relating to possible discharge of
oil into surface waters. The Company believes that it is in substantial
compliance with the requirements of the OPA and FWPCA and that any
non-compliance would not have a material adverse effect on the Company.

         The Oil Spill Prevention and Response Act. To complement OPA `90, the
State of Texas enacted the Oil Spill Prevention and Response Act ("OSPRA"). The
Texas General Land Office ("GLO") is the lead agency for carrying out the OSPRA,
and to that extent the GLO has promulgated regulations affecting anyone who owns
or operates a vessel or facility that stores or transfers oil in areas when a
spill could reach Texas coastal waters.

COMPETITION

         The gas and oil industry is highly competitive in all of its phases.
The Company encounters strong competition from other gas and oil companies in
all areas of its operations, including the acquisition of exploratory and
producing properties, the permitting and conducting of seismic surveys and the
marketing of gas and oil. Many of these competitors possess greater financial,
technical and other resources than the Company. Competition for the acquisition
of producing properties is affected by the amount of funds available to the
Company, information about producing properties available to the Company and any
standards the Company establishes from time to time for the minimum projected
return on investment. Competition also may be presented by alternative fuel
sources, including heating oil and other fossil fuels. There has been increased
competition for lower risk development opportunities and for available sources
of financing. In addition, the marketing and sale of natural gas and processed
gas are competitive. Because the primary markets for natural gas liquids are
refineries, petrochemical plants and fuel distributors, prices generally are set
by or in competition with the prices for refined products in the petrochemical,
fuel and motor gasoline markets.

FACILITIES

         The Company leases approximately 7,600 square feet of office space in
Houston, Texas, at an annual rent of $120,463. The lease expires in September
2001. The Company leases approximately 13,300 square feet of office


                                        17


<PAGE>


space in Corpus Christi, Texas. The annual rent is $168,137, and the Lease
expires on June 30, 2003. The Company currently has more office space than it
needs in Corpus Christi, and has sublet a portion of its office space.

EMPLOYEES

         The Company has 12 full-time employees in its Houston, Texas office,
and 28 employees in its Corpus Christi, Texas office. Their functions include
management, production, engineering, geology, geophysics, land, legal, gas
marketing, accounting, financial planning and administration. Certain operations
of the Company's field activities are accomplished through independent
contractors who are supervised by the Company. The Company believes its
relations with its employees and contractors are good. No employees of the
Company are represented by a union.

ITEM 2.  DESCRIPTION OF PROPERTY

PRINCIPAL AREAS OF OPERATIONS

         The Company owns and operates producing properties located in four
states with proved reserves located primarily in Louisiana and Texas. Daily
production from both operated and non-operated wells net to the Company's
interest averaged 9,290 Mcf per day and 276 Bbls of oil per day for the year
ended December 31, 1999 and 14,478 Mcf per day and 487 Bbls of oil per day for
the quarter ended December 31, 1999. These properties have provided most of the
Company's revenues to date.

DRILLING ACTIVITY

         From November 1, 1997 (the effective date of the Acquisitions) through
December 31, 1998, 24 exploratory wells were drilled for the Company's account,
of which 12 were completed and 11 were dry holes. In 1999, 23 exploratory and 6
developmental wells were drilled and logged for the Company's account of which
20 were completed as of March 28, 2000, 2 were waiting on completion and/or
pipelines, and 7 were dry holes, one of which logged productive but had
completion problems and will be redrilled.

         The following table sets forth certain information regarding the actual
drilling results for each of the years 1997, 1998 and 1999 as to wells drilled
in each such individual year.


<TABLE>
<CAPTION>

                                                                   Exploratory                Development
                                                                      Wells                      Wells
                                                                -------------------        -------------------
                                                                  Gross     Net             Gross      Net
                                                                  -----     ---             -----      ---
         <S>                                                    <C>        <C>             <C>        <C>
           1997
           ----
              Productive.......................................    ---       ---                2      0.04
              Dry..............................................      6      0.32              ---       ---
           1998
           ----
              Productive ......................................     13      3.05              ---       ---
              Dry..............................................     11      2.10              ---       ---
           1999
           ----
              Productive ......................................     16      2.41                6      1.46
              Dry..............................................      7      0.87              ---       ---

</TABLE>

         Through the first quarter of 2000, the Company participated in the
drilling of 7 additional exploratory wells and 3 additional development wells,
of which 1 had been completed, 2 are awaiting completion, 5 were dry holes and 2
were drilling. Dry hole costs net to the Company for the first quarter of 2000
are estimated to be less than $1 million.


                                        18


<PAGE>



PRODUCTIVE WELL SUMMARY

         The following table sets forth certain information regarding the
Company's ownership as of December 31, 1999 of productive gas and oil wells in
the areas indicated.


<TABLE>
<CAPTION>
                                                                               Gas                     Oil
                                                                       --------------------    --------------------
                                                                       Gross        Net          Gross       Net
                                                                       --------    --------    --------    --------
          <S>                                                         <C>          <C>         <C>        <C>
           Texas .................................................       36           8.68        12        1.81
           Oklahoma ................................................      4           1.03         3         .26
           Louisiana ...............................................      1            .08        --          --
           Kansas ..................................................      1            .10        --          --
           Alabama..................................................      --             --        1         .17
                                                                       --------    --------    --------    --------
               Total ...............................................     42           9.89        16        2.24
                                                                       ========    ========    ========    ========
</TABLE>

VOLUMES, PRICES AND PRODUCTION COSTS

         The following table sets forth certain information regarding the
production volumes, average prices received (net of transportation) and average
production costs associated with the Company's sale of gas and oil for the
periods indicated.
<TABLE>
<CAPTION>
                                                                       Year Ended December 31,
                                                                   ---------------------------------
                                                                        1999               1998
                                                                   ----------------    -------------
   <S>                                                            <C>                 <C>
   Net Production:
           Oil (Bbl) .......................................          100,559                8,878
           Gas (Mcf) .......................................        3,381,592              653,325
           Gas equivalent (Mcfe) ...........................        3,984,946(1)           706,593
   Average sales price:
           Oil ($ per Bbl) .................................       $    18.37(2)        $    10.92
           Gas ($ per Mcf) .................................       $     2.35(2)        $     1.95(2)
   Average production expenses and taxes ($ per Mcfe).......       $      .35           $     0.52

</TABLE>

  (1)  The majority of the net production is attributable to the fourth quarter
       of 1999, during which time additional exploration discoveries commenced
       production.
  (2) Average sales prices include the Company's hedging instruments for oil and
      gas.

  LEASEHOLD ACREAGE

         The following table sets forth as of December 31, 1999, the gross and
net acres of proved developed and proved undeveloped and unproven gas and oil
leases which the Company holds or has the right to acquire.
<TABLE>
<CAPTION>
                                        PROVED DEVELOPED         PROVED UNDEVELOPED             UNPROVEN
                                     --------------------      --------------------       -------------------
      STATE                            GROSS          NET        GROSS          NET        GROSS          NET
      -----                          -------      -------      -------      -------      -------      -------
    <S>                             <C>          <C>          <C>           <C>          <C>         <C>
      Alabama .................           82           19          ---          ---          113           22
      Arkansas ................          ---          ---          ---          ---        6,360        2,544
      Kansas ..................          640           31          ---          ---          ---          ---
      Louisiana ...............          225           17          ---          ---       44,666       12,850
      Mississippi .............          ---          ---          ---          ---        1,807          934
      Oklahoma ................        2,198           51          ---          ---       12,909        3,727
      Texas ...................        8,254        2,004          203           26      183,278       61,608
                                     -------      -------      -------      -------      -------      -------
              Total ...........       11,399        2,122          203           26      249,133       81,685
                                     =======      =======      =======      =======      =======      =======
</TABLE>


                                        19


<PAGE>



TITLE TO PROPERTIES

         Title to properties is subject to royalty, overriding royalty, carried
working, net profits, working and other similar interests and contractual
arrangements customary in the gas and oil industry, liens for current taxes not
yet due and other encumbrances. As is customary in the industry in the case of
undeveloped properties, little investigation of record title is made at the time
of acquisition (other than a preliminary review of local records).
Investigations including a title opinion of local counsel generally are made
before commencement of drilling operations. The Company has granted to an
affiliate of a major public utility a mortgage on its interest in the Starboard
Project to secure repayment of the funding provided by the affiliate and
relating to the prospect, and has granted to Deutsche Bank AG, New York Branch a
mortgage or a right to file a mortgage on virtually all remaining gas and oil
properties to secure repayment of its credit facility with the bank.

ITEM 3.  LEGAL PROCEEDINGS

         The Company currently has no action filed against it other than
ordinary routine litigation.

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

         There were no such matters submitted in the fourth quarter of 1999.

                                        20

<PAGE>


                                     PART II

ITEM 5.  MARKET FOR COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

         On November 12, 1993, the Company's predecessor, Frontier Natural
Gas Corporation's common stock, its Convertible Preferred Stock and its
Series A Warrants were all admitted to trading on the NASDAQ Small Cap Market
under the symbols "FNGC" for its common stock, "FNGCP" for its Convertible
Preferred Stock, and "FNGCW" for its Series A Warrants. All of the issued and
outstanding Convertible Preferred Stock was redeemed in June of 1998. The
Series A Warrants expired in November of 1998. On August 9, 1996, Frontier
Natural Gas Corporation's Series B Warrants were admitted to trading on the
NASDAQ Small Cap Market under the symbol "FNGCZ". In May of 1998 the Company
reincorporated in the State of Delaware and changed its name to Esenjay
Exploration, Inc. Its common stock trading symbol changed to "ESNJ" and its
Series B Warrant symbol to "ESNJZ". The Series B Warrants ceased to be listed
on the NASDAQ Small Cap Market in February of 1999 due to insufficient market
makers and are not currently listed on any national market. There have been
no reported trades of the Series B Warrants since that time. The Series B
Warrants are exercisable for $12.15 per share of common stock of the Company,
and expire on the earlier of August 8, 2001 or such time as the stock trades
over $24.30 for twenty consecutive days.

         On September 23, 1999, the Company acquired 3DX Technologies Inc. via
merger. The price of the acquisition was approximately $7.4 million, of which
$6.7 million was in the Company's common stock and $0.7 million was in the
Company preferred stock. As a result, Esenjay issued 356,999 shares of new
convertible preferred stock which may be redeemed at Esenjay's sole option until
September 23, 2000 at $1.925 per share. If not redeemed by that time, the
preferred stock will automatically convert into one share of Esenjay common
stock on October 1, 2000 if the average closing price of Esenjay common stock is
greater than or equal to $1.875 during the month of September 2000. If the
Esenjay common stock averages less than $1.875 in September of 2000, the
preferred holder has the right, during the month of October 2000, to "put" the
shares to Esenjay. If "put", Esenjay will then have the obligation, at its
option, to either retire the convertible preferred stock for $1.65 in cash or
for shares of Esenjay common stock, with the number of shares of common stock
adjusted based upon a formula set out in the merger agreement. The new
convertible preferred stock is currently listed on the over-the-counter bulletin
board under the symbol "ESNJP". There were no 1999 trades reported in this
series of preferred stock in 1999.

         The Company's common stock trades on the NASDAQ Small Cap Market under
the symbol "ESNJ". The Company estimates there are approximately 146 common
shareholders of record and 2,666 beneficial owners of the common stock. The
Series A Warrants expired in November 1998. There were no 1998 trades reported
prior to their expiration.
<TABLE>
<CAPTION>
                                                                    Convertible             Series B
                                                Common              Preferred(1)          Warrants(2)
                                         ---------------------   -------------------   -------------------
         Quarter Ended                     High         Low        High        Low       High        Low
         -------------------------       ---------    --------   ---------    ------   ----------   ------
       <S>                              <C>         <C>          <C>         <C>       <C>         <C>
         December 31, 1999               $  2 3/8    $  1 7/16         --         --          --        --
         September 30, 1999                 2 5/8        1 3/4         --         --          --        --
         June 30, 1999                    2 11/16        1 1/8         --         --          --        --
         March 31, 1999                     2 7/8            1         --         --          --        --

         December 31, 1998               $ 3 3/16    $   1 1/2         --         --        5/32      1/32
         September 30, 1998                 4 3/8      1 13/16         --         --        7/32      1/32
         June 30, 1998                      6 3/8           4      10 1/2     10 1/2        3/16      1/16
         March 31, 1998                     7 1/8       4 1/8      10 7/8      7 1/8         1/4      1/16

</TABLE>

(1)      The Convertible Preferred Stock was redeemed in June of 1998.

(2)      The Series B Warrants ceased to be listed on the NASDAQ Small Cap
         Market in February of 1999. Trades in the chart through February 1999
         reflect trades on the NASDAQ Small Cap Market, with no known trades
         thereafter.

                                        21


<PAGE>


ITEM 6.  MANAGEMENT'S DISCUSSION AND ANALYSIS OR PLAN OF OPERATION

         The following discussion and analysis reviews Esenjay Exploration,
Inc.'s and/or its predecessor Frontier Natural Gas Corporation's operations for
the twelve month periods ended December 31, 1999 and 1998 and should be read in
conjunction with the consolidated financial statements and notes related
thereto. Certain statements contained herein that set forth management's
intentions, plans, beliefs, expectations or predictions of the future are
forward-looking statements. It is important to note that actual results could
differ materially from those projected in such forward-looking statements. The
risks and uncertainties include but are not limited to potential unfavorable or
uncertain results of 3-D seismic surveys not yet completed, drilling costs and
operational uncertainties, risks associated with quantities of total reserves
and rates of production from existing gas and oil reserves and pricing
assumptions of said reserves, potential delays in the timing of planned
operations, competition and other risks associated with permitting seismic
surveys and with leasing gas and oil properties, potential cost overruns,
potential dry holes and regulatory uncertainties and the availability of capital
to fund planned expenditures as well as general industry and market conditions.

OVERVIEW

         OVERVIEW OF HISTORICAL DEVELOPMENTS - INCEPTION THROUGH DECEMBER 31,
1998. In mid-1996, the Company refocused its activities from acquiring gas
reserves principally in the mid-continent region of the United States to
concentrate on exploration and related development drilling projects in Southern
Louisiana and along the Gulf Coast region of Alabama, Mississippi and Texas.
During 1996 and 1997, the Company's drilling activities, which were based
primarily on 2-D seismic data, were largely unsuccessful. This fact, along with
an unexpected drop in production from the Company's Mobile Bay area wells,
greatly reduced the Company's cash and capital resources.

         To address the Company's capital needs, the Board of Directors, at
its meeting on August 12, 1997, directed management to look for potential
assets to acquire in exchange for the Company's Common Stock, to identify and
review potential business consolidation opportunities, identify potential
partners to help fund the Company's proposed drilling activities, and to
consider any other avenues to strengthen the Company's capital resources and
diversify its exploration opportunities. The Board also directed management
to reduce overhead wherever prudently possible and the Company retained an
investment advisor to aid in achieving these objectives. The Company explored
a series of such transactions and the Board, after receipt of the advice of
management and its investment advisor, and receipt of due diligence reports
and other materials, unanimously agreed that a transaction with Aspect and
EPC was the best option for the Company's shareholders. This process led to
the Company entering into the Acquisition Agreement among the Company, EPC,
and Aspect. This Acquisition Agreement, and certain provisions of it,
required approval of the shareholders of the Company. At a special meeting of
shareholders held on May 14, 1998 the shareholders approved the Acquisition
Agreement, a recapitalization of the Company pursuant to which each
outstanding share of common stock would convert into one-sixth (1/6) of a
share of new common stock (the "Reverse Split"), a plan and agreement of
merger pursuant to which the Company would reincorporate in the state of
Delaware and would change its name to Esenjay Exploration, Inc. (the
"Reincorporation"), and the election of seven directors.

         On May 14, 1998 after a Special Meeting of Shareholders, the Company
closed the transactions provided for in the Acquisition Agreement, implemented
the Reverse Split, and completed the Reincorporation. All references in the
accompanying financial statements to the number of common shares have been
restated to reflect the foregoing. In addition, as required by the Acquisition
Agreement, the Company called for redemption, all of its issued and outstanding
cumulative convertible preferred stock and did redeem said preferred stock. The
result of the foregoing is that the Company conveyed a substantial majority of
its Common Stock to acquire an array of significant technology enhanced natural
gas oriented exploration projects. The Company believed the Acquisitions would
facilitate expanded access to capital markets due to the value and diversity of
its exploration project portfolio. The Company also believes the transactions
significantly enhanced the Company's management team.

         In connection with the Acquisitions, an affiliate of Enron Corp.
exercised an option to exchange $3.8 million of debt Aspect owed to such Enron
affiliate for 675,000 shares of the Company's Common Stock that would otherwise
have been issued to Aspect in the Acquisitions, at an effective conversion rate
of $5.63 per share.

                                        22


<PAGE>


         On July 21, 1998 the Company closed an underwritten offering of
4,000,000 shares of its common stock at a price of $4.00 per share. The net
proceeds to the Company were approximately $14,880,000. After the offering the
Company had 15,762,723 shares outstanding.

         On Exploration Projects acquired in 1998 pursuant to the Acquisitions,
the Company participated in the drilling of twenty-four wells through December
31, 1998 with working interests, which range from 8% to 79%. Out of those
twenty-four wells drilled, thirteen wells have been completed and eleven were
dry holes. Several of the successful wells went into production late in the
third quarter of 1998, and in the fourth quarter of 1998.

         OVERVIEW OF 1999 ACTIVITIES. As a result of the above-described
acquisitions, restructuring, and the underwritten offering, the Company believed
it was, and believes it continues to be, positioned for a period of significant
exploration activity on its technology enhanced projects. Many of the projects
have reached the drilling stage. In many instances the requisite process of
geological and/or engineering analysis, followed by acreage acquisition of
leasehold rights and seismic permitting, and 3-D seismic field data acquisition,
then processing of the data and finally its interpretation, required several
years and the investment of significant capital. Management believes the
acquisition of projects at this advanced stage has not only reduced the drilling
risk, but should allow the Company to consistently drill on a broad array of
exploration prospects in 1999 and subsequent years.

         In the first half of 1999, the Company completed a review of each of
its operating departments in order to identify areas where it could increase
efficiency and/or reduce costs. As a result, it has implemented personnel and
procedural changes in the accounting, land and operations departments. These
changes increased certain third quarter costs due to consultants fees,
employment severance packages, and new systems implementation. However, as a
result, the Company expects to achieve increased cost efficiency in certain
general, administrative, management and operational areas.

         In 1999, the Company participated in 29 new wells which reached total
depth and were logged during the year. Of the total wells drilled and logged in
1999, 20 were producing as of March 28, 2000, 2 are scheduled to commence
production upon completion and pipeline connections, 7 were dry holes, 1 of
which logged productive but had mechanical completion problems and will be
redrilled. Only 2 of the 1999 wells were producing as of July 1, 1999, and as a
result the Company's net daily oil and gas production increased substantially
throughout the third and fourth quarters. Based upon estimated sustainable flow
rates, the 1999 wells helped to increase the Company's net daily production to
approximately 532 barrels of oil per day and 14,605 million cubic feet of
natural gas per day as of December 1999.

         The Company's net cost in the 29 wells was approximately $8,652,439 for
drilling and completion, not including certain prior expenditures incurred at
the project level for land and seismic. It should be noted that the Company
defines a "project" as a distinct 3-D seismic data area which often comprises
several distinct exploratory "prospects". Net reserves attributable to the 29
wells drilled in 1999 total 18,466,712 MCFE including 1999 production and
December 31, 1999 remaining reserves. On a present value basis, the Company
achieved a present value in excess of four times the 1999 drilling and
completion costs expended.

         The Company ended 1999 having gone from nominal third quarter 1998 gas
and oil revenues of approximately $35,000 per month and large operating cash
flow deficits to a company which averaged $1,815,637 per month in net oil and
gas revenues and associated hedging revenues from commodity transactions in the
fourth quarter of 1999. This number increased significantly as the wells drilled
in 1999 continued to come on line. This allowed the Company to achieve positive
operating cash flow (before capital expenditures, and before the costs of
acquisition of new 3-D seismic data, and changes in working capital) in the
third quarter, which operating cash flow increased in the fourth quarter. As a
result of this trend, approximately 56% of the Company's 1999 gas and oil
revenue was attributable to the fourth quarter of the year.

         On May 12, 1999, the Company announced that it had entered into a Plan
and Agreement of Merger with 3DX Technologies, Inc. ("3DX") which provided for
the merger of 3DX into the Company. The shareholders of both companies approved
the transaction at their respective meetings on September 23, 1999 and the
merger was consummated the same day. The terms of the merger provided for 3DX
shareholders to receive, at their election, either (i) the issuance of one share
of Esenjay common stock for 3.25 shares of 3DX common stock; or (ii) the
issuance of a new Esenjay convertible preferred stock at a ratio of one share of
Esenjay convertible preferred stock for each 2.75

                                        23


<PAGE>


shares of 3DX common stock. The preferred stock does not require payment of
dividends. Approximately 91% of the 3DX common shares converted into Esenjay
common stock and approximately 9% were converted into Esenjay convertible
preferred stock. As a result, Esenjay issued approximately 2,906,800 new
shares of common stock and approximately 357,000 shares of convertible
preferred stock.

         The convertible preferred stock may be redeemed at Esenjay's sole
option until September 23, 2000 at $1.925 per share. If not redeemed by that
time, the preferred will automatically convert into one share of Esenjay common
stock on October 1, 2000 if the average closing price of Esenjay common stock is
greater than or equal to $1.875 during the month of September 2000. If the
Esenjay common stock averages less than $1.875 in September of 2000, the
preferred holder has the right, during the month of October of 2000, to "put"
the shares to Esenjay. If put, Esenjay will then have the right to retire the
convertible preferred stock for $1.65 in cash or for common stock with the
number of shares of common stock adjusted based upon a formula set out in the
merger agreement. The convertible preferred stock is scheduled to be converted
or redeemed not later than November 1, 2000.

         OVERVIEW OF 2000 ACTIVITIES. The Company believes it enters 2000 in a
position to continue to expand its exploration activities on its
technology-enhanced projects. By utilizing its increased capital available to it
from cash flow, financings and industry partner transactions, the Company
intends to pursue an aggressive exploration budget in all of its major trends of
activity. The Company's net daily production approximated 530 barrels of oil per
day and 13,767 Mcf natural gas per day in March of 2000. This net production is
after a reduction of 6 barrels of oil per day and 1,981 Mcf of natural gas per
day attributable to the sale of interests in the Raymondville Project as
described below in this paragraph. The Company has also successfully improved
its working capital and cash resources. On February 7, 2000, it announced the
closure of a $29 million credit facility with Deutsche Bank AG, New York Branch.
Initial availability pursuant to the facility was $21 million with a borrowing
base adjustment scheduled for the second quarter of 2000. A portion of the
available proceeds was utilized to retire approximately $15.8 million of
previously existing debt with Bank of America and Duke Energy Financial
Services, Inc., of which approximately $11 million was classified as the current
portion of long-term debt. The amount outstanding under the new facility was all
classified as long term debt. In addition, the Company sold approximately 84.39%
of its interest in its Raymondville Project in Willacy County to Cody Texas,
L.P. for cash proceeds of $10,940,000 ($10,585,981 net of transaction fees). The
sale closed on March 20, 2000 but was effective as of January 1, 2000. Pursuant
to this sale the Company sold 3,462,967 MCFE of its reserves classified as
proven as of December 31, 1999. Its borrowing base availability with Deutsche
Bank was not reduced. The combination of these two financing transactions
provided $15.8 million in net additional cash resources (after repayment of
existing debt) and created significant positive working capital for the Company.
As a result of its current cash flow and the impact of these two transactions,
the Company believes it is well positioned to fund its 2000 drilling activities,
the results of which are intended to help continue the upward trends of
increasing cash flow and reserves. The Company will look to a variety of sources
to further supplement its capital expenditures budget, including its credit
facilities and sales of additional promoted project interests to industry
partners, as it seeks to maximize its interests and manage its risks while
aggressively pursuing its exploration projects.

         The Company has budgeted $18,000,000 in drilling and completion
expenditures on interests in over 40 wells and an additional $8,000,000 in land
and new seismic costs in 2000. The budgeted drilling and completion
expenditures, which are primarily on exploratory wells, compares to total
drilling and completion expenditures of approximately $8,652,439 in 1999 when
the Company had less capital available. Through this exploration program, the
Company believes it can continue its 1999 trends of rapid growth in net
production, net revenues, operating cash flow, and net gas and oil reserves
throughout the year 2000 and beyond. It believes that certain of its planned
2000 exploratory wells represent the highest upside potential to which the
Company has been exposed.

         As of March 27, 2000, the Company has approximately 18,770,000 total
shares of common stock and 357,000 total shares of preferred stock outstanding.
It employs 40 full time employees, including 12 in its geological and
geophysical departments, 7 in its operations department, and 11 in its land
department. Its focus continues to be the implementation of its business
strategy as set forth in this section.

         SUCCESSFUL EFFORTS ACCOUNTING AND RELATED MATTERS. The Company utilizes
the successful efforts method of accounting. Under this method it expenses its
exploratory dry hole costs and the field acquisition costs of 3-D seismic data
as incurred. The undeveloped properties, which were acquired pursuant to the
Acquisitions, were comprised primarily of interests in unproven 3-D seismic
based projects, and were recorded in May of 1998 at an independently estimated
fair market value of $54.2 million as determined by Cornerstone Ventures, L.P.,
a Houston,

                                        24


<PAGE>


Texas based investment banking firm. Pursuant to the successful efforts
method of accounting, the Company is amortizing such initial costs of
unproved properties on a straight-line basis over a period not to exceed
forty-eight months, as well as recognizing property specific impairments. As
of December 31, 1999 the unamortized balance was $13,448,700. Hence
significant non-cash charges have depressed reported earnings of the Company
and will likely continue to do so in 2000; however, the non-cash charges will
not affect cash flows provided by operating activities nor the ultimate
realized value of the Company's natural gas and oil properties.

         As a result of the tax rules applicable to the Acquisitions, the
Company will likely not be able to fully use its existing net operating loss
carry forward in the future.

YEAR 2000

         The Company's efforts with respect to the Year 2000 issue were handled
internally by management and other Company personnel. Costs of developing and
carrying out this initiative were funded from the Company's operations and did
not represent a material expense to the Company. The Company has not encountered
any significant problems in this regard and believes that it will not in the
future. As a result, the costs of addressing the Year 2000 issue were not
significant and did not have a material adverse impact on the Company's
financial condition.

COMPARISON OF 1999 TO 1998.

         All comparative discussions should be considered in the context of the
Acquisitions closed on May 14, 1998, which, together with related changes
significantly modified the scope, focus and the method of doing business of the
Company. As a result, information regarding dates prior to May 14, 1998 is of
limited value.

VOLUMES, PRICES AND PRODUCTION COSTS

         The following table sets forth certain information regarding the
production volumes, average prices received (net of transportation) and average
production costs associated with the Company's sale of gas and oil for the
periods indicated.
<TABLE>
<CAPTION>
                                                                                   Year Ended December 31,
                                                                            --------------------------------------
                                                                                  1999                 1998
                                                                            -----------------    -----------------
<S>                                                                         <C>                  <C>
Net Production:
         Oil (Bbl) ................................................              100,559                8,878
         Gas (Mcf) ................................................            3,381,592              653,325
         Gas equivalent (Mcfe) ....................................            3,984,946(1)           706,593
Average sales price:
         Oil ($per Bbl)............................................           $    18.37(2)        $    10.92
         Gas ($per Mcf) ...........................................           $     2.35(2)        $     1.95(2)
Average production expenses and taxes ($per Mcfe)..................           $      .35           $     0.52

</TABLE>

(1)  The majority of the net production is attributable to the fourth quarter of
     1999, during which time additional exploration discoveries commenced
     production.

(2) Average sales prices include the Company's hedging instruments for oil and
    gas.

         REVENUES. Total revenues increased 632% from $1,716,473 for the year
ended December 31, 1998 to $12,566,165 for the year ended December 31, 1999.
This is primarily attributable to the significant increases in the Company's net
gas and oil production in the second half of 1999 and, to a lesser extent,
increases in the gain or sale of assets.

         GAS AND OIL REVENUES. Total gas and oil revenues increased 612.93% from
$1,372,002 to $9,781,352. The increase in gas and oil revenue was attributed
mainly to revenues from wells placed into production during the third and fourth
quarters of 1999. In addition increases in oil and gas prices in the second half
of 1999 compared to the same period one year previous, contributed to the
increase in revenues.

                                        25


<PAGE>



         GAIN ON SALE OF ASSETS. There was an increase in gain on sale of assets
of $2,238,136 from $5,375 reported in 1998 to $2,243,511 reported in 1999. This
primarily related to the sale of promoted interests to industry partners.

         OPERATING FEES. Operating fees increased due to increases of both
exploratory and developmental wells operated, which has resulted in the increase
of operating fees of 22.17% from $282,020 for the year ended 1998 to $344,539
for the year ended 1999.

         REALIZED GAIN (LOSS) ON COMMODITY TRANSACTIONS. The Company realized
losses from various commodity hedges of $113,911 for the year ending 1998, and
realized a gain of $146,337 for the same period in 1999. The losses realized
during 1998 were attributed to various transactions in which the Company hedged
future gas delivery obligations as a requirement of its bank loan facility. The
gains realized during 1999 were attributed to the Company's average hedge
pricing exceeding the spot market prices for the period.

         UNREALIZED GAIN ON COMMODITY TRANSACTIONS. The Company recognized an
unrealized gain on commodity transactions in 1998 of $128,936, as compared to
none during 1999. This was due to 1999 oil and gas production volumes exceeding
those volumes hedged. Unrealized gain or loss is not recognized when production
volumes are in excess of hedged volumes, as was the case in 1999.

         OTHER REVENUES. The Company had other revenues of $42,051 for the year
of 1998 as compared with $50,426 for the year of 1999.

         COSTS AND EXPENSES. Total costs and expenses decreased 26.49% from
$31,037,820 in 1998 to $22,816,403 in 1999. The most significant decreases were
in Impairment of Oil and Gas Properties and in Exploration Costs - Geological
and Geophysical and in Exploration Costs - Dry Hole. These cost decreases were
partially offset by increases in lease operating expenses, production taxes,
depletion, depreciation and amortization, and general and administrative
expenses.

         AMORTIZATION OF UNPROVED PROPERTIES was $7,546,000 for 1999 and
$6,937,300 in 1998. The Company is amortizing the undeveloped and unevaluated
value of the properties acquired pursuant to the Acquisition Agreement between
the Company, EPC and Aspect over a period not to exceed forty-eight months. The
amounts are amortized until the applicable properties are moved into the proven
property base or reduced to zero by amortization or impairment. As of December
31, 1999, a $13,392,100 balance remained in this amortization pool. Also see
Overview - Successful Efforts Accounting and Related Matters.

         IMPAIRMENT OF GAS AND OIL PROPERTIES was $5,832,024 in 1998 compared to
$358,106 in 1999. Management periodically reviews each individual Exploration
Project which can result in the decision to expense the book value of certain
projects based upon the belief that they no longer have a realistic potential to
realize the book value from such projects in the future. Major impairment
realized in 1998 contrasted with modest impairments in 1999.

         EXPLORATION COSTS - GEOLOGICAL AND GEOPHYSICAL decreased 72.84% from
$5,882,307 for 1998 to $1,597,372 for 1999. These exploration costs reflect the
costs of topographical, geological and geophysical studies and include the
expenses of geologists, geophysical crews and other costs of acquiring and
analyzing 3-D seismic data. The Company's technology-enhanced exploration
program on the Exploration Projects required the historical acquisition and
interpretation of substantial quantities of such data. In 1999, most of the
Company's projects had reached the drilling stage and these costs have decreased
for 1999 as compared with 1998. The Company considers 3-D seismic data a
valuable asset; however, its successful efforts accounting method requires such
costs to be expensed for accounting purposes. The cash flow statement does not
permit expenditures for geological and geophysical costs to be included as an
oil and gas investing activity or as an add back to operating activities. The
cash flow from/(used in) operating activities would be $1,052,088 and $5,750,979
for 1999 and 1998, respectively, if the geological and geophysical add back was
permitted. The cash flow used in investing activities would be $6,665,047 and
$24,927,722 for 1999 and 1998, respectively, if the geological and geophysical
cost were permitted to be included.

         EXPLORATION COSTS - DRY HOLE was $5,213,930 for 1998 compared to
$692,642 for 1999. This decrease was the result of several factors. The Company
drilled a higher percentage of successful wells. It also reduced risk taken by
the Company through carried and partially carried interests in drilling wells
where the majority of the risk


                                        26


<PAGE>


was assumed by other participants in those wells. In addition, the Company's
sale of a portion of its interest also reduced these costs. During 1999, the
Company participated in the drilling of 29 wells of which 6 were dry holes
that were expensed.

         GENERAL AND ADMINISTRATIVE EXPENSES increased 26.92% from $4,501,656
for 1998 as compared to $5,713,408 for 1999. This increase was primarily due to
an increase in operational expenses incurred after May 14, 1998, the effective
date of the Acquisition Agreement with Aspect and EPC, and the acquisition of
3DX in September of 1999. As a result, the increased expenses affected only
eight months in 1998 and twelve months in 1999. In addition, approximately
$566,385 in general and administrative costs for 1999 were costs associated with
departmental reorganizations and information system conversions and
implementation.

         DEPLETION, DEPRECIATION AND AMORTIZATION ("DD&A") increased 181.91%
from $1,522,771 for 1998 to $4,292,837 in 1999. The increase was primarily
attributed to increased gas and oil production from wells placed into production
during 1999.

         INTEREST EXPENSE increased 40.54% from $620,121 for 1998 to $871,501
for 1999. The increase in interest expense was primarily attributable to the
credit facility with Duke Energy Financial Services, Inc., which closed in
February of 1999, and an increase in the borrowing base pursuant to the
Company's credit facility with Bank of America, NT&SA in October 1998. The
Company capitalized a large portion of its interest associated with ongoing
projects, of which capitalized amounts totaled $456,901 and $1,023,221 for the
respective years ending 1998 and 1999.

         PRODUCTION TAXES increased 584.38% from $95,728 for 1998 to $655,145
for 1999. The increase in production taxes was primarily attributed to revenues
of wells placed in production during the third and fourth quarters of 1999, and
revenues obtained by the Company from the 3DX merger which closed on September
23, 1999.

         LEASE OPERATING EXPENSE increased 176.18% from $272,600 for 1998 to
$752,861 for 1999. This increase is largely attributable to the addition of
wells drilled, completed and placed into production in 1999. In addition, the
increase in oil and gas prices the second half of 1999 justified remedial work
on certain marginal wells, primarily non-operated, which work was performed
during 1999. The addition of producing wells acquired through the 3DX merger
also contributed to this increase.

         DELAY RENTAL EXPENSE increased 111.15% from $159,383 for 1998 to
$336,531 for 1999. This increase is primarily attributable to rentals payable on
leases acquired for projects and prospects not yet developed but were determined
to be a part of the Company's proved undeveloped reserves. In addition, many of
the rentals were also due on leases that were part of the wells drilled in 1999
and are scheduled to be drilled in 2000.

         NET LOSS PER COMMON SHARE. Net loss per common share decreased from a
net loss of $2.97 per share for 1998 to a net loss of $0.62 per share for 1999.
Due to factors discussed above, there was a decrease in net loss applicable to
common stockholders of $19,119,245 from 1998 as compared to 1999 combined with
the increase of weighted average number of common equivalent shares at December
31, 1999, resulting from the merger 3DX. Approximately 16,612,000 weighted
average common equivalent shares were outstanding at December 31, 1999 as
compared with approximately 9,882,000 at December 31, 1998.

KNOWN AND ANTICIPATED TRENDS, CONTINGENCIES AND DEVELOPMENTS IMPACTING FUTURE
OPERATING RESULTS.

         The Company's future operating results will continue to be
substantially dependent upon the success of the Company's efforts to develop the
projects acquired in the Acquisitions and the acquisition of 3DX, as well as its
other prospects.

         Management continues to believe these projects represent the most
promising prospects in the Company's history. The wells drilled in 1998 and 1999
on projects acquired pursuant to the Acquisitions continue to substantially
increase the Company's revenues. Conversely, the capital expenditures planned in
2000 will continue to require substantial outlays of capital to explore, develop
and produce. Drilling results for 1998 resulted in substantial revenue
increases. Drilling results in 1999 resulted in rapidly expanding revenues in
the third and fourth

                                        27


<PAGE>


quarters of 1999. The Company anticipates certain general and administrative
cost decreases in 2000 due to personnel and systems changes which have been
implemented, which are intended to increase efficiency and/or reduce costs.
However, pursuant to the acquisition of 3DX Technologies, Inc., certain of
the planned savings have been offset by staff additions pursuant to the
merger. Such cost additions should be more than offset by revenue increases
from producing properties acquired in the merger and the additions expand the
Company's ability to manage and create value from its broad project
inventory. However, because of the Company's expanded 2000 drilling budget,
capital from sources other than cash flow from operations is required for
funding planned exploration activities. The recently closed Raymondville
Interests Sale has, however, provided the cash resources to substantially
fund the 2000 capital budget when combined with available credit facilities
and anticipated operating cash flow. The Company's 2000 budget will, however,
continue to include the sales of certain project interests to industry
partners; however, the Company believes it will be much less dependent upon
such sources due to its increasing operating cash flow, improved liquidity,
and new credit facility.

LIQUIDITY AND CAPITAL RESOURCES

         The Company business plan calls for net expenditures of $18,000,000 in
drilling and completion and $8,000,000 in land and geophysical costs resulting
in a $26,000,000 capital budget for 2000. These budgeted amounts are based upon
exploration opportunities and may be adjusted based upon available capital, new
opportunities and industry conditions. The Company's sources of financing
include borrowing capacity under its credit facilities, the sale of promoted
interests in the Exploration Projects to industry partners and cash provided
from operations. The Company's budget includes the sales of certain project
interests to industry partners.

         The Company entered 1999 having gone from nominal second quarter 1998
gas and oil production revenues of approximately $35,000 per month and large
operating cash flow deficits to a company which averaged $1,815,637 per month in
oil and gas revenues and in realized revenue from hedges on production in the
fourth quarter of 1999. Gas and oil production is expected to continue to
increase as new gas and oil production from wells drilled in 1999 and 2000
continues to come on line. Based upon estimated sustainable flow rates, new
wells increased the Company's net daily production to approximately 532 barrels
of oil per day and 14,602 Mcf of natural gas per day as of December 31, 1999.
These rates are approximately 530 net barrels of oil per day and 13,767 net Mcf
of natural gas per day in March of 2000, after giving effect to the Raymondville
Interests Sale effective January 1, 2000, which sale included 6 net barrels of
oil and 1,981 net Mcf of natural gas per day. Additional success in 2000 on
wells currently drilling would continue the trend of increasing production. This
should allow the Company to achieve steadily increasing operating cash flow
(prior to capital expenditures and new 3-D seismic data acquisition costs, which
costs the successful efforts accounting method utilized by the Company mandate
to be expensed rather than capitalized).

         The Company ended 1999 with a deficit working capital of approximately
$16,543,374. Of this amount approximately $11.0 million was represented by the
current portion of its long term debt. This deficit working capital was greatly
improved when the Company, on January 25, 2000, closed a new credit facility
with Deutsche Bank AG, New York Branch. Pursuant to this facility, all of the
$15.8 million of the Company's long term debt at December 31, 1999 was repaid.
This repayment included $4.8 million of long term debt classified as long term
and the approximate $11.0 of long term debt classified as current portion.
Pursuant to the Deutsche Bank credit facility, $21 million was initially
available. All amounts available were long term debt, none of which would have
been classified as current portion in the first quarter of 2000. The credit
facility with Deutsche Bank is in two tranches. $12 million was available under
Tranche A, and $9 million under Tranche B. Tranche A is a revolving facility
with no required principle payments until January 24, 2001, after which date it
converts into a 60-month term loan. Tranche B is payable interest only until the
second quarter of 2001, at which time the principle is amortized at a rate of
25% per quarter until fully repaid. Both loans are at a varied interest rate
utilizing either Deutsche Bank's alternative interest rate or the London
interbank rate plus 2% for both Tranche A and Tranche B. As of the January 25,
2000 closing date, $8,341,782 was drawn under Tranche A and $9 million under
Tranche B. All undrawn funds will be available for future drilling activities of
the Company. The facility is secured by a mortgage on most proven properties
currently owned by the Company. In addition, the Company has a negative pledge
and an agreement to mortgage any of the Company's unproven projects or
properties at the demand of the bank. In addition to the foregoing, Deutsche
Bank AG received a 1.5% overriding royalty interest, proportionately reduced to
the Company's net interest, on the gas and oil properties classified as proven
as of the date of closing, and an agreement

                                        28


<PAGE>


that it would convey to the bank a 1.5% overriding royalty interest,
proportionately reduced to the Company's net interest on future proven wells
on the date any such future wells are logged, for as long as funds are
outstanding pursuant to Tranche B. In the event the Tranche B loans are
repaid in full prior to April 30, 2002, the Company may redeem the overriding
royalty interests conveyed to Deutsche Bank AG for an amount equal to (a) an
amount which, when added to the interest paid to Deutsche Bank AG, plus
revenues received by Deutsche Bank AG from the overriding royalties conveyed
to Deutsche Bank AG, would provide to Deutsche Bank AG an internal rate of
return of approximately 15%, plus (b) 60% of the then remaining present value
of the overriding royalties to be redeemed after subtracting the amount
calculated in (a) above. In addition, Deutsche Bank also received a five-year
warrant to purchase 250,000 shares of the Company's common stock at a price
equal to $1.50 per share. Proceeds of the credit facility were utilized to
retire the Company's existing long term debt and additional proceeds can be
utilized to supplement working capital and exploration costs. The Company
expects further increases in the borrowing base in the event its proven oil
and gas reserves continue to grow.

         The Company's working capital was further enhanced when it closed a
sale of project interests to Cody Texas, L.P. for an amount net to the Company
totaling approximately $10,585,591 on March 17, 2000. In this sale, the Company
conveyed 84.39% of its net interest in its Raymondville Project in Willacy
County, Texas to Cody Texas, L.P. The Company's borrowing base pursuant to
Tranche A with Deutsche Bank was not reduced as a result of the sale. The
proceeds of the sale of interests to Cody Texas, L.P. will be utilized to
increase working capital, and to reduce outstandings under the revolving
borrowing base available to the Company pursuant to Tranche A of the Deutsche
Bank facility, and to fund capital expenditures of the Company.

         The Company believes that it has achieved a much more desirable
position from a standpoint of liquidity than it has experienced since the
consummation of the Acquisitions in May of 1998. Improvements to its working
capital position which have resulted from the closing of the facility with
Deutsche Bank and the sale to Cody Texas, L.P., combine with the Company's
recently rapidly increasing cash flow to place it in a good position to fund its
year 2000 capital expenditures budget. Said budget is, in fact, substantially
funded from cash, currently available credit and anticipated operating cash
flow. Given the $26 million budget, the Company anticipates that the full
funding of said budget may still depend upon some sales or other transactions
with industry partners in the second half of the year 2000. Its ongoing business
plan is to always implement such transactions in order to properly manage the
spread of risk in its drilling activities as well as to be a source of capital
expenditure funds.

         Pursuant to the Company's credit agreement with Deutsche Bank, it has
certain covenants regarding current interest coverage ratios and other covenants
regarding which it is expected to be in compliance at the end of each quarter.
Although the Company believes it can be in compliance with these covenants in
the year 2000, there can be no assurance that it will be in compliance. In the
event it is not in compliance, the Company will be required to seek waivers of
said covenants or would be required to seek alternative financing arrangements.

         The Company historically has addressed its long-term liquidity needs
through the issuance of debt and equity securities, through bank credit and
other credit facilities, sales of project interests to industry partners and
with cash provided by operating activities. Its major obligations as of March
2000, consisted principally of (i) servicing loans under the credit facilities
with Deutsche Bank and other loans, (ii) funding of the Company's exploration
activities, and (iii) funding of the day-to-day operating costs.

         The Company has an ambitious capital expenditure plan for 2000, which
includes approximately $18,000,000 in drilling and completion costs, and an
additional $4,600,000 and $3,600,000, respectively, in geological, geophysical
and land costs for the year. Cash on hand, cash currently available pursuant to
the Deutsche Bank credit facility, and cash flow from operations will contribute
significantly to said budgets, but additional funds in the form of sales of
project interests and/or long term debt will likely be needed in the second half
of the year.

         Many of the factors that may affect the Company's future operating
performance and long-term liquidity are beyond the Company's control, including,
but not limited to, oil and natural gas prices, governmental actions and taxes,
the availability and attractiveness of financing and its operational results.
The Company continues to examine alternative sources of long-term capital,
including the acquisition of a company with producing properties for common
stock or other equity securities, and also including bank borrowings, the
issuance of debt instruments, the

                                        29


<PAGE>


sale of common stock or other equity securities, the issuance of net profits
interests, sales of promoted interests in its Exploration Projects, and
various forms of joint venture financing. In addition, the prices the Company
receives for its future oil and natural gas production and the level of the
Company's production will have a significant impact on future operating cash
flows.

         In order to minimize the pricing risk associated with oil and gas
sales, and as required pursuant to its Deutsche Bank credit facility, the
Company has entered into hedging transactions with Deutsche Bank AG.

         The Company markets its natural gas through monthly spot sales. Because
sales made under spot sales contracts result in fluctuating revenues to the
Company depending upon the market price of gas, the Company may enter into
various hedging agreements to minimize the fluctuations and the effect of price
declines or swings. In February of 2000, in conjunction with its financing with
Deutsche Bank, the Company restructured all existing natural gas hedges with an
affiliate of Deutsche Bank. Pursuant to these hedges, the Company now has 9,381
MMBtu/day of net production hedged in March, 2000, 9,031 MMBtu/day hedged for
the second quarter of 2000, 8,646 MMBtu/day for the third quarter of 2000, 8,278
MMBtu/day for the fourth quarter of 2000, 7,161 MMBtu/day for the first quarter
of 2001, 6,880 MMBtu/day for the second quarter of 2001, 6,600 MMBtu/day for the
third quarter of 2001, and 6,319 MMBtu/day for the fourth quarter of 2001. All
hedges are at $2.45 per MMBtu. Concurrent with the new hedges, all prior natural
gas hedges were retired. In September of 1999, the Company entered into a
"collar" hedge arrangement on certain of its oil production. It entered into an
oil hedge for a quantity equal to 300 barrels of oil per day in the fourth
quarter of 1999, 280 barrels of oil per day in the first quarter of 2000, 256
barrels of oil per day in the second quarter of 2000, and 237 barrels of oil per
day in the third quarter of 2000, all of which transactions were structured with
an $18.00 floor price and a $20.40 cap price. These positions were supplemented
with oil hedges for 238 barrels of oil per day in the fourth quarter of 2000,
and 175 barrels of oil per day, 168 barrels of oil per day, 161 barrels of oil
per day and 154 barrels of oil per day for the first through fourth quarters of
2001, respectively, all of which supplemental hedges were at $21.03 per barrel.
As a result of the above-referenced transactions, the Company has hedged varying
quantities of its natural gas and oil production through December of 2001. First
quarter 2000 hedges are estimated to approximate 68% of the Company's natural
gas and 53% of its oil production for such quarter. Future percentages will
vary.

         WORKING CAPITAL. At December 31, 1999, the Company had a cash balance
of $2,598,047, total current assets of $13,979,316, and total current
liabilities of $30,522,690. This resulted in a working capital deficit of
$16,543,374. The largest component of the working capital deficit was the
current portion of long term debt which totaled $11,013,162, which was due in
varying amounts from the time frame February through August of 2000. Pursuant to
the closing of the Deutsche Bank credit facility, all of which is classified as
long term debt in March of 2000, all long term debt totaling $15,763,162 on
December 31, 1999, including the current portion of long-term debt of
$11,013,162, was retired. Had said debt been retired at December 31, 1999, the
working capital would have been $11,013,162 higher, and additional increases to
working capital due to the availability of additional long term debt which was
not drawn would have been available. The Company's cash position was also
enhanced in March of 2000 by its previously referenced Raymondville Interest
Sale pursuant to which the Company conveyed 84.39% of its interest in its
Raymondville Project for a net cash consideration, after transaction costs, of
$10,585,591. The Company expects its trend of increasing gas and oil revenues
and associated hedging revenues from commodity transactions will continue the
growth in revenues in excess of the ongoing costs of operations, which may also
enhance the Company's working capital position. The net working capital can be
negatively effected by the Company's continuing aggressive capital expenditures
program on its exploration projects to the extent said capital expenditures
exceed cash generated from operations and from the sale of project interests
and/or growth in its credit facilities.

         SUMMARY. The Company believes it is positioned to continue to expand
its exploration activity on its technology enhanced projects. Many of the
projects have reached the drilling stage. In many instances the requisite
process of geological and/or engineering analysis, followed by acreage
acquisition of leasehold rights and seismic permitting, and 3-D seismic field
data acquisition, then processing of the data and finally its interpretation
took several years of time and the investment of significant capital. Management
believes the acquisition of projects at this advanced stage has not only reduced
the drilling risk, but should allow the Company to consistently drill on a broad
array of exploration prospects throughout 2000.

         As evidence of this activity the Company has participated in the
drilling of 29 wells on its exploration projects

                                        30

<PAGE>


in 1999. Of the total wells drilled in 1999, 20 were drilled and successfully
completed, 2 are scheduled to commence production upon pipeline connections,
and 7 were dry holes. One of the dry holes logged productive but had
mechanical completion problems, and it will be redrilled in 2000. The
addition of wells drilled in 1999 to producing status has increased the
Company's net daily production to approximately 530 barrels of oil per day
and 13,767 Mcf of natural gas per day as of March 15, 2000, after adjustment
for the sale of interests in the Raymondville Project in March of 2000. The
Company expects that these revenues will provide positive and growing
operating cash flow in 2000 (prior to capital expenditures and new 3-D
seismic data acquisition costs, which costs the successful efforts accounting
method utilized by the Company mandates to be expensed rather than
capitalized). The Company's recent drilling results have further served to
increase its confidence in its future drilling on the technology enhanced
Exploration Projects. Additional exploration success would continue this
positive trend.

         The Company expects to fund significant portions of its $18 million
year 2000 drilling and completion budget from operating cash flow (prior to
capital expenditures and new 3-D seismic data acquisition costs). Its total
capital budget, including land and new seismic, of $26 million is substantially
funded from anticipated cash flow and available credit facilities. The Company
will utilize a variety of sources to fund its continuing capital expenditures
budget including operating cash flow, currently available credit facilities and
certain sales of promoted project interests to industry partners, as it seeks to
maximize its interests and manage its risks while aggressively pursuing its
exploration projects.

         RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS. In June 1999, the Financial
Accounting Standards Board ("FASB") issued SFAS No. 137, "Accounting for
Derivative Instruments and Hedging Activities - Deferred of the Effective Date
of FASB Statement No. 133" ("SFAS 137"). SFAS 137, which is effective for all
fiscal quarters of fiscal years beginning after June 15, 2000, establishes
accounting and reporting standards for derivative instruments, including certain
derivative instruments embedded in other contracts (collectively referred to as
"derivatives") and for hedging activities. SFAS 137 requires that an entity
recognize all derivatives as either assets or liabilities in the balance sheet
and measure those instruments at fair value. The Company is currently evaluating
the impact of the application of SFAS 137, which when adopted, could have a
material effect on its consolidated financial statements.

ITEM 6A.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKS.

         Market risk generally represents the risk that losses may occur in the
value of financial instruments as a result of movements in interest rates,
foreign currency exchange rates and commodity prices. The Company has entered
into interest-rate swap agreements to eliminate any movement in interest rate.

         The energy markets have historically been very volatile, and there can
be no assurance that oil and gas prices will not be subject to wide fluctuations
in the future. In an effort to reduce the pricing risks associated with oil and
gas sales, the Company entered into hedging transactions aggregating a 23-month
period with Deutsche Bank AG. The hedging instruments called for the delivery of
volumes which range from 9,381 to 6,319 MMBtu per day of natural gas at a price
of $2.45 per MMBtu for the period February 2000 through December 2000. They also
call for the delivery of volumes which range from 280 to 237 barrels of oil per
day at prices which range from $18.00 to $20.40 per barrel for the period
January 2000 to September 2000, and a volume of 238 barrels of oil per day at a
hedge price of $21.03 per barrel from October through December of 2000. While
the use of these hedging arrangements limit the downside risk of adverse price
movements, it also limits future gains from favorable movements to the extent of
the hedged volumes.

                                        31


<PAGE>


ITEM 7.  FINANCIAL STATEMENTS

                          INDEPENDENT AUDITORS' REPORT

To the Board of Directors
Esenjay Exploration, Inc.

We have audited the accompanying consolidated balance sheets of Esenjay
Exploration, Inc. and subsidiaries (the "Company") as of December 31, 1999 and
1998, and the related consolidated statements of operations, stockholders'
equity and cash flows for the years then ended. These financial statements are
the responsibility of the Company's management. Our responsibility is to express
an opinion on these financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free from
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, such consolidated financial statements present fairly, in all
material respects, the consolidated financial position of the Company as of
December 31, 1999 and 1998, and the results of its operations and its cash flows
for the years then ended in conformity with generally accepted accounting
principles.

Deloitte & Touche LLP
Houston, Texas

April 10, 2000


                                        32


<PAGE>



                            ESENJAY EXPLORATION, INC.
                           CONSOLIDATED BALANCE SHEETS

                                     ASSETS


<TABLE>
<CAPTION>

                                                                    DECEMBER 31,         DECEMBER 31,
                                                                         1999                1998
                                                                    ------------         ------------
<S>                                                                <C>                  <C>
Current assets:
     Cash  and cash equivalents ............................        $  2,598,047         $    646,200
     Accounts receivable, net of allowance for doubtful
        accounts of $519,137 at December 31, 1999 and
        $348,984 at December 31, 1998 ......................           7,078,109            3,209,633
     Prepaid expenses and other ............................           3,940,133              122,422
     Receivables from affiliates ...........................             363,027              963,700
                                                                    ------------         ------------
              Total current assets .........................          13,979,316            4,941,955

Property and equipment .....................................          80,120,781           70,044,882
Less accumulated depletion, depreciation
     and amortization ......................................         (25,937,472)         (15,517,656)
                                                                    ------------         ------------
                                                                      54,183,309           54,527,226

Other assets ...............................................             770,210              447,091
                                                                    ------------         ------------
              Total assets .................................        $ 68,932,835         $ 59,916,272
                                                                    ============         ============

</TABLE>

                                        33


<PAGE>


                            ESENJAY EXPLORATION, INC.
                           CONSOLIDATED BALANCE SHEETS

                      LIABILITIES AND STOCKHOLDERS' EQUITY
<TABLE>
<CAPTION>
                                                                                             DECEMBER 31,        DECEMBER 31,
                                                                                                 1999                1998
                                                                                          -----------------    ----------------
<S>                                                                                      <C>                  <C>
Current liabilities:
     Accounts payable ...............................................................        $  8,838,629        $  8,993,859
     Accounts payable to affiliate, net .............................................           2,083,913           4,322,548
     Revenue distribution payable ...................................................           2,491,798           1,996,091
     Current portion of long-term debt ..............................................          11,013,162             101,236
     Accrued, deferred and other liabilities ........................................           6,095,188             484,756
                                                                                          -----------------    ----------------
              Total current liabilities .............................................          30,522,690          15,898,490

Long-term debt ......................................................................           4,750,000           7,500,000
Non-recourse debt ...................................................................             864,000             864,000
Accrued interest on non-recourse debt ...............................................             463,395             331,194
                                                                                          -----------------    ----------------
              Total liabilities .....................................................          36,600,085          24,593,684

Stockholders' equity:
     Convertible preferred stock $.01 par value;
        5,000,000 shares authorized; 356,999 shares issued and
        outstanding at December 31, 1999 ............................................               3,570                 ---
     Common stock:
        Class A common stock, $.01 par value; 40,000,000 shares authorized; and
        18,837,699 and 15,784,834 outstanding at December 31, 1999
        and 1998, respectively ......................................................             188,377             157,849
     Additional paid-in capital .....................................................          84,877,904          77,651,602
     Accumulated deficit.............................................................         (52,737,101)        (42,486,863)
                                                                                          -----------------    ----------------
              Total stockholders' equity ............................................          32,332,750          35,322,588
                                                                                          -----------------    ----------------

              Total liabilities and stockholders' equity ............................        $ 68,932,835        $ 59,916,272
                                                                                          =================    ================

</TABLE>

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


                                        34

<PAGE>


                            ESENJAY EXPLORATION, INC.

                      CONSOLIDATED STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>
                                                                                       Year Ended December 31,
                                                                               ---------------------------------------
                                                                                      1999                    1998
                                                                               ------------------    -----------------
<S>                                                                           <C>                   <C>
Revenues:
     Gas and oil revenues ................................................        $  9,781,352         $  1,372,002
     Realized gain (loss) on commodity transactions ......................             146,337             (113,911)
     Unrealized gain on commodity transactions ...........................                 ---              128,936
     Gain on sale of assets ..............................................           2,243,511                5,375
     Operating fees ......................................................             344,539              282,020
     Other revenues ......................................................              50,426               42,051
                                                                               ------------------    -----------------
              Total revenues .............................................          12,566,165            1,716,473
                                                                               ------------------    -----------------

Costs and expenses:
     Lease operating expense .............................................             752,861              272,600
     Production taxes ....................................................             655,145               95,728
     Depletion, depreciation and amortization ............................           4,292,837            1,522,771
     Amortization of unproved properties .................................           7,546,000            6,937,300
     Impairment of oil and gas properties ................................             358,106            5,832,024
     Exploration costs-geological & geophysical ..........................           1,597,372            5,882,307
     Exploration costs-dry hole ..........................................             692,642            5,213,930
     Interest expense ....................................................             871,501              620,121
     Delay rentals .......................................................             336,531              159,383
     General and administrative ..........................................           5,713,408            4,501,656
                                                                               ------------------    -----------------
              Total costs and expenses ...................................          22,816,403           31,037,820
                                                                               ------------------    -----------------
Loss before provision for income taxes ...................................         (10,250,238)         (29,321,347)
Benefit (provision) for income taxes .....................................                 ---                  ---
Net loss .................................................................         (10,250,238)         (29,321,347)
Cumulative preferred stock dividend ......................................                 ---               48,136
                                                                               ------------------    -----------------
Net loss applicable to common stockholders ...............................        $(10,250,238)        $(29,369,483)
                                                                               ==================    =================

Basic and diluted loss per common and common equivalent share ............        $      (0.62)        $      (2.97)
                                                                               ==================    =================

Weighted average number of common shares outstanding .....................          16,612,314            9,882,227
                                                                               ==================    =================
</TABLE>

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


                                        35
<PAGE>


                            ESENJAY EXPLORATION, INC.

                 CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
<TABLE>
<CAPTION>




                                Preferred                      Class A              Unamortized
                                  Stock                     Common Shares             Value of       Additional
                          -----------------------    -----------------------------    Warrants         Paid-in       Accumulated
                              Shares      Amount        Shares(1)      Amount(1)       Issued        Capital(1)        Deficit
                            ---------    ---------    ------------   ------------   ------------    ------------    ------------
<S>                        <C>          <C>           <C>           <C>            <C>             <C>             <C>
Balance,
  December 31, 1997 .....      85,961    $     860       1,655,984   $     16,560   $    (27,163)   $ 14,751,425    $(12,936,862)

Issuance of common
  stock for
  acquisitions, net .....          --           --      10,106,700        101,067             --      49,360,831              --
Redemption of
  preferred stock .......     (85,961)        (860)             --             --             --        (858,750)       (228,654)
Amortization of
  Warrants ..............          --           --              --             --         27,163              --              --
Secondary common
  stock offering, net ...          --           --       4,000,000         40,000             --      14,364,980              --
Issuance of common
  Stock .................          --           --          22,150            222             --          33,116              --
Net loss ................                                                                                            (29,321,347)
                            ---------    ---------    ------------   ------------   ------------    ------------    ------------

Balance,
  December 31, 1998 .....          --           --      15,784,834        157,849             --      77,651,602     (42,486,863)

Issuance of common
  stock for
  acquisitions, net .....          --           --       2,906,839         29,068             --       6,378,334              --
Issuance of
  preferred stock .......     356,999        3,570              --             --             --         683,653              --
Issuance of common
   Stock ................          --           --          62,026            620             --         121,235              --
Issuance of common
  stock through
  subscriptions .........          --           --          84,000            840             --         152,880              --
Net loss ................          --           --              --             --             --              --     (10,250,238)
                            ---------    ---------    ------------   ------------   ------------    ------------    ------------
Balance,
  December 31, 1999 .....     356,999    $   3,570      18,837,699   $    188,377             --    $ 84,877,904    $(52,737,101)
                            =========    =========    ============   ============   ============    ============    ============
</TABLE>

(1)      As a result of the 1:6 reverse stock split effective on May 14, 1998,
         all numbers of shares and per share amounts have been restated for all
         periods presented.

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


                                        36

<PAGE>


                            ESENJAY EXPLORATION, INC.

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
<TABLE>
<CAPTION>
                                                                                     Year Ended December 31,
                                                                             ----------------------------------------
                                                                                   1999                   1998
                                                                             -----------------       ----------------
<S>                                                                          <C>                    <C>
Cash flows from operating activities:
     Net loss ..........................................................      $(10,250,238)           $(29,321,347)
     Adjustments to reconcile net loss to net cash
       used in operating activities:
          Depletion, depreciation and amortization .....................         4,292,837               1,522,771
          Amortization of unproven property.............................         7,546,000               6,937,300
          Impairment of oil and gas properties..........................           358,106               5,832,024
          Exploration costs - dry hole..................................           692,642               5,213,930
          Gain on sale of assets........................................        (2,243,511)                 (5,375)
          Amortization of financing costs...............................           101,587                 136,677
          Unrealized gain on commodity transitions......................               ---                (128,936)
     Changes in operating assets and liabilities:
          Trade and affiliate receivables...............................        (3,487,403)             (3,846,298)
          Prepaid expenses..............................................        (3,817,711)                126,906
          Other assets..................................................          (323,119)               (372,941)
          Trade and affiliate payables..................................           479,387              11,405,011
          Revenue distribution payable..................................           495,707               1,927,960
          Accrued, deferred and other...................................         5,610,432                 440,990
                                                                             -----------------       ----------------

          Net cash used in operating activities.........................          (545,284)               (131,328)
                                                                             -----------------       ----------------

Cash flows from investing activities:
     Capital expenditures - gas and oil properties......................       (19,478,942)            (23,936,538)
     Capital expenditures - other property and equipment................          (558,748)               (300,724)
     Proceeds from sale of assets.......................................        14,970,015               5,191,847
                                                                             -----------------       ----------------

        Net cash used in investing activities...........................        (5,067,675)            (19,045,415)
                                                                             -----------------       ----------------

Cash flows from financing activities:
     Proceeds from issuance of debt.....................................         8,920,000              15,800,000
     Repayments of long-term debt.......................................        (1,508,074)             (8,641,494)
     Preferred stock redeemed...........................................               ---                (859,610)
     Preferred stock dividends paid.....................................               ---                (228,654)
     Net Proceeds from issuance of common stock.........................           152,880              14,438,318
     Cost of issuing stock..............................................               ---              (1,376,193)
                                                                             -----------------       ----------------

        Net cash provided by financing activities.......................         7,564,806              19,132,367
                                                                             -----------------       ----------------

     Net increase (decrease) in cash and cash equivalents...............         1,951,847                 (44,376)

Cash and cash equivalents at beginning of year..........................           646,200                 690,576
                                                                             -----------------       ----------------

Cash and cash equivalents at end of year................................        $2,598,047                $646,200
                                                                             =================       ================


                                        37



<PAGE>


<CAPTION>
                                                                                     Year Ended December 31,
                                                                             ----------------------------------------
                                                                                   1999                   1998
                                                                             -----------------       ----------------
<S>                                                                          <C>                    <C>



Supplemental disclosure of cash flow information:
     Cash paid for interest.............................................        $1,763,323                $835,186
Supplemental disclosure of non-cash investing
     and financing activities:
        Sale of oil and gas properties in satisfaction
          Of payable to affiliates......................................        $2,700,000                     ---
        Acquisition of assets...........................................         8,333,853             $54,218,750
        Proxy costs.....................................................           316,503                 287,173
        Assumption of related liabilities...............................           923,252               3,380,659
        Issuance of common stock........................................         6,723,378              50,430,370
        Issuance of preferred stock.....................................           687,223                     ---

</TABLE>
   The accompanying notes are an integral part of these financial statements.


                                        38

<PAGE>

                            ESENJAY EXPLORATION, INC.

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.       SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:

         BASIS OF PRESENTATION - Esenjay Exploration, Inc.'s (the "Company")
primary business activities include gas and oil exploration, production and
sales, primarily along the Texas and Louisiana Gulf Coast areas of the United
States. The accompanying consolidated financial statements include the accounts
of the Company, and its subsidiaries. All significant intercompany accounts and
transactions have been eliminated upon consolidation.

         The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from these estimates.

         CASH EQUIVALENTS - The Company considers all investments with a
maturity of three months or less when purchased to be cash equivalents.

         GAS AND OIL PROPERTIES - The Company uses the successful efforts method
of accounting for gas and oil exploration and development costs. All costs of
acquired wells, productive exploratory wells, and development wells are
capitalized and depleted by the unit of production method based upon estimated
proved developed reserves. Exploratory dry hole costs, geological and
geophysical costs, and lease rentals on non-producing leases are expensed as
incurred. Gas and oil leasehold acquisition costs are capitalized. Costs of
unproved properties are transferred to proved properties when reserves are
proved. Gains or losses on sale of leases and equipment are recorded in income
as the sales are completed and depleted by the unit of production method based
upon estimated proved reserves. Valuation allowances are provided if the net
capitalized costs of gas and oil properties at the field level exceed their
realizable values based on expected future cash flows. This analysis resulted in
$358,106 and $1,560,990 of impairment charges during 1999 and 1998,
respectively. Unproved properties are periodically assessed for impairment and,
if necessary, a loss is recognized. Pursuant to this process, additional
impairments of $4,271,034 were also recognized in 1998.

         In addition, the $54,200,000 fair market value assigned to unproven gas
and oil exploration projects contributed by Esenjay Petroleum Corporation
("EPC") and Aspect Resources LLC ("Aspect") pursuant to certain acquisitions of
undeveloped exploration projects (the "Acquisitions") which closed on May 14,
1998 is, until such time as the book value of each such project is either
drilled and transferred to producing properties or is otherwise evaluated as
impaired, are being amortized on a straight-line basis over a period not to
exceed forty-eight months. Such amortization was $7,546,000 and $6,937,300 for
the years ended December 31, 1999 and 1998, respectively. The balance in this
amortizing group of unproven properties was 13,392,100 and 43,800,198 at
December 31, 1999 and 1998, respectively.

         The costs of multiple producing properties acquired in a single
transaction are allocated to individual producing properties based on estimates
of gas and oil reserves and future cash flows.

         OTHER PROPERTY AND EQUIPMENT - Other property and equipment is carried
at cost. The Company provides for depreciation of other property and equipment
using the straight-line method over the estimated useful lives of the assets,
which range from three to ten years.

         Upon sale or retirement of an asset, the cost of the asset disposed of
and the related accumulated depreciation are removed from the accounts, and the
resulting gain or loss is reflected in income.

         INCOME TAXES - The Company accounts for income taxes on an asset and
liability method which requires, among other things, the recognition of deferred
tax liabilities and assets for the tax effects of temporary differences between
the financial and tax bases of assets and liabilities, operating loss
carryforwards, and tax credit carryforwards.


                                        39


<PAGE>



         COMMODITY TRANSACTIONS - The Company attempts to minimize the price
risk of a portion of its future oil and gas production with commodity futures
contracts. Gains and losses on these contracts are recognized in the period in
which revenue from the related gas and oil production is recorded or when the
contracts are closed. To the extent that the quantities hedged under the
commodity transaction exceed current production, the Company recognizes gains or
losses on the overhedged amount.

         CAPITALIZED INTEREST - The Company capitalizes interest costs incurred
on exploration projects. Interest capitalized for the years ended December 31,
1999 and 1998 was approximately $1,023,221 and $456,901, respectively.

         GAS BALANCING - The Company records gas revenue based on the
entitlement method. Under this method, recognition of revenue is based on the
Company's pro-rata share of each well's production. During such time as the
Company's sales of gas exceed its pro-rata ownership in a well, a liability is
recorded, and conversely a receivable is recorded for wells in which the
Company's sales of gas are less than its pro-rata share. The Company's gas
balancing position at December 31, 1999 and 1998 was approximately 114,721 MCF
and 29,244 MCF overproduced, respectively.

         EXPLORATION COSTS - The Company expenses exploratory dry hole costs,
geological and geophysical costs, and impairment of unproved properties. In 1999
and 1998, the Company expensed $1,597,372 and $5,882,307 in geological and
geophysical costs, respectively, and $692,642 and $5,213,930 in dry hole costs,
respectively. For purposes of reporting cash flows, the Company adds back to
operating activities all exploration costs which have been previously
capitalized, such as dry hole costs.

         FAIR VALUE OF FINANCIAL INSTRUMENTS - Statement of Financial Accounting
Standards No. 107. "Disclosures about Fair Value of Financial Instruments"
requires disclosure regarding the fair value of financial instruments for which
it is practical to estimate that value. The carrying amount of cash and cash
equivalents, accounts receivable and accounts payable, approximates fair market
value because of the short maturity of those instruments. The fair value of the
Company's long-term debt is estimated to approximate carrying value based on the
borrowing rates currently available to the Company for bank loans with similar
terms and average maturities.

         The Company has interest rate and gas swap agreements that subject it
to off-balance sheet risk. The unrealized losses on these contracts, as
disclosed in the following footnotes, are based on market quotes. These
unrealized losses are not recorded in the consolidated financial statements to
the extent the swaps qualify for hedge accounting.

         EARNINGS PER SHARE - Basic earnings per share has been computed by
dividing net income to common shareholders by the weighted average number of
common shares outstanding. Diluted earnings per share is calculated by dividing
net income to common shareholders by the weighted average number of common
shares outstanding plus dilutive potential common shares. For the years ended
December 31, 1999 and 1998 all potentially diluted securities are anti-dilutive
and therefore are not included in the earnings per share calculation.

         The following table presents information necessary to calculate basic
and diluted earnings per share for the periods indicated:

<TABLE>
<CAPTION>
                                                                                                    1999             1998
                                                                                               -------------    --------------
<S>                                                                                            <C>              <C>
     BASIC AND DILUTED EARNINGS PER SHARE

        Weighted average common shares outstanding ......................................        16,612,314         9,882,227
                                                                                               =============    ==============
        Basic and diluted loss per share.................................................      $      (0.62)    $       (2.97)
                                                                                               =============    ==============

     EARNINGS FOR BASIC AND DILUTED COMPUTATION
        Net loss.........................................................................      $(10,250,238)    $ (29,321,347)
        Preferred share dividends........................................................               ---           (48,136)
                                                                                               -------------    --------------
        Net loss to common shareholders (basic and diluted loss per share computation)...      $(10,250,238)    $ (29,369,483)
                                                                                               =============    ==============
</TABLE>

                                        40


<PAGE>



2.       RECENT EVENTS

         On January 25, 2000, the Company closed a credit facility with Deutsche
Bank AG, New York branch. This facility provides for Deutsche Bank to loan up to
$29,000,000 to be available in two tranches. Tranche A is in the amount of
$20,000,000, with $12,000,000 established as the current available borrowing
base, and Tranche B is fully drawn in the amount of $9,000,000. Under the terms
and conditions of this facility, the facilities existing at December 31, 1999
with Duke Energy Financial Services, Inc. and Bank of America, NT&SA, were paid
in full utilizing approximately $15,800,000 of the available proceeds from
Deutsche Bank. Tranche A will mature on January 25, 2001, at which time any
remaining unpaid principle will convert to a five-year monthly amortizing term
loan. The Tranche B loan is payable interest only through April 30, 2001 after
which date the amount available decreases by 25% per quarter beginning April 30,
2000 with a final maturity in January of 2006. In addition, the Company must
remain in compliance with certain covenants required by Deutsche Bank, including
a redetermination of the borrowing base every six months. The company also is
required to assign an overriding royalty interest to Deutsche Bank for those
wells logged prior to the later of the maturity date of Tranche B or the Tranche
A termination date or the date the Tranche B Loan is repaid. The Company may
repurchase this overriding royalty interest prior to April 30, 2002, if all
Tranche B loans are repaid in full.

         In February of 2000, in conjunction with its financing with Deutsche
Bank, the Company restructured all existing natural gas hedges with an affiliate
of Deutsche Bank. Pursuant to these hedges, the Company now has 9,381 MMBtu/day
of net production hedged in March, 2000, 9,031 MMBtu/day hedged for the second
quarter of 2000, 8,646 MMBtu/day for the third quarter of 2000, 8,278 MMBtu/day
for the fourth quarter of 2000, 7,161 MMBtu/day for the first quarter of 2001,
6,880 MMBtu/day for the second quarter of 2001, 6,600 MMBtu/day for the third
quarter of 2001, and 6,319 MMBtu/day for the fourth quarter of 2001. All hedges
are at $2.45 per MMBtu. Concurrent with the restructuring of the hedges, the
Company was relieved of any liability or rights pursuant to all previously
existing natural gas hedges. An existing "collar" hedge arrangement on 280
barrels of oil per day in the first quarter of 2000, and 256 and 237 barrels of
oil per day in the second and third quarters of 2000, respectively, was
transferred to the Deutsche Bank affiliate at the existing $18.00 floor price
and $20.40 cap price. These positions were supplemented with oil hedges at
$21.03 per barrel on volumes of 238 barrels of oil per day in the fourth quarter
of 2000 and 175, 168, 161, and 154 barrels of oil per day in the first through
fourth quarters of 2001, respectively. First quarter 2000 hedges are estimated
to approximate 68% of the Company's natural gas and 53% of its oil production
for such quarter. Future percentages will vary.

         In October of 1999 the Company entered a transaction wherein it sold an
interest in its Papalote Project which created a deferred gain on sale of
$1,797,707. This is shown as a deferred liability because, as part of the same
transaction, the Company incurred an obligation to conduct a 3-D seismic survey
over the project area at the Company's cost. Until the final cost to the Company
of this 3-D seismic survey is incurred, the gain on sale, if any, cannot be
calculated. The gain on sale, if any, will be recognized in 2000 after
anticipated completion of the 3-D seismic survey.

         As a result of the above-referenced transactions, the Company has
hedged varying quantities of its natural gas and oil production through December
of 2001.

         On March 20, 2000, the Company closed the sale of approximately 84.39%
of its interest in its Raymondville Project in Willacy County for net cash
proceeds of $10,585,981 million. Pursuant to this sale the Company sold
3,462,967 MCFE of its reserves classified as proven as of December 31, 1999.

3.       STOCKHOLDERS' EQUITY:

         As a result of the Company's 1:6 reverse stock split effected May 14,
1998, all numbers of common shares and per share amounts have been restated for
all periods.

         In 1999 and 1998 the Company issued 3,052,865 and 14,128,850 additional
shares of common stock, respectively.

         On May 14, 1998, the shareholders approved the January 19, 1998
Acquisition Agreement with EPC and Aspect. This agreement called for the Company
to issue up to 5,165,260 shares of Common Stock, after giving


                                        41



<PAGE>

effect to the reverse split, to EPC in exchange for undeveloped oil and gas
prospects and to issue up to 4,941,440 shares of Common Stock, after giving
effect to the reverse split, to Aspect in exchange for undeveloped oil and
gas prospects. The combined assets of Aspect and EPC had a historical full
cost basis of $19,900,000 and a fair value of $54,200,000 as determined by an
independent assessment by Cornerstone Ventures L.P. In addition, after
November 1, 1997 (the effective date) and prior to the date of closing, EPC
incurred approximately $3,800,000 in exploration and development costs and
$300,000 in overhead costs associated with the prospects and Aspect incurred
approximately $3,955,000 in such costs, all of which incurred costs were for
the account of the Company.

         On May 12, 1999, the Company announced that on May 11, 1999 it had
signed a Plan and Agreement of Merger with 3DX Technologies Inc. ("3DX") which
provided for the merger of 3DX into the Company (the "Acquisition"). The
shareholders of both companies approved the transaction at duly called
shareholders meetings on September 23, 1999 and the merger was consummated the
same day. The purchase price of the Acquisition was approximately $7.4 million,
of which $6.7 million was in the Company's common stock and $0.7 million was in
the Company's preferred stock.

         The terms of the merger provided for 3DX shareholders to receive, at
their election, either (i) the issuance of one share of Esenjay common stock for
3.25 shares of 3DX common stock; or (ii) the issuance of a new Esenjay
convertible preferred stock at a ratio of one share of Esenjay convertible
preferred stock for each 2.75 shares of 3DX common stock. Approximately 91% of
the 3DX common shares converted into Esenjay common stock and approximately 9%
were converted into Esenjay convertible preferred stock. As a result, Esenjay
issued approximately 2,906,778 new shares of common stock and approximately
356,999 shares of convertible preferred stock. The convertible preferred stock
may be redeemed at Esenjay's sole option until September 23, 2000 at $1.925 per
share. If not redeemed by that time, the preferred will automatically convert
into one share of Esenjay common stock on October 1, 2000 if the average closing
price of Esenjay common stock is greater than or equal to $1.875 during the
month of September 2000. If the Esenjay common stock averages less than $1.875
in September of 2000, the preferred holder has the right, during the month of
October of 2000, to "put" the shares to Esenjay. If put, Esenjay will then have
the right to retire the convertible preferred stock for $1.65 in cash or for
common stock with the number of shares of common stock adjusted based upon a
formula set out in the merger agreement. Under any scenario the convertible
preferred stock is scheduled to be converted or redeemed not later than November
1, 2000. Prior to that time no dividends accrue or are required to be paid other
than as would participate with any common stock dividends, which common stock
dividends are not anticipated to be declared.

         In May of 1999, seven directors of the Company each subscribed for the
purchase of 12,000 shares of common stock of the Company for an aggregate total
of 84,000 shares. The shares were at a price of $1.83 per share payable
one-third upon subscription, one-third in May of 2000 and one-third in May of
2001. Shares are to be delivered in 2000. At December 31, 1999, the Company had
a common stock subscription receivable of $109,800 outstanding related to these
shares.

         CUMULATIVE CONVERTIBLE PREFERRED STOCK - During 1998, $48,136 was
declared and paid in cumulative preferred stock dividends. In addition, during
1998 the Company paid dividends in arrears of $180,518 ($1.50 per share) on its
cumulative preferred stock for the period from May 1, 1995 to December 31, 1998.
All shares of the cumulative convertible preferred stock were redeemed in May of
1998.

         WARRANTS - As of December 31, 1997, there were 263,013 Series A
Warrants outstanding. All of the Series A Warrants expired on November 13, 1998.

         Since December 31, 1997, the Company has had Series B Warrants, which
entitles the holder to purchase one-sixth (1/6) share of common stock for $12.15
until August 8, 2001. Each Series B Warrant is redeemable by the Company with
the prior consent of the underwriter at a price of $0.06 per Series B Warrant,
at any time after the Series B Warrants become exercisable, upon not less than
30 days notice, if the last sale price of the common stock has been at least
200% of the then exercise price of the Series B Warrants for the 20 consecutive
trading days ending on the third day prior to the date on which the notice of
redemption is given.

         The Company had also issued a common stock warrant to purchase 4,167
shares of common stock at $24.00 per share in connection with a loan agreement.
This warrant expired on November 13, 1998. The loan was paid in full in 1993.

                                        42


<PAGE>



         The Company and Hi-Chicago Trust agreed to a settlement in December
1995 whereby the Company issued 12,500 shares of common stock and a stock
purchase warrant to purchase up to 50,000 shares of common stock at an exercise
price of $18.00 per share to settle a claim asserted by Hi-Chicago Trust. The
warrant is exercisable through the earlier of 60 months from the settlement date
or for a period of 30 days after the closing bid price of the Company's stock
equals or exceeds $36.00 per share for sixty consecutive trading days.

         In 1996, the Company issued to a bank providing financing, a warrant to
purchase up to 41,667 shares of common stock for a period of five years
beginning January 3, 1996, at an exercise price of the highest average of the
daily closing bid prices for thirty (30) consecutive trading days between
January 1, 1996, and June 30, 1996. The Company has recorded the warrants at a
value of approximately $82,500 as unamortized value of warrants issued. The
warrants were amortized using the interest method and were fully amortized
during 1998.

         The Company has also issued a warrant to purchase 41,667 shares of the
Company's common stock at $12.00 per share to a financial advisor. The warrant
has a five year term commencing on January 12, 1996 and provides for
anti-dilution protection, registration rights, and permits partial exercise at
the election of the holder by exchanging the warrants with appreciated value
equal to each exercise price in lieu of cash. The Company has recorded the
warrants at their fair value of approximately $33,000.

         On January 15, 1997, the Board of Directors authorized the Company to
enter into an agreement with a company to perform investor relations services
for the Company on a fee basis through January 15, 1999, and month to month
thereafter, which fee may be paid either in cash or common stock at the election
of the Company. The Company elected to compensate the investor relations firm
partially in cash and partially in stock, therefore the investor relations firm
was issued 12,500 shares of common stock during 1998 and no shares in 1999.

         In the first quarter of 1998, the Company, in connection with a
financing arrangement, issued warrants to purchase 25,000 shares of common stock
at an exercise price of $3.00 per share.

         On October 13, 1998, the Company entered into an amended credit
agreement with B of A part of which called for the Company to issue warrants to
purchase 95,000 shares of common stock at a price per share equal to the average
daily closing price of the Company's common stock during the 30 calendar days
prior to closing. The warrants have a five-year term and provide for usual and
customary anti-dilution protection, registration rights, and put and call
provisions (including a call on the warrants if the stock price exceeds five
times the strike price). The warrants were canceled in January of 2000 at which
time B of A was repaid all amounts due pursuant to the amended credit agreement.

         EMPLOYEE OPTION PLANS - The Company has option plans for employees and
directors which authorize the issuance of up to 3,000,000 options to purchase
one share of common stock. Options to purchase 1,259,667 shares of common stock
at prices ranging from $1.83 to $3.78 are currently outstanding.

         Under the plans, the Board may grant options to officers and other
employees. Each option shall consist of an option to purchase one share of
common stock at an exercise price that shall be at least the fair market value
of the Common stock on the date of the grant of the option. However, the Board
may authorize vesting options as it deems necessary. Unless otherwise so
designated, the options shall be exercisable at a rate of 33 1/3% in the year
following the effective date of the grant, and 33 1/3% each of the two years
thereafter. The Option holder's right is cumulative. Unless otherwise designated
by the Board, if the employment of the Option holder is terminated for any
reason, all unexercised Options shall terminate, be forfeited and shall lapse
within three months thereafter. The options have a maximum life of ten years
from the date of issuance.

                                        43

<PAGE>



         The following table summarizes activity under the Company's stock
option plans for the years ended December 31, 1999 and 1998.
<TABLE>
<CAPTION>
                                                                      EMPLOYEE OPTION PLANS
                                                                 -----------------------------
                                                                       1999            1998
                                                                 --------------  -------------
<S>                                                             <C>              <C>
Shares available for grant...............................           3,000,000         115,892
Shares under option at end of period.....................           1,259,667          94,001
Option price per share...................................        $1.83 - 3.78     $3.78-$7.68
Shares exercisable at end of period......................             480,303          90,667
Shares forfeited.........................................                 ---             ---
Weighted average option price............................               $2.42           $3.92
Weighted average fair value
  of options granted during
  the year at market price..............................                $1.34             ---

</TABLE>

         The Company has adopted the disclosure-only provisions of Statement of
Financial Accounting Standards No. 123, "Accounting for Stock-Based
Compensation". Accordingly, no compensation cost has been recognized for the
stock option plans. Had compensation cost for the Company's stock option plans
been determined based on fair value at the grant date for awards in 1999 and
1998 consistent with the provisions of SFAS No. 123, the Company's pro forma net
loss applicable to common stockholders and net loss per common and common
equivalent share would have been as indicated below:
<TABLE>
<CAPTION>
                                                                                 1999                 1998
                                                                          ------------------  -----------------
<S>                                                                       <C>                 <C>
Net loss applicable to common stockholders-as reported ...............     $  (10,250,238)     $  (29,369,483)
Net loss applicable to common stockholders-pro forma .................     $  (11,247,486)     $  (41,198,653)
Net loss per common share-as reported ................................     $        (0.62)     $        (2.97)
Net loss per common share-pro forma ..................................     $        (0.68)     $        (2.50)

</TABLE>

         The fair value of each option grant is estimated on the date of grant
using the Black-Scholes option-pricing model with the following weighted-average
assumptions: no dividends; expected volatility of 80.99% and 60% in 1999 and
1998; risk-free interest rate of 5.625% and 5.71% in 1999 and 1998; and expected
lives of 10 years.

4.       SALE OF GAS AND OIL ASSETS AND SEISMIC DATA:

         The Company sold various interests in a number of different projects,
prospects and wells during 1999 and 1998. These sales resulted in an aggregate
gain of approximately $2,243,511 in 1999. The Company recorded an deferred gain
on sale of $1,797,707 in relation to an ongoing sale in the Company's Papalote
project. As a part of the sales transaction the Company is required to conduct a
3-D seismic survey over the project area. The survey is currently being shot
over the project area and the gain on sale, if any, will be recognized upon the
completion of the 3-D seismic survey. No gain or loss was recorded on the sale
of oil and gas assets in 1998 as these were the sale of partial interests in
several unproved properties and the proceeds were treated as a recovery of costs
incurred.


                                        44

<PAGE>


5.       LONG-TERM DEBT:  (SEE NOTE 2)

         Long-term debt consists of the following:
<TABLE>
<CAPTION>
                                                                                                  DECEMBER 31,
                                                                                          ----------------------------
                                                                                              1999             1998
                                                                                          -----------      -----------
<S>                                                                                       <C>             <C>
Non-recourse loan, payable out of an 8%ORRI on the Starboard Prospect,
   interest accrued at 15% .........................................................      $   864,000      $   864,000
Note payable to bank paid in 1999 ..................................................              ---            1,236
Note payable, interest at 12%, payable monthly, is currently due ...................          100,000          100,000
Loan with Bank of America NT&SA ("B of A"), in two Tranches: Tranche A is a
   revolving credit facility which terminates October 13, 2000, thereafter
   converting the unpaid balance into a five year term loan requiring quarterly
   principle and interest payments; Tranche B is payable as to interest only
   until maturity on April 13, 2000, at which time payment in full is required .....
   Both loans are at a varied interest rate utilizing either the B of A's
   Alternative Reference Rate (Alternative Reference Rate is the greater of (i)
   B of A's Reference Rate and (ii) the Federal Funds effective rate plus 0.50%)
   or the Interbank rate plus 2%for Tranche A and 4%for Tranche B. The loan is
   secured by a mortgage on most properties currently owned by the Company .........        8,523,162        7,500,000
Loan with Duke Energy Field Services, Inc., which provided for up to
    $9,000,000 to the Company for eighteen months pursuant to a decreasing
    facility.  The commitment reduces by $930,000 per, and reducing to zero on
    August 1, 2000.  Total available as of December 31, 1999 was $7,140,000. The
    interest rate is prime plus 4%.  The loan is secured by a mortgage on all
    properties currently owned by the Company ......................................        7,140,000              ---
                                                                                          -----------      -----------
                                                                                           16,627,162        8,465,236

Less current portion ...............................................................       11,013,162          101,236
                                                                                          -----------      -----------
                                                                                          $ 5,614,000      $ 8,364,000
                                                                                          ===========      ===========
</TABLE>


         Maturities of long-term debt (excluding non-recourse debt, which is
solely dependent upon the successful development and future production, if any,
of the Starboard Prospect) are as follows:
<TABLE>
<CAPTION>

   YEAR                                                                                    AT DECEMBER 31,
   ----                                                                                   ----------------
                                                                                               1999(1)
                                                                                               ----
<S>                                                                                        <C>
   2000..............................................................................       11,013,162
   2001..............................................................................          950,000
   2002..............................................................................          950,000
   2003..............................................................................          950,000
   2004..............................................................................          950,000
   2005..............................................................................          950,000

</TABLE>

(1)      All outstanding amounts shown were repaid with proceeds from the credit
         facility with Deutsche Bank. (See Note 2 for maturities under this
         facility over the next 5 years.)

         On October 13, 1998, the Company amended and restated the credit
agreement dated January 3, 1996 with B of A to an amount equal to the lesser of
the Collateral Value, or $20,000,000. The amended agreement provided for an
immediate borrowing base of up to $9,000,000 ($8,250,000 if the Company did a
third party financing in which the third party lender would share in certain
collateral of B of A). In conjunction with this financing, B of A received a 2%
overriding royalty interest, proportionately reduced to the Company's net
interest, in the properties classified proven as of the date of closing and
received a five year warrant to purchase 95,000 shares of common stock at a
price equal to the average daily closing price of the Company's common stock for
the thirty days prior to


                                        45


<PAGE>


closing of the credit agreement. Proceeds of the loan primarily supplement
working capital. As part of the credit agreement, the Company was subject to
certain covenants and restrictions, among which are the limitations on
additional borrowing, and sales of significant properties, working capital,
cash, and net worth maintenance requirements and a minimum debt to net worth
ratio. The loan has been repaid. In the event the loan had not been repaid,
the Company would have to have requested a waiver. (See Note 2 - Recent
Events.)

         The Company has entered into an interest rate swap guaranteeing a fixed
interest rate of 5.37% on the loan, and the Company will pay fees of
three-eighths of 1% (.0375%) on the unused portion of the commitment amount. The
unrealized loss on the interest rate swap agreement was $1,558 at December 31,
1999. The actual rate for the Company is the fixed rate of 5.0% plus 2% on
Tranche A and the fixed rate of 5.0% plus 4% on Tranche B of the loans from B of
A. This swap was settled in January of 2000. (See Note 2 - Recent Events.)

         On January 28, 1999, the Company closed a credit facility with Duke.
This facility provided for Duke to loan up to $9,000,000 to the Company for
eighteen months. The Company had $7,140,000 outstanding on said facility as of
September 30, 1999,which represented the total amount then available. The
commitment initially reduced by $930,000 per quarter until it would reduce to
zero on August 1, 2000. Effective November 1, 1999, the Company and Duke amended
the credit agreement such that there was no reduction in the available amount of
$7,140,000 on November 1, 1999. As a result, the commitment amount was scheduled
to reduce by $1,860,000 in February of 2000, $930,000 in May of 2000, and reduce
to 0 in August of 2000. Principal outstanding cannot exceed the commitment
amount at any time. Duke is paid interest at a rate of prime plus 4%. It also
received a right to gather and process, at fair market value, gas and condensate
from a designated area of interest, and a net revenue interest in certain of the
Company's future drilling activities not to exceed 0.49% of the Company's net
interest. Proceeds primarily supplement exploration costs. The note was repaid
in January 2000. (See Note2 - Recent Events).

6.       INCOME TAXES:

         Deferred tax assets and liabilities are as follows:
<TABLE>
<CAPTION>
                                                                                   AT DECEMBER 31,
                                                                            ---------------------------------
                                                                               1999                1998
                                                                            ----------------   --------------
<S>                                                                         <C>                <C>
Net operating tax loss carry forward.................................        $  17,590,565      $  11,633,159
Property and equipment...............................................            2,166,546           (435,246)
Valuation allowance..................................................          (19,757,111)       (11,197,913)
                                                                             -------------      -------------


   Net deferred tax asset (liability)................................        $         ---      $         ---
                                                                             =============      =============
</TABLE>

         The Company has recorded a deferred tax valuation allowance since,
based on an assessment of all available historical evidence, it is more likely
than not that future taxable income will not be sufficient to realize the tax
benefit. The Company and its subsidiaries have net operating loss carryforwards
("NOLs") at December 31, 1999, of approximately $50,258,757 which may be used to
offset future taxable income. The operating loss carryforwards expire in the tax
years 2006 through 2019.

         The ability of the Company to utilize NOLs and tax credit carryforwards
to reduce future federal income taxes of the Company may be subject to various
limitations under the Internal Revenue Code of 1986, as amended (the "Code").
One such limitation is contained in Section 382 of the Code which imposes an
annual limitation on the amount of a corporation's taxable income that can be
offset by those carryforwards in the event of a substantial change in ownership
as defined in Section 382 ("Ownership Change"). In general, Ownership Change
occurs if during a specified three-year period there are capital stock
transactions, which result in an aggregate change of more than 50% in the
beneficial ownership of the stock of the Company. In connection with the
Acquisition Agreement, the Company has incurred such an Ownership Change.

7.       RELATED PARTY TRANSACTIONS:

         The Company's outstanding advances to employees and affiliates of the
Company at December 31, 1999 and 1998 were $472,827 and $963,700, respectively.
The December 31, 1999 and 1998 receivables include $47,787 from an affiliated
partnership for which the Company serves as the managing general partner. The
December 31,


                                        46


<PAGE>


1999 and 1998 includes receivables of $190,923 and $915,342, respectively,
from Esenjay Petroleum Corporation (EPC) relating to joint interest billings.
In addition, at December 31, 1999 and 1998, the Company had a net payable to
Aspect in the amount of $2,083,913 and $4,322,548, respectively; in June 1999
the Company closed a sale to Aspect of 12.5% (of 100%) interest in its Caney
Creek project and a 12% (of 100%) interest in the Gillock project, and all of
the Company's undeveloped interests in the West Beaumont project area for an
aggregate of approximately $2,700,000. Proceeds from the sale were used to
settle amounts due Aspect.

8.       COMMITMENTS AND CONTINGENCIES:

         The Company leases office space under lease agreements, which are
classified as operating leases. Lease expense under these agreements was
$291,169 in 1999 and $193,515 in 1998. A summary of future minimum rentals on
these non-cancelable operating leases is as follows:

<TABLE>
<CAPTION>
                                                                          AT DECEMBER 31,
                                                                          ----------------
         YEAR                                                                 1999
         ----                                                                 ----
        <S>                                                                <C>
         2000.....................................................          $306,190
         2001.....................................................           248,445
         2002.....................................................           168,137
         2003.....................................................            84,068

</TABLE>

         The Company markets its natural gas through monthly spot sales. Because
sales made under spot sales contracts result in fluctuating revenues to the
Company depending upon the market price of gas, the Company may enter into
various hedging agreements to minimize the fluctuations and the effect of price
declines or swings. During January 1999, the Company completed performance on a
1996 swap agreement on approximately 1,040 MMBtu's per day of Mid-Continent
natural gas production for $1.566 per MMBtu for the period beginning April 1,
1996 and ending January 31, 1999.

         In October of 1998, the Company entered into two swap agreements, one
for 4,000 MMBtu's per day of its Gulf Coast natural gas production for $2.14 per
MMBtu for the period beginning November 1998 and ending in October 1999, and the
second one for 700 MMBtu's per day of its Gulf Coast natural gas production for
$2.13 per MMBtu for the period beginning November 1998 and ending in October
1999. Both of these swap agreements were supplemented in December 1998 when the
Company entered into additional swap agreements, one of which was for 4,000
MMBtu's per day of its Gulf Coast natural gas production for $2.07 per MMBtu for
the period beginning November 1999 and ending in October 2000, and the second
one was for 700 MMBtu's per day of its Gulf Coast natural gas production for
$2.07 per MMBtu for the period beginning November 1999 and ending in October
2000.

         In September of 1999, the Company entered into a series of swap
agreements on additional natural gas and oil production. It hedged 5,000 MMBtu's
per day of natural gas for the months of September through December 1999 at a
price of $3.055 per MMBtu, it hedged 3,000 MMBtu's per day for the period of
January through March of 2000, 2,400 MMBtu's per day for the period April
through June of 2000, and 1,700 MMBtu's per day for the period of July through
September of 2000, the latter three hedges of which were all at a price of $2.68
per MMBtu. In addition, the Company entered into a "collar" hedge arrangement on
certain of its oil production. This oil hedge was for a quantity equal to 300
barrels of oil per day in the fourth quarter of 1999, 280 barrels of oil per day
in the first quarter of 2000, 256 barrels of oil per day in the second quarter
of 2000, and 237 barrels of oil per day in the third quarter of 2000, all of
which transactions were structured with an $18.00 floor price and a $20.40 cap
price.

         In January of 2000 the above hedge instruments were assumed by Deutsche
Bank AG and the natural gas hedges were restructured. (See Note 2 - Recent
Events.)

9.    ACQUISITIONS:

         On May 14, 1998, the Company acquired substantial interests in 28
exploration projects from EPC and Aspect in exchange for 10,106,700 shares of
the Company's common stock. The estimated fair value on the date of acquisition
was approximately $60 million, which consists of the fair market value of $54.2
million, as determined


                                        47


<PAGE>


by an independent third party, plus project costs from the effective date of
November 1, 1997 up to the closing of the Acquisition Agreement. The acquired
projects are primarily technology enhanced natural gas exploration projects
along the Texas and Louisiana Gulf Coast.

         On May 12, 1999, the Company announced that on May 11, 1999 it had
signed a Plan and Agreement of Merger with 3DX Technologies Inc. ("3DX") which
provided for the merger of 3DX into the Company (the "3DX Acquisition"). The
shareholders of both companies approved the transaction at duly called
shareholders meetings on September 23, 1999 and the merger was consummated the
same day. The purchase price of the 3DX Acquisition was approximately $7.4
million, of which $6.7 million was in the Company's common stock and $0.7
million was in the Company's preferred stock. The 3DX Acquisition included, at
fair value, current assets of $2.5 million, property and equipment of $5.8
million, other assets of $0.1 million and liabilities of $0.9 million.

         3DX Technologies Inc. was a Houston-based exploration and production
company whose strategic business focus was the utilization of 3-D seismic
imaging and other advanced technologies in the search for natural gas and oil
principally in the onshore gulf coast of the United States. As a result of the
merger, the Company employed four members of the reservoir engineering and
geophysical staff of 3DX, plus one support person, increased its gas and oil
reserves, its monthly gas and oil revenues, and expanded its ownership of 3D
seismic data and projects.

         The acquisitions have been accounted for using the purchase method of
accounting and, accordingly, the purchase price has been allocated to the assets
and liabilities acquired based on fair value at the date of acquisition. The
operating results of the acquisitions have been included in the Company's
consolidated financial statements from their respective dates of acquisition.
The following unaudited pro forma information presents a summary of the
consolidated results of operations for the years ended December 31, 1999 and
1998 as if the acquisitions had occurred on January 1, 1998.

<TABLE>
<CAPTION>
        1999 AND 1998 ACQUISITIONS:                                               YEAR ENDED DECEMBER 31,
                                                                         -------------------------------------------
                                                                                 1999                   1998
                                                                         ---------------------    ------------------
       <S>                                                               <C>                      <C>
        Revenues...................................................          $   14,176,091           $  6,315,147
        Total costs and expenses...................................              28,393,836             47,513,800
                                                                         ---------------------    ------------------
        Net loss...................................................          $  (14,217,745)           (41,198,653)
                                                                         =====================    ==================
        Basic and diluted loss per share...........................          $        (0.73)          $      (2.50)
                                                                         =====================    ==================
        Weighted average number of common shares
              Outstanding..........................................              19,518,839             16,471,822
                                                                         =====================    ==================
<CAPTION>

        1998 ACQUISITION                                                                             YEAR ENDED
                                                                                                    DECEMBER 31,
                                                                                                  ------------------
                                                                                                        1998
                                                                                                  ------------------
       <S>                                                                                        <C>
        Revenues.............................................................................        $  1,716,473
        Total costs and expenses.............................................................          33,325,677)
                                                                                                  ------------------
        Net loss.............................................................................        $(31,609,204)
                                                                                                  ==================
        Basic and diluted loss per share.....................................................        $      (2.33)
                                                                                                  ==================
        Weighted average number of common shares
              outstanding....................................................................          13,564,983
                                                                                                  ==================

</TABLE>

                                        48


<PAGE>


10.      PROPERTY AND EQUIPMENT
<TABLE>
<CAPTION>
                                                                                 YEAR ENDED DECEMBER 31,
                                                                          ---------------------------------
                                                                                1999             1998
                                                                          ---------------    --------------
        <S>                                                              <C>                <C>
         Gas and oil properties, at cost, successful
              efforts method of accounting:
                  Proved .......................................          $   30,586,079     $   14,006,244
                  Unproved, subject to amortization ............              13,392,100         43,800,198
                  Unproved, not subject to amortization ........              34,180,470         10,835,056
                                                                          --------------     --------------
                     Total gas and oil properties ..............              78,158,649         68,641,498
                  Other property and equipment .................               1,962,132          1,403,384
                                                                          --------------     --------------
         Total oil and gas properties and equipment ............              80,120,781         70,044,882

         Less accumulated depletion, depreciation
              and amortization .................................             (25,937,472)       (15,517,656)
                                                                          ==============     ==============
                                                                          $   54,183,309     $   54,527,226
                                                                          ==============     ==============
</TABLE>

11.      SUPPLEMENTAL GAS AND OIL INFORMATION (UNAUDITED):

         The Company's proved gas and oil reserves are located in the United
States. Proved reserves are those quantities of natural gas and crude oil which,
upon analysis of geological and engineering data, demonstrate with reasonable
certainty to be recoverable in the future from known gas and oil reservoirs
under existing economic and operating conditions (i.e. price and costs as of the
date the estimate is made). Proved developed (producing and non-producing)
reserves are those proved reserves which can be expected to be recovered through
existing wells with existing equipment and operating methods. Proved undeveloped
gas and oil reserves are reserves that are expected to be recovered from new
wells on undrilled acreage, or from existing wells where a relatively major
expenditure is required for recompletion.

         Reserves on undrilled acreage shall be limited to those drilling units
offsetting productive units that are reasonably certain of production when
drilled. Proved reserves for other undrilled units can be claimed only where it
can be demonstrated with certainty that there is continuity of production from
the existing productive formation.

         FINANCIAL DATA

         The Company's gas and oil producing activities represent substantially
all of the business activities of the Company. The following costs include all
such costs incurred during each period, except for depreciation and amortization
of costs capitalized:

COSTS INCURRED IN GAS AND OIL EXPLORATION AND PRODUCTION ACTIVITIES:
<TABLE>
<CAPTION>
                                                          YEAR ENDED DECEMBER 31,
                                                    ---------------------------------
                                                          1999               1998
                                                    -------------       -------------
<S>                                                <C>                  <C>
Acquisition of properties:
   Proved ...................................       $     848,505         $       ---
   Unproved .................................           5,214,982          63,511,000
Exploration costs ...........................          11,577,425          13,412,133
Development costs ...........................             859,349           7,114,820
                                                    -------------       -------------
      Total costs incurred ..................       $  18,500,261       $  84,037,953
                                                    =============       =============
</TABLE>
                                        49


<PAGE>


CAPITALIZED COSTS:
<TABLE>
<CAPTION>
                                                                         AT DECEMBER 31,
                                                                ---------------------------------
                                                                     1999               1998
                                                                -------------       -------------
<S>                                                            <C>                 <C>
Proved ...................................................      $  30,586,079       $  14,006,244
Unproved properties, subject to amortization .............         13,392,100          43,800,198
Unproved properties, not subject to amortization .........         34,180,470          10,835,056
Less accumulated amortization ............................        (24,828,022)        (14,584,784)
                                                                -------------       -------------
      Net capitalized costs ..............................      $  53,330,627       $  54,056,714
                                                                =============       =============
</TABLE>

ESTIMATED QUANTITIES OF PROVED GAS AND OIL RESERVES:
<TABLE>
<CAPTION>
                                                                                                   CRUDE OIL, CONDENSATE AND
                                                                                                   -------------------------
                                                                                                     NATURAL GAS LIQUIDS
                                                                                                     -------------------
                                                                    NATURAL GAS (MCF)                      (BARRELS)
                                                                    -----------------                      ---------

                                                                 YEARS ENDED DECEMBER 31,          YEARS ENDED DECEMBER 31,
                                                                 ------------------------          ------------------------
                                                                    1999            1998             1999              1998
                                                                -----------     -----------      -----------       -----------
<S>                                                             <C>             <C>              <C>               <C>
Proved developed and undeveloped reserves:
   Beginning of period ...................................       11,929,667       5,500,363          100,195           114,399
   Purchases of minerals-in-place ........................          291,055             ---            4,802               ---
   Sales of minerals-in-place ............................              ---             ---              ---               ---
   Revisions of previous estimates .......................       (6,027,430)     (5,284,456)(1)      (45,872)          (97,420)(1)
   Extensions, discoveries and other additions ...........       15,981,338      12,367,076          414,229            92,094
   Production ............................................       (3,381,592)       (653,316)        (100,559)           (8,878)
                                                                -----------     -----------      -----------       -----------
   End of period .........................................       18,793,038      11,929,667          372,795           100,195
                                                                ===========     ===========      ===========       ===========
Proved developed reserves:

   Beginning of period ...................................        6,864,564         521,345           59,085            24,358
   End of period .........................................       17,481,248       6,864,564          371,368            59,085

</TABLE>

(1)      Revision required because the reduced market price for oil and natural
         gas caused the Company to reassess the likelihood of drilling marginal
         wells, particularly in the Starboard Project. As a result, wells that
         had been included in previous estimates were removed because it was now
         more likely than not that these wells would not be drilled because of
         the reduced market price.

STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS:

         The standardized measure of discounted future net cash flows is based
on criteria established by Financial Accounting Standards Board Statement No.
69, "Accounting for Oil and Gas Producing Activities" and is not intended to be
a "best estimate" of the fair value of the Company's oil and gas properties. For
this to be the case, forecasts of future economic conditions, varying price and
cost estimates, varying discount rates and consideration of other than proved
reserves (i.e., probable reserves) would have to be incorporated into the
valuations.

         Future net cash inflows are based on the future production of proved
reserves of natural gas, natural gas liquids, crude oil and condensate as
estimated by petroleum engineers by applying current prices of gas and oil (with
consideration of price changes only to the extent fixed and determinable and
with consideration of the timing of gas sales under existing contracts or spot
market sales) to estimated future production of proved reserves. Average year
end prices used in determining future cash inflows for natural gas and oil for
the periods ended December 31, 1999 and 1998 were as follows: 1999 $2.30 per Mcf
of natural gas, $22.20 per barrel of oil; 1998 - $2.01 per Mcf of natural gas,
$9.03 per barrel of oil, respectively. Future net cash flows are then calculated
by reducing such estimated cash inflows by the estimated future expenditures
(based on current costs) to be incurred in developing and producing the proved
reserves and by the estimated future income taxes. Estimated future income taxes
are computed by applying the appropriate year-end tax rate to the future pretax
net cash flows relating to the Company's estimated proved oil and gas reserves.
The estimated future income taxes give effect to permanent differences and tax
credits and allowances.


                                        50


<PAGE>


         The following table sets forth the Company's estimated standardized
measure of discounted future net cash flows:
<TABLE>
<CAPTION>
                                                                           YEAR ENDED DECEMBER 31,
                                                                           -----------------------
                                                                            1999              1998
                                                                       ------------       ------------
<S>                                                                   <C>                <C>
Future cash inflows .............................................      $ 49,970,700       $ 25,241,119
Future development and production costs .........................       (10,635,400)        (8,478,613)
Future income tax expenses ......................................               ---                ---
                                                                       ------------       ------------
Future net cash flows ...........................................        39,335,300         16,762,506
Discount ........................................................         6,822,200         (4,242,485)
                                                                       ------------       ------------
Standardized measure of discounted future net cash flows ........      $ 32,513,100       $ 12,520,021
                                                                       ============       ============
</TABLE>

         The following table sets forth changes in the standardized measure of
discounted future net cash flows:
<TABLE>
<CAPTION>
                                                                                           YEAR ENDED DECEMBER 31,
                                                                                      ---------------------------------
                                                                                           1999                1998
                                                                                      -------------       -------------
<S>                                                                                  <C>                 <C>
Standardized measure of discounted future cash flows-beginning of period .......      $  12,520,021       $   3,898,500
Sales of oil and gas produced, net of operating expenses .......................         (9,037,645)         (1,021,830)
Purchases of minerals in place .................................................            817,070                 ---
Net changes in sales prices and production costs ...............................          1,067,500          (4,459,331)
Extensions, discoveries and improved recovery, less related costs ..............         47,838,148          13,358,762
Change in future development costs .............................................          1,351,700           5,135,315
Previously estimated development costs incurred during the year ................         (9,353,624)              2,515
Revisions of previous quantity estimates .......................................        (14,486,234)         (1,957,356)
Accretion of discount ..........................................................          2,212,137             402,566
Net change of income taxes .....................................................                ---             127,157
Sales of minerals-in-place .....................................................                ---                 ---
Changes in production rates (timing) and other .................................           (415,973)         (2,966,277)
                                                                                      -------------       -------------

Standardized measure of discounted future cash flows-end of period .............      $  32,513,100       $  12,520,021
                                                                                      =============       =============
</TABLE>

ITEM 8.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURE

         Not Applicable.


                                        51

<PAGE>


                                    PART III

ITEM 9.  DIRECTORS, EXECUTIVE OFFICERS, PROMOTERS AND CONTROL PERSONS;
COMPLIANCE WITH SECTION 16(a) OF THE EXCHANGE ACT

         The information required by this item is hereby partially incorporated
by reference to the Company's proxy statement which will be filed with the
Commission within one hundred twenty (120) days of the close of the fiscal year
pursuant to regulation 14A. There is no additional required information.

ITEM 10. EXECUTIVE COMPENSATION

         The information required by this item is hereby incorporated by
reference to the Company's proxy statement, which will be filed with the
Commission within one hundred twenty (120) days of the close of the fiscal year
pursuant to regulation 14A. There is no additional required information.

ITEM 11. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     The information required by this item is hereby incorporated by reference
to the Company's proxy statement, which will be filed with the Commission within
one hundred twenty (120) days of the close of the fiscal year pursuant to
regulation 14A. There is no additional required information.

ITEM 12.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         The information required by this item is hereby incorporated by
reference to the Company's proxy statement, which will be filed with the
Commission within one hundred twenty (120) days of the close of the fiscal year
pursuant to regulation 14A. There is no additional required information.


                                       52
<PAGE>


                                     PART IV

ITEM 13.  EXHIBITS AND REPORTS ON FORM 8-K
<TABLE>
<CAPTION>
Exhibit                    Name Of Exhibit
- -------                    ---------------
<S>     <C>
2(a)     Acquisition Agreement and Plan of Exchange dated as of January 19,
         1998, by and among Frontier Natural Gas Corporation, Esenjay Petroleum
         Corporation, and Aspect Resources LLC as incorporated by reference to
         the Company's Annual Report on Form 10-KSB for the fiscal year ended
         December 31, 1997 dated April 6, 1998, wherein the same appears as
         Exhibit 2.

2(b)     First Amendment to Acquisition Agreement and Plan of Exchange dated as
         of April 20, 1998, by and among Frontier Natural Gas Corporation,
         Esenjay Petroleum Corporation, and Aspect Resources LLC as incorporated
         by reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 10(x).

2(c)     Second Amendment to Acquisition Agreement and Plan of Exchange dated as
         of May 13, 1998, by and among Frontier Natural Gas Corporation, Esenjay
         Petroleum Corporation, and Aspect Resources LLC as incorporated by
         reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 10(y).

2(d)     Plan and Agreement of Merger dated as of May 14, 1998, by and between
         Esenjay Exploration, Inc., a Delaware corporation, and Frontier Natural
         Gas Corporation as incorporated by reference to the Company's Proxy
         Statement filed with the Securities and Exchange Commission on April
         24, 1998, wherein the same appeared as Appendix F.

2(e)     Plan and Agreement of Merger of Esenjay Exploration, Inc. and 3DX
         Technologies Inc. is incorporated by reference to the Company's
         Quarterly Report on Form 10QSB for the quarter ended March 31, 1999
         dated May 19, 1999 wherein the same appears as Exhibit 2.

3(a)     Certificate of Incorporation of the Company as incorporated by
         reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 3(a).

3(b)     By-Laws of the Company as incorporated by reference to the Company's
         Registration Statement number 333-53581 dated May 21, 1998 wherein the
         same appeared as Exhibit 3(c).

4(a)     See Articles V, VI and X of the Company's Certificate of Incorporation
         and Articles I, II, V and VI of the Company's By-Laws as provided at
         Exhibits 3(a) and 3(b) above.

4(b)     Certificate of Designations of Esenjay Exploration, Inc. establishing
         the designations, preferences, limitations, and relative rights of its
         Series A Convertible Preferred Stock is incorporated by reference to
         the Company's Quarterly Report on Form 10-QSB for the quarter ended
         September 30, 1999 dated November 15, 1999 wherein the same appears as
         Exhibit 4.

10(a)    Contract Settlement Agreement between Frontier Natural Gas Corporation
         and David W. Berry dated effective January 1, 1998, as incorporated by
         reference to the Company's Annual Report on Form 10-KSB for the fiscal
         year ended December 31, 1997 dated April 6, 1998, wherein the same
         appears as Exhibit 10(b).

10(b)    Contract Settlement Agreement between Frontier Natural Gas Corporation
         and David B Christofferson dated effective January 1, 1998, as
         incorporated by reference to the Company's Annual Report on Form 10-KSB
         for the fiscal year ended December 31, 1997 dated April 6, 1998,
         wherein the same appears as Exhibit 10(d).

10(c)    $20,000,000 Amended and Restated Credit Agreement dated as of October
         13, 1998, between Esenjay Exploration, Inc. as the borrower and Bank of
         America NT&SA as the lender, as incorporated by reference to the
         Company's Annual Report on Form 10-KSB for the fiscal year ended
         December 31, 1998 dated April 14,


                                        53
<PAGE>


         1999, wherein the same appears as Exhibit 10(c).

10(d)    Credit Agreement by and between Esenjay Exploration, Inc. and Duke
         Energy Financial Services, Inc. dated as of January 28, 1999, as
         incorporated by reference to the Company's Annual Report on Form 10-KSB
         for the fiscal year ended December 31, 1998 dated April 14, 1999,
         wherein the same appears as Exhibit 10(d).

10(e)    Loan Agreement by and between Frontier Natural Gas Corporation and 420
         Energy Investments, Inc. dated March 1, 1996, as currently in effect as
         incorporated by reference to the Company's Annual Report on Form 10-KSB
         for the fiscal year ended December 31, 1995 dated March 29, 1996,
         wherein the same appears as Exhibit 10(r).

10(f)    Employee Option Plan-1997 as currently in effect as incorporated by
         reference to the Company's Annual Report on Form 10-KSB for the fiscal
         year ended December 31, 1997 dated April 6, 1998, wherein the same
         appears as Exhibit 10(o).

10(g)    Warrant Agreement between Frontier Natural Gas Corporation and Gaines,
         Berland Energy Fund, L.P. dated January 14, 1998, as incorporated by
         reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 10(q).

10(h)    Warrant Agreement between Frontier Natural Gas Corporation and Esenjay
         Petroleum Corporation dated January 14, 1998, as incorporated by
         reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 10(r).

10(i)    Warrant Agreement between Frontier Natural Gas Corporation and Aspect
         Resources LLC dated January 14, 1998, as incorporated by reference to
         the Company's Registration Statement number 333-53581 dated May 21,
         1998 wherein the same appeared as Exhibit 10(s).

10(j)    Warrant Agreement between Frontier Natural Gas Corporation and Gaines,
         Berland Energy Fund, L.P. dated January 23, 1998, as incorporated by
         reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 10(t).

10(k)    Warrant Agreement between Frontier Natural Gas Corporation and Esenjay
         Petroleum Corporation dated January 23, 1998, as incorporated by
         reference to the Company's Registration Statement number 333-53581
         dated May 21, 1998 wherein the same appeared as Exhibit 10(u).

10(l)    Warrant Agreement between Frontier Natural Gas Corporation and Aspect
         Resources LLC dated January 23, 1998, as incorporated by reference to
         the Company's Registration Statement number 333-53581 dated May 21,
         1998 wherein the same appeared as Exhibit 10(v).

10(m)*   Credit Agreement by and between Esenjay Exploration, Inc. and Deutsche
         Bank AG, New York and/or Cayman Islands Branches, dated as of January
         25, 2000, as currently in effect.

11*      Statement of Earnings per Share
21*      Subsidiaries of Registrant.
27*      Financial Data Schedule.
(b)      Reports on Form 8-K.
         Form 8-K filed on October 8, 1999 is incorporated by reference.

</TABLE>

- --------------------
*Filed herewith


                                        54
<PAGE>


                                   SIGNATURES

         Pursuant to the requirements of Section 13, or 15(d) of the Securities
and Exchange Act of 1934, the registrant has duly caused this report to be
signed on its behalf by the undersigned, thereunto duly authorized.

                                       ESENJAY EXPLORATION, INC.

Date: April 13, 2000                   By: /s/ Michael E. Johnson
                                          -------------------------------------
                                           Michael E. Johnson, President,
                                           Chief Executive Officer and Director

         Pursuant to the requirements of Section 13, or 15(d) of the Securities
and Exchange Act of 1934, the registrant has duly caused this report to be
signed below by the following persons on behalf of the registrant and in the
capacities and on the dates indicated.

<TABLE>

<S>                                      <C>
Date: April 13, 2000                      /s/ David B Christofferson
                                          -------------------------------------------------
                                          David B Christofferson, Senior Vice President
                                          General Counsel and Chief Financial Officer

Date: April 13, 2000                      /s/ Angela D. Conway
                                          -------------------------------------------------
                                          Angela D. Conway, Controller and
                                          Principal Accounting Officer


Date: April 13, 2000                      /s/ David W. Berry
                                          -------------------------------------------------
                                          David W. Berry, Chairman and Director


Date:  April 13, 2000                     /s/ Alex B. Campbell
                                          -------------------------------------------------
                                          Alex B. Campbell, Director


Date:  April 13, 2000                     /s/ William D. Dodge, III
                                          -------------------------------------------------
                                          William D. Dodge, III, Director


Date:  April 13, 2000                     /s/ C. Eugene Ennis
                                          -------------------------------------------------
                                          C. Eugene Ennis, Director


Date:  April 13, 2000                     /s/ Jeffrey B. Pollicoff
                                          -------------------------------------------------
                                          Jeffrey B. Pollicoff, Director


Date:  April 13, 2000                     /s/ Jack P. Randall
                                          -------------------------------------------------
                                          Jack P. Randall, Director


Date:  April 13, 2000                     /s/ Hobart A. Smith
                                          -------------------------------------------------
                                          Hobart A. Smith, Director
</TABLE>

                                        55



<PAGE>


                                U.S. $29,000,000

                     AMENDED AND RESTATED CREDIT AGREEMENT,

                          dated as of January 25, 2000

                                     between

                           ESENJAY EXPLORATION, INC.,

                                 as the Borrower

                                       and

                                DEUTSCHE BANK AG,

                  New York Branch and/or Cayman Islands Branch,

                                  as the Lender


<PAGE>

                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>

                                                                                                               PAGE
                                                                                                               ----
<S>              <C>                                                                                           <C>
ARTICLE I           DEFINITIONS AND ACCOUNTING TERMS..............................................................3
         1.1.    Defined Terms....................................................................................3
         1.2.    Use of Defined Terms............................................................................29
         1.3.    Cross-References................................................................................29
         1.4.    Accounting and Financial Determinations.........................................................31

ARTICLE II          COMMITMENTS, BORROWING PROCEDURES AND NOTES..................................................31
         2.1     Commitments.....................................................................................31
                  2.1.1.    Tranche A Commitment.................................................................31
                  2.1.2.    Tranche B Commitment.................................................................31
                  2.1.3.    Letters of Credit....................................................................32
                  2.1.4.    Lender Not Required To Make Loans, etc. Under Certain Circumstances..................32
         2.2     Reduction of Commitment Amounts.................................................................32
                  2.2.1.    Optional.............................................................................32
                  2.2.2.    Mandatory............................................................................33
         2.3.    Borrowing Procedure.............................................................................33
         2.4.    Continuation and Conversion Elections...........................................................33
         2.5.    Loan Accounts and Notes.........................................................................34
         2.6.    Borrowing Base Redetermination and Collateral Value
                 Redeterminaton..................................................................................34
         2.7.    Purposes........................................................................................36

ARTICLE III          REPAYMENTS, PREPAYMENTS, INTEREST AND FEES..................................................35
         3.1     Repayments and Prepayments and Certain Borrowing Base Matters...................................35
                  3.1.1.    Repayments and Prepayments...........................................................36
                  3.1.2.    Borrowing Base Deficiencies, Collateral Value Deficiencies and Asset Sales...........37
         3.2.    Interest Provisions.............................................................................39
                  3.2.1     Rate.................................................................................40
                  3.2.2.    Post-Maturity Rates..................................................................40
                  3.2.3.    Payment Dates........................................................................40
                  3.2.4.    Maximum Interest.....................................................................41
         3.3.    Fees............................................................................................42
                  3.3.1.    Confidential Fee Letter..............................................................42
                  3.3.2.    Unused Fee...........................................................................42
                  3.3.3.    Letter of Credit Stated Amount Fee...................................................42
                  3.3.4.    Letter of Credit Issuance Fee........................................................43
                  3.3.5.    Letter of Credit Administrative Fees.................................................43
         3.4.    Proceeds Account................................................................................43
         3.5.    Overriding Royalty Interest and Warrants; Assignment and


                                       i
<PAGE>

                  Warrants are Not Collateral Security...........................................................43

ARTICLE IV           LETTERS OF CREDIT...........................................................................44
         4.1.     Issuance Requests..............................................................................44
         4.2.     Issuances and Extensions.......................................................................45
         4.3.     Expenses.......................................................................................46
         4.4.     Disbursements..................................................................................47
         4.5.     Reimbursement..................................................................................47
         4.6.     Deemed Disbursements...........................................................................48
         4.7.     Nature of Reimbursement Obligations............................................................48
         4.8.     Increased Costs; Indemnity.....................................................................50

ARTICLE V            CERTAIN INTEREST RATE AND OTHER PROVISIONS..................................................51
         5.1.     LIBO Rate Lending Unlawful.....................................................................51
         5.2.     Deposits Unavailable...........................................................................51
         5.3.     Increased Loan Costs, etc......................................................................52
         5.4.     Funding Losses.................................................................................53
         5.5.     Increased Capital Costs........................................................................53
         5.6.     Taxes..........................................................................................54
         5.7.     Payments, Computations, etc....................................................................55
         5.8.     Setoff.........................................................................................55
         5.9.     Use of Proceeds................................................................................56

ARTICLE VI           CONDITIONS PRECEDENT........................................................................56
         6.1.     Initial Credit Extension.......................................................................56
                  6.1.1.    Resolutions, etc.....................................................................56
                  6.1.2.    Delivery of Notes....................................................................57
                  6.1.3.    Guaranties...........................................................................57
                  6.1.4.    Pledge Agreements....................................................................57
                  6.1.5.    Security Agreement...................................................................57
                  6.1.6.    Consents, Mortgage Consents and Approvals............................................58
                  6.1.7.    Mortgage.............................................................................58
                  6.1.8.    Opinions of Counsel..................................................................58
                  6.1.9.    UCC-11s..............................................................................59
                  6.1.10.    Evidence of Insurance...............................................................59
                  6.1.11.    Engineering Reports.................................................................59
                  6.1.12.    Environmental Report................................................................59
                  6.1.13.    Approved Budget.....................................................................59
                  6.1.14.    Assignment and Amendment and Restatement of
                             Existing Credit Documents...........................................................59
                  6.1.15.    ORRI Agreement and Certificate, etc.................................................60
                  6.1.16.    Assignment..........................................................................60


                                       ii
<PAGE>

                  6.1.17.    Hedging Agreements..................................................................60
                  6.1.18.    Warrants, etc.......................................................................60
                  6.1.19.    Closing Fees, Expenses, etc.........................................................60
                  6.1.20.    Other Documents.....................................................................60
         6.2.    Inclusion of Hydrocarbon Interests in the Borrowing Base........................................60
                  6.2.1.     Environmental Report................................................................61
                  6.2.2.     Mortgage............................................................................61
                  6.2.3.     UCC-11s.............................................................................61
                  6.2.4.     Evidence of Insurance...............................................................61
                  6.2.5.     Engineering Reports.................................................................62
                  6.2.6.     Material Contracts and Related Consents; Security Agreement.........................62
                  6.2.7.     Guaranties..........................................................................62
                  6.2.8.     Additional Stock or Partnership Pledge..............................................62
                  6.2.9.     Overriding Royalty Interests........................................................62
                  6.2.10.    Other Documents.....................................................................63
         6.3.    All Credit Extensions...........................................................................63
                  6.3.1.     Compliance with Warranties, No Default, etc.........................................63
                  6.3.2.     Credit Request......................................................................64
                  6.3.3.     Satisfactory Legal Form.............................................................64

ARTICLE VII          REPRESENTATIONS AND WARRANTIES..............................................................64
         7.1.    Organization, etc...............................................................................64
         7.2.    Due Authorization, Non-Contravention, etc.......................................................65
         7.3.    Government Approval, Regulation, etc............................................................65
         7.4.    Investment Company Act..........................................................................65
         7.5.    Public Utility Holding Company Act..............................................................65
         7.6.    Validity, etc...................................................................................65
         7.7.    Financial Information...........................................................................66
         7.8.    No Material Adverse Change......................................................................66
         7.9.    Litigation, Labor Controversies, etc............................................................66
         7.10.   Ownership of Properties.........................................................................66
         7.11.   Taxes...........................................................................................67
         7.12.   Pension and Welfare Plans.......................................................................67
         7.13.   Compliance with Law.............................................................................67
         7.14.   Claims and Liabilities..........................................................................67
         7.15.   No Prohibition on Perfection of Security Documents..............................................67
         7.16.   Solvency........................................................................................68
         7.17.   Environmental Warranties........................................................................69
         7.18.   Regulations G, U and X..........................................................................70
         7.19.   Year 2000 Compliance............................................................................70
         7.20.   Insurance.......................................................................................71


                                       iii
<PAGE>

         7.21.   Accuracy of Information.........................................................................71
         7.22.   Title Warranty..................................................................................71
         7.23.   Starboard Project...............................................................................71

ARTICLE VIII        COVENANTS....................................................................................72
         8.1.    Affirmative Covenants...........................................................................72

                  8.1.1.    Financial Information, Reports, Notices, etc.........................................72
                  8.1.2.    Compliance with Laws, etc............................................................75
                  8.1.3.    Maintenance, Development and Sale of Properties......................................76
                  8.1.4.    Insurance............................................................................78
                  8.1.5.    Books and Records....................................................................78
                  8.1.6.    Environmental Covenant...............................................................79
                  8.1.7.    Further Assurances...................................................................79
                  8.1.8.    Hydrocarbon Hedging..................................................................81
                  8.1.9.    Interest Rate Protection.............................................................81
                  8.1.10.   Merger of Certain Subsidiaries.......................................................81
         8.2.    Negative Covenants..............................................................................81
                  8.2.1.    Business Activities..................................................................81
                  8.2.2.    Indebtedness.........................................................................81
                  8.2.3.    Liens................................................................................83
                  8.2.4.    Financial Condition..................................................................85
                  8.2.5.    Investments..........................................................................85
                  8.2.6.    Restricted Payments, etc.............................................................86
                  8.2.7.    Rental Obligations...................................................................87
                  8.2.8.    Consolidation, Merger, etc...........................................................87
                  8.2.9.    Asset Dispositions, etc..............................................................87
                  8.2.10.   Modification of Certain Documents....................................................88
                  8.2.11.   Transactions with Affiliates.........................................................88
                  8.2.12.   Negative Pledges, Restrictive Agreements, etc........................................88
                  8.2.13.   Take or Pay Contracts................................................................88

ARTICLE IX           EVENTS OF DEFAULT...........................................................................89
         9.1.    Listing of Events of Default....................................................................89
                  9.1.1.    Non-Payment of Obligations...........................................................89
                  9.1.2.    Breach of Warranty...................................................................89
                  9.1.3.    Non-Performance of Certain Covenants and Obligations.................................89
                  9.1.4.    Non-Performance of Other Covenants and Obligations...................................89
                  9.1.5.    Default on Other Indebtedness........................................................89
                  9.1.6.    Judgments............................................................................90
                  9.1.7.    Pension Plans........................................................................90
                  9.1.8.    Control of the Borrower..............................................................91
                  9.1.9.    Bankruptcy, Insolvency, etc..........................................................91


                                        iv
<PAGE>

                  9.1.10.   Impairment of Security, etc..........................................................91
                  9.1.11.   Material Adverse Effect..............................................................92
         9.2.    Action if Bankruptcy............................................................................92
         9.3.    Action if Other Event of Default................................................................92
         9.4.    Rights Not Exclusive............................................................................92

ARTICLE X            MISCELLANEOUS PROVISIONS....................................................................92
         10.1.   Waivers, Amendments, etc........................................................................92
         10.2.   Notices.........................................................................................93
         10.3.   Payment of Costs and Expenses...................................................................94
         10.4.   Indemnification.................................................................................95
         10.5.   Survival........................................................................................96
         10.6.   Severability....................................................................................96
         10.7.   Headings........................................................................................96
         10.8.   Execution in Counterparts, Effectiveness, etc...................................................96
         10.9.   Governing Law; Entire Agreement.................................................................96
         10.10.  Successors and Assigns..........................................................................97
         10.11.   Sale and Transfer of Loans and Notes; Participations in
                     Loans and Notes.............................................................................97
                  10.11.1.   Assignments.........................................................................97
                  10.11.2.   Participations......................................................................98
                  10.11.3.   Modifications for Other Lenders.....................................................99

         10.12.   Forum Selection and Consent to Jurisdiction....................................................99
         10.13.   Waiver of Jury Trial..........................................................................100
         10.14.   Notice........................................................................................101

</TABLE>

                                       v
<PAGE>

                      AMENDED AND RESTATED CREDIT AGREEMENT

         THIS AMENDED AND RESTATED CREDIT AGREEMENT, dated as of January 25,
2000, between ESENJAY EXPLORATION, INC., a Delaware corporation and the
successor-by-merger to Frontier Natural Gas Corporation and the
successor-by-merger to 3DX Technologies, Inc. (the "BORROWER"), and DEUTSCHE
BANK AG, New York Branch and/or Cayman Islands Branch (the "LENDER"),

                              W I T N E S S E T H:

         WHEREAS, the Borrower is engaged in the business of oil and gas
exploration and production, and activities related or ancillary thereto; and

         WHEREAS, the Borrower is a party to the Amended and Restated Credit
Agreement, dated as of October 13, 1998 (herein, as the same was amended by that
certain Amendment No. 1 to Amended and Restated Credit Agreement, dated as of
January 28, 1999, that certain Amendment No. 2 to Amended and Restated Credit
Agreement, dated as of August 16, 1999, and that certain Amendment No. 3 to
Amended and Restated Credit Agreement dated as of November 1, 1999, and as the
same may have been from time to time further amended, supplemented or modified,
the "EXISTING CREDIT AGREEMENT"), with Bank of America National Trust and
Savings Association, now known as Bank of America, N.A. ("BANK OF AMERICA")
pursuant to which Bank of America agreed to extend credit (including by issuing
letters of credit) to the Borrower in an aggregate principal amount (including
the aggregate face amount of letters of credit) of up to $20,000,000; and

         WHEREAS, the Borrower is also party to the Credit Agreement (as the
same may have been from time to time amended, supplemented or modified, the
"EXISTING LOAN AGREEMENT") dated as of January 28, 1999, with Duke Energy
Financial Services, Inc., a Delaware corporation ("DUKE"; together with Bank of
America, the "EXISTING SECURED CREDITORS"), pursuant to which Duke agreed to
make loans to the Borrower in an aggregate principal amount of up to $9,000,000;
and

         WHEREAS. the Borrower and its Subsidiaries (collectively, the
"GRANTORS"), Existing Secured Creditors and Bank of America, in its capacity as
collateral agent (in such capacity, the "COLLATERAL AGENT") are parties to that
certain Collateral Agency and Intercreditor Agreement dated as of January 28,
1999 (as the same may have been from time to time amended, supplemented or
modified, the "INTERCREDITOR AGREEMENT"), pursuant to which Collateral Agent
agreed to act as collateral agent for the Existing Secured Creditors in respect
of the collateral security furnished to secure the obligations

<PAGE>

of the Grantors under the Existing Credit Agreement and the Existing Loan
Agreement; and

         WHEREAS, pursuant to the Existing Credit Agreement, the Existing Loan
Agreement and the Intercreditor Agreement, Grantors have entered into various
mortgages, security agreements, pledges and other security documents
(collectively, the "EXISTING SECURED CREDITOR DOCUMENTS") under which the
Grantors (i) have granted Liens to Bank of America and to the Collateral Agent
on substantially all of their properties and assets to secure the payment and
performance of the Obligations (as defined in the Existing Credit Agreement) and
(ii) are guaranteeing the Obligations. Pursuant to the Existing Loan Agreement,
the Grantors have also granted Liens for the benefit of Duke on certain of their
Oil and Gas Properties to secure the payment and performance of the Obligations
(as defined in the Existing Loan Agreement); and

         WHEREAS, the respective indebtedness of Borrower to the Existing
Secured Creditors under the Existing Credit Agreement and the Existing Loan
Agreement is evidenced by certain promissory notes of the Borrower
(collectively, the "EXISTING NOTES") and is secured by the Existing Secured
Creditor Documents (the Existing Notes, the Existing Secured Creditor Documents
and various related agreements, instruments and documents are referred to
collectively as the "EXISTING CREDIT DOCUMENTS"; the Existing Credit Documents
do not include the documents, agreements, rights and interests listed on
SCHEDULE VII hereto (the "EXCLUDED ASSETS")); and

         WHEREAS, the Lender has purchased all of the right, title and interest
of Bank of America, Duke and Collateral Agent under the Existing Credit
Documents from Assignors, and Bank of America, Duke and Collateral Agent have
sold, assigned and transferred all such right, title and interest to the Lender;
and

         WHEREAS, the Borrower desires to amend and restate the Existing Credit
Agreement and the Existing Loan Agreement, and to obtain Commitments from the
Lender pursuant to which Loans will be made to the Borrower from time to time
prior to the applicable Commitment Termination Date, in a maximum aggregate
principal amount of Loans at any one time not to exceed in the aggregate the
lesser of (x) the Collateral Value, or (y) $29,000,000; and

         WHEREAS, the Lender is willing, on the terms and subject to the
conditions hereinafter set forth (including ARTICLE V), to extend such
Commitments, to amend and restate the Existing Credit Agreement and the Existing
Loan Agreement, and to make such Loans to the Borrower; and

         WHEREAS, the proceeds of such Loans will be used

               (1)  to refinance the Existing Secured Debt (defined below);


                                       2
<PAGE>

               (2)  to conduct other Approved Development Activities on the Oil
                    and Gas Properties owned by the Borrower or one of the
                    Borrower's Subsidiaries, including those Properties located
                    in Liberty, Hardin, Wharton, Aransas, Refugio, Goliad, Bee,
                    De Witt, Lovaca, Brazoria, Jefferson, Chambers, Galveston,
                    Matagorda, Live Oak, San Patricio, Karnes, Willacy and
                    Calhoun Counties, Texas; Beaureguard, Calcasieu, Cameron and
                    Terrebonne Parishes, Louisiana; and Cleveland County,
                    Oklahoma; and

               (3)  for general corporate and working capital purposes; and

         WHEREAS, the Parties have agreed it is in their respective best
interests to enter into this Agreement amending, restating and superseding the
Existing Credit Agreement and the Existing Loan Agreement,

         NOW, THEREFORE, the parties hereto agree as follows:

                                    ARTICLE I

                        DEFINITIONS AND ACCOUNTING TERMS

         1.1. SECTION DEFINED TERMS. The following terms (whether or not
underscored) when used in this Agreement, including its preamble and recitals,
shall, except where the context otherwise requires, have the following meanings
(such meanings to be equally applicable to the singular and plural forms
thereof):

         "ACQUIRED PROPERTIES" means those Oil and Gas Properties and other
assets that are acquired from time to time in an Acquisition.

         "ACQUISITION" means an acquisition by the Borrower or one or more of
its Subsidiaries of Acquired Properties.

         "AFFILIATE" of any Person means any other Person which, directly or
indirectly, controls, is controlled by or is under common control with such
Person (excluding any trustee under, or any committee with responsibility for
administering, any Plan). A Person shall be deemed to be "controlled by" any
other Person if such other Person possesses, directly or indirectly, power

               (a) to vote 10% or more of the securities (on a fully diluted
          basis) having ordinary voting power for the election of directors or
          managing general partners; or


                                       3
<PAGE>

               (b) to direct or cause the direction of the management and
          policies of such Person whether by contract or otherwise.

         "AGREEMENT" means, on any date, this Amended and Restated Credit
Agreement as originally in effect on the Effective Date and as thereafter from
time to time amended, supplemented, amended and restated, or otherwise modified
and in effect on such date.

         "ALTERNATE REFERENCE RATE" means, on any date and with respect to all
Base Rate Loans, a fluctuating rate of interest per annum equal to the higher of

                  (a) the rate of interest as announced from time to time by the
         Lender as its base rate, prime rate or other reference rate at its
         Domestic Office; or

                  (b) the Federal Funds Rate most recently determined by the
         Lender plus 1/2%.

The Alternate Reference Rate is not necessarily intended to be the lowest rate
of interest in connection with extensions of credit. Changes in the rate of
interest on that portion of any Loans maintained as Base Rate Loans will take
effect simultaneously with each change in the Alternate Reference Rate. The
Lender will give notice to the Borrower of changes in the Alternate Reference
Rate.

         "APPLICABLE LAW" means with respect to any Person or matter, any
federal, state, regional, tribal or local statute, law, code, rule, treaty,
convention, application, order, decree, consent decree, injunction, directive,
determination or other requirement (whether or not having the force of law)
relating to such Person or matter and, where applicable, any interpretation
thereof by a Government Agency having jurisdiction with respect thereto or
charged with the administration or interpretation thereof.

         "APPLICABLE MARGIN" means, with respect to any Credit Extension at any
time of determination, a margin above the interest rate or fee applicable to
such Credit Extension equal to the following:

<TABLE>
<CAPTION>

              -------------------------------------- ---------------------- ----------------------------
                                                                            Alternate
                                                     LIBO Rate              Reference Rate
              -------------------------------------- ---------------------- ----------------------------
              <S>                                    <C>                    <C>
              Tranche A Loan                         2.0%                   0%
              -------------------------------------- ---------------------- ----------------------------
              Tranche B Loan                         2.0%                   0%
              -------------------------------------- ---------------------- ----------------------------
              Letter of Credit                       2.0%                   0%
              -------------------------------------- ---------------------- ----------------------------

</TABLE>


                                       4

<PAGE>

         "APPROVALS" means each and every approval, authorization, license,
permit, consent, variance, land use entitlement, franchise, agreement, filing or
registration by or with any Government Agency or other Person necessary for all
stages of developing, operating, maintaining and abandoning Oil and Gas
Properties.

         "APPROVED BUDGET" means the Borrower's plan, as approved by the Lender
pursuant to SECTION 8.1.3, for conducting Approved Development Activities on the
Oil & Gas Properties comprising the Borrowing Base Properties, Mortgaged
Properties and the Development Properties. The Approved Budget shall set forth,
by geographic region or trend, as appropriate, projected drilling costs,
completion costs, geological and geophysical costs, G&A Expenses, workover
expenses (beyond those accounted for by the Borrower as lease operating
expenses), the number of wells to be drilled and other major items as the Lender
may reasonably request, in each quarter for the 12 month period covered by such
Approved Budget. The Approved Budget shall be presented in substantially the
form of EXHIBIT P, or such other form as the Lender may approve, and shall be
updated each Fiscal Quarter for the following four (4) Fiscal Quarters as
provided in SECTION 8.1.1.

         "APPROVED DEVELOPMENT ACTIVITIES" means drilling, geological and
geophysical investigations and evaluations and related activities on the
Borrowing Base Properties, the Mortgaged Properties and/or Development
Properties substantially in accordance with the Approved Budget (i) in order to
bring into production Proven Reserves which the Lender has included in its
determination of the Borrowing Base, and (ii) in order to further explore and/or
develop the Mortgaged Properties and the Development Properties not otherwise
included in the Borrowing Base, in each case as approved by the Lender.

         "ASPECT" means Aspect Resources LLC, a Colorado limited liability
company.

         "ASSIGNEE LENDER" is defined in SECTION 10.11.1.

         "ASSIGNMENT" means the Assignment and Conveyance of Overriding Royalty
Interest, substantially in the form of EXHIBIT J, from the Borrower and/or the
Borrower's Subsidiaries to the Designee, assigning to the Designee, as
additional consideration for the making of Commitments by the Lender and not as
collateral security for the Loans, overriding royalty interests in its or their
Hydrocarbon Interests comprising all Oil and Gas Properties of the Borrower and
its Subsidiaries on which a well is logged prior to the earlier of (X) the
Stated Maturity Date applicable to the Tranche B Loan and (Y) in the event that
the Tranche B Loan is indefeasibly repaid in full prior to the Tranche A
Availability Termination Date, the Tranche A Availability Termination Date;
PROVIDED, HOWEVER, that the Designee shall not receive an overriding royalty
interest in respect of any well which is not completed for production and never
produces Hydrocarbons, and FURTHER PROVIDED that, with respect to the
Raymondville Project in Willacy County, Texas


                                       5

<PAGE>

(more particularly described in SCHEDULE VIII hereto), Designee shall not
receive an overriding royalty interest if and to the extent that, within
ninety (90) days after the Effective Date, the Borrower has sold its interest
therein. The overriding royalty interest conveyed by the Assignment is
subject to reduction as set forth in the Agreement Concerning Overriding
Royalty Interest between the Borrower, the Lender and the Designee, and the
Borrower has the optional right to purchase such overriding royalty interest
from the Designee as provided in SECTION 3.5(b).

         "AUTHORIZED OFFICER" means, relative to any Obligor, those of its
officers whose signatures and incumbency shall have been certified to the Lender
pursuant to SECTION 6.1.1.

         "BASE RATE LOAN" means a Loan bearing interest at a fluctuating rate
determined by reference to the Alternate Reference Rate.

         "BANK OF AMERICA" is defined in the SECOND RECITAL.

         "BORROWER" is defined in the PREAMBLE.

         "BORROWING" means the Loans of the same type and, in the case of LIBO
Rate Loans, having the same Interest Period made by the Lender on the same
Business Day and pursuant to the same Borrowing Request in accordance with
SECTION 2.1.

         "BORROWING BASE" means, as at any date, (a) prior to the initial
Borrowing Base Redetermination, $12,000,000, subject to reduction, however, as
set forth in that certain Closing Agreement dated as of the Effective Date
between the Borrower and the Lender (the "CLOSING AGREEMENT"), and (b)
thereafter, (i) that amount of Indebtedness for borrowed money under the
Facility that the Lender determines can be supported by the Proven Reserves
attributable to Hydrocarbon Interests owned directly by the Borrower or its
Subsidiaries which are a part of the Borrowing Base Properties, after an
engineering and economic review of such reserves conducted by the Lender using
its customary standards for oil and gas facilities of this type, taking into
account the value of all those proved developed producing oil and gas reserves
and certain portions of certain other categories of Proven Reserves attributable
to the Borrowing Base Properties.

         "BORROWING BASE DEFICIENCY" means the amount by which (a) the sum of
the aggregate outstanding principal amount of all Tranche A Loans plus Letter of
Credit Outstandings exceeds (b) the then current Borrowing Base.

         "BORROWING BASE DEFICIENCY NOTIFICATION DATE" means the date on which
any notice of a Borrowing Base Deficiency is received by the Borrower.


                                       6

<PAGE>

         "BORROWING BASE PROPERTIES" means those Mortgaged Properties, those
Development Properties and those other Oil and Gas Properties owned by the
Borrower or its Subsidiaries, if any, that are given value by the Lender in its
determination of the then current Borrowing Base.

         "BORROWING BASE REDETERMINATION" is defined in SECTION 2.6.

         "BORROWING REQUEST" means a loan request and certificate duly executed
by an Authorized Officer of the Borrower, substantially in the form of EXHIBIT
B-1 hereto.

         "BUSINESS DAY" means

                  (a) any day which is neither a Saturday or Sunday nor any
         other day on which banks are authorized or required to be closed in New
         York, New York; and

                  (b) relative to the making, continuing, prepaying or repaying
         of any LIBO Rate Loans, any day on which dealings in Dollars are
         carried on in the London interbank market.

         "CAPITAL EXPENDITURES" means, for any period, (without duplication) the
aggregate amount of all expenditures of the Borrower and its consolidated
Subsidiaries for fixed or capital assets made during such period which, in
accordance with GAAP, would be classified as capital expenditures including,
with respect to any period, payments made by the Borrower and its consolidated
Subsidiaries with respect to Capitalized Lease Liabilities incurred during such
period.

         "CAPITALIZATION" means, at any time, the sum of (a) the total Debt of
the Borrower and its consolidated Subsidiaries PLUS (b) the total equity of the
Borrower and its consolidated Subsidiaries.

         "CAPITALIZED LEASE LIABILITIES" means all monetary obligations of the
Borrower or any of its consolidated Subsidiaries under any leasing or similar
arrangement which, in accordance with GAAP, would be classified as capitalized
leases, and, for purposes of this Agreement and each other Loan Document, the
amount of such obligations shall be the capitalized amount thereof, determined
in accordance with GAAP.

         "CASH EQUIVALENT INVESTMENT" means, at any time:

               (a) any evidence of Indebtedness, maturing not more than one year
          after such time, issued or guaranteed by the United States Government;


                                       7

<PAGE>

               (b) commercial paper, maturing not more than nine months from the
          date of issue, which is issued by

                    (i) a corporation (other than an Affiliate of the Borrower)
               organized under the laws of any state of the United States or of
               the District of Columbia and rated at least A-1 by Standard &
               Poor's Corporation or P-1 by Moody's Investors Service, Inc., or

                    (ii) the Lender;

               (c) any certificate of deposit or bankers acceptance, maturing
          not more than one year after such time, which is issued by

                    (i) a commercial banking institution that is a member of the
               Federal Reserve System and has a combined capital and surplus and
               undivided profits of not less than $500,000,000, or

                    (ii) the Lender; or

               (d) any repurchase agreement entered into with the Lender (or
          other commercial banking institution of the stature referred to in
          CLAUSE (c)) which

                    (i) is secured by a fully perfected security interest in any
               obligation of the type described in any of CLAUSES (a) through
               (c); and

                    (ii) has a market value at the time such repurchase
               agreement is entered into of not less than 100% of the repurchase
               obligation of the Lender (or other commercial banking
               institution) thereunder.

         "CERCLA" means the Comprehensive Environmental Response, Compensation
and Liability Act of 1980, as amended.

         "CERCLIS" means the Comprehensive Environmental Response Compensation
Liability Information System List.

         "CHANGE IN CONTROL" means if (a) either Old Esenjay or Aspect shall
fail beneficially to own at least 80% of their existing percentages of the
outstanding shares of the voting capital stock of the Borrower as of December
31, 1999 (subject to dilution only in the event of the issuance of additional
shares of such voting capital stock), on a fully diluted basis, (b) Michael
Johnson, Alex Cranberg, David Berry and/or David Christofferson shall fail to be
actively involved in the management of the business of the Borrower or (c) the
Borrower ceases to own beneficially and of record 100% of the capital stock of
each of the Borrower's Subsidiaries.


                                       8

<PAGE>

         "CODE" means the Internal Revenue Code of 1986, as amended, reformed or
otherwise modified from time to time, and the regulations promulgated
thereunder.

         "COLLATERAL AGENT" is defined in the FOURTH RECITAL.

         "COLLATERAL VALUE" shall mean, as at any date, (a) prior to the initial
Collateral Value Redetermination, $21,000,000, subject to reduction, however, as
set forth in the Closing Agreement, and (b) thereafter, the lesser of

         (X) the quotient of (i) the projected net future cash flow, discounted
         at ten percent (10%) per annum, from the anticipated production of
         Hydrocarbons from Proven Reserves attributable to Hydrocarbon Interests
         owned directly by the Borrower or one of the Borrower's Subsidiaries
         which are a part of the Borrowing Base Properties, after an engineering
         and economic review of such reserves conducted by the Lender taking
         into account the value of all those proved developed producing oil and
         gas reserves and all other categories of Proven Reserves attributable
         to the Borrowing Base Properties that the Lender expects can become
         proved developed producing reserves with funds that the Lender
         determines are available to the Borrower for such purpose and use,
         divided by (ii) 1.4, and

         (Y) quotient of (i) the projected net future cash flow, discounted at
         ten percent (10%) per annum, from the anticipated production of
         Hydrocarbons from Proven Reserves attributable to Hydrocarbon Interests
         owned directly by the Borrower or one of the Borrower's Subsidiaries
         which are a part of the Borrowing Base Properties, after an engineering
         and economic review of such reserves conducted by the Lender taking
         into account the value of all those proved developed producing oil and
         gas reserves and all other categories of Proven Reserves attributable
         to the Borrowing Base Properties that the Lender expects can become
         proved developed producing reserves with funds that the Lender
         determines are available to the Borrower for such purpose and use,
         divided by (ii) 1.25, minus the amount calculated from time to time by
         the Lender as the Mark to Market Exposure under all Hedging Agreements
         between the Borrower and the Lender or any Affiliate of the Lender and
         all other Hedging Agreements of the Borrower that are otherwise
         permitted by this Agreement.

         "COLLATERAL VALUE DEFICIENCY" means the amount by which (a) the sum of
the aggregate outstanding principal amount of all Tranche A Loans plus the
aggregate outstanding principal amount of the Tranche B Loan plus all Letter of
Credit Outstandings exceeds (b) the then current Collateral Value.


                                       9

<PAGE>

         "COLLATERAL VALUE DEFICIENCY NOTIFICATION DATE" shall mean the date on
which any notice of a Collateral Value Deficiency is received by the Borrower.

         "COLLATERAL VALUE REDETERMINATION" is defined in SECTION 2.6.

         "COMMITMENT" means the Lender's commitment pursuant to SECTION 2.1 to
make Loans to the Borrower and to issue Letters of Credit in accordance with the
terms and provisions of this Agreement.

         "COMMITMENT AMOUNT" means the lesser of (i) $29,000,000, as reduced
from time to time pursuant to the provisions of SECTION 2.2, or (ii) the
Borrowing Base.

         "COMMITMENT AVAILABILITY" means, on any date, the excess of

               (a) the then applicable Commitment Amount, over

               (b) the sum of

                    (i)  the aggregate outstanding principal amount of all
                    applicable Loans on such date, plus

                    (ii) the Letter of Credit Outstandings on such date.

         "COMMITMENT TERMINATION DATE" means the earliest of

               (a) the date on which either the Tranche A Commitment Amount or
          the Tranche B Commitment Amount, or either of them, as applicable, is
          terminated in full or reduced to zero pursuant to SECTION 2.2; and

               (b) the date on which any Commitment Termination Event occurs.

         "COMMITMENT TERMINATION EVENT" means

               (a) the occurrence of any Default described in CLAUSES (a)
          through (d) of SECTION 9.1.9 with respect to the Borrower or any
          Subsidiary; or

               (b) the occurrence and continuance of any other Event of Default
          and either

                    (i) declaration of the Loans and other Obligations to be due
               and payable pursuant to SECTION 9.3, or


                                       10

<PAGE>

                    (iii) absence of such declaration, the giving of notice by
               the Lender to the Borrower that the Commitments have been
               terminated.

         "CONFIDENTIAL FEE LETTER" means that certain confidential fee letter
dated as of January 10, 2000, between the Borrower and the Lender, as the same
may be from time to time amended, modified and supplemented.

         "CONSENT" means a Consent to Assignment executed and delivered pursuant
to SECTION 6.2.6, substantially in the form of EXHIBIT J, as amended,
supplemented, restated or otherwise modified from time to time pursuant to which
the Borrower's counterparty to each Material Contract (i) consents to the
assignment of each such Material Contract to the Lender as security for the
Obligations and (ii) provides the Lender an independent right to cure defaults
under such Material Contract.

         "CONSOLIDATED NET INCOME" means, with respect to the Borrower and its
consolidated Subsidiaries for any period, the consolidated net income (or loss)
of the Borrower and its consolidated Subsidiaries for such period determined in
accordance with GAAP.

         "CONTINGENT LIABILITY" means, as to any Person, any direct or indirect
liability of that Person, whether or not contingent, with or without recourse,
(a) with respect to any Indebtedness, lease, dividend, letter of credit or other
obligation (the "primary obligations") of another Person (the "primary
obligor"), including any obligation of that Person (i) to purchase, repurchase
or otherwise acquire such primary obligations or any security therefor, (ii) to
advance or provide funds for the payment or discharge of any such primary
obligation, or to maintain working capital or equity capital of the primary
obligor or otherwise to maintain the net worth or solvency or any balance sheet
item, level of income or financial condition of the primary obligor, (iii) to
purchase property, securities or services primarily for the purpose of assuring
the owner of any such primary obligation of the ability of the primary obligor
to make payment of such primary obligation, or (iv) otherwise to assure or hold
harmless the holder of any such primary obligation against loss in respect
thereof (each, a "GUARANTY OBLIGATION"); (b) with respect to any Surety
Instrument issued for the account of that Person or as to which that Person is
otherwise liable for reimbursement of drawings or payments; or (c) to purchase
any materials, supplies or other property from, or to obtain the services of,
another Person if the relevant contract or other related document or obligation
requires that payment for such materials, supplies or other property, or for
such services, shall be made regardless of whether delivery of such materials,
supplies or other property is ever made or tendered, or such services are ever
performed or tendered.

         "CONTINUATION/CONVERSION NOTICE" means a notice of continuation or
conversion and certificate duly executed by an Authorized Officer of the
Borrower, substantially in the form of EXHIBIT B-2 hereto.


                                       11

<PAGE>

         "CONTROLLED GROUP" means all members of a controlled group of
corporations and all members of a controlled group of trades or businesses
(whether or not incorporated) under common control which, together with the
Borrower, are treated as a single employer under Section 414(b) or 414(c) of the
Code or Section 4001 of ERISA.

         "CREDIT EXTENSION" means and includes

               (a) the advancing of any Tranche A Loans by the Lender in
          connection with a Borrowing hereunder,

               (b) the advancing of any Tranche B Loans by the Lender in
          connection with a Borrowing hereunder, and

               (c) any issuance by an Issuer, or the extension of the Stated
          Expiry Date by an Issuer, of a Letter of Credit.

         "CURRENT RATIO" means, as of the end of each Fiscal Quarter, the ratio
         of

               (a) the current assets (including the unused portion of the
          Commitment Amount (to the extent available to be borrowed)) of the
          Borrower and its consolidated Subsidiaries

TO

               (b) the current liabilities (minus the current portion of long
          term Debt) of the Borrower and its consolidated Subsidiaries.

         "DEBT" means the outstanding principal amount of all Indebtedness of
the Borrower and its consolidated Subsidiaries of the nature referred to in
CLAUSES (a) and (b) of the definition of "INDEBTEDNESS".

         "DEBT TO CAPITALIZATION RATIO" means, as of the end of each Fiscal
Quarter, the ratio of (a) Debt to (b) Capitalization.

         "DEFAULT" means any Event of Default or any condition, occurrence or
event which, after notice or lapse of time or both, would constitute an Event of
Default.

         "DEVELOPMENT PROPERTIES" means the Oil and Gas Properties owned
directly by the Borrower and its Subsidiaries that are projected to be the
subject of Approved Development Activities in accordance with the then current
Approved Budget.

         "DISBURSEMENT DATE" is defined in SECTION 4.4.


                                       12

<PAGE>

         "DESIGNEE" is defined in SECTION 3.5.

         "DISBURSEMENT" means the amount disbursed by the Issuer on a
Disbursement Date.

         "DISCLOSURE SCHEDULE" means the Disclosure Schedule attached hereto as
SCHEDULE I, as it may be amended, supplemented or otherwise modified from time
to time by the Borrower with the written consent of the Lender.

         "DISTRIBUTION PAYMENTS" is defined in SECTION 8.2.6.

         "DOLLAR" and the sign "$" mean lawful money of the United States.

         "DOMESTIC OFFICE" means the office of the Lender designated as such on
its signature page hereto or designated in a Lender Assignment Notice or such
other office of the Lender (or any successor or assign of the Lender) within the
United States as may be designated from time to time by notice from the Lender,
as the case may be, to each other Person party hereto.

         "DUKE" is defined in the THIRD RECITAL.

         "EBITDA" means for any period, the sum, without duplication, of the
following:

                  (a)      Consolidated Net Income for such period, plus

                  (b)      Interest Expense for such period, plus

                  (c)      all depreciation and amortization of assets
         (including goodwill and other intangible assets) of the Borrower and
         its consolidated Subsidiaries deducted in determining Consolidated Net
         Income for such period, plus (minus)

                  (d) all federal, state, local and foreign income taxes of the
         Borrower and its consolidated Subsidiaries deducted (or credits added)
         in determining Consolidated Net Income for such period, plus (minus)

                  (e) other non-cash items deducted or added in determining
         Consolidated Net Income for such period.

         "EFFECTIVE DATE" means the date this Agreement becomes effective
pursuant to SECTION 10.8.


                                       13

<PAGE>

         "ENGINEERING REPORT" means one or more reports, in form and substance
satisfactory to the Lender, prepared at the sole cost and expense of the
Borrower by Netherland, Sewell & Associates, Inc. or another petroleum engineer
acceptable to the Lender in its reasonable business judgment, which shall
evaluate the Proven Reserves and probable reserves attributable to the
Hydrocarbon Interests owned directly by the Borrower and/or its Subsidiaries and
constituting part of the Borrowing Base Properties, as of the immediately
preceding January 1 or July 1. Each Engineering Report shall set forth volumes,
projections of the future rate of production, Hydrocarbons prices, escalation
rates, discount rate assumptions, and net proceeds of production, present value
of the net proceeds of production, estimated costs of Remedial Action, operating
expenses and capital expenditures, in each case based upon updated economic
assumptions reasonably acceptable to the Lender.

         "ENVIRONMENTAL LAWS" means all Applicable Laws relating to public
health and safety through protection of the environment.

         "ERISA" means the Employee Retirement Income Security Act of 1974, as
amended, and any successor statute of similar import, together with the
regulations thereunder, in each case as in effect from time to time. References
to sections of ERISA also refer to any successor sections.

         "EVENT OF DEFAULT" is defined in SECTION 9.1.

         "EXISTING CREDIT AGREEMENT" is defined in the SECOND RECITAL.

         "EXISTING CREDIT DOCUMENTS" is defined in the SIXTH RECITAL.

         "EXISTING LOAN AGREEMENT" is defined in the THIRD RECITAL.

         "EXISTING SECURED CREDITORS" is defined in the THIRD RECITAL.

         "EXISTING NOTES" is defined in the SIXTH RECITAL.

         "EXISTING SECURED CREDITOR DOCUMENTS" is defined in the FIFTH RECITAL.

         "EXISTING SECURED DEBT" means the Debt of the Borrower originally
incurred in favor of (a) Bank of America pursuant to the Existing Credit
Agreement and (b) Duke pursuant to the Existing Loan Agreement, such Debt (and
the security therefor) having been assigned to the Lender.

         "EXCLUDED ASSETS" is defined in the SIXTH RECITAL.


                                       14

<PAGE>




         "FACILITY" means the Tranche A Facility or the Tranche B Facility, or
either of them, as the case may be, providing for the Commitment and the Loans.

         "FEDERAL FUNDS RATE" means, for any day, the rate set forth in the
weekly statistical release designated as H.15(519), or any successor
publication, published by the Federal Reserve Bank of New York (including any
such successor, "H.15(519)") on the preceding Business Day opposite the caption
"Federal Funds (Effective)"; or, if for any relevant day, such rate is not so
published on any such preceding Business Day, the rate for such day will be the
arithmetic mean as determined by the Lender of the rates for the last
transaction in overnight Federal funds arranged prior to 9:00 a.m. (New York
City time) on that day by each of three leading brokers of Federal funds
transactions in New York City selected by the Lender.

         "FISCAL QUARTER" means any quarter ending on the last day of March,
June, September, and December of a Fiscal Year.

         "FISCAL YEAR" means any period of twelve consecutive calendar months
ending on December 31; references to a Fiscal Year with a number corresponding
to any calendar year (E.G., "Fiscal Year 1998") refer to the Fiscal Year ending
on the December 31 occurring during such calendar year.

         "F.R.S. BOARD" means the Board of Governors of the Federal Reserve
System or any successor thereto.

         "GAAP" is defined in SECTION 1.4.

         "G&A EXPENSES" means the general and administrative expenses of the
Borrower and its Subsidiaries not attributable to any particular Oil and Gas
Property or Properties, including without limitation, salaries, office rent and
operating expenses, overhead and outside contractors.

         "GOVERNMENT AGENCY" means any federal, state, regional, tribal or local
government or governmental department or other entity charged with the
administration, interpretation or enforcement of any Applicable Law.

         "GRANTORS" is defined in the FOURTH RECITAL.

         "GUARANTIES" means the guaranties of the Obligations, executed and
delivered pursuant to SECTION 6.1.3 AND SECTION 6.2.7, substantially in the form
of EXHIBIT E, given by each of the Borrower's Subsidiaries.

         "HAZARDOUS MATERIAL" means

                                       15

<PAGE>


               (a) any "hazardous substance", as defined by CERCLA;

               (b) any "hazardous waste", as defined by the Resource
          Conservation and Recovery Act, as amended;

               (c) any petroleum, crude oil or fraction thereof;

               (d) any hazardous, dangerous or toxic chemical, material, waste
          or substance within the meaning of any Environmental Law;

               (e) any radioactive material, including any naturally occurring
          radioactive material, and any source, special or by-product material
          as defined in 42 U.S.C. Section 2011 ET SEQ., and any amendments or
          reauthorizations thereof;

               (f) asbestos-containing materials in any form or condition; or

               (g) polychlorinated biphenyls in any form or condition.

         "HEDGING AGREEMENTS" means:

               (a) interest rate swap agreements, basis swap agreements,
          interest rate cap agreements, forward rate agreements, interest rate
          floor agreements and interest rate collar agreements, and all other
          agreements or arrangements designed to protect such Person against
          fluctuations in interest rates or currency exchange rates, and

               (b) forward contracts, options, futures contracts, futures
          options, commodity swaps, commodity options, commodity collars,
          commodity caps, commodity floors and all other agreements or
          arrangements designed to protect such Person against fluctuations in
          the price of commodities.

         "HEDGING OBLIGATIONS" means, with respect to any Person, all
liabilities (including but not limited to obligations and liabilities arising in
connection with or as a result of early or premature termination of a Hedging
Agreement, whether or not occurring as a result of a default thereunder) of such
Person under a Hedging Agreement.

         "HIGHEST LAWFUL RATE" is defined in SECTION 3.2.4.

         "HYDROCARBON INTERESTS" means all rights, titles and interests in and
to oil and gas leases; oil, gas and mineral leases; other Hydrocarbon leases;
mineral interests; mineral servitudes; overriding royalty interests; royalty
interests; net profits interests; production payment interests; and other
similar interests.


                                       16

<PAGE>


         "HYDROCARBONS" means, collectively, oil, gas, casinghead gas, drip
gasoline, natural gasoline, condensate, distillate and all other liquid or
gaseous hydrocarbons and related minerals and all products therefrom, in each
case whether in a natural or a processed state.

         "IMPERMISSIBLE QUALIFICATION" means, relative to the opinion or
certification of any independent public accountant as to any financial statement
of the Borrower, any qualification or exception to such opinion or certification

               (a) which is of a "going concern" or similar nature;

               (b) which relates to the limited scope of examination of matters
          relevant to such financial statement;

               (c) which relates to the treatment or classification of any item
          in such financial statement and which, as a condition to its removal,
          would require an adjustment to such item the effect of which would be
          to cause the Borrower to be in default of any of its obligations under
          SECTION 8.2.4.; or

               (d) which relates to possible errors generated by financial
          reporting and related systems due to the Year 2000 Problem.

         "INCLUDING" means including without limiting the generality of any
description preceding such term, and, for purposes of this Agreement and each
other Loan Document, the parties hereto agree that the rule of EJUSDEM GENERIS
shall not be applicable to limit a general statement, which is followed by or
referable to an enumeration of specific matters, to matters similar to the
matters specifically mentioned.

         "INDEBTEDNESS" of any Person means, without duplication:

               (a) all obligations of such Person for borrowed money and all
          obligations of such Person evidenced by bonds, debentures, notes or
          other similar instruments;

               (b) all obligations, contingent or otherwise, relative to the
          face amount of all letters of credit, whether or not drawn, and
          banker's acceptances issued for the account of such Person;

               (c) all other items which, in accordance with GAAP, would be
          included as liabilities on the liability side of the balance sheet of
          such Person as of the date at which Indebtedness is to be determined;

               (d) net liabilities of such Person under all Hedging Obligations;


                                       17

<PAGE>



               (e) all net monetary obligations of such Persons with respect to
          Production Payments;

               (f) all Capitalized Lease Liabilities;

               (g) whether or not so included as liabilities in accordance with
          GAAP, all obligations of such Person to pay the deferred purchase
          price of property or services, and indebtedness (excluding prepaid
          interest thereon) secured by a Lien on property owned or being
          purchased by such Person (including indebtedness arising under
          conditional sales or other title retention agreements), whether or not
          such indebtedness shall have been assumed by such Person or is limited
          in recourse; and

               (h) all Contingent Liabilities of such Person;

For all purposes of this Agreement, the Indebtedness of any Person shall include
the Indebtedness of any partnership or joint venture in which such Person is a
general partner or a joint venturer, unless the Lender expressly permits
exclusion based on non-recourse provisions acceptable to the Lender set forth in
the agreements regarding such Indebtedness.

         "INDEMNIFIED LIABILITIES" is defined in SECTION 10.4.

         "INDEMNIFIED PARTIES" is defined in SECTION 10.4.

         "INITIAL TRANCHE B AMOUNT" means the original, principal amount of the
Tranche B Loan made by the Lender on the Effective Date.

         "INTERCREDITOR AGREEMENT" is defined in the FOURTH RECITAL.

         "INTEREST COVERAGE RATIO" means, for any four (4)consecutive Fiscal
Quarters commencing with the Fiscal Quarter beginning October 1, 1999, the ratio
of (a) EBITDA for such Fiscal Quarters to (b) Interest Expense for such Fiscal
Quarters; PROVIDED, HOWEVER, that solely for purposes of calculating the
Interest Coverage Ratio there shall be excluded from the calculation of
Consolidated Net Income those expenses of the Borrower and its Consolidated
Subsidiaries for geological and geophysical services and those incurred in
connection with oil and gas wells that were not commercially successful, in each
case with respect to such entities, Oil & Gas Properties where such expenses
have not been capitalized.

         "INTEREST EXPENSE" means, for any period, the consolidated interest
expense of the Borrower and its consolidated Subsidiaries for such period
(including all imputed


                                       18

<PAGE>


interest under Hedging Agreements, but excluding all fees paid under SECTION
3.3), as determined in accordance with GAAP, including the interest expense
associated with any Capitalized Lease Liabilities of the Borrower and its
consolidated Subsidiaries.

         "INTEREST PERIOD" means, relative to any LIBO Rate Loan, the period
beginning on (and including) the date on which such LIBO Rate Loan is made or
continued as, or converted into, a LIBO Rate Loan pursuant to SECTION 2.3 or 2.4
and ending on (but excluding) the day which numerically corresponds to such date
one, three or six months thereafter (or, if such month has no numerically
corresponding day, on the last Business Day of such month), in each case as the
Borrower may select in its relevant notice pursuant to SECTION 2.3 or 2.4;
PROVIDED, HOWEVER, that

               (a) no more than three different Interest Periods may be in
          effect at any time;

               (b) Interest Periods commencing on the same date for Loans
          comprising part of the same Borrowing shall be of the same duration;

               (c) if such Interest Period would otherwise end on a day which is
          not a Business Day, such Interest Period shall end on the next
          following Business Day (unless, if such Interest Period applies to
          LIBO Rate Loans, such next following Business Day is the first
          Business Day of another calendar month, in which case such Interest
          Period shall end on the Business Day next preceding such numerically
          corresponding day);

               (d) no Interest Period may end later than the Stated Maturity
          Date; and

               (e) the Borrower shall select each Interest Period for a
          particular LIBO Rate Loan so as not to require (as reasonably
          foreseeable as possible) a prepayment of such LIBO Rate Loan during
          such Interest Period.

         "INVESTMENT" means, relative to any Person,

               (a) any loan or advance made by such Person to any other Person
          (excluding commission, travel and similar advances to officers and
          employees made in the ordinary course of business and excluding
          prepaid expenses incurred in the ordinary course of business);

               (b) any Contingent Liability of such Person; and

               (c) any ownership or similar interest held by such Person in any
          other Person; PROVIDED, HOWEVER, that (i) Hedging Obligations and (ii)
          Production



                                       19

<PAGE>

          Payments where the Borrower or its Subsidiary is the grantor or
          transferror thereof shall not be considered Investments.

The amount of any Investment shall be the original principal or capital amount
thereof less all returns of principal or equity thereon (and without adjustment
by reason of the financial condition of such other Person) and shall, if made by
the transfer or exchange of property other than cash, be deemed to have been
made in an original principal or capital amount equal to the fair market value
of such property.

         "ISSUANCE REQUEST" means a request for the issuance of a Letter of
Credit and certificate duly executed by the chief executive, accounting or
financial Authorized Officer of the Borrower, in substantially the form of
EXHIBIT M attached hereto (with such changes thereto as may be agreed upon from
time to time by the Issuer and the Borrower).

         "ISSUER" means the Lender or its designee, in its capacity as an issuer
of the Letters of Credit.

         "LENDER ASSIGNMENT NOTICE" means a Lender Assignment Notice
substantially in the form of EXHIBIT G hereto.

         "LENDER" is defined in the PREAMBLE.

         "LETTER OF CREDIT" is defined in SECTION 4.1.

         "LETTER OF CREDIT AVAILABILITY" means, at any time, the lesser of

                  (a)      the excess of

                           (i)      $1,000,000 OVER

                           (ii)     the then Letter of Credit Outstandings,

         OR

                  (b) the Tranche A Commitment Availability at such time.

         "LETTER OF CREDIT OUTSTANDINGS" means, at any time, an amount equal to
sum of

                  (a) the aggregate Stated Amount at such time of all Letters of
         Credit then outstanding and undrawn (as such aggregate Stated Amount
         shall be adjusted, from time to time, as a result of drawings, the
         issuance of Letters of Credit, or otherwise),



                                       20

<PAGE>


PLUS

                  (b) the then aggregate amount of all unpaid and outstanding
Reimbursement Obligations.

         "LIBO RATE" means, with respect to each Interest Period for a LIBO Rate
Loan, the rate of interest equal to the average (rounded upward, if necessary,
to the nearest 1/16th of 1%) of the rates per annum at which Dollar deposits in
immediately available funds are offered to the Lender's LIBOR Office in the
London interbank market as at or about 11:00 a.m. London time two (2) Business
Days prior to the beginning of such Interest Period for Dollar deposits of
amounts comparable to the outstanding principal amount of the LIBO Rate Loan for
which an interest rate is then being determined with maturities comparable to
the Interest Period to be applicable to such LIBO Rate Loan.

         "LIBO RATE LOAN" means a Loan bearing interest, at all times during an
Interest Period applicable to such Loan, at a fixed rate of interest determined
by reference to the LIBO Rate.

         "LIBO RATE (RESERVE ADJUSTED)" means, relative to any Loan to be made,
continued or maintained as, or converted into, a LIBO Rate Loan for any Interest
Period, a rate per annum (rounded upwards, if necessary, to the nearest 1/16 of
1%) determined pursuant to the following formula:

                  LIBO Rate    =                    LIBO RATE
                                                    ---------
         (Reserve Adjusted)             1.00 - LIBOR Reserve Percentage

         The LIBO Rate (Reserve Adjusted) for any Interest Period for LIBO Rate
Loans will be determined by the Lender on the basis of the LIBOR Reserve
Percentage in effect on, and the applicable rates furnished to and received by
the Lender, two Business Days before the first day of such Interest Period.

         "LIBOR OFFICE" means the office of the Lender designated as such on the
signature page hereto or designated in a Lender Assignment Notice or such other
office of the Lender (or any successor or assign of the Lender) as designated
from time to time by notice from the Lender to the Borrower, whether or not
outside the United States, which shall be making or maintaining LIBO Rate Loans
of the Lender hereunder.

         "LIBOR RESERVE PERCENTAGE" means, relative to any Interest Period for
LIBO Rate Loans, the reserve percentage (expressed as a decimal) equal to the
maximum aggregate reserve requirements (including all basic, emergency,
supplemental, marginal and other reserves and taking into account any
transitional adjustments or



                                       21

<PAGE>


other scheduled changes in reserve requirements) specified under regulations
issued from time to time by the F.R.S. Board and then applicable to assets or
liabilities consisting of and including "Eurocurrency Liabilities", as
currently defined in Regulation D of the F.R.S. Board, having a term
approximately equal or comparable to such Interest Period.

         "LIEN" means any security interest, mortgage, deed of trust, pledge,
hypothecation, assignment, charge or deposit arrangement, encumbrance, lien
(statutory or otherwise), charge against or interest in Property to secure (i)
the payment of a debt or (ii) the performance of an obligation, or other
priority or preferential arrangement of any kind or nature whatsoever in respect
of any Property (including those created by, arising under or evidenced by any
conditional sale or other title retention agreement, the interest of a lessor
under a capital lease, any financing lease having substantially the same
economic effect as any of the foregoing, or the filing of any financing
statement naming the owner of the asset to which such lien relates as debtor,
under the Uniform Commercial Code or any comparable law) and any contingent or
other agreement to provide any of the foregoing.

         "LOANS" means the loans provided for by SECTION 2.1 and shall include
Tranche A Loans and Tranche B Loans.

         "LOAN DOCUMENTS" means this Agreement, the Notes, the Security
Documents, the Warrant Documents, all Letters of Credit, all Hedging Agreements
and all other agreements relating to this Agreement entered into from time to
time between the Borrower (or any or all of its Subsidiaries or Affiliates) and
the Lender (or any Affiliate of the Lender), and any document delivered by the
Borrower or any of its Subsidiaries in connection with any of the foregoing.

         "MMBtu" means one million British Thermal Units.

         "MARK TO MARKET EXPOSURE" means the net amount, as determined by the
Lender from time to time, that would be required to terminate all outstanding
transactions then open under Hedging Agreements between the Borrower and any
other Person.

         "MATERIAL ADVERSE EFFECT" means (a) a material adverse change in, or a
material adverse effect upon, the operations, business, properties, liabilities,
contractual obligations, condition (financial or otherwise), affairs or
prospects of the Borrower or any other Obligor and its consolidated
Subsidiaries; or (b) a material impairment of the ability of the Borrower or any
Obligor to perform under any Loan Document and to avoid any Event of Default; or
(c) a material adverse effect upon (i) the legality, validity, binding effect or
enforceability against the Borrower, its Subsidiaries or any other Obligor of
any Loan Document, or (ii) the perfection or priority of any Lien granted under
any of the Loan Documents.


                                       22

<PAGE>



         "MATERIAL CONTRACT" means (i) each Acquisition Agreement, Hydrocarbon
purchase and sale agreement, or similar contract relating to any Hydrocarbon
Interests included in the Mortgaged Properties, Borrowing Base Properties and/or
Development Properties or (ii) other agreement designated as such by the Lender.

         "MORTGAGE CONSENTS" means all consents required under existing oil and
gas leases or other agreements and Approvals by Governmental Agencies to the
granting of a Mortgage to the Lender, and as reasonably determined by the Lender
with respect to Acquired Properties that become Mortgaged Properties after the
Effective Date.

         "MORTGAGES" means the Mortgage, Deed of Trust, Assignment, Security
Agreement, Financing Statements and Fixture Filing executed and delivered
pursuant to SECTION 6.1.7 and SECTION 6.2.2, substantially in the form of
EXHIBIT D hereto, as amended, supplemented, restated or otherwise modified from
time to time.

         "MORTGAGED PROPERTIES" means the Hydrocarbon Interests, Properties and
interests described in and secured by the Mortgages, as such Properties and
interests are from time to time constituted, all as further provided in SECTION
6.1.7 and SECTION 6.2.2.

         "NON-REDEEMABLE STOCK" means stock issued by the Borrower or any of its
Subsidiaries, PROVIDED that such stock is not considered debt for GAAP, tax law
or any other purpose and PROVIDED FURTHER that neither the Borrower nor any of
its Subsidiaries has any obligation to redeem or purchase or pay dividends on
such stock or to exchange such stock for, or convert such stock to, any other
security, whether such obligation arises pursuant to the terms of such stock or
any other agreement relating thereto or otherwise and whether or not such
obligation exists in all circumstances or only upon the occurrence of a
particular event or condition or upon the passage of time or otherwise.

         "NOTES" means the secured promissory note or notes of the Borrower
payable to the order of the Lender, in the form of EXHIBIT A hereto (as such
promissory notes may be amended, endorsed or otherwise modified from time to
time), evidencing the aggregate Indebtedness of the Borrower to the Lender
resulting from outstanding Loans, and also means all other promissory notes
accepted from time to time in substitution therefor or renewal thereof.

         "OBLIGATIONS" means all obligations (monetary or otherwise) of the
Borrower and/or any other Obligor arising under or in connection with this
Agreement, the Notes and each other Loan Document, including without limitation,
all Hedging Obligations arising under Hedging Agreements between the Borrower
(or any Affiliate of the Borrower) and the Lender (or any Affiliate of the
Lender).



                                       23

<PAGE>


         "OBLIGOR" means the Borrower, any of its Subsidiaries or any other
Person (other than the Lender or any Affiliate of the Lender) obligated under,
or otherwise a party to, any Loan Document.

         "OIL AND GAS PROPERTIES" means Hydrocarbon Interests; the Properties
now or hereafter pooled or unitized with Hydrocarbon Interests; all presently
existing or future unitization, pooling agreements and declarations of pooled
units and the units created thereby (including without limitation all units
created under orders, regulations and rules of any Government Agency having
jurisdiction) which may affect all or any portion of the Hydrocarbon Interests;
all operating agreements, joint venture agreements, contracts and other
agreements which relate to any of the Hydrocarbon Interests or the production,
sale, purchase, exchange or processing of Hydrocarbons from or attributable to
such Hydrocarbon Interests; all Hydrocarbons in and under and which may be
produced and saved or attributable to the Hydrocarbon Interests, the lands
covered thereby and all oil in tanks and all rents, issues, profits, proceeds,
products, revenues and other incomes from or attributable to the Hydrocarbon
Interests; all tenements, profits a prendre, hereditaments, appurtenances and
Properties in anywise appertaining, belonging, affixed or incidental to the
Hydrocarbon Interests, Properties, rights, titles, interests and estates
described or referred to above, including any and all Property, real or
personal, now owned or hereinafter acquired and situated upon, used, held for
use or useful in connection with the operating, working or development of any of
such Hydrocarbon Interests or Property (excluding drilling rigs, automotive
equipment or other personal property which may be on such premises for the
purpose of drilling a well or for other similar temporary uses) and including
any and all oil wells, gas wells, water wells, injection wells or other wells,
buildings, structures, fuel separators, liquid extraction plants, plant
compressors, pumps, pumping units, field gathering systems, tanks and tank
batteries, fixtures, valves, fittings, machinery and parts, engines, boilers,
meters, apparatus, equipment, appliances, tools, implements, cables, wires,
towers, casing, tubing and rods, surface leases, rights-of-way, easements and
servitudes together with all additions, substitutions, replacements, accessions
and attachments to any and all of the foregoing.

         "OLD ESENJAY" means Esenjay Petroleum Corporation, a Texas corporation.

         "ORGANIC DOCUMENT" means, relative to any corporate Obligor, its
certificate of incorporation, its by-laws and all shareholder agreements, voting
trusts and similar arrangements applicable to any of its authorized shares of
capital stock, and, relative to any partnership Obligor, its partnership
agreement.

         "OVERRIDING ROYALTY INTEREST" means the interests conveyed and assigned
by the Assignment.



                                       24
<PAGE>


         "PARTICIPANT" is defined in SECTION 10.11.2.

         "PBGC" means the Pension Benefit Guaranty Corporation and any entity
succeeding to any or all of its functions under ERISA.

         "PENSION PLAN" means a "pension plan", as such term is defined in
section 3(2) of ERISA, which is subject to Title IV of ERISA (other than a
multiemployer plan as defined in section 4001(a)(3) of ERISA), and to which the
Borrower or any corporation, trade or business that is, along with the Borrower,
a member of a Controlled Group, may have liability, including any liability by
reason of having been a substantial employer within the meaning of section 4063
of ERISA at any time during the preceding five years, or by reason of being
deemed to be a contributing sponsor under section 4069 of ERISA.

         "PERCENTAGE" means, relative to the Lender, 100%, as such percentage
may be adjusted from time to time pursuant to Lender Assignment Notice(s)
executed by the Lender and its Assignee Lender(s) and delivered pursuant to
SECTION 10.11.

         "PERSON" means any natural person, corporation, partnership, joint
venture, limited liability company, firm, association, trust, Government Agency
or any other entity, whether acting in an individual, fiduciary or other
capacity.

         "PLAN" means any Pension Plan or Welfare Plan.

         "PLEDGE AGREEMENT" means a Pledge Agreement of the Borrower executed
and delivered pursuant to SECTION 6.1.4 and SECTION 6.2.8, substantially in the
form of EXHIBIT F-1 hereto, and a Pledge Agreement of each of the Borrower's
Subsidiaries executed and delivered pursuant to SECTION 6.1.4 and SECTION 6.2.8,
substantially in the form of EXHIBIT F-2 hereto, in each case as amended,
supplemented, restated or otherwise modified from time to time.

         "PROCEEDS ACCOUNT" is defined in SECTION 3.4.

         "PRODUCTION PAYMENTS" means a production payment (whether volumetric or
dollar denominated) or similar royalty, overriding royalty, net profits interest
or other similar interest in Oil and Gas Properties, or the right to receive all
or a portion of the production or the proceeds from the sale of production
attributable to such Oil and Gas Properties where the holder of such interest
has recourse solely to such interest and the grantor or transferor thereof has
an express contractual obligation to produce and sell Hydrocarbons from such Oil
and Gas Properties, or to cause such Oil and Gas Properties to be so operated
and maintained, in each case in a reasonably prudent manner.


                                      25

<PAGE>


         "PROPERTY" means any interest in any kind of property or asset, whether
real, personal or mixed, or tangible or intangible.

         "PROVEN RESERVES" means collectively, "proved oil and gas reserves,"
"proved developed producing oil and gas reserves," "proved developed
non-producing oil and gas reserves" (consisting of proved developed shut-in oil
and gas reserves and proved developed behind pipe oil and gas reserves), and
"proved undeveloped oil and gas reserves," as such terms are defined by the U.S.
Securities and Exchange Commission in its standards and guidelines.

         "QUARTERLY PAYMENT DATE" means, commencing in April 2000, the first
Business Day of each April, July, October and January.

         "REGISTRATION RIGHTS AGREEMENT" means the Registration Rights
Agreement, substantially in the form of EXHIBIT O-3, between the Borrower and
the Lender or the Designee.

         "REIMBURSEMENT OBLIGATION" is defined in SECTION 4.5.

         "RELEASE" means a "release," as such term is defined in CERCLA.

         "REMEDIAL ACTION" means any action under Environmental Laws required to
(a) clean up, remove, treat, dispose of, abate, or in any other way address
pollutants (including Hazardous Materials) in the environment, (b) prevent the
Release or threat of a Release or minimize the further Release of pollutants, or
(c) investigate and determine if a remedial response is needed and to design
such a response and any post-remedial investigation, monitoring, operation, and
maintenance and care.

         "RESOURCE CONSERVATION AND RECOVERY ACT" means the Resource
Conservation and Recovery Act, 42 U.S.C. Section 6901, ET SEQ., as in effect
from time to time.

         "RESTRICTED PAYMENT TESTS" means compliance with each of the following
restrictions (both before and immediately after giving effect to the applicable
Distribution Payment):

               (a) Tangible Net Worth shall not be less than the sum of (i)
          $20,000,000 plus (ii) fifty percent (50%) of Consolidated Net Income
          (excluding the effects of consolidated net losses), for all Fiscal
          Quarters beginning after the Effective Date and treated as a single
          accounting period;

               (b) the Current Ratio shall be not less than 1.0:1.0;

               (c) the Debt to Capitalization Ratio shall not be greater than
          60%;


                                       26


<PAGE>

               (d) the Interest Coverage Ratio shall be not less than 3.0:1.0;

               (e) the Tranche B Loan shall have been paid in full and the
          Tranche B Commitment shall have been terminated;

               (f) there shall exist no Collateral Value Deficiency;

               (g) there shall exist no Borrowing Base Deficiency; and

               (h) no Default shall have occurred and be continuing.

         "SECURITY AGREEMENT" means a security agreement and any similar
instrument or agreement executed and delivered pursuant to SECTION 6.1.5 or
SECTION 6.2.6, substantially in the form of EXHIBIT C, as amended, supplemented,
restated or otherwise modified from time to time.

         "SECURITY DOCUMENTS" means, collectively, (a) the Guaranties, (b) the
Pledge Agreements, (c) the Mortgages, (d) the Security Agreements, (e) the
Consents and (f) the Mortgage Consents, together with any exhibits, schedules
and other attachments to such documents and any financing statements related
thereto, as such documents, exhibits, schedules, attachments or financing
statements may be, from time to time, amended, supplemented, restated or
otherwise modified.

         "STATED AMOUNT" of each Letter of Credit means the face amount or the
"Stated Amount" of such Letter of Credit (as defined therein).

         "STATED EXPIRY DATE" is defined in SECTION 4.1.

         "STATED MATURITY DATE means

               (a) as to any Tranche A Loan, that date that is four (4) years
          after the Tranche A Availability Termination Date; and

               (b) as to any Tranche B Loan, that date that is two (2) years
          after the Tranche B Availability Termination Date.

         "SUBSIDIARY" means, with respect to any Person, (a) any corporation of
which more than 50% of the outstanding capital stock having ordinary voting
power to elect a majority of the board of directors of such corporation
(irrespective of whether at the time capital stock of any other class or classes
of such corporation shall or might have voting power upon the occurrence of any
contingency) is at the time directly or indirectly owned by such Person, (b) any
partnership, limited liability company, joint venture, association or other
business entity in which more than 50% of the equity interest or


                                       27

<PAGE>

voting power is at the time directly or indirectly owned by such Person, by
such Person and one or more other Subsidiaries of such Person, or by one or
more other Subsidiaries of such Person or (c) any partnership in which such
Person is a general partner.

         "SURETY INSTRUMENTS" means all letters of credit (including standby and
commercial), banker's acceptances, bank guaranties, shipside bonds, surety bonds
and similar instruments.

         "TANGIBLE NET WORTH" means the consolidated net worth of the Borrower
and its consolidated Subsidiaries after subtracting therefrom the aggregate
amount of any intangible assets of the Borrower and its consolidated
Subsidiaries, including goodwill, franchises, licenses, patents, trademarks,
trade names, copyrights, service marks and brand names.

         "TAXES" is defined in SECTION 5.6.

         "TERM LOAN" means a Tranche A Loan that has been converted from a
revolving loan to a term loan pursuant to the provisions of SECTION 2.1.1.

         "TRANCHE A AVAILABILITY TERMINATION DATE" means January 24, 2001.

         "TRANCHE A COMMITMENT" means the Lender's commitment pursuant to
SECTION 2.1.1 to make Tranche A Loans to the Borrower in accordance with the
terms and provisions of this Agreement.

         "TRANCHE A COMMITMENT AMOUNT" means $20,000,000, as reduced from time
to time pursuant to the provisions of SECTION 2.2.

         "TRANCHE A FACILITY" means the Facility providing for the Tranche A
Commitment and the Tranche A Loans.

         "TRANCHE A LOAN" means the loans made by the Lender to the Borrower
pursuant to its Tranche A Commitment in accordance with SECTIONS 2.1.1 and 2.3,
and includes such Loans during all times before and after they have been
converted into a Term Loan pursuant to SECTION 2.1.1(b).

         "TRANCHE B AVAILABILITY TERMINATION DATE" means the Effective Date.

         "TRANCHE B COMMITMENT" means the Lender's commitment pursuant to
SECTION 2.1.2 to make the Tranche B Loan to the Borrower in accordance with the
terms and provisions of this Agreement.

                                       28

<PAGE>



         "TRANCHE B COMMITMENT AMOUNT" means $9,000,000, as reduced from time to
time pursuant to the provisions of SECTION 2.2.

         "TRANCHE B FACILITY" means the Facility providing for the Tranche B
Commitment and the Tranche B Loan.

         "TRANCHE B LOAN" means the Loan made by the Lender to the Borrower
pursuant to its Tranche B Commitment in accordance with SECTIONS 2.1.2 and 2.3.

         "TYPE" means, relative to any Loan, the portion thereof, if any, being
maintained as a Base Rate Loan or a LIBO Rate Loan.

         "UNITED STATES" or "U.S." means the United States of America, its fifty
States and the District of Columbia.

         "WARRANT AGREEMENT" means the Warrant Agreement, substantially in the
form of EXHIBIT O-1, between the Borrower and the Lender or the Designee.

         "WARRANT DOCUMENTS" means the Warrant Agreement, the Warrants and the
Registration Rights Agreement.

         "WARRANTS" means the warrants, substantially in the form of EXHIBIT
O-2, from the Borrower to the Lender or the Designee.

         "WELFARE PLAN" means a "welfare plan", as such term is defined in
section 3(1) of ERISA.

         "YEAR 2000 COMPLIANT" is defined in SECTION 7.19.

         "YEAR 2000 PROBLEM" is defined in SECTION 7.19.

         SECTION 1.2. USE OF DEFINED TERMS. Unless otherwise defined or the
context otherwise requires, terms for which meanings are provided in this
Agreement shall have such meanings when used in the Disclosure Schedule and in
each Note, Borrowing Request, Continuation/Conversion Notice, notice and other
communication or other Loan Document delivered from time to time in connection
with this Agreement or any other Loan Document.

         SECTION 1.3. CROSS-REFERENCES. Unless otherwise specified, references
in this Agreement and in each other Loan Document to any Article or Section are
references to such Article or Section in this Agreement or other Loan Document,
as applicable.


                                       29

<PAGE>


                  (a) The meanings of defined terms are equally applicable to
         the singular and plural forms of the defined terms.

                  (b) The words "hereof," "herein," "hereunder" and similar
         words refer to this Agreement as a whole and not to any particular
         provision of this Agreement; and subsection, Section, Schedule and
         Exhibit references are to this Agreement or such other Loan Document,
         as the case may be, and, unless otherwise specified, references in any
         Article, Section or definition to any clause are references to such
         clause of such Article, Section or definition.

                  (c) (i) The term "documents" includes any and all instruments,
         documents, agreements, certificates, indentures, notices and other
         writings, however evidenced.

                           (ii) In the computation of periods of time from a
                  specified date to a later specified date, the word "from"
                  means "from and including"; the words "to" and "until" each
                  mean "to but excluding," and the word "through" means "to and
                  including."

                           (iii) The term "property" includes any kind of
                  property or asset, real, personal or mixed, tangible or
                  intangible.

                  (d) Unless otherwise expressly provided herein, (i) references
         to agreements (including this Agreement) and other contractual
         instruments shall be deemed to include all subsequent amendments and
         other modifications thereto, but only to the extent such amendments and
         other modifications are not prohibited by the terms of any Loan
         Document, and (ii) references to any statute or regulation are to be
         construed as including all statutory and regulatory provisions
         consolidating, amending, replacing, supplementing or interpreting the
         statute or regulation.

                  (e) This Agreement and other Loan Documents may use several
         different limitations, tests or measurements to regulate the same or
         similar matters. All such limitations, tests and measurements are
         cumulative and shall each be performed in accordance with their terms.
         Unless otherwise expressly provided, any reference to any action of the
         Lender by way of consent, approval or waiver shall be deemed modified
         by the phrase "in its sole discretion."

                  (f) This Agreement and the other Loan Documents are the result
         of negotiations among and have been reviewed by counsel to the Lender,
         the Borrower and the other parties, and are the products of all
         parties. Accordingly, they shall not be construed against the Lender
         merely because of the Lender's involvement in their preparation.


                                       30

<PAGE>

         SECTION 1.4. ACCOUNTING AND FINANCIAL DETERMINATIONS. Unless otherwise
specified, all accounting terms used herein or in any other Loan Document shall
be interpreted, all accounting determinations and computations hereunder or
thereunder (including under SECTION 8.2.4) shall be made, and all financial
statements required to be delivered hereunder or thereunder shall be prepared in
accordance with, those generally accepted accounting principles ("GAAP") applied
in the preparation of the financial statements referred to in SECTION 7.7.

                                 ARTICLE II

                COMMITMENTS, BORROWING PROCEDURES AND NOTES

         SECTION 2.1. COMMITMENTS. On the terms and subject to the conditions of
this Agreement (including ARTICLE V), the Lender agrees to make loans ("LOANS")
to the Borrower equal to the aggregate amount of the Borrowing of Loans
requested by the Borrower to be made pursuant to the Commitments on such day
described in this SECTION 2.1.

         SECTION 2.1.1.  TRANCHE A COMMITMENT.

         (a) From time to time on any Business Day during the period from and
after the Effective Date to the earlier to occur of (x) Tranche A Availability
Termination Date and (y) any Commitment Termination Date relating to all
Commitments or to the Tranche A Commitment, the Lender will make Tranche A Loans
to the Borrower equal to the amount of the Tranche A Loan requested by the
Borrower to be made on such day in the applicable Borrowing Request therefor. On
the terms and subject to the conditions of this Agreement, the Borrower may from
time to time borrow, prepay and reborrow Tranche A Loans.

         (b) On the terms and subject to the conditions of this Agreement, the
Lender agrees to convert the aggregate unpaid principal amount of the Tranche A
Loans outstanding at the opening of business on the Tranche A Availability
Termination Date to a Term Loan, PROVIDED that (i) no Event of Default has
occurred and is continuing at that time, (ii) the representations and warranties
of the Borrower and its Subsidiaries made and given in the Loan Documents are
true and correct and (iii) the Borrower has provided a certificate to the Lender
to that effect. Once repaid or prepaid, such Term Loan may not be reborrowed.

         SECTION 2.1.2 TRANCHE B COMMITMENT. On the Effective Date, the Lender
will make the Tranche B Loan to the Borrower in an amount equal to the aggregate
amount of the Tranche B Loan requested by the Borrower to be made on such day in
the applicable Borrowing Request therefor. On the terms and subject to the
conditions


                                      31

<PAGE>

of this Agreement, the Borrower may from time to time prepay or repay Tranche
B Loans, but may not reborrow any amounts paid or prepaid.

         SECTION 2.1.3 LETTERS OF CREDIT. From time to time on any Business Day,
the Issuer will issue the Letters of Credit in accordance with ARTICLE IV.

         SECTION 2.1.4 LENDER NOT REQUIRED TO MAKE LOANS, ETC. UNDER CERTAIN
CIRCUMSTANCES. The Lender shall not be required to

         (a) make any Loan if, after giving effect thereto

               (i) the aggregate outstanding principal amount of all Tranche A
          Loans would exceed the Tranche A Commitment Amount less the Letter of
          Credit Outstandings, or

               (ii) the aggregate outstanding principal amount of all Tranche B
          Loans would exceed the Tranche B Commitment Amount, or

               (iii) a Collateral Value Deficiency would exist; or

               (iv) a Borrowing Base Deficiency would exist; or

               (v) an Event of Default has occurred and is continuing; or

         (b) cause an Issuer to issue any Letter of Credit if, after giving
effect thereto

               (i) all Letter of Credit Outstandings together with the aggregate
          outstanding principal amount of all Tranche A Loans would exceed the
          Tranche A Commitment Amount; or

               (ii) a Collateral Value Deficiency would exist; or

               (iii) a Borrowing Base Deficiency would exist; or

               (iv) all Letter of Credit Outstandings would exceed $1,000,000;
          or

               (v) an Event of Default has occurred and is continuing.

         SECTION 2.2 REDUCTION OF COMMITMENT AMOUNTS. The Commitment Amount is
subject to reduction from time to time pursuant to this SECTION 2.2.

         SECTION 2.2.1 OPTIONAL. The Borrower may, from time to time on any
Business Day, voluntarily reduce the Tranche A Commitment Amount; PROVIDED,


                                      32

<PAGE>


HOWEVER, that all such reductions shall require at least three (3) Business
Days' prior notice to the Lender and be permanent, and any partial reduction of
either Commitment Amount shall be in a minimum amount of $250,000 and in an
integral multiple of $50,000.

         SECTION 2.2.2  MANDATORY.

                  (a) On the Tranche A Availability Termination Date, the unused
         portion of the Tranche A Commitment shall, without any further action,
         automatically and permanently be cancelled.

                  (b) On the Tranche B Availability Termination Date, the unused
         portion of the Tranche B Commitment shall, without any further action,
         automatically and permanently be cancelled.

                  (c) On any Commitment Termination Date, the Commitment Amount
         shall be reduced to zero.

         SECTION 2.3 BORROWING PROCEDURE. By delivering a Borrowing Request to
the Lender on or before 10:00 a.m. (New York time) on a Business Day, the
Borrower may from time to time irrevocably request, on not less than three (3)
nor more than five (5) Business Days' notice, that a Borrowing be made in a
minimum amount of $250,000 and an integral multiple of $50,000, or in the unused
amount of the applicable Commitment. On the terms and subject to the conditions
of this Agreement, each Borrowing shall be made on the Business Day specified in
such Borrowing Request. The Lender shall make such funds available to the
Borrower by wire transfer to the accounts the Borrower shall have specified in
its Borrowing Request.

         SECTION 2.4 CONTINUATION AND CONVERSION ELECTIONS. By delivering a
Continuation/Conversion Notice to the Lender on or before 10:00 a.m. (New York
time) on a Business Day, the Borrower may from time to time irrevocably elect,
on not less than three (3) nor more than five (5) Business Days' notice that
all, or any portion in an aggregate minimum amount of $250,000 and an integral
multiple of $50,000, of any Base Rate Loans, be converted into a LIBO Rate Loan,
or of any LIBO Rate Loans, be converted into a Base Rate Loan or continued as a
LIBO Rate Loan (in the absence of delivery of a Continuation/Conversion Notice
with respect to any LIBO Rate Loan at least three (3) Business Days before the
last day of the then current Interest Period with respect thereto, such LIBO
Rate Loan shall, on such last day, automatically convert to a Base Rate Loan);
PROVIDED, HOWEVER, that no portion of the outstanding principal amount of any
LIBO Rate Loan may be continued as, and no portion of the outstanding principal
amount of any Base Rate Loan may be converted into, LIBO Rate Loans when any
Default has occurred and is continuing.


                                       33

<PAGE>


         SECTION 2.5  LOAN ACCOUNTS AND NOTES.

                  (a) The Loans made by the Lender shall be evidenced by one or
         more loan accounts or records maintained by the Lender in the ordinary
         course of business. The loan accounts or records maintained by the
         Lender shall be conclusive absent manifest error of the amount of the
         Loans made by the Lender to the Borrower and the interest and payments
         thereon. Any failure so to record or any error in doing so shall not,
         however, limit or otherwise affect the obligation of the Borrower
         hereunder to pay any amount owing with respect to the Loans.

                  (b) The Loans made by the Lender shall also be evidenced by a
         Note or Notes payable to the order of the Lender in a maximum principal
         amount equal the Lender to make (or cause to be made) appropriate
         notations on the grid attached to the Notes (or on any continuation of
         such grid) or in other books and records maintained by the Lender,
         which notations, if made, shall evidence, INTER ALIA, the date of, the
         outstanding principal of, and the interest rate applicable to the Loans
         evidenced thereby (the Borrower may from time to time reasonably
         request a copy of such grid). Such notations shall be conclusive and
         binding on the Borrower absent manifest error rebuttable presumptive
         evidence of the matters described therein; PROVIDED, HOWEVER, that the
         failure of the Lender to make any such notations shall not limit or
         otherwise affect any Obligations of the Borrower or any other Obligor.

                  (c) The Borrower acknowledges that the Note delivered to the
         Lender as of the Effective Date amends, restates and renews the
         Existing Notes given by the Borrower under the agreements evidencing
         the Existing Secured Debt.

         SECTION 2.6 BORROWING BASE REDETERMINATION AND COLLATERAL VALUE
REDETERMINATON.

                  (a) Within thirty (30) days after receipt of the Engineering
         Report required to be delivered semi-annually, commencing with the
         Engineering Report required to be delivered sixty (60) days after July
         1, 2000, the Lender shall notify the Borrower in writing of the
         Borrowing Base determined by the Lender on the basis of such
         Engineering Report. Borrower or Lender may request, and Lender will
         consider, one (1) additional determination of the Borrowing Base at any
         time during each Fiscal Year following the Effective Date. Each such
         determination is herein called a "BORROWING BASE REDETERMINATION".
         Contemporaneously with each Borrowing Base Redetermination that shall
         occur at any time that any Tranche B Loan is outstanding, the Lender
         shall notify the Borrower in writing of the Collateral Value determined
         by the Lender on the basis of such Engineering Report. Each such
         determination is herein called a "COLLATERAL VALUE REDETERMINATION".
         Each Borrowing Base Redetermination (and, as applicable,


                                       34
<PAGE>


         Collateral Value Redetermination) shall be effective as of April 1st
         (with respect to Engineering Reports effective January 1st), October
         1st (with respect to Engineering Reports effective July 1st) or upon
         notice from the Lender (with respect to any requested Borrowing Base
         Redetermination) when the Borrower is notified of the amount of the
         redetermined Borrowing Base (and, as applicable the amount of the
         redetermined Collateral Value) by the Lender.

                  (b) In addition to the Borrowing Base Redeterminations and
         Collateral Value Redeterminations described in the foregoing SECTION
         2.6(a), the Borrower shall deliver to the Lender an Engineering Report
         dated effective as of April 1, 2000, and the Lender shall redetermine
         the Borrowing Base and the Collateral Value based upon such Engineering
         Report. Such report shall be delivered on or before May 1, 2000, and
         the Borrowing Base Redetermination and Collateral Value Redetermination
         made pursuant thereto shall be effective as of June 1, 2000. If
         approved by the Lender, such Engineering Report may be prepared by an
         internal engineer employed by the Borrower.

                  (c) The Borrowing Base and Collateral Value are also subject
to adjustment as provided for in SECTION 3.1.2.

         SECTION 2.7 PURPOSES. The Borrower shall apply the proceeds of each
Loan only in the following manner:

                  (a)      to refinance the Existing Secured Debt;

                  (b)      to finance Approved Development Activities with
         respect to the Oil and Gas Properties owned by the Borrower or one of
         the Borrower's Subsidiaries including those Properties located in
         Liberty, Hardin, Wharton, Aransas, Refugio, Goliad, Bee, De Witt,
         Lovaca, Brazoria, Jefferson, Chambers, Galveston, Matagorda, Live Oak,
         San Patricio, Karnes, Willacy and Calhoun Counties, Texas; Beaureguard,
         Calcasieu, Cameron and Terrebonne Parishes, Louisiana; and Cleveland
         County, Oklahoma; and

                  (c) for other general corporate and working capital purposes.

                                ARTICLE III

                 REPAYMENTS, PREPAYMENTS, INTEREST AND FEES

         SECTION 3.1 REPAYMENTS AND PREPAYMENTS AND CERTAIN BORROWING BASE
MATTERS. The Borrower shall repay the unpaid principal amount of the Loans as
set forth in this SECTION 3.1.


                                       35

<PAGE>


         SECTION 3.1.1 REPAYMENTS AND PREPAYMENTS. The Borrower shall repay in
full the unpaid principal amount of each Tranche A Loan, and each Tranche A Loan
shall mature and be due and payable, on the Tranche A Availability Termination
Date; PROVIDED, HOWEVER, that, as provided in SECTION 2.1.1(b), if (i) no Event
of Default has occurred and is continuing, (ii) the representations and
warranties of the Borrower and its Subsidiaries are true and correct in all
material respects and (iii) the Lender shall have received a certificate to that
effect, the unpaid principal amount of the Tranche A Loans shall, on the Tranche
A Availability Termination Date, not be due and payable but shall convert to a
Term Loan. The Borrower shall repay in full the unpaid principal amount of each
Loan upon the Stated Maturity Date applicable thereto. Prior thereto, the
Borrower

               (a) may, from time to time on any Business Day, make a voluntary
          prepayment, in whole or in part, of the outstanding principal amount
          of any Loans; PROVIDED, HOWEVER, that

                    (i) any such prepayment shall be made PRO RATA among Loans
               of the same type;

                    (ii) no such prepayment of any LIBO Rate Loan may be made on
               any day other than the last day of the Interest Period for such
               Loan;

                    (iii) all such voluntary prepayments shall require at least
               three (3) but no more than five (5) Business Days' prior written
               notice to the Lender (which notice is irrevocable) stating the
               date and amount of such prepayment and the type of Loan to be
               prepaid; and

                    (iv) all such voluntary partial prepayments shall be in an
               aggregate minimum amount of $100,000 and an integral multiple of
               $50,000;

               (b) shall, on each date when any reduction in any Commitment
          Amount shall become effective, including pursuant to SECTION 2.2, make
          a mandatory prepayment (which shall be applied (or held for
          application, as the case may be) by the Lender to the payment of the
          aggregate unpaid principal amount of those Loans then outstanding and
          then to the payment of the then Letter of Credit Outstandings) equal
          to the excess, if any, of the aggregate outstanding principal amount
          of all Loans and Letter of Credit Outstandings over such Commitment
          Amount as so reduced;

               (c) shall make prepayments as specified in SECTION 3.1.2;

                                       36

<PAGE>


               (d) shall, if Tranche A Loans have been converted to a Term Loan
          pursuant to the terms and conditions hereof, on each Quarterly Payment
          Date after the Tranche A Availability Termination Date, make a payment
          in an amount equal to that necessary to amortize the principal of all
          Tranche A Loans that have been converted into a Term Loan equally over
          the remaining Quarterly Payment Dates and the Stated Maturity Date
          that is applicable to Tranche A Loans;

               (e) shall, on the following dates, pay an amount necessary to
          reduce the outstanding principal amount of the Tranche B Loan to the
          following amounts, such that the entire amount of the Tranche B Loan
          shall be repaid in full on Stated Maturity Date applicable to the
          Tranche B Loan:

<TABLE>
<CAPTION>
- -------------------------------------------------------- --------------------------------------------------------
                                                         Maximum  Amount of Initial  Tranche B Amount  Remaining
Date on Which Payment is Due:                            Outstanding and Unpaid after Payment:
- -------------------------------------------------------- --------------------------------------------------------
<S>                                                      <C>
April 30, 2001                                           75%
- -------------------------------------------------------- --------------------------------------------------------
July 31, 2001                                            50%
- -------------------------------------------------------- --------------------------------------------------------
October 31, 2001                                         25%
- -------------------------------------------------------- --------------------------------------------------------
Stated Maturity Date for Tranche B Loan                  0%
- -------------------------------------------------------- --------------------------------------------------------
</TABLE>

         and

               (f) shall, immediately upon any acceleration of the Loans
          pursuant to SECTION 9.2 or SECTION 9.3, repay all Loans, unless,
          pursuant to SECTION 9.3, only a portion of all Loans is so
          accelerated.

Each payment or prepayment of any Loans made pursuant to this Section shall be
without premium or penalty, except as may be required by SECTION 4.4, and shall
be applicable, to the extent of such prepayment, in the inverse order of
maturity. No voluntary prepayment of principal of any Loans or any prepayment
pursuant to the preceding CLAUSE (c) shall cause a reduction in any Commitment
Amount.

         SECTION 3.1.2. BORROWING BASE DEFICIENCIES, COLLATERAL VALUE
DEFICIENCIES AND ASSET SALES.

                  (a) Upon the occurrence of a Borrowing Base Deficiency and/or
         a Collateral Value Deficiency, the Lender may notify the Borrower of
         such Borrowing Base Deficiency and/or such Collateral Value Deficiency,
         as


                                      37

<PAGE>

         applicable. Within ten (10) days from and after the Borrowing Base
         Deficiency Notification Date and/or such Collateral Value Deficiency
         Notification Date, as applicable, the Borrower shall notify the Lender
         that it shall take one of the following actions:

                           (i) execute and deliver to the Lender supplemental or
                  additional Security Documents, in form and substance
                  reasonably satisfactory to the Lender and its counsel,
                  securing payment of the Notes and the other Obligations and
                  covering other Properties of the Borrower or its Subsidiaries,
                  including additional Oil and Gas Properties directly owned by
                  the Borrower or one or more of the Borrower's Subsidiaries
                  which are not then covered by any Loan Document and which are
                  of a type and nature satisfactory to the Lender, and having a
                  value, in addition to other Oil and Gas Properties already
                  subject to a Mortgage, sufficient to eliminate the Borrowing
                  Base Deficiency and the Collateral Value Deficiency, as
                  applicable, all as more particularly described in SECTION
                  8.1.7(a) and (b); or

                           (ii) make a payment with respect to the Obligations,
                  (which shall be applied (or held for application, as the case
                  may be) by the Lender to the payment of the aggregate unpaid
                  principal amount of those Loans then outstanding and then to
                  the payment of the then Letter of Credit Outstandings) in an
                  aggregate principal amount sufficient to eliminate such
                  Borrowing Base Deficiency and Collateral Value Deficiency, as
                  applicable, within sixty (60) days after the Borrowing Base
                  Deficiency Notification Date or Collateral Value Deficiency
                  Notification Date, as applicable (and the Borrower shall make
                  such payment within such 60-day period).

         If the Borrower shall elect to execute and deliver (or cause one or
         more of the Borrower's Subsidiaries to execute and deliver)
         supplemental or additional Security Documents to the Lender pursuant to
         CLAUSE (i), it shall provide the Lender with descriptions of the
         additional assets to be collaterally assigned (together with current
         valuations, Engineering Reports, Security Documents described in CLAUSE
         (i) and title evidence applicable thereto and other documents including
         opinions of counsel, each of which shall be in form and substance
         reasonably satisfactory to the Lender) within sixty (60) days after the
         Borrowing Base Deficiency Notification Date or Collateral Value
         Deficiency Notification Date, as applicable. Such supplemental or
         additional Security Documents shall be subject to the terms of SECTION
         8.1.7. If the Borrower fails to take any of the actions described in
         CLAUSES (i) or (ii) above within such ten (10) day period, then without
         any necessity for notice to the Borrower or any other person, the
         Borrower shall become obligated immediately to pay Obligations in an
         aggregate


                                      38

<PAGE>


         principal amount equal to the applicable Borrowing Base Deficiency
         and/or Collateral Value Deficiency.

                  (b) If the Borrower or any Subsidiary sells, transfers or
         otherwise disposes of Borrowing Base Properties that have been given a
         value in the most recent determination of the Borrowing Base in the
         aggregate for the Borrower and such Subsidiaries in excess of $250,000
         during the period from the effective date of the most recent Borrowing
         Base Redetermination until the effective date of the next Borrowing
         Base Redetermination, the Borrowing Base and the Collateral Value shall
         be immediately reduced, until the effective date of the next Borrowing
         Base Redetermination and Collateral Value Redetermination, by an amount
         as reasonably determined by the Lender, or if the value of the
         applicable Oil and Gas Properties cannot be readily determined by the
         Lender, by the entire amount of the net sales proceeds realized from
         the sale, transfer or other disposition of such assets.

         If such reduction shall result in a Borrowing Base Deficiency and/or
         Collateral Value Deficiency, then in lieu of the provisions of CLAUSE
         (a) of SECTION 3.1.2, the Borrower shall immediately make a payment
         with respect to the Obligations in an amount equal to the greater of
         such Borrowing Base Deficiency or such Collateral Value Deficiency. In
         addition to and cumulative of the foregoing , if a Borrowing Base
         Deficiency and/or Collateral Value Deficiency exists prior to such
         sale, transfer or other disposition of assets, then in lieu of the
         provisions of CLAUSE (a) of SECTION 3.1.2, the Borrower shall, with the
         written consent of the Lender, immediately make a payment with respect
         to the Obligations (which shall be applied (or held for application, as
         the case may be) by the Lender first to the payment of the aggregate
         unpaid principal amount of those Loans then outstanding, and then to
         the payment of the then Letter of Credit Outstandings) in an aggregate
         principal amount equal to the lesser of (i) the greater of the amount
         of the Collateral Value Deficiency or the amount of the Borrowing Base
         Deficiency (after giving effect to the applicable sale, transfer or
         other disposition) or (ii) 100% of the net sales proceeds realized from
         the applicable sale, transfer or other disposition.

                  (c) In addition, if the Borrower or any of its Subsidiaries
         raises capital through the issuance of any type of common, preferred or
         other equity or issues any subordinated debt or senior unsecured debt,
         the proceeds of such issuance will first be applied to cure any
         Borrowing Base Deficiency and/or Collateral Value Deficiency

         SECTION 3.2. INTEREST PROVISIONS. Interest on the outstanding principal
amount of Loans shall accrue and be payable in accordance with this SECTION 3.2.

                                       39

<PAGE>


         SECTION 3.2.1. RATE. Pursuant to an appropriately delivered Borrowing
Request or Continuation/Conversion Notice, the Borrower may elect that Loans
accrue interest at a rate per annum:

                  (a) on that portion maintained from time to time as a Base
         Rate Loan, equal to the Alternate Reference Rate plus the Applicable
         Margin from time to time in effect; and

                  (b) on that portion maintained as a LIBO Rate Loan, during
         each Interest Period applicable thereto, equal to the sum of the LIBO
         Rate (Reserve Adjusted) for such Interest Period plus the Applicable
         Margin.

All LIBO Rate Loans shall bear interest from and including the first day of the
applicable Interest Period to (but not including) the last day of such Interest
Period at the interest rate determined as applicable to such LIBO Rate Loan.

         SECTION 3.2.2. POST-MATURITY RATES. After (w) the date any principal
amount of any Loan shall have become due and payable (whether on the Stated
Maturity Date, upon acceleration or otherwise), (x) the date any other monetary
Obligation of the Borrower shall have become due and payable, (y) the date any
other Event of Default shall have occurred (and so long as such Event of Default
shall be continuing), and (z) the date that is sixty (60) days after a Borrowing
Base Deficiency Notification Date or after a Collateral Value Deficiency
Notification Date, if the applicable Borrowing Base Deficiency or Collateral
Value Deficiency, as applicable, has not been cured, the Borrower shall pay, but
only to the extent permitted by Applicable Law, interest (after as well as
before judgment) on all Obligations at a rate per annum equal to

                  (a) with respect to LIBO Rate Loans, the higher of the sum
         of the LIBO Rate (Reserve Adjusted) for such Interest Period plus the
         Applicable Margin plus a margin of 3%, or the sum of the Alternate
         Reference Rate plus the Applicable Margin plus a margin of 3%; or

                  (b) in all other cases, the sum of the Alternate Reference
         Rate plus the Applicable Margin plus a margin of 3%.

         SECTION 3.2.3. PAYMENT DATES. Interest accrued on each Loan shall be
payable, without duplication:

                  (a)      on the Stated Maturity Date;

                  (b) on the date of any optional or required payment or
         prepayment, in whole or in part, of principal outstanding on such Loan
         and on that portion of such Loan so paid or prepaid;

                                       40

<PAGE>


                  (c) with respect to Base Rate Loans, on each Quarterly Payment
         Date occurring after the Effective Date and on each date on which a
         Base Rate Loan is converted into a LIBO Rate Loan;

                  (d) with respect to LIBO Rate Loans, on the last day of each
         applicable Interest Period and, if such Interest Period shall exceed
         three months, on the ninetieth (90th) day of such Interest Period and
         on each date on which a LIBO Rate Loan is converted into a Base Rate
         Loan; and

                  (e) on that portion of any Loans which is accelerated pursuant
         to SECTION 9.2 or SECTION 9.3, immediately upon such acceleration.

Interest accrued on Loans or other monetary Obligations arising under this
Agreement or any other Loan Document after the date such amount shall have
become due and payable (whether on the Stated Maturity Date, upon acceleration
or otherwise) shall be payable upon demand.

         SECTION 3.2.4. MAXIMUM INTEREST. It is the intention of the parties
hereto to conform strictly to applicable usury laws and, anything herein to the
contrary notwithstanding, the Obligations of the Borrower to the Lender under
this Agreement shall be subject to the limitation that payments of interest
shall not be required to the extent that receipt thereof would be contrary to
provisions of Applicable Law limiting rates of interest which may be charged or
collected by the Lender. Accordingly, if the transactions contemplated hereby
would be usurious under Applicable Law with respect to the Lender then, in that
event, notwithstanding anything to the contrary in this Agreement, it is agreed
as follows:

                  (a) the provisions of this SECTION 3.2.4 shall govern and
         control;

                  (a) the aggregate of all consideration which constitutes
         interest under Applicable Law that is contracted for, charged or
         received under this Agreement, or under any of the other aforesaid
         agreements or otherwise in connection with this Agreement by the Lender
         shall under no circumstances exceed the maximum amount of interest
         allowed by Applicable Law (such maximum lawful interest rate, if any,
         with respect to the Lender herein called the "HIGHEST LAWFUL RATE"),
         and any excess shall be credited to the Borrower by the Lender (or, if
         such consideration shall have been paid in full, such excess refunded
         to the Borrower);

                  (c) all sums paid, or agreed to be paid, to the Lender for the
         use, forbearance and detention of the indebtedness of the Borrower to
         the Lender hereunder shall, to the extent permitted by Applicable Law,
         be amortized,


                                      41

<PAGE>


         prorated, allocated and spread throughout the full term of such
         indebtedness until payment in full so that the actual rate of interest
         is uniform throughout the full term thereof; and

                  (d) if at any time the interest provided pursuant to SECTIONS
         3.2.1 and 3.2.2 together with any other fees payable pursuant to this
         Agreement and deemed interest under Applicable Law, exceeds that amount
         which would have accrued at the Highest Lawful Rate, the amount of
         interest and any such fees to accrue to the Lender pursuant to this
         Agreement shall be limited, notwithstanding anything to the contrary in
         this Agreement, to that amount which would have accrued at the Highest
         Lawful Rate, but any subsequent reductions, as applicable, shall not
         reduce the interest to accrue to such Lender pursuant to this Agreement
         below the Highest Lawful Rate until the total amount of interest
         accrued pursuant to this Agreement and such fees deemed to be interest
         equals the amount of interest which would have accrued to such Lender
         if a varying rate per annum equal to the interest provided pursuant to
         SECTIONS 3.2.1 and 3.2.2 had at all times been in effect, PLUS the
         amount of fees which would have been received but for the effect of
         this SECTION 3.2.4.

         SECTION 3.3. FEES. The Borrower agrees to pay the fees set forth in
this SECTION 3.3. All such fees shall be non-refundable.

         SECTION 3.3.1. CONFIDENTIAL FEE LETTER. The Borrower agrees to pay to
the Lender the Structuring Fee, the Closing Fee and the Engineering Fee as
provided in the Confidential Fee Letter.

         SECTION 3.3.2. UNUSED FEE. The Borrower agrees to pay to the Lender,
for the period (including any portion thereof when any of the Commitments are
suspended by reason of the Borrower's inability to satisfy any condition of
ARTICLE V) commencing on the Effective Date, and continuing through the final
Commitment Termination Date, an unused fee at the rate of one-half of one
percent (0.5%) per annum on the average daily Commitment Availability. Such fees
shall be based on a year comprised of three-hundred and sixty (360) days and
shall be payable by the Borrower in arrears on each Quarterly Payment Date,
commencing with the first such day following the Effective Date, and on each
Commitment Termination Date.

         SECTION 3.3.3. LETTER OF CREDIT STATED AMOUNT FEE. The Borrower agrees
to pay to the Issuer a fee for each Letter of Credit for the period from and
including the date of the issuance of such Letter of Credit to (but not
including) the date upon which such Letter of Credit expires, at a rate per
annum equal to two percent (2%) of the Stated Amount of such Letter of Credit,
based on a year comprised of three-hundred and sixty (360) days. A prorated
portion of such fee shall be payable by the Borrower in arrears on each
Quarterly Payment Date, and on the earlier of the Tranche A


                                       42

<PAGE>

Availability Termination Date or the Tranche A Commitment Termination Date
for any period then ending for which such fee shall not theretofore have been
paid, commencing on the first such date after the issuance of such Letter of
Credit.

         SECTION 3.3.4. LETTER OF CREDIT ISSUANCE FEE. The Borrower agrees to
pay to the Issuer an issuance fee for each Letter of Credit issued by the Issuer
equal to the greater of (x) 0.25% of the Stated Amount of such Letter of Credit
or (y) $500. Such fee shall be payable by the Borrower on the date of issuance
of such Letter of Credit.

         SECTION 3.3.5. LETTER OF CREDIT ADMINISTRATIVE FEES. The Borrower
agrees to pay to the Lender the amounts described in SECTION 4.3.

         SECTION 3.4. PROCEEDS ACCOUNT. The Security Documents contain an
assignment to the Lender by the Borrower and its Subsidiaries, as applicable, of
all production of Hydrocarbons and all proceeds attributable thereto properly
allocable to the Mortgaged Properties. Notwithstanding such assignment of
production, the Borrower may, until the Lender shall give notice to the
contrary, receive such proceeds. Thereafter, all such proceeds from the sale of
such production shall be paid directly into an account of the Borrower
maintained with the Lender (the "PROCEEDS ACCOUNT"). The Borrower hereby grants
to the Lender, subject to the prior assignment in favor of the Lender of such
production and its proceeds, a security interest in the Proceeds Account and all
proceeds thereof.

         SECTION 3.5. OVERRIDING ROYALTY INTEREST AND WARRANTS; ASSIGNMENT AND
WARRANTS ARE NOT COLLATERAL SECURITY.

                  (a) In addition to interest paid on the Loans, the Borrower
         and its Subsidiaries, as applicable, shall assign and convey to the
         Lender's designee ("DESIGNEE"), as additional consideration payable to
         the Lender to be retained in perpetuity and not as additional
         collateral security, an overriding royalty interest in the Borrower's
         and each of Borrower's Subsidiaries' Hydrocarbon Interests comprising
         all Oil and Gas Properties of the Borrower and its Subsidiaries on
         which a well is logged prior to the earlier of (X) the Stated Maturity
         Date applicable to the Tranche B Loan and (Y) in the event that the
         Tranche B Loan is indefeasibly repaid in full prior to the Tranche A
         Availability Termination Date, the Tranche A Availability Termination
         Date; PROVIDED, HOWEVER, that Designee shall not receive an overriding
         royalty interest in respect of any well which is not completed for
         production and never produces Hydrocarbons, and FURTHER PROVIDED that,
         with respect to the Raymondville Project in Willacy County, Texas (more
         particularly described in SCHEDULE VIII hereto), Designee shall not
         receive an overriding royalty interest if and to the extent that,
         within ninety (90) days after the Effective Date, the Borrower has sold
         its interest therein. Such overriding royalty interest shall be
         conveyed by the Assignment. In addition to the


                                       43


<PAGE>


         representations and warranties given in the Assignment, the Borrower
         hereby represents and warrants that the overriding royalty interest
         conveyed by the Assignment is free and clear of any mortgages, deeds
         of trust, voluntary or contractual Liens, pledges, security
         interests, charges, conditional sales or other title retention
         documents, or other encumbrances or burdens other than those in
         favor of the Lender, and as expressly set forth in the Assignment.

                  (b) If all Tranche B Loans are paid in full and the Tranche B
         Commitment is terminated after the Tranche A Availability Termination
         Date, but before April 30, 2002, then the Borrower may purchase the
         overriding royalty interest conveyed by the Assignment pursuant to the
         terms and conditions set forth in that certain Agreement Concerning
         Overriding Royalty Interests of even date herewith among the Borrower,
         the Lender and the Designee.

                  (c) Although various transactions between the Borrower and
         LaSalle Street Natural Resources Corporation may take place at or
         before the Effective Date, the overriding royalty interest described in
         the foregoing SUBSECTIONS (a) AND (b) shall not affect in any way the
         overriding royalty interests previously acquired by LaSalle Street
         Natural Resources Corporation or Duke pursuant to the agreements
         evidencing and related to the Existing Secured Debt, or any such
         overriding royalty interests that Duke may be entitled to receive after
         the Effective Date.

                  (d) In addition to interest paid on the Loans, the Borrower
         shall issue to the Designee, as additional consideration payable to the
         Lender to be retained in perpetuity and not as additional collateral
         security, the rights and interests granted in the Warrant Documents.

                                   ARTICLE IV

                                LETTERS OF CREDIT

         SECTION 4.1. ISSUANCE REQUESTS. By delivering to the Issuer an Issuance
Request on or before 12:00 noon (New York time), the Borrower may request, from
time to time prior to the earlier to occur of (x) the Tranche A Availability
Termination Date and (y) the Tranche A Commitment Termination Date, and on not
less than three (3) nor more than ten (10) Business Days' notice, that the
Issuer issue an irrevocable standby letter of credit in substantially the form
of EXHIBIT N hereto, or in such other form as may be mutually agreed by the
Borrower and the Issuer (each a "LETTER OF CREDIT"), in support of financial
obligations of the Borrower incurred in the Borrower's ordinary course of
business and which are described in such Issuance Request. Each Letter of Credit
shall by its terms:


                                       44
<PAGE>

                  (a)      be issued in a Stated Amount which

                           (i)   is at least $50,000;

                           (ii)  does not exceed (or would not exceed) the then
                  Letter of Credit Availability;

                  (b)      be stated to expire on a date (its "STATED EXPIRY
         DATE") no later than the earlier of one (1) year after its date of
         issuance, or (ii) one (1) year after the Tranche A Availability
         Termination Date; and

                  (c)      on or prior to its Stated Expiry Date

                           (ii)  terminate immediately upon notice to the Issuer
                  from the beneficiary thereunder that all obligations covered
                  thereby have been terminated, paid, or otherwise satisfied in
                  full,

                           (iii) reduce in part immediately and to the extent
                  the beneficiary thereunder has notified the Issuer that the
                  obligations covered thereby have been paid or otherwise
                  satisfied in part, or

                           (iv) terminate thirty (30) Business Days after notice
                  to the beneficiary thereunder from the Lender that an Event of
                  Default has occurred and is continuing.

So long as the conditions set forth in SECTION 6.3 have been satisfied, by
delivery to the Issuer of an Issuance Request at least three (3) but not more
than ten (10) Business Days prior to the Stated Expiry Date of any Letter of
Credit, the Borrower may request the Issuer to extend the Stated Expiry Date of
such Letter of Credit for an additional period not to exceed the earlier of one
(1) year from its date of extension or the Commitment Termination Date.

         SECTION 4.2. ISSUANCES AND EXTENSIONS. On the terms and subject to the
conditions of this Agreement (including ARTICLE VI), the Issuer shall issue
Letters of Credit, and extend the Stated Expiry Dates of outstanding Letters of
Credit, in accordance with the Issuance Requests made therefor. The Issuer will
make available the original of each Letter of Credit which it issues in
accordance with the Issuance Request therefor to the beneficiary thereof and
will notify the beneficiary under any Letter of Credit of any extension of the
Stated Expiry Date thereof. Upon the expiration of any Letter of Credit, the
Borrower may re-use any portion of the Letter of Credit Availability for the
issuance of new Letters of Credit prior to Commitment Termination Date.


                                       45

<PAGE>

         The Issuer is under no obligation to issue any Letter of Credit if:

                  (i)   any order, judgment or decree of any Government Agency
         or arbitrator shall by its terms purport to enjoin or restrain the
         Issuer from issuing such Letter of Credit, or any requirement of

         Applicable Law or any request or directive (whether or not having
         the force of law) from any Government Agency with jurisdiction over
         the Issuer shall prohibit, or request that the Issuer refrain from,
         the issuance of letters of credit generally or such Letter of Credit
         in particular or shall impose upon the Issuer with respect to such
         Letter of Credit any restriction, reserve or capital requirement
         (for which the Issuer is not otherwise compensated hereunder) not in
         effect on the Effective Date, or shall impose upon the Issuer any
         unreimbursed loss, cost or expense which was not applicable on the
         Effective Date and which the Issuer in good faith deems material to
         it;

                  (ii)  one or more of the applicable conditions contained in
         ARTICLE VI is not then satisfied;

                  (iii) the expiry date of any requested Letter of Credit is
         prior to the maturity date of any financial obligation to be supported
         by the requested Letter of Credit;

                  (iv)  any requested Letter of Credit does not provide for
         drafts, or is not otherwise in form and substance acceptable to the
         Issuer, or the issuance of a Letter of Credit shall violate any
         applicable policies of the Issuer;

                  (v)   any standby Letter of Credit is for the purpose of
         supporting the issuance of any letter of credit by any other Person; or

                  (vi)  such Letter of Credit is in a face amount denominated in
         a currency other than Dollars.

The Uniform Customs and Practice for Documentary Credits most recently published
by the International Chamber of Commerce at the time of issuance of any Letter
of Credit shall (unless otherwise expressly provided in the Letters of Credit)
apply to the Letters of Credit.

         SECTION 4.3. EXPENSES. The Borrower agrees to pay to the Issuer all
reasonable administrative expenses of the Issuer in connection with the
issuance, maintenance, modification (if any) and administration of each Letter
of Credit issued by the Issuer upon demand from time to time.


                                       46

<PAGE>

         SECTION 4.4. DISBURSEMENTS. The Issuer will notify the Borrower
promptly of the presentment for payment of any Letter of Credit, together with
notice of the date (the "DISBURSEMENT DATE") such payment shall be made. Subject
to the terms and provisions of such Letter of Credit, the Issuer shall make such
payment to the beneficiary (or its designee) of such Letter of Credit. In paying
any drawing under a Letter of Credit, the Issuer shall not have any
responsibility to obtain any document (other than to obtain and review any sight
draft and certificates expressly required by the Letter of Credit) or to
ascertain or inquire as to the validity or accuracy of any such document or the
authority of the Person executing or delivering any such document. Prior to
12:00 noon (New York time) on the Disbursement Date, the Borrower will reimburse
the Issuer for all amounts which it has disbursed under the Letter of Credit. To
the extent the Issuer is not reimbursed in full in accordance with the preceding
sentence, the Borrower's Reimbursement Obligation shall accrue interest at a
fluctuating rate equal to the lesser of (i) the Highest Lawful Rate or (ii) the
Alternate Reference Rate, plus the Applicable Margin, plus a margin of 3% per
annum, payable on demand. In the event the Issuer is not reimbursed by the
Borrower on the Disbursement Date, or if the Issuer must for any reason return
or disgorge such reimbursement, the Lender shall, on the terms and subject to
the conditions of this Agreement, fund the Reimbursement Obligation therefor by
making, on the next Business Day, Loans as provided in SECTION 2.1.1 (the
Borrower being deemed to have given a timely Borrowing Request therefor for such
amount); PROVIDED, HOWEVER, for the purpose of determining the availability of
the Commitments to make Loans immediately prior to giving effect to the
application of the proceeds of such Loans, such Reimbursement Obligation shall
be deemed not to be outstanding at such time.

         SECTION 4.5. REIMBURSEMENT. The Borrower's obligation (a "REIMBURSEMENT
OBLIGATION") under SECTION 4.4 to reimburse the Issuer with respect to each
Disbursement (including interest thereon) shall be absolute and unconditional
under any and all circumstances and irrespective of any setoff, counterclaim, or
defense to payment which the Borrower may have or have had against the Lender,
the Issuer or any beneficiary of a Letter of Credit, including any defense based
upon the occurrence of any Default, any draft, demand or certificate or other
document presented under a Letter of Credit proving to be forged, fraudulent,
invalid or insufficient, the failure of any Disbursement to conform to the terms
of the applicable Letter of Credit (if, in the Issuer's good faith opinion, such
Disbursement is determined to be appropriate) or any non-application or
misapplication by the beneficiary of the proceeds of such Disbursement, or the
legality, validity, form, regularity, or enforceability of such Letter of
Credit; PROVIDED, HOWEVER, that nothing herein shall adversely affect the right
of the Borrower to commence any proceeding against the Issuer for any wrongful
Disbursement made by the Issuer under a Letter of Credit as a result of acts or
omissions constituting gross negligence or willful misconduct on the part of the
Issuer.


                                       47

<PAGE>

         SECTION 4.6. DEEMED DISBURSEMENTS. Upon the occurrence and during the
continuation of any Event of Default or the occurrence of the Commitment
Termination Date, an amount equal to that portion of Letter of Credit
Outstandings attributable to outstanding and undrawn Letters of Credit shall, at
the election of the Lender, and without demand upon or notice to the Borrower,
be deemed to have been paid or disbursed by the Lender under such Letters of
Credit (notwithstanding that such amount may not in fact have been so paid or
disbursed), and, upon notification by the Lender to the Borrower of its
obligations under this Section, the Borrower shall be immediately obligated to
reimburse the Lender the amount deemed to have been so paid or disbursed by the
Lender. Any amounts so received by the Lender from the Borrower pursuant to this
Section shall be held as collateral security for the repayment of the Borrower's
obligations in connection with the Letters of Credit issued by the applicable
Issuer. At any time when such Letters of Credit shall terminate and all
Obligations to the Lender are either terminated or paid or reimbursed to the
Lender in full, the Obligations of the Borrower under this Section shall be
reduced accordingly (subject, however, to reinstatement in the event any payment
in respect of such Letters of Credit is recovered in any manner from the Lender
or the Issuer), and the Lender will return to the Borrower the excess, if any,
of

               (a) the aggregate amount deposited by the Borrower with the
          Lender and not theretofore applied by the Lender to any Reimbursement
          Obligation

OVER

               (b) the aggregate amount of all Reimbursement Obligations to the
          Lender pursuant to this Section, as so adjusted.

At such time when all Events of Default shall have been cured or waived, the
Lender shall return to the Borrower all amounts then on deposit with the Lender
pursuant to this Section. All amounts on deposit pursuant to this Section shall,
until their application to any Reimbursement Obligation or their return to the
Borrower, as the case may be, bear interest for the Borrower's account at the
daily average Federal Funds Rate from time to time in effect (net of the costs
of any reserve requirements, in respect of amounts on deposit pursuant to this
Section, pursuant to F.R.S. Board Regulation D), which interest shall be held by
the Lender as additional collateral security for the repayment of the Borrower's
Obligations in connection with the Letters of Credit issued by the Lender.

         SECTION 4.7. NATURE OF REIMBURSEMENT OBLIGATIONS. The Borrower shall
assume all risks of the acts, omissions, or misuse of any Letter of Credit by
the beneficiary thereof. Neither the Lender nor any Issuer (except to the extent
of its own gross negligence or willful misconduct) shall be responsible for:


                                       48

<PAGE>

                  (a) the form, validity, sufficiency, accuracy, genuineness, or
         legal effect of any Letter of Credit or any document submitted by any
         party in connection with the application for and issuance of a Letter
         of Credit, even if it should in fact prove to be in any or all respects
         invalid, insufficient, inaccurate, fraudulent, or forged;

                   (b) the form, validity, sufficiency, accuracy, genuineness,
         or legal effect of any instrument transferring or assigning or
         purporting to transfer or assign a Letter of Credit or the rights or
         benefits thereunder or proceeds thereof in whole or in part, which may
         prove to be invalid or ineffective for any reason;

                  (c) failure of the beneficiary to comply fully with conditions
         required in order to demand payment under a Letter of Credit;

                  (d) errors, omissions, interruptions, or delays in
         transmission or delivery of any messages, by mail, cable, telegraph,
         telex, facsimile or otherwise;

                  (e) any loss or delay in the transmission or otherwise of any
         document or draft required in order to make a Disbursement under a
         Letter of Credit or of the proceeds thereof;

                  (f) any change in the time, manner or place of payment of, or
         in any other term of, all or any of the obligations of the Borrower in
         respect of any Letter of Credit;

                  (g) the existence of any claim, set-off, defense or other
         right that the Borrower may have at any time against any beneficiary or
         any transferee of any Letter of Credit (or any Person for whom any such
         beneficiary or any such transferee may be acting), the Issuer (if other
         than the Lender or its Affiliates) or any other Person, whether in
         connection with this Agreement, the transactions contemplated hereby or
         by the Letters of Credit or any unrelated transaction;

                  (h) any payment by an Issuer under any Letter of Credit
         against presentation of a draft or certificate that does not strictly
         comply with the terms of any Letter of Credit; or any payment made by
         an Issuer under any Letter of Credit to any Person purporting to be a
         trustee in bankruptcy, debtor-in-possession, assignee for the benefit
         of creditors, liquidator, receiver or other representative of or
         successor to any beneficiary or any transferee of any Letter of Credit,
         including any arising in connection with any insolvency proceeding; or

                  (i) any other circumstance or happening whatsoever, whether or
         not similar to any of the foregoing, including any other circumstance
         that might


                                       49

<PAGE>

         otherwise constitute a defense available to, or a discharge of, the
         Borrower or a guarantor.

None of the foregoing shall affect, impair, or prevent the vesting of any of the
rights or powers granted the Lender or the Issuer hereunder. In furtherance and
extension, and not in limitation or derogation, of any of the foregoing, any
action taken or omitted to be taken by the Lender or the Issuer in good faith
and not constituting gross negligence or willful misconduct shall be binding
upon the Borrower and shall not put the Lender or the Issuer under any resulting
liability to the Borrower.

         SECTION 4.8. INCREASED COSTS; INDEMNITY. If by reason of

                  (a) any change in Applicable Law after the Effective Date or
         any change in the interpretation or application by any judicial or
         regulatory authority of any Applicable Law, or

                  (b) compliance by the Lender with any direction, request or
        requirement (whether or not having the force of law) of any Government
        Agency, including Regulation D of the F.R.S. Board:

                           (i)   the Lender shall be subject to any tax (other
                  than taxes on net income and franchises), levy, charge or
                  withholding of any nature or to any variation thereof or to
                  any penalty with respect to the maintenance or fulfillment of
                  its obligations under this ARTICLE IV, whether directly or by
                  such being imposed on or suffered by the Lender;

                           (ii)  any reserve, deposit or similar requirement is
                  or shall be applicable, increased, imposed or modified in
                  respect of any Letters of Credit issued by an Issuer; or

                           (iii) there shall be imposed on the Lender any other
                  condition regarding this ARTICLE IV or any Letter of Credit,

and the result of the foregoing is directly or indirectly to increase the cost
to the Lender or the Issuer of issuing or maintaining any Letter of Credit or to
reduce any amount receivable in respect thereof by the Lender or the Issuer,
then and in any such case the Issuer or the Lender may, at any time after the
additional cost is incurred or the amount received is reduced, notify the
Borrower thereof, and the Borrower shall pay on demand such amounts as the
Lender or the Issuer may specify to be necessary to compensate the Lender or the
Issuer for such additional cost or reduced receipt, together with interest on
such amount from the date demanded until payment in full thereof at a rate equal
at all times to the Alternate Reference Rate plus the Applicable Margin plus
three percent (3%) per annum. The determination by the Lender or the Issuer, as
the case


                                       50

<PAGE>

may be, of any amount due pursuant to this Section, as set forth in a
statement setting forth the calculation thereof in reasonable detail shall,
in the absence of manifest error, be final and conclusive and binding on all
of the parties hereto.

                  (c) In addition to amounts payable as elsewhere provided in
         this ARTICLE IV, the Borrower hereby indemnifies, exonerates and holds
         the Lender and each Issuer harmless from and against any and all
         actions, causes of action, suits, losses, costs, liabilities and
         damages, and expenses incurred in connection therewith (irrespective of
         whether the Lender or the Issuer is a party to the action for which
         indemnification is sought), including reasonable attorneys' fees and
         disbursements, which the Lender or the Issuer may incur or be subject
         to as a consequence, direct or indirect, of

                           (i)  the issuance of the Letters of Credit, other
                  than as a result of the gross negligence or wilful misconduct
                  of the Issuer as determined by a court of competent
                  jurisdiction, or

                           (ii) the failure of the Issuer to honor a drawing
                  under any Letter of Credit as a result of any act or omission,
                  whether rightful or wrongful, of any present or future de jure
                  or de facto Government Agency.

                                   ARTICLE V

                  CERTAIN INTEREST RATE AND OTHER PROVISIONS

         SECTION 5.1. LIBO RATE LENDING UNLAWFUL. If the Lender shall determine
(which determination shall, upon notice thereof to the Borrower, be conclusive
and binding on the Borrower) that the introduction of or any change in or in the
interpretation of any law makes it unlawful, or any central bank or other
governmental authority asserts that it is unlawful, for the Lender to make,
continue or maintain any Loan as, or to convert any Loan into, a LIBO Rate Loan,
the obligation of the Lender to make, continue, maintain or convert into any
such LIBO Rate Loans shall, upon such determination, forthwith be suspended
until the Lender shall notify the Borrower that the circumstances causing such
suspension no longer exist, and all LIBO Rate Loans shall automatically convert
into Base Rate Loans at the end of the then current Interest Periods with
respect thereto or sooner, if required by such law or assertion.

         SECTION 5.2. DEPOSITS UNAVAILABLE. If the Lender shall have determined
that Dollar deposits in the relevant amount are not available to the Lender in
its relevant market, then, upon notice from the Lender to the Borrower, the
obligations of the Lender under SECTION 2.3 to make any Loans shall forthwith be
suspended until the Lender


                                       51

<PAGE>

shall notify the Borrower that the circumstances causing such suspension no
longer exist.

         SECTION 5.3. INCREASED LOAN COSTS, ETC. If by reason of

                  (a) any change in Applicable Law after the Effective Date or
         any change in the interpretation or application by any judicial or
         regulatory authority of any Applicable Law, or

                  (b) compliance by the Lender with any direction, request or
         requirement (whether or not having the force of Governmental Agency,
         including Regulation D of the F.R.S. Board:

                           (i)   the Lender shall be subject to any tax (other
                  than taxes on net income and franchises), levy, charge or
                  withholding of any nature or to any variation thereof or to
                  any penalty with respect to any payment due under any LIBO
                  Rate Loan or other amounts due under this Agreement, whether
                  directly or by such being imposed on or suffered by the
                  Lender;

                           (ii)  any reserve, deposit or similar requirement is
                  or shall be applicable, increased, imposed or modified in
                  respect of Letters of Credit issued by an Issuer or any other
                  extensions of credit or other assets of, or any deposits with
                  or other liabilities of, the Lender or Loans made by the
                  Lender, or against any other funds, obligations or other
                  property owned or held by the Lender and the Lender actually
                  incurs such additional costs; or

                           (iii) there shall be imposed on the Lender any other
                  condition affecting this Agreement (or any of such extensions
                  of credit or liabilities),

and the result of the foregoing is directly or indirectly to increase the cost
to the Lender of making, continuing or the Issuer of issuing or maintaining (or
of its obligation to make, continue or maintain) any Loans as, or of converting
(or of its obligation to convert) any Loans into, LIBO Rate Loans, any Letter of
Credit or to reduce any amount receivable in respect thereof by the Lender or
the Issuer, then and in any such case the Lender or the Issuer may, at any time
after the additional cost is incurred or the amount received is reduced, notify
the Borrower thereof, and the Borrower shall pay on demand such amounts as the
Lender or the Issuer may specify to be necessary to compensate the Lender or the
Issuer for such additional cost or reduced receipt, together with interest on
such amount from the date demanded until payment in full thereof at a rate equal
at all times to the Alternate Reference Rate plus the Applicable Margin plus
three percent (3%) per annum. The determination by the Lender or the Issuer, as
the case may be, of any amount due pursuant to this Section, as set forth in a
statement setting forth the


                                       52

<PAGE>

calculation thereof in reasonable detail, shall, in the absence of manifest
error, be final and conclusive and binding on all of the parties hereto.

         SECTION 5.4. FUNDING LOSSES. In the event the Lender shall incur any
loss or expense (including any loss or expense incurred by reason of the
liquidation or reemployment of deposits or other funds acquired by the Lender to
make, continue or maintain any portion of the principal amount of any Loan as,
or to convert any portion of the principal amount of any Loan into, a LIBO Rate
Loan) as a result of

                  (a) any conversion or repayment or prepayment of the principal
         amount of any LIBO Rate Loans on a date other than the scheduled last
         day of the Interest Period applicable thereto, whether pursuant to
         SECTION 3.1 or otherwise;

                  (b) any Loans not being made as LIBO Rate Loans in accordance
         with the Borrowing Request therefor by reason of any act or omission by
         the Borrower or failure of a condition precedent to be satisfied; or

                  (c) any Loans not being continued as, or converted into, LIBO
         Rate Loans in accordance with the Continuation/ Conversion Notice
         therefor by reason of any act or omission by the Borrower;

then, upon the written notice of the Lender to the Borrower, the Borrower shall,
within five (5) days of its receipt thereof, pay to the Lender such amount as
will (in the reasonable determination of the Lender) reimburse the Lender for
such loss or expense. Such written notice (which shall include calculations in
reasonable detail) shall, in the absence of manifest error, be conclusive and
binding on the Borrower.

         SECTION 5.5 INCREASED CAPITAL COSTS. If any change in, or the
introduction, adoption, effectiveness, interpretation, reinterpretation or
phase-in of, any Applicable Law of any Government Agency, affects or would
affect the amount of capital required or expected to be maintained by the Lender
or any Person controlling the Lender, and the Lender determines (in its sole and
absolute discretion) that the rate of return on its or such controlling Person's
capital as a consequence of its Commitments hereunder, issuance of Letters of
Credit or the Loans made by the Lender is reduced to a level below that which
the Lender or such controlling Person could have achieved but for the occurrence
of any such circumstance, then, in any such case upon notice from time to time
by the Lender to the Borrower, the Borrower shall immediately pay directly to
the Lender additional amounts sufficient to compensate the Lender or such
controlling Person for such reduction in rate of return. A statement of the
Lender as to any such additional amount or amounts (including calculations
thereof in reasonable detail) shall, in the absence of manifest error, be
conclusive and binding upon the Borrower. In


                                       53

<PAGE>

determining such amount, the Lender may use any method of averaging and
attribution that it (in its reasonable discretion) shall deem applicable.

         SECTION 5.6 TAXES. All payments by the Borrower of principal of, and
interest on, the Loans and all other amounts payable hereunder shall be made
free and clear of and without deduction for any present or future income,
excise, stamp or franchise taxes and other taxes, levies, assessments, imposts,
deductions, fees, duties, withholdings or other charges and all liabilities with
respect thereto of any nature whatsoever imposed by any taxing authority, but
excluding franchise taxes and taxes imposed on or measured by the Lender's net
income or receipts (such non-excluded items being called "TAXES"). In the event
that any withholding or deduction from any payment to be made by the Borrower
hereunder is required in respect of any Taxes pursuant to any Applicable Law
then (unless the Borrower already knows of such withholding or deduction, upon
notice thereof from the Lender) the Borrower will

               (a) pay directly to the relevant authority the full amount
          required to be so withheld or deducted;

               (b) promptly forward to the Lender an official receipt or other
          documentation satisfactory to the Lender evidencing such payment to
          such authority; and

               (c) pay to the Lender such additional amount or amounts as is
          necessary to ensure that the net amount actually received by the
          Lender will equal the full amount the Lender would have received and
          retained had no such withholding or deduction been required.

Moreover, if any Taxes are directly asserted against the Lender with respect to
any payment received by the Lender hereunder, the Lender may pay such Taxes and
the Borrower will promptly pay such additional amounts (including any penalties,
interest or expenses) as is necessary in order that the net amount received by
such person after the payment of such Taxes (including any Taxes on such
additional amount) shall equal the amount such person would have received had
not such Taxes been asserted.

         If the Borrower fails to pay any Taxes when due to the appropriate
taxing authority or fails to remit to the Lender the required receipts or other
required documentary evidence, the Borrower shall indemnify the Lender for any
incremental Taxes or other liability (including interest, expenses or penalties)
that may become payable by the Lender as a result of any such failure, whether
or not such Taxes or liabilities were correctly or legally asserted. Payment
under this indemnity shall be made within thirty (30) days after the date the
Lender makes written demand therefor.


                                       54

<PAGE>

         Upon the request of the Borrower, each Assignee Lender that is
organized under the laws of a jurisdiction other than the United States
shall, prior to the due date of any payment in respect of the Borrowings,
execute and deliver to the Borrower, on or about January 15 of each calendar
year, one or more (as the Borrower may reasonably request) United States
Internal Revenue Service Forms 4224 or Forms 1001 or such other forms or
documents (or successor forms or documents), appropriately completed, as may
be applicable to establish the extent, if any, to which a payment to such
Assignee Lender is exempt from withholding or deduction of Taxes.

         To the extent taxes are imposed against the overriding royalty
interest conveyed to the Designee, or the production attributable thereto,
the terms and provisions of the Assignment shall govern the payment of the
same.

         SECTION 5.7. PAYMENTS, COMPUTATIONS, ETC. Unless otherwise expressly
provided, all payments by the Borrower pursuant to this Agreement, the Note
or any other Loan Document shall be made by the Borrower without setoff,
deduction or counterclaim, not later than 11:00 a.m. (New York time) on the
date due, in U.S. Dollars in same day or immediately available funds, to such
account with the Lender in New York, New York as the Lender shall specify
from time to time by notice to the Borrower. Funds received after that time
shall be deemed to have been received by the Lender on the next succeeding
Business Day and any applicable interest or fee shall continue to accrue. All
interest shall be computed on the basis of the actual number of days
(including the first day but excluding the last day) occurring during the
period for which such interest is payable over a year comprised of 360 days
(or, in the case of interest on a Base Rate Loan (other than when calculated
with respect to the Federal Funds Rate), 365 days or, if appropriate, 366
days). Whenever any payment to be made shall otherwise be due on a day which
is not a Business Day, such payment shall (except as otherwise required by
CLAUSE (c) of the definition of the term "Interest Period" with respect to
LIBO Rate Loans) be made on the next succeeding Business Day and such
extension of time shall be included in computing interest and fees, if any,
in connection with such payment.

         SECTION 5.8. SETOFF. The Lender shall, upon the occurrence of any
Default described in CLAUSES (a) through (d) of SECTION 9.1.9 or upon the
occurrence of any other Event of Default, have the right to appropriate and
apply to the payment of the Obligations owing to it (whether or not then
due), and (as security for such Obligations) the Borrower hereby grants to
the Lender a continuing security interest in, any and all balances, credits,
deposits, accounts or moneys of the Borrower then or thereafter maintained
with or otherwise held by the Lender, including without limitation, the
Proceeds Account. The Lender agrees promptly to notify the Borrower after any
such setoff and application made by the Lender; PROVIDED, HOWEVER, that the
failure to give such notice shall not affect the validity of such setoff and
application. The rights of the


                                       55
<PAGE>

Lender under this SECTION 5.8 are in addition to other rights and remedies
(including other rights of setoff under Applicable Law or otherwise) which
the Lender may have.

         SECTION 5.9. USE OF PROCEEDS. The Borrower shall apply the proceeds
of each Borrowing in accordance with SECTION 2.7; without limiting the
foregoing, no proceeds of any Loan will be used to acquire any equity
security of a class which is registered pursuant to Section 12 of the
Securities Exchange Act of 1934 or any "margin stock", as defined in F.R.S.
Board Regulation U, X or G.

                                  ARTICLE VI

                              CONDITIONS PRECEDENT

         SECTION 6.1. INITIAL CREDIT EXTENSION. The obligation of the Lender
to make the initial Credit Extension shall be subject to the prior or
concurrent satisfaction of each of the conditions precedent set forth in this
SECTION 6.1.

         SECTION 6.1.1. RESOLUTIONS, ETC. The Lender shall have received from
the Borrower and each of Borrower's Subsidiaries a certificate, dated the
date of the initial Credit Extension, of the respective Secretary or
Assistant Secretary of each of the Borrower and the Borrower's Subsidiaries,
respectively, as to

               (a) resolutions of the respective Boards of Directors of the
          Borrower, or such Borrower's Subsidiary then in full force and effect
          authorizing the execution, delivery and performance of this Agreement,
          the Notes and each other Loan Document to be executed by it;

               (b) the incumbency and signatures of those of its officers or
          Persons authorized to act with respect to this Agreement, the Notes
          and each other Loan Document executed by it;

               (c) the Organic Documents of the Borrower or such Borrower's
          Subsidiary; and

               (d) evidence that each of the Borrower or such Borrower's
          Subsidiary in good standing under the laws of the jurisdiction of its
          respective organization and in each of the jurisdictions where the
          Mortgaged Properties, Borrowing Base Properties and Development
          Properties are located,

upon which certificates the Lender may conclusively rely until it shall have
received a further certificate of the Secretary of the Borrower canceling or
amending such prior certificate.


                                       56
<PAGE>

         SECTION 6.1.2. DELIVERY OF NOTES. The Lender shall have received the
Notes duly executed and delivered by the Borrower.

         SECTION 6.1.3. GUARANTIES. The Lender shall have received executed
counterparts of the Guaranties (or amendments and restatements of guaranties
previously delivered under the Existing Credit Documents), dated as of the
date hereof, duly executed by each of the Borrower's Subsidiaries.

         SECTION 6.1.4. PLEDGE AGREEMENTS. The Lender shall have received
executed counterparts of the Pledge Agreements (or amendments and
restatements of pledge agreements previously delivered under the Existing
Credit Documents), dated as of the date hereof, duly executed by the Borrower
pledging all of its interest in the capital stock of each of the Borrower's
Subsidiaries, in each case together with the certificates, evidencing all of
the issued and outstanding shares of capital stock pledged pursuant to the
Pledge Agreements, which certificates shall in each case be accompanied by
undated stock powers duly executed in blank, or, if any securities pledged
pursuant to the Pledge Agreements are uncertificated securities, confirmation
and evidence satisfactory to the Lender that the security interest in such
uncertificated securities has been transferred to and perfected by the Lender
in accordance with Section 8-313 and Section 8-321 of the Uniform Commercial
Code, as in effect in the State of Texas and/or New York, and, as applicable,
with the evidence of completion (or satisfactory arrangement for the
completion) of all filings and recordings of the Pledge Agreements as may be
necessary, or in the reasonable opinion of the Lender, desirable, effectively
to create a valid, perfected first priority lien against and security
interest in the collateral covered thereby.

         SECTION 6.1.5. SECURITY AGREEMENT. The Lender shall have received
executed counterparts of a Security Agreement (or amendments and restatements
of security agreements previously delivered under the Existing Credit
Documents), dated as of the date hereof, duly executed by the Borrower and
each of its Subsidiaries, as applicable, together with

                  (a) executed copies of Uniform Commercial Code financing
         statements (Form UCC-1), in proper form for filing, naming the Borrower
         (or its Subsidiary, as applicable) as the debtor and the Lender as the
         secured party, or other similar instruments or documents, filed under
         the Uniform Commercial Code of all jurisdictions as may be necessary
         or, in the opinion of the Lender, desirable to perfect the security
         interest of the Lender pursuant to such Security Agreement; and

                  (b) executed copies of proper Uniform Commercial Code Form
         UCC-3 termination statements, if any, necessary to release all Liens
         and other rights of any Person in any collateral described in such
         Security Agreement previously


                                       57
<PAGE>

         granted by any Person together with such other Uniform Commercial
         Code Form UCC-3 termination statements as the Lender may reasonably
         request from the Borrower.

         SECTION 6.1.6. CONSENTS, MORTGAGE CONSENTS AND APPROVALS. The Lender
shall have received true and correct copies, certified by the Borrower, of
(a) all Mortgage Consents and Consents required in connection with the
Properties to be encumbered by Mortgages delivered pursuant to SECTION 6.1.7
or the Security Agreements delivered pursuant to SECTION 6.1.5, respectively,
and (b) all Approvals that may be requested by the Lender.

         SECTION 6.1.7. MORTGAGE. The Lender shall have received counterparts
of a Mortgage (or amendments and restatements of mortgages previously
delivered under the Existing Credit Documents), relating to all of the
Hydrocarbon Interests and related Oil and Gas Properties of the Borrower and
its Subsidiaries that are included in the Lender's determination of the
initial Borrowing Base, dated as of a recent date, duly executed by the
Borrower and/or its Subsidiaries, as applicable, together with

                  (a) evidence of the completion (or satisfactory arrangements
         for the completion) of all recordings and filings of such Mortgage as
         may be necessary or, in the reasonable opinion of the Lender, desirable
         effectively to create a valid, perfected first priority Lien against
         the Properties purported to be covered thereby;

                  (b) favorable mortgagee's title opinions in favor of the
         Lender (in form and substance and issued by title counsel reasonably
         satisfactory to the Lender, substantially in the form of EXHIBIT I
         hereto), with respect to the Property purporting to be covered by the
         Mortgage setting forth the working interest and net revenue interest of
         the Borrower and/or its Subsidiaries in such Properties and opining
         that the Borrower's and/or its Subsidiaries' title to such property is
         good and marketable and valid and that the interests created by the
         Mortgage constitute valid first Liens thereon free and clear of all
         defects and encumbrances other than as approved by the Lender; and

                  (c) such other approvals, opinions, or documents as the Lender
         may reasonably request.

         SECTION 6.1.8. OPINIONS OF COUNSEL. The Lender shall have received
opinions, dated the date of the initial Borrowing and addressed to the Lender,
from

               (a) Porter & Hedges, counsel to the Borrower and the Borrower's
          Subsidiaries, substantially in the form of EXHIBIT H hereto;


                                       58
<PAGE>

               (b) special title counsel to the Borrower, who shall be
          acceptable to the Lender, with respect to the Oil and Gas Properties
          described on SCHEDULE II hereto, substantially in the form of EXHIBIT
          I hereto.

         SECTION 6.1.9. UCC-11s. The Lender shall have received certified
copies of Uniform Commercial Code Requests for Information or Copies (Form
UCC-11), or a similar search report certified by a party acceptable to the
Lender, dated a date reasonably near to the date of the initial Borrowing,
listing all effective financing statements which name the Borrower, its
Subsidiaries, and each other Obligor (under their present names and any
previous names) as the debtor and which are filed in the State of Texas,
together with copies of such financing statements (none of which shall cover
any collateral described in the Mortgages or other Security Documents).

         SECTION 6.1.10. EVIDENCE OF INSURANCE. The Lender shall have
received certificates of insurance satisfactory to it evidencing the
existence of all insurance required to be maintained by the Borrower by this
Agreement and the other Loan Documents.

         SECTION 6.1.11. ENGINEERING REPORTS. The Lender shall have received
Engineering Reports from Netherland, Sewell & Associates, dated as of
November 1, 1999, as to the Borrowing Base Properties listed on SCHEDULE II,
covering at least 85% of the Borrowing Base Properties and Engineering
Reports from internal engineers employed by the Borrower as to all other
Borrowing Base Properties.

         SECTION 6.1.12. ENVIRONMENTAL REPORT. The Lender shall have received
the Phase I environmental assessments prepared by Cornerstone Environmental
Resources, Inc. or other Person acceptable to the Lender with respect to the
Mortgaged Properties, and such other information with respect to the
ownership and past use of the Mortgaged Properties as the Lender may
reasonably request, and such reports and information shall be satisfactory in
form, substance and scope to the Lender.

         SECTION 6.1.13. APPROVED BUDGET. The Lender shall have received the
Approved Budget for Fiscal Year 2000, in form, scope and detail reasonably
satisfactory to the Lender.

         SECTION 6.1.14. ASSIGNMENT AND AMENDMENT AND RESTATEMENT OF EXISTING
CREDIT DOCUMENTS. The documents, instruments and agreements comprising or
evidencing the Debt and the collateral security for the Existing Secured Debt
shall each have been assigned to the Lender and amended, or amended and
restated to provide that such documents, instruments and agreements secure
the Obligations, in each case pursuant to instruments in form and substance
satisfactory to the Lender and its counsel.


                                       59
<PAGE>

         SECTION 6.1.15. ORRI AGREEMENT AND CERTIFICATE, ETC. The Lender
shall have received an executed Agreement Concerning Overriding Royalty
Interests, substantially in the form of EXHIBIT K-1, a Certificate as to
Overriding Royalty Interests, substantially in the form of EXHIBIT K-2, and
the executed Agreement as to Certain Tax Matters, substantially in the form
of EXHIBIT L, pertaining to the overriding royalty interest granted by the
Assignment and pertaining to the Warrants.

         SECTION 6.1.16. ASSIGNMENT. The Lender shall have received
counterparts of the Assignment with respect to the Borrowing Base Properties
described on SCHEDULE II, duly executed by the Borrower and the Borrower's
Subsidiaries, together with

                  (a) evidence of the completion (or satisfactory arrangements
         for the completion) of all recordings and filings of the Assignment as
         may be necessary or desirable to vest title to the Overriding Royalty
         Interest described therein in favor of the Designee; and

                  (b) such title opinions or other assurances of title with
         respect to the overriding royalties which are the subject of the
         Assignment as the Lender may reasonably require.

         SECTION 6.1.17. HEDGING AGREEMENTS. The Borrower shall have entered
into (and shall have delivered to the Lender copies of) each of the Hedging
Agreements required by SECTIONS 8.1.8 and 8.1.9.

         SECTION 6.1.18. WARRANTS, ETC. The Lender or the Designee shall have
received the Warrant Documents, in each case executed and delivered by the
Borrower.

         SECTION 6.1.19. CLOSING FEES, EXPENSES, ETC. The Lender shall have
received all reasonable costs and expenses due and payable pursuant to
SECTIONS 3.3 and 10.3, if then invoiced.

         SECTION 6.1.20. OTHER DOCUMENTS. The Lender shall have received such
other documents as it may reasonably request.

         SECTION 6.2. INCLUSION OF HYDROCARBON INTERESTS IN THE BORROWING
BASE. The inclusion of any additional Hydrocarbon Interests in the Borrowing
Base is subject to the following conditions having been satisfied and receipt
by the Lender of the following documents, in each case with respect to each
Hydrocarbon Interest and related Oil and Gas Properties which the Borrower
requests be included in the Borrowing Base, and each of which conditions and
documents shall be satisfactory to the Lender in form and substance:


                                       60
<PAGE>

         SECTION 6.2.1. ENVIRONMENTAL REPORT. The Lender shall have received
Phase I environmental assessments as of a recent date prepared by an
environmental consulting firm as shall be acceptable to the Lender, and such
other information with respect to the ownership and past use of the Mortgaged
Properties relating to such Hydrocarbon Interests as the Lender may
reasonably request, and such reports shall be satisfactory in form, substance
and scope to the Lender.

         SECTION 6.2.2. MORTGAGE. The Lender shall have received counterparts
of a Mortgage relating to such Hydrocarbon Interests and related Oil and Gas
Properties, dated as of a recent date, duly executed by the Borrower and/or
its Subsidiaries, as applicable, together with

                  (a) evidence of the completion (or satisfactory arrangements
         for the completion) of all recordings and filings of such Mortgage as
         may be necessary or, in the reasonable opinion of the Lender, desirable
         effectively to create a valid, perfected first priority Lien against
         the Properties purported to be covered thereby;

                  (b) favorable mortgagee's title opinions in favor of the
         Lender (in form and substance and issued by title counsel reasonably
         satisfactory to the Lender, substantially in the form of EXHIBIT I
         hereto), with respect to the Property purporting to be covered by the
         Mortgage setting forth the working interest and net revenue interest of
         the Borrower and/or its Subsidiaries in such Properties and opining
         that the Borrower's and/or its Subsidiaries' title to such property is
         good and marketable and valid and that the interests created by the
         Mortgage constitute valid first Liens thereon free and clear of all
         defects and encumbrances other than as approved by the Lender; and

                  (c) such other approvals, opinions, or documents as the Lender
         may reasonably request.

         SECTION 6.2.3. UCC-11s. The Lender shall have received certified
copies of Uniform Commercial Code Requests for Information or Copies (Form
UCC-11), or a similar search report certified by a party acceptable to the
Lender, dated as of a recent date, listing all effective financing statements
which name the Borrower or its Subsidiaries (under their present names and
any previous names) as the debtor and which are filed in the jurisdictions in
the State of Texas or the state in which such Oil and Gas Properties are
located and in which the Mortgage referenced in SECTION 6.2.2. is to be
filed, together with copies of such financing statements (none of which shall
cover any collateral described in any such Mortgage).

         SECTION 6.2.4. EVIDENCE OF INSURANCE. The Lender shall have received
certificates of insurance satisfactory to it evidencing the existence of all
insurance


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<PAGE>

required to be maintained by the Borrower by this Agreement and the other
Loan Documents with respect to the Hydrocarbon Interests and related Oil and
Gas Properties being added to the Borrowing Base.

         SECTION 6.2.5. ENGINEERING REPORTS. The Lender shall have received
an Engineering Report, dated as of a recent date from a petroleum engineer
reasonably acceptable to the Lender, as to the Hydrocarbon Interests being
added to the Borrowing Base.

         SECTION 6.2.6. MATERIAL CONTRACTS AND RELATED CONSENTS; SECURITY
AGREEMENT. The Lender shall have received true and correct copies, certified
by the Borrower, and approved the form and substance of, (a) each Material
Contract related to the Hydrocarbon Interests being added to the Borrowing
Base, (b) each Approval as may be requested by the Lender. In addition, the
Lender shall have received duly executed counterparts of a Security Agreement
or, if applicable, amendments to an existing Security Agreement which add any
such Material Contract to the Collateral (as defined in the Security
Agreement), a Consent and, as applicable, a Mortgage Consent, for each such
Material Contract, dated as of a recent date.

         SECTION 6.2.7. GUARANTIES. The Lender shall have received duly
executed counterparts of a Guaranty from any Subsidiary of the Borrower which
is adding Hydrocarbon Interests to the Borrowing Base, unless such a Guaranty
has already been delivered to the Lender in connection with a previous
addition to the Borrowing Base or on the Effective Date.

         SECTION 6.2.8. ADDITIONAL STOCK OR PARTNERSHIP PLEDGE. The Lender
shall have received executed counterparts of the Pledge Agreement, dated not
later than the date of such Loan, duly executed by the Borrower or the
applicable Guarantor pledging its interest in the capital stock or
partnership interest, as the case may be, of any Subsidiary which is adding
Hydrocarbon Interests to the Borrowing Base, unless such Pledge Agreement has
already been delivered to the Lender, accompanied by the original share
certificate evidencing such capital stock and executed stock powers (in
blank) and the evidence of satisfactory arrangement for the completion of all
filings and recordings of the Pledge Agreement as may be necessary or, in the
reasonable opinion of the Lender, desirable, effectively to create a valid,
perfected first priority lien against and security interest in the collateral
covered thereby.

         SECTION 6.2.9. OVERRIDING ROYALTY INTERESTS. To the extent that (x)
certain new Properties (or new classifications of Properties) are considered
by the Lender in a redetermination of the Borrowing Base and the Collateral
Value, (y) the Designee has not already received an Assignment pertaining
thereto and (z) pursuant to SECTION 3.5(a)(i) OR (ii), the Designee is
entitled to receive an overriding royalty interest, the Designee shall have
received an Assignment and a Certificate as to Overriding Royalty


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<PAGE>

Interests with respect to such Properties duly executed by the Borrower and
the Borrower's Subsidiaries, together with

                  (a) evidence of the completion (or satisfactory arrangements
         for the completion) of all recordings and filings of the Assignment as
         may be necessary or desirable to vest title to the Overriding Royalty
         Interest described therein; and

                  (b) such title opinions or other assurances of title with
         respect to the overriding royalties which are the subject of the
         Assignment as the Lender may reasonably require.

         SECTION 6.2.10. OTHER DOCUMENTS. The Lender shall have received such
other documents as it may reasonably request.

         SECTION 6.3. ALL CREDIT EXTENSIONS. The obligation of the Lender to
make any Credit Extension shall be subject to the satisfaction of each of the
conditions precedent set forth in this SECTION 6.3.

         SECTION 6.3.1. COMPLIANCE WITH WARRANTIES, NO DEFAULT, ETC. Both
before and after giving effect to any Credit Extension (but, if any Default
of the nature referred to in SECTION 9.1.5 shall have occurred with respect
to any other Indebtedness, without giving effect to the application, directly
or indirectly, of the proceeds of any Borrowing) the following statements
shall be true and correct

               (a) the representations and warranties set forth in ARTICLE VII
          (excluding, however, those contained in SECTION 7.9) and in the other
          Loan Documents shall be true and correct with the same effect as if
          then made (unless stated to relate solely to an earlier date, in which
          case such representations and warranties shall be true and correct as
          of such earlier date);

               (b) except as disclosed by the Borrower to the Lender pursuant to
          SECTION 7.9

                    (i) no labor controversy, litigation, arbitration or
               governmental investigation or proceeding shall be pending or, to
               the knowledge of the Borrower, threatened against the Borrower or
               any of its Subsidiaries which has or might reasonably be expected
               to have a Material Adverse Effect; and

                    (ii) no development shall have occurred in any labor
               controversy, litigation, arbitration or governmental
               investigation or proceeding disclosed pursuant to SECTION 7.9
               which has or might reasonably be expected to have a Material
               Adverse Effect; and


                                       63
<PAGE>

               (a) no Default shall have then occurred and be continuing, and
          neither the Borrower nor any other Obligor are in material violation
          of any Applicable Law or court order or decree if such violation has
          or might reasonably be expected to have a Material Adverse Effect.

         SECTION 6.3.2. CREDIT REQUEST. The Lender shall have received a
Borrowing Request or Issuance Request, as the case may be, for such Credit
Extension. Each of the delivery of a Borrowing Request or an Issuance Request
and the acceptance by the Borrower of the proceeds of the Borrowing or the
issuance of the Letter of Credit as applicable, shall constitute a
representation and warranty by the Borrower that on the date of such
Borrowing (both immediately before and after giving effect to such Borrowing
and the application of the proceeds thereof) or the issuance of the Letter of
Credit, as applicable, the statements made in SECTION 6.3.1 are true and
correct.

         SECTION 6.3.3. SATISFACTORY LEGAL FORM. All documents executed or
submitted pursuant hereto by or on behalf of the Borrower or any of its
Subsidiaries shall be reasonably satisfactory in form and substance to the
Lender and its counsel; the Lender and its counsel shall have received all
information, approvals, opinions, documents or instruments as the Lender or
its counsel may reasonably request.

                                   ARTICLE VII

                         REPRESENTATIONS AND WARRANTIES

         In order to induce the Lender to enter into this Agreement and to
make Loans and to issue or cause the issuance of Letters of Credit hereunder,
the Borrower represents and warrants unto the Lender and any Issuer as set
forth in this ARTICLE VII.

         SECTION 7.1. ORGANIZATION, ETC. The Borrower is a Delaware
corporation and each of the Borrower's Subsidiaries is an Oklahoma
corporation validly organized and existing and in good standing under the
laws of the jurisdiction of its organization, is duly qualified to do
business and is in good standing as a foreign corporation in each
jurisdiction where the nature of its business requires such qualification,
where the failure so to qualify would have a Material Adverse Effect and has
full power and authority and holds all requisite governmental licenses,
permits and other approvals to enter into and perform its Obligations under
this Agreement, the Notes and each other Loan Document to which it is a party
and to own and hold under lease its Property and to conduct its business
substantially as currently conducted by it, in each case where the failure so
to do would have a Material Adverse Effect. As of the Effective Date, Old
Esenjay is the owner of not less than 25% of the issued and outstanding
shares of the Borrower, and Aspect is the owner of not less than 25% of the
issued and outstanding shares of the Borrower. The Borrower is the sole
shareholder of each of the Borrower's Subsidiaries.


                                       64
<PAGE>

As of the Effective Date, the Borrower has no Subsidiaries other than as
listed in SCHEDULE IV.

         SECTION 7.2. DUE AUTHORIZATION, NON-CONTRAVENTION, ETC. The
execution, delivery and performance by the Borrower and each other Obligor of
this Agreement, the Notes and each other Loan Document executed or to be
executed by it are within the Borrower's and each such Obligor's corporate
powers, have been duly authorized by all necessary corporate action, and do
not

               (a) contravene the Borrower's or such Obligor's Organic
          Documents;

               (b) contravene or result in any violation of or default under any
          Applicable Law or any material contractual restriction, court decree
          or order, in each case binding on or affecting the Borrower or any
          other Obligor or any Properties, businesses, assets or revenues of the
          Borrower or any other Obligor;

               (c) result in, or require the creation or imposition of, any Lien
          on (except for the Liens of the Loan Documents) any of the Borrower's
          or any other Obligor's Properties, businesses, assets or revenues.

         SECTION 7.3. GOVERNMENT APPROVAL, REGULATION, ETC. No authorization
or approval or other action by, and no notice to or filing with, any
Government Agency or other Person is required for the due execution, delivery
or performance by the Borrower or any other Obligor of this Agreement, the
Notes or any other Loan Document to which it is a party.

         SECTION 7.4. INVESTMENT COMPANY ACT. Neither the Borrower, its
Subsidiaries nor any Affiliate thereof, is an "investment company" within the
meaning of the Investment Company Act of 1940, as amended.

         SECTION 7.5. PUBLIC UTILITY HOLDING COMPANY ACT. Neither the
Borrower nor any of its Subsidiaries is a "holding company" or a "subsidiary
company" of a "holding company", or an "affiliate" of a "holding company" or
of a "subsidiary company" of a "holding company", within the meaning of the
Public Utility Holding Company Act of 1935, as amended.

         SECTION 7.6. VALIDITY, ETC. This Agreement constitutes, and the
Notes and each other Loan Document executed by the Borrower or any of its
Subsidiaries will, on the due execution and delivery thereof, constitute, the
legal, valid and binding obligations of the Borrower and such Subsidiaries,
as applicable, enforceable in accordance with their respective terms, and
each Loan Document executed pursuant hereto by each other Obligor will, on
the due execution and delivery thereof by such Obligor, be the legal, valid
and binding obligation of such Obligor enforceable in


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<PAGE>

accordance with its terms, in each case subject to the effect of any
applicable bankruptcy, insolvency, reorganization, moratorium or similar laws
affecting creditors' rights generally.

         SECTION 7.7. FINANCIAL INFORMATION. The audited consolidated balance
sheets of the Borrower and each of its consolidated Subsidiaries as at
December 31, 1998, and the unaudited consolidated balance sheets of the
Borrower and its consolidated Subsidiaries as at September 30, 1999, and the
respective, related consolidated unaudited statements of operations and cash
flow of the Borrower and each of its Subsidiaries, copies of which have been
furnished to the Lender, have been prepared in accordance with GAAP
consistently applied, and present fairly the consolidated financial condition
of the corporations covered thereby as at the date thereof and the results of
their unaudited operations for the period then ended, and show all material
Indebtedness of the Borrower and its consolidated Subsidiaries, as of the
date thereof, including liabilities for taxes, material commitments and
Contingent Liabilities.

         SECTION 7.8. NO MATERIAL ADVERSE CHANGE. Since September 30, 1999,
there has been no change in the financial condition, operations, assets,
business, Properties or prospects of the Borrower or its Subsidiaries that
has or might reasonably be expected to have a Material Adverse Effect, except
that, solely for financial reporting purposes and due solely to certain
non-cash charges, the Borrower expects to report an operating loss for the
fourth (4th) quarter of 1999.

         SECTION 7.9. LITIGATION, LABOR CONTROVERSIES, ETC. There is no
pending or, to the knowledge of the Borrower, threatened litigation, action,
proceeding, or labor controversy affecting the Borrower or any of its
Subsidiaries, or any of their respective Properties, businesses, assets or
revenues, which has or might reasonably be expected to have a Material
Adverse Effect, except as disclosed in ITEM 7.9 ("LITIGATION") of the
Disclosure Schedule.

         SECTION 7.10. OWNERSHIP OF PROPERTIES. Each of the Borrower and each
of its Subsidiaries has good and merchantable title to its Properties
(including, without limitation, all Hydrocarbon Interests), free and clear of
all Liens except (a) those referred to in the financial statements referred
to in SECTION 7.7, (b) as disclosed to the Lender in the DISCLOSURE SCHEDULE
or (c) as permitted by SECTION 8.2.3. After giving full effect to all Liens
permitted under SECTION 8.2.3, the Borrower and its Subsidiaries own the net
interests in Hydrocarbons produced from the Oil and Gas Properties as
reflected in the most recent Engineering Report, and neither the Borrower nor
any of its Subsidiaries is obligated to bear costs or expenses in respect of
the Oil and Gas Properties in excess of its working interest percentage as
reflected in the most recent Engineering Report.


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<PAGE>

         SECTION 7.11. TAXES. Each of the Borrower and its Subsidiaries has
filed all Federal and other tax returns and reports required by Applicable
Law to have been filed by it and has paid all taxes and other governmental
charges thereby shown to be owing, except any such taxes or charges which are
being diligently contested in good faith by appropriate proceedings and for
which adequate reserves in accordance with GAAP shall have been set aside on
its books.

         SECTION 7.12. PENSION AND WELFARE PLANS. During the
twelve-consecutive-month period prior to the Effective Date and prior to the
date of any Borrowing hereunder, no steps have been taken to terminate any
Pension Plan, and no contribution failure has occurred with respect to any
Pension Plan sufficient to give rise to a Lien under section 302(f) of ERISA.
No condition exists or event or transaction has occurred with respect to any
Pension Plan which might result in the incurrence by the Borrower or any
member of the Controlled Group of any material liability, fine or penalty.
Except as disclosed in ITEM 7.12 ("EMPLOYEE BENEFIT PLANS") of the Disclosure
Schedule or as otherwise reflected in the Financial Statements of the
Borrower and its consolidated Subsidiaries, neither the Borrower nor any
member of the Controlled Group has any contingent liability with respect to
any post-retirement benefit under a Welfare Plan, other than liability for
continuation coverage described in Part 6 of Title I of ERISA.

         SECTION 7.13. COMPLIANCE WITH LAW. Neither the Borrower nor any of
its Subsidiaries (a) is in violation of any Applicable Law of, or the terms
of any Approval issued by, any Government Agency; or (b) has failed to obtain
any Approval necessary to ownership of any of its properties or the conduct
of its business (including without limitation any such authorization from the
Federal Energy Regulatory Commission or any state conservation commission or
similar body); which violation or failure could reasonably be expected to
have a Material Adverse Effect.

         SECTION 7.14. CLAIMS AND LIABILITIES. Except as disclosed to the
Lender in ITEM 7.14 ("CLAIMS AND LIABILITIES") of the Disclosure Schedule,
neither the Borrower nor any of its Subsidiaries has accrued any liabilities
under gas purchase contracts for gas not taken, but for which it is liable to
pay if not made up and which, if not paid, would have a Material Adverse
Effect. Except as disclosed to the Lender in ITEM 7.14 of the Disclosure
Schedule, no claims exist against the Borrower or any of its Subsidiaries for
gas imbalances which claims if adversely determined would have a Material
Adverse Effect. No purchaser of product supplied by the Borrower or any of
its Subsidiaries has any claim against the Borrower or any of its
Subsidiaries for product paid for, but for which delivery was not taken as
and when paid for, which claim if adversely determined would have a Material
Adverse Effect.

         SECTION 7.15. NO PROHIBITION ON PERFECTION OF SECURITY DOCUMENTS.
None of the terms or provisions of any indenture, mortgage, deed of trust,
agreement or other


                                       67
<PAGE>

instrument to which the Borrower or any of its Subsidiaries is a party or by
which the Borrower or any of its Subsidiaries or the property of the Borrower
or any of its Subsidiaries is bound prohibit the filing or recordation of any
of the Loan Documents or any other action which is necessary or appropriate
in connection with the perfection of the Liens evidenced and created by any
of the Loan Documents.

         SECTION 7.16. SOLVENCY. Neither the Borrower nor any of its
Subsidiaries is "insolvent", as such term is used and defined in the United
States Bankruptcy Code, 11 U.S.C. Section 101, ET SEQ.

         SECTION 7.17 ENVIRONMENTAL WARRANTIES. As a reasonable and prudent
operator of oil and gas producing properties, in the ordinary course of its
business, the Borrower has conducted, with respect to its Oil and Gas
Properties, and, on an ongoing basis, conducts a review of the effect of
Environmental Laws on the business, operations and Properties of the Borrower
and its Subsidiaries, in the course of which it identifies and evaluates
associated liabilities and costs (including any capital or operating
expenditures required for Remedial Action or other clean-up or closure of
Properties presently owned or operated, any capital or operating expenditures
required for Remedial Action or otherwise to achieve or maintain compliance
with environmental protection standards imposed by any Environmental Law or
as a condition of any Approval, license, permit or contract, any related
constraints on operating activities, including any periodic or permanent
shutdown of any facility or reduction in the level of or change in the nature
of operations conducted thereat and any actual or potential liabilities to
third parties, including employees, and any related costs and expenses). On
the basis of this review, the Borrower has reasonably concluded that, except
as disclosed in ITEM 7.17 ("ENVIRONMENTAL MATTERS") of the Disclosure
Schedule, to the best of its knowledge after due inquiry:

               (a) all facilities and Property (including underlying
          groundwater) owned, leased or operated by the Borrower or any of its
          Subsidiaries have been, and continue to be, owned, leased or operated
          by the Borrower or any of its Subsidiaries in compliance with all
          Environmental Laws where the failure to do so could reasonably be
          expected to have a Material Adverse Effect;

               (d) there have been no past, and there are no pending or
          threatened

                    (i) claims, complaints, notices or inquiries to, or requests
               for information received by, the Borrower or any of its
               Subsidiaries with respect to any alleged violation of any
               Environmental Law, that, singly or in the aggregate, have or may
               reasonably be expected to have a Material Adverse Effect, or


                                       68
<PAGE>

                    (ii) claims, complaints, notices or inquiries to, or
               requests for information received by, the Borrower or any of its
               Subsidiaries regarding potential liability under any
               Environmental Law or under any common law theories relating to
               operations or the condition of any facilities or Property
               (including underlying groundwater) owned, leased or operated by
               the Borrower or any of its Subsidiaries that, singly or in the
               aggregate, have, or may reasonably be expected to have a Material
               Adverse Effect;

               (c) there have been no Releases of Hazardous Materials at, on or
          under any Property now or previously owned or leased by the Borrower
          or any of its Subsidiaries that, singly or in the aggregate, have, or
          may reasonably be expected to have, a Material Adverse Effect;

               (d) each of the Borrower or any of its Subsidiaries, as
          applicable, has been issued and is in compliance with all permits,
          certificates, approvals, licenses and other authorizations relating to
          environmental matters and necessary or desirable for its business
          where the failure to do so could reasonably be expected to have a
          Material Adverse Effect;

               (e) no Property now or previously owned, leased or operated by
          the Borrower or any of its Subsidiaries is listed or proposed for
          listing on the National Priorities List pursuant to CERCLA, or, to the
          extent that such listing may, singly or in the aggregate, have, or may
          reasonably be expected to have a Material Adverse Effect, on the
          CERCLIS or on any other similar federal or state list of sites
          requiring investigation or clean-up;

               (f) there are no underground storage tanks, active or abandoned,
          including petroleum storage tanks, on or under any Property now or
          previously owned, leased or operated by the Borrower or any of its
          Subsidiaries that, singly or in the aggregate, have, or may reasonably
          be expected to have, a Material Adverse Effect;

               (g) neither the Borrower nor any Subsidiaries of the Borrower has
          directly transported or directly arranged for the transportation of
          any Hazardous Material to any location which is listed or proposed for
          listing on the National Priorities List pursuant to CERCLA, or, to the
          extent that such listing may, singly or in the aggregate, have, or may
          reasonably be expected to have a Material Adverse Effect, on the
          CERCLIS or on any similar federal or state list or which is the
          subject of federal, state or local enforcement actions or other
          investigations which may lead to material claims against the Borrower
          or any of its Subsidiaries for any remedial work, damage to natural
          resources or personal injury, including claims under CERCLA;


                                       69
<PAGE>

               (h) there are no polychlorinated biphenyls, radioactive materials
          or friable asbestos present at any Property now or previously owned or
          leased by the Borrower or any of its Subsidiaries that, singly or in
          the aggregate, have, or may reasonably be expected to have, a Material
          Adverse Effect;

               (i) since the respective dates of the reports delivered pursuant
          to SECTION 6.1.12 and SECTION 6.2.1, no event has occurred or
          condition changed which would make the descriptions and
          characterizations of the Properties covered thereby incomplete or
          misleading in any material respect; and

               (j) no condition exists at, on or under any property now or
          previously owned or leased by the Borrower or any of its Subsidiaries
          which, with the passage of time, or the giving of notice or both,
          would give rise to material liability under any Environmental Law
          that, singly or in the aggregate have, or may reasonably be expected
          to have a Material Adverse Effect.

         SECTION 7.18. REGULATIONS G, U AND X. Neither the Borrower nor any
of its Subsidiaries is engaged in the business of extending credit for the
purpose of purchasing or carrying margin stock, and no proceeds of any Loans
will be used for a purpose which violates, or would be inconsistent with,
F.R.S. Board Regulation G, U or X. Terms for which meanings are provided in
F.R.S. Board Regulation G, U or X or any regulations substituted therefor, as
from time to time in effect, are used in this Section with such meanings.

         SECTION 7.19  YEAR 2000 COMPLIANCE.

                  (a) The Borrower: (i) developed a review and assessment
         program of all areas with its and each of its Subsidiaries' businesses
         and operations (including those affected by suppliers and vendors) that
         could be adversely affected by the "YEAR 2000 PROBLEM" (that is, the
         risk that computer applications (as well as imbedded microchips) used
         by the Borrower or any of its Subsidiaries (or any of their suppliers
         and vendors) may be unable to recognize and perform properly
         date-sensitive functions involving certain dates prior to and any date
         after December 31, 1999); (ii) developed a plan and a timetable for
         addressing the Year 2000 Problem on a timely basis; and (iii)
         implemented that plan in accordance with that timetable.

                  (b) The Borrower reasonably believes that all computer
         applications (including those of their suppliers and vendors) that are
         material to its or its Subsidiaries' businesses and operations were and
         are able to perform properly date-sensitive functions for all dates
         before and after January 1, 2000 (that is, be "YEAR 2000 COMPLIANT"),
         except to the extent that a failure to do so could not reasonably be
         expected to have a Material Adverse Effect.


                                       70
<PAGE>

         SECTION 7.20. INSURANCE. The Borrower and its Subsidiaries have the
benefit of the insurance coverage described in the certificates of insurance
delivered pursuant to SECTION 6.1.10 and required to be maintained pursuant
to SECTION 8.1.4.

         SECTION 7.21. ACCURACY OF INFORMATION. All factual information
heretofore or contemporaneously furnished by or on behalf of the Borrower or
any of its Subsidiaries in writing to the Lender for purposes of or in
connection with this Agreement or any transaction contemplated hereby
(including without limitation each Engineering Report) is, and all other such
factual information hereafter furnished by or on behalf of the Borrower or
any of its Subsidiaries to the Lender will be, true and accurate in every
material respect on the date as of which such information is dated or
certified and as of the date of execution and delivery of this Agreement by
the Lender, and such information is not, or shall not be, as the case may be,
incomplete by omitting to state any material fact necessary to make such
information not misleading.

         SECTION 7.22. TITLE WARRANTY. The Borrower represents and warrants
that the Overriding Royalty Interest conveyed in the Assignment is free and
clear of any mortgages, deeds of trust, voluntary or contractual Liens,
pledges, security interests, charges, conditional sales or other title
retention documents, or other encumbrances or burdens other than those in
favor of the Lender or the Designee and as expressly set forth in the
Assignment, and the Borrower hereby binds itself, its successors and assigns
to warrant and forever defend the title to the Overriding Royalty Interest
therein granted, conveyed, assigned, and transferred unto the Designee, its
successors and assigns, against the lawful claims and demands of every person
whomsoever claiming or to claim the same or any part thereof, by, through or
under the Borrower or any of its Subsidiaries but not otherwise.

         SECTION 7.23. STARBOARD PROJECT. The Indebtedness of the Borrower
affecting certain properties located in Terrebonne Parish, Louisiana and
sometimes known as the "Starboard Project" consists of nonrecourse
obligations of the Borrower to 420 Energy Investments, Inc., a Delaware
corporation, in an amount not exceeding $864,000 plus accrued interest
relating to the recoupment of the Borrower's share of costs incurred in
connection with a 3-D seismic program and payable solely out of production
which may be obtained from the Properties located in Terrebonne Parish,
Louisiana that are involved in such program by the conversion of such
indebtedness into an overriding royalty interest burdening only such
properties.


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<PAGE>

                                  ARTICLE VIII

                                    COVENANTS

         SECTION 8.1. AFFIRMATIVE COVENANTS. The Borrower agrees with the
Lender and any Issuer that, until all Commitments have terminated and all
Obligations have been paid and performed in full, the Borrower and each of
its Subsidiaries will perform the obligations set forth in this SECTION 8.1.

         SECTION 8.1.1. FINANCIAL INFORMATION, REPORTS, NOTICES, ETC. The
Borrower will furnish, or will cause to be furnished, to the Lender copies of
the following financial statements, reports, notices and other information:

                  (a) as soon as available and in any event within 50 days after
         the end of each of the first three Fiscal Quarters of each Fiscal Year
         of the Borrower, consolidated and consolidating balance sheets of the
         Borrower and its consolidated Subsidiaries as of the end of such Fiscal
         Quarter and consolidated and consolidating statements of operations and
         cash flow of the Borrower and its consolidated Subsidiaries for such
         Fiscal Quarter and for the period commencing at the end of the previous
         Fiscal Year and ending with the end of such Fiscal Quarter, certified
         by the chief financial Authorized Officer of the Borrower;

                  (b) as soon as available and in any event within 95 days after
         the end of each Fiscal Year of the Borrower, a copy of the annual audit
         report for such Fiscal Year for the Borrower and its consolidated
         Subsidiaries, including therein the audited consolidated and
         consolidating balance sheets of the Borrower and its consolidated
         Subsidiaries as of the end of such Fiscal Year and audited statements
         of operations and cash flow of the Borrower and its consolidated
         Subsidiaries for such Fiscal Year, in the case of such audited
         financials, each case certified (without any Impermissible
         Qualification) in a manner reasonably acceptable to the Lender by an
         independent public accountant acceptable to the Lender, together with a
         certificate from the Chief Financial Officer of the Borrower from such
         accountants containing a computation of, and showing compliance with,
         each of the financial ratios and restrictions contained in SECTION
         8.2.4 and to the effect that, in making the examination necessary for
         the signing of such annual report by such accountants, they have not
         become aware of any Default that has occurred and is continuing, or, if
         they have become aware of such Default, describing such Default and the
         steps, if any, being taken to cure it;

                  (c) concurrently with the delivery of the financial statements
         referred to in CLAUSES (a) and (b), a certificate, executed by the
         Authorized Officer of the Borrower, showing (in reasonable detail and
         with appropriate calculations and computations in all respects
         reasonably satisfactory to the Lender) (i) compliance


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<PAGE>

         with the financial covenants set forth in SECTION 8.2.4 and (ii) a
         comparison between the actions described in the then current
         Approved Budget and the actual actions taken in such period, and
         also certifying, to such Authorized Officer's best knowledge, that
         no Default has occurred and is then outstanding;

                  (d) commencing December 31, 2000, and thereafter on or prior
         to December 31st of each year, an Approved Budget for the Borrower for
         the immediately following Fiscal Year, reasonably satisfactory to the
         Lender, such budgets to be substantially in the form of EXHIBIT P;

                  (e) on or prior to the fiftieth (50th) day after the end of
         each Fiscal Quarter, a proposed revision to the then current Approved
         Budget for the four (4) Fiscal Quarters next following, in form, scope
         and detail reasonably satisfactory to the Lender;

                  (f) as soon as possible and in any event within five (5)
         Business Days after any responsible officer of the Borrower becomes
         aware of the occurrence of each Default and any event which has or is
         reasonably likely to have a Material Adverse Effect, a statement of
         Authorized Officer of the Borrower setting forth details of such
         Default or event and the action which the Borrower has taken and
         proposes to take with respect thereto;

                  (g) as soon as possible and in any event within five (5)
         Business Days after any responsible officer of the Borrower becomes
         aware of (x) the occurrence of any adverse development with respect to
         any litigation, action, proceeding or labor controversy described in
         SECTION 7.9 or (y) the commencement of any litigation, action,
         proceeding or labor controversy of the type described in SECTION 7.9,
         notice thereof and, to the extent reasonably requested by the Lender,
         copies of all documentation relating thereto not subject to the
         attorney-client privilege;

                  (h) as soon as possible and in any event within ten (10) days
         after any responsible officer of the Borrower or any of its
         Subsidiaries has actual knowledge thereof, notice of

                         (i) any claim by any Person against the Borrower or any
                    of its Subsidiaries of nonpayment of, or

                         (ii) any attempt by any Person to collect upon or
                    enforce

any accounts payable (that are more than 30 days past due) of the Borrower or
any of its Subsidiaries, in the case of any single account payable in excess of
$100,000, or in the case of all accounts payable in the aggregate in excess of
$250,000;


                                       73
<PAGE>

                  (i) upon, but in no event later than ten (10) days after, any
         responsible officer of the Borrower or any of its Subsidiaries becomes
         aware of (i) any and all enforcement, cleanup, removal or other
         governmental or regulatory actions instituted, completed or threatened
         or other environmental claims against the Borrower or any Subsidiary or
         any of its Properties pursuant to any applicable Environmental Laws
         which could have a Material Adverse Effect, and (ii) any environmental
         or similar condition on any real property adjoining or in the vicinity
         of the property of the Borrower or any Subsidiary that could reasonably
         be anticipated to cause such property or any part thereof to be subject
         to any restrictions on the ownership, occupancy, transferability or use
         of such property under any Environmental Laws;

                  (j) as soon as available and in any event within sixty (60)
         days after January 1, 2000 and January 1st of each calendar year, an
         Engineering Report from an independent petroleum engineering firm
         acceptable to the Lender in its reasonable judgment, and as soon as
         available and in any event within sixty (60) days after July lst of
         each calendar year commencing in 2000, an Engineering Report from the
         Borrower's internal reserve engineers, unless the Lender, at least
         sixty (60) days before the required delivery date of such Engineering
         Report, has requested that it be prepared by an independent petroleum
         engineering firm reasonably acceptable to the Lender;

                  (k) promptly after the sending or filing thereof, copies of
         all reports which the Borrower sends to any of its security holders,
         the sending or filing thereof, all material reports and registration
         statements which the Borrower or any of its Subsidiaries files with the
         Securities and Exchange Commission or any national securities exchange,
         the filing thereof, copies of all tariff and rate cases and other
         material reports filed with any regulatory authority (other than
         routine operating reports), and receipt thereof, copies of all notices
         received from any regulatory authority concerning material
         noncompliance by the Borrower or any of its Subsidiaries with any
         applicable regulations;

                  (l) immediately upon becoming aware of the institution of any
         steps by the Borrower or any other Person to terminate any Pension
         Plan, or the failure to make a required contribution to any Pension
         Plan if such failure is sufficient to give rise to a Lien under section
         302(f) of ERISA, or the taking of any action with respect to a Pension
         Plan which could result in the requirement that the Borrower furnish a
         bond or other security to the PBGC or such Pension Plan, or the
         occurrence of any event with respect to any Pension Plan which could
         result in the incurrence by the Borrower of any material liability,
         fine or penalty, or any material increase in the contingent liability
         of the Borrower with respect to any


                                       74
<PAGE>


         post-retirement Welfare Plan benefit, notice thereof and copies of all
         documentation relating thereto;

                  (m) promptly after the Borrower discovers or determines that
         any computer application (including those of its suppliers or vendors)
         that is material to the businesses or operations of the Borrower and
         its Subsidiaries taken as a whole is not Year 2000 Compliant, notice
         thereof and a copy of the Borrower's plan for dealing with such
         problem, except to the extent such failure could not reasonably be
         expected to have a Material Adverse Effect; and

                  (n) on or before the thirtieth (30th) day of each month, a
         report containing operational and accounting information with respect
         to the Mortgaged Properties, Borrowing Base Properties and Development
         Properties for the immediately preceding month, including estimated
         production volumes, revenues, operating costs, drilling costs,
         completion costs, geological and geophysical costs, and G&A Expenses,
         position under Hedging Agreements and such other information (including
         drilling and completion reports and well test data) respecting the
         condition or operations, financial or otherwise, of the Borrower or any
         of its Subsidiaries as the Lender may from time to time reasonably
         request.

         SECTION 8.1.2. COMPLIANCE WITH LAWS, ETC. The Borrower will, and will
cause each of its Subsidiaries to, comply with all Applicable Laws, except where
failure to so comply would not be reasonably expected to have a Material Adverse
Effect, such compliance to include (without limitation):

               (a) the maintenance and preservation of its corporate existence
          and qualification as a foreign corporation; and

               (b) the payment, before the same become delinquent, of all taxes,
          assessments and governmental charges imposed upon it or upon its
          property except to the extent being diligently contested in good faith
          by appropriate proceedings and for which adequate reserves in
          accordance with GAAP shall have been set aside on its books.


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<PAGE>

         SECTION 8.1.3.  MAINTENANCE, DEVELOPMENT AND SALE OF PROPERTIES.

                  (a) The Borrower will, and will cause each of its Subsidiaries
         to, maintain (subject to any disposition permitted by SECTION 8.2.9),
         preserve, protect and keep its Properties in good repair, working order
         and condition (ordinary wear and tear excepted), and make necessary and
         proper repairs, renewals and replacements so that its business carried
         on in connection therewith may be properly conducted at all times in
         accordance with standard industry practices. In particular, the
         Borrower will, and will cause each of its Subsidiaries to, operate or
         cause to be operated its Oil and Gas Properties as a reasonable and
         prudent operator.

                  (b) The Borrower shall use all reasonable efforts promptly to
         complete the Approved Development Activities contemplated by the
         Approved Budget. In addition, the Borrower shall use all reasonable
         efforts to develop and bring into production in a prudent and
         businesslike manner all proved developed non-producing reserves and
         projects that the Lender has considered in its determination of the
         Borrowing Base.

                  (c) The Borrower shall ensure that at all times it has
         available to it, either through its employees or through independent
         contractors, petroleum engineers with appropriate experience and
         expertise in the proper operation and development of properties similar
         to the Mortgaged Properties, the Borrowing Base Properties and the
         Development Properties.

                  (d) From time-to-time, but not less than once each Fiscal
         Quarter (at the time described in SECTION 8.1.1(e)) during the time the
         Tranche B Loan is outstanding, the Borrower shall deliver to the Lender
         a written proposal containing revisions to the Approved Budget then in
         effect, showing, among other things, revised projections of Approved
         Development Activities for the twelve (12) month period following such
         revision, which revisions shall in all respects satisfactory to the
         Lender. Within ten (10) Business Days after receipt of such proposal
         for a revised Approved Budget, the Lender shall either approve the
         revisions or object to such revisions. In the event that the Lender has
         not delivered to the Borrower an approval or objection within such ten
         (10) day period, such revisions shall be deemed approved. In the event
         that the Lender shall object to a proposed revision, the Borrower shall
         discuss such objections with the Lender and shall further revise and
         resubmit such proposed revisions to the Approved Budget until a revised
         Approved Budget acceptable to the Lender has been submitted to and
         approved or deemed approved by the Lender. Once approved in writing or
         deemed approved by the Lender, the then existing Approved Budget shall
         be amended and the Approved Budget as revised and amended shall
         thereafter replace and supersede the prior Approved Budget.


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<PAGE>

                  (e) Promptly after the drilling and completion of each well
         drilled on the Oil and Gas Properties that have been considered by the
         Lender in the determination or redetermination of the Borrowing Base or
         the Collateral Value, the Borrower shall promptly request assignments
         of any interests earned by virtue of such drilling and, within fifteen
         (15) days after the earlier to occur of the receipt of such assignments
         or sixty (60) days after first production from such well, shall deliver
         to the Lender:

                           (i) true and correct copies of any such assignments
                  of record title of the applicable Oil & Gas Properties into
                  the Borrower or its Subsidiary, as applicable,

                           (ii) true and correct copies of all required Consents
                  and Approvals (including copies of applications to the Mineral
                  Board of the State of Louisiana for the relevant Approvals)
                  applicable to such assignments,

                           (iii) original, executed and acknowledged
                  counterparts of an Assignment from the Borrower or its
                  Subsidiary, as applicable, to the Designee (effective not
                  later than the date of first production from such well),

                           (iv) original, executed and acknowledged counterparts
                  of a supplemental Mortgage and related amendments to financing
                  statements and

                           (v) a favorable mortgagee's title opinion showing
                  that the Borrower or its Subsidiary, as applicable, is vested
                  with good and marketable title to interests in the applicable
                  Mortgaged Property consistent with the working interests and
                  net revenue interest for such property shown in the most
                  recent Engineering Report and showing that the interests
                  created by such supplemental Mortgage constitute valid first
                  Liens thereon, free and clear of all defects and encumbrances
                  other than as approved by the Lender,

         in each case in form and substance reasonably satisfactory to the
         Lender.

                  (f) The Borrower and each of its Subsidiaries shall, promptly
         after the Effective Date, take all necessary actions and use its
         reasonable best efforts to obtain appropriate Consents from the Mineral
         Board of the State of Louisiana of the granting of the Assignment and
         the Mortgage with respect to any State of Louisiana leases covered by
         such instruments.


                                       77
<PAGE>

         SECTION 8.1.4. INSURANCE. The Borrower will, and will cause each of its
Subsidiaries to, maintain or cause to be maintained with responsible insurance
companies insurance with respect to its properties and business against such
casualties and contingencies and of such types and in such amounts as is
customary in the case of similar businesses (including, where appropriate, well
control, operator's extra expense and remediation insurance) and will furnish to
the Lender at reasonable intervals at the request of the Lender a certificate of
an Authorized Officer of the Borrower setting forth the nature and extent of all
insurance maintained by the Borrower and its Subsidiaries in accordance with
this SECTION 8.1.4. The following shall apply to the insurance required by this
SECTION 8.1.4:

               (a) Each policy for property insurance covering the Mortgaged
          Property shall show the Lender as loss payee;

               (b) Each policy for liability insurance covering the Mortgaged
          Property shall show the Lender as additional insured;

               (c) Each insurance policy covering the Mortgaged Property shall
          provide that at least thirty (30) days prior written notice of
          cancellation, reduction in amount or other change in coverage, or of
          lapse shall be given to the Lender by the insurer; and

               (d) The Borrower shall, if so requested by the Lender, deliver to
          the Lender the original or a certified copy of each insurance policy
          covering the Mortgaged Property.

         SECTION 8.1.5. BOOKS AND RECORDS. The Borrower will, and will cause
each of its Subsidiaries to, keep books and records which accurately reflect all
of its material business affairs and transactions and permit the Lender or any
of its respective representatives, at reasonable times (but in any event, within
three (3) Business Days after notice from the Lender and during all normal
business hours) and at reasonable intervals, to visit all of its offices, to
discuss its financial matters with its officers, directors and, after
forty-eight (48) hours notice to the Borrower and independent public accountant
(and the Borrower hereby authorizes such independent public accountant to
discuss the Borrower's and its Subsidiaries' financial matters with the Lender
or its representatives whether or not any representative of the Borrower is
present) and to examine (and, at the expense of the Borrower, photocopy extracts
from) any of its books or other corporate records. The Borrower shall pay any
reasonable fees of such independent public accountant incurred in connection
with the Lender's exercise of its rights pursuant to this Section. Furthermore,
the Borrower will permit the Lender, or its agents, at the cost and expense of
the Borrower, to enter upon the Oil and Gas Properties and all parts thereof,
for the purpose of investigating and inspecting the


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<PAGE>

condition and operation thereof, and shall permit reasonable access to the field
offices and other offices, including the principal place of business, of the
Borrower to inspect and examine the Oil and Gas Properties.

         SECTION 8.1.6. ENVIRONMENTAL COVENANT. The Borrower will, and will
cause each of its Subsidiaries to,

                  (a) use, operate and maintain all of its facilities and
         Properties in compliance with all Environmental Laws, keep all
         necessary permits, approvals, certificates, licenses and other
         authorizations relating to environmental matters in effect and remain
         in compliance therewith, and handle all Hazardous Materials in
         compliance with all applicable Environmental Laws where failure to do
         so would reasonably be expected to have a Material Adverse Effect;

                  (b) (i) promptly notify the Lender, and if requested by the
         Lender, and provide copies of all written claims, complaints, notices
         or inquiries relating to the condition of its facilities and Properties
         or compliance with Environmental Laws, (ii) use all reasonable efforts
         within ninety (90) days to have dismissed with prejudice any actions or
         proceedings relating to compliance with Environmental Laws which would
         or could in the reasonable opinion of the Lender have a Material
         Adverse Effect, and (iii) diligently pursue cure of any material
         underlying environmental problem which forms the basis of any such
         claim, complaint, notice or inquiry; and

                  (c) provide such information and certifications which the
         Lender may reasonably request from time to time to evidence compliance
         with this SECTION 8.1.6.

         SECTION 8.1.7.  FURTHER ASSURANCES.

                  (a) The Borrower shall, and shall cause each of its
         Subsidiaries to, upon the request of the Lender, take such actions and
         execute and deliver such documents and instruments as the Lender shall
         require to ensure that the Lender shall, at all times, have received
         currently effective, duly executed Loan Documents encumbering Oil and
         Gas Properties of the Borrower and its Subsidiaries constituting 90% of
         value of the Proven Reserves to which value is given in the
         determination of the then current Borrowing Base and Collateral Value
         (with accompanying letters in lieu of transfer orders) and satisfactory
         title evidence in form and substance reasonably acceptable to the
         Lender in its reasonable business judgment as to ownership of such Oil
         and Gas Properties; PROVIDED that, upon thirty (30) days notice to the
         Borrower, the Lender may require, and the Borrower and/or its
         Subsidiaries, as applicable, shall execute, acknowledge and deliver to
         the Lender, Mortgages effectively encumbering 100% of the Oil and Gas


                                       79
<PAGE>

         Properties of the Borrower and its Subsidiaries to which value is given
         in the determination of the then current Borrowing Base.

                  (b) If the Lender shall determine that, as of the date of any
         Borrowing Base Redetermination, the Borrower or any of its Subsidiaries
         shall have failed to comply with the preceding SUBSECTION 8.1.7(a), the
         Lender may notify the Borrower in writing of such failure and, within
         thirty (30) days from and after receipt of such written notice by the
         Borrower, the Borrower or its Subsidiaries (as applicable) shall
         execute and deliver to the Lender supplemental or additional Loan
         Documents, in form and substance reasonably satisfactory to the Lender
         and its counsel, securing payment of the Notes and the other
         Obligations and covering additional assets not then encumbered by any
         Loan Documents (together with current valuations, Engineering Reports,
         and title evidence applicable to the additional assets collaterally
         assigned and such other documents as the Lender may reasonably require,
         including opinions of counsel, each of which shall be in form and
         substance reasonably satisfactory to the Lender) such that the Lender
         shall have received currently effective duly executed Loan Documents
         encumbering Oil and Gas Properties constituting at least 90% (or, as
         provided in SUBSECTION 8.1.7(a), 100%) of the value of the Proven
         Reserves of the Borrower and its Subsidiaries to which value is given
         in the determination of the then current Borrowing Base (with
         accompanying letters in lieu of transfer orders) and satisfactory title
         evidence in form and substance acceptable to the Lender in its
         reasonable business judgment as to ownership of such Oil and Gas
         Properties.

                  (c) From time to time, but not less often that once each
         Fiscal Quarter, the Borrower shall, and shall cause each of its
         Subsidiaries to, deliver duly executed and acknowledged counterparts of
         the Assignment as are necessary to ensure that the Designee shall have
         received the overriding royalty interests in all of the Oil and Gas
         Properties required by SECTION 3.5. On or before the day which is
         ninety (90) days after the Effective Date, the Borrower shall convey to
         the Designee the required overriding royalty interest in respect of the
         Raymondville Project, in Willacy County, Texas unless, prior to such
         ninetieth (90th) day, the Borrower has sold such Oil and Gas Property.

                  (d) The Borrower shall ensure that all written information,
         exhibits, certificates and reports furnished by or on behalf of the
         Borrower to the Lender do not and will not contain any untrue statement
         of a material fact and do not and will not omit to state any material
         fact or any fact necessary to make the statements contained therein not
         misleading in light of the circumstances in which made, and will
         promptly disclose to the Lender and correct any defect or error that
         may be discovered therein or in any Loan Document or in the execution,
         acknowledgment or recordation thereof.


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<PAGE>

         SECTION 8.1.8. HYDROCARBON HEDGING. On or before the Effective Date,
the Borrower will enter into natural gas and crude oil Hedging Agreements with
counterparties and on such other terms as are satisfactory to the Lender, that
will enable the Borrower to obtain a net realized price of not less than (a)
$2.20 per MMBtu of natural gas and (b) $17.50 per barrel of oil produced from
its and each Borrower's Subsidiary's Hydrocarbon Interests on the volumes set
forth on SCHEDULE IV (being an amount equal to 75% of the estimated production
(for the period commencing as of the Effective Date and ending not earlier than
the Stated Maturity Date for the Tranche B Loan) from proved developed producing
reserves attributable to the Hydrocarbon Interests of the Borrower and its
Subsidiaries as of the Effective Date), commencing no later than the date of the
initial Loans hereunder.

         SECTION 8.1.9. INTEREST RATE PROTECTION. On or before the Effective
Date, the Borrower shall enter into Hedging Agreements, with counterparties and
on such other terms as are satisfactory to the Lender, designed to ensure a
maximum interest rate of (a) 9.5% per annum on the notional amount projected to
be outstanding as Tranche A Loans and (b) 9.5% per annum on the notional amount
projected to be outstanding as the Tranche B Loan for all periods prior to the
Tranche B Availability Termination Date.

         SECTION 8.1.10. MERGER OF CERTAIN SUBSIDIARIES. The Borrower shall, on
or before April 30, 2000, cause Frontier, Inc. and Frontier Exploration and
Production Corporation to be merged with and into the Borrower and shall deliver
to the Lender Certificates of Merger from the appropriate Government Agencies
evidencing such mergers.

         SECTION 8.2. NEGATIVE COVENANTS. The Borrower agrees with the Lender
and any Issuer that, until all Commitments have terminated and all Obligations
have been paid and performed in full, the Borrower will perform the obligations
set forth in this SECTION 8.2.

         SECTION 8.2.1. BUSINESS ACTIVITIES. The Borrower will not, and will not
permit its Subsidiaries to, engage in any business activity, except those
described in the first recital and such activities as may be incidental or
related thereto. Until the merger of Frontier, Inc. and Frontier Exploration and
Production Corporation with and into the Borrower as described in SECTION
8.1.10, the Borrower will not, and will not permit any of its Subsidiaries, to
conduct any business in such Subsidiaries other than as may be necessary to
manage and operate its existing properties and to implement such mergers.

         SECTION 8.2.2. INDEBTEDNESS. The Borrower will not, and will not permit
any of its Subsidiaries to, create, incur, assume or suffer to exist or
otherwise become or be liable in respect of any Indebtedness, other than,
without duplication, the following:


                                       81
<PAGE>

               (a) Indebtedness in respect of the Loans and other Obligations;

               (b) Indebtedness in an aggregate principal amount not to exceed
          $500,000 at any time outstanding which is incurred by the Borrower or
          any of its Subsidiaries to a vendor of any assets to finance its
          acquisition of such assets;

               (c) unsecured Indebtedness incurred in the ordinary course of
          business (including (i) open accounts extended by suppliers on normal
          trade terms in connection with purchases of goods and services, and
          (ii) gas balancing, but excluding Indebtedness incurred through the
          borrowing of money or Contingent Liabilities);

               (d) Hedging Obligations incurred pursuant to the Hedging
          Agreements approved by the Lender pursuant to SECTIONS 8.1.8 and
          8.1.9; and

               (e) Contingent Obligations incurred to satisfy bonding
          requirements imposed by any Government Agency not to exceed, in the
          aggregate, $250,000;

               (f) Indebtedness of its Subsidiaries existing as of the Effective
          Date which is identified in ITEM 8.2.2(f) of the Disclosure Schedule;

               (g) Indebtedness in respect of Capitalized Lease Obligations in
          an amount not to exceed $250,000 at any time outstanding;

               (h) Indebtedness owed by the Borrower to any of the Subsidiaries
          or by any Subsidiary of the Borrower to the Borrower or any
          Subsidiary;

               (i) endorsements of negotiable instruments for collection in the
          ordinary course of business;

               (j) Indebtedness of the Borrower and its Subsidiaries which are
          Investments to the extent permitted by SECTION 8.2.5(b);

               (k) any nonrecourse obligations of the Borrower to 420 Energy
          Investments, Inc., a Delaware corporation, in an amount not to exceed
          $864,000 plus accrued interest relating to the recoupment of the
          Borrower's share of costs incurred in connection with a 3-D seismic
          program and payable out of production which may be obtained from the
          Properties involved in such program;

               (k) additional Indebtedness not permitted by CLAUSES (a) through
          (k) above, PROVIDED, HOWEVER, that the aggregate amount of all
          Indebtedness incurred by the Borrower and its consolidated
          Subsidiaries pursuant to this CLAUSE (l) shall not exceed $500,000 at
          any one time outstanding;


                                       82
<PAGE>

PROVIDED, HOWEVER, that no Indebtedness otherwise permitted by CLAUSE (b) shall
be permitted if, after giving effect to the incurrence thereof, any Default
shall have occurred and be continuing.

         SECTION 8.2.3. LIENS. The Borrower will not, and will not permit any of
the Subsidiaries to create, incur, assume or suffer to exist any Lien upon any
of its Property, revenues or assets, whether now owned or hereafter acquired,
except
         :
               (a) Liens securing payment of the Obligations, granted pursuant
          to any Loan Document;

               (b) Liens granted to secure payment of Indebtedness of the type
          permitted and described in CLAUSE (b) of SECTION 8.2.2 and covering
          only those assets acquired with the proceeds of such Indebtedness;

               (c) Hydrocarbon production sales contracts;

               (d) Liens for taxes, assessments or other governmental charges or
          levies not at the time delinquent or thereafter payable without
          penalty or being diligently contested in good faith by appropriate
          proceedings and for which adequate reserves in accordance with GAAP
          shall have been set aside on its books;

               (e) Liens of carriers, warehousemen, mechanics, materialmen and
          landlords incurred in the ordinary course of business for sums not
          overdue or being diligently contested in good faith by appropriate
          proceedings and for which adequate reserves in accordance with GAAP
          shall have been set aside on its books; PROVIDED, that at no time
          shall such sums exceed in the aggregate $100,000;

               (f) Liens incurred in the ordinary course of business in
          connection with workmen's compensation, unemployment insurance or
          other forms of governmental insurance or benefits (other than ERISA),
          or to secure performance of bonds, licenses, statutory obligations,
          and performance bonds, tenders, statutory obligations, leases and
          contracts (other than for borrowed money), all other obligations of a
          like nature entered into in the ordinary course of business or to
          secure obligations on surety or appeal bonds, all other obligations of
          a like nature;

               (g) zoning and similar covenants, restrictions, easements,
          servitudes, permits, conditions, exceptions, reservations, minor
          rights, minor encumbrances, minor irregularities in title or
          conventional rights of reassignment prior to


                                       83
<PAGE>

          abandonment and similar restrictions and other similar encumbrances
          or title defects which do not materially interfere with the
          occupation, use and enjoyment by the Borrower of its assets in the
          ordinary course of business as presently conducted, or materially
          impair the value thereof for the purpose of such business;

               (h) judgment Liens in existence less than thirty (30) days after
          the entry thereof or with respect to which execution has been stayed
          or the payment of which is covered in full (subject to a customary
          deductible) by insurance maintained with responsible insurance
          companies;

               (i) deposits of cash to secure insurance in the ordinary course
          of business;

               (j) banker's liens arising by operation of law securing fees and
          costs of such banks, but not liens securing borrowed money;

               (k) Liens in favor of operators and non-operators under joint
          operating agreements or similar contractual arrangements arising in
          the ordinary course of the business of the Borrower to secure amounts
          owing, which amounts are not yet due or are being contested in good
          faith by appropriate proceedings, if such reserve as may be required
          by GAAP shall have been made therefor;

               (l) production sales agreements, division orders, operating
          agreements and other agreements customary in the oil and gas business
          for producing, processing, gathering, transporting and selling
          Hydrocarbons;

               (m) the terms any provisions of the leases, unit agreements,
          assignments and other transfer of title documents in the chain of
          title under which the Borrower acquired the relevant Properties;

               (n) any Liens securing Indebtedness, neither assumed nor
          guaranteed by the Borrower nor on which it customarily pays interest,
          existing upon real estate or rights in or relating to real estate
          acquired by the Borrower for substation, metering station, pump
          station, storage, gathering line, transmission line, transportation
          line, distribution line, or right of way purposes, and any Liens
          reserved in leases for rent and compliance with the terms of the
          leases in the case of leasehold estates, so long as no default has
          occurred in the payment or performance thereof, and to the extent that
          any such Lien referred to in this clause does not materially impair
          the use of the Properties covered by such Lien for the purposes for
          which such Properties is held by the Borrower;


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<PAGE>



              (o)   the statutory Lien to secure payment of the proceeds of
         Hydrocarbon production established by Texas Bus. & Com. Code Section
         9.319 and similar laws of other jurisdictions;

              (p)   rights reserved to or vested in any Government Agency by the
         terms of any right, power, franchise, grant, license, or permit, or by
         any provision of law, to terminate such right, power, franchise,
         grant, license, or permit or to purchase, condemn, expropriate, or
         recapture or to designate a purchaser of any of the Properties of the
         Borrower; and

              (q)   rights of a common owner of any interest in real estate,
         rights of way, or easements held by the Borrower and such common owner
         as tenant in common or through other common ownership.

         SECTION 8.2.4. FINANCIAL CONDITION.  The Borrower will not permit:

              (a)   Tangible Net Worth at any time to be less than $20,000,000,
         plus fifty percent (50%) of Consolidated Net Income (excluding the
         effects of consolidated net losses) for all Fiscal Quarters beginning
         after the Effective Date and treated as a single accounting period;

              (b)   the Current Ratio at any time, commencing on January 1,
         2000, to be less than 1.0:1.0;

              (c)   the Debt to Capitalization Ratio at any time to be greater
         than 60%; or

              (d)   the Interest Coverage Ratio to be less than 3.0:1.0.

The Borrower shall not, and shall not suffer or permit any Subsidiary to, make
any significant change in accounting treatment or reporting practices, except
as required by GAAP, or, without the consent of the Lender, such consent not to
be unreasonably withheld, change the fiscal year of the Borrower or of any
Subsidiary.

         SECTION 8.2.5. INVESTMENTS. The Borrower will not, and will not permit
any of its Subsidiaries to, make, incur, assume or suffer to exist any
Investment in any other Person, except:

              (a)   Cash Equivalent Investments;

              (b)   without duplication, Investments permitted as Indebtedness
          pursuant to SECTION 8.2.2;


                                       85
<PAGE>

              (c)   without duplication, Investments in the nature of Capital
          Expenditures;

              (d)   to the extent the formation or acquisition of any Subsidiary
          is permitted hereunder, Investments in such Subsidiary; and

              (e)   Investments permitted by SECTION 8.2.8;

PROVIDED, HOWEVER, that

              (f)   any Investment which when made complies with the
         requirements of the definition of the term "CASH EQUIVALENT INVESTMENT"
         may continue to be held notwithstanding that such Investment if made
         thereafter would not comply with such requirements; and

              (g)   no Investment otherwise permitted by CLAUSE (b) shall be
         permitted to be made if, immediately before or after giving effect
         thereto, any Default shall have occurred and be continuing.

         SECTION 8.2.6. RESTRICTED PAYMENTS, ETC. On and at all times after the
Effective Date:

              (a)   the Borrower will not, and will not permit any of its
         Subsidiaries (other than a wholly-owned Subsidiary) to, declare, pay or
         make any dividend or distribution (in cash, property or obligations) on
         any class of equity (now or hereafter outstanding) of the Borrower or
         such Subsidiary or on any options, warrants or other rights with
         respect to any interest or shares of any class of capital stock (now or
         hereafter outstanding) of the Borrower or such Subsidiary or apply any
         of its funds, property or assets to the purchase, redemption, sinking
         fund or other retirement of, any class of capital stock (now or
         hereafter outstanding) of the Borrower, or options, warrants or other
         rights with respect to any interest or shares of or in any class of
         capital stock (now or hereafter outstanding) of the Borrower or such
         Subsidiary (such dividends, distributions or applications being called
         "DISTRIBUTION PAYMENTS") other than Distribution Payments which do not
         cause the Borrower to be in violation of the Restricted Payment Tests;
         and

              (b)   the Borrower will not permit any Subsidiary to make any
         Distribution Payments other than to the Borrower; and

              (c)   the Borrower will not, and will not permit its Subsidiaries
         to, make any deposit for any of the foregoing purposes.


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<PAGE>

         SECTION 8.2.7. RENTAL OBLIGATIONS. The Borrower will not, and will not
permit any of its Subsidiaries to, enter into at any time any arrangement
(excluding oil and gas leases entered into in the ordinary course of business)
which involves the leasing by the Borrower or any Subsidiary from any lessor of
any real or personal property (or any interest therein), except arrangements
which, together with all other such arrangements which shall then be in effect,
will not require the payment of an aggregate amount of rentals by the Borrower
or any Subsidiary in excess of (excluding escalations resulting from a rise in
the consumer price or similar index) $250,000 for any Fiscal Year or $1,250,000
during the full remaining term of such arrangements; PROVIDED, HOWEVER, that
any calculation made for purposes of this SECTION 8.2.7 shall exclude any
amounts (i) required to be expended for maintenance and repairs, insurance,
taxes, assessments, and other similar charges and (ii) any amounts relating to
Capitalized Lease Obligations.

         SECTION 8.2.8. CONSOLIDATION, MERGER, ETC. The Borrower will not, and
will not permit any of its Subsidiaries to, liquidate or dissolve, consolidate
with, or merge into or with, any other partnership or corporation, unless, in
the case of such consolidation or merger, the Borrower is the surviving entity
and Principal Shareholders retain control over the Borrower. The Borrower will
not create any Subsidiary except with the prior written consent of the Lender.

         SECTION 8.2.9. ASSET DISPOSITIONS, ETC. The Borrower will not, and
will not permit any of its Subsidiaries to, sell, transfer, lease, contribute
or otherwise convey, or grant options, warrants or other rights with respect
to, all or substantially all of the assets of the Borrower or any of its
Subsidiaries in any one transaction or in any series of transactions, whether
or not related. The Borrower will not, and will not permit any of its
Subsidiaries to, sell, transfer, lease, contribute or otherwise convey, or
grant options, warrants (or other rights with respect to), less than all or any
substantial part of its assets (including accounts receivable and including any
assets sold and then leased pursuant to a "sale/leaseback" transaction) to any
Person other than

              (a)   farmouts under standard industry terms of Properties not
         holding Proven Reserves;

              (b)   abandonment of Properties not capable of producing
         Hydrocarbons in paying quantities after the expiration of their
         primary terms;

              (c)   if such assets are not Borrowing Base Properties, such
         transfer, lease, contribution or conveyance is for cash or other
         consideration having a value at least equal to the fair market value
         of such assets;

              (d)   if such assets are in the Borrowing Base, the Borrower
         complies with the terms of SECTION 3.1.2 and such sale, transfer,
         lease, contribution or


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<PAGE>

         conveyance is for cash in an amount at least equal to the fair market
         value of such assets; or

              (e)   as permitted by SECTION 2.7 of the Mortgage.

         SECTION 8.2.10. MODIFICATION OF CERTAIN DOCUMENTS. Except with respect
to amendments to Material Contracts that do not directly and materially affect
the rights of Lender under the Loan Documents, the Borrower will not amend its
Organic Documents or consent to any amendment, supplement or other modification
of any of the terms or provisions contained in, or applicable to, the Material
Contracts, in each case without the prior written consent of the Lender.

         SECTION 8.2.11. TRANSACTIONS WITH AFFILIATES. The Borrower will not,
and will not permit any of its Subsidiaries to, enter into, or cause, suffer or
permit to exist any arrangement or contract with any of its other Affiliates
unless such arrangement or contract is fair and equitable to the Borrower and
is an arrangement or contract of the kind which would be entered into by a
prudent Person in the position of the Borrower or such Subsidiary with a Person
which is not one of its Affiliates.

         SECTION 8.2.12. NEGATIVE PLEDGES, RESTRICTIVE AGREEMENTS, ETC. The
Borrower will not, and will not permit any of its Subsidiaries to, enter into
any agreement (excluding this Agreement, any other Loan Document and any
agreement governing any Indebtedness permitted by CLAUSES (b) OR (e) of SECTION
8.2.2 as in effect on the Effective Date as to the assets financed with the
proceeds of such Indebtedness) prohibiting

              (a)   the creation or assumption of any Lien upon its properties,
         revenues or assets, whether now owned or hereafter acquired (other
         than those assets subject to Liens permitted by SECTION 8.2.3(b)), or
         the ability of the Borrower or any other Obligor to amend or otherwise
         modify this Agreement or any other Loan Document; or

              (b)   the ability of any Subsidiary to make any payments, directly
         or indirectly, to the Borrower by way of dividends, advances,
         repayments of loans or advances, reimbursements of management and other
         intercompany charges, expenses and accruals or other returns on
         investments, or any other agreement or arrangement which restricts the
         ability of any such Subsidiary to make any payment, directly or
         indirectly, to the Borrower.

         SECTION 8.2.13. TAKE OR PAY CONTRACTS. Except as disclosed to the
Lender in ITEM 8.2.13 of the Disclosure Schedule, and except for reservation
charges payable for reservations of capacity in gathering systems and pipelines
incurred in the ordinary course of business on an arm's length basis for
volumes reasonably expected to be


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<PAGE>

produced from the Borrowers' Properties to be transported through such systems
and pipelines, the Borrower will not, and will not permit any of its
Subsidiaries to, enter into or be a party to any arrangement for the purchase
of materials, supplies, other property (including without limitation
Hydrocarbons), or services if such arrangement requires that payment be made by
the Borrower or such Subsidiary regardless of whether such materials, supplies,
other property, or services are delivered or furnished to it.

                                   ARTICLE IX

                               EVENTS OF DEFAULT

         SECTION 9.1. LISTING OF EVENTS OF DEFAULT. Each of the following events
or occurrences described in this SECTION 9.1 shall constitute an "EVENT OF
DEFAULT".

         SECTION 9.1.1. NON-PAYMENT OF OBLIGATIONS. The Borrower shall default
in the payment or prepayment when due of any principal of any Loan; the
Borrower shall default in the payment when due of any Reimbursement Obligation
or Hedging Obligation under a Hedging Agreement in effect between the Borrower
and the Lender or an Affiliate of the Lender; or the Borrower shall default
(and such default shall continue unremedied for a period of five (5) days) in
the payment when due of any interest on any Loan or any fee or of any other
Obligation.

         SECTION 9.1.2. BREACH OF WARRANTY. Any representation or warranty of
the Borrower or any other Obligor made or deemed to be made hereunder or in any
other Loan Document executed by it or any other writing or certificate
furnished by or on behalf of the Borrower or any other Obligor to the Lender
for the purposes of or in connection with this Agreement or any such other Loan
Document (including any certificates delivered pursuant to ARTICLE VI) is or
shall be incorrect in any material respect when made or deemed made.

         SECTION 9.1.3. NON-PERFORMANCE OF CERTAIN COVENANTS AND OBLIGATIONS.
The Borrower shall default in the due performance and observance of any of its
obligations under SECTION 3.1.2, SECTION 8.1 (other than 8.1.2, 8.1.3 and
8.1.6) or SECTION 8.2.

         SECTION 9.1.4. NON-PERFORMANCE OF OTHER COVENANTS AND OBLIGATIONS. The
Borrower or any other Obligor shall default in the due performance and
observance of any other agreement contained herein or in any other Loan
Document executed by it, and such default shall continue unremedied for a
period of fifteen (15) days after notice thereof shall have been given to the
Borrower by the Lender.

         SECTION 9.1.5.  DEFAULT ON OTHER INDEBTEDNESS.


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<PAGE>

              (a)   A default shall occur in the payment when due (subject to
         any applicable grace period), whether by acceleration or otherwise, of
         any Indebtedness (including any subordinated indebtedness permitted by
         SECTION 8.2.2 and any Hedging Agreements in effect between the
         Borrower and the Lender or any Affiliate of the Lender, but excluding
         Indebtedness described in SECTION 9.1.1) of the Borrower, any
         consolidated Subsidiary or other Obligor having a principal amount,
         individually or in the aggregate, in excess of $50,000, or a default
         shall occur in the performance or observance of any obligation or
         condition with respect to such Indebtedness if the effect of such
         default is to accelerate the maturity of any such Indebtedness or such
         default shall continue unremedied for any applicable period of time
         sufficient to permit any holder of such Indebtedness, or any trustee
         or agent for such holders, to cause such Indebtedness to become due
         and payable prior to its expressed maturity.

              (b)   A failure to pay when due any royalty, overriding royalty or
         similar interest burdening the Oil and Gas Properties of the Borrower,
         in the aggregate, in excess of $50,000.

         SECTION 9.1.6. JUDGMENTS. Any judgment, decree, arbitration award or
order for the payment of money in excess of $50,000 in excess of valid and
collectible insurance in respect thereof the payment of which is not being
disputed or contested by the insurer or insurers shall be rendered against the
Borrower, any consolidated Subsidiary, or other Obligor and either

              (a)   enforcement proceedings shall have been commenced by any
         creditor upon such judgment or order; or

              (b)   there shall be any period of ten (10) consecutive days
         during which a stay of enforcement of such judgment or order, by
         reason of a pending appeal or otherwise, shall not be in effect.

         SECTION 9.1.7. PENSION PLANS. Any of the following events shall occur
with respect to any Pension Plan

              (a)   the institution of any steps by the Borrower, any member
         of its Controlled Group or any other Person to terminate a Pension Plan
         if, as a result of such termination, the Borrower or any such member
         could be required to make a contribution to such Pension Plan, or could
         reasonably expect to incur a liability or obligation to such Pension
         Plan; or

              (b)   a contribution failure occurs with respect to any Pension
         Plan sufficient to give rise to a Lien under Section 302(f) of ERISA.


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<PAGE>

         SECTION 9.1.8. CONTROL OF THE BORROWER. Any Change in Control shall
occur.

         SECTION 9.1.9. BANKRUPTCY, INSOLVENCY, ETC. The Borrower or any other
Obligor shall

              (a)   become insolvent or generally fail to pay, or admit in
         writing its inability or unwillingness to pay, debts as they become
         due;

              (b)   apply for, consent to, or acquiesce in, the appointment of
         a trustee, receiver, sequestrator or other custodian for the Borrower
         or any other Obligor or any property of any thereof, or make a general
         assignment for the benefit of creditors;

              (c)   in the absence of such application, consent or acquiescence,
         permit or suffer to exist the appointment of a trustee, receiver,
         sequestrator or other custodian for the Borrower or any other Obligor
         or for a substantial part of the property of any thereof, and such
         trustee, receiver, sequestrator or other custodian shall not be
         discharged within sixty (60) days, PROVIDED that the Borrower and each
         other Obligor hereby expressly authorizes the Lender to appear in any
         court conducting any relevant proceeding during such 60-day period to
         preserve, protect and defend its rights under the Loan Documents;

              (d)   permit or suffer to exist the commencement of any
         bankruptcy, reorganization, debt arrangement or other case or
         proceeding under any bankruptcy or insolvency law, or any dissolution,
         winding up or liquidation proceeding, in respect of the Borrower or any
         other Obligor, and, if any such case or proceeding is not commenced by
         the Borrower or such other Obligor, such case or proceeding shall be
         consented to or acquiesced in by the Borrower or such other Obligor or
         shall result in the entry of an order for relief or shall remain for
         sixty (60) days undismissed, PROVIDED that the Borrower and each other
         Obligor hereby expressly authorizes the Lender to appear in any court
         conducting any such case or proceeding during such 60-day period to
         preserve, protect and defend its rights under the Loan Documents; or

              (e)   take any action authorizing, or in furtherance of, any of
         the foregoing.

         SECTION 9.1.10. IMPAIRMENT OF SECURITY, ETC. Any Loan Document, or any
Lien granted thereunder, shall (except in accordance with its terms), in whole
or in part, terminate, cease to be effective or cease to be the legally valid,
binding and enforceable obligation of any Obligor party thereto; the Borrower,
any other Obligor or any other party shall, directly or indirectly, contest in
any manner such effectiveness, validity, binding nature or enforceability; or
any Lien securing any Obligation shall, in whole or in


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<PAGE>

part, cease to be a perfected first priority Lien, subject only to those
exceptions expressly permitted by such Loan Document.

         SECTION 9.1.11. MATERIAL ADVERSE EFFECT. Any Material Adverse Effect
shall occur.

         SECTION 9.2. ACTION IF BANKRUPTCY. If any Event of Default described
in CLAUSES (a) through (d) of SECTION 9.1.9 shall occur with respect to the
Borrower or any other Obligor, the Commitments (if not theretofore terminated)
shall automatically terminate and the outstanding principal amount of all
outstanding Loans and all other Obligations shall automatically be and become
immediately due and payable, without notice or demand.

         SECTION 9.3. ACTION IF OTHER EVENT OF DEFAULT. If any Event of Default
(other than any Event of Default described in CLAUSES (a) through (d) of
SECTION 9.1.9 with respect to the Borrower or any other Obligor) shall occur
for any reason, whether voluntary or involuntary, and be continuing, the
Lender, may by notice to the Borrower declare all or any portion of the
outstanding principal amount of the Loans and other Obligations to be due and
payable and/or the Commitments (if not theretofore terminated) to be
terminated, whereupon the full unpaid amount of such Loans and other
Obligations which shall be so declared due and payable shall be and become
immediately due and payable, without further notice, demand or presentment,
and/or, as the case may be, the Commitments shall terminate.

         SECTION 9.4. RIGHTS NOT EXCLUSIVE. The rights provided for in this
Agreement and the other Loan Documents are cumulative and are not exclusive of
any other rights, powers, privileges or remedies provided by Applicable Law or
in equity, or under any other instrument, document or agreement now existing or
hereafter arising.

                                    ARTICLE X

                             MISCELLANEOUS PROVISIONS

         SECTION 10.1.  WAIVERS, AMENDMENTS, ETC.

              (a)   The provisions of this Agreement and of each other Loan
         Document may from time to time be amended, modified or waived, if such
         amendment, modification or waiver is in writing and consented to by the
         Borrower and the Lender. No failure or delay on the part of the Lender
         in exercising any power or right under this Agreement or any other Loan
         Document shall operate as a waiver thereof, nor shall any single or
         partial exercise of any such power or right preclude any other or
         further exercise thereof or the exercise of any other power or right.
         No notice to or demand on the Borrower in any case


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<PAGE>

         shall entitle it to any notice or demand in similar or other
         circumstances. No waiver or approval by the Lender under this
         Agreement or any other Loan Document shall, except as may be otherwise
         stated in such waiver or approval, be applicable to subsequent
         transactions. No waiver or approval hereunder shall require any
         similar or dissimilar waiver or approval thereafter to be granted
         hereunder.

              (b)   This Agreement is an amendment and restatement of, and
         replaces and supersedes the documents and agreements evidencing the
         Existing Secured Debt; PROVIDED, HOWEVER, that no right, interest,
         claim or cause of action of any kind of the respective lender which may
         have existed under such documents and agreements evidencing the
         Existing Secured Debt shall in any way be released, modified,
         compromised or waived by virtue of this Agreement superseding and
         replacing such documents and agreements.

         SECTION 10.2.  NOTICES.

              (a)   All notices and other communications provided to any party
         hereto under this Agreement or any other Loan Document shall be in
         writing and shall be hand delivered or sent by overnight courier,
         certified mail (return receipt requested), or telecopy to such party at
         its address or telecopy number set forth on the signature pages hereof
         or set forth in the Lender Assignment Notice or at such other address
         or telecopy number as may be designated by such party in a notice to
         the other parties. Without limiting any other means by which a party
         may be able to provide that a notice has been received by the other
         party, a notice shall be deemed to be duly received (a) if sent by
         hand, on the date when left with a responsible person at the address of
         the recipient; (b) if sent by telefax, on the date of receipt by the
         sender of an acknowledgment or transmission reports generated by the
         machine from which the telefax was sent indicating that the telefax was
         sent in its entirety to the recipient's telefax number.

              (b)   All such notices, requests and communications shall, when
         transmitted by overnight delivery, or faxed, be effective when
         delivered for overnight (next-day) delivery, or transmitted in legible
         form by facsimile machine, respectively, or if mailed, upon the third
         Business Day after the date deposited into the U.S. mail, or if
         delivered, upon delivery.

              (c)   Any agreement of the Lender herein to receive certain
         notices by telephone or facsimile is solely for the convenience and at
         the request of the Borrower. The Lender shall be entitled to rely on
         the authority of any Person purporting to be a Person authorized by the
         Borrower to give such notice and the Lender shall not have any
         liability to the Borrower or other Person on account of any action
         taken or not taken by the Lender in reliance upon such telephonic or


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<PAGE>

         facsimile notice. The obligation of the Borrower to repay the Loans
         shall not be affected in any way or to any extent by any failure by the
         Lender to receive written confirmation of any telephonic or facsimile
         notice or the receipt by the Lender of a confirmation which is at
         variance with the terms understood by the Lender to be contained in the
         telephonic or facsimile notice.

         SECTION 10.3. PAYMENT OF COSTS AND EXPENSES. The Borrower agrees to pay
within thirty (30) days after written demand all reasonable expenses of the
Lender (including the reasonable fees and out-of-pocket expenses of internal and
external counsel to the Lender and of local counsel, if any, who may be retained
by counsel to the Lender) in connection with

              (a)   the negotiation, preparation, execution and delivery of
         this Agreement and of each other Loan Document, including schedules and
         exhibits, and any amendments, waivers, consents, supplements or other
         modifications to this Agreement or any other Loan Document as may from
         time to time hereafter be required, whether or not the transactions
         contemplated hereby are consummated,

              (b)   the filing, recording, refiling or rerecording of the
         Mortgages, the Security Agreements, the Pledge Agreements and/or any
         Uniform Commercial Code financing statements relating thereto and all
         amendments, supplements and modifications to, and all releases and
         terminations of, any thereof and any and all other documents or
         instruments of further assurance required to be filed or recorded or
         refiled or rerecorded by the terms hereof or of the Mortgages, the
         Security Agreements and the Pledge Agreements, and

              (c)   the preparation and review of the form of any document or
         instrument relevant to this Agreement or any other Loan Document.

The Borrower further agrees to pay, and to save the Lender harmless from all
liability for, any stamp or other taxes (other than any income or franchise tax
of the Lender) which may be payable in connection with the execution or
delivery of this Agreement, the Borrowings hereunder, the issuance of the
Notes, the issuance of the Letters of Credit, or any other Loan Documents. The
Borrower also agrees to reimburse the Lender within thirty (30) days after
written demand for all reasonable out-of-pocket expenses (including attorneys'
fees and legal expenses of internal and external attorneys, and the expenses of
any accountant, engineer or other expert retained or utilized in connection
therewith) incurred by the Lender in connection with (x) the negotiation of any
restructuring or "work-out", whether or not consummated, of any Obligations and
(y) the enforcement of any Obligations. All requests for payment under this
SECTION 10.3 shall be accompanied by invoices containing reasonable details.


                                       94

<PAGE>


         SECTION 10.4. INDEMNIFICATION. In consideration of the execution and
delivery of this Agreement by the Lender and the extension of the Commitments,
the Borrower hereby indemnifies, exonerates and holds Deutsche Bank Securities
Inc., the Lender, any Issuer and each of their respective affiliates and each of
their respective officers, directors, employees and agents (collectively, the
"INDEMNIFIED PARTIES") free and harmless from and against any and all actions,
causes of action, suits, losses, costs, liabilities and damages, and expenses
incurred in connection therewith (irrespective of whether any such Indemnified
Party is a party to the action for which indemnification hereunder is sought),
including reasonable attorneys' fees and disbursements (collectively, the
"INDEMNIFIED LIABILITIES"), incurred by the Indemnified Parties or any of them
as a result of, or arising out of, or relating to

               (a) this Agreement, any Loan Document or any document
          contemplated by or referred to herein;

               (b) any transaction financed or to be financed in whole or in
          part, directly or indirectly, with the proceeds of any Loan, including
          any Acquisition, or the use of any Letter of Credit;

               (c) any investigation, litigation or proceeding related to any
          acquisition or proposed acquisition by the Borrower or any of its
          Subsidiaries of all or any portion of the stock or assets of any
          Person, whether or not the Lender is party thereto;

               (d) any investigation, litigation or proceeding related to any
          environmental cleanup, audit, compliance or other matter relating to
          any Environmental Law or the condition of any facility or Property
          owned, leased or operated by the Borrower or any of its Subsidiaries;

               (e) the presence on or under, or the escape, seepage, leakage,
          spillage, discharge, emission, discharging or releases from, any
          facility or Property owned, leased or operated by the Borrower or any
          of its Subsidiaries thereof of any Hazardous Material (including any
          losses, liabilities, damages, injuries, costs, expenses or claims
          asserted or arising under any Environmental Law), regardless of
          whether caused by, or within the control of, the Borrower or any of
          its Subsidiaries; or

               (f) any misrepresentation, inaccuracy or breach in or of SECTION
          7.17 or SECTION 8.1.6,

except for any such Indemnified Liabilities arising for the account of a
particular Indemnified Party by reason of the relevant Indemnified Party's gross
negligence or willful misconduct. If and to the extent that the foregoing
undertaking may be


                                       95
<PAGE>

unenforceable for any reason, the Borrower hereby agrees to make the maximum
contribution to the payment and satisfaction of each of the Indemnified
Liabilities which is permissible under Applicable Law. The obligations in
this SECTION 10.4 shall survive payment of all other Obligations. At the
election of any Indemnified Party, the Borrower shall defend such Indemnified
Party using legal counsel satisfactory to such Indemnified Party in such
Person's sole discretion, at the sole cost and expense of the Borrower. All
amounts owing under this SECTION 10.4 shall be paid within thirty (30) days
after written demand.

         SECTION 10.5. SURVIVAL. The obligations of the Borrower under SECTIONS
10.3 and 10.4 shall in each case survive any termination of this Agreement, the
payment in full of all Obligations and the termination of all Commitments. The
representations and warranties made by each Obligor in this Agreement and in
each other Loan Document shall survive the execution and delivery of this
Agreement and each such other Loan Document.

         SECTION 10.6. SEVERABILITY. Any provision of this Agreement or any
other Loan Document which is prohibited or unenforceable in any jurisdiction
shall, as to such provision and such jurisdiction, be ineffective to the extent
of such prohibition or unenforceability without invalidating the remaining
provisions of this Agreement or such Loan Document or affecting the validity or
enforceability of such provision in any other jurisdiction.

         SECTION 10.7. HEADINGS. The various headings of this Agreement and of
each other Loan Document are inserted for convenience only and shall not affect
the meaning or interpretation of this Agreement or such other Loan Document or
any provisions hereof or thereof.

         SECTION 10.8. EXECUTION IN COUNTERPARTS, EFFECTIVENESS, ETC. This
Agreement may be executed by the parties hereto in several counterparts, each of
which shall be executed by the Borrower and the Lender and be deemed to be an
original and all of which shall constitute together but one and the same
agreement. This Agreement shall become effective when counterparts hereof are
executed on behalf of the Borrower and the Lender. This Agreement is made and
entered into for the sole protection and legal benefit of the Borrower, the
Lender, the Issuer and Persons indemnified hereunder, and their permitted
successors and assigns, and no other Person shall be a direct or indirect legal
beneficiary of, or have any direct or indirect cause of action or claim in
connection with, this Agreement or any of the other Loan Documents.

         SECTION 10.9. GOVERNING LAW; ENTIRE AGREEMENT. THIS AGREEMENT, THE
NOTES AND EACH OTHER LOAN DOCUMENT (OTHER THAN THE MORTGAGES OR AS EXPRESSLY
PROVIDED IN ANY SUCH DOCUMENT) SHALL


                                       96
<PAGE>


EACH BE DEEMED TO BE A CONTRACT MADE UNDER AND GOVERNED BY THE INTERNAL LAWS
OF THE STATE OF NEW YORK. This Agreement, the Notes and the other Loan
Documents constitute the entire understanding among the parties hereto with
respect to the subject matter hereof and supersede any prior agreements,
written or oral, with respect thereto.

         SECTION 10.10. SUCCESSORS AND ASSIGNS. This Agreement shall be binding
upon and shall inure to the benefit of the parties hereto and their respective
successors and assigns; PROVIDED, HOWEVER, that:

               (a) the Borrower may not assign or transfer its rights or
          obligations hereunder without the prior written consent of the Lender;
          and

               (b) the rights of sale, assignment and transfer of the Lender are
          subject to SECTION 10.11.

         SECTION 10.11. SALE AND TRANSFER OF LOANS AND NOTES; PARTICIPATIONS IN
LOANS AND NOTES. The Lender may assign, or sell participations in, its Loans and
Commitments to one or more other Persons in accordance with this SECTION 10.11.

         SECTION 10.11.1. ASSIGNMENTS. The Lender may at any time assign and
delegate to one or more Persons, including without limitation, commercial banks
or other financial institutions (each Person to whom such assignment and
delegation is to be made, being hereinafter referred to as an "ASSIGNEE
LENDER"), all or any fraction of the Lender's total Loans and Commitments (which
assignment and delegation shall be of a constant, and not a varying, percentage
of all the Lender's Loans and Commitments) in a minimum aggregate amount of
$1,000,000 (or the entire remaining amount of the Lender's Loans and
Commitments); PROVIDED, HOWEVER, that the Lender is required at all times to
maintain Loans, Letter of Credit Outstandings and Commitments hereunder in an
aggregate amount of $1,000,000 (unless the Lender shall have reduced its Loans,
Letter of Credit Outstandings and Commitments to zero); PROVIDED, FURTHER,
HOWEVER, that the Borrower and each other Obligor shall be entitled to continue
to deal solely and directly with the Lender in connection with the interests so
assigned and delegated to an Assignee Lender until

                  (a) written notice of such assignment and delegation, together
         with payment instructions, addresses and related information with
         respect to such Assignee Lender, shall have been given to the Borrower
         by the Lender and such Assignee Lender,

                  (b) such Assignee Lender shall have executed and delivered to
         the Borrower and the Lender a Lender Assignment Notice, accepted by the
         Lender, and


                                       97
<PAGE>

                  (c) the processing fees described below shall have been paid.

From and after the date that the Assignee Lender delivers such Lender Assignment
Notice, (x) the Assignee Lender thereunder shall be deemed automatically to have
become a party hereto and to the extent that rights and obligations hereunder
have been assigned and delegated to such Assignee Lender in connection with such
Lender Assignment Notice, shall have the rights and obligations of a Lender
hereunder and under the other Loan Documents, and (y) the assignor Lender, to
the extent that rights and obligations hereunder have been assigned and
delegated by it in connection with such Lender Assignment Notice, shall be
released from its obligations hereunder and under the other Loan Documents.
Within five (5) Business Days after its receipt of notice that the Lender has
received an executed Lender Assignment Notice and the Borrower has received from
the Lender execution copies of appropriate Notes, the Borrower shall execute and
deliver to the relevant Assignee Lender new Notes evidencing such Assignee
Lender's assigned Loans and Commitments and, if the assignor Lender has retained
Loans and Commitments hereunder, replacement Notes in the principal amount of
the Loans and Commitments retained by the assignor Lender hereunder (each such
Note to be in exchange for, but not in payment of, the corresponding Note then
held by such assignor Lender). The assignor Lender shall mark the predecessor
Note "exchanged" and deliver it to the Borrower. Accrued interest on that part
of the predecessor Note evidenced by the new Notes, and accrued fees, shall be
paid as provided in the Lender Assignment Notice. Accrued interest on that part
of the predecessor Note evidenced by the replacement Notes shall be paid to the
assignor Lender. Accrued interest and accrued fees shall be paid at the same
time or times provided in the predecessor Notes and in this Agreement. Such
assignor Lender or such Assignee Lender must also pay a processing fee to the
Lender upon delivery of any Lender Assignment Notice in the amount of $2,500.
Any attempted assignment and delegation not made in accordance with this SECTION
10.11.1 shall be null and void. Nothing contained in this Agreement shall
prohibit any Lender from pledging or assigning any Note to any Federal Reserve
Bank in accordance with Applicable Law.

         SECTION 10.11.2. PARTICIPATIONS. The Lender may at any time sell to one
or more Persons, including without limitation, commercial banks or other
financial institutions (each of such Persons being herein called a
"PARTICIPANT") participating interests in any of the Loans, Commitments, or
other interests of the Lender hereunder; PROVIDED, HOWEVER, that

                  (a) no participation contemplated in this SECTION 10.11.2
         shall relieve the Lender from its Commitments or its other obligations
         hereunder or under any other Loan Document,


                                       98
<PAGE>

                  (b) the Lender shall remain solely responsible for the
         performance of its Commitments and such other obligations,

                  (c) the Borrower and each other Obligor shall continue to deal
         solely and directly with the Lender in connection with the Lender's
         rights and obligations under this Agreement and each of the other Loan
         Documents, and

                  (d) the Borrower shall not be required to pay any amount under
         SECTION 5.2 or SECTION 10.3 that is greater than the amount which it
         would have been required to pay had no participating interest been
         sold.

The Borrower acknowledges and agrees that each Participant, for purposes of
SECTIONS 5.1 and 5.2 (except as provided in SECTION 10.11.2(d)), 10.3 and 10.4,
shall be considered a Lender.

         SECTION 10.11.3. MODIFICATIONS FOR OTHER LENDERS. In the event that the
Lender assigns an interest pursuant to this SECTION 10.11, the Lender and the
Borrower agree to enter into such modifications and amendments to this Agreement
and the other Loan Documents as are necessary or advisable to confirm that the
Lender shall act as agent for itself and the Assignee Lenders.

         SECTION 10.12. FORUM SELECTION AND CONSENT TO JURISDICTION. ANY
LITIGATION BASED HEREON, OR ARISING OUT OF, UNDER, OR IN CONNECTION WITH, THIS
AGREEMENT OR ANY OTHER LOAN DOCUMENT, OR ANY COURSE OF CONDUCT, COURSE OF
DEALING, STATEMENTS (WHETHER ORAL OR WRITTEN) OR ACTIONS OF THE LENDER OR THE
BORROWER SHALL BE BROUGHT AND MAINTAINED IN THE COURTS OF THE STATE OF NEW YORK
OR IN THE UNITED STATES DISTRICT COURT FOR THE SOUTHERN DISTRICT OF NEW YORK;
PROVIDED, HOWEVER, THAT ANY SUIT SEEKING ENFORCEMENT AGAINST ANY COLLATERAL OR
OTHER PROPERTY MAY BE BROUGHT, AT THE LENDER'S OPTION, IN THE COURTS OF ANY
JURISDICTION WHERE SUCH COLLATERAL OR OTHER PROPERTY MAY BE FOUND. THE BORROWER
[AND THE LENDER EACH] HEREBY EXPRESSLY AND IRREVOCABLY SUBMITS TO THE
JURISDICTION OF THE COURTS OF THE STATE OF NEW YORK AND OF THE UNITED STATES
DISTRICT COURT FOR THE SOUTHERN DISTRICT OF NEW YORK FOR THE PURPOSE OF ANY SUCH
LITIGATION AS SET FORTH ABOVE AND IRREVOCABLY AGREES TO BE BOUND BY ANY JUDGMENT
RENDERED THEREBY IN CONNECTION WITH SUCH LITIGATION. THE BORROWER FURTHER
IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS BY REGISTERED MAIL, POSTAGE
PREPAID, OR BY PERSONAL SERVICE WITHIN OR WITHOUT THE STATE OF NEW YORK. THE
BORROWER [AND THE LENDER EACH] HEREBY EXPRESSLY AND IRREVOCABLY WAIVES, TO THE
FULLEST EXTENT PERMITTED BY LAW, ANY


                                       99
<PAGE>

OBJECTION WHICH IT MAY HAVE OR HEREAFTER MAY HAVE TO THE LAYING OF VENUE OF
ANY SUCH LITIGATION BROUGHT IN ANY SUCH COURT REFERRED TO ABOVE AND ANY CLAIM
THAT ANY SUCH LITIGATION HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. TO THE
EXTENT THAT THE BORROWER HAS OR HEREAFTER MAY ACQUIRE ANY IMMUNITY FROM
JURISDICTION OF ANY COURT OR FROM ANY LEGAL PROCESS (WHETHER THROUGH SERVICE
OR NOTICE, ATTACHMENT PRIOR TO JUDGMENT, ATTACHMENT IN AID OF EXECUTION OR
OTHERWISE) WITH RESPECT TO ITSELF OR ITS PROPERTY, THE BORROWER HEREBY
IRREVOCABLY WAIVES SUCH IMMUNITY IN RESPECT OF ITS OBLIGATIONS UNDER THIS
AGREEMENT AND THE OTHER LOAN DOCUMENTS.

         SECTION 10.13 WAIVER OF JURY TRIAL. THE LENDER AND THE BORROWER HEREBY
KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVE ANY RIGHTS THEY MAY HAVE TO A
TRIAL BY JURY IN RESPECT OF ANY LITIGATION BASED HEREON, OR ARISING OUT OF,
UNDER, OR IN CONNECTION WITH, THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT, OR ANY
COURSE OF CONDUCT, COURSE OF DEALING, STATEMENTS (WHETHER ORAL OR WRITTEN) OR
ACTIONS OF THE LENDER OR THE BORROWER. THE BORROWER ACKNOWLEDGES AND AGREES THAT
IT HAS RECEIVED FULL AND SUFFICIENT CONSIDERATION FOR THIS PROVISION (AND EACH
OTHER PROVISION OF EACH OTHER LOAN DOCUMENT TO WHICH IT IS A PARTY) AND THAT
THIS PROVISION IS A MATERIAL INDUCEMENT FOR THE LENDER ENTERING INTO THIS
AGREEMENT AND EACH SUCH OTHER LOAN DOCUMENT.


                                       100
<PAGE>


         SECTION 10.14 NOTICE THIS WRITTEN AGREEMENT TOGETHER WITH THE OTHER
LOAN DOCUMENTS REPRESENTS THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE
CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS
OF THE PARTIES.

THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their respective officers thereunto duly authorized as of the day
and year first above written.

                           ESENJAY EXPLORATION, INC.,

                           a Delaware corporation

                           By_______________________________
                               Name:  David E. Christofferson
                               Title: Senior Vice President

                           All notices should be sent to:

                                             One Allen Center
                                             500 Dallas Street, Suite 2920
                                             Houston, Texas 77002
                                             Fax: (713) 739-7124

                                             1100 CCNB Center South
                                             500 N. Water Street,
                                             Suite 1100
                                             Corpus Christi, Texas 78471
                                             Fax: (512) 883-3244


                                       101
<PAGE>


                                  DEUTSCHE BANK AG, New York Branch
                                  and/or Cayman Islands Branch

                                  By:________________________________
                                  Name:______________________________
                                  Title:_____________________________

                                  By:________________________________
                                  Name:______________________________
                                  Title:_____________________________

                                  Address: c/o Deutsche Bank AG, New York Branch
                                           31 West 52nd Street
                                           New York, New York 10019

                                   All notices should be sent to:

                                       Deutsche Bank AG
                                       c/o Deutsche Bank Securities Inc.
                                       Attn: John H. Homier
                                       909 Fannin Street, Suite 3000
                                       Houston, Texas 77010
                                       Fax: (713) 759-6708





<PAGE>



                            EXHIBIT 11 TO FORM 10-KSB

     COMPUTATION OF EARNINGS PER COMMON SHARE AND COMMON SHARE EQUIVALENTS
<TABLE>
<CAPTION>
                                                                                    Year Ended December 31,
                                                                              ------------------------------------
                                                                                   1999                1998
                                                                              ----------------    ----------------
<S>                                                                           <C>                 <C>
BASIC EARNINGS PER SHARE
Weighted average common shares outstanding................................         16,612,314           9,882,227
                                                                              ================    ================
    Basic loss per share..................................................      $       (0.62)      $       (2.97)
                                                                              ================    ================

DILUTED EARNINGS PER SHARE
Weighted average common shares outstanding................................         16,612,314           9,882,227
Shares issuable from assumed conversion of
       convertible preferred stock........................................             96,830                 ---
Shares issuable from assumed conversion of
    common share options and warrants.....................................             10,437              40,123
                                                                              ----------------    ----------------
Weighted average common shares outstanding, as adjusted...................         16,719,581           9,882,227
                                                                              ================    ================
    Diluted loss per share................................................      $       (0.61)      $       (2.96)
                                                                              ================    ================

EARNINGS FOR BASIC AND DILUTED COMPUTATION
Net income................................................................      $ (10,250,238)      $ (29,321,347)
Preferred shares dividend.................................................                ---             (48,138)
                                                                              ----------------    ----------------
Net income to common shareholders (basic and diluted
    earnings per share computation).......................................      $ (10,250,238)      $ (29,369,485)
                                                                              ================    ================

</TABLE>

This calculation is submitted in accordance with Regulation S-K; although it is
contrary to paragraphs 13 through 16 of the Financial Accounting Standards
Board's Statement of Financial Standard No. 128, because it produces an
antidilutive result.


                                        56


<PAGE>



                            EXHIBIT 21 TO FORM 10-KSB

The subsidiaries of the Registrant are:

Name                                                    State of Incorporation
- ----                                                    ----------------------
Frontier Acquisition Corp.                                     Oklahoma


                                        57


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                       2,598,047
<SECURITIES>                                         0
<RECEIVABLES>                                7,597,246
<ALLOWANCES>                                 (519,137)
<INVENTORY>                                          0
<CURRENT-ASSETS>                            13,979,316
<PP&E>                                      80,120,781
<DEPRECIATION>                            (25,937,472)
<TOTAL-ASSETS>                              68,932,835
<CURRENT-LIABILITIES>                       30,522,690
<BONDS>                                      4,750,000
                                0
                                      3,570
<COMMON>                                       188,377
<OTHER-SE>                                  32,140,803
<TOTAL-LIABILITY-AND-EQUITY>                68,932,835
<SALES>                                      9,781,352
<TOTAL-REVENUES>                            12,566,165
<CGS>                                                0
<TOTAL-COSTS>                               22,816,403
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             871,501
<INCOME-PRETAX>                           (10,250,238)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                       (10,250,238)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                              (10,250,238)
<EPS-BASIC>                                     (0.62)
<EPS-DILUTED>                                   (0.62)


</TABLE>


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