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                                                                    EXHIBIT 10.1

                              MANAGEMENT AGREEMENT

                                 BY AND BETWEEN

                          NATIONAL ENERGY GROUP, INC.

                                      AND

                           TRANSTEXAS GAS CORPORATION

     This Management Agreement (the "Agreement") is made this 28th day of
August, 2003 by and between National Energy Group, Inc., a Delaware corporation
("NEG") and TransTexas Gas Corporation. a Delaware corporation ("TransTexas"),
referred to herein individually as a "Party" or collectively as "Parties."

                                  WITNESSETH:

     WHEREAS, NEG and TransTexas are each engaged in the oil and natural gas
exploration, development and production business; and

     WHEREAS, TransTexas has filed for protection under Chapter 11, Title 11 of
the United States Code in the United States Bankruptcy Court for the Southern
District of Texas (the "Bankruptcy Court") designated as Case No. 02-21926; and

     WHEREAS, subject to Bankruptcy Court approval, TransTexas desires to engage
NEG to provide management and administrative services with respect to
TransTexas's oil and gas operations and certain other matters as more fully
described herein.

     NOW THEREFORE, in consideration of the mutual covenants contained herein
and other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledge, the Parties agree as follows:

                                   ARTICLE I

                                  DEFINITIONS

     1.1  Defined Terms.  The following terms, when used herein, shall have the
meanings set forth below:

     "Administrative Services" means the services to be rendered by NEG as
described in Section 2.2 below.

     "AEI" has the meaning provided in Section 4.1.B below.

     "Affiliate" means, with respect to a person or entity, any person or entity
that directly or indirectly through one or more intermediaries controls, is
controlled by, or is under common control with such person, and the term
"control" means the possession, directly or indirectly, of the power to direct
or cause the direction of the management, activities or policies of any person
or entity.

     "Affiliated Transactions" has the meaning provided in Section 4.2 below.

     "Agreement" means this Agreement, as it may be amended from time to time,

     "Business" means TransTexas's business activities during the term of this
Agreement.

     "Effective Date of this Agreement" means the "Effective Date" of the Plan,
as such term is defined in the Plan.

     "Material Decisions" has the meaning set forth in Section 2.5 herein.

     "NEG" has the meaning set forth in the above preamble.

     "Non-Public Information" means all information and records furnished by
TransTexas with respect to its business and properties, together with any
reports, analyses, summaries, spreadsheets, evaluations, memoranda or other
documents prepared or generated by NEG or its consultants or agents on the basis
of such information, whether in written, graphic, electronic or any other
format, except to the extent such information
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(a) was already in NEG's possession prior to the time of disclosure to NEG by
TransTexas or its agents, (b) was or becomes generally available to the public
other than as a result of a disclosure by NEG or NEG's representatives, (c)
becomes available to NEG on a non-confidential basis from a source other than
TransTexas or its agents, provided that such source is not known by NEG to be
bound by a confidentiality agreement with TransTexas or otherwise prohibited
from disclosing the information to NEG by a contractual, legal or fiduciary
obligation. Such information includes, but is not limited to, seismic data,
reserve reports, prospect analyses, and privileged attorney-client
communications.

     "Oil and Gas Operations" means the operations to be conducted by NEG on
behalf of TransTexas as described in Section 2.3 below.

     "Plan" means the Creditor's Joint Plan Of Reorganization For Debtors Under
Chapter 11 of the Bankruptcy Code Submitted By High River Limited Partnership
("High River")to the Bankruptcy Court on June 27, 2003 in Case No. 02-21926, and
all exhibits and schedules annexed thereto or referred to therein, as such may
be amended, modified or supplemented from time to time.

     "Services" means (i) the Administrative Services described in Section 2.2
below and (ii) the Oil and Gas Operations functions described in Section 2.3
below.

     "Term" has the meaning provided in Section 8.1 below.

     "Termination Date" has the meaning provided in Section 8.1 below.

     "TransTexas" has the meaning set forth in the above preamble.

                                   ARTICLE II

                                  NEG SERVICES

     2.1  NEG Services.  On the Effective Date, NEG shall perform the following
Services on behalf of TransTexas:

          A. Standard of Care.  During the Term of this Agreement and on the
     terms and conditions set forth herein, NEG shall perform the Services in
     Good Faith and using that degree of care and skill which (i) with respect
     to the Administrative Services, is not less than that usually and
     customarily observed by publicly traded corporations; and (ii) with respect
     to the Oil and Gas Operations, is not less than that usually and
     customarily observed in the oil and gas industry (and with respect to NEG's
     operation of TransTexas's Operated Properties, is consistent with that
     degree of care and skill which would be employed by a reasonably prudent
     operator).

          B. Compliance.  NEG shall perform the Services (i) in compliance with
     the Articles of Incorporation and Bylaws of TransTexas; and (ii) in
     compliance in all material respects with applicable federal, state,
     provincial and local laws. NEG shall comply with all contracts, leases,
     orders, security instruments and other agreements to which TransTexas is a
     party or by which TransTexas or any of its property is bound, whether now
     existing or hereafter arising (as the same may be amended, modified or
     restated, the "TransTexas Agreements") except to the extent otherwise
     approved by the Board of Directors of TransTexas and authorized by the
     Bankruptcy Court. Notwithstanding the foregoing, NEG shall perform the
     obligations and services required under such governmental laws and
     requirements and/or TransTexas Agreements using its own personnel and/or
     consultants as provided herein and not be required to incur any liability
     to any third party to assure compliance with such governmental laws and
     requirements and/or TransTexas Agreements; provided that NEG shall timely
     notice TransTexas and the Bankruptcy Court of any payments or obligations
     under any such laws, requirements or arrangements to enable TransTexas or
     the Bankruptcy Court to satisfy any such obligation, file an appropriate
     Bankruptcy Court motion, or seek a Bankruptcy Court protective order.

          C. Performance of Obligations.  NEG shall perform the Services
     provided herein separate and apart from the administrative services and
     operations undertaken on its own behalf or on behalf of third parties.
     Subject to the approval of the TransTexas Board of Directors and to any
     applicable requirements under the Plan, NEG shall administer the cash
     management system of TransTexas as approved by the Bankruptcy Court,
     whereby the Business of TransTexas may be conducted on a daily basis in the
     ordinary
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     course. Notwithstanding anything to the contrary contained herein, NEG
     shall not be obligated to expend its own funds, or undertake any liability,
     future obligations or guaranty for payment on behalf of TransTexas, except
     with respect to payments made to NEG personnel.

          D. Authority of NEG.  Pursuant to and in accordance with, and except
     as limited by, the terms of this Agreement, NEG shall be responsible for
     and have authority with respect to the day to day management and operation
     of TransTexas's Business, including, without limitation, organization and
     human resources, marketing and sales, logistics, administration,
     production, drilling, finance and accounting; provided, however, that if
     TransTexas shall give notice of termination as provided in Section 8.1 of
     this Agreement, such authorization shall cease upon the giving of such
     notice and all further activities of NEG through the termination date shall
     be subject to the approval by TransTexas's Board of Directors. To the
     extent the transfer of any funds of TransTexas is necessary or appropriate
     in connection therewith, NEG shall keep a record of same in writing
     together with backup detail (i) indicating the purpose of the requested
     payment and (ii) sufficient to determine that the requested payment is not
     in respect of a Material Decision or that such Material Decision has been
     approved as provided in Section 2.5 hereof. Notwithstanding anything to the
     contrary set forth in this Section, NEG shall not function as a "Disbursing
     Agent" as such term is defined in the Plan.

     2.2  Conduct of Administrative Services.  NEG shall perform the following
administrative services and functions for and on behalf of TransTexas:

          A. Administrative.  All management and administrative services as may
     be required for the reasonable conduct of TransTexas's Business as
     presently or hereafter conducted (the "Administrative Services").
     Throughout the Term, NEG shall maintain, for the benefit of TransTexas and
     at TransTexas's expense (and in the name of TransTexas as the owner of such
     policies), insurance coverages that are usual and customary in the oil and
     gas industry and consistent with past practices of TransTexas and the
     requirements of any TransTexas Agreements. Such coverages shall include but
     not be limited to the following: Commercial General Liability Insurance,
     Excess/Umbrella Liability Insurance, Control of Well Insurance, "All Risk"
     Property Insurance, Operator's Extra Expense Insurance, Directors and
     Officers Liability Insurance and other insurance coverages as may be deemed
     necessary and appropriate;

          B. Professionals, Consultants Etc.  Subject to the approval of the
     Board of Directors and the Bankruptcy Court, making such arrangements with
     and employing, at the expense and for the benefit of TransTexas, such
     accountants, attorneys, banks, transfer agents, custodians, underwriters,
     insurance companies and other persons as may from time to time be
     reasonably necessary for the conduct of TransTexas's business; excluding
     the selection and employment of TransTexas's independent auditors,
     bankruptcy counsel, counsel to TransTexas's Board of Directors and other
     professionals related thereto, which authority shall be specifically
     retained by TransTexas; and

          C. Other.  Such other administrative functions as are routinely and
     customarily conducted in the ordinary course of business by corporations
     engaged in oil and gas exploration and production.

     2.3  Conduct of Oil and Gas Operations.  Subject to the provisions of
Section 2.5 respecting Material Decisions, NEG shall perform the following
functions or cause the following Oil and Gas Operations functions to be
performed on behalf of TransTexas:

          A. Land.  Maintenance of land records, including, but not limited to,
     maintenance of records relating to lease and well names, numbers, status,
     and locations, payment of lessor's royalties, shut-in and delay rentals and
     other lease maintenance functions, preparation and maintenance of division
     orders, payment of overriding royalties, net profits interests, production
     payments, royalties and any other payments due out of production
     attributable to TransTexas's properties;

          B. Well.  Well performance reviews, including, but not limited to,
     preparation and review of, and making of recommendations and elections with
     respect to, proposals for drilling, completion, workovers, or other
     operations with respect to the wells, preparation and submission of
     regulatory applications, compliance with plugging and abandoning
     requirements, making of recommendations and decisions concerning equipment
     requirements, and, where applicable, monitoring of the operator's
     performance of such activities with respect to the wells;
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          C. Engineering.  Engineering and general oil field operations
     including, but not limited to, evaluation of outside proposals for
     exploration and exploitation of oil and gas properties, reserve evaluations
     and production forecasting, AFE costs, joint interest billings, and
     invoices, preparation and fling of regulatory reports, monitoring of
     allowables, monitoring of well profitability, and pursuit of opportunities
     for enhancement of existing oil and gas production;

          D. Geological and Geophysical.  Geological and seismic operations,
     including, but not limited to, acquisition, processing and interpretation
     of seismic data (whether internally or externally generate), and evaluation
     of internally and externally developed proposals and review of logs,
     isopach maps, and structure maps;

          E. Acquisitions and Divestitures.  Identification of, and, with
     respect to Material Decisions, making of recommendations to Board of
     Directors and the Bankruptcy Court with respect to acquisition or
     disposition of existing or hereafter acquired properties of TransTexas,
     including, but not limited to, lease purchases, acreage trades, farm out,
     and farmins, and other arrangements relating to the acquisition or
     disposition of properties;

          F. Marketing.  Contracting for the gathering, treating, processing,
     transportation and sale of oil, gas and other hydrocarbons produced from or
     attributable to TransTexas's properties (including, but not limited to, gas
     balancing with respect thereto) and collection of revenue from such sales;

          G. Operations.  Performance of TransTexas's duties as well or lease
     operator, where applicable, including, but not limited to, all bonding and
     escrow requirements as set out by the appropriate regulatory agencies or
     bonding companies.

          H. Contracts.  Contract negotiation, administration, and review,
     including, but not limited to, joint operating agreements, farm outs,
     farmins, and production sale agreements;

          I. Accounting.  Payment and collection of operating expenses,
     including, but not limited to, joint interest billings; revenue
     disbursements; and budgeting and forecasting of capital and operating
     revenues and expenses;

          J. Purchasing.  Procurement in the ordinary course of business of
     equipment, supplies and other goods and services reasonably necessary for
     the efficient day to day operation of the Business;

          K. Compliance.  Regulatory compliance, including, but not limited to,
     (i) application for, or maintenance of, and compliance with all required
     governmental permits and authorizations with respect to TransTexas's
     preparation and filing of all applications, reports, notices, and other
     regulatory filings or reports required by any federal, state, or local
     authority with respect to TransTexas's properties or Business; provided,
     however, that all such regulatory filings (other than ministerial filings
     and reports in the ordinary course of business) shall be approved and, if
     necessary, executed by a member of the TransTexas Board of Directors and,
     if applicable, approved by an order of the Bankruptcy Court; and (ii)
     participation in hearings and other administrative proceedings on behalf of
     TransTexas, subject to the advice and consent of the Board of Directors, or
     a delegated officer thereof, and, if applicable, approved by an order of
     the Bankruptcy Court; and

          L. Other.  Such other functions as are usually and customarily
     performed by an oil and gas exploration and production company not
     heretofore enumerated in this Section 2.3.

     2.4  Duties Retained by TransTexas.  Notwithstanding the retention of NEG
to perform the Services in connection with the oil and gas operations of
TransTexas, it is expressly understood and agreed that TransTexas, acting
through its Board of Directors or its designated officer, shall retain all
responsibility and authority for execution on behalf of TransTexas of all such
contracts, agreements, assignments, documents, TransTexas Agreements and other
instruments as may be useful or necessary in the conduct of TransTexas's
Business during the term hereof. Further, NEG shall not take title to any
properties owned by TransTexas as of the date hereof, and with respect to
properties subsequently acquired on behalf of TransTexas, NEG shall either take
title in TransTexas's name or assign, or cause to be assigned, record title to
TransTexas within a reasonable time thereafter.
<PAGE>

     2.5  Material Decisions.  Except in the ordinary course of business, NEG
shall not make any commitment on behalf of TransTexas without the prior majority
approval of the three independent Members of the Board of Directors, as defined
and mandated by the TransTexas Certificate of Incorporation if the commitment (a
"Material Decision") would:

          (i) obligate TransTexas to any expenditure or liability not provided
     for in a budget previously adopted by the Board of Directors of TransTexas;

          (ii) obligate TransTexas to sell or dispose of an asset or group of
     assets;

          (iii) obligate TransTexas to sell oil, gas or other hydrocarbons
     produced from or attributable to TransTexas's properties under a contract
     having a term longer than one (1) year, or any "hedging" or "swap"
     agreements relating to the production or sale of TransTexas hydrocarbons;

          (iv) place a lien, security interest, mortgage, pledge, production
     payment, or other encumbrance upon any of TransTexas's properties (other
     than such liens and security interests as arise in the ordinary course of
     TransTexas's business, including liens arising by operation of law, under
     joint operating agreements, or under mechanics and materialmen's lien
     laws);

          (v) initiate or compromise any litigation or threatened litigation
     matter involving potential rights or liabilities of TransTexas;

          (vi) determine the compensation of any TransTexas officers; or

          (vii) change TransTexas' AEI, as set forth in Section 4.1.B of this
     Agreement.

     2.6  Record-Keeping and Reporting.

          A. Reporting to the Board of Directors and the Bankruptcy Court.  NEG
     shall prepare or cause to be prepared and shall submit to the Board of
     Directors of TransTexas the following information and reports:

             1. Annually: Budget for operations and capital expenditures.

             2. Monthly: Activity report for oil and gas operations and cash
        flows.

             3. At each meeting of the Board of Directors:

                a. A report containing information relevant to any Material
           Decision, together with NEG's recommendation with respect thereto and
           reasons therefor, and a summary of actions taken pursuant to Material
           Decisions since the preceding meeting of the Board of Directors; and

                b. Such other reports and information as the TransTexas Board of
           Directors may reasonably request.

             4. Drafts of all required federal, state and local tax returns.

             5. Monthly operating reports and other reports and filings
        requested or required by the Bankruptcy Court.

          B. Reporting to Third Parties.  NEG shall prepare and submit to the
     Board of Directors of TransTexas for approval, for review, comment and
     execution, such reports and information to third parties (including
     regulatory authority, joint interest owners and institutional investors) as
     may be required by applicable law or TransTexas's contracts with such third
     parties.

          C. Maintenance of Books and Records.  NEG shall maintain the books and
     records of TransTexas in accordance with applicable laws and with generally
     accepted accounting principles applied on a basis consistent with the prior
     practices of TransTexas, subject in all respects to the approval
     TransTexas' Board of Directors, and the Bankruptcy Court.

     2.7  Commingling of Assets.  NEG shall separately maintain and not
commingle the assets of TransTexas with those of NEG.
<PAGE>

                                  ARTICLE III

                                NEG COMPENSATION

     3.1  Compensation.  As consideration for the performance of the obligations
contained herein, TransTexas shall pay to NEG, as NEG's sole compensation for
providing the Services described herein, a monthly fee of $312,500.

                                   ARTICLE IV

                             CONFLICTS OF INTEREST

     4.1  Corporate Opportunities.  Each of NEG and TransTexas acknowledge that
certain of their respective shareholders and members of the Boards of Directors
include Affiliates. Therefore, in order to minimize the potential for conflicts
of interest and/or the appearance thereof, each of NEG and TransTexas agree to
cooperate with the other in fully disclosing corporate interlocks pertaining to
the Services provided by NEG or the Business of TransTexas as it may relate to
their Affiliates.

          A. NEG Opportunities.  TransTexas hereby acknowledges that NEG and its
     Affiliates are actively and substantially engaged in the oil and gas
     exploration business, and agrees that, subject to the provisions of Section
     4.1.B, NEG and its Affiliates (including the officers of NEG who are
     engaged in TransTexas Business in providing the Services described herein)
     shall be free to continue to engage in such business.

          B. Area of Exclusive Interest.  Each of TransTexas and NEG agrees that
     in order to minimize the potential for conflict with respect to a corporate
     opportunity of TransTexas, an area of exclusive interest for TransTexas
     ("AEI") is hereby established as follows:

        Any and all corporate opportunities relating to the future acquisition
        or operation of oil and gas properties from whatever source derived,
        which are located within Wharton County, Jackson County and the ninety
        (90) square miles defined as Trinity Bay shall be the exclusive
        corporate opportunity of TransTexas.

          C. Survival.  The AEI provision set forth in Sections 4.1.B f this
     Agreement shall survive the termination of this Agreement for a period of
     twelve (12) months.

     4.2  Affiliated Transactions.  All transactions between NEG and its
Affiliates and TransTexas ("Affiliated Transactions") shall be on terms and
conditions at least as favorable to TransTexas as those prevailing in the oil
and gas industry for comparable transactions between unaffiliated parties.

                                   ARTICLE V

                         REPRESENTATIONS AND WARRANTIES

     5.1  Representations and Warranties of NEG.  NEG represents and warrants to
TransTexas that the following are, and at all times during the term of this
Agreement shall remain, true and correct:

          A. Organization and Authority.  NEG has all requisite power and
     capacity, is under no legal restraint, and has all necessary authority to
     enter into this Agreement and perform its obligations hereunder. NEG is a
     corporation duly organized and constituted and existing under the laws of
     the State of Delaware and is qualified to conduct business in each of the
     jurisdictions in which such qualification is necessary to perform its
     obligations hereunder. The Agreement has been duly executed and delivered
     by NEG, and the execution and delivery of this Agreement, the consummation
     of the transactions contemplated hereby and the compliance by NEG with the
     terms of this Agreement do not and will not conflict with or result in a
     breach of any terms of, or constitute a default under, the Articles of
     Incorporation or Bylaws of NEG or any other material agreement, instrument,
     writ, order, judgment or decree to which NEG is a party or is subject or by
     which it is bound. This Agreement constitutes a valid obligation of NEG
     enforceable in accordance with its terms except as limited by bankruptcy,
     insolvency, reorganization or other such laws concerning the rights of
     creditors.
<PAGE>

          B. No Claims.  To the knowledge of NEG, except with respect to such
     matters that would not, if determined adversely to NEG, have a material
     adverse effect on NEG or its ability to perform its obligations hereunder
     (i) NEG is not in default under any applicable laws or under any order of
     any court or governmental administrative body having jurisdiction, (ii)
     there are no claims, actions, suits or proceedings, pending or threatened,
     against NEG at law or in equity, or before or by any administrative body
     having jurisdiction, and (iii) no notice of any claim, action, suit or
     proceeding, whether pending or threatened, has been received. To the
     knowledge of NEG, there is no claim, litigation, action, suit or
     proceeding, administrative or judicial, pending or threatened, which seeks
     to restrain or seeks damages in connection with the consummation of the
     transactions contemplated herein.

          C. Personnel.  Except with respect to third-party legal, accounting,
     consulting and other services contemplated herein, NEG has, and at all
     times during the term of this Agreement shall have in its employ or
     available to it, personnel sufficient to enable it to perform its
     obligations hereunder.

     5.2  Representations and Warranties of TransTexas.  TransTexas represents
and warrants to NEG that the following are, and at all times during the term of
this Agreement shall remain, true and correct; provided it is specifically
understood and agreed that the representations and warranties contained herein
are subject to the jurisdiction, future orders and decrees of the Bankruptcy
Court.

          A. Organization and Authority.  TransTexas has all requisite power and
     capacity, is under no legal restraint, and has all necessary authority to
     enter into this Agreement and perform its obligations hereunder subject,
     however, to Bankruptcy Court approval. TransTexas is a corporation duly
     organized and constituted and existing under the laws of the State of
     Delaware and is qualified to conduct business in each of the jurisdictions
     in which such qualification is necessary to perform its obligations
     hereunder. The Agreement has been duly executed and delivered by
     TransTexas, and the execution and delivery of this Agreement, the
     consummation of the transactions contemplated hereby and the compliance by
     TransTexas with the terms of this Agreement do not and will not conflict
     with or result in a breach of any terms of, or constitute a default under,
     the Articles of Incorporation or Bylaws of TransTexas or any other material
     agreement, instrument, writ, order, judgment or decree to which TransTexas
     is a party or is subject or by which it is bound. This Agreement
     constitutes a valid obligation of TransTexas enforceable in accordance with
     its terms except as limited by bankruptcy, insolvency, reorganization or
     other such laws concerning the rights of creditors.

                                   ARTICLE VI

                                INDEMNIFICATION

     6.1  Indemnification by NEG.  NEG hereby agrees to defend, indemnify and
hold harmless TransTexas and its officers, directors, shareholders, employees,
agents and Affiliates (collectively, the "TransTexas Indemnitees") to the
fullest extent permitted under (i) the Certificate of Incorporation and Bylaws
of TransTexas and (ii) the laws of the State of Delaware, from any and all
threatened or actual claims, demands, causes of action, suits, proceedings,
losses, damages, fines, penalties, liabilities, costs and expenses of any
nature, including attorneys' fees and court costs (collectively, "Claims"),
sustained or incurred by or asserted against the TransTexas Indemnitees arising
from (i) the breach of this Agreement by NEG; and (ii) the gross negligence,
illegal conduct or willful misconduct of NEG in connection with the rendering of
the Services.

     6.2  Indemnification by TransTexas.  TransTexas hereby agrees to defend,
indemnify and hold harmless NEG and its officers, directors, shareholders,
employees, agents and Affiliates (collectively, the "NEG Indemnitees") to the
fullest extent permitted under (i) the Certificate of Incorporation and Bylaws
of TransTexas, (ii) the laws of the State of Delaware, and (iii) any order of
the Bankruptcy Court providing indemnification of persons engaged in the
bankruptcy proceeding from any and all threatened or actual Claims sustained or
incurred by or asserted against the NEG Indemnitees arising from (a) the breach
of this Agreement by TransTexas or (b) NEG's performance of the Services, except
to the extent TransTexas is entitled to indemnification with respect thereto
from NEG pursuant to Section 6.1 above.

     6.3  Indemnification Procedures.  A Party requesting indemnification
pursuant to this Article VI (the "Indemnified Party") shall promptly give notice
to the Party from whom indemnification is sought (the "Indemnifying Party");
provided that the failure to give such notice shall not affect the Indemnified
Party's
<PAGE>

right to indemnification, except to the extent that the Indemnifying Party is
prejudiced in its ability to defend the Claim for which indemnification is
sought, and in the event of any claim resulting from a claim or legal proceeding
by a third party, the Indemnifying Party shall defend such Claim by counsel
selected by the Indemnifying Party (provided that such counsel shall be
reasonably satisfactory to the Indemnified Party), and the Indemnifying Party
shall pay all expenses therefor. The Indemnified Party may, at its own expense,
employ separate counsel and participate in defense of such Claims.

     6.4  Survival.  The indemnification provisions of this Article VI shall
survive the termination of this Agreement for a period of the longer of four (4)
years or, in the case of any Claims involving securities laws, taxes or
environmental matters, the applicable statute of limitations or, in any case,
such other period as may be determined by the Bankruptcy Court.

                                  ARTICLE VII

                                CONFIDENTIALITY

     NEG shall maintain the confidentiality of all Non-Public Information with
respect to TransTexas, its business or its assets; provided, however, that NEG
may disclose such Non-Public Information (i) in any judicial or alternative
dispute resolution proceeding to resolve disputes between TransTexas and NEG
arising hereunder; (ii) to the extent disclosure is legally required under
applicable laws or any agreement to which TransTexas is a party or by which it
is bound, provided, however, that prior to making any legally required
disclosures in any judicial, regulatory or dispute resolution proceeding, NEG
shall, if so advised by counsel, seek a protective order or other relief to
prevent or reduce the scope of such disclosure; and (iii) to TransTexas's
existing or potential lenders, investors, joint interest owners, purchasers, or
other parties with whom TransTexas may enter into contractual relationships, to
the extent deemed by NEG to be reasonably necessary or desirable to enable it to
perform the Services, provided that NEG shall require such third parties to
execute agreements to maintain the confidentiality of the Non-Public Information
so disclosed; and (iv) if authorized by the Board of Directors of TransTexas.
NEG acknowledges that the Non-Public Information is being furnished to NEG for
the sole and exclusive purpose of enabling it to perform the Services, and the
Non-Public Information may not be used by it for any other purpose. The
provisions of this Section shall survive the termination of this Agreement.

                                  ARTICLE VIII

                              TERM AND TERMINATION

     8.1  Term.  The term of this Agreement (the "Term") shall commence at the
Effective Date and end (the "Termination Date"):

          (i) upon thirty (30) days following a written notice of termination by
     TransTexas;

          (ii) upon ninety (90) days following a written notice of termination
     by NEG;

          (iii) as may be mutually agreed between the Parties;

          (iv) thirty (30) days following any day where High River's designees
     no longer constitute a majority of the TransTexas Board of Directors unless
     the newly constituted Board agrees to waive application of this Section 8.1
     (iv); or

          (v) as otherwise determined by the Bankruptcy Court.

     8.2  In the event this Agreement shall terminate pursuant to Section 8.1 or
otherwise, NEG shall cooperate as TransTexas may reasonably request in order to
enable TransTexas to perform the Services provided by NEG hereunder; provided
that (i) NEG shall have been compensated as provided hereunder for all Services
rendered prior to such termination, and (ii) NEG shall be compensated for any
Services rendered following such termination in the same manner consistent with
the compensation described in Section 3.1 or as otherwise agreed.
<PAGE>

                                   ARTICLE IX

                      AUDIT RIGHTS AND DISPUTE RESOLUTION

     9.1  Audit Rights.  TransTexas shall have the right, at its sole cost and
expense, at any time during the Term of this Agreement, and for a period of
twenty-four (24) months following termination of this Agreement, but not more
than once in any twelve-month period, to audit, examine and make copies of or
extracts from any of the books and records of TransTexas in the possession of
NEG and, to the extent necessary to verify the performance by NEG of its
obligations under this Agreement, the books and records of NEG (the "Audit
Right"). TransTexas may exercise the Audit Right through such auditors as the
Board of Directors of TransTexas may determine in its sole discretion.
TransTexas shall (i) exercise the Audit Right only upon reasonable notice to NEG
and (ii) use reasonable efforts to conduct the Audit Right in such a manner as
to minimize the inconvenience and disruption to NEG.

     9.2  Resolution Committee.  Either Party may request at any time a finding
by the resolution committee (the "Resolution Committee") to attempt to resolve
disputes arising hereunder. The Resolution Committee shall be comprised of three
members, consisting of two (2) members designated by the TransTexas Board of
Directors and one (1) member designated by the NEG Board of Directors; provided
that the designated representatives of the TransTexas Board of Directors shall
not be Affiliates of NEG and the designated representatives of NEG shall not be
Affiliates of TransTexas. The Resolution Committee shall designate one member by
majority vote who shall act as the Chairman. The Board of Directors of either
Party may submit any dispute to the Resolution Committee by written request to
the chairman of the Resolution Committee, who shall, within twenty (20) days
thereafter call a meeting of the Resolution Committee. The Resolution Committee
shall attempt to resolve the dispute, provided, however, that the finding of the
Resolution Committee shall not be binding upon either Party unless unanimously
agreed. If within thirty (30) days after the Resolution Committee is convened,
the Resolution Committee is unable to reach a unanimous agreement on resolution
of the dispute, then either Party may pursue its legal and equitable remedies in
the Bankruptcy Court. This Section 9.2 shall survive the termination of this
Agreement.

     9.3  Attorneys' Fees and Expenses.  In any action brought by either Party
hereto to enforce the obligations of any other Party hereto, the prevailing
Party shall be entitled to collect from the opposing Party to such action such
Party's reasonable litigation costs and attorneys fees and expenses (including
court costs, reasonable fees of accountants and experts, and other expenses
incidental to the litigation).

                                   ARTICLE X

                            MISCELLANEOUS PROVISIONS

     10.1  Notices.  All notices or advices required or permitted to be given by
or pursuant to this Agreement shall be given in writing. All such notices and
advices shall be (i) delivered personally, (ii) delivered by facsimile or
delivered by U.S. Registered or Certified Mail, Return Receipt Requested mail,
or (iii) delivered for overnight delivery by a nationally recognized overnight
courier service. Such notices and advices shall be deemed to have been given (i)
the first business day following the date of delivery if delivered personally or
by facsimile, (ii) on the third business day following the date of mailing if
mailed by U.S. Registered or Certified Mail, Return Receipt Requested, or (iii)
on the date of receipt if delivered for overnight delivery by a nationally
recognized overnight courier service. All such notices and advices and all other
communications related to this Agreement shall be given as follows:

<Table>
<S>                 <C>
If to TransTexas:   To such person or persons as the Board of Directors of
                    TransTexas by resolution shall designate and in the absence
                    of such designation to each member of the Board of
                    Directors.
If to NEG:          National Energy Group, Inc.
                    Attn: Legal Department
                    4925 Greenville Avenue, Suite 1400
                    Dallas, TX 75201
                    (214) 6929211 -- Telephone
                    (214) 692-5055 -- Facsimile
</Table>
<PAGE>

or to such other address as the party may have furnished to the other parties in
accordance herewith, except that notice of change of addresses shall be
effective only upon receipt.

     10.2  Insider Trading.  TransTexas, through a public offering or otherwise,
may become or may be deemed a "publicly traded" company under the United States
securities laws, In such event, NEG acknowledges that it is aware that the
United States securities laws would prohibit any person who has material,
non-public information concerning TransTexas from purchasing or selling any
securities of TransTexas or from communicating any information to any other
person under circumstances in which it is reasonably foreseeable that such
person is likely to purchase or sell such securities, and NEG will prohibit its
employees, consultants and agents who are involved in the rendering of the
Services from engaging in any such practices.

     10.3  Governing Law.  This Agreement shall be subject to, and interpreted
by and in accordance with, the laws (excluding conflict of law provisions) of
the State of New York

     10.4  Entire Agreement.  This Agreement is the entire Agreement of the
parties respecting the subject matter hereof. There are no other agreements,
representations or warranties, whether oral or written, respecting the subject
matter hereof.

     10.5  Construction.  This Agreement, and all the provisions of this
Agreement, shall be deemed drafted by all of the Parties hereto.

     10.6  Author.  Each of the persons signing below on behalf of a Party
hereto represents and warrants that he or she has full requisite power and
authority to execute and deliver this Agreement on behalf of the Party for whom
he or she is signing and to bind such Party to the terms and conditions of this
Agreement.

     10.7  Counterparts.  This Agreement may be executed in counterparts, each
of which shall be deemed an original. This Agreement shall become effective only
when all of the Parties hereto shall have executed the original or counterpart
hereof. This Agreement may be executed and delivered by a facsimile transmission
of a counterpart signature page hereof.

     10.8  Successors and Assigns.  This Agreement may not be assigned
(including performance by subcontract) by either Party hereto. This Agreement
shall be binding upon and shall inure to the benefit of the Parties and their
respective successors.

     10.9  No Third Party Beneficiaries.  This is not a third party beneficiary
contract. No person or entity other than NEG, the NEG Indemnitees, TransTexas,
and the TransTexas Indemnitees shall have any rights under this Agreement.

     10.10  Amendments.  This Agreement may be amended or modified only in a
writing which specifically references this Agreement.

     10.11  No Waiver.  Either Party to this Agreement may decide not to
require, or fail to require, full or timely performance of any obligation
arising under this Agreement. The decision not to require, or failure of a Party
to require, full or timely performance of any obligation arising under this
Agreement (whether on a single occasion or on multiple occasions) shall not be
deemed a waiver of any such obligation. No such decisions or failures shall give
rise to any claim of estoppel, laches, course of dealing, amendment of this
Agreement by course of dealing, or other defense of any nature to any obligation
arising hereunder.

     10.12  Time of the Essence.  Time is of the essence with respect to each
obligation arising under this Agreement.

     10.13  Unenforceability.  In the event any provision of this Agreement, or
the application of such provision to any person or set of circumstances, shall
be determined to be invalid, unlawful, or unenforceable to any extent for any
reason, the remainder of this Agreement, and the application of such provision
to persons or circumstances other than those as to which it is determined to be
invalid, unlawful, or unenforceable, shall not be affected and shall continue to
be enforceable to the fullest extent permitted by law.

     10.14  Bankruptcy Court.  Whenever in this Agreement reference is made to a
requirement for, approval of or authorization by the Bankruptcy Court, such
approval or authorization shall be required for so long as the Bankruptcy Court
shall retain jurisdiction with respect to TransTexas or its assets.
<PAGE>

Dated the date first set forth above.

                                          NATIONAL ENERGY GROUP, INC.

                                          By:     /s/ PHILIP D. DEVLIN
                                            ------------------------------------
                                                      Philip D. Devlin

                                          TRANSTEXAS GAS CORPORATION

                                          By:     /s/ BOB G. ALEXANDER
                                            ------------------------------------
                                                      Bob G. Alexander<PAGE>
                                                                     EXHIBIT 4.1

                SEVENTH AMENDMENT TO CREDIT AGREEMENT AND WAIVER

      THIS SEVENTH AMENDMENT TO CREDIT AGREEMENT AND WAIVER (this "Amendment"),
dated as of September 5, 2003, is entered into among (1) ALPHA TECHNOLOGIES
GROUP, INC., a Delaware corporation (the "Borrower"), (2) the Lenders party to
the Credit Agreement referred to below and (3) UNION BANK OF CALIFORNIA, N.A.,
as administrative agent for the Lenders (in such capacity, the "Agent").

                                    RECITALS

      A. The Borrower, the Lenders and the Agent previously entered into that
certain Credit Agreement dated as of December 26, 2000, as amended by that
certain Amendment to Credit Agreement and Waiver dated as of January 28, 2002,
that certain Second Amendment to Credit Agreement and Waiver dated as of March
4, 2002, that certain Third Amendment to Credit Agreement and Waiver dated as of
July 24, 2002, that certain Fourth Amendment to Credit Agreement dated as of
September 27, 2002, that certain Fifth Amendment to Credit Agreement and Waiver
dated as of February 6, 2003 and that certain Sixth Amendment to Credit
Agreement and Waiver dated as of May 27, 2003 (as amended, the "Credit
Agreement"). Capitalized terms used herein and not defined shall have the
meanings assigned to them in the Credit Agreement.

      B. The Borrower has informed the Agent and the Lenders that it is in
default of the Maximum Leverage Ratio covenant contained in Section 6.1(a) and
the Fixed Charge Coverage Ratio covenant contained in Section 6.1(b) of the
Credit Agreement for its Third Quarter End 2003.

      C. In connection therewith, the Borrower has requested that the Lenders
(i) waive such Events of Default and (ii) modify the Maximum Leverage Ratio and
Fixed Charge Coverage Ratio covenants, (iii) reduce the Reduction Installments
due Fiscal Year End 2003 and at the end of each fiscal quarter in Fiscal Year
2004 and (iv) extend the Revolving Loan Commitment Expiration Date, as more
fully set forth herein. The Lenders have agreed to grant such waiver and make
such changes, in each case subject to the terms and conditions set forth herein.

      D. As of the date hereof, prior to the effectiveness of this Amendment,
(i) the aggregate principal amount of Revolving Loans outstanding under the
Credit Agreement is $3,200,000 and (ii) the aggregate principal amount of Term
Loans outstanding under the Credit Agreement is $19,400,000. The Aggregate
Revolving Loan Commitment is $5,000,000. There are no Letters of Credit
outstanding.

      NOW, THEREFORE, in consideration of the premises and the mutual covenants
herein contained, the parties hereto hereby agree as follows:

                                       1
<PAGE>
      SECTION 1. Amendments to and Restatements of Credit Agreement. Various
provisions of the Credit Agreement are hereby amended or restated as follows
effective as of the date first set forth above, subject to satisfaction of the
conditions precedent set forth in Section 3 below:

      (a) The definition of "Revolving Loan Commitment Expiration Date" in
Section 1.1 of the Credit Agreement is amended by replacing the date "June 30,
2004" with "January 31, 2005."

      (b) The definitions of "Applicable Margin," "Excess Cash Flow" and
"Warrant Agreements" contained in Section 1.1 of the Credit Agreement are
restated in their entirety to read as follows:

      "`Applicable Margin': for LIBOR Loans, Base Rate Loans and commitment
fees, as applicable, subject to Section 2.8(d), as set forth below:

<TABLE>
<CAPTION>
Leverage Level              LIBOR Margin               Base Rate Margin            Commitment Fee
--------------            ---------------              ----------------           ----------------
<S>                       <C>                          <C>                        <C>
1 (< or = 1.50)           2.00% per annum               0.25% per annum           0.250% per annum
2 (>1.50 < or = 2.00)     2.25% per annum               0.50% per annum           0.375% per annum
3 (>2.00 < or = 2.50)     3.00% per annum               1.25% per annum           0.500% per annum
4 (>2.50 < or = 3.00)     3.25% per annum               1.50% per annum           0.625% per annum
5 (>3.00)                 3.50% per annum               1.75% per annum           0.750% per annum
</TABLE>

; provided that, with respect to Leverage Level 5 for periods ending on and
after April 1, 2004, (i) the Applicable Margin for LIBOR Loans shall be 4.00%
per annum and (ii) the Applicable Margin for Base Rate Loans shall be 2.25% per
annum."

      "`Excess Cash Flow': for any period, for the Borrower and its Subsidiaries
on a consolidated basis, an amount equal to EBITDA for such period, less, during
such period (in each case, without duplication), (i) Interest Expense for such
period, (ii) regularly scheduled principal payments due on Indebtedness during
such period (excluding optional and mandatory prepayments due under Sections 2.4
and 2.5), including payments due with respect to the principal component of
Capitalized Lease Obligations, (iii) cash taxes paid or due and payable for such
period, (iv) cash Capital Expenditures made during such period and (v) increases
(or plus decreases) in Net Working Investment."

      "`Warrant Agreements': those certain warrants, (i) each entitled Warrant
to Purchase Shares of Common Stock, dated as of January 28, 2002, (ii) each
entitled Warrant to Purchase Shares of Common Stock, dated as of March 4, 2002
and (iii) each entitled Warrant to Purchase Shares of Common Stock, dated as of
September 5, 2003, each executed by the Borrower in favor of each Lender
existing on such respective dates, or such Lender's affiliate as determined by
such Lender, in form and substance satisfactory to the Lenders, as such warrants
may be amended, modified or restated from time to time in accordance with the
terms hereof. The aggregate fair market value and aggregate purchase price of
such warrants (i) dated as of January 28, 2002 shall be $57,359.43, (ii) dated
as of March 4, 2002 shall be $77,007.05 and (iii) dated as of September 5, 2003
shall be $122,000, which assigned values shall be apportioned on a pro-

                                       -2-
<PAGE>
rata basis in accordance with the number of shares issuable upon exercise of
each warrant. The Borrower and the initial holders of such warrants agree to use
the foregoing fair market values and purchase prices for United States federal
income tax purposes with respect to all transactions involving such warrants
(unless otherwise required by a final determination by the United States
Internal Revenue Service or a court of competent jurisdiction)."

      (c) Section 1.1 of the Credit Agreement is amended to add the following
definitions in appropriate alphabetical order:

            (i) "`Fifth Amendment': that certain Fifth Amendment to Credit
      Agreement and Waiver dated as of February 6, 2003 entered into among the
      Borrower, the Lenders and the Agent amending this Agreement."

            (ii) "`Sixth Amendment': that certain Sixth Amendment to Credit
      Agreement and Waiver dated as of May 27, 2003 entered into among the
      Borrower, the Lenders and the Agent amending this Agreement."

            (iii) "`Seventh Amendment': that certain Seventh Amendment to Credit
      Agreement and Waiver dated as of September 5, 2003 entered into among the
      Borrower, the Lenders and the Agent amending this Agreement."

      (d) Section 2.2(d) of the Credit Agreement is hereby restated in its
entirety to read as follows:

      "(d) On each date set forth below, the Borrower shall repay the principal
of the Term Notes in an aggregate amount equal to the corresponding amount set
forth below (each such amount a "Reduction Installment"):

<TABLE>
<S>                                                        <C>
                Third Quarter End 2002                        $750,000
                October 1, 2002                             $5,000,000
                Fiscal Year End 2002                          $750,000

                First Quarter End 2003                        $750,000
                Second Quarter End 2003                       $750,000
                Third Quarter End 2003                        $750,000
                Fiscal Year End 2003                          $250,000

                First Quarter End 2004                        $250,000
                Second Quarter End 2004                       $250,000
                Third Quarter End 2004                        $250,000
                Fiscal Year End 2004                          $250,000

                First Quarter End 2005                      $1,800,000
                Second Quarter End 2005                     $1,800,000
                Third Quarter End 2005                      $1,800,000
                Fiscal Year End 2005                        $1,800,000

                First Quarter End 2006                     $10,950,000
</TABLE>

                                      -3-
<PAGE>
; provided, that the final Reduction Installment paid shall be in an amount
equal to all amounts outstanding on the Term Notes. The aggregate amount payable
to any Term Loan Lender on any Term Loan reduction date set forth in this
Section 2.2(d) shall be determined in accordance with the provisions of Section
2.11."

      (e) Section 2.5(d) of the Credit Agreement is restated in its entirety to
read as follows:

      "(d) In the event that at the end of any fiscal quarter of the Borrower
ending on and after Fiscal Year End 2002 there shall exist Excess Cash Flow with
respect to such fiscal quarter, then on the date which is ten Business Days
(such date, the "Payment Date") after the earlier to occur of (i) the date upon
which unaudited financial statements of the Borrower with respect to such fiscal
quarter become available and (ii) the 45th day after the end of such fiscal
quarter, the Borrower shall prepay the Loans (and such prepayment shall be
applied as set forth in Section 2.5(f)) and, after all Loans have been prepaid,
make a Cash Collateral Deposit, in an amount equal to 90% of such Excess Cash
Flow; provided that if such fiscal quarter end is also a Fiscal Year End, (A)
"Payment Date" shall mean the date which is ten Business Days after the earlier
to occur of (i) the date upon which the audited financial statements of the
Borrower with respect to such fiscal year become available and (ii) the 90th day
after the end of such fiscal year and (B) in the event that such audited
financial statements reveal additional Excess Cash Flow with respect to any
prior quarter in such fiscal year which should have been applied as a prepayment
hereunder (such amount, an "Additional Prepayment Amount"), then the payment due
on such Payment Date shall be increased by an amount equal to such Additional
Prepayment Amount; provided, further that the foregoing reference to 90% shall
be 50% if the Maximum Leverage Ratio for the two fiscal quarters of the Borrower
immediately preceding the Payment Date was less than 1.50:1. The Borrower agrees
to provide to the Agent, concurrently with delivery of each Covenant Compliance
Certificate pursuant to Section 5.2(a), a certificate of the Borrower setting
forth its calculation of Excess Cash Flow for the applicable period (it being
understood that such certificate shall be provided regardless of whether such
calculation results in a positive or negative number)."

      (f) Sections 2.8 and 2.9 of the Credit Agreement are hereby restated in
their entirety to read as follows:

      "2.8 Interest Rates and Payment Dates. (a)Each LIBOR Loan shall bear
interest for each day during each Interest Period with respect thereto at a rate
per annum equal to the LIBOR Adjusted Rate plus the Applicable Margin. Each Base
Rate Loan shall bear interest at a rate per annum equal to the Base Rate plus
the Applicable Margin.

      (b) If any Event of Default shall have occurred and be continuing, all
amounts outstanding hereunder shall bear interest at a rate per annum equal to
the Base Rate plus 2% per annum, from the date of the occurrence of such Event
of Default until such Event of Default is no longer continuing (after as well as
before judgment).

      (c) Interest shall be payable in arrears on each Interest Payment Date;
provided, however, that interest accruing pursuant to paragraph (b) of this
Section shall be payable on demand.

                                      -4-
<PAGE>
      (d) For purposes of determining the Applicable Margin for Loans,
commitment fees and standby letter of credit fees hereunder, interest rates on
the Loans and such fees shall be calculated on the basis of the Maximum Leverage
Ratio set forth in the most recent Covenant Compliance Certificate received by
the Agent in accordance with Section 5.2(a). For accrued and unpaid interest and
fees only (no changes being made for interest or fee payments previously made),
changes in interest rates on the Loans or the rate of such fees attributable to
changes in the Applicable Margin caused by changes in the Maximum Leverage Ratio
shall be calculated upon the delivery of a Covenant Compliance Certificate, and
such change shall be effective with respect to Base Rate Loans, LIBOR Loans and
such fees from the day which is five days after receipt by the Agent of such
Covenant Compliance Certificate. If, for any reason, the Borrower shall fail to
deliver a Covenant Compliance Certificate when due in accordance with Section
5.2(a), and such failure shall continue for a period of ten days, the Leverage
Level shall be deemed to be Leverage Level 5 for such purposes, retroactive to
the date on which the Borrower should have delivered such Covenant Compliance
Certificate, and shall continue until a Covenant Compliance Certificate
indicating a different Leverage Level is delivered to the Agent.

      2.9 Computation of Interest and Fees. Interest on the Loans and all other
Obligations shall be calculated on the basis of a 360-day year for the actual
days elapsed. Each determination of an interest rate by the Agent pursuant to
any provision of this Agreement shall be conclusive and binding on the Borrower
and the Lenders in the absence of manifest error."

      (g) Sections 2.17 and 2.18 of the Credit Agreement are hereby restated in
their entirety to read as follows:

      "2.17 Unused Commitment Fee. (a) The Borrower agrees to pay to the Agent,
for the account of the Revolving Loan Lenders, an unused commitment fee to be
shared pro rata among the Revolving Loan Lenders for the period from and
including the date hereof to but excluding the Revolving Loan Commitment
Expiration Date, based on the average aggregate amount, for each day during such
period, of the Available Revolving Loan Commitment, and computed at a rate equal
to the Applicable Margin for commitment fees. Such unused commitment fees shall
be payable in installments quarterly in arrears on the last day of each March,
June, September and December and on the Revolving Loan Commitment Expiration
Date, commencing on the first such date to occur after the date hereof.

      (b) The Borrower agrees to pay to the Agent, for the account of the Term
Loan Lenders, an unused commitment fee to be shared pro rata among the Term Loan
Lenders for the period from and including the date hereof to but excluding the
date the Term Loans are funded in accordance with Section 2.2, based on the
Aggregate Term Loan Commitment, and computed at a rate equal to 0.25% per annum.
Such unused commitment fee shall be payable on the Closing Date.

      2.18 Deferred Restructuring Fee. The Borrower agrees to pay to the Agent,
for the account of those Lenders party to the Credit Agreement on the effective
date of the Fourth Amendment, a deferred restructuring fee to be shared pro rata
among such Lenders, equal to 1% of the sum of (a) the Aggregate Revolving Loan
Commitment and (ii) the outstanding principal amount of the Term Loans, in each
case as in existence as of Fiscal Year End 2004. Such fee

                                      -5-
<PAGE>
shall be deemed earned in full by such Lenders as of the effectiveness of the
Fourth Amendment, but shall not be due until Fiscal Year End 2004."

      (h) Section 6.1 of the Credit Agreement is restated in its entirety to
read as follows:

      "6.1 Financial Condition Covenants. The Borrower shall not:

      (a) Maximum Leverage Ratio. Permit the Maximum Leverage Ratio, as of the
end of any fiscal quarter of the Borrower, to exceed the following levels for
the periods indicated:

<TABLE>
<CAPTION>

       Period                                        Ratio
       ------                                        -----
<S>                                                  <C>
       Third Quarter End 2002                        5.00:1
       Fiscal Year End 2002                          4.45:1
       First Quarter End 2003                        Waived in Fifth Amendment
       Second Quarter End 2003                       Waived in Sixth Amendment
       Third Quarter End 2003                        8.50:1
       Fiscal Year End 2003                          11.00:1
       First Quarter End 2004                        11.00:1
       Second Quarter End 2004                       11.00:1
       Third Quarter End 2004                        10.30:1
       Fiscal Year End 2004                          8.1:1
       First Quarter End 2005 and thereafter         1.75:1
</TABLE>

; provided, that for purposes of calculating the covenant in this Section 6.1(a)
only, the definition of `EBITDA' shall be deemed to read as follows:

`EBITDA': for the Borrower and its Subsidiaries on a consolidated basis, for the
fiscal quarter most recently ended and the immediately preceding three fiscal
quarters, Net Income after eliminating extraordinary gains and losses, plus,
without duplication, (i) provisions for income taxes, (ii) depreciation and
amortization, (iii) Interest Expense, (iv) loan fees paid in connection with the
Loan Documents (including (x) the effect, if any, of execution of warrant
agreements in connection with the Loan Documents and (y) the amendment and
waiver fee paid pursuant to the Third Amendment, the amendment fee paid pursuant
to Section 3 of the Fourth Amendment, the amendment and waiver fee paid pursuant
to Section 3 of the Fifth Amendment, the amendment fee paid pursuant to Section
3 of the Sixth Amendment and the amendment fee paid pursuant to Section 3 of the
Seventh Amendment), (v) $250,000 in Restructuring Charges for Fiscal Year 2002,
(vi) the amount of any annual impairment charges taken by the Borrower in
connection

                                      -6-
<PAGE>
with FAS Rule 142 and (vii) consultant fees paid in connection with Tactical
Solutions, LLC's review of the Borrower.

      (b) Fixed Charge Coverage Ratio. Permit the Fixed Charge Coverage Ratio,
as of the end of any fiscal quarter of the Borrower, to be less than the
following levels for the periods indicated:

<TABLE>
<CAPTION>
        Period                                        Ratio
        ------                                        -----
<S>                                                   <C>
        Third Quarter End 2002                        1.15:1
        Fiscal Year End 2002                          1.00:1
        First Quarter End 2003                        Waived in Fifth Amendment
        Second Quarter End 2003                       Waived in Sixth Amendment
        Third Quarter End 2003                        N/A
        Fiscal Year End 2003                          N/A
        First Quarter End 2004                        0.60:1
        Second Quarter End 2004                       0.70:1
        Third Quarter End 2004                        0.70:1
        Fiscal Year End 2004                          0.85:1
        First Quarter End 2005 and thereafter         0.85:1
</TABLE>

; provided, that for purposes of calculating the covenant in this Section 6.1(b)
only,

(i) (A) the Fixed Charge Coverage Ratio for Fiscal Year End 2002 shall be based
on the fiscal quarter most recently ended and the immediately preceding two
fiscal quarters only, without reference to any other fiscal quarter; (B) the
Fixed Charge Coverage Ratio for Second Quarter End 2003 shall be based on such
respective fiscal quarter only, without reference to any other fiscal quarter;
(C) the Fixed Charge Coverage Ratio for First Quarter End 2004 shall be based on
such fiscal quarter only, without reference to any other fiscal quarter; (D) the
Fixed Charge Coverage Ratio for Second Quarter End 2004 shall be based on the
fiscal quarter most recently ended and the immediately preceding fiscal quarter
only; and (E) the Fixed Charge Coverage Ratio for Third Quarter End 2004 shall
be based on the fiscal quarter most recently ended and the immediately preceding
two fiscal quarters only; and

(ii) the definition of "EBITDA" shall be deemed to read as follows:

                                      -7-
<PAGE>
      "EBITDA": for the Borrower and its Subsidiaries on a consolidated basis,
      for the fiscal quarter most recently ended and the immediately preceding
      three fiscal quarters, Net Income after eliminating extraordinary gains
      and losses, plus, without duplication, (i) provisions for income taxes,
      (ii) depreciation and amortization, (iii) Interest Expense, (iv) loan fees
      paid in connection with the Loan Documents (including (x) the effect, if
      any, of execution of warrant agreements in connection with the Loan
      Documents and (y) the amendment and waiver fee paid pursuant to the Third
      Amendment, the amendment fee paid pursuant to Section 3 of the Fourth
      Amendment, the amendment and waiver fee paid pursuant to Section 3 of the
      Fifth Amendment, the amendment fee paid pursuant to Section 3 of the Sixth
      Amendment and the amendment fee paid pursuant to Section 3 of the Seventh
      Amendment), (v) $250,000 in Restructuring Charges for Fiscal Year 2002,
      (vi) the amount of any annual impairment charges taken by the Borrower in
      connection with FAS Rule 142 and (vii) consultant fees paid in connection
      with Tactical Solutions, LLC's review of the Borrower.

      (c) Capital Expenditures. Permit Capital Expenditures of the Borrower and
its Subsidiaries on a consolidated basis for any fiscal year to be more than (i)
for the Borrower's Fiscal Year 2002, $500,000, (ii) for the Borrower's Fiscal
Year 2003, $450,000, (iii) for the Borrower's Fiscal Year 2004, $300,000 and
(iv) for each Fiscal Year thereafter, $1,000,000 per year.

      (d) Interest Coverage. Permit the ratio of (a) EBITDA for any fiscal
quarter less actual Capital Expenditures for such fiscal quarter to (b) Interest
Expense for such fiscal quarter to be less than the following levels for the
periods indicated:

<TABLE>
<CAPTION>
             Period                                                Ratio
             ------                                                -----
<S>                                                               <C>
             Fiscal Year End 2003                                 0.70:1
             First Quarter End 2004                               1.00:1
             Second Quarter End 2004                              1.20:1
             Third Quarter End 2004                               1.20:1
             Fiscal Year End 2004                                 1.50:1
</TABLE>

      (e) Minimum EBITDA. Permit EBITDA, as of the end of each fiscal quarter,
on a year to date basis, of the Borrower indicated below, to be less than the
following amount for the periods indicated:

<TABLE>
<CAPTION>
                 Period                                        Amount
                 ------                                        ------
<S>                                                            <C>
                 Third Quarter End 2003                        $400,000
                 Fiscal Year End 2003                          $350,000
</TABLE>

                                      -8-
<PAGE>
<TABLE>
<S>                                                            <C>
                 First Quarter End 2004                          $520,000
                 Second Quarter End 2004                       $1,220,000
                 Third Quarter End 2004                        $1,730,000
                 Fiscal Year End 2004                          $2,620,000
</TABLE>

; provided, that for purposes of calculating the covenant in this Section 6.1(e)
only, Minimum EBITDA as of the end of each of Third Quarter End 2003 and Fiscal
Year End 2003 shall be based on the fiscal quarter most recently ended, without
reference to any other fiscal quarter."

      SECTION 2. Waivers.

      (a) Section 6.1(a) of the Credit Agreement requires that the Maximum
Leverage Ratio not exceed 4.90:1.00 for Third Quarter End 2003. The Borrower has
informed the Agent and the Lenders that its Maximum Leverage Ratio for such
period was 8.06:1.00. As a result of such noncompliance, an Event of Default has
occurred and is continuing under the Credit Agreement. At the Borrower's
request, the Lenders agree to waive such Event of Default, subject to the terms
and conditions set forth herein.

      (b) Section 6.1(b) of the Credit Agreement requires that the Fixed Charge
Coverage Ratio not be less than 1.10:1.00 for Third Quarter End 2003. The
Borrower has informed the Agent and the Lenders that its Fixed Charge Coverage
Ratio for such period was 0.25:1.00. As a result of such noncompliance, an Event
of Default has occurred and is continuing under the Credit Agreement. At the
Borrower's request, the Lenders agree to waive such Event of Default, subject to
the terms and conditions set forth herein.

      (c) The foregoing waivers are given in this instance only. The foregoing
waivers shall not be construed as a waiver of or consent to any violation of, or
deviation from, any other term or condition of the Credit Agreement or any other
Loan Document, nor shall such waivers be construed to evidence the willingness
of the Agent or the Lenders to give any other or additional waiver, whether in
similar or different circumstances.

      SECTION 3. Conditions Precedent. This Amendment shall become effective as
of the date first set forth above upon receipt by the Agent of the following:

      (a) this Amendment, duly executed by the Borrower and the Lenders;

      (b) evidence of the Guarantors' consent to this Amendment, substantially
in the form of Exhibit A hereto;

      (c) the warrant agreements dated as of September 5, 2003, substantially in
the form of Exhibit B hereto, duly executed by the Borrower and exercisable for
an aggregate amount of 114,020 common shares of the Borrower;

                                      -9-
<PAGE>
      (d) resolutions of the board of directors of the Borrower, authorizing
this Amendment and the warrant agreements referenced in Section 3(c) hereto,
certified by a Responsible Officer of the Borrower;

      (e) an opinion of counsel to the Borrower regarding this Amendment and the
warrant agreements referenced in Section 3(c) hereto, in form and substance
satisfactory to the Agent;

      (f) an amendment fee equal to twenty-five basis points on the sum of the
outstanding Term Loans and the Aggregate Revolving Commitment, which is $61,000,
in immediately available funds, to be shared pro rata by the Lenders executing
this Amendment on or before September 5, 2003, and all outstanding fees and
expenses of the Agent including a non-cash fee for its services in connection
herewith and legal fees incurred in connection with the negotiation, drafting
and execution of this Amendment to the extent requested by the Agent to be paid
in connection herewith; and

      (g) such other documents, agreements and opinions as the Agent or any
Lender may request.

      SECTION 4. Reference to and Effect on the Credit Agreement and the Other
Loan Documents.(a) (a) Upon the effectiveness of this Amendment, each reference
in the Credit Agreement to "this Agreement," "hereunder," "hereof" or words of
like import referring to the Credit Agreement, and each reference in the other
Loan Documents to "the Credit Agreement," "thereunder," "thereof" or words of
like import referring to the Credit Agreement, shall mean and be a reference to
the Credit Agreement, as amended and/or restated hereby.

      (b) Except as specifically amended herein, the Credit Agreement and all
other Loan Documents are and shall continue to be in full force and effect and
are hereby in all respects ratified and confirmed.

      (c) The execution, delivery and effectiveness of this Amendment shall not
operate as a waiver of any right, power or remedy of the Agent or the Lenders
under the Credit Agreement or any other Loan Documents, nor constitute a waiver
of any provision of the Credit Agreement or any other Loan Documents, except as
specifically set forth herein.

      SECTION 5. Representations and Warranties. The Borrower hereby represents
and warrants, for the benefit of the Lenders and the Agent, as follows: (i) the
Borrower has all requisite power and authority under applicable law and under
its charter documents to execute, deliver and perform this Amendment, and to
perform the Credit Agreement as amended hereby; (ii) all actions, waivers and
consents (corporate, regulatory and otherwise) necessary or appropriate for the
Borrower to execute, deliver and perform this Amendment, and to perform the
Credit Agreement as amended hereby, have been taken and/or received; (iii) this
Amendment, and the Credit Agreement, as amended by this Amendment, constitute
the legal, valid and binding obligation of the Borrower enforceable against it
in accordance with the terms hereof; (iv) the execution, delivery and
performance of this Amendment, and the performance of the Credit Agreement, as
amended hereby, will not (a) violate or contravene any material Requirement of
Law, (b) result in any material breach or violation of, or constitute a material
default under, any agreement or instrument by which the Borrower or any of its
property may be

                                      -10-
<PAGE>
bound, or (c) result in or require the creation of any Lien upon or with respect
to any properties of the Borrower, whether such properties are now owned or
hereafter acquired; (v) the representations and warranties contained in the
Credit Agreement and the other Loan Documents are correct in all material
respects on and as of the date of this Amendment, after giving effect to the
same, as though made on and as of such date; and (vi) except as discussed in
Section 2 of this Amendment, no Default has occurred and is continuing.

      SECTION 6. Additional Covenant of the Borrower. In addition to the
covenants set forth in the Credit Agreement, the other Loan Documents and this
Amendment, the Borrower hereby agrees as follows: Section 7(A) of each Warrant
Agreement provides that no later than 45 days following the Issue Date (as
defined therein), the Borrower will file a registration statement with the
Securities and Exchange Commission to effect the registration under the
Securities Act of 1933, as amended, of the shares of common stock issued or
issuable upon the exercise of such Warrant Agreements and will cause such
registration statement to become effective (the "Registration Effective Date")
as a shelf registration no later than 90 days after the Issue Date (as defined
therein). As part of the Second Amendment and with respect to the Warrant
Agreements dated as of January 28, 2002, the Lenders agreed to provide an
additional 30 days after each such compliance date, subject to the terms and
conditions set forth in the Second Amendment. Pursuant to a letter agreement
dated April 22, 2002, the Registration Effective Date was again extended to June
10, 2002. The Borrower failed to cause its registration statement to become
effective by June 10, 2002, resulting in an Event of Default under the Credit
Agreement. As part of the Third Amendment, the Lenders agreed to waive such
Event of Default, subject to the terms and conditions set forth therein and
provided that that the Borrower (i) filed its amended registration statement for
the Warrant Agreements on a date not later than February 4, 2003 and (ii) caused
such registration statement to become effective as a shelf registration on a
date not later than March 31, 2003. The Borrower failed to cause its
registration statement to become effective by March 31, 2003, resulting in an
Event of Default under the Credit Agreement. As part of the Fourth Amendment,
the Lenders agreed to waive such Event of Default, subject to the terms and
conditions set forth therein and provided that the Borrower filed its amended
registration statement for the Warrant Agreements on a date not later than March
31, 2004. The Borrower hereby agrees that it shall file its registration
statement for the Warrant Agreements issued in connection with this Amendment
and cause such registration statement to become effective as a shelf
registration on a date not later than March 31, 2004, as more fully set forth in
the Warrant Agreements delivered in connection with this Amendment.

      SECTION 7. Execution in Counterparts. This Amendment may be executed in
any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed and delivered shall be deemed to be
an original and all of which taken together shall constitute but one and the
same agreement. Delivery of an executed counterpart of a signature page to this
Amendment by telecopier shall be effective as delivery of a manually executed
counterpart of this Amendment.

      SECTION 8. Governing Law. THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF
THE PARTIES UNDER THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED AND
INTERPRETED IN ACCORDANCE WITH, THE LAW OF THE STATE OF CALIFORNIA (WITHOUT
REFERENCE TO ITS CHOICE OF LAW RULES).

                                      -11-
<PAGE>
                 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.]

                                      -12-
<PAGE>
      IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and delivered by their proper and duly authorized officers as of
the day and year first above written.

                              ALPHA TECHNOLOGIES GROUP, INC.

                              By: /s/ Lawrence Butler
                                  ----------------------------------------------
                              Name:  Lawrence Butler
                              Title: Chairman and Chief Executive Officer

                              UNION BANK OF CALIFORNIA, N.A., as Agent
                              and as a Lender

                              By: /s/ Cecilia M. Valente
                                  ----------------------------------------------
                              Name:  Cecilia M. Valente
                              Title: Senior Vice President

                              CALIFORNIA BANK & TRUST, as a Lender

                              By: /s/ Renald G. Gregoire
                                  ----------------------------------------------
                              Name:  Renald G. Gregoire
                              Title: Senior Vice President

                              IBM CREDIT LLC, as a Lender

                              By: /s/ Steven A. Flanagan
                                  ----------------------------------------------
                              Name:  Steven A. Flanagan
                              Title: Manager, Global Special Handling

                              MANUFACTURERS BANK
                              A California Banking Corporation, as a Lender

                              By: /s/ Karen Kearney
                                  ----------------------------------------------
                              Name:  Karen Kearney
                              Title: Vice President

                              U.S. BANK NATIONAL ASSOCIATION, as a Lender

                              By: /s/ Elizabeth C. Hengeveld
                                  ----------------------------------------------
                              Name:  Elizabeth C. Hengeveld
                              Title: Vice President

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