BGS SYSTEMS INC
8-K, 1998-02-03
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549



                                    FORM 8-K
                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934




               Date of Report (Date of earliest event reported):
                                JANUARY 31, 1998




                                BGS SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)



        MASSACHUSETTS                    0-12192                 04-2559993
(State or other jurisdiction        (Commission File            (IRS Employer
     of incorporation)                   Number)             Identification No.)




               ONE FIRST AVENUE, WALTHAM, MASSACHUSETTS 02254-9111
              (Address of principal executive offices and zip code)


                                 (781) 891-0000
              (Registrant's telephone number, including area code)




<PAGE>   2



ITEM 5.  OTHER EVENTS.

         On January 31, 1998, BGS Systems, Inc. ("BGS") and BMC Software, Inc.
("BMC") entered into a merger agreement (the "Merger Agreement") pursuant to
which a wholly-owned subsidiary of BMC would be merged with and into BGS (the
"Merger") and BGS will become a wholly-owned subsidiary of BMC. As consideration
for the Merger, BMC will issue to each stockholder of BGS the equivalent of $45
of BMC common stock in exchange for each share of BGS common stock held by such
stockholder, with the value of the BMC common stock being determined based on
the average of the closing sales prices of BGS common stock (rounded to the
nearest thousandth) as reported by the Nasdaq National Market for the ten
consecutive trading days ending on the third trading day prior to the meeting of
BGS stockholders held for the purpose of approving the Merger.

         Completion of the Merger is subject to a number of conditions,
including approval of the transaction by the stockholders of BGS, expiration or
early termination of the waiting period under the Hart-Scott-Rodino Antitrust
Improvements Act of 1976 and satisfaction of other customary closing conditions.

         The foregoing description of the Merger is qualified in its entirety by
reference to the Merger Agreement, a copy of which is filed herewith as 
Exhibit 2.1 and incorporated herein by reference.

         In connection with the execution of the Merger Agreement, certain
stockholders of BGS, who hold, in the aggregate, approximately 52.2% of the
outstanding common stock of BGS, entered into stockholder agreements with BMC in
which such stockholders have (i) agreed to vote their shares of BGS common stock
in favor of the Merger and (ii) granted BMC an irrevocable option to purchase
their shares of BGS common stock for $45 per share, with such option to become
exercisable by BMC upon (A) the termination of the Merger Agreement under
certain circumstances or (B) the failure of the holders of two-thirds of the
outstanding shares of BGS common stock to approve the Merger after the public
announcement of, or the disclosure to the Board of Directors of BGS of, a
competing proposal to acquire BGS. The form of stockholder agreement is filed
herewith as Exhibit 99.1.

         Also in connection with the execution of the Merger Agreement, BGS
entered into employment and non-competition agreements with Harold S. Schwenk,
Jr., its President and Chief Executive Officer, and Jeffrey P. Buzen, its Senior
Vice President and Chief Scientist. The form of these agreements is filed
herewith as Exhibit 99.2.

ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL STATEMENTS AND EXHIBITS.

         (c)   Exhibits.

               2.1   Agreement and Plan of Reorganization dated as of 
                     January 31, 1998 between BMC Software, Inc., Ranger
                     Acquisition Corp. and BGS Systems, Inc. Filed herewith. 
                     Pursuant to Item 601(b)(2) of Regulation S-K, the schedules
                     referred to in the Agreement and Plan of Reorganization are
                     omitted. The Registrant hereby undertakes to furnish
                     supplementally a copy of any omitted schedule upon request.

               99.1  Form of Stockholder Agreement between certain stockholders
                     of BGS Systems, Inc. and BMC Software, Inc. Filed herewith.



<PAGE>   3



               99.2  Form of Employment Agreement dated as of January 31, 1998
                     between BGS Systems, Inc. and each of Harold S. Schwenk,
                     Jr. and Jeffrey P. Buzen. Filed herewith.



<PAGE>   4



                                   SIGNATURES

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


Date: February 3, 1998                 BGS SYSTEMS, INC.

                                           /s/ Harold S. Schwenk, Jr.
                                       By: _________________________________
                                           Harold S. Schwenk, Jr.
                                           President and Chief Executive Officer



<PAGE>   5


                                  EXHIBIT INDEX


<TABLE>
<CAPTION>
EXHIBIT                                                               SEQUENTIAL
  NO.                           DESCRIPTION                            PAGE NO.
- -------                         -----------                           ----------
<S>       <C>                                                         <C>
2.1       Agreement and Plan of Reorganization dated as of
          January 31, 1998 between BMC Software, Inc., Ranger
          Acquisition Corp. and BGS Systems, Inc. Filed herewith.
          Pursuant to Item 601(b)(2) of Regulation S-K, the
          schedules referred to in the Agreement and Plan of
          Reorganization are omitted. The Registrant hereby
          undertakes to furnish supplementally a copy of any omitted
          schedule upon request.

99.1      Form of Stockholder Agreement between certain stockholders
          of BGS Systems, Inc. and BMC Software, Inc. Filed
          herewith.

99.2      Form of Employment Agreement dated as of January 31, 1998
          between BGS Systems, Inc. and each of Harold S. Schwenk,
          Jr. and Jeffrey P. Buzen. Filed herewith.
</TABLE>



<PAGE>   1
                                                                     EXHIBIT 2.1



                      AGREEMENT AND PLAN OF REORGANIZATION


         AGREEMENT AND PLAN OF REORGANIZATION ("Agreement"), dated as of
January 31, 1998, by and among BMC Software, Inc., a Delaware corporation
("BMC"), Ranger Acquisition Corp., a Massachusetts corporation and a wholly
owned subsidiary of BMC ("Merger Sub"), and BGS Systems, Inc., a Massachusetts
corporation ("BGS").


                              W I T N E S S E T H:

         WHEREAS, the respective boards of directors of BMC and BGS deem it
desirable and in the best interests of their respective corporations and their
respective stockholders that Merger Sub be merged with and into BGS, pursuant to
the provisions of Section 78 of the Massachusetts Business Corporation Law
("MBCL"), in exchange for the consideration provided for in the Plan and
Agreement of Merger attached hereto as Exhibit A ("Plan of Merger"), and have
proposed, declared advisable, and approved such merger pursuant to this
Agreement and the Plan of Merger, which have been duly approved by resolutions
of the respective boards of directors of BMC and BGS; and

         WHEREAS, for federal income tax purposes, it is intended that the
merger qualify as a reorganization under the provisions of Section 368(a) of the
United States Internal Revenue Code of 1986, as amended (the "Code");

         NOW, THEREFORE, in consideration of the premises and of the mutual
covenants and agreements herein contained, and in order to set forth the terms
and conditions of the merger, the mode of carrying the same into effect, the
manner and basis of converting the presently outstanding shares of common stock,
par value $.10 per share ("BGS Common Stock"), of BGS into shares of common
stock, par value $.01 per share ("BMC Common Stock"), of BMC, and such other
details and provisions as are deemed necessary or proper, the parties hereto
agree as follows:


                                    ARTICLE I

                                     MERGER

         1.1.   The Merger. Subject to and in accordance with the terms and
conditions of this Agreement and pursuant to the Plan of Merger between Merger
Sub and BGS, at the Effective Time (as hereinafter defined) Merger Sub shall be
merged with and into BGS (the "Merger"), the separate existence of Merger Sub
shall cease, and BGS (i) shall continue as the surviving corporation (sometimes
referred to herein as the "Surviving Corporation") under the corporate name "BGS
Systems, Inc.", (ii) shall be governed by the laws of The Commonwealth of
Massachusetts, (iii) shall maintain a registered office in The Commonwealth of
Massachusetts at 2 Oliver Street, Boston, Massachusetts 02109, and shall (iv)
succeed to and assume all of the rights, properties and obligations of Merger
Sub and BGS in accordance with the MBCL.


<PAGE>   2



Subject to the terms and conditions of this Agreement and the Plan of Merger,
BMC agrees, at or prior to the Closing, to cause Merger Sub to execute and
deliver the Plan of Merger in form and substance substantially similar to the
form attached hereto as Exhibit A. Subject to the terms and conditions of this
Agreement and the Plan of Merger, BGS agrees, at or prior to the Closing, to
execute and deliver the Plan of Merger in form and substance substantially
similar to the form attached hereto as Exhibit A.

         1.2.   Closing Date. The closing of the transactions contemplated by
this Agreement (the "Closing") shall take place at the offices of Palmer & Dodge
LLP, One Beacon Street, Boston, Massachusetts 02108, as soon as reasonably
practicable after the satisfaction or waiver of the conditions set forth in
Article V or at such other time and place and on such other date as BMC and BGS
shall agree; provided, that the conditions set forth in Article V shall have
been satisfied or waived at or prior to such time. The date on which the Closing
occurs is herein referred to as the "Closing Date."

         1.3.   Effective Time. As soon as practicable on the Closing Date, the
parties hereto will cause the Merger to be consummated by filing with the State
Secretary of The Commonwealth of Massachusetts, articles of merger in such form
as required by, and executed in accordance with, the relevant provisions of the
MBCL (the time of filing the agreement of merger with the State Secretary of The
Commonwealth of Massachusetts being the "Effective Time").

         1.4.   Material Adverse Effect. "Material Adverse Effect" or "Material
Adverse Change" means any effect, change, event, circumstance or condition which
when considered with all other effects, changes, events, circumstances or
conditions could reasonably be expected to materially adversely affect the
business, results of operations, financial condition or prospects of BMC or BGS,
in each case including its respective subsidiaries together with it taken as a
whole, as the case may be. In no event shall any of the following constitute a
Material Adverse Effect or a Material Adverse Change: (i) a change in the
trading prices of either of BMC's or BGS's equity securities between the date
hereof and the Effective Time, in and of itself; (ii) effects, changes, events,
circumstances or conditions generally affecting the industry in which either BMC
or BGS operate or arising from changes in general business or economic
conditions; (iii) effects, changes, events, circumstances or conditions directly
attributable to (a) out-of-pocket fees and expenses (including without
limitation legal, accounting, investigatory, investment banking, and other fees
and expenses) incurred in connection with the transactions contemplated by this
Agreement, or (b) the payment by BMC or BGS of all amounts due to any officers
or employees of BGS under employment contracts, non- competition agreements,
employee benefit plans or severance arrangements; (iv) any effects, changes,
events, circumstances or conditions resulting from any change in law or
generally accepted accounting principles, which affect generally entities such
as BMC and BGS; (v) any effect resulting from compliance by BMC or BGS with the
terms of this Agreement; and (vi) the loss of any single employee.


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                                   ARTICLE II

                         REPRESENTATIONS AND WARRANTIES
                                     OF BGS

         BGS represents and warrants subject to the exceptions specifically
described in writing in the disclosure schedule delivered by BGS to BMC and
dated the date hereof (the "BGS Disclosure Schedule") as follows:

         2.1.   Organization and Standing. BGS is a corporation duly organized,
validly existing and in good standing under the laws of The Commonwealth of
Massachusetts, has full requisite corporate power and authority to carry on its
business as it is currently conducted, and to own and operate the properties
currently owned and operated by it, and is duly qualified or licensed to do
business and is in good standing as a foreign corporation authorized to do
business in all jurisdictions in which the character of the properties owned or
the nature of the business conducted by it would make such qualification or
licensing necessary, except where the failure to be so qualified or licensed
could not reasonably be expected to have a Material Adverse Effect on BGS.

         2.2.   Agreement Authorized and its Effect on Other Obligations. Upon
approval of this Agreement by the stockholders of BGS, the consummation of the
transactions contemplated hereby will have been duly and validly authorized by
all necessary corporate action on the part of BGS, and this Agreement will be a
valid and binding obligation of BGS enforceable against BGS (subject to normal
equitable principles) in accordance with its terms, except as enforceability may
be limited by bankruptcy, insolvency, reorganization, debtor relief or similar
laws affecting the rights of creditors generally. At the Effective Time, the
consummation of the Merger will not conflict with or result in a violation or
breach of any term or provision of, nor constitute a default under, (i) the
articles of organization or bylaws of BGS or (ii) any obligations, indenture,
mortgage, deed of trust, lease, contract or other agreement to which BGS or any
of its subsidiaries is a party or by which any of them or their properties are
bound, other than such violations, breaches or defaults as could not reasonably
be expected to have a Material Adverse Effect on BGS. For purposes of Chapter
110F of the MBCL, the Board of Directors of BGS has approved the stockholder
agreement attached hereto as Exhibit B (the "Stockholder Agreement"), the
execution and delivery of the Stockholder Agreement by the stockholders named
therein and the transactions contemplated thereby. Section 2.2 of the BGS
Disclosure Schedule lists all holders of any material indebtedness of BGS, the
lessors of any material property leased by BGS and the other parties to any
material agreements to which BGS is a party in each case whose consent to the
Merger is required.

         2.3.   Capitalization. The authorized capitalization of BGS consists of
10,000,000 shares of common stock, par value $.10 per share (the "BGS Common
Stock"), of which at December 31, 1997, 6,429,698 shares were issued and
outstanding, and an additional 1,146,379 shares were reserved for issuance in
conjunction with various employee benefit plans; at the same date, 103,501
shares of BGS Common Stock were held in BGS's treasury. All of such outstanding
shares are validly issued, fully paid and nonassessable, and were not issued in
violation of any preemptive rights of any stockholder. Other than as set forth
above with respect

                                      - 3 -

<PAGE>   4



to employee benefit plans, BGS has no outstanding options, warrants or
obligations of any kind to issue any shares of its capital stock.

         2.4.   Subsidiaries. Section 2.4 of the BGS Disclosure Schedule lists
the subsidiary corporations of BGS existing at December 31, 1997, and shows as
to each of such subsidiary corporations the percentage of the total outstanding
stock thereof which is owned by BGS. Except as specified in Section 2.4 of the
BGS Disclosure Schedule, all outstanding shares of stock of the subsidiary
corporations owned by BGS are validly issued, fully paid, and nonassessable, and
BGS has good and valid title thereto free and clear of any mortgage, pledge,
lien, charge, security interest, option, right of first refusal, preferential
purchase right, defect, encumbrance or other right or interest of any other
person (collectively, an "Encumbrance"). Each such subsidiary is a corporation
duly organized, validly existing, and in good standing under the laws of the
jurisdiction under which it is incorporated and has full requisite corporate
power and authority to own its property and carry on its business as presently
conducted by it and is, or on the Effective Time will be, duly qualified or
licensed to do business and is, or on the Effective Time will be, in good
standing as a foreign corporation authorized to do business in all jurisdictions
in which the character of the properties owned or the nature of the business
conducted makes such qualification or licensing necessary, except where the
failure to be so qualified or licensed could not reasonably be expected to have
a Material Adverse Effect on BGS. As hereinafter used in this Article II, the
term "BGS" also includes any and all of its directly and indirectly held
subsidiaries, except where the context indicates to the contrary; provided,
however, that for purposes of Sections 2.7.1 and 2.20, the term "BGS" further
includes any corporation, trade, business or entity under common control with
BGS within the meaning of Section 414(b), (c), (m) or (o) of the Code or Section
4001 of ERISA.

         2.5.   Reports and Financial Statements. BGS has previously furnished
to BMC true and complete copies of (a) all annual reports filed with the
Securities and Exchange Commission (the "Commission") pursuant to the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), since January 1, 1995,
(b) BGS's quarterly and other reports filed with the Commission since January 1,
1995, (c) all definitive proxy solicitation materials filed with the Commission
since January 1, 1995, and (d) any registration statements declared effective by
the Commission since January 1, 1995. The consolidated financial statements of
BGS and its subsidiaries included in BGS's most recent report on Form 10-K and
most recent report on Form 10-Q, and any other reports filed with the Commission
by BGS under the Exchange Act subsequent thereto (collectively, the "BGS
Reports") were, or (if filed after the date hereof) will be, prepared in
accordance with generally accepted accounting principles applied on a consistent
basis during the periods involved and fairly present, or will present, the
consolidated financial position for BGS and its subsidiaries as of the dates
thereof and the consolidated results of their operations and changes in
financial position for the periods then ended (except with respect to interim
period financial statements, for normal year-end adjustments which are not
material); and the BGS Reports did not and will not contain any untrue statement
of a material fact or omit to state a material fact required to be stated
therein or necessary to make the statements therein, in light of the
circumstances under whey they were made, not misleading. Since January 1, 1995,
BGS has filed with the Commission all reports required to be filed by BGS under
the Exchange Act and the rules and regulations of the Commission.


                                      - 4 -

<PAGE>   5



         2.6.   Liabilities. BGS does not have any liabilities or obligations,
either accrued, absolute, contingent, or otherwise, or have any knowledge of any
potential liabilities or obligations, which could reasonably be expected to have
a Material Adverse Effect on BGS, other than those (i) disclosed in the BGS
Reports or (ii) set forth in Section 2.6 of the BGS Disclosure Schedule.

         2.7.   Additional BGS Information. Set forth in Section 2.7 of the BGS
Disclosure Schedule are true, complete and correct lists of the following items
(which will be periodically updated by BGS and delivered to BMC through the
Effective Time), and BGS agrees that upon the request of BMC, it will furnish to
BMC true, complete and correct copies of any documents referred to in such
lists:

                2.7.1. Employee Compensation Plans. All bonus, incentive
         compensation, stock option, deferred compensation, profit-sharing,
         retirement, pension, welfare, severance pay, supplemental income, group
         insurance, death benefit, or other fringe benefit plans, arrangements
         or trust agreements covering active, former or retired employees of BGS
         (collectively, "BGS Plans"), together with copies of the most recent
         reports with respect to such plans, arrangements, or trust agreements
         filed with any governmental agency and all Internal Revenue Service
         determination letters that have been received with respect to such
         plans;

                2.7.2. Certain Salaries. The names and salary rates of all
         present officers and employees of BGS whose current regular annual
         salary rate is $100,000 or more, together with any bonuses paid or
         payable to such persons for the fiscal year ended January 31, 1997, or
         since that date, and, to the extent existing on the date of this
         Agreement, all arrangements with respect to any bonuses to be paid to
         them from and after the date of this Agreement;

                2.7.3. Employee Agreements. Any collective bargaining agreements
         of BGS with any labor union or other representative of employees,
         including amendments, supplements, and understandings, and all
         employment and consulting agreements of BGS;

                2.7.4. Guaranties. All third party indebtedness, liabilities and
         commitments of others as to which BGS is a guarantor, endorser,
         co-maker, surety, or accommodation maker, or is contingently liable
         therefor (excluding liabilities as an endorser of checks and the like
         in the ordinary course of business) and all letters of credit, whether
         stand-by or documentary, issued by any third party;

                2.7.5. Environmental. All environmental orders and decrees
         material to current operations conducted by BGS and all environmental
         audits, assessments, investigations and reviews conducted within the
         last five years on any property owned or used by BGS.

         2.8.   No Undisclosed Contracts or Defaults. Except as may be specified
in the BGS Reports or Section 2.8 of the BGS Disclosure Schedule, BGS, in its
reasonable belief, is not a party to, or bound by, any material contract or
arrangement of any kind to be performed after the Effective Time, nor is BGS in
default in any material obligation or covenant on its part to be performed under
any material obligation, lease, contract, order, plan or other arrangement.

                                      - 5 -

<PAGE>   6


         2.9.   Absence of Certain Changes and Events. Except as set forth in
the BGS Reports or in Section 2.9 of the BGS Disclosure Schedule, other than as
a result of the transactions contemplated by this Agreement, since October 31,
1997, there has not been:

                2.9.1. Financial Change. Any adverse change in the financial
         condition, backlog, operations, assets, liabilities or business of BGS
         which could reasonably be expected to have a Material Adverse Effect on
         BGS;

                2.9.2. Property Damage. Any damage, destruction, or loss to the
         business or properties of BGS (whether or not covered by insurance)
         that could reasonably be expected to have a Material Adverse Effect on
         BGS;

                2.9.3. Dividends. Any declaration, setting aside, or payment of
         any dividend or other distribution in respect of the BGS Common Stock,
         or any direct or indirect redemption, purchase or any other acquisition
         by BGS of any such stock;

                2.9.4. Capitalization Change. Any change in the capital stock or
         in the number of shares or classes of BGS's authorized or outstanding
         capital stock as described in Paragraph 2.3 (other than the issuance of
         BGS Common Stock upon the exercise of outstanding options to purchase
         BGS Common Stock);

                2.9.5. Labor Disputes. Any labor dispute (other than routine
         grievances);

                2.9.6. Employment Arrangements. Any increase in compensation,
         bonus, deferred compensation, stock options or other consideration of
         any employee or director other than in the ordinary course of business
         consistent with past practice; or

                2.9.7. Other Material Changes. Any other event or condition
         known to BGS particularly pertaining to and adversely affecting the
         operations, assets or business of BGS which could reasonably be
         expected to have a Material Adverse Effect on BGS.

         2.10.  Taxes.

                2.10.1. Tax Returns Filed; Taxes Paid. Except as set forth in
         Section 2.10 of the BGS Disclosure Schedule, and except with respect to
         failures which, in the aggregate, could not reasonably be expected to
         have a Material Adverse Effect on BGS, (i) all returns and reports
         ("Tax Returns") of or with respect to any and all taxes, charges, fees,
         levies, assessments, duties or other amounts payable to any federal,
         state, local or foreign taxing authority or agency, including, without
         limitation, (x) income, franchise, profits, gross receipts, minimum,
         alternative minimum, estimated, ad valorem, value added, sales, use,
         service, real or personal property, capital stock, license, payroll,
         withholding, disability, employment, social security, workers
         compensation, unemployment compensation, utility, severance, excise,
         stamp, windfall profits, transfer and gains taxes, (y) customs, duties,
         imposts, charges, levies or other similar assessments of any kind, and
         (z) interest, penalties and additions to tax imposed with respect
         thereto ("Tax" or "Taxes") which are required to be filed on or before
         the Closing by or with

                                      - 6 -

<PAGE>   7



         respect to BGS have been or will be duly and timely filed, (ii) all
         items of income, gain, loss, deduction and credit or other items
         required to be included in each such Tax Return have been or will be so
         included and all information provided in each such Tax Return is true,
         correct and complete, (iii) all Taxes which have become or will become
         due with respect to the period covered by each such Tax Return have
         been or will be timely paid in full, (iv) all withholding Tax
         requirements imposed on or with respect to BGS have been or will be
         satisfied in full in all respects, and (v) no penalty, interest or
         other charge is or will become due with respect to the late filing of
         any such Tax Return or late payment of any such Tax.

                2.10.2. Open Returns Disclosed. All Tax Returns of or with
         respect to BGS with unexpired or extended statutes of limitations which
         have been audited by the applicable governmental authority are set
         forth in Section 2.10 of the BGS Disclosure Schedule.

                2.10.3. Extensions Disclosed. Except as set forth in Section
         2.10 of the BGS Disclosure Schedule, there is not in force any
         extension of time with respect to the due date for the filing of any
         Tax Return of or with respect to BGS or any waiver or agreement for any
         extension of time for the assessment or payment of any Tax of or with
         respect to BGS.

                2.10.4. Claims Disclosed. There is no claim against BGS for any
         Taxes, and no assessment, deficiency or adjustment has been asserted or
         proposed with respect to any Tax Return of or with respect to BGS other
         than those disclosed (and to which are attached true and complete
         copies of all audit or similar reports) in Section 2.10 of the BGS
         Disclosure Schedule or which could not reasonably be expected to have a
         Material Adverse Effect on BGS.

                2.10.5. Scheduled Tax Liabilities Sufficient. The total amounts
         set up as liabilities for current and deferred Taxes in the financial
         statements referred to in Section 2.5. of this Agreement are sufficient
         to cover in all material respects the payment of all Taxes, whether or
         not assessed or disputed, which are, or are hereafter found to be, or
         to have been, due by or with respect to BGS up to and through the
         periods covered thereby.

                2.10.6. Tax Allocation Agreements. BGS has previously delivered
         to BMC true and complete copies of each written Tax allocation or
         sharing agreement and a true and complete description of each unwritten
         Tax allocation or sharing arrangement affecting BGS.

                2.10.7. No Tax Liens. Except for statutory liens for current
         Taxes not yet due, no material liens for Taxes exist upon the assets of
         BGS.

                2.10.8. Change of Accounting Method. BGS will not be required to
         include any amount in income for any taxable period beginning after
         December 31, 1996 as a result of a change in accounting method for any
         taxable period or pursuant to any agreement with any Tax authority with
         respect to any such taxable period.


                                      - 7 -

<PAGE>   8

                2.10.9. Partnerships; Foreign Corporations. Except as set forth
         in Section 2.10 of the BGS Disclosure Schedule, none of the property of
         BGS is held in an arrangement for which partnership Tax Returns are
         being filed, and BGS does not own any interest in any controlled
         foreign corporation (as defined in section 957 of the Code), passive
         foreign investment company (as defined in section 1296 of the Code) or
         other entity the income of which is required to be included in the
         income of BGS.

                2.10.10. Safe Harbor Leases; Tax-Exempt Use Property. Except as
         set forth in Section 2.10 of the BGS Disclosure Schedule, none of the
         property of BGS is subject to a safe-harbor lease (pursuant to section
         168(f)(8) of the Internal Revenue Code of 1954 as in effect after the
         Economic Recovery Tax Act of 1981 and before the Tax Reform Act of
         1986) or is "tax-exempt use property" (within the meaning of section
         168(h) of the Code) or "tax- exempt bond financed property" (within the
         meaning of section 168(g)(5) of the Code).

                2.10.11. Section 341(f) Election. BGS has not made an election
         under section 341(f) of the Code.

                2.10.12. Actions Preventing Treatment as a Reorganization.
         Neither BGS nor, to the knowledge of BGS, any of its affiliates has
         taken or agreed to take any action that would prevent the Merger from
         constituting a reorganization qualifying under the provisions of
         Section 368(a) of the Code.

         2.11.  Intellectual Property.

                2.11.1. Ownership. Section 2.11 of the BGS Disclosure Schedule
         accurately identifies all software programs currently being marketed by
         BGS and all software products or programs under development by BGS but
         not currently marketed, which are or could reasonably be expected to be
         material to the business of BGS (collectively, the "Software
         Programs"). BGS owns full and unencumbered right and good and valid
         title to the Software Programs listed in Section 2.11 of the BGS
         Disclosure Schedule, all material patents, trademarks, service marks,
         trade names and copyrights (including registrations, licenses and
         applications pertaining thereto) and all other material intellectual
         property rights, trade secrets and other confidential or proprietary
         information, processes and formulae used in its businesses or otherwise
         necessary for the conduct of its businesses (the "Intellectual
         Property"), free and clear of all mortgages, pledges, liens, security
         interests, conditional sales agreements, encumbrances or charges of any
         kind. Section 2.11 of the BGS Disclosure Schedule contains a complete
         list of all registered trademarks and service marks, all reserved trade
         names, all registered copyrights and all filed patent applications and
         issued patents used in, or otherwise necessary for the conduct of, the
         business of BGS as heretofore conducted.

                2.11.2. Notices. Section 2.11 of the BGS Disclosure Schedule
         sets forth the form and placement of the proprietary legends and
         copyright notices displayed in or on the Software Programs. To the
         knowledge of BGS, in no instance has the eligibility of the Software
         Programs for protection under applicable copyright law been forfeited
         to the public domain by omission of any required notice or any other
         action.



                                      - 8 -

<PAGE>   9


                2.11.3. Protection. BGS has in force the trade secret protection
         program set forth in Section 2.11 of the BGS Disclosure Schedule. To
         the knowledge of BGS, there has been no violation of such program by
         any person or entity. The source code and related technical system
         documentation for the Software Programs (i) have at all times been
         maintained in strict confidence, (ii) have been disclosed by BGS only
         to employees and contractors who have had a "need to know" the contents
         thereof in connection with the performance of their duties to BGS and
         who have executed written agreements requiring the recipient to keep
         the information in strict confidence.

                2.11.4. Personnel. All personnel who now, or during the past
         five years have been employees, agents, consultants and contractors of
         BGS, who have contributed to or participated in the conception and
         development of the Software Programs, technical documentations, or
         Intellectual Property on behalf of BGS have executed nondisclosure
         agreements in form provided by BGS to BMC and either (1) have been a
         party to a "work- for-hire" arrangement or agreements with BGS in
         accordance with applicable national and state law that has accorded BGS
         full, effective, exclusive and original ownership of all tangible and
         intangible property thereby arising, or (2) have executed appropriate
         instruments of assignment in favor or BGS as assignee that have
         conveyed to BGS, effective, and exclusive ownership of all tangible and
         intangible property thereby arising.

                2.11.5. Third-Party Software. Section 2.11 of the BGS Disclosure
         Schedule contains a complete list of material software libraries,
         compilers and other third-party software used in the development of the
         Software Programs. Section 2.11 of the BGS Disclosure Schedule lists
         all license agreements for the use of all such software and, if any
         such software is not licensed, the basis of the use of such software by
         BGS. To BGS's knowledge, all use of each of such Software Program by
         BGS has been in full compliance with the respective license agreement
         or other right of use listed in Section 2.11 of the BGS Disclosure
         Schedule.

                2.11.6. Software Performance. To the knowledge of BGS, the
         Software Programs will perform in accordance with the warranties set
         forth in the standard end- user agreements listed in Section 2.13 of
         the BGS Disclosure Schedule.

                2.11.7. No Infringement. The Software Programs do not infringe
         and will not infringe any copyright or trade secret of any person or
         entity, and, to the knowledge of BGS, no part of the Software Programs
         nor the use thereof for their intended purposes infringes or will
         infringe any valid and subsisting patent or other exclusionary right of
         any third party. No claims have been asserted against BGS by any person
         or entity as to the use of any of the Intellectual Property.

                2.11.8. Integrity. Except with respect to demonstration or trial
         copies, to the knowledge of BGS, no portion of the Software Products
         contains or will contain any "back door," "time bomb," "Trojan horse,"
         "worm," "drop dead device," "virus" or other software routines or
         hardware components designed to permit unauthorized access; to disable
         or erase software, hardware, or data; or to perform any other such
         actions.


                                      - 9 -

<PAGE>   10

                2.11.9. Contract Performance. BGS has observed all material
         provisions of, and performed all of their material obligations under,
         the Licenses, including, but not limited to, the performance of its
         product maintenance obligations. BGS has not taken any action that
         could cause, or failed to take any action, the failure of which could
         cause, (i) any material source code, trade secret or other Intellectual
         Property relating to the Software Programs to be released from an
         escrow or otherwise made available to any person or entity other than
         those persons described in Section 2.11.3, dedicated to the public or
         otherwise placed in the public domain or (ii) any other material
         adverse affect to the protection of the Software Programs under trade
         secret, copyright, patent or other intellectual property laws.

                2.11.10. Year 2000. The Software Programs (i) have been designed
         to ensure year 2000 compatibility, which shall include, but is not
         limited to, date data century recognition, and calculations that
         accommodate same century and multi-century formulas and date values;
         (ii) operate or will operate in accordance with their specifications
         prior to, during and after the calendar year 2000 A.D.; and (iii) shall
         not end abnormally or provide invalid or incorrect results as a result
         of date data, specifically including date data which represents or
         references different centuries or more than one century.

         2.12.  Adequacy of Technical Documentation. The technical documentation
of the Software Programs (the "Technical Documentation") includes the source
code (with comments) for all Software Programs, as well as any pertinent
comments by or explanation that may be necessary to render such materials
understandable and usable. The Technical Documentation also includes any
programs (including compilers), "workbenches," tools and higher level (or
"proprietary") languages necessary for the development, maintenance and
implementation of the Software Programs.

         2.13.  Software Contracts.

                2.13.1. End-User Agreements. Section 2.13.1 of the BGS
         Disclosure Schedule sets forth a complete list of all material licenses
         and sublicenses of the Software Programs and of all customer trial
         agreements for the Software Programs granted by BGS to other parties
         (the "Licenses"). All contracts identified in Section 2.13.1 of the BGS
         Disclosure Schedule constitute only end-user agreements, each of which
         grants the end user thereunder principally the nonexclusive right and
         license to use an identified Software Program and related user
         documentation, for internal purposes only, at the sites specified in
         each agreement. Section 2.13.1 of the BGS Disclosure Schedule
         accurately identifies each customer which generated 10% or more of
         BGS's revenues during the preceding four fiscal quarters.

                2.13.2. Marketing Agreements. Section 2.13.2 of the BGS
         Disclosure Schedule sets forth a complete list of all contracts,
         agreements, licenses, or other commitments or arrangements in effect
         with respect to the marketing, remarketing, distribution, licensing or
         promotion of (i) the Software Programs or any other Technical
         Documentation or the Intellectual Property by any independent
         salesperson, distributor, sublicensor or other remarketer or sales
         organization or (ii) any third party's software products by BGS (the
         "Marketing Agreements"). Section 2.13.2 of the BGS Disclosure Schedule
         accurately

                                     - 10 -

<PAGE>   11

         identifies each marketing arrangement which generated 10% or more of
         BGS's revenues during the preceding four fiscal quarters.

                2.13.3. No Assignment. Other than the Licenses and the Marketing
         Agreements, BGS has not granted, transferred or assigned any right or
         interest in the Software Programs, the Technical Documentation or the
         Intellectual Property to any person or entity.

         2.14.  Third-Party Components in Software Programs. Except as set forth
in Section 2.14 of the BGS Disclosure Schedule, the Software Programs and
Technical Documentation contain no programming or materials in which any third
party may claim superior, joint or common ownership, including any right or
license. Except as set forth in Section 2.14 of the BGS Disclosure Schedule, the
Software Programs and Technical Documentation do not contain derivative works of
any programming or materials not owned in their entirety by BGS.

         2.15.  Title to Properties. With minor exceptions which in the
aggregate are not material, and except for merchandise and other property sold,
used or otherwise disposed of in the ordinary course of business for fair value,
BGS has good and valid title to all its properties, interests in properties and
assets, real and personal, reflected in the most recent balance sheet of BGS
included in the BGS Reports, free and clear of any Encumbrance of any nature
whatsoever, except (i) liens and Encumbrances reflected in the most recent
balance sheet of BGS included in the BGS Reports, (ii) liens for current taxes
not yet due and payable, and (iii) such imperfections of title, easements and
Encumbrances, if any, as are not substantial in character, amount, or extent and
do not and will not materially detract from the value, or interfere with the
present use, of the property subject thereto or affected thereby, or otherwise
materially impair business operations. All leases pursuant to which BGS leases
(whether as lessee or lessor) any substantial amount of real or personal
property are in good standing, valid and effective; and there is not, under any
such leases, any existing or prospective default or event of default or event
which with notice or lapse of time, or both, would constitute a default by BGS
and in respect to which BGS has not taken adequate steps to prevent a default
from occurring. The buildings and premises of BGS that are used in its business
are in good and sufficient operating condition and repair for the continued
conduct of BGS's business on a basis consistent with past practice, subject to
ordinary wear and tear. All major items of equipment of BGS are in good and
sufficient operating condition and in a state of reasonable maintenance and
repair for the continued conduct of BGS's business on a basis consistent with
past practice, ordinary wear and tear excepted, and are free from any known
defects except as may be repaired by routine maintenance and such minor defects
as do not substantially interfere with the continued use thereof in the conduct
of normal operations.

         2.16.  Litigation. Except to the extent set forth in the BGS Reports or
in Section 2.16 of the BGS Disclosure Schedule, there is no suit, action, or
legal, administrative, arbitration, or other proceeding or governmental
investigation pending to which BGS is a party or, to the knowledge of BGS, might
become a party or which particularly affects BGS, which would involve a
liability in excess of $100,000, nor is any change in the zoning or building
ordinances directly affecting the real property or leasehold interests of BGS,
pending or, to the knowledge of BGS, threatened,

                                     - 11 -

<PAGE>   12

         2.17.  Environmental Compliance. Except as set forth in Section 2.17 of
the BGS Disclosure Schedule;

                2.17.1. Environmental Conditions. There are no environmental
         conditions or circumstances, such as the presence or release of any
         hazardous substance, on any real property owned by BGS as a result of
         the actions of BGS or, to its knowledge, of any third party or
         otherwise, that could reasonably be expected to have a Material Adverse
         Effect on BGS.

                2.17.2. Permits, etc. BGS has in full force and effect all
         environmental permits, licenses, approvals and other authorizations
         required to conduct its operations and is operating in material
         compliance thereunder.

                2.17.3. Compliance. BGS's operations and use of its assets do
         not violate any applicable federal, state or local law, statute,
         ordinance, rule, regulation, order or notice requirement pertaining to
         (a) the condition or protection of air, groundwater, surface water,
         soil, or other environmental media, (b) the environment, including
         natural resources or any activity which affects the environment, or (c)
         the regulation of any pollutants, contaminants, waste, substances
         (whether or not hazardous or toxic), including, without limitation, the
         Comprehensive Environmental Response Compensation and Liability Act (49
         U.S.C. ss. 9601 et seq.), the Hazardous Materials Transportation Act
         (49 U.S.C. ss. 1801 et seq.), the Resource Conservation and Recovery
         Act (42 U.S.C. ss. 1609 et seq.), the Clean Water Act (33 U.S.C. 1251
         et seq.), the Clean Air Act (42 U.S.C. ss. 7401 et seq.), the Toxic
         Substances Control Act (17 U.S.C. ss. 2601 et seq.), the Safe Drinking
         Water Act (42 U.S.C. ss. 201 and ss. 300f et seq.), the Rivers and
         Harbors Act (33 U.S.C. ss. 401 et seq.), the Oil Pollution Act (33
         U.S.C. ss. 2701 et seq.) and analogous state and local provisions, as
         any of the foregoing may have been amended or supplemented from time to
         time (collectively the "Applicable Environmental Laws"), except for
         violations which, either singly or in the aggregate, could not
         reasonably be expected to have a Material Adverse Effect on BGS.

                2.17.4 Environmental Claims. No notice has been served on BGS
         from any entity, governmental agency or individual regarding any
         existing, pending or threatened investigation or inquiry related to
         alleged violations under any Applicable Environmental Laws, or
         regarding any claims for remedial obligations or contribution under any
         Applicable Environmental Laws, other than any of the foregoing which,
         either singly or in the aggregate, could not reasonably be expected to
         have a Material Adverse Effect on BGS.

                2.17.5. Renewals. BGS does not know of any reason it would not
         be able to renew any of the permits, licenses, or other authorizations
         required pursuant to any Applicable Environmental Laws to operate and
         use any of BGS's assets for their current purposes and uses.

         2.18.  Compliance with Other Laws. Except as set forth in the BGS
Reports or in Section 2.18 of the BGS Disclosure Schedule, BGS is not in
violation of or in default with

                                     - 12 -

<PAGE>   13



respect to, or in alleged violation of or alleged default with respect to, the
Occupational Safety and Health Act (29 U.S.C. ss. 651 et seq.) as amended
("OSHA"), or any other applicable law or any applicable rule, regulation, or any
writ or decree of any court or any governmental commission, board, bureau,
agency, or instrumentality, or delinquent with respect to any report required to
be filed with any governmental commission, board, bureau, agency or
instrumentality, except for violations which, either singly or in the aggregate,
could not reasonably be expected to have a Material Adverse Effect on BGS.

         2.19.  Finder's Fee. All negotiations relative to this Agreement and
the transactions contemplated hereby have been carried on by BGS and its counsel
directly with BMC and its counsel, without the intervention of any other person
as the result of any act of BGS, and so far as is known to BGS, without the
intervention of any other person in such manner as to give rise to any valid
claim against any of the parties hereto for a brokerage commission, finder's fee
or any similar payments, other than financial advisory fees to be paid (i) by
BMC to Goldman, Sachs & Co. ("GS") in connection with the transaction and (ii)
by BGS to Broadview Associates L.L.C. ("Broadview") in connection with the
transaction under financial arrangements disclosed to BMC.

         2.20.  Compliance with ERISA. BGS has made available to BMC a copy of
each BGS Plan, any related summary plan description, trust agreement and annuity
or insurance contract, if any, and each plan's most recent annual report filed
with the Internal Revenue Service, if any, and: (i) each BGS Plan has been
maintained and administered in material compliance with its terms and with the
requirements prescribed by any and all applicable statutes, orders, rules and
regulations, and is, to the extent required by applicable law or contract, fully
funded without having any deficit or unfunded actuarial liability; (ii) all
required contributions under any such plans have been made and the applicable
funds have been funded in accordance with the terms thereof and no past service
funding liabilities exist thereunder; (iii) each BGS Plan that is required or
intended to be qualified under applicable law or registered or approved by a
governmental agency or authority has been so qualified, registered or approved
by the appropriate governmental agency or authority, and, to the knowledge of
BGS, nothing has occurred since the date of the last qualification, registration
or approval to materially and adversely affect, or cause, the appropriate
governmental agency or authority to revoke such qualification, registration or
approval; (iv) to the extent applicable, the BGS Plans comply, in all material
respects, with the requirements of the Employee Retirement Income Security Act
of 1974, as amended ("ERISA"), and the Code, and any BGS Plan intended to be
qualified under Section 401(a) of the Code has been determined by the Internal
Revenue Service to be so qualified and, to the knowledge of BGS, nothing has
occurred to cause the loss of such qualified status; (v) no BGS Plan is covered
by Title IV of ERISA or Section 412 of the Code; (vi) there are no pending or,
to the knowledge of BGS, anticipated material claims against or otherwise
involving any of the BGS Plans and no suit, action or other litigation
(excluding claims for benefits incurred in the ordinary course of BGS Plan
activities) has been brought against or with respect to any BGS Plan; (vii) all
material contributions, reserves or premium payments, required to be made as of
the date hereof to the BGS Plans have been made or provided for; (viii) BGS has
not incurred any liability under subtitle C or D of Title IV of ERISA with
respect to any "single- employer plan," within the meaning of Section
4001(a)(15) of ERISA, currently or formerly maintained by BGS; (ix) BGS has not
incurred any withdrawal liability under Subtitle E of Title IV of ERISA with
respect to any "multiemployer plan," within the meaning

                                     - 13 -

<PAGE>   14



of Section 4001(a)(3) of ERISA; (x) BGS has substantially performed all
obligations, whether arising by law or by contract, required to be performed by
it in connection with the BGS Plans; (xi) to the knowledge of BGS, no act,
omission or transaction has occurred which would result in imposition on BGS of
(a) a civil penalty assessed pursuant to subsections (c), (i) or (l) of Section
502 of ERISA, (b) breach of fiduciary duty liability damages under Section 409
of ERISA or (c) a tax imposed pursuant to Chapter 43 of Subtitle D of the Code;
(xii) in connection with the consummation of the transactions contemplated by
this Agreement, no payments have or will be made hereunder, under the BGS Plans
or otherwise by BGS which, in the aggregate, would result in imposition of the
sanctions imposed under Sections 280G and 4999 of the Code; and (xiii) BGS has
no obligations for retiree health and life benefits under any BGS Plan, except
as set forth on Section 2.20 of the BGS Disclosure Schedule, and there are no
restrictions on the rights of BGS to amend or terminate any such BGS Plan
without incurring any liability thereunder.

         2.21.  Investigations; Litigation. Except as required pursuant to the
Hart-Scott-Rodino Antitrust Improvements Act of 1976 and the rules and
regulations promulgated thereunder (collectively, "HSR") and any applicable
comparable foreign laws and regulations, (i) no investigation or review by any
governmental entity with respect to BGS or any of the transactions contemplated
by this Agreement is pending or, to BGS's knowledge, threatened, nor has any
governmental entity indicated to BGS an intention to conduct the same, and (ii)
there is no action, suit or proceeding pending or, to BGS's knowledge,
threatened against or affecting BGS at law or in equity, or before any federal,
state, municipal or other governmental department, commission, board, bureau,
agency or instrumentality, which either individually or in the aggregate, could
reasonably be expected to have a Material Adverse Effect on BGS.

         2.22.  Product Warranty. There are no existing liabilities or, to the
knowledge of BGS, potential liabilities, arising from claims regarding the
performance or design of the products and services sold by BGS either in the
past or at present for which adequate reserves have not been established on the
most recent balance sheet in the BGS Reports that in the aggregate could
reasonably be expected to have a Material Adverse Effect on BGS.

         2.23.  Information for Proxy Statement. All information and data
(including financial statements) concerning BGS which is or will be included in
the registration statement and proxy statement (collectively, the "Proxy
Statement") issued in connection with the transactions contemplated by this
Agreement will be furnished by BGS for inclusion therein and will not contain
any untrue statement of a material fact or omit to state a material fact
necessary in order to make the statements contained therein not misleading.

         2.24.  Investment Company. BGS is not an "investment company," or an
"affiliated person of" or "promoter" or "principal underwriter" of an investment
company, as those terms are defined in the Investment Company Act of 1940, as
amended (the "Investment Company Act").

         2.25.  Pooling. Neither BGS, nor to the knowledge of BGS, any of its
affiliates has taken or agreed to take any action that would prevent the Merger
from being treated as a "pooling of interests" in accordance with generally
accepted accounting principles and the Regulations of the Securities and
Exchange Commission (a "Pooling Transaction").

                                     - 14 -

<PAGE>   15


                                   ARTICLE III

              REPRESENTATIONS AND WARRANTIES OF BMC AND MERGER SUB

         BMC and Merger Sub represent and warrant subject to the exceptions
specifically described in writing in the disclosure schedule delivered by BMC to
BGS and dated the date hereof (the "BMC Disclosure Schedule") as follows:

         3.1.   Organization and Standing. Each of BMC and Merger Sub is a
corporation duly organized, validly existing and in good standing under the laws
of its state of incorporation, has full requisite corporate power and authority
to carry on its business as it is currently conducted, and to own and operate
the properties currently owned and operated by it and is duly qualified or
licensed to do business and is in good standing as a foreign corporation
authorized to do business in all jurisdictions in which the character of the
properties owned or the nature of the business conducted by it would make such
qualification or licensing necessary, except where the failure to be so
qualified or licensed could not reasonably be expected to have a Material
Adverse Effect on BMC. As hereinafter used in this Article III, the term "BMC"
also includes any and all of its directly and indirectly held subsidiaries,
except where the context indicates to the contrary; provided, however, that for
purposes of Section 3.9, the term "BMC" further includes any corporation, trade,
business or entity under common control with BMC within the meaning of Section
414(b), (c), (m) or (o) of the Code or Section 4001 of ERISA.

         3.2.   Agreement Authorized and its Effect on Other Obligations. The
consummation of the transactions contemplated hereby have been duly and validly
authorized by all necessary corporate action on the part of BMC and Merger Sub,
and this Agreement is a valid and binding obligation of BMC and Merger Sub
enforceable against BMC and Merger Sub (subject to normal equitable principles)
in accordance with its terms, except as enforceability may be limited by
bankruptcy, insolvency, reorganization, debtor relief or similar laws affecting
the rights of creditors generally. At the Effective Time and except as specified
in Section 3.2 of the BMC Disclosure Schedule, the consummation of the merger
contemplated by this Agreement will not conflict with or result in a violation
or breach of any term or provision of, nor constitute a default under (i) the
certificate of incorporation or bylaws of BMC, (ii) the articles of organization
or bylaws of Merger Sub or (iii) any obligation, indenture, mortgage, deed of
trust, lease, contract or other agreement to which BMC or any of its
subsidiaries is a party or by which any of them or their properties are bound,
other than such violations, breaches or defaults as could not reasonably be
expected to have a Material Adverse Effect on BMC.

         3.3.   Capitalization. (a) The capitalization of BMC consists of
1,000,000 shares of preferred stock, par value $.01 per share, of which at
December 31, 1997 no shares were issued or outstanding; and 300,000,000 shares
of BMC Common Stock, par value $.01 per share, of which at December 31, 1997,
105,040,000 shares were issued and outstanding, an additional 28,507,026 shares
were reserved for issuance in connection with various BMC benefit plans and an
additional 3,023,050 shares were reserved for issuance upon exercise of
outstanding warrants; at the same date, 3,350,417 shares of BMC Common Stock
were held in BMC's treasury. Other than as set forth above, BMC has no
outstanding options, warrants or obligations of any kind to issue shares of its
capital stock.

                                     - 15 -

<PAGE>   16


         (b)    The capitalization of Merger Sub consists of 1,000 shares of
common stock, par value $.01 per share ("Merger Sub Common Stock"), of which as
of the date hereof, 100 were issued and outstanding and none were reserved for
issuance. As of the date hereof, all of the outstanding shares of Merger Sub
Common Stock are owned free and clear of any liens, claims or encumbrances by
BMC.

         3.4.   Reports and Financial Statements. BMC has previously furnished
to BGS true and complete copies of (a) all annual reports filed with the
Commission pursuant to the Exchange Act, since January 1, 1995, (b) BMC's
quarterly and other reports filed with the Commission since January 1, 1995, (c)
all definitive proxy solicitation materials filed with the Commission since
January 1, 1995, and (d) any registration statements declared effective by the
Commission since January 1, 1995. The consolidated financial statements of BMC
and its subsidiaries included in BMC's most recent report on Form 10-K and most
recent report on Form 10-Q, and any other reports filed with the Commission by
BMC under the Exchange Act subsequent thereto (the "BMC Reports") were, or (if
filed after the date hereof) will be, prepared in accordance with generally
accepted accounting principles applied on a consistent basis during the periods
involved and fairly present, or will present, the consolidated financial
position for BMC and its subsidiaries as of the dates thereof and the
consolidated results of their operations and changes in financial position for
the periods then ended (except with respect to interim period financial
statements, for normal year-end adjustments which are not material); and the BMC
Reports did not and will not contain any untrue statement of a material fact or
omit to state a material fact required to be stated therein or necessary to make
the statements therein, in light of the circumstances under which they were
made, not misleading. Since January 1, 1995, BMC has filed with the Commission
all reports required to be filed by BMC under the Exchange Act and the rules and
regulations of the Commission.

         3.5.   Liabilities. BMC does not have any liabilities or obligations,
either accrued, absolute, contingent, or otherwise, or have any knowledge of any
potential liabilities or obligations, which would have a Material Adverse Effect
on BMC, other than those (i) disclosed in the BMC Reports or (ii) set forth in
Section 3.5 of the BMC Disclosure Schedule hereto.

         3.6.   No Undisclosed Defaults. Except as may be specified in the BMC
Reports or in Section 3.6 of the BMC Disclosure Schedule, BMC is not in default
in any material obligation or covenant on its part to be performed under any
material obligation, lease, contract, order, plan or other arrangement.

         3.7.   Absence of Certain Changes and Events in BMC. Except as set
forth in the BMC Reports or in Section 3.7 of the BMC Disclosure Schedule
hereto, other than as a result of the transactions contemplated by this
Agreement, since September 30, 1997, there has not been:

                3.7.1. Financial Change. Any adverse change in the financial
         condition, operations, assets or business of BMC which could reasonably
         be expected to have a Material Adverse Effect on BMC;

                3.7.2. Property Damage. Any material damage, destruction, or
         loss to the business or properties of BMC (whether or not covered by
         insurance);


                                     - 16 -

<PAGE>   17


                3.7.3. Dividends. Any declaration, setting aside, or payment of
         any dividend or other distribution in respect of BMC's capital stock,
         or any direct or indirect redemption, purchase or any other acquisition
         of such stock;

                3.7.4. Capitalization Change. Any change in the capital stock or
         in the number of shares or classes of BMC's authorized or outstanding
         capital stock as described in Paragraph 3.3;

                3.7.5. Labor Disputes. Any labor dispute (other than routine
         grievances); or

                3.7.6. Other Material Changes. Any other event or condition
         known to BMC particularly pertaining to and adversely affecting the
         operations, assets or business of BMC which could reasonably be
         expected to have a Material Adverse Effect on BMC.

         3.8.   Finder's Fee. All negotiations relative to this Agreement and
the transactions contemplated hereby have been carried on by BMC and its
counsel, directly with BGS or its counsel, without the intervention of any other
person as the result of an act of BMC and, so far as known to BMC, without the
intervention of any other person in such manner as to give rise to any valid
claim against any of the parties hereto for a brokerage commission, finder's
fee, or any similar payments, other than financial advisory fees to be paid by
(i) BMC to GS and (ii) BGS to Broadview in connection with the merger
contemplated by this Agreement.

         3.9.   Compliance With ERISA. BMC will make available to BGS a copy of
all bonus, incentive compensation, stock option, deferred compensation,
profit-sharing, retirement, pension, welfare, severance pay, supplemental
income, group insurance, death benefit, or other fringe benefit plans,
arrangements or trust agreements covering active, former or retired employees of
BMC (collectively, the "BMC Plans"), any related summary plan description, trust
agreement and annuity or insurance contract, if any, and each plan's most recent
annual report filed with the Internal Revenue Service, if any, the most recent
reports with respect to such plans, trust agreements and annuity or insurance
contracts filed with any governmental agency, all Internal Revenue Service
determination letters that have been received with respect to such plans and:
(i) each BMC Plan has been maintained and administered in material compliance
with its terms and with the requirements prescribed by any and all applicable
statutes, orders, rules and regulations, and is, to the extent required by
applicable law or contract, fully funded without having any deficit or unfunded
actuarial liability; (ii) all required contributions under any such plans have
been made and the applicable funds have been funded in accordance with the terms
thereof and no past service funding liabilities exist thereunder; (iii) each BMC
Plan that is required or intended to be qualified under applicable law or
registered or approved by a governmental agency or authority has been so
qualified, registered or approved by the appropriate governmental agency or
authority, and nothing has occurred since the date of the last qualification,
registration or approval to adversely affect, or cause, the appropriate
governmental agency or authority to revoke such qualification, registration or
approval; (iv) to the extent applicable, the BMC Plans comply, in all material
respects, with the requirements of ERISA and the Code, and any BMC Plan intended
to be qualified under Section 401(a) of the Code has been determined by the
Internal Revenue Service to be so qualified and nothing has occurred to cause
the loss of such qualified status; (v) no BMC Plan is covered by Title IV of
ERISA or Section 412 of the Code; (vi) there are no pending or anticipated
material claims against or

                                     - 17 -

<PAGE>   18


otherwise involving any of the BMC Plans and no suit, action or other litigation
(excluding claims for benefits incurred in the ordinary course of BMC Plan
activities) has been brought against or with respect to any BMC Plan; (vii) all
material contributions, reserves or premium payments, required to be made as of
the date hereof to the BMC Plans have been made or provided for; (viii) BMC has
not incurred any liability under subtitle C or D of Title IV of ERISA with
respect to any "single-employer plan," within the meaning of Section 4001(a) of
ERISA, currently or formerly maintained by BMC; (ix) BMC has not incurred any
withdrawal liability under Subtitle E of Title IV of ERISA with respect to any
"multiemployer plan," within the meaning of Section 4001(a)(3) of ERISA; (x) BMC
has substantially performed all obligations, whether arising by law or by
contract, required to be performed by it in connection with the BMC Plans; (xi)
no act, omission or transaction has occurred which would result in imposition on
BMC of (a) a civil penalty assessed pursuant to subsections (c), (i) or (l) of
Section 502 of ERISA, (b) breach of fiduciary duty liability damages under
Section 409 of ERISA or (c) a tax imposed pursuant to Chapter 43 of Subtitle D
of the Code; (xii) in connection with the consummation of the transactions
contemplated by this Agreement, no payments have or will be made hereunder,
under the BMC Plans or otherwise by BMC which, in the aggregate, would result in
imposition of the sanctions imposed under Sections 280G and 4999 of the Code;
and (xiii) BMC does not have any obligations for retiree health and life
benefits under any BMC Plan, except as set forth on Section 3.9 of the BMC
Disclosure Schedule, and there are no restrictions on the rights of BMC to amend
or terminate any such BMC Plan without incurring any liability thereunder.

         3.10.  Investigations; Litigation. Except as required pursuant to HSR
and any applicable comparable foreign laws and regulations, (i) no investigation
or review by any governmental entity with respect to BMC in connection with any
of the transactions contemplated by this Agreement is pending or, to the best of
BMC's knowledge, threatened, nor has any governmental entity indicated to BMC an
intention to conduct the same and (ii) there is no action, suit or proceeding
pending or, to the best of BMC's knowledge, threatened against or affecting BMC
or its subsidiaries at law or in equity, or before any federal, state, municipal
or other governmental department, commission, board, bureau, agency or
instrumentality, which either individually or in the aggregate, could reasonably
be expected to have a Material Adverse Effect on BMC.

         3.11.  Information for Proxy Statement. All information and data
(including financial statements) concerning BMC which is or will be included in
the Proxy Statement to be issued in connection with the transactions
contemplated by this Agreement will be furnished by BMC for inclusion therein
and will not contain any untrue statement of a material fact or omit to state a
material fact necessary in order to make the statements contained therein not
misleading.

         3.12.  Actions Preventing Treatment as a Reorganization. Neither BMC
nor, to the knowledge of BMC, any of its affiliates has taken or agreed to take
any action that would prevent the Merger from constituting a reorganization
qualifying under the provisions of Section 368(a) of the Code.

         3.13.  Pooling. Neither BMC, nor to the knowledge of BMC, any of its
affiliates has taken or agreed to take any action that would prevent the Merger
from being treated as a Pooling Transaction.

                                     - 18 -

<PAGE>   19


                                   ARTICLE IV

                       OBLIGATIONS PENDING EFFECTIVE TIME

         4.1.   Agreements of BGS. BGS agrees that from the date hereof to the
Effective Time, it will:

                4.1.1. Maintenance of Present Business. Other than as
         contemplated by this Agreement, operate its business only in the usual,
         regular, and ordinary manner so as to maintain the goodwill it now
         enjoys and, to the extent consistent with such operation, use all
         reasonable efforts to preserve intact its present business
         organization, keep available the services of its present officers and
         employees, and preserve its relationships with customers, suppliers,
         jobbers, distributors, and others having business dealings with it, and
         in connection therewith it shall not substantially deviate from its
         licensing and pricing practices;

                4.1.2. Maintenance of Properties. At its expense, maintain all
         of its property and assets in customary repair, order, and condition,
         reasonable wear and use and damage by fire or unavoidable casualty
         excepted;

                4.1.3. Maintenance of Books and Records. Maintain its books of
         accounts and records in the usual, regular, and ordinary manner, in
         accordance with generally accepted accounting principles applied on a
         consistent basis;

                4.1.4. Compliance with Law. Duly comply in all material respects
         with all laws applicable to it and to the conduct of its business;

                4.1.5. Compliance with Agreement. At its expense, take all
         commercially reasonable actions as may be necessary (i) to insure that
         the representations and warranties made by it herein are true and
         correct at the Effective Time, (ii) to fully perform all covenants made
         by it herein and (iii) to satisfy timely all other obligations imposed
         upon it by this Agreement; and

                4.1.6. Inspection. Permit BMC and its officers and authorized
         representatives, during normal business hours, to inspect its records
         and to consult with its officers, employees, attorneys, and agents for
         the purpose of determining the accuracy of the representations and
         warranties hereinabove made and the compliance with covenants contained
         in this Agreement; and

                4.1.7. Maintenance of Intellectual Property. Not take any action
         that would, or fail to take any action the failure of which would,
         cause directly or indirectly any of its Intellectual Property to enter
         the public domain or that could otherwise adversely affect its
         Intellectual Property.


                                     - 19 -

<PAGE>   20


         4.2.   Agreements of BMC and BGS. BMC and BGS agree to take the
following actions after the date hereof:

                4.2.1. Hart-Scott-Rodino. Each party shall file such materials
         as are required under the HSR Act with respect to the transactions
         contemplated hereby and shall cooperate with the other party to the
         extent necessary to assist the other party in the preparation of such
         filings.

                4.2.2. Proxy Statement. BMC and BGS shall cooperate in the
         preparation and prompt filing of the Proxy Statement with the
         Commission with respect to the meeting of BGS's stockholders called for
         the purpose of, among other things, securing stockholder approval of
         the Merger and the consummation of the transactions herein
         contemplated. Each of BMC and BGS shall use all reasonable efforts to
         have the Proxy Statement cleared by the Commission.

                4.2.3. Notice of Material Development. Each of BMC and BGS will
         promptly notify the other party in writing of (i) any event occurring
         subsequent to the date of this Agreement which would render any
         representation or warranty of such party contained in this Agreement
         untrue or inaccurate in any material respect, (ii) any Material Adverse
         Effect on such party and (iii) breach by such party of any covenant or
         agreement contained in this Agreement.

                4.2.4. Pooling. Each party hereto shall use all reasonable
         efforts to cause the Merger to be treated for financial accounting
         purposes as a Pooling Transaction, and shall not take, and shall use
         all reasonable efforts to prevent any affiliate of such party from
         taking, any actions which could prevent the Merger from being treated
         for financial accounting purposes as a Pooling Transaction.

         4.3.   Additional Agreements of BGS. BGS agrees that from the date
hereof to the Effective Time, it will:

                4.3.1. Prohibition of Certain Employment Contracts. Not enter
         into any contracts of employment which (i) cannot be terminated on
         notice of 14 days or less or (ii) provide for any increase in
         compensation outside the ordinary course of business consistent with
         past practice, severance payments or benefits covering a period beyond
         the termination date (other than those which BMC has previously
         approved) except as contemplated by this Agreement or as may be
         required by law;

                4.3.2. Prohibition of Certain Loans. Not incur any borrowings
         except (i) the prepayment by customers of amounts due or to become due
         for goods sold or services rendered or to be rendered in the future,
         (ii) trade payables incurred in the ordinary course of business, (iii)
         other borrowings incurred in the ordinary course of business to finance
         normal operations or (iv) as is otherwise agreed to in writing by BMC;

                4.3.3. Prohibition of Certain Commitments. Not enter into
         commitments of a capital expenditure nature or incur any contingent
         liability which would exceed

                                     - 20 -

<PAGE>   21



         $1,000,000, in the aggregate, except (i) as may be necessary for the
         maintenance of existing facilities and equipment in good operating
         condition and repair in the ordinary course of business, (ii) as may be
         required by law or (iii) as is otherwise agreed to in writing by BMC;

                4.3.4. Disposal of Assets. Not sell, dispose of, or encumber,
         any property or assets, except (i) in the ordinary course of business
         or (ii) as is otherwise agreed to in writing by BMC;

                4.3.5. Maintenance of Insurance. Maintain insurance (or self
         insurance reserves) upon all its properties and with respect to the
         conduct of its business of such kinds and in such amounts as is
         customary in the type of business in which it is engaged, but not less
         than that presently carried by it, which insurance (or self insurance
         reserves) may be added to from time to time in its discretion;
         provided, that if during the period from the date hereof to and
         including the Effective Time any of its property or assets are damaged
         or destroyed by fire or other casualty, the obligations of BMC and BGS
         under this Agreement shall not be affected thereby (subject, however,
         to the provision that the coverage limits of such policies are adequate
         in amount to cover the replacement value of such property or assets and
         loss of profits during replacement, less commercially reasonable
         deductibles, if of material significance to the assets or operations of
         BGS) but it shall promptly notify BMC in writing thereof and proceed
         with the repair or restoration of such property or assets in such
         manner and to such extent as may be approved by BMC, and upon the
         Effective Time all proceeds of insurance and claims of every kind
         arising as a result of any such damage or destruction shall remain the
         property of BGS;

                4.3.6. BGS Acquisition Proposals. Not directly or indirectly:

                       4.3.6.1. No Solicitation. Authorize or permit any of its
                respective agents to: (i) solicit, initiate, encourage
                (including by way of furnishing information) or take any other
                action to facilitate, any inquiry or the making of any proposal
                which constitutes, or may reasonably be expected to lead to, any
                acquisition or purchase of a substantial amount of assets of, or
                any equity interest in, BGS or any merger, consolidation,
                business combination, sale of substantially all assets, sale of
                securities, recapitalization, liquidation, dissolution or
                similar transaction involving BGS (other than the transactions
                contemplated by this Agreement) or any other material corporate
                transactions the consummation of which would, or could
                reasonably be expected to, impede, interfere with, prevent or
                materially delay the Merger (collectively, "BGS Transaction
                Proposals") or agree to or endorse any BGS Transaction Proposal
                or (ii) propose, enter into or participate in any discussions or
                negotiations regarding any of the foregoing, or furnish to
                another person any information with respect to its business,
                properties or assets or any of the foregoing, or otherwise
                cooperate in any way with, or assist or participate in,
                facilitate or encourage, an effort or attempt by any other
                person to do or seek any of the foregoing, provided, however,
                that the foregoing clauses (i) and (ii) shall not prohibit BGS
                from (A) furnishing information pursuant to an appropriate
                confidentiality letter concerning BGS and its businesses,
                properties or assets to a third party who has made a Superior
                BGS Transaction Proposal (as

                                     - 21 -

<PAGE>   22

                defined below), (B) engaging in discussions or negotiations with
                a third party who has made a Superior BGS Transaction Proposal
                or (C) following receipt of a Superior BGS Transaction Proposal,
                taking and disclosing to its stockholders a position with
                respect thereto or changing the recommendation by BGS's board of
                directors, but in each case referred to in the foregoing clauses
                (A) through (C) only after the board of directors of BGS
                concludes in good faith following advice of its outside counsel,
                represented by a written opinion, that such action is reasonably
                necessary in order for the board of directors of BGS to comply
                with its fiduciary obligations to BGS's stockholders under
                applicable law. If the board of directors of BGS receives a BGS
                Transaction Proposal, then BGS shall immediately inform BMC of
                the terms and conditions of such proposal and the identity of
                the person making it and shall keep BMC fully informed of the
                status and details of any such BGS Transaction Proposal and of
                all steps it is taking in response to such BGS Transaction
                Proposal; provided that nothing contained in this Paragraph
                4.3.6.1 shall prohibit BGS or its board of directors from making
                such disclosure to BGS's stockholders or taking any action
                which, in the good faith judgment of BGS's board of directors
                based on a written opinion of its outside counsel, may be
                required under applicable law, including Rules 14d-9 and 14e-2
                promulgated under the Exchange Act. For purposes of this
                Agreement, the term "Superior BGS Transaction Proposal" shall
                mean a bona fide BGS Transaction Proposal that the board of
                directors of BGS determines in good faith after consultation
                with (and based in part on the advice of) its independent
                financial advisors to be more favorable to BGS and BGS's
                stockholders than the Merger, is reasonably capable of being
                financed and is not subject to any material contingencies
                relating to financing.

                       4.3.6.2 Acceptance of Superior BGS Transaction Proposals.
                If (i) this Agreement is terminated by BGS pursuant to Paragraph
                6.1.5 hereof, or (ii) BGS enters into an agreement which
                provides for Another BGS Transaction (as defined below) or
                Another BGS Transaction is consummated (in each case with any
                third party which after the date of this Agreement and before
                termination of this Agreement has communicated to it a BGS
                Transaction Proposal), in either case within twelve months after
                the date of termination of this Agreement, then, in any such
                event unless this Agreement has been terminated by BGS pursuant
                to Section 6.1.4, Section 6.1.6, Section 6.1.8 or Section 6.1.9,
                BGS shall pay to BMC simultaneously with termination by BGS in
                the case of the occurrence of any of the events specified in
                clause (i) above, and immediately upon the first to occur of the
                entering into an agreement providing for, or the consummation
                of, Another BGS Transaction in the case of clause (ii) above (by
                wire transfer of immediately available funds to an account
                designated by BMC for such purpose), a fee (the "Break-Up Fee")
                in an amount equal to $9,000,000. BGS agrees that the Break-Up
                Fee is a reasonable determination, in light of the uncertainty
                and difficulty of ascertaining the exact amount thereof, of the
                loss that BMC would actually sustain in respect of one of the
                events described in this Paragraph 4.3.6.2. For purposes of this
                Paragraph 4.3.6.2, the term "Another BGS Transaction" shall mean
                any transaction pursuant to which (1) any person, entity or
                group (within the meaning of Section 13(d)(3) of the Exchange
                Act)

                                     - 22 -

<PAGE>   23


                (each, a "Third Party") acquires 50% or more of the outstanding
                BGS Common Stock, (ii) a Third Party acquires 25% or more of the
                total assets of BGS taken as a whole, (iii) a Third Party
                merges, consolidates or combines in any other way with BGS other
                than in a transaction in which holders of BGS Common Stock
                continue to own at least 75% of the equity of the surviving
                corporation, or (iv) BGS distributes or transfers to its
                stockholders, by dividend or otherwise, assets constituting 25%
                or more of the market value or earning power of BGS on a
                consolidated basis (it being understood that stock of
                subsidiaries constitute assets of BGS for purposes of this
                Paragraph 4.3.6.2).

                4.3.7.  No Amendment to Articles of Organization, etc. Without
         the consent of BMC, not amend its articles of organization or bylaws or
         other organizational documents or merge or consolidate with or into any
         other corporation or change in any manner the rights of its capital
         stock or the character of its business;

                4.3.8.  No Issuance, Sale, or Purchase of Securities. Without
         the consent of BMC, not issue or sell, or issue options or rights to
         subscribe to, or enter into any contract or commitment to issue or sell
         (upon conversion or otherwise), any shares of its capital stock or
         subdivide or in any way reclassify any shares of its capital stock, or
         acquire, or agree to acquire, any shares of its capital stock;
         provided, that nothing in this Section shall restrict or prohibit the
         issuance by BGS of shares of BGS Common Stock upon exercise of options
         previously granted under existing benefit plans;

                4.3.9.  Prohibition on Dividends. Without the consent of BMC,
         not declare or pay any dividend on shares of its capital stock (other
         than ordinary quarterly cash dividends in accordance with past practice
         not to exceed $.30 per quarter) or make any other distribution of
         assets to the holders thereof;

                4.3.10. Supplemental Financial Statements. Deliver to BMC,
         within 90 days after the end of the fiscal year ended January 31, 1998
         the audited consolidated financial statements of BGS included in its
         report on Form 10-K. Deliver to BMC, within 45 days after the end of
         each fiscal quarter of BGS beginning April 30, 1998 and through the
         Effective Time, unaudited consolidated balance sheets and related
         unaudited statements of income, retained earnings and cash flows as of
         the end of each fiscal quarter of BGS, and as of the corresponding
         fiscal quarter of the previous fiscal year. BGS hereby represents and
         warrants that such unaudited consolidated financial statements shall
         (i) be complete in all material respects except for the omission of
         notes and schedules contained in audited financial statements, (ii)
         present fairly the financial condition of BGS as at the dates indicated
         and the results of operations for the respective periods indicated
         (except for normal year-end adjustments which are not material), (iii)
         shall have been prepared in accordance with generally accepted
         accounting principles applied on a consistent basis, except as noted
         therein and (iv) shall contain all adjustments which BGS considers
         necessary for a fair presentation of its results for each respective
         fiscal period;

                4.3.11. Notice of Material Developments. Promptly furnish to BMC
         copies of all communications from BGS to its stockholders and all BGS
         Reports. BGS shall give prompt notice to BMC of (i) the occurrence or
         non-occurrence of any event the

                                     - 23 -

<PAGE>   24



         occurrence or non- occurrence of which would cause any BGS
         representation or warranty contained in this Agreement to be untrue or
         inaccurate at or prior to the Effective Time and (ii) any material
         failure of BGS to comply with or satisfy any covenant, condition or
         agreement to be complied with or satisfied by it hereunder; provided,
         however, that the delivery of any notice pursuant to this Section
         4.3.11 shall not limit or otherwise affect the remedies available
         hereunder to BMC.

                4.3.12. Stockholders' Meeting. Call and hold a meeting of
         stockholders within 45 days after the Commission has indicated that it
         has no further comments on the Proxy Statement for the purpose of
         considering and acting upon a proposal to approve this Agreement and
         the Merger.

                4.3.13. Employment Agreements. BGS shall use its best efforts to
         obtain on or prior to the Effective Time, employment agreements with
         such employees of BGS as reasonably requested by BMC.

                4.3.14. Union Contracts and BGS Plans. Except as required by
         law, without the written consent of BMC, not directly or indirectly (i)
         enter into or modify any collective bargaining agreement with any labor
         union or other representative of employees, (ii) increase the
         compensation or benefits of any employee of BGS or any of its
         subsidiaries, (iii) amend or terminate any BGS Plan, or (iv) enter into
         or adopt any new employee benefit plan, policy or arrangement.

         4.4.   Additional Agreements of BMC. BMC agrees that from the date
hereof to the Effective Time, it will:

                4.4.1. No Amendment to Certificate of Incorporation, etc. Except
         as otherwise provided herein, not amend its certificate of
         incorporation or bylaws or other organizational documents or merge into
         any other corporation or change in any manner the rights of its Common
         Stock;

                4.4.2. No Issuance, Sale, or Purchase of Securities. Not issue
         or sell, or issue options (other than (i) options previously authorized
         by the compensation committee of BMC's board of directors or (ii)
         options granted to new personnel upon commencement of employment) or
         rights to subscribe to, or enter into any contract or commitment to
         issue or sell (upon conversion or otherwise), any shares of its capital
         stock or subdivide or in any way reclassify any shares of its capital
         stock, or acquire, or agree to acquire, any shares of its capital
         stock; provided, that nothing in this Section 4.4.2 shall restrict or
         prohibit the issuance by BMC of shares of BMC Common Stock upon
         exercise of options previously granted under existing employee benefit
         plans, the issuance of shares of BMC Common Stock upon exercise of
         outstanding warrants, or the issuance of up to 2,000,000 shares of BMC
         Common Stock in the acquisition of other businesses in "non-dilutive"
         (for financial reporting purposes) transactions if such acquired
         businesses would not individually or collectively constitute a
         "significant subsidiary" of BMC;

                4.4.3. Prohibition on Dividends. Not declare or pay any dividend
         on shares of its capital stock or make any other distribution of assets
         to the holders thereof;

                                     - 24 -

<PAGE>   25


                4.4.4. Issuance of BMC Common Stock. Take all action it deems
         reasonably necessary to register the "issuance" of BMC Common Stock to
         the stockholders of BGS in connection with the merger contemplated by
         this Agreement under the Securities Act of 1933, as amended (the
         "Securities Act"). BMC also shall take any action reasonably required
         to be taken under state blue sky or securities laws in connection with
         the issuance of the BMC Common Stock pursuant to the Merger;

                4.4.5. Listing of BMC Stock. Take such steps as are required to
         accomplish, as of the Effective Time, the Notification of Additional
         Listing of the shares of BMC Common Stock to be issued pursuant to this
         Agreement on the Nasdaq National Market; and

                4.4.6. Notice of Material Developments. Promptly furnish to BGS
         copies of all communications from BMC to its stockholders and all BMC
         Reports. BMC shall give prompt notice to BGS of (i) the occurrence or
         non-occurrence of any event the occurrence or non-occurrence of which
         would cause any BMC representation or warranty contained in this
         Agreement to be untrue or inaccurate at or prior to the Effective Time
         and (ii) any material failure of BMC to comply with or satisfy any
         covenant, condition or agreement to be complied with or satisfied by it
         hereunder; provided, however, that the delivery of any notice pursuant
         to this Section 4.4.6 shall not limit or otherwise affect the remedies
         available hereunder to BGS.

                4.4.7 Compliance with Agreement. At its expense, take all
         commercially reasonable actions as may be necessary (i) to insure that
         the representations and warranties made by it herein are true and
         correct at the Effective Time, (ii) to fully perform all covenants made
         by it herein and (iii) to satisfy timely all other obligations imposed
         upon it by this Agreement.


                                    ARTICLE V

                       CONDITIONS PRECEDENT TO OBLIGATIONS

         5.1.   Conditions Precedent to Obligations of BGS. The obligations of
BGS to consummate and effect the Merger shall be subject to the satisfaction of
the following conditions, or to the waiver thereof by BGS in the manner
contemplated by Section 6.4 before the Effective Time:

                5.1.1. Representations and Warranties of BMC True at Effective
         Time. The representations and warranties of BMC herein contained shall
         be, in all respects, true as of and at the Effective Time with the same
         effect as though made at such date, except as affected by transactions
         permitted or contemplated by this Agreement and except for those
         representations and warranties that address matters only as of a
         particular date (which shall remain true and correct as of such
         particular date), provided that any inaccuracies in such
         representations and warranties will be disregarded if the circumstances
         giving rise to all such inaccuracies (considered collectively) do not
         constitute, and are not reasonably expected to result in, a Material
         Adverse Effect (it

                                     - 25 -

<PAGE>   26

         being understood that any materiality qualifications contained in such
         representations and warranties shall be disregarded for this purpose);
         BMC shall have performed and complied, in all material respects, with
         all covenants required by this Agreement to be performed or complied
         with by BMC before the Effective Time; and BMC shall have delivered to
         BGS a certificate, dated the Effective Time and signed by its chairman
         of the board and by its chief financial or accounting officer to both
         such effects.

                5.1.2. No Material Litigation. No suit, action, or other
         proceeding shall be pending, or to BMC's knowledge, threatened, before
         any court or governmental agency in which it will be, or it is, sought
         to restrain or prohibit or to obtain damages or other relief in
         connection with this Agreement or the consummation of the Merger or
         which could reasonably be expected to have a Material Adverse Effect on
         BMC.

                5.1.3. Opinion of BMC Counsel. BGS shall have received a
         favorable opinion, dated as of the Effective Time from Vinson & Elkins
         L.L.P., counsel for BMC, to the effect that (i) BMC has been duly
         incorporated and is validly existing as a corporation in good standing
         under the laws of the State of Delaware; (ii) all corporate proceedings
         required to be taken by or on the part of BMC to authorize the
         execution of this Agreement and the implementation of the Merger have
         been taken; (iii) the shares of BMC Common Stock which are to be
         delivered in accordance with this Agreement will, when issued, be
         validly issued, fully paid and nonassessable outstanding securities of
         BMC; (iv) this Agreement has been duly executed and delivered by BMC;
         (v) the Registration Statement on Form S-4 (which contains the Proxy
         Statement relating to the merger contemplated hereby) has become
         effective and no stop order has been issued by the Commission; (vi)
         this Agreement has been duly executed and delivered by BMC and the
         Stockholder Agreements have been duly executed by BMC; (vii) this
         Agreement constitutes the legal, valid and binding obligation of BMC
         and the Stockholder Agreements constitute the legal, valid and binding
         obligations of BMC, each enforceable in accordance with its terms,
         except as may be limited by applicable bankruptcy, insolvency,
         reorganization, moratorium or similar laws affecting the enforcement of
         creditors' rights generally and by general principles of equity and
         public policy; and (viii) except as specified by such counsel (such
         exceptions to be acceptable to BGS) such counsel does not know of any
         material litigation, proceedings, or governmental investigation pending
         or threatened against or relating to BMC, any of its subsidiaries, or
         their respective properties or businesses in which it is sought to
         restrain, prohibit or otherwise affect the consummation of the
         transactions contemplated by this Agreement. Such opinion also shall
         cover such other matters incident to the transactions herein
         contemplated as BGS and its counsel may reasonably request. In
         rendering such opinion, such counsel may rely upon (i) certificates of
         public officials and of officers of BMC as to matters of fact and (ii)
         the opinion or opinions of other counsel, which opinions shall be
         reasonably satisfactory to BGS, as to matters other than federal or
         Texas law.

                5.1.4. Stockholder Approval. At the meeting of stockholders of
         BGS to be held before the Effective Time, the holders of two-thirds of
         the outstanding shares of BGS Common Stock shall have approved the
         Merger and this Agreement.


                                     - 26 -

<PAGE>   27


                5.1.5. Hart-Scott-Rodino, etc. All waiting periods required by
         HSR shall have expired with respect to the transactions contemplated by
         this Agreement, or early termination with respect thereto shall have
         been obtained without the imposition of any governmental request or
         order requiring the sale or disposition or holding separate (through a
         trust or otherwise) of particular assets or businesses of BMC, its
         affiliates or any component of BGS or other actions as a precondition
         to the expiration of any waiting period or the receipt of any necessary
         governmental approval or consent. In addition, any approvals required
         under any state or foreign laws comparable to HSR shall have been
         obtained.

                5.1.6. Registration; Listing of BMC Common Stock. On the
         Effective Time (i) the Proxy Statement shall have become effective
         under the Securities Act, and (ii) the shares of BMC Common Stock
         issuable at the Effective Time of the Merger shall have become eligible
         for trading on the Nasdaq National Market.

                5.1.7. Stock Options. BMC shall have made effective provision
         for the assumption or substitution at the Effective Time of all stock
         options outstanding under plans maintained by BGS.

                5.1.8. Ancillary Matters. BGS shall have received a favorable
         opinion from Broadview for inclusion in the Proxy Statement as to the
         fairness, from a financial point of view, to the BGS stockholders of
         the Merger Consideration, which opinion shall not have been withdrawn
         at the Effective Time.

                5.1.9. Tax Opinion. Palmer & Dodge LLP shall have delivered to
         BGS its written opinion as of the date that the Proxy Statement is
         first mailed to BGS stockholders substantially to the effect that (x)
         the Merger will constitute a reorganization within the meaning of
         Section 368(a) of the Code, (y) BMC, Merger Sub and BGS will each be a
         party to that reorganization within the meaning of Section 368(b) of
         the Code, and (z) no gain or loss for U.S. federal income tax purposes
         will be recognized by the holders of BGS Common Stock upon receipt of
         shares of BMC Common Stock in the merger, except with respect to any
         cash received in lieu of a fractional share interest in BMC Common
         Stock, and such opinion shall not have been withdrawn or modified in
         any material respect.

         5.2.   Conditions Precedent to Obligations of BMC. The obligations of
BMC to consummate and effect the Merger shall be subject to the satisfaction of
the following conditions, or to the waiver thereof by BMC in the manner
contemplated by Section 6.4 before the Effective Time.

                5.2.1. Representations and Warranties of BGS True at Effective
         Time. The representations and warranties of BGS herein contained shall
         be, in all respects, true as of and at the Effective Time with the same
         effect as though made at such date, except as affected by transactions
         permitted or contemplated by this Agreement and except for those
         representations and warranties that address matters only as of a
         particular date (which shall remain true and correct as of such
         particular date), provided that any inaccuracies in such
         representations and warranties will be disregarded if the

                                     - 27 -

<PAGE>   28


         circumstances giving rise to all such inaccuracies (considered
         collectively) do not constitute, and are not reasonably expected to
         result in, a Material Adverse Effect (it being understood that any
         materiality qualifications contained in such representations and
         warranties shall be disregarded for this purpose); BGS shall have
         performed and complied, in all material respects, with all covenants
         required by this Agreement to be performed or complied with by BGS
         before the Effective Time; and BGS shall have delivered to BMC a
         certificate, dated the Effective Time and signed by its chairman of the
         board and by its chief financial or accounting officer to both such
         effects.

                5.2.2. No Material Litigation. No suit, action, or other
         proceeding shall be pending, or to BGS's knowledge, threatened, before
         any court or governmental agency in which it will be, or it is, sought
         to restrain or prohibit or to obtain damages or other relief in
         connection with this Agreement or the consummation of the Merger or
         which could reasonably be expected to have a Material Adverse Effect on
         BGS.

                5.2.3. Opinion of BGS's Counsel. BMC shall have received a
         favorable opinion, dated the Effective Time, from Palmer & Dodge LLP,
         counsel to BGS to the effect that (i) BGS has been duly incorporated
         and is validly existing as a corporation in corporate good standing
         under the laws of The Commonwealth of Massachusetts; (ii) all
         outstanding shares of the BGS Common Stock have been validly issued and
         are fully paid and nonassessable; (iii) all corporate or other
         proceedings required to be taken by or on the part of BGS to authorize
         the execution of this Agreement and the implementation of the Merger
         have been taken; (iv) this Agreement has been duly executed and
         delivered by BGS and the Stockholder Agreements have been duly executed
         and delivered by the stockholders party thereto; (v) this Agreement
         constitutes the legal, valid and binding obligation of BGS and the
         Stockholder Agreements constitute the legal, valid and binding
         obligations of the stockholders party thereto, each enforceable in
         accordance with its terms, except as may be limited by applicable
         bankruptcy, insolvency, reorganization, moratorium or similar laws
         affecting the enforcement of creditors' rights generally and by general
         principles of equity and public policy; and (vi) except as specified by
         such counsel (such exceptions to be acceptable to BMC) such counsel
         does not know of any material litigation, proceedings or governmental
         investigation, pending or threatened against or relating to BGS or its
         properties or businesses in which it is sought to restrain, prohibit or
         otherwise affect consummation of the transactions contemplated by this
         Agreement. Such opinion shall also cover such other matters incident to
         the transactions herein contemplated as BMC and its counsel may
         reasonably request. In rendering such opinion, such counsel may rely
         upon (i) certificates of public officials and of officers of BGS as to
         matters of fact and (ii) on the opinion or opinions of other counsel,
         which opinions shall be reasonably satisfactory to BMC, as to matters
         other than federal or Massachusetts law.

                5.2.4. Hart-Scott-Rodino, etc. All waiting periods required by
         HSR shall have expired with respect to the transactions contemplated by
         this Agreement, or early termination with respect thereto shall have
         been obtained without the imposition of any governmental request or
         order requiring the sale or disposition or holding separate (through a
         trust or otherwise) of particular assets of business of BMC, its
         affiliates or any component of BGS or other actions as a precondition
         to the expiration of any waiting

                                     - 28 -

<PAGE>   29


         period or the receipt of any necessary governmental
         approval or consent. In addition, any approvals required
         under any state or foreign laws comparable to HSR shall
         have been obtained.

                5.2.5. Consent of Certain Parties in Privity with BGS. The
         holders of any material indebtedness of BGS, the lessors of any
         material property leased by BGS, and the other parties to any other
         material agreements to which BGS is a party, whose consent to the
         Merger is required as set forth in the BGS Disclosure Schedule, shall,
         when and to the extent necessary in the reasonable opinion of BMC, have
         consented to the Merger.

                5.2.6. Dissenters. Holders of not more than 5 percent of the
         outstanding shares of BGS Common Stock on the date of this Agreement
         shall have received or be entitled to receive consideration pursuant to
         the provisions of Sections 86 through 98 of the MBCL.

                5.2.7. Tax Opinion. Vinson & Elkins L.L.P. shall have delivered
         to BMC its written opinion as of the date that the Proxy Statement is
         first mailed to BGS stockholders substantially to the effect that (x)
         the Merger will constitute a reorganization within the meaning of
         Section 368(a) of the Code, (y) BMC, Merger Sub and BGS will each be a
         party to that reorganization within the meaning of Section 368(b) of
         the Code, and (z) BMC, Merger Sub and BGS will not recognize any gain
         or loss for U.S. federal income tax purposes as a result of the Merger,
         and such opinion shall not have been withdrawn or modified in any
         material respect.


                                   ARTICLE VI

                           TERMINATION AND ABANDONMENT

         6.1.   Termination. Anything contained in this Agreement to the
contrary notwithstanding, this Agreement may be terminated and the Merger
abandoned at any time (whether before or after the approval and adoption thereof
by the stockholders of BGS) before the Effective Time:

                6.1.1. By Mutual Consent. By mutual consent of BMC and BGS.

                6.1.2. By BMC Because of Conditions Precedent. By BMC, if there
         has been a breach by BGS of its representations, warranties, covenants,
         or agreements set forth in this Agreement if, as a result of such
         breach, the conditions set forth in Section 5.2.1 would not be
         satisfied, and BGS fails to cure such breach within 15 business days
         after written notice thereof from BMC (except that no cure period shall
         be provided for any breach by BGS which by its nature cannot be cured).

                6.1.3. By BMC Because of Material Adverse Change. By BMC, if
         there has been since October 31, 1997, a Material Adverse Change with
         respect to BGS which condition or event shall not have been ameliorated
         such that it no longer constitutes a

                                     - 29 -

<PAGE>   30


         Material Adverse Change within ten (10) business days following receipt
         by BGS of notice from BMC (except that no cure period shall be provided
         for any Material Adverse Change which by its nature cannot be cured).

                6.1.4. By BGS Because of Conditions Precedent. By BGS, if there
         has been a breach by BMC of any of its representations, warranties,
         covenants or agreements set forth in this Agreement if, as a result of
         such breach, the conditions set forth in Section 5.1.1 would not be
         satisfied, and BMC fails to cure such breach within 15 business days
         after written notice thereof from BGS (except that no cure period shall
         be provided for any breach by BMC which by its nature cannot be cured).

                6.1.5. By BGS or BMC Due to a Superior BGS Transaction Proposal.
         By BGS or BMC if, before the Effective Time, BGS's board of directors
         shall have withdrawn or modified in a manner adverse to BMC its
         approval of this Agreement or the Merger under the terms, conditions
         and procedures set forth in Paragraph 4.3.6.1.

                6.1.6. By BGS Because of Material Adverse Change. By BGS, if
         there has been since September 30, 1997, a Material Adverse Change with
         respect to BMC which condition or event shall not have been ameliorated
         such that it no longer constitutes a Material Adverse Change within ten
         (10) business days following receipt by BMC of notice from BGS (except
         that no cure period shall be provided for any Material Adverse Change
         which by its nature cannot be cured).

                6.1.7. By BMC or BGS Because of Legal Proceedings. By BMC or BGS
         if (i) a statute, rule, regulation or executive order shall have been
         enacted, entered or promulgated prohibiting the consummation of the
         Merger substantially on the terms contemplated hereby or (ii) an order,
         decree, ruling or injunction shall have been entered permanently
         restraining, enjoining or otherwise prohibiting the consummation of the
         Merger substantially on the terms contemplated hereby and such order,
         decree, ruling or injunction shall have become final and
         non-appealable; provided, that the party seeking to terminate this
         Agreement pursuant to this Section 6.1.7 shall have used its reasonable
         best efforts to remove such injunction, order or decree.

                6.1.8. By BMC or BGS if Merger not Effective by September 30,
         1998. By either BMC or BGS, if all conditions to consummation of the
         Merger shall not have been satisfied or waived on or before September
         30, 1998, other than as a result of a breach of this Agreement by the
         terminating party.

                6.1.9. By BMC or BGS if Merger Cannot be Accounted for as a
         Pooling. By BMC or BGS if the Merger cannot for financial reporting
         purposes be accounted for as a "pooling of interests"; provided,
         however, this provision shall not be available to a party which has
         taken any action or failed to take any action, that either alone or in
         combination with actions previously taken disqualifies the Merger from
         such accounting treatment.

         6.2.   Termination by Board of Directors. An election of BMC to
terminate this Agreement and abandon the Merger as provided in Section 6.1 shall
be exercised on behalf of

                                     - 30 -

<PAGE>   31

BMC by its board of directors. An election of BGS to terminate this Agreement
and abandon the Merger as provided in Section 6.1 shall be exercised on behalf
of BGS by its board of directors.

         6.3    Effect of Termination. In the event of the termination and
abandonment of this Agreement pursuant to and in accordance with the provisions
of Section 6.1 hereof, this Agreement shall become void and have no effect,
without any liability on the part of any party hereto (or its stockholders or
controlling persons or directors or officers), except (i) the provisions of
Section 4.3.6.2 shall survive such termination and abandonment and (ii) neither
party shall be released or relieved from any liability arising from the willful
breach by such party of any of its representations, warranties, covenants or
agreements as set forth in this Agreement.

         6.4.   Waiver of Conditions. Subject to the requirements of any
applicable law, any of the terms or conditions of this Agreement may be waived
at any time by the party which is entitled to the benefit thereof, by action
taken by its board of directors.

         6.5.   Expense on Termination. If the Merger is abandoned pursuant to
and in accordance with the provisions of Section 6.1 hereof, all expenses will
be paid by the party incurring them; provided, however, that in the event this
Agreement is terminated by BMC pursuant to Section 6.1.2 or by BMC or BGS
pursuant to Section 6.1.5, BGS shall assume and pay, or reimburse BMC for, all
reasonable fees and expenses incurred by BMC or Merger Sub (including the fees
and expenses of its counsel, accountants and financial advisors) through the
date of termination and which are specifically related to the Merger, this
Agreement and the matters contemplated by this Agreement, but in no event later
than two business days after the submission of a request for payment of the
same; and provided, further, that in the event this Agreement is terminated by
BGS pursuant to Section 6.1.4, BMC shall assume and pay, or reimburse BGS for,
all reasonable fees and expenses incurred by BGS (including the fees and
expenses of its counsel, accountants and financial advisors) through the date of
termination and which are specifically related to the Merger, this Agreement and
the matters contemplated by this Agreement, but in no event later than two
business days after the submission of a request for payment of the same. Any
amount payable by BGS under this Section 6.5 shall be credited against any
amount payable by it under Section 4.3.6.2.


                                   ARTICLE VII

                              ADDITIONAL AGREEMENTS

         7.1.   Exchange of Options. Promptly after the Effective Time, BMC will
notify in writing each holder of a BGS Option of the exchange of the BGS Option
for an option to purchase BMC Common Stock in accordance with Section 1.10 of
the Plan of Merger. BMC shall cause all shares of BMC Common Stock issued upon
exercise of the exchanged BGS Options to be registered under an effective Form
S-8 Registration Statement (or other comparable form) filed with the Commission.


                                     - 31 -

<PAGE>   32

         7.2.   Indemnification of Directors and Officers. (a) BMC shall
indemnify and hold harmless each present and former director and officer of BGS,
determined as of the Effective Time, against any claims, losses, liabilities,
damages, judgments, fines, fees, costs or expenses, including without limitation
attorneys' fees and disbursements incurred in connection with any claim, action,
suit, proceeding or investigation, whether civil, criminal, administrative or
investigative, arising out of or pertaining to matters existing or occurring at
or prior to the Effective Time (including, without limitation, the Merger, the
preparation, filing and mailing of the Proxy Statement and the other
transactions and actions contemplated by this Agreement), whether asserted or
claimed prior to, at or after the Effective Time, to the fullest extent that BGS
would have been permitted, under applicable law, indemnification agreements
existing on the date hereof, the Articles of Organization or Bylaws of BGS in
effect on the date hereof, to indemnify such person (and BMC shall also advance
expenses as incurred to the fullest extent permitted under applicable law
provided the person to whom expenses are advanced provides an undertaking to
repay such advances if it is ultimately determined that such person is not
entitled to indemnification).

         (b)    For a period of six (6) years after the Effective Time, BMC
shall maintain (to the extent available in the market) in effect a directors'
and officers' liability insurance policy covering those persons who are
currently covered by BGS's directors' and officers' liability insurance policy
(a copy of which has been heretofore delivered to BMC) with coverage in amount
and scope at least as favorable as BGS's existing coverage (which coverage may
be an endorsement extending the period in which claims may be made under such
existing policy); provided that in no event shall BMC be required to expend per
year for such coverage more than an aggregate of 200% of the current annual
premium expended by BGS to provide such coverage.

         (c)    The provisions of this Section 7.2 are intended to be for the
benefit of, and shall be enforceable by, each indemnified party and his or her
heirs and representatives, and nothing herein shall affect any indemnification
rights that any indemnified party and his or her heirs and representatives may
have under the bylaws of BGS or any of its subsidiaries, any contract or
applicable law.

         7.3.   Affiliate Agreements.

                7.3.1. BGS Affiliates. To insure that the Merger will be treated
         as a "pooling of interests" and to insure compliance with Rule 145 of
         the rules and regulations promulgated by the Commission and the
         Securities Act, each of BGS's directors, executive officers and
         beneficial owners of 5% or more of BGS's Common Stock identified as
         "affiliates" has concurrently signed and delivered to BMC the BGS
         affiliate agreements in the form attached as Exhibit C.

                7.3.2. BMC Affiliates. To insure that the Merger will be treated
         as a "pooling of interests," each of BMC's directors, executive
         officers and beneficial owners of 5% or more of BMC's Common Stock
         identified as "affiliates" has concurrently signed and delivered to BMC
         the BMC affiliate agreements in the form attached as Exhibit D.


                                     - 32 -

<PAGE>   33



         7.4.   Publication of Combined Results. BMC agrees to publicly release
a report in the form of a quarterly earnings report, registration statement
filed with the Commission, a report filed with the Commission on Form 10-K,
10-Q, or 8-K or any other public filing, statement or announcement which
includes the combined financial results (including combined sales and net
income) of BMC and BGS for a period of at least 30 days of combined operations
of BMC and BGS following the Effective Time within 45 days after the end of the
first calendar quarter which includes at least 30 days of combined operations.

         7.5    Employee Benefit Plans of BGS. (a) BMC shall take all actions
necessary or appropriate to permit the employees of BGS and its subsidiaries
("BGS Employees") to continue to participate from and after the Closing Date in
the BGS Plans maintained by BGS and its subsidiaries immediately prior to the
Closing Date. Notwithstanding the foregoing, BMC may permit or cause any such
BGS Plan to be terminated or discontinued on or after the Closing Date, provided
that BMC shall take all actions necessary or appropriate to permit the BGS
Employees participating in such BGS Plan to immediately thereafter participate
in the comparable BMC Plan maintained by BMC or any of its subsidiaries for
their similarly situated employees. If the BGS Plan that is terminated or
discontinued by BMC is a group health plan, then BMC shall permit each BGS
Employee participating in such group health plan to be covered under a BMC Plan
that (i) provides medical and dental benefits to each such BGS Employee
effective immediately upon the cessation of coverage of such individuals under
such group health plan, (ii) credits such BGS Employee, for the year during
which such coverage under such BMC Plan begins, with any deductibles and
copayments already incurred during such year under such group health plan, and
(iii) waives any preexisting condition restrictions to the extent necessary to
provide immediate coverage and to the extent such restrictions were not
applicable under such group health plan. BMC and the BMC Plans shall recognize
each BGS Employee's years of service and level of seniority with BGS and its
subsidiaries for purposes of terms of employment and eligibility, vesting and
benefit determination under the BMC Plans (other than benefit accruals under any
defined benefit pension plan).

         (b)    BMC agrees that during the six-month period beginning as of the
Effective Time, it will provide severance pay benefits to BGS's employees who
continue in employment with BMC or the Surviving Corporation after the Effective
Time at least as favorable as the severance pay benefits which would have been
provided to such employees under BGS's severance policy described in Section 2.7
of the BGS Disclosure Schedule in effect at the date of this Agreement.


                                  ARTICLE VIII

                                  MISCELLANEOUS

         8.1.   Entirety. This Agreement, the attachments and Schedules thereto
and the Plan of Merger embody the entire agreement between the parties with
respect to the subject matter hereof, and all prior agreements between the
parties with respect thereto are hereby superseded in their entirety.


                                     - 33 -

<PAGE>   34



         8.2.   Counterparts. Any number of counterparts of this Agreement may
be executed and each such counterpart shall be deemed to be an original
instrument, but all such counterparts together shall constitute but one
instrument.

         8.3.   Notices and Waivers. Any notice or waiver to be given to any
party hereof shall be in writing and shall be delivered by courier, sent by
facsimile transmission or first class registered or certified mail, postage
prepaid.

                                    IF TO BMC

Addressed to:                                        With a copy to:

BMC Software, Inc.                                   Vinson & Elkins L.L.P.
2101 Citywest Blvd.                                  1001 Fannin, Suite 2300
Houston, Texas  77042-2827                           Houston, Texas 77002-6760
Attention: M. Brinkley Morse                         Attention: John S. Watson
Facsimile: (713) 918-8000                            Facsimile: (713) 615-5236

                                    IF TO BGS

Addressed to:                                        With a copy to:

BGS Systems, Inc.                                    Palmer & Dodge LLP
One First Avenue                                     One Beacon Street
Waltham, Massachusetts 02254-9111                    Boston, Massachusetts 02108
Attention: Harold Schwenk                            Attention: Steven N. Farber
Facsimile: (781) 890-0000                            Facsimile: (617) 227-4420

         Any communication so addressed and mailed by first-class registered or
certified mail, postage prepaid, shall be deemed to be received on the fifth
business day after so mailed, and if delivered by courier or facsimile to such
address, upon delivery during normal business hours on any business day.

         8.4.   Termination of Representations, Warranties, etc. The respective
representations and warranties contained in Articles II and III shall expire
with, and be terminated and extinguished by, the Merger at the time of the
consummation thereof on the Effective Time. This Section 8.4 shall not limit any
covenant or agreement of the parties hereto which by its terms contemplates
performance after the Effective Time or after termination of this Agreement.

         8.5.   Table of Contents and Captions. The table of contents and
captions contained in this Agreement are solely for convenient reference and
shall not be deemed to affect the meaning or interpretation of any article,
section, or paragraph hereof.

         8.6.   Successors and Assigns. This Agreement shall be binding upon and
shall inure to the benefit of and be enforceable by the successors and assigns
of the parties hereto.


                                     - 34 -

<PAGE>   35


         8.7.   Severability. If any term, provision, covenant or restriction of
this Agreement is held by a court of competent jurisdiction to be invalid, void,
or unenforceable, the remainder of the terms, provisions, covenants and
restrictions shall remain in full force and effect and shall in no way be
affected, impaired or invalidated. It is hereby stipulated and declared to be
the intention of the parties that they would have executed the remaining terms,
provisions, covenants and restrictions without including any of such which may
be hereafter declared invalid, void or unenforceable.

         8.8.   Applicable Law. This Agreement shall be governed by and
construed and enforced in accordance with the laws of the State of Texas (except
to the extent that the form and content of the Plan of Merger and the
consequences of the filing thereof shall be governed by the MBCL).

         8.9.   Public Announcements. The parties agree that before the
Effective Time that they shall consult with each other before the making of any
public announcement regarding the existence of this Agreement, the contents
hereof or the transactions contemplated hereby, and to obtain the prior approval
of the other party as to the content of such announcement, which approval shall
not be unreasonably withheld. However, the foregoing shall not apply to any
announcement or written statement which, upon the written advice of counsel, is
required by law to be made, except that the party required to make such
announcement shall, whenever practicable, consult with and solicit prior
approval from such other party concerning the timing and content of such legally
required announcement or statement before it is made.

         8.10.  Definitions. The following terms are defined in the indicated
place:

<TABLE>
<CAPTION>
                                                  Section or
         Term                                     Paragraph
         ----                                     ----------
         <S>                                      <C>
         Agreement                                Premises

         BGS Common Stock                         Premises

         BGS Employee                             5.1.8

         BGS Options                              1.10 of the Plan of Merger

         BGS Option Plans                         1.10 of the Plan of Merger

         BGS Plans                                2.7.1

         BGS Reports                              2.5

         BGS Transaction Proposals                4.3.6.1

         Another BGS Transaction                  4.3.6.2

         Applicable Environmental Laws            2.14.3

         Break-Up Fee                             4.3.6.2

         Claims                                   7.3.6

         Code                                     Premises
</TABLE>


                                     - 35 -

<PAGE>   36

<TABLE>
         <S>                                      <C>
         Commission                               2.5

         DGCL                                     Premises

         Effective Time                           1.3

         Encumbrance                              2.4

         ERISA                                    2.20

         Exchange Act                             2.5

         Heirs                                    7.3.5

         HSR                                      2.21

         Intellectual Property                    2.11

         Investment Company Act                   2.21

         BMC Common Stock                         Premises

         BMC Plans                                3.9

         BMC Reports                              3.5

         BMC Shares                               1.9.2 of the Plan of Merger

         Material Adverse Effect                  1.4

         Merger Consideration                     1.9.2 of the Plan of Merger

         Merging Corporations                     Premises

         OSHA                                     2.15

         Proxy Statement                          2.20

         Registration Statement                   7.3.1

         Securities Act                           4.4.10

         Stock                                    7.3.1

         Stockholders                             7.3.1

         Superior BGS Transaction Proposal        4.3.6.1
</TABLE>



                            [Signature page follows]



                                     - 36 -

<PAGE>   37



         IN WITNESS WHEREOF, the parties hereto have caused this Agreement and
Plan of Reorganization to be duly executed as of the date first above written.


                                               BMC SOFTWARE, INC.


                                               By: /s/ Max P. Watson, Jr.
                                                   --------------------------
                                               Name: Max P. Watson, Jr.
                                               Title: President



                                               RANGER ACQUISITION CORP.


                                               By: /s/ Max P. Watson, Jr.
                                                   --------------------------
                                               Name: Max P. Watson, Jr.
                                               Title: President



                                               BGS SYSTEMS, INC.


                                               By: /s/ Harold S. Schwenk, Jr.
                                                   --------------------------
                                               Name: Harold S. Schwenk, Jr.
                                               Title: President




                                     - 37 -

<PAGE>   38


                                                                       Exhibit A


                          PLAN AND AGREEMENT OF MERGER


                           Merging Merger Sub into BGS


         THIS AGREEMENT AND PLAN OF MERGER, dated as of January 31, 1998 (this
"Plan of Merger"), is by and between Ranger Acquisition Corp., a Massachusetts
corporation ("Merger Sub") and a wholly owned subsidiary of BMC Software, Inc.,
a Delaware corporation ("BMC") and BGS Systems, Inc., a Massachusetts
corporation "BGS"). Merger Sub and BGS are hereinafter sometimes referred to as
the "Merging Corporations."

                              PRELIMINARY STATEMENT

         This Plan of Merger is being entered into pursuant to an Agreement and
Plan of Reorganization dated as of January 31, 1998 (the "Agreement") among BMC,
Merger Sub and BGS.

         The authorized capital stock of Merger Sub consists of 1,000 shares of
common stock, par value $.01 per share ("Merger Sub Common Stock"), of which 100
shares are outstanding, all of which are owned by BMC. The authorized capital
stock of BGS consists of 10,000,000 shares of common stock, par value $.10 per
share ("BGS Common Stock"), of which 6,429,698 shares are outstanding and an
additional 1,156,000 shares are reserved for issuance in conjunction with
various employee benefit plans, and 103,501 shares are held in BGS's treasury.

         The Boards of Directors of each of the Merging Corporations,
respectively, have approved the Agreement and the Plan of Merger.

         Accordingly, in consideration of the premises, and the mutual covenants
and agreements herein contained, the parties hereto hereby agree, subject to the
terms and conditions hereinafter set forth, as follows:


                                    ARTICLE I

                                   THE MERGER

         1.1.   Surviving Corporation. Subject to the adoption and approval of
this Agreement by the requisite vote of the stockholders of each of the Merging
Corporations and to the other conditions hereinafter set forth, Merger Sub and
BGS shall be, upon the Effective Time of the merger (as defined in Section 1.3
hereof), merged into a single surviving corporation, which shall be BGS (the
"Surviving Corporation"), one of the Merging Corporations, which shall


<PAGE>   39



continue its corporate existence and remain a Massachusetts corporation governed
by and subject to the laws of that state.

         1.2.   Stockholder Approval. This Agreement shall be submitted for
adoption and approval by the stockholders of each of the Merging Corporations in
accordance with their respective articles of organization and the applicable
laws of The Commonwealth of Massachusetts.

         1.3.   Effective Time. The merger shall become effective upon the
filing by BGS of Articles of Merger with the State Secretary of The Commonwealth
of Massachusetts in accordance with Section 78 of the Massachusetts Business
Corporation Law. The date upon which the merger shall become effective is
referred to in this Agreement as the "Effective Time."

         1.4.   Name and Continued Corporate Existence of Surviving Corporation.
On the Effective Time, the identity, existence, purposes, powers, objects,
franchises, rights, and immunities of BGS, the Surviving Corporation of the
merger, shall continue unaffected and unimpaired by the merger, and the
corporate identity, existence, purposes, powers, objects, franchises, rights,
and immunities of Merger Sub shall be wholly merged into BGS, the Surviving
Corporation, and BGS shall be fully vested therewith. Accordingly, on the
Effective Time, the separate existence of Merger Sub, except insofar as
continued by statute, shall cease.

         1.5.   Governing Law and Articles of Organization of Surviving
Corporation. The laws of The Commonwealth of Massachusetts shall continue to
govern the Surviving Corporation. On the Effective Time, the Articles of
Organization of Merger Sub shall be the articles of organization of the
Surviving Corporation until further amended in the manner provided by law,
provided that at the Effective Time the articles of organization of the
Surviving Corporation shall be amended so that the name of the Surviving
Corporation shall be "BGS Systems, Inc."

         1.6.   Bylaws of Surviving Corporation. Effective as of the Effective
Time, the bylaws of Merger Sub shall be the bylaws of the Surviving Corporation
until altered, amended, or repealed, or until new bylaws shall be adopted in
accordance with the provisions of law, the articles of organization and the
bylaws.

         1.7.   Directors of Surviving Corporation

                1.7.1. Directors of Surviving Corporation. The names and
         addresses of the persons who, upon the Effective Time, shall constitute
         the board of directors of the Surviving Corporation, and who shall hold
         office until the first annual meeting of stockholders of the Surviving
         Corporation next following the Effective Time, are as follows:


         NAME                                     ADDRESS

         Max P. Watson Jr.                        2101 Citywest Blvd.
                                                  Houston, TX 77042


                                       A-2

<PAGE>   40





         William M. Austin                        2101 Citywest Blvd.
                                                  Houston, TX 77042

         M. Brinkley Morse                        2101 Citywest Blvd.
                                                  Houston, TX 77042


                1.7.2. Vacancies. On or after the Effective Time, if a vacancy
         shall exist for any reason in the board of directors of the Surviving
         Corporation, such vacancy shall be filled in the manner provided in the
         articles of organization and/or bylaws of the Surviving Corporation.

         1.8.   Capital Stock of Surviving Corporation. The authorized number of
shares of capital stock of the Surviving Corporation, and the par value,
designations, preferences, rights, and limitations thereof, and the express
terms thereof, shall be as set forth in the articles of organization.

         1.9.   Conversion of Securities upon Merger

                1.9.1. General. The manner and basis of converting the issued
         and outstanding shares of the capital stock of BGS into shares of the
         capital stock of BMC shall be as hereinafter set forth in this
         Section 1.9.

                1.9.2. Conversion of BGS Common Stock. On the Effective Time,
         each share of BGS Common Stock then issued and outstanding, without any
         action on the part of the holders thereof, shall automatically become
         and be converted into the right to receive certificates evidencing a
         fraction of a fully paid and nonassessable share of issued and
         outstanding BMC Common Stock (the "BMC Shares") equal to the Exchange
         Ratio (as defined and determined below) upon surrender, in accordance
         with Paragraph 1.9.3 hereof, of certificates theretofore evidencing
         shares of BGS Common Stock. The BMC Shares are hereinafter referred to
         collectively as the "Merger Consideration." The "Exchange Ratio" shall
         be equal to the quotient of $45.00 divided by the average of the
         closing sales prices of BMC Common Stock (or, if BMC Common Stock
         should not trade on any trading day, the average of the bid and the
         asked prices therefor on such day), rounded to the nearest thousandth
         (.0005 being rounded to .001), as reported by the Nasdaq National
         Market on each of the last ten consecutive trading days in the period
         ending on the third trading day prior to the meeting of BGS
         stockholders held for the purpose of approving the Merger.

                1.9.3. Exchange of BGS Common Stock Certificates. Commencing on
         the Effective Time, each holder of an outstanding certificate or
         certificates theretofore representing shares of BGS Common Stock may
         surrender the same to an exchange agent designated by BMC, and such
         holder shall be entitled upon such surrender to receive in exchange
         therefor a certificate or certificates representing the number of whole
         BMC Shares into which the shares of BGS Common Stock theretofore
         represented by the certificate or certificates so surrendered shall
         have been converted as aforesaid. However, before surrender, each
         outstanding certificate representing issued and

                                 A-3

<PAGE>   41



         outstanding BGS Common Stock shall be deemed, for all purposes, only to
         evidence ownership of the number of whole BMC Shares into which such
         shares have been so converted. Unless and until such outstanding
         certificates formerly representing BGS Common Stock are so surrendered,
         no dividend payable to holders of record of BMC Common Stock as of any
         date after the Effective Time shall be paid to the holders of such
         outstanding certificates in respect thereof. Upon surrender of such
         outstanding certificates, however, there shall be paid to the holders
         of the certificates of BMC Shares issued in partial exchange therefor
         the amount of dividends, if any, which theretofore (but after the
         Effective Time) became payable with respect to such full BMC Shares. No
         interest shall be payable with respect to the payment of such dividends
         on surrender of outstanding certificates. The holder of fractional
         share interests, as such, shall not be entitled to any dividends or to
         any distribution in the event of liquidation or to any voting or other
         privileges of a stockholder of BMC.

                1.9.4. BMC Fractional Shares. No certificates for fractional
         share interests of BMC Common Stock will be issued, but, in lieu
         thereof, BMC will settle all such fractional share interests in cash on
         the basis of the closing price for BMC Common Stock on the Nasdaq
         National Market (as reported in The Wall Street Journal) on the last
         trading day before the Effective Time.

                1.9.5. BGS's Transfer Books Closed. Upon the Effective Time, the
         stock transfer books of BGS shall be deemed closed, and no transfer of
         any certificates theretofore representing the shares of BGS shall
         thereafter be made or consummated.

                1.9.6. Conversion of Merger Sub Common Stock. On the Effective
         Time, each share of Merger Sub Common Stock then issued and
         outstanding, without any action on the part of the holder thereof,
         shall automatically become and be converted into one share of BGS
         Common Stock.

         1.10. Treatment of Stock Options. On the Effective Time, each of the
then outstanding options to purchase BGS Common Stock (collectively, the "BGS
Options")(which includes all outstanding options granted under BGS's stock
option plans (the "BGS Option Plans")) will and without any further action on
the part of any holder thereof (herein, an "optionholder"), be exchanged for an
option to purchase that number of shares of BMC Common Stock determined by
multiplying the number of shares of BGS Common Stock subject to such BGS Option
at the Effective Time by the Exchange Ratio, at an exercise price per share of
BMC Common Stock equal to the exercise price per share of such BGS Option
divided by the Exchange Ratio; PROVIDED, HOWEVER, that with respect to BGS's
1997 Employee Stock Purchase Plan, the exercise price per share of BMC Common
Stock shall be determined pursuant to the provisions of paragraphs 7(b), 17 and
20 of such plan. If the foregoing calculation results in an exchanged BGS Option
being exercisable for a fraction of a share of BMC Common Stock, then the number
of shares of BMC Common Stock subject to such option will be rounded down to the
nearest whole number of shares, and the total exercise price for the option will
be reduced by the exercise price of the fractional share. The term,
exerciseability, vesting schedule, and all other terms and conditions of the BGS
Options will otherwise be unchanged by the provisions of this Section 1.10 and
shall operate in accordance with their terms. All shares of BMC Common Stock
issued upon exercise of the exchanged BGS Options shall be registered under an
effective

                                       A-4

<PAGE>   42



Form S-8 Registration Statement (or other comparable form) filed with the
Securities and Exchange Commission (the "Commission").

         1.11.  Assets and Liabilities

                1.11.1. Assets and Liabilities of Merging Corporations Become
         Those of Surviving Corporation. On the Effective Time, all rights,
         privileges, powers, immunities, and franchises of each of the Merging
         Corporations, both of a public and private nature, and all property,
         real, personal, and mixed, and all debts due on whatever account, as
         well as stock subscriptions and all other choses or things in action,
         and all and every other interest of or belonging to or due to either of
         the Merging Corporations, shall be taken by and shall be vested in the
         Surviving Corporation without further act or deed, and all such rights,
         privileges, powers, immunities, and franchises, property, debts, choses
         or things in action, and all and every other interest of each of the
         Merging Corporations shall be thereafter as effectually the property of
         the Surviving Corporation as they were of the respective Merging
         Corporations, and the title to any real or other property, or any
         interest therein, whether vested by deed or otherwise, in either of the
         Merging Corporations, shall not revert or be in any way impaired by
         reason of the merger, provided, however, that all rights of creditors
         and all liens upon any properties of each of the Merging Corporations
         shall be preserved unimpaired, and all debts, liabilities,
         restrictions, obligations, and duties of the respective Merging
         Corporations, including without limitation all obligations, liabilities
         and duties as lessee under any existing lease, shall thenceforth attach
         to the Surviving Corporation and may be enforced against and by it to
         the same extent as if such debts, liabilities, duties, restrictions and
         obligations had been incurred or contracted by it. Any action or
         proceeding pending by or against either of the Merging Corporations may
         be prosecuted to judgment as if the merger had not taken place, or the
         Surviving Corporation may be substituted in place of either of the
         Merging Corporations.

                1.11.2. Conveyances to Surviving Corporation. The Merging
         Corporations hereby agree, respectively, that from time to time, as and
         when requested by the Surviving Corporation, or by its successors and
         assigns, they will execute and deliver or cause to be executed and
         delivered, all such deeds, conveyances, assignments, permits, licenses
         and other instruments, and will take or cause to be taken such further
         or other action as the Surviving Corporation, its successors or
         assigns, may deem necessary or desirable to vest or perfect in or
         confirm to the Surviving Corporation, its successors and assigns, title
         to and possession of all the property, rights, privileges, powers,
         immunities, franchises, and interests referred to in this Paragraph
         1.11.2 and otherwise carry out the intent and purposes of this
         Agreement.

                1.11.3. Accounting Treatment. The assets and liabilities of the
         Merging Corporations shall be taken up on the books of the Surviving
         Corporation in accordance with generally accepted accounting
         principles, and the capital surplus and retained earnings accounts of
         the Surviving Corporation shall be determined, in accordance with
         generally accepted accounting principles, by the board of directors of
         the Surviving Corporation. Nothing herein shall prevent the board of
         directors of the Surviving Corporation from making any future changes
         in its accounts in accordance with law.

                                       A-5

<PAGE>   43


                1.11.4. Unclaimed Merger Consideration; No Escheat. Subject to
         any contrary provision of governing law, all consideration deposited
         with the exchange agent or held by BMC for the payment of the
         consideration into which the outstanding shares of BGS Common Stock
         shall have been converted, and remaining unclaimed for one year after
         the Effective Time, shall be paid or delivered to BMC; and the holder
         of any unexchanged certificate or certificates which before the
         Effective Time represented shares of BGS Common Stock shall thereafter
         look only to BMC for exchange or payment thereof upon surrender of such
         certificate or certificates to BMC.

                1.11.5. Dissenting Stockholders of BGS. BGS agrees that, if the
         merger contemplated hereby becomes effective, it will promptly pay to
         any dissenting stockholder of BGS the amount, if any, to which such
         holder is entitled under the provisions of Sections 86 through 98 of
         the MBCL provided such dissenter acts in strict compliance with such
         provisions.

         1.12.  Taking of Necessary Action; Further Action. Merger Sub and BGS
shall take all such reasonable and lawful action as may be necessary or
appropriate in order to effectuate the Merger as promptly as possible. If, at
any time after the Effective Time, any such further action is necessary or
desirable to carry out the purposes of this Agreement and to vest the Surviving
Corporation with full right, title and possession to all assets, property,
rights, privileges, powers and franchises of BGS or Merger Sub, such
corporations shall direct their respective officers and directors to take all
such lawful and necessary action.

                                   ARTICLE II

                                  MISCELLANEOUS

         2.1.   Counterparts. This Plan of Merger may be executed in one or more
counterparts, all of which shall be considered one and the same agreement, and
shall become effective when one or more counterparts have been signed by each of
the parties and delivered to each of the other parties.

         2.2.   Governing Law. This Plan of Merger shall be governed by and
construed in accordance with the laws of The Commonwealth of Massachusetts.

         2.3.   Waiver and Amendment. Any provision of this Plan of Merger may
be waived at any time by the party that is, or whose stockholders are, entitled
to the benefits thereof. This Plan of Merger may not be amended or supplemented
at any time, except by an instrument in writing signed on behalf of each party
hereto. The waiver by any party hereto of any condition or of a breach of
another provision of this Plan of Merger shall not operate or be construed as a
waiver of any other condition or subsequent breach. The waiver by any party
hereto of any of the conditions precedent to its obligations under this Plan of
Merger shall not preclude it from seeking redress for breach of this Plan of
Merger other than with respect to the condition so waived.


                                       A-6

<PAGE>   44


         IN WITNESS WHEREOF, the parties hereto have caused this Plan of Merger
to be duly executed as of the date first above written.


                                            RANGER ACQUISITION CORP.


                                            By: /s/ Max P. Watson, Jr.
                                                --------------------------
                                            Name: Max P. Watson, Jr.
                                            Title: President


                                            By: /s/ M. Brinkley Morse
                                                --------------------------
                                            Name: M. Brinkley Morse
                                            Title: Treasurer



                                            BGS SYSTEMS, INC.


                                            By: /s/ Harold S. Schwenk, Jr.
                                                --------------------------
                                            Name: Harold S. Schwenk, Jr.
                                            Title: President


                                            By: /s/ Jeffrey Buzen
                                                --------------------------
                                            Name: Jeffrey Buzen
                                            Title: Treasurer






                                       A-7


<PAGE>   45
                                                                      Exhibit B

                          FORM OF STOCKHOLDER AGREEMENT


         This Stockholder Agreement dated as of January 31, 1998 is between BMC
Software, Inc., a Delaware corporation ("BMC"), and ___________________________
(the "Stockholder").

         WHEREAS, BMC, Ranger Acquisition Corp., a Massachusetts corporation and
wholly owned subsidiary of BMC ("Merger Sub"), and BGS Systems, Inc., a
Massachusetts corporation ("BGS"), are entering into an Agreement and Plan of
Reorganization dated as of the date hereof (as amended from time to time
pursuant thereto, the "Reorganization Agreement");

         WHEREAS, the Stockholder is the record and/or beneficial owner of
________ shares of Common Stock, par value $0.10 per share, of BGS (the "BGS
Common Stock") (such shares of BGS Common Stock, together with any shares of
capital stock of BGS acquired by the Stockholder after the date hereof and
during the term of this Agreement, being collectively referred to herein as the
"Stockholder Shares");

         WHEREAS, as a condition to the willingness of BMC to enter into the
Reorganization Agreement, and as an inducement to it to do so, the Stockholder
has agreed for the benefit of BMC as set forth in this Agreement; and

         WHEREAS, the Board of Directors of BGS has approved the Stockholder's
entering into this Agreement, the form of this Agreement and the transactions
contemplated hereby;

         NOW, THEREFORE, in consideration of the premises and the
representations, warranties, covenants and agreements contained in this
Agreement, the parties hereby agree as follows (terms defined in the
Reorganization Agreement and used but not defined herein having the meanings
assigned to such terms in the Reorganization Agreement):


                                   ARTICLE I.

                                   THE OPTION

         Section 1.01 Grant of the Option. The Stockholder hereby grants to BMC
an irrevocable option (the "Option") to purchase, on the terms and subject to
the conditions set forth herein, at a per share exercise price of $45.00 (the
"Exercise Price"), all Stockholder Shares, together with (i) any additional
shares of capital stock of BGS or any securities or other property that the
Stockholder is or becomes entitled to receive from BGS by reason of being a
record holder of such number of Stockholder Shares, (ii) any capital stock,
securities or other property into which any such number of Stockholder Shares
shall have been or shall be converted or changed, whether by amendment to the
Articles of Organization of BGS, merger, consolidation, reorganization, capital
change or otherwise, (iii) any additional BGS Common


<PAGE>   46



Stock acquired by the Stockholder as the result of the Stockholder's exercising
an option, warrant or other right to acquire shares of capital stock from BGS
issued with respect to such number of Stockholder Shares (all of the foregoing
hereinafter collectively referred to as the "Additional Stockholder Shares"),
and (iv) any shares of capital stock, securities or property referred to in
clauses (i), (ii), and (iii) above that are issued or issuable in respect of
Additional Stockholder Shares (such Stockholder Shares, the Additional
Stockholder Shares and any shares, securities or property referred to in clause
(iv) above being collectively referred to herein as the "Option Shares").

         Section 1.02   Exercise of the Option.

         (a)   Subject to the conditions set forth in Section 1.03, the Option
may be exercised in whole at any time, and in part from time to time, after the
occurrence of a Triggering Event but prior to the Termination Date.

         (b)   For purposes hereof, a "Triggering Event" means (A) the
termination of the Reorganization Agreement pursuant to Section 6.1.2, because
of the breach by BGS of Sections 4.2.1., 4.2.2., 4.2.4., 4.3.4., 4.3.6.1.,
4.3.6.2., 4.3.7., 4.3.8., 4.3.9 or 4.3.12., the effect of which in each case
would reasonably jeopardize the Merger, or pursuant to Section 6.1.5 thereof, or
(B) the failure of the holders of two-thirds of the outstanding shares of BGS
Common Stock to approve the Merger after the public announcement of, or the
disclosure to the Board of Directors of BGS of, a BGS Transaction Proposal.

         For purposes hereof, the "Termination Date" means the first to occur of
(1) the Effective Time of the Merger, (2) forty-five (45) days after the
occurrence of a Triggering Event and (3) the date the Reorganization Agreement
is terminated without giving rise to a Triggering Event.

         (c)   In the event BMC wishes to exercise the Option, BMC will send a
written notice to the Stockholder specifying a place, date (not less than two
business days nor more than 10 calendar days after the date such notice is
given) and time for the closing of the purchase of such Option Shares (the
"Closing").

         (d)   The purchase price payable to the Stockholder with respect to any
exercise of the Option will be the product of (i) the Exercise Price and (ii)
the number of Option Shares to be purchased upon such exercise.

         (e)   In the event of any change in the number of issued and
outstanding shares of BGS Common Stock by reason of any stock dividend,
split-up, recapitalization, combination, conversion, exchange of shares or other
change in the corporate or capital structure of BGS, the number and kind of
shares subject to the Option and the Exercise Price shall be adjusted
appropriately. If, on or after the date hereof, BGS should declare or pay any
cash or stock dividend (other than ordinary quarterly cash dividends as provided
in the Reorganization Agreement) or other distribution or issue any rights with
respect to the BGS Common Stock, payable or distributable to stockholders of
record on a date prior to the transfer to the name of BMC or its nominee on
BGS's stock transfer books of the Option Shares, and the Option is exercised,
then (a) the exercise price per Option Share will be reduced by the amount of
any such cash dividend or cash distribution, and (b) the whole of any such
non-cash dividends,

                                      - 2 -

<PAGE>   47



distribution or right which would have been payable with respect to each Option
Share purchased by BMC if such shares were outstanding on the record date for
such distribution will be promptly remitted and transferred by the Stockholder
to BMC. Upon exercise of the Option, to the extent consistent with law, pending
such remittance, BMC will be entitled to all rights and privileges as owner of
any such non-cash dividend, distribution or right with respect to each Option
Share purchased.

         Section 1.03   Closing.

         (a)   At the Closing, the Stockholder will deliver to BMC a certificate
or certificates representing the Option Shares being purchased, duly endorsed
for transfer or accompanied by appropriate stock powers duly executed in blank,
and BMC will pay the purchase price in immediately available funds by wire
transfer to an account designated by the Stockholder. Transfer taxes, if any,
imposed as a result of the exercise of the Option and the transfer of any Option
Shares will be paid by the Stockholder.

         (b)   The obligations of BMC and the Stockholder to consummate the
purchase and sale of the Option Shares pursuant to this Article I will be
subject to the fulfillment of the following conditions:

              (i)  The expiration or termination of the waiting period
         applicable to the consummation of such transactions under the HSR Act;
         and

              (ii)  Neither of the parties hereto shall be subject to any order
         or injunction of a court of competent jurisdiction which prohibits the
         consummation of such transactions. Each of the parties will promptly
         make and will use all reasonable efforts to cause each of their
         respective affiliates to make, all such filings and take all such
         actions as may be reasonably required in order to permit the lawful
         exercise of the Option, as promptly as possible. The date of any
         Closing may be extended, if required, to the next business day
         following (1) the date that any applicable waiting period under the HSR
         Act shall have expired or been earlier terminated (but not beyond sixty
         (60) days after such date of Closing unless BGS shall not have complied
         with its obligations under the Reorganization Agreement with respect
         thereto), (2) the date that all other necessary governmental approvals
         for the sale of the Option Shares for which the Option shall have been
         exercised shall have been obtained, and (3) the satisfaction of any
         other condition to the Closing; provided that any delay pursuant to
         clauses (2) or (3) shall not exceed 10 business days.


                                   ARTICLE II.

                          COVENANTS OF THE STOCKHOLDER

         Section 2.01   Agreement to Vote. At any meeting of the stockholders of
BGS held prior to the Termination Date, however called, and at every adjournment
or postponement thereof prior to the Termination Date, or in connection with any
written consent of the stockholders of BGS given prior to the Termination Date,
the Stockholder shall vote or cause to be voted the Stockholder Shares in favor
of the approval of the Merger and each of the other transactions

                                      - 3 -

<PAGE>   48


contemplated by the Reorganization Agreement and in favor of the approval and
adoption of the Reorganization Agreement, and any actions required in
furtherance hereof and thereof. The Stockholder hereby grants BMC an irrevocable
proxy coupled with an interest to vote the Stockholder Shares in favor of the
Merger and each of the other transactions contemplated by the Reorganization
Agreement and in favor of the approval and adoption of the Reorganization
Agreement, and any actions required in furtherance hereof and thereof. The
Stockholder shall not enter into any agreement or understanding with any person
other than BMC prior to the Termination Date, directly or indirectly, to vote,
grant any proxy or give instructions with respect to the voting of the
Stockholder Shares in any manner inconsistent with the preceding two sentences.

         Section 2.02   Proxies and Voting Agreements. Except as described in
Section 2.01, the Stockholder hereby revokes any and all previous proxies
granted with respect to matters set forth in Section 2.01. Prior to the
Termination Date, the Stockholder shall not, directly or indirectly, except as
contemplated hereby, grant any proxies or powers of attorney with respect to
matters set forth in Section 2.01, deposit any of the Stockholder Shares or
enter into a voting agreement with respect to any of the Stockholder Shares.

         Section 2.03   No Solicitation.

         (a)   From and after the date hereof until the Termination Date, the
Stockholder will not, and will not authorize or permit any of its officers,
directors, employees, partners, agents, affiliates or other representatives
(collectively, "Stockholder Representatives") to, directly or indirectly,
solicit or encourage (including by way of providing information) any prospective
acquiror or the invitation or submission of any inquiries, proposals or offers
or any other efforts or attempts that constitute, or may reasonably be expected
to lead to, a BGS Transaction Proposal.

         (b)   The Stockholder shall immediately cease and cause to be
terminated any existing solicitation, initiation, encouragement, activity,
discussion or negotiation with any parties conducted heretofore by the
Stockholder or any Stockholder Representatives with respect to any BGS
Transaction Proposal existing on the date hereof.

         (c)   Prior to the Termination Date, the Stockholder will promptly
notify BMC of any requests for information made to the Stockholder or any
Stockholder Representative or the receipt of any BGS Transaction Proposal made
to the Stockholder or any Stockholder Representative, including the identity of
the person or group engaging in such discussions or negotiations, requesting
such information or making such BGS Transaction Proposal, and the material terms
and conditions of any BGS Transaction Proposal.

         (d)   Prior to the Termination Date, the Stockholder shall not enter
into any agreement with any person that provides for, or in any way facilitates,
a BGS Transaction Proposal.

         (e)   The provisions of this Section 2.03 do not prohibit any
Stockholder Representative who is also a BGS director from taking actions
permitted by Section 4.3.6.1 of the Reorganization Agreement.


                                      - 4 -

<PAGE>   49


         Section 2.04   Transfer of Option Shares by the Stockholder. Prior to
the Termination Date, the Stockholder shall not (a) subject any of the Option
Shares to, or suffer to exist on any of the Option Shares, any lien, pledge,
security interest, charge or other encumbrance or restriction, other than
pursuant to this Agreement, or (b) sell, transfer, assign, convey or otherwise
dispose of any of the Option Shares (including any such action by operation of
law), other than a disposition by operation of law pursuant to the Merger. Prior
to the record date for the BGS stockholder meeting to vote on the Reorganization
Agreement, the Stockholder will not sell, transfer, assign, convey or otherwise
dispose of any of the Stockholder Shares (including any such action by operation
of law).

         Section 2.05   Other Actions. Prior to the Termination Date, the
Stockholder shall not take any action that would in any way restrict, limit,
impede or interfere with the performance of its obligations hereunder or the
transactions contemplated hereby or by the Reorganization Agreement.

                                  ARTICLE III.

              REPRESENTATIONS, WARRANTIES AND ADDITIONAL COVENANTS
                               OF THE STOCKHOLDER

         The Stockholder represents, warrants and covenants to BMC that:

         Section 3.01   Ownership. The Stockholder is as of the date hereof the
beneficial and record owner of the Stockholder Shares, the Stockholder has the
sole right to vote the Stockholder Shares and there are no restrictions on
rights of disposition or other lien, pledge, security interest, charge or other
encumbrance or restriction pertaining to the Stockholder Shares, none of the
Stockholder Shares is subject to any voting trust or other agreement,
arrangement or restriction with respect to the voting of the Stockholder Shares,
and no proxy, power of attorney or other authorization has been granted with
respect to any of the Stockholder Shares. Upon delivery of any Option Shares
upon exercise of the Option, BMC will acquire good title to such shares, free
and clear of all liens, pledges, security interests, charges or other
encumbrances or restrictions.

         Section 3.02   Authority and Non-Contravention. The Stockholder is a
[__________________________]. The Stockholder has the right, power and
authority, and the Stockholder has been duly authorized by all necessary action
(including consultation, approval or other action by or with any other person),
to execute, deliver and perform this Agreement and consummate the transactions
contemplated hereby.

         Such actions by the Stockholder (a) require no action by or in respect
of, or filing with, any governmental entity with respect to the Stockholder,
other than any required filings under the Exchange Act or under the HSR Act, and
(b) do not and will not contravene or constitute a default under any provisions
of applicable law or regulation or any agreement, judgment, injunction, order,
decree or other instrument binding on the Stockholder result in the imposition
of any lien, pledge, security interest, charge or other encumbrance or
restriction on any of the Stockholder Shares (other than as provided in this
Agreement with respect to Stockholder Shares).

                                      - 5 -

<PAGE>   50




         Section 3.03   Binding Effect. This Agreement has been duly executed
and delivered by the Stockholder and is the valid and binding agreement of the
Stockholder, enforceable against the Stockholder in accordance with its terms,
except as enforcement may be limited by bankruptcy, insolvency, moratorium or
other similar laws relating to creditors' rights generally and by equitable
principles to which the remedies of specific performance and injunctive and
similar forms of relief are subject.

         Section 3.04   Total Shares. The Stockholder Shares are the only shares
of capital stock of BGS owned beneficially or of record as of the date hereof by
the Stockholder, and the Stockholder does not have any option to purchase or
right to subscribe for or otherwise acquire any securities of BGS and has no
other interest in or voting rights with respect to any other securities of BGS.

         Section 3.05   Finder's Fees. No investment banker, broker or finder is
entitled to a commission or fee from BGS, BMC or Merger Sub in respect of this
Agreement based upon any arrangement or agreement made by or on behalf of the
Stockholder, except as otherwise provided in the Reorganization Agreement.

         Section 3.06   Reasonable Efforts. Prior to the Termination Date, the
Stockholder shall use reasonable efforts to take, or cause to be taken, all
actions, and to do, or cause to be done, and to assist and cooperate with BMC in
doing, all things necessary, proper or advisable to consummate and make
effective the Merger and the other transactions contemplated by the
Reorganization Agreement and this Agreement.

                                   ARTICLE IV.

                REPRESENTATIONS, WARRANTIES AND COVENANTS OF BMC

         BMC represents, warrants and covenants to the Stockholder that:

         Section 4.01   Corporate Power and Authority. BMC has all requisite
corporate power and authority to enter into this Agreement and to perform its
obligations hereunder. The execution, delivery and performance by BMC to this
Agreement and the consummation by BMC of the transactions contemplated hereby
have been duly authorized by all necessary corporate action on the part of BMC.

         Section 4.02   Binding Effect. This Agreement has been duly executed
and delivered by BMC and is a valid and binding agreement of BMC, enforceable
against BMC in accordance with its terms, except as enforcement may be limited
by bankruptcy, insolvency, moratorium or other similar laws relating to
creditors' rights generally and by equitable principles to which the remedies of
specific performance and injunctive and similar forms of relief are subject.


                                      - 6 -

<PAGE>   51

                                   ARTICLE V.

                                  MISCELLANEOUS

         Section 5.01   Expenses. Each party hereto shall pay its own expenses
incident to preparing for entering into and carrying out this Agreement and the
consummation of the transactions contemplated hereby.

         Section 5.02   Further Assurances. From time to time, at the request of
the other party, each party shall execute and deliver or cause to be executed
and delivered such additional documents and instruments and take all such
further action as may be necessary or desirable to consummate the transactions
contemplated by this Agreement.

         Section 5.03   Specific Performance. The Stockholder agrees that BMC
would be irreparably damaged if for any reason the Stockholder fails to perform
any of the Stockholder's obligations under this Agreement, and that BMC would
not have an adequate remedy at law for money damages in such event. Accordingly,
BMC shall be entitled to seek specific performance and injunctive and other
equitable relief to enforce the performance of this agreement by the Stockholder
without any requirement for the securing or posting of any bond. This provision
is without prejudice to any other rights that BMC may have against the
Stockholder for any failure to perform its obligations under this Agreement.

         Section 5.04   Notices. Any notice or communication required or
permitted hereunder shall be in writing and either delivered personally,
telegraphed or telecopied or sent by certified or registered mail, postage
prepaid, and shall be deemed to be given, dated and received when so delivered
personally, telegraphed or telecopied or, if mailed, five business days after
the date of mailing to the following address or telecopy number, or to such
other address or addresses as such person may subsequently designate by notice
given hereunder.

         (a)  if to BMC or Merger Sub, to:
              BMC
              2101 Citywest Blvd.
              Houston, Texas 77042-2627
              Attention: M. Brinkley Morse
              Facsimile: 713/918-8000

         with a copy to:

              Vinson & Elkins L.L.P.
              2300 First City Tower
              Houston, Texas 77002
              Attention: John S. Watson
              Facsimile: 713/615-5236


                                      - 7 -

<PAGE>   52



         (b)  if to Stockholder, to:





              with a copy to:

              Palmer & Dodge LLP
              One Beacon Street
              Boston, Massachusetts 02108
              Attention: Steven N. Farber
              Facsimile: 617/227-4420

         Section 5.05   Interpretation. When a reference is made in this
Agreement to Sections, such reference shall be to a Section of this Agreement
unless otherwise indicated. The headings contained in this Agreement are for
reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement. Whenever the work "include," "includes" or
"including" are used in this Agreement, they shall be deemed to be followed by
the words "without limitation." Unless the context otherwise requires, "or" is
disjunctive but not necessarily exclusive, and words in the singular include the
plural and in the plural include the singular. The term "person" is to be
interpreted broadly to include any corporation, partnership, trust, limited
liability company, government or other entity and any group (as used with
respect to Section 13(d) of the Exchange Act). Section F.. Counterparts. This
Agreement may be executed in two or more counterparts, all of which shall be
considered one and the same agreement and shall become effective when two or
more counterparts have been signed by each of the parties and delivered to the
other party, it being understood that all parties need not sign the same
counterpart.

         Section 5.06   Entire Agreement; No Third Party Beneficiaries. This
Agreement (a) constitutes the entire agreement and supersedes all prior
agreements and understandings, both written and oral, among the parties with
respect to the subject matter hereto and (b) is not intended to confer upon any
person other than the parties hereto any rights or remedies hereunder.

         Section 5.07   Governing Law. This Agreement shall be governed and
construed in accordance with the laws of The Commonwealth of Massachusetts,
without giving effect to the principles of conflicts of law thereof.

         Section 5.08   Assignment. Neither this Agreement nor any of the
rights, interests or obligations hereunder shall be assigned by any of the
parties hereto (whether by operation of law or otherwise) except to the partners
of the Stockholder as permitted herein without the prior written consent of the
other party. Subject to the preceding sentence, this Agreement will be binding
upon, inure to the benefit of and be enforceable by the parties and their
respective successors and assigns. All costs and expenses incurred in connection
with this Agreement shall be paid by the party incurring such cost or expense.


                                      - 8 -

<PAGE>   53


         Section 5.09   Amendments; Terminations. This Agreement may not be
modified, amended, altered or supplemented, except upon the execution and
delivery of a written agreement executed by the parties hereto.

         Section 5.10   Certain Events. The Stockholder agrees that this
Agreement and the obligations hereunder shall attach to the Stockholder Shares
beneficially owned by such Stockholder and shall be binding upon any person to
which legal or beneficial ownership of such shares shall pass, whether by
operation of law or otherwise.



                                      - 9 -

<PAGE>   54


         IN WITNESS WHEREOF, BMC and the Stockholder have caused this Agreement
to be duly executed as of the day and year first above written.


                                         STOCKHOLDER:


                                         __________________________________


                                         By: ______________________________
                                         Name:
                                         Title:


                                         BMC:

                                         BMC SOFTWARE, INC.

                                         By: ______________________________
                                         Name:
                                         Title:


                                     - 10 -


<PAGE>   55


                                                                       Exhibit C

                            FORM OF AFFILIATE LETTER

January 31, 1998

BMC Software, Inc.
2101 Citywest Blvd.
Houston, TX 77042-2827

Gentlemen:

         The undersigned acknowledges that as of the date hereof the undersigned
may be deemed to be an "affiliate" of BGS Systems, Inc., a Massachusetts
corporation ("BGS"), as the term "affiliate" is used in and for purposes of
paragraphs (c) and (d) of Rule 145 ("Rule 145") promulgated by the Securities
and Exchange Commission (the "Commission") under the Securities Act of 1933, as
amended (the "Securities Act"). Pursuant to the terms and subject to the
conditions of the Agreement and Plan of Reorganization dated as of January 31,
1998 (the "Agreement"), among BGS, BMC Software, Inc., a Delaware corporation
("BMC"), and Ranger Acquisition Corp., a Massachusetts corporation and a wholly
owned subsidiary of BMC ("Merger Sub"), BMC will own all of the outstanding
capital stock of BGS (the "Merger"), all of the outstanding shares of capital
stock of BGS will be exchanged for Common Stock, par value $.01 per share, of
BMC ("BMC Common Stock"), and unexpired and unexercised options to purchase
capital stock of BGS ("BGS Options") will become options to purchase BMC Common
Stock ("BMC Options"). In, or as a result of, the Merger, the undersigned will
(i) receive BMC Common Stock in exchange for all of the shares of capital stock
of BGS ("BGS Common Stock") owned by the undersigned immediately prior to the
time of the effectiveness of the Merger (the "Effective Time") and/or (ii) BMC
Options.

         The undersigned further acknowledges and agrees with BMC that (i) the
undersigned has no current plan or intention to sell, exchange or otherwise
dispose of the BMC Common Stock or BMC Options (or shares issuable upon exercise
thereof) to be received by the undersigned pursuant to the Merger, (ii) no
disposition will be made by the undersigned of any shares of BMC Common Stock or
BMC Options (or shares issuable upon exercise thereof) received or to be
received pursuant to the Merger until such time as results of operations of BMC
covering 30 days of combined operations of BMC and BGS have been published and
(iii) no shares of BMC Common Stock or BMC Options (or shares issuable upon
exercise thereof) received or to be received by the undersigned pursuant to the
Merger will be sold or disposed of except pursuant to an effective registration
statement under the Securities Act or in accordance an exemption from
registration under the Securities Act.

         The undersigned acknowledges and agrees that appropriate restrictive
legends will be placed on certificates representing BMC Common Stock received by
the undersigned in the Merger or held by a transferee thereof and that "stop
transfer" orders may be entered in the




<PAGE>   56

records of the transfer agent for BMC's Common Stock. Such orders will be
removed and such legends will be removed by delivery of substitute certificates
upon receipt of an opinion in form and substance reasonably satisfactory to BMC
from independent counsel reasonably satisfactory to BMC to the effect that such
legends are no longer required to assure compliance with applicable provisions
of the Securities Act.

         The undersigned acknowledges that the undersigned has carefully read
this letter and understands the requirements hereof and the limitations imposed
upon the distribution, sale, transfer or other disposition of BMC Common Stock,
BMC Options, BGS Common Stock and BGS Options.


                                        Very truly yours,



                                        _______________________________________
                                        Name:



Agreed and accepted this 31st day of January, 1998

BMC SOFTWARE, INC.

By: ______________________________

Name: M. Brinkley Morse

Title: Vice President







                                      - 2-

<PAGE>   57





                                                                       Exhibit D

                            FORM OF AFFILIATE LETTER

January 31, 1998

BMC Software, Inc.
2101 Citywest Blvd.
Houston, TX 77042-2827

Gentlemen:

         The undersigned acknowledges that as of the date hereof the undersigned
may be deemed to be an "affiliate" of BMC Software, Inc., a Delaware corporation
("BMC"), as the term "affiliate" is used in and for purposes of paragraphs (c)
and (d) of Rule 145 ("Rule 145") promulgated by the Securities and Exchange
Commission (the "Commission") under the Securities Act of 1933, as amended (the
"Securities Act"). Pursuant to the terms and subject to the conditions of the
Agreement and Plan of Reorganization dated as of January 31, 1998 (the
"Agreement"), among BGS Systems, Inc., a Massachusetts corporation ("BGS"), BMC,
and Ranger Acquisition Corp., a Massachusetts corporation and a wholly owned
subsidiary of BMC ("Merger Sub"), BMC will own all of the outstanding capital
stock of BGS (the "Merger"), all of the outstanding shares of capital stock of
BGS will be exchanged for Common Stock, par value $.01 per share, of BMC ("BMC
Common Stock"), and unexpired and unexercised options to purchase capital stock
of BGS ("BGS Options") will become options to purchase BMC Common Stock ("BMC
Options").

         The undersigned further acknowledges and agrees with BMC that (i) the
undersigned has no current plan or intention to sell, exchange or otherwise
dispose of any shares of BMC Common Stock or BMC Options (or shares issuable
upon exercise thereof) currently held by the undersigned (or hereinafter
acquired), (ii) no disposition will be made by the undersigned of any shares of
BMC Common Stock or BMC Options (or shares issuable upon exercise thereof)
currently held by the undersigned (or hereinafter acquired) until such time as
results of operations of BMC covering 30 days of combined operations of BMC and
BGS have been published.




<PAGE>   58


         The undersigned acknowledges that the undersigned has carefully read
this letter and understands the requirements hereof and the limitations imposed
upon the distribution, sale, transfer or other disposition of BMC Common Stock
and BMC Options.


                                        Very truly yours,



                                        _______________________________________
                                        Name:


Agreed and accepted this ____ day of _____________, 1998

BMC SOFTWARE, INC.

By: _______________________________

Name: _____________________________

Title: ____________________________












                                     - 2 -




<PAGE>   1
                                                                    Exhibit 99.1

                          FORM OF STOCKHOLDER AGREEMENT


         This Stockholder Agreement dated as of January 31, 1998 is between BMC
Software, Inc., a Delaware corporation ("BMC"), and ____________________________
(the "Stockholder").

         WHEREAS, BMC, Ranger Acquisition Corp., a Massachusetts corporation and
wholly owned subsidiary of BMC ("Merger Sub"), and BGS Systems, Inc., a
Massachusetts corporation ("BGS"), are entering into an Agreement and Plan of
Reorganization dated as of the date hereof (as amended from time to time
pursuant thereto, the "Reorganization Agreement");

         WHEREAS, the Stockholder is the record and/or beneficial owner of
________ shares of Common Stock, par value $0.10 per share, of BGS (the "BGS
Common Stock") (such shares of BGS Common Stock, together with any shares of
capital stock of BGS acquired by the Stockholder after the date hereof and
during the term of this Agreement, being collectively referred to herein as the
"Stockholder Shares");

         WHEREAS, as a condition to the willingness of BMC to enter into the
Reorganization Agreement, and as an inducement to it to do so, the Stockholder
has agreed for the benefit of BMC as set forth in this Agreement; and

         WHEREAS, the Board of Directors of BGS has approved the Stockholder's
entering into this Agreement, the form of this Agreement and the transactions
contemplated hereby;

         NOW, THEREFORE, in consideration of the premises and the
representations, warranties, covenants and agreements contained in this
Agreement, the parties hereby agree as follows (terms defined in the
Reorganization Agreement and used but not defined herein having the meanings
assigned to such terms in the Reorganization Agreement):


                                   ARTICLE I.

                                   THE OPTION

         Section 1.1   Grant of the Option. The Stockholder hereby grants to BMC
an irrevocable option (the "Option") to purchase, on the terms and subject to
the conditions set forth herein, at a per share exercise price of $45.00 (the
"Exercise Price"), all Stockholder Shares, together with (i) any additional
shares of capital stock of BGS or any securities or other property that the
Stockholder is or becomes entitled to receive from BGS by reason of being a
record holder of such number of Stockholder Shares, (ii) any capital stock,
securities or other property into which any such number of Stockholder Shares
shall have been or shall be converted or changed, whether by amendment to the
Articles of Organization of BGS, merger, consolidation, reorganization, capital
change or otherwise, (iii) any additional BGS Common Stock acquired by the
Stockholder as the result of the Stockholder's exercising an option, warrant or
other right to acquire shares of capital stock from BGS


<PAGE>   2

issued with respect to such number of Stockholder Shares (all of the foregoing
hereinafter collectively referred to as the "Additional Stockholder Shares"),
and (iv) any shares of capital stock, securities or property referred to in
clauses (i), (ii), and (iii) above that are issued or issuable in respect of
Additional Stockholder Shares (such Stockholder Shares, the Additional
Stockholder Shares and any shares, securities or property referred to in clause
(iv) above being collectively referred to herein as the "Option Shares").

         Section 1.2   Exercise of the Option.

         (a)   Subject to the conditions set forth in Section 1.03, the Option
may be exercised in whole at any time, and in part from time to time, after the
occurrence of a Triggering Event but prior to the Termination Date.

         (b)   For purposes hereof, a "Triggering Event" means (A) the
termination of the Reorganization Agreement pursuant to Section 6.1.2, because
of the breach by BGS of Sections 4.2.1., 4.2.2., 4.2.4., 4.3.4., 4.3.6.1.,
4.3.6.2., 4.3.7., 4.3.8., 4.3.9 or 4.3.12., the effect of which in each case
would reasonably jeopardize the Merger, or pursuant to Section 6.1.5 thereof, or
(B) the failure of the holders of two-thirds of the outstanding shares of BGS
Common Stock to approve the Merger after the public announcement of, or the
disclosure to the Board of Directors of BGS of, a BGS Transaction Proposal.

         For purposes hereof, the "Termination Date" means the first to occur of
(1) the Effective Time of the Merger, (2) forty-five (45) days after the
occurrence of a Triggering Event and (3) the date the Reorganization Agreement
is terminated without giving rise to a Triggering Event.

         (c)   In the event BMC wishes to exercise the Option, BMC will send a
written notice to the Stockholder specifying a place, date (not less than two
business days nor more than 10 calendar days after the date such notice is
given) and time for the closing of the purchase of such Option Shares (the
"Closing").

         (d)   The purchase price payable to the Stockholder with respect to any
exercise of the Option will be the product of (i) the Exercise Price and (ii)
the number of Option Shares to be purchased upon such exercise.

         (e)   In the event of any change in the number of issued and
outstanding shares of BGS Common Stock by reason of any stock dividend,
split-up, recapitalization, combination, conversion, exchange of shares or other
change in the corporate or capital structure of BGS, the number and kind of
shares subject to the Option and the Exercise Price shall be adjusted
appropriately. If, on or after the date hereof, BGS should declare or pay any
cash or stock dividend (other than ordinary quarterly cash dividends as provided
in the Reorganization Agreement) or other distribution or issue any rights with
respect to the BGS Common Stock, payable or distributable to stockholders of
record on a date prior to the transfer to the name of BMC or its nominee on
BGS's stock transfer books of the Option Shares, and the Option is exercised,
then (a) the exercise price per Option Share will be reduced by the amount of
any such cash dividend or cash distribution, and (b) the whole of any such
non-cash dividends, distribution or right which would have been payable with
respect to each Option Share purchased by BMC if such shares were outstanding on
the record date for such distribution will be

                                      - 2 -

<PAGE>   3


promptly remitted and transferred by the Stockholder to BMC. Upon exercise of
the Option, to the extent consistent with law, pending such remittance, BMC will
be entitled to all rights and privileges as owner of any such non-cash dividend,
distribution or right with respect to each Option Share purchased.

         Section 1.3   Closing.

         (a)   At the Closing, the Stockholder will deliver to BMC a certificate
or certificates representing the Option Shares being purchased, duly endorsed
for transfer or accompanied by appropriate stock powers duly executed in blank,
and BMC will pay the purchase price in immediately available funds by wire
transfer to an account designated by the Stockholder. Transfer taxes, if any,
imposed as a result of the exercise of the Option and the transfer of any Option
Shares will be paid by the Stockholder.

         (b)   The obligations of BMC and the Stockholder to consummate the
purchase and sale of the Option Shares pursuant to this Article I will be
subject to the fulfillment of the following conditions:

              (i)   The expiration or termination of the waiting period
         applicable to the consummation of such transactions under the HSR Act;
         and

             (ii)   Neither of the parties hereto shall be subject to any order
         or injunction of a court of competent jurisdiction which prohibits the
         consummation of such transactions.

     Each of the parties will promptly make and will use all reasonable efforts
to cause each of their respective affiliates to make, all such filings and take
all such actions as may be reasonably required in order to permit the lawful
exercise of the Option, as promptly as possible. The date of any Closing may be
extended, if required, to the next business day following (1) the date that any
applicable waiting period under the HSR Act shall have expired or been earlier
terminated (but not beyond sixty (60) days after such date of Closing unless BGS
shall not have complied with its obligations under the Reorganization Agreement
with respect thereto), (2) the date that all other necessary governmental
approvals for the sale of the Option Shares for which the Option shall have been
exercised shall have been obtained, and (3) the satisfaction of any other
condition to the Closing; provided that any delay pursuant to clauses (2) or (3)
shall not exceed 10 business days.


                                   ARTICLE II.

                          COVENANTS OF THE STOCKHOLDER

         Section 2.01   Agreement to Vote. At any meeting of the stockholders of
BGS held prior to the Termination Date, however called, and at every adjournment
or postponement thereof prior to the Termination Date, or in connection with any
written consent of the stockholders of BGS given prior to the Termination Date,
the Stockholder shall vote or cause to be voted the Stockholder Shares in favor
of the approval of the Merger and each of the other transactions contemplated by
the Reorganization Agreement and in favor of the approval and adoption of the
Reorganization Agreement, and any actions required in furtherance hereof and
thereof. The

                                      - 3 -

<PAGE>   4



Stockholder hereby grants BMC an irrevocable proxy coupled with an interest to
vote the Stockholder Shares in favor of the Merger and each of the other
transactions contemplated by the Reorganization Agreement and in favor of the
approval and adoption of the Reorganization Agreement, and any actions required
in furtherance hereof and thereof. The Stockholder shall not enter into any
agreement or understanding with any person other than BMC prior to the
Termination Date, directly or indirectly, to vote, grant any proxy or give
instructions with respect to the voting of the Stockholder Shares in any manner
inconsistent with the preceding two sentences.

         Section 2.02   Proxies and Voting Agreements. Except as described in
Section 2.01, the Stockholder hereby revokes any and all previous proxies
granted with respect to matters set forth in Section 2.01. Prior to the
Termination Date, the Stockholder shall not, directly or indirectly, except as
contemplated hereby, grant any proxies or powers of attorney with respect to
matters set forth in Section 2.01, deposit any of the Stockholder Shares or
enter into a voting agreement with respect to any of the Stockholder Shares.

         Section 2.03   No Solicitation.

         (a)   From and after the date hereof until the Termination Date, the
Stockholder will not, and will not authorize or permit any of its officers,
directors, employees, partners, agents, affiliates or other representatives
(collectively, "Stockholder Representatives") to, directly or indirectly,
solicit or encourage (including by way of providing information) any prospective
acquiror or the invitation or submission of any inquiries, proposals or offers
or any other efforts or attempts that constitute, or may reasonably be expected
to lead to, a BGS Transaction Proposal.

         (b)   The Stockholder shall immediately cease and cause to be
terminated any existing solicitation, initiation, encouragement, activity,
discussion or negotiation with any parties conducted heretofore by the
Stockholder or any Stockholder Representatives with respect to any BGS
Transaction Proposal existing on the date hereof.

         (c)   Prior to the Termination Date, the Stockholder will promptly
notify BMC of any requests for information made to the Stockholder or any
Stockholder Representative or the receipt of any BGS Transaction Proposal made
to the Stockholder or any Stockholder Representative, including the identity of
the person or group engaging in such discussions or negotiations, requesting
such information or making such BGS Transaction Proposal, and the material terms
and conditions of any BGS Transaction Proposal.

         (d)   Prior to the Termination Date, the Stockholder shall not enter
into any agreement with any person that provides for, or in any way facilitates,
a BGS Transaction Proposal.

         (e)   The provisions of this Section 2.03 do not prohibit any
Stockholder Representative who is also a BGS director from taking actions
permitted by Section 4.3.6.1 of the Reorganization Agreement.

         Section 2.04   Transfer of Option Shares by the Stockholder. Prior to
the Termination Date, the Stockholder shall not (a) subject any of the Option
Shares to, or suffer to exist on any

                                      - 4 -

<PAGE>   5


of the Option Shares, any lien, pledge, security interest, charge or other
encumbrance or restriction, other than pursuant to this Agreement, or (b) sell,
transfer, assign, convey or otherwise dispose of any of the Option Shares
(including any such action by operation of law), other than a disposition by
operation of law pursuant to the Merger. Prior to the record date for the BGS
stockholder meeting to vote on the Reorganization Agreement, the Stockholder
will not sell, transfer, assign, convey or otherwise dispose of any of the
Stockholder Shares (including any such action by operation of law).

         Section 2.05   Other Actions. Prior to the Termination Date, the
Stockholder shall not take any action that would in any way restrict, limit,
impede or interfere with the performance of its obligations hereunder or the
transactions contemplated hereby or by the Reorganization Agreement.

                                  ARTICLE III.

              REPRESENTATIONS, WARRANTIES AND ADDITIONAL COVENANTS
                               OF THE STOCKHOLDER

         The Stockholder represents, warrants and covenants to BMC that:

         Section 3.01   Ownership. The Stockholder is as of the date hereof the
beneficial and record owner of the Stockholder Shares, the Stockholder has the
sole right to vote the Stockholder Shares and there are no restrictions on
rights of disposition or other lien, pledge, security interest, charge or other
encumbrance or restriction pertaining to the Stockholder Shares, none of the
Stockholder Shares is subject to any voting trust or other agreement,
arrangement or restriction with respect to the voting of the Stockholder Shares,
and no proxy, power of attorney or other authorization has been granted with
respect to any of the Stockholder Shares. Upon delivery of any Option Shares
upon exercise of the Option, BMC will acquire good title to such shares, free
and clear of all liens, pledges, security interests, charges or other
encumbrances or restrictions.

         Section 3.02   Authority and Non-Contravention. The Stockholder is a
[__________________________]. The Stockholder has the right, power and
authority, and the Stockholder has been duly authorized by all necessary action
(including consultation, approval or other action by or with any other person),
to execute, deliver and perform this Agreement and consummate the transactions
contemplated hereby.

         Such actions by the Stockholder (a) require no action by or in respect
of, or filing with, any governmental entity with respect to the Stockholder,
other than any required filings under the Exchange Act or under the HSR Act, and
(b) do not and will not contravene or constitute a default under any provisions
of applicable law or regulation or any agreement, judgment, injunction, order,
decree or other instrument binding on the Stockholder result in the imposition
of any lien, pledge, security interest, charge or other encumbrance or
restriction on any of the Stockholder Shares (other than as provided in this
Agreement with respect to Stockholder Shares).


                                      - 5 -

<PAGE>   6


         Section 3.03   Binding Effect. This Agreement has been duly executed
and delivered by the Stockholder and is the valid and binding agreement of the
Stockholder, enforceable against the Stockholder in accordance with its terms,
except as enforcement may be limited by bankruptcy, insolvency, moratorium or
other similar laws relating to creditors' rights generally and by equitable
principles to which the remedies of specific performance and injunctive and
similar forms of relief are subject.

         Section 3.04   Total Shares. The Stockholder Shares are the only shares
of capital stock of BGS owned beneficially or of record as of the date hereof by
the Stockholder, and the Stockholder does not have any option to purchase or
right to subscribe for or otherwise acquire any securities of BGS and has no
other interest in or voting rights with respect to any other securities of BGS.

         Section 3.05   Finder's Fees. No investment banker, broker or finder is
entitled to a commission or fee from BGS, BMC or Merger Sub in respect of this
Agreement based upon any arrangement or agreement made by or on behalf of the
Stockholder, except as otherwise provided in the Reorganization Agreement.

         Section 3.06   Reasonable Efforts. Prior to the Termination Date, the
Stockholder shall use reasonable efforts to take, or cause to be taken, all
actions, and to do, or cause to be done, and to assist and cooperate with BMC in
doing, all things necessary, proper or advisable to consummate and make
effective the Merger and the other transactions contemplated by the
Reorganization Agreement and this Agreement.

                                   ARTICLE IV.

                REPRESENTATIONS, WARRANTIES AND COVENANTS OF BMC

                          BMC represents, warrants and covenants to the
Stockholder that:

         Section 4.01   Corporate Power and Authority. BMC has all requisite
corporate power and authority to enter into this Agreement and to perform its
obligations hereunder. The execution, delivery and performance by BMC to this
Agreement and the consummation by BMC of the transactions contemplated hereby
have been duly authorized by all necessary corporate action on the part of BMC.

         Section 4.02   Binding Effect. This Agreement has been duly executed
and delivered by BMC and is a valid and binding agreement of BMC, enforceable
against BMC in accordance with its terms, except as enforcement may be limited
by bankruptcy, insolvency, moratorium or other similar laws relating to
creditors' rights generally and by equitable principles to which the remedies of
specific performance and injunctive and similar forms of relief are subject.


                                      - 6 -

<PAGE>   7

                                   ARTICLE V.

                                  MISCELLANEOUS

         Section 5.01   Expenses. Each party hereto shall pay its own expenses
incident to preparing for entering into and carrying out this Agreement and the
consummation of the transactions contemplated hereby.

         Section 5.02   Further Assurances. From time to time, at the request of
the other party, each party shall execute and deliver or cause to be executed
and delivered such additional documents and instruments and take all such
further action as may be necessary or desirable to consummate the transactions
contemplated by this Agreement.

         Section 5.03   Specific Performance. The Stockholder agrees that BMC
would be irreparably damaged if for any reason the Stockholder fails to perform
any of the Stockholder's obligations under this Agreement, and that BMC would
not have an adequate remedy at law for money damages in such event. Accordingly,
BMC shall be entitled to seek specific performance and injunctive and other
equitable relief to enforce the performance of this agreement by the Stockholder
without any requirement for the securing or posting of any bond. This provision
is without prejudice to any other rights that BMC may have against the
Stockholder for any failure to perform its obligations under this Agreement.

         Section 5.04   Notices. Any notice or communication required or
permitted hereunder shall be in writing and either delivered personally,
telegraphed or telecopied or sent by certified or registered mail, postage
prepaid, and shall be deemed to be given, dated and received when so delivered
personally, telegraphed or telecopied or, if mailed, five business days after
the date of mailing to the following address or telecopy number, or to such
other address or addresses as such person may subsequently designate by notice
given hereunder.

        (a)   if to BMC or Merger Sub, to:
              BMC
              2101 Citywest Blvd.
              Houston, Texas 77042-2627
              Attention: M. Brinkley Morse
              Facsimile: 713/918-8000

         with a copy to:

              Vinson & Elkins L.L.P.
              2300 First City Tower
              Houston, Texas 77002
              Attention: John S. Watson
              Facsimile: 713/615-5236


                                      - 7 -

<PAGE>   8



        (b)   if to Stockholder, to:





              with a copy to:

              Palmer & Dodge LLP
              One Beacon Street
              Boston, Massachusetts  02108
              Attention: Steven N. Farber
              Facsimile: 617/227-4420

         Section 5.05   Interpretation. When a reference is made in this
Agreement to Sections, such reference shall be to a Section of this Agreement
unless otherwise indicated. The headings contained in this Agreement are for
reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement. Whenever the work "include," "includes" or
"including" are used in this Agreement, they shall be deemed to be followed by
the words "without limitation." Unless the context otherwise requires, "or" is
disjunctive but not necessarily exclusive, and words in the singular include the
plural and in the plural include the singular. The term "person" is to be
interpreted broadly to include any corporation, partnership, trust, limited
liability company, government or other entity and any group (as used with
respect to Section 13(d) of the Exchange Act). Section F.. Counterparts. This
Agreement may be executed in two or more counterparts, all of which shall be
considered one and the same agreement and shall become effective when two or
more counterparts have been signed by each of the parties and delivered to the
other party, it being understood that all parties need not sign the same
counterpart.

         Section 5.06   Entire Agreement; No Third Party Beneficiaries. This
Agreement (a) constitutes the entire agreement and supersedes all prior
agreements and understandings, both written and oral, among the parties with
respect to the subject matter hereto and (b) is not intended to confer upon any
person other than the parties hereto any rights or remedies hereunder.

         Section 5.07   Governing Law. This Agreement shall be governed and
construed in accordance with the laws of The Commonwealth of Massachusetts,
without giving effect to the principles of conflicts of law thereof.

         Section 5.08   Assignment. Neither this Agreement nor any of the
rights, interests or obligations hereunder shall be assigned by any of the
parties hereto (whether by operation of law or otherwise) except to the partners
of the Stockholder as permitted herein without the prior written consent of the
other party. Subject to the preceding sentence, this Agreement will be binding
upon, inure to the benefit of and be enforceable by the parties and their
respective successors and assigns. All costs and expenses incurred in connection
with this Agreement shall be paid by the party incurring such cost or expense.


                                      - 8 -

<PAGE>   9

         Section 5.09   Amendments; Terminations. This Agreement may not be
modified, amended, altered or supplemented, except upon the execution and
delivery of a written agreement executed by the parties hereto.

         Section 5.10   Certain Events. The Stockholder agrees that this
Agreement and the obligations hereunder shall attach to the Stockholder Shares
beneficially owned by such Stockholder and shall be binding upon any person to
which legal or beneficial ownership of such shares shall pass, whether by
operation of law or otherwise.










                                      - 9 -

<PAGE>   10


         IN WITNESS WHEREOF, BMC and the Stockholder have caused this Agreement
to be duly executed as of the day and year first above written.


                                          STOCKHOLDER:


                                          _____________________________________


                                          By: _________________________________
                                          Name:
                                          Title:


                                          BMC:

                                          BMC SOFTWARE, INC.

                                          By: _________________________________
                                          Name:
                                          Title:




                                     - 10 -



<PAGE>   1
                                                                    Exhibit 99.2


                          FORM OF EMPLOYMENT AGREEMENT

         This Employment Agreement ("Agreement") is entered into between BGS
Systems, Inc., a Massachusetts corporation having offices at One First Avenue,
Waltham, Massachusetts 02254 ("Employer"), and _________________, an individual
currently residing at _____________________________ ("Employee"), to be
effective as of the earlier of (a) the termination of Employee's employment by
Employer and (b) the Effective Time of the Merger. Capitalized terms not
otherwise defined herein shall have the meaning ascribed thereto in the Merger
Agreement.

         WHEREAS, Employee will receive substantial consideration as a result of
the merger (the "Merger") of Ranger Acquisition Corp., a Massachusetts
corporation, with and into Employer, resulting in Employer becoming a wholly
owned subsidiary of BMC Software, Inc., a Delaware corporation ("Parent"),
pursuant to the Agreement and Plan of Reorganization and related documentation
(the "Merger Agreement") which is being entered into contemporaneously with this
Agreement among Employer, Parent, and Ranger Acquisition Corp.;

         For and in consideration of the mutual promises, covenants, and
obligations contained herein, Employer and Employee agree as follows:

1.       EMPLOYMENT AND DUTIES:

         1.1    Employer agrees to employ Employee, and Employee agrees to be
employed by Employer, beginning the Effective Time and continuing throughout the
Term (as defined below) of this Agreement, subject to the terms and conditions
of this Agreement.

         1.2    Employee shall serve in such position as directed by the Board
of Directors of Employer. Employee agrees to serve in the assigned position and
to perform diligently and to the best of Employee's abilities the duties and
services appertaining to such position as determined by Employer, as well as
such additional or different duties and services appropriate to such position
which Employee from time to time may be reasonably directed to perform by
Employer. Employee shall at all times comply with and be subject to such
policies and procedures as Employer may establish from time to time.

         1.3    Employee shall, during the period of Employee's employment by
Employer, devote one-half of Employee's business time and energy, and his best
efforts to the business and affairs of Employer. During such period of
employment, Employee may not engage, directly or indirectly, in any other
business, investment, or activity that interferes with Employee's performance of
Employee's duties hereunder, is contrary to the interests of Employer or any of
its subsidiaries or affiliates, or requires significantly more than one-half of
Employee's business time; provided, however, that Employee may engage in passive
personal investments that do not conflict with the business and affairs of the
Employer or any of its subsidiaries or affiliates or interfere with Employee's
performance of his or her duties hereunder.

         1.4    Employee acknowledges and agrees that Employee owes a fiduciary
duty of loyalty, fidelity and allegiance to act at all times in the best
interests of Employer or any of its


<PAGE>   2


subsidiaries or affiliates and to do no act which would injure the business,
interests, or reputation of Employer or any of its subsidiaries or affiliates.
In keeping with these duties, Employee shall make full disclosure to Employer of
all business opportunities pertaining to Employer's business and shall not
appropriate for Employee's own benefit business opportunities concerning the
subject matter of the fiduciary relationship.

         1.5    It is agreed that any direct or indirect interest in, connection
with, or benefit from any outside activities, particularly commercial
activities, which interest might in any way adversely affect Employer, or any of
its affiliates, involves a possible conflict of interest. In keeping with
Employee's fiduciary duties to Employer, Employee agrees that Employee shall not
knowingly become involved in a conflict of interest with Employer, or its
affiliates, or upon discovery thereof, allow such a conflict to continue.
Moreover, Employee agrees that Employee shall disclose to Employer's General
Counsel (who shall be the General Counsel of Parent) any facts which might
involve such a conflict of interest that has not been approved by Employer's
President. Employer and Employee recognize that it is impossible to provide an
exhaustive list of actions or interests which constitute a "conflict of
interest". Moreover, Employer and Employee recognize there are many borderline
situations. In some instances, full disclosure of facts by Employee to
Employer's General Counsel may be all that is necessary to enable Employer or
its subsidiaries or affiliates to protect its interests. In others, if no
improper motivation appears to exist and the interests of Employer or its
subsidiaries or affiliates have not suffered, prompt elimination of the outside
interest will suffice. In still others, it may be necessary for Employer to
terminate the employment relationship. Employee agrees that Employer's
determination as to whether a conflict of interest exists shall be conclusive.
Employer reserves the right to take such action as, in its judgment, will end
the conflict.

2.      COMPENSATION AND BENEFITS:

         2.1    Employee's initial base salary under this Agreement shall be the
prorated equivalent of $275,000 per annum (or $137,500 for half-time employment)
and shall be paid in semi-monthly installments in accordance with Employer's
standard payroll practice. Employee's base salary may be increased from time to
time by Employer and, after any such change, Employee's new level of base salary
shall be Employee's base salary for purposes of this Agreement until the
effective date of any subsequent change.

         2.2    Employee's participation in bonus plans in excess of the
compensation received pursuant to Section 2.1, if any, shall be determined by
the compensation committee of the Board of Directors of Employer in its sole
discretion.

         2.3    If Employee is granted stock options, Employee will enter into a
separate written stock option agreement pursuant to which Employee shall be
granted the option to acquire common stock of Employer or Parent subject to the
terms and conditions of Employer's or Parent's employee option or incentive plan
and the stock option agreement entered into thereunder. The number of shares,
exercise price per share and other terms of the options shall be as specified in
such other written agreement.

         2.4    While employed by Employer, Employee shall be allowed to
participate, on the same basis generally as other employees of Employer, in all
general employee benefit plans and

                                      - 2 -

<PAGE>   3


programs, including improvements or modifications of the same, which on the
effective date or thereafter are made available by Employer to all or
substantially all of Employer's employees. Such benefits, plans, and programs
may include, without limitation, medical, health, and dental care, life
insurance, disability protection, and pension plans. Nothing in this Agreement
is to be construed or interpreted to provide greater rights, participation,
coverage, or benefits under such benefit plans or programs than provided to
similarly situated employees pursuant to the terms and conditions of such
benefit plans and programs.

         2.5    Employer shall not by reason of this Article 2 be obligated to
institute, maintain, or refrain from changing, amending, or discontinuing, any
incentive compensation or employee benefit program or plan, so long as such
actions are similarly applicable to covered employees generally. Moreover,
unless specifically provided for in a written plan document adopted by the Board
of Directors of Employer, none of the benefits or arrangements described in this
Article 2 shall be secured or funded in any way, and each shall instead
constitute an unfunded and unsecured promise to pay money in the future
exclusively from the general assets of Employer and its subsidiaries and
affiliates.

         2.6    Employer may withhold from any compensation, benefits, or
amounts payable under this Agreement all federal, state, city, or other taxes as
may be required pursuant to any law or governmental regulation or ruling.

3.     TERM OF THIS AGREEMENT, EFFECT OF EXPIRATION OF TERM, AND TERMINATION
         PRIOR TO EXPIRATION OF TERM AND EFFECTS OF SUCH TERMINATION:

         3.1    The term of this Agreement shall be for three (3) years from the
Effective Time. Should Employee remain employed by Employer beyond the
expiration of the Term, such employment shall convert to a month-to-month
relationship terminable at any time by either Employer or Employee for any
reason whatsoever, with or without cause, upon thirty days notice. Upon such
termination of the continued at-will employment relationship by either Employer
or Employee for any reason whatsoever, all future compensation to which Employee
is entitled and all future benefits for which Employee is eligible shall cease
and terminate. Employee shall be entitled to pro rata salary through the date of
such termination, but Employee shall not be entitled to any bonus with respect
to the operations of the Employer and its subsidiaries and affiliates during the
calendar year in which Employee's employment with Employer is terminated. Upon
termination of employment, Employee shall repay to Employer all advances
received by Employee from Employer or any of its subsidiaries or affiliates,
including all advances drawn against any bonus.

         3.2    Notwithstanding any other provisions of this Agreement, Employer
shall have the right to terminate Employee's employment under this Agreement at
any time for any of the following reasons:

         (i)   For "cause" upon the determination by Employer's Board of
               Directors that "cause" exists for the termination of the
               employment relationship. As used in this Section 3.2(i), the term
               "cause" shall mean (a) Employee has engaged in gross negligence,
               gross incompetence or willful misconduct in the performance of,
               or




                                      - 3 -

<PAGE>   4



               Employee's willful refusal without proper reason to perform, the
               duties and services required of Employee pursuant to this
               Agreement; (b) Employee has been convicted of a felony; or (c)
               Employee's material breach of any material provision of this
               Agreement or corporate code or policy which remains uncorrected
               for thirty (30) days following written notice of such breach to
               Employee. It is expressly acknowledged and agreed that the
               decision as to whether "cause" exists for termination of the
               employment relationship by Employer is delegated to Employer's
               Board of Directors for determination. Employee, if he so
               requests, after reasonable notice of such Board of Directors
               meeting, shall be entitled to be heard before the Board of
               Directors. If Employee disagrees with the decision reached by
               Employer's Board of Directors, the dispute will be limited to
               whether Employer's Board of Directors reached its decision in
               good faith;

         (ii)  for any other reason whatsoever, including termination without
               cause, in the sole discretion of Employer's Board of Directors;

         (iii) upon Employee's death; or

         (iv)  upon Employee's becoming incapacitated by accident, sickness, or
               other circumstance which in the reasonable opinion of a qualified
               doctor approved by Employer's Board of Directors renders him
               mentally or physically incapable of performing the duties and
               services required of Employee, and which will continue in the
               reasonable opinion of such doctor for a period of not less than
               180 days.

The termination of Employee's employment shall constitute a "Termination for
Cause" if made pursuant to Section 3.2(i); the effect of such termination is
specified in Section 3.4. The termination of Employee's employment shall
constitute an "Involuntary Termination" if made pursuant to Section 3.2(ii); the
effect of such termination is specified in Section 3.5. The effect of the
employment relationship being terminated pursuant to Section 3.2(iii) as a
result of Employee's death is specified in Section 3.7. The effect of the
employment relationship being terminated pursuant to Section 3.2(iv) as a result
of the Employee becoming incapacitated is specified in Section 3.8.

         3.3    Notwithstanding any other provisions of this Agreement, Employee
shall have the right to terminate the employment relationship under this
Agreement at any time for any of the following reasons:

         (i)   a material breach by Employer of any material provision of this
               Agreement, which remains uncorrected for 30 days following
               written notice of such breach by Employee to Employer's Board of
               Directors;

         (ii)  the dissolution of Employer; or



                                      - 4 -

<PAGE>   5

         (iii) for any other reason whatsoever, in the sole discretion of
               Employee.

The termination of Employee's employment by Employee shall constitute an
"Involuntary Termination" if made pursuant to Section 3.3(i) or 3.3(ii); the
effect of such termination is specified in Section 3.5. The termination of
Employee's employment by Employee shall constitute a "Voluntary Termination" if
made pursuant to Sections 3.3(iii); the effect of such termination is specified
in Section 3.4.

         3.4    Upon a "Voluntary Termination" of the employment relationship by
Employee or a termination of the employment relationship for "Cause" by
Employer, all future compensation to which Employee is entitled and all future
benefits for which Employee is eligible shall cease and terminate as of the date
of termination. Employee shall be entitled to pro rata salary through the date
of such termination, but Employee shall not be entitled to any bonuses with
respect to the operations of the Employer and its subsidiaries and affiliates
during the calendar year in which Employee's employment with Employer is
terminated.

         3.5    Upon an Involuntary Termination of the employment relationship
by either Employer or Employee pursuant to Sections 3.2(ii) or 3.3(i), Employee
shall be entitled, in consideration of Employee's continuing obligations
hereunder after such termination (including, without limitation, Employee's
non-competition obligations), to receive the compensation specified in Section
2.1 only, payable bi-weekly, as if Employee's employment (which shall cease on
the date of such Involuntary Termination) had continued for the full Term of
this Agreement. Upon an Involuntary Termination of the employment relationship
by Employee pursuant to Sections 3.3(ii), Employee shall be entitled, in
consideration of Employee's continuing obligations hereunder after such
termination (including, without limitation, Employee's non-competition
obligations), to receive in a lump sum payment the compensation specified in
Section 2.1 as if Employee's employment (which shall cease on the date of such
Involuntary Termination) had continued for the full Term of this Agreement.
Employee shall not be under any duty or obligation to seek or accept other
employment following Involuntary Termination and the amounts due Employee
hereunder shall not be reduced or suspended if Employee accepts subsequent
employment. Employee's rights under this Section 3.5 are Employee's sole and
exclusive rights against Employer or its subsidiaries or affiliates, and
Employer's and its subsidiaries' and affiliates' sole and exclusive liability to
Employee under this Agreement, in contract, tort, or otherwise, for any
Involuntary Termination of the employment relationship.

         3.6    Employee covenants not to sue or lodge any claim, demand or
cause of action against Employer based on Involuntary Termination for any monies
other than those specified in Section 3.5. If Employee breaches this covenant,
Employer, and its subsidiaries' and affiliates' shall be entitled to recover
from Employee all sums expended by Employer, and its subsidiaries and affiliates
(including costs and attorneys' fees) in connection with such suit, claim,
demand or cause of action. Employer and its subsidiaries and affiliates shall
not be entitled to offset any of the amounts specified in the immediately
preceding sentence against amounts otherwise owing by Employer and its
subsidiaries and affiliates to Employee prior to a final determination under the
terms of the arbitration provisions of this Agreement that Employee has breached
the covenant contained in this Section 3.6.


                                      - 5 -

<PAGE>   6

         3.7    Upon termination of the employment relationship as a result of
Employee's death, Employee's heirs, administrators, or legatees shall be
entitled to Employee's pro rata salary through the date of such termination, but
Employee's heirs, administrators, or legatees shall not be entitled to any
individual bonuses with respect to the operations of the Employer and its
subsidiaries and affiliates during the calendar year in which Employee's
employment with Employer is terminated.

         3.8    Upon termination of the employment relationship as a result of
Employee's incapacity, Employee shall be entitled to his pro rata salary through
the date of such termination, but Employee shall not be entitled to any
individual bonuses with respect to the operations of the Employer and its
subsidiaries and affiliates during the calendar year in which Employee's
employment with Employer is terminated.

         3.9    In all cases, the compensation and benefits payable to Employee
under this Agreement upon termination of the employment relationship shall be
reduced and offset by any amounts to which Employee may otherwise be entitled
under any and all severance plans (excluding any pension, retirement and profit
sharing plans of Employer that may be in effect from time to time) or policies
of Employer or its subsidiaries or affiliates or any successor to all or a
portion of the business or assets of Employer.

         3.10    Termination of the employment relationship shall not terminate
those obligations imposed by this Agreement which are continuing in nature,
including, without limitation, Employee's obligations of confidentiality,
non-competition and Employee's continuing obligations with respect to business
opportunities that had been entrusted to Employee by Employer during the
employment relationship.

         3.11    This Agreement governs the rights and obligations of Employer
and Employee with respect to Employee's salary and other perquisites of
employment.

4.       UNITED STATES FOREIGN CORRUPT PRACTICES ACT AND OTHER LAWS:

         4.1    Employee shall at all times comply with United States laws
applicable to Employee's actions on behalf of Employer and its subsidiaries and
affiliates, including specifically, without limitation, the United States
Foreign Corrupt Practices Act, generally codified in 15 USC 78 (FCPA), as the
FCPA may hereafter be amended, and/or its successor statutes. If Employee pleads
guilty to or nolo contendre or admits civil or criminal liability under the FCPA
or other applicable United States law, or if a court finds that Employee has
personal civil or criminal liability under the FCPA or other applicable United
States law, or if a court finds that Employee committed an action resulting in
Employer or any of its subsidiaries having civil or criminal liability or
responsibility under the FCPA or other applicable United States law, such action
or finding shall constitute "cause" for termination under this Agreement unless
Employer's Board of Directors determines that the actions found to be in
violation of the FCPA or other applicable United States law were taken in good
faith and in compliance with all applicable policies of Employer. Moreover, to
the extent that Employer or any of its subsidiaries is found or held responsible
for any civil or criminal fines or sanctions of any type under the FCPA or other
applicable United States law or suffers other damages as a result of Employee's
actions, Employee shall be responsible for, and shall reimburse and pay to such

                                      - 6 -

<PAGE>   7

Employer an amount of money equal to, such civil or criminal fines, sanctions or
damages. The rights afforded Employer under this provision are in addition to
any and all rights and remedies otherwise afforded by the law.

5.       OWNERSHIP AND PROTECTION OF INFORMATION; COPYRIGHTS:

         5.1    Employer owns certain confidential and proprietary information
and trade secrets to which Employee will be given access for the purpose of
carrying out his or her employment responsibilities hereunder. Furthermore,
Employer agrees to provide Employee with confidential and proprietary
information and trade secrets regarding the Employer and its subsidiaries and
affiliates, in order to assist Employee in satisfying his or her obligations
hereunder.

         5.2    All information, ideas, concepts, improvements, discoveries, and
inventions, whether patentable or not, which are conceived, made, developed or
acquired by Employee, individually or in conjunction with others, during
Employee's employment by Employer (whether during business hours or otherwise
and whether on Employer's premises or otherwise) which relate to Employer's or
any of its subsidiaries' or affiliates' businesses, products or services
(including, without limitation, all such information relating to corporate
opportunities, research, financial and sales data, pricing and trading terms,
evaluations, opinions, interpretations, acquisition prospects, the identity of
customers or their requirements, the identity of key contacts within the
customer's organizations or within the organization of acquisition prospects, or
marketing and merchandising techniques, prospective names, and marks) shall be
disclosed to Employer and are and shall be the sole and exclusive property of
Employer. Upon termination of Employee's employment, for any reason, Employee
promptly shall deliver the same, and all copies thereof, to Employer.

         5.3    Employee will not, at any time during or after his employment by
Employer, make any unauthorized disclosure of any confidential business
information or trade secrets of Employer or its subsidiaries or affiliates, or
make any use thereof, except in the carrying out of his employment
responsibilities hereunder. As a result of Employee's employment by Employer,
Employee may also from time to time have access to, or knowledge of,
confidential business information or trade secrets of third parties, such as
customers, suppliers, partners, joint venturers, and the like, of Employer and
its subsidiaries and affiliates. Employee also agrees to preserve and protect
the confidentiality of such third party confidential information and trade
secrets to the same extent, and on the same basis, as Employer's or any of its
subsidiaries' or affiliates' confidential business information and trade
secrets, unless and until such information is part of the public domain through
no fault of Employee.

         5.4    If, during Employee's employment by Employer, Employee creates
any original work of authorship fixed in any tangible medium of expression which
is the subject matter of copyright (such as videotapes, written presentations on
acquisitions, computer programs, E-mail, voice mail, electronic databases,
drawings, maps, architectural renditions, models, manuals, brochures, or the
like) relating to Employer's, or any of its subsidiaries' or affiliates'
businesses, products, or services, whether such work is created solely by
Employee or jointly with others (whether during business hours or otherwise and
whether on Employer's or any of its subsidiaries' or affiliates' premises or
otherwise), Employer shall be deemed the author of such work if the work is
prepared by Employee in the scope of his or her employment; or, if the

                                      - 7 -

<PAGE>   8


work is not prepared by Employee within the scope of his or her employment but
is specially ordered by Employer or any of its subsidiaries or affiliates as a
contribution to a collective work, as a part of a motion picture or other
audiovisual work, as a translation, as a supplementary work, as a compilation,
or as an instructional text, then the work shall be considered to be work made
for hire and Employer or any of its subsidiaries or affiliates shall be the
author of the work. If such work is neither prepared by Employee within the
scope of his or her employment nor a work specially ordered that is deemed to be
a work made for hire, then Employee hereby agrees to assign, and by these
presents does assign, to Employer all of Employee's worldwide right, title, and
interest in and to such work and all rights of copyright therein; PROVIDED,
HOWEVER, that materials prepared by Employee that are outside the scope of
Employee's employment and do not contain any confidential or proprietary
information or trade secrets of Employer may be retained and owned by Employee
after written consent from Employer.

         5.5    Both during the period of Employee's employment by Employer and
thereafter, Employee shall assist Employer, or any of its subsidiaries or
affiliates and their nominees, at any time, in the protection of Employer's or
any of its subsidiaries' or affiliates' worldwide right, title, and interest in
and to information, ideas, concepts, improvements, discoveries, and inventions,
and its copyrighted works, including without limitation, the execution of all
formal assignment documents requested by Employer or any of its subsidiaries or
affiliates or their nominees and the execution of all lawful oaths and
applications for applications for patents and registration of copyright in the
United States and foreign countries.

6.       POST-MERGER AND POST-EMPLOYMENT NON-COMPETITION OBLIGATIONS:

         6.1    As part of the consideration received by Employee in the Merger
and as part of the consideration for the compensation and benefits to be paid
and extended to Employee hereunder, and as an additional incentive for Employer
to enter into the Merger Agreement, Employer and Employee agree to the
non-competition provisions of this Article 6. Employee agrees that without the
express written consent of Employer during the period of Employee's
non-competition obligations hereunder, Employee will not, directly or indirectly
for Employee or for others:

         (i)   engage in any software business involved in any of the systems
               management disciplines generally understood to be monitoring,
               event management, capacity planning and performance management in
               the MVS, UNIX and Microsoft NT operating environments;

         (ii)  render advice or services to, or otherwise assist, any other
               person, association, or entity who is engaged, directly or
               indirectly, in any business described in clause (i) above;

         (iii) encourage or induce any current or former employee of Employer or
               any of its subsidiaries or affiliates to leave the employment of
               Employer or any of its subsidiaries or affiliates or proselytize,
               offer employment, retain, hire or assist in the hiring of any
               such employee by any person, association, or entity not
               affiliated with

                                      - 8 -

<PAGE>   9

               Employer or any of its subsidiaries or affiliates; provided,
               however, that nothing in this subsection (iii) shall prohibit
               Employee from offering employment to any prior employee of
               Employer or any of its subsidiaries or affiliates who was not
               employed by Employer or any of its subsidiaries or affiliates at
               any time in the twelve (12) months prior to the termination of
               Employee's employment.

The non-competition obligations set forth in subsections (i), (ii) and (iii) of
this Section 6.1 shall apply during Employee's employment and for a period
ending the later of one (1) year after termination of employment or three (3)
years after the Effective Time. It is understood that clauses (i) and (ii) above
shall not prevent Employee from (A) owning not more than 1% of the outstanding
stock of a publicly held company, (B) serving as a director of a company engaged
in the software business so long as its products and services are not
competitive with those of Employer or (C) engaging in non-commercial activities
in the systems management disciplines which do not involve the promotion of
software products competitive with those of Employer, including without
limitation conducting research; publishing books, technical papers and similar
materials; presenting educational seminars and courses and participating in
technical conferences and professional organizations and groups.

         6.2    Employee understands that the foregoing restrictions may limit
his ability to engage in certain businesses anywhere in the world during the
period provided for above, but acknowledges that Employee will receive
sufficiently high remuneration and other benefits (e.g., the consideration to be
received by Employee in the Merger, the right to receive compensation under
Section 3.5 for the remainder of the Term upon Involuntary Termination and
access to certain confidential and proprietary information and trade secrets)
under this Agreement to justify such restriction. Employee acknowledges that
money damages would not be sufficient remedy for any breach of this Article 6 by
Employee, and Employer or any of its subsidiaries or affiliates shall be
entitled to enforce the provisions of this Article 6 by terminating any payments
then owing to Employee under this Agreement and/or to specific performance and
injunctive relief as remedies for such breach or any threatened breach, without
any requirement for the securing or posting of any bond in connection with such
remedies. Such remedies shall not be deemed the exclusive remedies for a breach
of this Article 6, but shall be in addition to all remedies available at law or
in equity to Employer or any of its subsidiaries or affiliates, including,
without limitation, the recovery of damages from Employee and his agents
involved in such breach.

         6.3    It is expressly understood that the restrictions contained in
this Article 6 are related to and result from the agreements of Employer and
Employee in Article 5 and agreed that Employer and Employee consider the
restrictions contained in this Article 6 to be reasonable and necessary to
protect the confidential and proprietary information and trade secrets of
Employer and its subsidiaries and affiliates. Nevertheless, if any of the
aforesaid restrictions are found by a court having jurisdiction to be
unreasonable, or overly broad as to geographic area or time, or otherwise
unenforceable, the parties intend for the restrictions therein set forth to be
modified by such courts so as to be reasonable and enforceable and, as so
modified by the court, to be fully enforced.


                                      - 9 -

<PAGE>   10

7.       MISCELLANEOUS:

         7.1    For purposes of this Agreement the terms "affiliates" or
"affiliated" means an entity who directly, or indirectly through one or more
intermediaries, controls, is controlled by, or is under common control with
Employer.

         7.2    Employee shall refrain, both during the employment relationship
and after the employment relationship terminates, from publishing any oral or
written statements about Employer or any of its subsidiaries' or affiliates'
directors, officers, employees, agents or representatives that are slanderous,
libelous, or defamatory; or that disclose private or confidential information
about Employer or any of its subsidiaries' or affiliates' business affairs,
officers, employees, agents, or representatives; or that constitute an intrusion
into the seclusion or private lives of Employer or any of its subsidiaries' or
affiliates' directors, officers, employees, agents, or representatives; or that
give rise to unreasonable publicity about the private lives of Employer or any
of its subsidiaries' or affiliates' officers, employees, agents, or
representatives; or that place Employer or its subsidiaries' or affiliates' or
its officers, employees, agents, or representatives in a false light before the
public; or that constitute a misappropriation of the name or likeness Employer
or any of its subsidiaries' or affiliates' or its officers, employees, agents,
or representatives. A violation or threatened violation of this prohibition may
be enjoined.

         7.3    For purposes of this Agreement, notices and all other
communications provided for herein shall be in writing and shall be deemed to
have been duly given when personally delivered or when mailed by United States
registered or certified mail, return receipt requested, postage prepaid,
addressed as follows:

         If to Employer to:

               BGS Systems, Inc.
               c/o BMC Software, Inc.
               2101 Citywest Blvd.
               Houston, Texas 77042-2627
               Attn: M. Brinkley Morse

         with a copy to:

               Vinson & Elkins L.L.P.
               2300 First City Tower
               1001 Fannin
               Houston, Texas 77002-6760
               Attn: John S. Watson

         If to Employee, to the address shown on the first page hereof.

Either Employer or Employee may furnish a change of address to the other in
writing in accordance herewith, except that notices of changes of address shall
be effective only upon receipt.

                                     - 10 -

<PAGE>   11


         7.4    This Agreement shall be governed in all respects by the laws of
the Commonwealth of Massachusetts, excluding any conflict-of-law rule or
principle that might refer the construction of the Agreement to the laws of
another State or country.

         7.5    No failure by either party hereto at any time to give notice of
any breach by the other party of, or to require compliance with, any condition
or provision of this Agreement shall be deemed a waiver of similar or dissimilar
provisions or conditions at the same or at any prior or subsequent time.

         7.6    It is a desire and intent of the parties that the terms,
provisions, covenants, and remedies contained in this Agreement shall be
enforceable to the fullest extent permitted by law. If any such term, provision,
covenant, or remedy of this Agreement or the application thereof to any person,
association, or entity or circumstances shall, to any extent, be construed to be
invalid or unenforceable in whole or in part, then such term, provision,
covenant, or remedy shall be construed in a manner so as to permit its
enforceability under the applicable law to the fullest extent permitted by law.
In any case, the remaining provisions of this Agreement or the application
thereof to any person, association, or entity or circumstances other than those
to which they have been held invalid or unenforceable, shall remain in full
force and effect.

         7.7    Any and all claims, demands, cause of action, disputes,
controversies and other matters in question arising out of or relating to this
Agreement, any provision hereof, the alleged breach thereof, or in any way
relating to the subject matter of this Agreement, involving Employer, its
subsidiaries and affiliates and Employee (all of which are referred to herein as
"Claims"), even though some or all of such Claims allegedly are
extra-contractual in nature, whether such Claims sound in contract, tort or
otherwise, at law or in equity, under state or federal law, whether provided by
statute or the common law, for damages or any other relief, including equitable
relief and specific performance, shall be resolved and decided by binding
arbitration pursuant to the Federal Arbitration Act in accordance with the
Commercial Arbitration Rules then in effect with the American Arbitration
Association. In the arbitration proceeding the Employee shall select one
arbitrator, the Employer shall select one arbitrator and the two arbitrators so
selected shall select a third arbitrator. Should one party fail to select an
arbitrator within five days after notice of the appointment of an arbitrator by
the other party or should the two arbitrators selected by the Employee and the
Employer fail to select an arbitrator within ten days after the date of the
appointment of the last of such two arbitrators, any person sitting as a Judge
of the United States District Court located in The Commonwealth of
Massachusetts, upon application of the Employee or the Employer, shall appoint
an arbitrator to fill such space with the same force and effect as though such
arbitrator had been appointed in accordance with the immediately preceding
sentence of this Section 7.7. The decision of a majority of the arbitrators
shall be binding on the Employee, the Employer and its subsidiaries and
affiliates. The arbitration proceeding shall be conducted in Boston,
Massachusetts. Judgment upon any award rendered in any such arbitration
proceeding may be entered by any federal or state court having jurisdiction.

         This agreement to arbitrate shall be enforceable in either federal or
state court. The enforcement of this agreement to arbitrate and all procedural
aspects of this Agreement to arbitrate, including but not limited to, the
construction and interpretation of this agreement to arbitrate, the scope of the
arbitrable issues, allegations of waiver, delay or defenses to




                                     - 11 -

<PAGE>   12


arbitrability, and the rules governing the conduct of the arbitration, shall be
governed by and construed pursuant to the Federal Arbitration Act.

         In deciding the substance of any such Claim, the Arbitrators shall
apply the substantive laws of The Commonwealth of Massachusetts; provided,
however, that the Arbitrators shall have no authority to award treble, exemplary
or punitive type damages under any circumstances regardless of whether such
damages may be available under Massachusetts law, the parties hereby waiving
their right, if any, to recover treble, exemplary or punitive type damages in
connection with any such Claims.

         7.8    This Agreement shall be binding upon and inure to the benefit of
Employer its subsidiaries and affiliates and any other person, association, or
entity which may hereafter acquire or succeed to all or a portion of the
business or assets of Employer by any means whether direct or indirect, by
purchase, merger, consolidation, or otherwise. Employee's rights and obligations
under this Agreement are personal and such rights, benefits, and obligations of
Employee shall not be voluntarily or involuntarily assigned, alienated, or
transferred, whether by operation of law or otherwise, by Employee without the
prior written consent of Employer.

         7.9    Except as provided in (1) written company policies promulgated
by Employer dealing with issues such as securities trading, business ethics,
governmental affairs and political contributions, consulting fees, commissions
and other payments, compliance with law, investments and outside business
interests as officers and employees, reporting responsibilities, administrative
compliance, and the like, (2) the written benefits, plans, and programs
referenced in Sections 2.2, 2.3 and 2.4, or (3) any signed written agreements
contemporaneously or hereafter executed by Employer and Employee, this Agreement
constitutes the entire agreement of the parties with regard to such subject
matters, and contains all of the covenants, promises, representations,
warranties, and agreements between the parties with respect to such subject
matters and replaces and merges previous agreements and discussions pertaining
to the employment relationship between Employer and Employee. Specifically, but
not by way of limitation, any other employment agreement or arrangement in
existence as of the date hereof between Employer or any of its subsidiaries or
affiliates and Employee is hereby canceled and Employee hereby irrevocably
waives and renounces all of Employee's rights and claims under any such
agreement or arrangement.






                                      - 12-




<PAGE>   13



         IN WITNESS WHEREOF, Employer and Employee have duly executed this
Agreement in multiple originals to be effective on the date first stated above.

                                         BGS Systems, Inc.





                                         By: ___________________________________
                                         Name:
                                         Title:




                                         _______________________________________
                                         Employee





                                     - 13 -





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