BINDVIEW DEVELOPMENT CORP
8-K, 2000-02-23
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                                  UNITED STATES
                       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): FEBRUARY 9, 2000



                        BINDVIEW DEVELOPMENT CORPORATION
               (Exact name of registrant as specified in charter)


<TABLE>
<S>                           <C>                            <C>
                                                                 76-0306721
        TEXAS                      000-24677                  (I.R.S. Employer
(State of Incorporation)      (Commission File No.)          Identification No.)


   5151 SAN FELIPE, 21ST FLOOR
          HOUSTON, TEXAS                                              77056
(Address of Principal Executive Offices)                            (Zip Code)
</TABLE>


       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (713) 561-4000


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ITEM 1. ACQUISITION OR DISPOSITION OF ASSETS

         On  February 9, 2000,  BindView  Development  Corporation  ("BindView")
acquired  all  of  the  outstanding   equity  interests  of  Entevo  Corporation
("Entevo")  in exchange for an aggregate of 2,090,417  shares of the  BindView's
common stock. BindView also assumed a warrant and stock options of Entevo, which
were  converted  into a warrant and options to purchase an  aggregate of 117,311
shares of BindView's common stock.

         On February 11, 2000,  BindView issued a press release  relating to the
acquisition of Entevo, a copy of which is attached as Exhibit 99.1

ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS

         (a) Financial Statements of Business Acquired

         Financial  statements  of  Entevo  for the  periods  specified  in Rule
3.05(b) of Regulation  S-X are not  currently  available to BindView and will be
filed by BindView by an amendment to this report as soon as  practicable  and in
any event not later than 60 days after this  Current  Report on Form 8-K must be
filed.

         (b) Pro Forma Financial Information.

         Pro forma  financial  information  required  pursuant  to Article 11 of
Regulation  S-X is not  currently  available  to  BindView  and will be filed by
BindView by an amendment to this report as soon as practicable  and in any event
not later than 60 days after this Current Report on Form 8-K must be filed.

         (c) Exhibits.

         2.1      Agreement of Merger, dated January 26, 2000, by and among
                  BindView Development Corporation, Bravo Acquisition
                  Corporation, Entevo Corporation and the Representing
                  Stockholders identified therein.

         99.1     Press Release

                                   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.

                                        BINDVIEW DEVELOPMENT CORPORATION



Dated:  February 22, 2000               By:    /s/ SCOTT R. PLANTOWSKY
                                           -------------------------------------
                                                 Scott R. Plantowsky,
                                                Chief Financial Officer

                                     Page 2
<PAGE>   3

                                 EXHIBIT INDEX

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

     2.1      Agreement of Merger, dated January 26, 2000, by and among
              BindView Development Corporation, Bravo Acquisition
              Corporation, Entevo Corporation and the Representing
              Stockholders identified therein.

     99.1     Press Release




<PAGE>   1
                                                                     EXHIBIT 2.1


                               AGREEMENT OF MERGER

                                  BY AND AMONG

                        BINDVIEW DEVELOPMENT CORPORATION,

                         BRAVO ACQUISITION CORPORATION,

                               ENTEVO CORPORATION

                                     AND THE

                            REPRESENTING STOCKHOLDERS

                                IDENTIFIED HEREIN











                             DATED JANUARY 26, 2000



<PAGE>   2

                                TABLE OF CONTENTS



<TABLE>
<S>                                                                                                              <C>
ARTICLE 1. Definitions............................................................................................1

ARTICLE 2. The Merger.............................................................................................9

   2.1. The Merger................................................................................................9

   2.2. Effective Time...........................................................................................10

   2.3. Conversion of Shares and Options.........................................................................10

   2.4. Cancellation of Treasury Stock...........................................................................13

   2.5. Closing of Entevo's Transfer Books.......................................................................13

   2.6. Adjustment of the Exchange Ratios........................................................................13

   2.7. Stockholder Approval; Dissenting Shares..................................................................13

   2.8. Exchange Procedures; Distributions with Respect to Unexchanged Shares; Stock Transfer Books..............14

   2.9. Return of Exchange Fund..................................................................................16

   2.10. No Further Ownership Rights in Entevo Stock.............................................................17

ARTICLE 3. Closing...............................................................................................17

ARTICLE 4. Representations and Warranties of Entevo and the Representing Stockholders............................17

   4.1. Organization and Good Standing...........................................................................17

   4.2. Authority; No Conflict...................................................................................18

   4.3. Capitalization...........................................................................................20

   4.4. Financial Statements.....................................................................................20

   4.5. Books and Records........................................................................................21

   4.6. Title to Properties; No Encumbrances.....................................................................21

   4.7. Condition and Sufficiency of Assets......................................................................22

   4.8. Accounts Receivable......................................................................................22

   4.9. No Undisclosed Liabilities...............................................................................22

   4.10. Taxes...................................................................................................23

   4.11. No Material Adverse Change..............................................................................23

   4.12. Employee Benefits.......................................................................................24

   4.13. Compliance with Legal Requirements; Governmental Authorizations.........................................27

   4.14. Legal Proceedings; Orders...............................................................................28

   4.15. Absence of Certain Changes and Events...................................................................29

   4.16. Contracts; No Defaults..................................................................................30
</TABLE>

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                                        i           BVEW/ENTEVO MERGER AGREEMENT
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<TABLE>
<S>                                                                                                             <C>
   4.17. Software................................................................................................31

   4.18. Insurance...............................................................................................34

   4.19. Employees...............................................................................................35

   4.20. Labor Relations; Compliance.............................................................................36

   4.21. Intellectual Property...................................................................................36

   4.22. Absence of Certain Payments and Transactions............................................................39

   4.23. Full Disclosure.........................................................................................39

   4.24. No Brokers or Finders...................................................................................39

   4.25. Year 2000 Compliance....................................................................................39

   4.26. Customers and Suppliers.................................................................................40

   4.27. Tax Matters.............................................................................................40

   4.28. Securities Law Matters..................................................................................40

   4.29. Relationships with Related Persons......................................................................40

ARTICLE 5. Representations and Warranties of BindView and BAC....................................................41

   5.1. Organization and Good Standing...........................................................................41

   5.2. Authority; No Conflict...................................................................................41

   5.3. Certain Proceedings......................................................................................42

   5.4. Brokers or Finders.......................................................................................42

   5.5. BindView Capitalization..................................................................................42

   5.6. BAC Capitalization.......................................................................................43

   5.7. BindView SEC Reports.....................................................................................43

   5.8. Litigation...............................................................................................43

   5.9. No Material Adverse Change...............................................................................44

   5.10. Tax Matters.............................................................................................44

   5.11. Pooling.................................................................................................44

ARTICLE 6. Covenants of Entevo and the representing stockholders.................................................44

   6.1. Operation of the Businesses of Entevo....................................................................44

   6.2. Negative Covenants.......................................................................................45

   6.3. Required Approvals.......................................................................................45

   6.4. Notification.............................................................................................45

   6.5. [Reserved]...............................................................................................46

   6.6. No Negotiation...........................................................................................46

   6.7. Best Efforts.............................................................................................46
</TABLE>


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                                        ii          BVEW/ENTEVO MERGER AGREEMENT
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<TABLE>
<S>                                                                                                             <C>
   6.8. Transaction Expenses.....................................................................................46

ARTICLE 7. Covenants of BindView and BAC.........................................................................46

   7.1. Pooling Treatment........................................................................................46

   7.2. Required Approvals.......................................................................................46

   7.3. Notification.............................................................................................47

   7.4. Best Efforts.............................................................................................47

   7.5. Stock Exchange Listing...................................................................................47

   7.6. Entevo Options; Entevo Warrants..........................................................................47

   7.7. Nontaxable Reorganization................................................................................48

   7.8. Indemnification of Entevo Officers and Director; Insurance...............................................49

ARTICLE 8. Conditions Precedent to ENTEVO'S Obligation to Close..................................................49

   8.1. Accuracy of Representations..............................................................................49

   8.2. BindView's and the BAC's Performance.....................................................................49

   8.3. Consents.................................................................................................49

   8.4. No Proceedings...........................................................................................49

   8.5. Closing Certificate......................................................................................50

   8.6. Indemnity Escrow Agreement...............................................................................50

   8.7. Registration Rights Agreement............................................................................50

   8.8. Opinion of counsel.......................................................................................50

   8.9. Tax Opinion..............................................................................................50

   8.10. No Material Adverse Change..............................................................................50

ARTICLE 9. Conditions Precedent to BindView's and BAC's Obligation to Close......................................50

   9.1. Accuracy of Representations..............................................................................51

   9.2. Entevo's and the Representing Stockholders' Performance..................................................51

   9.3. Consents.................................................................................................51

   9.4. No Proceedings...........................................................................................51

   9.5. No Claim Regarding Stock Ownership or Sale Proceeds......................................................51

   9.6. No Material Adverse Change...............................................................................52

   9.7. Closing Certificate......................................................................................52

   9.8. Pooling Matters..........................................................................................52

   9.9. Indemnity Escrow Agreement...............................................................................52

   9.10. [Reserved]..............................................................................................52

   9.11. Opinions of counsel.....................................................................................52
</TABLE>


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                                      iii           BVEW/ENTEVO MERGER AGREEMENT
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<TABLE>
<S>                                                                                                             <C>
   9.12. Tax Opinion.............................................................................................52

   9.13. Noncompete Agreements...................................................................................52

ARTICLE 10. Termination..........................................................................................53

   10.1. Termination Events......................................................................................53

   10.2. Effect of Termination...................................................................................53

ARTICLE 11. Indemnification; Remedies............................................................................54

   11.1. Survival; Right to Indemnification Not Affected by Knowledge............................................54

   11.2. Indemnification and Payment of Damages by the Stockholders..............................................54

   11.3. Indemnification and Payment of Damages by BindView and BAC..............................................55

   11.4. Time Limitations........................................................................................55

   11.5. Limitations on Amount - the Stockholders................................................................56

   11.6. Limitations on Amount - BindView and BAC................................................................56

   11.7. Indemnity Escrow........................................................................................57

   11.8. Procedure for Indemnification - Third Party Claims......................................................57

   11.9. Procedure for Indemnification - Other Claims............................................................58

   11.10. Special Procedure with Respect to Certain Claims.......................................................58

ARTICLE 12. General Provisions...................................................................................58

   12.1. Expenses................................................................................................58

   12.2. Public Announcements....................................................................................58

   12.3. Confidentiality.........................................................................................59

   12.4. Notices.................................................................................................59

   12.5. Resolution of Disputes..................................................................................61

   12.6. Further Assurances......................................................................................61

   12.7. Waiver..................................................................................................61

   12.8. Entire Agreement and Modification.......................................................................62

   12.9. Schedules...............................................................................................62

   12.10. Assignments, Successors and No Third-party Rights......................................................62

   12.11. Severability...........................................................................................62

   12.12. Section Headings, Construction.........................................................................62

   12.13. Time of Essence........................................................................................63

   12.14. Governing Law..........................................................................................63

   12.15. Counterparts...........................................................................................63
</TABLE>


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                                       iv           BVEW/ENTEVO MERGER AGREEMENT
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                               AGREEMENT OF MERGER

This Agreement of Merger (this "Agreement"), is made and entered into this 26th
day of January, 2000, by and among BINDVIEW DEVELOPMENT CORPORATION, a Texas
corporation ("BindView"), BRAVO ACQUISITION CORPORATION, a Delaware corporation
("BAC"), ENTEVO CORPORATION , a Delaware corporation ("Entevo"), and Amir Hudda
and Prashanth Viswanath (the "Representing Stockholders").

                              W I T N E S S E T H:

WHEREAS, BindView desires to acquire all of the capital stock, including all
securities convertible therefor, of Entevo in the manner provided in this
Agreement;

WHEREAS, BindView and Entevo believe that the Merger of BAC with and into
Entevo, in the manner provided by and subject to the terms and conditions set
forth in this Agreement and all exhibits, schedules and supplements hereto, is
desirable and in the best interests of their respective corporations and
stockholders;

WHEREAS, the Board of Directors of BindView and BAC and the shareholders of BAC
and Entevo have each approved the Contemplated Transactions, pursuant to the
terms and subject to the conditions of this Agreement, whereby BAC will be
merged with and into Entevo and the Stockholders will exchange their shares of
Entevo Stock for a certain number of shares of BindView Stock; and

WHEREAS, BindView, BAC, Entevo and the Representing Stockholders desire to make
certain representations, warranties and agreements in connection with the
Contemplated Transactions;

NOW, THEREFORE, in consideration of the mutual benefits to be derived and the
representations and warranties, conditions, covenants and promises herein
contained, and other good and valuable consideration the receipt and sufficiency
of which are hereby acknowledged, and intending to be legally bound hereby, the
parties hereto agree as follows:

                             ARTICLE 1. DEFINITIONS

For purposes of this Agreement, the following terms have the meanings specified
or referred to in this Article 1:

"ACCOUNTS RECEIVABLE" has the meaning given to that term in Section 4.8.

"APPLICABLE CONTRACT" means any Contract (i) under which Entevo or its
         Subsidiaries has or may acquire any rights, (ii) under which Entevo or
         its Subsidiaries has or may become subject to any obligation or
         liability or (iii) by which Entevo or its Subsidiaries or any of the
         Assets owned or used by any of them is or may become bound.

"ASSETS" means all assets and property, whether real, personal or mixed,
         tangible or intangible.

"BAC STOCK" means the common stock of BAC.

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                                        1           BVEW/ENTEVO MERGER AGREEMENT


<PAGE>   7

"BALANCE SHEETS" has the meaning given to that term in Section 4.4.

"BASKET" has the meaning set forth in Section 11.5.1.

"BEST EFFORTS" means the efforts that a prudent Person desirous of achieving a
         result would use in similar circumstances to ensure that such result
         is achieved as expeditiously as practicable.

"BINDVIEW CLOSING DOCUMENTS" has the meaning given to that term in Section
         5.2.1.

"BINDVIEW SEC REPORTS" has the meaning given to that term in Section 5.7.

"BINDVIEW STOCK" means the common stock of BindView, no par value per share.

"BREACH" means a "Breach" of a representation, warranty, covenant, obligation or
         other provision of this Agreement or any instrument delivered pursuant
         to this Agreement. A Breach will be deemed to have occurred if there is
         or has been any inaccuracy in or breach of, or any failure to perform
         or comply with, such representation, warranty, covenant, obligation or
         other provision.

"CLOSING" means the closing of the Merger.

"CLOSING DATE" means the date and time as of which the Closing actually takes
         place.

"COMPUTER PROGRAMS" has the meaning given to that term in Section 4.17.1.

"CONSENT" means any approval, consent, ratification, waiver or other
         authorization (including any Governmental Authorization).

"CONSIDERATION" has the meaning given to that term in Section 2.3.1.

"CONTEMPLATED TRANSACTIONS" means all of the transactions contemplated by this
         Agreement, including:

                  (i) the Merger;

                  (ii) the exchange by the Stockholders of their shares of
         Entevo Stock for shares of BindView Stock;

                  (iii) the conversion of all outstanding options to purchase
         Entevo Stock into options to purchase BindView Stock;

                  (iv) the execution and delivery of the Indemnity Escrow
         Agreement and the Registration Rights Agreement; and

                  (v) the performance by BindView, BAC, Entevo and the
         Representing Stockholders of their respective covenants and obligations
         under this Agreement.

"CONTRACT" means any agreement, contract, obligation, promise or undertaking
         (whether written or oral and whether express or implied) that is
         legally binding.


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                                        2           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   8

"COPYRIGHTS" has the meaning given to that term in Section 4.21.1.

"DAMAGES" has the same meaning as defined in Section 11.2.

"DEFINED BENEFIT PENSION PLAN" has the meaning given in ERISA Section 3(35).

"DISTRIBUTOR AGREEMENTS" has the meaning given to that term in Section 4.16.1.

"EFFECTIVE TIME" means the date and time when the Merger shall have become
         effective.

"EMPLOYEE PENSION BENEFIT PLAN" has the meaning set forth in ERISA Section 3(2).

"EMPLOYEE WELFARE BENEFIT PLAN" has the meaning set forth in ERISA Section 3(1).

"ENCUMBRANCE" means any charge, claim, community property interest, condition,
         equitable interest, lien, option, pledge, security interest, right of
         first refusal or restriction of any kind, including any restriction on
         use, voting, transfer, receipt of income or exercise of any other
         attribute of ownership.

"ENTEVO CLOSING DOCUMENTS" has the meaning given to that term in Section 4.2.1.

"ENTEVO COMMON STOCK" means the common stock of Entevo.

"ENTEVO INTELLECTUAL PROPERTY ASSETS" has the meaning given to that term in
         Section 4.21.1.

"ENTEVO OPTIONS" means any and all options, warrants or similar rights to
         acquire Entevo Stock, including by means of conversion (other than by
         conversion of the Entevo Preferred Stock).

"ENTEVO OTHER BENEFIT OBLIGATION" means an Other Benefit Obligation owed,
         adopted or followed by Entevo or an ERISA Affiliate.

"ENTEVO-OWNED SOFTWARE" has the meaning given to that term in Section 4.17.1.

"ENTEVO PLANS" means all Plans (i) of which Entevo or an ERISA Affiliate is or
         was a Plan Sponsor at any time within the six-year period preceding the
         date of this Agreement, (ii) to which Entevo or an ERISA Affiliate
         otherwise contributes or has contributed at any time within the
         six-year period preceding the date of this Agreement or (iii) in which
         Entevo or an ERISA Affiliate otherwise participates or has participated
         at any time within the six-year period preceding the date of this
         Agreement. All references to Plans are to Entevo Plans unless the
         context requires otherwise.

"ENTEVO PREFERRED STOCK" means the preferred stock (all classes) of Entevo.

"ENTEVO STOCK" means the Entevo Common Stock and the Entevo Preferred Stock.

"ENTEVO VEBA" means a VEBA whose members include employees of Entevo or any
         ERISA Affiliate.



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                                        3           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   9

"ERISA" means the Employee Retirement Income Security Act of 1974 or any
         successor law, and regulations and rules issued pursuant to such Act or
         any successor law.

"ERISA AFFILIATE" means, with respect to Entevo, any other Person that, together
         with Entevo, would be, or at anytime within the last six years was
         treated as a single employer under IRC Section 414 or ERISA Section
         4001.

"ESTIMATED TRANSACTION EXPENSES" has the meaning set forth in Section 6.8.

"EXCHANGE ACT" means the Securities Exchange Act of 1934, or any successor law,
         and regulations and rules issued pursuant to such act or any successor
         law.

"FACILITIES" means any real property currently owned or leased by Entevo and any
         buildings, structures or equipment, currently owned or leased by
         Entevo.

"FINANCIAL STATEMENTS" has the meaning set forth in Section 4.4.

"FOUR-DIGIT DATES" has the meaning given to that term in Section 4.17.4.

"GAAP" means generally accepted accounting principles consistently applied
         within the United States.

"GCLD" means the General Corporation Law of the State of Delaware, or any
         successor law.

"GOVERNMENTAL AUTHORIZATION" means any approval, consent, license, permit,
         waiver or other authorization issued, granted, given or otherwise made
         available by or under the authority of any Governmental Body or
         pursuant to any Legal Requirement.

"GOVERNMENTAL BODY" means any:

                  (i) nation, state, county, city, town, municipality or other
         jurisdiction of any nature;

                  (ii) federal, state, local, municipal, foreign or other
         government;

                  (iii) governmental authority of any nature (including any
         governmental agency, branch, department, official or entity and any
         court or other tribunal);

                  (iv) multi-national organization or body; or

                  (v) body exercising, or entitled to exercise, any
         administrative, executive, judicial, legislative, police, regulatory or
         taxing authority or power of any nature.

"INDEMNIFIED PERSONS" has the same meaning as defined in Section 11.2.

"INDEMNITY ESCROW AGENT" means ChaseMellon Shareholder Services LLC or any
         successor appointed pursuant to and in accordance with the Indemnity
         Escrow Agreement.

"INDEMNITY ESCROW AGREEMENT" means that certain agreement in the form of Exhibit
         B dated as of the Closing Date, by and among BindView, the Representing
         Stockholders and the Indemnity Escrow Agent.



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                                        4           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   10

"IRC" means the Internal Revenue Code of 1986 or any successor law, and
         regulations issued by the IRS pursuant to the Internal Revenue Code or
         any successor law.

"IRS" means the United States Internal Revenue Service or any successor agency,
         and, to the extent relevant, the United States Department of the
         Treasury.

"KNOWLEDGE" means an individual will be deemed to have "Knowledge" of a
         particular fact or other matter if:

                  (i) such individual is actually aware of such fact or other
         matter; or

                  (ii) a prudent individual, holding the same position as the
         individual deemed to have knowledge, could be expected to discover such
         fact or other matter in the course of reasonable performance of the
         duties of that position.

         A Person (other than an individual) will be deemed to have "Knowledge"
         of a particular fact or other matter if any individual who is serving,
         or who has at any time served, as a director, officer, partner,
         executor or trustee of such Person (or in any similar capacity) has, or
         at any time had, Knowledge of such fact or other matter. For purposes
         of this definition, the "officers" of BindView and BAC are Richard
         Gardner and Scott R. Plantowsky, the "officers" of Entevo are the
         Representing Stockholders.

"LATEST BALANCE SHEET" has the meaning given to that term in Section 4.4.

"LEGAL REQUIREMENT" means any federal, state, local, municipal, foreign,
         international, multinational or other administrative order,
         constitution, law, ordinance, principle of common law, regulation,
         statute or treaty.

"MARKS" has the meaning given to that term in Section 4.21.1.

"MATERIAL ADVERSE EFFECT" means any change in or effect on the referenced entity
         that is or is reasonably expected to be materially adverse to any of
         the financial condition, results of operations, businesses, assets or
         liabilities of such entity, it being understood that none of the
         following shall be deemed by itself or by themselves, either alone or
         in combination with any other change or effect, to constitute a
         Material Adverse Effect: (a) conditions affecting the enterprise
         computer software industry as a whole, (b) conditions affecting the
         United States economy or the world economy as a whole or (c) with
         respect to Entevo, any action or event permitted in Article VI hereof,
         or the results of any action taken or not taken after the date hereof
         and on or before the Closing Date after consultation with and with the
         prior approval of BindView.

"MATERIAL CONTRACTS" has the meaning given to that term in Section 4.16.

"MERGER" has the meaning as defined in Section 2.1.1.

"MULTIEMPLOYER PLAN" has the meaning set forth in ERISA Section 3(37).

"NASDAQ" means the Nasdaq National Market.



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                                        5           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   11

"OFF-THE-SHELF SOFTWARE" has the meaning given to that term in Section 4.17.1.

"ORDER" means any award, decision, injunction, judgment, order, ruling, subpoena
         or verdict entered, issued, made or rendered by any court,
         administrative agency or other Governmental Body or by any arbitrator.

"ORDINARY COURSE OF BUSINESS" means an action taken by a Person will be deemed
         to have been taken in the "Ordinary Course of Business" only if:

                  (i) such action is consistent with the past practices of such
         Person and is taken in the ordinary course of the normal day-to-day
         operations of such Person; and

                  (ii) such action is not required to be authorized by the board
         of directors of such Person (or by any Person or group of Persons
         exercising similar authority); and

                  (iii) such action is similar in nature and magnitude to
         actions customarily taken, without any authorization by the board of
         directors (or by any Person or group of Persons exercising similar
         authority), in the ordinary course of the normal day-to-day operations
         of other Persons that are in the same line of business as such Person.

"ORGANIZATIONAL DOCUMENTS" means (i) the articles or certificate of
         incorporation and the bylaws of a corporation, (ii) the partnership
         agreement and any statement of partnership of a general partnership,
         (iii) the limited partnership agreement and the certificate of limited
         partnership of a limited partnership, (iv) the certificate of formation
         and the operating or members' agreement (or their substantial
         equivalents) of a limited liability company, (v) any charter or similar
         document adopted or filed in connection with the creation, formation or
         organization of a Person and (vi) any amendment to any of the
         foregoing.

"OTHER BENEFIT OBLIGATIONS" means all obligations, arrangements or customary
         practices to provide benefits, other than salary, as compensation for
         services rendered, to present or former directors, employees or agents,
         other than obligations, arrangements and practices that are Plans.
         Other Benefit Obligations include cafeteria plans within the meaning of
         IRC Section 125, stock option plans, restricted stock plans, consulting
         agreements under which the compensation paid does not depend upon the
         amount of service rendered, sabbatical policies, severance payment
         policies and fringe benefits within the meaning of IRC Section 132.

"PATENTS" has the meaning given to that term in Section 4.21.1.

"PBGC" means the Pension Benefit Guaranty Corporation, or any successor thereto.

"PERSON" means any individual, corporation (including any non-profit
         corporation), general or limited partnership, limited liability
         company, joint venture, estate, trust, association, organization, labor
         union or other entity or Governmental Body.

"PENSION PLAN" has the meaning given in ERISA Section 3(2)(A).

"PLAN" has the meaning given in ERISA Section 3(3).



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                                        6           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   12

"PLAN SPONSOR" has the meaning given in ERISA Section 3(16)(B).

"PROCEEDING" means any action, arbitration, audit, hearing, investigation,
         litigation or suit (whether civil, criminal, administrative,
         investigative or informal) commenced, brought, conducted or heard by or
         before, or otherwise involving, any Governmental Body or arbitrator.

"QUALIFIED PLAN" means any Plan that meets or purports to meet the requirements
         of IRC Section 401(a).

"RELATED PERSON" with respect to a particular individual means:

                  (i) each other member of such individual's Family (as defined
         below);

                  (ii) any Person that is directly or indirectly controlled by
         such individual or one or more members of such individual's Family;

                  (iii) any Person in which such individual or members of such
         individual's Family hold (individually or in the aggregate) a Material
         Interest (as defined below); and

                  (iv) any Person with respect to which such individual or one
         or more members of such individual's Family serves as a director,
         officer, partner, executor or trustee (or in a similar capacity).

With respect to a specified Person other than an individual means:

                  (a) any Person that directly or indirectly controls, is
         directly or indirectly controlled by, or is directly or indirectly
         under common control with such specified Person;

                  (b) any Person that holds a Material Interest in such
         specified Person;

                  (c) each Person that serves as a director, officer, partner,
         executor or trustee of such specified Person (or in a similar
         capacity);

                  (d) any Person in which such specified Person holds a Material
         Interest;

                  (e) any Person which is a limited partnership with respect to
         which such specified Person serves as a general partner (or in a
         similar capacity); and

                  (f) any Related Person of any individual described in clause
         (vi) or (vii).

         For purposes of this definition, (A) the "FAMILY" of an individual
         includes (1) the individual, (2) the individual's spouse and any former
         spouses, (3) any other natural person who is related to the individual
         or the individual's spouse within the second degree and (4) any other
         natural person who resides with such individual, and (B) "MATERIAL
         INTEREST" means direct or indirect beneficial ownership (as defined in
         Rule 13d-3 under the Exchange Act) of voting securities or other voting
         interests representing at least 10% of the outstanding voting power of
         a Person or equity securities or other equity interests representing at
         least 10% of the outstanding equity securities or equity interests in a
         Person.



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                                        7           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   13

"REPRESENTATIVE" with respect to a particular Person, means any director,
         officer, employee, agent, consultant, advisor or other representative
         of such Person, including legal counsel, accountants and financial
         advisors.

"SEC" shall mean the Securities and Exchange Commission.

"SECURITIES ACT" means the Securities Act of 1933, or any successor law, and
         regulations and rules issued pursuant to such act or any successor law.

"SECURITIES LAWS" mean, collectively, the Securities Act and the Exchange Act.

"SECURITYHOLDERS" means those Persons listed on Exhibit A hereto, which compose
         all holders of Entevo Stock and Entevo Options.

"STOCKHOLDERS' REPRESENTATIVE" means the Person appointed as such by the
         Stockholders on or prior to the date hereof and identified as such in
         Section 12.4, and who is not a competitor of BindView, the Surviving
         Corporation or any Related Person thereof, or an employee of any such
         competitor.

"STOCKHOLDERS" means the holders of all of the Entevo Stock.

"SUBSIDIARY" with respect to any Person (the "OWNER"), means any corporation or
         other Person of which securities or other interests having the power to
         elect a majority of Person's board of directors or similar governing
         body, or otherwise having the power to direct the business and policies
         of that corporation or other Person (other than securities or other
         interests having such power only upon the happening of a contingency
         that has not occurred) are held by the Owner or one or more of its
         Subsidiaries.

"SURVIVING CORPORATION" has the meaning as defined in Section 2.1.1.

"TAX" and "TAXES" mean any and all federal, state, local and foreign income,
         profits, secondary, capital duties, franchise, sales, value added, use,
         employment, payroll, transfer, occupation, real property, personal
         property, severance, production, excise, gross receipts, license,
         stamp, premium, customs, duties, capital stock, windfall profit,
         environmental, withholding, social security (or similar), unemployment,
         disability, registration, alternative or add-on minimum, estimated or
         other taxes, assessments or duties of any kind whatsoever imposed by
         any Governmental Body, together with any interest thereon, any
         penalties, additions to tax or additional amounts with respect thereto
         and any interest in respect of such penalties, additions or additional
         amounts.

"TAX RETURN" means any return (including any information return), report,
         statement, schedule, notice, form or other document or information
         filed with or submitted to, or required to be filed with or submitted
         to, any Governmental Body in connection with the determination,
         assessment, collection or payment of any Tax or in connection with the
         administration, implementation or enforcement of or compliance with any
         Legal Requirement relating to any Tax.

"THIRD-PARTY LICENSED SOFTWARE" has the meaning given to that term in Section
         4.17.1.



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                                        8           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   14

"THREATENED" means a claim, Proceeding, dispute, action or other matter will be
         deemed to have been "Threatened" if any demand or statement has been
         made (orally or in writing) or any notice has been given (orally or in
         writing).

"TITLE IV PLANS" means all Pension Plans that are subject to Title IV of ERISA,
         29 U.S.C. Section 1301 et seq., other than Multiemployer Plans.

"TRADE SECRETS" has the meaning given to that term in Section 4.21.1.

"TRANSACTION EXPENSES" mean fees and expenses paid or incurred by Entevo in
         connection with the negotiation, preparation, execution and performance
         of this Agreement and the Contemplated Transactions to agents,
         representatives, investment advisors, counsel and accountants or in
         connection with any related opinion (specifically excluding normal
         compensation and normal expenses of employees of Entevo in the Ordinary
         Course of Business). Transaction Expenses includes any employee bonuses
         not disclosed in the Schedules as of the date hereof or the salary
         component of severance payments relating to the Contemplated
         Transactions or resulting from a "change in control" of Entevo.

"VEBA" means a voluntary employees' beneficiary association under IRC Section
         501(c)(9).

"WELFARE PLAN" has the meaning given in ERISA Section 3(1).

                             ARTICLE 2. THE MERGER

2.1. THE MERGER.

2.1.1.   Upon the terms and subject to the conditions of this Agreement, BAC
         shall be merged with and into Entevo in accordance with the GCLD (the
         "Merger"). Entevo shall be the surviving corporation in the Merger (the
         "Surviving Corporation"). The Surviving Corporation shall have the name
         "Entevo Corporation", continue its corporate existence under and be
         organized under and be governed by the GCLD and possess all the rights
         and Assets of Entevo and BAC and be subject to all of the liabilities
         and obligations of both of them in accordance with the provisions of
         the GCLD.

2.1.2.   The Certificate of Incorporation and the Bylaws of BAC, as in effect
         immediately prior to the Effective Time, shall be the Certificate of
         Incorporation and Bylaws, respectively, of the Surviving Corporation
         until thereafter amended.

2.1.3.   The authorized and issued capital stock of the Surviving Corporation
         shall consist of 1,000 shares of common stock, par value $.01 per
         share.

2.1.4.   The directors and officers of BAC immediately prior to the Effective
         Time shall be the directors and officers of the Surviving Corporation
         and will hold office from the Effective Time until their respective
         successors are duly elected or appointed and qualified in the manner
         provided in the Bylaws of the Surviving Corporation or as otherwise
         provided by law.



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                                        9           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   15

2.1.5.   The Merger shall have the effects set forth in the GCLD. If at any time
         after the Effective Time, the Surviving Corporation shall consider or
         be advised that any further assignments or assurances in law or
         otherwise are necessary or desirable to vest, perfect or confirm, of
         record or otherwise, in the Surviving Corporation, all rights, title
         and interests in all real estate and other property and all privileges,
         powers and franchises of Entevo and BAC, the Surviving Corporation and
         its proper officers and directors, in the name and on behalf of Entevo
         and BAC, shall be empowered and authorized to execute and deliver all
         such proper deeds, assignments and assurances in law and do all things
         necessary and proper to vest, perfect or confirm title to such property
         or rights in the Surviving Corporation, and the proper officers and
         directors of the Surviving Corporation are fully authorized in the name
         of Entevo or otherwise to take any and all such action.

2.2. EFFECTIVE TIME.

The Merger shall be effective when a properly executed copy of a Certificate of
Merger shall have been duly filed with the Secretary of State of the State of
Delaware in accordance with the provisions of the GCLD, which filing shall be
made as soon as practicable on or after the Closing.

2.3. CONVERSION OF SHARES AND OPTIONS.

Subject to the provisions of Sections 2.6 and 2.3.3, each share of Entevo Stock
issued and outstanding immediately prior to the Effective Time (other than
Dissenting Shares) shall be converted into a fraction of a share of BindView
Stock, determined as follows:

                  (a)      At the Effective Time, a number of shares equal to
                           the "Aggregate Share Consideration" shall be
                           determined by dividing $125 million by the "Base
                           Price", as defined below, provided that if the
                           Aggregate Consideration, as so determined, multiplied
                           by the "Closing Price", as defined below (the "Offer
                           Value") is:

                           (i)      less than $85 million, the Aggregate Share
                                    Consideration shall instead be equal to $100
                                    million divided by 0.68 times the Base
                                    Price;

                           (ii)     from $85 million to (but not including) $100
                                    million, the Aggregate Share Consideration
                                    shall instead be equal to $100 million
                                    divided by the Closing Price;

                           (iii)    from $100 million to (and including) $150
                                    million the Aggregate Share Consideration
                                    shall not be adjusted pursuant to this
                                    subparagraph (a);

                           (iv)     from $150 million to (but not including)
                                    $172.5 million, the Aggregate Share
                                    Consideration shall instead be equal to $150
                                    million divided by the Closing Price; and

                           (v)      equal to or greater than $172.5 million, the
                                    Aggregate Share Consideration shall instead
                                    be equal to $150 million divided by 1.38
                                    times the Base Price.



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                                       10           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   16

         For purposes of this subparagraph (a), Base Price equals $56.62 and
Closing Price equals the average closing sale price of a share of BindView Stock
on the NASDAQ National Market for the ten trading days ending two complete
trading days prior to the Effective Time.

         Notwithstanding any other provision herein, BindView will not be
required to issue more shares of BindView Stock at the Effective Time than the
Aggregate Share Consideration.

                  (b)      The Aggregate Share Consideration shall be subject to
                           further downward adjustment to reflect the number of
                           shares of Entevo Stock outstanding at the Effective
                           Time as follows:

                           (i)      If any shares of Entevo Preferred Stock are
                                    outstanding at the Effective Time:

                                    (A)      at the Effective Time, the
                                             Aggregate Share Consideration as
                                             determined above shall be
                                             multiplied by a dollar value equal
                                             to the assumed value of a share of
                                             BindView Stock ("Assumed Value") as
                                             determined pursuant to Article VI,
                                             Section 2(d) of the First Amended
                                             and Restated Certificate of
                                             Incorporation of Entevo (the
                                             "Entevo Certificate") (such total
                                             amount being referred to herein as
                                             the "Aggregate Value");

                                    (B)      the Aggregate Value shall be
                                             allocated (solely for purposes of
                                             calculation) among (x) the
                                             outstanding shares of Entevo Stock
                                             and (y) the outstanding Entevo
                                             Options (assuming for this purpose
                                             that all Entevo Options are treated
                                             as outstanding Entevo Stock,
                                             determined using the treasury stock
                                             method) in accordance with Article
                                             VI, Section 2 of the Entevo
                                             Certificate; and

                                    (C)      after allocating among the
                                             outstanding shares of Entevo Stock
                                             and Entevo Options as provided
                                             above, the portion of the Aggregate
                                             Value attributable to outstanding
                                             Entevo Stock shall be divided by
                                             the Assumed Value, and the
                                             resulting amount of shares of
                                             BindView Stock shall be the
                                             "Adjusted Aggregate Share
                                             Consideration."

                                                     OR

                           (ii)     If no shares of Entevo Preferred Stock are
                                    outstanding at the Effective Time:

                                    (A)      to the total number of shares of
                                             Entevo Stock (on a common
                                             stock-equivalent, as converted,
                                             basis) outstanding at the Effective
                                             Time shall be added the number of
                                             shares issuable under outstanding
                                             Entevo Options (calculated using
                                             the treasury stock method) ("Entevo
                                             Option Equivalents") and such
                                             adjusted total is referred to
                                             herein as the "Adjusted Outstanding
                                             Entevo Shares"; and

                                    (B)      the Aggregate Share Consideration
                                             shall be proportionately reduced by
                                             multiplying the Aggregate Share
                                             Consideration by



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                                       11           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   17

                                             a fraction, the numerator of
                                             which is the Aggregate Outstanding
                                             Entevo Shares minus the Entevo
                                             Option Equivalents and the
                                             denominator of which is the
                                             Adjusted Outstanding Entevo Shares,
                                             and the product of such calculation
                                             shall be the "Adjusted Aggregate
                                             Share Consideration."

                  (c)      The Adjusted Aggregate Share Consideration shall be
                           divided among the classes of outstanding Entevo Stock
                           at the Effective Time as follows:

                           (i)      if any shares of Entevo Preferred Stock are
                                    outstanding at the Effective Time, each
                                    holder of a share of Entevo Stock shall
                                    receive a fraction of a share of BindView
                                    Stock determined in accordance with Article
                                    VI, Section 2 of the Entevo Certificate,
                                    treating the Merger as a "Liquidation" for
                                    purposes thereof; and

                           (ii)     if no shares of Entevo Preferred Stock are
                                    outstanding at the Effective Time, each
                                    holder of a share of Entevo Common Stock
                                    shall receive a fraction of a share of
                                    BindView Stock equal to the Adjusted
                                    Aggregate Share Consideration divided by the
                                    total number of shares of Entevo Common
                                    Stock outstanding at the Effective Time;

         The fraction of a share of BindView Stock that is received by each
         holder of Entevo Common Stock in accordance with the above description
         is referred to herein as the "Common Stock Exchange Ratio."

2.3.1.   Before the Effective Time, and for the purposes of collateralizing
         potential indemnification claims, the Stockholders' Representative (on
         behalf of the holders of Entevo Stock), BindView and the Indemnity
         Escrow Agent shall execute and deliver the Indemnity Escrow Agreement,
         and BindView shall deposit into an escrow account, pursuant to and
         subject to the Indemnity Escrow Agreement, the number of shares
         represented in Exhibit A of the shares of BindView Stock to be
         delivered to each Stockholder pursuant to the Merger.

2.3.2.   No fractional shares of BindView Stock shall be issued to any
         Stockholder in the Merger. To the extent the application of the
         exchange calculation set forth in Exhibit A to the shares of Entevo
         Stock held by a Stockholder would result in a fractional number of
         shares of BindView Stock being issued to the Stockholder, the number of
         shares of BindView Stock issuable to the Stockholder with respect to
         all such shares in the Merger shall be rounded up to the next whole
         number of shares of BindView Stock.

2.3.3.   Each share of BAC Stock outstanding immediately prior to the Effective
         Time shall be converted into one share of stock in the Surviving
         Corporation.

2.3.4.   As of and after the Effective Time, no holder of any certificate or
         option grant that, immediately prior to the Effective Time, represented
         shares of Entevo Stock or Entevo Options shall have any rights as a
         holder of Entevo Stock or Entevo Options, other than



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                                       12           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   18

         to receive the Consideration payable with respect to such shares or
         options under Section 2.3.1.

2.4. CANCELLATION OF TREASURY STOCK.

At the Effective Time, all shares of Entevo Stock that are owned directly or
indirectly by Entevo shall be canceled without any consideration being payable
therefor.

2.5. CLOSING OF ENTEVO'S TRANSFER BOOKS.

At Closing, the share transfer books of Entevo shall be closed and no transfers
of shares of Entevo Stock shall be made thereafter.

2.6. ADJUSTMENT OF THE EXCHANGE RATIOS.

In the event that, prior to the Effective Time, any stock split, combination,
reclassification or stock dividend with respect to the BindView Stock, any
change or conversion of BindView Stock into other securities or any other
dividend or distribution with respect to the BindView Stock (other than regular
quarterly dividends) should occur or, if a record date with respect to any of
the foregoing should occur, appropriate and proportionate adjustments shall be
made to the Exchange Ratio, and thereafter all references to the Exchange Ratio
shall be deemed to be to such Exchange Ratio as so adjusted.

2.7. STOCKHOLDER APPROVAL; DISSENTING SHARES.

         (a)      The Stockholders holding shares of Entevo Stock constituting
                  the required voting power to approve the Merger and take the
                  other actions contemplated hereby, by execution of a written
                  consent in lieu of a meeting pursuant to Section 228 of the
                  GCLD, have on or prior to the date hereof (i) approved this
                  Agreement, the Merger, the Indemnity Escrow Agreement, the
                  Registration Rights Agreement and all other transactions
                  contemplated hereby and appointed A.G.W. Biddle III as
                  Stockholder Representative, (ii) acknowledged that the
                  approval given thereby is irrevocable and that such
                  Stockholder is aware of its rights to dissent pursuant to
                  Section 262 of the GCLD, a copy of which was attached thereto,
                  and that such Stockholder has received and read a copy of
                  Section 262 of the GCLD, and (iii) acknowledged that by its
                  approval of the Merger it is not entitled to any right to
                  dissent from the Merger and thereby waives any rights to
                  receive payment of the fair value of its Entevo Stock under
                  the GCLD.

         (b)      Entevo shall, within five days following the date of this
                  Agreement, give prompt notice of the taking of the actions
                  described in Section 2.7(a) to all Stockholders not executing
                  the written consent described therein, together (i) with a
                  description of the appraisal rights of Stockholders available
                  under Section 262 of the GCLD, (ii) such information
                  concerning BindView, the Merger, this Agreement, the Indemnity
                  Escrow Agreement, the Registration Rights Agreement and all
                  other transactions contemplated hereby as BindView shall have
                  previously approved and (iii) a copy of a Private Placement
                  Memorandum in the form of Exhibit G hereto.



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                                       13           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   19

         (c)      Notwithstanding any provision of this Agreement to the
                  contrary, shares of Entevo Stock that are outstanding
                  immediately prior to the Effective Time and which are held by
                  stockholders ("Dissenting Stockholders") who shall not have
                  consented to the Merger in writing and who shall have demanded
                  properly in writing appraisal for such shares in accordance
                  with Section 262 of the GCLD (collectively, the "Dissenting
                  Shares") shall not be converted into or represent the right to
                  receive the consideration set forth in Section 2.3. Such
                  stockholders shall be entitled to receive such consideration
                  as is determined to be due with respect to such Dissenting
                  Shares in accordance with the provisions of Section 262,
                  except that all Dissenting Shares held by stockholders who
                  shall have failed to perfect or who effectively shall have
                  withdrawn or lost their rights to appraisal of such shares
                  under Section 262 shall thereupon be deemed to have been
                  converted into and to have become exchangeable for, as of the
                  Effective Time, the right to receive the shares of BindView
                  Stock specified in Section 2.3, without any interest thereon,
                  upon surrender, in the manner provided in Section 2.8, of the
                  certificate or certificates that formerly evidenced by such
                  Dissenting Shares less the number of shares of BindView Stock
                  allocable to such stockholder that have been deposited in the
                  Escrow Fund in respect of Entevo Stock pursuant to Sections
                  2.8(b) and 11.5.

         (d)      Entevo shall give BindView (i) prompt notice of any demands
                  for appraisal received by Entevo, withdrawals of such demands,
                  and any other instruments served pursuant to the GCLD and
                  received by Entevo and (ii) the opportunity to direct all
                  negotiations and proceedings with respect to demands for
                  appraisal under the GCLD. Entevo shall not, except with the
                  prior written consent of BindView, make any payment with
                  respect to any demands for appraisal or offer to settle or
                  settle any such demands.

2.8. EXCHANGE PROCEDURES; DISTRIBUTIONS WITH RESPECT TO UNEXCHANGED SHARES;
STOCK TRANSFER BOOKS.

         (a)      As of the Effective Time, BindView shall deposit with the
                  ChaseMellon Shareholder Services LLC, as exchange agent (the
                  "Exchange Agent"), for the benefit of the holders of shares of
                  Entevo Stock, certificates representing shares of the BindView
                  Stock to be issued pursuant to Section 2.5 in exchange for the
                  shares of Entevo Stock less the number of shares of BindView
                  Stock to be deposited in the Escrow Fund pursuant to Section
                  11.5. (Such shares of BindView Stock, together with any
                  dividends or distributions with respect thereto pursuant to
                  Sections 2.8(c) and 2.9, are referred to herein as the
                  "Exchange Fund").

         (b)      As soon as practicable after the Effective Time, BindView
                  shall use its reasonable efforts to cause the Exchange Agent
                  to send to each Person who was, at the Effective Time, a
                  holder of record of certificates which represented outstanding
                  Entevo Stock (the "Certificates") which shares were converted
                  into the right to receive BindView Stock pursuant to Section
                  2.5, a letter of transmittal which (i) shall specify that
                  delivery shall be effected and risk of loss and title to such



- --------------------------------------------------------------------------------
                                       14           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   20

                  Certificates shall pass, only upon actual delivery thereof to
                  the Exchange Agent and (ii) shall contain instructions for use
                  in effecting the surrender of the Certificates. Upon surrender
                  to the Exchange Agent of Certificates for cancellation,
                  together with such letter of transmittal duly executed, such
                  holder shall be entitled to receive in exchange therefor (A) a
                  certificate representing the number of whole shares of
                  BindView Stock into which the Entevo Stock represented by the
                  surrendered Certificate shall have been converted at the
                  Effective Time less such holder's pro rata portion of the
                  number of shares of BindView Stock to be deposited in the
                  Escrow Fund on such holder's behalf pursuant to Section 11.5
                  and (B) certain dividends and distributions in accordance with
                  Section 2.8(c), and the Certificates so surrendered shall then
                  be canceled. Subject to Section 2.8(c) and Section 2.9, until
                  surrendered as contemplated by this Section 2.8(b), each
                  Certificate, from and after the Effective Time, shall be
                  deemed to represent only the right to receive, upon such
                  surrender, the number of shares of BindView Stock into which
                  such Entevo Stock shall have been converted. As soon as
                  practicable after the Effective Time, and subject to and in
                  accordance with the provisions of Section 11.5, BindView shall
                  cause to be distributed to the Escrow Agent certificates
                  representing 9.9% of the aggregate number of shares of
                  BindView Stock issued in the Merger (less any shares of
                  BindView Stock issued in respect of Entevo Stock that is
                  subject to contractual forfeiture or vesting provisions
                  between the Stockholder and Entevo that will survive the
                  Closing) which shall be registered in the name of the Escrow
                  Agent as nominee for the holders of Certificates canceled
                  pursuant to this Section 2.8. Such shares shall be
                  beneficially owned by such holders, shall be held in escrow
                  and shall be available to settle certain contingencies as
                  provided in Section 11.2. To the extent not used for such
                  purpose, such shares shall be released, as provided in the
                  Indemnity Escrow Agreement.

         (c)      No dividends or other distribution declared or made after the
                  Effective Time with respect to the BindView Stock with a
                  record date after the Effective Time shall be paid to any
                  holder entitled by reason of the Merger to receive
                  certificates representing BindView Stock until such holder
                  shall have surrendered its Certificates pursuant to this
                  Section 2.8. Subject to applicable law, following surrender of
                  any such Certificate, such holder shall be paid, in each case,
                  without interest, (i) the amount of any dividends or other
                  distributions theretofore paid with respect to the shares of
                  BindView Stock represented by the certificate received by such
                  holder and having a record date on or after the Effective Time
                  and a payment date prior to such surrender and (ii) at the
                  appropriate payment date or as promptly as practicable
                  thereafter, the amount of any dividends or other distributions
                  payable with respect to such shares of BindView Stock and
                  having a record date on or after the Effective Time but prior
                  to such surrender and a payment date on or after such
                  surrender.

         (d)      If any certificate representing shares of BindView Stock or
                  any cash is to be issued or paid to any Person other than the
                  registered holder of the Certificate surrendered in exchange
                  therefor, it shall be a condition to such exchange that such
                  surrendered Certificate shall be properly endorsed and
                  otherwise in proper



- --------------------------------------------------------------------------------
                                       15           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   21

                  form for transfer and such Person either (i) shall pay to the
                  Exchange Agent any transfer or other taxes required as a
                  result of the issuance of such certificates of BindView Stock
                  and the distribution of such cash payment to such Person or
                  (ii) shall establish to the satisfaction of the Exchange Agent
                  that such tax has been paid or is not applicable. BindView or
                  the Exchange Agent shall be entitled to deduct and withhold
                  from the consideration otherwise payable pursuant to this
                  Agreement to any holder of shares of Entevo Stock such amounts
                  as BindView or the Exchange Agent is required to deduct and
                  withhold with respect to the making of such payment under the
                  IRC, or any provision of state, local or foreign tax law. To
                  the extent that amounts are so withheld by BindView or the
                  Exchange Agent, such withheld amounts shall be treated for all
                  purposes of this Agreement as having been paid to the holder
                  of the shares of Entevo Stock in respect of which such
                  deduction and withholding was made by BindView or the Exchange
                  Agent. All amounts in respect of taxes received or withheld by
                  BindView shall be disposed of by BindView in accordance with
                  the IRC or such state, local or foreign tax law, as
                  applicable.

         (e)      If any Certificate shall have been lost, stolen or destroyed,
                  upon the making of an affidavit of that fact by the Person
                  claiming such Certificate to be lost, stolen or destroyed and
                  subject to such other conditions as the Board of Directors of
                  the Surviving Corporation may impose, the Surviving
                  Corporation shall issue in exchange for such lost, stolen or
                  destroyed Certificate the shares of BindView Stock as
                  determined under Section 2.5 and pay any cash, dividends and
                  distributions as determined in accordance with Section 2.8(c)
                  in respect of such Certificate. When authorizing such issue of
                  shares of BindView Stock (and payment of any such cash,
                  dividends and distribution) in exchange for such Certificate,
                  the Board of Directors of the Surviving Corporation (or any
                  authorized officer thereof) may, in its reasonable discretion
                  and as a condition precedent to the issuance thereof, require
                  the owner of such lost, stolen or destroyed Certificate to
                  give the Surviving Corporation a bond in such sum as the Board
                  of Directors may direct as indemnity against any claim that
                  may be made against the Surviving Corporation with respect to
                  the Certificate alleged to have been lost, stolen or
                  destroyed.

         (f)      At the close of business on the day on which the Effective
                  Time occurs, the stock transfer books of Entevo shall be
                  closed and thereafter there shall be no further registration
                  of transfers of shares of Entevo Stock on the records of
                  Entevo. From and after the Effective Time, the holders of
                  shares of Entevo Stock outstanding immediately prior to the
                  Effective Time shall cease to have any rights with respect to
                  such shares except as otherwise provided herein or by
                  applicable law.

2.9. RETURN OF EXCHANGE FUND.

Any portion of the Exchange Fund which remains undistributed to the former
holders of Entevo Stock for six months after the Effective Time shall be
delivered to BindView, upon its request, and any such former holders who have
not theretofore surrendered to the Exchange Agent their Certificates in
compliance herewith shall thereafter look only to BindView for payment of their



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                                       16           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   22

claim for shares of BindView Stock, any cash in lieu of fractional shares of
BindView Stock and any dividends or distributions with respect to such shares of
BindView Stock. Neither BindView nor Entevo shall be liable to any former holder
of Entevo Stock for any such shares of BindView Stock held in the Exchange Fund
(and any cash, dividends and distributions payable in respect thereof) which is
delivered to a public official pursuant to an official request under any
applicable abandoned property, escheat or similar law.

2.10. NO FURTHER OWNERSHIP RIGHTS IN ENTEVO STOCK.

All certificates representing shares of BindView Stock delivered upon the
surrender for exchange of any Certificate in accordance with the terms hereof
(including any cash paid pursuant to Section 2.8 or Section 2.9) shall be deemed
to have been delivered (and paid) in full satisfaction of all rights pertaining
to the Entevo Stock previously represented by such Certificate.

                               ARTICLE 3. CLOSING

Subject to the satisfaction of the conditions set forth in Articles 8 and 9, the
Closing provided for in this Agreement will take place at the offices of
Fulbright & Jaworski L.L.P., 1301 McKinney, Suite 5100, Houston, Texas 77010, at
10:00 a.m. (local time) on March 1, 2000, or on such earlier date as BindView
shall elect and notify Entevo, or at such other time and place as the parties
may agree. Subject to the provisions of Article 10, failure to consummate the
Closing on such date and time and at such place will not terminate this
Agreement and will not relieve any party of any obligation under this Agreement.

           ARTICLE 4. REPRESENTATIONS AND WARRANTIES OF ENTEVO AND THE
                            REPRESENTING STOCKHOLDERS

Entevo and the Representing Stockholders represent and warrant to each of
BindView and BAC as follows (subject to such exceptions as are expressly stated
on the Schedules hereto):

4.1. ORGANIZATION AND GOOD STANDING.

4.1.1.   Entevo is a corporation duly organized, validly existing and in good
         standing under the laws of the State of Delaware, with full corporate
         power and authority to conduct its business as it is now being
         conducted, to own or use the properties and Assets that it purports to
         own or use and to perform all its obligations under all Applicable
         Contracts. Schedule 4.1 contains a complete and accurate list of the
         other jurisdictions in which Entevo is authorized to transact business.
         Entevo is duly qualified to transact business as a foreign corporation
         and is in good standing under the laws of each state or other
         jurisdiction in which either the ownership or use of the properties
         owned or used by it, or the nature of the activities conducted by it,
         requires such qualification and where the failure to be so qualified
         would have a Material Adverse Effect on Entevo.

4.1.2.   Each of Entevo's Subsidiaries is listed on Schedule 4.1, and each is a
         corporation (unless otherwise identified) validly existing and in good
         standing under the laws of its jurisdiction of incorporation (as
         identified in Schedule 4.1), with full corporate power and authority to
         conduct its business as it is now being conducted, to own or use the
         properties and Assets that it purports to own or use and to perform all
         its obligations



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                                       17           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   23

         under all Contracts by which it is bound. Schedule 4.1 contains a
         complete and accurate list of the other jurisdictions in which each
         such Subsidiary is authorized to transact business. Each such
         Subsidiary is duly qualified to transact business as a foreign
         corporation and is in good standing under the laws of each state or
         other jurisdiction in which either the ownership or use of the
         properties owned or used by it, or the nature of the activities
         conducted by it, requires such qualification and where the failure to
         be so qualified would have a Material Adverse Effect on Entevo.

4.2. AUTHORITY; NO CONFLICT.

4.2.1.   This Agreement constitutes the legal, valid and binding obligation of
         Entevo and the Representing Stockholders, and is enforceable against
         Entevo and the Representing Stockholders in accordance with its terms,
         subject to applicable laws of general application relating to
         bankruptcy, insolvency and the relief of debtors and rules of law
         governing specific performance, injunctive relief or other equitable
         remedies. Upon the execution and delivery by Entevo, the Stockholders'
         Representative and the Escrow Agent of the Indemnity Escrow Agreement
         and the execution and delivery by Entevo and the Stockholders'
         Representative of the Registration Rights Agreement (collectively, the
         "Entevo Closing Documents"), as applicable, the Entevo Closing
         Documents will constitute the legal, valid and binding obligations of
         Entevo, enforceable against Entevo in accordance with their respective
         terms, subject to applicable laws of general application relating to
         bankruptcy, insolvency and the relief of debtors and rules of law
         governing specific performance, injunctive relief or other equitable
         remedies. Entevo has the absolute and unrestricted right, power,
         authority and capacity to execute and deliver this Agreement and the
         Entevo Closing Documents and to perform its obligations under this
         Agreement and the Entevo Closing Documents.

4.2.2.   Except as set forth in Schedule 4.2, neither the execution and
         delivery of this Agreement or any of the Entevo Closing Documents nor
         the consummation or performance of any of the Contemplated Transactions
         will, directly or indirectly (with or without notice or lapse of time):

         (a)      contravene, conflict with or result in a violation of (i) any
                  provision of the Organizational Documents of Entevo, (ii) any
                  resolution adopted by the board of directors or the
                  stockholders of Entevo currently in effect and not superseded
                  or (iii) any non-competition agreement entered into by any of
                  the Representing Stockholders;

         (b)      contravene, conflict with or result in a violation of, or give
                  any Governmental Body or other Person the right to challenge
                  any of the Contemplated Transactions or to exercise any remedy
                  or obtain any relief under, any Legal Requirement or any Order
                  to which Entevo or the Representing Stockholders, or any of
                  the Assets owned or used by Entevo, may be subject;

         (c)      contravene, conflict with or result in a violation of any of
                  the terms or requirements of, or give any Governmental Body
                  the right to revoke, withdraw, suspend, cancel, terminate or
                  modify, any Governmental Authorization that is



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                                       18           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   24

                  held by Entevo or that otherwise relates to the business of,
                  or any of the Assets owned or used by, Entevo;

         (d)      cause Entevo to become subject to, or to become liable for the
                  payment of, any Tax;

         (e)      cause any of the Assets owned by Entevo to be reassessed or
                  revalued by any taxing authority or other Governmental Body;

         (f)      contravene, conflict with or result in a violation or breach
                  of any provision of, or give any Person the right to declare a
                  default or exercise any remedy under, or to accelerate the
                  maturity or performance of, or to cancel, terminate or modify,
                  any Material Contract; or

         (g)      result in the imposition or creation of any Encumbrance upon
                  or with respect to any of the Assets owned or used by Entevo.

4.2.3.   Except as set forth in Schedule 4.2, neither Entevo or its Subsidiaries
         nor any of the Representing Stockholders is, or to the Knowledge of
         Entevo and the Representing Stockholders will be, required give any
         notice to or obtain any Consent from any Person in connection with the
         execution and delivery of this Agreement or the consummation or
         performance of any of the Contemplated Transactions.



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                                       19           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   25

4.3.     CAPITALIZATION.

4.3.1.   As of the date of this Agreement, the authorized equity securities of
         Entevo consist of (a) 40,000,000 shares of Entevo Common Stock, of
         which 6,971,328 shares are issued and outstanding, (b) 5,000,000 shares
         of Entevo Preferred Stock, Series A, of which 5,000,000 shares are
         issued and outstanding, (c) 7,689,146 shares of Entevo Preferred Stock,
         Series B, of which 7,689,146 shares are issued and outstanding, and (d)
         10,030,000 shares of Entevo Preferred Stock, Series C, of which
         10,000,000 shares are issued and outstanding. The Securityholders are
         and will be on the Closing Date the record and beneficial owners and
         holders of all shares of Entevo Stock, and each own the number of
         shares (designated by class) of Entevo Stock as set forth in Exhibit A.

4.3.2.   Except as set forth above in Exhibit A or on Schedule 4.3.2, there are
         no preemptive or other outstanding rights, options, warrants,
         conversion rights, stock appreciation rights, redemption rights,
         repurchase rights, agreements, arrangements or commitments to issue or
         to sell any shares of capital stock or other securities of Entevo or
         any of its Subsidiaries or any securities or obligations convertible or
         exchangeable into or exercisable for, or giving any Person a right to
         subscribe for or acquire, any securities of Entevo or any of its
         Subsidiaries, and no securities or obligation evidencing such rights
         are authorized, issued or outstanding. Entevo does not have outstanding
         any bonds, debentures, notes or other obligations the holders of which
         have the right to vote (or convertible into or exercisable for
         securities having the right to vote) with the stockholders of Entevo on
         any matter.

4.3.3.   All of the outstanding equity securities of Entevo have been duly
         authorized and validly issued and are fully paid and nonassessable.
         Except as set forth in Schedule 4.3 , there are no Contracts relating
         to the issuance, sale or transfer of any equity securities or other
         securities of Entevo. None of the outstanding equity securities or
         other securities of Entevo was issued in violation of the Securities
         Act or any other Legal Requirement. Entevo does not own or have any
         Contract to acquire any equity securities or other securities of any
         Person or any direct or indirect equity or ownership interest in any
         other business, and is not a party to any joint venture, partnership or
         similar entity or enterprise.

4.4.     FINANCIAL STATEMENTS.

Entevo has delivered to BindView and BAC: (a) audited consolidated balance
sheets of Entevo as of December 31st in each of the years 1997 and 1998 (the
"Balance Sheets"), and the related audited statements of income, cash flows and
changes in stockholders' equity for each of the fiscal years then ended,
together with the notes thereto and the report thereon of PricewaterhouseCoopers
L.L.P., independent certified public accountants and (b) an unaudited interim
consolidated balance sheet of Entevo as of December 31, 1999, (the "Latest
Balance Sheet"), and the related unaudited statements of income and cash flow
for the twelve months then ended. The items listed in (a) and (b) above are
attached as Schedule 4.4 and are referred to collectively as the "Financial
Statements". The Financial Statements fairly present in all material respects
the financial condition and the results of operations, changes in stockholders'
equity and cash flow of Entevo, as applicable, at the respective dates of and
for the periods referred to in the Financial Statements in accordance with GAAP,
subject, in the case of Latest Financial



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                                       20           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   26

Statements, to the absence of footnotes required by GAAP and to normal recurring
year-end adjustments (the effect of which will not, individually or in the
aggregate, be materially adverse to Entevo). The Financial Statements reflect
the consistent application of such accounting principles throughout the periods
involved.

4.5. BOOKS AND RECORDS.

The books of account, minute books, stock record books and other records of
Entevo, all of which have been made available to BindView and BAC, are complete
and correct. Except as set forth on Schedule 4.5, the minute books of Entevo
contain accurate and complete records of all meetings held of, and corporate
action taken by, the stockholders, the Boards of Directors and committees of the
Boards of Directors of Entevo, and no meeting of any such stockholders, Board of
Directors or committee has been held for which minutes have not been prepared
and are not contained in such minute books. At the Closing, all of those books
and records will be in the possession of Entevo.

4.6. TITLE TO PROPERTIES; NO ENCUMBRANCES.

4.6.1.   Schedule 4.6 contains a complete and accurate list of all Facilities
         owned or leased by Entevo. Entevo has delivered or made available to
         BindView and BAC copies of the deeds, leases and other instruments (as
         recorded) by which Entevo acquired or leased such Facilities, and
         copies of all title insurance policies, opinions, abstracts and surveys
         in the possession of Entevo and relating to such Facilities. Entevo
         owns (free and clear of all Encumbrances and, with respect to real
         property owned, with good and marketable title, subject only to the
         matters permitted by Section 4.6.2) all the properties and Assets that
         it purports to own, including all of the properties and Assets
         reflected in the Balance Sheets, the Latest Balance Sheet (except for
         Assets held under capitalized leases disclosed or not required to be
         disclosed in Schedule 4.6 and personal property sold since the date of
         the Balance Sheets and the Latest Balance Sheet, as the case may be, in
         the Ordinary Course of Business) and all of the properties and Assets
         purchased or otherwise acquired by Entevo since the date of the Balance
         Sheets (except for personal property and other Assets acquired and sold
         since the date of the Balance Sheets in the Ordinary Course of Business
         and consistent with past practice).

4.6.2.   Except as set forth on Schedule 4.6.2, all material properties and
         Assets reflected in the Balance Sheets and the Latest Balance Sheet are
         free and clear of all Encumbrances and are not, in the case of real
         property, subject to any rights of way, building use restrictions,
         exceptions, variances, reservations or limitations of any nature
         except, with respect to all such properties and Assets, (a) mortgages
         or security interests shown on the Balance Sheets or the Latest Balance
         Sheet as securing specified liabilities or obligations, with respect to
         which no default (or event that, with notice or lapse of time or both,
         would constitute a default) exists, (b) mortgages or security interests
         incurred in connection with the purchase of property or Assets after
         the date of the Latest Balance Sheet (such mortgages and security
         interests being limited to the property or Assets so acquired), with
         respect to which no default (or event that, with notice or lapse of
         time or both, would constitute a default) exists, (c) liens for current
         taxes not yet due and (d) with respect to real property, (i) minor
         imperfections of title, if any, none of which is substantial in



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                                       21           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   27

         amount, which materially detract from the value or impair the use of
         the property subject thereto or impair the operations of Entevo and
         (ii) zoning laws and other land use restrictions that do not impair the
         present or anticipated use of the property subject thereto. All
         Facilities owned by Entevo lie wholly within the boundaries of the real
         property owned by Entevo and do not encroach upon the property of, or
         otherwise conflict with the property rights of, any other Person.

4.7. CONDITION AND SUFFICIENCY OF ASSETS.

To the Knowledge of Entevo and the Representing Stockholders, the Facilities of
Entevo are structurally sound, are in good operating condition and repair, and
are adequate for the uses to which they are being put, and none of the
Facilities is in need of maintenance or repairs except for ordinary, routine
maintenance and repairs that are not material in nature or cost. To the
Knowledge of Entevo and the Representing Stockholders, the Assets of Entevo in
good operating condition and repair and are sufficient for the continued conduct
of Entevo's business after the Closing in substantially the same manner as
conducted prior to the Closing.

4.8. ACCOUNTS RECEIVABLE.

4.8.1.   All accounts receivable of Entevo that are reflected on the Balance
         Sheets or the Latest Balance Sheet or on the accounting records of
         Entevo as of the Closing Date (collectively, the "Accounts Receivable")
         represent or will represent valid obligations arising from valid sales
         actually made or services actually performed in the Ordinary Course of
         Business. Unless paid prior to the Closing Date, the Accounts
         Receivable are or will be as of the Closing Date current and
         collectible net of the respective reserves shown on the Balance Sheets
         or the Latest Balance Sheet or on the accounting records of Entevo as
         of the Closing Date (which reserves are adequate and calculated
         consistent with past practice and, in the case of the reserve as of the
         Closing Date, will not represent a greater percentage of the Accounts
         Receivable as of the Closing Date than the reserve reflected in the
         Latest Balance Sheet represented of the Accounts Receivable reflected
         therein and will not represent a material adverse change in the
         composition of such Accounts Receivable in terms of aging).

4.8.2.   Schedule 4.8 contains a complete and accurate list of all Accounts
         Receivable as of the date of the Latest Balance Sheet, which list sets
         forth the aging of such Accounts Receivable. Subject to such reserves,
         each of the Accounts Receivable either has been or will be collected in
         full, without any set-off, within 90 days after the day on which it
         first becomes due and payable. There is no contest, claim or right of
         set-off, other than returns in the Ordinary Course of Business, under
         any Contract with any obligor of an Accounts Receivable relating to the
         amount or validity of such Accounts Receivable.

4.9. NO UNDISCLOSED LIABILITIES.

Except as set forth in Schedule 4.9, Entevo has no material liabilities or
obligations of any nature (whether known or unknown and whether absolute,
accrued, contingent or otherwise) except for liabilities or obligations
reflected or reserved against in the Balance Sheets or the Latest Balance Sheet
and current liabilities incurred in the Ordinary Course of Business since the
respective



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                                       22           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   28

dates thereof. For purposes of this section, "material liabilities or
obligation" means any such liability or obligation, individually or in the
aggregate, in excess of $100,000.

4.10. TAXES.

4.10.1.  Except as set forth in Schedule 4.10, Entevo has filed or caused to be
         filed on a timely basis all Tax Returns that are or were required to be
         filed by or with respect to it pursuant to applicable Legal
         Requirements. Entevo has delivered or made available to BindView and
         BAC copies of all such Tax Returns filed since December 31, 1997.
         Entevo has paid, or made full provision for the payment of, all Taxes
         that have or may have become due for all taxable periods or portions
         thereof ending on or before the date hereof, except such Taxes, if any,
         as are listed in Schedule 4.10 and are being contested in good faith
         and as to which adequate reserves have been provided in the Balance
         Sheets and the Latest Balance Sheet.

4.10.2.  Schedule 4.10 contains a complete and accurate list of all audits of
         all such Tax Returns filed since December 31, 1997, including a
         reasonably detailed description of the nature and outcome of each such
         audit. All deficiencies proposed as a result of such audits have been
         paid, reserved against, settled or, as described in Schedule 4.10 , are
         being contested in good faith by appropriate proceedings. Schedule 4.10
         describes all adjustments to the Tax Returns filed by Entevo for all
         taxable years since December 31, 1997, and the resulting deficiencies
         proposed by the relevant tax authorities. Except as described in
         Schedule 4.10 , Entevo has neither given nor been requested to give
         waivers or extensions (or is or would be subject to a waiver or
         extension given by any other Person) of any statute of limitations
         relating to the payment of Taxes of Entevo or for which Entevo may be
         liable.

4.10.3.  The charges, accruals and reserves with respect to Taxes on the books
         of Entevo are adequate and are at least equal to Entevo's aggregate
         liability for Taxes. There exists no proposed tax assessment against
         Entevo except as disclosed in the Balance Sheets, the Latest Balance
         Sheet or in Schedule 4.10. No consent to the application of IRC Section
         341(f)(2) has been filed with respect to any property or Assets held,
         acquired or to be acquired by Entevo. All Taxes that Entevo is or was
         required by Legal Requirements to withhold or collect have been duly
         withheld or collected and, to the extent required, have been paid to
         the proper Governmental Body or other Person.

4.10.4.  All Tax Returns filed by (or that include on a consolidated basis)
         Entevo are true, correct and complete. There is no tax sharing
         agreement that will require any payment by Entevo after the date of
         this Agreement.

4.11. NO MATERIAL ADVERSE CHANGE.

Since the date of the Latest Balance Sheet, there shall not have been any change
in the results of operations, properties, Assets or financial condition of
Entevo or its Subsidiaries that could reasonably be expected to result in a
Material Adverse Effect upon Entevo and its Subsidiaries, taken as a whole, and
no event has occurred or circumstance exists that could reasonably be



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                                       23           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   29

expected to result in a Material Adverse Effect upon Entevo and its
Subsidiaries, taken as a whole.

4.12. EMPLOYEE BENEFITS.

4.12.1.  Except as set forth on Schedule 4.12, Entevo maintains no Entevo Plans
         or Entevo Other Benefit Obligations. Entevo maintains no Entevo VEBAs.

4.12.2.  Except as set forth on Schedule 4.12, Entevo has no ERISA Affiliates.

4.12.3.  Entevo has delivered or made available to BindView and BAC:

         (a)      all documents that set forth the terms of each Entevo Plan or
                  Entevo Other Benefit Obligation and of any related trust,
                  including (i) all plan descriptions and summary plan
                  descriptions of Entevo Plans for which Entevo is required to
                  prepare, file and distribute plan descriptions and summary
                  plan descriptions and (ii) all summaries and descriptions
                  furnished to participants and beneficiaries regarding Entevo
                  Plans and Entevo Other Benefit Obligations for which a plan
                  description or summary plan description is not required;

         (b)      all personnel, payroll and employment manuals and policies;

         (c)      all collective bargaining agreements pursuant to which
                  contributions have been made or obligations incurred
                  (including both pension and welfare benefits) by Entevo and
                  the ERISA Affiliates, and all collective bargaining agreements
                  pursuant to which contributions are being made or obligations
                  are owed by such entities;

         (d)      a written description of any Entevo Plan or Entevo Other
                  Benefit Obligation that is not otherwise in writing;

         (e)      all registration statements with respect to any Entevo Plan;

         (f)      all insurance policies which were purchased by or to provide
                  benefits under any Entevo Plan;

         (g)      all contracts with third party administrators, actuaries,
                  investment managers, consultants and other independent
                  contractors that relate to any Entevo Plan or Entevo Other
                  Benefit Obligation;

         (h)      samples of all notifications to employees of their rights
                  under ERISA Section 601 et seq. and IRC Section 4980B;

         (i)      the Form 5500 filed in each of the most recent three plan
                  years with respect to each Entevo Plan and each IRC Section
                  125 cafeteria plan of Entevo or any ERISA Affiliate, including
                  all schedules thereto and the opinions of independent
                  accountants;



- --------------------------------------------------------------------------------
                                       24           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   30

         (j)      all notices or reports that were given by Entevo, any ERISA
                  Affiliate or any Entevo Plan to the IRS or the PBGC, pursuant
                  to statute, within the four years preceding the date of this
                  Agreement, including notices that are expressly mentioned
                  elsewhere in this Section 4.12;

         (k)      all notices that were given by the IRS, the PBGC or the
                  Department of Labor to Entevo, any ERISA Affiliate or any
                  Entevo Plan within the four years preceding the date of this
                  Agreement; and

         (l)      with respect to Entevo Plans that are Qualified Plans, the
                  most recent determination letter for each such Plan.

4.12.4. Except as set forth in Schedule 4.12:

         (a)      Entevo and each ERISA Affiliate has performed all of its
                  material obligations under all Entevo Plans and Entevo Other
                  Benefit Obligations. Entevo and each ERISA Affiliate has made
                  appropriate entries in its financial records and statements
                  for all obligations and liabilities under such Plans and
                  Obligations that have accrued but are not due.

         (b)      No Entevo Plan is a Defined Benefit Pension Plan, or any other
                  Pension Plan to which the minimum funding provisions of ERISA
                  Section 302 and IRC Section 412 apply, or a Multiemployer
                  Plan. There is no Entevo VEBA and Entevo and each ERISA
                  Affiliate has not maintained or contributed to any such
                  Defined Benefit Plan or Pension Plan that is subject to the
                  provisions of ERISA Section 302 and IRC Section 412,
                  Multiemployer Plan or VEBA within the six year period prior to
                  Closing.

         (c)      Entevo and the ERISA Affiliates, with respect to all Entevo
                  Plans and Entevo Other Benefits Obligations, are, and each
                  Entevo Plan and Entevo Other Benefit Obligation is, in
                  material compliance with ERISA, the IRC and other applicable
                  Legal Requirements, including the provisions of such Legal
                  Requirements expressly mentioned in this Section 4.12, and
                  with any applicable collective bargaining agreement.

         (d)      Neither Entevo, any ERISA Affiliate nor any Securityholder has
                  engaged in or knowingly permitted to occur and, to Entevo's
                  and each of the Representing Stockholders' Knowledge, no other
                  party has engaged in or permitted to occur any transaction
                  prohibited by ERISA Section 406 or "prohibited transaction"
                  under IRC Section 4975(c) with respect to any Entevo Plan,
                  except for any transactions which are exempt under ERISA
                  Section 408 or IRC Section 4975.

         (e)      [Reserved].

         (f)      All filings required by ERISA and the IRC as to each Plan have
                  been timely filed, and all notices and disclosures to
                  participants required by either ERISA or the IRC have been
                  timely provided.



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                                       25           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   31

         (g)      All contributions and payments made or accrued with respect to
                  all Entevo Plans and Entevo Other Benefit Obligations which
                  have been deducted were deductible under applicable IRC
                  provisions, including IRC Section 162 or Section 404. No
                  Entevo Plan or the Assets thereof are liable for any tax as
                  unrelated business taxable income.

         (h)      Except for any formal qualification requirement with respect
                  to which the remedial amendment period set forth in IRS
                  Section 401(b), and any regulations, rulings or other IRS
                  releases thereunder, has not expired, (i) each Entevo Plan
                  that is a Qualified Plan is qualified in form and operation
                  under IRC Section 401(a), and each trust for each such Plan is
                  exempt from federal income tax under IRC Section 501(a), and
                  (ii) no event has occurred or circumstance exists that gives
                  rise to disqualification or loss of tax-exempt status of any
                  such Plan or trust.

         (i)      No event has occurred or circumstance exists that has resulted
                  in or could result in the partial termination, within the
                  meaning of IRC Section 411(d)(3), of any Entevo Plan that is a
                  Qualified Plan, excluding any event with respect to which the
                  requirements of IRC Section 411(d)(3) have been satisfied.

         (j)      Each Entevo Plan can be terminated without payment of any
                  material termination fee or charge and, except for any
                  Qualified Plan, without the vesting or acceleration of any
                  benefits promised by such Plan. For purposes of this paragraph
                  (j), "material" means any fee or charge in excess of $20,000.

         (k)      To the Knowledge of Entevo and the Representing Stockholders,
                  no event has occurred or circumstance exists that could result
                  in a material increase in premium costs of Entevo Plans and
                  Entevo Other Benefit Obligations that are insured, or a
                  material increase in benefit costs of such Plans and
                  Obligations that are self-insured.

         (l)      Other than claims for benefits submitted by participants or
                  beneficiaries, no claim against, or legal proceeding
                  involving, any Entevo Plan or Entevo Other Benefit Obligation
                  is pending or, to Entevo's and each of the Representing
                  Stockholders' Knowledge, is Threatened.

         (m)      Except to the extent required under ERISA Section 601 et seq.
                  and IRC Section 4980B, Entevo does not provide health or
                  welfare benefits for any retired or former employee nor is it
                  obligated to provide health or welfare benefits to any active
                  employee following such employee's retirement or other
                  termination of service.

         (n)      Entevo has the right to modify and terminate benefits as to
                  retirees (other than pensions) with respect to both retired
                  and active employees.

         (o)      Entevo has complied in all material respects with the
                  provisions of ERISA Section 601 et seq. and IRC Section 4980B.

         (p)      No payment that is owed or may become due to any director,
                  officer, employee or agent of Entevo will be non-deductible to
                  Entevo or subject to tax under IRC Section 280G or Section
                  4999; nor will Entevo be required to "gross up" or otherwise



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                                       26           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   32

                  compensate any such person because of the imposition of any
                  excise tax on a payment to such person.

         (q)      Except as set forth in Schedule 4.12, the consummation of the
                  Contemplated Transactions will not result in the payment,
                  vesting or acceleration of any benefit, assuming that no
                  employee incurs a termination of employment or reduction in
                  hours, and no Entevo Plan or Entevo Other Benefit Obligation
                  is terminated by its express terms, in connection with the
                  Contemplated Transactions.

4.13. COMPLIANCE WITH LEGAL REQUIREMENTS; GOVERNMENTAL AUTHORIZATIONS.

4.13.1.  Except as set forth in Schedule 4.13 :

         (a)      Each of Entevo and its Subsidiaries is, and at all times since
                  January 1, 1998 has been, in full compliance in all material
                  respects with each material Legal Requirement that is or was
                  applicable to it or to the conduct or operation of its
                  business or the ownership or use of any of its Assets;

         (b)      no event has occurred or circumstance exists that (with or
                  without notice or lapse of time) (i) may constitute or result
                  in a violation by Entevo or its Subsidiaries of, or a failure
                  on the part of Entevo or its Subsidiaries to comply with, any
                  material Legal Requirement or (ii) may give rise to any
                  obligation on the part of Entevo or its Subsidiaries to
                  undertake, or to bear all or any portion of the cost of, any
                  material remedial action of any nature (for purposes of this
                  clause, "material remedial action" means any such required
                  action that is reasonably expected to cost in excess of
                  $100,000); and

         (c)      Neither Entevo nor any of its Subsidiaries has received, at
                  any time since January 1, 1998, any notice or other
                  communication (whether oral or written) from any Governmental
                  Body or any other Person regarding (i) any actual, alleged,
                  possible or potential violation of, or failure to comply with,
                  any material Legal Requirement or (ii) any actual, alleged,
                  possible or potential obligation on the part of Entevo or its
                  Subsidiaries to undertake, or to bear all or any portion of
                  the cost of, any material remedial action of any nature (for
                  purposes of this clause, "material remedial action" means any
                  such required action that is reasonably expected to cost in
                  excess of $100,000).

4.13.2.  Each of Entevo and its Subsidiaries has obtained all necessary
         Governmental Authorizations required that relate to the business of, or
         to any of the Assets owned or used by, Entevo and its Subsidiaries.
         Except as set forth in Schedule 4.13 , each such Governmental
         Authorization is valid and in full force and effect. Entevo and the
         Representing Stockholders further represent and warrant that, except as
         set forth in Schedule 4.13 :

         (a)      Each of Entevo and its Subsidiaries is, and at all times since
                  January 1, 1998 has been, in full compliance in all material
                  respects with all of the terms and requirements of each
                  material Governmental Authorization;



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                                       27           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   33

         (b)      no event has occurred or circumstance exists that may (with or
                  without notice or lapse of time) (i) constitute or result
                  directly or indirectly in a violation of or a failure to
                  comply with any material term or requirement of any material
                  Governmental Authorization or (ii) result directly or
                  indirectly in the revocation, withdrawal, suspension,
                  cancellation or termination of, or any modification to, any
                  material Governmental Authorization;

         (c)      Entevo has not received, at any time since January 1, 1998,
                  any notice or other communication (whether oral or written)
                  from any Governmental Body or any other Person regarding (i)
                  any actual, alleged, possible or potential violation of or
                  failure to comply with any material term or requirement of any
                  Governmental Authorization or (ii) any actual, proposed,
                  possible or potential revocation, withdrawal, suspension,
                  cancellation, termination of or modification to any material
                  Governmental Authorization; and

         (d)      all applications required to have been filed for the renewal
                  of the Governmental Authorizations have been duly filed on a
                  timely basis with the appropriate Governmental Bodies, and all
                  other filings required to have been made with respect to such
                  Governmental Authorizations have been duly made on a timely
                  basis with the appropriate Governmental Bodies.

4.14. LEGAL PROCEEDINGS; ORDERS.

4.14.1.  There is no pending Proceeding:

         (a)      that has been commenced by or against Entevo or its
                  Subsidiaries or that otherwise relates to or may affect the
                  business of, or any of the Assets owned or used by, Entevo or
                  its Subsidiaries; or

         (b)      that challenges, or that may have the effect of preventing,
                  delaying, making illegal or otherwise interfering with any of
                  the Contemplated Transactions.

4.14.2.  To the Knowledge of Entevo and each of the Representing Stockholders,
         (i) no such Proceeding has been Threatened and (ii) no event has
         occurred or circumstance exists that may give rise to or serve as a
         basis for the commencement of any such Proceeding. Entevo has delivered
         to BindView and BAC copies of all pleadings, correspondence and other
         documents relating to each Proceeding listed in Schedule 4.14.

4.14.3. Except as set forth in Schedule 4.14

         (a)      There is no Order to which Entevo, or any of the Assets owned
                  or used by Entevo or its Subsidiaries, is subject; and

         (b)      no officer, or, to the knowledge of Entevo and each of the
                  Representing Stockholders, director, agent or employee of
                  Entevo or its Subsidiaries is subject to any Order that
                  prohibits such officer, director, agent or employee from
                  engaging in or continuing any conduct, activity or practice
                  relating to the business of Entevo and its Subsidiaries.



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                                       28           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   34

4.15. ABSENCE OF CERTAIN CHANGES AND EVENTS.

Except as set forth on Schedule 4.15, since the date of the Latest Balance
Sheet, Entevo and its Subsidiaries have conducted its business only in the
Ordinary Course of Business and there has not been any:

4.15.1.  change in Entevo's or its Subsidiaries' authorized or issued capital
         stock; grant of any stock option or right to purchase shares of capital
         stock of Entevo or its Subsidiaries; issuance of any security
         convertible into such capital stock; grant of any registration rights;
         purchase, redemption, retirement or other acquisition by Entevo or its
         Subsidiaries of any shares of any such capital stock; or declaration or
         payment of any dividend or other distribution or payment with respect
         to such capital stock;

4.15.2.  amendment to the Organizational Documents of Entevo or its
         Subsidiaries;

4.15.3.  payment or increase by Entevo or its Subsidiaries of any bonuses,
         salaries or other compensation to any stockholder, director, officer or
         (except in the Ordinary Course of Business) employee or entry into any
         employment, severance or similar Contract with any director, officer or
         employee;

4.15.4.  adoption of, or increase in the payments to or benefits under, any
         profit sharing, bonus, deferred compensation, savings, insurance,
         pension, retirement or other employee benefit plan for or with any
         employees of Entevo or its Subsidiaries;

4.15.5.  damage to or destruction or loss of any property or Asset of Entevo or
         its Subsidiaries, whether or not covered by insurance, resulting in a
         Material Adverse Effect on Entevo and its Subsidiaries, taken as a
         whole;

4.15.6.  entry into, termination of or receipt of notice of termination of (a)
         any license (other than existing end-user license agreements entered
         into in the Ordinary Course of Business using a form substantially
         similar to one of the forms provided to BindView, referred to
         collectively as the "Entevo End-User License Agreements"),
         distributorship, dealer, sales representative, joint venture, credit or
         similar agreement or (b) any Contract or transaction involving a total
         remaining commitment by or to Entevo of at least $100,000;

4.15.7.  sale (other than sales in the Ordinary Course of Business), lease or
         other disposition of any property or Asset of Entevo or its
         Subsidiaries or mortgage, pledge or imposition of any lien or other
         encumbrance on any material Asset or property of Entevo or its
         Subsidiaries, including the sale, lease or other disposition of any of
         the Entevo Intellectual Property Assets;

4.15.8.  cancellation or waiver of any claims or rights with a value to Entevo
         or its Subsidiaries in excess of $50,000;

4.15.9.  material change in the accounting methods used by Entevo; or

4.15.10. agreement, whether oral or written, by Entevo or its Subsidiaries to do
         any of the foregoing.



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                                       29           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   35

4.16. CONTRACTS; NO DEFAULTS.

4.16.1.  Except for those agreements identified on Schedule 4.16, there are no
         Applicable Contracts of the following kinds (collectively, the
         "Material Contracts"):

         (a)      Contracts with any current officer or director of Entevo or
                  any of its Subsidiaries;

         (b)      Contracts (other than the Entevo End-User License Agreements)
                  granting any other Person the right (i) to use or make copies
                  of the Entevo-Owned Software; (ii) to create derivative works
                  based on the Entevo-Owned Software; or (iii) to distribute all
                  or part of the Entevo-Owned Software to other Persons;

         (c)      Contracts pursuant to which other Persons license Entevo or
                  any of its Subsidiaries to incorporate Third-Party Licensed
                  Software (as defined in Section 4.17.1) into any Entevo-Owned
                  Software distributed to customers of Entevo or any of its
                  Subsidiaries;

         (d)      Contracts for the sale of any of the Assets of Entevo or any
                  of its Subsidiaries, other than contracts entered into in the
                  Ordinary Course of Business;

         (e)      Contracts for the grant to any person of any preferential
                  rights to purchase any of its Assets;

         (f)      Contracts which restrict Entevo or any of its Subsidiaries or,
                  to the Knowledge of Entevo and the Representing Stockholders,
                  any of the employees of any of them, from competing in any
                  geographical area and in any line of business conducted by
                  Entevo or any of its Subsidiaries;

         (g)      Contracts (i) that restrict Entevo or any of its Subsidiaries
                  or, to the Knowledge of Entevo and the Representing
                  Stockholders, any of the employees of any of them, from
                  disclosing any information concerning or obtained from any
                  other Person or (ii) that restrict any other Person from
                  disclosing any information concerning or obtained from Entevo
                  or any of its Subsidiaries (excluding, in each case, any such
                  Contracts between Entevo or any of its Subsidiaries, on the
                  one hand, and any of their respective employees, on the other
                  hand);

         (h)      indentures, credit agreements, security agreements, mortgages,
                  guarantees, promissory notes and other contracts relating to
                  the borrowing of money;

         (i)      Contracts providing for the provision of professional services
                  by Entevo or any of its Subsidiaries, or any of the employees
                  of any of them, on a fixed-fee basis;

         (j)      Contracts pursuant to which Entevo or any of its Subsidiaries
                  has granted to any other person the right to distribute,
                  resell or hold on consignment any products ("Distributor
                  Agreements"); and

         (k)      all other agreements, contracts or instruments entered into
                  outside of the Ordinary Course of Business and which are
                  material to Entevo.



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                                       30           BVEW/ENTEVO MERGER AGREEMENT
<PAGE>   36

4.16.2.  Except as specified in Schedule 4.16, the Contemplated Transactions
         will not cause any of the Material Contracts, based solely on their
         terms, not to continue to be legal, valid, binding and enforceable in
         accordance with their terms and in full force and effect against all
         the parties thereto following the Closing. The Contemplated
         Transactions will not result in any material breach or default under
         any Material Contract or give rise to any Encumbrance or any right of
         any Person to termination, revocation, acceleration, prepayment,
         suspension or modification with respect to any Material Contract.

4.16.3.  Except as specified in Schedule 4.16, neither Entevo nor any of its
         Subsidiaries is in breach or default in any material respect under any
         Material Contract nor, to the Knowledge of Entevo or the Representing
         Stockholders, is any other party to any Material Contract in breach or
         default thereunder in any material respect.

4.16.4.  None of the Distributor Agreements grants to any person exclusive
         rights to distribute, resell or hold on consignment any products in any
         geographic area.

4.16.5.  True, correct and complete copies of each Material Contract have been
         furnished or made available to BindView and its Representatives.

4.17.    SOFTWARE.

4.17.1.  (a) Schedule 4.17.1 sets forth under the caption "Entevo-Owned
         Software" a true, correct and complete list of all material computer
         programs (source code or object code, and including any associated
         non-code files or data, all collectively "Computer Programs") that
         Entevo or any Subsidiary of Entevo purport to own, including any
         material Computer Programs in the development or testing phase
         (collectively, the "Entevo-Owned Software"). (b) Schedule 4.17.1 sets
         forth under the caption "Third-Party Licensed Software" a true, correct
         and complete list of all Computer Programs licensed to Entevo or any
         Subsidiary of Entevo by another person (other than any off-the-shelf
         Computer Program that is so licensed under a shrink wrap license or any
         Computer Program not material to Entevo's business or any Computer
         Program that is used by Entevo and its Subsidiaries primarily for
         financial, accounting, administrative or other non-technical
         applications or is not otherwise material to Entevo and its
         Subsidiaries (collectively, the "Off-the-Shelf Software"))
         (collectively, the "Third-Party Licensed Software" and, together with
         the Entevo-Owned Software, the "Software").

4.17.2.  (a) Subject to the Entevo End-User License Agreements and the
         Distribution Agreements, and except as may be specified in Schedule
         4.17.2, Entevo, directly or through its Subsidiaries, has good and
         marketable title to, and the valid and enforceable power and exclusive
         right to sell, license, lease, transfer, use and otherwise exploit, all
         existing versions and releases of the Entevo-Owned Software and all
         copyrights thereof, free and clear of all liens. (b) Except as
         specified in Schedule 4.17.2, Entevo, directly or through its
         Subsidiaries, is in actual possession of at least one copy of the
         source code and object code and any associated non-code files or data
         for each computer program included in the Entevo-Owned Software. (c)
         Entevo, directly or through its Subsidiaries, is in possession of all
         other documentation (including all related engineering specifications,
         program flow charts, installation and user manuals, if any) required
         for the



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                                       31           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   37

         use, maintenance, and further development of the Software as currently
         used in Entevo's business or as offered or represented to Entevo's
         customers or potential customers. (d) Entevo, directly or through its
         Subsidiaries, is in actual possession of at least one copy of the
         object code and user manuals, if any, for each computer program
         included in the Third-Party Licensed Software. (e) The Software,
         together with the Off-the-Shelf Software, constitutes all of the
         material Computer Programs reasonably necessary to conduct Entevo's
         business as now conducted, and includes all of the Computer Programs
         used in the development, marketing, licensing, sale or support of the
         products and the services presently being offered or developed by
         Entevo. (f) Except as specified in Schedule 4.17.2 and other than the
         Entevo End-User License Agreements and the Distribution Agreements, no
         person other than Entevo and its Subsidiaries has any right or interest
         of any kind or nature in or with respect to the Entevo-Owned Software
         or any portion thereof or any rights to sell, license, lease, transfer,
         use or otherwise exploit the Entevo-Owned Software or any portion
         thereof. (g) Each software author has made his or her contribution to
         the Entevo-Owned Software (i) within the scope of employment with
         Entevo or a Subsidiary thereof as a "work made for hire" or has
         otherwise assigned such work in writing to Entevo or a Subsidiary
         thereof, or (ii) as an independent contractor pursuant to a written
         agreement in which work product and the intellectual property rights
         therein, including copyrights, either (A) were designated as "works
         made for hire," or (B) were the subject of a written assignment of, or
         a written obligation to assign, all right, title, and interest therein
         to Entevo or a Subsidiary thereof.

4.17.3.  Schedule 4.17.3 sets forth a true, correct and complete list of (a) all
         persons (other than Entevo and its Subsidiaries and their independent
         contractors who are subject to written confidentiality agreements to
         keep such source code confidential) that have been provided with the
         source code, and (b) all source code escrow agreements relating to any
         of the Entevo-Owned Software. Except as specified in Schedule 4.17.3,
         to the Knowledge of Entevo and the Representing Stockholders, no person
         (other than Entevo and its Subsidiaries and their independent
         contractors and their respective employees who are subject to written
         confidentiality agreements to keep such source code confidential) is in
         possession of, or has or has had access to, or has asserted a right of
         access to, pursuant to any contracted right therefore or otherwise, any
         source code for any computer program included in the Entevo-Owned
         Software.

4.17.4.  Except as specified in Schedule 4.17.4:

         (a)      (i) The Entevo-Owned Software currently available for general
                  commercial license has all the features and functions
                  described in, and in operation performs substantially as
                  described in, the related user manual. (ii) The Entevo-Owned
                  Software and, to the Knowledge of Entevo and the Representing
                  Stockholders, all other Software) does not contain any "back
                  door", "time bomb", "Trojan horse", "worm", "drop dead
                  device", "virus" (as these terms are commonly used in the
                  computer software industry), 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 similar type of functions. (iii) The Entevo--Owned
                  Software does not contain routines for surreptitiously
                  obtaining and/or



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                                       32           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   38

                  transmitting personal identifiable information to any person
                  other than the person who is the subject of such information;

         (b)      To the Knowledge of Entevo and the Representing Stockholders,
                  there are no material defects in any Computer Program included
                  in the Entevo-Owned Software, which would cause such software
                  to fail to be "Year 2000 compliant". For purposes of this
                  Agreement, "Year 2000 compliant", means that all of the
                  Software has the following properties and capabilities: (i)
                  the capability to correctly recognize and accurately process
                  dates expressed as a four-digit number (or the binary
                  equivalent or other machine readable iteration thereof)
                  (collectively, the "Four-Digit Dates"); (ii) the capability to
                  accurately execute calculations using Four-Digit Dates; (iii)
                  the functionality (both on-line and batch), including entry,
                  inquiry, maintenance and update, to support processing
                  involving Four-Digit Dates; (iv) the capability to generate
                  interfaces and reports that support processing involving
                  Four-Digit Dates; (v) the capability to generate and
                  successfully transition, without human intervention, into the
                  year 2000 using the correct system date and to thereafter
                  continue processing with Four-Digit Dates; (vi) the capability
                  to provide correct results in forward and backward data
                  calculations spanning century boundaries, including the
                  conversion of pre-2000 dates currently stored as two-digit
                  dates; and (vii) the capability of correctly recognizing and
                  processing all leap-year aspects of any of items (i) through
                  (vi); provided, however, that it shall not be a breach of this
                  section if any failure to be Year 2000 compliant is due to (x)
                  a failure, by any third party product which the Entevo-Owned
                  Software is used, to be Year 2000 compliant or (y) any
                  modification of the Entevo-Owned Software made after the date
                  of the Closing.

         (c)      (i) To the Knowledge of Entevo and the Representing
                  Stockholders, no third party is violating or has violated any
                  of Entevo's or its Subsidiaries' proprietary rights in the
                  Entevo-Owned Software; (ii) except for the Distribution
                  Agreements, no third party has any right to compensation from
                  Entevo or its Subsidiaries by reason of the use, exploitation
                  or sale of the Entevo-Owned Software; (iii) except for the
                  Entevo End-User License Agreements and the Distribution
                  Agreements, there are no restrictions on the ability of Entevo
                  or its Subsidiaries, or any of their respective successors or
                  assignees, to use, sell or otherwise exploit the Entevo-Owned
                  Software; and (iv) neither Entevo nor any of the Representing
                  Stockholders has received any notice and do not have any
                  Knowledge of any complaint, assertion, claim, threat or
                  allegation inconsistent with the preceding statements in this
                  paragraph.

4.17.5.  (a) Each Computer Program included in the Software exists in machine
         readable form. (b) All warranty claims first made after the later of
         (i) three years prior to the date of this Agreement and (ii) the date
         that the Entevo product in question was first made available for
         general commercial licensing, including any pending claims, relating to
         the Software are described in Schedule 4.17.5.

4.17.6.  [Reserved].



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                                       33           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   39

4.17.7.  Except as specified in Schedule 4.17.7, neither Entevo nor any of its
         Subsidiaries markets, or has marketed, and none of them has supported
         or is obligated to support, any Third-Party Licensed Software not
         incorporated into the Entevo-Owned Software.

4.18.    INSURANCE.

4.18.1.  Entevo has delivered or made available to BindView and BAC:

         (a)      true and complete copies of all policies of insurance to which
                  Entevo is a party or under which Entevo, or any officer or
                  director of Entevo in his capacity as such, is or has been
                  covered at any time within the three years preceding the date
                  of this Agreement;

         (b)      true and complete copies of all pending applications for
                  policies of insurance; and

         (c)      any statement by any auditor of Entevo's financial statements
                  with regard to the adequacy of Entevo's coverage or of the
                  reserves for claims.

4.18.2.  Schedule 4.18.2 describes:

         (a)      any self-insurance arrangement by or affecting Entevo,
                  including any reserves established thereunder;

         (b)      any contract or arrangement, other than a policy of insurance,
                  for the transfer or sharing of any risk by Entevo; and

         (c)      all obligations of Entevo to third parties with respect to
                  insurance (including such obligations under leases and service
                  agreements) and identifies the policy under which such
                  coverage is provided.

4.18.3.  For the current policy year and each of the two preceding policy years:

         (a)      there has been no loss experience under each policy;

         (b)      there has been no claim under an insurance policy for an
                  amount in excess of $50,000; and

         (c)      there has been no loss experience for any claims that were
                  self-insured, including the number and aggregate cost of such
                  claims.

4.18.4.  To the knowledge of Entevo and the Representing Stockholders, all
         policies to which Entevo is a party or that provide coverage to Entevo
         or any Securityholder, or any director or officer of Entevo in his
         capacity as such:

         (a)      are valid, outstanding and enforceable;

         (b)      are issued by an insurer that is financially sound;



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                                       34           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   40

         (c)      taken together, provide adequate insurance coverage for the
                  Assets and the operations of Entevo for all risks normally
                  insured against by a Person carrying on the same business or
                  businesses as Entevo and for all risks to which Entevo is
                  normally exposed;

         (d)      are sufficient in type and amount for compliance with all
                  Legal Requirements and Contracts to which Entevo is a party or
                  by which it is bound;

         (e)      will continue in full force and effect following the Closing
                  and the consummation of the Contemplated Transactions; and

         (f)      do not provide for any retrospective premium adjustment or
                  other experienced-based liability on the part of Entevo.

4.18.5.  Entevo has not received (a) any refusal of coverage or any notice that
         a defense will be afforded with reservation of rights or (b) any notice
         of cancellation or any other indication that any insurance policy will
         not be renewed or that the issuer of any such policy is not willing or
         able to perform its obligations thereunder.

4.18.6.  Entevo has paid all premiums due, and has otherwise performed all of
         its respective obligations, under each material policy to which Entevo
         is a party or that provides coverage to Entevo or any officer or
         director thereof in his capacity as such.

4.19.    EMPLOYEES.

4.19.1.  Schedule 4.19 contains a complete and accurate list of the following
         information for each employee or director of Entevo, including each
         employee on leave of absence or layoff status: employer; name; job
         title; current compensation paid or payable and any change in
         compensation since September 30, 1999. The Latest Balance Sheet
         includes an accurate reserve for the accrued vacation of all employees
         of Entevo and its subsidiaries. Entevo and its Subsidiaries have no
         pension, retirement, profit-sharing, thrift-savings, deferred
         compensation, stock bonus, cash bonus, employee stock ownership
         (including investment credit or payroll stock ownership), severance
         pay, insurance, medical, welfare or vacation plan, other Employee
         Pension Benefit Plan or Employee Welfare Benefit Plan, or any other
         employee benefit plan or any compensatory or benefit plan intended
         solely for directors of Entevo.

4.19.2.  To Entevo's and each of the Representing Stockholders' Knowledge, no
         employee or director of Entevo is a party to, or is otherwise bound by,
         any agreement or arrangement, including any confidentiality,
         noncompetition or proprietary rights agreement, between such employee
         or director and any other Person (each, a "Proprietary Rights
         Agreement") that in any way adversely affects or will affect (a) the
         performance of his duties as an employee or director of the Surviving
         Corporation or (b) the ability of the Surviving Corporation to conduct
         its business, including any Proprietary Rights Agreement with Entevo or
         any of the Representing Stockholders by any such employee or director.
         To Entevo's and each of the Representing Stockholders' Knowledge, no
         director, officer or other key employee of Entevo intends to terminate
         his employment with Entevo.



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                                       35           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   41

4.19.3.  Entevo has no retired employees or directors receiving benefits or
         scheduled to receive benefits in the future.

4.20. LABOR RELATIONS; COMPLIANCE.

Since January 1, 1997, neither Entevo nor any of its Subsidiaries has been a
party to any collective bargaining or other labor Contract. Since January 1,
1997, there has not been, there is not presently pending or existing and to
Entevo's and each of the Representing Stockholders' Knowledge there is not
Threatened, (a) any strike, slowdown, picketing, work stoppage or employee
grievance process, (b) any Proceeding against or affecting Entevo or its
Subsidiaries relating to the alleged violation of any Legal Requirement
pertaining to labor relations or employment matters, including any charge or
complaint filed by an employee or union with the National Labor Relations Board,
the Equal Employment Opportunity Commission or any comparable Governmental Body,
organizational activity or other labor or employment dispute against or
affecting Entevo or its premises or (c) any application for certification of a
collective bargaining agent. To Entevo's and each of the Representing
Stockholders' Knowledge, no event has occurred or circumstance exists that could
provide the basis for any work stoppage or other labor dispute. There is no
lockout of any employees by Entevo or its Subsidiaries, and no such action is
contemplated by Entevo or its Subsidiaries. Entevo and its Subsidiaries have
complied in all material respects with all Legal Requirements relating to
employment, equal employment opportunity, nondiscrimination, immigration, wages,
hours, benefits, collective bargaining, the payment of social security and
similar taxes, occupational safety and health, and plant closing. Neither Entevo
nor its Subsidiaries is liable for the payment of any compensation, damages,
taxes, fines, penalties or other amounts, however designated, for failure to
comply with any of the foregoing Legal Requirements.

4.21. INTELLECTUAL PROPERTY.

4.21.1.  Intellectual Property Assets. The term "Entevo Intellectual Property
         Assets" includes all right, title and interest, anywhere in the world,
         in and to any of the following things that cover the Entevo-Owned
         Software:

         (a)      the name "Entevo" and all fictional business names, trading
                  names, domain names, registered and unregistered trademarks
                  and service marks, and pending registration applications for
                  any of the foregoing (collectively, "Marks");

         (b)      all issued patents, pending or unfiled patent applications and
                  inventions and discoveries that may be patentable
                  (collectively, "Patents");

         (c)      all copyrights in both published works and unpublished works
                  (collectively, "Copyrights");

         (d)      all rights in mask works; and

         (e)      all know-how, trade secrets, confidential information,
                  customer lists, software, technical information, data, process
                  technology, plans, drawings and blue prints (collectively,
                  "Trade Secrets") owned by Entevo or its Subsidiaries or
                  licensed by Entevo or its Subsidiaries as licensee and
                  embedded in Entevo's products.



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                                       36           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   42

4.21.2.  Agreements. Schedule 4.21.2 contains a complete and accurate list of
         all Contracts relating to the Entevo Intellectual Property Assets to
         which Entevo is a party, or by which Entevo is bound and for which
         Entevo has or is expected to derive sales revenues, except for (a) any
         license implied by the sale of an Entevo or third-party product under
         an Entevo standard (i.e., non-negotiated) form of license agreement
         provided to BindView, (b) perpetual, paid-up licenses for commonly
         available software programs with a value of less than $5,000 under
         which Entevo is the licensee, (c) the Entevo End-User License
         Agreements and (d) the Distribution Agreements (which are separately
         scheduled). There are no outstanding and, to Entevo's and each of the
         Representing Stockholders' Knowledge, no material Threatened disputes
         or disagreements with respect to any such agreement.

4.21.3.  Intellectual Property Necessary for the Business; Employee Agreements.

         (a)      Except as set forth in Schedule 4.21.3 and except where a
                  failure to do so would not have a Material Adverse Effect,
                  Entevo and its Subsidiaries either own or have adequate rights
                  to use, on a royalty-free basis, all of the patents,
                  trademarks, copyrights, trade secrets, mask works, or other
                  intellectual property rights that are necessary to and
                  currently used for their respective business as now conducted,
                  free and clear of all liens other than those that may be
                  specified herein or in Schedule 4.21.3.

         (b)      Except as set forth in Schedule 4.21.3, each present and
                  former employee of Entevo and its Subsidiaries has executed a
                  confidentiality, nondisclosure and intellectual property
                  assignment agreement substantially in the form attached to
                  Schedule 4.21.3.

4.21.4.  Patents.

         (a)      Entevo does not own patents.

         (b)      To Entevo's Knowledge, neither the Entevo-Owned Software nor
                  the making or sale or other distribution of copies thereof,
                  nor the use thereof in accordance with the associated
                  documentation or advertising, nor any process or know-how used
                  by Entevo, infringes or has been alleged (formally or
                  informally) to infringe any patent or other proprietary right
                  of any other Person anywhere in the world or to require a
                  license under the same.

4.21.5.  Trademarks.

         (a)      Schedule 4.21.5 contains a complete and accurate list of all
                  Marks. Except as set forth on Schedule 4.21.5, Entevo is the
                  owner of all right, title and interest in and to each of the
                  Marks, free and clear of all liens and security interests.

         (b)      Except as set forth in Schedule 4.21.5, all Marks that have
                  been registered with the United States Patent and Trademark
                  Office are currently in compliance with all formal legal
                  requirements (including the timely post-registration filing of
                  affidavits of use and incontestability and renewal
                  applications), and, to the



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                                       37           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   43

                  knowledge of Entevo and the Representing Stockholders, are
                  valid and enforceable and are not subject to any maintenance
                  fees or taxes or actions falling due within 90 days after the
                  Closing Date.

         (c)      To Entevo's or any of the Representing Stockholders'
                  Knowledge, no Mark has been or is now involved in any
                  opposition, invalidation or cancellation and, to Entevo's or
                  the Representing Stockholders' Knowledge, no such action is
                  Threatened with the respect to any of the Marks.

         (d)      To Entevo's or any of the Representing Stockholders'
                  Knowledge, there is no trademark of any third party that is
                  confusingly similar to any of the Marks.

         (e)      To Entevo's or any of the Representing Stockholders'
                  Knowledge, (i) no Mark is infringed or has been challenged or
                  threatened in any way as to its validity; and (ii) none of the
                  Marks used by Entevo infringes or has been alleged (formally
                  or informally) to infringe any trade name, trademark or
                  service mark of any third party anywhere in the world.

4.21.6.  Copyrights. (a) Except as provided in Schedule 4.21.6, Entevo does not
         own any Copyright registration. registrations, and (b) neither the
         Entevo-Owned Software nor the making or sale or other distribution of
         copies thereof, nor the use thereof in accordance with the associated
         documentation or advertising, nor any process or know-how used by
         Entevo, infringes or has been alleged (formally or informally) to
         infringe any copyright of any other Person anywhere in the world.

4.21.7.  Trade Secrets.

         (a)      Entevo has taken all reasonable precautions to protect the
                  secrecy, confidentiality and value of its Trade Secrets.

         (b)      Entevo has good title or sufficient right to use the Trade
                  Secrets. To the Knowledge of Entevo and the Representing
                  Stockholders, the Trade Secrets (i) are not part of the public
                  knowledge or literature, (ii) as to Entevo-owned Trade
                  Secrets, have not been used, divulged or appropriated either
                  for the benefit of any Person (other than Entevo) or to the
                  detriment of Entevo, and (iii) have not been challenged or
                  threatened formally or informally, as to their protectability
                  in any way.

         (c)      To the Knowledge of Entevo and the Representing Stockholders,
                  neither the Entevo-Owned Software nor the making or sale or
                  other distribution of copies thereof, nor the use thereof in
                  accordance with the associated documentation or advertising,
                  nor any process or know-how used by Entevo, constitutes or has
                  been alleged (formally or informally) to constitute
                  misappropriation of any trade secret of any other Person
                  anywhere in the world.

4.21.8.  Privacy Laws. To the Knowledge of Entevo and the Representing
         Stockholders, no Person has alleged (formally or informally) to Entevo
         or any of its Subsidiaries that Entevo or a Subsidiary thereof has
         violated any applicable privacy law.



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                                       38           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   44

4.22. ABSENCE OF CERTAIN PAYMENTS AND TRANSACTIONS.

4.22.1.  Neither Entevo nor any director, officer, agent or employee of Entevo,
         or any other Person associated with or acting for or on behalf of
         Entevo, has directly or indirectly made any improper or unlawful
         contribution, gift, bribe, rebate, payoff, influence payment, kickback
         or other payment to any Person, private or public, regardless of form,
         whether in money, property or services (i) to obtain favorable
         treatment in securing business, (ii) to pay for favorable treatment for
         business secured, (iii) to obtain special concessions or for special
         concessions already obtained, for or with respect to Entevo or any
         Related Person of Entevo or (iv) in violation of any Legal Requirement.

4.22.2.  Entevo has made and keeps books, records, and accounts, which, in
         reasonable detail, accurately and fairly reflect the transactions and
         dispositions of the assets of the issuer. Entevo has devised and
         maintains a system of internal accounting controls sufficient to
         provide reasonable assurances that (i) transactions involving Entevo's
         Assets are executed in accordance with management's general or specific
         authorization; (ii) such transactions are recorded as necessary (A) to
         permit preparation of financial statements in conformity with generally
         accepted accounting principles or any other criteria applicable to such
         statements, and (B) to maintain accountability for assets; (iii) access
         to Entevo's Assets is permitted only in accordance with management's
         general or specific authorization; and (iv) the recorded accountability
         for Entevo's Assets is compared with its existing Assets at reasonable
         intervals and appropriate action is taken with respect to any
         differences.

4.23. FULL DISCLOSURE.

No representation or warranty of Entevo or of the Representing Stockholders in
this Agreement (including the Schedules) omits to state a material fact
necessary to make the statements herein or therein, in light of the
circumstances in which they were made, not misleading.

4.24. NO BROKERS OR FINDERS.

Except as set forth on Schedule 4.24, which Schedule identifies the full
liability therefor, Entevo and its agents have incurred no obligation or
liability, contingent or otherwise, for brokerage or finders' fees or agents'
commissions or other similar payment in connection with this Agreement.

4.25. YEAR 2000 COMPLIANCE.

To the Knowledge of Entevo or any of the Representing Stockholders, with respect
to any essential computer software, hardware, product or service utilized by
Entevo in its Ordinary Course of Business, each of such computer software,
hardware, product or service is Year 2000 compliant (as defined in Section
4.17.4(b)), except in such case where the failure to do so would not have a
Material Adverse Effect upon Entevo.



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                                       39           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   45

4.26. CUSTOMERS AND SUPPLIERS.

4.26.1.  Schedule 4.26 sets forth a true and correct list of (a) the ten largest
         customers of Entevo in terms of sales during the fiscal year ended
         December 31, 1998, and (b) the ten largest customers of Entevo in terms
         of sales during the period from January 1, 1999 through the date of the
         Latest Balance Sheet, showing the approximate total sales to each such
         customer during each of such periods.

4.26.2.  Schedule 4.26 sets forth a true and correct list of (a) the ten largest
         suppliers of Entevo in terms of purchases during the fiscal year ended
         December 31, 1998, and (b) the ten largest suppliers of Entevo in terms
         of purchases during the period from January 1, 1999 through the date of
         the Latest Balance Sheet, showing the approximate total purchases from
         each such supplier during such respective periods.

4.26.3.  To the knowledge of Entevo and the Representing Stockholders, except to
         the extent set forth in Schedule 4.26, there has not been any material
         adverse change in the business relationship of Entevo with any customer
         or supplier so named in Schedule 4.26.

4.27. TAX MATTERS.

4.27.1.  Other than in the Ordinary Course of Business, Entevo did not and will
         not make any transfer of any of the Assets in contemplation of the
         Merger or during the period ending at the Effective Time and beginning
         with the commencement of negotiations (whether formal or informal) with
         BindView regarding the Merger (or any other form of disposition of the
         Assets or capital stock of Entevo, other than in the Ordinary Course of
         Business). For the purposes of this Section 4.27.1, a transfer of
         Assets includes any distribution of Assets with respect to capital
         stock or in redemption of capital stock.

4.27.2.  At the Effective Time, Entevo will hold at least 90% of the fair market
         value of the net assets and at least 70% of the fair market value of
         the gross assets held by Entevo immediately prior to the Merger.

4.28. SECURITIES LAW MATTERS.

4.28.1.  The representations and warranties of each Stockholder made to BindView
         in documents delivered as of the date hereof are incorporated herein as
         representations of Entevo.

4.29. RELATIONSHIPS WITH RELATED PERSONS.

4.29.1.  Neither the Representing Stockholders nor any Related Person of Entevo
         or any of the Representing Stockholders has, or since January 1, 1998
         has had, any interest in any Facilities or Assets used in or pertaining
         to Entevo's business.

4.29.2.  Except as set forth on Schedule 4.29.2, neither the Representing
         Stockholders nor any Related Person of Entevo or any of the
         Representing Stockholders is, or since January 1, 1998 has owned (of
         record or as a beneficial owner) an equity interest or any other
         financial or profit interest in, a Person that has (a) had business
         dealings or a material financial interest in any transaction with
         Entevo other than business dealings or



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                                       40           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   46

         transactions with investment entities with which directors of Entevo
         are affiliated or business dealings or transactions conducted in the
         Ordinary Course of Business with Entevo at substantially prevailing
         market prices and on substantially prevailing market terms or (b)
         engaged in competition with Entevo with respect to any line of the
         products or services of Entevo in any market presently served by
         Entevo, except for ownership of less than one percent of the
         outstanding capital stock of any such Person that is publicly traded on
         any national securities exchange quoted on any national automated
         quotation system or traded in the over-the-counter market.

4.29.3.  Except as set forth in Schedule 4.29, neither the Representing
         Stockholders nor any Related Person of Entevo or any of the
         Representing Stockholders is a party to any material Contract with, or
         has any claim or right against, Entevo.

         ARTICLE 5. REPRESENTATIONS AND WARRANTIES OF BINDVIEW AND BAC

BindView and BAC each represents and warrants to Entevo and the Representing
Stockholders as follows:

5.1. ORGANIZATION AND GOOD STANDING.

BindView is a corporation duly organized, validly existing and in good standing
under the laws of the State of Texas. BAC is a corporation duly organized,
validly existing and in good standing under the laws of the State of Delaware.
Each of BindView and BAC has full corporate power and authority to conduct its
business as it is now being conducted, to own or use the properties and is duly
qualified to transact business as a foreign corporation and is in good standing
under the laws of each state or other jurisdiction in which either the ownership
or use of the properties owned or used by it, or the nature of the activities
conducted by it, requires such qualification.

5.2. AUTHORITY; NO CONFLICT.

5.2.1.   This Agreement constitutes the legal, valid and binding obligation of
         BindView and BAC, enforceable against BindView and BAC in accordance
         with its terms. Upon the execution and delivery by BindView and BAC of
         the Indemnity Escrow Agreement and the Registration Rights Agreement
         (collectively, the "BindView Closing Documents"), the BindView Closing
         Documents will constitute the legal, valid and binding obligations of
         BindView and BAC, enforceable against BindView and BAC in accordance
         with their respective terms. BindView and BAC have the absolute and
         unrestricted right, power and authority to execute and deliver this
         Agreement and the BindView Closing Documents and to perform their
         obligations under this Agreement and the BindView Closing Documents.

5.2.2.   Except as set forth in Schedule 5.2, neither the execution and delivery
         of this Agreement or the BindView Closing Documents by BindView or BAC
         nor the consummation or performance of any of the Contemplated
         Transactions by BindView or BAC will give any Person the right to
         prevent, delay or otherwise interfere with any of the Contemplated
         Transactions pursuant to:

         (a)      any provision of BindView's or BAC's Organizational Documents;



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                                       41           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   47

         (b)      any resolution adopted by the board of directors or the
                  stockholders of BindView or BAC;

         (c)      any Legal Requirement or Order to which BindView or BAC may be
                  subject; or

         (d)      any Contract to which BindView or BAC is a party or by which
                  BindView or BAC may be bound.

5.2.3.   Except as set forth in Schedule 5.2, BindView and BAC are not and will
         not be required to obtain any Consent from any Person in connection
         with the execution and delivery of this Agreement or the consummation
         or performance of any of the Contemplated Transactions.

5.3. CERTAIN PROCEEDINGS.

There is no pending Proceeding that has been commenced against BindView or BAC
and that challenges, or may have the effect of preventing, delaying, making
illegal or otherwise interfering with any of the Contemplated Transactions. To
BindView's and BAC's Knowledge, no such Proceeding has been Threatened.

5.4. BROKERS OR FINDERS.

Except for Merrill Lynch & Co., the fees and expenses of which will be paid by
BindView, BindView and BAC and each of their officers and agents have incurred
no obligation or liability, contingent or otherwise, for brokerage or finders'
fees or agents' commissions or other similar payment in connection with this
Agreement.

5.5. BINDVIEW CAPITALIZATION.

5.5.1.   As of the date of this Agreement, the authorized capital stock of
         BindView consists of 100,000,000 shares of BindView Stock, of which
         23.35 million shares were outstanding as of the close of business on
         December 31, 1999, and 20,000,000 shares of preferred stock, par value
         $0.01 per share, of which no shares are outstanding. All of the
         outstanding shares of BindView Stock have been duly authorized and are
         validly issued, fully paid and nonassessable. BindView has no common
         stock or preferred stock reserved for issuance, except that, as of
         December 31, 1999, there were an aggregate of less than 10 million
         shares of BindView Stock reserved for issuance pursuant to BindView's
         stock option and incentive plans and a stand-alone warrant. Except as
         set forth above, there are no preemptive or other outstanding rights,
         options, warrants, conversion rights, stock appreciation rights,
         redemption rights, repurchase rights, agreements, arrangements or
         commitments to issue or to sell any shares of capital stock or other
         securities of BindView or any of its Subsidiaries or any securities or
         obligations convertible or exchangeable into or exercisable for, or
         giving any Person a right to subscribe for or acquire, any securities
         of BindView or any of its Subsidiaries, and no securities or obligation
         evidencing such rights are authorized, issued or outstanding. BindView
         does not have outstanding any bonds, debentures, notes or other
         obligations the holders of which have the right to vote (or convertible
         into or exercisable for securities having the right to vote) with the
         stockholders of BindView on any matter.



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                                       42           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   48

5.5.2.   Before the Closing, BindView will have taken all necessary action to
         permit it to issue the number of shares of BindView Stock to be issued
         as Consideration pursuant to Section 2.3. The Consideration, when
         issued, will be validly issued, fully paid and nonassessable, and no
         stockholder of BindView will have any preemptive right of subscription
         or purchase in respect thereof.

5.6. BAC CAPITALIZATION.

The authorized capital stock of BAC consists of 1,000 shares of BAC Stock, of
which 1,000 shares were outstanding as of the close of business on the date of
this Agreement. All of the outstanding shares of BAC Stock have been duly
authorized and are validly issued, fully paid and nonassessable. BAC has no BAC
Stock reserved for issuance. Except as set forth above, there are no preemptive
or other outstanding rights, options, warrants, conversion rights, stock
appreciation rights, redemption rights, repurchase rights, agreements,
arrangements or commitments to issue or to sell any shares of capital stock or
other securities of BAC or any of its Subsidiaries or any securities or
obligations convertible or exchangeable into or exercisable for, or giving any
Person a right to subscribe for or acquire, any securities of BAC or any of its
Subsidiaries, and no securities or obligation evidencing such rights are
authorized, issued or outstanding. BAC does not have outstanding any bonds,
debentures, notes or other obligations the holders of which have the right to
vote (or convertible into or exercisable for securities having the right to
vote) with the stockholders of BAC on any matter.

5.7. BINDVIEW SEC REPORTS.

BindView has delivered to Entevo (1) BindView's Annual Report on Form 10-K for
the year ended December 31, 1998 and (2) BindView's Quarterly Reports on Form
10-Q for the quarters ended March 31, 1999, June 30, 1999 and September 30,
1999, filed with the SEC under the Exchange Act (collectively, the "BindView SEC
Reports"). As of their respective dates, the BindView SEC Reports did not, and
any BindView SEC Reports filed with the SEC subsequent to the date hereof 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 made
therein, in light of the circumstances in which they were made, not misleading.
Each of the consolidated balance sheets included in or incorporated by reference
into the BindView SEC Reports (including the related notes and schedules) fairly
presents the consolidated financial position of BindView and its Subsidiaries as
of its date and each of the consolidated statements of income and of cash flow
included in the BindView SEC Reports (including any related notes and schedules)
fairly presents the results of operations, retained earnings and changes in cash
flow, as the case may be, of BindView and its Subsidiaries for the periods set
forth therein (subject, in the case of unaudited statements, to notes and normal
year end audit adjustments that will not be material in amount or effect), in
each case in accordance with GAAP consistently applied during the periods
involved, except as may be noted therein.

5.8. LITIGATION.

There is no action, suit, proceeding, claim, arbitration or investigation
pending, or as to which BindView has received any notice of assertion against
BindView which in any manner challenges or seeks to prevent, enjoin, alter or
materially delay any of the transactions



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                                       43           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   49

contemplated in this Agreement or which would reasonably be expected to have a
Material Adverse Effect upon BindView.

5.9. NO MATERIAL ADVERSE CHANGE.

Since September 30, 1999, BindView has conducted its business in the ordinary
course and there has not occurred: (1) any change in the results of operations,
properties or financial condition of BindView that would result in a Material
Adverse Effect on BindView; (2) any amendment or change to the Articles of
Incorporation or Bylaws of BindView; or (3) any damage to, destruction or loss
of any assets of BindView, (whether or not covered by insurance) that would
result in a Material Adverse Effect on BindView.

5.10. TAX MATTERS

BindView has no plan or intention of entering into any transaction following the
Merger that would prevent Entevo from holding at least 90% of the fair market
value of the net assets and at least 70% of the fair market value of the gross
assets held by Entevo immediately prior to the Merger.

5.11. POOLING

To the Knowledge of BindView, BindView is eligible to use "pooling of interests"
accounting treatment for the Merger.

        ARTICLE 6. COVENANTS OF ENTEVO AND THE REPRESENTING STOCKHOLDERS

6.1. OPERATION OF THE BUSINESSES OF ENTEVO.

Between the date of this Agreement and the Closing Date, Entevo will, and the
Representing Stockholders will cause Entevo to:

6.1.1.   conduct the business of Entevo only in the Ordinary Course of Business,
         consistent with past practices;

6.1.2.   use its Best Efforts to preserve intact the current business
         organization of Entevo, keep available the services of the current
         officers, employees and agents of Entevo and maintain the relations and
         good will with suppliers, customers, landlords, creditors, employees,
         agents and others having business relationships with Entevo;

6.1.3.   confer with BindView concerning operational matters of a material
         nature; and

6.1.4.   otherwise report periodically to BindView regarding the status of the
         business, operations and finances of Entevo.



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                                       44           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   50

6.2. NEGATIVE COVENANTS.

Except as otherwise expressly permitted by this Agreement, between the date of
this Agreement and the Closing Date, Entevo will not without the prior consent
of BindView,

6.2.1.   take any action that would jeopardize treatment of the Contemplated
         Transactions as a "pooling of interests" for accounting purposes;

6.2.2.   take any affirmative action, or fail to take any reasonable action
         within its or their control, as a result of which any of the changes or
         events listed in Section 4.15 is likely to occur;

6.2.3.   pay, make or declare any distribution or dividend, including any
         special or regular bonuses (other than those regular bonuses paid in
         the Ordinary Course of Business and described on Schedule 6.2.3, which
         may be paid only with BindView's prior consent, which consent may not
         be withheld unless BindView receives written advice from its
         independent accountants that such payment would violate Section 6.2.1)
         that would otherwise be payable to the Securityholders during such time
         period, to the Securityholders;

6.2.4.   issue any additional equity interests in Entevo (including any Entevo
         Stock or Entevo Options), other than the issuance of Entevo Stock
         pursuant to validly exercised Entevo Options outstanding on the date
         hereof and reflected in the Schedules hereto;

6.2.5.   prepay or amend the provisions of any term indebtedness for borrowed
         money of Entevo existing as of the date hereof; or

6.2.6.   take any action that is not in the Ordinary Course of Business.

6.3. REQUIRED APPROVALS.

As promptly as practicable after the date of this Agreement, Entevo will make
all filings required by Legal Requirements to be made by them in order to
consummate the Contemplated Transactions, including filings under the Hart-Scott
Rodino Antitrust Improvements Act of 1976. Between the date of this Agreement
and the Closing Date, Entevo will, and the Representing Stockholders will cause
Entevo to, (1) cooperate with BindView with respect to all filings that BindView
elects to make or is required by Legal Requirements to make in connection with
the Contemplated Transactions and (2) cooperate with BindView in obtaining all
consents identified in Schedule 4.2.

6.4. NOTIFICATION.

Between the date of this Agreement and the Closing Date, Entevo and each
Representing Stockholder will promptly notify BindView in writing if Entevo or
such Representing Stockholder becomes aware of any fact or condition that causes
or constitutes a Breach of any of Entevo's or the Representing Stockholders'
representations and warranties as of the date of this Agreement, or if Entevo or
such Representing Stockholder becomes aware of the occurrence after the date of
this Agreement of any fact or condition that would (except as expressly



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                                       45           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   51

contemplated by this Agreement) cause or constitute a Breach of any such
representation or warranty, had such representation or warranty been made as of
the time of occurrence or discovery of such fact or condition. During the same
period, Entevo and each Representing Stockholder will promptly notify BindView
of the occurrence of any Breach of any covenant of Entevo or the Representing
Stockholders in this Article 6 or of the occurrence of any event that may make
the satisfaction of the conditions in Article 9 impossible or unlikely.

6.5. [RESERVED]

6.6. NO NEGOTIATION.

It being understood that holders of Entevo Stock representing sufficient voting
power to approve the Merger in accordance with the GCLD have irrevocably adopted
this Agreement and approved the Merger, until such time, if any, as this
Agreement is terminated pursuant to Article 10, Entevo will not, and will cause
each of its Representatives not to, and the Representing Stockholders will not,
directly or indirectly solicit, initiate or encourage any inquiries or proposals
from, discuss or negotiate with or provide any non-public information to, any
Person (other than BindView and BAC) relating to any transaction involving the
sale of Entevo Stock or the business or Assets (other than the sale of Assets
and inventory in the Ordinary Course of Business and the sale or issuance of
Entevo Stock pursuant to the exercise of options, warrants or any other rights
to acquire Entevo Stock outstanding on the date hereof and reflected in the
Schedules hereto) of Entevo, or any merger, consolidation, business combination
or similar transaction involving Entevo.

6.7. BEST EFFORTS.

Between the date of this Agreement and the Closing Date, Entevo and the
Representing Stockholders will use their Best Efforts to cause the conditions in
Articles 8 and 9 to be satisfied.

6.8. TRANSACTION EXPENSES.

Entevo shall not incur Transaction Expenses in excess of the amount indicated on
Schedule 6.8 (such amount being the "Estimated Transaction Expenses").

                    ARTICLE 7. COVENANTS OF BINDVIEW AND BAC

7.1. POOLING TREATMENT.

Neither BindView nor BAC will take any action that would jeopardize treatment of
the Contemplated Transactions as a "pooling of interests" for accounting
purposes

7.2. REQUIRED APPROVALS.

As promptly as practicable after the date of this Agreement, BindView and BAC
will, and will cause each of its Related Persons to, make all filings required
by Legal Requirements to be made by them to consummate the Contemplated
Transactions, including, if applicable, filings under the Hart-Scott Rodino
Antitrust Improvements Act of 1976. Between the date of this Agreement and the
Closing Date, BindView and BAC will, and will cause each Related Person to, (1)



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                                       46           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   52

cooperate with Entevo and the Stockholders with respect to all filings that
Entevo and the Stockholders are required by Legal Requirements to make in
connection with the Contemplated Transactions and (2) cooperate with Entevo and
the Stockholders in obtaining all consents identified in Schedule 4.2.

7.3. NOTIFICATION.

Between the date of this Agreement and the Closing Date, BindView and BAC will
promptly notify Entevo in writing if BindView and BAC become aware of any fact
or condition that causes or constitutes a Breach of any of BindView's and BAC's
representations and warranties as of the date of this Agreement, or if BindView
and BAC become aware of the occurrence after the date of this Agreement of any
fact or condition that would (except as expressly contemplated by this
Agreement) cause or constitute a Breach of any such representation or warranty,
had such representation or warranty been made as of the time of occurrence or
discovery of such fact or condition. During the same period, BindView and BAC
will promptly notify Entevo of the occurrence of any Breach of any covenant of
BindView and BAC become in this Article 7 or of the occurrence of any event that
may make the satisfaction of the conditions in Article 8 impossible or unlikely.

7.4. BEST EFFORTS.

Between the date of this Agreement and the Closing Date, BindView and BAC will
use their Best Efforts to cause the conditions in Articles 8 and 9 to be
satisfied.

7.5. STOCK EXCHANGE LISTING.

BindView shall use its Best Efforts to list on the Nasdaq Stock Market the
shares of BindView Stock to be issued in connection with the Merger and upon
exercise of Substitute Options.

7.6. ENTEVO OPTIONS; ENTEVO WARRANTS.

         (a)      Concurrent with the Effective Time, Entevo each Entevo Option
                  outstanding on the date hereof and identified in the Schedules
                  hereto that has been issued pursuant to Entevo's 1997 Stock
                  Plan and Entevo's 1998 Indian Stock Option Plan in effect on
                  the date hereof (the "Stock Plans") shall be assumed by
                  BindView and become and represent an option (a "Substitute
                  Option") issued under an appropriate BindView stock option
                  plan, to purchase the number of shares of BindView Stock
                  (decreased to the nearest full share) determined by
                  multiplying (i) the number of shares of Entevo Stock subject
                  to such Entevo Option immediately prior to the Effective Time
                  by (ii) the Common Stock Exchange Ratio, which Entevo Options
                  shall have an exercise price per share of BindView Stock
                  (rounded up to the nearest tenth of a cent) equal to the
                  exercise price per share of Entevo Stock immediately prior to
                  the Effective Time divided by the Common Stock Exchange Ratio.
                  After the Effective Time, except as provided herein, each
                  Substitute Option shall be exercisable upon the same terms and
                  conditions as were applicable under the related Entevo Option
                  immediately prior to the Effective Time. Entevo agrees that it
                  will not grant any stock appreciation rights or limited stock
                  appreciation rights and will not permit cash



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                                       47           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   53

                  payments to holders of Entevo Options in lieu of the
                  substitution therefor of Substitute Options.

         (b)      The adjustments provided herein with respect to any Entevo
                  Options that are "Incentive Stock Options" as defined in
                  Section 422 of the Code shall be and are intended to be
                  effected in a manner which is consistent with Section 424(a)
                  of the Code.

         (c)      As soon as practicable after the Effective Time, BindView
                  shall deliver to the holders of Entevo Options appropriate
                  notices setting forth such holders' rights pursuant to the
                  Stock Plans and the agreements evidencing the grants of such
                  Entevo Options and that such Entevo Options and agreements
                  shall be assumed by BindView and shall continue in effect on
                  the same terms and conditions (subject to the adjustment set
                  forth in this Section 7.6).

         (d)      As soon as practicable after the Effective Time, BindView
                  shall prepare and file with the SEC a registration statement
                  on Form S-8 (or another appropriate form) registering a number
                  of shares subject to the Substitute Options. Such registration
                  statement shall be kept effective (and the current status of
                  the prospectus required thereby shall be maintained in
                  accordance with the relevant requirements of the Securities
                  Act and the Exchange Act) at least for so long as any
                  Substitute Options remain outstanding.

         (e)      Concurrent with the Effective Time, each Entevo Option
                  outstanding on the date hereof and identified in the Schedules
                  hereto that was not issued pursuant to a Stock Plan (each, an
                  "Entevo Warrant"), without any action on the part of the
                  holder, shall be deemed to constitute a warrant to acquire, on
                  the same terms and conditions as were applicable under such
                  Entevo Warrant, a number of shares of BindView Stock
                  equivalent to (1) the number of shares that could have been
                  purchased immediately prior to the Effective Time under such
                  Entevo Warrant multiplied by (2) the Common Stock Exchange
                  Ratio (rounded down to the nearest whole number), at a price
                  per share of BindView Stock (rounded up to the nearest tenth
                  of a cent) equal to the exercise price per share pursuant to
                  such Entevo Warrant immediately prior to the Effective Time
                  divided by the Common Stock Exchange Ratio. At or prior to the
                  Effective Time, Entevo shall make all necessary arrangements
                  with respect to the Entevo Warrants to permit the assumption
                  of the unexercised Entevo Warrants by BindView pursuant to
                  this Section 7.6(e).

7.7. NONTAXABLE REORGANIZATION.

BindView intends for the Merger to qualify as a reorganization under Section
368(a) of the IRC; BindView and its affiliates shall use commercially reasonable
efforts to cause the Merger to so qualify; BindView and its affiliates will take
the position for all purposes that the Merger so qualifies; and BindView and its
affiliates shall not take any action other than the consummation of the
transactions contemplated herein that would cause the Merger (i) not to so
qualify or (ii) to become taxable to any of the Stockholders immediately prior
to the Closing Date.



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                                       48           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   54

7.8. INDEMNIFICATION OF ENTEVO OFFICERS AND DIRECTOR; INSURANCE

BindView agrees for a period of six years following the Closing Date, to fulfill
and honor in all respects any obligations of Entevo to indemnify each person who
is or was a director or officer of Entevo pursuant to any indemnification
provisions of Entevo's Certificate of Incorporation or By-Laws as each is in
effect on December 31, 1999; provided that nothing in this section shall prevent
BindView from effecting any merger, reorganization or consolidation of Entevo.
This Section 7.10 is intended to be for the benefit of, and shall be enforceable
by, the indemnified parties referred to herein, their heirs and personal
representatives and shall be binding on BindView and its successors and assigns.

        ARTICLE 8. CONDITIONS PRECEDENT TO ENTEVO'S OBLIGATION TO CLOSE

Entevo's obligation to consummate the Contemplated Transactions is subject to
the satisfaction, at or before Closing, of each of the following conditions, any
of which may be waived by Entevo, in whole or in part; provided, however, that
Entevo's election to proceed with the Closing shall not be deemed a waiver of
any breach of any representation, warranty or covenant contained herein, whether
or not known to Entevo or existing on the Closing Date.

8.1. ACCURACY OF REPRESENTATIONS.

All of BindView's and BAC's representations and warranties in this Agreement
(considered collectively) shall have been accurate in all material respects as
of the date of this Agreement, and will be accurate in all material respects as
of the Closing Date as if made on the Closing Date, without regard to
materiality qualifications contained in any such representation or warranty. For
purposes of determining whether a breach of a representation or warranty has
occurred, and determining the amount of damage suffered by a Stockholder as a
result thereof for purposes of Section 11.3 hereof, the materiality limitation
set forth in the certificates delivered by BindView and the BAC at the Closing
shall be disregarded and BindView and BAC shall be deemed to have made the
representations and warranties set forth in Article 5 on the Closing Date as if
they were made on such date.

8.2. BINDVIEW'S AND THE BAC'S PERFORMANCE.

All of the covenants and obligations that BindView and BAC are required to
perform or to comply with pursuant to this Agreement at or prior to the Closing
(considered collectively), and each of these covenants and obligations
(considered individually), have been duly performed and complied with in all
material respects.

8.3. CONSENTS.

Each of the Consents identified in Schedule 5.2 shall have been obtained and
shall be in full force and effect.

8.4. NO PROCEEDINGS.

Since the date of this Agreement, there has not been commenced or Threatened
against Entevo or any Stockholder, or against any Person affiliated with Entevo
or any Stockholder, any



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                                       49           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   55

Proceeding (1) involving any challenge to, or seeking damages or other relief in
connection with, any of the Contemplated Transactions or (2) that may have the
effect of preventing, delaying, making illegal or otherwise interfering with any
of the Contemplated Transactions.

8.5. CLOSING CERTIFICATE.

BindView and BAC shall have executed and delivered to Entevo and the
Stockholders' Representative a certificate, dated the Closing Date, as to the
satisfaction of the conditions set forth in Sections 8.1 and 8.2 and, to the
Knowledge of each Person signing the certificate, the satisfaction of the
conditions set forth in Section 8.3.

8.6. INDEMNITY ESCROW AGREEMENT.

Entevo and the Stockholders' Representative shall have received a copy of the
Indemnity Escrow Agreement, duly executed by the Indemnity Escrow Agent and
BindView.

8.7. REGISTRATION RIGHTS AGREEMENT.

Entevo and the Stockholders' Representative shall have received a copy of the
Registration Rights Agreement in substantially the form attached as Exhibit D,
duly executed by BindView.

8.8. OPINION OF COUNSEL.

Entevo and the Stockholders' Representative shall have received an opinion of
Fulbright & Jaworski L.L.P., counsel to BindView and BAC, dated the Closing
Date, as to the matters set forth on Exhibit E.

8.9. TAX OPINION.

Entevo shall have received the opinion of Hogan & Hartson L.L.P., counsel to
Entevo, dated the Closing Date, to the effect that the Merger is a
"reorganization" under Section 368(a) of the IRC. In rendering such opinion,
Hogan & Hartson shall require delivery of and rely upon the representations
letter delivered by BindView and Entevo in customary form.

8.10. NO MATERIAL ADVERSE CHANGE.

Since the date of this Agreement, there shall not have been any change in the
business, operations, properties, prospects, Assets or condition of BindView and
BAC that could reasonably be expected to result in a Material Adverse Effect to
BindView and BAC, and no event has occurred or circumstances exists that could
reasonably be expected to result in a Material Adverse Effect to BindView and
BAC.

  ARTICLE 9. CONDITIONS PRECEDENT TO BINDVIEW'S AND BAC'S OBLIGATION TO CLOSE

BindView's and BAC's obligation to consummate the Contemplated Transactions is
subject to the satisfaction, at or before Closing, of each of the following
conditions, any of which may be waived by BindView and BAC, in whole or in part;
provided, however, that BindView's and



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                                       50           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   56

BAC's election to proceed with the Closing shall not be deemed a waiver of any
breach of any representation, warranty or covenant contained herein, whether or
not known to BindView or BAC or existing on the Closing Date.

9.1. ACCURACY OF REPRESENTATIONS.

All of Entevo's and the Representing Stockholders' representations and
warranties in this Agreement (considered collectively) shall have been accurate
in all material respects as of the date of this Agreement, and will be accurate
in all material respects as of the Closing Date as if made on the Closing Date,
without regard to materiality qualifications contained in any such
representation or warranty. For purposes of determining whether a breach of a
representation or warranty has occurred, and determining the amount of damage
suffered by an Indemnified Person as a result thereof for purposes of Section
11.2 hereof, the materiality limitation set forth in the certificates delivered
by Entevo and the Representing Stockholders at the Closing shall be disregarded
and Entevo and the Representing Stockholders shall be deemed to have made the
representations and warranties set forth in Article 4 on the Closing Date as if
they were made on such date.

9.2. ENTEVO'S AND THE REPRESENTING STOCKHOLDERS' PERFORMANCE.

All of the covenants and obligations that Entevo and the Representing
Stockholders are required to perform or to comply with pursuant to this
Agreement at or prior to the Closing (considered collectively), and each of
these covenants and obligations (considered individually), have been duly
performed and complied with in all material respects.

9.3. CONSENTS.

Each of the Consents identified in Schedule 4.2 shall have been obtained and
shall be in full force and effect.

9.4. NO PROCEEDINGS.

Since the date of this Agreement, there has not been commenced or Threatened
against BindView or BAC, or against any Person affiliated with BindView or BAC,
any Proceeding (i) involving any challenge to, or seeking damages or other
relief in connection with, any of the Contemplated Transactions or (ii) that may
have the effect of preventing, delaying, making illegal or otherwise interfering
with any of the Contemplated Transactions.

9.5. NO CLAIM REGARDING STOCK OWNERSHIP OR SALE PROCEEDS.

There has not been made or Threatened by any Person not a Securityholder any
claim asserting that such Person (i) is the holder or the beneficial owner of,
or has the right to acquire or to obtain beneficial ownership of, any stock of,
or any other voting, equity or ownership interest in, Entevo or (ii) is entitled
to all or any portion of the Consideration payable for Entevo Stock.



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                                       51           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   57

9.6. NO MATERIAL ADVERSE CHANGE.

Since the date of the Latest Balance Sheet, except as expressly stated in the
Schedules, there shall not have been any change in the business, operations,
properties, prospects, Assets or condition of Entevo and its Subsidiaries that
could reasonably be expected to result in a Material Adverse Effect to Entevo
and its Subsidiaries, taken as a whole, and no event shall have occurred or
circumstance exist that could reasonably be expected to result in a Material
Adverse Effect to Entevo and its Subsidiaries, taken as a whole.

9.7. CLOSING CERTIFICATE.

Entevo shall have executed and delivered to BindView and BAC a certificate,
dated the Closing Date, as to the satisfaction of the conditions set forth in
Sections 9.1 and 9.2 and, to the Knowledge of the Person signing the
certificate, the satisfaction of the conditions set forth in Sections 9.5, 9.6
and 9.7.

9.8. POOLING MATTERS.

BindView shall have received a written opinion of PricewaterhouseCoopers L.L.P.
that, in accordance with generally accepted accounting principles and applicable
rules and regulations of the SEC, each of BindView and Entevo is a poolable
entity and the Merger pursuant to this Agreement will be treated as a "pooling
of interests" for accounting purposes.

9.9. INDEMNITY ESCROW AGREEMENT.

BindView and BAC shall have received a copy of the Indemnity Escrow Agreement,
duly executed by the Indemnity Escrow Agent, Entevo and the Stockholders'
Representative.

9.10. [RESERVED].

9.11. OPINIONS OF COUNSEL.

BindView and BAC shall have received an opinion of Hogan & Hartson L.L.P.,
counsel to Entevo, dated the Closing Date, as to the matters set forth on
Exhibit F.

9.12. TAX OPINION.

BindView shall have received the opinion of Fulbright & Jaworski L.L.P., counsel
to BindView, dated the Closing Date, to the effect that the Merger is a
"reorganization" under Section 368(a) of the IRC. In rendering such opinion,
Fulbright & Jaworski shall require delivery of and rely upon the representations
letter delivered by BindView and Entevo in customary form.

9.13. NONCOMPETE AGREEMENTS.

BindView shall have received duly executed noncompete agreements in the form
attached as Exhibit H from each of the Representing Stockholders.



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                                       52           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   58

                            ARTICLE 10. TERMINATION

10.1. TERMINATION EVENTS.

This Agreement may, by notice given prior to or at the Closing, be terminated:

10.1.1.  by either BindView or Entevo if a material Breach of any provision of
         this Agreement has been committed by the other party and such Breach
         has not been waived and is not reasonably capable of being cured prior
         to Closing;

10.1.2.  (a) by BindView or BAC if any of the conditions in Article 9 has not
         been satisfied as of the Closing Date or if satisfaction of such a
         condition is or becomes impossible (other than through the failure of
         BindView or BAC to comply with any of its obligations under this
         Agreement) and BindView or BAC has not waived such condition on or
         before the Closing Date; or (b) by Entevo if any of the conditions in
         Article 8 has not been satisfied as of the Closing Date or if
         satisfaction of such a condition is or becomes impossible (other than
         through the failure of Entevo to comply with any of its obligations
         under this Agreement) and Entevo has not waived such condition on or
         before the Closing Date;

10.1.3.  by mutual consent of BindView and Entevo; or

10.1.4.  by BindView or Entevo if (a) the Closing has not occurred (other than
         through the failure of any party seeking to terminate this Agreement to
         comply fully with its obligations under this Agreement) on or before
         May 15, 2000, or such later date as the parties may agree upon in
         writing or (b) any court of competent jurisdiction in the United States
         or other United States governmental authority shall have issued an
         order, decree, ruling or taken any other action restraining, enjoining
         or otherwise prohibiting the Merger and such order, decree, ruling or
         other action shall have become final and nonappealable.

10.2. EFFECT OF TERMINATION.

10.2.1.  Subject to Section 10.2.2, each party's right of termination under
         Section 10.1 is in addition to any other rights it may have under this
         Agreement or otherwise, and the exercise of a right of termination will
         not be an election of remedies. If this Agreement is terminated
         pursuant to Section 10.1, all further obligations of the parties under
         this Agreement will terminate, except that the obligations in Sections
         12.1 and 12.3 will survive; provided, however, that if this Agreement
         is terminated by a party because of the Breach of this Agreement by the
         other party or because one or more of the conditions to the terminating
         party's obligations under this Agreement is not satisfied as a result
         of the other party's failure to comply with its obligations under this
         Agreement, the terminating party's right to pursue all legal remedies
         will survive such termination unimpaired. In addition, upon such a
         termination as provided for in this Section 10, each of Entevo,
         BindView and BAC shall return any and all information, documents and
         data obtained in connection with this transaction to the owner of such
         information, documents and data within the five business days following
         such confirmed termination.

10.2.2.  If BindView or BAC terminates this Agreement pursuant to Section
         10.1.2(a) following a Breach by Entevo of Section 6.2.1, and if, within
         six months of such termination, Entevo



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                                       53           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   59

         or any of the Stockholders enter into an agreement or letter of intent
         contemplating an Acquisition Transaction, Entevo will pay BindView,
         upon consummation of such transaction, an amount equal to 9.9% of the
         total consideration to be received by Entevo or the Stockholders, as
         applicable, from the Acquisition Transaction. For purposes of this
         clause, the term "Acquisition Transaction" means, whether effected in
         one transaction or a series of transactions, (x) any merger,
         consolidation, reorganization or other business combination pursuant to
         which the business of Entevo and its Subsidiaries is combined with that
         of any other Person, (y) the acquisition, directly or indirectly, by
         any other Person by way of a tender or exchange offer, negotiated
         purchase or other means of 50% or more of the then-outstanding Entevo
         Stock or (z) the acquisition, directly or indirectly, by any other
         Person of 50% or more of the assets of, or of any right to 50% or more
         of the revenues or income of, Entevo and its Subsidiaries by way of a
         negotiated purchase, lease, license, exchange, joint venture or other
         means.

                     ARTICLE 11. INDEMNIFICATION; REMEDIES

11.1. SURVIVAL; RIGHT TO INDEMNIFICATION NOT AFFECTED BY KNOWLEDGE.

All representations, warranties, covenants and obligations in this Agreement,
the Schedules, the supplements, the closing certificates delivered pursuant to
Sections 8.5 and 9.8 and any other certificates or document delivered pursuant
to this Agreement will survive the Closing for the periods set for in Section
11.4. The right of any party to indemnification, payment of Damages or any other
remedy based on such representations, warranties, covenants and obligations will
not be affected by any investigation conducted with respect to, or any Knowledge
acquired (or capable of being acquired) at any time by that party, whether
before or after the execution and delivery of this Agreement or the Closing
Date, with respect to the accuracy or inaccuracy of or compliance with, any such
representation, warranty, covenant or obligation.

11.2. INDEMNIFICATION AND PAYMENT OF DAMAGES BY THE STOCKHOLDERS.

Subject to the limitations set forth in this Article 11, the Stockholders (other
than any Dissenting Shareholders), jointly and severally, will indemnify and
hold harmless BindView and BAC, and their respective Representatives,
stockholders, controlling persons and affiliates (collectively, the "Indemnified
Persons") for, and will pay to the Indemnified Persons the amount of, any loss,
liability, claim, damage (including incidental and consequential damages),
expense (including costs of investigation and defense and reasonable attorneys'
fees) or diminution of value, whether or not involving a third-party claim
(collectively, "Damages"), arising, directly or indirectly, from or in
connection with:

11.2.1.  any Breach of any representation or warranty made by Entevo or the
         Stockholders (other than any Dissenting Shareholders) in this
         Agreement, the Letters of Transmittal or any other certificate or
         document delivered by Entevo or by the Stockholders, either
         individually or by the Stockholders' Representative, pursuant to this
         Agreement;

11.2.2.  any Breach of any representation or warranty made by Entevo or the
         Stockholders in this Agreement or the Letters of Transmittal as if such
         representation or warranty were made on and as of the Closing Date;



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                                       54           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   60

11.2.3.  any Breach by Entevo or the Representing Stockholders of any covenant
         or obligation of Entevo or the Representing Stockholders in this
         Agreement.

11.3. INDEMNIFICATION AND PAYMENT OF DAMAGES BY BINDVIEW AND BAC.

BindView and BAC will indemnify and hold harmless the Stockholders, and will pay
to the Stockholders the amount of any Damages arising, directly or indirectly,
from or in connection with:

11.3.1.  any Breach of any representation or warranty made by BindView or BAC in
         this Agreement or in any certificate delivered by BindView or BAC
         pursuant to this Agreement, or

11.3.2.  any Breach by BindView or BAC of any covenant or obligation of BindView
         or BAC in this Agreement.

11.4. TIME LIMITATIONS.

11.4.1.  Except as provided below, if the Closing occurs, the Stockholders will
         have no liability (for indemnification or otherwise) to BindView
         hereunder, unless on or before the first anniversary of the Closing
         Date BindView or BAC notifies the Stockholders' Representative of a
         claim specifying the factual basis of that claim in reasonable detail
         to the extent then known by BindView or BAC.

11.4.2.  If the Closing occurs, BindView and BAC will have no liability (for
         indemnification or otherwise) with respect to any representation or
         warranty, or covenant or obligation to be performed and complied with
         prior to the Closing Date, unless on or before the first anniversary of
         the Closing Date the Stockholders' Representative notifies BindView of
         a claim specifying the factual basis of that claim in reasonable detail
         to the extent then known by the Stockholders' Representative.

11.4.3.  The limitations of Sections 11.4.1 and 11.4.2 will not apply to

         (a)      any intentional Breach of any covenant or obligation, or

         (b)      Damages relating to actual fraud, or

         (c)      any Damages for undisclosed and unpaid Taxes of Entevo for any
                  period ending on or before the Effective Time incurred other
                  than in the Ordinary Course of Business or Damages or arising
                  from any Breach of Section 4.10, 4.12, or 4.27, in each case
                  where BindView makes a Claim therefor on or before the
                  expiration of the statute of limitations with respect to such
                  matter, or

         (d)      any Damages arising from a Breach of Section 4.3, 6.2.1 or
                  6.8; or

         (e)      any Damages arising from a Breach of Section 4.21.3, 4.21.6,
                  or 4.21.7.



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                                       55           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   61

11.4.4.  The Stockholders will have no liability (for indemnification or
         otherwise) to BindView hereunder for any Damages arising from a Breach
         of Section 4.21.3, 4.21.6, or 4.21.7 unless on or before the third
         anniversary of the Closing Date BindView or BAC notifies the
         Stockholders' Representative of a claim specifying the factual basis of
         that claim in reasonable detail to the extent then known by BindView or
         BAC.

11.5. LIMITATIONS ON AMOUNT - THE STOCKHOLDERS.

11.5.1.  Except as provided below, the Stockholders will have no liability (for
         indemnification or otherwise) to BindView hereunder, unless and until
         the total of all Damages with respect to such matters exceeds $250,000
         (the "Basket"), and then such liability shall include those Damages
         comprising the Basket amount.

11.5.2.  Except as provided below, the maximum amount of Damages that may be
         recovered from the Stockholders and the source of recovery shall be
         limited to the Indemnity Escrow Account pursuant to the Indemnity
         Escrow Agreement.

11.5.3.  The limitations of this Section 11.5 will not apply to damages relating
         to any intentional Breach of any covenant or obligation or actual
         fraud.

11.5.4.  The limitations of Section 11.5.1 and, with respect to the Representing
         Stockholders (who shall not be liable in excess of the amount of
         Consideration they receive in the Merger), Section 11.5.2 shall not
         apply to

         (a)      any Damages for undisclosed and unpaid Taxes of Entevo for any
                  period ending on or before the Effective Time incurred other
                  than in the Ordinary Course of Business or Damages or arising
                  from any Breach of Section 4.10, 4.12, or 4.27, in each case
                  where BindView makes a Claim therefor on or before the
                  expiration of the statute of limitations with respect to such
                  matter and in each case in excess of specific accruals
                  therefor on the Latest Balance Sheet, or

         (b)      any Damages arising from a Breach of Section 4.3, 4.21.3,
                  4.21.6, 4.21.7, 6.2.1 or 6.8;

         provided, in the case of this Section 11.5.4, that the Indemnity Escrow
         Account has first been exhausted.

11.6. LIMITATIONS ON AMOUNT - BINDVIEW AND BAC.

11.6.1.  BindView and BAC will have no liability (for indemnification or
         otherwise) with respect to the matters described in Section 11.3 until
         the total of all Damages with respect to such matters exceeds an amount
         equal to the Basket, and then such liability shall include those
         Damages comprising the Basket amount.

11.6.2.  The maximum amount of Damages for all matters that may be recovered
         from BindView and BAC under this Agreement shall be an amount equal to
         the market value at the Effective Time of the assets in the Escrow
         Account at the Effective Time.



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                                       56           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   62

11.6.3.  The limitations of this Section 11.6 will not apply to any intentional
         Breach by BindView or BAC of any covenant or obligation or to Damages
         relating to actual fraud.

11.7. INDEMNITY ESCROW.

Upon notice to the Stockholders' Representative specifying in reasonable detail
the basis for a Claim, BindView or BAC may give notice of a Claim under the
Indemnity Escrow Agreement.

11.8. PROCEDURE FOR INDEMNIFICATION - THIRD PARTY CLAIMS.

11.8.1.  Promptly after receipt by an indemnified party under Section 11.2 or
         11.3 of notice of the commencement of any Proceeding against it, such
         indemnified party will, if a claim is to be made against an
         indemnifying party under such Section, give notice to the indemnifying
         party of the commencement of such claim, but the failure to notify the
         indemnifying party will not relieve the indemnifying party of any
         liability that it may have to any indemnified party, except to the
         extent that the indemnifying party demonstrates that the defense of
         such action is prejudiced by the indemnifying party's failure to give
         such notice.

11.8.2.  If any Proceeding referred to in Section 11.8.1 is brought against an
         indemnified party, the indemnifying party will be entitled to
         participate in such Proceeding and, to the extent that it wishes
         (unless (a) the indemnifying party is also a party to such Proceeding
         and the indemnified party determines in good faith that joint
         representation would be inappropriate or (b) the indemnifying party
         fails to provide reasonable assurance to the indemnified party of its
         financial capacity to defend such Proceeding and provide
         indemnification with respect to such Proceeding), to assume the defense
         of such Proceeding with counsel satisfactory to the indemnified party
         and, after notice from the indemnifying party to the indemnified party
         of its election to assume the defense of such Proceeding, the
         indemnifying party will not, as long as it diligently conducts such
         defense, be liable to the indemnified party under this Article 11 for
         any fees of other counsel or any other expenses with respect to the
         defense of such Proceeding, in each case subsequently incurred by the
         indemnified party in connection with the defense of such Proceeding,
         other than reasonable costs of investigation. If the indemnifying party
         assumes the defense of a Proceeding, (x) it will be conclusively
         established for purposes of this Agreement that the claims made in that
         Proceeding are within the scope of and subject to indemnification, (y)
         no compromise or settlement of such claims may be effected by the
         indemnifying party without the indemnified party's consent unless (1)
         there is no finding or admission of any violation of Legal Requirements
         or any violation of the rights of any Person and no effect on any other
         claims that may be made against the indemnified party and (2) the sole
         relief provided is monetary damages that are paid in full by the
         indemnifying party and (z) the indemnified party will have no liability
         with respect to any compromise or settlement of such claims effected
         without its consent. If notice is given to an indemnifying party of the
         commencement of any Proceeding and the indemnifying party does not,
         within ten days after the indemnified party's notice is given, give
         notice to the indemnified party of its election to assume the defense
         of such Proceeding, the indemnifying party will be bound by any
         determination made in such Proceeding or any compromise or settlement
         effected by the indemnified party.



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                                       57           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   63

11.8.3.  Notwithstanding the foregoing, if an indemnified party determines in
         good faith that there is a reasonable probability that a Proceeding may
         adversely affect it or its affiliates other than as a result of
         monetary damages for which it would be entitled to indemnification
         under this Agreement, the indemnified party may, by notice to the
         indemnifying party, assume the exclusive right to defend, compromise or
         settle such Proceeding, but the indemnifying party will not be bound by
         any determination of a Proceeding so defended or any compromise or
         settlement effected without its consent (which may not be unreasonably
         withheld).

11.9. PROCEDURE FOR INDEMNIFICATION - OTHER CLAIMS.

A claim for indemnification for any matter not involving a third-party claim may
be asserted by notice to the party from whom indemnification is sought.

11.10. SPECIAL PROCEDURE WITH RESPECT TO CERTAIN CLAIMS.

BindView agrees that, with respect to any Claim for a Breach of Section 4.8.2,
BindView may assert such Claim and, if the Stockholders' Representative executes
Joint Written Instructions (as defined in the Indemnity Escrow Agreement) to
such effect, BindView will not collect Escrow Shares from the Indemnity Escrow
Account with respect to such Claim before eleven months after the Effective
Time, and at such time any such Claim shall be reduced by any amount collected
by Entevo with resect to the account underlying such Claim.

                         ARTICLE 12. GENERAL PROVISIONS

12.1. EXPENSES.

Except as otherwise expressly provided in this Agreement, each party to this
Agreement will bear its respective expenses incurred in connection with the
preparation, execution and performance of this Agreement and the Contemplated
Transactions, including all fees and expenses of agents, representatives,
counsel and accountants. It is understood that if the Transaction Expenses
exceed the Estimated Transaction Expenses, BindView will be entitled to
indemnification for the excess, which indemnification shall come from the
Indemnity Escrow Account without regard to any basket.

12.2. PUBLIC ANNOUNCEMENTS.

Unless required by a Legal Requirement, until the Closing Entevo and the
Representing Stockholders will not, and will not permit their respective Related
Persons to, make any disclosure regarding this Agreement to any Person other
than their Representatives without BindView's prior written consent. If any such
person is required by Legal Requirements to make any such disclosure, such
person must first provide to BindView a copy of such proposed disclosure, a
description of the Legal Requirement requiring such disclosure and the time and
place at which such disclosure will be made. Entevo and the Representing
Stockholders will consult with BindView concerning the means by which Entevo's
employees, customers and suppliers and others having dealings with Entevo will
be informed of the Contemplated Transactions, and BindView and BAC will have the
right to be present for any such communication.



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                                       58           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   64

12.3. CONFIDENTIALITY.

12.3.1.  Between the date of this Agreement and the Closing Date (or, if
         applicable, the date of termination of this Agreement pursuant to
         Article 10), BindView, BAC, Entevo and the Representing Stockholders
         will maintain in confidence, and will cause the directors, officers,
         employees, agents, advisors and Representatives of BindView, BAC and
         Entevo to maintain in confidence, and not use to the detriment of
         another party hereto any written, oral or other information obtained in
         confidence from such other party in connection with this Agreement or
         the Contemplated Transactions, unless (a) such information is already
         known to such party or to others not bound by a duty of confidentiality
         or such information becomes publicly available through no fault of such
         party, (b) the use of such information is necessary or appropriate in
         making any filing or obtaining any consent or approval required for the
         consummation of the Contemplated Transactions or (c) the furnishing or
         use of such information is required by or necessary or appropriate in
         connection with any Legal Requirement or legal proceeding.

12.3.2.  If the Contemplated Transactions are not consummated, each party will
         return or destroy as much of such written information as the other
         party may reasonably request.

12.3.3.  The provisions of this Section 12.3 are in addition to and cumulative
         of the terms and conditions contained in (a) that certain Nondisclosure
         Agreement dated November 29, 1999, by and between Entevo and BindView.
         In the event of any conflict between the terms of this Section 12.3 and
         that letter, the terms of that letter will supersede the conflicting
         terms of this Section 12.3.

12.4. NOTICES.

All notices, consents, waivers and other communications under this Agreement
must be in writing and will be deemed to have been duly given when (a) delivered
by hand (with written confirmation of receipt), (b) sent by telecopier or
electronic mail, in either case, with written confirmation of receipt or (c)
when received by the addressee, if sent by a nationally recognized overnight
delivery service (receipt requested), in each case to the appropriate addresses
and telecopier numbers set forth below (or to such other addresses and
telecopier numbers as a party may designate by notice to the other parties):

                    BindView:

                    BindView Development Corporation
                    5151 San Felipe, 22nd Floor
                    Houston, Texas 77056
                    Attention: D.C. Toedt, Vice President and General Counsel
                    Facsimile No.: (713) 561-1001
                    E-mail: [email protected]



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                                       59           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   65

                                    with a copy to:

                                    Fulbright & Jaworski L.L.P.
                                    1301 McKinney, Suite 5100
                                    Houston, Texas 77010
                                    Attention: Robert F. Gray, Jr.
                                    Facsimile No.: (713) 651-5246
                                    E-mail: [email protected]

                                    Stockholders' Representative:
                                    A.G.W. Biddle III
                                    1750 Tyson's Blvd, Suite 1190
                                    McLean, VA 22101
                                    Facsimile No.: (703) 847 3771

                                    with a copy to:

                                    Hogan & Hartson L.L.P.
                                    111 South Calvert Street
                                    Baltimore, Maryland 21202
                                    Attention: Michael J. Silver
                                    Facsimile No.: (410) 539-6981
                                    E-mail: [email protected]



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                                       60           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   66

12.5. RESOLUTION OF DISPUTES.

12.5.1.  Any dispute arising under or relating to this Agreement or an alleged
         breach thereof that BindView and the Shareholder Representative cannot
         resolve between themselves shall first be referred to non-binding
         mediation in accordance with the Commercial Mediation Rules of the
         American Arbitration Association.

12.5.2.  If such dispute is not resolved by mediation, it shall be referred to
         binding arbitration before a three-arbitrator panel in accordance with
         the Commercial Arbitration Rules of the American Arbitration
         Association. At least one arbitrator shall be an attorney with at least
         fifteen years of experience in the practice of law, and at least one
         arbitrator shall be a certified public accountant with at least fifteen
         years of experience as a CPA, and both the lawyer arbitrator and the
         CPA arbitrator shall have at least five years of experience in working
         with software companies. The seat of any such arbitration shall be in,
         and any arbitral proceedings shall be conducted in, New York, New York,
         unless the parties agree otherwise. The arbitrators are authorized and
         directed to take all reasonable measures to streamline, expedite, and
         reduce the cost of the arbitration proceedings, including without
         limitation any pre-hearing proceedings. The arbitration award shall be
         based strictly on this Agreement and on the application of the
         applicable law to the facts.

12.5.3.  The arbitration award shall be enforceable in any court having
         jurisdiction; the parties agree that the state and federal courts in
         New York, New York, Houston, Texas, or Arlington, Virginia shall have
         jurisdiction to enforce such award.

12.6. FURTHER ASSURANCES.

The parties agree (1) to furnish upon request to each other such further
information, (2) to execute and deliver to each other such other documents and
(3) to do such other acts and things, all as the other party may reasonably
request for the purpose of carrying out the intent of this Agreement and the
documents referred to in this Agreement.

12.7. WAIVER.

The rights and remedies of the parties to this Agreement are cumulative and not
alternative. Neither the failure nor any delay by any party in exercising any
right, power or privilege under this Agreement or the documents referred to in
this Agreement will operate as a waiver of such right, power or privilege, and
no single or partial exercise of any such right, power or privilege will
preclude any other or further exercise of such right, power or privilege or the
exercise of any other right, power or privilege except as otherwise provided by
this Agreement. To the maximum extent permitted by applicable law, (1) no claim
or right arising out of this Agreement or the documents referred to in this
Agreement can be discharged by one party, in whole or in part, by a waiver or
renunciation of the claim or right unless in writing signed by the other party,
(2) no waiver that may be given by a party will be applicable except in the
specific instance for which it is given and (3) no notice to or demand on one
party will be deemed to be a waiver of any obligation of such party or of the
right of the party giving such notice or demand to take further action without
notice or demand as provided in this Agreement or the documents referred to in
this Agreement.



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                                       61           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   67

12.8. ENTIRE AGREEMENT AND MODIFICATION.

Except for that certain Nondisclosure Agreement dated November 29, 1999, and
except as otherwise provided herein, this Agreement supersedes all prior
agreements between the parties with respect to its subject matter and
constitutes (along with the documents referred to in this Agreement) a complete
and exclusive statement of the terms of the agreement between the parties with
respect to its subject matter. This Agreement may not be amended except by
BindView and Entevo.

12.9. SCHEDULES.

In the event of any inconsistency between the statements in the body of this
Agreement and those in the Schedules (other than an exception expressly set
forth as such in the Schedules with respect to a specifically identified
representation or warranty), the statements in the body of this Agreement will
control.

12.10. ASSIGNMENTS, SUCCESSORS AND NO THIRD-PARTY RIGHTS.

No party may assign any of its rights under this Agreement without the prior
consent of the other parties, which will not be unreasonably withheld, except
that BindView or BAC may assign any of its rights under this Agreement to any
Subsidiary of BindView or BAC. Subject to the preceding sentence, this Agreement
will apply to, be binding in all respects upon, and inure to the benefit of the
successors and permitted assigns of the parties. Except for Sections 7.6 and
7.8, nothing expressed or referred to in this Agreement will be construed to
give any Person other than the parties to this Agreement any legal or equitable
right, remedy, or claim under or with respect to this Agreement or any provision
of this Agreement. Except for Sections 7.6 and 7.8, this Agreement and all of
its provisions and conditions are for the sole and exclusive benefit of the
parties to this Agreement and their successors and assigns.

12.11. SEVERABILITY.

If any provision of this Agreement is held invalid or unenforceable by any court
of competent jurisdiction, the other provisions of this Agreement will remain in
full force and effect. Any provision of this Agreement held invalid or
unenforceable only in part or degree will remain in full force and effect to the
extent not held invalid or unenforceable. The provisions of this Agreement were
negotiated by the parties hereto and this Agreement shall be deemed to have been
drafted by all the parties hereto.

12.12. SECTION HEADINGS, CONSTRUCTION.

The headings of Sections in this Agreement are provided for convenience only and
will not affect its construction or interpretation. All references to
"Articles", "Exhibits", "Schedules" or "Sections" refer to the corresponding
annexes, articles, exhibits, schedules or sections of this Agreement. All words
used in this Agreement will be construed to be of such gender or number as the
circumstances require. Unless otherwise expressly provided, the word "including"
will be construed to be illustrative and will not be construed to be limiting or
exclusive.



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                                       62           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   68

12.13. TIME OF ESSENCE.

With regard to all dates and time periods set forth or referred to in this
Agreement, time is of the essence.

12.14. GOVERNING LAW.

This Agreement will be governed by the laws of the State of Delaware applicable
to contracts made and performed wholly within Delaware by residents of that
state.

12.15. COUNTERPARTS.

This Agreement may be executed in one or more counterparts, each of which will
be deemed to be an original copy of this Agreement and all of which, when taken
together, will be deemed to constitute one and the same agreement.





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                                       63           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   69

IN WITNESS WHEREOF, the parties have executed and delivered this Agreement
effective as of the date first written above.



                                    BINDVIEW DEVELOPMENT CORPORATION

                                    By   /s/ RICHARD P. GARDNER
                                      ------------------------------------------

                                    Name  Richard P. Gardner
                                        ----------------------------------------

                                    Title  President and Chief Executive Officer
                                         ---------------------------------------



                                    BRAVO ACQUISITION CORPORATION

                                    By   /s/ RICHARD P. GARDNER
                                      ------------------------------------------

                                    Name  Richard P. Gardner
                                        ----------------------------------------

                                    Title  President
                                         ---------------------------------------



                                    ENTEVO CORPORATION

                                    By  /s/  AMIR HUDDA
                                      ------------------------------------------

                                    Name  Amir Hudda
                                        ----------------------------------------

                                    Title  CEO
                                         ---------------------------------------



                                    REPRESENTING STOCKHOLDERS



                                      /s/  AMIR HUDDA
                                      ------------------------------------------



                                      /s/  PRASHANTH VISWANATH
                                      ------------------------------------------




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                                       64           BVEW/ENTEVO MERGER AGREEMENT

<PAGE>   1
                                                                    EXHIBIT 99.1

FOR IMMEDIATE RELEASE

Contacts:
Paula Berman                                           Lisa Cradit
BindView Corporation                                   FitzGerald Communications
(508) 620-0644                                         (617) 494-9500
[email protected]                                   [email protected]


                      BINDVIEW COMPLETES MERGER OF ENTEVO

HOUSTON -- FEB. 11, 2000 -- BindView Corporation (NASDAQ: BVEW), the leading
provider of IT risk management solutions, today announced that it has completed
the previously announced acquisition of Entevo Corporation. Under the terms of
the agreement, BindView has issued 2.2 million shares of Common Stock on a fully
diluted basis, including the assumption of all outstanding Entevo warrants and
stock options.

Entevo provides directory management solutions that help organizations deploy,
integrate, administer and maintain enterprise directory services, Windows NT and
Windows 2000. Entevo's award-winning DirectManage suite will be added to
BindView's award-winning solutions for managing the configuration, security and
availability of the IT infrastructure. BindView believes that this will produce
an unrivaled solution for the administration and management of the security,
configuration and availability of Windows NT, Windows 2000, and Active
Directory, one of the underlying cores of the present and future e-business
infrastructure.

"Directories will be the foundation of e-business, and customers are requiring
best of breed technologies to manage them," said Rick Villars, vice president of
Internet and e-business strategies at IDC. "The combination of BindView and
Entevo offers a one-stop-shop for administrating, configuring, securing and
monitoring Windows 2000 and Active Directory."

                                     (more)
<PAGE>   2
BINDVIEW COMPLETES MERGER

ABOUT ENTEVO CORPORATION

Entevo Corporation helps companies manage the user population explosion -- the
dramatic increase in the number of people that come in contact with a company's
technology infrastructure as it grows, diversifies, and evolves into an
e-business.  Entevo's award-winning product suite, DirectManage,  includes
DirectAdmin, the premier directory management solution, and DirectMigrate, the
comprehensive solution for migration process management. DirectManage acts as
the switchboard operator for e-business, managing connections between users and
the technology resources that power intranets, extranets, and all types of
e-business applications. Entevo's technology approach, which leverages Internet
and directory standards, provides the most scalable and flexible solution for
managing an increasingly complex e-business environment. Entevo's customers
include many of the world's largest corporations and various government agencies
at the federal, state, and local levels. For more information on Entevo, visit
the WorldWide Web:http://www.entevo.com.

ABOUT BINDVIEW CORPORATION

Founded in 1990, BindView provides IT risk management solutions for managing the
security,  configuration and availability of network  operating  systems,
e-services and business applications. Focusing on the critical elements of the
corporate IT infrastructure, BindView's award winning products enable corporate
IT professionals to effectively leverage their existing technology to achieve
their organizations' business goals. More than 7 million licenses of BindView's
products have been shipped worldwide to 4,700 companies, including more than 75
of the Fortune 100 and 22 of the largest 25 U.S. banks. Contact BindView via
e-mail at [email protected] or visit BindView's World Wide Web Site at
http://www.bindview.com. BindView can also be reached at (800) 749-8439 or at
(713) 561-4000.

<PAGE>   3
BINDVIEW COMPLETES MERGER

EDITORS NOTE: BindView product names used in this document are trademarks, which
may be registered in one or more jurisdictions, of BindView. The names of
products of other companies mentioned in this document, if any, may be the
registered or unregistered trademarks of the owners of the products.

SAFE HARBOR STATEMENT
Statements in this news release ending with an asterisk are "forward-looking"
statements that are made pursuant to the safe harbor provisions of the Private
Securities Litigation Reform Act of 1995. Although BindView believes that the
expectations reflected in such forward-looking statements are reasonable, it can
give no assurance that the expectations reflected in such forward-looking
statements will prove to be correct. Factors that could cause actual results to
differ  materially from BindView's  expectations  include,  among others:
integration of newly-acquired companies and products (specifically, the purchase
of Entevo described above); competition within the network management software
industry; rapid technological change; BindView's development of and the market's
acceptance of new products; as well as the risks, uncertainties and other
factors described from time to time in BindView's periodic filings with the
Securities and Exchange Commission.





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