BIOMUNE SYSTEMS INC
8-K, EX-10, 2000-08-15
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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                            STOCK PURCHASE AGREEMENT


                                     between


                               DONLAR CORPORATION


                                       and


                              BIOMUNE SYSTEMS, INC.















                           Dated as of August 7, 2000

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

<PAGE>





                                TABLE OF CONTENTS

                                                                            Page

ARTICLE I AUTHORIZATION AND ISSUANCE OF THE ACQUIRED COMMON STOCK..............1
   1.1   Definitions...........................................................1
   1.2   Authorization of Acquired Common Stock................................1
   1.3 Issuance and Purchase of the Acquired Common Stock......................1
   1.4   Closing...............................................................1

ARTICLE II REPRESENTATIONS AND WARRANTIES OF BIOMUNE...........................2
   2.1   Organization, Standing and Qualification..............................2
   2.2   Investment Company Status.............................................2
   2.3   Anti-Takeover Statutes................................................2
   2.4   Power and Authority...................................................2
   2.5   Authorization of Agreements, etc......................................3
   2.6   Validity..............................................................3
   2.7   Capitalization; Ownership of Other Entities...........................3
   2.8   No Defaults...........................................................4
   2.9   SEC Reports and Correspondence........................................4
   2.10  No Material Adverse Change............................................5
   2.11  Books and Records.....................................................5
   2.12  Litigation............................................................5
   2.13  Compliance............................................................5
   2.14  Intellectual Property Rights..........................................6
   2.15  Title to Properties; Encumbrances.....................................6
   2.16  Inventory.............................................................7
   2.17  Accounts Receivable...................................................7
   2.18  Suppliers.............................................................7
   2.19  Products..............................................................8
   2.20  Environmental Matters.................................................8
   2.21  Taxes.................................................................8
   2.22  Insurance.............................................................9
   2.23  Other Agreements......................................................9
   2.24  Loans and Advances....................................................9
   2.25  Assumptions and Guaranties of Indebtedness...........................10
   2.26  Governmental Approvals...............................................10
   2.27  Disclosure...........................................................10
   2.28  Offering Exemption...................................................10
   2.31  Employees............................................................11
   2.32  Transactions with Affiliates.........................................11
   2.33  U.S. Real Property Holding Corporation...............................11
   2.34  Employees; Benefit Plans.............................................12


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   2.35  Contracts; No Defaults...............................................12
   2.36  Year 2000............................................................14
   2.37  Compliance with the Nasdaq Market Listing Requirements...............14
   2.38  Compensation of Key Employees........................................14

ARTICLE III REPRESENTATIONS AND WARRANTEES OF THE BUYER.......................15

ARTICLE IV CONDITIONS TO THE OBLIGATIONS OF THE BUYER.........................16
   4.1   Opinion of Biomune's Counsel.........................................16
   4.2   Representations and Warranties To Be True and Correct................16
   4.3   Performance..........................................................16
   4.4   Due Diligence........................................................16
   4.5   Proceedings To Be Satisfactory.......................................16
   4.6   Purchase by the Buyer................................................16
   4.7   Supporting Documents.................................................17
   4.8   Preemptive Rights; Termination of Shareholder Agreements.............17
   4.9   Other Waivers and Consents...........................................17

ARTICLE V CONDITIONS TO THE OBLIGATIONS OF BIOMUNE............................18
   5.1   Representations and Warranties to be True and Correct................18
   5.2   Performance..........................................................18
   5.3   Proceedings to be Satisfactory.......................................18
   5.4   Acton Consulting Agreement...........................................18

ARTICLE VI COVENANTS OF BIOMUNE...............................................18
   6.1   Financial Statements, Reports, etc...................................18
   6.2   No Issuance of Shares; Right of First Offer..........................19
   6.3   Corporate Existence..................................................20
   6.4   Properties, Business, Insurance......................................20
   6.5   Inspection, Consultation and Advice..................................20
   6.6   Restrictive Agreements Prohibited....................................20
   6.7   Transactions with Affiliates.........................................21
   6.8   Use of Proceeds......................................................21
   6.9   Compensation.........................................................21
   6.10  Bylaws...............................................................21
   6.11  Granting of Options..................................................21
   6.12  Compliance with Laws.................................................21
   6.13  Change in Nature of Business.........................................22
   6.14  Tax Payments.........................................................22
   6.15  Material Changes and Litigation......................................22
   6.16  New Developments.....................................................22
   6.18  No Negotiation.......................................................22
   6.19  Indemnification......................................................23

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<PAGE>

ARTICLE VII MISCELLANEOUS.....................................................24
   7.1   Expenses.............................................................24
   7.2   Survival of Agreements...............................................24
   7.3   Remedies.............................................................25
   7.4   Brokerage............................................................25
   7.5   Parties in Interest..................................................25
   7.6   Notices..............................................................25
   7.7   Governing Law........................................................26
   7.8   Entire Agreement.....................................................26
   7.9   Counterparts.........................................................26
   7.10  Amendments...........................................................26
   7.11  Severability.........................................................26
   7.12  Titles and Subtitles.................................................26
   7.13  Public Announcements.................................................26

ARTICLE VIII DEFINITIONS......................................................27
   8.1   "Affiliated Companies"...............................................27
   8.2   "Applicable Contract"................................................27
   8.3   "Common Stock".......................................................27
   8.4   "Contract"...........................................................27
   8.5   "Environmental Laws".................................................27
   8.6   "Exchange Act".......................................................27
   8.7   "GAAP"...............................................................27
   8.8   "Government Entity"..................................................27
   8.9   "Hazardous Material".................................................27
   8.10  "Knowledge"or "to Know"..............................................27
   8.11  "Laws"...............................................................28
   8.12  "Liability"..........................................................28
   8.13  "Major Supplier".....................................................28
   8.14  "Material Adverse Effect"or "Materially Adversely Affect"............28
   8.15  "Ordinary Course of Business"........................................28
   8.16  "Organizational Documents"...........................................28
   8.17  "Person".............................................................28
   8.18  "Preferred Stock"....................................................28
   8.19  "SEC"................................................................28
   8.20  "SEC Reports"........................................................28
   8.21  "Securities Act".....................................................28
   8.22  "Stock Incentive Plans"..............................................29
   8.23  "Subsidiary".........................................................29



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                                    Exhibits



                                       4
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Exhibit A

                                    Schedules


Schedule  2.1(b)
Schedule 2.7
Schedule 2.8
Schedule 2.12
Schedule 2.14
Schedule 2.17
Schedule 2.24
Schedule 2.30
Schedule 2.32
Schedule 2.38



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     THIS STOCK  PURCHASE  AGREEMENT  (this  "Agreement")  is entered into as of
August 7, 2000 by and between DONLAR CORPORATION,  an Illinois  corporation (the
"Buyer"), and BIOMUNE SYSTEMS, INC., a Nevada corporation ("Biomune").

     NOW,  THEREFORE,  in  consideration  of  the  respective   representations,
warranties,  covenants  and  agreements  set forth herein,  the parties  hereto,
intending to be legally bound hereby, agree as follows:

                                    ARTICLE I
             AUTHORIZATION AND ISSUANCE OF THE ACQUIRED COMMON STOCK

     1.1  Definitions.  Certain  capitalized  terms  used in the  Agreement  are
defined in Article VII hereof; reference to a "Schedule" or "Exhibit" is, unless
otherwise specified, to a Schedule or Exhibit to this Agreement.

     1.2 Authorization of Acquired Common Stock. Biomune has duly authorized the
issuance  and sale to the Buyer of an  aggregate  of  2,136,554  fully  paid and
nonassessable shares of Common Stock, or such greater or lesser number of shares
such that after the sale the Buyer shall own 19.9% of the total of the number of
outstanding shares of Biomune's Common Stock (the "Acquired Common Stock").

     1.3  Issuance and Purchase of the  Acquired  Common  Stock.  Subject to the
terms and conditions set forth herein, at the Closing (as defined in Section 1.4
hereof), Biomune shall issue and sell to the Buyer, and the Buyer shall purchase
from Biomune the Acquired Common Stock for an aggregate  purchase price obtained
by multiplying  (a) the number of shares of Common Stock which  constitutes  the
Acquired  Common  Stock,  by (b) the  average of the "last  trade"  price of the
Common Stock as reported on the Nasdaq  SmallCap Market for the ten (10) trading
days  immediately  prior to the Closing  Date (as defined in Section 1.4 hereof)
(the "Aggregate Purchase Price").

     1.4 Closing. The closing shall take place in person or by telecopier at the
offices of Duane,  Morris & Heckscher LLP, 227 West Monroe  Street,  Suite 3400,
Chicago,  Illinois 60606, at 11:59 p.m. CDT, on August 7, 2000, or at such other
location,  date and time as may be agreed  upon  between  the Buyer and  Biomune
(such closing being called the "Closing" and such date and time being called the
"Closing Date"). At the Closing,  Biomune shall issue and deliver to the Buyer a
stock certificate or certificates in definitive form,  registered in the name of
the Buyer,  representing the Acquired Common Stock shares being purchased by the
Buyer at the Closing.  As payment in full for the  Acquired  Common Stock shares
being purchased by the Buyer under this Agreement,  and against  delivery of the
stock certificate or certificates  therefor, on the Closing Date the Buyer shall
deliver to Biomune a note or check payable to the order of Biomune in the amount
of its Aggregate Purchase Price.




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<PAGE>

                                   ARTICLE II
                    REPRESENTATIONS AND WARRANTIES OF BIOMUNE

     Biomune  represents and warrants to the Buyer the matters set forth in this
Article II as of the Closing Date:

     2.1 Organization, Standing and Qualification.

          (a) Each Affiliated  Company is a corporation duly organized,  validly
     existing  and in  good  standing  under  the  Laws of its  jurisdiction  of
     incorporation,  and has all requisite  corporate power and authority to own
     or lease and operate its properties,  to carry on its business as currently
     conducted  and as now  proposed  to be  conducted,  and to  carry  out  the
     transactions contemplated hereby. Each Affiliated Company is duly qualified
     to do business as a foreign  corporation  and is in good standing under the
     Laws of Utah, and no qualification is required in any other states or other
     jurisdictions,  except  for  those  jurisdictions  in which  failure  to so
     qualify  would  not have a  Material  Adverse  Effect  upon the  applicable
     Affiliated  Company.  Seller has made available to the Buyer true,  correct
     and complete  copies of the  Organizational  Documents  of each  Affiliated
     Company,  as currently in effect,  and has previously made available to the
     Buyer Biomune's  complete  corporate minute and stock books,  which include
     all actions of Biomune's  Board of Directors and  shareholders,  whether by
     meeting or by written consent in lieu of a meeting.

          (b)  Except as set forth on  Schedule  2.1(b),  Biomune  does not own,
     directly or  indirectly,  or have the right or obligation  to acquire,  any
     interest in any business, association or other Person.

     2.2  Investment   Company  Status.   Each  Affiliated  Company  is  not  an
"investment company" within the meaning of the Investment Company Act of 1940.

     2.3  Anti-Takeover  Statutes.  Biomune's  Board of Directors  has taken all
necessary action so that no Nevada "control share  acquisition" or other similar
anti-takeover statute (including,  but not limited to, Sections 78.378 - 78.3793
and  Sections  78.411 - 78.444  inclusive  of the Nevada  Revised  Statutes)  or
regulation or applicable  provision in Biomune's  Articles of  Incorporation  or
Bylaws  prohibits  the  transactions  contemplated  by  this  Agreement.  To the
Knowledge  of  Biomune,  no  other  state  takeover  statute  or  regulation  is
applicable to the transactions contemplated by this Agreement.

     2.4 Power and  Authority.  Biomune  has the  power and  authority  to make,
deliver and perform this Agreement and the transactions contemplated hereby. The
execution,  delivery and performance of this Agreement have been duly authorized
by all necessary corporate actions. In addition, the issuance, sale and delivery
of the Acquired Common Stock in accordance with the terms of this Agreement have
been duly authorized by all requisite corporate action of Biomune.  When issued,
sold and delivered in accordance with this Agreement,  the Acquired Common Stock
issued  hereunder  will be  validly  issued  and  outstanding,  fully  paid for,


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<PAGE>

nonassessable, and will not be subject to preemptive or any other similar rights
of the shareholders of Biomune or others;  provided,  however, that the Acquired
Common Stock may be subject to restrictions on transfer under  applicable  state
and/or federal securities laws.

     2.5 Authorization of Agreements, etc. The execution and delivery by Biomune
of this Agreement,  the performance by Biomune of its obligations hereunder, the
issuance,  sale and delivery of the  Acquired  Common Stock will not violate any
provision  of Law,  any order of any court or other  agency of  government,  the
Organization  Documents  or  resolution  adopted  by the board of  directors  or
shareholders  of any  Affiliated  Company  or any  provision  of any  indenture,
agreement  or other  instrument  to which any  Affiliated  Company or any of its
properties  or assets  is  bound,  or  conflict  with,  result in a breach of or
constitute  with due notice or lapse of time or both a default  under,  any such
indenture,  agreement  or  other  instrument,  or  result  in  the  creation  or
imposition of any lien, charge, restriction,  claim or encumbrance of any nature
whatsoever  upon any of the properties or assets of any Affiliated  Company.  No
provision of this Agreement violates,  conflicts with, results in a breach of or
constitutes  with  due  notice  or lapse of time or both a  default  under,  any
indenture,  agreement or other  instrument to which Biomune is bound or by which
the assets of Biomune are bound  regardless,  in each such case,  of whether any
such violation,  conflict, breach or default relates to Biomune or, to Biomune's
best  Knowledge,  to another  party to any such  indenture,  agreement  or other
instrument.

     2.6  Validity.  This  Agreement  has been duly  executed  and  delivered by
Biomune and  constitutes  the legal,  valid and binding  obligation  of Biomune,
enforceable  in accordance  with its terms,  subject to  applicable  bankruptcy,
insolvency,  moratorium or other similar Laws relating to creditor's  rights and
general  principles of equity and no representation is made regarding the effect
of Laws relating to competition or antitrust.

     2.7  Capitalization;  Ownership of Other Entities.  The authorized  capital
stock of Biomune immediately after the Closing shall consist of: (i) 500,000,000
shares  of  Common  Stock,  par  value  $.0001;  and (ii)  50,000,000  shares of
Preferred Stock, par value $.0001.  Immediately prior to the Closing,  8,599,900
shares of Common Stock will be validly  issued and  outstanding,  fully paid and
nonassessable  and 38,523 shares of Preferred Stock which are  convertible  into
1,169 shares of Common Stock will have been issued. In addition,  262,580 shares
of Common Stock are reserved for issuance under  Biomune's Stock Incentive Plans
and all other rights to acquire equity  securities of Biomune.  The shareholders
of  record  and  holders  of  subscriptions,   warrants,  options,   convertible
securities and other rights, contingent or other, including those holding awards
under  the  Stock  Incentive  Plans to  purchase  or  otherwise  acquire  equity
securities  of Biomune,  and the number of shares of Common Stock and the number
of such subscriptions, warrants, options, convertible securities, and other such
rights  held by each or  issuable  to each,  are as set  forth  in the  attached
Schedule 2.7. The designations,  powers,  preferences,  rights,  qualifications,
limitations  and  restrictions in respect of each class and series of authorized
capital stock of Biomune are as set forth in Biomune's Articles of Incorporation
and the  Certificates  and Statements of Determination of Rights and Preferences


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<PAGE>

of the Series A and B Preferred  Stock, as amended,  and all such  designations,
powers, preferences,  rights,  qualifications,  limitations and restrictions are
valid,  binding and  enforceable  and in accordance  with all  applicable  Laws.
Except as set forth in Schedule 2.7, (i) no Person owns of record or is Known to
Biomune to own  beneficially  any shares of Common Stock or Preferred  Stock, or
any securities or instruments  convertible into Common Stock or Preferred Stock;
(ii) no subscription,  warrant,  option,  convertible  security, or other right,
contingent  or other,  to purchase or otherwise  acquire  equity  securities  of
Biomune from Biomune is authorized or outstanding;  (iii) no options,  shares or
other rights have been granted or issued under the Stock  Incentive  Plans;  and
(iv) there is no commitment by Biomune to issue shares, subscriptions, warrants,
options, convertible securities or other such rights or to distribute to holders
of any of its equity securities any evidence of indebtedness or asset. Except as
provided for in Biomune's  Articles of Incorporation or as set forth in Schedule
2.7, Biomune has no obligation,  contingent or otherwise, to purchase, redeem or
otherwise acquire any of its equity securities or any interest therein or to pay
any dividend or make any other  distribution in respect  thereof.  Except as set
forth in Schedule 2.7, to the  Knowledge of Biomune,  there are no voting trusts
or agreements,  shareholders agreements, pledge agreements, buy-sell agreements,
rights of first refusal, preemptive rights or proxies relating to any securities
of Biomune,  whether or not Biomune is a party thereto.  All of the  outstanding
securities of Biomune were issued in compliance with all applicable  federal and
state  securities laws.  Biomune's only Subsidiary is Optim  Nutrition,  Inc., a
Utah corporation ("Optim") and Biomune owns all of the outstanding capital stock
of Optim.

     2.8 No Defaults. Except as set forth in Schedule 2.8, no Affiliated Company
is in default: (a) under (i) its Organizational  Documents, or (ii) any material
written,  oral or implied  Contract to which the  Affiliated  Company is a party
and, to the best  Knowledge of Biomune,  the other party to such Contract is not
in default  thereunder;  or (b) with respect to any order,  writ,  injunction or
decree of any court or any Government  Entity which, in the aggregate,  will, or
could reasonably be expected to, have a Material Adverse Effect on an Affiliated
Company's business, financial condition, results of operations or prospects.

     2.9 SEC Reports and Correspondence. Biomune has filed all proxy statements,
reports and other  documents  required to be filed by it under the  Exchange Act
from and after  January 7, 1997,  and Biomune has  furnished  the Buyer true and
correct copies of all annual reports,  quarterly  reports,  proxy statements and
other  reports under the Exchange Act filed by Biomune from and after such date,
each as  filed  with the SEC  (collectively,  the "SEC  Reports"  or  "Financial
Reports").  On the date of  filing,  each SEC Report  was in  compliance  in all
material  respects with the  requirements of its respective  report form and did
not contain any untrue  statement of a material fact or omit to state a material
fact required to be stated therein or necessary to make the statements  therein,
in the light of the  circumstances  under which they were made, not  misleading,
except to the extent  corrected by a  subsequently  filed SEC Report,  as of the
date hereof  there is no fact or facts not  disclosed  in the SEC  Reports  that
relate specifically to Biomune and that could, individually or in the aggregate,
reasonably  be  expected  to have a Material  Adverse  Effect.  Biomune has made
available  for  inspection  by the Buyer  copies of all  correspondence  between


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<PAGE>

Biomune and the SEC from and after  January 7, 1997.  The SEC Reports  have been
prepared  from,  and are in  accordance  with the books and  records of Biomune,
comply in all material respects with applicable accounting requirements and with
the published rules and regulations of the SEC with respect  thereto,  have been
prepared in accordance  with GAAP applied on a consistent  basis  throughout the
periods  involved  (except as may be indicated  in the notes  thereto or, in the
case of unaudited  statements  included in Quarterly  Reports on Form 10-QSB, as
permitted by Form 10-QSB of the SEC) and fairly presented the financial position
of Biomune and its  results of  operation,  cash flows and changes in  financial
position as of and for the periods indicated,  except that the unaudited interim
financial  statements contained in the SEC Reports were or are subject to normal
and recurring year-end adjustments.

     2.10 No Material Adverse Change. Since the date of Biomune's March 31, 2000
balance sheet (the  "Balance  Sheet"),  there has not been any material  adverse
change in the business, operations,  properties,  prospects, assets or condition
of any  Affiliated  Company,  and to the  Knowledge  of  Biomune,  no event  has
occurred  or  circumstance  exists  that may result in such a  material  adverse
change.

     2.11 Books and Records.  The books of account,  minute books,  stock record
books,  ledgers,  order books, and other records and documents of the Affiliated
Companies,  all of which have been made available to the Buyer, are complete and
correct and have been maintained in accordance with sound business practices and
the  requirements of Section 13(b)(2) of the Exchange Act (regardless of whether
or not the  Affiliated  Companies  are subject to that  Section)  including  the
maintenance of an adequate system of internal controls.

     2.12  Litigation.  Except as set forth in Schedule  2.12,  there is no: (i)
litigation,  action, suit, claim, proceeding or investigation pending or, to the
best of Biomune's  Knowledge,  threatened  against or  affecting  an  Affiliated
Company,  or any of its properties or assets,  at law or in equity, or before or
by any Government  Entity; or (ii) governmental  inquiry pending or, to the best
of Biomune's  Knowledge,  threatened against or affecting an Affiliated Company,
including  without  limitation  any  inquiry  as  to  the  qualification  of  an
Affiliated Company to hold or receive any license or permit, and, to the best of
Biomune's Knowledge,  there is no basis for any of the foregoing.  No Affiliated
Company  has  received  any  opinion or  memorandum  or legal  advice from legal
counsel  to the  effect  that it is  exposed,  from a legal  standpoint,  to any
liability that may be material to its business, prospects,  financial condition,
operations,  property or affairs, or which might call into question the validity
of this Agreement or any of the securities to be issued  hereunder or any action
taken or to be taken pursuant hereto or thereto. Except as set forth in Schedule
2.12, there is no action or suit by an Affiliated  Company pending or threatened
against others.

     2.13 Compliance. Each Affiliated Company is and has been in compliance with
all federal,  state, local and foreign Laws applicable to it or to its business,
operations,  properties,  assets,  products  and  services,  including,  but not
limited  to,  all  rules,  regulations  and  other  Laws of the  Food  and  Drug
Administration  ("FDA") and each  Affiliated  Company has obtained all necessary
permits, licenses and other authorizations required to conduct its business with


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<PAGE>

such  exceptions  that do not have, and are not  reasonably  expected to have, a
Material Adverse Effect.  Such licenses and permits are in full force and effect
and no violations have been recorded in respect of any such licenses or permits,
no proceeding  is pending or, to the Knowledge of Biomune,  threatened to revoke
or limit any thereof,  and no notice of  non-compliance,  assessment or material
change has been received by an Affiliated  Company. To the Knowledge of Biomune,
there is no existing Law that would  prohibit or restrict an Affiliated  Company
from, or otherwise  adversely  affect an Affiliated  Company in,  conducting its
business in any jurisdiction in which it is conducting business.

     2.14 Intellectual  Property Rights.  Each Affiliated  Company owns or has a
valid right to use the  Intellectual  Property  Rights (as defined  below) being
used to conduct its  business as now operated and as now proposed to be operated
(a complete list of licenses,  registrations  and applications for registrations
of such  Intellectual  Property  Rights is attached hereto as Schedule 2.14). To
the Knowledge of Biomune,  the conduct of each Affiliated  Company's business as
now operated  and as now proposed to be operated  does not and will not conflict
with or infringe  upon the  Intellectual  Property  Rights of others.  Except as
otherwise  set forth on  Schedule  2.14,  no claim is pending or, to the best of
Biomune's  Knowledge,  threatened against an Affiliated Company or its officers,
employees  and  consultants  to the effect that any such  Intellectual  Property
Right owned or  licensed  by the  Affiliated  Company,  or which the  Affiliated
Company  otherwise  has the right to use,  is  invalid or  unenforceable  by the
Affiliated  Company.  Except pursuant to the terms of any licenses  specified on
Schedule 2.14, no Affiliated  Company has an obligation to compensate any Person
for the use of any such Intellectual  Property Rights and no Affiliated  Company
has granted any Person any license or other right to use any of the Intellectual
Property  Rights  of  the  Affiliated  Company,  whether  requiring  payment  of
royalties or not. Each Affiliated  Company has taken all reasonable  measures to
protect and preserve the security, confidentiality and value of its Intellectual
Property Rights, including its trade secrets and other confidential information.
Except as set forth in Schedule 2.14 hereof,  all employees and  consultants  of
each  Affiliated  Company  involved  in  the  design,   review,   evaluation  or
development  of  products  or  Intellectual  Property  Rights  have  executed  a
nondisclosure  and  assignment  of  inventions  agreement.  For purposes of this
Agreement,  "Intellectual  Property Rights" shall mean all forms of intellectual
property  rights  and  protections  that  may  be  obtained  including,  without
limitation,  all right, title and interest in and to all foreign, federal, state
and common law rights  relating  to: (i) patents,  patent  rights and all filed,
pending or potential  applications  for patents or patent rights,  including any
reissue,   reexamination,   division,   continuation   or   continuation-in-part
applications  now or hereafter  filed;  (ii) trade secret rights and  equivalent
rights;  (iii)  copyrights,  mask works and other literary property and authors'
rights,  whether or not  protected  by  copyright  or as a mask  work;  and (iv)
trademarks,  trade names, service marks,  symbols,  logos, brand names and other
proprietary indicia.

     2.15 Title to Properties; Encumbrances.

          (a) Each Affiliated  Company owns, or has a valid  leasehold  interest


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<PAGE>

     in, or valid  license  for,  all assets  necessary  for the  conduct of its
     business as currently  conducted.  All tangible  assets of each  Affiliated
     Company are in a good state of maintenance  and repair and adequate for use
     in  the  Affiliated  Company's  business  to  the  extent  of  its  current
     operations.  The Affiliated Companies own no real property. Each Affiliated
     Company enjoys peaceful and undisturbed  possession  under all leases under
     which it is operating, and all such leases are valid and subsisting in full
     force and effect without any default of the Affiliated  Company  thereunder
     and, to the best of the Affiliated Company's Knowledge, without any default
     thereunder  of any other party  thereto.  To the  Knowledge of Biomune,  no
     event has occurred  and is  continuing  which,  with due notice or lapse of
     time or both,  would  constitute  a  default  or event  of  default  by the
     Affiliated  Company under any such lease or agreement or by any other party
     thereto. Each Affiliated Company's possession of such property has not been
     disturbed and no claim has been  asserted  against the  Affiliated  Company
     that is adverse to its rights in such leasehold interests.

          (b) Each  Affiliated  Company  has good  and  marketable  title to its
     properties and assets reflected on the Financial  Reports or acquired by it
     since the date of the Financial  Reports other than  properties  and assets
     disposed  of in the  ordinary  course  of  business  since  the date of the
     Financial Reports, and all such properties and assets are free and clear of
     mortgages,   pledges,   security   interests,   liens,   charges,   claims,
     restrictions and other encumbrances, except for liens for current taxes not
     yet due and payable and minor  imperfections of title, if any, not material
     in  nature  or  amount  and not  materially  detracting  from the  value or
     impairing  the  use  of the  property  subject  thereto  or  impairing  the
     operations or proposed operations of the Affiliated Company.

     2.16  Inventory.  Excluding  return of  product in the  Ordinary  Course of
Business, all inventory of the Affiliated Companies, whether or not reflected in
the Balance Sheet,  consists of a quality and quantity usable and salable in the
ordinary   course  of  business,   except  for  obsolete   items  and  items  of
below-standard  quality,  all of which have been  written off or written down to
net realizable  value in the Balance Sheet or on the  accounting  records of the
Affiliated Companies as of the Closing Date, as the case may be. All inventories
not written off have been priced at cost basis.  The  quantities of each item of
inventory (whether raw materials,  work-in-progress,  or finished goods) are not
excessive,  but are  reasonable in the present  circumstances  of the Affiliated
Companies.

     2.17  Accounts  Receivable.  Except as  described  in  Schedule  2.17,  all
accounts and notes receivable and accrued interest  receivable of the Affiliated
Companies  have  arisen in the  Ordinary  Course of  Business  and the  accounts
receivable  reserves  reflected  on  the  Balance  Sheet  are  as of  such  date
established in accordance with GAAP consistently applied.

     2.18  Suppliers.  No Major  Supplier  has  during  the last  twelve  months
materially  increased or, to the Knowledge of Biomune,  threatened to materially
increase its prices or  materially  decreased or limited or, to the Knowledge of
the  Company,  threatened  to  materially  decrease  or limit its  provision  of
services or supplies to Biomune.  During the last twelve months,  there has been
no  termination,  cancellation  or limitation of, or any material change in, the


                                       12
<PAGE>

business  relationships  of  Biomune  with any Major  Supplier.  Except  for the
potential  sale of the Mountain  Lift product line, to the Knowledge of Biomune,
there will not be any such change in  relations  with any Major  Supplier or the
triggering of any right of termination, cancellation or penalty or other payment
by  or  to  any  Major  Supplier  in  connection  with  or as a  result  of  the
transactions  contemplated  by the Agreement that could,  individually or in the
aggregate, reasonably be expected to have a Material Adverse Effect.

     2.19 Products.  There are no statements,  citations or decisions by the FDA
or any other  Government  Entity  stating that any product  manufactured,  sold,
rented, leased, designed,  distributed or marketed at any time by any Affiliated
Company (the  "Products")  is defective or unsafe or fails to meet any standards
promulgated by the FDA or such Government Entity.  There is no (i) fact relating
to any Product that, to the Knowledge of the  Affiliated  Companies,  may impose
upon the  Affiliated  Companies a duty to recall or retrofit  such  Product or a
duty to warn customers of a defect in such Product, (ii) latent or overt design,
manufacturing  or other  defect in any Product that could,  to the  Knowledge of
Affiliated Companies,  individually or in the aggregate,  reasonably be expected
to have a Material  Adverse  Effect or (iii)  Liability  for warranty  claims or
returns  with  respect  to  any  Product  that  could,  individually  or in  the
aggregate, reasonably be expected to have a Material Adverse Effect.

     2.20 Environmental  Matters.  Biomune has no Knowledge of any claim and has
not  received any notice of any claim,  and no  proceeding  has been  instituted
raising any claim against any Affiliated  Company or any of its real  properties
now or formerly  owned,  leased or operated by it or other assets,  alleging any
damage to the environment or violation of any Environmental Laws. Biomune has no
Knowledge of any facts that would give rise to any claim,  public or private, of
violation of  Environmental  Laws or damage to the  environment  emanating from,
occurring on or  affecting  real  properties  now or formerly  owned,  leased or
operated  by any  Affiliated  Company  or to  other  assets  or  their  use.  No
Affiliated Company has stored any Hazardous Materials on real properties now or,
to the Knowledge of the Affiliated Companies, formerly owned, leased or operated
by it or has disposed of any  Hazardous  Materials  in a manner  contrary to any
Environmental Laws.

     2.21 Taxes.

          (a) The term "taxes" as used herein means all federal,  state,  local,
     foreign and other net income, gross income, gross receipts,  sales, use, ad
     valorem,  transfer,  franchise,  profits,  license, lease, service, service
     use,  withholding,   payroll,   employment,   excise,   severance,   stamp,
     occupation,  premium, property,  windfall profits, customs duties, or other
     taxes,  fees,  assessments or other charges of any kind whatever,  together
     with any interest and any penalties, additions to tax or additional amounts
     with  respect  thereto,  and the term "tax" means any one of the  foregoing
     taxes. The term "returns" as used herein, means all returns,  declarations,
     reports,  statements and other documents required to be filed in respect of
     taxes, and "return" means any one of the foregoing returns. The term "Code"
     means the Internal  Revenue Code of 1986, as amended.  All citations to the
     Code, or to the Treasury Regulations promulgated thereunder,  shall include


                                       13
<PAGE>

     any amendments or any substitute or successor provisions thereto.

          (b) Each Affiliated Company has filed all returns required to be filed
     in accordance with applicable Laws with the appropriate  Government  Entity
     in all  jurisdictions in which such returns are required to be filed.  Each
     Affiliated  Company has paid all taxes required to have been paid by it and
     adequate  reserves have been  established for all taxes accrued but not yet
     payable. No issues have been raised and are currently pending by any taxing
     authority  in  connection  with any of the returns or taxes.  No waivers of
     statutes of  limitation  with respect to any of the returns have been given
     by or requested from any Affiliated Company.  All deficiencies  asserted or
     assessments made as a result of any  examinations  have been fully paid, or
     are fully  reflected  as a  Liability  in the  Financial  Reports  as being
     contested and reserve  therefor has been established and is fully reflected
     in the  Financial  Reports.  There are no liens for  taxes  other  than for
     current  taxes not yet due and  payable  upon the assets of any  Affiliated
     Company.  All  elections  with respect to taxes  affecting  the  Affiliated
     Companies as of the date hereof are set forth in the  Financial  Reports or
     are annexed  hereto.  After the date  hereof,  no election  with respect to
     taxes will be made without the written consent of the Buyer. The Affiliated
     Companies  have not  agreed to make,  nor are they  required  to make,  any
     adjustment  under  Section  481(a)  of the Code by  reason  of a change  in
     accounting  method or otherwise.  No  Affiliated  Company is a party to any
     agreement, Contract, arrangement or plan that has resulted or would result,
     separately  or in the  aggregate,  in the payment of any "excess  parachute
     payments"  within the meaning of Section  280G of the Code.  No  Affiliated
     Company  has  and  has not had a  permanent  establishment  in any  foreign
     country as defined in any applicable  tax treaty or convention  between the
     United States of America and such foreign country.  Each Affiliated Company
     has  satisfied  all  federal,  state,  local and  foreign  withholding  tax
     requirements,  including  but not limited to income,  social  security  and
     employment tax.

          (c) No Affiliated  Company has ever filed: (i) an election pursuant to
     Section  1362 of the  Code  that an  Affiliated  Company  be  taxed as an S
     corporation;  or (ii) a  consent  pursuant  to  Section  341(f) of the Code
     relating to collapsible corporations.

     2.22 Insurance.  Each Affiliated  Company  carries  insurance  covering its
properties and businesses customary for the type and scope of its properties and
businesses, but in any event in the amounts sufficient to prevent the Affiliated
Company from becoming a co-insurer.

     2.23 Other  Agreements.  To the Knowledge of the Affiliated  Companies,  no
Affiliated  Company is a party to or  otherwise  bound by any  written,  oral or
implied Contract,  or other  restriction which  individually or in the aggregate
could Materially Adversely Affect the business, prospects,  financial condition,
operations,  property  or  affairs of an  Affiliated  Company.  Each  Affiliated
Company and, to the best of Biomune's Knowledge,  each other party thereto, have
in all material respects performed all the obligations  required to be performed
by them to date,  have  received  no notice of default  and are not in  material
default  with due notice or lapse of time or both under any lease,  agreement or
Contract now in effect to which an Affiliated  Company is a party or by which it


                                       14
<PAGE>

or its property may be bound. No Affiliated Company has a present expectation or
intention of not fully performing all its obligations  under each such Contract,
and no Affiliated  Company has Knowledge of any breach or anticipated  breach by
the other party to any Contract to which the Affiliated Company is a party.

     2.24  Loans  and  Advances.  Except  as set  forth  in  Schedule  2.24,  no
Affiliated  Company  has any  outstanding  loans or advances to any Person or is
obligated to make any such loans or advances, except, in each case, for advances
to  employees  of the  Affiliated  Company in respect of  reimbursable  business
expenses anticipated to be incurred by them in connection with their performance
of services for the Affiliated Company.

     2.25 Assumptions and Guaranties of Indebtedness.  No Affiliated Company has
assumed,  guaranteed,  endorsed or  otherwise  become  directly or  contingently
liable on any indebtedness of any other Person  including,  without  limitation,
Liability by way of agreement,  contingent or otherwise, to purchase, to provide
funds for  payment,  to supply funds to or  otherwise  invest in the debtor,  or
otherwise to assure the creditor against loss.

     2.26 Governmental  Approvals. No registration or filing with, or consent or
approval of or other action by, any federal, state or other Government Entity is
or will be  necessary  for the valid  execution,  delivery  and  performance  by
Biomune of this  Agreement and the  issuance,  sale and delivery of the Acquired
Common Stock other than filings pursuant to state securities laws and Regulation
D under the  Securities  Act, all of which  filings have been made,  or shall be
timely  made,  by Biomune in  connection  with the sale of the  Acquired  Common
Stock.

     2.27  Disclosure.  Biomune  has  fully  provided  the  Buyer  with  all the
information that the Buyer has requested.  To the Knowledge of Biomune,  neither
this  Agreement  and all Schedules  and Exhibits  hereto,  nor any other written
statements or certificates made or delivered herewith or therewith, contains any
untrue  statement of a material fact or omits to state a fact  necessary to make
the  statements  contained  herein or therein not  misleading.  There is no fact
within the Knowledge of Biomune or any of Biomune's executive officers which has
not  been  disclosed  herein  or in  writing  by them  to the  Buyer  and  which
Materially  Adversely  Affects,  or may be  reasonably  expected  to  Materially
Adversely  Affect the business,  properties,  assets or condition,  financial or
otherwise,  of the  Affiliated  Company.  Other than as stated in the Schedules,
without  limiting the  foregoing,  Biomune has no Knowledge or belief that there
exists,  or  there  is  pending  or  planned,  any  patent,  invention,  device,
application  or  principle  or  any  Law,  standard  or  condition  which  would
Materially  Adversely  Affect the  condition,  financial  or  otherwise,  or the
operations or prospects of Biomune or any other Affiliated Company.

     2.28 Offering Exemption. Subject to the accuracy of the representations and
warranties of the Buyer set forth under Article III of this Agreement, the offer
and sale of the  Acquired  Common  Stock is exempt from  registration  under the
Securities  Act pursuant to Section 4(2)  thereof,  and under  applicable  state
securities and "blue sky" laws.

     2.29  Brokers.  Except  as set  forth  in  Article  V  hereof,  no  broker,


                                       15
<PAGE>

investment banker, finder,  financial advisor or other Person is entitled to any
broker's,  finder's,  financial  advisor's or other similar fee or commission in
connection  with  the  transactions  contemplated  by this  Agreement  based  on
arrangements made by or on behalf of Biomune.

     2.30 Officers.

          (a) Set forth in Schedule  2.30 is a list of the names of the officers
     and  key   employees   of  Biomune  and  each  other   Affiliated   Company
     (collectively,  the  "Key  Employees")  together  with  the  title  or  job
     classification of each such person and the total  compensation  anticipated
     to be paid to each such person by Biomune or other Affiliated  Company,  as
     applicable, in the year 2000. Except as set forth on Schedule 2.30, none of
     such persons has an employment agreement or understanding,  whether oral or
     written,  with an Affiliated Company,  which is not terminable on notice by
     such  Affiliated  Company without cost or other liability to any Affiliated
     Company.

          (b) To the Knowledge of the Affiliated Companies, no officer, employee
     or  consultant  of  Biomune  or  any  other  Affiliated  Company  is now in
     violation  of  any  term  of any  employment  contract,  patent  disclosure
     agreement,  proprietary  information agreement,  noncompetition  agreement,
     nonsolicitation  agreement,  confidentiality agreement or any other similar
     contract or agreement or any restrictive  covenant relating to the right of
     any such  officer,  employee  or  consultant  to be  employed or engaged by
     Biomune  or any  other  Affiliated  Company  because  of the  nature of the
     business  conducted or to be  conducted by Biomune or any other  Affiliated
     Company or relating to the use of trade secrets or proprietary  information
     of others, and the continued  employment or engagement of Biomune's and the
     other  Affiliated  Company's  officers,  employees or consultants  does not
     subject  Biomune  or any  other  Affiliated  Company  or the  Buyer  to any
     liability with respect to any of the foregoing matters.

          (c) No Key Employee of Biomune or any other Affiliated Company,  whose
     termination, either individually or in the aggregate, could have a Material
     Adverse Effect on Biomune or any other Affiliated  Company,  has terminated
     his  or her  employment,  or,  to  Biomune's  Knowledge,  has  any  present
     intention of terminating  his or her  employment  with Biomune or any other
     Affiliated  Company or has any health problems that could adversely  affect
     his or her ability to continue  performing his or her duties for Biomune or
     any other Affiliated Company.

     2.31 Employees.  Each  Affiliated  Company has complied with all applicable
Laws  relating to the  employment  of labor,  including  provisions  relating to
wages, hours, equal opportunity, collective bargaining and the payment of Social
Security and other taxes, and with the Employee  Retirement  Income Security Act
of 1974, as amended ("ERISA").

     2.32 Transactions with Affiliates. Except as set forth in Schedule 2.32, no
director,  officer,  employee or shareholder of Biomune or any other  Affiliated
Company  or  member  of the  family  of any  such  person,  or any  corporation,
partnership, trust or other entity in which any such person or any member of the
family  of  any  such  person,  has a  substantial  interest  or is an  officer,


                                       16
<PAGE>

director,  trustee, partner or holder of more than 5% of the outstanding capital
stock  thereof,  is a  party  to any  transaction  with  Biomune  or  any  other
Affiliated  Company,  including any loan,  debt or contract,  agreement or other
arrangement  providing for the employment of,  furnishing of services by, rental
of real or personal property from or otherwise  requiring  payments to, any such
person or firm,  or has a  pecuniary  interest  in any  supplier  or customer of
Biomune or any other Affiliated Company or in any other business enterprise with
which Biomune or any other Affiliated Company conducts business.

     2.33 U.S. Real  Property  Holding  Corporation.  Biomune is not now and has
never been a "United States real property  holding  corporation,"  as defined in
Section  897(c)  (2) of the  Code  and  Section  1.897-2(b)  of the  regulations
promulgated by the Internal Revenue Service.

     2.34  Employees;  Benefit  Plans.  No Affiliated  Company is a party to any
collective  bargaining agreement and is not a party to any pending or threatened
labor dispute.  There is no employee of Biomune or any other Affiliated  Company
whose  employment  is not  terminable  at will.  Neither  Biomune  nor any other
Affiliated Company has any employee benefit plan.

     2.35 Contracts; No Defaults.

          (a) Biomune has delivered to Buyer true and complete copies of:

               (i)  each  Applicable  Contract  that  involves   performance  of
          services or delivery of goods or materials  by one or more  Affiliated
          Companies of an amount or value in excess of $25,000;

               (ii)  each  Applicable  Contract  that  involves  performance  of
          services or delivery of goods or materials  to one or more  Affiliated
          Companies of an amount or value in excess of $25,000;

               (iii) each  Applicable  Contract that was not entered into in the
          Ordinary Course of Business and that involves expenditures or receipts
          of one or more Affiliated Companies in excess of $10,000;

               (iv) each Applicable Contract affecting the ownership of, leasing
          of, title to, use of, or any leasehold or other  interest in, any real
          or personal  property (except personal property leases and installment
          and conditional  sales agreements having a value per item or aggregate
          payments of less than $25,000 and with terms of less than one year);

               (v) each licensing  agreement or other  Applicable  Contract with
          respect to  patents,  trademarks,  copyrights,  or other  intellectual
          property,  including  agreements  with  current  or former  employees,
          consultants,   or  contractors  regarding  the  appropriation  or  the
          non-disclosure of any of the Intellectual Property Rights;



                                       17
<PAGE>

               (vi) each collective  bargaining  agreement and other  Applicable
          Contract to or with any labor union or other  employee  representative
          of a group of employees;

               (vii)  each  joint  venture,  partnership,  and other  Applicable
          Contract  (however  named)  involving  a sharing of  profits,  losses,
          costs, or liabilities by any Affiliated Company with any Person;

               (viii) each Applicable Contract containing  covenants that in any
          way  purport to  restrict  the  business  activity  of any  Affiliated
          Company of any affiliate of an Affiliated Company or limit the freedom
          of any Affiliated Company or any affiliate of an Affiliated Company to
          engage in any line of business or to compete with any Person;

               (ix) each Applicable Contract providing for payments to or by any
          Person  based on sales,  purchases,  or  profits,  other  than  direct
          payments for goods;

               (x) each  power  of  attorney  that is  currently  effective  and
          outstanding;

               (xi) each  Applicable  Contract  entered  into  other than in the
          Ordinary  Course of Business  that contains or provides for an express
          undertaking   by  any  Affiliated   Company  to  be  responsible   for
          consequential damages;

               (xii) each Applicable Contract for capital expenditures in excess
          of $10,000;

               (xiii) each  written  warranty,  guaranty,  and or other  similar
          undertaking  with respect to contractual  performance  extended by any
          Affiliated Company other than in the Ordinary Course of Business; and

               (xiv) each amendment,  supplement, and modification (whether oral
          or written) in respect of any of the foregoing.

          (b)  To  the  Knowledge  of  the  Affiliated  Companies,  no  officer,
     director,  agent,  employee,  consultant,  or contractor of any  Affiliated
     Company is bound by any Contract that purports to limit the ability of such
     officer, director, agent, employee, consultant, or contractor to (A) engage
     in or continue any conduct,  activity, or practice relating to the business
     of any Acquired Company,  or (B) assign to any Affiliated Company or to any
     other Person any rights to any invention, improvement, or discovery.

          (c) Each  Contract  identified  or required to be  identified  in Part
     2.35(a)  is in full  force  and  effect  and is valid  and  enforceable  in
     accordance with its terms.

          (d) Except as set forth in other Schedules to this Agreement:

               (i) each Affiliated  Company is, and at all time since January 1,


                                       18
<PAGE>

          1997 has  been,  in full  compliance  with all  applicable  terms  and
          requirements of each Contract under which such Affiliated  Company has
          or had any obligation or Liability or by which such Affiliated Company
          or any of the assets  owned or used by such  Affiliated  Company is or
          was bound;

               (ii)  each  other  Person  that  has or  had  any  obligation  or
          Liability under any Contract under which an Affiliated  Company has or
          had any rights is, and at all times since January 1, 1997 has been, in
          full  compliance  with all applicable  terms and  requirements of such
          Contract;

               (iii) to the Knowledge of the Affiliated Companies,  no event has
          occurred or circumstance  exists that (with or without notice or lapse
          of time) may  contravene,  conflict  with, or result in a violation or
          breach of, or give any Affiliated Company or other 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
          Applicable Contract; and

               (iv) no  Affiliated  Company  has given to or  received  from any
          other Person,  at any time since January 1, 1997,  any notice or other
          communication (whether oral or written) regarding any actual, alleged,
          possible,  or potential  violation or breach of, or default under, any
          Contract.

          (e)  There are no  renegotiations  of,  attempts  to  renegotiate,  or
     outstanding  rights to renegotiate any material  amounts paid or payable to
     any Affiliated Company under current or completed Contracts with any Person
     and no such Person has made written demand for such renegotiation.

          (f) The  Contracts  relating  to the  sale,  design,  manufacture,  or
     provision  of Products or services by the  Affiliated  Companies  have been
     entered into in the Ordinary  Course of Business and have been entered into
     without  the  commission  of any act  alone or in  concert  with any  other
     Person, or any consideration having been paid or promised, that is or would
     be in violation of any Law.

     2.36 Year 2000.  Each  Affiliated  Company's  computer  system and software
including all software and applications developed for or sold to any customer or
client,  and all other  systems of Biomune are able to  accurately  process date
data, including but not limited to, calculating,  comparing and sequencing from,
into and between the twentieth  century through year 1999, the year 2000 and the
twenty-first  century,  including  leap year  calculations.  To the Knowledge of
Biomune, it is not aware of any inability on the part of any service provider to
any Affiliated Company to timely remedy such service provider's own deficiencies
in respect of the year 2000 problem.

     2.37  Compliance with the Nasdaq Market Listing  Requirements.  Biomune has
fully disclosed to Buyer all  communications  with Nasdaq regarding its SmallCap


                                       19
<PAGE>

Market listing since January 1, 2000.

     2.38 Compensation of Key Employees.  Biomune has not increased or otherwise
changed the  compensation  of, or paid any  bonuses to, any Key  Employee at any
time during the period  commencing  90 days prior to the date of this  Agreement
through the date of this Agreement.

                                   ARTICLE III
                   REPRESENTATIONS AND WARRANTEES OF THE BUYER

     The Buyer  represents  and  warrants to Biomune  that on the date the Buyer
purchases the Acquired Common Stock:

          (a) the Buyer is an "accredited  investor"  within the meaning of Rule
     501 under the Securities Act;

          (b) the Buyer has sufficient  Knowledge and experience in investing in
     companies  similar to Biomune in terms of Biomune's stage of development so
     as to be able to evaluate the risks and merits of its investment in Biomune
     and it is able  financially  to bear  the  risks  thereof,  and it has been
     afforded the opportunity  during the course of negotiating the transactions
     contemplated  by this  Agreement  to ask  questions  of, and to secure such
     information from, the Affiliated Companies and their officers and directors
     as it deems  necessary  to  evaluate  the  merits  of  entering  into  such
     transactions.  All such questions have been answered satisfactorily and the
     Buyer or its counsel have received and reviewed the due diligence materials
     delivered to it/them by the Affiliated Companies;

          (c) the Buyer  understands  that the Acquired Common Stock shares have
     not been registered under the Securities Act and the Buyer understands that
     no shares can be sold unless they are first registered under the Securities
     Act or unless an exemption from such registration is available;

          (d) the  Buyer is  acquiring  the  Acquired  Common  Stock for its own
     account  for  investment  only,  and not as a  nominee  and not with a view
     towards distribution of any part thereof, and that the Buyer has no present
     intention  of  selling,   granting  any   participation  in,  or  otherwise
     distributing the same;

          (e) the Buyer  understands that the Acquired Common Stock has not been
     registered  under the Securities Act. The Buyer also  understands  that the
     Acquired  Common Stock is being  offered and sold  pursuant to an exemption
     from  registration  contained in the  Securities Act based in part upon the
     Buyer's representations contained in the Agreement;

          (f) the  execution,  delivery  and  performance  by the  Buyer of this
     Agreement  have been duly  authorized by all  requisite  action of it. Upon


                                       20
<PAGE>

     execution  and  delivery,  this  Agreement  will  be a  valid  and  binding
     obligation of the Buyer,  enforceable in accordance with its terms,  except
     as limited by applicable bankruptcy, insolvency, reorganization, moratorium
     or other Laws of general  application  affecting  enforcement of creditors'
     rights and general  principles of equity that restrict the  availability of
     equity remedies;

          (g) the Buyer is duly organized and validly existing and has the power
     and authority to enter into this Agreement;

          (h) the Buyer has adequate  net worth and means of  providing  for its
     current needs and personal  contingencies to sustain a complete loss of its
     investment in Biomune;

          (i) the Buyer has no contract,  arrangement or understanding  with any
     broker,   finder  or  similar  agent  with  respect  to  the   transactions
     contemplated by this Agreement; and

          (j) the Buyer's  principal  place of business is the address set forth
     in Section 7.6 hereof.

                                   ARTICLE IV
                   CONDITIONS TO THE OBLIGATIONS OF THE BUYER

     The  obligation  of the Buyer to purchase and pay for the  Acquired  Common
Stock being  purchased by it on the Closing  Date is, at its option,  subject to
the satisfaction, on or before the Closing Date, of the following conditions:

     4.1 Opinion of Biomune's Counsel. The Buyer shall have received from Durham
Jones & Pinegar,  counsel for Biomune,  an opinion  dated the Closing Date as to
the matters set forth in Exhibit A.

     4.2   Representations   and   Warranties  To  Be  True  and  Correct.   The
representations  and warranties  contained in Article II shall be true, complete
and  correct on and as of the  Closing  Date with the same effect as though such
representations  and  warranties  had been made on and as of such date,  and the
President and Treasurer of Biomune shall have  certified to the Buyer in writing
to such effect.

     4.3  Performance.  Biomune  shall  have  performed  and  complied  with all
agreements  contained  herein  required to be performed  or complied  with by it
prior to or at the Closing  Date,  and the  President  and  Treasurer of Biomune
shall have  certified  to the Buyer in writing to such effect and to the further
effect  that all of the  conditions  set  forth  in this  Article  IV have  been
satisfied.

     4.4 Due  Diligence.  The  Buyer  shall  have  completed  its due  diligence
investigation  of Biomune and shall be satisfied in its sole  discretion  in all
respects with the findings thereof.

                                       21
<PAGE>

     4.5 Proceedings To Be Satisfactory.  All corporate and other proceedings to
be taken by Biomune in connection with the transactions  contemplated hereby and
all documents  incident  thereto shall be  reasonably  satisfactory  in form and
substance to the Buyer and its counsel, and the Buyer and its counsel shall have
received  all such  counterpart  originals  or certified or other copies of such
documents as they reasonably may request.

     4.6 Purchase by the Buyer. Subject to payment by the Buyer of the Aggregate
Purchase Price for the Acquired Common Stock on the Closing Date,  Biomune shall
have delivered a stock  certificate or  certificates  representing  the Acquired
Common Stock.

     4.7  Supporting  Documents.  The Buyer and its counsel  shall have received
copies of the following documents:

          (i) (A) a certificate  of the Secretary of State of Nevada dated as of
     a recent date as to the due incorporation and good standing of Biomune; and
     (B) a certificate of the Secretary of State of Utah as to the good standing
     of Biomune with the State of Utah.

          (ii) a  certificate  of the  Secretary  or an  Assistant  Secretary of
     Biomune dated the Closing Date and certifying: (A) that attached thereto is
     a true and complete  copy of the Bylaws of Biomune as in effect on the date
     of such  certification;  (B) that  attached  thereto is a true and complete
     copy  of  all  resolutions  adopted  by  the  Board  of  Directors  or  the
     shareholders of Biomune authorizing the execution, delivery and performance
     of this Agreement,  the issuance,  sale and delivery of the Acquired Common
     Stock and that all such  resolutions  are in full  force and effect and are
     all  the   resolutions   adopted  in  connection   with  the   transactions
     contemplated   by  this   Agreement;   (C)  that   Biomune's   Articles  of
     Incorporation  have not been amended  since the date of the last  amendment
     referred to in the certificate  delivered  pursuant to clause (i)(A) above;
     and (D) to the incumbency and specimen signature of each officer of Biomune
     executing this Agreement,  and any of the stock  certificates  representing
     the  Acquired  Common Stock and any  certificate  or  instrument  furnished
     pursuant hereto and a certification by another officer of Biomune as to the
     incumbency and signature of the officer signing the certificate referred to
     in this clause (ii); and

          (iii) such additional  supporting documents and other information with
     respect  to the  operations  and  affairs  of  Biomune as the Buyers or its
     counsel reasonably may request.

     4.8  Preemptive  Rights;   Termination  of  Shareholder   Agreements.   All
shareholders  of Biomune  having any  preemptive,  first refusal or other rights
with respect to the issuance of the Acquired Common Stock shall have irrevocably
waived the same in  writing.  All  shareholder  agreements,  voting  agreements,
registration  rights agreements and similar  agreements  relating to the capital
stock of Biomune shall have been terminated by all parties to such agreements.

     4.9 Other  Waivers and  Consents.  Biomune  shall have  obtained  all other


                                       22
<PAGE>

necessary waivers or consents to the execution of this Agreement and the related
agreements.

     4.10 Stockholder  Approvals.  As required by applicable Law, this Agreement
shall have been approved and adopted by the requisite  vote of the  stockholders
of Biomune and Buyer and the issuance of the Acquired  Common Stock  pursuant to
this  Agreement   shall  have  been  approved  by  the  requisite  vote  of  the
stockholders of Biomune.

                                    ARTICLE V
                    CONDITIONS TO THE OBLIGATIONS OF BIOMUNE

     The  obligations  of Biomune to sell and issue the  Acquired  Common  Stock
being  sold by it on the  Closing  Date is subject  to the  satisfaction,  on or
before the Closing Date, of the following conditions:

     5.1   Representations   and   Warranties  to  be  True  and  Correct.   The
representations and warranties  contained in Article III shall be true, complete
and  correct on and as of the  Closing  Date with the same effect as though such
representations  and  warranties  had been made on and as of such date,  and the
President and Treasurer of the Buyer shall have  certified to Biomune in writing
to such effect.

     5.2  Performance.  The Buyer shall have  performed  and  complied  with all
agreements  contained  herein  required to be performed  or complied  with by it
prior to or at the Closing  Date,  and the  President and Treasurer of the Buyer
shall have  certified  to the Buyer in writing to such effect and to the further
effect  that  all of the  conditions  set  forth  in this  Article  V have  been
satisfied.

     5.3 Proceedings to be Satisfactory.  All corporate and other proceedings to
be taken by the Buyer in connection with the  transactions  contemplated  hereby
and all documents incident thereto shall be reasonably  satisfactory in form and
substance  to Biomune and its  counsel,  and Biomune and its counsel  shall have
received  all such  counterpart  originals  or certified or other copies of such
documents as they reasonably may request.

     5.4  Acton  Consulting  Agreement.  The Buyer  shall  have  entered  into a
consulting  Agreement  with Michael  Acton in form and  substance  substantially
similar to the Consulting Agreement attached hereto as Exhibit "B."

                                   ARTICLE VI
                              COVENANTS OF BIOMUNE

     Biomune  covenants and agrees that,  unless the Buyer  otherwise  agrees in
writing by action of a majority of the shares of Common Stock held by the Buyer,
until  Buyer  shall  no  longer  own at least 5% of the  outstanding  shares  of
Biomune.



                                       23
<PAGE>

     6.1 Financial Statements, Reports, etc. Biomune shall maintain proper books
of accounts and records and shall deliver to Buyer:

          (a) as soon as available and in any event within 90 days after the end
     of each fiscal year of Biomune,  a copy of the annual audit report for such
     year for Biomune including therein a balance sheet of Biomune as of the end
     of such fiscal year and the statements of income,  retained earnings and of
     changes in financial position of Biomune for such fiscal year,  prepared in
     accordance with GAAP by a firm of independent public  accountants  selected
     by the Buyer and accompanied by an opinion of the accounting firm;

          (b) as soon as available and in any event within 45 days after the end
     of each fiscal  quarter in each  fiscal year of Biomune a balance  sheet of
     Biomune and the statements of income and retained earnings as of the end of
     such  quarter,  and of changes in  financial  position  of Biomune for such
     quarter and for the period  commencing  at the end of the  previous  fiscal
     year and ending with the end of such  quarter,  unaudited  but  prepared in
     accordance  with GAAP  subject to  year-end  adjustments  and as  otherwise
     permitted by Form 10-QSB of the SEC and  certified  by the Chief  Executive
     Officer  or  Chief  Financial  Officer  of  Biomune,   in  each  case  with
     comparative  statements  for the  corresponding  period in the prior fiscal
     year;

          (c) promptly following receipt by Biomune, each audit response letter,
     accountant's  management  letter  and other  written  report  submitted  to
     Biomune by its independent  public accountants in connection with an annual
     or interim audit of the books of Biomune;

          (d) promptly after the  commencement  thereof,  notice of all actions,
     suits,  claims,  proceedings,  investigations  and  inquiries  of the  type
     described in Section 2.12 that could Materially Adversely Affect Biomune;

          (e) promptly upon sending,  making  available or filing the same,  all
     press  releases,  reports and  financial  statements  that Biomune sends or
     makes available to its shareholders generally; and

          (f) promptly,  from time to time, such other information regarding the
     business, prospects, financial condition,  operations,  property or affairs
     of Biomune as the Buyer reasonably may request.

     6.2 No Issuance of Shares;  Right of First Offer.  Biomune  shall not issue
any of its securities  other than debt securities with no equity feature without
Buyer's prior written consent. In the event Buyer so consents to any issuance of
securities by Biomune, Biomune shall, prior to any issuance by Biomune of any of
its securities  other than debt securities with no equity feature,  offer to the
Buyer by written  notice the right,  for a period of 30 days,  to  purchase  the
Buyer's pro rata portion of such  securities  (as defined  below) for cash at an
amount equal to the price or other  consideration  for which such securities are
to be  issued;  provided,  however,  that the  first  offer  rights of the Buyer
pursuant to this  Section  6.2 shall not apply to  securities  issued:  (A) upon


                                       24
<PAGE>

conversion of any of the Preferred  Shares;  (B) as a stock dividend or upon any
subdivision  of shares of Common  Stock,  provided  that the  securities  issued
pursuant to such stock dividend or subdivision are limited to additional  shares
of Common Stock; (C) pursuant to subscriptions,  warrants, options,  convertible
securities, or other rights that are listed in Schedule 2.7 as being outstanding
on the Closing Date; (D) solely in consideration for the acquisition, whether by
merger or  otherwise,  by  Biomune of all or  substantially  all of the stock or
assets of any other entity where such acquisition was approved by the Buyer; (E)
pursuant to an underwritten public offering;  or (F) pursuant to the exercise of
options to purchase Common Stock granted to employees,  directors or consultants
of  Biomune,  not to  exceed  in the  aggregate  262,580  shares,  appropriately
adjusted to reflect stock splits,  stock  dividends,  combinations of shares and
the like with  respect  to the  Common  Stock,  less the  number of shares as so
adjusted  issued  pursuant to options  outstanding on the date of this Agreement
and listed in Schedule 2.7 pursuant to clause (C) above (the shares  exempted by
this  clause  (F)  being  hereinafter  referred  to as  the  "Reserved  Employee
Shares").  For purposes of this Section 6.2, the Buyer's pro rata portion  shall
be an amount  equal to the total number of  securities  to be offered by Biomune
multiplied  by a  fraction,  the  numerator  of which is the number of shares of
Common Stock held by Buyer and the  denominator of which is the sum of the total
number of shares of Common  Stock  that are issued  and  outstanding.  Biomune's
written notice to the Buyer shall describe the securities  proposed to be issued
by Biomune and shall specify the number,  price and payment terms. The Buyer may
accept Biomune's offer as to the full number of securities  offered to it or any
lesser  number,  by written  notice  thereof given by it to Biomune prior to the
expiration of the aforesaid 30-day period, in which event Biomune shall promptly
sell and the Buyer shall buy, upon the terms specified, the number of securities
agreed to be purchased by the Buyer.  Biomune shall be free at any time prior to
60 days after the  expiration  of such 30-day  period,  to offer and sell to any
third party or parties the number of such  securities not agreed by the Buyer to
be purchased by it, at a price and on payment terms no less favorable to Biomune
than those  specified  in such  notice of offer to the Buyer.  However,  if such
third party sale or sales are not consummated within such 60-day period, Biomune
shall not sell such  securities  as shall not have been  purchased  within  such
period without again complying with this Section 6.2.

     6.3 Corporate Existence. Biomune shall maintain, and shall cause each other
Affiliated  Company to maintain,  its corporate  existence and all of its rights
and licenses necessary to maintain its business in full force and effect.

     6.4 Properties,  Business,  Insurance.  Biomune shall  maintain,  and shall
cause each  other  Affiliated  Company to  maintain,  as to its  properties  and
business, with financially sound and reputable insurers,  insurance against such
casualties  and  contingencies  and of  such  types  and in such  amounts  as is
consistent with its Ordinary Course of Business.

     6.5 Inspection,  Consultation and Advice.  Biomune shall permit,  and shall
cause  each   other   Affiliated   Company   to   permit,   the  Buyer  and  its
representatives, upon reasonable advance notice to Biomune, to visit and inspect
any of the  properties  of the  Affiliated  Companies,  examine  their books and
records and take copies and extracts  therefrom,  discuss the affairs,  finances


                                       25
<PAGE>

and accounts of the  Affiliated  Companies  with their  officers,  employees and
public  accountants  and Biomune hereby  authorizes,  and shall cause each other
Affiliated Company to authorize,  said accountants to discuss with the Buyer and
such designees such affairs,  finances and accounts, and consult with and advise
the management of Biomune and each other  Affiliated  Company as to its affairs,
finances and accounts, all at reasonable times and upon reasonable notice.

     6.6 Restrictive Agreements Prohibited. No Affiliated Company shall become a
party to any agreement that by its terms restricts Biomune's performance of this
Agreement or Biomune's Articles of Incorporation.

     6.7 Transactions  with Affiliates.  Except as set forth in Schedule 6.7, or
as otherwise  approved by the Board of  Directors  of Biomune  after the Closing
Date,  Biomune shall not enter into any transaction with any director,  officer,
employee or holder of more than 5% of the outstanding capital stock of any class
or series of capital stock of Biomune,  member of the family of any such person,
or any corporation, partnership, trust or other entity in which any such person,
or member of the family of any such  person,  is a director,  officer,  trustee,
partner  or holder of more than 5% of the  outstanding  capital  stock  thereof,
except for transactions on customary terms related to such person's employment.

     6.8 Use of Proceeds.  Biomune  shall use the proceeds  from the sale of the
Acquired Common Stock solely as working capital in accordance with Schedule 6.8.

     6.9  Compensation.  Biomune,  through  its  President,  may pay,  accrue or
otherwise  provide  compensation and bonuses to any employee in any amounts that
he or she deems reasonable;  provided,  however, that Biomune shall not, without
Buyer's prior written consent, after recommendation by the President:  (a) award
or grant any  options  to Key  Employees  for the  purchase  of Common  Stock or
Preferred  Stock or award,  grant,  issue or sell any Common  Stock or Preferred
Stock to any Key  Employees;  (b)  increase  the base  salary  paid,  accrued or
otherwise  provided to any of the Key Employees in or with respect of any fiscal
year by an amount in excess of 10% of such base salary in or with respect of the
prior fiscal year,  provided that no such  increase may be effected  until after
the first  anniversary  of the Closing Date; or (c) pay bonuses to Key Employees
for any fiscal year.

     6.10  Bylaws.  Biomune  shall at all times cause its Bylaws to provide that
unless otherwise required by the laws of the state of its incorporation, (a) any
one director and (b) any holder or holders of at least 19.9% of the  outstanding
shares of Common Stock, shall have the right to call a meeting, respectively, of
the Board of  Directors or  shareholders.  Biomune  shall at all times  maintain
provisions  in  its  Bylaws  and  Articles  of  Incorporation  indemnifying  all
directors  against  Liability  and absolving  all  directors  from  Liability to
Biomune and its  shareholders to the maximum extent  permitted under the laws of
the state of its incorporation. Biomune's Bylaws shall provide that at least one
of the  directors  designated  solely  by a  holder  of at  least  19.9%  of the
outstanding  shares of Common Stock will be a member of any committee created by


                                       26
<PAGE>

the Board of Directors.

     6.11  Granting of Options.  Biomune shall not grant to any of its officers,
employees  or  consultants  options to  purchase  Common  Stock or any  security
convertible  into  Common  Stock or change  the  pricing  or other  terms of any
outstanding options without Buyer's prior written consent.

     6.12 Compliance with Laws. Biomune shall comply, and shall cause each other
Affiliated Company to comply, with all applicable Laws, noncompliance with which
could Materially Adversely Affect an Affiliated Company's business or condition,
financial or otherwise.

     6.13 Change in Nature of Business.  Biomune shall not, and shall cause each
other  Affiliated  Company not to, make any material change in the nature of its
business to something unrelated to that conducted on the Closing Date, except as
approved by the Buyer.

     6.14 Tax Payments.  Biomune  shall,  and shall cause each other  Affiliated
Company to, prepare and timely file all tax returns  required to be filed by it,
and Biomune shall, and shall cause each other Affiliated  Company to, timely pay
any  taxes  and  estimated  taxes,  including  additions  to tax,  interest  and
penalties,  required to be paid by Biomune after the date hereof.  All transfer,
excise or other  taxes  payable to any  jurisdiction  in the  United  States and
outside the United  States by reason of the sale and  transfer  of the  Acquired
Common  Stock  pursuant  to this  Agreement  shall  be paid or  provided  for by
Biomune.  All federal and state income tax returns of the  Affiliated  Companies
for  any  period  shall  be  prepared  and  signed  by a  nationally  recognized
accounting  firm.  The  preparation  of such returns  shall be at an  Affiliated
Company's expense.

     6.15 Material Changes and Litigation.  Biomune shall use reasonable efforts
to promptly notify of the Buyer of any material  adverse change in the business,
properties,  assets  or  condition  of  any  Affiliated  Company,  financial  or
otherwise, as distinguished from general information about the biopharmaceutical
and  nutraceutical  industries or general market and economic  conditions and of
any litigation or governmental  proceeding or  investigation  pending or, to the
Knowledge of Biomune,  threatened against any Affiliated Company, or against any
officer,  director, Key Employee or principal  shareholder,  which, if adversely
determined, would Materially Adversely Affect an Affiliated Company's present or
then  contemplated  business,  properties,  assets or  conditions,  financial or
otherwise.

     6.16 New  Developments.  Biomune  shall  cause,  and shall cause each other
Affiliated  Company to cause,  all  technological  developments,  patentable  or
unpatentable inventions, discoveries or improvements by any Affiliated Company's
employees or consultants to be documented in accordance  with industry  practice
and, where possible and appropriate,  to file and prosecute,  on a timely basis,
United  States and  foreign  patent,  copyright,  trademark,  mask work or other
Intellectual  Property  Rights  applications  relating  to  and  protecting  the
Affiliated  Company's  inventions,  discoveries or developments on behalf of the
Affiliated Company.



                                       27
<PAGE>

     6.17  Assets.  Except for the sale of the  Mountain  Lift  product line and
sales of  Purizer  Corporation  common  stock,  in either  case only if the sale
proceeds  are used for  satisfaction  of  outstanding  accounts  payable owed to
independent  third  parties,  Biomune  shall  not,  and shall  cause  each other
Affiliated  Company not to, sell (other than sales of  inventory in the Ordinary
Course of  Business),  lease,  or  otherwise  dispose of any asset or  property,
including  Intellectual  Property Rights, of any Affiliated Company or mortgage,
pledge or permit the imposition of any lien or other encumbrance on any asset or
property, including Intellectual Property Rights, of any Affiliated Company.

     6.18 No  Negotiation.  Biomune  shall  not,  and  shall  cause  each  other
Affiliated  Company  not  to,  directly  or  indirectly  solicit,  initiate,  or
encourage any inquiries or proposals from,  discuss or negotiate  with,  provide
any  non-public  information  to, or  consider  the  merits  of any  unsolicited
inquiries  or  proposals  from,  any Person  (other than Buyer)  relating to any
transaction  involving  the sale of the business or assets  (other than sales of
inventory in the Ordinary Course of Business) of any Affiliated  Company, or any
of the capital stock of any Affiliated  Company,  or any merger,  consolidation,
business  combination,  or similar transaction involving any Affiliated Company.
Nothing  contained in this Section 6.18 shall prohibit the Board of Directors of
Biomune  from  furnishing  information  to,  or  entering  into  discussions  or
negotiations  with, any Person that makes an  unsolicited  bona fide proposal to
acquire an  Affiliated  Company  pursuant to a merger,  consolidation,  business
combination,  or similar  transaction,  if, and only to the extent that, (a) the
Board of Directors of Biomune, after consultation with and based upon the advice
of  independent  legal  counsel,  determines  in good faith that such  action is
required  for the Board of  Directors  of Biomune to comply  with its  fiduciary
duties to stockholders  imposed by law, (b) prior to furnishing such information
to, or entering into  discussions or  negotiations  with,  such person,  Biomune
provides written notice to Buyer to the effect that it is furnishing information
to, or entering into  discussions or  negotiations  with,  such person,  and (c)
Biomune keeps Buyer  informed,  on a current basis, of the status and details of
any such discussions or negotiations.

     6.19 Indemnification.

          (a) In addition to all rights and  remedies  available to the Buyer at
     law or in equity,  Biomune  shall  indemnify,  defend and hold harmless the
     Buyer  and  any  parent,   subsidiary,   associate,   affiliate,   partner,
     shareholder,  director, officer, employee or agent of the Buyer (all of the
     foregoing are collectively  referred to as the "Indemnified  Parties") from
     and  against  and pay on  behalf  of or  reimburse  such  party as and when
     incurred all losses, including,  without limitation,  diminutions in value,
     Liabilities,  demands, claims, actions or causes of action, costs, damages,
     judgments, debts, settlements, assessments, deficiencies, taxes, penalties,
     fines or expenses, whether or not arising out of any claims by or on behalf
     of any third party,  including interest,  penalties,  reasonable attorneys'
     fees and expenses and all reasonable amounts paid in investigation, defense
     or settlement of any of the foregoing  (collectively,  "Losses")  which any
     such party may  suffer,  sustain or become  subject  to, as a result of, in


                                       28
<PAGE>

     connection with, or relating to or by virtue of:

               (i)  any  material   misrepresentations  or  material  breach  of
          warranty on the part of Biomune under Article II;

               (ii) any material  misrepresentation in or material omission from
          any of the representations or warranties contained in any certificate,
          document or instrument  or the Schedules  delivered to the Buyer by or
          on behalf of Biomune in connection herewith;

               (iii) any  material  nonfulfillment  or breach of any covenant or
          agreement  on the part of Biomune  under this  Agreement  or under any
          certificate, document or instrument delivered in connection therewith;
          or

               (iv) any action,  demand,  proceeding,  investigation or claim by
          any third party,  including,  without limitation,  Government Entities
          against or affecting an Affiliated  Company or any of their affiliates
          which, if successful,  would give rise to or evidence the existence of
          or  relate  to  a  material   breach  of  (A)  any  of  the   material
          representations or warranties at the time made or (B) the covenants of
          Biomune.

          (b) All  indemnification  rights hereunder shall survive the execution
     and delivery of this  Agreement and the  consummation  of the  transactions
     contemplated  hereunder  for a  period  of  two  years,  regardless  of any
     investigation,  inquiry  or  examination  made for or on behalf  of, or any
     Knowledge of, the Buyer and/or any of the other Indemnified  Parties or the
     acceptance by the Buyer of any certificate or opinion.

          (c) If for any reason the indemnity  provided for in this Section 6.19
     is unavailable to any  Indemnified  Party or is  insufficient  to hold each
     such  Indemnified  Party harmless from all such Losses arising with respect
     to  the  transactions   contemplated   hereunder,   then  Biomune  and  the
     Indemnified  Party shall each  contribute  to the amount paid or payable by
     such Loss in such  proportion  as is  appropriate  to reflect  not only the
     relative benefits received by Biomune on the one hand, and such Indemnified
     Party on the other, but also the relative fault of Biomune on the one hand,
     and the Indemnified  Party on the other, as well as any relevant  equitable
     considerations.  In addition,  Biomune agrees to reimburse any  Indemnified
     Party upon demand for all  reasonable  expenses,  including  legal  counsel
     fees,  incurred  by such  Indemnified  Party or any such  other  person  in
     connection  with  investigating,  preparing or defending any such action or
     claim. The indemnity,  contribution and expense  reimbursement  obligations
     that  Biomune  has under  this  Section  6.19 shall be in  addition  to any
     liability that Biomune may otherwise have.  Biomune further agrees that the
     indemnification  and reimbursement  commitments set forth in this Agreement
     shall apply whether or not the  Indemnified  Party is a formal party to any
     such lawsuits, claims or other proceedings.

          (d) Any  indemnification  of either the Buyer or any other Indemnified
     Party by Biomune  pursuant to this  Section  6.19 shall be effected by wire


                                       29
<PAGE>

     transfer  of  immediately  available  funds  from  Biomune  to  an  account
     designated  by the Buyer or such  other  Indemnified  Party  within 15 days
     after the determination thereof.


                                   ARTICLE VII
                                  MISCELLANEOUS

     7.1  Expenses.  Each party hereto will pay its own  expenses in  connection
with the  transactions  contemplated  hereby,  whether or not such  transactions
shall be consummated.

     7.2 Survival of Agreements. All covenants, agreements,  representations and
warranties  made  herein  or in  any  other  agreement,  or any  certificate  or
instrument  delivered  to the  Buyer  pursuant  to or in  connection  with  this
Agreement, shall survive the Closing for a period of two years.

     7.3 Remedies.  In case any one or more of the representations,  warranties,
covenants or agreements set forth in this Agreement  shall have been breached by
any  party  hereto,  the  party  or  parties  entitled  to the  benefit  of such
representations,  warranties, covenants or agreements may proceed to protect and
enforce  their  rights  either  under  the  Indemnification  provisions  of this
Agreement or by suit in equity and/or action at law, including,  but not limited
to, an action for  damages as a result of any such  breach  and/or an action for
specific  performance  of any  such  covenant  or  agreement  contained  in this
Agreement.  The rights,  powers and remedies of the parties under this Agreement
are cumulative and not exclusive of any other right,  power or remedy which such
parties  may have  under  any other  agreement  or law.  No  single  or  partial
assertion or exercise of any right,  power or remedy of a party  hereunder shall
preclude any other or further assertion or exercise thereof.

     7.4 Brokerage. Biomune or the Buyer, as applicable, will indemnify and hold
harmless  the Buyer or  Biomune,  as  applicable,  against and in respect of any
claim for brokerage or other  commissions  relative to this  Agreement or to the
transactions  contemplated hereby, based in any way on agreements,  arrangements
or understandings made or claimed to have been made with any third party.

     7.5 Parties in Interest.  All  representations,  covenants  and  agreements
contained in this  Agreement by or on behalf of any of the parties  hereto shall
bind and inure to the benefit of the  respective  successors  and assigns of the
parties hereto whether so expressed or not.  Without  limiting the generality of
the foregoing,  all  representations,  covenants and  agreements  benefiting the
Buyer shall inure to the benefit of any and all subsequent  holders from time to
time of the Acquired Common Stock.

     7.6 Notices.  All  notices,  requests,  consents  and other  communications
hereunder  shall be in  writing  and  shall be  delivered  in  person or sent by
overnight delivery or by certified or registered mail, return receipt requested,
addressed as follows:



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<PAGE>

          (a) if to Biomune, at Biomune Systems, Inc., 64 East Winchester, Suite
     303, Salt Lake City, Utah 84107,  telecopier:  (801)  261-5123,  Attention:
     President,  with a copy  to  Kevin  R.  Pinegar,  Esquire,  Durham  Jones &
     Pinegar,  111 East  Broadway,  Suite  900,  Salt  Lake  City,  Utah  84111,
     telecopier: (801) 415-3500;

          (b) if to the Buyer, at Donlar Corporation,  6502 South Archer Avenue,
     Bedford  Park,  Illinois  60501,  telecopier:  (708)  563-9212,  Attention:
     Lawrence P. Koskan,  with a copy to Eric Fogel,  Esquire,  Duane,  Morris &
     Heckscher  LLP,  227 West Monroe  Street,  Suite 3400,  Chicago,  IL 60606,
     telecopier: (312) 499-6701;

or, in any such case,  at such other  address  or  addresses  as shall have been
furnished in writing by such party to the others.

All notices,  consents or other communications required or permitted to be given
under this Agreement  shall be deemed to have been duly given (i) when delivered
personally,  (ii) three  business  days after being  mailed by first class mail,
postage  prepaid,  or (iii) one  business  day after  being sent by a  reputable
overnight delivery service,  postage or delivery charges prepaid, to the parties
at their  respective  addresses  stated on the signature page of this Agreement.
Notices  may also be given by  telecopier  and  shall be  effective  on the date
transmitted if confirmed within 24 hours thereafter by a signed original sent in
the manner provided in the preceding sentence.

     7.7  Governing  Law. This  Agreement  shall be governed by and construed in
accordance   with  the  laws  of  the  State  of  Nevada   notwithstanding   any
conflicts-of-law  doctrines  of such  state  or any  other  jurisdiction  to the
contrary.  EACH OF THE PARTIES  HEREBY  WAIVES ANY RIGHT IT MAY HAVE TO TRIAL BY
JURY IN ANY LITIGATION DIRECTLY OR INDIRECTLY ARISING OUT OF THIS AGREEMENT.

     7.8 Entire  Agreement.  This  Agreement,  including the  Schedules  hereto,
together with the other writings referred to herein or delivered pursuant hereto
which  form a part  hereof,  constitutes  the sole and entire  agreement  of the
parties with respect to the subject  matter  hereof.  All  Schedules  hereto are
hereby incorporated herein by reference.

     7.9   Counterparts.   This  Agreement  may  be  executed  in  two  or  more
counterparts,  each of  which  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

     7.10  Amendments.  This  Agreement  may not be amended or modified,  and no
provisions hereof may be waived,  without the written consent of Biomune and the
Buyer.

     7.11 Severability.  The invalidity or unenforceability of any term, phrase,
clause, paragraph,  restriction,  covenant,  agreement or other provision hereof
shall in no way affect the validity or enforceability of any other provision, or
any part thereof,  but this  Agreement  shall be construed as if such invalid or


                                       31
<PAGE>

unenforceable term, phrase, clause, paragraph, restriction,  covenant, agreement
or other  provision had never been contained  herein unless the deletion of such
term,  phrase,  clause,  paragraph,  restriction,  covenant,  agreement or other
provision  would result in such a material  change as to cause the covenants and
agreements contained herein to be unreasonable or would materially and adversely
frustrate the objectives of the parties as expressed in this Agreement.

     7.12 Titles and Subtitles.  The titles and subtitles used in this Agreement
are  for  convenience  only  and  are  not to be  considered  in  construing  or
interpreting any term or provision of this Agreement.

     7.13 Public Announcements.  Biomune and Buyer shall consult with each other
before  issuing  any press  release or  otherwise  making  any public  statement
relating to the subject  matter of this  Agreement  and shall not issue any such
press release or make any such public  statement prior to such  consultation and
without the consent of the other party which shall not be unreasonably withheld,
except as may be required by federal securities laws.

                                  ARTICLE VIII
                                   DEFINITIONS

     8.1   "Affiliated   Companies"   means   Biomune   and  its   Subsidiaries,
collectively.

     8.2 "Applicable Contract" means any Contract (a) under which any Affiliated
Company has or may acquire any rights,  (b) under which any  Affiliated  Company
has or may become  subject to any  obligation or Liability,  or (c) by which any
Affiliated  Company  or any of the  assets  owned or used by it is or may become
bound.

     8.3 "Common Stock" means Biomune's common stock, $.0001 par value.

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

     8.5  "Environmental  Laws"  means any and all Laws,  permits,  concessions,
grants, franchises,  licenses,  agreements or governmental restrictions relating
to  pollution  and the  protection  of the  environment  or the  release  of any
materials into the  environment,  including but not limited to those relating to
hazardous  substances or wastes, air emissions and discharges to waste or public
systems.

     8.6 "Exchange Act" means the  Securities  Exchange Act of 1934, as amended,
or any  successor  federal  statute,  and the rules and  regulations  of the SEC
thereunder,  all as the same  shall be in  effect at the  time.  Reference  to a
particular section of the Exchange Act shall include reference to the comparable
section, if any, of any successor federal statute.



                                       32
<PAGE>

     8.7 "GAAP" means United States generally accepted accounting  principles as
in effect from time to time.

     8.8  "Government  Entity"  means  any  supranational,   national,  foreign,
federal,  state or local judicial,  legislative,  executive,  administrative  or
regulatory body or authority.

     8.9 "Hazardous  Material" means any and all pollutants,  toxic or hazardous
wastes or any other  substances,  including but not limited to biomedical waste,
that  might  pose a hazard to  health or  safety,  the  removal  of which may be
required  or the  generation,  manufacture,  refining,  production,  processing,
treatment, storage, handling, transportation,  transfer, use, disposal, release,
discharge,  spillage, seepage, or filtration of which is or shall be restricted,
prohibited or penalized by any applicable Law  (including,  without  limitation,
asbestos, urea formaldehyde foam insulation and polychlorinated biphenyls).

     8.10  "Knowledge"  or "to Know" means  actual  knowledge  after  reasonable
investigation.

     8.11 "Laws" includes any foreign,  federal,  state, or local law,  statute,
rule,  regulation,  Order or other  restriction of any court or other Government
Entity.

     8.12 "Liability" means any debt, liability or obligation,  whether known or
unknown,  asserted or unasserted,  accrued,  absolute,  contingent or otherwise,
whether due or to become due.

     8.13  "Major  Supplier"  means a supplier  of $50,000 or more in  materials
and/or  services  to Biomune  or any other  Affiliated  Company  during the last
twelve months.

     8.14 "Material  Adverse Effect" or "Materially  Adversely Affect" means any
event or  change  which has a  material  adverse  effect on (a) the  properties,
business, prospects,  operations, earnings, assets, liabilities or the condition
(financial or otherwise) of the Affiliated  Companies taken as a whole,  whether
or not in the Ordinary Course of Business, (b) the ability of Biomune and any of
the other Affiliated  Companies to perform its obligations  under this Agreement
or (c) the validity or enforceability of this Agreement.

     8.15  "Ordinary  Course of  Business"  an action  taken by a Person will be
deemed to have been taken in the "Ordinary Course of Business" only if: (a) such
action is  consistent  with the past  practice  of such Person  (including  with
respect to quality and  frequency)  and is taken in the  ordinary  course of the
normal day-to-day operations of such Person; and (b) 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.

     8.16  "Organizational  Documents"  means the  articles  or  certificate  of
incorporation and the bylaws of a corporation; the partnership agreement and any
statement  of  partnership  of a general  partnership;  the limited  partnership
agreement  and  the  certificate  of  the  limited   partnership  of  a  limited


                                       33
<PAGE>

partnership; any charter or similar document adopted or filed in connection with
the creation,  formation,  or organization of a Person; and any amendment to any
of the foregoing.

     8.17 "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 Government Entity.

     8.18 "Preferred Stock" means Biomune's preferred stock, $.0001 par value.

     8.19 "SEC" means the United States Securities and Exchange Commission.

     8.20 "SEC Reports" has the meaning ascribed thereto in Section 2.9.

     8.21 "Securities Act" shall mean the Securities Act of 1933, as amended, or
any  successor  federal  statute,  and  the  rules  and  regulations  of the SEC
thereunder,  all as the same  shall be in  effect at the  time.  Reference  to a
particular  section  of  the  Securities  Act  shall  include  reference  to the
comparable section, if any, of any successor federal statute.

     8.22 "Stock  Incentive  Plans" means  Biomune's 1992 Stock  Incentive Plan,
1993 Stock  Incentive Plan, 1995 Stock Incentive Plan, 1996 Stock Incentive Plan
and 1999 Stock  Incentive  Plan, and any other stock  incentive plans adopted by
Biomune.

     8.23  "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 that  corporation's  or other  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.


                            (Signature page follows.)



                                       34
<PAGE>




         IN WITNESS WHEREOF,  Biomune and the Buyer have executed this Agreement
as of the day and year first above written.


                                        BIOMUNE SYSTEMS, INC.


                                        By:

                                        Title:


                                        DONLAR CORPORATION


                                        By:

                                        Title:




                                       35
<PAGE>



                                    EXHIBIT A

1. The Agreement has been duly authorized, executed and delivered by Biomune and
constitutes  a legal,  valid and  binding  obligation  of  Biomune,  enforceable
against   Biomune  in  accordance   with  its  terms,   subject  to  bankruptcy,
reorganization,  insolvency and other similar Laws affecting the  enforcement of
creditors' rights in general and to general principles of equity.

2. The authorized  capital stock of Biomune  consists of  500,000,000  shares of
Common  Stock,  $.0001 par value,  and  50,000,000  shares of  Preferred  Stock.
8,599,900  shares  of Common  Stock and  38,523  shares of  Preferred  Stock are
outstanding.  As a result  of the  delivery  of  certificates  to Buyer  and the
payment to Biomune  being made at the Closing,  Buyer is acquiring  ownership of
the Acquired Common Stock free and clear of all adverse claims.

3. Each Affiliated Company is a corporation duly organized, validly existing and
in good standing under the laws of its jurisdiction of incorporation,  with full
corporate  power  and  authority  to own its  properties  and to  engage  in its
business as presently  conducted or  contemplated,  and is duly qualified and in
good standing as a foreign corporation under the laws of each other jurisdiction
in which it is authorized to do business as set forth in Schedule 2.1(a). All of
the  outstanding  capital stock of each Subsidiary of Biomune is owned or record
by Biomune, free and clear of all adverse claims.

4. Neither the execution and delivery of the Agreement nor the  consummation  of
any or all the transactions  contemplated  thereby (a) breaches or constitutes a
default  (or an  event  that,  with  notice  or  lapse  of time or  both,  would
constitute a default)  under any agreement or commitment to which any Affiliated
Company is a party,  (b) violates any statute,  law,  regulation or rule, or any
judgment,  decree or order of any court or other Government Entity applicable to
any  Affiliated  Company,  or (c) violates any  provision of the  Organizational
Documents of any Affiliated Company.

5.  No  consent,  approval  or  authorization  of,  or  declaration,  filing  or
registration  with,  any  Government  Entity is required in connection  with the
execution,  delivery and performance of the Agreement or the consummation of the
transactions contemplated thereby.



                                       36
<PAGE>



                                  Schedule 6.8

                                 Use of Proceeds


         Purpose                           Approximate Amount

Current payables                           $        350,000
Acton loan                                          201,000
Fairness opinion - merger                           125,000
Legal/accounting for merger proxy                   100,000
General working capital                             324,000
                                           ----------------

                            Total:         $      1,100,000






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