Document:

Prepared by R.R. Donnelley Financial -- Registration Rights Agreement dated 6/11/02

 EXHIBIT 4.1 
  
 REGISTRATION RIGHTS AGREEMENT 
  
 This REGISTRATION RIGHTS AGREEMENT (this
“Agreement”), dated as of June 11 , 2002, is entered into between DENDREON CORPORATION, a Delaware corporation (the “Company”), and BNY CAPITAL MARKETS, INC., a registered broker dealer organized under the laws of New York and a
subsidiary of The Bank of New York (the “Investor”). 
  
 WHEREAS, the Company and the Investor have entered
into that certain Private Equity Line Financing Agreement (the “Financing Agreement”), dated as of the date hereof, pursuant to which the Company has agreed to issue and sell to the Investor, for an aggregate purchase price of up to
$25,000,000, shares of the Company’s Common Stock, $0.001 par value per share (the “Common Stock”), from time to time as provided in the Financing Agreement; and 
  
 WHEREAS, pursuant to the terms of, and in partial consideration for, the Investor’s agreement to enter into the Financing Agreement, the Company has agreed to provide
the Investor with certain registration rights with respect to the Common Stock issued under the Financing Agreement; 
  
 NOW, THEREFORE, in consideration of the foregoing premises, the representations, warranties, covenants and agreements contained herein and in the Financing Agreement and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, intending to be legally bound hereby, the parties hereto agree as follows: 
  
 ARTICLE I 
  
 DEFINITIONS 
  
 SECTION 1.1    DEFINITIONS.    Capitalized terms used herein and defined in the Financing Agreement shall have the same respective
meanings herein as are ascribed to them therein. In addition, the following terms shall have the meanings ascribed to them below: 
  
 “Investor” shall mean the Investor referenced in the preamble, and, unless the context otherwise requires, shall include any assignee or transferee of the Investor who becomes bound by this Agreement in accordance with
Section 4.4 hereof. 
  
 “Registrable Securities” means all of the shares of Common Stock issued or issuable
under the Financing Agreement and any other shares of Capital Stock issued or issuable as a dividend on or with respect to such shares of Common Stock, it being understood that any such share of Common Stock or Capital Stock shall no longer be
deemed a “Registrable Security” under this Agreement at such time as (i) a registration statement under the Securities Act covering the offer and sale of such share of Common Stock or Capital Stock has been declared effective by the
Commission and such share of Common Stock or Capital Stock has been disposed of pursuant to such effective registration statement, (ii) such share of Common Stock or Capital Stock is sold under circumstances in which all of the applicable conditions
of Rule 144 (or any similar provision then in force) under the Securities Act (“Rule 144”) are met, (iii) in the opinion of counsel to the Company, which counsel shall be reasonably acceptable to the Investor, such share of Common Stock or
Capital Stock may be sold without any time, volume or manner limitation pursuant to Rule 144(k) (or any similar provision then in effect) under the Securities Act, or (iv) any combination of the foregoing relating to such share. 

 
 “Registration Statement” means the registration statement on such form promulgated by the Commission for which the
Company then qualifies and which counsel for the Company shall deem appropriate and which form shall be available for the resale of the Registrable Securities to be registered thereunder in accordance with the provisions of this Agreement, and in
accordance with the intended method of distribution of such securities, for the registration of the resale by the Investor of the Registrable Securities under the Securities Act filed by the Company pursuant to Section 2.1(a) and all amendments and
supplements thereto (including post-effective amendments) and all exhibits and materials incorporated by reference therein. 
 

  
 ARTICLE II 
  
 REGISTRATION RIGHTS 
  
 SECTION
2.1    REGISTRATION REQUIREMENTS.    The Company shall use its commercially reasonable best efforts to effect the registration of the Registrable Securities (including, without limitation, the execution of an
undertaking to file post-effective amendments, appropriate qualification under applicable blue sky or other state securities laws and appropriate compliance with applicable regulations issued under the Securities Act) as would permit or facilitate
the sale or distribution of all the Registrable Securities in the manner (including manner of sale) and in all states reasonably requested by the Investor. Such commercially reasonable best efforts by the Company shall include the following:

  
 (a)  The Company will promptly prepare and file with the Commission a registration statement (the
“Registration Statement”) on Form S-3 (if use of such form is then available to the Company pursuant to the rules of the Commission and, if not, on such other form promulgated by the Commission for which the Company then qualifies and that
counsel for the Company shall deem appropriate and which form shall be available for the resale of the Registrable Securities to be registered thereunder in accordance with the provisions of this Agreement and in accordance with the intended method
of distribution of such Registrable Securities), and use its commercially reasonable best efforts to cause such filed Registration Statement to become effective by the Effectiveness Deadline. The “Effectiveness Deadline” shall mean 90 days
from the date of this Agreement. In the event the Registration Statement shall not have been declared effective by the Commission by the Effectiveness Deadline, the Investor shall have the right to terminate the Financing Agreement. The Company will
promptly prepare and file with the Commission such amendments and supplements to the Registration Statement and the prospectus used in connection therewith as may be necessary to keep the Registration Statement effective for a period of not less
than: (i) in the case of a non-underwritten offering of Registrable Securities, until there shall no longer be any Registrable Securities or (ii) with respect to an underwritten offering of Registrable Securities, until the completion of the
distribution of Registrable Securities covered by the Registration Statement (but not before the expiration of the period referred to in Section 4(3) of the Securities Act and Rule 174 thereunder, if applicable) or such longer period as any
underwriter in such offering may be required to deliver a prospectus in connection with resales of such securities. 
  
 (b)  The amount of Registrable Securities covered by the initial Registration Statement shall equal the Maximum Share Amount (as defined in the Financing Agreement). 
  

(c)  The Company will, reasonably prior to filing the Registration Statement or prospectus or any amendment or supplement thereto (and at least three
business days prior in the case of the initial Registration Statement), furnish to the Investor and its counsel copies of such Registration Statement and prospectus or any amendment or supplement thereto as proposed to be filed, together with
exhibits thereto, which documents will be subject to review and comment by the foregoing persons, and thereafter furnish to the Investor and its counsel such number of copies of such Registration Statement, each amendment and supplement thereto (in
each case including all exhibits thereto), the prospectus included in such Registration Statement (including each preliminary prospectus) and such other documents or information as the Investor or its counsel may reasonably request in order to
facilitate the disposition of the Registrable Securities. 
  
 (d)  The Company will use its commercially
reasonable best efforts to (i) register or qualify such Registrable Securities under such other securities or blue sky laws of such jurisdictions in the
 
 

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United States as the Investor may reasonably (in light of its intended plan of distribution) request (unless the Registrable Securities are exempt from registration or qualification in such
jurisdiction) and (ii) if applicable, cause such Registrable Securities to be registered with or approved by such other governmental agencies or authorities in the United States as may be necessary by virtue of the business and operations of the
Company; provided that the Company will not be required to (A) qualify generally to do business in any jurisdiction where it would not otherwise be required to qualify but for the fulfillment of its obligation under this paragraph (d),
(B) subject itself to taxation in any such jurisdiction or (C) consent or subject itself to general service of process in any such jurisdiction. 
  
 (e)  The Company will promptly notify the Investor upon the occurrence of any of the following events (to the extent that the Company has actual knowledge of such events) in respect of the
Registration Statement or related prospectus in respect of an offering of Registrable Securities: (i) receipt of any request for additional information by the Commission or any other federal or state governmental authority during the period of
effectiveness of the Registration Statement for amendments or supplements to the Registration Statement or related prospectus; (ii) the issuance by the Commission or any other federal or state governmental authority of any stop order suspending the
effectiveness of the Registration Statement or the initiation of any proceedings for that purpose; (iii) receipt of any notification with respect to the suspension of the qualification or exemption from qualification of any of the Registrable
Securities for sale in any jurisdiction or the initiation or threatening of any proceeding for such purpose; (iv) the happening of any event that requires the making of any changes in the Registration Statement, related prospectus or documents
incorporated or deemed incorporated therein so that it will not contain (or the Company otherwise becomes aware of any statement included in the Registration Statement, related prospectus or incorporated documents that requires the making of any
changes in the Registration Statement, related prospectus or incorporated documents so that it or they will not contain), (A )in the case of the Registration Statement, any untrue statement of a material fact or omit to state any material fact
required to be stated therein or necessary to make the statements therein not misleading, and (B) in the case of the related prospectus, any untrue statement of a material fact or omit to state any 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; and (v) the Company’s reasonable determination that a post-effective amendment to the Registration Statement would be
appropriate; and, in each such event (i) through (v) of this paragraph (e), the Company will promptly prepare and make available to the Investor and its counsel no later than 5 business days after such event’s occurrence any such supplement or
amendment to the Registration Statement and, as applicable, the related prospectus as shall be necessary or appropriate in response to such event and shall promptly cause same to be duly filed, subject to the Company’s obligations under Section
2.1(c). 
  
 (f)  At the Investor’s request, the Company will provide reasonable assistance to the
Investor to facilitate the disposition of the Registrable Securities following the delivery of Common Stock to the Investor under the Financing Agreement if such assistance is necessary to comply with requirements of the NASD, DTC, or other
regulatory authority, transfer agent or clearing house in connection with a transfer of such Shares from the Investor to a third party. 
  
 (g)  The Company will make available to the Investor (and will deliver to its counsel), subject to restrictions imposed by the United States federal government or any agency or instrumentality thereof, copies of
all correspondence relating to the Registration Statement between the Commission and the Company, or the Commission and the Company’s counsel or auditors and will also make available, subject to restrictions imposed by the United States federal
government or any agency or instrumentality thereof, for inspection by the Investor, its counsel, and any
 
 

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attorney, accountant or other professional retained by the Investor (collectively, the “Inspectors”), financial and other records, pertinent corporate documents and properties of the
Company (collectively, the “Records”) as shall be reasonably necessary to enable them to exercise their due diligence responsibility, and cause the Company’s officers and employees to supply all information reasonably requested by any
Inspectors in connection with the Registration Statement. With respect to any person or entity other than the Investor or its attorneys or accountants, the Company may require that such person or entity execute a confidentiality agreement acceptable
to the Company prior to providing any oral or written information. The Investor agrees that information obtained by it as a result of such inspections (not including any information obtained from a third party who is not prohibited from providing
such information by a contractual, legal or fiduciary obligation to the Company) shall not be disclosed by the Inspectors unless the disclosure of such Records is necessary in the reasonable opinion of the Inspectors to avoid or correct a
misstatement or omission in the Registration Statement, the disclosure of such Records is necessary in connection with establishing a “due diligence defense” under applicable federal and state securities laws or the disclosure or release
of such Records is requested or required pursuant to oral questions, interrogatories, requests for information or documents or a subpoena or other order from a court of competent jurisdiction or other authority; provided that prior to any disclosure
or release pursuant to the preceding clause, the Inspectors shall provide the Company with prompt notice of any such request or requirement so that the Company may seek an appropriate protective order or waive such Inspectors’ obligation not to
disclose such Records; and, provided further, that if failing the entry of a protective order or the waiver by the Company permitting the disclosure or release of such Records, the Inspectors, after consulting with counsel, determine in good faith
that it is necessary or appropriate to disclose such Records, the Inspectors may disclose the Records. The Investor agrees that such Records (not including any information obtained from a third party who is not prohibited from providing such
information by a contractual, legal or fiduciary obligation to the Company) shall be deemed confidential and shall not be used by it as the basis for any market transactions in the securities of the Company or its Affiliates unless and until such
information is made generally available to the public. The Investor further agrees that it will, upon learning that disclosure of such Records is sought in a court of competent jurisdiction or by other authority, give notice to the Company and allow
the Company, at its expense, to undertake appropriate action to prevent disclosure of the Records deemed confidential. 
  
 (h)  The Company agrees to provide such comfort letters or review letters from its independent auditors and such opinions of counsel to the Company as are required by the Financing Agreement. 
  
 (i)  The Company will comply with all applicable rules and regulations of the Commission, including, without limitation,
compliance with applicable reporting requirements under the Exchange Act, and will make available to its security holders an earning statement covering a period of twelve (12) months, beginning within three (3) months after the effective date of the
Registration Statement, which earning statement shall satisfy the provisions of Section 11(a) of the Securities Act. 
  
 (i)  The Company shall take all reasonable steps necessary to enable the Investor to avail itself of the prospectus delivery mechanism set forth in Rule 153 (or successor thereto) under the Securities Act, if available.

  
 The Company may require the Investor promptly to furnish in writing to the Company such information regarding the
Investor, its holdings of the Company’s securities, and the intended methods of distribution of the Registrable Securities as the Company may from time to time reasonably request and such other information as may be legally required in
connection with such
 
 

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registration, including, without limitation, all such information as may be requested by the Commission or the NASD or any state securities commission or similar authority. If the Investor fails
to provide such information requested in connection with such registration within five (5) business days after receiving such written request, then the Company may cease pursuit of such registration in respect of the Investor’s Registrable
Securities until such information is provided and the ninety (90) day period within which the Company has to obtain effectiveness of the Registration Statement shall be suspended until receipt of such information from the Investor. 

 
 The Investor agrees that, upon receipt of any notice from the Company of the happening of any event of the kind described in
Section 2.1(e) hereof, the Investor will forthwith discontinue disposition of Registrable Securities pursuant to the Registration Statement until the Investor’s receipt of the copies of the supplemented or amended prospectus contemplated by
Section 2.1(e) hereof ( or until the Investor has been advised in writing by the Company that the then-current prospectus may be used), and, if so directed by the Company, the Investor will deliver to the Company all copies, other than permanent
file copies then in the Investor’s possession, of the most recent prospectus covering the Registrable Securities at the time of receipt of such notice. 
  
 SECTION 2.2    REGISTRATION EXPENSES.    In connection with registration hereunder, the Company shall pay the following registration expenses incurred in
connection therewith (the “Registration Expenses”): (i) all registration and filing fees, (ii) fees and expenses of compliance with securities or blue sky laws (including reasonable fees and disbursements of a single firm of counsel
selected by the Company in connection with blue sky qualifications of the Registrable Securities), (iii) printing expenses, (iv) the Company’s internal expenses (including, without limitation, all salaries and expenses of its officers and
employees performing legal or accounting duties), (v) the fees and expenses incurred in connection with the listing or quotation of the Registrable Securities, (vi) fees and disbursements of counsel for the Company and customary fees and expenses
for independent auditors retained by the Company (including the expenses of any (A) opinion letters or costs associated with delivery by counsel to the Company of an opinion letter or letters or (B) comfort letters or review letters or costs
associated with the delivery by independent auditors of comfort letters or review letters, in each case required by or contemplated by Section 2.1(h) hereof), (vii) fees and expenses in connection with any approvals or filings with the National
Association of Securities Dealers, Inc.,(viii) the fees and expenses of any special experts retained by the Company in connection with such registration and (ix) fees and expenses of counsel to the Investor, not to exceed $15,000 and subject to the
$35,000 limitation set forth in the Financing Agreement. The Company shall have no obligation to pay any underwriting fees, discounts or commissions, any brokers’ fee or commissions or any transfer taxes attributable to the sale of Registrable
Securities, or the cost of any special audit required by the Investor or any underwriter, such costs to be borne by the Investor. 
  
 ARTICLE III 
  
 INDEMNIFICATION AND CONTRIBUTION 
  
 SECTION 3.1    INDEMNIFICATION BY THE COMPANY.    The Company agrees to indemnify and hold
harmless the Investor, its officers, directors, employees and agents, and each Person or entity, if any, who controls the Investor within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, together with the officers,
directors, employees and agents of such controlling Person or entity (collectively, the “Controlling Persons”), from and against any loss, claim, damage, liability, reasonable attorneys’ fees, costs or expenses and costs and expenses
of investigating and defending any such claim (collectively, “Damages”), as incurred, and any action in respect thereof to which the Investor, its officers, directors, employees and agents, and
 
 

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any such Controlling Person may become subject under the Securities Act or otherwise, insofar as such Damages (or proceedings in respect thereof) arise out of, or are based upon, any untrue
statement or alleged untrue statement of a material fact contained in any Registration Statement or prospectus relating to the Registrable Securities or any preliminary prospectus, or arise out of, or are based upon, any omission or alleged omission
to state therein a material fact required to be stated therein or necessary to make the statements therein (in the case of any prospectus or preliminary prospectus, in light of the circumstances in which they were made) not misleading, except
insofar as the same are based upon information furnished in writing to the Company by the Investor expressly for use therein, and shall reimburse the Investor, its officers, directors, employees and agents, and each such Controlling Person for any
reasonable legal and other expenses reasonably incurred by the Investor, its officers, directors, employees and agents, or any such Controlling Person in investigating or defending or preparing to defend against any such Damages or proceedings as
such expenses are incurred; provided, however, that the Company shall not be liable in any such case to the extent that any such Damages arise out of or are based upon an untrue statement or omission or alleged untrue statement or omission in any
prospectus if (x) such untrue statement or omission or alleged untrue statement or omission is corrected in an amendment or supplement to such prospectus and (y) having previously been furnished by or on behalf of the Company with copies of such
prospectus as so amended or supplemented, the Investor thereafter fails to deliver such prospectus as so amended or supplemented prior to the Person asserting the claim from which such Damages arise. 
  
 SECTION 3.2    INDEMNIFICATION BY THE INVESTOR.    The Investor agrees to indemnify and hold
harmless the Company, its officers, directors, employees and agents and each Person or entity, if any, who controls the Company within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, together with the officers,
directors, employees and agents of such controlling Person, to the same extent as the foregoing indemnity from the Company to the Investor, but only with reference to information related to the Investor or its plan of distribution furnished in
writing by the Investor or on the Investor’s behalf expressly for use in any registration statement or prospectus relating to the Registrable Securities, or any amendment or supplement thereto, or any preliminary prospectus. In case any action
or proceeding shall be brought against the Company or its officers, directors, employees or agents or any such controlling Person or its officers, directors, employees or agents, in respect of which indemnity may be sought against the Investor, the
Investor shall have the rights and duties given to the Company, and the Company or its officers, directors, employees or agents, or such controlling Person, or its officers, directors, employees or agents, shall have the comparable rights and duties
given to the Investor by Section 3.1. 
  
 SECTION 3.3    CONDUCT OF INDEMNIFICATION
PROCEEDINGS.    Promptly after receipt by any person or entity in respect of which indemnity may be sought pursuant to Section 3.1 or 3.2 (an “Indemnified Party”) of notice of any claim or the commencement of any
action, the Indemnified Party shall, if a claim in respect thereof is to be made against the Person against whom such indemnity may be sought (an “Indemnifying Party”), notify the Indemnifying Party in writing of the claim or the
commencement of such action; in the event an Indemnified Party shall fail to give such notice as provided in this Section 3.3 and the Indemnifying Party to whom notice was not given was unaware of the proceeding to which such notice would have
related and was materially prejudiced by the failure to give such notice, the indemnification provided for in Sections 3.1 or 3.2 shall be reduced to the extent of any actual prejudice resulting from such failure to so notify the Indemnifying Party;
provided, that the failure to notify the Indemnifying Party shall not relieve it from any liability that it may have to an Indemnified Party otherwise than under Section 3.1 or 3.2. If any such claim or action shall be brought against an Indemnified
Party, the Indemnifying Party shall be entitled to participate therein, and, to the
 
 

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extent that it wishes, jointly with any other similarly notified Indemnifying Party, to assume the defense thereof with counsel reasonably satisfactory to the Indemnified Party. After notice from
the Indemnifying Party to the Indemnified Party of its election to assume the defense of such claim or action, the Indemnifying Party shall not be liable to the Indemnified Party for any legal or other expenses subsequently incurred by the
Indemnified Party in connection with the defense thereof other than reasonable costs of investigation; provided that the Indemnified Party shall have the right to employ separate counsel to represent the Indemnified Party,, but the fees and expenses
of such counsel shall be for the account of such Indemnified Party unless (i) the Indemnifying Party and the Indemnified Party shall have mutually agreed to the retention of such counsel or (ii) such Indemnified Party concludes that representation
of both parties by the same counsel would be inappropriate due to actual or potential conflicts of interest with the Company, it being understood, however, that the Indemnifying Party shall not, in connection with any one such claim or action or
separate but substantially similar or related claims or actions in the same jurisdiction arising out of the same general allegations or circumstances, be liable for the fees and expenses of more than one separate firm of attorneys (together with
appropriate local counsel) at any time for all Indemnified Parties or for fees and expenses that are not reasonable. No Indemnifying Party shall, without the prior written consent of the Indemnified Party, effect any settlement of any claim or
pending or threatened proceeding in respect of which the Indemnified Party is or could have been a party and indemnity could have been sought hereunder by such Indemnified Party unless such settlement includes an unconditional release of each such
Indemnified Party from all Damages arising out of such claim or proceeding and such settlement does not admit or constitute an admission of fault, guilt or culpability on the part of any such Indemnified Party. Whether or not the defense of any
claim or action is assumed by an Indemnifying Party, such Indemnifying Party will not be subject to any liability for any settlement made without its consent, which consent will not be unreasonably withheld. 
  
 SECTION 3.4    CONTRIBUTION.    If for any reason the indemnification provided for in this Article
III is unavailable to the Indemnified Parties in respect of any Damages referred to herein, then each Indemnifying Party, in lieu of indemnifying such Indemnified Party, shall contribute to the amount paid or payable by such Indemnified Party as a
result of such Damages as between the Company, on the one hand, and the Investor, on the other hand, in such proportion as is appropriate to reflect the relative fault of the Company and of the Investor in connection with such statements or
omissions, as well as any other relevant equitable considerations. The relative fault of the Company, on the one hand, and of the Investor, on the other hand, shall be determined by reference to, among other things, whether the untrue or alleged
untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by such party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or
prevent such statement or omission. 
  
 The Company and the Investor agree that it would not be just and equitable if
contribution pursuant to this Section 3.4 were determined by pro rata allocation or by any other method of allocation that does not take account of the equitable considerations referred to in the immediately preceding paragraph. The amount paid or
payable by an Indemnified Party as a result of the Damages referred to in the immediately preceding paragraph shall be deemed to include, subject to the limitations set forth above, any reasonable legal or other expenses reasonably incurred by such
Indemnified Party in connection with investigating or defending any such action or claim. Notwithstanding the provisions of this Section 3.4, the Investor shall in no event be required to contribute any amount in excess of the net profit, if any,
realized by the Investor from resales of the Registrable Securities (after giving effect to underwriting discounts and commissions payable in connection with an underwritten offering). No Person guilty of fraudulent misrepresentation (within the
meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not guilty of such fraudulent misrepresentation. 
 

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 ARTICLE IV 
  
 MISCELLANEOUS 
  
 SECTION
4.1    TERM.    The registration rights provided to the holders of Registrable Securities hereunder shall terminate on such date as there shall be no Registrable Securities; provided, however, that the
provisions of Article III hereof shall survive any termination of this Agreement. The Company may terminate this Agreement prior to the issuance of any Registrable Securities at such time as the Financing Agreement is terminated. 

 
 SECTION 4.2    RULE 144.    The Company covenants that it will file all reports
required to be filed by it under the Securities Act and the Exchange Act and that it will take such further action as registered holders of Registrable Securities may reasonably request, all to the extent required from time to time to enable the
Investor to sell Registrable Securities without registration under the Securities Act within the limitation of the exemptions provided by (a) Rule 144, as such Rule may be amended from time to time, or (b) any similar rule or regulation hereafter
adopted by the Commission. If at any time the Company is not required to file such reports, it will, upon the reasonable request of any registered holder of Registrable Securities, make publicly available other information so long as necessary to
permit sales pursuant to Rule 144, within the limitations of the exemption provided thereby. Upon the request of the Investor, the Company will deliver to the Investor a written statement as to whether it has complied with such requirements.

  
 SECTION 4.3    AMENDMENT AND MODIFICATION.    Any provision of this
Agreement may be waived, provided that such waiver is set forth in a writing executed by the party against whom the enforcement of such waiver is sought. The provisions of this Agreement, including the provisions of this sentence, may not be
amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given, unless the Company has obtained the written consent of the Investor. No course of dealing between or among any Persons having any
interest in this Agreement will be deemed effective to modify, amend or discharge any part of this Agreement or any rights or obligations of any Person under or by reason of this Agreement. 
  
 SECTION 4.4    SUCCESSORS AND ASSIGNS; ENTIRE AGREEMENT.    This Agreement and all of the provisions hereof shall be binding upon
and inure to the benefit of the parties hereto and their respective successors and assigns; provided, however, that the benefits and rights contemplated hereunder to be provided to any holder of Registrable Securities shall be limited to the
registered holder thereof. The Investor may assign its rights under this Agreement to any subsequent holder of the Registrable Securities, provided that the Company shall have the right to require any such subsequent holder of the Registrable
Securities to execute a counterpart of this Agreement as a condition to such holder’s claim to any rights hereunder. This Agreement, together with the Financing Agreement, sets forth the entire agreement and understanding between the parties as
to the subject matter hereof and thereof and merges and supersedes all prior discussions, agreements and understandings (written or oral) of any and every nature between them with respect to such subject matter. 
 

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 SECTION 4.5    SEPARABILITY.    In the
event that any provision of this Agreement or the application of any provision hereof is declared to be illegal, invalid or otherwise unenforceable by a court of competent jurisdiction, the remainder of this Agreement shall not be affected except to
the extent necessary to delete such illegal, invalid or unenforceable provision unless that provision held invalid shall substantially impair the benefits of the remaining portions of this Agreement. 
  
 SECTION 4.6    NOTICES.    All notices, demands, requests, consents, approvals or other
communications required or permitted to be given hereunder or that are given with respect to this Agreement shall be in writing and shall be personally served or deposited in the mail, registered or certified, return receipt requested, postage
prepaid, or delivered by reputable air courier service with charges prepaid, or transmitted by hand delivery, telegram, telex or facsimile, addressed as set forth below, or to such other address as such party shall have specified most recently by
written notice: (i) if to the Company to: Dendreon Corporation, 3005 First Avenue, Seattle, WA 98121, Attention: General Counsel; Facsimile No.: (206) 256-0571 with copies (which shall not constitute notice) to: Cooley Godward LLP, 4401 Eastgate
Mall, San Diego, CA 92121-9109 Attn: Julie Robinson; Facsimile No.: (858) 550-6420; and (ii) if to the Investor, BNY Capital Markets, Inc., 32 Old Slip (15th Floor), New York, NY 10286, Attention: Raymond Lang, Managing Director; Facsimile No.: 212-804-5052, with copies (which shall not constitute notice) to: Pillsbury Winthrop LLP, One Battery
Park Plaza, New York, New York, 10005, Attention: Ronald A. Fleming, Jr.; Facsimile No.: 212-858-1500. Notice shall be deemed given on the date of service or transmission if personally served or transmitted by telegram, telex or confirmed facsimile
before the close of business on such date and on the next business day if not served or transmitted by the close of business on such date. Notice otherwise sent as provided herein shall be deemed given on the third business day following the date
mailed or on the next business day following delivery of such notice by a reputable air courier service. 
  
 SECTION
4.7    GOVERNING LAW.    THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAW OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO PRINCIPLES OF CONFLICTS OF LAWS THEREOF.

  
 SECTION 4.8    DISPUTE RESOLUTION.    Should any dispute between the
parties arise under this Agreement, the Investor and the Company, through appropriately senior persons, shall first meet and attempt to resolve the dispute in face-to-face negotiations. The meeting shall occur within thirty (30) days of the time the
dispute arises at a mutually agreed time and place. If no resolution is reached, the Investor and the Company shall, within forty-five (45) days of the first meeting, attempt to settle the dispute by formal mediation. If the parties cannot agree
upon a mediator and the place of the mediation, the mediation shall be administered by the American Arbitration Association in New York, New York. If no resolution is reached in mediation, the dispute shall be resolved by binding arbitration in New
York, New York before a three-arbitrator panel, administered by the American Arbitration Association, with limited discovery. Notwithstanding the foregoing dispute resolution provisions, the Investor and the Company shall each retain the right to
seek judicial injunctive and other equitable relief where appropriate. In no event shall punitive damages or attorneys’ fees be awardable. 
  
 SECTION 4.8    HEADINGS.    The headings in this Agreement are for convenience of reference only and shall not constitute a part of this Agreement, nor shall
they affect their meaning, construction or effect. 
 

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 SECTION 4.9    COUNTERPARTS.    This
Agreement may be executed in counterparts, each of which shall be deemed to be an original instrument, and all of which together shall constitute one and the same instrument. 
  
 SECTION 4.10    FURTHER ASSURANCES.    Each party shall cooperate and take such action as may be reasonably requested by the other
party in order to carry out the provisions and purposes of this Agreement and the transactions contemplated hereby. 
  
 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by the undersigned, thereunto duly authorized, as of the date first set forth above. 
  
 DENDREON CORPORATION 
  
 
	 
	 By:
 	 	 /s/ MARTIN A. SIMONETTI        
 

	  	 	 Name: Martin A. Simonetti
 Title: CFO
 

 
  
 BNY CAPITAL MARKETS, INC. 
  

	 
	 By:
 	 	 /s/ WESLEY PRITCHETT        
 

	  	 	 Name: Wesley Pritchett
 Title: Managing
Director
 

 
 

 10<PAGE>
                                                                    Exhibit 10.1

                ACQUISITION AGREEMENT AND PLAN OF REORGANIZATION

                                  by and among

                               BIO-VASCULAR, INC.
                     SYNOVIS INTERVENTIONAL SOLUTIONS, INC.
                                  EMTECH, INC.
                            CELTIC ENTERPRISES, LTD.
                               MARVIN H. PETERSON
                                STEVEN R. FARRIS
                                       AND
                              MICHAEL R. WATERHOUSE

                            Dated as of March 6, 2002

<PAGE>

                                TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                                                Page
<S>                                                                                             <C>
ARTICLE I - DEFINITIONS .......................................................................   1

 1.1.   Definitions ...........................................................................   1
 1.2.   Interpretation ........................................................................   5

ARTICLE II - THE MERGER AND THE SURVIVING CORPORATION .........................................   5

 2.1.   The Merger ............................................................................   5
 2.2.   Effective Time of the Merger ..........................................................   5
 2.3.   Articles of Incorporation, By-laws and Board of Directors of Surviving Corporation ....   6

ARTICLE III - CONVERSION OF SHARES ............................................................   6

 3.1.   Conversion of Shares ..................................................................   6
 3.2.   SIS Shares ............................................................................   6
 3.3.   Delivery of Merger Consideration ......................................................   6

ARTICLE IV - CLOSING ..........................................................................   7

 4.1.   Closing ...............................................................................   7

ARTICLE V - REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDERS ................................   7

 5.1.   Due Organization and Qualification ....................................................   7
 5.2.   Authorization; Non-Contravention; Approvals ...........................................   7
 5.3.   Capitalization and Ownership ..........................................................   8
 5.4.   Subsidiaries ..........................................................................   8
 5.5.   Financial Statements ..................................................................   8
 5.6.   Liabilities and Obligations ...........................................................   9
 5.7.   Accounts and Notes Receivable .........................................................   9
 5.8.   Assets ................................................................................  10
 5.9.   Material Customers and Contracts ......................................................  10
 5.10.  Permits ...............................................................................  11
 5.11.  Environmental Matters .................................................................  11
 5.12.  Labor and Employee Relations ..........................................................  12
 5.13.  Insurance .............................................................................  12
 5.14.  Compensation; Employment Agreements ...................................................  12
 5.15.  Noncompetition, Confidentiality and Nonsolicitation Agreements ........................  12
 5.16   Employee Benefit Plans ................................................................  13
 5.17.  Litigation and Compliance with Law ....................................................  15
 5.18.  Taxes .................................................................................  15
 5.19.  Absence of Changes ....................................................................  16
 5.20.  Accounts with Banks and Brokerages; Powers of Attorney ................................  17
</TABLE>

                                       i

<PAGE>

<TABLE>
<S>                                                                                           <C>
 5.21.   Absence of Certain Business Practices ..............................................  17
 5.22.   Competing Lines of Business; Related-Party Transactions ............................  17
 5.23.   Intangible Property ................................................................  17
 5.24.   Tax Reorganization Representation ..................................................  17
 5.25.   Inventory ..........................................................................  17
 5.26.   Product Liability Claims ...........................................................  18
 5.27.   Warranty of Products ...............................................................  18
 5.28.   Individual Representations and Warranties of the Stockholders ......................  18
 5.29.   Disclosure .........................................................................  19

ARTICLE VI - REPRESENTATIONS AND WARRANTIES OF SIS ..........................................  19

 6.1.   Organization ........................................................................  19
 6.2.   Authorization; Non-Contravention; Approvals .........................................  19
 6.3.   Disclosure ..........................................................................  20

ARTICLE VII - REPRESENTATIONS AND WARRANTIES ................................................  20

 7.1.   Organization ........................................................................  20
 7.2.   Authorization; Non-Contravention; Approvals .........................................  20
 7.3.   Tax Reorganization Representations ..................................................  21
 7.4.   Ownership of SIS ....................................................................  22
 7.5.   BVI Securities ......................................................................  22
 7.6.   SEC Filings .........................................................................  22

ARTICLE VIII - CERTAIN COVENANTS ............................................................  23

 8.1.   Future Cooperation; Tax Matters .....................................................  23
 8.2.   Expenses ............................................................................  23
 8.3.   Legal Opinion .......................................................................  23
 8.4.   Consulting Services .................................................................  23
 8.5.   Repayment of Related Party Indebtedness .............................................  23
 8.6.   Registration Statement on Form S-3 ..................................................  24
 8.7.   Resignations ........................................................................  26

ARTICLE IX - INDEMNIFICATION ................................................................  26

 9.1.   General Indemnification by the Stockholders .........................................  26
 9.2.   Indemnification by Surviving Corporation ............................................  26
 9.3.   Indemnification by BVI ..............................................................  27
 9.4.   Third Person Claims .................................................................  27
 9.5.   Indemnification Deductible ..........................................................  28
 9.6.   Survival of Representations and Warranties ..........................................  28
 9.7.   Additional Notice; Cooperation ......................................................  28
 9.8.   Exclusive Remedy ....................................................................  28
</TABLE>

                                       ii

<PAGE>

<TABLE>
<S>                                                                                        <C>
ARTICLE X - NONCOMPETITION COVENANTS ....................................................  29

 10.1.   Prohibited Activities ..........................................................  29
 10.2.   Equitable Relief ...............................................................  29
 10.3.   Reasonable Restraint ...........................................................  30
 10.4.   Severability; Reformation ......................................................  30
 10.5.   Material and Independent Covenant ..............................................  30

ARTICLE XI - NONDISCLOSURE OF CONFIDENTIAL INFORMATION ..................................  30

 11.1.   General ........................................................................  30
 11.2.   Equitable Relief ...............................................................  30

ARTICLE XII - INTENDED TAX TREATMENT ....................................................  31

 12.1.   Tax-Free Reorganization ........................................................  31

ARTICLE XIII - FEDERAL SECURITIES ACT AND CONTRACTUAL RESTRICTIONS ON BVI COMMON STOCK ..  31

 13.1.   Compliance with Law ............................................................  31
 13.2.   Economic Risk; Sophistication ..................................................  31
 13.3.   SEC Reporting ..................................................................  32

ARTICLE XIV - MISCELLANEOUS .............................................................  32

 14.1.   Successors and Assigns .........................................................  32
 14.2.   Entire Agreement ...............................................................  32
 14.3.   Counterparts ...................................................................  32
 14.4.   Brokers and Agents .............................................................  33
 14.5.   Notices ........................................................................  33
 14.6.   Exercise of Rights and Remedies ................................................  34
 14.7.   Reformation and Severability ...................................................  34
 14.8.   Third Party Beneficiaries ......................................................  34
</TABLE>

                                      iii

<PAGE>

                ACQUISITION AGREEMENT AND PLAN OF REORGANIZATION

THIS ACQUISITION AGREEMENT AND PLAN OF REORGANIZATION (this "Agreement") is made
as of the 6th day of March, 2002, by and among Bio-Vascular, Inc., a Minnesota
corporation ("BVI"), Synovis Interventional Solutions, Inc., a Minnesota
corporation that is a subsidiary of BVI ("SIS"), Emtech, Incorporated, a
Minnesota corporation (the "Company"), Celtic Enterprises, LTD., a Minnesota
corporation, Marvin H. Peterson, Steven R. Farris and Michael R. Waterhouse
(with Celtic Enterprises, LTD. and such individuals being collectively referred
to herein as the "Stockholders"), with the Stockholders being the Company's only
stockholders.

WHEREAS, the respective Boards of Directors of SIS and the Company (collectively
referred to as "Constituent Corporations") deem it advisable and in the best
interests of the Constituent Corporations and their respective stockholders that
the Company merge with and into SIS (the "Merger"); and

WHEREAS, the Boards of Directors of the Constituent Corporations have approved
and adopted this Agreement as a plan of reorganization within the provisions of
Section 368 of the Internal Revenue Code of 1986, as amended (the "Code"); and

WHEREAS, the stockholders of the Constituent Corporations have approved the
Merger in accordance with the MBC Act (as defined below); and

NOW, THEREFORE, in consideration of the premises and of the mutual agreements,
representations, warranties, provisions and covenants contained herein, the
parties hereto, intending to be legally bound, agree as follows:

                                    ARTICLE I
                                   DEFINITIONS

1.1. Definitions. Capitalized terms used in this Agreement shall have the
following meanings:

"Affiliate" of, or "Affiliated" with, a specified person or entity means a
person or entity that directly, or indirectly through one or more
intermediaries, controls, or is controlled by, or is under common control with,
the specified person or entity.

"Agreement" has the meaning set forth in the first paragraph of this Agreement.

"Balance Sheet Date" has the meaning set forth in Section 5.5.

"Broker" has the meaning set forth in Section 14.4.

"BVI" has the meaning set forth in the first paragraph of this Agreement.

<PAGE>

"BVI Common Stock" means BVI's common stock, par value $.01 per share.

"Closing" has the meaning set forth in Section 4.1.

"Closing Date" has the meaning set forth in Section 4.1.

"Code" has the meaning set forth in the third paragraph of this Agreement.

"Company" has the meaning set forth in the first paragraph of this Agreement.

"Company Common Stock" has the meaning set forth in Section 3.1.

"Competitive Business" means any business that competes with the Company or the
Surviving Corporation, including, without limitation, any business that is
engaged in the business of precision computer numerical control machining,
design and building of plastic injection molds and fixtures, plastic injection
molding and mechanical assembly.

"Constituent Corporations" has the meaning set forth in the second paragraph of
this Agreement.

"Effective Time" has the meaning set forth in Section 2.2.

"Encumbrances" means all liens, encumbrances, mortgages, pledges, security
interests, conditional sales agreements, charges, options, preemptive rights,
rights of first refusal, reservations, restrictions or other encumbrances or
defects in title.

"Employee benefit plan" has the meaning set forth in Section 5.16.

"Employee pension benefit plan" has the meaning set forth in Section 5.16.

"Environmental Laws" means any Law or agreement with any Governmental Authority
relating to (a) the protection, preservation or restoration of the environment
(including, without limitation, air, water vapor, surface water, groundwater,
drinking water supply, surface land, subsurface land, plant and animal life or
any other natural resource) or to human health or safety or (b) the exposure to,
or the use, storage, recycling, treatment, generation, transportation,
processing, handling, labeling, production, release or disposal of any
substance, in each case as amended and as in effect on the Closing Date. The
term "Environmental Law" includes, without limitation, (i) the Federal
Comprehensive Environmental Response Compensation and Liability Act of 1980, the
Superfund Amendments and Reauthorization Act, the Federal Water Pollution
Control Act of 1972, the Federal Clean Air Act, the Federal Clean Water Act, the
Federal Resource Conservation and Recovery Act of 1976 (including the Hazardous
and Solid Waste Amendments thereto), the Federal Solid Waste Disposal and the
Federal Toxic Substances Control Act, the Federal Insecticide Fungicide and
Rodenticide Act, the Federal Occupational Safety and Health Act of 1970, each as
amended and as in effect on the Closing Date, and (ii) any common law or
equitable doctrine (including, without limitation, injunctive relief and tort
doctrines such as negligence, nuisance, trespass and strict liability) that may
impose liability

                                       2

<PAGE>

or obligations for injuries or damages due to, or threatened as a result of, the
presence of, effects of or exposure to any substance.

"ERISA" has the meaning set forth in Section 5.16.

"ERISA Affiliate" has the meaning set forth in Section 5.16.

"Expiration Date" has the meaning set forth in Section 9.6.

"Financial Statements" has the meaning set forth in Section 5.5.

"GAAP" means generally accepted accounting principles, consistently applied by
the respective party.

"Governmental Authority" means any federal, state, local or foreign government,
political subdivision or governmental or regulatory authority, agency, board,
bureau, commission, instrumentality or court or quasi-governmental authority.

"Hazardous Substances" means any substance presently listed, defined, designated
or classified as hazardous, toxic, radioactive or dangerous, or otherwise
regulated, under any Environmental Law. The term "Hazardous Substances"
includes, without limitation, any substance to which exposure is regulated by
any Governmental Authority or any Environmental Law including, without
limitation, any toxic waste, pollutant, contaminant, hazardous substance, toxic
substance, hazardous waste, special waste, industrial substance or petroleum or
any derivative or by-product thereof, radon, radioactive material, asbestos or
asbestos containing material, urea formaldehyde foam insulation, lead or
polychlorinated biphenyls.

"Indemnified Party" has the meaning set forth in Section 9.4.

"Indemnifying Party" has the meaning set forth in Section 9.4.

"Interim Balance Sheet" has the meaning set forth in Section 5.5.

"Interim Financial Statements" has the meaning set forth in Section 5.5.

"Knowledge" means, in the case of the Company or the Stockholders, the actual
knowledge, whenever obtained and after due inquiry, of any of the Stockholders.

"Law" or "Laws" means any and all federal, state, local or foreign statutes,
laws, ordinances, proclamations, code, regulations, licenses, permits,
authorizations, approvals, consents, legal doctrine, published requirements,
orders, decrees, judgments, injunctions and rules of any Governmental Authority,
including, without limitation, those covering environmental, Tax, energy,
safety, health, transportation, bribery, recordkeeping, zoning, discrimination,
antitrust and wage and hour matters, in each case as amended and in effect from
time to time.

                                       3

<PAGE>

"Loss" or "Losses" means all liabilities, losses, claims, damages, actions,
suits, proceedings, demands, assessments, adjustments, fees, costs and expenses
(including specifically, but without limitation, reasonable attorneys' fees and
costs and expenses of investigation), net of income Tax effects with respect
thereto (including, without limitation, income Tax benefits recognized in
connection therewith and income Taxes upon any indemnification recovery thereof)
and net of any insurance proceeds, and any indemnity, contribution or similar
payment, collected by SIS, SIS or the Surviving Corporation or any Affiliate
thereof.

"Material Customers" has the meaning set forth in Section 5.9.

"Merger Consideration" has the meaning set forth in Section 3.1.

"Merger Filing" has the meaning set forth in Section 2.2.

"Merger" has the meaning set forth in the second paragraph of this Agreement.

"MBC Act" means the Minnesota Business Corporation Act, as amended.

"Noncompete Term" has the meaning set forth in Section 10.1(a).

"1933 Act" means the Securities Act of 1933, as amended.

"1934 Act" means the Securities Exchange Act of 1934, as amended.

"Permits" has the meaning set forth in Section 5.10.

"Permitted Encumbrances" means (a) liens for taxes, assessments and governmental
charges or levies (i) not yet due and payable or (ii) which are being contested
in good faith by appropriate proceedings and for which an appropriate reserve
has been established in the Financial Statements under GAAP; (b) Encumbrances
imposed by Law, such as materialmen's, mechanics', carriers', workmen's and
repairmen's liens and other similar liens arising in the ordinary course of
business securing obligations that are being contested in good faith by
appropriate proceedings and for which an appropriate reserve has been
established in the Financial Statements under GAAP; (c) pledges or deposits to
secure obligations under workers' compensation laws or similar legislation or to
secure public or statutory obligations; (d) survey exceptions, reciprocal
easement agreements or other customary encumbrances on title to real property
that (i) were not incurred in connection with any indebtedness, (ii) do not
render title to the property encumbered thereby unmarketable or uninsurable, and
(iii) do not, individually or in the aggregate, adversely affect the value of or
the use of such property for its present purposes; and (e) Encumbrances
reflected in the Financial Statements.

"Plan" has the meaning set forth in Section 5.16.

"Qualified Plans" has the meaning set forth in Section 5.16.

"Registrable Securities" has the meaning set forth in Section 8.6(b).

                                        4

<PAGE>

"Registration Statement" has the meaning set forth in Section 8.6(b)

"Restricted Shares" has the meaning set forth in Section 13.1.

"Rule 144" means Rule 144 as promulgated under the 1933 Act, and any successor
rule or statute.

"Sale Notice" has the meaning set forth in Section 8.6(b).

"SEC" means the Securities and Exchange Commission.

"SIS" has the meaning set forth in the first paragraph of this Agreement.

"Stockholders" has the meaning set forth in the first paragraph of this
Agreement.

"Surviving Corporation" has the meaning set forth in Section 2.1.

"Taxes" has the meaning set forth in Section 5.18.

"Third Person" has the meaning set forth in Section 9.4.

"Year-End Financial Statements has the meaning set forth in Section 5.5.

1.2. Interpretation. For all purposes of this Agreement, except as otherwise
expressly provided or unless the context otherwise requires:

     (a) the terms defined in Section 1.1 and elsewhere in this Agreement
include the plural as well as the singular;

     (b) all accounting terms not otherwise defined herein have the meanings
ascribed to them in accordance with GAAP; and

     (c) the words "herein," "hereof," and "hereunder" and other words of
similar import refer to this Agreement as a whole and not to any particular
Article, Section or other subdivision.

                                   ARTICLE II
                    THE MERGER AND THE SURVIVING CORPORATION

2.1. The Merger. Upon the terms and subject to the conditions of this Agreement,
at the Effective Time in accordance with the MBC Act, the Company shall be
merged with and into SIS and the separate existence of the Company shall
thereupon cease. SIS shall be the surviving corporation in the Merger
(hereinafter sometimes referred to as the "Surviving Corporation").

2.2. Effective Time of the Merger. The Merger shall become effective at such
time (the "Effective Time") as (a) holders of all the Company Common Stock
approve the Merger, and (b)

                                       5

<PAGE>

the articles of merger, in a form mutually acceptable to SIS and the Company,
are filed with the Secretary of State of the State of Minnesota (the "Merger
Filing"). The Merger Filing shall be made simultaneously with or as soon as
practicable after the execution of this Agreement and the Closing.

2.3. Articles of Incorporation, By-laws and Board of Directors of Surviving
Corporation. As a result of the Merger and at the Effective Time, the following
shall occur:

     (a) The Articles of Incorporation of SIS in effect immediately prior to the
Effective Time shall become the Articles of Incorporation of the Surviving
Corporation. After the Effective Time, the Articles of Incorporation of the
Surviving Corporation may be amended in accordance with their terms and as
provided in the MBC Act.

     (b) The Bylaws of SIS in effect immediately prior to the Effective Time
shall become the Bylaws of the Surviving Corporation, and thereafter may be
amended in accordance with their terms and as provided by the Articles of
Incorporation of the Surviving Corporation and MBC Act.

     (c) The Board of Directors of SIS as constituted immediately prior to the
Effective Time shall be the Board of Directors of the Surviving Corporation.

                                   ARTICLE III
                              CONVERSION OF SHARES

3.1. Conversion of Shares. At the Effective Time, by virtue of the Merger, and
without any action on the part of any holder of any capital stock of the
Company, the issued and outstanding shares of common stock, $1.00 par value per
share, of the Company as of the Effective Time (the "Company Common Stock")
shall be converted into the right to receive, and become exchangeable for (a)
$95,000 in cash, and (b) that number of shares of BVI Common Stock equal to (i)
$1,205,000 divided by the average closing price of BVI Common Stock as reported
on the Nasdaq National Market during the regular trading session for the three
(3) trading days (each, a "Pricing Date") ending five (5) days prior to the
Closing Date, less (ii) $75,912, which represents that certain "Receivables,
Marv Peterson" account as reflected on the Company's books and records as of
March 6, 2002, which number the parties hereby agree is 140,434 shares of BVI
Common Stock. The cash and shares of BVI Common Stock shall be issued to or at
the direction of the Stockholders as set forth in Schedule 3.1. The BVI Common
Stock and cash paid pursuant to clauses (a) and (b) herein in exchange for the
Company Common Stock are collectively referred to as the "Merger Consideration.

3.2. SIS Shares. The outstanding shares of common stock, par value $0.01 per
share, of SIS shall remain outstanding following the Merger.

3.3. Delivery of Merger Consideration. At the Closing, (a) each Stockholder
shall furnish to SIS the certificates representing its Company Common Stock,
duly endorsed in blank by such Stockholder or accompanied by duly executed blank
stock powers, and (b) SIS shall deliver to or at the direction of each
Stockholder cash (by wire transfer in accordance with the wiring

                                       6

<PAGE>

instructions for each Stockholder set forth on Schedule 3.1) and certificates
representing the shares of BVI Common Stock to be delivered to such Stockholder
pursuant to Section 3.1. Each Stockholder agrees promptly to cure any
deficiencies with respect to the endorsement of the certificates or other
documents of conveyance with respect to the Company Common Stock or with respect
to the stock powers accompanying such stock.

                                   ARTICLE IV
                                     CLOSING

4.1. Closing. The consummation of the Merger and delivery of the consideration
as described in Section 3.3 hereof and the other transactions contemplated by
this Agreement (the "Closing") shall take place at the offices of Winthrop &
Weinstine, P.A. 3000 Dain Rauscher Plaza, 60 South Sixth Street, Minneapolis,
Minnesota, concurrently with the execution of this Agreement or at such other
time and date as BVI, SIS, the Company and the Stockholders may mutually agree,
which date is herein referred to as the "Closing Date."

                                    ARTICLE V
               REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDERS

In connection with and as an inducement to BVI and SIS to enter into and be
bound by the terms of this Agreement, the Stockholders in their individual
capacities, with the exception of Section 5.28 of this Agreement, jointly and
severally represent and warrant to BVI and SIS as follows:

5.1. Due Organization and Qualification. The Company is a corporation duly
organized, validly existing and in good standing under the Laws of the State of
Minnesota and is duly authorized and qualified to do business under all
applicable Laws and to carry on its business in the places and in the manner as
now conducted. The Company has the requisite power and authority to own, lease
and operate its assets and properties and to carry on its business as such
business is currently being conducted. Schedule 5.1 contains a list of all
jurisdictions in which the Company is authorized or qualified to do business.
True, complete and correct copies of the Articles of Incorporation and By-laws,
each as amended, of the Company are attached hereto included as part of Schedule
5.1. Correct and complete copies of all stock records and minute books of the
Company have been provided to SIS.

5.2. Authorization; Non-Contravention; Approvals.

     (a) The Company has the requisite power and authority to enter into this
Agreement and to effect the Merger. The execution, delivery and performance of
this Agreement have been approved by the board of directors of the Company and
by the Stockholders. No additional corporate proceedings on the part of the
Company are necessary to authorize the execution and delivery of this Agreement
and the consummation by the Company of the transactions contemplated hereby.
This Agreement has been duly and validly executed and delivered by the Company,
and, assuming the due authorization, execution and delivery hereof by BVI and
SIS, constitutes a valid and binding agreement of the Company enforceable
against the Company in accordance with its terms.

                                       7

<PAGE>

     (b) The execution and delivery of this Agreement by the Company does not,
and the consummation by the Company of the transactions contemplated hereby will
not, violate or result in a breach of any provision of, or constitute a default
(or an event which, with notice or lapse of time or both, would constitute a
default) under, or result in the termination of, or accelerate the performance
required by, or result in a right of termination or acceleration under, or
result in the creation of any Encumbrance upon any of the properties or assets
of the Company under any of the terms, conditions or provisions of, (i) the
Articles of Incorporation or Bylaws of the Company, (ii) any Laws applicable to
the Company or any of its properties or assets, or (iii) except as set forth in
Schedule 5.2, any note, bond, mortgage, indenture, deed of trust, license,
franchise, permit, concession, lease or other instrument, obligation or
agreement of any kind to which the Company is now a party or by which the
Company or any of its properties or assets may be bound or affected.

     (c) Except for the Merger Filing and as set forth in Schedule 5.2, no
declaration, filing or registration with, or notice to, or authorization,
consent or approval of, any Governmental Authority or third party is necessary
for the execution and delivery of this Agreement by the Company or the
consummation by the Company of the transactions contemplated hereby. Except as
set forth in Schedule 5.2, none of the contracts or agreements with Material
Customers or contracts providing for purchases or services individually in
excess of $25,000, or in the aggregate in excess of $50,000, or other material
agreements, licenses or permits to which the Company is a party requires notice
to, or the consent or approval of, any third party for the execution and
delivery of this Agreement by the Company and the Stockholders and the
consummation of the transactions contemplated hereby.

5.3. Capitalization and Ownership. The authorized capital stock of the Company
consists solely of 1,050,000 shares of Company Common Stock, of which 1,040,500
shares are issued and outstanding. All of the issued and outstanding shares of
the Company Common Stock have been duly authorized and validly issued, are fully
paid and nonassessable, and were offered, issued, sold and delivered by the
Company in compliance with all applicable Laws, including, without limitation,
those Laws concerning the issuance of securities. None of such shares were
issued in violation of the preemptive rights of any past or present stockholder.
Except as set forth in Schedule 5.3, no subscription, option, warrant, call,
convertible or exchangeable security, other conversion right or commitment of
any kind exists which obligates the Company to issue any of its capital stock.

5.4. Subsidiaries. Except as set forth in Schedule 5.4, the Company owns, of
record or beneficially, or controls, directly or indirectly, no capital stock,
securities convertible into or exchangeable for capital stock or any other
equity interest in any corporation, association or other business entity. Except
as set forth in Schedule 5.4, the Company is not, directly or indirectly, a
participant in any joint venture, limited liability company, partnership or
other noncorporate entity.

5.5. Financial Statements.

     (a) The Company has delivered to SIS complete and correct copies of the
following financial statements:

                                       8

<PAGE>

          (i)  the compiled, unaudited balance sheet of the Company as of
               September 30, 2001 and the related compiled, unaudited statement
               of income for the one-year period ended September 30, 2001 (such
               balance sheet and the related statement of income are referred to
               herein as the "Year-End Financial Statements");

          (ii) the compiled, unaudited balance sheet (the "Interim Balance
               Sheet") of the Company as of December 31, 2001 (the "Balance
               Sheet Date") and the related unaudited statement of income for
               the interim period ended on the Balance Sheet Date (such balance
               sheet and the related statement of income are referred to herein
               as the "Interim Financial Statements"). The Year-End Financial
               Statements and the Interim Financial Statements (collectively,
               the "Financial Statements") are attached as Schedule 5.5 to this
               Agreement.

     (b)  Except as set forth in Schedule 5.5, the Financial Statements have
been prepared from the books and records of the Company in conformity with GAAP
(except for the absence of notes in the Financial Statements) and present fairly
the financial position and results of operations of the Company as of the dates
of such statements and for the periods covered thereby. The books of account of
the Company have been kept accurately in all material respects in the ordinary
course of business, the transactions entered therein represent bona fide
transactions, and the revenues, expenses, assets and liabilities of the Company
have been properly recorded therein in all material respects.

5.6. Liabilities and Obligations. Except as set forth in Schedule 5.6, as of the
Balance Sheet Date the Company did not have, nor has it incurred since that
date, any liabilities or obligations (whether absolute, accrued, contingent or
otherwise) of any nature, except (a) liabilities, obligations or contingencies
(i) that are accrued or reserved against in the Financial Statements or (ii)
that were incurred after the Balance Sheet Date and were incurred in the
ordinary course of business, consistent with past practices, and (b) liabilities
and obligations that are of a nature not required to be reflected in the
Financial Statements prepared in accordance with GAAP and that were incurred in
the normal course of business and are described in Schedule 5.6. Schedule 5.6
contains a reasonable estimate by the Company of the maximum amount that may be
payable with respect to liabilities which are not fixed. For each such liability
for which the amount is not fixed or is contested, the Company has provided a
summary description of the liability together with copies of all relevant
documentation relating thereto. Schedule 5.6 sets forth the Company's
outstanding principal amount of indebtedness for borrowed money (including
overdrafts) as of the date hereof.

5.7. Accounts and Notes Receivable. Schedule 5.7 sets forth an accurate list of
the accounts and notes receivable of the Company as of the Balance Sheet Date
and the second business day preceding the Closing Date, including any such
amounts which are not reflected in the Interim Balance Sheet. Receivables from
and advances to employees, the Stockholders and any entities or persons related
to or Affiliates of the Stockholders are separately identified in Schedule 5.7.
Schedule 5.7 also sets forth an accurate aging of all accounts and notes
receivable as of the

                                       9

<PAGE>

Balance Sheet Date, showing amounts due in 30-day aging categories. The trade
and other accounts receivable of the Company, including without limitation those
classified as current assets on the Interim Balance Sheet, are bona fide
receivables, were acquired in the ordinary course of business, are stated in
accordance with GAAP and are collectible in the amounts shown on Schedule 5.7,
net of reserves reflected in the Interim Financial Statements with respect to
the accounts receivable as of the Balance Sheet Date, and net of reserves
reflected in the books and records of the Company (consistent with the methods
used in the Interim Financial Statements) with respect to receivables of the
Company after the Balance Sheet Date.

5.8. Assets.

     (a) Schedule 5.8 sets forth an accurate list of all real and personal
property included in "property and equipment" on the Interim Balance Sheet and
all other tangible assets of the Company with a book value in excess of $10,000
(i) owned by the Company as of the Balance Sheet Date and (ii) acquired since
the Balance Sheet Date, including in each case true, complete and correct copies
of leases for significant equipment and for all real property leased by the
Company and descriptions of all real property on which buildings, warehouses,
workshops, garages and other structures used in the operation of the business of
the Company are situated. Except for the building in which the Company's
principal office is located, Schedule 5.8 also indicates those assets used in
the operation of the business of the Company that are currently owned by the
Stockholders or Affiliates of the Company or the Stockholders. All of the
tangible assets, vehicles and other significant machinery and equipment of the
Company listed in Schedule 5.8 are materially in good working order and
condition, ordinary wear and tear excepted. All fixed assets used by the Company
in its business are either owned by the Company or leased under agreements
identified in Schedule 5.8. All leases set forth in Schedule 5.8 are in full
force and effect and constitute valid and binding agreements of the Company and
the other parties thereto in accordance with their respective terms.

     (b) The Company has good and indefeasible title to the tangible and
intangible personal property owned and used in its business free and clear of
all Encumbrances other than Permitted Encumbrances.

     (c) The tangible and intangible assets of the Company include all the
assets used in the operation of the business of the Company as conducted at the
Balance Sheet Date, except for dispositions of such assets since such date in
the ordinary course of business, consistent with past practices.

5.9. Material Customers and Contracts.

     (a) Schedule 5.9 sets forth an accurate list of (i) all customers
representing 5% or more of the Company's revenues for the fiscal year ended in
2001 or the interim period ended on the Balance Sheet Date (the "Material
Customers"), and (ii) all material executory contracts, warranties, commitments
and similar agreements to which the Company is currently a party or by which it
or any of its properties is bound, including, but not limited to, (A) all
customer contracts in excess of $10,000, individually, or $25,000 in the
aggregate, including, without limitation, consignment contracts, (B) contracts
with any labor organizations, (C) leases

                                       10

<PAGE>

providing for annual rental payments in excess of $5,000, individually, or
$10,000 in the aggregate, (D) loan agreements, (E) pledge and security
agreements, (F) indemnity or guaranty agreements or obligations, (G) bonds, (H)
notes, (I) mortgages, (J) joint venture or partnership agreements, (K) options
to purchase real or personal property, and (L) agreements relating to the
purchase or sale by the Company of assets (other than oral agreements relating
to sales of inventory or services in the ordinary course of business, consistent
with past practices) or securities for more than $5,000, individually, or
$10,000 in the aggregate. Prior to the date hereof, the Company has made
available to SIS complete and correct copies of all such agreements.

     (b) Except to the extent set forth in Schedule 5.9, (i) no Material
Customer has canceled or substantially reduced or, is threatening to cancel or
substantially reduce its purchases of the Company's products or services, and
(ii) the Company is in compliance with all material commitments and obligations
pertaining to it under such agreements and is not in default under any of the
agreements described in subsection (a), no notice of default has been received
by the Company, and the Stockholders and the Company are aware of no basis
therefor.

     (c) Except to the extent set forth in Schedule 5.9, the Company is not a
party to any governmental contracts subject to price redetermination or
renegotiation. Schedule 5.9 sets forth the Company's material bonding or other
financial security requirements or arrangements in connection with any
transactions with any of its customers or suppliers.

     (d) Schedule 5.9 sets forth a summary of each outstanding bid or proposal
by the Company that, if awarded to the Company, contemplates payments to the
Company in excess of $50,000 and that is subject to acceptance or award by a
third party.

5.10. Permits. Schedule 5.10 contains an accurate list of all material licenses,
franchises, permits, transportation authorities and other governmental
authorizations and intangible assets held by the Company, including, without
limitation, permits, licenses and operating authorizations, titles (including
motor vehicle titles and current registrations), fuel permits, franchises,
certificates, trademarks, trade names, patents, patent applications and
copyrights owned or held by the Company (the "Permits"). The Permits are valid,
and the Company has not received any written notice that any Governmental
Authority intends to cancel, terminate or not renew any such license, operating
authorization, franchise, permit or other governmental authorization. The
Permits are all the permits that are required by Law for the operation of the
business of the Company as conducted at the Balance Sheet Date and the ownership
of the assets of the Company. The Company has conducted and is conducting its
business in substantial compliance with the requirements, standards, criteria
and conditions set forth in the Permits, as well as the applicable orders,
approvals and variances related thereto, and is not in violation of any of the
foregoing. Except as specifically provided in Schedule 5.10, the transactions
contemplated by this Agreement will not result in a default under or a breach or
violation of, or adversely affect the rights and benefits afforded to the
Company by, any Permits.

5.11. Environmental Matters. Except as set forth in Schedule 5.11, (a) the
Company has complied with and is in compliance, in all material respects, with
all Environmental Laws, including, without limitation, Environmental Laws
relating to air, water, land and the generation,

                                       11

<PAGE>

storage, use, handling, transportation, treatment or disposal of Hazardous
Substances; (b) the Company has obtained and complied, in all material respects,
with all necessary permits and other approvals necessary to treat, transport,
store, dispose of and otherwise handle Hazardous Substances and has reported, to
the extent required by all Environmental Laws, all past and present sites owned
or operated by the Company where Hazardous Substances have been treated, stored,
disposed of or otherwise handled; (c) there have been no "releases" or threats
of "releases" (as defined in any Environmental Laws) at, from, in or on any
property owned or operated by the Company; (d) there is no on-site or off-site
location to which the Company has transported or disposed of Hazardous
Substances or arranged for the transportation or disposal Hazardous Substances
which is the subject of any federal, state, local or foreign enforcement action
or any other investigation which could lead to any claim against the Surviving
Corporation or SIS for any clean-up cost, remedial work, damage to natural
resources or personal injury, including, but not limited to, any claim under (i)
the Comprehensive Environmental Response, Compensation and Liability Act of
1980, as amended, (ii) the Resource Conservation and Recovery Act, (iii) the
Hazardous Materials Transportation Act, or (iv) comparable state and local
statutes and regulations; and (e) the Company has no contingent liability in
connection with any release or disposal of any Hazardous Substance into the
environment. None of the past or present sites owned or operated by the Company
is currently or has ever been designated as a treatment, storage and/or disposal
facility, nor has any such facility ever applied for a Permit designating it as
a treatment, storage and/or disposal facility, under any Environmental Law.

5.12. Labor and Employee Relations. The Company is not bound by or subject to
any arrangement with any labor union. No employees of the Company are
represented by any labor union or covered by any collective bargaining agreement
nor is any campaign to establish such representation in progress. There is no
pending or, to the Knowledge of the Company threatened labor dispute involving
the Company and any group of its employees nor has the Company experienced any
significant labor interruptions over the past five years. The Company has no
Knowledge of any significant issues or problems in connection with the
relationship of the Company with its employees.

5.13. Insurance. Schedule 5.13 sets forth an accurate list as of the Balance
Sheet Date of all insurance policies carried by the Company and of insurance
loss runs and workmen's compensation claims for the past three policy years.
Except as set forth in Schedule 5.13, all of such policies are "claims made"
policies. The policies described in such Schedule for the current policy year
are currently in full force and effect.

5.14. Compensation; Employment Agreements. Schedule 5.14 sets forth an accurate
schedule of all officers, directors and employees of the Company with annual
compensation of $50,000 or more, listing the rate of compensation (and the
portions thereof attributable to salary, bonus, benefits and other compensation,
respectively) of each of such persons as of (a) the Balance Sheet Date and (b)
the date hereof. Attached to Schedule 5.14 are true, complete and correct copies
of each employment or consulting agreement with any employee of the Company or
any Stockholder. Each employee of the Company is an employee at will.

5.15. Noncompetition, Confidentiality and Nonsolicitation Agreements. Schedule
5.15 sets forth a true, complete and correct list of all agreements containing
covenants not to compete or

                                       12

<PAGE>

solicit employees or to maintain the confidentiality of information to which the
Company is bound or under which the Company has any rights or obligations.

5.16. Employee Benefit Plans.

     (a) Schedule 5.16 sets forth an accurate schedule of each "employee benefit
plan," as defined in Section 3(3) of the Employee Retirement Income Security Act
of 1974, as amended ("ERISA"), and all nonqualified deferred compensation
arrangements, whether formal or informal and whether legally binding or not,
under which the Company or an ERISA Affiliate has any current or future
obligation or liability or under which any present or former director, officer
or employee of the Company or an ERISA Affiliate, or such present or former
director's, officer's or employee's dependents or beneficiaries, has any current
or future right to benefits (each such plan and arrangement referred to
hereinafter as a "Plan"), together with true and complete copies of such Plans,
arrangements and any trusts related thereto, and classifications of employees
covered thereby as of December 31, 2001. Neither the Company nor any ERISA
Affiliate sponsors, maintains or contributes currently, or at any time during
the preceding five years, to any plan, program, fund or arrangement that
constitutes an employee pension benefit plan. Each Plan may be terminated by the
respective Company, or if applicable, by an ERISA Affiliate at any time without
any liability, cost or expense, other than costs and expenses that are customary
in connection with the termination of a Plan. For purposes of this Agreement,
the term "employee pension benefit plan" shall have the meaning given that term
in Section 3(2) of ERISA, and the term "ERISA Affiliate" means any corporation
or trade or business under common control with the Company as determined under
Section 414(b), (c), (m) or (o) of the Code.

     (b) Each Plan listed in Schedule 5.16 is in compliance in all material
respects with the applicable provisions of ERISA, the Code, the Public Health
Service Act and any other applicable Law. With respect to each Plan of the
Company and each ERISA Affiliate (other than a "multiemployer plan," as defined
in Section 4001(a)(3) of ERISA), all reports and other documents required under
ERISA or other applicable Law to be filed with any Governmental Authority, the
failure of which to file could reasonably be expected to result in a material
liability to the Company or any ERISA Affiliate or required to be distributed to
participants or beneficiaries, have been duly and timely filed or distributed.
True and complete copies of all such reports and other documents with respect to
the past three years for each Plan have been provided to SIS. No "accumulated
funding deficiency" (as defined in Section 412(a) of the Code) with respect to
any Plan has been incurred (without regard to any waiver granted under Section
412 of the Code), nor has any funding waiver from the Internal Revenue Service
been received or requested. Each Plan that is intended to be "qualified" within
the meaning of Section 401(a) of the Code (a "Qualified Plan") is, and has been
during the period from its adoption to the date hereof, so qualified, both as to
form and operation and all necessary approvals of Governmental Authorities,
including a favorable determination as to the qualification under the Code of
each of such Qualified Plans and each amendment thereto, have been timely
obtained. All accrued contribution obligations of the Company with respect to
any Plan have either been fulfilled in their entirety or are fully reflected in
the Financial Statements.

                                       13

<PAGE>

     (c) No Plan has incurred or will incur, and neither the Company nor any
ERISA Affiliate has incurred or will incur with respect to any Plan, any
liability for excise tax or penalty due to the Internal Revenue Service. There
have been no terminations, partial terminations or discontinuances of
contributions to any Qualified Plan during the preceding five years without
notice to and approval by the Internal Revenue Service and payment of all
obligations and liabilities attributable to such Qualified Plan.

     (d) Neither the Company nor any ERISA Affiliate has made any promises of
retirement or other benefits to employees, except as set forth in the Plans, and
neither the Company nor any ERISA Affiliate maintains or has established any
Plan that is a "welfare benefit plan" within the meaning of Section 3(1) of
ERISA that provides for retiree medical benefits or any other continuing
benefits or coverage for any participant or any beneficiary of a participant
after such participant's termination of employment, except as may be required by
Part 6 of Subtitle B of Title I of ERISA and Section 4980B of the Code and
similar state Law provisions, and at the expense of the participant or the
beneficiary of the participant. Neither the Company nor any ERISA Affiliate
maintains, has established or has ever participated in a multiple employer
welfare benefit arrangement as described in Section 3(40)(A) of ERISA. Neither
the Company nor any ERISA Affiliate has any current or future obligation or
liability with respect to a Plan pursuant to the provisions of a collective
bargaining agreement.

     (e) Neither the Company nor any ERISA Affiliate has incurred any material
liability to the Pension Benefit Guaranty Corporation in connection with any
Plan. The assets of each Plan that are subject to Title IV of ERISA are
sufficient to provide the benefits under such Plan, the payment of which the
Pension Benefit Guaranty Corporation would guarantee if such Plan were
terminated, and such assets are also sufficient to provide all other "benefits
liabilities" (as defined in ERISA Section 4001(a)(16)) due under such Plan upon
termination.

     (f) No "reportable event" (as defined in Section 4043 of ERISA) has
occurred and is continuing with respect to any Plan. There are no pending, or
threatened claims, lawsuits or actions (other than routine claims for benefits
in the ordinary course) asserted or instituted against, and neither the Company
nor any ERISA Affiliate has Knowledge of any threatened litigation or claims
against, the assets of any Plan or its related trust or against any fiduciary of
a Plan with respect to the operation of such Plan. There are no investigations
or audits of any Plan by any Governmental Authority currently pending and there
have been no such investigations or audits that have been concluded that
resulted in any liability to the Company or any ERISA Affiliate that has not
been fully discharged. Neither the Company nor any ERISA Affiliate has
participated in any voluntary compliance or closing agreement programs
established with respect to the form or operation of a Plan.

     (g) Neither the Company nor any ERISA Affiliate has engaged in any
prohibited transaction, within the meaning of Section 406 of ERISA or Section
4975 of the Code, in connection with any Plan for which exemption was not
available. Neither the Company nor any ERISA Affiliate is, or ever has been, a
participant in or is obligated to make any payment to a multiemployer plan. No
person or entity that was engaged by the Company or an ERISA Affiliate as an
independent contractor within the last five years reasonably can or will be
characterized or deemed to be an employee of the Company or an ERISA Affiliate
under

                                       14

<PAGE>

applicable Laws for any purpose whatsoever, including, without limitation, for
purposes of federal, state and local income taxation, workers' compensation and
unemployment insurance and Plan eligibility.

5.17. Litigation and Compliance with Law. Except as set forth in Schedule 5.17,
there are no claims, actions, suits or proceedings pending, or to the Knowledge
of the Company, threatened against or affecting the Company, at law or in
equity, or before or by any Governmental Authority having jurisdiction over the
Company. No written notice of any claim, action, suit or proceeding, whether
pending or threatened, has been received by the Company and there is no basis
therefor. Except to the extent set forth in Schedule 5.17, the Company has
conducted and is conducting its business in compliance with all Laws applicable
to the Company, its assets or the operation of its business.

5.18. Taxes. For purposes of this Agreement, the term "Taxes" shall mean all
taxes, charges, fees, levies or other assessments including, without limitation,
income, gross receipts, excise, property, sales, withholding, social security,
unemployment, occupation, use, service, service use, license, payroll,
franchise, transfer and recording taxes, fees and charges, imposed by the United
States or any state, local or foreign government or subdivision or agency
thereof, whether computed on a separate, consolidated, unitary, combined or any
other basis; and such term shall include any interest, fines, penalties or
additional amounts attributable to or imposed with respect to any such taxes,
charges, fees, levies or other assessments. The Company has timely filed all
requisite federal, state, local and other tax returns for all fiscal periods
ended on or before the Closing, and has duly paid in full or made adequate
provision in the Financial Statements for the payment of all Taxes for all
periods ending at or prior to the Closing Date. The Company has duly withheld
and paid or remitted all Taxes required to have been withheld and paid in
connection with amounts paid or owing to any employee, independent contractor,
creditor, shareholder or other person or entity that required withholding under
any applicable Law, including, without limitation, any amounts required to be
withheld or collected with respect to social security, unemployment
compensation, sales or use taxes or workers' compensation. Except as set forth
in Schedule 5.18, there are no examinations in progress or claims against the
Company relating to Taxes for any period or periods prior to and including the
Balance Sheet Date and no written notice of any claim for Taxes, whether pending
or threatened, has been received. The Company has not granted or been requested
to grant any extension of the limitation period applicable to any claim for
Taxes or assessments with respect to Taxes. The Company is not a party to any
Tax allocation or sharing agreement and is not otherwise liable or obligated to
indemnify any person or entity with respect to any Taxes. The amounts shown as
accruals for Taxes on the Interim Financial Statements as of the Balance Sheet
Date are sufficient for the payment of all Taxes for all fiscal periods ended on
or before that date. True and complete copies of (a) any tax examinations, (b)
extensions of statutory limitations and (c) the federal, state and local Tax
returns of the Company for the last three fiscal years have been previously
provided to SIS. There are no requests for ruling in respect of any Tax pending
between the Company and any Taxing authority. The Company currently utilizes the
cash method of accounting for income tax purposes. Such method of accounting has
not changed in the past five years.

                                       15

<PAGE>

5.19. Absence of Changes. Since the Balance Sheet Date, except as set forth in
Schedule 5.19, the Company has conducted its operations in the ordinary course
and there has not been:

     (a) any material adverse change in the business, operations, properties,
condition (financial or other), assets, liabilities (contingent or otherwise),
results or prospects of the Company;

     (b) any damage, destruction or loss (whether or not covered by insurance)
materially adversely affecting the properties or business of the Company,
individually or in the aggregate;

     (c) any change in the authorized capital stock of the Company or in its
outstanding securities or any change in the respective Stockholders' ownership
interests in the Company or any grant of any options, warrants, calls,
conversion rights or commitments;

     (d) any declaration or payment of any dividend or distribution in respect
of the capital stock or any direct or indirect redemption, purchase or other
acquisition of any of the capital stock of the Company;

     (e) any increase in the compensation payable or to become payable by the
Company to the Stockholders or any of its officers, directors, employees,
consultants or agents, except for ordinary and customary bonuses and salary
increases for employees in accordance with past practice;

     (f) any significant work interruptions, labor grievances or claims filed;

     (g) any sale or transfer, or any agreement to sell or transfer, any
material assets, properties or rights of the Company to any person, including,
without limitation, the Stockholders and their Affiliates;

     (h) any cancellation, or agreement to cancel, any indebtedness or other
obligation owing to the Company;

     (i) any increase in the Company's indebtedness, other than accounts payable
incurred in the ordinary course of business, consistent with past practices or
incurred in connection with the transactions contemplated by this Agreement;

     (j) any plan, agreement or arrangement granting any preferential rights to
purchase or acquire any interest in any of the assets, property or rights of the
Company or requiring consent of any party to the transfer and assignment of any
such assets, property or rights;

     (k) any purchase or acquisition of, or agreement, plan or arrangement to
purchase or acquire, any property, rights or assets outside of the ordinary
course of the Company's business;

     (l) any waiver of any material rights or claims of the Company;

                                       16

<PAGE>

     (m) any material breach, amendment or termination of any material contract,
agreement, Permit or other right to which the Company is a party or any of its
property is subject; or

     (n) any other material transaction by the Company outside the ordinary
course of business.

5.20. Accounts with Banks and Brokerages; Powers of Attorney. Schedule 5.20 sets
forth an accurate schedule, as of the date of this Agreement, of (a) the name of
each financial institution or brokerage firm in which the Company has accounts
or safe deposit boxes; (b) the names in which the accounts or boxes are held;
(c) the type of account and the cash, cash equivalents and securities held in
such account as of the second business day prior to the Closing, none of which
assets have been withdrawn from such accounts since such date except for bona
fide business purposes in the ordinary course of the business of the Company;
and (d) the name of each person authorized to draw thereon or have access
thereto. Schedule 5.20 also sets forth the name of each person, corporation,
firm or other entity holding a general or special power of attorney from the
Company and a description of the terms thereof.

5.21. Absence of Certain Business Practices. Neither the Company nor any of its
affiliates has given or offered to give anything of value to any governmental
official, political party or candidate for government office nor has it
otherwise taken any action which would constitute a violation of the Foreign
Corrupt Practices Act of 1977, as amended, or any similar Law.

5.22. Competing Lines of Business; Related-Party Transactions. Except as set
forth in Schedule 5.22, neither the Stockholders nor any other Affiliate of the
Company owns, directly or indirectly, any interest in, or is an officer,
director, employee or consultant of or otherwise receives remuneration from, any
business which is in a Competitive Business or is a competitor, lessor, lessee,
customer or supplier of the Company. Except as set forth in Schedule 5.22, no
officer or director of the Company nor any Stockholder has any interest in any
property, real or personal, tangible or intangible, used in or pertaining to the
business of the Company.

5.23. Intangible Property. Schedule 5.23 sets forth an accurate list of all
patents, patent applications, trademarks, service marks, technology, licenses,
trade names, copyrights and other intellectual property or proprietary property
rights owned or used by the Company. The Company owns or possesses, and the
assets of the Company include, sufficient legal rights to use all of such items
without conflict with or infringement of the rights of others.

5.24. Tax Reorganization Representation. The Surviving Corporation will acquire
substantially all of the properties of the Company within the meaning of Section
368(a)(2)(D) of the Code.

5.25. Inventory. The inventory of the Company on the Closing Date (the
"Inventory") represents the normal supplies and stock and trade of Company on
hand as of the close of business on the Closing Date. Except to the extent
reserved against in the Financial Statements, the Inventory is and will be as of
the Closing Date, good, merchantable and saleable at customary prices in the
ordinary course of business and is and will be, as of the Closing Date, of a
quality,

                                       17

<PAGE>

quantity and mix consistent with Company's past business practices and demands
of its customers. Any obsolete inventory has been properly reserved to reflect
its net realizable value in the Financial Statements or the books and records of
the Company.

5.26. Product Liability Claims. All products which Company has sold have been
merchantable and free from material defects in material or workmanship. Except
as set forth on Schedule 5.26, during the last three (3) years the Company has
not received any claim based upon an alleged breach of product warranty arising
from the Company's sale of its products (hereinafter collectively referred to as
"Product Liability Claims"). The Company has no reasonable grounds to believe
that future Product Liability Claims with respect to products of the Company
sold prior to the Closing Date will be different from the Company's past
experience with respect thereto as set forth herein.

5.27. Warranty of Products. The Company has not made or given any express
warranty or guaranty with respect to any products manufactured or sold by the
Company except as set forth in Schedule 5.27.

5.28. Individual Representations and Warranties of the Stockholders. In
connection with and as an inducement to BVI and SIS to enter into and be bound
by the terms of this Agreement, each Stockholder in his or its individual
capacity severally represents and warrants to BVI and SIS as follows:

      (a) Authorization; Non-Contravention; Approvals

          (i)   Such Stockholder has the full legal right, power and authority
          to enter into this Agreement.

          (ii)  The execution and delivery of this Agreement by such Stockholder
          does not, and the consummation by such Stockholder of the transactions
          contemplated hereby will not, violate or result in a breach of any
          provision of, or constitute a default (or an event which, with notice
          or lapse of time or both, would constitute a default) under, or result
          in the termination of, or accelerate the performance required by, or
          result in a right of termination or acceleration under, (a) any Laws
          applicable to such Stockholder, or (b) except as set forth in Schedule
          5.28(a), any note, bond, mortgage, indenture, deed of trust, license,
          franchise, permit, concession, lease or other instrument, obligation
          or agreement of any kind to which such Stockholder is now a party.

          (iii) This Agreement has been duly and validly executed and delivered
          by such Stockholder, and, assuming the due authorization, execution
          and delivery hereof by BVI and SIS, constitutes a valid and binding
          agreement of such Stockholder, enforceable against such Stockholder in
          accordance with its terms.

          (iv)  Except as set forth in Schedule 5.28(a), no declaration, filing
          or registration with, or notice to, or authorization, consent or
          approval of, any Governmental Authority or third party is necessary
          for the execution and delivery

                                       18

<PAGE>

         of this Agreement by such Stockholder or the consummation by such
         Stockholder of the transactions contemplated hereby.

     (b) Stock Ownership. Such Stockholder owns beneficially and of record the
Shares set forth opposite such Stockholder's name on Schedule 5.28(b) free and
clear of all Encumbrances, (except Encumbrances resulting from restrictions on
transferability imposed by federal and state securities laws).

     (c) Capitalization. Except as set forth in Schedule 5.28(c), no
subscription, option, warrant, call, convertible or exchangeable security, other
conversion right or commitment of any kind exists which obligates such
Stockholder to transfer any of the capital stock of the Company.

     (d) Absence of Changes. Except as set forth in Schedule 5.28(d), since the
Balance Sheet Date, there has not been any change in such Stockholder's
ownership interest in the Company or any grant by such Stockholder of any
options, warrants, calls, conversion rights or commitments.

     (e) Approval. Such Stockholder (i) has voted his or its shares of the
Company Common Stock in favor of the Merger or approved the Merger pursuant to a
written action in accordance with the MBC Act, (ii) has not filed any notice
with the Company pursuant to Minnesota Statutes, Section 302A.473 electing to
exercise his or its dissenter's rights thereunder, and (iii) has waived such
dissenter's rights as a result of executing a written action.

5.29. Disclosure. The Stockholders and the Company have provided SIS or its
representatives all the information that SIS has requested in analyzing whether
to consummate the Merger and the other transactions contemplated by this
Agreement. None of the information so provided nor any representation or
warranty of the Stockholders to BVI or SIS in this Agreement contains any untrue
statement of a material fact or omits to state a material fact necessary in
order to make the statements herein, in light of the circumstances under which
they were made, not misleading.

                                   ARTICLE VI
                      REPRESENTATIONS AND WARRANTIES OF SIS

SIS represents and warrants to the Stockholders as follows:

6.1. Organization. SIS is a corporation duly organized, validly existing and in
good standing under the Laws of the State of Minnesota, and is duly authorized
and qualified under all applicable Laws to carry on its business in the places
and in the manner now conducted. SIS has the requisite power and authority to
own, lease and operate its assets and properties and to carry on its business as
such business is currently being conducted.

6.2. Authorization; Non-Contravention; Approvals.

     (a) SIS has the full legal right, power and authority to enter into this
Agreement and to consummate the transactions contemplated hereby. The execution,
delivery and performance of this Agreement has been approved by the board of
directors of SIS and BVI, as the sole

                                       19

<PAGE>

stockholder of SIS. No additional corporate proceedings on the part of SIS are
necessary to authorize the execution and delivery of this Agreement and the
consummation by SIS of the transactions contemplated hereby. This Agreement has
been duly and validly executed and delivered by SIS, and, assuming the due
authorization, execution and delivery by the Company and the Stockholders,
constitutes the valid and binding agreement of SIS, enforceable against SIS in
accordance with its terms.

     (b) The execution and delivery of this Agreement by SIS does not, and the
consummation by SIS of the transactions contemplated hereby will not, violate or
result in a breach of any provision of, or constitute a default (or an event
which, with notice or lapse of time or both, would constitute a default) under,
or result in the termination of, or accelerate the performance required by, or
result in a right of termination or acceleration under any of the terms,
conditions or provisions of (i) the Articles of Incorporation or By-Laws of SIS,
(ii) any Law applicable to SIS or any of its properties or assets or (iii) any
material note, bond, mortgage, indenture, deed of trust, license, franchise,
permit, concession, contract, lease or other instrument, obligation or agreement
of any kind to which SIS is now a party or by which SIS or any of its properties
or assets may be bound or affected.

     (c) Except for the Merger Filing and such filings as may be required under
federal or state securities Laws, no declaration, filing or registration with,
or notice to, or authorization, consent or approval of, any Governmental
Authority is necessary for the execution and delivery of this Agreement by SIS
or the consummation by SIS of the transactions contemplated hereby.

6.3. Disclosure. SIS has fully provided the Stockholders or their
representatives with all the information that the Stockholders have requested in
analyzing whether to consummate the Merger. None of the information so provided
nor any representation or warranty of SIS contained in this Agreement contains
any untrue statement of a material fact or omits to state a material fact
necessary in order to make the statements herein or therein, in light of the
circumstances under which they were made, not misleading.

                                   ARTICLE VII
                      REPRESENTATIONS AND WARRANTIES OF BVI

7.1. Organization. BVI is a corporation duly organized, validly existing and in
good standing under the Laws of the State of Minnesota, and is duly authorized
and qualified under all applicable Laws to carry on its business in the places
and in the manner now conducted. BVI has the requisite power and authority to
own, lease and operate its assets and properties and to carry on its business as
such business is currently being conducted.

7.2. Authorization; Non-Contravention; Approvals.

     (a) BVI has the full legal right, power and authority to enter into this
Agreement and to consummate the transactions contemplated hereby. The execution,
delivery and performance of this Agreement has been approved by the board of
directors of BVI. No additional corporate proceedings on the part of BVI are
necessary to authorize the execution and delivery of this Agreement and the
consummation by BVI of the transactions contemplated hereby. This

                                       20

<PAGE>

Agreement has been duly and validly executed and delivered by BVI, and, assuming
the due authorization, execution and delivery by the Company and the
Stockholders, constitutes valid and binding agreement of BVI, enforceable
against BVI in accordance with its terms.

     (b) The execution and delivery of this Agreement by BVI does not, and the
consummation by BVI of the transactions contemplated hereby will not, violate or
result in a breach of any provision of, or constitute a default (or an event
which, with notice or lapse of time or both, would constitute a default) under,
or result in the termination of, or accelerate the performance required by, or
result in a right of termination or acceleration under any of the terms,
conditions or provisions of (i) the Articles of Incorporation or By-Laws of BVI
(ii) any Law applicable to any of BVI or any of its properties or assets or
(iii) any material note, bond, mortgage, indenture, deed of trust, license,
franchise, permit, concession, contract, lease or other instrument, obligation
or agreement of any kind to which BVI is now a party or by which BVI or any of
its properties or assets may be bound or affected.

7.3. Tax Reorganization Representations.

     (a) Prior to the Merger, BVI will be in control of SIS within the meaning
of Section 368(c) of the Code.

     (b) BVI has no plan or intention to cause the Surviving Corporation to
issue additional shares of its stock that would result in BVI losing control of
the Surviving Corporation within the meaning of Section 368(c) of the Code.

     (c) BVI has no plan or intention to reacquire any of its stock issued in
the Merger.

     (d) BVI has no plan or intention to liquidate the Surviving Corporation; to
merge the Surviving Corporation with or into another corporation; to sell or
otherwise dispose of the stock of the Surviving Corporation except for transfers
of stock to another corporation controlled by BVI; or to cause the Surviving
Corporation to sell or otherwise dispose of any of its assets, except for
dispositions made in the ordinary course of business or transfers of assets to a
corporation controlled by BVI.

     (e) Following the Closing, BVI's intention is that the Surviving
Corporation will continue the historic business of the Company or use a
significant portion of the historic business assets of the Company in a
business, all as required to satisfy the "continuity of business enterprise"
requirement under Section 368 of the Code.

     (f) Neither BVI nor SIS owns, nor have they owned during the past five
years, any shares of the stock of the Company.

     (g) Each of BVI and SIS is undertaking the Merger for a bona fide business
purpose and not merely for the avoidance of federal income tax.

     (h) Neither BVI nor SIS is an investment company as defined in Section
368(a)(2)(F)(iii) and (iv) of the Code.

                                       21

<PAGE>

     (i) As of the Closing Date but prior to the Effective Time, the fair market
value of the assets of SIS will exceed the sum of SIS's liabilities plus the
amount of other liabilities, if any, to which SIS's assets are subject.

     (j) No SIS stock will be given as consideration in connection with the
transaction.

7.4. Ownership of SIS. As of the date hereof and the Effective Time, the capital
stock of SIS is and will be owned 100% by BVI directly. Further, there are not
as of the date hereof and there will not be at the Effective Time any
outstanding or authorized options, warrants, calls, commitments or any other
agreements of any character which BVI is a party to, or may be bound by,
requiring it to issue, transfer, sell, purchase, redeem or acquire any shares of
capital stock or any securities or rights convertible into, exchangeable for, or
evidencing the right to subscribe for or acquire, any shares of capital stock of
SIS.

7.5. BVI Securities. The shares of BVI Common Stock to be issued to each
Stockholder pursuant to the Merger are duly authorized and, when issued in
accordance with the terms of this Agreement, will be validly issued, fully paid
and nonassessable and free and clear of all Encumbrances, except for any
Encumbrances created by the Stockholders and encumbrances resulting from
restrictions on transferability imposed by federal and state securities laws.
Upon delivery to the Stockholders of the certificates evidencing the Restricted
Shares, the Stockholders shall acquire valid title to the Restricted Shares.

7.6. SEC Filings. Since November 1, 2001, BVI has filed with the SEC all forms,
statements, reports and documents required to be filed by it under each of the
1933 Act, the 1934 Act, and the respective rules and regulations thereunder. As
of their respective dates, such filings (a) complied as to form in all material
respects with all applicable requirements of the 1933 Act, the 1934 Act, as the
case may be, and the rules and regulations thereunder, and (b) did not contain
any untrue statement of material fact or omit to state a material fact required
to be stated therein or necessary in order to make the statements made therein,
in the light of the circumstances under which they were made, not misleading.

                                       22

<PAGE>

                                  ARTICLE VIII
                                CERTAIN COVENANTS

8.1. Future Cooperation; Tax Matters. Each of the Stockholders and SIS shall
deliver or cause to be delivered to the other following the Closing such
additional instruments as the other may reasonably request for the purpose of
fully carrying out this Agreement. The Stockholders will cooperate and use their
commercially reasonable best efforts to have the present officers, directors and
employees of the Company cooperate with BVI and the Surviving Corporation at and
after the Closing in furnishing information, evidence, testimony and other
assistance in connection with any actions, proceedings, arrangements or disputes
of any nature with respect to matters pertaining to all periods prior to the
Closing. The Stockholders will cooperate with the Surviving Corporation in the
preparation of all tax returns covering the period from the beginning of the
Company's current tax year through the Closing. In addition, the Surviving
Corporation will provide the Stockholders with access to such of its books and
records as may be reasonably requested by the Stockholders in connection with
federal, state and local tax matters relating to periods prior to the Closing.
The party requesting cooperation, information or actions under this Section 8.1
shall reimburse the other party for all reasonable out-of-pocket costs and
expenses paid or incurred in connection therewith, which costs and expenses
shall not, however, include per diem charges for employees or allocations of
overhead charges.

8.2. Expenses. BVI and SIS will pay the fees, expenses and disbursements of its
respective agents, representatives, accountants and counsel incurred in
connection with the execution, delivery and performance of this Agreement and
any amendments thereto. The Surviving Corporation following the Closing will pay
any expenses of audit or audit related procedures in connection with the
transactions contemplated hereby. The Stockholders will pay their fees, expenses
and disbursements and those of their and the Company's agents, representatives,
financial advisors, accountants and counsel incurred in connection with the
execution, delivery and performance of this Agreement and any amendments hereto
and the consummation of the transactions contemplated hereby.

8.3. Legal Opinion. At the Closing, the Company and the Stockholders shall cause
their legal counsel, Jagow, Groves & Meinerts, to deliver to SIS a legal opinion
in form and substance acceptable to SIS.

8.4. Consulting Services. For a period of twelve (12) weeks following the
Closing Date (the "Consulting Term"), each of Daryl McNab and Michael Waterhouse
will be available to provide transition consulting services to the Company at
the Company's discretion at a rate of $50.00 per hour.

8.5. Repayment of Related Party Indebtedness. Concurrently with the execution of
this Agreement, the Stockholders shall repay to the Company all amounts
outstanding as advances to or receivables from the Stockholders, each of which
advances or receivables is specifically reflected in Schedule 5.7.

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<PAGE>

8.6. Registration Statement on Form S-3.

     (a)   Subject to Section 8.6(c), below, as soon as practicable after the
Closing, BVI shall file with the SEC a Registration Statement on Form S-3 (or
any successor form adopted by the SEC) (the "Registration Statement") to
register the resale by the Stockholders of the Registrable Securities under the
1933 Act. After the Registration Statement is filed, BVI shall use commercially
reasonable efforts to have the Registration Statement declared effective by the
SEC and to maintain the effectiveness of the Registration Statement until the
first anniversary date of the Closing Date. In connection with such
registration, BVI will additionally:

     (i)   Prepare and file with the SEC such amendments to the Registration
           Statement and supplements to the prospectus contained therein as may
           be necessary to keep the Registration Statement effective for the
           period specified above;

     (ii)  Subject to the procedure set forth in Section 8.6(b), below, furnish
           to the Stockholders such reasonable number of copies of the
           Registration Statement, preliminary prospectus, final prospectus and
           such other documents reasonably requested in order to facilitate the
           resale of the Registrable Securities;

     (iii) Use commercially reasonable efforts to register or qualify the
           securities covered by the Registration Statement under such state
           securities or blue sky laws of such jurisdictions as the Stockholders
           may reasonably request in writing within twenty (20) days following
           the original filing of the Registration Statement, except that BVI
           shall not for any purpose be required to execute a general consent to
           service of process or to qualify to do business as a foreign
           corporation in any jurisdiction wherein it is not so qualified;

     (iv)  Notify the Stockholders, promptly after it shall receive notice
           thereof, of the time when the Registration Statement has become
           effective or a supplement to any prospectus forming a part of the
           Registration Statement has been filed;

     (v)   Notify the Stockholders promptly of any request by the SEC for the
           amending or supplementing of the Registration Statement or any
           prospectus or for additional information;; and

     (vi)  Advise the Stockholders, promptly after it shall receive notice or
           obtain knowledge thereof, of the issuance of any stop order by the
           SEC suspending the effectiveness of the Registration Statement or the
           initiation or threatening of any proceeding for that purpose and
           promptly use commercially reasonable efforts to prevent the issuance
           of any stop order or to obtain its withdrawal if such stop order
           should be issued.

     Each Stockholder hereby agrees to cooperate with all reasonable requests by
BVI necessary to effectuate the preparation and filing of the Registration
Statement, and agrees to provide BVI with all information required in connection
therewith in a timely manner.

                                       24

<PAGE>

     (b) Prior to any sales of Registrable Securities under the Registration
Statement by a Stockholder, the Stockholder contemplating the sales will provide
BVI with written notice of such intention, addressed to BVI's Chief Financial
Officer (a "Sale Notice"). BVI will notify such Stockholder within five (5)
business days following receipt of the Sale Notice as to whether sales by the
Stockholder may be made or will be limited as provided below. Upon notice from
BVI permitting sales by the Stockholder, for a period beginning on the date of
receipt by the Stockholder of such notice and ending 45 days thereafter (the
"Window Period"), the Stockholder may offer and sell Registrable Securities from
time to time pursuant to the Registration Statement. Anything in this Agreement
to the contrary notwithstanding, the ability of a Stockholder to sell
Registrable Securities pursuant to the Registration Statement and this Agreement
shall be suspended in the event that, upon receiving a Sale Notice or during any
Window Period, BVI's Chief Financial Officer notifies the Stockholder that: (i)
BVI has reasonably determined that it is necessary to file and cause to be
declared effective a post-effective amendment to the Registration Statement or a
prospectus supplement or to cause disclosure to be made under the Exchange Act
and incorporated by reference into the Registration Statement, in which case BVI
may give the Stockholder notice of such fact, and the requested Window Period
will not begin until such disclosure has been filed or post-effective amendment
has been declared effective by the SEC, as the case may be; or (ii) that (A) the
sale would interfere in any material respect with any financing, acquisition,
corporate reorganization or other similar material transaction pending or under
consideration by BVI, or (B) there is some other material development relating
to the condition (financial or otherwise) of BVI that has not been generally
publicly disclosed and that, under such circumstances for overriding business
reasons, disclosure would be inadvisable; provided, however, that (1) BVI shall
promptly notify the Stockholder submitting the Sale Notice following any
subsequent disclosure of such development, and (2) once BVI has determined that
public disclosure of such development is appropriate, it shall proceed with
diligence and all practicable speed to make such disclosure.

     (c) If at any time following the date of this Agreement, BVI shall be
ineligible to register its securities on Form S-3, then (i) BVI shall not be
obligated to effect any registration of the Registrable Securities under Section
8.6(a) until such time as BVI becomes eligible to use Form S-3 (provided,
however, that if at the time such eligibility is restored all of the Registrable
Securities held by a Stockholder are then eligible for sale during any given
three (3) month period under Rule 144 under the Securities Act, BVI will have no
further registration obligation under Section 8.6(a) with respect to such
Stockholder's Registrable Securities); and (ii) if the Registration Statement
has become effective under the 1933 Act, BVI may file an amendment to the
Registration Statement deregistering any Registrable Securities remaining unsold
at the time that BVI became ineligible to use Form S-3. BVI will provide prompt
notice to the Stockholders of any ineligibility to use Form S-3 and of any
deregistration of the Registrable Securities under this Section.

     (d) In connection with the registration of the Registrable Securities, BVI
shall bear the following fees, costs and expenses: all registration, filing NASD
and Nasdaq National Market or exchange listing fees, printing expenses, fees and
disbursements of counsel and accountants for BVI, all internal BVI expenses and
all legal fees and disbursements and other expenses of complying with state
securities or blue sky laws of any jurisdictions in which the Registrable
Securities are to be registered or qualified. Fees and disbursements of counsel
and accountants for the Stockholders, underwriting discounts and commissions and
transfer taxes

                                       25

<PAGE>

relating to the Registrable Securities included in the offering, and any other
expenses incurred by the Stockholders not expressly included above, shall be
borne by the Stockholders.

     (e) For the purposes of this Section 8.6, the term "Registrable Securities"
shall mean (i) the Restricted Shares, and (ii) any BVI Common Stock issued or
issuable with respect to such Restricted Shares by way of a stock dividend or
stock split or in connection with a combination of shares, recapitalization,
merger, consolidation or other reorganization.

8.7. Resignations. The individuals set forth on Schedule 8.7 shall deliver their
resignations as officers and directors of the Company effective as of the
Closing Date.

                                   ARTICLE IX
                                 INDEMNIFICATION

The Stockholders, BVI and SIS each make the following covenants:

9.1. General Indemnification by the Stockholders.

     (a) Subject to Sections 9.5 and 9.6, each of the Stockholders covenants and
agrees that such Stockholder will severally indemnify, defend, protect and hold
harmless BVI and the Surviving Corporation, and their respective officers,
directors, employees, stockholders, agents, representatives and Affiliates from
and against all Losses incurred by any of such indemnified persons as a result
of or arising from (i) any breach of the representations and warranties of the
Stockholders set forth in Sections 5.28, 13.1 and 13.2 or certificates delivered
in connection herewith, (ii) any breach or nonfulfillment of any covenant or
agreement on the part of such Stockholder under this Agreement, and (iii) all
transfer and other Taxes arising from the transactions contemplated by this
Agreement (for each Stockholder, the items listed in clauses (i), (ii) and
(iii), referred to collectively as such Stockholder's "Individual Stockholder
Indemnification Obligations").

     (b) Subject to Sections 9.5 and 9.6, the Stockholders covenant and agree
that they will jointly and severally indemnify, defend, protect and hold
harmless BVI and the Surviving Corporation, and their respective officers,
directors, employees, stockholders, agents, representatives and Affiliates from
and against all Losses incurred by any of such indemnified persons as a result
of or arising from (i) any breach of the representations and warranties of the
Stockholders set forth in Article V except those set forth in Section 5.28, (ii)
any breach or nonfulfillment of any covenant or agreement on the part of the
Company under this Agreement, and (c) all income taxes payable by the Company
for all periods prior to and including the Closing Date.

9.2. Indemnification by Surviving Corporation. Subject to Sections 9.5 and 9.6,
the Surviving Corporation covenants and agrees that it will indemnify, defend,
protect and hold harmless the Stockholders and their respective agents,
representatives, Affiliates, beneficiaries and heirs and employees from and
against all Losses incurred by any of such indemnified persons as a result of or
arising from (a) any breach of the representations and warranties of SIS set
forth herein or in the Schedules or certificates attached hereto, and (b) any
breach or nonfulfillment of any covenant or agreement on the part of SIS under
this Agreement.

                                       26

<PAGE>

9.3. Indemnification by BVI. Subject to Sections 9.5 and 9.6, BVI covenants and
agrees that it will indemnify, defend, protect and hold harmless the
Stockholders and their respective agents, representatives, Affiliates,
beneficiaries and heirs and employees from and against all Losses incurred by
any of such indemnified persons as a result of or arising from (a) any breach of
the representations and warranties of BVI set forth herein or in the Schedules
or certificates attached hereto, and (b) any breach or nonfulfillment of any
covenant or agreement on the part of BVI under this Agreement.

9.4. Third Person Claims.

     (a) Notice. Promptly after any party hereto (hereinafter the "Indemnified
Party") has received notice of or has knowledge of any claim by a person not a
party to this Agreement ("Third Person"), of the commencement of any action or
proceeding by a Third Person, which the Indemnified Party believes in good faith
is an indemnifiable claim under this Agreement, the Indemnified Party shall give
to the party obligated to provide indemnification pursuant to Section 9.1, 9.2
or 9.3 hereof (hereinafter the "Indemnifying Party") written notice of such
claim or the commencement of such action or proceeding. Such notice shall state
the nature and the basis of such claim and a reasonable estimate of the amount
thereof.

     (b) Defense by Indemnifying Party.The Indemnifying Party shall have the
right to defend and settle, at its own expense and by its own counsel, any such
matter so long as the Indemnifying Party pursues the same diligently and in good
faith. If the Indemnifying Party undertakes to defend or settle, it shall
promptly notify the Indemnified Party of its intention to do so, and the
Indemnified Party shall cooperate with the Indemnifying Party and its counsel in
all commercially reasonable respects in the defense thereof and in any
settlement thereof. Such cooperation shall include, but shall not be limited to,
furnishing the Indemnifying Party with any books, records and other information
reasonably requested by the Indemnifying Party and in the Indemnified Party's
possession or control. After the Indemnifying Party has notified the Indemnified
Party of its intention to undertake to defend or settle any such asserted
liability, and for so long as the Indemnifying Party diligently pursues such
defense, the Indemnifying Party shall not be liable for any additional legal
expenses incurred by the Indemnified Party in connection with any defense or
settlement of such asserted liability; provided, however, that the Indemnified
Party shall be entitled, at its expense, to participate in the defense of such
asserted liability and the negotiations of the settlement thereof.

     (c) Settlement. The Indemnifying Party shall not settle any such Third
Person claim without the consent of the Indemnified Party, unless the settlement
thereof imposes no liability or obligation on, and includes a complete release
from liability of, the Indemnified Party. If the Indemnifying Party desires to
accept a final and complete settlement of any such Third Person claim and the
Indemnified Party refuses to consent to such settlement, then the Indemnifying
Party's liability under this Section with respect to such Third Person claim
shall be limited to the amount so offered in settlement by said Third Person;
provided, however, that notwithstanding the foregoing, the Indemnified Party
shall be entitled to refuse to consent to any such proposed settlement and the
Indemnifying Party's liability hereunder shall not be limited by the amount of

                                       27

<PAGE>

the proposed settlement if such settlement does not provide for the complete
release of the Indemnified Party.

     (d) Defense by Indemnified Party. If, upon receiving notice, the
Indemnifying Party does not undertake to defend such matter within thirty (30)
days to which the Indemnified Party is entitled to indemnification hereunder, or
fails diligently to pursue such defense, the Indemnified Party may undertake
such defense through counsel of its choice, at the cost and expense of the
Indemnifying Party, and the Indemnified Party may settle such matter, in its
sole and absolute discretion, and the Indemnifying Party shall reimburse the
Indemnified Party to the extent the amount paid in such settlement and any other
liabilities or expenses incurred by the Indemnified Party in connection
therewith are indemnifiable Losses under this Agreement.

     (e) No Waiver. Except as provided in writing to such effect signed by such
person, no action or inaction of an Indemnifying Party under this Section 9.4
shall be deemed a waiver of such person's right to contest any claim for
indemnification under this Agreement.

9.5. Indemnification Deductible. Neither the Stockholders, on the one hand, nor
BVI and the Surviving Corporation, on the other hand, shall be entitled to
indemnification from the other under the provisions of Sections 9.1, 9.2 or 9.3,
as the case may be, until such time as, and only to the extent that, the claims
subject to indemnification by such other party exceed, in the aggregate,
$10,000. Notwithstanding the foregoing, the limitations set forth in this
Section 9.5 shall not apply to the representations set forth in Sections 5.5 and
5.16(b), or to fraudulent misrepresentations or willful or intentional breaches
of this Agreement.

9.6. Survival of Representations and Warranties. The representations and
warranties set forth in ARTICLE V, ARTICLE VI and ARTICLE VII shall survive the
Closing for a period of twenty-four (24) months from the Closing Date (the
"Expiration Date"), except that the representations and warranties set forth in
Sections 5.3, 5.11, 5.16, 5.18, and 5.28 hereof shall survive the transaction
contemplated by this Agreement and not terminate and the Expiration Date shall
not be applicable to said representations. Notwithstanding anything in this
ARTICLE IX to the contrary, an Indemnifying Party's indemnification obligations
under ARTICLE IX shall not terminate as of the Expiration Date with respect to
any claims for indemnification to which the Expiration Date would otherwise be
applicable which are asserted in writing prior to the Expiration Date and have
not been finally resolved prior to the Expiration Date.

9.7. Additional Notice; Cooperation. In addition to any notice which BVI, or the
Surviving Corporation may give to the Stockholders pursuant to this ARTICLE IX,
BVI and the Surviving Corporation agree that they shall give written notice to
the Stockholders promptly upon the receipt by BVI or the Surviving Corporation
of knowledge of a state of facts which, if not corrected, would in BVI's or the
Surviving Corporation's judgment be reasonably likely to become the subject of a
claim for indemnification hereunder; provided, that the failure of BVI or the
Surviving Corporation promptly to notify the Stockholders of any such matter
shall not release the Stockholders, in whole or in part, from their obligations
under this ARTICLE IX.

9.8. Exclusive Remedy. Subject to Sections 9.5 and 9.6 and in the absence of
fraud by any of the Stockholders, the exclusive remedy of BVI and the Surviving
Corporation for Losses that are

                                       28

<PAGE>

indemnifiable pursuant to Section 9.1 shall be pursuant to this ARTICLE IX,
unless an additional remedy or different remedy is expressly set forth in a
provision to this Agreement, and the parties waive all other remedies.

                                    ARTICLE X
                            NONCOMPETITION COVENANTS

10.1. Prohibited Activities.

     (a) As additional consideration for the Merger Consideration received by
the Stockholders, the Stockholders will not for three (3) years following the
Closing Date directly or indirectly, for himself, itself or on behalf of or in
conjunction with any other person, company, partnership, corporation or business
of whatever nature:

         (i)   call upon any person, who is, at that time, an employee or
               consultant of BVI or the Surviving Corporation or any of their
               respective subsidiaries, for the purpose or with the intent or
               effect of enticing such employee or consultant away from or out
               of the employ or contract with BVI or the Surviving Corporation
               or any of their respective subsidiaries; or

         (ii)  call upon any person or entity which is currently at that time,
               or has within one (1) year prior to that time been, a customer of
               the Company, for the purpose of soliciting or selling services or
               products in a Competitive Business, unless the Surviving
               Corporation, in its sole discretion, and upon written notice to
               the Stockholders, elects not to service specific customers
               otherwise covered by this Section 10.1(a).

     The Surviving Corporation shall, within thirty (30) days of receipt of a
written request from a Stockholder, deliver to said Stockholder a written
response indicating whether or not the Surviving Corporation is servicing or is
going to service the customer or customers identified in the Stockholder's
request.

     (b) Notwithstanding the above, Section 10.1(a) shall not be deemed to
prohibit any Stockholder from acquiring, as a passive investor with no
involvement in the operations of the business, not more than one percent of the
capital stock of a Competitive Business whose stock is publicly traded on a
national securities exchange, the NASDAQ Stock Market or over-the-counter.

10.2. Equitable Relief. Because of the difficulty of measuring economic losses
to BVI and the Surviving Corporation as a result of a breach of the foregoing
covenant, because a breach of such covenant would diminish the value of the
assets and business of the Company being sold pursuant to this Agreement, and
because of the immediate and irreparable damage that could be caused to BVI and
the Surviving Corporation for which it would have no other adequate remedy, each
Stockholder agrees that the foregoing covenant may be enforced against such
individual by injunctions, restraining orders and other equitable actions.

                                       29

<PAGE>

10.3.  Reasonable Restraint. It is agreed by the parties hereto that the
foregoing covenants in this ARTICLE X are necessary in terms of time, activity
and territory to protect BVI's and the Surviving Corporation's interest in the
assets and business being acquired pursuant to the terms of this Agreement and
impose a reasonable restraint on each Stockholder in light of the activities and
businesses of the Company on the date of the execution of this Agreement and the
current plans of the Company.

10.4.  Severability; Reformation. The covenants in this ARTICLE X are severable
and separate, and the unenforceability of any specific covenant shall not affect
the continuing validity and enforceability of any other covenant. In the event
any court of competent jurisdiction shall determine that the scope, time or
territorial restrictions set forth in this ARTICLE X are unreasonable and
therefore unenforceable, then it is the intention of the parties that such
restrictions be enforced to the fullest extent which the court deems reasonable
and this Agreement shall thereby be reformed.

10.5.  Material and Independent Covenant. Each Stockholder acknowledges that his
agreements and the covenants set forth in this ARTICLE X are material conditions
to BVI's and SIS's agreements to execute and deliver this Agreement and to
consummate the transactions contemplated hereby and that BVI and SIS would not
have entered into this Agreement without such covenants. All of the covenants in
this ARTICLE X shall be construed as an agreement independent of any other
provision in this Agreement.

                                   ARTICLE XI
                    NONDISCLOSURE OF CONFIDENTIAL INFORMATION

11.1.  General. Each Stockholder recognizes and acknowledges that he had in the
past, currently has, and in the future will have, access to certain confidential
information relating to the businesses of the Company, such as lists of
customers, operational policies, and pricing and cost policies that are, and
following the Closing will be, valuable, special and unique assets of the
Surviving Corporation. Each Stockholder agrees that it will not use or disclose
such confidential information to any person, firm, corporation, association or
other entity for any purpose whatsoever, except as is required in the course of
performing its duties, if any, to the Surviving Corporation, unless (a) such
information becomes known to the public generally through no fault of such
Stockholder, or (b) disclosure is required by Law, provided that prior to
disclosing any information pursuant to this clause (b) such Stockholder shall,
if possible, give prior written notice thereof to the Surviving Corporation and
provide the Surviving Corporation with the opportunity to contest such
disclosure. In the event of a breach or threatened breach by any Stockholder of
the provisions of this Section, the Surviving Corporation shall be entitled to
an injunction restraining such Stockholder from disclosing, in whole or in part,
such confidential information. Nothing herein shall be construed as prohibiting
the Surviving Corporation from pursuing any other available remedy for such
breach or threatened breach, including, without limitation, the recovery of
damages.

11.2.  Equitable Relief. Because of the difficulty of measuring economic losses
as a result of the breach of the foregoing covenants, because a breach of such
covenant would diminish the value of the assets and business of the Company
being sold pursuant to this Agreement, and

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<PAGE>

because of the immediate and irreparable damage that would be caused for which
the Surviving Corporation would have no other adequate remedy, each Stockholder
agrees that the foregoing covenants may be enforced against him by injunctions,
restraining orders and other equitable actions.

                                   ARTICLE XII
                             INTENDED TAX TREATMENT

12.1.  Tax-Free Reorganization. SIS and the Stockholders are entering into this
Agreement with the intention that the Merger qualify as a tax-free
reorganization for federal income tax purposes, except to the extent of any
"boot" received, and neither SIS nor the Stockholders will take any actions that
disqualify the Merger for such treatment.

                                  ARTICLE XIII
               FEDERAL SECURITIES ACT AND CONTRACTUAL RESTRICTIONS
                               ON BVI COMMON STOCK

13.1   Compliance with Law. Each of Celtic Enterprises, LTD. and Marvin H.
Peterson (collectively, the "Continuing Stockholders") acknowledge the shares of
BVI Common Stock issued at the Closing in accordance with the terms of this
Agreement (the "Restricted Shares") will not be registered under the 1933 Act at
the time of Closing and therefore may not be resold without compliance with the
1933 Act, including registration pursuant to the Registration Statement. The
Restricted Shares are being or will be acquired by the Continuing Stockholders
solely for their own account, for investment purposes only, and with no present
intention of distributing, selling or otherwise disposing of them in connection
with a distribution. The Continuing Stockholders covenant, warrant and represent
that none of the Restricted Shares will be, directly or indirectly, offered,
sold, assigned, pledged, hypothecated, transferred or otherwise disposed of
except after full compliance with all of the applicable provisions of the Act
and the rules and regulations of the SEC. Certificates representing the
Restricted Shares shall bear a legend in substantially the following language:

     The shares represented by this certificate were not issued in a
     transaction registered under the Securities Act of 1933, as amended
     ("Securities Act"), or any applicable state securities laws. The
     shares represented hereby have been acquired for investment and may
     not be sold or transferred unless such sale or transfer is covered by
     an effective registration statement under the Securities Act and
     applicable state securities laws or, in the opinion of counsel to the
     issuer, is exempt from the registration requirements of the Securities
     Act and such laws.

13.2.  Economic Risk; Sophistication; Accredited Investor Status. Each
Continuing Stockholder is able to bear the economic risk of an investment in the
Restricted Shares and can afford to sustain a total loss of such investment.
Each Continuing Stockholder has such knowledge and experience in financial and
business matters that it or he is capable of evaluating the merits and risks of
the proposed investment and therefore has the capacity to protect his or its

                                       31

<PAGE>

own interests in connection with the acquisition of the Restricted Shares. Each
Continuing Stockholder represents to BVI and SIS that it or he is an "accredited
investor," as that term is defined in Regulation D under the 1933 Act. Each
Continuing Stockholder or his or its representatives have had an adequate
opportunity to ask questions and receive answers from the officers of BVI and
SIS concerning, among other matters, BVI, its management, its plans for the
operation of its business and potential additional acquisitions.

13.3.  SEC Reporting. With a view to making available the benefits of certain
rules and regulations of the SEC that may permit the resale of BVI Common Stock
to the public without registration, for a period of one year after the Closing,
BVI agrees to use commercially reasonable efforts to:

     (a)  make and keep public information (as such terms are defined in Rule
144) regarding BVI available;

     (b)  file with the SEC in a timely manner all reports and other documents
required of BVI under the 1933 Act and the 1934 Act; and

     (c)  furnish to each Continuing Stockholder upon written request a written
statement by BVI as to its compliance with the reporting requirements of the
1933 Act and the 1934 Act, a copy of the most recent annual or quarterly report
of BVI, and such other reports and documents so filed as such Continuing
Stockholder may reasonably request in availing himself of any rule or regulation
of the SEC allowing such Continuing Stockholder to resell any such shares
without registration.

                                   ARTICLE XIV
                                  MISCELLANEOUS

14.1.  Successors and Assigns. This Agreement and the rights of the parties
hereunder may not be assigned (except by operation of Law) and shall be binding
upon and shall inure to the benefit of the parties hereto, the successors of
BVI, the Surviving Corporation and the Company, and the heirs and legal
representatives of the Stockholders.

14.2.  Entire Agreement. This Agreement (including the Schedules, exhibits and
annexes attached hereto) and the documents delivered pursuant hereto constitute
the entire agreement and understanding among the Stockholders, the Company, SIS
and BVI and supersede any prior agreement and understanding relating to the
subject matter of this Agreement. This Agreement may be modified or amended only
by a written instrument executed by the Stockholders, the Company, SIS and BVI,
acting through their respective officers, duly authorized by their respective
Boards of Directors.

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

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<PAGE>

14.4.  Brokers and Agents. Except for SIS's engagement of McCord Consulting
Group ("Broker"), each party hereto represents and warrants that it employed no
broker or agent in connection with the transactions contemplated by this
Agreement. The payment of any other amounts to Broker shall be the liability and
obligation of SIS. Each party agrees to indemnify each other party against all
loss, cost, damages or expense arising out of claims for fees or commissions of
brokers employed or alleged to have been employed by such indemnifying party.

14.5.  Notices. All notices and communications required or permitted hereunder
shall be in writing and may be given by depositing the same in the United States
mail, addressed to the party to be notified, postage prepaid and registered or
certified with return receipt requested, or by delivering the same in person to
an officer or agent of such party, as follows:

     (a)   If to SIS or the Surviving Corporation, addressed to them at:

                    Synovis Interventional Solutions, Inc.
                    475 Apollo Drive
                    Lino Lakes, MN 55014
                    Attn:  Fariborz Boor Boor

           If to BVI, addressed to it at:

                    Bio-Vascular, Inc.
                    2525 University Avenue
                    St. Paul, MN 55114-1024
                    Attn:  Karen Gilles Larson

           With a copy in each case (which shall not constitute notice) to:

                    Winthrop & Weinstine, P.A.
                    Richard A. Hoel, Esq.
                    Dain Rauscher Plaza
                    South Sixth Street
                    Minneapolis, Minnesota 55402

     (b)   If to any Stockholder, respectively addressed as follows:

                    Celtic Enterprises, Ltd.
                    ______________________
                    ______________________
                    Attn: Daryl R. McNab

                    Marvin H. Peterson
                    ______________________
                    ______________________
                    ______________________

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<PAGE>

                    Michael R. Waterhouse
                    ______________________
                    ______________________
                    ______________________

                    Steven R. Farris
                    ______________________
                    ______________________
                    ______________________

           With a copy (which shall not constitute notice) to:

                    Jagow, Groves & Meinerts
                    Howard Groves, Esq.
                    350 West Burnsville Parkway #825
                    Burnsville, MN 55337

or such other address as any party hereto shall specify pursuant to this Section
14.5 from time to time.

14.6.  Exercise of Rights and Remedies. Except as otherwise provided herein, no
delay of or omission in the exercise of any right, power or remedy accruing to
any party as a result of any breach or default by any other party under this
Agreement shall impair any such right, power or remedy, nor shall it be
construed as a waiver of or acquiescence in any such breach or default, or of
any similar breach or default occurring later; nor shall any waiver of any
single breach or default be deemed a waiver of any other breach or default
occurring before or after that waiver.

14.7.  Reformation and Severability. In case any provision of this Agreement
shall be invalid, illegal or unenforceable, it shall, to the extent possible, be
modified in such manner as to be valid, legal and unenforceable, but so as to
most nearly retain the intent of the parties, and if such modification is not
possible, such provision shall be severed from this Agreement, and in either
case, the validity, legality and enforceability of the remaining provisions of
this Agreement shall not in any way be affected or impaired thereby.

14.8.  Third Party Beneficiaries. Nothing provided in this Agreement is intended
to provide any rights or benefits to third parties.

              (THE REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK)

                                       34

<PAGE>

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

                              BIO-VASCULAR, INC.

                              By:__________________________________________
                              Its:_________________________________________

                              SYNOVIS INTERVENTIONAL
                              SOLUTIONS, INC.

                              By:__________________________________________
                              Its:_________________________________________

                              EMTECH, INC.

                              By:__________________________________________
                              Its:_________________________________________

                              CELTIC ENTERPRISES, LTD.

                              By:__________________________________________
                                  Daryl R. McNab
                              Its:_________________________________________

                              _____________________________________________
                              Marvin H. Peterson, Individually

                              _____________________________________________
                              Michael R. Waterhouse, Individually

                              _____________________________________________
                              Steven R. Farris, Individually

                                       35

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