EXHIBIT (2-2) SHARE PURCHASE AGREEMENT BETWEEN Unilabs Group Limited, British Virgin Islands and Unilabs Management Company Limited, Gibraltar as Sellers AND Cantonal Bank of Geneva, Switzerland as Purchaser Relating to 5% of the Shares in Unilabs SA 22 This Share Purchase Agreement was entered into on February 6, 1997 between the following parties: 1. Unilabs Group Limited, British Virgin Islands (hereinafter referred to as "UGL") and Unilabs Management Company Limited, Gibraltar (hereinafter referred to as "UMC") of the first part and 2. Cantonal Bank of Geneva, Switzerland (hereinafter referred to as "Purchaser") of the other part Introduction UGL is the majority shareholder of Unilabs SA, a Swiss corporation (the "Company"), currently holding 79% of the Company's issued and outstanding share capital. UMC is a wholly-owned subsidiary of the Company currently holding 5% of the Company's issued and outstanding share capital. The Company intends to do an initial public offering ("IPO") by listing its shares on the Swiss Stock Exchange. For purposes of preparing the IPO, the Purchaser is prepared to buy an equity interest in the Company. The Company accepts that the Purchaser will have the right but not the obligation to act as co-lead manager in the IPO, subject to agreement of Union Bank of Switzerland, the designated leadmanager. Based on the foregoing, the Parties agree as follows: 23 1. Sale and Purchase of Shares UMC agrees to sell to the Purchaser and the Purchaser agrees to buy from UMC 800 bearer shares of the Company with a nominal value of Sfrs. 500.-- each, representing 5.0% of the total of the issued and outstanding share capital of the Company. The 800 shares to be sold to the Purchaser are hereinafter referred to as the "Shares." 2. Purchase Price The purchase price for the Shares shall be Sfrs. [Confidential Portion] per share, representing Sfrs. [Confidential Portion] in the aggregate (the "Purchase Price"). The Purchase Price shall be payable at the Closing (as defined under Section 3.1 below) by wire transfer to the account to be designated by UMC and against delivery of the Shares. 3. Closing 3.1 Closing Date of Transaction The sale and purchase of the Shares shall be consummated at the offices of the Purchaser or at such other place as the Parties may agree, on February 6, 1997 (the "Closing Date"). 3.2 Conditions Precedent The sale and purchase of the Shares contemplated herein shall be subject to the following conditions being met on or before February 6, 1997: a) Approval: Approval of the purchase of the Shares by the General Management of the Purchaser. b) Board Approvals: Approval of the purchase of the Shares by the boards of directors of UGL and UMC. 4. Representations and Warranties of Seller and Company UGL and UMC hereby represent and warrant to the Purchaser, such representations and warranties to be true as of the signing of this Agreement and at Closing, the following: a) Legal Existence: The Company and each of its subsidiaries listed in Exhibit 1 (the "Subsidiaries") is a corporation duly incorporated and validly existing under the laws of the jurisdiction in which it is incorporated, capable of being sued in its own right. 24 The Company has the power to own its property and assets and the authority to carry on its business as currently conducted. b) Ownership Structure: The Company has a share capital of Sfrs. 8'000'000.--, divided into 16'000 shares with a nominal value of Sfrs. 500.-- each. No further capital, non-voting stock, convertible securities or similar rights in the Company have been or will by the Closing be created or issued or agreed to be issued. The Shares have been validly issued and fully paid-up. Notwithstanding the foregoing, a restructuring of the Company's share capital is currently contemplated in view of the IPO which will result in (i) a split of the nominal value of the bearer shares from Sfrs. 500.-- to Sfrs. 40.-- and (ii) the creation of a new class of registered shares of Sfrs. 20.-- nominal value which will represent 30% of the capital and approximately 47% of the voting rights. The registered shares will be reserved to UGL, and the Purchaser will receive only bearer shares after the restructuring. This proposal for the Company's new dual capital structure is shown in Exhibit 2. c) Ownership: The Seller is the sole legal and beneficial owner of the Shares, free and clear of all liens, encumbrances, options, charges and other claims arising from any privilege, pledge or security arrangement. The Seller has full right and capacity to transfer and sell the Shares. Upon delivery of the Shares, the Purchaser will receive good and valid title to the Shares, free and clear of all liens, encumbrances or other rights of third parties. On the Closing date, the ownership structure of the Company will be as follows: % of capital Unilabs Group Ltd.: 79.0% Unilabs Holding SA, Panama: 10.0% EIBA: 5.0% Cantonal Bank of Geneva: 5.0% Unilabs Management Company Ltd.: - Third Party: 1.0% The Purchaser is aware that UGL is negotiating with KK Trust AG the sale to KK Trust AG of another 5% of shares of Unilabs SA, which it expects to complete by the end of February 1997. d) Annual Accounts: The latest consolidated annual accounts as per May 31, 1996 of the Company (as delivered to the Purchaser) fairly represent the consolidated financial 25 situation of the Company as per the balance sheet date and have been prepared in compliance with generally accepted accounting principles as applied in the United States (US GAAP). e) Assets: Except as disclosed in Exhibit 3, the Company ------ --------- and each of the Subsidiaries owns all real property, personal property and other assets, tangible and intangible, reflected in the latest annual balance sheet of the Company or the relevant Subsidiary, free and clear of all liens, charges, security interests and other incumbrances. There are no assets which are used in the conduct of the business of the Company or any of its Subsidiaries which are not reflected in the latest annual balance sheet of the Company or the relevant Subsidiary. f) Accounts Receivable: The accounts receivable reflected in the latest annual accounts of the Company and of each Subsidiary are fully collectible within 90 days and, to the extent they are not fully collectible, whether or not within a period of 90 days, the Company or the relevant Subsidiary has created provisions sufficient to cover any shortfall. g) No Undisclosed Liabilities: Except as disclosed in Exhibit 4, none of the Company and the Subsidiaries have any liabilities or obligations of any nature (absolute, accrued, contingent or otherwise), which are not fully reflected or reserved against in the latest annual accounts of the Company or the relevant Subsidiary. h) Books and Records: The Company and each Subsidiary is in possession and has accurately kept all accounts, books, letters, financial and other records as required by applicable law. i) Taxes: The Company and each Subsidiary has timely filed all tax returns for income tax, withholding taxes, stamp taxes, sales taxes, social security taxes and all other taxes of every kind whatsoever required by law to be filed and all such tax returns are complete and accurate. The Company and each Subsidiary has paid all taxes which have become due and there is no further liability for any taxes and no interests or penalties accrued or accruing with respect thereto which would exceed the provisions created in the last balance sheet of the Company or the relevant Subsidiary specifically for such liabilities, interests or penalties. j) No Material Adverse Change: Except as disclosed in Exhibit 5 attached hereto, since the last balance sheet date of May 31, 1996, the financial situation (consolidated and non-consolidated) of the Company or its 26 business has not been affected by any material adverse change. k) Permits and Authorizations: The Company and each Subsidiary has all the permits and authorizations which are necessary to carry on its business and neither the execution of this Agreement nor the consummation of the transaction contemplated herein will affect the effectiveness of such permits and authorizations. l) Compliance with Applicable Laws: In conducting its ------------------------------- business as currently conducted, the Company and each Subsidiary is in compliance with all applicable laws, statutes, orders, rules and regulations of any governmental authority. Without limiting the generality of the foregoing, the Company and each Subsidiary is in compliance with all environmental laws, regulations, orders and decrees applicable to it. m) Insurance: The insurance policies of the Company and of each Subsidiary adequately cover the risks associated with the business of the Company and the relevant Subsidiary. n) Intellectual Property Rights: The Company and each ---------------------------- Subsidiary owns all the knowhow, patents, trademarks, copyrights and other intellectual property rights, if any, which are necessary for or used in the conduct of its business as it is now being conducted or has adequate license to such rights. None of such patents, trademarks, copyrights or other intellectual property rights violate the rights of any third party. o) Information Technology: The Company and each Subsidiary has the rights to the information technology necessary to conduct the business as currently conducted and such rights will continue to be effective at least until December 31, 1998. Exhibit 6 contains a complete list of information technology rights (licences, source codes, etc.) currently used by the Company and the Subsidiaries. p) No Litigation: No litigation, arbitration, ------------- administrative proceedings (including tax proceedings) or governmental or regulatory investigations are pending or, to the best of the Company's or Seller's knowledge, threatened against the Company or any Subsidiary and there are no judgments or decisions which could jeopardize the conclusion, performance or enforceability of this Agreement or which could otherwise adversely affect this Agreement. q) Group Structure: The group structure shown in Exhibit 1 is complete and accurate; except with respect to Vivagen Diagnostics AG and SQ-Lab Aerztelabor AG, the share 27 capital of each group company is fully paid-in. r) Intercompany Dealings: Except as disclosed to the Purchaser in Exhibit 7, all intercompany dealings between companies of the group shown in Exhibit 1 or between group companies and related parties have been made at market conditions (arm's length). s) Full Disclosure: The information and material provided --------------- by the Company to the Purchaser for purposes of the due diligence audit (legal, financial and business) is complete and accurate in every material respect and no information has been withheld from the Purchaser which would have affected its decision to enter into this Agreement. Without limiting the generality of the foregoing, there are no oral or written agreements that have not been disclosed to the Purchaser and which could affect the present or future ownership structure of the Company. 5. Remedies 5.1 Term of Representations and Warranties The representations and warranties set forth in Section 4 of this Agreement shall continue to be in effect until December 31, 1997. Notice of claims may be given by the Purchaser in writing until and including December 31, 1997. The Purchaser is not bound by any examination or notice requirements otherwise applicable under Swiss law, except that upon discovery of a claim notice shall be given by the Purchaser to the Seller as soon as reasonably practicable, subject to the overall limitation provided for in the preceding paragraph. 5.2 Remedies In case of a breach of a representation and warranty by UGL, UGL shall be liable to indemnify the Purchaser against all losses suffered by the Purchaser as a result of any such misrepresentations or breach of warranty or covenant. In case of a breach of representations and warranties, the losses are calculated based on the difference between the actual net asset value of the Company, on a consolidated basis, and the consolidated net asset value of the Company had the relevant representation and warranty been accurate. 5.3 Limitation No claims may be raised by the Purchaser under Section 5 of this Agreement, unless such claims in each single case of breach of warranty exceed Sfrs. 50'000.-- and, in the 28 aggregate, reach an amount of Sfrs. 100'000.--. For the avoidance of doubt, if the claim of the Purchaser exceeds in the aggregate Sfrs. 100'000.--, the Purchaser is entitled to claim from UGL the entire amount and not only the amount in excess of Sfrs. 100'000.--. 6. Sale in IPO The Purchaser shall have the right to sell its shares to the public in the event of an IPO. The sale of the shares in an IPO shall take place at the terms and conditions set by all the parties involved in the IPO. Such right shall be subordinated to a preference right granted to EIBA pursuant to a Shareholders Agreement dated January 17, 1997 by and between EIBA, UGL and the Company. To enable the Purchaser to exercise its right to sell in an IPO, UGL shall promptly indicate to the Purchaser in writing the terms and conditions at which the IPO is to take place. Within five business days of receipt of such information, the Purchaser shall notify UGL whether or not it wishes to exercise its right at the terms indicated. If so, the Purchaser shall deliver its shares in the Company to the Company, or a party designated by the Company, against payment of the IPO placement price. 7. Puts and Calls 7.1 Call Option of the Seller For the period of August 1, 1998 to December 31, 2001 UGL, or a party designated by UGL, shall have the right to purchase the Company's shares then held by the Purchaser. The exercise price shall be equal to the purchase price paid by the Purchaser pursuant to the Share Purchase Agreement increased by 15% per annum, compounded annually and calculated for the period between payment of the purchase price by the Purchaser and exercise of the call option by UGL. If UGL wishes to exercise its call option, it shall notify the Purchaser in writing between August 1, 1998 and no later than by 12.00 noon on December 31, 2001. If such date is not a date on which banks are open for business in Zurich and Geneva, the exercise notice shall reach the Purchaser by 12.00 noon on the last business day of 2001. The sale shall be completd within 10 busines days of receipt of the exercise notice by the Purchaser and shall take place by the Purchaser delivering its shares in the Company to UGL or its designee against receipt of the exercise price. Each party shall bear its own costs and expenses incurred in connection with the exercise of the call option, except that UGL will pay all stamp duties related to the exercise of the call option. 29 7.2 Put Option for the Purchaser For the period of February 1, 2000 until December 31, 2001 the Purchaser shall have the right to sell its shares in the Company to UGL. The exercise price for the put option shall be equal to the purchase price paid by the Purchaser pursuant to the Share Purchase Agreement, increased by 12% per annum, compounded annually and calculated for the period between the date of purchase by the Purchaser and the date of exercise of the put option by the Purchaser. If the Purchaser wishes to exercise its put option it shall notify UGL in writing, indicating that it exercises its put option and the exercise price. The sale shall be completed within 10 business days of receipt of the exercise notice by UGL and shall take place by the Purchaser delivering its shares in the Company against receipt of the exercise price. Each party shall bear its own costs and expenses incurred in connection with the exercise of the call option, except that UGL will pay all stamp duties related to the exercise of the put option. 7.3 Subordination of Put The Purchaser hereby expressly acknowledges that any claim it may have against UGL pursuant to Section 7.2 above will be subordinated to any claim made by EIBA against UGL in connection with EIBA's put option pursuant to its Shareholders Agreement dated January 17, 1997. 7.4 Expiration of Puts and Calls It is agreed that both the call option of UGL pursuant to Section 7.1 above and the put option of the Purchaser pursuant to Section 7.2 above shall cease to be valid if an IPO of the Company occurs. 8. Miscellaneous 8.1 Costs and Expenses All costs and expenses incurred by the Purchaser in connection with the preparation, negotiation, execution and performance of this Agreement shall be borne by the Purchaser, including legal fees. UGL and UMC shall bear their own costs and expenses. 8.2 Taxes 30 Each party shall bear all taxes or other charges which become due by itself in connection with the execution or performance of this Agreement, such as securities transfer tax, except with respect to stamp duties to the extent provided under Sections 7.1 and 7.2. 8.3 Access to Information UGL will procure that the Company grant the Purchaser full access to, and provide it with, all information and material regarding the ownership structure and the business of the Company and its subsidiaries which the Purchaser may reasonably request. In particular, the Seller shall keep the Purchaser duly informed of the IPO process. This right of information is in addition to the statutory right of information of the Purchaser as a shareholder of the Company. The Purchaser undertakes to keep such information confidential and not to disclose it to any third party. 8.4. Transfer Restrictions For the term of this Agreement, UGL shall not be permitted to sell, assign or otherwise transfer its controlling shareholding interest in the Company without the prior written consent of the Purchaser. In the event the transfer to UGL's controlling interest in the Company is to be made to another company within the same group of companies, the Purchaser and its affiliated and related companies (including investment funds managed by the Purchaser) will not unreasonably withhold such consent, provided the transferee agrees to be bound by the terms of this Agreement. 8.5 Notices Communications under this Agreement shall be made in writing by letter, telex or telefax and addressed as follows: if to the Purchaser: Banque Cantonale de Geneve Mr. Jean Buhler Quai de I'lle 17 1204 Geneva Tel.: 41-22-317.27.27 Fax: 41-22-311.81.71 if to UGL and/or UMC: Unilabs SA Mr. Eric Wavre 12, place Cornavin 1201 Geneva Tel.: +41-22-909-7777 Fax: +41-22-909-7707 31 8.6 Entire Agreement This Agreement embodies the entire agreement between the parties hereto with respect to the transaction contemplated herein and there have been and are no agreements or warranties between the parties other than those set forth or provided for herein. This Agreement may be amended only in writing through an instrument signed by all the parties hereto. 8.7 Confidentiality The parties shall keep the terms of this Agreement confidential and shall not disclose it to any third parties. 8.8 Governing Law and Jurisdiction This Agrement shall be governed by Swiss law. Disputes arising out of or in connection with this Agreement shall be submitted to the jurisdiction of the ordinary courts of the Canton of Geneva, venue being Geneva. The Purchaser reserves the right to take legal action against UGL or UMC at their registered offices or at any other competent place of jurisdiction. 32 Place and Date: Geneva, February 6, 1997 - ------------------------------- ------------------------------ Unilabs Management Company Unilabs Group Limited - ------------------------------- Cantonal Bank of Geneva 33 List of Exhibits Exhibit 1: Structure of the Unilabs SA group Exhibit 2: Proposal for Unilabs SA's new dual capital structure Exhibit 3: List of assets not owned or not free and clear Exhibit 4: List of interest bearing debts and contingent liabilities Exhibit 5: Material adverse change Exhibit 6: List of information technology rights Exhibit 7: List of intercompany transactions and transactions with related parties 34