Document:

SHARE PURCHASE AGREEMENT
                            ------------------------

                Made and entered into this 29th day of June, 2000

BETWEEN
TECHNION ENTREPRENEURIAL INCUBATOR CO. LTD.
Address: Science Park Technion-Nesher, P.O. Box 212, Nesher 36601, Israel
                                                                  (The "SELLER")
AND
EUROTECH LTD.
Address: 1216 16th St., N.W., Washington D.C. 20036, USA
                                                                   (The "BUYER")

WHEREAS  the Seller is a shareholder and owner of 55 ordinary shares in Rademate
         Ltd., a company which was duly registered under the laws of the State
         of Israel (the "COMPANY") and 25 ordinary B shares in the Company; and
WHEREAS  the Buyer is a shareholder and owner of ordinary shares in the Company;
         and
WHEREAS  the Buyer wishes to purchase the 55 ordinary shares and the 25 ordinary
         B shares (hereinafter the "80 SHARES") of the Company from Seller for
         the sum of US$120,000; and
WHEREAS  the Seller wishes to sell the 80 Shares of the Company to Buyer for the
         sum of US$120,000; and
WHEREAS  the Buyer wishes to give the Seller the benefit of the appreciation of
         the 25 ordinary B shares of the Company (hereinafter the "APPRECIATION
         SHARES") defined as being the amount above the selling price of
         US$6,000 per share or above the aggregate of US$150,000 for all
         Appreciation Shares as described in Section 3 (hereinafter the
         "APPRECIATION"); and
WHEREAS  the Buyer is a major shareholder of the Company and therefore does not
         need or require any representations, warranties or additional
         information from the Seller regarding the Company; and

NOW THEREFORE THE PARTIES HAVE AGREED AS FOLLOWS:

1.       The preamble and exhibits to this Agreement form an integral
         part hereof.

2.       TRANSFER AND PAYMENT
         --------------------
2.1      TRANSFER OF SHARES. Subject to and upon the terms and conditions of
         this Agreement, Seller shall sell, transfer and assign to Buyer the 80
         Shares of the Company and Buyer shall acquire all rights, title and
         interest of the Sellers in said 80 Shares. Both parties will sign a
         Deed of Transfer in a form identical to EXHIBIT A attached hereto and
         Seller will cause the registration of the transfer of the shares with
         the Registrar of Companies and the issuance of the share certificates
         to Buyer.

2.2      In exchange for the sale to Buyer of the 80 Shares of the Company, the
         Buyer shall pay to Seller a total amount of US$120,000 (one hundred

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         twenty thousand US dollars), in accordance with the following schedule:
                  a) US$ 60,000 shall be paid by the Buyer no later than July
                  14, 2000.
                  b) US$ 60,000 shall be paid by the Buyer no later than August
                  14, 2000.
         The said amounts will be transferred by the Buyer to the Israeli bank
         account of the Seller in United States Dollars.

3.       THE APPRECIATION
         ----------------

3.1      If, at any time within five years from the date of this transaction,
         the Company, with the consent of the holders (each a "B Holder") of a
         majority of Ordinary B Shares, engages in, and receives the proceeds
         of, an Exit Transaction, then each B Holder shall be obligated to pay
         to TEIC an amount equal to the value of the Ordinary B Shares held by
         such B Holder as of the date of closing of the Exit Transaction, minus
         US$6,000 divided by the number of Ordinary B Shares then outstanding
         times the number of Ordinary B Shares held by such B Holder. For the
         purpose of Ordinary B Shares:

         (a)  an Exit Transaction shall mean an initial public offering (IPO) by
              the Company of its Ordinary Shares, or a merger or consolidation
              of the Company with or into another entity, or a sale by the
              Company of all or substantially all of its assets, or the
              Company's liquidation; and

         (b)  the value of each Ordinary B Share shall mean (i) in the case of
              such IPO, the net proceeds per Ordinary Share received by the
              Company; (ii) in the case of a merger or consolidation, the value
              attributed to the Ordinary Shares in such transaction, divided by
              the number of Ordinary Shares then outstanding; (iii) in the case
              of a sale of assets, the net equity per share of the Ordinary
              Shares after giving effect to such transaction; and (iv), in the
              case of a liquidation, the total per Ordinary Share of all
              liquidating distributions.

3.2      Buyer shall notify Seller of any Exit event no later than thirty (30)
         days prior to said Exit event.

3.3      Buyer irrevocably agrees to instruct its CPA to inform Seller of any
         sale of the Appreciation Shares thirty (30) days prior to said sale.

4.       ANNUAL REPORT OF COMPANY.
         -------------------------
         Buyer undertakes to submit to Seller a copy of the annual report of the
         Company (hereinafter the "ANNUAL REPORT") so long as the Company is
         obligated to pay royalties to the Office of the Chief Scientist,
         Ministry of Industry & Trade.

5.       GOVERNING LAW & JURISDICTION
         ----------------------------
         This agreement shall be interpreted in accordance with, and governed
         in all aspects by the laws of the state of Israel and the competent
         courts in Haifa shall have the exclusive jurisdiction over all
         disputes arising between the parties with respect to this Agreement,
         its implementation or interpretation.

6.       GENERAL
         -------

6.1      Both parties agree that this Agreement may be executed in several
         counterparts and all such counterparts together shall be deemed to be
         the original and will constitute but one and the same instrument. To

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         remove any doubt, facsimile signature shall be deemed as an original
         for all purposes.

6.2      The failure or delay of either party to require the performance of any
         term under this Agreement, or the waiver by either party of any breach
         under this Agreement, shall not prevent subsequent enforcement of such
         terms, nor be deemed a waiver of any subsequent or prolonged breach

6.3      Any notice sent by one party to the other by registered mail to the
         addresses heading the Agreement, or to addresses provided by one party
         to the other from time to time - will be deemed to have been delivered
         on the 7th business day after the day of mailing. Fax messages will be
         deemed to have been delivered one business day after transmission.

IN WITNESS WHEREOF THE PARTIES HAVE SIGNED

/s/ Don V. Hahnfeldt
-------------------------                  -------------------------
SELLER                                     BUYER

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                                    EXHIBIT A
                                    ---------

                               SHARE TRANSFER DEED
                               -------------------

We, Technion Entrepreneurial Incubator Co., Company Registration Number
51-156992-3, of Science Park Technion-Nesher, P.O. Box 212, Nesher 36601, Israel
in consideration of the sum of US$120,000 (One hundred twenty thousand United
States Dollars) paid to us by EUROTECH LTD (hereinafter the "BUYER"), hereby
transfer, assign and sell to the Buyer, 55 ordinary shares and 25 ordinary B
shares of par value 1.00 NIS each, of the company RADEMATE LTD., company
registration number 51-260511-4, a company which was duly registered under the
laws of the State of Israel, to be held by the Buyer, the Executors of his will,
his estate managers, his representatives and assigns, in accordance with all the
terms and conditions under which we held the shares at the time we signed this
document.

And I, the Buyer, hereby agree to receive the aforementioned shares in
accordance with the above mentioned terms and conditions.

IN WITNESS WHEREOF, WE HAVE SET OUR HANDS THIS June 29th, 2000 IN _____________,

/s/ Don V. Hahnfeldt
-------------------------                       -------------------------
Seller's signature                              Buyer's signature

-------------------------                       -------------------------
Witnessed by                                    Witnessed byINVESTMENT AGREEMENT
                              --------------------

                Made and entered into this 23d day of July, 2000

                                     BETWEEN

Sorbtech Ltd.
Address: P.O. Box 73, Migdal Haemek 10550, Israel
                                                              (The "Company")

                                      AND

EUROTECH Ltd.
Address: 1216 16th Street, NW, Washington, DC 20036
                                                              (The "Investor")

WHEREAS  the Company was formed according to the Agreement dated February 25,
         1998, and the Investor invested in the Company according to the above
         agreement (the "First Agreement"), and,

WHEREAS  the Company desires to receive an equity investment of 150,000 USD
         during the next months, and,

WHEREAS  the Investor desires to subscribe for additional ordinary and
         management shares of the Company and to make an equity investment in
         the Company, and,

WHEREAS  the Investor has received all of the information requested by it
         regarding the Company and all factual and legal information related
         thereto,

NOW THEREFORE THE PARTIES HAVE AGREED AS FOLLOWS:

1.       The preamble and exhibits to this agreement forms an integral part
         hereof.

2.       PAYMENT
         In exchange for the issuance to it of 250 ordinary shares and 250
         management shares of the Company, the Investor shall invest in the
         Company a total amount of $150,000 (one hundred and fifty thousand US
         dollars), in accordance with the following schedule:

         a)       $75,000 shall be paid by the Investor no later than August 10,
                  2000.
         b)       $75,000 shall be paid by the Investor no later than October
                  10, 2000.

         The said amounts will be transferred by the Investor from it's
non-resident bank account in Israel to the Israeli bank account of the Company,
or will be paid in USD according to the representative rate of the bank of
Israel of the payment date.

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3.       DIVISION OF SHARES AND ISSUANCE
         3.1      The Company's share capital at the time of the signing of this
                  agreement consists of 30,000 authorized ordinary shares par
                  value of 1.00 N.I.S each and 1000 management shares, of which
                  1000 shares were issued as follows:
                  a.  Dr. Yuli Gor        500 ordinary and 500 management shares
                  b.  EUROTECH Ltd.       400 ordinary and 400 management shares
                  c.  Employees           100 ordinary and 100 management shares
                      (are held by the trustee - Incubator Ofek LaOleh).

         3.2      125 management and 125 ordinary shares shall be issued to the
                  Investor upon the payment of the first installment and 125
                  management and 125 ordinary shares will be issued to the
                  Investor upon the payment of the second installment.
                  Immediately following the issuance of the shares to the
                  Investor, the Investor shall own 650 management and 650
                  ordinary shares of the Company.

4.       The Investor will be given the right to elect two members to the Board
         of Directors of the Company so long as the Investor hold at least 15%
         of the Company's shares. The Investor will be given the right to elect
         one member to the Board of Directors of the Company so long as the
         Investor hold at least 10% of the Company's management shares.

5        GENERAL
         5.1      This agreement shall be interpreted in accordance with, and
                  governed in all aspects by the laws of the state of Israel and
                  the competent courts in Haifa, shall have the exclusive
                  jurisdiction over all disputes arising between the parties
                  with respect to this agreement, its implementation or
                  interpretation.
         5.2      The failure or delay of either party to require the
                  performance of any term under this Agreement, or the waiver by
                  either party of any breach under this Agreement, shall not
                  prevent subsequent enforcement of such terms, nor be deemed a
                  waiver of any subsequent or prolonged breach.
         5.3      Any notice sent by one party to the other by registered mail
                  to the addresses heading the Agreement, or to addresses
                  provided by one party to the other from time to time will be
                  deemed to have been delivered on the 6th business day after
                  the day of mailing. Fax messages will be deemed to have been
                  delivered one business day after transmission.

6.       All of the provisions of the First Agreement shall apply mutatis
         mutandis to this agreement as if incorporated hereto.

IN WITNESS WHEREOF THE PARTIES HAVE SIGNED

     /s/                                          /s/ Don signature  President
     -----------------                            -------------------
       The Company                                  The Investor

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