Document:

EXHIBIT 4.34
                            SHARE TRANSFER AGREEMENT

     This SHARE TRANSFER AGREEMENT (this "AGREEMENT") made as of the ________th
day of April, 2005, by and among Healthcare Technologies Ltd. (the "SELLER") and
Gamida for Life, BV, a company incorporated under the laws of the Netherlands,
and having its registered offices at Drentestraat 24 BG 1083 HK Amsterdam, the
Netherlands (the "PURCHASER" and together with the Seller, to be collectively
referred to herein as the "PARTIES");

                              W I T N E S S E T H :

WHEREAS, the Seller wishes to sell six million two hundred and fifty five
thousand (6,255,000) Ordinary Shares (the "SHARES") in Procognia Ltd., a private
company registered in England, (the "COMPANY"), bearing a nominal value of 1
pence ((pound)0.01) per share, to the Purchaser on the terms and conditions more
fully set forth in this Agreement; and

WHEREAS, the Purchaser desires to purchase the Shares from the Seller pursuant
to the terms and conditions more fully set forth in this Agreement.

NOW, THEREFORE, in consideration of the mutual promises and covenants set forth
herein, the Parties hereto hereby agree as follows:

1.   SALE AND PURCHASE.

     1.1  SALE AND PURCHASE OF SHARES.

Subject to the terms and conditions hereof, the Seller shall sell, assign, and
transfer an aggregate amount of six million two hundred and fifty five thousand
(6,255,000) Ordinary Shares in the Company to the Purchaser, and the Purchaser
shall purchase and accept the assignment and transfer of the Shares from the
Seller, in consideration for an initial payment of ten thousand U.S. dollars
($10,000) (the "INITIAL PAYMENT") to be paid on the date hereof and the
Additional Payments (as defined herein).

     1.2  ADDITIONAL PAYMENT.

          1.2.1 Upon the occurrence of any of the following events, the
     Purchaser shall make one (1) additional payment to the Seller as set forth
     herein:

               1.2.1.1 In the event an asset purchase agreement (the "ASSET
          PURCHASE AGREEMENT") is executed by and among Immvarx, Inc.
          ("IMMVARX"), the Seller and the Purchaser, and Immvarx consummates a
          tender offer as contemplated therein (the "TENDER OFFER"), the
          Purchaser shall pay the Seller an additional four hundred twenty
          thousand U.S. dollars ($420,000) (the "TENDER OFFER PAYMENT).

               1.2.1.2 In the event the Asset Purchase Agreement with Immvarx is
          not executed or in the event it is executed but Immvarx's option to
          execute the Tender Offer expires before consummation thereof, the
          Purchaser will pay the Seller, upon the sale of the Shares, all
          amounts received in consideration therefore (the "POST-TENDER OFFER
          CONSIDERATION") equivalent to an amount no greater than $420,000,
          plus, if any, 30% of the remaining Post Tender-Offer Consideration
          (the "POST-TENDER OFFER PAYMENT").

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               1.2.1.3 Notwithstanding the above events, in the event:

                    (a) the Purchaser, within within one (1) year of the
               execution date of this Agreement, either sells the Shares, and/or
               executes a letter of intent with a potential purchaser of the
               Shares (the "SALE") AND

                    (b) the Sale occurs prior to the consummation of the Tender
               Offer,

               the Purchaser will pay the Seller, upon the sale of the Shares,
               all amounts received in consideration therefore (the "PRE-TENDER
               OFFER CONSIDERATION") up to $420,000, plus, if any, 80% of the
               remaining Pre-Tender Offer Consideration (the "PRE-TENDER OFFER
               PAYMENT").

          1.2.2 For the purposes of this Agreement, each of the Tender Offer
     Payment, the Post-Tender Offer Payment and the Pre-Tender Offer Payment,
     shall be severally referred to as an "ADDITIONAL PAYMENT".

          1.2.3. The Additional Payment, as the case may be, shall be made by
     wire transfer of immediately available funds to a bank account designated
     by the Seller.

2.   Execution of Agreement and Closing of Transfer and Purchase.

     2.1 SIGNING. This Agreement shall be executed by the all of the relevant
Parties, on the date first listed above.

     2.2 CLOSING. The sale, assignment, transfer and delivery of the Shares and
the purchase thereof by the Purchaser shall take place at a closing (the
"CLOSING") to be held at a time and place to be mutually agreed upon by the
Parties hereto.

     2.3 TRANSACTIONS AT CLOSING. At the Closing, the following transactions
shall occur, which transactions shall be deemed to take place simultaneously and
no transaction shall be deemed to have been completed or any document delivered
until all such transactions have been completed and all required documents
delivered:

          (a) Each of the Seller and the Purchaser, shall duly execute the
     requisite actions under applicable law to effect the transfer of title and
     registration of the Shares in the name of the Purchaser.

          (b) The Purchaser shall cause the Company to deliver to it a validly
     executed share certificate covering all of the Shares, issued in the name
     of the Purchaser.

          (c) a resolution of the Seller's shareholders approving the execution
     and performance of this Agreement and any ancillary document thereto (the
     "TRANSACTION DOCUMENTS") and the transfer of the Shares pursuant to the
     terms set forth herein.

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3.   REPRESENTATIONS AND WARRANTIES OF THE SELLER.

The Seller and the Company, as the case may be, hereby represent and warrant to
the Purchaser, and acknowledges that the Purchaser is entering into this
Agreement in reliance thereon, as follows:

     3.1 TITLE. The Seller is the sole lawful holder and owner, beneficially and
of record, of the Shares, and upon the consummation of the transactions at the
Closing, the Purchaser will acquire from the Seller, good and marketable title
to such Shares free and clear of all liens, charges, encumbrances, debt,
restrictions, rights, claims, calls and commitments of any kind.

     3.2 AUTHORITY AND ENFORCEABILITY. Pursuant to the approval of the Seller's
shareholders, the Seller has full and unrestricted legal right, power and
authority to enter into and perform all of its obligations under this Agreement,
and to sell and transfer the Shares to the Purchaser as provided herein. This
Agreement, when executed and delivered by the Seller, shall constitute the valid
and legally binding obligation of the Seller, legally enforceable against the
Seller in accordance with its terms.

4.   REPRESENTATIONS AND WARRANTIES OF THE PURCHASER.

     The Purchaser hereby represents and warrants to the Seller as follows:

     4.1 ENFORCEABILITY. This Agreement and the agreements to be executed by the
Purchaser under this Agreement, when executed and delivered by the Purchaser,
will constitute the valid, binding and enforceable obligations of the Purchaser.

     4.2 AUTHORIZATION. The execution, delivery and performance of the
obligations of the Purchaser hereunder have been duly authorized by all
necessary corporate action.

     4.3 SHARES ON AN "AS-IS" BASIS. The Parties hereby represent and warrant
that the sale and purchase of the Shares is being made on an "as-is" basis, and
it is further understood and agreed that, with the exception of the foregoing
express warranties and representations, no representation or warranty with
respect to the subject matter of this Agreement, is made by the Seller or the
Purchaser, and that no further representation or warranty of any kind is to be
implied, all representations and/or warranties implied by applicable law being
hereby expressly excluded to the maximum extent permitted by such law.

5.   MISCELLANEOUS

     5.1 FURTHER ASSURANCES. Each of the parties hereto shall perform such
further acts and execute such further documents as may reasonably be necessary
to carry out and give full effect to the provisions of this Agreement and the
intentions of the parties as reflected thereby.

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     5.2 GOVERNING LAW; ARBITRATION, JURISDICTION. This Agreement shall be
governed by, and construed according to, the laws of the State of Israel,
without regard to the conflict of laws provisions thereof. In the event of any
dispute between the parties in connection with this Agreement that cannot be
resolved amicably by and between the parties, such dispute shall be settled
exclusively and finally by a single arbitrator in Israel in accordance with
Israel's Arbitration Law.

     5.3 SUCCESSORS AND ASSIGNS; ASSIGNMENT. Except as otherwise expressly
limited herein, the provisions hereof shall inure to the benefit of, and be
binding upon, the successors, assigns, heirs, executors, and administrators of
the parties hereto. None of the rights, privileges, or obligations set forth in,
arising under, or created by this Agreement may be assigned or transferred
without the prior consent in writing of each party to this Agreement, with the
exception of assignments and transfers from the Purchaser to any other entity
which controls, is controlled by or is under common control with, such
Purchaser.

     5.4 ENTIRE AGREEMENT; AMENDMENT. This Agreement and any and all appendices,
exhibits and schedules attached hereto constitute the full and entire
understanding and agreement between the parties with regard to the subject
matters hereof and thereof, and shall supersede any prior agreement or
arrangement, whether written or oral. Any term of this Agreement may be amended
only with the written consent of both Parties to this Agreement.

                  if to the Purchaser:      Gamida-for-Life BV
                                            Drentestraat 24 BG
                                            1083 HK Amsterdam
                                            Netherlands
                                            Fax: [_________________]
                                            Attention: Chief Executive Officer

                  if to the Seller:         Healthcare Technologies Ltd.
                                            32 HaShaham Street
                                            Petach Tikva, Israel 49170
                                            Fax:+972-3-927-7228
                                            Attention: Chief Executive Officer

or such other address with respect to a party as such party shall notify each
other party in writing as above provided.

     5.5 COUNTERPARTS. This Agreement may be executed in any number of
counterparts, each of which shall be deemed an original and enforceable against
the parties actually executing such counterpart, and all of which together shall
constitute one and the same instrument.

     5.6 STAMP TAX. Purchaser shall bear any stamp tax due in connection with
this agreement.

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                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.]

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     IN WITNESS WHEREOF the parties have signed this Agreement as of the date
first hereinabove set forth:

HEALTHCARE TECHNOLOGIES LTD.      GAMIDA FOR LIFE, B.V.

BY:    _______________________    BY:    _______________________
NAME:  _______________________    NAME:  _______________________
TITLE: _______________________    TITLE: _______________________EXHIBIT 4.42

****CONFIDENTIAL PORTIONS OF THIS AGREEMENT HAVE BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

                                    AGREEMENT

This Foundry Agreement (the "Agreement") is entered into this 12 day of May,
2004 (the "Execution Date") among Siliconix incorporated, a Delaware, USA
corporation having its principal place of business at 2201 Laurelwood Road,
Santa Clara, CA 95054 USA ("Siliconix"), Siliconix Technology C.V., a
Netherlands limited partnership, having an office at 25 Tampines Street 92,
#02-00, Keppel Building, Singapore 528877 ("STCV"), and Tower Semiconductor
Limited, an Israeli company, having its principal place of business at Ramat
Gavriel Industrial Zone, PO Box 619, Midgal Haemek 23105, Israel ("Tower").

                                    RECITALS

     WHEREAS, Siliconix desires to license, on a non-exclusive basis, to Tower
the know-how for certain of its manufacturing processes and have certain
products it has designed manufactured by Tower solely for sale to STCV; and

     WHEREAS, upon the license of Siliconix's know-how, and subject to the other
terms of this Agreement, Tower will have the capability of manufacturing STCV's
products and has agreed to supply to STCV certain fabricated silicon wafers;

     THEREFORE, in consideration of the foregoing and covenants contained below,
the parties agree as follows:

Section 1. Definitions

          1.1 "Acceptance Criteria" shall mean the specifications for the
     Products manufactured by Tower set forth in Exhibit 1.1 and to be performed
     by Tower.

          1.2 "Affiliate" means an entity Controlling, Controlled by, or under
     common Control with, a party. "Control" means owning more than 50% of the
     equity of the entity.

          1.3 "Defect" shall mean a failure to conform to the Acceptance
     Criteria.

          1.4 "Die Yield" shall mean the percent of die on a Wafer which do not
     have Defects.

          1.5 "Epi Wafer" shall mean 150mm silicon "P" Channel or "N" Channel
     substrate with the appropriate epitaxial layer. Epitaxy is a process of
     producing a thin layer of single crystal material upon the surface of a
     single crystal substrate.

          1.6 "Fab 1" shall mean Tower's six-inch wafer fabrication facility
     located at its corporate headquarters in Migdal Haemek, including the
     parcel of land as set forth on Exhibit 1.6, and all equipment and other
     assets used now or in the future for operation of the facility or
     production of Products and other products.

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****CONFIDENTIAL PORTIONS OF THIS AGREEMENT HAVE BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

          1.7 "Fab Yield" shall mean the percent of Wafers used initially in the
     production process which result in containing, at the end of the production
     process, a Die Yield of at least ****.

          1.8 "Historical Yield" shall be Die Yield or Fab Yield, as applicable,
     based upon Siliconix historical data (by Product) of the latest six-months
     for the production of at least 1,000 wafers. Yield data for each Product
     shall be provided to Tower by Siliconix prior to the commencement of
     manufacturing and shall be updated on a quarterly basis during the term of
     this Agreement.

          1.9 "Product(s)" shall mean STCV's ****, which it requests Tower to
     manufacture, utilizing "Siliconix Process," at Fab 1 and provide in Wafer
     form with an average of **** photo mask steps.

          1.10 "Proprietary Information" shall mean information that the
     disclosing party considers to be proprietary and/or confidential, including
     but not limited to, trade secrets, discoveries, ideas, concepts, know-how,
     software, techniques, designs, specifications, drawings, diagrams, data,
     computer programs, business activities and operations, reports, studies,
     lists of customers, current and future business plans, financial
     information, other technical and business information, and Siliconix or
     STCV suppliers and vendors.

          1.11 "Qualification" shall mean the approval by Siliconix that Fab 1
     is qualified to produce Products in accordance with the criteria set forth
     in Exhibit 1.1.

          1.12 "Ramp-Up Period" shall mean the period commencing at the start of
     manufacture of a particular Product at Siliconix, and ending when a steady
     state of Fab Yield and Die Yield has been established for such product,
     taking into account that the ramp-up period will in the typical case
     decrease for follow-on products with comparable characteristics.

          1.13 "Ramp-Up Yield" shall be the Historical Yield of Siliconix (by
     Product) during the Ramp-up Period.

          1.14 "Release to Production" shall mean a written notice by Siliconix
     to Tower that the Product is production worthy using the applicable
     Siliconix Process and Tower Process.

          1.15 "Secured Creditors" shall mean Bank Hapoalim B.M,. Bank Leumi
     Le-Israel B.M. and the Investment Center of the Israel Ministry of Industry
     and Trade and any other creditors of Tower, which receive a security
     interest or a pledge of, Fab 1 (or any assets thereof) in the future, other
     than by operation of law or with respect to the purchase of equipment or
     materials which has not been fully paid for by Tower.

          1.16 "Siliconix Process" shall mean Siliconix's proprietary ****
     processes, all derivatives thereof and recipes, manufacturing, fabrication,
     test techniques, design rules and simulation models, and all related
     improvements and technical information required, in conjunction with the
     Tower Process, to manufacture a Product.

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          1.17 "Tower Process" shall mean Tower's proprietary processes and
     recipes, manufacturing, fabrication, assembly and test techniques, design
     rules and simulation models, and all related improvements to Tower's
     Process used by Tower and required, in conjunction with the Siliconix
     Process, to manufacture a Product.

          1.18 "Wafer(s)" shall mean 150mm single crystal silicon wafers
     containing the Products.

Section 2. Technology License.

     The parties shall license each other, but the licensee may not sublicense
to third parties, with all technical information that the other party reasonably
requires to develop Products based upon the Siliconix Process and the Tower
Process, as applicable including but not be limited to: (a) process flow
outline; (b) process parameter specifications; (c) electric parameter
specifications; (d) quality control monitor flow; (e) technical information
relating to improvements, enhancements and modifications made by such party
which reduce the cost and/or maintain the compatibility of the Siliconix Process
between Tower and Siliconix; and (f) other information as shall be mutually
agreed upon by both parties. Both parties shall allocate a team of experienced
professionals, as necessary, for the performance of their responsibilities
pursuant to the terms of the Agreement and assist the other party to achieve
process compatibility and reasonable expertise with respect to the Siliconix
Process. Such professionals shall be located at Fab 1 as agreed by the parties.

Section 3.  Wafer Capacity;  Manufacturing and Purchase Commitment.

          3.1 Manufacturing. Upon receipt of STCV's purchase orders, and
     following Siliconix's notices to Tower that Qualification and Release to
     Production have been met, Tower agrees to manufacture and sell Products,
     and STCV agrees to purchase such Products from Tower, subject to the
     Products passing the Acceptance Criteria, on the terms and conditions set
     forth herein. Siliconix will provide Tower with Epi Wafers free of charge
     and in quantities sufficient for Qualification and for Tower to meet the
     Monthly Minimum Wafer Purchase Requirement.

          Tower undertakes that it will not sell, transfer or provide the
     Products or Wafers, or any Proprietary Information included therein, to any
     entity other than STCV. This obligation shall survive any termination of
     this Agreement for any reason.

          3.2 Capacity and Purchase Commitment. Tower shall reserve for,
     allocate to, and manufacture for STCV during the Term (as defined below)
     the aggregate number of Wafers agreed between the parties (the "Full
     Agreement Amount"), and STCV hereby agrees to purchase the Full Agreement
     Amount at the prices set forth in Section 4, subject to STCV's right, set
     forth in Section 3.3, to reduce the number of Wafers purchased in any
     month, and further provided that the Products contained on the Wafers pass
     the Acceptance Criteria. Tower is to manufacture the Wafers, and STCV is to
     purchase the Wafers, according to the following timetable: during each of
     the one year periods set forth below Tower shall reserve for, allocate to,
     and manufacture for, STCV, and STCV shall purchase, the following number of
     Wafers (the "Monthly Minimum Wafer Purchase Requirement"), subject to
     STCV's right, set forth Section 3.3, to reduce the number of Wafers
     purchased in any month (provided that in any case STCV shall be obligated
     to purchase the Full Agreement Amount) and further provided that the
     Products contained on the Wafers pass the Acceptance Criteria: (a) ****
     Wafer outs during the initial twelve (12) month period following Release to
     Production, (b) **** Wafer outs per month during the twelve (12) month
     period thereafter, and (c) **** Wafer outs per month thereafter.

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****CONFIDENTIAL PORTIONS OF THIS AGREEMENT HAVE BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

          3.3 At any time following the third anniversary of the Release to
     Production, STCV may reduce, on one or more occasions, the Monthly Minimum
     Wafer Purchase Requirement by providing Tower with ****advance written
     notice of such reduction (for clarity, the notice may be given by Siliconix
     ****. In such case, Tower shall only be required to reserve for and
     allocate the reduced Monthly Minimum Wafer Purchase Requirement to
     Siliconix (the "Monthly Reduced Level"), and further provided however, that
     Siliconix shall in any case be obligated to purchase the Full Agreement
     Amount. Tower shall use its best efforts to mitigate the effect of such
     reduction on Fab 1 manufacturing volume.

     Notwithstanding the foregoing, if Siliconix shall have reduced the Monthly
Minimum Wafer Purchase Requirement to a Monthly Reduced Level, it shall be
entitled to provide Tower with 90 days prior written notice of its desire to
increase its level of purchase of Wafers from the Monthly Reduced Level
(provided that such request shall not require Tower to produce more than ****
wafer outs per month) (the "Monthly Increased Level Capacity"). Notwithstanding
anything else in this Agreement (including statements that Siliconix is
obligated to purchase the Full Agreement Amount), if Tower is unable or
unwilling to provide such Monthly Increased Level Capacity at any time after the
end of such 90 day period, Siliconix's obligation to purchase the Full Agreement
Amount shall be reduced by the difference between the total Monthly Increased
Level Capacity and the total number of wafer outs provided by Tower during the
period which Tower is unable or unwilling to provide the Monthly Increased Level
Capacity to STCV. To the extent the Full Agreement Amount was adjusted pursuant
to this paragraph, Tower shall credit STCV with the Adjusted Prepayment Credit
for each wafer delivered in the future such that the Prepayment shall be fully
returned to STCV during the Term. The "Adjusted Prepayment Credit" shall be
calculated as follows: the remainder of the Prepayment divided by a number equal
to the Full Agreement Amount minus the sum of the total quantity of Wafers
previously delivered and the cumulative quantity not reestablished.

Section 4. Prices, Payments and Taxes.

          4.1 PRICE. The price for Wafers is as agreed to between the parties
     (the "Per Wafer Price"); provided, however, that in the event the Monthly
     Minimum Wafer Purchase Requirement is reduced in accordance with the
     procedure set forth in Section 3.3, the price for Wafers shall thereafter
     be increased to cover Tower's costs relating to the decrease in the Monthly
     Minimum Wafer Purchase Requirement which, despite Tower's best efforts,
     cannot be reduced on a going forward basis as a result of such reduction.
     The determination of whether such costs, if any, can be reduced will be
     made on an objective basis by an independent third party agreeable to the
     parties. Such increased price shall be Tower's sole and exclusive damages
     for a reduction in the Monthly Minimum Wafer Purchase Requirement provided,
     however, that Siliconix shall still be obligated to purchase the Full
     Agreement Amount as may be reduced pursuant to the second paragraph of
     Section 3.3. Tower shall provide any documentation that STCV reasonably
     requests to support such increased costs and to demonstrate Tower's efforts
     to reduce costs as the result of the reduced demand.

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****CONFIDENTIAL PORTIONS OF THIS AGREEMENT HAVE BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

          4.2 EPI WAFERS. The Per Wafer Price takes into account the fact that
     Siliconix will consign the necessary Epi Wafers to Tower, free of charge.
     Should Tower's Fab Yield be less than **** of the Historical Yield (or the
     Ramp Up Yield during the Ramp-up Period), then STCV shall supply the
     additional Epi Wafers required at a price of **** per Epi Wafer. Should
     Tower's Fab Yield exceed the Historical Yield (or the Ramp Up Yield during
     the Ramp-up Period), then STCV shall grant Tower a credit in the amount of
     **** for each Epi Wafer not required. Unless otherwise agreed in writing,
     the price for Wafers shall be as stated in this Agreement for the Products
     involved.

          4.3 DIE YIELD. Die Yield shall be based upon Historical Yield or Tower
     Yield by product. For mature products, the Die Yield shall be determined
     based upon Tower's average Die Yield for the previous twelve (12) months
     (the "Tower Yield") or the Historical Yield, whichever is greater. For
     pricing purposes during the Ramp-Up Period no price adjustment will be made
     for Wafers with Die Yield above ****. During the Ramp-Up period, Wafers
     with Die Yield below **** may be shipped and invoiced to Siliconix but only
     with Siliconix prior approval. After the Ramp-Up Period, in the event the
     Die Yield is within a **** deviation of the higher of Historical Yield or
     the Tower Yield (the "Base Yield"), the Price Per Wafer will remain
     unchanged. For Products with an average Die Yield above or below the Base
     Yield plus or minus ****, the price will be adjusted proportionally to the
     variation. For pricing purposes Wafer pricing adjustments for Die Yield
     shall be determined on a regular basis but not less than twice per year. In
     the event the price is adjusted, a new calculation will be made as
     aforesaid, no more than 3 months later. Siliconix will not accept wafers
     with less than **** Die Yield.

          4.4 PREPAYMENT. STCV agrees to prepay Tower twenty million United
     States dollars (US$20,000,000) (the "Prepayment"). This amount, shall be
     due and payable within 30 days from the Execution Date or upon receipt of
     consents of the Secured Creditors required by Section 5.1 hereunder, which
     ever is later. STCV shall only be obligated to pay the Prepayment amount
     when it has received copies of all consents of the Secured Creditors.
     Subject to receipt of consent from the Secured Creditors, Tower shall
     maintain the Prepayment in a separate bank account (the "Prepayment Bank
     Account"), may only use the Prepayment to purchase Equipment and pay for
     other expenses in connection with Tower's performance of this Agreement and
     Tower shall pledge that bank account to STCV to secure Tower's obligations
     to purchase the Equipment hereunder. This pledge shall be registered in
     accordance with the documents attached hereto in Exhibit 4.4 and shall
     terminate when Fab 1 reaches capacity to produce for STCV **** Wafer starts
     per month and any remaining amounts will belong to Tower and shall not be
     subject to any restrictions. In consideration of the Prepayment, Tower
     shall credit Siliconix the amount agreed to between the parties (the
     "Prepayment Credit") towards the payment of each of the Wafers of the Full
     Agreement Amount.

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          4.5 PAYMENT TERMS. All payments shall be in United States dollars.
     Invoices shall be sent to STCV at the address shown above no earlier than
     delivery (Ex Works Fab 1 as set forth in Exhibit 8) of the Products.
     Payments are due in full within 30 days after the end of the month in which
     the invoice is issued. Payment does not constitute Wafer Acceptance.
     Invoices shall be sent to STCV for (i) payment for Products delivered and
     during the first 36 months of the Agreement, the difference between the
     applicable Monthly Minimum Wafer Requirement and the Products ordered by
     STCV for each month (as set forth in Exhibit 8), to the extent lower than
     the applicable Monthly Minimum Wafer Requirement, and (ii) if applicable,
     any additional amounts that STCV is required to pay Tower, inter alia, due
     to Tower's increased costs which Tower, despite its best efforts, cannot
     reduce, if STCV fails to purchase the greater of (a) the Monthly Minimum
     Wafer Purchase Requirement and (b) the number of Wafers which it has
     committed to for the following 3-month period pursuant to Section 2 of
     Exhibit 8. The above minimum quantities of Wafers to be purchased shall be
     reduced for any Products that fail to meet the Warranty, or during the
     period in which the defects are being investigated pursuant to Section 8 of
     Exhibit 8, and Tower was unable to supply adequate replacement Products
     that meet the Warranty.

          4.6 TAXES. Any tax burden (except on a party's taxable income and as
     set forth below) with respect to the sale of the Products shall be split
     equally between the parties. STCV undertakes that all Products will be
     shipped outside of Israel and, upon request, will deliver all necessary
     documentation in connection therewith to Tower. To the extent that any
     Products are not shipped outside of Israel, the prices set forth herein are
     non-inclusive of Israeli Value Added Tax, and any applicable Value Added
     Tax will be borne solely by STCV.

Section 5. Order and No-Sale of Equipment.

          5.1 EQUIPMENT ORDER. Upon receipt of the Prepayment and in order to
     reach the Fab 1 wafer fabrication capacity required to meet the Monthly
     Minimum Wafer Purchase Requirement as set forth in Section 3.2, Tower shall
     place purchase orders for the equipment (the "Equipment") set forth in
     Exhibit 5.1 attached hereto as soon as reasonably practicable, shall
     prepare Fab 1 to accept and connect the Equipment to utilities and install
     it appropriately, and shall diligently follow up with Equipment vendors to
     receive and install the Equipment so that it may produce the Products
     according to the timetable specified herein. The Equipment shall be pledged
     to STCV as a first lien in accordance with the documents attached hereto as
     Exhibit 4.4 to secure Tower's obligations under this Agreement, shall be
     marked accordingly, and the Secured Creditors shall consent that the pledge
     in the Equipment and Prepayment Bank Account is superior to their charges
     which they now have or may in the future have on the Equipment and
     Prepayment Bank Account. Under no circumstances may Tower provide a pledge
     on the Equipment or Prepayment Bank Account that is superior or equal to
     the pledge to STCV. This Agreement shall become effective and STCV's
     obligations shall only commence when it has received written consents to
     the pledge and the rights of first refusal set forth in Section 7 below
     from all of Tower's Secured Creditors. Tower agrees to use its best efforts
     to obtain the consents within 10 business days of the Execution Date.

          5.2 EQUIPMENT NO-SALE. During the term of the Agreement, Tower shall
     not sell or rent the Equipment without the prior written consent of STCV,
     which may be given or withheld in STCV's sole discretion. No sale of the
     Equipment shall relieve Tower of any of its obligations hereunder.

          5.3 MAINTENANCE. Tower agrees that it will maintain the Equipment in
     good working order, in accordance with manufacturer instructions.

          5.4 INSURANCE. Tower agrees that it will insure the Equipment for its
     full replacement value throughout the Term of the Agreement.

                                       6
<PAGE>

Section 6. Term and Termination.

          6.1 TERM. This Agreement shall remain in full force and effect until
     the first to occur of (i) ten (10) years from Release to Production (the
     "Term") or (ii) STCV has received and paid for the Full Agreement Amount,
     unless earlier terminated in accordance with this Section 6. During the
     final year of the initial term of this Agreement, if not terminated
     previously and assuming no material breach by either party, the parties
     shall negotiate in good faith an agreement for the purchase of additional
     Wafers which shall be based on the principles set forth in this Agreement
     (the "Follow-On Agreement").

          6.2 TERMINATION FOR BREACH. If either party breaches any material term
     or condition of this Agreement and following receipt of written notice of
     the breach from the other party fails to cure such breach within thirty
     (30) days, or sixty (60) days in the event such breach reasonably requires
     more than (30) days to correct (specifically excluding any breach of an
     obligation to pay money), provided the breaching party begins substantial
     corrective action to remedy such breach and diligently pursues such action
     after receiving notice of the breach, in addition to any other remedy
     available to it by law, the other party shall have the right to terminate
     this Agreement, on a written notice, at any time after the end of such
     thirty (30) or sixty (60) day period, as applicable.

          6.3 TERMINATION FOR INSOLVENCY. If either party becomes the subject of
     a voluntary or involuntary petition in bankruptcy or of any proceeding
     relating to insolvency, receivership, liquidation, or assignment for the
     benefit of creditors, if that petition or proceeding is not dismissed with
     prejudice within thirty (30) days after filing, the other party may
     terminate this Agreement on thirty (30) days' written notice.

          6.4 TERMINATION FOR CONVENIENCE.

          6.4.1 Tower may in its sole and absolute discretion, at any time after
     the second anniversary of the Release to Production, give notice of
     termination of this Agreement for convenience (the "Termination Notice").
     The termination date shall be twelve (12) months from the date of the
     Termination Notice (the "Termination Effective Date").

          6.4.2 If Tower terminates this Agreement for convenience, then
     concurrently with the Termination Notice described in sub-Section 6.4.1,
     Tower shall grant to Siliconix the right (which may be exercised by an
     Affiliate of Siliconix) to (a) sublease the land and attached buildings
     described on Exhibit 1.6 (collectively, the "LAND") for a period of up to
     24 (twenty-four) years, but in any event only until October 29, 2032, at an
     annual rent, paid quarterly, which shall reflect the book value (according
     to the most recent balance sheet audited by the Sublessor's external
     auditors) and (b) purchase from Tower the assets of Fab 1 (described in
     Exhibit 6.4)) and all equipment and other assets used for the operation of
     Fab 1 or the production of Products (the Land and other assets set forth
     above shall be referred to herein as the "FAB 1 ASSETS") "as is", free and
     clear of all encumbrances, liabilities, contracts and obligations of any
     kind, for the then-current book value (excluding the Equipment, which is
     transferred to Siliconix automatically pursuant to Section 6.6). Siliconix
     shall have ninety (90) days from the date of the grant of the right to
     elect to purchase and sub-lease the Fab 1 Assets. In the event that
     Siliconix elects to exercise such right, Tower shall use its best efforts
     to obtain all necessary consents and approvals for the purchase and
     sub-lease of the Fab 1 Assets within 30 days from Siliconix's election to
     purchase and sub-lease the Fab 1 Assets, and such transaction will be
     consummated during the thirty (30) days immediately following the
     Termination Effective Date. Tower agrees to use its best efforts to obtain
     the consents of the Secured Creditors to this provision within 10 business
     days of the Execution Date, and the parties understand that Siliconix has
     no obligations under this Agreement until such consents are obtained. Tower
     may not grant future security interests in the Fab 1 Assets until Tower
     delivers to Siliconix the written consent of such future Secured Creditor
     to the provisions of this Section. Any sale, transfer, lease or other
     disposition of the Fab 1 Assets will be subject to Siliconix's rights
     therein. The provision is in addition to any rights of first refusal which
     Siliconix holds under Section 7 hereof.

                                       7
<PAGE>

          6.5 PLEDGE OF EQUIPMENT AND PREPAYMENT BANK ACCOUNT. Tower hereby
     represents and warrants to Siliconix and STCV that the Secured Creditors
     are its only secured creditors for Fab 1. In order to secure Tower's
     compliance with the terms of this Agreement, Tower hereby grants to STCV a
     specific lien security interest in all of the Equipment and the Prepayment
     Bank Account. The consents of the Secured Creditors will be attached
     hereto. The security interest in the Prepayment Bank Account will terminate
     pursuant to Section 4.4. Tower agrees to record the pledge on the Equipment
     and to send Siliconix and STCV a copy of the registration thereof at the
     Companies Registrar within 14 days of the first date which by law a pledge
     on the Equipment and Prepayment Bank Account may be registered. STCV may
     exercise its security interest in the event of its termination of this
     Agreement in accordance with the terms of Sections 6.2 or 6.3, and shall
     have priority over any other creditor, including without limitation the
     Secured Creditors. Upon the execution hereof, Tower shall provide an
     opinion of its Israeli counsel to this effect. For the purposes of clarity,
     Siliconix and STCV are aware that Tower has granted to Bank Hapoalim B.M.
     and Bank Leumi Le-Israel B.M. a first ranking floating charge and has
     granted the State of Israel a second ranking floating charge, inter alia,
     over the Equipment, as well as over the proceeds of any sale, realization
     or any other disposition of the Equipment, and Tower represents that such
     Secured Creditors are or will be, promptly following the Execution Date,
     fully aware of this Agreement and its terms. Tower may not grant future
     security interests in the Equipment until Tower delivers to Siliconix and
     STCV the written consent of such future Secured Creditor to the provisions
     of this Section.

          6.6 RETURN OF INFORMATION AND EQUIPMENT.

          6.6.1 Upon expiration or termination of this Agreement for any reason,
     (i) Tower shall immediately return all copies of Siliconix's Proprietary
     Information, as certified by Tower's Fab 1 management member.

          6.6.2 Tower will transfer ownership of the Equipment to Siliconix, in
     the event:

               (a) Siliconix has purchased the Full Agreement Amount as such
               amount may be reduced pursuant to the second paragraph of Section
               3.3., and, notwithstanding their good faith efforts to do so, the
               parties are not able to successfully negotiate the Follow-On
               Agreement;

               (b) Tower terminates the Agreement for convenience under Section
               6.4;

               (c) Siliconix terminates the Agreement due to Tower's breach
               pursuant to Section 6.2; or

                                       8
<PAGE>
****CONFIDENTIAL PORTIONS OF THIS AGREEMENT HAVE BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

               (d) Siliconix terminates the Agreement under Section 6.3.

          6.6.3 Tower shall assist STCV in the de-installation and removal of
     the Equipment from Fab 1. STCV shall bear the costs of the de-installation
     and removal of the Equipment from Fab 1 upon expiration of this Agreement.
     If Tower terminates prematurely for breach by STCV, STCV shall be
     responsible for cost of de-installation and removal of equipment. Tower
     shall bear the costs of the de-installation and removal of the Equipment
     from Fab 1 if Tower terminates this Agreement prematurely for convenience
     or if Siliconix or STCV terminates prematurely for Tower's breach or
     insolvency.

          6.7 EFFECT OF TERMINATION. All amounts due under this Agreement prior
     to its termination or expiration shall be due, payable and paid in
     accordance with the terms and conditions of this Agreement, notwithstanding
     any termination or expiration of this Agreement. In addition, in the event
     that Siliconix or STCV terminates this Agreement, Siliconix shall also be
     required to pay for any Products ordered by STCV for which Tower has
     commenced production in accordance with an accepted purchase order prior to
     the termination of the Agreement, provided that Tower timely delivers such
     Products to STCV. In the event that Tower terminates this Agreement, then
     in addition to and without waiving any other remedy, Tower shall be
     entitled to payment in full upon timely delivery of all completed Products
     manufactured on behalf of STCV pursuant to its purchase orders.

          6.8 SURVIVAL OF PROVISIONS. The rights and obligations of the parties
     pursuant to Sections 4 (Prices, Payments and Taxes), 6.4 (Termination for
     Convenience), 6.5 (Pledge of Equipment and Prepayment Bank Account), 6.6
     (Return of Equipment), 6.7 (Effect of Termination), 7 (Fab 1 Right of First
     Refusal), and 8 (Additional Terms and Conditions) of this Agreement and
     Sections 7 (Proprietary Information), 8 (Warranty), 9 (Limitation of
     Liability), 10.1 (Governing Law and Venue), and 10.8 (No Solicitation) of
     Exhibit 8 shall survive the termination of this Agreement.

Section 7. Fab 1 Right of First Refusal.

     Subject to Section 5.2, in the event that Tower receives a bona fide
proposal with respect to a sale, lease, sublease, transfer or other disposition
of all or any of the assets (including without limitation the land or the rights
therein, facility or equipment used for operation of the facility or production
of products or portions thereof) of Fab 1 (a "Sale"), Tower will notify
Siliconix of the fact that such proposal has been received, which notice shall
be delivered to Siliconix within three days and will include a copy of the terms
of the proposed Sale (the "Proposed Sale Notice"). Siliconix, or an Affiliate of
Siliconix, will have a right of first refusal to execute the Sale on the same
terms and conditions as contained in the Proposed Sale Notice (less amounts for
the Equipment) and will have a period of the greater of (a) **** days following
the date the Proposed Sale Notice was sent to Siliconix and (b) **** after the
production by Tower of all documents reasonably requested under Siliconix's due
diligence request in respect of said transaction, if said request is given by
Siliconix to Tower within five (5) business days after receipt by Siliconix of
the Proposed Sale Notice (such period to be referred to as the "Exercise
Period"), to notify Tower that it elects to exercise the right of first refusal
(the "Exercise Notice"). During the Exercise Period, Tower must provide
Siliconix full access to all of its documents, facilities and personnel as
requested, subject to standard confidentiality undertakings and during normal
local business hours. Tower agrees not to enter into a binding agreement, or to
have any discussions with any third party other than the party that made the
proposal, during the Exercise Period. In the event Siliconix or an Affiliate
provides Tower with an Exercise Notice during the Exercise Period, Tower will
use its best effort to consummate the Sale in accordance with the terms of the
Proposed Sale Notice (less amounts for the Equipment) within **** days from the
date of the Exercise Notice, subject only to further governmental approvals and
permits, which approvals and permits the parties shall use their good faith
efforts to obtain. Tower shall give Siliconix its full cooperation in the due
diligence process and in such other matters in respect of the Sale in order to
allow Siliconix the full benefit of its First Refusal Right hereunder. In the
event Siliconix does not provide Tower with an Exercise Notice during the
Exercise Period, then Tower will thereafter be free to enter into a definitive
agreement with the potential buyer at its sole discretion on the terms and
conditions specified in the Proposed Sale Notice (the "Alternative Sale"),
subject to any changes which are less advantageous to the third party. If the
buyer is a bona fide competitor of Siliconix then in such event Siliconix may
give notice of termination of this Agreement in its sole discretion without
recourse or penalty on a date specified, no less than 30 days from the date of
notice to Tower. Should no Alternative Sale be consummated within **** days
after the end of the Exercise Period, the first refusal right under this Section
shall be reinstated and the terms of this Section shall commence as if no
Proposed Sale Notice shall have been given.

                                       9
<PAGE>
****CONFIDENTIAL PORTIONS OF THIS AGREEMENT HAVE BEEN OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

No change of ownership in Fab 1 shall be deemed to excuse Tower and its
successor in interest to Fab 1 from supplying Wafers to STCV pursuant hereto and
otherwise complying with the terms and conditions hereof.

Tower agrees that it will obtain and attach hereto, within **** days hereof, the
consent of all current Secured Creditors in the form attached hereto as Exhibit
7 to honor the above right of first refusal in the event of any bankruptcy,
insolvency, receivership or any other realization of their security interest and
that it may not grant any future security interests unless it obtains the
consent of such future potential secured creditors. The parties agree to make
this right of first refusal known, as shall be reasonably requested by
Siliconix.

Section 8. Additional Terms and Conditions.

     Additional terms and conditions of this Agreement shall be as set forth in
Exhibit 8 and the other Exhibits attached hereto.

                                      10
<PAGE>

Section 9. Guaranty.

     Siliconix hereby unconditionally and irrevocably guarantees STCV's
performance of its obligations under this Agreement and any other agreement
between Tower and STCV, in strict accordance with their respective terms.

     IN WITNESS WHEREOF the parties hereto have caused this Agreement to be duly
executed in duplicate on their behalf by their duly authorized officers and
representatives on the date given above.

Tower Semiconductor Ltd.        Siliconix incorporated

By: ____________________        By: _____________________
Title: ___________________      Title: ___________________,
                                subject to approval by Siliconix incorporated
                                Board of Directors

Siliconix Technology C.V.

By: Siliconix Semiconductor, Inc.,
         General Partner
       By: __________________________
       Title: ________________________

                                      11

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