Document:

EXHIBIT 4.52

                              THIRTEENTH AMENDMENT
                            TO THE FACILITY AGREEMENT

          Made and entered into on this 1st day of May 2006, by and between:

          (1)  TOWER SEMICONDUCTOR LTD. ("THE BORROWER")

          and

          (2)  BANK LEUMI LE-ISRAEL B.M. and BANK HAPOALIM B.M. ("THE BANKS")

WHEREAS:       the Borrower, on the one hand, and the Banks, on the other hand,
               are parties to a Facility Agreement dated January 18, 2001, as
               amended pursuant to a letter dated January 29, 2001, a Second
               Amendment dated January 10, 2002, a letter dated March 7, 2002, a
               letter dated April 29, 2002, a letter dated September 18, 2002,
               as amended on October 22, 2002, a letter dated June 10, 2003, a
               Seventh Amendment dated November 11, 2003, a letter dated January
               30, 2005, a Ninth Amendment dated July 24, 2005, a Tenth
               Amendment dated September 29, 2005, an Eleventh Amendment dated
               October 27, 2005 and a Twelfth Amendment dated November 30, 2005
               (the Facility Agreement, as amended as aforesaid, hereinafter
               "THE FACILITY AGREEMENT"); and

WHEREAS:       the Borrower has requested that the Banks postpone the Borrower's
               obligation to make certain repayments of principal pursuant to
               the Facility Agreement; and

WHEREAS:       following the Borrower's request, the Borrower and the Banks have
               agreed to amend the Facility Agreement in the manner set out
               below ("THIS THIRTEENTH AMENDMENT"),

<PAGE>

NOW, THEREFORE, IT IS HEREBY AGREED AS FOLLOWS:

1.   INTERPRETATION

     Unless the context specifies otherwise, terms and expressions defined in
     the Facility Agreement shall have the same meanings when used in this
     Thirteenth Amendment. References herein to clauses and paragraphs, are to
     clauses and paragraphs of the Facility Agreement.

2.   AMENDMENT

     The Facility Agreement is hereby amended as follows:

     2.1. In clause 1 (INTERPRETATION), paragraph (e) of clause 1.1.97 ("LOAN
          MATURITY DATE") shall be amended to read in its entirety as follows:

          "(e) each Interest Payment Loan, the first Business Day in July
               2007;".

     2.2. Clause 6.1 (REPAYMENT OF LOANS) shall be amended to read as follows:

          2.2.1. by adding the following to the end of the second paragraph of
               clause 6.1.1:

               "; provided that, the Borrower shall be permitted to pay the
               first and second quarterly principal instalments on the first
               Business Day in July 2007 rather than on March 31, 2007 and the
               last Business Day in June 2007, respectively. For the avoidance
               of doubt, all subsequent quarterly principal instalments shall
               continue to be due and payable by the Borrower in accordance with
               the repayment provisions set forth in this clause 6.1.1 above."

          and

          2.2.2. by adding the following to the end of clause 6.1.2:

               "provided that with respect to Advances made to the Borrower
               during the second Quarter of 2004 ("THE SECOND QUARTER 2004
               ADVANCES"), the Borrower shall be permitted to pay the first
               quarterly principal instalment on the first Business Day in July
               2007, rather than on the last Business Day in June 2007 and for
               the avoidance of doubt:

               (a)  all subsequent quarterly principal instalments shall
                    continue to be due and payable by the Borrower in accordance
                    with the repayment provisions set forth in this clause 6.1.2
                    above; and

                                     - 2 -
<PAGE>

               (b)  all Advances made to the Borrower as described in this
                    clause 6.1.2 above subsequent to the Second Quarter 2004
                    Advances shall continue to be due and payable by the
                    Borrower in accordance with the repayment provisions set
                    forth in this clause 6.1.2 above."

     2.3. Clause 11 (Commissions, Fees and Expenses) shall be amended as
          follows:

          2.3.1. Clause 11.1 shall be amended to read as follows:

               "11.1 THIRTEENTH AMENDMENT FEES

                    The Borrower shall pay to each of the Banks, in accordance
                    with, and on the dates set forth in, the fee letters between
                    the Borrower and the Banks ("THE THIRTEENTH AMENDMENT FEE
                    LETTERS"), the fees set out in the Thirteenth Amendment Fee
                    Letters."

3.   INTEREST PAYMENTS

     For the avoidance of doubt, all Interest on each Advance (including the
     Second Quarter 2004 Advances) and each Loan (including Interest Payment
     Loans) shall continue to be due and payable in accordance with clause 9.3.

4.   NINTH AMENDMENT WARRANTS

     This Thirteenth Amendment shall not derogate from Section 7 of the Ninth
     Amendment and does not constitute an agreement by the Banks to reschedule
     the repayment dates of the Interest Payment Loans as contemplated by the
     Warrants issued to each of the Banks on August 4, 2005 in connection with
     the Ninth Amendment and, as such, as of the date hereof, each of such
     Warrants is only exercisable with respect to 2,066,116 (two million and
     sixty-six thousand, one hundred and sixteen) Warrant Shares (as defined in
     such Warrants).

                                     - 3 -
<PAGE>

5.   FULL FORCE AND EFFECT OF FACILITY AGREEMENT

     The Facility Agreement is hereby amended as expressly set out in this
     Thirteenth Amendment above. This Thirteenth Amendment shall be read
     together with the Facility Agreement as one agreement and, save as
     expressly amended by this Thirteenth Amendment, the Facility Agreement
     shall remain unaltered and in full force and effect.

IN WITNESS WHEREOF, THE PARTIES HAVE SIGNED THIS THIRTEENTH AMENDMENT ON THE
DATE FIRST MENTIONED ABOVE.

for:   TOWER SEMICONDUCTOR LTD.

By:    ______________________________

Title: ______________________________

for:   BANK LEUMI LE-ISRAEL B.M.                  for:   BANK HAPOALIM B.M.

By:    ______________________________             By:    ______________________

Title: ______________________________             Title: ______________________

                                     - 4 -EXHIBIT 4.53

                              FOURTEENTH AMENDMENT
                            TO THE FACILITY AGREEMENT

          Made and entered into on this 30th day of May, 2006, by and between:

          (1)  TOWER SEMICONDUCTOR LTD. ("THE BORROWER")

          and

          (2)  BANK LEUMI LE-ISRAEL B.M. and BANK HAPOALIM B.M. ("THE BANKS")

WHEREAS:       the Borrower, on the one hand, and the Banks, on the other hand,
               are parties to a Facility Agreement dated January 18, 2001, as
               amended pursuant to a letter dated January 29, 2001, a Second
               Amendment dated January 10, 2002, a letter dated March 7, 2002, a
               letter dated April 29, 2002, a letter dated September 18, 2002,
               as amended on October 22, 2002, a letter dated June 10, 2003, a
               Seventh Amendment dated November 11, 2003, a letter dated January
               30, 2005, a Ninth Amendment dated July 24, 2005, a Tenth
               Amendment dated September 29, 2005, an Eleventh Amendment dated
               October 27, 2005, a Twelfth Amendment dated November 30, 2005 and
               a Thirteenth Amendment dated May 1, 2006 (the Facility Agreement,
               as amended as aforesaid, hereinafter "THE FACILITY AGREEMENT");
               and

WHEREAS:       following the Borrower's request, the Borrower and the Banks have
               agreed to amend the Facility Agreement in the manner set out
               below ("THIS FOURTEENTH AMENDMENT"),

NOW, THEREFORE, IT IS HEREBY AGREED AS FOLLOWS:

1.   The Facility Agreement is hereby amended by deleting the reference to "June
     30, 2006" in clause 16.27.2 and substituting therefor, "September 30,
     2006".

2.   The Facility Agreement is hereby amended as expressly set out in this
     Fourteenth Amendment above. This Fourteenth Amendment shall be read
     together with the Facility Agreement as one agreement and, save as
     expressly amended by this Fourteenth Amendment, the Facility Agreement
     shall remain unaltered and in full force and effect.

<PAGE>

IN WITNESS WHEREOF, THE PARTIES HAVE SIGNED THIS FOURTEENTH AMENDMENT ON THE
DATE FIRST MENTIONED ABOVE.

for:   TOWER SEMICONDUCTOR LTD.

By:    ______________________________

Title: ______________________________

for:   BANK LEUMI LE-ISRAEL B.M.                   for:   BANK HAPOALIM B.M.

By:    ______________________________              By:    ______________________

Title: ______________________________              Title: ______________________

                                     - 2 -FROM:  TOWER SEMICONDUCTOR LTD.
TO:    BANK HAPOALIM B.M. AND BANK LEUMI LE-ISRAEL B.M.
DATE:  JUNE 14, 2006

================================================================================

Dear Sirs,

We refer to the Facility Agreement dated January 18, 2001, as amended, made
between Bank Hapoalim B.M. and Bank Leumi Le-Israel B.M., on the one hand ("THE
BANKS") and Tower Semiconductor Ltd. ("THE BORROWER"), on the other hand ("THE
FACILITY AGREEMENT"). We confirm that this letter agreement is a Finance
Document and shall be deemed to be the Fifteenth Amendment to the Facility
Agreement.

We hereby confirm that, at the request of the Borrower, it has been agreed
between us as follows:

1.   Notwithstanding anything to the contrary in the Facility Agreement:

     1.1. All references to Equity Convertible Debentures in clause 1.1.118(j)
          may apply to Permitted Subordinated Debt issued by the Borrower in a
          proposed public offering in Israel only that may take place after the
          date hereof but no later than three months after the date hereof, in
          an aggregate principal amount not to exceed US $50,000,000 (fifty
          million US dollars) ("THE FIFTEENTH AMENDMENT SUBORDINATED DEBT").

     1.2. No principal, Interest or any other amount on account of the Fifteenth
          Amendment Subordinated Debt may be repayable or repaid by the Borrower
          prior to December 2011.

     1.3. The Fifteenth Amendment Subordinated Debt (net of discounts, but not
          net of commissions, fees and other issuance costs) may be taken into
          account towards the Borrower's obligations to raise funds pursuant to
          clause 16.27.2. The Borrower shall, within 10 (ten) days after each
          investment in the Fifteenth Amendment Subordinated Debt, submit to the
          Banks a certificate from the Auditors (such certificate to be in a
          form satisfactory to the Banks), confirming the amount of such
          Fifteenth Amendment Subordinated Debt actually received by the
          Borrower.

     1.4. Clause 1.1.118(e) shall not apply to the Fifteenth Amendment
          Subordinated Debt.

2.   For the removal of doubt, nothing herein shall derogate from clause
     1.1.118(a).

3.   Unless the context specifies otherwise, terms and expressions defined in
     the Facility Agreement shall have the same meanings when used in this
     letter agreement. References herein to clauses and paragraphs, are to
     clauses and paragraphs of the Facility Agreement. Except for the amendment
     specifically set forth herein, the Banks are not making any other
     amendments to any other provisions of the Facility Agreement or of any of
     the Schedules thereto. Save as expressly agreed to by the Banks in this
     letter agreement, the Facility Agreement and the Schedules thereto shall
     remain unaltered and in full force and effect.

                                Yours faithfully,

                            TOWER SEMICONDUCTOR LTD.

                           By: _______________________

We hereby confirm and agree to the above.

____________________                                __________________________
BANK HAPOALIM B.M.                                  BANK LEUMI LE-ISRAEL B.M.

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