ZILOG INC
8-K, 1997-11-20
SEMICONDUCTORS & RELATED DEVICES
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934



                        Date of Report: November 19, 1997



                                   ZILOG, INC.
               --------------------------------------------------
             (Exact name of registrant as specified in its charter)



         California                    0-18738                 13-3092996
- ----------------------------    --------------------    ------------------------
(State or Other Jurisdiction         (Commission            (I.R.S. Employer
      of Incorporation)              File Number)         Identification Number)



      210 East Hacienda Avenue, Campbell, CA                      95008
     ----------------------------------------                   ----------
     (Address of principal executive offices)                   (Zip Code)



                                 (408) 370-8000
                         -------------------------------
                         (Registrant's telephone number,
                              including area code)


<PAGE>


Item 5.  Other Events.
         ------------

         Zilog, Inc. ("Zilog"), TPG Partners II, L.P. ("TPG") and TPG Zeus
Acquisition Corporation ("Merger Sub") have entered into Amendment Number One to
the Agreement and Plan of Merger dated as of November 18, 1997 (the
"Amendment"), amending the Agreement and Plan of Merger dated as of July 20,
1997 (the "Merger Agreement"), pursuant to which TPG agreed to acquire
substantially all of the common stock, par value $0.01 per share (the "Common
Stock"), of Zilog (the "Merger"). The Amendment is filed herewith as Exhibit 2.1
and is incorporated by reference herein.

         The Amendment, among other things, reduces the per share cash merger
consideration from $25.00 per share to $20.00 per share, expands Zilog's ability
to negotiate with unsolicited third parties regarding competing takeover
proposals, eliminates TPG's ability to terminate the Merger Agreement based on
any material adverse change in Zilog's business and extends the date by which
the Merger must be consummated to February 28, 1998. Zilog has issued a press
release, which is filed herewith as Exhibit 99.1, announcing the execution of
the Amendment and describing the principal terms thereof.

         Additionally, the Stockholders Voting Agreement dated as of July 20,
1997 between TPG, on the one hand, and Warburg, Pincus Capital Company, L.P.
("Warburg") and Warburg, Pincus & Co., on the other hand, was amended as of
November 18, 1997 (the "Amended Voting Agreement"). The Amended Voting
Agreement, among other things, reduces to 375,000 the number of shares of Common
Stock which Warburg must elect to retain as equity in the surviving corporation
and provides that such number shall be reduced on an absolute basis by the
number of shares of Common Stock which other stockholders of Zilog elect to so
retain. In the event that stockholders of Zilog other than Warburg elect to
retain more than 375,000 shares of Common Stock in the aggregate, Warburg will
not be required to retain any shares and such stockholders will experience
proration. The Amended Voting Agreement is filed herewith as Exhibit 4.1 and is
incorporated by reference herein.


Item 7.  Financial Statements and Exhibits.
         ---------------------------------

         (a)  Exhibits.

              2.1   Amendment Number One to the Agreement and Plan of Merger,
                    dated as of November 18, 1997, by and between TPG Partners
                    II, L.P., TPG Zeus Acquisition Corporation and Zilog, Inc.

              4.1   Letter Agreement, dated as of November 18, 1997, by and
                    among TPG Partners II, L.P., Warburg, Pincus Capital
                    Company, L.P., Warburg, Pincus & Co. and Zilog, Inc.

              99.1  Press Release dated November 19, 1997.


                                       -2-


<PAGE>


                                    SIGNATURE


         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

         Dated:  November 19, 1997

                                        ZILOG, INC.



                                        By        /s/ Richard R. Pickard
                                          --------------------------------------
                                              Vice President, General Counsel
                                                       and Secretary


                                       -3-


<PAGE>


                                  EXHIBIT INDEX
                                  -------------


      Exhibit No.                      Description
      -----------                      -----------

          2.1             Amendment Number One to the Agreement
                          and Plan of Merger, dated as of November 18,
                          1997, by and between TPG Partners II, L.P.,
                          TPG Zeus Acquisition Corporation and Zilog,
                          Inc.


          4.1             Letter Agreement, dated as of November 18,
                          1997, by and among TPG Partners II, L.P.,
                          Warburg, Pincus Capital Company, L.P.,
                          Warburg, Pincus & Co. and Zilog, Inc.


         99.1             Press Release dated November 19, 1997.



                                       -4-



                           AMENDMENT NUMBER ONE TO THE
                           ---------------------------
                          AGREEMENT AND PLAN OF MERGER
                          ----------------------------


         THIS AMENDMENT NUMBER ONE TO THE AGREEMENT AND PLAN OF MERGER (this
"AMENDMENT"), dated as of November 18, 1997, by and between TPG PARTNERS II,
L.P., a Delaware limited partnership ("PARENT"), TPG ZEUS ACQUISITION
CORPORATION, a Delaware corporation ("SUB") and ZILOG, INC., a Delaware
corporation (the "COMPANY"),

                              W I T N E S S E T H:

         WHEREAS, Parent and the Company are parties to that certain Agreement
and Plan of Merger (the "MERGER AGREEMENT"), dated as of July 20, 1997; and

         WHEREAS, pursuant to Section 8.3 of the Merger Agreement, the parties
hereto wish to amend the Merger Agreement as provided herein:

         NOW, THEREFORE, in consideration of the premises and the
representations, warranties, covenants and agreements herein contained, the
parties hereto hereby agree as follows:

         SECTION 1. Definitions. Capitalized terms used but not defined herein
                    -----------
shall the meanings set forth in the Merger Agreement.

         SECTION 2.  Amendments to the Merger Agreement.
                     ----------------------------------

         SECTION 2.1. The Preamble to the Merger Agreement shall be amended and
restated in its entirety, and shall be replaced by the following:

         "AGREEMENT AND PLAN OF MERGER, dated as of July 20, 1997 (as amended by
         Amendment Number One, dated November 18, 1997, this "Agreement"),
         between TPG PARTNERS II, L.P., a Delaware limited partnership
                 ---------------------
         ("Parent"), and ZILOG, INC., a Delaware corporation (the "Company"),"
                         -----------

         SECTION 2.2. Section 1.5(a) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                  "(a) The Certificate of Incorporation of the Company, as in
         effect immediately prior to the Effective Time, shall be amended as of
         the Effective Time so that Article IV of such Certificate of
         Incorporation is amended to read in its entirety as follows:

         FOURTH: The Corporation shall be authorized to issue 10,000,000 shares
         of common stock and 5,000,000 shares of preferred stock. There shall be
         two classes of common stock of the Corporation. The first class of
         common stock of the Corporation shall have a par value of $0.01 and
         shall be designated "Common Stock" and the number of shares

<PAGE>

         constituting such class shall be 4,000,000. The second class of stock
         of the Corporation shall have a par value of $0.01 and shall be
         designated "Class A Non-Voting Common Stock" and the number of shares
         constituting such class shall be 6,000,000. Holders of shares of Common
         Stock shall be entitled to one vote for each share of such stock held
         on all matters as to which stockholders may be entitled to vote
         pursuant to the Delaware General Corporation Law. Holders of shares of
         Class A Non-Voting Common Stock shall not have any voting rights,
         except that the holders of shares of Class A Non-Voting Common Stock
         shall have the right to vote as a class to the extent required by the
         Delaware General Corporation Law. In all other respects the rights,
         powers, preferences and limitations of the Common Stock and Class A
         Non-Voting Common Stock shall be identical. The preferred stock shall
         have a par value of $100.00 and the board of directors may authorize
         the issuance from time to time of the preferred stock in one or more
         classes and/or series and with such powers, designations, preferences,
         rights and qualifications, limitations or restrictions (which may
         differ with respect to each such class and/or series) as the board may
         fix by resolution."

         "As so amended, such Certificate of Incorporation shall be the
         Certificate of Incorporation of the Surviving Corporation until
         thereafter changed or amended as provided therein or by applicable
         law."

         SECTION 2.3. Section 2.1(a) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                  "(a) Conversion (or Retention) of Shares. Except as otherwise
                       -----------------------------------
         provided herein and subject to Section 2.1(d), each Share issued and
         outstanding immediately prior to the Effective Time, other than Shares
         to be canceled pursuant to Section 2.1(b) ("Excluded Shares") and any
         Dissenting Shares, shall be converted into the following (the "Merger
         Consideration"):

                           (i) for each Share with respect to which an election
                  to retain pursuant to Section 2.1(c) has been effectively
                  made, and not revoked or lost ("Electing Shares"), the right
                  to retain one fully paid and nonassessable Share (a "Non-Cash
                  Election Share"); and

                           (ii) for each Share (other than Electing Shares), the
                  right to receive in cash from the Company following the Merger
                  an amount equal to $20.00 (the "Cash Election Price")."

                                      -2-

<PAGE>


         SECTION 2.4. Section 2.1(d)(i) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                           "(i) Notwithstanding anything in this Agreement to
                  the contrary (but subject to the provisions of Section 2.4),
                  the aggregate number of Shares to be converted into the right
                  to retain Shares at the Effective Time (the "Non-Cash Election
                  Number") shall equal 375,000 Shares."

         SECTION 2.5. Section 2.1(f) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                  "(f) Capital Stock of Sub. The shares of capital stock of Sub
                       --------------------
         issued and outstanding immediately prior to the Effective Time shall be
         converted into and become in the aggregate 3,375,000 shares of Common
         Stock of the Surviving Corporation, 1,250,000 shares of Class A
         Non-Voting Common Stock of the Surviving Corporation and 250,000 shares
         of a new series of Non-Voting 13.5% Pay-in-Kind Preferred Stock, stated
         value $100.00 per share, of the Surviving Corporation."

         SECTION 2.6. Section 3.7 of the Merger Agreement shall be amended and
restated in its entirety, and shall be replaced by the following:

                  "SECTION 3.7 Absence of Material Adverse Change. Except as
                               ----------------------------------
         disclosed in items 3.7 or 3.12(a) of the Company Letter or in the
         Company SEC Documents filed and publicly available prior to the date of
         this Agreement (the "Company Filed SEC Documents"), since December 31,
         1996, the Company and its Subsidiaries have conducted their respective
         businesses in all material respects only in the ordinary course
         consistent with past practice, and there has not been (i) any
         declaration, setting aside or payment of any dividend or other
         distribution with respect to its capital stock or any redemption,
         purchase or other acquisition of any of its capital stock, (ii) any
         split, combination or reclassification of any of its capital stock or
         any issuance or the authorization of any issuance of any other
         securities in respect of, in lieu of or in substitution for shares of
         its capital stock, (iii) (x) any granting by the Company or any of its
         Subsidiaries to any officer of the Company or any of its Subsidiaries
         of any increase in compensation, except in the ordinary course of
         business (including in connection with promotions) consistent with past
         practice or as was required under employment agreements in effect as of
         December 31, 1996, (y) any material change to the Company's or any of
         its Subsidiaries' severance or termination plans, agreements or
         arrangements with any of their employees, except as part of a standard
         employment package to any person promoted or hired (but not including
         the five most senior officers), or as was required under employment,
         severance or termination agreements in effect as of December 31, 1996,
         or (z) except for employment agreements in the ordinary course of
         business consistent with past practice with employees other than any
         executive officer of the Company, any entry by the Company or any of
         its Subsidiaries into any employment, consulting, severance,
         termination or indemnification agreement with any such employee or
         executive officer, (iv) any damage, destruction or loss, whether or not
         covered by

                                      -3-

<PAGE>

         insurance, that would reasonably be expected to have a
         Material Adverse Effect on the Company, (v) any revaluation by the
         Company of any of its material assets, (vi) any material change in
         accounting methods, principles or practices by the Company or (vii) any
         other action that occurred prior to the date hereof that, if it
         occurred after the date of this Agreement and prior to the Closing
         Date, would be prohibited by paragraphs (a), (b) (only with respect to
         the Company's Subsidiaries), (c), (f), (g) or (p) of Section 5.1 of
         this Agreement.

         SECTION 2.7. Section 4.7 of the Merger Agreement shall be amended and
restated in its entirety, and shall be replaced by the following:

                  "SECTION 4.7 Financing. Parent has binding written
                               ---------
         commitments, addressed to Parent or Sub, from one or more financially
         responsible financial institutions, dated as of November 18, 1997, true
         and complete copies of which have been furnished to the Company
         (collectively, the "Commitments") to obtain, together with the other
         funds to be provided by Parent, the financing necessary to pay the Cash
         Election Price with respect to each Share outstanding at the Effective
         Time (other than Electing Shares), to pay (or provide the funds for the
         Company to pay) all amounts contemplated by Section 2.2 when due, to
         refinance any indebtedness or other obligation of the Company and its
         Subsidiaries which may become due as a result of this Agreement or any
         of the transactions contemplated hereby, to pay all related fees and
         expenses and to provide for the anticipated working capital needs of
         the Surviving Corporation following the Merger (the financing necessary
         to provide such funds being hereinafter referred to as the
         "Financing"), which Commitments are in full force and effect as of
         November 18, 1997. There are no conditions precedent or other
         contingencies related to the funding of the full amount of the
         Financing other than as set forth in the Commitments. Subject to the
         terms and conditions of this Agreement and receipt of the proceeds of
         the Financing as set forth in the Commitments (or on other terms
         reasonably satisfactory to Parent), at the closing of the Merger,
         Parent will capitalize Sub with an aggregate equity contribution of at
         least $117.5 million. Parent will be under no obligation pursuant to
         the preceding sentence unless and until the proceeds of the Financing
         are received as set forth in the Commitments. In addition, Parent will
         be under no obligation under any circumstances to capitalize Sub with
         equity of more than $117.5 million."


                                      -4-

<PAGE>

         SECTION 2.8. Section 5.2(a) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                  "(a) The Company shall, and shall direct and cause its
         officers, directors, employees, representatives and agents to,
         immediately cease any discussions or negotiations with any parties that
         may be ongoing with respect to a Takeover Proposal (as hereinafter
         defined). The Company shall not, nor shall it permit any of its
         Subsidiaries to, nor shall it authorize or permit any of its officers,
         directors or employees or any investment banker, financial advisor,
         attorney, accountant or other representative or agent retained by it or
         any of its Subsidiaries to, directly or indirectly, (i) solicit,
         initiate or knowingly encourage (including by way of furnishing
         information) any inquiries or the making of any proposal which
         constitutes, or may reasonably be expected to lead to, any Takeover
         Proposal or (ii) participate in any discussions or negotiations
         regarding any Takeover Proposal; provided, however, that if, at any
         time prior to the receipt of the Company Stockholder Approval, the
         Board of Directors of the Company determines in good faith, after
         consultation with outside counsel, that it would be consistent with its
         fiduciary responsibilities to the Company's stockholders under
         applicable law, the Company may, in response to a Takeover Proposal
         which was not solicited subsequent to the date hereof, (x) furnish
         information with respect to the Company to any person pursuant to a
         confidentiality agreement substantially identical to the
         Confidentiality Agreement (as defined in Section 6.2 hereof) and (y)
         participate in discussions, investigations and/or negotiations
         regarding such Takeover Proposal. The Company will promptly notify
         Parent in the event of the occurrence of any matter referred to in the
         foregoing proviso. For purposes of this Agreement, "Takeover Proposal"
         means any inquiry, proposal or offer from any person relating to any
         direct or indirect acquisition or purchase of 25% or more of the
         aggregate assets of the Company and its Subsidiaries, taken as a whole,
         or 25% or more of the voting power of the shares of Common Stock then
         outstanding or any tender offer or exchange offer that if consummated
         would result in any person beneficially owning 25% or more of the
         voting power of the shares of Common Stock then outstanding or any
         merger, consolidation, business combination, recapitalization,
         liquidation, dissolution or similar transaction involving the Company,
         other than the transactions contemplated by this Agreement."

         SECTION 2.9. Section 5.2(b) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                  "(b) Except as set forth in this Section 5.2, neither the
         Board of Directors of the Company nor any committee thereof shall (i)
         withdraw or modify, or propose publicly to withdraw or modify, in a
         manner adverse to Parent, the approval or recommendation by such Board
         of Directors or such committee of the Merger or this Agreement;
         provided that, the Board of Directors may, (A) in response to any
         Takeover

                                      -5-

<PAGE>

         Proposal, suspend such recommendation pending its analysis of
         such Takeover Proposal or (B) at any time prior to the receipt of the
         Company Stockholder Approval, modify or withdraw such recommendation if
         the Board of Directors of the Company determines in good faith that a
         Takeover Proposal is a Superior Proposal (as hereinafter defined) and,
         after consultation with outside counsel, that it would be consistent
         with its fiduciary responsibilities to so modify or withdraw such
         recommendation, (ii) approve or recommend, or propose publicly to
         approve or recommend, any Takeover Proposal or (iii) cause the Company
         to enter into any acquisition agreement or other similar agreement (an
         "Acquisition Agreement") related to any Takeover Proposal.
         Notwithstanding the foregoing, in the event that prior to the receipt
         of the Company Stockholder Approval, the Board of Directors of the
         Company determines in good faith, after consultation with outside
         counsel, that it would be consistent with its fiduciary
         responsibilities to the Company's stockholders under applicable law,
         the Board of Directors of the Company may approve or recommend a
         Superior Proposal or terminate this Agreement, but in each case,
         subject to the provisions of Section 6.3 hereof and only at a time that
         is after the second business day following Parent's receipt of written
         notice (a "Notice of Superior Proposal") advising Parent that the Board
         of Directors of the Company has received a Takeover Proposal that may
         constitute a Superior Proposal, specifying the material terms and
         conditions of such Superior Proposal and identifying the person making
         such Superior Proposal. For purposes of this Agreement, a "Superior
         Proposal" means any proposal determined by the Board of Directors of
         the Company in good faith, after consultation with outside legal
         counsel, to be a bona fide proposal and made by a third party to
         acquire, directly or indirectly, for consideration consisting of cash,
         property and/or securities, more than 50% of the combined voting power
         of the shares of Common Stock then outstanding or all or substantially
         all the assets of the Company and otherwise on terms which the Board of
         Directors of the Company determines in its good faith judgment, after
         consultation with outside counsel and with a financial advisor of
         nationally recognized reputation, to be more favorable to the Company's
         stockholders than the Merger."

         SECTION 2.10. Section 5.3 of the Merger Agreement shall be amended and
restated in its entirety, and shall be replaced by the following:

                  "SECTION 5.3 Third Party Standstill Agreements. During the
                               ---------------------------------
         period from the date of this Agreement through the Effective Time, the
         Company shall not, except in connection with the making of a Takeover
         Proposal, terminate, amend, modify or waive any provision of any
         confidentiality or standstill agreement to which the Company or any of
         its Subsidiaries is a party (other than any involving Parent) unless
         the Company's Board of Directors shall have determined in good faith,
         after consultation with outside counsel, that such release of any third
         party or amendment, modification or waiver of such provisions is
         necessary in order to comply with its fiduciary duties to the Company's
         stockholders under applicable law."

         SECTION 2.11. Section 6.12(a) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                                      -6-

<PAGE>

                  "(a) With respect to any officer or employee who is covered by
         a severance policy or plan separate from the standard severance policy
         for the Company's employees (all of which separate severance policies
         or plans are incorporated in the terms of the employment agreements
         listed in item 6.12 of the Company Letter), the Surviving Corporation
         shall maintain (or shall cause to be maintained) such separate policy
         or plan as in effect as of the date hereof, and, as to all other
         officers and employees, the Surviving Corporation shall maintain (or
         shall cause to be maintained) the Company's standard severance policy
         as in effect as of the date hereof until at least June 30, 1998;
         provided, however, that with respect to any severance policy maintained
         pursuant to any statutory requirement, such policy shall continue to be
         maintained in compliance with the applicable statute."

         SECTION 2.12. A new Section 6.20 shall be added to the Merger
Agreement, which shall read in its entirety as follows:

                  "SECTION 6.20 Surviving Corporation Preferred Stock.
                                -------------------------------------
         Immediately after the Effective Time, the Board of Directors of the
         Surviving Corporation shall adopt a resolution providing for the
         creation of the series of Non-Voting 13.5% Pay-in-Kind Preferred Stock,
         stated value $100.00 per share, of the Surviving Corporation into which
         the shares of capital stock of Sub are to be converted in the Merger."

         SECTION 2.13. Section 8.1(b)(i) of the Merger Agreement shall be
amended and restated in its entirety, and shall be replaced by the following:

                  "(b)     by either Parent or the Company:

                           (i) if the Merger shall not have been consummated by
                  February 28, 1998; provided that the terminating party shall
                  not have breached in any material respect its obligations
                  under this Agreement in any manner that shall have proximately
                  contributed to the failure to consummate the Merger by
                  February 28, 1998;"

         SECTION 2.14. Section 8.1(c) of the Merger Agreement shall be amended
and restated in its entirety, and shall be replaced by the following:

                  "(c) by Parent or Sub if: (A) as of such time of
         determination, any of the representations or warranties of the Company
         set forth in this Agreement that are qualified as to materiality shall
         not be true and correct in any respect or any such representations or
         warranties that are not so qualified shall not be true and correct in
         any material respect, or (B) the Company shall have failed to perform
         in any material respect any material obligation or to comply in any
         material respect with any material agreement or covenant of the Company
         to be performed or complied with by it under this Agreement and, in the
         case of (A) such untruth or incorrectness cannot be or has not been
         cured within 60 days after the giving of written notice to the Company,
         and, in the case of (B) such failure cannot be or has not been cured
         within 20 days after the giving of written notice to the Company;"

                                      -7-

<PAGE>

         SECTION 3. Sub. Pursuant to Section 6.18 of the Merger Agreement, each
                    ---
of Parent, Sub and the Company hereby agree that by execution and delivery of
this Amendment, Sub will be deemed to have signed and become a party to the
Merger Agreement as of the date hereof and shall be entitled to all of the
rights and subject to all of the obligations and otherwise bound by all of the
provisions thereof, in each case applicable to Sub.

         SECTION 4.  Representations and Warranties.
                     ------------------------------

         (a) The Company. The execution, delivery and performance of this
             -----------
Amendment by the Company have been duly authorized by the Board of Directors of
the Company and by all other necessary corporate action on the part of the
Company. This Amendment has been duly executed and delivered by the Company and
(assuming the valid authorization, execution and delivery of this Amendment by
Parent and Sub) constitutes the valid and binding obligation of the Company
enforceable against the Company in accordance with its terms, except that such
enforceability (i) may be limited by bankruptcy, insolvency, moratorium or other
similar laws affecting or relating to the enforcement of creditors' rights
generally and (ii) is subject to general principles of equity.

         (b) Parent and Sub. The execution, delivery and performance of this
             --------------
Amendment by each of Parent and Sub have been duly authorized by the General
Partner of Parent and the Board of Directors of Sub, respectively, and by all
other necessary partnership or corporate action on the part of Parent or Sub,
respectively. This Amendment has been duly executed and delivered by each of
Parent and Sub and (assuming the valid authorization, execution and delivery of
this Amendment by the Company) constitutes the valid and binding obligation of
each of Parent and Sub enforceable against them in accordance with its terms,
except that such enforceability (i) may be limited by bankruptcy, insolvency,
moratorium or other similar laws affecting or relating to the enforcement of
creditors' rights generally and (ii) is subject to general principles of equity.

         SECTION 5.  Miscellaneous.
                     -------------

         (a) Other than as set forth in Section 2.1 through Section 2.8 and
Section 3 hereof, this Amendment does not modify, change or delete any other
addendum, term, provision, representation, warranty or covenant (the
"PROVISIONS") relating to or contained in the Merger Agreement, and all such
Provisions remain in full force and effect. For the avoidance of doubt, all
references in the Merger Agreement to "the date hereof" or "the date of this
Agreement" shall be deemed to be references to the date July 20, 1997.

         (b) This Amendment shall be governed by, and construed in accordance
with, the laws of the State of Delaware, regardless of the laws that might
otherwise govern under applicable principles of conflicts of laws thereof. This
Amendment may be executed in counterparts, all of which shall be considered one
and the same agreement, and shall become effective when one or more counterparts
have been signed by each of the parties and delivered to the other parties.

         (c) This Amendment and any of the provisions hereof may not be amended,
altered or added to in any manner except by a document in writing and signed by
each party.

                                      -8-

<PAGE>

         IN WITNESS WHEREOF, Parent, Sub and the Company have caused this
Amendment to be signed by their respective officers thereunto duly authorized
all as of the date first written above.

                                TPG PARTNERS II, L.P.

                                By:  TPG GenPar II, L.P., its General Partner

                                By:  TPG Advisors II, Inc., its General Partner



                                By
                                   --------------------------------------------
                                     Name:
                                     Title:



                                TPG ZEUS ACQUISITION CORPORATION



                                By:
                                   --------------------------------------------
                                     Name:
                                     Title:



                                ZILOG, INC.



                                By
                                   --------------------------------------------
                                     Name:
                                     Title:


                                      -10-


                              TPG PARTNERS II, L.P.
                              345 CALIFORNIA STREET
                             SAN FRANCISCO, CA 94104


                                                               November 18, 1997


Warburg, Pincus Capital Company, L.P.
Warburg, Pincus & Co.
466 Lexington Avenue
New York, New York  10017

Gentlemen and Ladies:

         Reference is made to the Stockholders Voting Agreement (the "VOTING
AGREEMENT") dated as of July 20, 1997, among TPG Partners II, L.P. ("PARENT"),
on the one hand, and Warburg, Pincus Capital Company, L.P. and Warburg, Pincus &
Co., on the other hand, and to the Agreement and Plan of Merger, dated as of
July 20, 1997, between Zilog, Inc. and Parent, as amended through the date
hereof (the "MERGER AGREEMENT"). Capitalized terms used but not defined herein
shall have the meanings set forth in the Merger Agreement. The purpose of this
letter agreement is to amend, pursuant to Section 9(a) of the Voting Agreement,
Section 4 of the Voting Agreement. The parties hereto hereby agree to amend and
restate Section 4 of the Voting Agreement to read in its entirety as follows:

              4. ELECTION TO RETAIN COMPANY STOCK AND STOCKHOLDERS AGREEMENT.
         Warburg, Pincus Capital Company, L.P. hereby agrees that it will make
         and not revoke an effective Non-Cash Election with respect to and
         otherwise cause the Requisite Number (subject to adjustment in
         accordance with Section 2.4 of the Merger Agreement) of Subject Shares
         to be "Electing Shares" under the Merger Agreement. For purposes of
         this Agreement, the "REQUISITE NUMBER" shall mean 375,000 less the
         aggregate number of Electing Shares, if any, held by holders of Shares
         other than Warburg, Pincus Capital Company, L.P.; provided, however,
         that in no event shall the Requisite Number be less than zero. Parent
         shall cause the Exchange Agent to provide Warburg, Pincus Capital
         Company, L.P., Parent and the Company with the information necessary as
         of the Election Date to determine the Requisite Number and to permit
         Warburg, Pincus Capital Company, L.P. to make the Non-Cash Election
         called for hereby. Each of the Stockholders hereby agrees that, except
         for the election required to be made by Warburg, Pincus Capital
         Company, L.P., neither Stockholder will make a Non-Cash Election with
         respect to any of the Subject Shares. Prior to the Effective Time, each
         of Warburg, Pincus Capital Company, L.P. and Parent agrees that it and
         the Company will enter into a Stockholders Agreement consistent with
         the provisions of Schedule B hereto (all of the material terms of which
         are summarized therein).

                                      * * *

         If the foregoing accurately sets forth your understandings and
agreements with


<PAGE>

Parent, please execute this letter agreement in the space
indicated below, whereupon this letter agreement will constitute a binding
agreement among the signatories hereto.

                                    TPG PARTNERS II, L.P.

                                        By:  TPG GenPar II, L.P.
                                                 its General Partner,

                                        By:  TPG Advisors II, Inc.
                                                 its General Partner


                                        By:
                                           ------------------------------------
                                             Name:   David M. Stanton
                                             Title:  Vice President


Accepted and Agreed to as of the date 
first above written:

WARBURG, PINCUS CAPITAL COMPANY, L.P.

By: Warburg, Pincus & Co.,
    its General Partner,

By:
   ------------------------------------
     Name:  William H. Janeway
     Title: A General Partner

WARBURG, PINCUS & CO.

By:
   ------------------------------------
     Name:  William H. Janeway
     Title: A General Partner

Acknowledged as of the date 
first above written:

ZILOG, INC.

By:
   ------------------------------------
     Name:  Richard R. Pickard
     Title: Vice President, General Counsel and Secretary


                                       2

                                  PRESS RELEASE

ZILOG LOGO


CONTACT
Robert E. Collins                           Richard R. Pickard
Vice President and Chief                    Vice President and General
Financial Officer                           Counsel
Tel:  408-370-8210                          408-370-8208
Fax:  408-370-8056                          408-370-8056



                      ZILOG AND TPG AMEND MERGER AGREEMENT


         Campbell, Calif.--Nov. 19, 1997--Zilog, Inc. (NYSE:ZLG), announced
today that, in light of its recent and current financial performance, its
previously announced merger agreement with Texas Pacific Group has been amended.
The amendment reduces the per share cash merger consideration from $25 per share
to $20 and effects certain other modifications to the rights and obligations of
the parties. Zilog expects that its revenues and earnings for the quarter ending
December 31, 1997 will likely be below the revenues and earnings for the quarter
ended September 30, 1997.

         The agreement continues to be subject to certain conditions, including
the approval of Zilog's stockholders and the completion of financing in
accordance with commitment letters issued by Goldman, Sachs & Co. to TPG or on
other reasonable terms. It is expected that Zilog will mail a proxy statement to
its stockholders in December for a special meeting to consider the merger to be
held in January or February 1998.

         Under the original agreement, 400,000 shares of Zilog common stock were
to have been retained by current shareholders as shares of the surviving
corporation, representing 10% of the voting power and 6.7% of the total common
equity of the surviving corporation. Under the amended agreement, 375,000 shares
of Zilog common stock will be retained by current shareholders, representing 10%
of the voting power and 7.5% of the total common equity.

                                    - more -


<PAGE>


ZILOG AND TPG AMEND MERGER AGREEMENT


         As originally agreed, Warburg, Pincus Capital Company, L.P., Zilog's
largest stockholder, has committed to vote in favor of the amended transaction
and to elect to retain up to 375,000 shares to enable all other stockholders to
receive cash for their shares. To the extent that other stockholders elect to
retain shares, they will be permitted to do so on a pro rata basis and the
number of shares retained by Warburg will be reduced to accommodate such
elections.

         The Board of Directors of Zilog has unanimously approved the revised
merger agreement.

         The Company has its headquarters in Campbell, Calif. It employs
approximately 1,670 people and has 26 direct sales offices and more than 120
distributor and rep locations worldwide. Further information may be obtained
from the company's SEC filings. Zilog stock is traded under the NYSE symbol ZLG.

         This press release contains forward-looking statements within the
meaning of the securities laws. Actual results could differ materially. For a
summary of the factors that could affect operating results, please see the
Company's Form 10-K and Form 10-Q last filed with the Securities and Exchange
Commission.

                                       ###


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