UNIMARK GROUP INC
SC 13D, 1998-07-07
CANNED, FRUITS, VEG, PRESERVES, JAMS & JELLIES
Previous: CASE CORP, 8-K, 1998-07-07
Next: ONCORMED INC, 8-K, 1998-07-07



                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                             THE UNIMARK GROUP, INC.
                 ---------------------------------------------
                                (Name of Issuer)

                     Common Stock, Par Value $0.01 Per Share
                 ---------------------------------------------
                         (Title of Class of Securities)

                                    904789104
                            ------------------------
                                 (CUSIP Number)

                              Stephen M. Vine, Esq.
                    Akin, Gump, Strauss, Hauer & Feld, L.L.P.
                               590 Madison Avenue
                            New York, New York 10022
                                 (212) 872-1000
                 ---------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                  June 23, 1998
                            ------------------------
                      (Date of Event which Requires Filing
                               of this Statement)



If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule  because of Rule 13d-1(b)(3) or (4), check the following box [_]. 
Note:Six copies of this statement,  including all exhibits, should be filed with
the  Commission.  See Rule 13d- 1(a) for other  parties to whom copies are to be
sent.

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter disclosure
provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



                         Continued on following page(s)
                               Page 1 of 16 Pages
                              Exhibit Index: Page 8


<PAGE>


                                                              Page 2 of 16 Pages

                                  SCHEDULE 13D

CUSIP No. 904789104


1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (Entities Only)

                  MEXICO STRATEGIC ADVISORS LLC

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [_]

3        SEC Use Only

4        Source of Funds*

                  AF

5        Check Box If Disclosure of Legal  Proceedings  Is Required  Pursuant to
         Items 2(d) or 2(e) [_]

6        Citizenship or Place of Organization

                  Delaware

                           7        Sole Voting Power
  Number of                                 4,305,500\1\
   Shares
Beneficially               8        Shared Voting Power
  Owned By                                  0
    Each
  Reporting                9        Sole Dispositive Power
   Person                                   4,305,500\1\
    With
                           10       Shared Dispositive Power
                                            0

11       Aggregate Amount Beneficially Owned by Each Reporting Person

                                            4,305,500\1\

12       Check Box If the Aggregate  Amount in Row (11) Excludes Certain Shares*
         [_]

13       Percent of Class Represented By Amount in Row (11)

                                    33.28%

14       Type of Reporting Person*

                  OO; IA

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

\1\ See Item 6.


<PAGE>


                                                              Page 3 of 16 Pages



          This  Statement  on Schedule 13D relates to Common  Shares,  par value
$0.01 per share (the "Shares"), of The UniMark Group, Inc. (the "Issuer").  This
Statement is being filed by the  Reporting  Person (as defined  below) to report
that MSIF (as defined below) has entered into an arrangement  with the Issuer to
acquire  Shares and an option to acquire  certain  Shares (the  "Option"),  as a
result of which the Reporting Person may be deemed to be the beneficial owner of
more than 5% of the outstanding Shares.

Item 1.        Security and Issuer.

               This  Statement  relates  to  the  Shares.  The  address  of  the
principal  executive  office of the  Issuer is 124  McMakin  Road,  Bartonville,
Argyle, Texas 76226.

Item 2.        Identity and Background.

               This  statement  is being  filed on behalf  of  Mexico  Strategic
Advisors LLC (the "Reporting Person") and relates to Shares and the Option which
will be held for the account of M&M Nominee  LLC, a Delaware  limited  liability
company ("M&M").  M&M is owned 80% by Mexico  Strategic  Investment Fund Ltd., a
Cayman Islands corporation  ("MSIF"),  and 20% by Madera LLC, a Delaware limited
liability  company  ("Madera").   M&M's  principal  business  is  investment  in
securities.

               The  Reporting  Person is a Delaware  limited  liability  company
whose  principal  business is to serve,  pursuant to contract,  as the principal
investment  manager to MSIF and Madera.  The principal  business of each of MSIF
and Madera is investment in  securities.  The address of the principal  business
and principal  office of each of the Reporting  Person and M&M is located at 888
Seventh  Avenue,  33rd  Floor,  New York,  New York  10106.  The  address of the
principal  business and principal office of MSIF is located at Kaya Flamboyan 9,
Willemstad, Curacao, Netherlands Antilles. The address of the principal business
and principal  office of Madera is c/o Chase  Manhattan Bank, 1211 Avenue of the
Americas,  39th Floor, New York, New York 10036. The Reporting Person's contract
with MSIF and Madera  (the  "Advisory  Contract")  provides  that the  Reporting
Person is responsible for making decisions  relating to the acquisition,  voting
and  disposition of securities on behalf of MSIF and Madera,  to the extent that
the assets of each have been allocated to the Reporting  Person  pursuant to the
Advisory Contract.

               The  business  of the  Reporting  Person is managed by a Manager,
subject to the direction of a Board of Advisors,  which is  responsible  for the
investment  decisions  made by the  Reporting  Person with respect to securities
held  for the  accounts  of MSIF and  Madera.  Set  forth in Annex A hereto  and
incorporated  by  reference  in  response to this Item 2 and  elsewhere  in this
Schedule 13D as applicable is current information with respect to the members of
the Board of Advisors of the Reporting Person.

               Pursuant to  regulations  promulgated  under Section 13(d) of the
Act, the Reporting Person,  pursuant to the provisions of the Advisory Contract,
may be deemed a beneficial owner of securities,  including the Shares,  held for
the account of M&M (as a result of the  contractual  authority of the  Reporting
Person  with MSIF and  Madera to  exercise  voting  and  dispositive  power with
respect to such securities).



<PAGE>


                                                              Page 4 of 16 Pages

               During the past five years,  neither the Reporting Person nor, to
the best of the Reporting  Persons'  knowledge,  any other person  identified in
response to this Item 2 has been (a) convicted in a criminal proceeding,  or (b)
a  party  to any  civil  proceeding  of a  judicial  or  administrative  body of
competent  jurisdiction  as a result of which he has been subject to a judgment,
decree  or final  order  enjoining  future  violations  of,  or  prohibiting  or
mandating  activities  subject to, federal or state  securities laws, or finding
any violation with respect to such laws.

Item 3.        Source and Amount of Funds or Other Consideration.

               The  securities  which will be held for the account of M&M may be
held through margin accounts maintained with brokers, which extend margin credit
as and when required to open or carry positions in its margin accounts,  subject
to applicable federal margin  regulations,  stock exchange rules and such firm's
credit  policies.  The  positions  which  may be  held in the  margin  accounts,
including the Shares,  are pledged as  collateral  security for the repayment of
debit balances in the respective accounts.

Item 4.        Purpose of Transaction.

               All of the Shares  reported herein which will be acquired for the
account of M&M will be acquired or disposed of for investment purposes.  Neither
the Reporting Person nor, to the best of its knowledge, any of the other persons
identified  in response to Item 2, has any plans or proposals  that relate to or
would result in any of the transactions  described in subparagraphs  (a) through
(j) of Item 4 of  Schedule  13D.  The  Reporting  Person  reserves  the right to
acquire,  or cause to be  acquired,  additional  securities  of the  Issuer,  to
dispose of, or cause to be disposed, such securities at any time or to formulate
other  purposes,  plans  or  proposals  regarding  the  Issuer  or  any  of  its
securities,  to the extent deemed  advisable in light of general  investment and
trading policies of the Reporting Person and/or M&M, market  conditions or other
factors.

Item 5.        Interest in Securities of the Issuer.

               (a)  The Reporting  Person may be deemed the beneficial  owner of
the  4,305,500  Shares which will be held for the account of M&M  (approximately
33.28% of the total number of Shares outstanding assuming exercise of the Option
which  will be held  for the  account  of  M&M).  This  number  consists  of (i)
3,305,500  Shares  which will be held for the account of M&M and (ii)  1,000,000
Shares  issuable  upon  exercise by M&M of the Option which will be held for the
account of M&M.

               (b)  The  Reporting  Person (by virtue of the Advisory  Contract)
has the sole power to direct the voting and disposition of the Shares which will
be held for the account of M&M.

               (c)  Not applicable.

               (d)  (i) M&M and its members have the right to participate in the
receipt of dividends from, or proceeds from the sale of,  securities,  including
the Shares and Options,  which will be held for the account of M&M in accordance
with their membership interests in M&M.

               (e)  Not applicable.



<PAGE>


                                                              Page 5 of 16 Pages


Item 6.        Contracts,  Arrangements,  Understandings  in  Relationship  with
               Respect to Securities of the Issuer.

               On June 23, 1998,  MSIF, on behalf of M&M,  entered into a Letter
Agreement (the "Letter  Agreement") with the Issuer, a copy of which is attached
hereto as Exhibit A and  incorporated  by  reference in response to this Item 6.
Pursuant to the terms of the Letter Agreement,  MSIF will expend  $14,998,706 of
the  working  capital of M&M to  purchase  3,305,500  Shares at $4.5375  and the
Option to purchase  1,000,000  Shares at an exercise price of $4.5375 per Share.
The  description of the terms of the Letter  Agreement below is qualified in its
entirety by reference to the specific provisions of the Letter Agreement.

               Pursuant to Section 3 of the Letter Agreement,  the Purchaser (as
defined therein) will not sell the Option or any of the Shares for one year from
the time of acquisition of the Shares,  other than to affiliates,  each of which
shall be bound by the foregoing transfer restriction.

               Pursuant  to  Section  13 of the  Letter  Agreement,  Mr.  Rafael
Vaquero  Bazan and Mr.  Fernando  Camacho  Casas have  agreed not to transfer or
pledge any of their Shares of the Issuer until  eighteen  months  following  the
purchase by the Purchaser (as defined therein) of the Shares.

               Pursuant  to Section 14 of the Letter  Agreement,  the  Purchaser
shall be entitled to designate a percentage  of the Issuer's  Board of Directors
at least equal to the  percentage  ownership of the Purchaser and its affiliates
of the outstanding common stock of the Issuer.

               From time to time,  each of the Reporting  Person,  MSIF,  Madera
and/or M&M may lend portfolio  securities to brokers,  banks or other  financial
institutions.  These  loans  typically  obligate  the  borrower  to  return  the
securities,  or an equal amount of securities  of the same class,  to the lender
and  typically  provide that the borrower is entitled to exercise  voting rights
and to retain  dividends  during the term of the loan. From time to time, to the
extent permitted by applicable laws, each of the Reporting Person,  MSIF, Madera
and/or M&M may borrow  securities,  including  the  Shares,  for the  purpose of
effecting, and may effect, short sale transactions,  and may purchase securities
for the purpose of closing out short positions in such securities.

               Except as described above,  the Reporting  Person,  MSIF,  Madera
and/or  M&M  do  not  have  any  contracts,   arrangements,   understandings  or
relationships with respect to any securities of the Issuer.

Item 7.        Material to be Filed as Exhibits.

     A.   Letter Agreement executed June 23, 1998 between the Issuer and MSIF.




<PAGE>


                                                              Page 6 of 16 Pages

                                   SIGNATURES

          After  reasonable  inquiry and to the best of my knowledge and belief,
the  undersigned  certifies that the  information set forth in this statement is
true, complete and correct.

Date: July 2, 1998

                                        MEXICO STRATEGIC ADVISORS LLC


                                        By:  /S/ FERNANDO CHICO PARDO
                                             ----------------------------------
                                             Fernando Chico Pardo
                                             Manager



<PAGE>


                                                              Page 7 of 16 Pages

<TABLE>
<CAPTION>

                                               ANNEX A

                         Board of Advisors of Mexico Strategic Advisors LLC


Name/Citizenship              Principal Occupation               Business (or Residence) Address
- ----------------              --------------------               -------------------------------
<S>                           <C>                                <C>

Mr. Fernando Chico Pardo      Manager of Mexico Strategic        Andres Bello 45, 14o. piso
(Mexico)                      Advisors LLC and Partner of        Colonia Polanco
                              Promecap, S.C.                     11550 Mexico, Distrito Federal

Mr. Jose Ignacio de           Associate of Promecap, S.C.        Andres Bello 45, 14o. piso
   Abeiga Pons                                                   Colonia Polanco
(Mexico)                                                         11550 Mexico, Distrito Federal

Mr. Juan Marco Gutierrez      Associate of Promecap, S.C.        Andres Bello 45, 14o. piso
   Wanless                                                       Colonia Polanco
(Mexico)                                                         11550 Mexico, Distrito Federal

Mr. Gary Gladstein            Managing Director of Soros         888 Seventh Avenue, 33rd Floor,
(United States)               Fund Management LLC                New York, New York 10106

Mr. Richard Katz              Private Investor                   Villa La Sirena, Vico dell'
(England)                                                        Olivetta 12, 18039 Mortola
                                                                 Inferiore, Ventimiglia, Italy
                                                                 (Residence)


</TABLE>
<PAGE>


                                                              Page 8 of 16 Pages

                                  EXHIBIT INDEX


A.        Letter Agreement executed June 23, 1998 between the Issuer and MSIF.






                                                              Page 9 of 16 Pages


                                    EXHIBIT A


                     MEXICO STRATEGIC INVESTMENT FUND, LTD.



                                  CONFIDENTIAL
                                  ------------


                                  June 22, 1998

The UniMark Group, Inc.
UniMark House
Bartonville
Argyle, TX  76226

Gentlemen:

     1.   This letter is to confirm our  agreement  that we or an  affiliate  of
ours to be designated by us ("Purchaser") will purchase,  and The UniMark Group,
Inc.  ("you" or the  "Company")  will issue to  Purchaser,  3,305,500  shares of
Common  Stock (the  "Primary  Shares") of the  Company  for a purchase  price of
U.S.$4.5375 per share, or an aggregate purchase price of U.S.$14,998,706.25,  in
cash  (subject to  adjustment  for stock  splits,  stock  dividends  and similar
transactions that occur between the date hereof and the date such transaction is
consummated).  The purchase price for the Primary Shares will be payable in U.S.
dollars  . The  definitive  purchase  agreement  for  the  Primary  Shares  (the
"Agreement") will grant to Purchaser and its assigns an option (the "Option") to
acquire  1,000,000 shares of Common Stock of the Company at an exercise price of
$4.5375 per share (subject to anti-dilution  protections and adjustment),  which
option will be  exercisable  on or before the first  anniversary of the date the
Primary Shares are acquired.


     2.   The  Agreement  will  contain  customary  terms,  including  customary
representations and warranties, indemnities, conditions and covenants (including
covenants  not to do the matters  addressed  on Annex A hereto,  which  negative
covenants will be applicable so long as Purchaser and its affiliates  either own



<PAGE>


                                                             Page 10 of 16 Pages

(i) 10% or more of the outstanding Common Stock of the Company, or (ii) have not
transferred to third-parties 50% or more of the Primary Shares).


     3.   The  Agreement   will  include  or  be  accompanied  by  an  agreement
satisfactory   to  the  Company  and  to  Purchaser   providing   for  customary
registration  rights (with three demand  registrations  and unlimited  piggyback
rights) for the Primary  Shares,  the Option and the Common Stock  obtained upon
exercise  of the  Option  (the  Primary  Shares  and  such  Common  Stock  being
hereinafter  referred to collectively as the "Shares").  The Agreement will also
provide  that  Purchaser  will not sell the  Option or any of the Shares for one
year from the time the Primary  Shares are acquired  (other than to  affiliates,
each of which shall be bound by the foregoing transfer restriction).


     4.   From the date hereof until August 1, 1998,  the Company shall not, and
the Company shall cause its affiliates  and  representatives  not to,  initiate,
solicit,  enter into or conduct any discussions or  negotiations,  or enter into
any agreement, whether written or oral, with any person with respect to the sale
of all or any  significant  portion of the stock or assets of the Company (other
than in connection with the transactions contemplated hereby).


     5.   The Company  shall pay all of our costs and expenses  (including  fees
and expenses of counsel and  accountants)  in connection  with our due diligence
review of the Company,  the negotiation,  execution and delivery of this letter,
the Agreement and all other documents in connection  therewith,  and the closing
of the transactions contemplated hereby, up to a maximum of $100,000, as well as
our costs and expenses  (including fees and expenses of counsel and accountants)
of our enforcement of the foregoing.


     6.   You and we shall  consult  with one another  before  issuing any press
release  or  otherwise  making  any  public   statements  with  respect  to  the
transactions  contemplated  hereby.  You and we will not  issue  any such  press
release or make any such  public  statement  without  the prior  approval of the
other except as may be required by law.


     7.   Purchaser  represents  to the  Company  that this letter has been duly
authorized,  executed and delivered by it and constitutes the valid, binding and
enforceable  obligation  of  Purchaser  and  that no  further  authorization  by



<PAGE>



                                                             Page 11 of 16 Pages


partners,  directors or shareholders of Purchaser is required (by law, contract,
rule of any securities authority or exchange or otherwise). Purchaser will have,
at the time required by the Agreement, sufficient funds to effect the closing of
the transactions contemplated hereby.


     8.   The Company  represents  to  Purchaser  that this letter has been duly
authorized,  executed and delivered by it and constitutes the valid, binding and
enforceable  obligation  of the  Company  and that no further  authorization  by
directors or  shareholders of Purchaser is required (by law,  contract,  rule of
any securities authority or exchange or otherwise).  The Shares will be eligible
for  NASDAQ  NMS  trading  without  further  consents  or  actions  (other  than
registration under the federal securities laws).


     9.   The Company  further  represents to Purchaser as follows:  the Company
has timely filed with the Securities and Exchange Commission all forms, reports,
schedules, statements and other documents required to be filed by it (other than
the Company's proxy statement in respect of its annual shareholders'  meeting to
be held in 1998) since January 1, 1996 under the Exchange Act (as defined below)
or the Securities Act (as defined below) (such  documents,  as supplemented  and
amended since the time of filing,  collectively,  the "SEC Documents").  The SEC
Documents,  including any financial statements or schedules included therein, at
the  time  filed  (and,  in  the  case  of  registration  statements  and  proxy
statements,   on  the  dates  of   effectiveness   and  the  dates  of  mailing,
respectively)  (a) did not contain any untrue  statement  of a material  fact or
omit to state a material  fact  required to be stated  therein or  necessary  in
order to make the statements  therein, in light of the circumstances under which
they were made, not misleading,  and (b) complied in all material  respects with
the applicable  requirements  of the Exchange Act and the Securities Act, as the
case  may be.  The  financial  statements  of the  Company  included  in the SEC
Documents at the time filed (and,  in the case of  registration  statements  and
proxy  statements,  on the  dates of  effectiveness  and the  dates of  mailing,
respectively)  complied  as to form in all  material  respects  with  applicable
accounting  requirements  and with the published  rules and  regulations  of the
Commission  with respect  thereto,  were prepared in accordance  with  generally
accepted accounting  principles applied on a consistent basis during the periods
involved  (except as may be  indicated  in the notes  thereto or, in the case of
unaudited statements,  as permitted by Form 10-Q of the Commission),  and fairly
present (subject, in the case of the unaudited interim financial statements,  to
normal,  recurring year-end audit adjustments consistent with past practice), in
all material  respects,  the consolidated  financial position of the Company and
its subsidiaries as at the dates thereof and the  consolidated  results of their
operations and cash flows for the periods then ended. All projections previously
(or  hereafter)  provided  to  Purchaser  in  connection  with the  transactions
contemplated  hereby are (or will be) bona fide  projections  of the Company and



<PAGE>


                                                             Page 12 of 16 Pages

the Company believes that such projections are reasonable. All other information
previously (or hereafter) furnished by the Company to Purchaser is (or shall be)
true and correct in all  material  respects  does not (and will not) contain any
material misstatements or omissions.  No subsidiary of the Company is subject to
the periodic reporting  requirements of the Exchange Act or required to file any
form,  report or other document with the  Commission,  any stock exchange or any
other comparable  governmental  authority (domestic or foreign). The "Securities
Act" shall mean the Securities Act of 1933, as amended,  including the rules and
regulations promulgated thereunder. The "Exchange Act" shall mean the Securities
Exchange Act of 1934, as amended including the rules and regulations promulgated
thereunder.


     10.  You and we agree to use our  respective  best efforts to negotiate and
enter  into the  Agreement  by July 15,  1998,  subject to  compliance  with the
conditions referred to in this letter.


     11.  Your obligation to sell the Shares and grant the Option referred to in
Paragraph 3 hereof is subject to the  compliance  by  Purchaser  of the terms of
this  letter   applicable   to  it  (including   the  continued   truth  of  the
representations  and  warranties  of  Purchaser  contained  herein)  and  to the
execution and delivery of the Agreement.


     12.  Our  obligation to purchase the Shares is subject to completion of our
due diligence review (and the results of which being satisfactory to us), to our
structuring  the  transaction in a  tax-efficient  manner,  to compliance by the
Company  and the  Principals  as defined  below)  with the terms of this  letter
(including  the continued  truth of the  representations  and  warranties of the
Company contained herein) and to the execution and delivery of the Agreement and
the  documentation  referred to in Section 13 below, as well as to the continued
truth of the following: (i) since the date of the last SEC Document prior to the
date  hereof,  there  has  been no  material  adverse  change  in the  business,
operations,  results of operations, assets, prospects or condition (financial or
otherwise) of the Company and its subsidiaries, (ii) since the date hereof, none
of Mr. Rafael Vaquero Bazan and Mr. Fernando  Camacho Casas  (collectively,  the
"Principals") has sold or otherwise disposed of any of their respective holdings
of Common  Stock of the  Company,  (iii)  the  Company  has not,  after the date
hereof, done or caused to be done any of the matters set forth on Annex A hereto
without  our  consent,  and (iv)  except as  specifically  disclosed  in the SEC
Documents  filed prior to the date of this Agreement,  there is no suit,  claim,
action,  proceeding,  audit or investigation pending or, to the knowledge of the
Company, threatened against the Company which, individually or in the aggregate,
would  reasonably be expected to have a material adverse effect on the business,
operations,  results of operations, assets, prospects or condition (financial or
otherwise)  of the  Company or a material  adverse  effect on the ability of the
Company to consummate the transactions contemplated hereby.


<PAGE>


                                                             Page 13 of 16 Pages



     13.  The  Principals  shall not  transfer or pledge any of their  shares of
Common Stock of the Company  (the  "Principal  Shares")  until  eighteen  months
following the purchase by Purchaser of the Primary Shares.  The Principals shall
enter into mutually satisfactory  non-competition  agreements with Purchaser and
the Company.  In addition,  the  Principals  and  Purchaser  shall enter into an
agreement  pursuant  to  which at any  time  after  the  second  anniversary  of
Purchaser's  purchase of the Primary Shares and for so long as Purchaser and its
affiliates  are  entitled  to  exercise  the  veto  rights  in  Annex A, (i) the
Principals  or  Purchaser  and its  affiliates  may propose a price per share of
Common Stock and (ii) the  non-proposing  group may elect either (x) to sell all
of its shares of Common Stock  (including  the Option and the shares  obtainable
upon  exercise  of the  Option) of the Company at such price per share or (y) to
purchase for cash the proposing  group's  shares of Common Stock  (including the
Option and the shares  obtainable upon exercise of the Option) of the Company at
such price per share.


     14.  Purchaser shall be entitled to designate a percentage of the Company's
Board of Directors at least equal to the  percentage  ownership of Purchaser and
its affiliates of the outstanding Common Stock of the Company.


     15.  This letter shall be governed by and construed in accordance  with the
laws of the State of  Delaware,  without  giving  effect to any  conflict of law
provision.   You  and  we  each  hereby  consent  to  submit  to  the  exclusive
jurisdiction  of the courts of the State of Delaware and of the United States in
each case located in Wilmington for any litigation arising out of or relating to
this letter and the transactions  contemplated hereby (and agree not to commence
any litigation  relating thereto except in such courts).  You and we each hereby
irrevocably  and  unconditionally  waive any objection to the laying of venue of
any such  litigation  in the  courts of the State of  Delaware  or of the United
States  of  America  in each case  located  in  Wilmington  and  hereby  further
irrevocably  and  unconditionally  waive  and agree not to plead or claim in any
such court that any such  litigation  brought in any such court has been brought
in an inconvenient forum.


     16.  This letter may be terminated  (i) at any time by mutual  agreement of
the  parties,  or (ii) at any time  after  August 1,  1998 by  either  party (by
written  notice to the other),  provided  that the  terminating  party is not in
material  breach  of  the  terms  hereof.  Notwithstanding  the  foregoing,  the
provisions  of  Paragraphs  5 and 15 and this  Paragraph  16 shall  survive  any
termination of this letter.






<PAGE>
                                                             Page 14 of 16 Pages



                                             Very truly yours,



                                             MEXICO STRATEGIC
                                             INVESTMENT FUND, LTD.

                                             By:  /s/ Peter Streinger
                                                  -----------------------------
                                                  Name:     Peter Streinger
                                                  Title:    Attorney-in-fact


AGREED TO AND  ACCEPTED
as of  the  date  first
above written    
THE UNIMARK GROUP, INC.


By:  /s/ Rafael Vaquero
     ----------------------------
      Name:     Rafael Vaquero
      Title:    CEO and President


<PAGE>


                                                             Page 15 of 16 Pages

SECTION  13  AGREED  TO
AND  ACCEPTED as of the
date    first     above
written      by     the
PRINCIPALS


- --------------------------
Rafael Vaquero Bazan



- --------------------------
Fernando Camacho Casas



<PAGE>


                                                                         Annex A


*    (i) Incur or maintain any  indebtedness  other than bank line of credit for
     working  capital  not in excess of $18  million,  (ii) be party to  capital
     leases in amounts in excess of $30 million (in the aggregate), and (iii) at
     any time, allow the amounts of the indebtedness/obligations under items (i)
     and (ii) to be greater than $42 million

*    Incur  liens or  encumbrances  other than liens to secure the  indebtedness
     permitted above (Diamond) Incur contingent  obligations or guaranties other
     than in the ordinary course of business  (Diamond) Take actions which would
     result in the Company  being  classified  as a United  States Real Property
     Holding Company

*    Make or maintain any  investment in or capital  contribution  or advance to
     any other person, other than investments in wholly-owned  subsidiaries;  or
     enter into joint ventures or  partnerships  or establish  non-wholly  owned
     subsidiaries

*    Enter into any commitment or amend any existing  commitment with a value in
     excess of five  percent of total  assets  (as set forth on the  immediately
     preceding year's audited  financial  statements) or enter any commitment or
     transaction  or amend  any  existing  commitment  or  transaction  with any
     affiliate or related party or significant shareholder

*    Incur  capital  expenditures  in excess of 110% of the amount  budgeted for
     such items (based on the budgets delivered to Purchaser)

*    Approve  increases in any item in each year's annual budget in excess of 5%
     over the amount budgeted for such item during the preceding year

*    Appoint or remove any member of senior management

*    Amend the Certificate of Incorporation or the Bylaws

*    Change the number of directors (without  maintaining at least proportionate
     representation by Purchaser on the Board)

*    Approve  any merger or  consolidation  or similar  reorganization  or other
     fundamental change in the business of the Company

*    Acquire assets (other than in the ordinary course) or common stock, debt or
     other  securities of any third party (Diamond) Sell or dispose of assets of
     the Company or any of its subsidiaries  having a value in excess of 10% per
     year of the value of the total fixed  assets of the Company  (nor shall the
     Company  allow any  facility  of the  Company  to sell or dispose of assets
     having a value in  excess  of 5% per year of the  value of such  facility's
     total fixed assets)

*    Liquidate the Company

*    Issue any securities of the Company (including,  without limitation, common
     stock,  convertible securities,  rights, warrants or options to one or more
     persons (including  through a public offering)),  other than pursuant to an
     employee benefit plan consistent with past practice

*    Register Securities under the Securities Act of 1933 (except as provided in
     Registration  Rights  Agreements  disclosed  to  Purchaser)  or  grant  any
     registration rights

*    Declare or pay dividends

*    Effect any debt or equity  repurchase  or  redemption  or other  restricted
     payment

*    Adopt or amend benefit plans (Diamond) Enter into new businesses

*    Change the Company's independent accountants

*    Settle any material litigation

*    Permit the Company to fail to comply with customary affirmative  covenants,
     including:  (i) compliance with financial and other reporting requirements;
     (ii) compliance with laws; (iii) limitation on conflicting agreements; (iv)
     preservation  of franchises  and existence;  (v)  maintenance of insurance;
     (vi) payment of taxes and other charges; (vii) ERISA compliance;  and (vii)
     access and inspection rights and maintenance of books and records.



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission