HITOX CORPORATION OF AMERICA
SC 14D1/A, 1999-04-02
INDUSTRIAL INORGANIC CHEMICALS
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                           ---------------------------

                                AMENDMENT NO. 1    
                                      TO    
                                 SCHEDULE 14D-1
                             TENDER OFFER STATEMENT
       PURSUANT TO SECTION 14(D)(1) OF THE SECURITIES EXCHANGE ACT OF 1934
                           ---------------------------

                          HITOX CORPORATION OF AMERICA
                            (Name of Subject Company)

                             PAULSON ACQUISITION LLC
                               PAULSON RANCH LTD.
                               BERNARD A. PAULSON

                                    (Bidder)

                     COMMON STOCK, PAR VALUE $0.25 PER SHARE
                         (Title of Class of Securities)

                                    433658101
                      (CUSIP Number of Class of Securities)
                           ---------------------------

                             PAULSON ACQUISITION LLC
                         C/O FOUNDERS EQUITY GROUP, INC.
                              2602 MCKINNEY AVENUE
                                    SUITE 220
                               DALLAS, TEXAS 75204
                                 (214) 871-3000

            (Name, Address and Telephone Number of Person Authorized
           to Receive Notices and Communications on Behalf of Bidder)

                           ---------------------------

                                    Copy to:

                             PATRICK J. DOOLEY, ESQ.
                            VICTORIA A. BAYLIN, ESQ.
                    AKIN, GUMP, STRAUSS, HAUER & FELD, L.L.P.
                               590 MADISON AVENUE
                            NEW YORK, NEW YORK 10022
                            TELEPHONE: (212) 872-1000
                           ---------------------------

                            Calculation of Filing Fee







         Transaction Valuation                     Amount of Filing Fee
                 $2,500,000                                $500    


<PAGE>





*    For purposes of  calculating  the filing fee only.  This amount assumes the
     purchase of 1,000,000  shares of Common  Stock of the subject  company (the
     "Shares") at $2.50 in cash per share.

     [__]  Check  box if any  part  of the fee is  offset  as  provided  by Rule
     0-11(a)(2)  and  identify  the  filing  with which the  offsetting  fee was
     previously  paid.  Identify the previous filing by  registration  statement
     number, or the Form or Schedule and the date of its filing.



Amount Previously Paid:   $500       Filing Party:   Paulson Acquisition LLC    

Form or Registration Number:   5-40170       Date Filed:   March 23, 1999    








<PAGE>



         1.  Name of  Reporting  Person  
             S.S. or I.R.S. Identification Nos. of Above Person
             --------------------------------------------------

                  Paulson Acquisition LLC

         2.  Check the Appropriate Box if a member of a Group (See Instructions)
             -------------------------------------------------------------------
                  (a)      [ ]
                  (b)      [X]

         3.  SEC Use Only
             ------------


         4.  Sources of Funds (See Instructions)
             -----------------------------------

                  WC, PF and OO

         5.  Check if Disclosure of Legal Proceedings is Required
             Pursuant to Items 2(e) or 2(f)
             ------------------------------

                  [ ]

         6.  Citizenship or Place of Organization
             ------------------------------------

                  Delaware

         7.  Aggregate Amount Beneficially Owned by Each Reporting Person
             ------------------------------------------------------------

                  0


         8.  Check if the  Aggregate  in Row (7)  Excludes  Certain  Shares (See
             Instructions)
             -------------

                  [  ]

         9.  Percent of Class Represented by Amount in Row (7)
             -------------------------------------------------
             
                  0%

         10. Type of Reporting Person (See Instructions)
             -------------------------------------------

                  OO




<PAGE>




         1.  Name of Reporting Person
             S.S. or I.R.S. Identification Nos. of Above Person
             --------------------------------------------------

                  Paulson Ranch Ltd.

         2.  Check the Appropriate Box if a member of a Group (See Instructions)
             -------------------------------------------------------------------

                  (a)      [ ]
                  (b)      [X]

         3.  SEC Use Only
             ------------


         4.  Sources of Funds (See Instructions)
             -----------------------------------

                  WC, PF and OO

         5.  Check if Disclosure of Legal  Proceedings  is Required  
             Pursuant to Items 2(e) or 2(f)
             ------------------------------

                  [ ]

         6.  Citizenship or Place of Organization
             ------------------------------------
                  Texas

         7.  Aggregate Amount Beneficially Owned by Each Reporting Person
             ------------------------------------------------------------
                  0


         8.  Check if the  Aggregate  in Row (7)  Excludes  Certain  Shares (See
             Instructions)
             -------------

                  [  ]

         9.  Percent of Class Represented by Amount in Row (7)
             -------------------------------------------------

                  0%

         10. Type of Reporting Person (See Instructions)
             -------------------------------------------

                  PN



<PAGE>



         1.  Name of Reporting Person
             S.S. or I.R.S. Identification Nos. of Above Person
             --------------------------------------------------

                  Bernard A. Paulson

         2.  Check the Appropriate Box if a member of a Group (See Instructions)
             -------------------------------------------------------------------

                  (a)      [ ]
                  (b)      [X]

         3.  SEC Use Only
             ------------

         4.  Sources of Funds (See Instructions)
             -----------------------------------

                  WC, PF and OO

         5.  Check if Disclosure of Legal Proceedings is Required
             Pursuant to Items 2(e) or 2(f)
             ------------------------------

                  [ ]

         6.  Citizenship or Place of Organization
             ------------------------------------

                  United States

         7.  Aggregate Amount Beneficially Owned by Each Reporting Person
             ------------------------------------------------------------

                  42,000


         8.  Check if the Aggregate in Row (7) Excludes Certain Shares (See
             Instructions)
             -------------

                  [  ]

         9.  Percent of Class Represented by Amount in Row (7)
             -------------------------------------------------

                  .9%

         10. Type of Reporting Person (See Instructions)
             -------------------------------------------
                  
                  IN



<PAGE>



ITEM 1.           Security and Subject Company.
                  ----------------------------

         (a) The name of the subject  company is Hitox  Corporation  of America.
         The  address  of  the  Company's  principal  executive  offices  is 722
         Burleson Street, Corpus Christi, Texas 78402.

         (b) This Schedule 14D-1 relates to the offer by Paulson Acquisition LLC
         (the  "Purchaser") to purchase up to 1,000,000  shares of common stock,
         par value $0.25 per share ("Common  Stock") of the subject company (the
         "Shares").  Information  regarding the number of shares  outstanding is
         set  forth  in   "Introduction"   of  the  Offer  to  Purchase  and  is
         incorporated herein by reference.

         (c) Information concerning the principal market in which the Shares are
         traded  and the  high  and low  sales  prices  of the  Shares  for each
         quarterly  period  for the past two  years is set  forth in  Section  7
         "Price   Range  of  the  Shares"  of  the  Offer  to  Purchase  and  is
         incorporated herein by reference.

ITEM 2.           Identity and Background.
                  -----------------------

         (a) -  (d)  The  information  set  forth  in  "Introduction,"  "Certain
         Information Concerning the Purchaser" and in Schedule I of the Offer to
         Purchase is incorporated herein by reference.

         (e) - (g) The information set forth in "Certain Information  Concerning
         the Purchaser," and Schedule I of the Offer to Purchase is incorporated
         herein by reference.  Other than as set forth in the Offer to Purchase,
         during the last five years,  neither the Purchaser  nor, to the best of
         the knowledge of the  Purchaser,  any person named on Schedule I to the
         Offer to  Purchase  nor any  affiliate  of the  Purchaser  (i) has been
         convicted in a criminal  proceeding  (excluding  traffic  violations or
         similar  misdemeanors)  or (ii) was a party to a civil  proceeding of a
         judicial or  administrative  body of  competent  jurisdiction  and as a
         result of such proceeding were or are subject to a judgment,  decree or
         final order enjoining future  violations of, or prohibiting  activities
         subject to, Federal or State  securities  laws or finding any violation
         of such laws.

ITEM 3.           Past Contacts,  Transactions or Negotiations  with the Subject
                  Company.
                  -------

         (a) - (b) The information set forth in Section 10 "Certain  Information
         Concerning the Purchaser,"  Section 12 "Contacts and Transactions  with
         the  Company;  Background  of the Offer" and Schedule I of the Offer to
         Purchase is incorporated herein by reference.

ITEM 4.           Source and Amount of Funds or Other Consideration.
                  -------------------------------------------------

         (a) - (c) The information set forth in Section 11 "Source and Amount of
         Funds" of the Offer to Purchase is incorporated herein by reference.

                      

<PAGE>




ITEM 5.           Purpose  of the  Tender  Offer and Plans or  Proposals  of the
                  Bidder.
                  -------

         (a)-(e)  and (g) The  information  in Section 8 "Purpose  of the Offer;
         Plans  for the  Company;  Effect  of the  Offer on the  Market  for the
         Shares;  Stock Quotation;  Exchange Act  Registration;" of the Offer to
         Purchase is incorporated herein by reference.

         (f)  Not applicable,

ITEM 6.            Interest in Securities of the Subject Company.
                   ---------------------------------------------

         (a)  and  (b)  The   information  set  forth  in  Section  10  "Certain
         Information  Concerning  the  Purchaser" and Schedule I of the Offer to
         Purchase is incorporated herein by reference.

ITEM 7.           Contracts, Arrangements, Understandings or Relationships  with
                  Respect to the Subject Company's Securities.
                  -------------------------------------------

         The information set forth in Section 10 "Certain Information Concerning
         the Purchaser" and Schedule I of the Offer to Purchase is  incorporated
         herein by reference.

ITEM 8.           Persons Retained, Employed or To Be Compensated.
                  -----------------------------------------------

         None.

ITEM 9.           Financial Statements of Certain Bidders.
                  ---------------------------------------

         The information set forth in Section 11 "Source and Amount of Funds" of
         the Offer to Purchase is incorporated herein by reference.

ITEM 10.          Additional Information.
                  ----------------------

         (a) The  information  set  forth in  Section  10  "Certain  Information
             Concerning  the  Purchaser" and Schedule I of the Offer to Purchase
             is incorporated herein by reference.

         (b)-(c) The information set forth in Section 14 "Certain Legal Matters"
         of the Offer to Purchase is incorporated herein by reference.

         (d) None.

         (e) None.

         The  information  set forth in the Offer to  Purchase  is  incorporated
herein by reference.


<PAGE>


ITEM 11.          Material to be Filed as Exhibits.
                  --------------------------------


         (a)(1)   Form of Offer to Purchase dated March 23, 1999

         (a)(2)   Form of Letter of Transmittal   *    

         (a)(3)   Form of Notice of Guaranteed Delivery   *    

         (a)(4)   Form of Letter to brokers,  dealers,  commercial banks,  trust
                  companies and nominees   *    

         (a)(5)   Form  of  Letter  to  clients  for  use by  brokers,  dealers,
                  commercial banks, trust companies and nominees   *    

         (a)(6)   Guidelines for Certification of Taxpayer Identification Number
                  on Substitute Form W-9   *    

         (a)(7)   Summary  Advertisement  as  published in  Investor's  Business
                  Daily on March 23, 1999   *    

         (a)(8)   Press release issued on March 23, 1999   *    
         
    (    (b)      Commitment Letter,  dated February 23, 1999, from NationsBank,
                  N.A. to Paulson Ranch, Ltd.   *    


   *Previously Filed    

                                   SIGNATURES

         After due inquiry and to the best of my knowledge and belief, I certify
         that the information set forth in this statement is true,  complete and
         correct.

Dated:    March 23, 1999       April 2,     1999

                             PAULSON ACQUISITION LLC

                             BY:   /S/ BERNARD A. PAULSON
                                   ______________________________________
                                   Name:   Bernard A. Paulson
                                   Title:  President and Chief Executive Officer



<PAGE>



                                  EXHIBIT INDEX

Exhibit                Description
- ---------              --------------
(a)(1)                 Form of Offer to Purchase dated March 23, 1999

(a)(2)                 Form of Letter of Transmittal   *    

(a)(3)                 Form of Notice of Guaranteed Delivery   *    

(a)(4)                 Form of Letter to  brokers,  dealers,  commercial  banks,
                       trust companies and nominees   *    

(a)(5)                 Form of Letter to clients  for use by  brokers,  dealers,
                       commercial banks, trust companies and nominees   *    

(a)(6)                 Guidelines for  Certification of Taxpayer  Identification
                       Number on Substitute Form W-9   *    

(a)(7)                 Summary Advertisement as published in Investor's Business
                       Daily on March 23, 1999   *    

(a)(8)                 Press release issued on March 23, 1999   *    

(b)                    Commitment   Letter,   dated   February   23,  1999  from
                       NationsBank, N.A. to Paulson Ranch, Ltd.   *    


   *Previously Filed    





                                                                          (a)(1)
                                                                               

                           OFFER TO PURCHASE FOR CASH
                     UP TO 1,000,000 SHARES OF COMMON STOCK

                                       OF

                          HITOX CORPORATION OF AMERICA
                             a Delaware Corporation

                                       AT

                                 $2.50 PER SHARE

                                       by

                             PAULSON ACQUISITION LLC



                          _____________________________



          THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE
        AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON MONDAY, APRIL 19, 1999,
                          UNLESS THE OFFER IS EXTENDED.

                         _____________________________


         THE OFFER IS SUBJECT TO CERTAIN TERMS AND CONDITIONS CONTAINED
               IN THIS OFFER TO PURCHASE. SEE SECTIONS 13 AND 14.




                                    IMPORTANT

         Any  stockholder  desiring  to  tender  all  or  any  portion  of  such
stockholder's  shares of common stock of the Company,  par value $0.25 per share
(the "Shares"), should either (1) complete and sign the Letter of Transmittal or
a facsimile copy thereof in accordance  with the  instructions  in the Letter of
Transmittal, have such stockholder's signature thereon guaranteed if required by
Instruction  1 to the  Letter of  Transmittal,  mail or  deliver  the  Letter of
Transmittal  (or  such  facsimile),  or,  in the case of a  book-entry  transfer
effected  pursuant to the  procedure  set forth in Section 3 hereof,  an Agent's
Message (as defined herein),  and any other required documents to the Depositary
(as defined herein) and either deliver the  certificates  for such Shares to the
Depositary  along with the Letter of Transmittal  (or facsimile) or deliver such
Shares pursuant to the procedure for book-entry  transfer set forth in Section 3
hereof  prior to the  expiration of the Offer or (2) request  such stockholder's


<PAGE>



broker,  dealer,  bank, trust company or other nominee to effect the transaction
for such  stockholder.  A stockholder  having Shares registered in the name of a
broker,  dealer,  bank, trust company or other nominee must contact such broker,
dealer,  bank,  trust  company or other nominee if such  stockholder  desires to
tender such Shares.

         A stockholder who desires to tender Shares and whose  certificates  for
such  Shares are not  immediately  available  or who  cannot  comply in a timely
manner with the procedure for  book-entry  transfer,  or who cannot  deliver all
required  documents to the Depositary  prior to the expiration of the Offer, may
tender such Shares by following the procedure for guaranteed  delivery set forth
in Section 3 hereof.


         Questions and requests for assistance or for additional  copies of this
Offer to  Purchase,  the  Letter of  Transmittal  and the  Notice of  Guaranteed
Delivery may be directed to the  Information  Agent at its address and telephone
numbers set forth on the back cover of this Offer to Purchase.

March 23, 1999



<PAGE>



                                TABLE OF CONTENTS

                                                                            Page

INTRODUCTION...................................................................1

1.     Terms of the Offer......................................................2

2.     Number of Shares; Proration.............................................3

3.     Procedure for Tendering Shares..........................................4

4.     Withdrawal Rights.......................................................9

5.     Acceptance for Payment and Payment......................................9

6.     Certain Federal Income Tax Consequences................................10

7.     Price Range of the Shares..............................................11

8.     Purpose of the  Offer-Plans  for the Company;  Effect of the Offer on the
       Market    for    the    Shares;    Stock    Quotation;    Exchange    Act
       Registration...........................................................12

9.     Certain Information Concerning the Company.............................14

10.    Certain Information Concerning the Purchaser...........................15

11.    Source and Amount of Funds.............................................15

12.    Contacts and Transactions with the Company; Background of the Offer....16

13.    Certain Conditions of the Offer........................................16

14.    Certain Legal Matters..................................................20

15.    Fees and Expenses......................................................22

16.    Miscellaneous..........................................................22

       SCHEDULE I.............................................................23




                                       i

<PAGE>



        TO THE HOLDERS OF COMMON STOCK OF HITOX CORPORATION OF AMERICA:

                                  INTRODUCTION


         Paulson  Acquisition  LLC, a Delaware  limited  liability  company (the
"Purchaser"),  a  wholly-owned  limited  liability  company of the Paulson Ranch
Ltd., a Texas limited partnership  ("Paulson Ranch"),  hereby offers to purchase
up to 1,000,000  shares of common stock, par value $0.25 per share (the "Shares"
or "Common  Stock"),  of the Company,  at a price of $2.50 per Share, net to the
seller in cash, without interest thereon (the "Offer Price"), upon the terms and
subject to the conditions set forth in this Offer to Purchase and in the related
Letter of Transmittal (which, together with any amendments or supplements hereto
or thereto, collectively constitute the "Offer").

         Purchaser,  a Delaware limited liability  company,  was formed on March
18, 1999 for the purpose of  consummating  the Offer.  Purchaser is wholly-owned
limited  liability company of the Paulson Ranch, Ltd. The general partner of the
Paulson Ranch is Paulson Ranch  Management,  L.L.C.,  a Texas limited  liability
company.  The members of Paulson Ranch  Management,  L.L.C.  are Mr.  Bernard A.
Paulson and his wife. Mr.  Paulson is a director and the acting Chief  Executive
Officer of the Company.    The Purchaser, Paulson Ranch and Mr. Paulson could be
deemed to be affiliates of the Company.     Over the past two years, Mr. Paulson
has acquired 42,000 shares of the Company's common stock.  Neither the Purchaser
nor to the  Purchaser's  knowledge  any of the  members,  executive  officers or
affiliates of the  Purchaser,  nor any  associates of the foregoing has effected
any transaction in any class of the Company's  securities  during the sixty days
prior to the date hereof.

         Tendering  stockholders  will not be obligated to pay brokerage fees or
commissions  or,  except  as  set  forth  in  Instruction  6 of  the  Letter  of
Transmittal, transfer taxes on the purchase of Shares pursuant to the Offer. The
Purchaser will pay all fees and expenses of Founders Equity Group,  Inc.,  which
is acting as the Depositary (the  "Depositary"),  and the Information Agent (the
"Information  Agent"),  incurred in  connection  with the Offer.  See Section 15
hereof.

         THE PURCHASER  RESERVES THE RIGHT (SUBJECT TO THE APPLICABLE  RULES AND
         REGULATIONS   OF  THE   SECURITIES   AND   EXCHANGE   COMMISSION   (THE
         "COMMISSION")) TO PURCHASE LESS THAN 1,000,000  SHARES.  SEE SECTIONS 1
         AND 4 HEREOF.  THE  CONDITIONS  SET  FORTH IN  SECTION  13  HEREOF  ARE
         REFERRED TO AS THE "OFFER CONDITIONS".

         Based on the  Company's  Annual  Report on Form 10-K for the year ended
December 31, 1998, as of February 9, 1999,  there were  4,657,487  shares issued
and outstanding. Accordingly, based on the foregoing and assuming that 1,000,000
shares are validly tendered and not withdrawn and the Purchaser purchases all of
the Shares, upon consummation of the Offer the Purchaser would own approximately
1,042,000  shares,  or  approximately  21.5%  of the  outstanding  shares  as of
February 9, 1999.

         THIS OFFER TO PURCHASE AND THE RELATED LETTER OF
         TRANSMITTAL  CONTAIN  IMPORTANT  INFORMATION THAT SHOULD BE READ BEFORE
         ANY DECISION IS MADE WITH RESPECT TO THE OFFER.

                                       1

<PAGE>


                                    THE OFFER


1.       Terms of the Offer
         ------------------

         Upon  the  terms  and  subject  to the  conditions  of the  Offer,  the
Purchaser will accept for payment and pay for all Shares validly  tendered prior
to the Expiration Date and not theretofore  withdrawn in accordance with Section
4 hereof.  The term "Expiration Date" means 12:00 midnight,  New York City time,
on April 19, 1999, unless and until the Purchaser shall have extended the period
of time  during  which the Offer is open,  in which  event the term  "Expiration
Date" shall mean the latest time and date at which the Offer,  as so extended by
the Purchaser, will expire.

         Subject to the applicable rules and regulations of the Commission,  the
Purchaser reserves the right (but shall not be obligated),  at any time and from
time to time,  and  regardless  of whether or not any of the events or facts set
forth in Section 13 hereof shall have occurred, (a) to extend the period of time
during which the Offer is open, and thereby delay  acceptance for payment of and
the payment for any Shares,  by giving oral or written  notice of such extension
to the Depositary and (b) to amend the Offer in any other respect by giving oral
or written notice of such amendment to the Depositary.

         UNDER NO CIRCUMSTANCES  WILL INTEREST BE PAID ON THE PURCHASE PRICE FOR
         TENDERED  SHARES,  WHETHER OR NOT THE PURCHASER  EXERCISES ITS RIGHT TO
         EXTEND THE OFFER.

         If by 12:00 midnight, New York City time, on Monday, April 19, 1999 (or
any  date or time  then set as the  Expiration  Date),  any or all of the  Offer
Conditions have not been satisfied or waived,  the Purchaser  reserves the right
(but shall not be obligated), subject to the applicable rules and regulations of
the Commission, (a) to terminate the Offer and not accept for payment or pay for
any Shares and return all  tendered  Shares to  tendering  stockholders,  (b) to
waive all the  unsatisfied  conditions  and accept for  payment  and pay for all
Shares  validly  tendered  prior  to the  Expiration  Date  and not  theretofore
withdrawn,  (c) to extend the Offer and, subject to the right of stockholders to
withdraw  Shares  until the  Expiration  Date,  retain the Shares that have been
tendered  during the period or periods for which the Offer is extended or (d) to
amend the Offer.

         There can be no assurance that the Purchaser will exercise its right to
extend the Offer.  Any  extension,  waiver,  amendment  or  termination  will be
followed as promptly as practicable by a public  announcement  of such event. In
the case of an extension,  Rule 14e-l(d)  under the  Securities  Exchange Act of
1934, as amended (the "Exchange Act"),  requires that the announcement be issued
no later than 9:00 a.m., New York City time, on the next business day after the


 
                                      2

<PAGE>



previously  scheduled Expiration Date in accordance with the public announcement
requirements of Rule 14d-4(c) under the Exchange Act.  Subject to applicable law
(including  Rules  14d-4(c) and 14d-6(d)  under the Exchange Act,  which require
that  any  material  change  in the  information  published,  sent or  given  to
stockholders  in  connection   with  the  Offer  be  promptly   disseminated  to
stockholders  in a manner  reasonably  designed to inform  stockholders  of such
change) and without  limiting  the manner in which the  Purchaser  may choose to
make any public  announcement,  the  Purchaser  will not have any  obligation to
publish,  advertise or otherwise  communicate any such public announcement other
than by making a release to the Dow Jones News Service.

         If the  Purchaser  extends the Offer or if the  Purchaser is delayed in
its acceptance for payment of or payment (whether before or after its acceptance
for payment of Shares) for Shares or it is unable to pay for Shares  pursuant to
the Offer for any reason,  then,  without  prejudice to the  Purchaser's  rights
under the Offer,  the  Depositary  may retain  tendered  Shares on behalf of the
Purchaser,  and such Shares may not be withdrawn  except to the extent tendering
stockholders are entitled to withdrawal rights as described in Section 4 hereof.
However,  the ability of the  Purchaser to delay the payment for Shares that the
Purchaser  has  accepted  for  payment  is limited  by Rule  14e-l(c)  under the
Exchange  Act,  which  requires that a bidder pay the  consideration  offered or
return  the  securities  deposited  by or on behalf  of  holders  of  securities
promptly after the termination or withdrawal of such bidder's offer.

         If the Purchaser  makes a material  change in the terms of the Offer or
the  information  concerning  the Offer or waives a  material  condition  of the
Offer,  the Purchaser will  disseminate  additional  tender offer  materials and
extend the Offer to the extent  required by Rules  14d-4(c),  14d-6(d) and 14e-1
under the  Exchange  Act. The minimum  period  during which an offer must remain
open  following  material  changes  in the  terms of the  offer  or  information
concerning the offer, other than a change in price or a change in the percentage
of  securities  sought,  will  depend  upon the  facts  and  circumstances  then
existing,   including  the  relative   materiality   of  the  changed  terms  or
information.  With respect to a change in price or a change in the percentage of
securities sought, a minimum period of 10 business days is generally required to
allow for adequate dissemination to stockholders.

         The Purchaser  has requested the Company to provide the Purchaser  with
the Company's  stockholder  lists and security position listings for the purpose
of  disseminating  the Offer to holders of Shares.  This Offer to Purchase,  the
related Letter of Transmittal and other relevant materials will be mailed by the
Purchaser to record holders of Shares and will be furnished to brokers, dealers,
banks,  trust  companies and similar  persons whose names, or the names of whose
nominees, appear on the stockholder lists, or, if applicable,  who are listed as
participants in a clearing agency's  security  position listing,  for subsequent
transmittal to beneficial owners of Shares.

         The Shares are listed and traded on The Nasdaq  SmallCap  Market System
("Nasdaq") under the symbol "HTXA". The Company announced the Offer prior to the
opening of trading on March 23, 1999. The closing price per share as reported on
Nasdaq on March 18, 1999 was $1.50.  The Purchaser urges  stockholders to obtain
current market quotations for the Shares.

         THIS OFFER TO PURCHASE AND RELATED TRANSMITTAL CONTAIN
         IMPORTANT INFORMATION AND SHOULD BE READ IN THEIR
         ENTIRETY BEFORE ANY DECISION IS MADE WITH RESPECT TO THE
         OFFER.

2.       Number of Shares; Proration
         ---------------------------

         Upon  the  terms  and  subject  to the  conditions  of the  Offer,  the
Purchaser will accept for payment (and thereby  purchase) up to 1,000,000 Shares
that are properly  tendered on or before the Expiration  Date (and not withdrawn
in accordance with Section 4) at a price equal to $2.50 per Share.

                                       3

<PAGE>

         For purposes of the Offer,  a "business day" means any day other than a
Saturday,  Sunday or federal  holiday and consists of the time period from 12:01
a.m. through Midnight, New York City time.

         If the number of Shares properly  tendered prior to the Expiration Date
is less than or equal to 1,000,000  shares,  the Purchaser  will, upon the terms
and subject to the conditions of the Offer, purchase all Shares so tendered.

         If more  than  1,000,000  Shares  are  validly  tendered  prior  to the
Expiration  Date and not  withdrawn,  the  Purchaser  will,  upon the  terms and
subject to the conditions of the Offer,  accept such Shares for payment on a pro
rata basis, with adjustments to avoid purchases of fractional Shares, based upon
the  number of Shares  validly  tendered  prior to the  Expiration  Date and not
withdrawn.

         In the  event  that  proration  of  tendered  Shares is  required,  the
Purchaser will determine the final  proration  factor as promptly as practicable
after the Expiration Date.  Although the Purchaser does not expect to be able to
announce the final results of such proration  until  approximately  three Nasdaq
trading days after the Expiration Date, it will announce  preliminary results of
proration by press release as promptly as practicable after the Expiration Date.
Stockholders may obtain such preliminary  information from the Purchaser and may
be able to obtain such information from their brokers.

3.       Procedure for Tendering Shares
         ------------------------------

         Valid Tender.  For a stockholder  validly to tender Shares  pursuant to
         ------------
the Offer, either (a) a Letter of Transmittal (or facsimile  thereof),  properly
completed and duly executed,  together with any required  signature  guarantees,
or, in the case of a book-entry transfer, an Agent's Message (as defined below),
and any other  required  documents,  must be received by the  Depositary  at its
address  set  forth on the back  cover of this  Offer to  Purchase  prior to the
Expiration Date and either  certificates for tendered Shares must be received by
the  Depositary at its address or such Shares must be delivered  pursuant to the
procedures   for   book-entry   transfer  set  forth  below  (and  a  Book-Entry
Confirmation (as defined below) received by the Depositary),  in each case prior
to the Expiration  Date, or (b) the tendering  stockholder  must comply with the
guaranteed delivery procedures set forth below.

         The Depositary  will  establish  accounts with respect to the Shares at
The Depository Trust Company (the "Book-Entry  Transfer  Facility") for purposes
of the Offer within two business  days after the date of this Offer to Purchase.



                                       4
<PAGE>


Any financial  institution  that is a  participant  in the  Book-Entry  Transfer
Facility's  system  may make  book-entry  delivery  of  Shares  by  causing  the
Book-Entry  Transfer  Facility  to transfer  such  Shares into the  Depositary's
account in accordance  with the Book-Entry  Transfer  Facility's  procedures for
such  transfer.  However,  although  delivery of Shares may be effected  through
book-entry  transfer into the  Depositary's  account at the Book-Entry  Transfer
Facility,  the Letter of Transmittal (or facsimile thereof),  properly completed
and duly  executed,  with  any  required  signature  guarantees,  or an  Agent's
Message, and any other required documents, must, in any case, be transmitted to,
and  received by, the  Depositary  at its address set forth on the back cover of
this  Offer  to  Purchase  prior  to  the  Expiration  Date,  or  the  tendering
stockholder must comply with the guaranteed delivery procedures described below.
The  confirmation  of a  book-entry  transfer  of Shares  into the  Depositary's
account at the Book-Entry  Transfer  Facility as described  above is referred to
herein as a "Book-Entry Confirmation".

         DELIVERY OF DOCUMENTS TO THE BOOK-ENTRY TRANSFER FACILITY IN ACCORDANCE
         WITH THE BOOK-ENTRY TRANSFER FACILITY'S  PROCEDURES DOES NOT CONSTITUTE
         DELIVERY TO THE DEPOSITARY.

         The  term  "Agent's  Message"  means  a  message   transmitted  by  the
Book-Entry  Transfer  Facility to, and received by, the Depositary and forming a
part of a Book-Entry  Confirmation,  which states that the  Book-Entry  Transfer
Facility  has received an express  acknowledgment  from the  participant  in the
Book-Entry  Transfer  Facility  tendering the Shares that such  participant  has
received  and agrees to be bound by the terms of the Letter of  Transmittal  and
that the Purchaser may enforce such agreement against the participant.


         THE METHOD OF DELIVERY OF SHARES, THE LETTER OF TRANSMITTAL
         AND ALL OTHER REQUIRED DOCUMENTS, INCLUDING DELIVERY
         THROUGH THE BOOK-ENTRY TRANSFER FACILITY, IS AT THE ELECTION
         AND RISK OF THE TENDERING STOCKHOLDER. SHARES WILL BE


                                       5

<PAGE>



         DEEMED DELIVERED ONLY WHEN ACTUALLY RECEIVED BY THE
         DEPOSITARY (INCLUDING, IN THE CASE OF A BOOK-ENTRY TRANSFER,
         BY BOOK-ENTRY CONFIRMATION). IF DELIVERY IS BY MAIL,
         REGISTERED MAIL WITH RETURN RECEIPT REQUESTED, PROPERLY
         INSURED, IS RECOMMENDED. IN ALL CASES, SUFFICIENT TIME SHOULD
         BE ALLOWED TO ENSURE TIMELY DELIVERY.

         Signature Guarantees.  No signature guarantee is required on the Letter
         --------------------
of  Transmittal  (a) if the Letter of  Transmittal  is signed by the  registered
holder(s) (which term, for purposes of this Section, includes any participant in
the  Book-Entry  Transfer  Facility's  system  whose name  appears on a security
position  listing as the owner of the Shares) of Shares  tendered  therewith and
such  registered  holder  has not  completed  either the box  entitled  "Special
Delivery Instructions" or the box entitled "Special Payment Instructions" on the
Letter of  Transmittal  or (b) if such Shares are  tendered for the account of a
financial  institution  (including  most  commercial  banks,  savings  and  loan
associations  and  brokerage  houses)  that  is a  participant  in the  Security
Transfer  Agents  Medallion  Program,  the New  York  Stock  Exchange  Medallion
Signature  Guarantee  Program  or the Stock  Exchange  Medallion  Program  (such
participant,  an "Eligible Institution").  In all other cases, all signatures on
the Letter of  Transmittal  must be guaranteed by an Eligible  Institution.  See
Instructions  1 and 5 to the  Letter of  Transmittal.  If the  certificates  for
Shares  are  registered  in the name of a person  other  than the  signer of the
Letter of Transmittal,  or if payment is to be made or  certificates  for Shares
not  tendered or not  accepted  for payment are to be returned to a person other
than  the  registered  holder  of the  certificates  surrendered,  the  tendered
certificates  must be endorsed or accompanied by  appropriate  stock powers,  in
either case  signed  exactly as the name or names of the  registered  holders or
owners appear on the  certificates,  with the signatures on the  certificates or
stock powers guaranteed as aforesaid.  See Instructions 1 and 5 to the Letter of
Transmittal.


                                        6

<PAGE>

         Guaranteed Delivery. If a stockholder desires to tender Shares pursuant
         -------------------
to the Offer and such stockholder's  certificates for Shares are not immediately
available or the  procedure  for  book-entry  transfer  cannot be completed on a
timely  basis or time  will not  permit  all  required  documents  to reach  the
Depositary  prior to the  Expiration  Date,  such  stockholder's  tender  may be
effected if all the following conditions are met:

         (i)      such tender is made by or through an Eligible Institution;

         (ii)     a properly  completed and duly  executed  Notice of Guaranteed
                  Delivery, substantially in the form provided by the Purchaser,
                  is received by the Depositary,  as provided below, on or prior
                  to the Expiration Date; and

         (iii)    the certificates  for all tendered Shares,  in proper form for
                  transfer  (or a Book- Entry  Confirmation  with respect to all
                  such  Shares),  together  with a  Letter  of  Transmittal  (or
                  facsimile thereof), properly completed and duly executed, with
                  any  required  signature  guarantees,  or,  in the  case  of a
                  book-entry  transfer,   an  Agent's  Message,  and  any  other
                  documents  required by the Letter of Transmittal are  received
                  by the Depositary  within  three  Nasdaq  Stock Market trading
                  days after the date of execution of such  Notice of Guaranteed
                  Delivery.

         The  Notice of  Guaranteed  Delivery  may be  delivered  by hand to the
Depositary or transmitted  by telegram,  facsimile  transmission  or mail to the
Depositary  and must include a guarantee by an Eligible  Institution in the form
set forth in such Notice of Guaranteed Delivery.

         Notwithstanding any other provision hereof, payment for Shares accepted
for payment  pursuant  to the Offer will in all cases be made only after  timely
receipt  by the  Depositary  of (a)  certificates  for (or a  timely  Book-Entry
Confirmation  with  respect  to)  such  Shares,  (b)  either  (i)  a  Letter  of
Transmittal (or facsimile thereof),  properly completed and duly executed,  with
any  required  signature  guarantees,  or,  (ii)  in the  case  of a  book-entry
transfer, an Agent's Message, and (c) any other documents required by the Letter
of Transmittal.  Accordingly,  tendering  stockholders  may be paid at different
times depending upon when  certificates  for Shares or Book-Entry  Confirmations
with respect to Shares are actually received by the Depositary.

         UNDER NO  CIRCUMSTANCES  WILL INTEREST BE PAID ON THE PURCHASE PRICE OF
         THE SHARES TO BE PAID BY THE PURCHASER,  REGARDLESS OF ANY EXTENSION OF
         THE OFFER OR ANY DELAY IN MAKING SUCH PAYMENT.

         The valid tender of Shares pursuant to one of the procedures  described
above will constitute a binding agreement between the tendering  stockholder and
the Purchaser upon the terms and subject to the conditions of the Offer.


                                       7


<PAGE>

         Appointment.  By executing a Letter of  Transmittal as set forth above,
         -----------
the tendering stockholder will irrevocably appoint designees of the Purchaser as
such stockholder's  attorneys-in-fact and proxies in the manner set forth in the
Letter of Transmittal,  each with full power of substitution, to the full extent
of such  stockholder's  rights  with  respect  to the  Shares  tendered  by such
stockholder  and accepted for payment by the  Purchaser  and with respect to any
and all other Shares or other securities or rights issued or issuable in respect
of such Shares on or after March 23, 1999.  All such proxies will be  considered
coupled  with an interest  in the  tendered  Shares.  Such  appointment  will be
effective  when, and only to the extent that, the Purchaser  accepts for payment
Shares tendered by such stockholder as provided herein.  Upon such  appointment,
all prior powers of attorney,  proxies and  consents  given by such  stockholder
with respect to such Shares or other securities or rights will,  without further
action,  be revoked and no subsequent powers of attorney,  proxies,  consents or
revocations  may be given (and,  if given,  will not be deemed  effective).  The
designees of the Purchaser  will thereby be empowered to exercise all voting and
other  rights  with  respect to such  Shares and other  securities  or rights in
respect  of  any  annual,   special  or  adjourned   meeting  of  the  Company's
stockholders,  actions  by  written  consent  in lieu  of any  such  meeting  or
otherwise,  as they in their sole discretion deem proper. The Purchaser reserves
the right to require  that, in order for Shares to be deemed  validly  tendered,
immediately  upon the  Purchaser's  acceptance  for payment of such Shares,  the
Purchaser  must be able to exercise  full voting,  consent and other rights with
respect to such Shares  and other  securities  or  rights,  including  voting at
any  meeting of stockholders.

         Determination  of Validity.  All  questions as to the  validity,  form,
         --------------------------
eligibility  (including  time of receipt) and acceptance of any tender of Shares
will be determined by the Purchaser in its sole discretion,  which determination
will be final and binding.  The Purchaser  reserves the absolute right to reject
any or all tenders  determined by it not to be in proper form or the  acceptance
for  payment of or  payment  for which may,  in the  opinion of the  Purchaser's
counsel,  be unlawful.  The Purchaser  also reserves the absolute right to waive
any  defect  or  irregularity  in the  tender of any  Shares  of any  particular
stockholder  whether or not similar defects or irregularities  are waived in the
case of other  stockholders.  No tender  of  Shares  will be deemed to have been
validly  made until all defects or  irregularities  relating  thereto  have been
cured or waived. None of the Purchaser,  Parent, the Depositary, the Information
Agent or any other  person  will be under any duty to give  notification  of any
defects or  irregularities in tenders or incur any liability for failure to give
any  such  notification.   The  Purchaser's  interpretation  of  the  terms  and
conditions  of  the  Offer   (including  the  Letter  of  Transmittal   and  the
instructions thereto) will be final and binding.

         Backup Withholding.  In order to avoid "backup  withholding" of federal
         ------------------
income tax on payments of cash pursuant to the Offer, a stockholder surrendering
Shares in the Offer must,  unless an exemption  applies,  provide the Depositary
with such  stockholder's  correct  taxpayer  identification  number ("TIN") on a
Substitute  Form W-9 and certify  under  penalties  of perjury  that such TIN is
correct and that such  stockholder  is not subject to backup  withholding.  If a
stockholder does not provide such stockholder's  correct TIN or fails to provide
the certifications described above, the Internal Revenue Service (the "IRS") may
impose a penalty on such stockholder and any payment of cash to such stockholder
pursuant  to the  Offer  may be  subject  to  backup  withholding  of  31%.  All
stockholders  surrendering Shares pursuant to the Offer should complete and sign
the main  signature  form and the  Substitute  Form W-9  included as part of the
Letter of Transmittal to provide the information and certification  necessary to
avoid backup withholding (unless an applicable exemption exists and is proved in


                                       8

<PAGE>


a manner satisfactory to the Purchaser and the Depositary). Certain stockholders
(including,  among others, all corporations and certain foreign  individuals and
entities)  are  not  subject  to  backup   withholding.   Noncorporate   foreign
stockholders  should  complete and sign the main  signature form and a Form W-8,
Certificate  of  Foreign  Status,  a copy of  which  may be  obtained  from  the
Depositary,  in order to avoid  backup  withholding.  See  Instruction  9 to the
Letter of Transmittal.

4.       Withdrawal Rights
         -----------------

         Except as  otherwise  provided in this Section 4, tenders of Shares are
irrevocable.  Shares tendered pursuant to the Offer may be withdrawn pursuant to
the  procedures  set forth below at any time prior to the  Expiration  Date and,
unless  theretofore  accepted for payment and paid for by the Purchaser pursuant
to the Offer, may also be withdrawn at any time after May 23, 1999.

         For a withdrawal to be effective,  a written,  telegraphic or facsimile
transmission  notice of withdrawal  must be timely received by the Depositary at
its  address  set forth on the back  cover of this  Offer to  Purchase  and must
specify the name of the person having  tendered the Shares to be withdrawn,  the
number of Shares to be withdrawn  and the name of the  registered  holder of the
Shares to be  withdrawn,  if different  from the name of the person who tendered
the  Shares.  If  certificates  for  Shares  have been  delivered  or  otherwise
identified  to the  Depositary,  then,  prior to the  physical  release  of such
certificates, the serial numbers shown on such certificates must be submitted to
the  Depositary  and,  unless  such  Shares  have been  tendered  by an Eligible
Institution, the signatures on the notice of withdrawal must be guaranteed by an
Eligible  Institution.  If Shares have been delivered  pursuant to the procedure
for  book-entry  transfer  as set  forth in  Section  3  hereof,  any  notice of
withdrawal  must  also  specify  the  name  and  number  of the  account  at the
Book-Entry  Transfer Facility and otherwise comply with the Book-Entry  Transfer
Facility's  procedures.  Withdrawals  of tenders of Shares may not be rescinded,
and any Shares properly withdrawn will thereafter be deemed not validly tendered
for purposes of the Offer. However,  withdrawn Shares may be retendered by again
following one of the procedures  described in Section 3 hereof at any time prior
to the Expiration Date.

         All questions as to the form and validity  (including  time of receipt)
of  notices  of  withdrawal  will be  determined  by the  Purchaser  in its sole
discretion,  which  determination  will  be  final  and  binding.  None  of  the
Purchaser,  Parent,  the Depositary,  the Information  Agent or any other person
will be under any duty to give  notification of any defects or irregularities in
any notice of  withdrawal  or incur any  liability  for failure to give any such
notification.

5.       Acceptance for Payment and Payment
         ----------------------------------

         Upon the terms and subject to the  conditions of the Offer  (including,
if the Offer is  extended  or  amended,  the terms  and  conditions  of any such
extension or amendment),  the Purchaser will accept for payment and will pay for
all  Shares  validly  tendered  prior to the  Expiration  Date and not  properly
withdrawn in  accordance  with Section 4 hereof  promptly  after the  Expiration
Date.  All  determinations   concerning  the  satisfaction  of  such  terms  and
conditions will be within the Purchaser's discretion,  which determinations will
be final and binding.  See  Sections 1 and 13 hereof.  The  Purchaser  expressly
reserves the right to delay  acceptance  for payment of or payment for Shares in
order to comply in whole or in part with any  applicable  law.  Any such  delays
will be  effected  in  compliance  with Rule  14e-l(c)  under the  Exchange  Act
(relating  to a bidder's  obligation  to pay for or return  tendered  securities
promptly after the termination or withdrawal of such bidder's offer).



                                       9

<PAGE>

         In all cases,  payment for Shares accepted for payment  pursuant to the
Offer  will  be  made  only  after  timely  receipt  by  the  Depositary  of (a)
certificates  for (or a timely  Book-Entry  Confirmation  with  respect to) such
Shares, (b) either (i) a Letter of Transmittal (or facsimile thereof),  properly
completed and duly executed, with any required signature guarantees, or, (ii) in
the  case of a  book-entry  transfer,  an  Agent's  Message,  and (c) any  other
documents  required by the Letter of  Transmittal.  The per Share  consideration
paid to any  stockholder  pursuant  to the Offer will be the  highest  per Share
consideration paid to any other stockholder pursuant to the Offer.

         For  purposes  of the  Offer,  the  Purchaser  will be  deemed  to have
accepted for payment,  and thereby  purchased,  Shares properly  tendered to the
Purchaser and not withdrawn as, if and when the Purchaser  gives oral or written
notice to the  Depositary  of the  Purchaser's  acceptance  for  payment of such
Shares.  Payment for Shares  accepted for payment  pursuant to the Offer will be
made by deposit of the purchase price therefor with the  Depositary,  which will
act as agent for  tendering  stockholders  for the purpose of receiving  payment
from the Purchaser and transmitting payment to tendering stockholders.

         UNDER NO  CIRCUMSTANCES  WILL INTEREST BE PAID ON THE PURCHASE PRICE OF
         THE SHARES TO BE PAID BY THE PURCHASER,  REGARDLESS OF ANY EXTENSION OF
         THE OFFER OR ANY DELAY IN MAKING SUCH PAYMENT.

         If the Purchaser is delayed in its acceptance for payment of or payment
for Shares or is unable to accept for payment or pay for Shares  pursuant to the
Offer for any reason,  then,  without prejudice to the Purchaser's  rights under
the Offer (but subject to compliance  with Rule 14e-l(c) under the Exchange Act,
which requires that a tender offeror pay the consideration offered or return the
tendered securities promptly after termination or withdrawal of a tender offer),
the Depositary may,  nevertheless,  on behalf of the Purchaser,  retain tendered
Shares,  and such  Shares may not be  withdrawn  except to the extent  tendering
stockholders are entitled to exercise,  and duly exercise,  withdrawal rights as
described in Section 4.

         If any tendered Shares are not purchased  pursuant to the Offer for any
reason,  certificates  for any such Shares will be returned,  without expense to
the  tendering  stockholder  (or, in the case of Shares  delivered by book-entry
transfer of such Shares into the Depositary's account at the Book-Entry Transfer
Facility  pursuant to the  procedure set forth in Section 3, such Shares will be
credited to the account  maintained at the  Book-Entry  Transfer  Facility),  as
promptly as practicable after the expiration or termination of the Offer.

6.       Certain Federal Income Tax Consequences
         ---------------------------------------

         The receipt of cash in exchange  for Shares  pursuant to the Offer will
be a taxable  transaction  for Federal  income tax  purposes  under the Internal
Revenue  Code of 1986,  as  amended  (the  "Code"),  and may  also be a  taxable
transaction under applicable  state,  local or foreign income or other tax laws.
Generally,  for  federal  income tax  purposes,  a  tendering  stockholder  will
recognize  gain or loss  equal to the  difference  between  the  amount  of cash
received by the stockholder pursuant to the Offer and the aggregate tax basis in
the Shares tendered by the stockholder and purchased pursuant to the Offer,


                                       10

<PAGE>


         If Shares are held by a  stockholder  as capital  assets,  gain or loss
recognized by the stockholder will be capital gain or loss. Such capital gain or
loss will be  long-term  if such  stockholder's  holding  period  for the Shares
exceeds one year and  short-term in all other cases.  Long term capital gains of
an individual stockholder is generally subject to a maximum tax rate of 20%.

         A  stockholder  that  tenders  Shares  may be  subject  to  31%  backup
withholding  unless the  stockholder  provides its TIN and  certifies  that such
number is correct or properly  certifies that it is awaiting a TIN, or unless an
exemption   applies.   Exemptions  are  available  for  stockholders   that  are
corporations  and for certain foreign  individuals  and entities.  A stockholder
that does not furnish a required TIN may be subject to a penalty  imposed by the
IRS.

         If backup  withholding  applies to a  stockholder,  the  Depositary  is
required to withhold 31% from payments to such stockholder.  Backup  withholding
is not an additional tax.  Rather,  the amount of the backup  withholding can be
credited  against the federal  income tax liability of the person subject to the
backup withholding,  provided that the required information is given to the IRS.
If backup withholding results in an overpayment of tax, a refund can be obtained
by the stockholder upon filing an income tax return.

         THE FOREGOING  DISCUSSION MAY NOT BE APPLICABLE  WITH RESPECT TO SHARES
         RECEIVED  PURSUANT  TO  THE  EXERCISE  OF  EMPLOYEE  STOCK  OPTIONS  OR
         OTHERWISE AS  COMPENSATION OR WITH RESPECT TO HOLDERS OF SHARES WHO ARE
         SUBJECT TO  SPECIAL  TAX  TREATMENT  UNDER THE CODE,  SUCH AS  NON-U.S.
         PERSONS,  LIFE  INSURANCE  COMPANIES,   TAX-EXEMPT   ORGANIZATIONS  AND
         FINANCIAL INSTITUTIONS, AND MAY NOT APPLY TO OTHER HOLDERS OF SHARES IN
         LIGHT OF THEIR  INDIVIDUAL  CIRCUMSTANCES.  STOCKHOLDERS  ARE  URGED TO
         CONSULT  THEIR  OWN  TAX  ADVISORS  TO  DETERMINE  THE  PARTICULAR  TAX
         CONSEQUENCES  TO THEM  (INCLUDING  THE  APPLICATION  AND  EFFECT OF ANY
         STATE, LOCAL OR FOREIGN INCOME AND OTHER TAX LAWS) OF THE OFFER.

7.       Price Range of the Shares
         -------------------------

         The Shares are listed and traded  principally  on the Nasdaq  Small Cap
Market System under the symbol "HTXA".  The following table sets forth,  for the
fiscal years ended  December  31, 1997 and  December 31, 1998,  the high and low
sales prices per Share as reported in the  Company's  Annual Report on Form 10-K
for the year ended  December  31,  1998.  The high and low share  prices for the
period beginning January 1, 1999 and ending on March 18, 1999 were obtained from
published sources.

    
                                       11

<PAGE>

<TABLE>
<CAPTION>


        <S>                    <C>       <C>                       <C>                  <C>                    <C>    

                                          Period Ended
                                         March 18, 1999
                                         --------------


        1999                   High          $ 1.937
                               Low           1.437
          
                                                                          Quarter Ended
                                                                          -------------

                                            March 31              June 30              Sept. 30               Dec. 31
                                            --------              -------              --------               -------
        1998                   High        $ 2.125               $ 2.438               $ 2.125               $ 2.125
                               Low           1.469                 1.688                 1.000                 1.250

        1997                   High          3.375                 3.875                 4.000                 3.375
                               Low           2.500                 2.375                 2.938                 1.563

</TABLE>

8.       Purpose of the Offer-Plans for the Company;  Effect of the Offer on the
         -----------------------------------------------------------------------
         Market for the Shares; Stock Quotation; Exchange Act Registration
         -----------------------------------------------------------------

         Purpose  of the Offer.  The  Purchaser  is  controlled  by Mr.  Bernard
         ---------------------
Paulson, the Acting Chief Executive Officer and a director of the Company. As of
the date hereof,  Mr.  Paulson is the  beneficial  owner of 42,000 shares of the
Company's Common Stock,  which represents  approximately 0.9% of the outstanding
Shares. Mr. Paulson would like to increase his investment in the Company and has
caused this Offer to be made in order to allow all  shareholders the opportunity
to sell their Shares at a price above recent  levels of the market price for the
Shares.  Mr.  Paulson is active in the  formulation  and  implementation  of the
Company's  strategies  and  policies.  If the Purchaser  were to acquire  Shares
pursuant to the Offer,  Mr.  Paulson's  ability to formulate and implement those
strategies and policies might be enhanced.

         In addition, the Purchaser,  from time to time, intends to evaluate and
review the Company's assets,  operations,  management and personnel and consider
what, if any,  changes would be desirable in light of  circumstances  which then
exist (which may include an assessment of industry  trends and  conditions,  and
general economic and market circumstances  prevailing at the time).  Thereafter,
the Purchaser may, among other things, seek to (i) acquire additional securities
of the  Company,  enter  into an  extraordinary  transaction  such as a  merger,
reorganization  or  liquidation  of the  Company,  (ii) sell or transfer  all or
substantially  all of the Company's  assets,  (iii) change the Company's current
board of  directors  (including  changing  the number or term of directors or to
fill  any   existing   vacancies   on  the  board),   (iv)  change  the  present
capitalization  or dividend  policy of the Company,  (v)  materially  change the
Company's business or corporate structure, (vi) change the Company's charter and
by-laws,  (vii) cause the Company's  Common Stock to be delisted from the Nasdaq
Stock  Market,  (viii) cause the Company's  Common Stock to become  eligible for
termination of registration  under the Exchange Act, or (ix) take action similar
to any of those enunciated above. While the Purchaser  currently has no plans or
proposals  to  implement  such  changes,  there  can be no  assurance  that  the
Purchaser would not seek to implement such changes in the future.

         Market for the Shares. The purchase of Shares pursuant to the Offer may
         ---------------------
reduce the  number of  holders  of Shares  and the  number of Shares  that might
otherwise  trade  publicly and could  adversely  affect the liquidity and market
value of the remaining Shares held by the public.


                                       12

<PAGE>

         Stock  Quotation.  Depending  upon the  aggregate  market value and per
         ----------------
Share price of any Shares not purchased pursuant to the Offer, the Shares may no
longer meet the standards of the National  Association  of  Securities  Dealers,
Inc. (the "NASD") for continued designation for the Nasdaq Small Cap Market. The
maintenance  of such  designation  requires  that an issuer  meet the  following
criteria. The issuer must have (a) at least 500,000 shares publicly held, (b) at
least 300 shareholders of round lots, (c) a market value of publicly held shares
of at least $1  million,  (d) a minimum  bid price per share of $1, (e) at least
two  registered  and active  market makers for its shares and either (f) (i) net
tangible  assets of at least $2 million,  (f) (ii) market  capitalization  of at
least $35 million,  or (f) (iii) a net income of at least $500,000 in the latest
fiscal year or in two of the last three fiscal  years.  Shares held  directly or
indirectly by directors,  officers or beneficial  owners of more than 10% of the
Shares outstanding are not considered as being publicly held for this purpose.

         If, as a result of the  purchase  of  Shares  pursuant  to the Offer or
otherwise,  the Shares no longer meet the requirements of the NASD for continued
inclusion  in the  Nasdaq  Small Cap  Market or in any other  tier of the Nasdaq
Stock Market,  and the Shares are no longer  included in Nasdaq Small Cap Market
or in any other tier of the Nasdaq Stock Market, the market for the Shares could
be adversely affected.

         In the event the Shares no longer meet the requirements of the NASD for
continued  inclusion in any tier of the Nasdaq Stock Market, it is possible that
Shares  would  continue to trade in the  over-the-counter  market and that price
quotations  would be reported by other sources.  The extent of the public market
for the Shares and the availability of such quotations  would,  however,  depend
upon the number of holders of Shares  remaining  at such time,  the  interest in
maintaining  a market in Shares on the part of  securities  firms,  the possible
termination of  registration  of the Shares under the Exchange Act, as described
below, and other factors.

         Exchange Act  Registration.  The Shares are currently  registered under
         --------------------------
the  Exchange  Act.  Registration  of the Shares  under the  Exchange Act may be
terminated  upon  application of the Company to the Commission if the Shares are
neither listed on a national securities exchange nor held by 300 or more holders
of record.  Termination  of  registration  of the Shares  under the Exchange Act
would  substantially  reduce the  information  required to be  furnished  by the
Company  to its  stockholders  and to the  Commission  and  would  make  certain
provisions of the Exchange Act no longer applicable to the Company,  such as the
short-swing profit recovery provisions of Section 16(b) of the Exchange Act, the
requirement  of  furnishing a proxy  statement  pursuant to Section 14(a) of the
Exchange  Act  in  connection  with  stockholders'   meetings  and  the  related
requirement of furnishing an annual report to stockholders  and the requirements
of  Rule  13e-3  under  the  Exchange  Act  with  respect  to  "going   private"
transactions.  Furthermore,  the  ability of  "affiliates"  of the  Company  and
persons  holding  "restricted  securities"  of the  Company  to  dispose of such
securities pursuant to Rule 144 or 144A promulgated under  the Securities Act of
1933 may be impaired or eliminated.


                                       13

<PAGE>

9.       Certain Information Concerning the Company         
         ------------------------------------------

         The Company is a Delaware corporation with its principal offices at 722
Burleson Street, Corpus Christi, Texas 78402. The Company which was incorporated
on December 28, 1973 is a specialty  chemical company engaged in the business of
manufacturing  and  marketing  mineral  products for use as pigments and pigment
extenders used in the manufacture of paints, industrial coatings and plastics.

         Set forth below is certain selected consolidated  financial information
with respect to the Company and its subsidiaries  excerpted from the information
contained  in the  Company's  Annual  Report  on Form  10-K for the  year  ended
December  31, 1998 (the  "Company  1998  10-K").  More  comprehensive  financial
information is included in the Company 1998 10-K,  and the following  summary is
qualified  in its  entirety by reference to the Company 1998 10-K and such other
documents  and all the  financial  information  (including  any  related  notes)
contained  therein.  The Company  1998 10-K and such other  documents  should be
available for  inspection  and copies thereof should be obtainable in the manner
set forth below under "Available Information".


<TABLE>
<CAPTION>


                                                                           Year Ended December 31,
                                                                           -----------------------
<S>                                                            <C>                           <C>    

                                                                   1998                          1997
                                                                   ----                          ----
Income Statement Data:

  Net Sales.................................................   $11,747,034                   $11,242,590
  Operating Income..........................................       946,263                       982,262
  Net Income................................................       970,133                       945,155
  Fully Diluted Earnings Per Share..........................          0.21                          0.21
                                  


                                                                           Year Ended December 31,
                                                                           -----------------------

                                                                   1998                          1997
                                                                   ----                          ----
Balance Sheet Data:

  Total Assets..............................................     $11,616,517                   $11,247,469
  Total Current Assets......................................       8,437,539                     7,755,497
  Total Current Liabilities.................................       1,571,972                     1,546,844
  Total Long Term Liabilities...............................            -                          626,213
  Total Shareholder's Equity................................      10,044,545                     9,074,412
                            


</TABLE>

         Available  Information.  The  Company is  subject to the  informational
         ----------------------
requirements  of the Exchange Act and, in accordance  therewith,  is required to
file reports  relating to its business,  financial  condition and other matters.
Information  as of  particular  dates  concerning  the  Company's  directors and
officers,  their  remuneration,  stock options and other matters,  the principal
holders of the Company's securities and any material interest of such persons in
transactions  with the Company is disclosed  in the  Company's  proxy  statement
dated April 15, 1998, and filed with the Commission.  Such information should be
available for inspection at the public reference facilities of the Commission at
Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington,  D.C. 20549, and
at the regional  offices of the Commission  located at Seven World Trade Center,
Suite 1300,  New York, NY 10048 and Citicorp  Center,  500 West Madison  Street,
Suite 1400,  Chicago,  IL 60661. Copies of such information should be obtainable
from the Public Reference Section of the Commission  upon  payment of prescribed


                                       14

<PAGE>

fees.  Such material  should also be available for  inspection at the offices of
Nasdaq Operations,  1735 K Street, N.W., Washington,  D.C. 20006. The Commission
also  maintains  a  worldwide  web  site at  http://www.sec.gov  which  contains
reports, proxy and information statements and other information about companies,
including the Company, that file electronically.

         Except as otherwise  stated in this Offer to Purchase,  the information
concerning  the  Company  contained  herein  has been  taken  from or based upon
publicly  available  documents on file with the  Commission  and other  publicly
available  information.  Although the Purchaser does not have any knowledge that
any such  information  is  untrue,  Purchaser  takes no  responsibility  for the
accuracy or completeness  of such  information or for any failure by the Company
to disclose  events that may have  occurred and may affect the  significance  or
accuracy of any such information.

10.      Certain Information Concerning the Purchaser
         --------------------------------------------

         Purchaser,  a Delaware limited liability  company,  was formed on March
18,  1999  for  the  purpose  of  consummating   the  Offer.  The  Purchaser  is
wholly-owned  limited liability company of the Paulson Ranch,  Ltd.. The general
partner  of the  Paulson  Ranch is Paulson  Ranch  Management,  L.L.C.,  a Texas
limited liability company.  The members of Paulson Ranch Management,  L.L.C. are
Mr.  Bernard A. Paulson and his wife.  Mr.  Paulson is a director and the acting
Chief Executive Officer of the Company. Over the past two years, Mr. Paulson has
acquired 42,000 shares of the Company's common stock.  Neither the Purchaser nor
to  the  Purchaser's  knowledge  any  of  the  members,  executive  officers  or
affiliates of the  Purchaser,  nor any  associates of the foregoing has effected
any transaction in any class of the Company's  securities  during the sixty days
prior to the date hereof.

11.      Source and Amount of Funds
         --------------------------

         The total amount of funds  required by the Purchaser to consummate  the
Offer is expected to be  approximately  $2,625,000 which amount includes related
fees and  expenses.  Such amount will be funded by a capital  contribution  from
Paulson  Ranch.  Paulson  Ranch has net assets in excess of $5  million  and net
liquid assets in excess of $3 million.  For more  information  on the Purchaser,
Paulson  Ranch  and  Mr.  Paulson,  see  "Certain  Information   Concerning  the
Purchaser" and Schedule I.

         In  addition,  Paulson  Ranch has  obtained a  commitment  letter,  the
proceeds at which may be used to purchase  Shares in the  Offering.  Pursuant to
the commitment  letter, the lender has agreed to make available to the Purchaser
a credit  facility  consisting  of a term loan in an amount  not to exceed  $2.5
million,  subject to the  execution  of  definitive  loan  document  in form and
substance satisfactory to the lender. While the Offering is not conditioned upon
the Purchaser  obtaining such financing,  the Purchaser may draw funds from such
credit  facility to purchase  Shares in the Offering.  There can be no assurance
that the  Purchaser  will be able to enter into such  credit  facility or obtain
funds from another source.


                                       15

<PAGE>

12.      Contacts and Transactions with the Company; Background of the Offer
         -------------------------------------------------------------------

         Since January 1, 1996,  Mr.  Paulson has had the following  discussions
with the Company and its affiliates concerning matters related to the Offering.

         On  September  14,  1998,  a  representative  of  one  of  the  largest
shareholders  of the Company  indicated to Mr.  Paulson its desire to reduce its
investment in the Company.

         On February 26, 1999, Mr. Paulson had further discussions with the same
person about the  possibility  of Mr.  Paulson  acquiring some or all the Shares
held by such shareholder.

         At a meeting of the Company's  Board of Directors on March 2, 1999, Mr.
Paulson informed the Board that he was considering  increasing his investment in
Company and that he was exploring the possibility of making the Offer.

         After that Board meeting,  Mr. Paulson and the  representative  of such
large  shareholder  had several  discussions  concerning the  possibility of Mr.
Paulson  acquiring  some  or all of the  Shares  held by  such  shareholder.  No
agreements or understandings were reached with such large shareholder concerning
Mr.  Paulson  purchasing any of such Shares.  There were no further  discussions
between Mr. Paulson and such representative or shareholder after March 8, 1999.

         On March 23, 1999, the Purchaser commenced the Offer.

         Other  arrangements.  Except as  described  in this  Offer to  Purchase
         -------------------
(including Schedule I hereto),  neither the Purchaser nor, to the best knowledge
of  the  Purchaser,  any of  the  members,  executive  officers,  principals  or
affiliates or associates of the Purchaser, beneficially owns any equity security
of the  Company,  and none of the  Purchaser  nor, to the best  knowledge of the
Purchaser,  any of the other persons referred to above, or any of the respective
principals,  affiliates  or  associates  of  the  foregoing,  has  effected  any
transaction in any equity security of the Company during the past 60 days.

         Except as described  in this Offer to  Purchase,  as of the date hereof
(a) there have not been any contacts,  transactions or negotiations  between the
Purchaser or, to the best knowledge of the Purchaser,  any of the persons listed
in Schedule I hereto,  on the one hand, and the Company or any of its directors,
officers or  affiliates,  on the other hand,  that are  required to be disclosed
pursuant  to the rules and  regulations  of the  Commission  and (b) none of the
Purchaser nor, to the best knowledge of the Purchaser, any of the persons listed
in  Schedule  I  hereto  has  any  contract,   arrangement,   understanding   or
relationship with any person with respect to any securities of the Company.

13.      Certain Conditions of the Offer
         -------------------------------

         Notwithstanding any other term of the Offer, the Purchaser shall not be
required  to  accept  for  payment,  or,  subject  to any  applicable  rules and
regulations  of the  Commission,  including Rule 14e-1(c) under the Exchange Act
(relating to the  Purchaser's  obligation to pay for or return  tendered  shares
after  the  termination  or  withdrawal  of the  Offer),  to pay for any  Shares
tendered pursuant to the Offer, and may amend or terminate the Offer or postpone

                                       16

<PAGE>

the  acceptance  for  payment,  the  purchase  of,  and/or  (subject to any such
applicable  rules  and  regulations  of  the  Commission)  payment  for,  Shares
tendered,  if at any time at or before the time of payment  for any such  Shares
(whether or not any Shares shall  theretofore  have been accepted for payment or
paid pursuant to the Offer) any of the following conditions exists:

         (a) there  shall  have been any  action or  proceeding  brought  by any
governmental  authority  before  any  federal  or state  court,  or any order or
preliminary or permanent  injunction  entered in any action or proceeding before
any  federal  or  state  court or  governmental,  administrative  or  regulatory
authority or agency,  located or having jurisdiction within the United States or
any country or economic region in which the Company, directly or indirectly, has
material  assets  or  operations,   or  any  other  action  taken,  proposed  or
threatened, or statute, rule, regulation, legislation,  interpretation, judgment
or order proposed, sought, enacted, entered, promulgated, amended or issued that
is  applicable  to  Purchaser,  the Company or any  subsidiary  or  affiliate of
Purchaser  or  the  Company  or  the  Offer,  by any  legislative  body,  court,
government or  governmental,  administrative  or regulatory  authority or agency
located  or having  jurisdiction  within  the  United  States or any  country or
economic  region in which the  Company,  directly or  indirectly,  has  material
assets or operations,  which could reasonably be expected to have the effect of:
(i) making illegal, or otherwise restraining or prohibiting or making materially
more costly,  the making of the Offer,  the  acceptance  for payment of, payment
for,  or  ownership,  directly  or  indirectly,  of some of or all the Shares by
Purchaser, (ii) prohibiting or materially limiting the ownership or operation by
the Company or any of its subsidiaries, or (iii) imposing or confirming material
limitations  on the ability of  Purchaser  effectively  to acquire or hold or to
exercise full rights of ownership of Shares including,  without limitation,  the
right to vote any Shares acquired or owned by Purchaser on all matters  properly
presented to the  stockholders  of the Company,  (iv)  requiring  divestiture by
Purchaser,  directly or indirectly, of any Shares; or (v) which could reasonably
be expected to materially adversely affect the business,  financial condition or
results of  operations of the Company and its  subsidiaries  (if any) taken as a
whole or the value of the Shares or of the Offer to Purchaser; or


         (b) there shall have occurred (i) the delisting of the Company's Common
Stock from the Nasdaq Stock Market,  (ii) any general  suspension of trading in,
or limitation on prices for,  securities on any national  securities exchange or
in the over-the-counter market in the United States, (iii) a decline of at least
25% in either  the Dow Jones  Average  of  Industrial  Stocks or the  Standard &
Poor's 500 index from that existing at the close of business on the date hereof,
(iv)  any  material  adverse  change  or any  condition,  event  or  development
involving  a  prospective  material  adverse  change in  United  States or other
material international currency exchange rates or a suspension of, or limitation
on, the markets  therefor,  (v) a  declaration  of a banking  moratorium  or any
suspension  of  payments  in  respect of banks in the  United  States,  (vi) any
limitation  (whether  or not  mandatory)  by  any  government  or  governmental,
administrative or regulatory authority or agency, domestic or foreign on, or any
other event that materially  adversely affects, the extension of credit by banks
or  other  lending  institutions,  or  (vii) a  commencement  of a war or  armed
hostilities or other national or international  calamity  directly or indirectly
involving  the United  States  which  would  reasonably  be  expected  to have a
material  adverse  effect on the  Company  or  materially  adversely  affect (or
materially delay) the consummation of the Offer; or

                                       17

<PAGE>


         (c) any change (or any  condition,  event or  development  involving  a
prospective  change)  shall have  occurred or been  threatened  in the business,
properties,   liabilities,   capitalization,   stockholders'  equity,  financial
condition,   operations,  licenses  or  franchises,  results  of  operations  or
prospects of the Company or any of its subsidiaries or affiliates, which, in the
sole judgment of the Purchaser,  is or may be materially  adverse to the Company
or any of its  subsidiaries  or affiliates,  or the Purchaser  shall have become
aware of any facts which, in the sole judgment of the Purchaser, has or may have
material  significance  with  respect to the value of the  Company or any of its
subsidiaries or affiliates or the value of the Common Stock to the Purchaser; or

         (d) the  Company or any of its  subsidiaries  shall  have,  on or after
January 1, 1999,  (i) split,  combined or otherwise  changed,  or  authorized or
proposed  the split,  combination  or other  change of the  Common  Stock or its
capitalization,  (ii) purchased, acquired or otherwise caused a reduction in the
number  of,  or  authorized  or  proposed  the  purchase,  acquisition  or other
reduction  in the number of, any  presently  outstanding  Common  Stock or other
securities, (iii) issued, distributed, sold or pledged, or authorized,  proposed
or  announced  the  issuance,  distribution,  sale or pledge of, (A)  additional
shares of any other  class of  capital  stock,  other  voting  securities,  debt
securities or any securities convertible into Common Stock, or rights,  warrants
or options,  conditional or otherwise,  to acquire any of the  foregoing,  other
than Common Stock  reserved for issuance as of January 1, 1999 under  options in
accordance with their terms as publicly  disclosed as of January 1, 1999, or (B)
any other  securities in respect of, in lieu of, or in  substitution  for Common
Stock outstanding on January 1, 1999, (iv) declared, paid or proposed to declare
or pay any dividend or distribution  on any Common Stock or issued,  authorized,
recommended or proposed the issuance of any other distribution in respect of the
Common Stock, whether payable in cash, securities or other property, (v) altered
or proposed  to alter any  material  term of any  outstanding  securities,  (vi)
incurred any debt other than in the ordinary  course of business and  consistent
with  past  practice  or  any  debt  containing  burdensome   covenants,   (vii)
authorized,  recommended,  proposed, entered into, or announced its intention to
enter  into or  effect  any  merger,  consolidation,  liquidation,  dissolution,
business combination, acquisition of assets or securities, disposition of assets
or securities,  release or relinquishment  of any material  contractual or other
right of the Company or any of its  subsidiaries or any agreement  contemplating
any of the  foregoing or any  comparable  events not in the  ordinary  course of
business, (viii) authorized, recommended, proposed or entered into, or announced
its intention to authorize,  recommend,  propose or enter into, any  transaction
which in the Purchaser's sole opinion could adversely affect either the value of
the Company or any of its  subsidiaries  or the value of the Common Stock,  (ix)
entered into any employment, severance or similar agreement, arrangement or plan
with any of its  employees  other than in the  ordinary  course of business  and
consistent  with past  practice  or  entered  into or  amended  any  agreements,
arrangements  or  plans  so  as  to  provide  for  increased   benefits  to  the
employees-as a result of or in connection with the transactions  contemplated by
the Offer or any other  change in control of the  Company,  (x) except as may be
required by law,  taken any action to terminate  or amend any  employee  benefit
plan (as defined in Section 3(2) of the Employee  Retirement Income Security Act
of 1974, as amended) of the Company or any of its subsidiaries, or the Purchaser
shall have become aware of any such action which was not previously disclosed in
publicly available filings,  (xi) proposed,  adopted or authorized any amendment
to the Certificate of Incorporation  or the By-laws of the Company,  or prepared



                                       18

<PAGE>


adopted  or  authorized  a  shareholder  rights  plan or  "poison  pill," or the
Purchaser shall become aware that the Company shall have proposed or adopted any
such amendment or shareholder  rights plan or "poison pill" which shall not have
been previously  disclosed,  or (xii) agreed in writing or otherwise to take any
of the foregoing actions; or

         (e) the Purchaser shall become aware (1) that any material  contractual
right of the Company or any of its  subsidiaries or affiliates shall be impaired
or otherwise  adversely  affected or that any material amount of indebtedness of
the Company or any of its  subsidiaries  shall become  accelerated  or otherwise
become due prior to its stated due date,  in either case with or without  notice
or the lapse of time or both, as a result of the  transactions  contemplated  by
the Offer, or (ii) of any covenant, term or condition in any of the Company's or
any of its subsidiaries' instruments or agreements that are or may be materially
adverse  to the  value  of  the  Common  Stock  in the  hands  of the  Purchaser
(including,  but not limited to, any event of default that may ensue as a result
of the  consummation  of the Offer,  or any other business  combination,  or the
acquisition of control of the Company); or

         (f) a tender or  exchange  offer for any Common  Stock  shall have been
commenced  or publicly  proposed  to be made by another  person  (including  the
Company  or any of its  subsidiaries  or  affiliates),  or it  shall  have  been
publicly  disclosed or the Purchaser  shall have otherwise  learned that (i) any
person,  entity  (including  the Company or its  subsidiaries  or affiliates) or
"group" (as defined in Section 13(d)(3) of the Exchange Act) shall have acquired
or proposed or be attempting to acquire  beneficial  ownership of more than five
percent of any class or series of capital  stock of the Company  (including  the
Common  Stock),  or shall  have  been  granted  any  option,  warrant  or right,
conditional  or  otherwise,  to acquire  beneficial  ownership of more than five
percent of any class or series of capital  stock of the Company  (including  the
Common Stock),  other than  acquisitions  for bona fide  arbitrage  purposes and
other than  acquisitions  by persons or groups who have publicly  disclosed such
ownership  in a Schedule  13D or 13G (or  amendments  thereto)  on file with the
Commission on or prior to January 1, 1999, (ii) any such person, entity or group
which prior to January 1, 1999 has publicly  disclosed any such ownership  shall
have acquired or proposed to acquire  additional  shares  constituting more than
one percent of any class or series of capital  stock of the  Company  (including
the Common  Stock),  or shall have been  granted any  option,  warrant or right,
conditional  or  otherwise,  to  acquire  more than one  percent of any class or
series of capital stock of the Company  (including the Common Stock),  (iii) any
new group was, or is, formed which  beneficially  owns more than five percent of
the  outstanding  shares  of any class or  series  of the  capital  stock of the
Company  (including  the Common Stock),  (iv) any person,  entity or group shall
have entered into a definitive  agreement or an agreement in principle or made a
proposal  with respect to a tender  offer or exchange  offer for some portion or
all of the Common Stock or a merger, consolidation or other business combination
with or involving the Company, or (v) any person shall have filed a Notification
and Report Form under the Hart-Scott-Rodino  Antitrust Improvements Act of 1976,
as  amended,  and the  regulations  promulgated  thereunder,  or  made a  public
announcement reflecting an intent to acquire the Company or assets or securities
of the Company;  which, in the sole. judgment of the Purchaser, in any case, and
regardless  of the  circumstances  (including  any  action  or  inaction  by the
Purchaser)  giving rise to any such  condition,  makes it inadvisable to proceed
with the Offer or with such acceptance for payment or payment.


                                       19

<PAGE>

         The foregoing  conditions are for the sole benefit of Purchaser and may
be asserted by Purchaser regardless of the circumstances giving rise to any such
condition or may be waived by Purchaser in whole or in part at any time and from
time to time in its sole  discretion.  The failure by  Purchaser  at any time to
exercise  any of the  foregoing  rights shall not be deemed a waiver of any such
right,  the waiver of any such right with respect to particular  facts and other
circumstances  shall not be deemed a waiver with  respect to any other facts and
circumstances,  and each such right shall be deemed an ongoing right that may be
asserted at any time and from time to time. Any  determination  by the Purchaser
concerning  the  events  in this  Section  13 will be final and  binding  on all
parties.

14.      Certain Legal Matters
         ---------------------

         Except as set forth in this  Section 14, the  Purchaser is not aware of
any filings,  approvals or other actions by any domestic or foreign governmental
or  administrative  agency that would be required  prior to the  acquisition  of
Shares by the Purchaser pursuant to the Offer. Should any such approval or other
action be required, it is the Purchaser's present intention that such additional
approval or action  would be sought.  While there is no present  intent to delay
the purchase of Shares  tendered  pursuant to the Offer  pending  receipt of any
such  additional  approval  or the  taking of any such  action,  there can be no
assurance  that any such  additional  approval  or action,  if needed,  would be
obtained without substantial  conditions or that adverse  consequences might not
result  to the  Company's  business,  or that  certain  parts  of the  Company's
business might not have to be disposed of or held separate or other  substantial
conditions  complied  with in order to obtain such  approval  or action,  any of
which  could  cause  the  Purchaser  to elect to  terminate  the  Offer  without
purchasing Shares thereunder. The Purchaser's obligation to purchase and pay for
Shares is subject to certain  conditions.  See Section 13 for certain conditions
to the Offer.

Section  203  of  the  Delaware  General  Corporation  Law.  Section  203 of the
- ----------------------------------------------------------    Delaware   General
Corporation  Law  ("DGCL")  provides  that a  Delaware  corporation  such as the
Company may not engage in any Business Combination (defined to include a variety
of transactions,  including a merger) with any Interested  Stockholder  (defined
generally as any person that,  directly or indirectly,  beneficially owns 15% or
more of the outstanding voting stock of the corporation), or any affiliate or an
Interested  Stockholder,  for three years after the date on which the Interested
Stockholder  became an Interested  Stockholder.  The  three-year  prohibition on
Business  Combinations with Interested  Stockholders (the "Business  Combination
Prohibition")  does not  apply  if  certain  conditions,  described  below,  are
satisfied.  In the event that the purchaser  acquires at least 656,624 Shares in
the Offer,     Mr.  Paulson,  not     the  Purchaser,     Paulson  Ranch and Mr.
Paulson,      would be  deemed  to be     an      Interested     Stockholder    
   Stockholders    .

         The  Business  Combination  Prohibition  does not apply to a particular
Business   Combination  between  a  corporation  and  a  particular   Interested
Stockholder  if (i)  prior to the date  such  Interested  Stockholder  became an
Interested  Stockholder,  the board of  directors of such  corporation  approves
either  the  Business  Combination  or the  transaction  which  resulted  in the
stockholder becoming an Interested Stockholder, or (ii) upon consummation of the
transaction   which   resulted  in  the   stockholder   becoming  an  Interested
Stockholder,  the Interested  Stockholder owned at least 85% of the voting stock
of the corporation outstanding at the time the transaction commenced,  excluding
for purposes of determining the number of shares  outstanding those shares owned


                                       20

<PAGE>

by (x) persons who are directors and also officers and (y) employee  stock plans
in which employee participants do not have the right to determine confidentially
whether shares held subject to the plan will be tendered in a tender or exchange
offer,  or  (iii)  on or  subsequent  to the date  the  stockholder  becomes  an
Interested  Stockholder,  the Business  Combination  is approved by the board of
directors of such  corporation and authorized at an annual or special meeting of
stockholders,  and not by written  consent,  by the affirmative vote of at least
66-2/3% of the  outstanding  voting  stock which is not owned by the  Interested
Stockholder.

         The foregoing summary of Section 203 of the DGCL does not purport to be
complete and is qualified  in its  entirety by  reference to the  provisions  of
Section 203 of the DGCL.

          Upon  consummation  of the Offer,  if the  Purchaser  acquires all the
Shares  in  the  Offer,     Mr.  Paulson  will  beneficiarlly       each  of the
Purchaser, Paulson Ranch and Mr. Paulson could be deemed to beneficially     own
approximately  21.5% of the  Shares  outstanding  based on the  number of Shares
outstanding as of February 9, 1999. Accordingly, upon consummation of the Offer,
   the  Purchaser,  Paulson  Ranch  and      Mr.  Paulson  may be subject to the
Business Combination  Prohibition.  The Purchaser may ask the Company to adopt a
resolution  approving  the  Offer  prior to the  consummation  of the  Offer for
purposes of Section 203.  There can be no  assurance  that the  Company's  Board
would adopt such a resolution.

         Other State  Takeover  Laws. A number of states  throughout  the United
         ---------------------------
States have enacted takeover  statutes that purport,  in varying degrees,  to be
applicable  to  attempts  to  acquire   securities  of  corporations   that  are
incorporated  or have  assets,  stockholders,  executive  offices  or  places of
business in such states. In Edgar v. MITE Corp., the Supreme Court of the United
                            -------------------
States held that the  Illinois  Business  Takeover  Act,  which  involved  state
securities laws that made the takeover of certain  corporations  more difficult,
imposed  a  substantial   burden  on  interstate   commerce  and  therefore  was
unconstitutional.  In CTS Corp.  v.  Dynamics  Corp.  of America,  however,  the
                      -----------------------------
Supreme  Court of the  United  States  held  that a state  may,  as a matter  of
corporate law and, in particular,  those laws concerning  corporate  governance,
constitutionally disqualify a potential acquirer from voting on the affairs of a
target  corporation  without  prior  approval  of  the  remaining  stockholders,
provided  that  such  laws  were  applicable  only  under  certain   conditions.
Subsequently,  a number of Federal  courts  ruled that  various  state  takeover
statutes   were   unconstitutional   insofar  as  they  apply  to   corporations
incorporated outside the state of enactment.

         The Purchaser does not believe that any other state  takeover  statutes
purport to apply to the Offer. The Purchaser has not currently complied with any
state  takeover  statute or  regulation.  The  Purchaser  reserves  the right to
challenge the applicability or validity of any state law purportedly  applicable
to the Offer and  nothing  in this  Offer to  Purchase  or any  action  taken in
connection  with the  Offer is  intended  as a waiver  of such  right.  If it is
asserted  that any state  takeover  statute  is  applicable  to the Offer and an
appropriate  court  does not  determine  that it is  inapplicable  or invalid as
applied  to  the  Offer,  the  Purchaser  might  be  required  to  file  certain
information with, or to receive approvals from, the relevant state  authorities,
and the  Purchaser  might be unable  to accept  for  payment  or pay for  Shares
tendered pursuant to the Offer, or be delayed in consummating the Offer. In such
case, the Purchaser may not be obligated to accept payment or pay for any Shares
tendered pursuant to the Offer.


                                       21

<PAGE>

15.      Fees and Expenses
         -----------------

         The Purchaser has retained  Founders  Equity Group,  Inc. to act as the
Information  Agent and to serve as the Depositary in connection  with the Offer.
The Information  Agent and the Depositary will receive  reasonable and customary
compensation for their services,  and will be reimbursed for certain  reasonable
out-of-pocket  expenses  and be  indemnified  against  certain  liabilities  and
expenses in connection  therewith,  including  certain  liabilities and expenses
under the Federal securities laws.

         The  Purchaser  will not pay any fees or  commissions  to any broker or
dealer or other person  (other than the  customary  compensation  payable to the
Information  Agent and the Depositary as set forth above) in connection with the
solicitation of tenders of Shares pursuant to the Offer. Brokers, dealers, banks
and trust  companies  will be  reimbursed  by the  Purchaser  upon  request  for
customary mailing and handling expenses incurred by them in forwarding  material
to their customers.

16.      Miscellaneous
         -------------

         The Offer is not being made to (nor will tenders be accepted from or on
behalf of holders of Shares in any jurisdiction in which the making of the Offer
or the  acceptance  thereof  would  not be in  compliance  with the laws of such
jurisdiction. The Purchaser is not aware of any jurisdiction in which the making
of the Offer or the acceptance  thereof would not be in compliance with the laws
of such jurisdiction. To the extent the Purchaser becomes aware of any state law
that would limit the class of offerees in the Offer, the Purchaser may amend the
Offer and,  depending  on the timing of such  amendment,  if any, may extend the
Offer to provide adequate dissemination of such information to holders of Shares
prior to the expiration of the Offer. In any jurisdiction  the securities,  blue
sky or other laws of which require the Offer to be made by a licensed  broker or
dealer,  the Offer shall be deemed to be made on behalf of the  Purchaser by one
or  more  registered  brokers  or  dealers  licensed  under  the  laws  of  such
jurisdiction.

         NO PERSON HAS BEEN  AUTHORIZED TO GIVE ANY  INFORMATION  OR TO MAKE ANY
         REPRESENTATION  ON BEHALF OF THE PURCHASER  NOT CONTAINED  HEREIN OR IN
         THE LETTER OF TRANSMITTAL  AND, IF GIVEN OR MADE,  SUCH  INFORMATION OR
         REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED.

         The Purchaser has filed with the Commission the Schedule 14D-1 pursuant
to Rule 14d-3 under the Exchange Act, together with exhibits, furnishing certain
additional  information  with  respect  to the  Offer,  and may file  amendments
thereto.

                                 PAULSON ACQUISITION LLC

                                 March 23, 1999




                                       22

<PAGE>



                                   SCHEDULE I

                  PRINCIPALS OF THE PURCHASER AND PAULSON RANCH

         Purchaser,  a Delaware limited liability  company,  was formed on March
18,  1999  for  the  purpose  of  consummating   the  Offer.  The  Purchaser  is
wholly-owned  limited  liability  company of the Paulson  Ranch,  Ltd.,  a Texas
Limited  Partnership.  The general partner of the Paulson Ranch, Ltd. is Paulson
Ranch  Management,  L.L.C., a Texas limited  liability  company.  The members of
Paulson Ranch  Management,  L.L.C.  are Mr. Bernard A. Paulson and his wife. Mr.
Paulson is a director  and the acting  Chief  Executive  Officer of the Company.
   The  Purchaser,  Paulson  Ranch,  and  Mr.  Paulson  could  be  deemed  to be
affiliates of the Company.     Over the past two years, Mr. Paulson has acquired
42,000 shares of the  Company's  Common Stock.  Neither the  Purchaser,  Paulson
Ranch nor Mr.  Paulson,  nor to their  knowledge  any of the members,  executive
officers,  principals, or affiliates or associates of the foregoing has effected
any transaction in any class of the Company's  securities  during the sixty days
prior to the date hereof.

         The name,  age,  business  address,  present  principal  occupation  or
employment  and five-year  employment  history of the principal of Purchaser and
Paulson Ranch are set forth below. Unless otherwise  indicated,  the occupation,
office or position of employment listed opposite the individual's name were held
by such  individual  during the last five years.  The  business  address of such
individual is c/o Hitox  Corporation  of America,  722 Burleson  Street,  Corpus
Christi,  Texas 78402.  The  individual  listed below is a citizen of the United
States.


NAME, AGE AND BUSINESS ADDRESS         PRESENT PRINCIPAL OCCUPATION
                                       OF EMPLOYMENT AND FIVE-YEAR
                                       EMPLOYMENT HISTORY

Bernard A. Paulson,                    Mr. Paulson has been a director of the
Hitox Corporation of America           Company since March, 1992 and acting
722 Burleson Street                    Chief Executive Officer of the Company
Corpus Christi, Texas  78402           since October, 1997.  Mr. Paulson is also
                                       a director of Orion Refining Corp. and is
                                       Chairman of the Board of Directors of The
                                       Automation Group, Inc.  From September,
                                       1996 to January, 1999, Mr. Paulson was
                                       Chairman of the Board of Directors and
                                       Chief Executive Officer of The Inspection
                                       Group, Inc.



                                       23
<PAGE>


         Manually signed  facsimile  copies of the Letter of Transmittal will be
accepted.  The  Letter of  Transmittal,  certificates  for  Shares and any other
required  documents  should  be sent or  delivered  by each  stockholder  of the
Company or such stockholder's broker, dealer,  commercial bank, trust company or
other nominee to the Depositary at one of its addresses set forth below.


                        The Depositary for the Offer is:

                           Founders Equity Group, Inc.


 By Mail, Hand or Overnight Delivery:           By Facsimile Transmission:
    Tender & Exchange Department                       (214) 871-0088
       2602 McKinney Avenue
           Suite 220                  Confirm Receipt of Facsimile by Telephone
       Dallas, Texas 75204                             (888) 858-7303




   Questions and requests for assistance or for additional  copies of this Offer
to Purchase, the Letter of Transmittal and the Notice of Guaranteed Delivery may
be directed to the Information  Agent, the telephone numbers and location listed
below. You may also contact your broker, dealer,  commercial bank, trust company
or other nominee for assistance concerning the Offer.

                     The Information Agent for the Offer is:

                           Founders Equity Group, Inc.
                              2602 McKinney Avenue
                                    Suite 220
                               Dallas, Texas 75204
                                1-(888) 858-7303
                                       or
                           Call Collect (214) 871-3000



                                       24


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