AMENDMENT NO. 1 TO STOCK PURCHASE AGREEMENT
                                       
    AMENDMENT NO. 1, DATED AS OF JULY 30, 1997 (THE "AMENDMENT") TO STOCK 
PURCHASE AGREEMENT, dated as of June 20, 1997 (the "Agreement") by and among 
Suiza Foods Corporation, a Delaware corporation (the "Buyer"), Garelick 
Farms, Inc., a Massachusetts corporation ("Garelick"), Fairdale Farms, Inc., 
a Vermont corporation ("Fairdale"), Grant's Dairy, Inc., a Maine corporation 
("Grant's"), Miscoe Springs, Inc., a Massachusetts corporation ("Miscoe," and 
together with Fairdale, Garelick and Grant's, the "Fluids Companies"), 
Plastics Management Group, LLC, a Massachusetts Limited Liability Company, 
Marlborough Plastics, Inc., a Massachusetts corporation, Maine Plastics, 
Inc., a Maine corporation, First Capital Plastics, Inc., a Pennsylvania 
corporation, Sherman Plastics, Inc. a Texas corporation, New Jersey Plastics 
Inc., a New Jersey corporation, Illinois Plastics, Inc., an Illinois 
corporation, Allentown Plastics Inc., a Pennsylvania corporation, Kentwood 
Plastics, Inc., a Louisiana corporation, Franklin Plastics, Inc., a 
Massachusetts corporation, Richmond Container, Inc., a Virginia corporation, 
North Carolina Plastics, Inc., a North Carolina corporation, Florida 
Plastics, Inc., a Florida corporation, Chester County Container Corporation, 
a Pennsylvania corporation, Atlanta Container, Inc., a Georgia corporation, 
Ohio State Plastics, Inc., an Ohio corporation and Middlesex Plastics, Inc., 
a Connecticut corporation (collectively, the "Plastics Companies" and 
together with the Fluids Companies, the "Companies") and the parties whose 
names are set forth on EXHIBIT A attached hereto (the "Sellers").

    WHEREAS, the parties hereto desire to modify certain terms and conditions 
of the Agreement as specifically set forth in this Amendment;

    NOW, THEREFORE, in consideration of the foregoing and for other good and 
valuable consideration, the receipt and sufficiency of which are hereby 
acknowledged, the parties hereto agree as follows:

    A.   AMENDMENTS TO THE AGREEMENT.

    1.   The second "WHEREAS" clause in the preamble of the Agreement is 
hereby amended by deleting the same in its entirety and inserting in lieu 
thereof the following:

              "WHEREAS, the Sellers desire to sell to the Buyer, and
              the Buyer desires to purchase from the Sellers, all of
              the issued and outstanding Common Stock and limited
              liability company interests of each of the Companies
              other than Miscoe, and pursuant to the Agreement and
              Plan of Merger referred to herein, the Buyer will
              acquire all of the issued and outstanding Common Stock
              of Miscoe;"

    2.   Section 1.02(a) of the Agreement is hereby amended (i) by deleting 
the following:



         "set forth on EXHIBIT A hereto, constituting all of the issued and
         outstanding Common Stock and limited liability company interests of
         the Companies"

         and inserting in lieu thereof the following:

         "set forth on EXHIBIT A hereto (other than the shares of Miscoe set
         forth on EXHIBIT A hereto), constituting all of the issued and
         outstanding Common Stock and limited liability company interests of
         the Companies (other than Miscoe)" 

         and (ii) by deleting "446,100" and inserting in lieu thereof
         "148,700".

    3.   Section 1.02(d) of the Agreement is hereby amended by adding after 
the first sentence thereof the following sentence:  

         "The March 31, 1997 balance sheet shall exclude from current assets an
         aggregate of $1,193,160 of loans made to shareholders of the Companies
         or their affiliates".

    4.   Section 1.02(g) of the Agreement is hereby amended by inserting 
after the semicolon that precedes "Estimated Expansion Capex" therein the 
following:  

         ", plus actual out-of-pocket expenses incurred by the Sellers and
         their affiliates in connection with the purchase of such real
         property, the transfer of such real property to its current owner, and
         the transfer of such property by its current owner to Fairdale, which
         expenses shall not exceed $30,000 in the aggregate".

    5.   Section 1.03 of the Agreement is hereby amended by deleting 
therefrom the following:  

         ", (ii) deliver 297,400 shares Buyer Common Stock having the benefit
         of the provisions of the Buyer Equityholders Agreement (as hereinafter
         defined) as unrestricted shares thereunder and (iii)" 

         and inserting in lieu thereof "and (ii))".

                                      -2-


6.  The following shall be added as a new Article IA to the Agreement:

                                 "ARTICLE IA
                                       
                     MISCOE AGREEMENT AND PLAN OF MERGER
                                       
         Miscoe, the Buyer and Miscoe Springs Acquisition Corp., a newly formed
         subsidiary of the Buyer, have entered into an Agreement and Plan of
         Merger, dated as of July 31, 1997 (the "Miscoe Merger Agreement"),
         pursuant to which a wholly-owned subsidiary of the Buyer shall be
         merged with and into Miscoe, with Miscoe the surviving entity in such
         merger.  In connection with such merger, the outstanding Shares of
         Miscoe shall be converted into 297,400 shares of the Buyer Common
         Stock and Miscoe shall become a wholly-owned subsidiary of the Buyer. 
         The representations, warranties and covenants of the parties to this
         Agreement have been made in contemplation of the Miscoe Merger
         Agreement and the transactions contemplated thereby."

    7.   Section 2.01 of the Agreement is hereby amended by deleting the 
fourth sentence thereof in its entirety and inserting in lieu thereof the 
following:  

         "Upon the sale of the Shares of the Companies (other than Miscoe) to
         the Buyer at Closing pursuant to this Agreement, the Sellers will
         transfer to the Buyer the entire legal and beneficial interest in all
         such Shares, free and clear of any Encumbrances by or through the
         Sellers."

    8.   Section 3.08(a)(ix) of the Agreement is hereby amended by deleting 
therefrom the following:

         "; and"

         and inserting in lieu thereof the following:

         ", other than agreements entered into in the ordinary course of
         business; and"

    9.   Section 6.01 of the Agreement is hereby amended by adding as a new 
subparagraph (g), and Section 6.02 of the Agreement is hereby amended by 
adding as a new subparagraph (m), the following:

         "The merger contemplated by the Miscoe Merger Agreement shall have
         become effective simultaneously with the Closing hereunder."

                                      -3-


    10.  The Agreement is hereby amended by deleting EXHIBIT A thereto in its 
entirety and inserting in lieu thereof the EXHIBIT A attached hereto.

    11.  Section 2.01 of the Disclosure Schedule is hereby amended by 
deleting therefrom "none" and inserting in lieu thereof "The Miscoe Merger 
Agreement".

    12.  Section 3.08 of the Disclosure Schedule is hereby amended by 
inserting after Item VIII.9. the following:

         "Pursuant to Garelick's redemption of shares of capital stock from
         Ronnie Bernon, Garelick is obligated to pay to Ms. Bernon following
         the Closing of the transactions contemplated hereby a contingent
         redemption price of $900,000 (which shall reduce Adjusted Working
         Capital for purposes of determining the purchase price pursuant to
         Article I of the Agreement)."

    13.  The Agreement (including the Exhibits and Schedules thereto, as well 
as all closing documents necessary for the consummation of the transactions 
contemplated by the Agreement), is hereby amended by deleting therefrom all 
references to "Middlesex Container" and inserting in lieu of each reference 
thereto "Middlesex Plastics".  

    B.   RATIFICATION, ETC.  Except as otherwise expressly set forth herein, 
all terms and conditions of the Agreement are hereby ratified and confirmed 
and shall remain in full force and effect.  Except as expressly set forth 
herein, nothing herein shall be construed to be an amendment or a waiver of 
any requirements of the Agreement.  All references in the Agreement to the 
Agreement shall, from and after the date hereof, be deemed to be references 
to the Agreement as amended by this Amendment.

    C.   COUNTERPARTS.  This Amendment may be executed in two or more 
counterparts, each of which shall be deemed an original and all of which 
together shall constitute one and the same instrument.

    D.   GOVERNING LAW.  This Amendment shall be governed by the laws of The 
Commonwealth of Massachusetts (regardless of the laws that might otherwise 
govern under applicable Massachusetts principles of conflict of law) as to 
all matters, including but not limited to matters of validity, construction, 
effect, performance and remedies. 

                        * * * * * * * * * * * * * * *

                                      -4-


    IN WITNESS WHEREOF, the parties hereto have executed this Amendment as an 
instrument under seal to be effective as of the date first above written.

BUYER:

                            SUIZA FOODS CORPORATION

                            By: /s/ Gregg L. Engles
                                -------------------------------------
                                Name:   Gregg L. Engles
                                Title:  Chairman of the Board and
                                        Chief Executive Officer

                            FLUIDS COMPANIES:

                            GARELICK FARMS, INC.

                            By:  /s/ Peter M. Bernon 
                                -------------------------------------

                            FAIRDALE FARMS, INC.

                            By:  /s/ Peter M. Bernon 
                                -------------------------------------

                            GRANT'S DAIRY, INC.

                            By:  /s/ Peter M. Bernon 
                                -------------------------------------

                            MISCOE SPRINGS, INC.

                            By:  /s/ Peter M. Bernon 
                                -------------------------------------

                                     -5-


                            PLASTICS COMPANIES:

                            PLASTICS MANAGEMENT GROUP, 
                            LLC, a Massachusetts Limited Liability 
                            Company,

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            MARLBOROUGH PLASTICS, INC. 

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            MAINE PLASTICS, INC. a Maine Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            FIRST CAPITAL PLASTICS, INC., a 
                            Pennsylvania Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            SHERMAN PLASTICS, INC., a Texas 
                            Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            NEW JERSEY PLASTICS, INC., a New 
                            Jersey Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                                      -6-


                            ILLINOIS PLASTICS, INC., an Illinois Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            ALLENTOWN PLASTICS INC., a Pennsylvania Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            KENTWOOD PLASTICS, INC., a Louisiana Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            FRANKLIN PLASTICS, INC.

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            RICHMOND CONTAINER, INC., a Virginia Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            NORTH CAROLINA PLASTICS, INC., a 
                            North Carolina Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                                      -7-


                            FLORIDA PLASTICS, INC., a Florida Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            CHESTER COUNTY CONTAINER 
                            CORPORATION, a Pennsylvania 
                            Corporation

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            ATLANTA CONTAINER, INC.

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            OHIO STATE PLASTICS, INC.

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                            MIDDLESEX PLASTICS, INC.

                            By:  /s/ Alan J. Bernon  
                                -------------------------------------

                                      -8-


                            SELLERS:

                            /s/ Peter M. Bernon 
                            ----------------------------------------------
                            Peter M. Bernon

                            /s/ Alan J. Bernon  
                            ----------------------------------------------
                            Alan J. Bernon

                            QSST FOR THE BENEFIT OF JACQUELINE BERNON

                            /s/ Peter M. Bernon 
                            ----------------------------------------------
                            By:                         , Trustee

                            /s/ Alan J. Bernon  
                            ----------------------------------------------
                            By:                         , Trustee

                            /s/ Jonathan R. Bernon   
                            ----------------------------------------------
                            By:                         , Trustee

                            QSST FOR THE BENEFIT OF ALEXANDER BERNON

                            /s/ Drew P. Kaplan  
                            ----------------------------------------------
                            By:                          , Trustee

                            /s/ Alan J. Bernon  
                            ----------------------------------------------
                            By:                          , Trustee

                            /s/ Jonathan R. Bernon   
                            ----------------------------------------------
                            By:                          , Trustee


                                      -9-


                            QSST FOR THE BENEFIT OF DAVID BERNON

                            /s/ Drew P. Kaplan  
                            ----------------------------------------------
                            By:                             , Trustee

                            /s/ Alan J. Bernon  
                            ----------------------------------------------
                            By:                             , Trustee

                            /s/ Jonathan R. Bernon   
                            ----------------------------------------------
                            By:                             , Trustee


                            QSST FOR THE BENEFIT OF PAUL BERNON

                            /s/ Drew P. Kaplan  
                            ----------------------------------------------
                            By:                             , Trustee

                            /s/ Alan J. Bernon  
                            ----------------------------------------------
                            By:                             , Trustee

                            /s/ Jonathan R. Bernon   
                            ----------------------------------------------
                            By:                             , Trustee


                            QSST FOR THE BENEFIT OF CHARLES BERNON

                            /s/ Drew P. Kaplan  
                            ----------------------------------------------
                            By:                             , Trustee

                            /s/ Alan J. Bernon  
                            ----------------------------------------------
                            By:                             , Trustee

                            /s/ Jonathan R. Bernon   
                            ----------------------------------------------
                            By:                             , Trustee



                                     -10-