MONROC INC
PREM14A, 1998-03-06
CONCRETE, GYPSUM & PLASTER PRODUCTS
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                                  SCHEDULE 14A
                                 (Rule 14a-101)

                     INFORMATION REQUIRED IN PROXY STATEMENT

                            SCHEDULE 14A INFORMATION

           Proxy Statement Pursuant to Section 14(a) of the Securities
                      Exchange Act of 1934 (Amendment No. )

Filed by the Registrant |X|
Filed by a Party other than the Registrant | |
Check the appropriate box:
|X| Preliminary Proxy Statement  | |   Confidential, For Use of the Commission
                                       Only (as permitted by Rule 14a-6(e)(2))
| | Definitive Proxy Statement
| | Definitive Additional Materials
| | Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12

                                  Monroc, Inc.
                (Name of Registrant as Specified in Its Charter)

    (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):
         | | No fee required.
         |X| Fee computed on table below per Exchange Act Rules
  14a-6(i)(1) and 0-11.

     (1) Title of each class of securities to which transaction applies:  Common
Stock, $.01 par value.

     (2) Aggregate number of securities to which transaction applies:  4,514,200
shares of Common  Stock and  options  and  warrants  to  acquire  an  additional
1,916,850 shares of Common Stock.

     (3) Per unit  price  or other  underlying  value  of  transaction  computed
pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee
is calculated and state how it was  determined):  $10.771 per share and for each
option or  warrant,  an amount  equal to the  number of shares  subject  to such
option or warrant  multiplied by the difference  between (x) $10.771 and (y) the
exercise price per share of such option or warrant.

     (4) Proposed maximum aggregate value of transaction: $57,600,000

     (5) Total fee paid: $11,520.00

     | | Fee paid previously with preliminary materials:


     | | Check box if any part of the fee is offset as provided by Exchange  Act
Rule  0-11(a)(2)  and identify the filing for which the  offsetting fee was paid
previously.  Identify the previous filing by registration  statement  number, or
the form or schedule and the date of its filing.

     (1) Amount previously paid:

     (2) Form, Schedule or Registration Statement no.:

     (3) Filing Party:

     (4) Date Filed:


                                  MONROC, INC.
                             1730 North Beck Street
                           Salt Lake City, Utah 84116

                                                            __________ ___, 1998


Dear Stockholder:

     You are cordially  invited to attend a Special Meeting of Stockholders (the
"Special Meeting") of Monroc,  Inc., a Delaware  corporation  ("Monroc"),  to be
held on __________  ___, 1998, at 10:00 a.m.,  local time, at the Little America
Hotel, 500 South Main Street, Salt Lake City, Utah.

     At the  Special  Meeting,  you will be asked to  consider  and vote  upon a
proposal  to approve  and adopt an Amended and  Restated  Agreement  and Plan of
Merger dated as of January 29, 1998 and amended and restated as of March 4, 1998
(the  "Merger  Agreement")  among  Monroc,  U.S.  Aggregates,  Inc.,  a Delaware
corporation ("USAI"), and Western Acquisition,  Inc., a Delaware corporation and
a subsidiary of USAI ("Sub"),  which  provides for the merger (the  "Merger") of
Sub with and into Monroc,  with Monroc  continuing as the surviving  corporation
and a subsidiary of USAI. Under the terms of the Merger Agreement, if the Monroc
stockholders  approve the Merger (i) each outstanding share of common stock, par
value $.01 per share,  of Monroc (the "Common Stock") will be converted into the
right to  receive  $10.771 in cash and (ii) each  option or warrant to  purchase
shares of Common  Stock  will be  cancelled  in  consideration  for the right to
receive in cash an amount  equal to the number of shares  subject to such option
or warrant multiplied by the difference between (x) $10.771 and (y) the exercise
price of such option or warrant, less any applicable tax withholdings. A copy of
the  Merger  Agreement  is  attached  as  Appendix A to the  accompanying  Proxy
Statement.

     The  Merger  Agreement  and the  Merger  are more  fully  described  in the
accompanying  Proxy Statement,  including  factors which should be considered in
connection  with  your  vote  on the  Merger.  Please  review  this  information
carefully.

     After careful consideration,  the Monroc Board of Directors has unanimously
determined  that the terms of the  proposed  Merger are fair to, and in the best
interests of, Monroc and its stockholders.  In reaching its  determination,  the
Board of Directors  considered,  among other things,  the opinion of SBC Warburg
Dillon  Read  Inc.,  Monroc's  financial  advisor,  as to  the  fairness  of the
consideration to be received by the holders of Common Stock in the Merger from a
financial  point of view.  Accordingly,  the Board of Directors has  unanimously
approved the Merger  Agreement  and the  transactions  contemplated  thereby and
recommends  that you vote FOR approval and adoption of the Merger  Agreement and
the transactions contemplated thereby.

     Approval and adoption of the Merger Agreement requires the affirmative vote
of a majority of the  outstanding  shares of Common Stock of the Company.  As of
________,  1998 (the  record  date for the  Special  Meeting),  BCCP I, L.P.,  a
California  limited  partnership  ("BCCP I"), owned  1,650,000  shares of Common
Stock  (representing  approximately  36.6% of the  outstanding  shares of Common
Stock).  Pursuant to a separate voting  agreement,  BCCP I has agreed to vote in
favor of approval  and  adoption of the Merger  Agreement  and the  transactions
contemplated  thereby.  Holders of Common  Stock will be entitled  to  appraisal
rights  under  Delaware  law in  connection  with the Merger as described in the
accompanying Proxy Statement.

     Your  participation in the Special Meeting,  whether by person or by proxy,
is  important.  To ensure your shares are  represented  at the Special  Meeting,
please complete,  sign and date the accompanying  proxy card and promptly return
it in the  enclosed  prepaid  envelope,  whether  or not you plan to attend  the
Special  Meeting.  If you are  present  at the  meeting  you may,  if you  wish,
withdraw your proxy and vote in person.

                             Sincerely,



                             RONALD D. DAVIS
                             President and Chief Executive Officer


                                  MONROC, INC.
                             1730 North Beck Street
                           Salt Lake City, Utah 84116


                    NOTICE OF SPECIAL MEETING OF STOCKHOLDERS
                       To Be Held on ___________ ___, 1998



To the Stockholders of MONROC, INC.:

     NOTICE IS HEREBY GIVEN that a Special Meeting of Stockholders (the "Special
Meeting") of Monroc,  Inc., a Delaware corporation  ("Monroc"),  will be held at
the Little America Hotel,  500 South Main Street,  Salt Lake City, Utah at 10:00
a.m., local time, on _______ ___, 1998, for the following purposes:

          1. To  consider  and vote  upon a  proposal  to  approve  and adopt an
     Amended and Restated  Agreement  and Plan of Merger dated as of January 29,
     1998 and amended and restated as of March 4, 1998 (the "Merger  Agreement")
     among Monroc, U.S. Aggregates,  Inc., a Delaware corporation ("USAI"),  and
     Western Acquisition,  Inc., a Delaware corporation and a subsidiary of USAI
     ("Sub"),  which provides for the merger (the "Merger") of Sub with and into
     Monroc,  with  Monroc  continuing  as  the  surviving   corporation  and  a
     subsidiary of USAI. Under the terms of the Merger Agreement,  if the Monroc
     stockholders  approve  the  Merger,  (i) each  outstanding  share of common
     stock,  par value $.01 per share,  of Monroc (the  "Common  Stock") will be
     converted into the right to receive $10.771 in cash and (ii) each option or
     warrant  to  purchase   shares  of  Common   Stock  will  be  cancelled  in
     consideration  for the  right to  receive  in cash an  amount  equal to the
     number of  shares  subject  to such  option or  warrant  multiplied  by the
     difference between (x) $10.771 and (y) the exercise price of such option or
     warrant,  less  any  applicable  tax  withholdings.  A copy  of the  Merger
     Agreement is attached as Appendix A to the accompanying Proxy Statement.

          2. To consider and transact  such other  business as may properly come
     before the Special Meeting or any adjournment or postponement thereof.

     The Board of  Directors  of Monroc  has  fixed  the  close of  business  on
______________,   1998  as  the  record  date  (the   "Record   Date")  for  the
determination  of stockholders  entitled to notice of and to vote at the Special
Meeting or any adjournment or postponement  thereof. Only stockholders of record
at the close of  business  on the Record  Date are  entitled to notice of and to
vote at the Special Meeting and any  adjournments or  postponements  thereof.  A
list of such  stockholders  will be available  for  inspection at the offices of
Monroc  located at 1730 North Beck Street,  Salt Lake City,  Utah,  at least ten
days prior to the Special Meeting.

     Approval of the Merger requires the  affirmative  vote of a majority of the
outstanding shares of Common Stock of the Company. THE MONROC BOARD OF DIRECTORS
UNANIMOUSLY  RECOMMENDS  YOU  VOTE  FOR  APPROVAL  AND  ADOPTION  OF THE  MERGER
AGREEMENT.  Holders of Common  Stock as of the Record  Date will be  entitled to
appraisal  rights under Delaware law in connection with the Merger as more fully
described in the accompanying Proxy Statement.

     Whether or not you plan to attend the Special Meeting, please execute, date
and return  promptly the enclosed form of proxy.  A return  envelope is enclosed
for your convenience and requires no postage for mailing in the United States.

                             By Order of the Board of Directors,



                             L. WILLIAM RANDS
                             Vice President--Finance, Chief Financial Officer,
                             Treasurer and Secretary

_______________, 1998


                             YOUR VOTE IS IMPORTANT

TO VOTE YOUR SHARES,  PLEASE SIGN, DATE AND COMPLETE THE ENCLOSED PROXY AND MAIL
IT PROMPTLY IN THE ENCLOSED RETURN ENVELOPE.

                  SUBJECT TO COMPLETION, dated March ___, 1998

                                   MONROC, INC

                         Special Meeting of Stockholders

                        To Be Held on ________ ___, 1998


                                 PROXY STATEMENT


     This Prospectus is being furnished to the  stockholders of Monroc,  Inc., a
Delaware  corporation  ("Monroc"  or the  "Company"),  in  connection  with  the
solicitation  of  proxies  by the Monroc  Board of  Directors  to be used at the
Special  Meeting of  Stockholders  of the Company (the "Special  Meeting") to be
held on _________ ____,  1998, at 10:00 a.m.,  local time, at the Little America
Hotel, 500 South Main Street, Salt Lake City, Utah.

     At the Special  Meeting,  the  stockholders of the Company will be asked to
consider  and vote upon a proposal to approve and adopt an Amended and  Restated
Agreement  and Plan of Merger  dated as of  January  29,  1998 and  amended  and
restated  as of March 4,  1998  (the  "Merger  Agreement")  among  Monroc,  U.S.
Aggregates,  Inc., a Delaware  corporation  ("USAI"),  and Western  Acquisition,
Inc., a Delaware  corporation  and a subsidiary of USAI ("Sub"),  which provides
for the  merger  (the  "Merger")  of Sub  with  and  into  Monroc,  with  Monroc
continuing as the  surviving  corporation  and a subsidiary  of USAI.  Under the
terms of the Merger  Agreement,  (i) each outstanding share of common stock, par
value $.01 per share,  of Monroc (the Common  Stock") will be converted into the
right to receive  $10.771  in cash (the  "Merger  Consideration")  and (ii) each
option or warrant  to  purchase  shares of Common  Stock  will be  cancelled  in
consideration  for the right to receive in cash an amount equal to the number of
shares subject to such option or warrant  multiplied by the  difference  between
(x) $10.771  and (y) the  exercise  price of such  option or  warrant,  less any
applicable  tax  withholdings.  A copy of the Merger  Agreement  is  attached as
Appendix A to this Proxy Statement.

     After careful consideration,  the Monroc Board of Directors has unanimously
determined  that the terms of the  proposed  Merger are fair to, and in the best
interests of, Monroc and its stockholders.  In reaching its  determination,  the
Board of Directors  considered,  among other things,  the opinion of SBC Warburg
Dillon Read Inc. ("SBC Warburg Dillon Read"),  Monroc's financial advisor, as to
the fairness of the  consideration to be received by the holders of Common Stock
in the  Merger  from a  financial  point  of  view.  ACCORDINGLY,  THE  BOARD OF
DIRECTORS HAS  UNANIMOUSLY  APPROVED THE MERGER  AGREEMENT AND THE  TRANSACTIONS
CONTEMPLATED  THEREBY AND RECOMMENDS  THAT YOU VOTE FOR APPROVAL AND ADOPTION OF
THE MERGER AGREEMENT AND THE TRANSACTIONS CONTEMPLATED THEREBY.

     Approval and adoption of the Merger Agreement requires the affirmative vote
of a majority of the  outstanding  shares of Common Stock of the Company.  As of
________,  1998 (the  record  date for the  Special  Meeting),  BCCP I, L.P.,  a
California  limited  partnership  ("BCCP I"), owned  1,650,000  shares of Common
Stock  (representing  approximately  36.6% of the  outstanding  shares of Common
Stock).  Pursuant to a separate voting  agreement,  BCCP I has agreed to vote in
favor of approval  and  adoption of the Merger  Agreement  and the  transactions
contemplated  thereby.  Holders of Common  Stock will be entitled  to  appraisal
rights  under  Delaware  law in  connection  with the Merger as described in the
accompanying Proxy Statement.

     A copy of the  Company's  Annual  Report on Form 10-K for the  fiscal  year
ended December 31, 1997 accompanies this Proxy Statement.

     This  Proxy  Statement,  the  accompanying  Notice of Special  Meting,  the
accompanying  proxy and the other  enclosed  documents are first being mailed or
delivered  to the  stockholders  of  Monroc  on or  about  _____________,  1998.
Stockholders  of the  Company are urged to consider  carefully  the  information
contained in this Proxy Statement.



     The date of this Proxy Statement is _______________, 1998.


                                TABLE OF CONTENTS

                                                                            Page

SUMMARY.......................................................1

SELECTED FINANCIAL INFORMATION................................5

MARKET PRICES AND DIVIDENDS...................................6

THE COMPANY...................................................7

THE SPECIAL MEETING...........................................7
       General................................................7
       Record Date............................................8
       Quorum.................................................8
       Vote Required..........................................8
       Appraisal Rights.......................................9
       Proxies................................................9

THE MERGER....................................................9
       Background of the Merger...............................9
       Recommendation of the Board of Directors of
        the Company; Reasons for the Merger..................14
       Opinion of Monroc's Financial Advisor.................16
       Certain Effects of the Merger.........................19
       Interests of Certain Persons in the Merger............19
       Certain Federal Income Tax Consequences...............21
       Regulatory Approvals..................................23
       Accounting Treatment..................................23

THE MERGER AGREEMENT.........................................23
       The Merger............................................23
       Conversion of Securities; Treatment of Options........24
       Payment for Shares....................................24
       Directors and Officers of the Company.................25
       Representations and Warranties........................25
       Conduct of Business; Certain Covenants................25
       No Solicitation.......................................26
       Proxy Statement; Special Meeting......................26
       Standstill............................................26
       Indemnification and Insurance.........................26
       Fees and Expenses.....................................27
       Conditions to the Merger..............................27
       Termination...........................................28
       Termination Fees......................................28
       Voting Agreement......................................29

APPRAISAL RIGHTS.............................................29

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
       AND MANAGEMENT OF MONROC..............................32

AVAILABLE INFORMATION........................................33

INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE..............34

INDEPENDENT PUBLIC ACCOUNTANTS...............................34

STOCKHOLDER PROPOSALS FOR 1998 ANNUAL MEETING................34

OTHER MATTERS................................................35

APPENDIX A--Amended and Restated Agreement and Plan of Merger

APPENDIX B--Opinion of SBC Warburg Dillon Read Inc.

APPENDIX C--Section 262 of the Delaware General Corporation Law


                                     SUMMARY

     The following is a summary of certain  information  contained  elsewhere in
this Proxy Statement. Reference is made to, and this summary is qualified in its
entirety by, the more  detailed  information  contained  elsewhere in this Proxy
Statement and the Appendices  hereto.  Stockholders  are urged to read carefully
this Proxy  Statement and its Appendices in their entirety  before voting on the
matters discussed  herein.  As used herein,  the terms "Monroc" or the "Company"
refer to Monroc,  Inc.,  including,  unless the context otherwise requires,  its
subsidiaries,  and the term "USAI" refers to U.S. Aggregates,  Inc.,  including,
unless the context otherwise requires, its subsidiaries.

Monroc

     Monroc produces and sells to the construction  industry ready-mix concrete,
prestressed and precast concrete building  components,  sand and gravel products
and  accessories  for the  concrete  trade.  The Company owns 38 plants in Utah,
Idaho  and  Wyoming,  and its  products  are sold in Utah,  Idaho,  Wyoming  and
adjoining states,  including Colorado,  Nevada, Oregon, Montana and, to a lesser
extent, Washington and California.

     Monroc  was  incorporated  in 1986  as a  Delaware  corporation  and is the
successor to a Utah  corporation  organized  in 1920.  The  principal  executive
offices of the Company are  located at 1730 North Beck  Street,  Salt Lake City,
Utah, 84116, and its phone number is (801) 359-3701.

USAI

     USAI is engaged in the  business of  production,  distribution  and sale of
construction  materials,  including  aggregates  and  related  products  such as
ready-mixed  concrete,  asphaltic  bituminous  concrete  and  the  provision  of
services  such as  asphalt  paving and  construction.  The  principal  executive
offices of USAI are located at 400 South El Camino  Real,  Suite 500, San Mateo,
California 94402, and its phone number is (650) 685-4880.

The Special Meeting

     The Special  Meeting will be held on _________  ___,  1998,  at 10:00 a.m.,
local time, at the Little America Hotel, 500 South Main Street,  Salt Lake City,
Utah. At the Special Meeting, including any postponement or adjournment thereof,
stockholders  of the  Company  will be asked  to  consider  and vote  upon (i) a
proposal  to  approve  and  adopt  the  Merger  Agreement  and the  transactions
contemplated  thereby and (ii) such other  matters as may be properly be brought
before the Special Meeting.  See "The Special  Meeting--Matters to Be Considered
at the Special Meeting."

     The  close of  business  on  ________________,  1998 has been  fixed as the
record  date  (the  "Record  Date")  for  the   determination   of  the  Company
stockholders entitled to notice of and to vote at the Special Meeting. As of the
Record Date,  4,514,200  shares of Common Stock were issued and  outstanding and
entitled  to vote at the  Special  Meeting,  of  which  approximately  43%  were
beneficially owned by directors and executive officers of the Company (excluding
1,650,00  shares which may be acquired  upon the exercise of options or warrants
which are  exercisable  within 60 days of the  Record  Date).  The  holders of a
majority of the outstanding shares of Common Stock,  present either in person or
by properly executed  proxies,  will constitute a quorum at the Special Meeting.
See "The Special Meeting--Record Date," "--Quorum" and "--Proxies."

     Each  share of Common  Stock is  entitled  to one vote with  respect to all
matters  presented at the Special Meeting.  The affirmative vote of holders of a
majority of the  outstanding  shares of Common  Stock is required to approve and
adopt the Merger Agreement.  See "The Special Meeting--Vote Required." As of the
Record  Date,  BCCP I owned  1,650,000  shares  (or  approximately  36.6% of the
outstanding shares) of Common Stock.  Pursuant to a voting agreement dated as of
January 29, 1998 between  USAI and BCCP I  (the"Voting  Agreement"),  BCCP I has
agreed to vote in favor of approval and adoption of the Merger Agreement and the
transactions contemplated thereby. See "The Merger Agreement--Voting Agreement."

The Merger

     General;  Effective  Time.  Upon  consummation  of the Merger,  Sub will be
merged with and into the Company and the Company will  continue as the surviving
corporation and a subsidiary of USAI. The Merger will become  effective upon the
filing of the  Certificate of Merger with the Delaware  Secretary of State or at
such later time as  designated  in the  Certificate  of Merger  (the  "Effective
Time"). See "The Merger Agreement--The Merger."

     Conversion of Securities. At the Effective Time, each share of Common Stock
issued and  outstanding  immediately  prior to the  Effective  Time  (other than
shares owned by the Company,  USAI or any direct or indirect  subsidiary of USAI
and shares as to which appraisal  rights have been perfected,  and not withdrawn
or otherwise lost, under the Delaware General Corporation Law (the "DGCL")) will
be converted into the right to receive $10.771 in cash without interest thereon.
See "The Merger Agreement--Conversion of Securities; Treatment of Options."

     Treatment of Options.  Immediately  prior to the Effective Time, each stock
option (an "Option")  granted under the Monroc,  Inc. 1996 Stock Option Plan and
the Monroc,  Inc.  1994 Stock  Option Plan and each  outstanding  warrant of the
Company  (a  "Warrant"),   whether  or  not  such  Option  or  Warrant  is  then
exercisable,  shall be canceled, and each holder of a canceled Option or Warrant
shall be entitled to receive from the Company, in consideration for cancellation
and settlement of such Option or Warrant, a cash payment equal to the product of
(i) the  aggregate  number of shares of Common  Stock  subject  to the Option or
Warrant  and (ii) the  excess,  if any,  of the  Merger  Consideration  over the
exercise  price per share of such Option or Warrant.  Any amounts  payable  with
respect to Options or Warrants  shall be subject to any required  withholding of
taxes and shall be paid without interest. See "The Merger  Agreement--Conversion
of Securities; Treatment of Options."

     Recommendation of the Board of Directors.  The Company's Board of Directors
has determined  that the Merger  Agreement and the Merger are fair to and in the
best interests of the Company's  stockholders,  and has unanimously approved the
Merger Agreement and the transactions  contemplated  thereby.  Accordingly,  the
Board of  Directors  unanimously  recommends a vote FOR approval and adoption of
the  Merger  Agreement  and  the  transactions   contemplated   thereby  by  the
stockholders of the Company.  In determining to approve the Merger Agreement and
the transactions  contemplated thereby and to recommend that stockholders of the
Company approve the Merger Agreement and the transactions  contemplated thereby,
the Board of Directors  considered  a number of factors as more fully  described
under "The Merger --Recommendation of the Company's Board of Directors;  Reasons
for the Merger."

       Opinion of Monroc's Financial  Advisor.  On January 29, 1998, SBC Warburg
Dillon Read, the Company's  financial advisor,  delivered its written opinion to
the  Company's  Board of  Directors  to the effect  that,  as of such date,  the
consideration  payable in the Merger is fair, from a financial point of view, to
the stockholders of the Company.  See "The Merger--Opinion of Monroc's Financial
Advisor." The full text of the written opinion of SBC Warburg Dillon Read, which
sets forth certain  assumptions made,  matters considered and limitations on the
review undertaken in connection with the opinion,  is attached as Appendix B and
is  incorporated  herein by reference.  Stockholders of the Company are urged to
read the opinion of SBC Warburg Dillon Read carefully in its entirety.  See "The
Merger--Opinion of Monroc's Financial Advisor."

     Conditions  to the  Merger.  The  obligations  of the  Company  and USAI to
consummate  the Merger are subject to the  satisfaction  of certain  conditions,
including,  among others,  (i) the approval and adoption of the Merger Agreement
by the  affirmative  vote of the Company  stockholders,  (ii) the absence of any
statute,  rule,  regulation,  decree,  order or  injunction by any United States
federal or state  government,  governmental  agency or  authority or court which
prohibits, restrains, enjoins or restricts the consummation of the Merger, (iii)
any  waiting  period  applicable  to the  consummation  of the Merger  under the
Hart-Scott-Rodino  Antitrust  Improvements Act 1976, as amended (the "HSR Act"),
shall have  expired or been  terminated,  (iv) the  performance  in all material
respects by the parties to the Merger Agreement of their  obligations  under the
Merger  Agreement,  (v) the  respective  representations  and  warranties of the
parties to the Merger Agreement being true and correct in all material  respects
and (vi) with respect to USAI's  obligations to effect the Merger, any change in
or  effect  on  the  business  of  the  Company  or  any  of  its  subsidiaries,
individually or in the aggregate,  that is materially  adverse to the results of
operations,  properties, financial condition or prospects of the Company and its
subsidiaries  taken as a whole,  except for such  changes  or effects  resulting
from, or in connection with general economic,  industry-wide or financial market
conditions or discussions or efforts of the Company,  USAI or USAI's  affiliates
to divest certain of the Company's  operations after consummation of the Merger.
See "The Merger Agreement--Conditions to the Merger."

     Other Acquisition Proposals.  Pursuant to the Merger Agreement, the Company
has  agreed  that it  will  not,  directly  or  indirectly,  solicit,  carry  on
discussions with or enter into any agreement with any corporation,  partnership,
person or other entity or group (other than USAI or an affiliate or an associate
of USAI) concerning any merger, acquisition or similar transaction involving, or
the sale of all or substantially  all of the assets or equity securities of, the
Company or any of its  subsidiaries  or  divisions  (other than with  respect to
certain   of   the   Company's   operations)   (an   "Acquisition    Proposal").
Notwithstanding  the  foregoing,  the  Company may (i)  directly or  indirectly,
furnish  information  to or enter into  discussions  and  negotiations  with any
person,  entity or group that makes an unsolicited  Acquisition  Proposal if the
Board of Directors of the Company  determines in good faith (after  consultation
with and advice from outside legal counsel) that such action is required for the
Board of Directors to comply with its fiduciary duties under applicable law, and
(ii) to the extent  applicable,  comply  with Rule  14e-2 and 14d-9  promulgated
under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), with
regard to an Acquisition Proposal. See "The Merger Agreement--No Solicitation."

     Termination.  The Merger  Agreement may be terminated and the Merger may be
abandoned at any time prior to the Effective Time, (i) by mutual written consent
duly authorized by the Boards of Directors of the Company, USAI and Sub, (ii) by
USAI or the Company if (A) the Merger is not consummated on or before August 31,
1998,  (B) the approval of the Company's  stockholders  has not been obtained by
August  31,  1998  or  (C)  any  United  States  federal  or  state  government,
governmental  agency or authority or court shall have issued an order, decree or
ruling,  or taken  any  other  action,  permanently  restraining,  enjoining  or
otherwise  prohibiting  the Merger  (which the party  seeking to  terminate  the
Merger  Agreement  shall have used its best  efforts to have lifted or reversed)
and such order,  decree,  ruling or other  action  shall have  become  final and
non-appealable,  (iii) by the Company if an  Acquisition  Proposal has been made
and the  Company's  Board of Directors  determines,  in the exercise of its good
faith  judgment that such  termination is required for the Board of Directors to
comply with its fiduciary  duties under  applicable  law, or (iv) by USAI if the
Company's  Board of Directors  withdraws or modifies in a manner adverse to USAI
or Sub its  determination  to  recommend  that the  stockholders  of the Company
approve the Merger Agreement and the transactions contemplated thereby. See "The
Merger  Agreement--Termination."  Under  certain  circumstances,   USAI  may  be
entitled to receive a  termination  fee or  reimbursement  of its  expenses or a
termination  fee upon  termination  of the  Merger  Agreement.  See "The  Merger
Agreement--Termination Fees."

     Payment for Shares. Promptly after the Effective Time, ________________, as
the payment agent (the "Payment Agent"), will mail and/or make available to each
person who was, at the  Effective  Time,  a holder of record of shares of Common
Stock, a notice and letter of transmittal and  instructions for use in effecting
the  surrender  of  the  certificates   representing   shares  of  Common  Stock
("Certificates") in exchange for the Merger  Consideration.  STOCKHOLDERS OF THE
COMPANY  SHOULD NOT FORWARD  THEIR  CERTIFICATES  TO THE PAYMENT AGENT WITHOUT A
LETTER OF  TRANSMITTAL,  AND  SHOULD  NOT  RETURN  THEIR  CERTIFICATES  WITH THE
ENCLOSED PROXY.

     Upon  surrender to the Payment Agent of a  Certificate,  together with such
letter of  transmittal  duly  executed  and  completed  in  accordance  with the
instructions  thereon,  the holder of such  Certificate  will be paid the Merger
Consideration  applicable  to the  Certificate  and  such  Certificate  shall be
canceled.  No  interest  will  be paid  or  accrued  in  respect  of the  Merger
Consideration. See "The Merger Agreement--Payment for Shares."

     Interests  of  Certain   Persons  in  the  Merger.   In   considering   the
recommendation  of the Company's  Board of Directors  with respect to the Merger
Agreement and the  transactions  contemplated  thereby,  stockholders  should be
aware that  certain  members of the Board of  Directors  and the  management  of
Monroc may have interests in the Merger that are in addition to the interests of
stockholders  of the Company  generally.  The  Company's  Board of Directors was
aware of these interests and considered them, among other factors,  in approving
the  Merger  Agreement  and the  transactions  contemplated  thereby.  See  "The
Merger--Interests of Certain Persons in the Merger."

     Certain  Effects of the  Merger.  Following  the  Merger,  USAI will be the
beneficiary  of any future  earnings  and growth of the  Company.  By  contrast,
stockholders  of the Company  will cease to have any  ownership  interest in the
Company or other rights as  stockholders.  Instead,  each such  stockholder will
receive  the Merger  Consideration  in exchange  for each share of Common  Stock
owned immediately prior to the Effective Time. See "The Merger--Certain  Effects
of the Merger."

     As a result of the Merger,  the Company  will be  privately  held and there
will be no market for its Common Stock.  Upon  consummation  of the Merger,  the
Common  Stock  will  cease to be listed on the Nasdaq  Stock  Market's  National
Market and the  registration  of the Common Stock under the Exchange Act will be
terminated. See "The Merger--Certain Effects of the Merger."

     Certain  Federal  Income Tax  Consequences.  The  Merger  will be a taxable
transaction to stockholders of the Company for U.S.  federal income tax purposes
and may also be a taxable  transaction  under applicable state,  local,  foreign
income or other tax laws as well. Generally, stockholders will recognize gain or
loss in the  Merger  in an  amount  determined  by the  difference  between  the
consideration  received  in the Merger  and their tax basis in the Common  Stock
exchanged  therefore.  STOCKHOLDERS  OF THE COMPANY SHOULD CONSULT THEIR OWN TAX
ADVISORS  REGARDING THE U.S. FEDERAL INCOME TAX  CONSEQUENCES OF THE MERGER,  AS
WELL AS ANY TAX  CONSEQUENCES  UNDER THE LAW OF ANY STATE OR  JURISDICTION.  See
"The Merger--Certain Federal Income Tax Consequences."

     Regulatory  Approvals.  The  Company  and USAI each have  filed  pre-merger
notification  forms with the Federal  Trade  Commission  and the  Department  of
Justice under the HSR Act, and the required  waiting period will expire on March
27, 1998 unless terminated at an earlier date or unless a request for additional
information is received. No other material federal or state regulatory approvals
must be obtained in order to consummate the Merger. See "The  Merger--Regulatory
Approvals."

     Appraisal Rights. Under the DGCL,  stockholders of the Company who properly
demand appraisal prior to the stockholder vote on the Merger  Agreement,  do not
vote in favor of approval of the Merger  Agreement and otherwise comply with all
of the requirements of DGCL Section 262 will be entitled to statutory  appraisal
rights.  See "Appraisal  Rights" and Section 262 of the DGCL attached  hereto as
Appendix C.

                         SELECTED FINANCIAL INFORMATION


     The following selected financial information is derived from the historical
consolidated financial statements of Monroc. The financial information set forth
below  should  be read  in  conjunction  with  Monroc's  consolidated  financial
statements,  related  notes  and other  financial  information  incorporated  by
reference in this Proxy Statement.


<TABLE>
<CAPTION>


                                  Monroc, Inc.
                     (In thousands, except per share amounts
                                   and ratios)

                                                                                     
   Nine Months Ended
                                            Fiscal Year Ended December 31,                September 30,

                                    1992      1993       1994      1995      1996         1996        1997
                                    ----      ----       ----      ----      ----         ----        ----

                                                                                             (Unaudited)

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

Consolidated Statement of
  Operations Data:
   Revenue......................   $33,237   $34,547    $41,156   $48,302   $70,401      $50,866      $47,458
   ESOP contribution............     1,125       938        800       800       800          600          600
   Operating profit (loss)......       393       937      1,160     2,512     (885)        (487)        2,237
   Net earnings (loss)..........   ($ 441)     $ 764      $ 284    $1,356  ($1,368)      ($ 926)       $1,822
                                   =======     =====      =====    ======  ========      =======       ======

   Net earnings (loss) per share   ($0.19)     $0.34      $0.11    $ 0.48  ($ 0.31)      ($0.21)       $ 0.34
                                   =======     =====      =====    ======  ========      =======       ======

   Weighted average
      common shares.............     2,290     2,236      2,612     2,835     4,467        4,467        5,684


                                                                                                As of
                                                  As of December 31,                         September 30,

                                    1992      1993       1994      1995      1996          1996       1997
                                    ----      ----       ----      ----      ----       ----------    ----
                                                                                             (Unaudited)
Consolidated Balance Sheet Data:
   Total assets.................   $19,903   $20,008    $26,578   $35,608   $40,638      $41,735      $41,034
   Long-term debt (net of current
      maturities)...............     7,137     6,772      9,031     6,591     5,161        5,014        5,222
   Stockholders' equity.........     3,389     4,923      8,306    19,238    18,671       18,912       21,086

</TABLE>


                           MARKET PRICES AND DIVIDENDS

     The Common  Stock is quoted on Nasdaq  under the symbol  "MROC."  The table
below sets forth,  for the quarterly  periods  indicated,  the high and low sale
prices per share quoted on Nasdaq for the Common  Stock.  The  information  with
respect to Nasdaq quotations reflects interdealer prices, without retail markup,
markdown or commissions and may not represent actual transactions.


                                     Monroc
                                  Common Stock
                                      High             Low

1996:
   First Quarter..................   $ 55/8          $ 41/8
   Second Quarter.................    53/8              4 1/2
   Third Quarter..................     6 1/4           45/8
   Fourth Quarter.................    63/8              4 1/2

1997:
   First Quarter..................    $ 6 1/2         $ 5 1/4
   Second Quarter.................     9 3/4            6 1/4
   Third Quarter..................    127/8             9 1/4
   Fourth Quarter.................    121/8            97/8

1998:
   First Quarter (through 
      March 3, 1998)..............  $ 107/16         $ 97/16


     The last reported sale price per share of Common Stock on January 29, 1998,
the last trading day preceding public announcement of the Merger, was $10.00. On
March 3, 1998, the closing sale price per share of Common Stock was $103/8.

     The Company has never paid a cash dividend on its Common Stock and does not
contemplate paying cash dividends on its Common Stock in the foreseeable future.

     Stockholders  are urged to obtain current market  quotations for the Common
Stock.

                                   THE COMPANY

     General.  The Company was organized as a Delaware  corporation in 1986, and
is the successor to a Utah  corporation  incorporated  in 1920.  The Company was
incorporated  in  Delaware  in 1986 to  purchase  the assets of the  predecessor
corporation through a leveraged employee stock ownership plan.

     The  Company  produces  and sells to the  construction  industry  ready-mix
concrete,  prestressed and precast concrete building components, sand and gravel
products and accessories  for the concrete trade.  The Company owns 38 plants in
Utah, Idaho and Wyoming,  and its products are sold in Utah, Idaho,  Wyoming and
adjoining states,  including Colorado,  Nevada, Oregon, Montana and, to a lesser
extent, Washington and California.

     The Company's  products  fall into three  principal  categories:  ready-mix
concrete;  prestressed  and  precast  concrete  products;  and sand  and  gravel
aggregates. Ready-mix concrete, a basic building material used to some degree in
almost all construction  projects,  is produced by combining rock, sand,  cement
and water with certain  chemical  additives in the Company's "batch plants." The
mixture is then put into the Company's mixer trucks where it is mixed thoroughly
and delivered to construction  sites.  The Company has 21 ready-mix batch plants
located throughout Utah, Idaho and Wyoming.

     The Company produces  prestressed and precast concrete building  components
that  are  primarily  used in  constructing  buildings  or  highway  structures.
Prestressed  concrete products are manufactured by stressing or stretching steel
cables,  incasing  them in  concrete  and then  releasing  the cables  after the
concrete has hardened.  The  contraction of the cables  compresses the concrete,
increasing its strength.  Precast products are manufactured by a similar process
but do not contain stretched steel cables. The Company manufactures  prestressed
and precast  products in Salt Lake City,  Utah,  Boise,  Idaho, and Idaho Falls,
Idaho.  From these locations,  the products are hauled to construction  sites by
the Company's fleet of tractors and trailers.

     The Company  also  produces  sand and gravel  aggregates  by  crushing  and
screening  material  that  has been  dug  from a bank or  quarried  from a solid
deposit by blasting or bulldozing.  These sand and gravel aggregates are used by
customers  to  produce  concrete  and  asphalt  and as road base and  foundation
material,  and are also used as raw  materials  in the  Company's  own  concrete
operations. The Company owns or leases various properties in Utah and Idaho and,
to a lesser extent, in Wyoming that contain sand and gravel aggregate reserves.

     The  principal  executive  offices of the Company are located at 1730 North
Beck  Street,  Salt  Lake  City,  Utah,  84116,  and its  phone  number is (801)
359-3701.

     Recent  Developments.  On January 6, 1998,  the  Company  acquired  all the
outstanding  capital stock of privately held Treasure Valley Concrete,  Inc., an
Idaho corporation ("Treasure Valley Concrete"), for approximately $3.35 million.
At the close of the transaction,  Treasure Valley Concrete became a wholly owned
subsidiary of the Company.  Treasure  Valley Concrete is a producer of ready-mix
concrete in the greater Boise, Idaho area.

                               THE SPECIAL MEETING

General

     This Proxy  Statement is being  furnished to the holders of Common Stock in
connection  with the  solicitation  of proxies by the Board of  Directors of the
Company for use at the Special Meeting to be held on ____________  ___, 1998, at
10:00 a.m., local time, at the Little America Hotel, 500 South Main Street, Salt
Lake City,  Utah and any  adjournment or  postponement  thereof.  At the Special
Meeting,  including any adjournment or postponement  thereof,  holders of Common
Stock  will be asked to  consider  and vote upon (i) a proposal  to approve  and
adopt the Merger  Agreement and the transactions  contemplated  thereby and (ii)
such other business as may properly come before the Special Meeting.

     The Monroc Board of Directors has unanimously approved the Merger Agreement
and the transactions  contemplated thereby, and unanimously  recommends that the
holders of Common Stock vote FOR  approval and adoption of the Merger  Agreement
and the transactions contemplated thereby.

     This Proxy  Statement,  the attached Notice of Meeting and the accompanying
form of proxy are first being mailed to  stockholders of the Company on or about
_____________, 1998.

Record Date

     The  Company's  Board of  Directors  has  fixed the  close of  business  on
_________________, 1998 as the Record Date for the determination of stockholders
entitled to notice of and to vote at the Special Meeting. Only holders of record
of Common  Stock at the close of  business  on the Record  Date are  entitled to
notice of and to vote at the Special Meeting.  As of the Record Date,  4,514,200
shares of Common Stock were outstanding and held of record by approximately ____
stockholders.

Quorum

     The  presence,  either in person or by properly  executed  proxies,  of the
holders of a majority of the outstanding  shares of Common Stock is necessary to
constitute a quorum at the Special  Meeting.  Under the Company's bylaws and the
DGCL,  shares  represented  by  proxies  that  reflect  abstentions  or  "broker
non-votes"  (i.e.,  shares held by a broker or nominee which are  represented at
the  Special  Meeting,  but with  respect to which such broker or nominee is not
empowered to vote on a particular  proposal)  will be counted as shares that are
present and  entitled  to vote for  purposes of  determining  the  presence of a
quorum.

Vote Required

     Stockholders of the Company are entitled to one vote at the Special Meeting
for each share of Common  Stock held of record by them on the Record  Date.  The
affirmative  vote of the  holders of a  majority  of the  outstanding  shares of
Common  Stock is  required  to approve  and adopt the Merger  Agreement  and the
transactions  contemplated  thereby.  Abstentions  will have the same  effect as
votes  against such  approval.  Broker  non-votes,  however,  will be treated as
unvoted for purposes of  determining  approval of the Merger  Agreement and will
not be counted as votes for or against such approval.

     As of the Record Date, the Company's  directors and executive officers as a
group  may  be  deemed  to be  beneficial  owners  of  approximately  43% of the
outstanding  shares of Common  Stock  (excluding  1,650,000  shares which may be
acquired upon the exercise of options or warrants  exercisable within 60 days of
the Record  Date).  To the  knowledge of the Company,  each of the directors and
executive  officers  intends to vote in favor of  approval  and  adoption of the
Merger  Agreement.  In addition,  pursuant to the Voting  Agreement,  BCCP I has
agreed to vote the 1,650,000 shares of Common Stock owned by it as of the Record
Date (representing approximately 36.6% of the outstanding shares of Common Stock
as of the  Record  Date)  in  favor  of  approval  and  adoption  of the  Merger
Agreement.

     If fewer shares of Common Stock are voted in favor of approval and adoption
of the Merger  Agreement than the number  required for approval,  it is expected
that the Special  Meeting  will be  postponed  or  adjourned  for the purpose of
allowing  additional  time for  soliciting and obtaining  additional  proxies or
votes,  and at any subsequent  reconvening of the Special  Meeting,  all proxies
will be voted in the same  manner as such  proxies  would have been voted at the
original  convening of the Special  Meeting,  except for any proxies  which have
theretofore been effectively withdrawn or revoked.

       STOCKHOLDERS   OF  THE  COMPANY  SHOULD  NOT  FORWARD  ANY  COMMON  STOCK
CERTIFICATES  WITH  THEIR  PROXY  CARDS.  IF THE  MERGER IS  CONSUMMATED,  STOCK
CERTIFICATES  SHOULD BE DELIVERED IN ACCORDANCE WITH INSTRUCTIONS SET FORTH IN A
LETTER OF TRANSMITTAL  WHICH WILL BE SENT TO  STOCKHOLDERS  BY THE PAYMENT AGENT
PROMPTLY AFTER THE EFFECTIVE TIME.

Appraisal Rights

     Record holders of Common Stock who properly  demand  appraisal prior to the
stockholder vote on the Merger  Agreement,  do not vote in favor of approval and
adoption of the Merger  Agreement and otherwise  comply with the requirements of
Section 262 of the DGCL will be  entitled to  statutory  appraisal  rights.  See
"Appraisal Rights."

Proxies

     When a proxy  card is  returned,  properly  signed  and  dated,  the shares
represented  thereby will be voted in accordance  with the  instructions  on the
proxy card.  If a stockholder  does not attend the Special  Meeting and does not
return the signed proxy card, such stockholder's  shares will not be voted. If a
stockholder  returns a signed  proxy card but does not  indicate  how his or her
shares are to be voted,  such  shares  will be voted FOR  approval of the Merger
Agreement.  As of the date of this Proxy Statement,  the Board of Directors does
not know of any  matters  other  than  those set forth in the  Notice of Special
Meeting that may be presented at the Special  Meeting.  If any other matters are
properly presented at the Special Meeting for consideration,  including a motion
to  adjourn  the  Special  Meeting  for the  purpose  of,  among  other  things,
soliciting  additional proxies,  the persons named in the enclosed form of proxy
and acting thereunder will have discretion to vote on such matters in accordance
with their best judgment; provided, however, that no proxy that is voted against
the Merger  Agreement will be voted for any  adjournment or  postponement of the
Special Meeting for the purpose of soliciting additional proxies.

     Any proxy given pursuant to this  solicitation may be revoked by the person
giving it at any time  before it is voted.  Proxies may be revoked by (i) filing
with the  Secretary of the  Company,  at or before the taking of the vote at the
Special  Meeting,  a written notice of revocation  bearing a later date than the
proxy,  (ii) duly  executing a later dated proxy  relating to the same shares of
Common Stock and  delivering  it to the Secretary of Monroc before the taking of
the vote at the  Special  Meeting or (iii)  attending  the  Special  Meeting and
voting in person (although  attendance at the Special Meeting will not in and of
itself constitute a revocation of a proxy). In addition, brokers who hold shares
of Common Stock as nominees will not have  discretionary  authorization  to vote
such  shares  on any of the  matters  to be  voted  thereon  in the  absence  of
instructions  from the  beneficial  owners.  Any written notice of revocation or
subsequent proxy should be sent so as to be delivered to Monroc,  Inc., P.O. Box
537, 1730 North Beck Street,  Salt Lake City, Utah 84110,  Attention:  Corporate
Secretary,  or hand  delivered to the  Secretary of the Company at or before the
taking of the vote at the Special Meeting.

     The  Company  will bear the cost of the  solicitation  of proxies  from its
stockholders.  In addition to solicitation  by use of the mails,  proxies may be
solicited by  directors,  officers and  employees of the Company in person or by
telephone  or  other  means  of  communication.  Such  directors,  officers  and
employees  will  not be  additionally  compensated,  but may be  reimbursed  for
out-of-pocket   expenses   incurred  in  connection   with  such   solicitation.
Arrangements also will be made with custodians, nominees and fiduciaries for the
forwarding of proxy  solicitation  materials to beneficial owners of shares held
of record by such  custodians,  nominees and  fiduciaries,  and the Company will
reimburse such  custodians,  nominees and  fiduciaries  for reasonable  expenses
incurred in connection therewith.


                                   THE MERGER

Background of the Merger

     As part of its ongoing efforts to maximize  stockholder value, the Board of
Directors of the Company continually evaluates strategic alternatives, including
strategic  acquisitions,  alliances and possible business combinations,  and the
undertaking of operating,  administrative and financial measures.  In late 1996,
the  Company  began  preliminary  discussions  to sell all of the  assets of its
precast/prestressed  concrete  division (the "Precast  Division") to a potential
buyer (the "Potential Precast Buyer").  These preliminary  discussions continued
over the  course of the next  several  months.  Similarly,  in early  1997,  the
Company also began  exploring the possibility of selling its ready-mix and other
operations located in Wyoming.

     In April 1997,  representatives of certain significant  stockholders of the
Company  held  discussions  with  senior  members  of the  Company's  management
concerning the possibility of a merger, business combination, strategic alliance
or other  value-building  strategic action. In furtherance of these discussions,
the  Company  contacted  SBC  Warburg  Dillon  Read to  assist  the  Company  in
evaluating various strategies to enhance  stockholder value,  including possible
business combinations involving the Company.

     On May 14,  1997,  SBC  Warburg  Dillon  Read  submitted  to the  Company a
two-phase  proposal.  In the first phase, SBC Warburg Dillon Read would evaluate
various alternatives for enhancing stockholder value,  including the possibility
of a business  combination  involving the Company.  In the second phase,  if the
Board of  Directors  elected to explore a  potential  sale of the  Company,  SBC
Warburg  Dillon Read would  assist the Company in  identifying,  and  soliciting
offers from, potential buyers.

     At a previously scheduled meeting of the Board of Directors held on May 21,
1997, the Board of Directors discussed  alternatives for maximizing  stockholder
value and SBC Warburg Dillon Read's proposal.  After extensive  discussion,  the
Board of Directors agreed to retain SBC Warburg Dillon Read as financial advisor
to the  Company  and to  perform  the  first  phase  services  described  in its
proposal. Over the course of the following several weeks, representatives of SBC
Warburg  Dillon  Read  conducted  site  due  diligence  of the  Company  and had
discussions with the Company's management.

     On July 16,  1997,  the Board of  Directors  held a meeting  via  telephone
conference  at which SBC Warburg  Dillon Read  presented  initial  findings  and
answered  questions  from  members  of the  Board  of  Directors.  The  Board of
Directors  also  reviewed  and  discussed  certain  information  concerning  the
business,  operations and prospects of the Company provided by senior management
of the Company and which had ben previously presented to SBC Warburg Dillon Read
for use in determining the value of the Company.  Over the next week, members of
the  Executive  Committee of the Board of  Directors,  which works  closely with
Company  management  to develop  programs and plans  governing the future of the
Company,  met  with  members  of  the  Company's  senior  management  to  review
management's  information  concerning the business,  operations and prospects of
the Company.

     On July 28, 1997, the Board of Directors held a meeting in Boise,  Idaho in
which SBC  Warburg  Dillon  Read  presented  findings  regarding  the  Company's
strategic alternatives,  including a possible business combination.  SBC Warburg
Dillon Read further  suggested  that,  if the Board decided to pursue a possible
business combination, an auction approach would serve as the means of soliciting
offers that would potentially  elicit the most attractive price for the Company.
After discussing  potential courses of action, the Board of Directors authorized
SBC Warburg Dillon Read to explore a possible business combination involving the
Company using an auction  format.  Thereafter,  on August 12, 1997,  the Company
announced  that it had  engaged SBC  Warburg  Dillon  Read to explore  strategic
alternatives including a possible business combination involving the Company.

     In the following  weeks SBC Warburg Dillon Read and the Company  compiled a
list of  prospective  strategic  and financial  buyers to be contacted  directly
regarding their potential  interest in a possible  transaction with the Company.
SBC Warburg  Dillon Read also  assisted the Company in preparing a  confidential
memorandum  describing the Company for use in discussions  with potential buyers
(the  "Confidential  Memorandum").  As the  Company  was  engaged  in  continued
negotiations  concerning the sale of its Precast  Division and was still seeking
to  sell  its  Wyoming  operations,  the  description  of  the  Company  in  the
Confidential Memorandum did not include information regarding either its Precast
Division or Wyoming operations.

     As part of its ongoing  efforts to maximize  stockholder  value,  in August
1997 the Company  entered into  negotiations  to acquire all of the  outstanding
capital stock of Treasure Valley  Concrete,  which produces and sells aggregates
products and ready-mix concrete in Idaho.  These negotiations  continued through
the remainder of 1997.

     In the latter part of September  1997,  the Company and SBC Warburg  Dillon
Read began contacting the potential buyers of the Company previously identified.
Initial  contacts made with 53 potential  buyers consisted of a brief discussion
of the Company's possible interest in engaging in a business  combination and an
inquiry as to whether the  potential  buyer  would be  interested  in  receiving
further  information.   SBC  Warburg  Dillon  Read  negotiated   confidentiality
agreements  with each  potential  buyer that  expressed  interest  in pursuing a
possible transaction and, upon execution of the confidentiality agreements, sent
such potential  buyers the  Confidential  Memorandum.  In total, 38 Confidential
Memoranda were  distributed  to potential  strategic and financial  buyers.  SBC
Warburg  Dillon  Read  requested  that  the  potential   buyers  submit  written
preliminary  indications  of interest in  purchasing  the Company by October 17,
1997.

     On  September  25,  1997,  the  Company  announced  that it had  agreed  in
principle to sell its Precast Division to the Potential  Precast Buyer,  subject
to, among other things, the negotiation and execution of a definitive  agreement
by the parties.  The parties  continued,  throughout  the  remainder of 1997, to
review and discuss various significant issues regarding the possible transaction
and attempted to negotiate a definitive agreement.

     On October 22, 1997,  the Board of  Directors  met to discuss the status of
SBC Warburg Dillon Read's efforts and activities  regarding a possible  business
combination  involving  the  Company.  At the  meeting,  counsel to the  Company
briefed  the  members  of  the  Board  regarding  their  fiduciary   obligations
associated with evaluating and  considering the  transactions  contemplated by a
possible  business  combination  involving the Company.  SBC Warburg Dillon Read
reviewed  its  efforts  and  activities  in  connection  with the auction of the
Company and also  suggested  that the date by which  preliminary  indications of
interest were to be submitted by potential  buyers should be extended to October
31, 1997. The Board authorized the extension of that date to October 31, 1997.

     By October 31, 1997, six potential buyers submitted preliminary indications
of interest to SBC  Warburg  Dillon  Read.  The six  potential  buyers were each
invited to engage in an "in-depth"  review of the Company.  Between November 11,
1997 and November 25, 1997, each of the potential buyers received  presentations
by Company management,  was allowed to tour the Company's facilities in Utah and
Idaho and had access to the Company's data room located at its corporate offices
in Salt Lake City, Utah.  Additionally,  the Company  delivered to the potential
buyers the Company's  proposed form of merger  agreement and instructed  them to
submit  comments  thereon with their final  offers to purchase the Company.  The
Company's proposed merger agreement  structured the potential  transaction as an
initial cash tender offer by the prospective buyer to be followed by a merger.

     Potential buyers were directed to submit final offers to SBC Warburg Dillon
Read in early December. On December 5, 1997, the Company received correspondence
from a potential  buyer;  however,  the Board of Directors did not consider this
correspondence to be a final offer but rather a further  preliminary  indication
of interest.  On December 9, 1997,  USAI provided to SBC Warburg Dillon Read its
formal written proposal (the "USAI Proposal") to enter into a merger transaction
with the  Company  pursuant to which USAI would  acquire all of the  outstanding
capital  stock,  options and  warrants  of the Company for $58.0  million in the
aggregate, subject to the completion of additional due diligence of the Company,
the negotiation and execution of a definitive  merger agreement with the Company
and the  receipt of a firm  commitment  by USAI's  lender to provide  all of the
required debt  financing.  The USAI Proposal also provided for a cash-out merger
transaction rather than the tender offer structure  contemplated by the Company.
In addition,  the USAI Proposal stated that it would expire on December 19, 1997
and that continued  negotiations after the Company's  acceptance of the proposal
would be  conditioned  upon the  Company  agreeing  to  proceed  with USAI on an
exclusive basis.

     On December 16, 1997, the Board of Directors, together with Company counsel
and, by telephone, representatives of SBC Warburg Dillon Read, met to review the
two final offers or indications of interest that had been received in connection
with the auction  process.  After being  briefed again by counsel to the Company
regarding  its  fiduciary  responsibilities  with  respect  to  considering  and
evaluating  such  offers,  the Board of  Directors  discussed  the two offers at
length.  The Board of  Directors  was of the view that the offer  from the other
potential  buyer was inadequate in terms of price,  specificity and other terms.
After extensive discussions, the Board of Directors determined to postpone final
discussions and recommendation of any specific offer pending further analysis of
the offers and the development of a more  definitive  agreement with a potential
buyer. The Board of Directors also discussed in detail the option of not selling
the  Company,  but rather  continuing  to operate the  Company  and  reexamining
possible  business  combination  opportunities  in  the  future.  The  Board  of
Directors  instructed the Company's senior  management and  representatives  and
advisors to pursue further  negotiations with the remaining potential buyers and
requested  senior  management  to develop  additional  analyses  concerning  the
alternative  possibility of continuing to operate the Company and not pursuing a
sale of the Company.

     During  the last two weeks of  December  1997 and the first week of January
1998,  members of the Executive  Committee and senior management of the Company,
together with the Company's  representatives and advisors,  continued to discuss
the possible business  combinations  with potential buyers.  During this period,
senior management and  representatives of USAI visited the Company's  facilities
and continued  discussions with the Company and its  representatives  concerning
the possible terms on which a business combination of the Company and USAI could
be consummated.  During these visits and discussions,  USAI expressed its desire
to conduct  additional  in-depth due diligence of the Company and requested that
any definitive  agreement  between the parties contain a closing  condition that
would  require  USAI to be  satisfied  with the  results of its  additional  due
diligence investigation. USAI believed that entering into a definitive agreement
containing such a closing condition would allow USAI to terminate the definitive
agreement  if at  anytime  it was  unsatisfied  with  its due  diligence  of the
Company.  The Board of Directors and senior management of the Company,  however,
believed that any definitive agreement containing such a closing condition would
reduce the certainty of actually  closing the transaction  and that  terminating
the auction  process by entering into such an agreement would not be in the best
interests of the stockholders of the Company.

     On January 6, 1998, the Company  completed its  negotiations  with Treasure
Valley  Concrete,  reaching a  definitive  agreement  to acquire all of Treasure
Valley Concrete's outstanding capital stock. After the close of the transaction,
Treasure Valley Concrete became a wholly owned subsidiary of the Company.

     During the same week, the Company's Executive Committee,  senior management
and  representatives  and advisors held meetings and telephone  conferences with
USAI and its representatives  discussing a number of significant issues that had
been  identified  during  preliminary  discussions  concerning  the draft merger
agreement. In these discussions, the Company again proposed that the transaction
be structured as a two-step tender  offer/merger  rather than a cash-out merger;
however,  USAI again  stated that it would not consider  pursuing a  transaction
with  such a  structure.  USAI  further  stated  that it would  need to  conduct
additional due diligence prior to entering into a definitive agreement and that,
in light of the on-going  auction  process being conducted by SBC Warburg Dillon
Read,  USAI would not proceed with its  additional  due  diligence and incur the
associated  costs and  expenses of that due  diligence  unless USAI was given an
exclusive  period  of time to  conduct  such due  diligence.  As a result of the
discussions  and  negotiations  between the Company and USAI, the parties agreed
that USAI would proceed with conducting additional due diligence of the Company,
that until  January  26,  1998 the  Company  would not  solicit or enter into an
agreement  with any party  other than USAI  regarding a merger,  acquisition  or
similar  transaction  and that if the  Company  solicited  or  entered  into any
agreement with any such other party prior to January 26, 1998, the Company would
pay for USAI's costs and expenses  incurred in  investigating  and analyzing the
Company.  On January 9, 1998,  the Company sent a letter to USAI  confirming the
understanding of the parties, which letter was acknowledged by USAI.

     In  connection  with its further  review and analysis of the Company,  USAI
informed  the Company that any possible  transaction  between the parties  would
need to include  all of the land  located at the  Company's  Salt Lake City Beck
Street  facilities,  a  portion  of which was  subject  to  ongoing  discussions
regarding the potential sale of the Company's Precast Division. As the Company's
Board of Directors  believed that the possible sale of the Company to USAI would
maximize stockholder value more than the strategic  disposition of the Company's
Precast  Division,  the  Company  informed  the  Potential  Precast  Buyer  that
negotiations  and  discussions  regarding  such a  transaction  would need to be
temporarily  suspended  pending the  resolution of the merger  discussions  with
USAI.

     Throughout  the remainder of January  until January 26, 1998,  USAI and its
representatives conducted extensive due diligence of the business and operations
of the  Company.  During  the same  period,  the  parties  and their  respective
representatives  also  held  various  meetings  and  telephone   conferences  to
negotiate  the terms of the draft  merger  agreement  and to resolve open issues
arising from USAI's further due diligence investigations.

     On January 27 and 28, 1998,  senior  management of the Company and USAI and
their  respective  representatives  and  advisors  had  several  discussions  to
finalize the terms of the proposed  merger,  including the final purchase price,
taking into account the results of the  additional  due  diligence  performed by
USAI and its representatives.  On January 28, 1998, the parties agreed,  subject
to approval by the Board of Directors of the  Company,  that the final  purchase
price to be paid by USAI would be $57.6 million.

     On January 28, 1998, a special  meeting of the Company's Board of Directors
was held to consider the  provisions  of the proposed  merger  agreement and the
transactions  contemplated thereby.  Members of senior management of the Company
and  representatives  of SBC Warburg Dillon Read and counsel to the Company also
attended the special meeting.  At the special  meeting,  SBC Warburg Dillon Read
updated the Board of Directors as to the efforts and negotiations which had been
undertaken  by the  Company  and its  representatives  since the prior  Board of
Directors  meeting on December  16,  1997.  Counsel to the Company  then briefly
reiterated  the duties of the Board of Directors in evaluating the possible sale
of the Company.  Senior  management  of the Company and  representatives  of SBC
Warburg  Dillon  Read and counsel to the Company  then  explained  in detail the
principal  terms of the offer by USAI,  the final  issues and  concerns  of USAI
raised as a result of its further due diligence  investigation  and the proposed
final purchase price  reduction from $58 million to $57.6 million as a result of
such  issues and  concerns.  Members of the Board of  Directors  asked  numerous
questions  regarding the terms and structure of the proposed  merger  agreement,
the validity of the due  diligence  issues and  concerns  raised by USAI and the
fairness of the proposed final purchase price.  Following this  discussion,  the
Board of  Directors  considered  the  alternatives  available to the Company for
increasing  stockholder value, including the prospects of the Company if it were
to remain an independent public company.

     Counsel to the Company then  reviewed  the  material  terms of the proposed
merger  agreement  and  responded  to  questions  of the members of the Board of
Directors.  SBC Warburg Dillon Read then reviewed in detail the auction  process
by which it had sought and  contacted  potential  buyers for the Company and the
results of that auction process. SBC Warburg Dillon Read then delivered its oral
opinion, to be confirmed by its written opinion to be delivered the next day, to
the effect that,  subject to certain  assumptions  and  limitations,  the merger
consideration  to be received by the stockholders of the Company pursuant to the
proposed  merger  agreement  was fair,  from a financial  point of view, to such
stockholders. Members of senior management also made a presentation to the Board
of  Directors  setting  forth  their views as to the  fairness  of the  proposed
transaction  with  USAI,  including  their  belief  that  the  proposal  by USAI
represented the best means of increasing  stockholder  value for the foreseeable
future.   After  further   deliberations   and  discussions,   resolutions  were
unanimously  adopted by the Board of  Directors,  subject to the  receipt of SBC
Warburg Dillon Read's  written  opinion on the next day,  including  among other
items,  determining that the merger agreement (the "Original Merger  Agreement")
and the transactions  contemplated thereby are fair to and in the best interests
of the  stockholders  of the Company,  authorizing the execution and delivery of
the  Original  Merger  Agreement  and  the  performance  by the  Company  of its
obligations  thereunder  and the execution  and delivery of all other  ancillary
agreements thereto and recommending that the stockholders of the Company approve
the  Original  Merger   Agreement  and  the  consummation  of  the  transactions
contemplated thereby. The Board of Directors then adjourned its meeting.

     On the  morning of January 29,  1998,  a special  meeting of the  Company's
Board of Directors  was convened by  teleconference,  which was also attended by
senior management of the Company and  representatives of SBC Warburg Dillon Read
and counsel to the  Company.  At the special  meeting,  SBC Warburg  Dillon Read
delivered its written opinion to the effect that, subject to certain assumptions
and limitations, as of January 29, 1998, the merger consideration to be received
by the stockholders of the Company pursuant to the Original Merger Agreement was
fair,  from a  financial  point  of view,  to such  stockholders.  The  Board of
Directors  then reviewed the  discussions  from the special  meeting held on the
previous day.  Thereafter,  the Board of Directors confirmed its approval of the
Original  Merger  Agreement  and  the  transactions   contemplated  thereby  and
confirmed  the adoption of the  resolutions  approved at the special  meeting on
January 28, 1998.

     The Original Merger Agreement was executed by the parties as of January 29,
1998 and  public  announcement  of the  signing  was made after the close of the
financial markets on that date.

     Subsequent to the execution of the Original Merger Agreement, USAI informed
the  Company  that USAI is  considering  the  possible  sale of  certain  of the
Company's operations  following  consummation of the Merger. USAI indicated that
it desired to contact prospective strategic purchasers regarding their potential
interest in such possible  transactions  and to pursue  negotiations  with those
potential purchasers indicating interest.  As a result of this information,  the
parties agreed that it would be appropriate to review and discuss  certain terms
of the Original Merger Agreement and determine whether any changes to such terms
would be appropriate in light of USAI's possible plans regarding  certain of the
Company's operations following  consummation of the Merger. As a result of these
discussions,  the parties  agreed to amend  certain  provisions  of the Original
Merger  Agreement  to limit the  ability of USAI to not effect the Merger in the
event of certain  material  adverse  changes in or  effects on the  business  or
operations of the Company,  and to permit the Company to take certain actions in
connection with USAI's possible discussions with potential purchasers of certain
of the Company's  operations.  On March 4, 1998, the Board of Directors approved
the Merger  Agreement and the Merger Agreement was executed by the parties as of
such date. In  connection  with the  execution of the Merger  Agreement,  BCCP I
reaffirmed the applicability of the Voting Agreement to the Merger Agreement, as
amended and restated.

Recommendation of the Board of Directors of the Company; Reasons for the Merger

     The Board of Directors of the Company has determined  that the terms of the
Merger are fair to and in the best interests of the Company's  stockholders  and
has unanimously approved the Merger Agreement and the transactions  contemplated
thereby.  The Board of Directors recommends that the stockholders of the Company
approve the Merger  Agreement  and the  transactions  contemplated  thereby.  In
arriving at its decision,  the Board of Directors  consulted  with the Company's
legal and  financial  advisors  and gave  careful  consideration  to a number of
factors, including among others, the following:

          (1) The Company's Business, Condition and Prospects. In evaluating the
     terms of the Merger,  the Board of  Directors  of the  Company  considered,
     among other things,  information  with respect to the financial  condition,
     results of operations and  businesses of the Company,  on both a historical
     and  a  prospective  basis,  and  current  industry,  economic  and  market
     conditions.  The members of the Board of Directors were generally  familiar
     with and knowledgeable  about the Company's affairs,  including the present
     and possible  future  economic and  competitive  environments  in which the
     Company operates, and further reviewed these matters in the course of their
     deliberations.  In addition, the Board of Directors of the Company reviewed
     presentations  from,  and discussed the terms and  conditions of the Merger
     Agreement  and the Merger  with,  the  executive  officers of the  Company,
     representatives  of its financial advisor and  representatives of its legal
     counsel.  The Board of  Directors  also  considered  the risks  facing  the
     Company,  including  the recent  consolidation  trend  within the  industry
     leading to larger, financially stronger competitors, the Company's capacity
     to  efficiently  and  profitably  manage its future  growth and the capital
     requirements that would be required to achieve future growth.

          (2) Opinion of SBC Warburg  Dillon Read. The Board of Directors of the
     Company  considered  as favorable to its  determination  the opinion of SBC
     Warburg Dillon Read delivered to the Board of Directors on January 29, 1998
     that,  as of such  date,  and  based  upon the  assumptions  made,  matters
     considered   and  limits  of  review  set  forth  in  such   opinion,   the
     consideration  to be received by the  stockholders of the Company under the
     Merger  Agreement was fair to such  stockholders  from a financial point of
     view.  The  Board  of  Directors  also  considered  the  oral  and  written
     presentations  made to it by SBC Warburg  Dillon Read.  See  "--Opinion  of
     Monroc's Financial Advisor." A copy of SBC Warburg Dillon Read's opinion to
     the Board of  Directors  is attached as Appendix B to this Proxy  Statement
     and is incorporated herein by reference.

          (3) Alternative  Transactions.  As set forth in  "--Background  of the
     Merger,"  the Company  engaged SBC Warburg  Dillon Read to explore  various
     strategic alternatives of capital structuring of the Company, including but
     not limited to a sale of all or part of the Company, strategic alliances or
     a merger with a suitable partner. At the request of the Board of Directors,
     SBC Warburg  Dillon Read  conducted an auction of the Company by contacting
     potential strategic and financial  purchasers of the Company.  The Board of
     Directors  considered as favorable to its determination and  recommendation
     that the  broad-based  search  conducted by SBC Warburg Dillon Read did not
     yield any proposals more  attractive to the Company's  stockholders  from a
     financial point of view than the proposal received from USAI.

          (4) Historical and Recent Market Prices; Trading History of the Common
     Stock. The Board of Directors of the Company reviewed the historical market
     prices and  recent  trading  activity  of the  Common  Stock.  The Board of
     Directors  considered as favorable to its fairness  determination  that the
     $10.771  per share price to be paid in the Merger  represents  a premium of
     approximately  8% over the $10 price at which the  Common  Stock  closed on
     January 29, 1998,  the last trading day before public  announcement  of the
     proposed Merger. The Board of Directors believes,  however, that because of
     the public  announcement of the Company's  engagement of SBC Warburg Dillon
     Read to explore strategic alternatives of the Company, including a possible
     sale of the Company, and the recent acquisition and consolidation  activity
     within the  industry,  the recent market prices of the Common Stock already
     reflect a premium for the sale of the  Company.  Accordingly,  the Board of
     Directors also considered  favorable the fact that the Merger Consideration
     represents a premium of  approximately  19% over the $9.06 average  closing
     price of the Common Stock for the year prior to the public  announcement of
     the  Merger  and a premium  of  approximately  76% over the  $6.11  average
     closing price of the Common Stock for the last three years.  The Board also
     considered that the Merger would afford the  stockholders of the Company an
     opportunity  to  liquidate  their  investment  in the Company at fair value
     without the possible diminution in value resulting from the limited trading
     market  in  the  Common  Stock  and  without  the  payment  of  potentially
     disproportionate brokerage fees.

          (5) No Financing  Condition;  Strong Acquiror.  The Board of Directors
     regarded as favorable to its  determination  that the Merger Agreement does
     not  contain  a  financing  condition,  that USAI is a  financially  strong
     enterprise,  that USAI has already obtained financing commitments from Bank
     of  America  National  Trust and  Savings  Association  and The  Prudential
     Insurance  Company of America and that,  accordingly,  the Merger has a low
     risk of noncompletion due to any financial inability of USAI.

          (6) Merger Agreement. The Board of Directors of the Company considered
     favorable to its determination and  recommendation the terms and conditions
     of the Merger  Agreement,  including the amount and form of  consideration,
     the  nature of the  parties'  representations,  warranties,  covenants  and
     agreements,  and the conditions to the obligations of the parties to effect
     the  Merger.  The Board of  Directors  also  considered  that the terms and
     conditions  of  the  Merger  Agreement  are  the  result  of  arms'  length
     negotiations   between   the   Company   and  USAI  and  their   respective
     representatives.

          (7) Stockholder Approval  Requirement;  Appraisal Rights. The Board of
     Directors of the Company  considered the condition to the  consummation  of
     the Merger  requiring  approval and adoption of the Merger Agreement by the
     affirmative vote of the holders of a majority of the outstanding  shares of
     Common  Stock  entitled  to vote  thereon as  supporting  its view that the
     Merger  is  fair  procedurally  to  the  stockholders  of the  Company.  In
     addition,  the Board of Directors  considered the availability of appraisal
     rights law to those  stockholders  who vote against  approval of the Merger
     Agreement and perfect such appraisal rights under the applicable provisions
     of the DGCL.

          (8) Support of Significant Stockholder.  The Board of Directors of the
     Company considered as favorable to its determination and recommendation the
     willingness  of BCCP I, a  stockholder  owning  approximately  36.6% of the
     outstanding  shares of Common Stock, to enter into the Voting Agreement and
     agree  to  vote  in  favor  of the  approval  and  adoption  of the  Merger
     Agreement.

          (9) Fiduciary Out; Reasonable Break-up Fees. The Board of Directors of
     the Company  considered  as  favorable to its  fairness  determination  and
     recommendation  that the Merger Agreement permits the Board of Directors to
     consider,   in  compliance  with  its  fiduciary   duties,   other  merger,
     acquisition or similar transaction  proposals made prior to consummation of
     the Merger and that the Merger  Agreement is  terminable  by the Company if
     such a proposal is approved.  The Board of Directors also believes that the
     Merger Agreement  provides for reasonable  break-up fees or payment of USAI
     expenses upon termination of the Merger Agreement in certain  circumstances
     and  that  such  provisions  would  not  have the  effect  of  unreasonably
     discouraging competing bids.

          (10) No Participation in Future Growth.  The Board of Directors of the
     Company  viewed as a negative  factor that, as a result of the Merger,  the
     stockholders  of the Company would no longer be able to  participate in the
     future growth and earnings of the Company.

          (11) Taxable Transaction. The Board of Directors of the Company viewed
     as a negative factor to its fairness determination and recommendation that,
     like all cash mergers, the Merger would be a taxable transaction.  However,
     the Board of Directors  did not believe  that the Company  would be able to
     effect a tax-free  transaction  offering  comparable value to the Company's
     stockholders.

     The foregoing  description of factors  considered by the Board of Directors
of the Company is not exhaustive but covers the principal  matters  discussed in
detail  by the  Board of  Directors.  In view of the  wide  variety  of  factors
considered  in  connection  with its  evaluation  of the  Merger,  the  Board of
Directors did not consider it practical  to, nor did it attempt to,  quantify or
attach any  particular  weight to any of the factors  reviewed  in reaching  its
conclusion to recommend the Merger to the  stockholders  of the Company as being
in their best interests.

Opinion of Monroc's Financial Advisor

     On January 29, 1998, SBC Warburg Dillon Read delivered its written  opinion
to the effect that, and based upon and subject to the  assumptions,  limitations
and  qualifications  contained  therein,  as of  January  29,  1998,  the merger
consideration  to be  received by the  holders of Common  Stock  pursuant to the
Merger Agreement was fair, from a financial point of view, to such holders.  SBC
Warburg Dillon Read was retained by the Board of Directors to express an opinion
as to the  fairness,  from a financial  point of view,  to the holders of Common
Stock of the merger consideration to be received by such holders.

     THE FULL TEXT OF THE OPINION OF SBC  WARBURG  DILLON READ WHICH SETS FORTH,
AMONG OTHER THINGS, A DESCRIPTION OF THE ASSUMPTIONS  MADE,  GENERAL  PROCEDURES
FOLLOWED,  MATTERS CONSIDERED AND LIMITS ON THE REVIEW UNDERTAKEN BY SBC WARBURG
DILLON READ, IS ATTACHED AS APPENDIX B TO THIS PROXY  STATEMENT.  HOLDERS OF THE
COMPANY'S  COMMON STOCK ARE URGED TO READ THE OPINION IN ITS  ENTIRETY.  THE SBC
WARBURG  DILLON READ OPINION IS DIRECTED ONLY TO THE FAIRNESS,  FROM A FINANCIAL
POINT OF  VIEW,  TO THE  HOLDERS  OF THE  COMPANY'S  COMMON  STOCK  AND DOES NOT
CONSTITUTE A RECOMMENDATION TO ANY STOCKHOLDER AS TO HOW SUCH STOCKHOLDER SHOULD
VOTE AT THE  SPECIAL  MEETING.  SBC  Warburg  Dillon  Read did not  address  the
Company's  business  decision  to  proceed  with the Merger and did not make any
recommendation to the Board of Directors or the stockholders of the Company with
respect to any  approval  of the  Merger.  The  summary  set forth in this Proxy
Statement of the opinion of SBC Warburg Dillon Read is qualified in its entirety
by reference to the full text of the opinion attached hereto as Appendix B.

     In arriving at its opinion, SBC Warburg Dillon Read among other things: (i)
reviewed the Merger  Agreement  dated January 29, 1998;  (ii)  reviewed  certain
publicly available business and financial  information  relating to the Company;
(iii)  reviewed  the  historical  price and trading  activity  for the shares of
Common Stock;  (iv) reviewed  certain internal  financial  information and other
data provided to SBC Warburg Dillon Read by the Company relating to the business
and prospects of the Company,  including financial  projections  prepared by the
management of the Company, on a pro forma basis, for the acquisition of Treasure
Valley  Concrete  on  January  6,  1998  (the   "Projections");   (v)  conducted
discussions with members of the senior management of the Company;  (vi) reviewed
the financial terms, to the extent publicly  available,  of certain  acquisition
transactions  which we considered  relevant;  (vii) reviewed publicly  available
financial  and  securities  market  data  pertaining  to certain  publicly  held
companies  in lines of  business  which SBC Warburg  Dillon Read  believed to be
generally  comparable  to those the  Company;  and (viii)  conducted  such other
financial  studies,  analyses  and  investigations,  and  considered  such other
information as SBC Warburg Dillon Read deemed necessary or appropriate, but none
of which was individually  material.  No limitations were imposed by the Company
with  respect  to the  investigations  made or the  procedures  followed  by SBC
Warburg Dillon Read in rendering its opinion.  SBC Warburg Dillon Read's opinion
was necessarily based on economic, monetary and other conditions as in effect on
and the information made available to it as of the date thereof.

     In conducting its review and arriving at its opinion, as contemplated under
the terms of its  engagement  with the Company,  SBC Warburg Dillon Read relied,
without  independent  investigation,  upon the accuracy and  completeness of all
financial and other information  provided to it or publicly  available,  and did
not assume any  responsibility in any respect for the accuracy,  completeness or
reasonableness  of, or any  obligation  to verify,  the same or to  conduct  any
appraisal of assets. In addition, with the Company's consent, SBC Warburg Dillon
Read did not make any  independent  evaluation or appraisal of any of the assets
or liabilities (contingent or otherwise) of Monroc or U.S. Aggregates, Inc., nor
was it furnished  with any such  evaluation or appraisal.  Without  limiting the
generality  of the  foregoing,  SBC  Warburg  Dillon  Read,  with the  Company's
consent,  relied upon the management of the Company as to the reasonableness and
achievability  of the  Projections  (and the  assumptions  and bases  therefore)
provided to SBC Warburg  Dillon Read,  and SBC Warburg  Dillon Read assumed that
such Projections  reflected the best currently available estimates and judgments
of the management of the Company and that such Projections  would be realized in
the amount and in the time periods estimated by the management of the Company.

     In arriving at its opinion,  SBC Warburg Dillon Read performed a variety of
financial  analyses which are summarized below. SBC Warburg Dillon Read believes
that its analyses must be considered as a whole and that  selecting  portions of
its analyses and the factors  considered  by it,  without  consideration  of all
factors and  analyses,  could create a  misleading  view of the analyses and the
processes  underlying SBC Warburg Dillon Read's opinion. SBC Warburg Dillon Read
arrived at its  opinion  based on the results of all the  analyses it  undertook
assessed as a whole,  and it did not draw conclusions from or with regard to any
one method of  analysis.  None of the analyses  performed by SBC Warburg  Dillon
Read were assigned a greater  significance  by SBC Warburg  Dillon Read than any
other.   With  respect  to  the  comparable   company  analysis  and  comparable
transaction   analysis  summarized  below,  no  public  company  utilized  as  a
comparison is identical to the Company,  and such analyses  necessarily  involve
complex considerations and judgments concerning the differences in financial and
operating  characteristics  of the companies and other factors that could effect
the  acquisition  or public  trading  values  of the  companies  concerned.  The
Projections  furnished by management  of the Company  contained in or underlying
SBC Warburg  Dillon  Read's  analyses are not  necessarily  indicative of future
results or values,  which may be significantly  more or less favorable than such
Projections.  The Projections  were based on numerous  variables and assumptions
that are inherently uncertain,  including without limitation, factors related to
general economic and competitive conditions. Estimates of values of companies or
assets do not  purport to be  appraisals  or  necessarily  reflect the prices at
which companies or their securities actually may be sold.

     In connection with rendering its opinion,  SBC Warburg Dillon Read employed
a variety of valuation methods. The material methods are summarized below.

     Summary  Analysis  of Offer.  SBC  Warburg  Dillon Read noted that the U.S.
Aggregates,  Inc.  offer was  $10.771 per share of Common  Stock,  and that USAI
proposed to acquire all  outstanding  shares for cash,  indicating a total offer
for equity (equity value) of $57.6  million.  Pursuant to the Merger  Agreement,
and based upon the  Company's  estimated  December 31, 1997 balance  sheet,  pro
forma for its  acquisition of Treasure  Valley  Concrete,  USAI also will assume
approximately  $17.7  million of the Company  indebtedness  which,  after giving
effect to approximately $800,000 of cash to be acquired in the Merger, indicated
an offer for net assets (unlevered value) of $75.3 million.

     Summary of Pro forma Financial Analysis. SBC Warburg Dillon Read summarized
various  analyses  by  noting  that the  purchase  price  of  $10.771  per share
indicated: a multiple of net asset value to revenue of 1.0x for the pro forma 12
months ended  September  30,  1997,  pro forma for the  acquisition  of Treasury
Valley  Concrete and 1.1x for the pro forma 12 months ending  December 31, 1997,
pro forma for the  acquisition of Treasury  Valley  Concrete and as estimated by
Company  management;  a multiple of unlevered value to earnings before interest,
taxes,  depreciation and  amortization  ("EBITDA") of 14.2x for the pro forma 12
months  ended  September  30, 1997 and 13.0x for the pro forma 12 months  ending
December 31, 1997, as estimated by Company  management;  a multiple of unlevered
value to earnings  before interest and taxes ("EBIT") of 26.0x for the pro forma
12 months ended  September 30, 1997 and 23.5x for the pro forma 12 months ending
December 31, 1997,  as  estimated  by Company  management;  a multiple of equity
value to earnings per share of 33.1x for the pro forma 12 months ended September
30, 1997 and 35.7x for the pro forma 12 months  ending  December  31,  1997,  as
estimated by Company management; and a multiple of equity value to book value of
2.8x at the pro forma  December  31, 1997,  as estimated by Company  management.
Finally,  SBC Warburg  Dillon Read noted that the  purchase price of $10.771 per
share represented an acquisition premium of 10.5% over the Company's  unaffected
stock price of $9.75 on January 22, 1998.

     Analysis of Selected Publicly Traded Comparable  Companies.  Using publicly
available  information,  SBC Warburg  Dillon Read  reviewed the stock prices and
market  multiples of common stocks of the following  companies in the cement and
aggregates industries: Centex Construction Products, Inc.; Giant Cement Holding,
Inc.;  Lafarge  Corporation;  Lone Star Industries,  Inc.;  Medusa  Corporation;
Southdown,  Inc.; Texas  Industries,  Inc.; CalMat Co.; Florida Rock Industries,
Inc.; Martin Marietta Materials, Inc.; and Vulcan Materials Company. SBC Warburg
Dillon Read believes  these  companies are engaged in lines of business that are
generally  comparable to those of Monroc. SBC Warburg Dillon Read determined the
equity  value and  derived  the  unlevered  value  for each of these  comparable
companies.  SBC Warburg Dillon Read calculated a range of each unlevered  values
as a  multiple  of the last 12 months  ended  September  30,  1997 of  revenues,
EBITDA,  EBIT,  and to latest net assets.  Unlevered  value as a multiple of the
last 12 months  revenues  averaged  1.8x and ranged  from 0.9x to 2.4x for these
comparable companies. Unlevered value as a multiple of the last 12 months EBITDA
averaged  7.0x and ranged from 4.6x to 11.2x.  Unlevered  value as a multiple of
the last 12 months EBIT averaged 10.2x and ranged from 7.1x to 24.0x.  Unlevered
value as a multiple of the latest net assets  averaged 2.4x and ranged from 1.5x
to 3.4x. SBC Warburg Dillon Read noted the implied unlevered value for Monroc in
the Merger based upon the cash purchase price of $10.771 per share and pro forma
for the Treasury  Valley  Concrete  acquisition at September 30, 1997 represents
1.0x revenues, 14.2x EBITDA, 26.0x EBIT and 2.1x net assets, within or above the
range for these comparable companies for revenues,  EBITDA, EBIT and net assets.
SBC  Warburg  Dillon Read also  determined  the equity  value of the  comparable
companies as multiple of 1998 net income as estimated  by  Institutional  Broker
Estimate System  ("I/B/E/S") and as a multiple of book value of equity. For 1998
estimated net income, based on projections provided by Monroc's management,  the
multiples  averaged 13.1x and ranged from 9.4x to 25.1x. SBC Warburg Dillon Read
noted that the implied  equity  value for Monroc in the Merger  represents  8.8x
1998 estimated net income, based on projections provided by Monroc's management,
below the range for comparable companies. For book value of equity, the multiple
averaged  2.1x and ranged from 1.5x to 3.8x.  SBC Warburg  Dillon Read noted the
implied  equity  value for Monroc in the  Merger  represented  2.8x book  value,
within the range for the comparable companies.

     Summary of Selected  Acquisition  Transactions.  Using  publicly  available
information,  SBC Warburg Dillon Read reviewed the purchase prices and multiples
paid in  selected  mergers  and  acquisitions  involving  cement and  aggregates
companies  which SBC  Warburg  Dillon Read deemed  relevant  in  evaluating  the
Merger.  SBC Warburg Dillon Read reviewed the  acquisition of Fiberite,  Inc. by
Hexcel Corporation;  the acquisition of Blue Circle America,  Inc. by St. Mary's
Cement Corporation; the acquisition of American Aggregates Corporation by Martin
Marietta  Materials,  Inc.; the  acquisition of John Iafolla Company by CRH plc;
the acquisition of Wilton Assets, Inc. by Titan Resources, Inc.; the acquisition
of E.L. Gardner,  Inc. by Bardon Group plc; the acquisition of Colony Materials,
Inc. by Western Mobile,  Inc.; the  acquisition of Tilcon,  Inc. by CRH plc; the
acquisition of Mid-State  Construction & Materials,  Inc. by Langenfelder Group;
the acquisition of Boral Resources,  Inc. by Cornerstone Construction Materials,
Inc.; the acquisition of Dravo Basic Materials Company,  Inc. by Martin Marietta
Materials, Inc.; the acquisition of Balf Company/Savin  Brothers/Capital Pipe by
CRH plc; the acquisition of Kost Brothers,  Inc. by English China Clays plc; the
acquisition of J.L. Shiely,  Inc. by English China Clays plc; the acquisition of
Riffe Petroleum Company by Elf Aquitaine  Asphalt,  Inc.; and the acquisition of
American Aggregates Corporation by ARC America Corporation.

     Multiples of unlevered value of the transactions (consideration offered for
the  equity  plus  book  value of debt less  cash and cash  equivalents)  to the
revenues of the acquired  businesses for the 12 months preceding the acquisition
announcement averaged 1.3x and ranged from 0.5x to 2.4x. The multiples of EBITDA
for the 12 months  preceding  the  acquisition  announcement  averaged  8.1x and
ranged from 7.9x to 8.2x. The multiples of EBIT for the 12 months  preceding the
acquisition  announcement  averaged  8.9x and  ranged  from 6.7x to  12.8x.  The
multiple of latest net assets  averaged  1.5x and ranged from 1.0x to 2.3x.  SBC
Warburg  Dillon  Read noted that the implied  unlevered  value for Monroc in the
Merger represented 1.0x revenues, 14.2x EBITDA, 26.0x EBIT, and 2.1x net assets,
all within or above the range for the transactions considered.

     No company,  transaction or business used in the analysis  described  under
"--Analysis of Selected Publicly Traded Comparable  Companies" or "-- Summary of
Selected Acquisition Transactions" is identical to Monroc, U.S. Aggregates, Inc.
or the Merger.  Accordingly,  an analysis  of the  results  thereof  necessarily
involves  complex   considerations  and  judgments  concerning   differences  in
financial and operating  characteristics and other factors than could affect the
transaction or the public trading or other values of the company or companies to
which they are being  compared.  Mathematical  analysis (such as determining the
average  or  median) is not in itself a  meaningful  method of using  comparable
acquisitions or company data.

     Discounted  Cash  Flow  Analysis.  SBC  Warburg  Dillon  Read  performed  a
discounted  cash flow analysis using a set of underlying  operating  projections
which were based upon  forecasts  provided by  management  of Monroc.  Utilizing
management's  projections,  SBC Warburg Dillon Read  calculated the  theoretical
unlevered  discounted  present  value for Monroc by adding  together the present
value of (i) the projected  stream of unlevered  free cash flow through the year
2002 for Monroc and (ii) the  projected  terminal  value of Monroc at the end of
the year 2002. For purposes of this  analysis,  SBC Warburg Dillon Read utilized
discount rates ranging from 12% to 14% and terminal value multiple  ranging from
5.0x to 6.0x to apply to projected  EBITDA for 2002.  This analysis  indicated a
range of values from $8.80 to $11.28 per share,  compared to the Merger price of
$10.771 per share.  SBC Warburg Dillon Read also performed an analysis where the
Monroc's terminal value was calculated based on a perpetuity growth rate ranging
from 2.5% to 4.5%,  and utilizing  the same  discount  rates of 12% to 14%. This
analysis indicated a range of values from $7.28 to $11.62 per share, compared to
the Merger price of $10.771 per share.

     SBC Warburg Dillon Read is an internationally recognized investment banking
firm which, as a part of its investment  banking business,  regularly is engaged
in the evaluation of businesses and their  securities in connection with mergers
and  acquisitions,   negotiated   underwritings,   competitive  bids,  secondary
distributions  of  listed  and  unlisted  securities,   private  placements  and
valuations for estate,  corporate and other purposes.  The Monroc Board selected
SBC Warburg Dillon Read on the basis of its experience and independence.  In the
ordinary  course of  business,  SBC  Warburg  Dillon  Read may trade the  equity
securities of Monroc for its own account and the accounts of its customers  and,
accordingly, may at any time hold a long or short position in such securities.

     Pursuant to an engagement  letter dated May 14, 1997 between Monroc and SBC
Warburg Dillon Read, Monroc has agreed to pay SBC Warburg Dillon Read contingent
upon  consummation  of the Merger the sum of (i)  $500,000 and (ii) 1.25% of the
aggregate amount of  consideration  paid (total offer for net assets) less $15.0
million,  net of a $100,000 fee previously  paid to SBC Warburg Dillon Read with
respect to financial advisory services.  Monroc has also agreed to reimburse SBC
Warburg  Dillon Read for the expenses  reasonably  incurred by it in  connection
with its  engagement  (including  reasonable  counsel fees) and to indemnify SBC
Warburg  Dillon  Read  and  its  officers,  directors,   employees,  agents  and
controlling  persons  against  certain  expenses,  losses,  claims,  damages  or
liabilities in connection  with its services,  including those arising under the
federal securities laws.

Certain Effects of the Merger

     Upon consummation of the Merger, the stockholders of the Company will cease
to have any ownership interest in the Company or other rights as stockholders of
the  Company.  Instead,  each such  stockholder  (other  than  stockholders  who
properly  perfect  appraisal  rights in accordance with Section 262 of the DGCL)
will receive,  upon surrender of the  certificate or  certificates  representing
shares of Common Stock,  the Merger  Consideration in exchange for each share of
Common  Stock owned  immediately  prior to the  Effective  Time.  Following  the
Merger,  USAI will be the  beneficiary of any future  earnings and growth of the
Surviving   Corporation,   and  will  have  the  ability  to  benefit  from  any
divestitures,  strategic acquisitions or other corporate  opportunities that may
be pursued by the Surviving Corporation in the future.

     As a result of the Merger,  the Company  will be  privately  held and there
will be no market for its Common Stock.  Upon  consummation  of the Merger,  the
Common  Stock  will  cease to be listed on the Nasdaq  Stock  Market's  National
Market and  registration  of the Common  Stock  under the  Exchange  Act will be
terminated.

Interests of Certain Persons in the Merger

     In considering the recommendations of the Board of Directors of the Company
with respect to the Merger, stockholders should be aware that certain members of
the Board of Directors and  management of the Company have certain  interests in
the Merger that are in  addition to the  interests  of the  stockholders  of the
Company  generally.  The Board of  Directors  of the  Company was aware of these
interests and considered them, among other factors, in approving the Merger.

     Officers of the Company;  Employment Agreements;  Bonuses.  Pursuant to the
Merger  Agreement,  the officers of the Company  initially  will continue as the
officers of the Surviving Corporation.  Ronald D. Davis, the Company's President
and  Chief  Executive  Officer,   and  L.  William  Rands,  the  Company's  Vice
President--Finance,  Chief Financial Officer, Treasurer and Secretary, currently
have employment  agreements with the Company  providing for their  employment as
officers of the Company  through June 2, 1999 and July 31,  1998,  respectively.
These  employment  agreements  will  continue  to be in full  force  and  effect
following consummation of the Merger.

     Under the terms of his employment agreement,  Mr. Davis was granted options
to acquire  200,000  shares of Common  Stock,  of which  40,000 have an exercise
price of $5.125 per share and vested on July 1, 1996,  40,000  have an  exercise
price of $5.75 per share and vested on July 1,  1997,  40,000  have an  exercise
price of $6.60 per share and are scheduled to vest on July 1, 1998,  40,000 have
an exercise  price of $7.60 per share and are  scheduled to vest on July 1, 1999
and 40,000 have an exercise  price of $8.75 per share and are  scheduled to vest
on July 1, 2000. The employment  agreement further provides that upon any change
of control of the Company, such as a merger, all unvested options shall vest and
become  immediately  exercisable  at the  exercise  price for the most  recently
vested options.  Accordingly, in connection with the Merger, Mr. Davis' unvested
options to purchase  120,000  shares will become vested and  exercisable  at the
price of $5.75 per share,  the exercise price of the options that vested on July
1, 1997.

     Pursuant to an agreement  dated as of June 23, 1997 between the Company and
L. Williams  Rands,  the Company has agreed to pay $50,000 to Mr. Rands upon the
sale of all or part of the Company as  additional  compensation  for Mr.  Rands'
services  provided in connection with such transaction.  Accordingly,  Mr. Rands
will receive such $50,000 payment upon consummation of the Merger.

     Stock Options and Warrants. The Merger Agreement provides that, immediately
prior to the Effective Time, each outstanding Option and Warrant, whether or not
such Option or Warrant is then  exercisable,  shall be canceled in consideration
for the right to receive in cash an amount equal to the number of shares subject
to such option or warrant  multiplied by the difference  between $10.771 and the
exercise  price per share of such option or  warrant,  less any  applicable  tax
withholdings.

     BCCP I, the  principal  shareholder  of the  Company,  holds a  warrant  to
purchase  1,500,000  shares of Common  Stock at an  exercise  price of $6.25 per
share.  Marc T.  Scholvinck  is a director of the Company and is also a Managing
Director and the Chief Financial  Officer of Richard C. Blum & Associates,  L.P.
("Blum & Associates"),  the general partner of Building and Construction Capital
Partners,  L.P.  ("BCCP"),  which is the  general  partner of BCCP I.  Robert L.
Miller,  also a  director  of the  Company,  is a  limited  partner  of BCCP and
controls a family trust that is a limited partner of BCCP I.

     The  following  table  sets  forth,  with  respect to those  directors  and
executive  officers  holding  outstanding  Options,  (i) the number of shares of
Common Stock  subject to Options that were vested as of February 15, 1998,  (ii)
the number of shares of Common Stock subject to Options that were unvested as of
February 15, 1998 and (iii) the weighted average exercise price per share of the
vested and unvested Options.

<TABLE>
<CAPTION>


                                      Shares of          Shares of
                                     Common Stock      Common Stock    Weighted Average
                                      Subject to        Subject to      Exercise Price
Name and Title                      Vested Options   Unvested Options      Per Share
- --------------                      --------------   ----------------     ----------

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


Ronald D. Davis....................     80,000            120,000            $5.63
President, Chief Executive
  Officer and Director
L. William Rands...................     29,000              --                5.10
Vice President--Finance, Chief
  Financial Officer, Treasurer
  and Secretary
James E. Dahl .....................     13,000              --                6.54
  Director
William T. Lightcap ...............      5,000              --                5.00
  Director
Jules Ross ........................     10,000              --                5.00
  Director
Delbert Tanner ....................     13,000              --                6.68
  Director

</TABLE>


     Employee Stock Ownership Plan. Under the terms of the Monroc, Inc. Employee
Stock Ownership Plan, as amended (the "ESOP"), the Merger Consideration (i) with
respect to allocated  shares of Common Stock under the ESOP will be allocated to
the  participant  accounts from which the  allocated  shares were taken and (ii)
with respect to unallocated  shares of Common Stock under the ESOP will first be
used to repay the remaining  balance of  outstanding  ESOP loans secured by such
shares and the balance will be allocated  proportionately to the participants as
earnings of the ESOP. The payments under the ESOP to Messrs. Davis and Rands are
expected to be approximately $8,600 and $167,000, respectively.

     Indemnification  and Insurance.  The Merger Agreement  provides that, for a
period  of not less  than six  years  from the  Effective  Time,  the  Surviving
Corporation  shall indemnify and hold harmless each present and former employee,
agent,  director or officer of the Company and its subsidiaries from and against
any and all claims arising out of or in connection  with  activities,  including
without  limitation,  the transactions  contemplated by this Agreement,  in such
capacity, or on behalf of, or at the request of the Company, its subsidiaries or
affiliates, to the fullest extent permitted under Delaware law and, in addition,
to the fullest  extent  provided in their  respective  charters or bylaws or any
contract or other  arrangement  in effect at the date hereof  which  obligations
shall survive the Merger.  For a period of six years after the  Effective  Time,
the Surviving Corporation is obligated to maintain in effect certain policies of
directors'  and officers'  liability  insurance that are  substantially  no less
advantageous to the directors and officers than the policies  currently covering
such individuals. See "The Merger Agreement--Indemnification and Insurance."

Certain Federal Income Tax Consequences

     The  following   summary   discusses  the  material   federal   income  tax
consequences of the Merger to stockholders of the Company.  The summary is based
upon the Internal  Revenue Code of 1986,  as amended  (the  "Code"),  applicable
Treasury  Regulations   thereunder  and  administrative   rulings  and  judicial
authority as of the date hereof,  including  modifications  made by the Taxpayer
Relief Act of 1997.  All of the  foregoing  are subject to change,  and any such
change could affect the continuing  validity of the  discussion.  The discussion
assumes  that  holders of shares of Common  Stock hold such shares as a "capital
asset"  within the meaning of Section  1221 of the Code and does not address the
tax  consequences  that may be relevant to a particular  stockholder  subject to
special  treatment  under certain  federal  income tax laws,  such as dealers in
securities,  banks,  insurance companies,  tax-exempt  organizations,  corporate
stockholders which are collapsible  corporations,  non-United States persons and
stockholders  who acquired  shares of Common  Stock  pursuant to the exercise of
options or otherwise as compensation or through a tax-qualified retirement plan,
nor any  consequences  arising under the laws of any state,  locality or foreign
jurisdiction.

     The following discussion is limited to the United States federal income tax
consequences relevant to a holder of securities that is a citizen or resident of
the United  States,  or any state  thereof,  or a  corporation  or other  entity
created or  organized  under the laws of the  United  States,  or any  political
subdivision  thereof,  or an estate  the  income of which is  subject  to United
States   federal   income  tax  regardless  of  its  source  or  a  trust  whose
administration  is subject to the primary  supervision  of a United States court
and  which has one or more  United  States  persons  who have the  authority  to
control all substantial decisions of the trust.

     No ruling from the  Internal  Revenue  Service (the "IRS")  concerning  the
federal income tax consequences of the purchase,  ownership,  and disposition of
the securities will be requested.  The consequences set forth in this discussion
are not  binding  on the IRS or the courts  and no  assurance  can be given that
contrary positions will not be successfully  asserted by the IRS or adopted by a
court if the issues are litigated.  The Company has not sought and will not seek
any rulings from the IRS with respect to the positions of the Company  discussed
herein,  and there can be no  assurance  that the IRS will not take a  different
position  concerning  the  tax  consequences  of  the  purchase,   ownership  or
disposition of the securities.

     General.  The  receipt  of cash by a Monroc  stockholder  in the  Merger or
pursuant  to the  exercise  of  dissenters'  appraisal  rights will be a taxable
transaction  for federal  income tax  purposes  under the Code and may also be a
taxable transaction under applicable state,  local,  foreign income or other tax
laws. Generally, a stockholder will recognize gain or loss in an amount equal to
the  difference  between the cash  received by the  stockholder  pursuant to the
Merger and the  stockholder's  adjusted tax basis in the Common Stock  purchased
pursuant to the Merger. For federal income tax purposes,  such gain or loss will
be a capital gain or loss if the shares are a capital  asset in the hands of the
stockholder,  and a long-term  capital gain or loss if the stockholder meets one
of the  holding  periods  set forth below as of the  Effective  Time.  There are
significant limitations on the deductibility of capital losses by individuals or
corporations.  Capital  losses can offset  capital gains on a  dollar-for-dollar
basis and, in the case of an individual stockholder, capital losses in excess of
capital  gains can be deducted to the extent of $3,000  annually.  An individual
can carry forward unused capital losses indefinitely.  A corporation can utilize
capital losses only to offset capital gain income.  Generally,  a  corporation's
unused capital losses can be carried back three years and forward five years.

     Long-term  capital  gains  recognized  after July 28, 1997,  on  marketable
securities  such as the shares of Common Stock will be taxable at a maximum rate
of 20% for individuals if the individual's holding period is more than 18 months
and 28% if the holding period is more than one year but not more than 18 months,
and 35% for corporations.  Ordinary income is taxable at a maximum rate of 39.6%
for individuals and 35% for corporations.

     The  ESOP.  The  receipt  of cash by the ESOP in the  Merger  will not be a
taxable  transaction  for the ESOP or any of the individual  ESOP  participants,
unless a participant  chooses to withdraw any of such cash proceeds allocated to
his or her  account.  The cash  received  in the Merger for the shares of Common
Stock held by the ESOP will be  allocated  to the  participants'  accounts  from
which those shares were taken.  Cash proceeds from  unallocated ESOP shares will
be allocated  under the  provisions of the ESOP,  which  requires that such cash
proceeds  first be used to retire  unpaid debt of the ESOP and then be allocated
to the participants' accounts as earnings of the ESOP.

     Information Reporting and Backup Withholding.  A holder of Common Stock may
be subject to backup  withholding at the rate of 31% with respect to "reportable
payments,"  which may include  payments of dividends and the gross proceeds of a
sale of the Common Stock.  The payor will be required to deduct and withhold the
prescribed amounts unless such holder (i) is a corporation or comes within other
exempt categories and, when required,  demonstrates this fact or (ii) provides a
correct  taxpayer  identification  number,  certifies as to no loss to exemption
from backup withholding and otherwise  complies with applicable  requirements of
the backup  withholding rules. A holder of Common Stock who does not provide the
Company with his or her correct taxpayer identification number may be subject to
penalties  imposed  by the  IRS.  Amounts  paid  as  backup  withholding  do not
constitute an additional tax and will be credited  against the holder's  federal
income tax liabilities,  so long as the required  information is provided to the
IRS. The Company will report to the IRS the amount of any "reportable  payments"
for each calendar  year and the amount of tax withheld,  if any, with respect to
payment on the Common Stock.

     THE PRECEDING  DISCUSSION IS INTENDED ONLY AS A SUMMARY OF CERTAIN  FEDERAL
INCOME TAX  CONSEQUENCES  OF THE  MERGER  AND DOES NOT  PURPORT TO BE A COMPLETE
ANALYSIS OR  DISCUSSION OF ALL POTENTIAL  TAX EFFECTS  RELEVANT  THERETO.  THUS,
COMPANY  STOCKHOLDERS  ARE URGED TO  CONSULT  THEIR OWN TAX  ADVISORS  AS TO THE
SPECIFIC TAX CONSEQUENCES TO THEM OF THE MERGER,  INCLUDING TAX RETURN REPORTING
REQUIREMENTS,  THE APPLICABILITY AND EFFECT OF FEDERAL,  STATE, LOCAL, AND OTHER
APPLICABLE TAX LAWS AND THE EFFECT OF ANY PROPOSED CHANGES IN THE TAX LAWS.

Regulatory Approvals

     Under the HSR Act and the rules promulgated thereunder by the Federal Trade
Commission (the "FTC"),  the Merger may not be consummated  until  notifications
have been given and certain  information  has been  furnished to the FTC and the
Antitrust  Division of the Department of Justice (the "Antitrust  Division") and
specified waiting period requirements have been satisfied. Monroc and USAI filed
premerger  notification and report forms with the FTC and the Antitrust Division
on February 25, 1998.

     The  waiting  period  under the HSR Act for Monroc and USAI will  expire on
March  27,  1998 (30 days  after  the date of  filing),  unless  the  period  is
terminated  sooner pursuant to Monroc's and USAI's request for early termination
of the  waiting  period.  If Monroc or USAI  receives a request  for  additional
information  from the FTC or the Antitrust  Division  prior to the expiration of
the waiting period,  the period will terminate twenty days after Monroc and USAI
have substantially complied with the request.

     At any time before or after the Effective Time, the Justice Department, the
FTC or a private  person or entity could seek under the  antitrust  laws,  among
other things,  to enjoin the Merger.  There can be no assurance that a challenge
to the Merger will not be made or that, if such a challenge is made, the parties
to the  Merger  will  prevail.  The  obligations  of  Monroc,  USAI  and  Sub to
consummate  the Merger are subject to the  condition  that there be no temporary
restraining  order,  preliminary  or permanent  injunction or other order by any
court  of  competent  jurisdiction  or  other  legal  restraint  or  prohibition
preventing the consummation of the Merger. Each party has agreed to use its best
efforts to have any such injunction or order lifted. See "The Merger Agreement--
Conditions to the Merger" and "--Termination."

     Monroc,  USAI and Sub are not aware of any  license  or  regulatory  permit
which is material to the businesses of Monroc,  USAI and Sub and which is likely
to be  adversely  affected by  consummation  of the Merger or of any approval or
other action by any state,  federal or foreign government or governmental agency
(other than routine re-licensing procedures) that would be required prior to the
Merger.

Accounting Treatment

     For accounting and financial reporting purposes,  the Merger is intended to
be accounted for using the purchase method under generally  accepted  accounting
principles.

                              THE MERGER AGREEMENT

     The following is a summary of certain provisions of the Merger Agreement, a
copy of which is  attached  hereto as Appendix A and is  incorporated  herein by
reference. All references to and summaries of the Merger Agreement in this Proxy
Statement  are  qualified  in their  entirety  by, and made subject to, the more
complete information  contained in the Merger Agreement.  Stockholders are urged
to read carefully the Merger Agreement in its entirety.

The Merger

     Subject to the terms and  conditions of the Merger  Agreement,  Sub will be
merged with and into the Company,  whereupon the separate corporate existence of
Sub will cease and the Company will continue as the surviving corporation in the
Merger (the "Surviving Corporation"). The Merger will have the effects specified
in the DGCL.

     Upon the  satisfaction or waiver of all conditions to the Merger,  USAI and
the Company will cause a Certificate of Merger to be executed and filed with the
Secretary  of State of the State of Delaware.  The Merger will become  effective
upon the filing of the Certificate of Merger or at such later time as designated
in the Certificate of Merger (the "Effective Time").

Conversion of Securities; Treatment of Options

     At the Effective  Time,  each share of Common Stock issued and  outstanding
immediately  prior to the Effective  Time (other than shares owned by or held in
treasury  by the  Company,  shares  owned  by USAI  or any  direct  or  indirect
subsidiary of USAI and shares as to which appraisal  rights have been perfected,
and not withdrawn or otherwise lost,  under the DGCL) will be converted into the
right to receive $10.771 in cash without interest thereon.

     Immediately  prior to the  Effective  Time,  each Option  granted under the
Monroc,  Inc. 1996 Stock Option Plan and the Monroc, Inc. 1994 Stock Option Plan
(collectively,  the "Stock Option  Plans") and each  outstanding  Warrant of the
Company,  whether or not such  Option or Warrant is then  exercisable,  shall be
canceled,  and each holder of a canceled  Option or Warrant shall be entitled to
receive from the Company,  in  consideration  for cancellation and settlement of
such Option or Warrant, a cash payment equal to the product of (i) the aggregate
number of shares of Common  Stock  subject to the Option or Warrant and (ii) the
excess, if any, of the Merger Consideration over the exercise price per Share of
such  Option  or  Warrant.  Prior to the  Closing,  the  Company  will  make any
amendments to the Stock Option Plans,  the Warrants and any  agreements  related
thereto,  and will obtain any  consents  or  releases,  necessary  to effect the
transactions  contemplated  by the Merger  Agreement.  Any amounts  payable with
respect to Options or Warrants  shall be subject to any required  withholding of
taxes and shall be paid without interest.

     All  shares of  Common  Stock  converted  in the  Merger  will no longer be
outstanding  and will  automatically,  by virtue of the Merger and  without  any
action on the part of any holder thereof, be canceled and retired and will cease
to exist,  and each holder of a  certificate  representing  any such shares will
cease to have any rights  with  respect  thereto,  except the right to  receive,
without  interest,  the Merger  Consideration  into which such  shares have been
converted.

     Each share of Common  Stock owned by or held in treasury by the Company and
shares owned by USAI or any direct or indirect  subsidiary  of USAI  immediately
prior to the Effective Time will be  automatically  canceled and extinguished at
the Effective Time and no payment or  consideration  will be issued with respect
thereto.

Payment for Shares

     At or  prior to the  Effective  Time,  USAI  will  deposit,  or cause to be
deposited,  in trust with the Payment  Agent,  for the benefit of the holders of
shares of Common Stock,  immediately  available funds in an amount sufficient to
make all payments of the aggregate  Merger  Consideration on a timely basis (the
"Exchange Fund"). The Payment Agent will, pursuant to irrevocable  instructions,
make  payments out of the Exchange Fund to holders of record of shares of Common
Stock immediately prior to the Effective Time.

     Promptly after the Effective  Time, the Payment Agent will mail and/or make
available to each person who was, at the  Effective  Time, a holder of record of
shares of Common Stock, a notice and letter of transmittal and  instructions for
use in effecting the surrender of the Certificates representing shares of Common
Stock in  exchange  for the Merger  Consideration.  STOCKHOLDERS  OF THE COMPANY
SHOULD NOT FORWARD THEIR  CERTIFICATES  TO THE PAYMENT AGENT WITHOUT A LETTER OF
TRANSMITTAL, AND SHOULD NOT RETURN THEIR CERTIFICATES WITH THE ENCLOSED PROXY.

     Upon  surrender to the Payment Agent of a  Certificate,  together with such
letter of  transmittal  duly  executed  and  completed  in  accordance  with the
instructions  thereon,  the holder of such  Certificate  will be paid the Merger
Consideration  applicable  to the  Certificate  and  such  Certificate  shall be
canceled.  No  interest  will  be paid  or  accrued  in  respect  of the  Merger
Consideration.

     No transfer of shares of Common Stock outstanding  immediately prior to the
Effective  Time  will be made  on the  stock  transfer  books  of the  Surviving
Corporation  after the  Effective  Time.  Any portion of the Exchange Fund which
remains  unclaimed  by the  stockholders  of the  Company on the date six months
after the  Effective  Time will be repaid  to the  Surviving  Corporation,  upon
demand,  and any  stockholder  of the Company will  thereafter  look only to the
Surviving  Corporation  for payment of such  stockholder's  claim for the Merger
Consideration, without any interest thereon.

Directors and Officers of the Company

     The Merger  Agreement  provides  that the directors of Sub at the Effective
Time will be the directors of the Surviving  Corporation and the officers of the
Company at the Effective Time will be the officers of the Surviving Corporation,
in each case until their respective successors are duly elected (or appointed in
the case of officers) and qualified.

Representations and Warranties

     The Merger  Agreement  contains various  representations  and warranties by
each of the Company,  USAI and Sub, including  representations and warranties of
the Company  relating  to,  among other  things,  (i)  organization  and similar
corporate matters, (ii) capital structure,  (iii) the authorization,  execution,
delivery,  performance and enforceability of the Merger Agreement,  (iv) absence
of  certain  material  changes,  (v)  documents  filed by the  Company  with the
Commission,  the accuracy of  information  contained  therein and the absence of
undisclosed liabilities, (vi) the absence of conflicts with governing documents,
the  violations  of certain  laws or  instruments,  and  required  consents  and
approvals,  (vii) litigation,  (viii) compliance with material laws and permits,
(ix)  certain  employee  and labor  matters,  (x) the absence of defaults  under
material  contracts,  (xi) tax matters,  (xii) broker's fees with respect to the
Merger, (xiii) the accuracy of information supplied by the Company in connection
with this Proxy  Statement,  (xiv) employee  benefit  plans,  (xv) receipt of an
opinion of the Company's  financial advisor,  (xvi) the vote required to approve
the Merger, (xvii) intellectual property matters, (xviii) environmental matters,
(xix)   title  and  rights  to  owned  and  leased  real   property,   (xx)  the
recommendation  of the board of  directors  of the Company  with  respect to the
Merger and (xxi) certain indebtedness for borrowed money of the Company.

Conduct of Business; Certain Covenants

     During the  period  from the date of the Merger  Agreement  and  continuing
until the  Effective  Time,  the Company has agreed that it will in all material
respects  conduct its  operations  according to its ordinary and usual course of
business and consistent with past practice and will use commercially  reasonable
efforts to preserve intact in all material respects the business organization of
the  Company,  keep  available  the  services  of its current  officers  and key
employees  and preserve in all  material  respects the good will of those having
advantageous business  relationships with it and its subsidiaries.  In addition,
the Company has agreed that,  without the prior written consent of USAI, it will
not (i) issue,  sell or pledge any  additional  shares of its  capital  stock or
securities convertible into any such shares, or any rights,  warrants or options
to acquire any such shares or other convertible securities, (ii) split, combine,
subdivide, reclassify or redeem, or purchase or otherwise acquire, or propose to
do any of the  foregoing  with  respect to, any of its  outstanding  securities,
(iii)  declare or pay any dividend or  distribution  on shares of Common  Stock,
(iv)  subject to the  fiduciary  duties of the Board of Directors of the Company
(after  consultation  with and advice from  outside  legal  counsel)  and except
pursuant to agreements or arrangements in effect on the date hereof, purchase or
otherwise  acquire,  sell or otherwise dispose of or encumber (or enter into any
agreement to so purchase or otherwise  acquire,  sell or otherwise dispose of or
encumber)  material  properties or material assets except in the ordinary course
of business,  (v) subject to the rights of the stockholders of the Company under
applicable  law, adopt any  amendments to the charter  documents of the Company,
(vi)  increase  the  compensation  of  any  of its  directors,  officers  or key
employees,  except in the ordinary  course of business and consistent  with past
practice or pursuant to the terms of agreements or plans  currently in effect in
amounts material to the Company and its subsidiaries taken as a whole, (vii) pay
or agree to pay any pension,  retirement allowance or other employee benefit not
required or permitted  by any existing  plan,  agreement or  arrangement  to any
director,  officers or key  employee in amounts  material to the Company and its
subsidiaries taken as a whole,  (viii) commit itself (other than pursuant to any
collective  bargaining  agreement) to any  additional  pension,  profit-sharing,
bonus, extra compensation,  incentive,  deferred compensation,  stock purchaser,
stock  option,  stock  appreciation  right,  group  insurance,   severance  pay,
retirement or other employee benefit plan,  agreement or arrangement,  or to any
employment  or  consulting  agreement  with or for the benefit of any  director,
officer or key  employee,  whether  past or present in amounts  material  to the
Company  and its  subsidiaries  taken as a whole,  (ix)  except as  required  by
applicable  law,  amend in any  material  respect  any such plan,  agreement  or
arrangement or (x) except in the ordinary course of business and consistent with
past  practice  (A) incur any  material  amount of  long-term  indebtedness  for
borrowed  money or issue any  material  amount  of debt  securities  or  assume,
guarantee or endorse the  obligations of any other person except for obligations
of wholly  owned  subsidiaries  of the  Company,  (B) make any  material  loans,
advances or capital contributions to, or investments in, any other person (other
than to wholly owned  subsidiaries of the Company or customary loans or advances
to employees in amounts not material to the maker of such loan or advance),  (C)
pledge  or  otherwise  encumber  shares of  capital  stock of the  Company  or a
material portion of the capital stock of any if its subsidiaries or (D) mortgage
or pledge any of its  material  assets,  tangible  or  intangible,  or create or
suffer to exist any material lien thereupon.

No Solicitation

     Pursuant to the Merger Agreement,  the Company has agreed that it will not,
directly or indirectly,  solicit,  carry on  discussions  with or enter into any
agreement  with any  corporation,  partnership,  person or other entity or group
(other than USAI or an affiliate or an associate of USAI) concerning any merger,
acquisition  or  similar   transaction   involving,   or  the  sale  of  all  or
substantially  all of the assets or equity  securities of, the Company or any of
its  subsidiaries  or  divisions  (other  than with  respect  to  certain of the
Company's   operations)  (an  "Acquisition   Proposal").   Notwithstanding   the
foregoing, the Company may (i) directly or indirectly, furnish information to or
enter into  discussions and negotiations  with any person,  entity or group that
makes an  unsolicited  Acquisition  Proposal  if the Board of  Directors  of the
Company  determines  in good faith  (after  consultation  with and  advice  from
outside  legal  counsel) that such action is required for the Board of Directors
to comply with its fiduciary duties under applicable law, and (ii) to the extent
applicable,  comply with Rule 14e-2 and 14d-9 promulgated under the Exchange Act
with regard to an Acquisition Proposal.

Proxy Statement; Special Meeting

     Pursuant  to the  Merger  Agreement,  the  Company  has  agreed  to use its
commercially   reasonable   efforts  to  file  this  Proxy  Statement  with  the
Commission,  respond as promptly as is  reasonably  practicable  to any comments
made by the Commission with respect to this Proxy Statement and cause this Proxy
Statement  to be mailed  to the  stockholders  of the  Company  at the  earliest
practicable  time  following the date of the Merger  Agreement.  The Company has
also agreed to duly call and hold the Special  Meeting as soon as practicable to
consider and vote upon  approval of the Merger  Agreement  and the  transactions
contemplated thereby.

Standstill

     Pursuant to the Merger Agreement,  USAI has agreed that in the event of the
termination  of  the  Merger  Agreement,  neither  USAI  nor  its  subsidiaries,
employees,  officers or  affiliates  will,  for a period of three years from the
date of the Merger  Agreement,  directly or indirectly  (unless USA has received
the prior written invitation or approval of a majority of the Board of Directors
of the Company)  solicit,  seek or offer to effect,  or make any written or oral
statement,  proposal or  announcement  with respect to, certain  transactions or
events with respect to the Company,  including,  among other things,  a business
combination, merger, tender or exchange offer, restructuring,  recapitalization,
purchase of  securities  or assets or similar  transaction  with  respect to the
Company or any affiliate thereof.

Indemnification and Insurance

     The Merger  Agreement  provides  that the Company will  indemnify  and hold
harmless,  and after the Effective Time the Surviving Corporation will indemnify
and hold harmless, each present and former employee,  agent, director or officer
of the Company and its subsidiaries (the "Indemnified Parties") from and against
any and all claims arising out of or in connection  with  activities,  including
without limitation,  the transactions  contemplated by the Merger Agreement,  in
such  capacity,  or on  behalf  of,  or at  the  request  of  the  Company,  its
subsidiaries or affiliates,  to the fullest extent  permitted under Delaware law
(subject to applicable limitations  thereunder) and, in addition, to the fullest
extend  provided in their  respective  charters or bylaws (subject to applicable
limitations  thereunder)  or any contract or other  arrangement in effect at the
date of the Merger Agreement, which obligations will survive the Merger and will
continue  in full  force and effect for a period of not less than six years from
the Effective  Time.  The Company,  and after the  Effective  Time the Surviving
Corporation,  will advance expenses  incurred with respect to the foregoing,  as
they are  incurred,  to the  fullest  extent  permitted  under  applicable  law,
provided that the person on whose behalf the expenses are advanced  provides and
undertakes  (which  need  not  be  secured)  to  repay  such  advances  if it is
ultimately determined that such person is not entitled to indemnification.

     The  Surviving  Corporation  will  use its  best  efforts  to  cause  to be
maintained  in effect  for not less than six years from the  Effective  Time the
current policies of directors,  and officers,  liability insurance maintained by
the Company and its  subsidiaries  (provided that the Surviving  Corporation may
substitute  therefor policies of at least the same coverage containing terms and
conditions which are no less advantageous so long as no lapse in coverage occurs
as a result of such  substitution)  with respect to all matters,  including  the
transactions  contemplated  by the  Merger  Agreement,  occurring  prior  to and
including the Effective Time; provided,  however, that the Surviving Corporation
will not be required to pay annual  premiums in excess of 200% of the  Company's
total  current  annual   premiums  for  such  insurance  and  if  the  Surviving
Corporation  is unable to obtain the requisite  insurance it will obtain as much
comparable  insurance  as can be obtained  for an annual  premium  equal to such
maximum amount.

Fees and Expenses

     Each  party  will  bear its own  expenses  in  connection  with the  Merger
Agreement and the transactions contemplated thereby; provided,  however, that if
the Merger is consummated,  the Surviving Corporation will assume responsibility
for the payment of all Company  expenses in connection with the Merger Agreement
and  the  transactions  contemplated  thereby.  In  certain  circumstances  upon
termination of the Merger Agreement, the Company may be obligated to pay certain
fees to, or certain expenses of, USAI. See "--Termination Fees."

Conditions to the Merger

     The  obligations  of the  Company,  USAI and Sub to effect  the  Merger are
subject to the satisfaction or waiver, at or prior to the Effective Time, of the
following  conditions:  (i) the approval and adoption of the Merger Agreement by
the affirmative vote of the stockholders of the Company; (ii) the absence of any
statute,  rule,  regulation,  decree,  order or  injunction by any United States
federal or state  government,  governmental  agency or  authority or court which
prohibits,  restrains,  enjoins or restricts the consummation of the Merger; and
(iii) any waiting period  applicable to the consummation of the Merger under the
HSR Act shall have expired or been terminated.

     The  obligations  of USAI and Sub to effect the  Merger are  subject to the
satisfaction,  at or  prior  to the  Effective  Time,  of each of the  following
conditions:  (i) the  representations and warranties of the Company contained in
the Merger Agreement shall be true and correct in all material  respects (except
as to the  extent  such  representations  and  warranties  are  qualified  as to
materiality, in which case such representations and warranties shall be true and
correct  in  all   respects)   at  and  as  of  the  Closing  Date  as  if  such
representations  and  warranties  were made at and as of the Closing Date (other
than  representations  and warranties which address matters only as of a certain
date which shall be true and correct as of such certain date),  except as and to
the extent that the facts and  conditions  upon which such  representations  and
warranties  are based are  expressly  required or permitted to be changed by the
terms thereof;  (ii) the Company shall have  performed in all material  respects
all agreements and covenants required by the Merger Agreement to be performed by
it prior to or at the Effective Time; provided,  however,  that neither USAI nor
Sub shall be entitled to refuse to  consummate  the Merger in reliance  upon its
own breach or failure to  perform;  (iii) from the date of the Merger  Agreement
through  the  Effective  Time,  there shall not have  occurred  any change in or
effect on the business of the Company or any of its  subsidiaries,  individually
or in the  aggregate,  that is materially  adverse to the results of operations,
properties, financial condition or prospects of the Company and its subsidiaries
taken as a whole,  except  for such  changes or effects  resulting  from,  or in
connection with, general economic,  industry-wide or financial market conditions
or  resulting  from  discussions  or  efforts  of the  Company,  USAI or  USAI's
affiliates to divest certain of the Company's  operations after  consummation of
the Merger;  and (iv) USAI shall have received a certificate  executed on behalf
of the Company by an executive officer of the Company to the effect set forth in
clauses (i) through (iii).

     The  obligations  of the  Company to effect  the Merger are  subject to the
satisfaction,  at or  prior  to the  Effective  Time,  of each of the  following
conditions:  (i) the representations and warranties of USAI and Sub contained in
the Merger Agreement shall be true and correct in all material  respects (except
as to the  extent  such  representations  and  warranties  are  qualified  as to
materiality, in which case such representations and warranties shall be true and
correct  in  all   respects)   at  and  as  of  the  Closing  Date  as  if  such
representations  and  warranties  were made at and as of the Closing Date (other
than  representations  and warranties which address matters only as of a certain
date which shall be true and correct as of such certain date),  except as and to
the extent that the facts and  conditions  upon which such  representations  and
warranties  are based are  expressly  required or permitted to be changed by the
terms thereof;  (ii) USAI and Sub shall have performed in all material  respects
all agreements and covenants required by the Merger Agreement to be performed by
them prior to or at the  Effective  Time;  provided,  however,  that the Company
shall not be entitled to refuse to consummate  the  transaction in reliance upon
its own breach or failure to perform;  and (iii) the Company shall have received
a certificate executed on behalf of USAI and Sub by an executive officer of USAI
to the effect set forth in clauses (i) and (ii).

Termination

     The Merger  Agreement may be terminated  and the Merger may be abandoned at
any time  prior to the  Effective  Time:  (i) by  mutual  written  consent  duly
authorized by the Boards of Directors of the Company, USAI and Sub; (ii) by USAI
or the Company if (A) the  Effective  Time shall not have  occurred on or before
August 31, 1998 (provided that the right to terminate the Merger Agreement under
clause (ii) shall not be  available  to any party  whose  failure to fulfill any
obligations  under the Merger Agreement has been the cause of or resulted in the
failure of the Effective Time to occur on or before such date), (B) the approval
of the  Company's  stockholders  has not been  obtained  by August 31, 1998 at a
meeting duly convened  therefor or at any adjournment  thereof or (C) any United
States federal or state  government,  governmental  agency or authority or court
shall  have  issued  an  order,  decree or  ruling,  or taken any other  action,
permanently  restraining,  enjoining or otherwise  prohibiting the Merger (which
the party  seeking to terminate  the Merger  Agreement  shall have used its best
efforts to have  lifted or  reversed)  and such order,  decree,  ruling or other
action  shall have become final and  non-appealable;  (iii) by the Company if an
Acquisition  Proposal  has been made and the Board of  Directors  of the Company
determines,  in the exercise of its good faith judgment (after consultation with
and advice from outside legal counsel) that such termination is required for the
Board of Directors to comply with its fiduciary  duties under applicable law; or
(iv) by USAI if the Board of Directors of the Company withdraws or modifies in a
manner  adverse  to  USAI  or  Sub  its  determination  to  recommend  that  the
stockholders  of the Company approve the Merger  Agreement and the  transactions
contemplated thereby.

Termination Fees

     If (i) the Company terminates the Merger Agreement pursuant to clause (iii)
under the caption  "--Termination" above or USAI terminates the Merger Agreement
pursuant  to clause  (iv)  under the  caption  "--Termination"  above  following
receipt  by the  Company of an  Acquisition  Proposal  and (ii) the  Acquisition
Proposal which gave rise to such termination (or any revised  transaction  based
upon  such  Acquisition  Proposal)  is  consummated  within  six  months of such
termination,  then the Company (or any successor thereto) will pay to USAI a fee
of $2.0 million (the  "Termination  Fee") in immediately  available funds within
five business days following such termination. Only one Termination Fee shall be
payable  pursuant the Merger  Agreement.  If the Company has paid any amounts to
USAI as described in the  following  paragraph,  such amounts  shall be deducted
from any  Termination  Fee owed to USAI so that in no event shall the  aggregate
payments  made by the  Company to USAI with  respect to the  termination  of the
Merger Agreement exceed $2.0 million.

     If (i) the Company terminates the Merger Agreement pursuant to clause (iii)
under the caption  "--Termination" above or USAI terminates the Merger Agreement
pursuant  to clause  (iv)  under the  caption  "--Termination"  above  following
receipt by the Company of an  Acquisition  Proposal and (ii) the Company  enters
into a definitive  agreement with respect to the Acquisition Proposal which gave
rise to such termination (or any revised transaction based upon such Acquisition
Proposal)  within  six  months of such  termination,  then the  Company  (or any
successor thereto) will pay to USAI the out-of-pocket fees and expenses incurred
or paid by or on  behalf  of USAI or Sub in  connection  with  the  transactions
contemplated  by this  Agreement,  including  all fees and  expenses of counsel,
commercial banks, accountants, experts and consultants to USAI and Sub.

Voting Agreement

     Pursuant  to the Merger  Agreement,  USAI and BCCP I entered  into a Voting
Agreement  dated as January 29, 1998,  which  provides  that BCCP I, which owned
1,650,000 shares (or  approximately  36.6% of the outstanding  shares) of Common
Stock as of the Record  Date,  has agreed to vote its shares of Common  Stock in
favor of approval and adoption of the Merger  Agreement.  Under the terms of the
Voting Agreement,  BCCP I has granted a proxy to USAI to vote BCCP I's shares of
Common Stock in favor of approval  and  adoption of the Merger  Agreement at the
Special Meeting, subject to certain conditions and restrictions.

                                APPRAISAL RIGHTS

     Under the DGCL,  record  holders  of shares of Common  Stock who follow the
procedures  set  forth in  Section  262 and who  have not  voted in favor of the
Merger Agreement will be entitled to have their shares of Common Stock appraised
by the Delaware Court of Chancery and to receive  payment of the "fair value" of
such shares,  exclusive of any element of value arising from the  accomplishment
or expectation of the Merger,  together with a fair rate of interest, if any, as
determined  by  such  court.  The  following  is a  summary  of  certain  of the
provisions  of  Section  262 of the DGCL and is  qualified  in its  entirety  by
reference to the full text of such Section, which is attached hereto as Appendix
C and is incorporated herein by reference.

     Under Section 262, where a merger agreement is to be submitted for approval
and  adoption  at a  meeting  of  stockholders,  as in the  case of the  Special
Meeting,  not less than 20 calendar days prior to the meeting,  the Company must
notify  each of the  holders  of Common  Stock at the close of  business  on the
Record Date that such  appraisal  rights are  available and include in each such
notice a copy of Section 262. This Proxy Statement  constitutes such notice. Any
stockholder who wishes to exercise  appraisal rights should review the following
discussion  and  Appendix C  carefully  because  failure to timely and  properly
comply with the  procedures  specified in Section 262 will result in the loss of
appraisal rights under the DGCL.

     A holder of shares of Common  Stock  wishing to exercise  appraisal  rights
must deliver to the Company, before the vote on the approval and adoption of the
Merger Agreement at the Special Meeting,  a written demand for appraisal of such
holder's shares of Common Stock. Such demand will be sufficient if it reasonably
informs the Company of the identity of the  stockholder and that the stockholder
intends  thereby to demand the appraisal of his shares.  A proxy or vote against
the Merger Agreement will not constitute such a demand. In addition, a holder of
shares of Common Stock wishing to exercise  appraisal rights must hold of record
such  shares  on the date the  written  demand  for  appraisal  is made and must
continue to hold such shares through the Effective Time.

     Only a holder of record of  shares of Common  Stock is  entitled  to assert
appraisal  rights for the shares of Common  Stock  registered  in that  holder's
name. A demand for appraisal should be executed by or on behalf of the holder of
record  fully  and  correctly,  as  the  holder's  name  appears  on  the  stock
certificates.  Holders  of Common  Stock  who hold  their  shares  in  brokerage
accounts or other  nominee forms and who wish to exercise  appraisal  rights are
urged to consult with their brokers to determine the appropriate  procedures for
the making of a demand for  appraisal by such nominee.  All written  demands for
appraisal  of  Common  Stock  should  be  sent  or  delivered  to the  Corporate
Secretary,  Monroc,  Inc., P.O. Box 537, 1730 North Beck Street, Salt Lake City,
Utah,  84110,  so as to be received before the vote on the approval and adoption
of the Merger Agreement at the Special Meeting.

     If the shares of Common Stock are owned of record in a fiduciary  capacity,
such as by a trustee,  guardian or custodian,  execution of the demand should be
made in that capacity,  and if the shares of Common Stock are owned of record by
more than one  person,  as in a joint  tenancy or tenancy in common,  the demand
should be executed by or on behalf of all joint  owners.  An  authorized  agent,
including one or more joint owners, may execute a demand for appraisal on behalf
of a holder of record;  however,  the agent must  identify  the record  owner or
owners and expressly  disclose the fact that, in executing the demand, the agent
is agent for such owner or owners.  A record  holder  such as a broker who holds
Common Stock as nominee for several  beneficial  owners may  exercise  appraisal
rights with respect to the Common Stock held for one or more  beneficial  owners
while not exercising such rights with respect to the Common Stock held for other
beneficial  owners; in such case, the written demand should set forth the number
of  shares  as to which  appraisal  is  sought  and where no number of shares is
expressly  mentioned  the demand will be presumed to cover all Common Stock held
in the name of the record owner.

     Within ten calendar  days after the  Effective  Time,  the Company,  as the
surviving  corporation in the Merger, must send a notice as to the effectiveness
of the Merger to each person who has  satisfied  the  appropriate  provisions of
Section 262 and who has not voted in favor of the Merger  Agreement.  Within 120
calendar days after the Effective Time, the Company, or any stockholder entitled
to appraisal  rights under  Section 262 and who has complied  with the foregoing
procedures,  may file a petition in the Delaware  Court of Chancery  demanding a
determination  of the fair  value of the  shares of all such  stockholders.  The
Company is not under any  obligation,  and has no present  intention,  to file a
petition with respect to the appraisal of the fair value of the shares of Common
Stock.  Accordingly,  it is the obligation of the  stockholders  to initiate all
necessary action to perfect their appraisal rights within the time prescribed in
Section 262.

     Within 120 calendar  days after the  Effective  Time,  any  stockholder  of
record who has complied with the  requirements  for exercise of appraisal rights
will be entitled,  upon written request, to receive from the Company a statement
setting  forth the  aggregate  number of shares of Common  Stock with respect to
which  demands for  appraisal  have been  received and the  aggregate  number of
holders of such shares.  Such statements must be mailed within ten calendar days
after a written request therefor has been received by the Company.

     If a petition  for an appraisal  is timely  filed,  after a hearing on such
petition,  the  Delaware  Court of  Chancery  will  determine  the  stockholders
entitled to appraisal rights and will appraise the "fair value" of the shares of
Common Stock,  exclusive of any element of value arising from the accomplishment
or expectation of the Merger,  together with a fair rate of interest, if any, to
be paid upon the amount  determined  to be the fair value.  Holders  considering
seeking  appraisal should be aware that the fair value of their shares of Common
Stock as determined  under  Section 262 could be more than,  the same as or less
than the  $10.771  per share that they would  otherwise  receive if they did not
seek appraisal of their shares of Common Stock.  The Delaware  Supreme Court has
stated that "proof of value by any  techniques  or methods  which are  generally
considered  acceptable  in the financial  community and otherwise  admissible in
court" should be considered in the appraisal proceedings.  In addition, Delaware
courts have decided that the statutory  appraisal  remedy,  depending on factual
circumstances,  may or may not be a dissenter's exclusive remedy. The Court will
also determine the amount of interest, if any, to be paid upon the amounts to be
received by persons whose shares of Common Stock have been appraised.  The costs
of the action may be  determined  by the Court and taxed upon the parties as the
Court  deems  equitable.  The Court may also  order that all or a portion of the
expenses  incurred by any holder of shares of Common Stock in connection with an
appraisal,  including,  without limitation,  reasonable  attorneys' fees and the
fees and expenses of experts  utilized in the appraisal  proceeding,  be charged
pro rata  against  the value of all of the shares of Common  Stock  entitled  to
appraisal.

     The Court may require  stockholders  who have demanded an appraisal and who
hold Common Stock  represented by certificates  to submit their  certificates of
Common Stock to the Court for notation  thereon of the pendency of the appraisal
proceedings.  If any stockholder fails to comply with such direction,  the Court
may dismiss the proceedings as to such stockholder.

     Any  stockholder  who has duly  demanded an  appraisal in  compliance  with
Section 262 will not,  after the Effective  Time, be entitled to vote the shares
of Common  Stock  subject to such  demand for any  purpose or be entitled to the
payment of dividends or other distributions on those shares (except dividends or
other distributions payable to holders of record of shares of Common Stock as of
a date prior to the Effective Time).

     If any stockholder who demands  appraisal of shares under Section 262 fails
to perfect,  or  effectively  withdraws  or loses,  the right to  appraisal,  as
provided  in the  DGCL,  the  shares  of  Common  Stock of such  holder  will be
converted  into the right to receive  $10.771 per share in  accordance  with the
Merger  Agreement,  without  interest.  A stockholder  will fail to perfect,  or
effectively  lose,  the right to appraisal if no petition for appraisal is filed
within 120 calendar days after the Effective  Time. A stockholder may withdraw a
demand for appraisal by  delivering  to the Company a written  withdrawal of the
demand for appraisal and acceptance of the Merger,  except that any such attempt
to  withdraw  made more than 60  calendar  days  after the  Effective  Time will
require the written  approval of the Company.  Once a petition for appraisal has
been filed, such appraisal proceeding may not be dismissed as to any stockholder
without the approval of the Court.

                 SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
                            AND MANAGEMENT OF MONROC

     The following  table sets forth certain  information  regarding  beneficial
ownership  of the Common Stock as of the Record Date by (i) each person known to
the Company to beneficially own more than 5% of the outstanding shares of Common
Stock,  (ii) each director of the Company,  (iii) each executive  officer of the
Company and (iv) all directors and executive officers of the Company as a group.


                                               Number of Shares
                                                 Beneficially         Percent
Name and Address of Beneficial Owner               Owned(1)           of Class

BCCP I, L.P.(2)...................................  3,721,577           61.9%
         909 Montgomery Street, Suite 400
         San Francisco, CA 94133
Colonial Commercial Corp..........................    328,071            7.3
         3601 Hemstead Turnpike
         Suite 121-1
         Levittown, NY  11756
Monroc, Inc. Employee Stock Ownership Plan(3).....  1,163,719           25.8
James E. Dahl(4)..................................     13,000             *
Ronald D. Davis(5)................................     80,000            1.7
Michael A. Kane...................................         --             *
William Lightcap(7)...............................     15,000             *
Robert L. Miller(6)...............................  3,721,577           61.9
L. William Rands(8)...............................     43,658            1.0
Jules Ross(9).....................................     21,566             *
Marc T. Scholvinck(6).............................  3,721,577           61.9
Delbert H. Tanner(10).............................     13,100             *
All directors and executive officers as a group     3,907,901           63.4
 (14 persons).....................................

*    Represents ownership of less than 1.0%.

(1)  Except as indicated  below,  each of the  beneficial  owners  listed in the
     above  table  has,  to  the  knowledge  of the  Company,  sole  voting  and
     investment power with respect to the indicated shares of Common Stock.

(2)  Includes  1,650,000  shares held  beneficially  and of record and 1,500,000
     shares subject to an  unexercised  warrant that entitles BCCP I to purchase
     up to  1,500,000  shares  of  Common  Stock for $6.25 per share at any time
     prior to December 28, 2000.  Also includes  328,071 shares held by Colonial
     Commercial  Corp.  ("Colonial")  that are  subject  to  certain  agreements
     pursuant to which Colonial has agreed to vote its shares in favor of BCCP's
     nominees  for  directors  until  the end of the year  2000.  Also  includes
     243,506  unallocated shares owned by the ESOP. Under the terms of the ESOP,
     unallocated  shares owned by the ESOP are voted by management in accordance
     with the determination of the Board of Directors of the Company. A majority
     of the Board of Directors of the Company has been nominated by BCCP,  which
     is the general partner of BCCP I.


(3)  ESOP participants vote the shares allocated to their individual accounts on
     matters  submitted to a vote of stockholders.  Under the terms of the ESOP,
     the  243,506  unallocated  shares  owned  by the  ESOP  are to be  voted in
     accordance with the determination of the Board of Directors of the Company.
     Pursuant to the Merger  Agreement,  the Company has agreed to vote any such
     shares in favor of approval and adoption of the Merger Agreement.

(4)  Includes  options to purchase  13,000 shares  granted to Mr. Dahl which are
     exercisable within 60 days.

(5)  Includes  options to purchase  80,000 shares granted to Mr. Davis which are
     exercisable within 60 days.

(6)  Includes 3,721,577 shares beneficially owned by BCCP I. Mr. Scholvinck is a
     Managing Director and the Chief Financial Officer of Blum & Associates, the
     general  partner of BCCP. BCCP is the general partner of BCCP I. Mr. Miller
     is a limited  partner of BCCP, and a family trust  controlled by Mr. Miller
     is a limited partner of BCCP I.

(7)  Includes  10,000  shares  owned  directly  by Mr.  Lightcap  and options to
     purchase 5,000 shares granted to Mr. Lightcap which are exercisable  within
     60 days.

(8)  Includes 14,658 shares  allocated to Mr. Rands held in the ESOP and options
     to purchase 29,000 shares granted to Mr. Rands which are exercisable within
     60 days.

(9)  Includes  11,566 shares owned directly by Mr. Ross, and options to purchase
     10,000 shares granted to Mr. Ross which are exercisable within 60 days.

(10) Includes  100  shares  beneficially  owned by Mr.  Tanner  and  options  to
     purchase 13,000 shares granted to him which are exercisable within 60 days.

                              AVAILABLE INFORMATION

     The Company is subject to the  informational  requirements  of the Exchange
Act and in  accordance  therewith  file  reports,  proxy  statements  and  other
information  with the Commission.  Copies of the reports,  proxy  statements and
other information filed by the Company with the Commission, can be inspected and
copied at the public reference  facilities  maintained by 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 500 West Madison Street, Suite
1400, Chicago,  Illinois 60661, and 7 World Trade Center,  Suite 1300, New York,
New York 10048.  Copies of such materials can be obtained from the Commission at
prescribed  rates from the Public  Reference  Section of the  Commission  at 450
Fifth Street, N.W., Washington,  D.C. 20549. The Commission also maintains a web
site  at  http://www.sec.gov   which  contains  reports  and  other  information
regarding registrants that file electronically with the Commission. In addition,
the material  filed by the Company can be inspected at the offices of the Nasdaq
Stock Market's National Market, 1735 K Street N.W., Washington, D.C. 20006.

     USAI is not subject to the informational requirements of the Exchange Act.

     All  information  concerning the Company  contained in this Proxy Statement
has been  furnished by the Company and all  information  concerning  USAI or Sub
contained  in this Proxy  Statement  has been  furnished  by USAI.  No person is
authorized to make any  representation  with respect to the matters described in
this Proxy Statement  other than those  contained  herein and, if given or made,
such  information  or  representation  must not be relied  upon as  having  been
authorized by the Company,  USAI or any other person.  This Proxy Statement does
not constitute an offer to sell, or a solicitation of any offer to purchase, any
securities,  or make a solicitation of a proxy, in any jurisdiction in which, or
to or from any person to or from whom,  it is  unlawful to make such an offer or
solicitation.  The  delivery  of  this  Proxy  Statement  shall  not  under  any
circumstances  be deemed to imply that  there has been no change in the  assets,
properties  or affairs of the  Company or USAI since the date hereof or that the
information  set forth herein is correct as of any time  subsequent  to the date
hereof.

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

     The following  documents filed with the Commission by the Company (File No.
000-23880) are incorporated by reference in this Proxy Statement:

     (1)  The  Company's  Annual  Report on Form 10-K for the fiscal  year ended
          December 31, 1996;

     (2)  The  Company's  Quarterly  Reports on Form 10-Q for the periods  ended
          March 31, 1997, June 30, 1997 and September 30, 1997;

     (3)  The Company's Quarterly Report on form 10-QA for the period ended June
          30, 1997; and

     (4)  The  Company's  Current  Reports  on Form 8-K dated  April  14,  1997,
          September 26, 1997, January 15, 1998 and February 3, 1998.

     All documents and reports filed by the Company with the Commission pursuant
to Sections 13(a),  13(c), 14 or 15(d) of the Exchange Act after the date hereof
and prior to the date of the Special  Meeting shall be deemed to be incorporated
by  reference  herein and shall be part  hereof  from the date of filing of such
documents.

     Any  statement  contained  in a  document  incorporated  or  deemed  to  be
incorporated  by reference  herein shall be deemed to be modified or  superseded
for  purposes of this Proxy  Statement  to the extent  that a statement  in this
Proxy Statement or in any other  subsequently  filed document which is deemed to
be  incorporated by reference  modifies or supersedes  such statement.  Any such
statement so modified or superseded will not be deemed, except as so modified or
superseded, to constitute a part of this Proxy Statement.

     This Proxy Statement  incorporates by reference  documents  relating to the
Company which are not presented  herein or delivered  herewith.  These documents
relating to the  Company  (other than  exhibits  to such  documents  unless such
exhibits are  specifically  incorporated  by reference)  are  available  without
charge to any  person,  including  any  beneficial  owner,  to whom  this  Proxy
Statement is  delivered,  upon written or oral request from Monroc,  Inc.,  1730
North Beck Street,  P.O. Box 537, Salt Lake City,  Utah 84110,  Attention:  Bill
Rands. To ensure timely delivery of the documents prior to the Special  Meeting,
requests should be received by ______________, 1998.

                         INDEPENDENT PUBLIC ACCOUNTANTS

     Deloitte & Touche  L.L.P.  serves as the  Company's  independent  certified
public  accountants.  Representatives  of Deloitte & Touche L.L.P. are currently
expected to be at the Special Meeting to answer  questions by  stockholders  and
will have the opportunity to make a statement, if so desired.

                  STOCKHOLDER PROPOSALS FOR 1998 ANNUAL MEETING

     The  Company's  1998  Annual  Meeting of  Stockholders  has been  postponed
pending the results of the Special Meeting,  and will only be held if the Merger
is not consummated.  Stockholder  proposals intended to be presented at the 1998
Annual Meeting of Stockholders should have been received by the Secretary of the
Company prior to the date of this Proxy  Statement to be considered for possible
inclusion in the proxy  statement and form of proxy used in connection with such
meeting.

                                  OTHER MATTERS

     As of the date of this Proxy Statement,  the Board of Directors knows of no
other matters which may be presented for  consideration  at the Annual  Meeting.
However,  if any other matter is presented properly for consideration and action
at the  Annual  Meeting,  or any  adjournment  or  postponement  thereof,  it is
intended that the proxies will be voted with respect  thereto in accordance with
the best judgment and in the discretion of the proxy holders.


                                      By Order of the Board of Directors,



                                      RONALD D. DAVIS
                                      President and Chief Executive Officer

                                                                      Appendix A


                              AMENDED AND RESTATED
                          AGREEMENT AND PLAN OF MERGER


     This Amended and Restated  Agreement and Plan of Merger (this  "Agreement")
is dated as of January 29, 1998 and amended and restated as of March 4, 1998, by
and among U.S. Aggregates,  Inc., a Delaware corporation ("Purchaser"),  Western
Acquisition, Inc., a Delaware corporation and a wholly-owned indirect subsidiary
of Purchaser ("Sub"), and Monroc, Inc., a Delaware corporation (the "Company").

                                    RECITALS

     A. The Boards of  Directors  of  Purchaser,  Sub and the Company  each have
determined that the merger of Sub with and into the Company,  upon the terms and
subject  to the  conditions  set  forth  herein,  is fair  to,  and in the  best
interests of, their respective corporations and stockholders.

     B. Concurrently with the execution of the amendment and restatement of this
Agreement,  a significant  stockholder of the Company has reconfirmed the Voting
Agreement  attached hereto as Exhibit A (the "Voting  Agreement") which provides
that such  stockholders will vote their shares of common stock of the Company in
favor of this Agreement.

     C. Purchaser,  Sub and the Company desire to make certain  representations,
warranties,  covenants  and  agreements  in  connection  with,  and to establish
various conditions precedent to, the merger provided for herein.

                                    ARTICLE 1
                                   THE MERGER

     1.1.  Merger.  At the  Effective  Time,  upon the terms and  subject to the
conditions hereof, and in accordance with the provisions of the Delaware General
Corporation Law (the "DGCL") and the Certificate of Incorporation  and Bylaws of
the  Company,  Sub shall be merged  with and into the  Company  (the  "Merger").
Following the Merger,  the Company shall  continue as the surviving  corporation
(the "Surviving Corporation") under the name Monroc, Inc. and shall continue its
existence  under the laws of the State of Delaware,  and the separate  corporate
existence of Sub shall cease.

     1.2.  Consummation  of  the  Merger.  As  soon  as  practicable  after  the
satisfaction  or waiver of the  conditions  set forth in Article 6, the  parties
hereto will cause a duly executed and  acknowledged  certificate  of merger,  or
certificate  of  ownership  and merger if  permitted by the DGCL of the State of
(the "Merger Certificate"), to be filed with the Secretary of State of Delaware,
and the parties  hereto shall take all such other and further  actions as may be
required by law to make the Merger effective.  The Merger shall become effective
on the  date on which  the  Merger  Certificate  has been  duly  filed  with the
Secretary of State of the State of Delaware (such time is  hereinafter  referred
to as the "Effective  Time"). The closing of the Merger will take place at 10:00
a.m. on a date to be  specified  by the  Purchaser or Sub, but shall be no later
than the third  business day after  satisfaction  or waiver of the conditions to
closing set forth in Article 6 (the "Closing Date"),  at the offices of LeBoeuf,
Lamb, Greene & MacRae, L.L.P., 1000 Kearns Building, 136 South Main Street, Salt
Lake City,  Utah 84101,  unless another date or place is agreed to in writing by
the parties hereto.

     1.3 Effects of the Merger.  The Merger  shall have the effects set forth in
the DGCL. Without limiting the generality of the foregoing, and subject thereto,
at the  Effective  Time,  all the  properties,  rights,  privileges,  powers and
franchises of the Company and Sub shall vest in the Surviving  Corporation,  and
all debts, liabilities and duties of the Company and Sub shall become the debts,
liabilities and duties of the Surviving  Corporation.  As of the Effective Time,
the Company shall be a wholly owned subsidiary of Purchaser.

     1.4  Certificate  of  Incorporation  and  Bylaws.  Subject to Section  5.11
(indemnification),  the  Certificate of  Incorporation  and the Bylaws of Sub in
effect at the  Effective  Time shall be the  Certificate  of  Incorporation  and
Bylaws of the Surviving  Corporation until amended in accordance with applicable
law; provided that Article I of the Certificate of Incorporation of Sub shall be
Amended as of the Effective Time to read "The name of the corporation is Monroc,
Inc."

     1.5  Directors and  Officers.  The  directors of Sub at the Effective  Time
shall be the  directors  of the  Surviving  Corporation  and the officers of the
Company  at  the  Effective   Time  shall  be  the  officers  of  the  Surviving
Corporation, in each case until their respective successors are duly elected (or
appointed in the case of officers) and qualified.

                                    ARTICLE 2
                            CONVERSION OF SECURITIES

     2.1  Conversion  of  Securities.  At the  Effective  Time, by virtue of the
Merger and without any action on the part of Purchaser,  Sub, the Company or the
holders of any of the following securities:

     2.1.1 Each share of common stock,  par value $.01 per share, of the Company
issued and outstanding  immediately  prior to the Effective Time (the "Shares"),
other than Shares to be canceled pursuant to Section 2.1.2 and Dissenting Shares
(as hereinafter  defined),  shall by virtue of the Merger and without any action
on the part of the holder thereof be canceled and  extinguished and be converted
into the  right  to  receive  $10.771  without  interest  thereon  (the  "Merger
Consideration").

     2.1.2 Each Share which is issued and outstanding  immediately  prior to the
Effective Time and held by Purchaser or Sub or any direct or indirect subsidiary
of  Purchaser  or Sub, or which is held in the treasury of the Company or any of
its  subsidiaries,  shall be canceled  and retired and no payment  shall be made
with respect thereto.

     2.1.3 Each share of common stock,  par value $.01 per share,  of Sub issued
and outstanding  immediately prior to the Effective Time shall be converted into
and become one  validly  issued,  fully paid and  nonassessable  share of common
stock,  par value $.01 per share (or such other  value as may be  determined  by
Sub), of the Surviving Corporation.

     2.2 Employee Stock Options; Outstanding Warrants.  Immediately prior to the
Effective Time, each stock option (an "Option")  granted under the Monroc,  Inc.
1996  Stock   Option  Plan  and  the  Monroc,   Inc.   1994  Stock  Option  Plan
(collectively,  the "Stock Option  Plans") and each  outstanding  warrant of the
Company  (a  "Warrant"),   whether  or  not  such  Option  or  Warrant  is  then
exercisable,  shall be canceled and each holder of a canceled  Option or Warrant
shall be entitled to receive from the Company, in consideration for cancellation
and settlement of such Option or Warrant, a cash payment equal to the product of
(i) the aggregate number of Shares subject to the Option or Warrant and (ii) the
excess, if any, of the Merger Consideration over the exercise price per Share of
such   Option  or  Warrant   as  set  forth  in   Schedule   3.2  (the   "Option
Consideration").  Prior to the Closing,  the Company will make any amendments to
the Stock Option Plans,  the Warrants and any agreements  related  thereto,  and
will  obtain any  consents or  releases,  necessary  to effect the  transactions
contemplated by this Section 2.2. Any amounts  payable  pursuant to this Section
2.2 shall be  subject  to any  required  withholding  of taxes and shall be paid
without interest.

     2.3 Dissenting Shares; Payment For Shares. Notwithstanding anything in this
Agreement to the contrary, Shares outstanding immediately prior to the Effective
Time and held by holders  who did not vote in favor of the Merger and who comply
with all of the relevant  provisions of Section 262 of the DGCL (the "Dissenting
Shares")   shall  not  be  converted  into  the  right  to  receive  the  Merger
Consideration,  and the holders of such  Dissenting  Shares shall be entitled to
receive  payment of the appraised  value of such Shares in  accordance  with the
provisions  of Section  262 unless and until such  holders  shall have failed to
perfect or shall have  effectively  withdrawn or lost their rights to appraisal.
If,  after the  Effective  Time,  any such holder fails to perfect or shall have
effectively withdrawn or otherwise lost such right, each of such holder's Shares
shall  thereupon be deemed to have been converted into the right to receive,  as
of the Effective Time, the Merger  Consideration  without any interest  thereon.
The Company shall give Sub prompt notice of any demands  received by the Company
for appraisal of Shares,  and,  prior to the Effective  Time, Sub shall have the
right to participate in all  negotiations  and proceedings  with respect to such
demands.  Prior to the Effective  Time,  the Company shall not,  except with the
prior  written  consent of Sub,  make any payment  with respect to, or settle or
offer to settle, any such demands.

     2.4  Payment For  Shares.  Prior to the  Effective  Time,  Purchaser  shall
designate a United States bank or trust company  reasonably  satisfactory to the
Company to act as Payment Agent in the Merger (the "Payment Agent"). At or prior
to the Effective Time, Purchaser or Sub shall deposit, or cause to be deposited,
in  trust  with the  Payment  Agent  immediately  available  funds in an  amount
sufficient to make the payments  contemplated by Section 2.1.1 on a timely basis
(the  "Exchange  Fund").  The  Payment  Agent  shall,  pursuant  to  irrevocable
instructions  and subject to Section  2.4.3,  make  payments out of the Exchange
Fund to holders of record who hold  Shares  immediately  prior to the  Effective
Time and the Exchange Fund shall not be used for any other purpose. The Exchange
Fund may, as directed by the Surviving  Corporation  (so long as such directions
do  not  impair  the  rights  of  holders  of  Shares  to  receive   the  Merger
Consideration  promptly upon the  surrender of their shares in  accordance  with
this agreement),  be invested by the Payment Agent in direct  obligations of the
United States of America,  obligations  for which o the full faith and credit of
the United  States of America is pledged to provide for the payment of principal
and interest, commercial paper rated of the highest quality by Moody's Investors
Services,  Inc. or Standard & Poor's  Corporation,  or  certificates  of deposit
issued by a commercial bank having at least $1,000,000,000 in assets. Deposit of
funds pursuant hereto shall not relieve  Purchaser or the Surviving  Corporation
of their  obligations to make payments in respect of Shares and Purchaser hereby
guarantees the Surviving Corporation's obligations in respect thereof.

     2.4.1  Promptly  after the  Effective  Time,  Purchaser  and the  Surviving
Corporation  shall cause the Payment Agent to mail and/or make available to each
record holder,  as of the Effective Time, of a certificate or certificates  (the
"Certificates") which immediately prior to the Effective Time represented Shares
(other than those cancelled  pursuant to Section 2.1.2),  a notice and letter of
transmittal  (which shall specify that delivery  shall be effected,  and risk of
loss and title to the Certificates  shall pass, only upon proper delivery of the
Certificates  to the Payment  Agent) and  instructions  for use in effecting the
surrender  of the  Certificates  in exchange  for the Merger  Consideration.  As
promptly as practicable  after  surrender to the Payment Agent of a Certificate,
together  with  such  letter of  transmittal  duly  executed  and  completed  in
accordance with the instructions  thereon,  the holder of such Certificate shall
be paid in  exchange  therefor  cash in an amount  equal to the  product  of the
number  of Shares  represented  by such  Certificate  multiplied  by the  Merger
Consideration, and such Certificate shall be canceled. No interest shall be paid
or accrued in respect of the Merger Consideration. If payment is to be made to a
person  other  than the  person in whose  name the  certificate  surrendered  is
registered,  it  shall  be a  condition  of  payment  that  the  Certificate  so
surrendered  shall be properly endorsed or otherwise in proper form for transfer
and that the person  requesting  such  payment  shall pay any  transfer or other
taxes  required by reason of the payment to a person  other than the  registered
holder of the  surrendered  Certificate or establish to the  satisfaction of the
Surviving  Corporation  that such tax has been paid or is not applicable.  Until
surrendered  in  accordance  with  the  provisions  of this  Section  2.4,  each
Certificate  (other than  Certificates  cancelled  pursuant to Section 2.1.2 and
Dissenting  Shares) shall represent for all purposes solely the right to receive
the Merger Consideration, without any interest thereon.

     2.4.2 After the  Effective  Time,  there shall be no transfers of Shares on
the stock transfer books of the Surviving  Corporation.  If, after the Effective
Time,  Certificates  are  presented  to  the  Payment  Agent  or  the  Surviving
Corporation,  they shall be canceled and  exchanged for cash as provided in this
Section 2.4, subject to applicable law in the case of Dissenting Shares.

     2.4.3 Any  portion of the  Exchange  Fund which  remains  unclaimed  by the
stockholders  of the  Company on the date six months  after the  Effective  Time
shall be repaid to the Surviving  Corporation,  upon demand, and any stockholder
of the  Company  who  has  not  theretofore  complied  with  Section  2.4  shall
thereafter  look  only  to  the  Surviving   Corporation  for  payment  of  such
stockholder's claim for the Merger Consideration, without any interest thereon.

                                    ARTICLE 3
                  REPRESENTATIONS AND WARRANTIES OF THE COMPANY

     The Company represents and warrants to Purchaser and Sub as follows:

     3.1 Organization and Qualification.  The Company and each subsidiary of the
Company is a corporation  duly organized,  validly existing and in good standing
under the laws of its jurisdiction of incorporation, has all requisite corporate
power and authority to own, lease and operate its properties and to carry on its
business  as now being  conducted  and is duly  qualified  to do  business  as a
foreign  corporation  and in good  standing  in each  jurisdiction  in which the
character  of  its   properties  or  the  nature  of  its  business  makes  such
qualification necessary, except where the failure to be so organized,  existing,
qualified or in good standing or have such power and authority  would not have a
Material  Adverse Effect (as defined in Section 8.12). The Company has delivered
or made  available  to  Purchaser  complete  and  correct  copies of its and its
subsidiaries'   respective   certificates  of  incorporation  and  bylaws.   All
subsidiaries of the Company and their respective  jurisdictions of incorporation
or organization are identified on Schedule 3.1.

     3.2 Capitalization. The authorized capital stock of the Company consists of
20,000,000  Shares and 1,000,000  shares of Preferred  Stock, par value $.01 per
share  ("Preferred  Shares").  No Preferred Shares are  outstanding.  All of the
outstanding  Shares have been duly  authorized  and validly issued and are fully
paid and nonassessable and free of preemptive rights. As of the date hereof, (i)
4,514,200  Shares were issued and  outstanding,  (ii) 52 Shares were held in the
Company's treasury,  (iii) 415,600 Shares were reserved for issuance pursuant to
outstanding  Options and (iv)  1,501,250  Shares were reserved for issuance upon
the exercise of outstanding Warrants. Except for the rights as set forth in this
Section 3.2,  there are not as of the date hereof any  outstanding or authorized
subscriptions,  options,  warrants,  calls,  rights,  commitments  or any  other
agreements of any character obligating the Company or any of its subsidiaries to
issue any additional  Shares or any other shares of capital stock of the Company
or any other  securities  convertible  into or evidencing the right to subscribe
for any Shares. The exercise prices of the outstanding  Options and Warrants are
set forth on Schedule 3.2.  Except as provided in Section 2.2 or as set forth on
Schedule 3.2, there are no outstanding  obligations of the Company or any of its
subsidiaries to repurchase,  redeem or otherwise acquire any of their respective
equity  securities.  Each of the outstanding  shares of capital stock of each of
the Company's  subsidiaries is duly authorized,  validly issued,  fully paid and
nonassessable,  and is owned, directly or indirectly, by the Company. The Shares
which are the subject of the Voting Agreement  represent  approximately 36.6% of
the total Shares outstanding as of the date hereof.

     3.3  Authority  Relative to this  Agreement.  The Company has all requisite
corporate  power and authority to execute and deliver this Agreement and subject
to the terms and conditions hereof, to consummate the transactions  contemplated
hereby  (other than,  with  respect to the Merger,  the approval and adoption of
this Agreement and the transactions  contemplated  hereby by the stockholders of
the Company in  accordance  with the  applicable  provisions  of the DGCL).  The
execution  and  delivery  of  this  Agreement  and  the   consummation   of  the
transactions  contemplated  hereby have been duly and validly  authorized by the
Board of Directors of the Company and no other corporate proceedings on the part
of the Company are necessary to authorize  this  Agreement or to consummate  the
transactions  so  contemplated  (other  than,  with  respect to the Merger,  the
approval and adoption of this Agreement and the transactions contemplated hereby
by the stockholders of the Company in accordance with the applicable  provisions
of the DGCL). This Agreement has been duly and validly executed and delivered by
the  Company  and,  assuming  this  Agreement  constitutes  a valid and  binding
obligation of each of Purchaser and Sub, this Agreement  constitutes a valid and
binding agreement of the Company,  enforceable against the Company in accordance
with its terms,  except  that such  enforcement  may be  subject to  bankruptcy,
insolvency, reorganization, moratorium or other similar laws now or hereafter in
effect relating to creditors' rights and the remedy of specific  performance and
injunctive  and other  forms of  equitable  relief may be  subject to  equitable
defenses and to the discretion of the court before which any proceeding therefor
may be brought.

     3.4 Absence of Certain Changes.  Except as disclosed in the Company Filings
(as defined in Section 3.5) or as set forth on Schedule 3.4,  since November 30,
1997 (a) the Company and its subsidiaries have not suffered any Material Adverse
Effect,  (b) the  Company  has not  issued any  shares of its  capital  stock or
granted any rights to purchase its capital stock or securities  convertible into
or exchangeable  for its capital stock or (c) the Company has not declared,  set
aside or made any payments of a dividend or other distribution in respect of any
of its capital stock and has not, directly or indirectly, redeemed, purchased or
otherwise acquired any of its capital stock.

     3.5 Reports; Financial Statements. Since December 31, 1994, the Company has
filed all required forms, reports and documents with the Securities and Exchange
Commission  (the  "SEC")  required  to be filed by it  pursuant  to the  federal
securities  laws and the SEC  rules and  regulations  thereunder  (the  "Company
Filings"),  all of which have been  delivered or made available to Purchaser and
all of  which  have  complied  in all  material  respects  with  all  applicable
requirements of the Securities Act of 1933, as amended (the  "Securities  Act"),
and the Securities  Exchange Act of 1934, as amended (the "Exchange  Act"),  and
the rules and regulations promulgated  thereunder.  None of the Company Filings,
including  without  limitation  any financial  statements or schedules  included
therein, at the time filed, contained any untrue statement of a material fact or
omitted to state a material fact  required to be stated  therein or necessary in
order to make the statements  therein, in light of the circumstances under which
they were made, not misleading. The audited and unaudited consolidated financial
statements  of the  Company  included  in such  reports  have been  prepared  in
accordance with generally accepted accounting principles applied on a consistent
basis (except as stated in such  financial  statements)  and fairly  present the
financial  position of the Company and its  consolidated  subsidiaries as of the
dates  thereof and the  results of their  operations  and  changes in  financial
position  for the periods  then  ended,  subject,  in the case of the  unaudited
financial statements, to normal year-end audit adjustments. Except as reflected,
reserved  against or otherwise  disclosed  in the  financial  statements  of the
Company included in the Company Filings,  as otherwise  disclosed in the Company
Filings or as  disclosed  on  Schedule  3.5,  neither the Company nor any of its
subsidiaries  has any material  liabilities  or  obligations  (whether  accrued,
absolute, contingent or otherwise) that would be required to be reflected on, or
reserved  against in, the  financial  statements  of the Company or in the notes
thereto,  prepared in accordance with generally accepted  accounting  principles
consistently  applied,  except  liabilities  arising in the  ordinary  course of
business since November 30, 1997.

     3.6  Consents  and  Approvals;  No  Violation.  Neither the  execution  and
delivery of this Agreement by the Company nor the consummation by the Company of
the transactions contemplated hereby will (except as disclosed by the Company on
Schedule 3.6):

     3.6.1 subject to the  obtaining of any requisite  approval of the Company's
stockholders, conflict with any provision of the Certificate of Incorporation or
Bylaws of the Company or the charter documents of the Company's subsidiaries;

     3.6.2 require any consent, approval,  authorization or permit of, or filing
with or notification to, any court, administrative agency or commission or other
governmental authority domestic or foreign (a "Governmental Entity"), except (i)
in connection with the Hart-Scott-Rodino  Antitrust Improvements Act of 1976, as
amended  (the "HSR Act"),  (ii)  pursuant to the  Exchange Act and the rules and
regulations  thereunder,  (iii) pursuant to state laws relating to takeovers and
state securities laws, (iv) the filing of the Merger Certificate pursuant to the
DGCL,   or  (v)  where  the  failures  to  obtain  such   consents,   approvals,
authorizations or permits,  or to make such filings or notifications,  would not
in the aggregate have a Material Adverse Effect;

     3.6.3  violate  any  order,  writ,  injunction,  decree,  statute,  rule or
regulation applicable to the Company or its subsidiaries,  except for violations
which, in the aggregate, would not have a Material Adverse Effect; or

     3.6.4  result  in a  default  (or give  rise to any  right of  termination,
cancellation or acceleration)  under any of the terms,  conditions or provisions
of any note, lease, mortgage,  license, agreement, permit or other instrument or
obligations  to which the  Company or any of its  subsidiaries  is a party or by
which the Company or any of its subsidiaries or any of their  respective  assets
may be bound,  except for such defaults (or rights of termination,  cancellation
or acceleration) as to which requisite waivers or consents have been obtained or
which, in the aggregate, would not have a Material Adverse Effect.

     3.7 Litigation.  Except as set forth on Schedule 3.7 or as disclosed in the
Company Filings filed prior to the date of this Agreement, there are no actions,
suits or proceedings  pending or, to the knowledge of the Executive  Officers of
the Company,  threatened  against the Company or any of its  subsidiaries  which
would have a Material Adverse Effect.

     3.8 Compliance  with Laws. To the best knowledge of the Executive  Officers
of the Company,  except as  disclosed in the Company  Filings or as set forth on
Schedule 3.8, the Company and its  subsidiaries  have conducted their businesses
in  accordance  with  applicable  federal,  state  and  local  laws,  rules  and
regulations,  except where the failure to so conduct their  businesses would not
in  the  aggregate  have  a  Material  Adverse  Effect.   The  Company  and  its
subsidiaries  hold  all  permits,  licenses,  variances,   exemptions,   orders,
franchises and approvals of all Governmental  Entities necessary for the conduct
of their respective businesses as presently conducted,  except where the failure
to so hold would not have a Material Adverse Effect (the "Company Permits"). The
Company and its  subsidiaries  are in  compliance  with the terms of the Company
Permits, except where the failure to so comply would not have a Material Adverse
Effect.

     3.9  Employee  Matters.  Except as set forth on Schedule  3.9,  none of the
Company or any of its  subsidiaries  is a party to, or bound by, any  collective
bargaining agreement,  contract or other agreement or understanding with a labor
union  or  labor  organization.  There  is no  unfair  labor  practice  or labor
arbitration proceeding pending or, to the knowledge of the Executive Officers of
the Company,  threatened against the Company or any of its subsidiaries,  except
for any such  proceedings  which  would  not in the  aggregate  have a  Material
Adverse Effect.

     3.10 Material  Contracts.  The Company has  delivered or made  available to
Purchaser true and complete copies of all written,  and written  descriptions of
all oral, contracts, agreements,  commitments, leases (including with respect to
personal property) and other arrangements to which it or any of its subsidiaries
is a party or by which it or any of its  subsidiaries  are bound  which  require
payments to be made in excess of $250,000 per year, other than agreements listed
in any of the other schedules attached hereto (the "Material  Contracts").  Each
of the  Material  Contracts  is listed on Schedule  3.10.  Each of the  Material
Contracts  is valid and in full  force and  effect  except to the  extent it has
previously expired in accordance with its terms.  Neither the Company nor any of
its  subsidiaries  is  in  violation  of or  in  default  under  (nor  does  any
circumstance exist which, with notice of the lapse of time or both, would result
in such a violation of or default under) any Material Contract,  other than such
violations or defaults which would not have a Material  Adverse  Effect.  To the
knowledge of the Executive Officers of the Company, none of the other parties to
the Material  Contracts  are in  violation of or in default  under (nor does any
circumstance exist which, with notice of the lapse of time or both, would result
in such a violation of or default under) any Material Contract,  other than such
violations or defaults which would not have a Material Adverse Effect.

     3.11 Taxes.

     3.11.1  Each of the  Company and its  Subsidiaries  (as  defined  below for
purposes of this Section  3.11) has timely filed all  material  federal,  state,
local and foreign Tax Returns (as defined below)  required to be filed by it for
tax years prior to the date of this Agreement or has timely requested extensions
and any such request has been  granted and has not expired.  Except as set forth
on  Schedule  3.11,  no  agreement  or  arrangement  extending  the  period  for
assessment or collection of Taxes of the Company or any of its  Subsidiaries  is
in  effect as of the date  hereof.  Each of such Tax  Returns  is  complete  and
accurate in all  material  respects.  All Taxes (as  defined  below) owed by the
Company  or any of its  Subsidiaries  on any such Tax  Return  have been paid or
accrued,  except for Taxes being  contested in good faith and for which adequate
reserves have been taken. The Company and each of its Subsidiaries have properly
accrued for all Taxes for such periods subsequent to the periods covered by such
Tax Returns.  For purposes of this Section  3.11,  the term  "Subsidiary"  of an
entity shall mean any corporation,  80% of the voting power and 80% of the total
value of all of the  outstanding  capital  stock of which are owned  directly by
such entity.

     3.11.2  Except as set forth on Schedule  3.11,  there are no pending or, to
the knowledge of the  Executive  Officers of the Company,  threatened  audits or
other proceedings by any court,  governmental or regulatory authority or similar
person in respect of Taxes or Tax Returns  relating to the Company or any of its
Subsidiaries  which,  if  determined  adversely  to  the  Company  or any of its
Subsidiaries, could reasonably be expected to have a Material Adverse Effect.

     3.11.3 No election under Section 338 of the Internal  Revenue Code of 1986,
as  amended  (the  "Code"),  has been  made or filed by or with  respect  to the
Company  or  any  of  its  Subsidiaries.  None  of  the  Company  or  any of its
Subsidiaries has agreed to make any adjustment pursuant to Section 481(a) of the
Code  by  reason  of any  change  in any  accounting  method,  and  there  is no
application  pending with any Taxing  Authority  (as defined  below)  requesting
permission for any changes in any accounting method of the Company or any of its
Subsidiaries. None of the assets of the Company or any of its Subsidiaries is or
will be  required  to be treated as being  owned by any person  (other  than the
Company or its Subsidiaries)  pursuant to the provisions of Section 168(f)(8) of
the Internal Revenue Code of 1954, as amended and in effect  immediately  before
the enactment of the Tax Reform Act of 1986.

     3.11.4 Except as set forth on Schedule 3.11,  none of the Company or any of
its Subsidiaries is party to, is bound by, or has any obligation  under, any Tax
sharing or allocation agreement or similar contract.

     3.11.5 Except as set forth on Schedule 3.11,  none of the Company or any of
its Subsidiaries is a party to any contract, agreement, plan or arrangement that
could  reasonably  be expected to result in the payment of any amount that would
not be deductible by the Company or any of its Subsidiaries by reason of Section
280G of the Code.

     3.11.6  Schedule 3.11  accurately  set forth (i) the amount of all deferred
intercompany  gains  for  purposes  of  Treasury  Regulation  section  1.1502-13
(including  any  predecessor  regulation)  with  respect to the  Company and its
Subsidiaries  and (ii) the amount of any excess loss account with respect to the
stock of each of the  Subsidiaries for purposes of Treasury  Regulation  section
1.1502-19 (including any predecessor regulation).

     3.11.7 For  purposes of this  Agreement,  the term  "Taxes"  shall mean all
taxes,  charges,  fees,  levies or other  similar  assessments  or  liabilities,
including  (i)  income,  gross  receipts , ad  valorem,  premium,  excise,  real
property,  personal  property,  sales, use, transfer,  withholding,  employment,
payroll and franchise taxes imposed by the United States or by any state,  local
or  foreign  government  or any  subdivision,  agency  or  similar  organization
thereof, and (ii) any interest,  fines, penalties,  assessments and additions in
connection  therewith.  For purposes of this  Agreement,  the term "Tax Returns"
shall mean any report,  return or statement  required to be supplied to a Taxing
Authority in connection  with Taxes.  For purposes of this  Agreement,  the term
"Taxing  Authority"  means  the  Internal  Revenue  Service  (the  "IRS") or any
domestic or foreign  Governmental  Entity  responsible for the administration of
Taxes.

     3.12  Brokerage  Fees and  Commissions.  Except for those fees and expenses
payable to SBC Warburg  Dillon Read Inc.  (the "Company  Financial  Advisor") (a
true and  complete  copy of whose  engagement  agreement  has been  provided  to
Purchaser),  no person or entity is  entitled  to receive  from the  Company any
investment banking,  brokerage or finder's fee in connection with this Agreement
or the transactions  contemplated  hereby based upon  arrangements made by or on
behalf of the Company.

     3.13 Proxy Statement. None of the information supplied or to be supplied by
the Company for inclusion or  incorporation  by reference in the Proxy Statement
(as  defined  herein)  will,  on the date it is first  mailed  to the  Company's
stockholders  or at the time of the  Stockholders  Meeting (as defined  herein),
contain any untrue  statement  of a material  fact or omit to state any material
fact required to be stated therein or necessary, in order to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading, except that no representation is made by the Company with respect to
statements  made or  incorporated  by  reference  therein  based on  information
supplied in writing by Purchaser or Sub specifically for inclusion therein.  The
Proxy Statement, insofar as it relates to the Company or its subsidiaries,  will
comply as to form in all material  respects with the  provisions of the Exchange
Act and the rules and regulations promulgated thereunder.

     3.14 Employee Benefit Plans; ERISA.

     3.14.1  Schedule  3.14.1 sets forth a complete and accurate list of (i) all
"employee benefit plans," as defined in Section 3(3) of the Employee  Retirement
Income  Security  Act of 1974,  as  amended  ("ERISA")  (collectively,  "Benefit
Plans"),  and (ii) all  employment  and  consulting  agreements  and all  bonus,
incentive  compensation,  deferred compensation,  disability,  severance,  stock
bonus,  stock option,  stock  purchase or vacation pay  agreements,  policies or
arrangements  which the Company or any of its subsidiaries  maintains or has any
liability  in respect  of and each of which has a cost to the  Company or any of
its subsidiaries in excess of $25,000 for any year (collectively,  the "Employee
Arrangements").

     3.14.2  With  respect to each  Benefit  Plan and  Employee  Arrangement,  a
complete and correct copy of each of the following documents (if applicable) has
been  delivered or made  available to Purchaser or its  representatives  (i) the
most recent plan and related trust documents,  (ii) the most recent summary plan
description, (iii) the most recent form 5500, (iv) the most recent determination
letter issued by the IRS and (v) the most recent actuarial report.

     3.14.3  Except  as  set  forth  on  Schedule  3.14,  the  Company  and  its
subsidiaries  have not  during the  preceding  six years had any  obligation  or
liability  with respect to a  multi-employer  plan within the meaning of Section
3(37) of ERISA.

     3.14.4 Each of the Benefit  Plans  intended to be qualified  under  Section
401(a) of the Code is so qualified.

     3.14.5 All  contributions  or other payments  required to have been made or
accrued  by the  Company  or any of its  subsidiaries  under the terms of any of
Benefit Plan or Employee Arrangement have been made or accrued, except for those
contributions  or payments the failure of which to make or accrue would not have
a Material Adverse Effect.

     3.14.6 The Benefit Plans and Employee Arrangements have been maintained and
administered  in all  material  respects  in  accordance  with  their  terms and
applicable laws.

     3.14.7  Except as  disclosed  in the Company  Filings or in Schedule  3.14,
there are no pending  or, to the  knowledge  of the  Executive  Officers  of the
Company,  threatened  actions,  claims or proceedings (other than routine claims
for  benefits)  against or involving  any Benefit Plan or Employee  Arrangement,
except for any of the foregoing which would not have a Material Adverse Effect.

     3.14.8 Except as disclosed in the Company  Filings or in Schedule 3.14, the
Company or any subsidiary  does not maintain or have an obligation to contribute
to retiree life or retiree health plans which provide for continuing benefits or
coverage for current or former officers,  directors and employees of the Company
or any of its subsidiaries,  except (i) as may be required under Part 6 of Title
I of ERISA or (ii) a medical  expenses  reimbursement  account plan  pursuant to
Section 125 of the Code.

     3.14.9 Except as disclosed in Schedule  3.14 or in  connection  with equity
compensation or except as discussed in this Agreement, neither the execution and
delivery of this Agreement nor the consummation of the transactions contemplated
hereby  will (i)  result in any  payment  becoming  due to any  employee  of the
Company or any of its  subsidiaries,  (ii)  increase in any  benefits  under any
Benefit Plan or Employee  Arrangement or (iii) result in the acceleration of the
time of payment of,  vesting or other rights with respect to any benefits  under
any Benefit Plan or Employee Arrangement.

     3.14.10 The Company and its  subsidiaries  have no liability  under Section
4069 of ERISA by reason of a transfer of an under funded pension plan.

     3.14.11 The  Company's  liability  under any  multi-employer  plan,  if the
Company  withdrew  in part or in whole  on the date  hereof,  would  not  exceed
$150,000.

     3.15 Opinion of Financial Advisor.  The Company has received the opinion of
the Company  Financial  Advisor to the effect that,  as of the date hereof,  the
Merger  Consideration is fair to the holders of Shares from a financial point of
view, a copy of which has been provided to Purchaser.

     3.16 Vote Required.  The  affirmative  vote of the holders of a majority of
the outstanding Shares is the only vote of the holders of any class or series of
the  Company's  capital  stock  necessary  to  approve  this  Agreement  and the
transactions contemplated hereby.

     3.17  Intellectual  Property.  Except as set forth on  Schedule  3.17,  the
Company and its subsidiaries possess or have adequate rights to use all material
trademark, trade name, patent, service mark, brand mark, brand names, industrial
designs and  copyrights  necessary  for the  operation  of their  businesses  as
currently  being  conducted,  except  where the  failure  to so  possess or have
adequate rights would not result in a Material Adverse Effect (collectively, the
"Company Intellectual Property").  To the knowledge of the Executive Officers of
the  Company,  the use of Company  Intellectual  Property  by the Company or its
subsidiaries does not conflict with, infringe upon, violate or interfere with or
constitute an appropriation of any right, title, interest or goodwill, including
any  trademark,  trade name,  patent,  service  mark,  brand  mark,  brand name,
computer program, database,  industrial design or copyright of any other person,
except for any such  conflict,  infringement,  violation,  interference,  claim,
invalidity, abandonment,  cancellation or unenforceability that would not have a
Material Adverse Effect.


3.18 Environmental Matters.

     3.18.1 For purposes of this Agreement:

          (i)  "Environmental  Law"  means  any  applicable  law  regulating  or
     prohibiting  releases of Hazardous  Materials  into any part of the natural
     environment,  or pertaining to the  protection  of natural  resources,  the
     environment  and public and  employee  health  and  safety  from  Hazardous
     Materials including the Comprehensive Environmental Response, Compensation,
     and Liability Act  ("CERCLA")  (42 U.S.C.  ss.9601 et seq.),  the Hazardous
     Materials  Transportation  Act (49 U.S.C.  ss. 1801 et seq.),  the Resource
     Conservation and Recovery Act (42 U.S.C. ss. 6901 et seq.), the Clean Water
     Act (33 U.S.C.  ss. 1251 et seq.), the Clean Air Act (33 U.S.C. ss. 7401 et
     seq.), the Toxic  Substances  Control Act (15 U.S.C. ss. 7401 et seq.), the
     Federal  Insecticide  Fungicide,  and Rodenticide Act (7 U.S.C.  ss. 136 et
     seq.),  and the  Occupational  Safety and Health Act (29 U.S.C.  ss. 651 et
     seq.) ("OSHA") and the regulations  promulgated  pursuant thereto,  and any
     such  applicable  state or local statutes and the  regulations  promulgated
     pursuant thereto, as such laws have been and may be amended or supplemented
     through the Closing Date;

          (ii) "Hazardous Material" means any substance, material or waste which
     is regulated by any public or governmental  authority in the  jurisdictions
     in which the applicable party or its subsidiaries conducts business, or the
     United  States,  including any material or substance  which is defined as a
     "hazardous waste," "hazardous material," "hazardous  substance," "extremely
     hazardous waste" or "restricted  hazardous  waste,"  "contaminant,"  "toxic
     waste" or "toxic  substance" under any provision of  Environmental  Law and
     shall also include petroleum, petroleum products, asbestos, polychlorinated
     biphenyls and radioactive materials;

          (iii) "Release" means any release spill, effluent,  emission, leaking,
     pumping, injection, deposit, disposal, discharge,  dispersal,  leaching, or
     migration into the environment, or into or out of any property; and

          (iv) "Remedial Action" means all actions,  including any expenditures,
     required by a governmental  entity or defined under any Environmental  Law,
     or voluntarily  undertaken to (a) clean up, remove,  treat, or in any other
     way ameliorate or address any Hazardous Materials or other substance in the
     environment;  (b) prevent the Release or threat of Release, or minimize the
     further  Release  of any  Hazardous  Material  so it does not  endanger  or
     threaten to endanger the public health or welfare or the  environment;  (c)
     perform pre-remedial studies and investigations or post-remedial monitoring
     and care  pertaining or relating to a Release;  or (d) bring the applicable
     party into compliance with any Environmental Law.

     3.18.2 Except as set forth on Schedule  3.18, the operations of the Company
and its subsidiaries are in compliance with all Environmental Laws, except where
the  failure to so comply  would not  reasonably  be expected to have a Material
Adverse Effect.

     3.18.3  Except  as  set  forth  on  Schedule  3.18,  the  Company  and  its
subsidiaries  have obtained and maintained all permits required under applicable
Environmental  Laws for the continued  operations of their respective  business,
except such permits the lack of which would not reasonably be expected to have a
Material Adverse Effect.

     3.18.4  Except  as  set  forth  on  Schedule  3.18,  the  Company  and  its
subsidiaries  (i)  are not  subject  to any  material  written  consent  decree,
compliance order or administrative  order from any Governmental  Entity or other
person  respecting any  Environmental  Law,  Remedial Action or any Release of a
Hazardous Material, (ii) have not received written notice under the citizen suit
provision  of any  Environmental  Law or (iii)  have not  received  any  written
request  for  information,  notice,  demand  letter,  administrative  inquiry or
complaint with respect to any Environmental Law, remedial Action or Release of a
Hazardous  Material,  except for with  respect to (ii) and (iii)  those  written
notices,  requests  or  other  documents  the  subject  matter  of  which  would
reasonably be expected to have a Material Adverse Effect.

     3.18.5  Except  as  set  forth  on  Schedule  3.18,  the  Company  and  its
subsidiaries have not received any written communication  alleging, with respect
to any such party,  the violation of or liability under any  Environmental  Law,
which violation or liability is outstanding and would  reasonably be expected to
have a Material Adverse Effect.

     3.18.6 Except as set forth on Schedule 3.18, neither the Company nor any of
its subsidiaries has any contingent  liability in connection with the Release of
any  Hazardous  Material  which would  reasonably be expected to have a Material
Adverse Effect.

     3.18.7 Except as set forth on Schedule  3.18, the operations of the Company
or its subsidiaries involving the transportation, treatment, storage or disposal
of hazardous  waste, as defined and regulated under 40 C.F.R.  Parts 260-270 (in
effect  as of the  date  of  this  Agreement)  or any  state  equivalent  are in
compliance with all  Environmental  Laws,  except where the failure to so comply
would not reasonably be expected to have a Material Adverse Effect.

     3.18.8  Except as set  forth on  Schedule  3.18,  to the  knowledge  of the
Company,  there is not now nor has there  been in the  past,  on or in any owned
property  of the  Company  or its  subsidiaries  any of the  following:  (i) any
underground storage tanks or surface impoundments,  (i) any  asbestos-containing
materials in friable form or (iii) any polychlorinated  biphenyls,  any of which
((i), (ii) or (iii)  preceding)  could reasonably be expected to have a Material
Adverse Effect.

     3.18.9 Except as set forth on Schedule 3.18, no judicial or  administrative
proceedings or governmental  investigations  are pending or, to the knowledge of
the Company,  threatened against the Company or any of its subsidiaries alleging
the violation of or seeking to impose  liability  pursuant to any  Environmental
Law.

     3.19 Title to Real Property; Leases. Schedule 3.19 sets forth a list of (a)
all real property  currently owned by the Company and its  subsidiaries  and (b)
all leases  with  respect to real  property  to which the  Company or any of its
subsidiaries is a party  (collectively,  the "Real Property Leases").  Except as
set forth on Schedule 3.19,  each of the Company and its  subsidiaries  has good
and marketable  title, or valid leasehold rights in the case of leased property,
to the real property owned or leased by it, including,  without limitation,  all
sand,  gravel,  rock and similar  mineral rights (and rights of access  thereto)
with respect to mineral producing  properties,  free and clear of any mortgages,
pledges,   liens,    encumbrances   and   security   interests    (collectively,
"Encumbrances"), except for (i) those Encumbrances reflected or reserved against
in the Company's  Quarterly  Report on Form 10-Q for the Quarter Ended September
30,  1997,  (ii)  Encumbrances  for  taxes,  levies,  imposts,   assessments  or
governmental charges of any kind which are not yet delinquent or which are being
contested in good faith by appropriate  proceedings,  (iii) liens for mechanics,
materialmen,  laborers, employees, suppliers or other liens arising by operation
of law for  which  amounts  which  are not yet  delinquent  or which  are  being
contested in good faith by appropriate proceedings,  (iv) as to leased property,
interests of lessors and  Encumbrances  affecting the interests of lessors,  (v)
deposits made in the ordinary course of business to secure  contractual or other
obligations  of  the  Company  or any of  its  subsidiaries,  if the  underlying
obligation  is not yet  delinquent,  and  (vi)  liens  or  defects  in  title or
leasehold  rights  that,  individually  or in the  aggregate,  would  not have a
Material  Adverse Effect.  Each of the Real Property Leases is valid and in full
force and effect,  except to the extent it has previously  expired in accordance
with its terms.  Neither the Company nor any of its subsidiaries is in violation
of or in default under any Real Property  Lease,  other than such  violations or
defaults  which  would  not  have a  Material  Adverse  Effect.  Notwithstanding
anything in Schedule 3.19 to the contrary,  the Company  represents and warrants
that there are no exceptions to the Company's title to its aggregate  properties
(as such  properties  are  identified as aggregate  properties on Schedule 3.19)
either  noted on  Schedule B to any of the title  policies  attached to Schedule
3.19 with respect to such aggregate properties or otherwise,  that would, in any
material way,  interfere with the Company's  title to its aggregate  properties,
its right to access such aggregate properties, or the Company's right to extract
and  remove  aggregates  from  such  properties  in the  ordinary  course of the
Company's business.

         3.20 Board Recommendation.  The Board of Directors of the Company, at a
meeting duly called and held, has by the vote of those  directors  participating
(a) determined that this Agreement and the transaction  contemplated  hereby are
fair  to and in the  best  interests  of the  stockholders  of the  Company  and
approved the same by at least a majority vote and (b) resolved to recommend that
the  holders  of  the  Shares  approve  this  Agreement  and  the   transactions
contemplated hereby.

     3.21  Indebtedness.  Except as set forth on Schedule  3.21 or as  otherwise
disclosed in the financial statements and notes thereto set forth in the Company
Filings,  the Company has no outstanding  indebtedness for borrowed money and is
not a  party  to  any  agreement  providing  for  the  creation,  incurrence  or
assumption thereof.

                                    ARTICLE 4
               REPRESENTATIONS AND WARRANTIES OF PURCHASER AND SUB

     Purchaser and Sub represent and warrant to the Company as follows:

     4.1  Organization.  Each  of  Purchaser  and  Sub  is  a  corporation  duly
organized,  validly  existing  and  in  good  standing  under  the  laws  of the
jurisdiction of its incorporation and has the requisite corporate power to carry
on its business as it is now being  conducted  except where the failure to be so
organized,  existing  and in good  standing or to have such power and  authority
would not in the  aggregate  have a material  adverse  effect on the  results of
operations,  properties or financial condition of Purchaser and its subsidiaries
taken as a whole or on the ability of  Purchaser or Sub to fully  perform  their
obligations  hereunder.  Each of Purchaser and Sub has heretofore made available
to the Company an accurate and complete copy of its  respective  certificate  of
incorporation and Bylaws, as currently in effect.

     4.2 Authority Relative to This Agreement. Each of Purchaser and Sub has all
requisite  corporate  power and authority to execute and deliver this  Agreement
and to  consummate  the  transactions  contemplated  hereby.  The  execution and
delivery of this Agreement and the consummation of the transactions contemplated
hereby  have  been  duly and  validly  authorized  by the  respective  Boards of
Directors  of  Purchaser  and  Sub,  and the  stockholder  of Sub,  and no other
corporate proceedings on the part of Purchaser or Sub are necessary to authorize
this  Agreement or to consummate  the  transactions  contemplated  hereby.  This
Agreement has been duly and validly  executed and delivered by each of Purchaser
and Sub and, assuming this Agreement  constitutes a valid and binding obligation
of the Company, this Agreement constitutes a valid and binding agreement of each
of  Purchaser  and  Sub,  enforceable  against  each  of  Purchaser  and  Sub in
accordance  with its  terms,  except  that such  enforcement  may be  subject to
bankruptcy, insolvency, reorganization,  moratorium or other similar laws now or
hereafter  in effect  relating to  creditors'  rights and the remedy of specific
performance and injunctive and other forms of equitable relief may be subject to
equitable  defenses  and to  the  discretion  of  the  court  before  which  any
proceeding therefor may be brought.

     4.3 Consent and Approvals; No Violation. Neither the execution and delivery
of this Agreement by Purchaser and Sub nor the consummation by Purchaser and Sub
of the transactions contemplated hereby will:

     4.3.1  conflict  with  any  provision  of the  respective  Certificates  of
Incorporation or Bylaws (or other similar  governing  documents) of Purchaser or
Sub;

     4.3.2 require any consent, approval,  authorization or permit of, or filing
with or notification to, any Governmental Entity,  except (i) in connection with
the HSR Act,  (ii)  pursuant to the Exchange  Act and the rules and  regulations
thereunder,  (iii)  pursuant  to state  laws  relating  to  takeovers  and state
securities  laws,  if  any  are  applicable,  (iv)  the  filing  of  the  Merger
Certificate  pursuant to the  applicable law or (v) where the failures to obtain
such consents' approvals,  authorizations or permits, or to make such filings or
notifications,  would not in the aggregate  have any material  adverse effect on
the results of  operations,  properties or financial  condition of Purchaser and
its subsidiaries taken as a whole or on the ability of Purchaser or Sub to fully
perform their obligations hereunder;

     4.3.3  result  in a  default  (or give  rise to any  right of  termination,
cancellation or acceleration)  under any of the terms,  conditions or provisions
of any  note,  lease,  mortgage,  license,  agreement  or  other  instrument  or
obligations to which Purchaser or any of its subsidiaries is a party or by which
Purchaser or any of its  subsidiaries or any of their  respective  assets may be
bound,  except for such  defaults  (or rights of  termination,  cancellation  or
acceleration)  as to which  requisite  waivers or consents have been obtained or
which,  in the  aggregate,  would not have any  material  adverse  effect on the
financial  condition,  business or results of  operations  of Purchaser  and its
subsidiaries  taken as a whole or on the  ability of  Purchaser  or Sub to fully
perform their obligations thereunder; or

     4.3.4  violate  any  order,  writ,  injunction,  decree,  statute,  rule or
regulation  applicable  to  Purchaser  or any of its  subsidiaries,  except  for
violations  which would not have in the aggregate any material adverse effect on
the financial condition,  business or results of operations of Purchaser and its
subsidiaries  taken as a whole or on the  ability of  Purchaser  or Sub to fully
perform their obligations hereunder.

     4.4 Financing.  Purchaser has received  binding  written  commitments  from
financially  responsible  financial  institutions to obtain,  funds necessary to
consummate this Agreement and the transactions  contemplated thereby, and to pay
related fees and expenses,  and will make such funds available to Sub. Purchaser
has provided the Company with true and complete  copies of all  commitments  and
agreements from third parties to provide such financing to Purchaser or to Sub.

     4.5  Brokerage  Fees and  Commissions.  No person or entity is  entitled to
receive from Purchaser or Sub any investment banking,  brokerage or finder's fee
in connection with this Agreement or the transactions  contemplated hereby based
upon arrangements made by or on behalf of Purchaser or Sub.

                                    ARTICLE 5
                                    COVENANTS

     5.1 Conduct of  Business of the  Company.  Except as  contemplated  by this
Agreement  or as set forth on Schedule  5.1,  during the period from the date of
this Agreement to the Effective Time, the Company and its subsidiaries  shall in
all material respects conduct its operations according to its ordinary and usual
course of business and  consistent  with past practice and the Company shall use
commercially  reasonable efforts to preserve intact in all material respects the
business organization of the Company, keep available the services of its current
officers and key employees,  and preserve in all material respects the good will
of  those  having   advantageous   business   relationships   with  it  and  its
subsidiaries.  Without  limiting the generality of the foregoing,  and except as
contemplated by this Agreement,  as set forth on Schedule 5.1 or as disclosed in
writing to  Purchaser  on or prior to the date  hereof,  prior to the  Effective
Time, neither the Company nor any of its subsidiaries, as the case may be, will,
without the prior written consent of Purchaser:

     5.1.1 issue, sell or pledge, or authorize or propose the issuance,  sale or
pledge of, additional shares of its capital stock or securities convertible into
any such shares,  or any rights,  warrants or options to acquire any such shares
or other convertible  securities,  other than Shares,  preferred stock, treasury
shares,  rights,  warrants or options,  each as issuable pursuant to the Options
and Warrants;

     5.1.2  split,  combine,  subdivide,  reclassify  or redeem,  or purchase or
otherwise acquire, or propose to do any of the foregoing with respect to, any of
its outstanding securities;

     5.1.3 declare or pay any dividend or distribution on the Shares;

     5.1.4  subject to the  fiduciary  duties of the Board of  Directors  of the
Company  (after  consultation  with and advice from outside  legal  counsel) and
except  pursuant to  agreements  or  arrangements  in effect on the date hereof,
purchase or  otherwise  acquire,  sell or  otherwise  dispose of or encumber (or
enter into any agreement to so purchase or otherwise acquire,  sell or otherwise
dispose of or encumber)  material  properties  or material  assets except in the
ordinary course of business;

     5.1.5  subject  to the  rights of the  stockholders  of the  Company  under
applicable  law, adopt any amendments to the  Certificate  of  Incorporation  or
Bylaws of the Company;

     5.1.6 except as provided in Section 5.12, (i) increase the  compensation of
any of its directors, officers or key employees, except pursuant to the terms of
agreements or plans  currently in effect in amounts  material to the Company and
its  subsidiaries  taken  as a whole;  (ii)  pay or  agree  to pay any  pension,
retirement  allowance or other employee benefit not required or permitted by any
existing  plan,  agreement  or  arrangement  to any  director,  officers  or key
employee in amounts  material to the  Company  and its  subsidiaries  taken as a
whole;  (iii) commit itself (other than  pursuant to any  collective  bargaining
agreement) to any additional pension, profit-sharing, bonus, extra compensation,
incentive,   deferred  compensation,   stock  purchaser,   stock  option,  stock
appreciation right, group insurance, severance pay, retirement or other employee
benefit  plan,  agreement or  arrangement,  or to any  employment  or consulting
agreement  with or for the  benefit of any  director,  officer or key  employee,
whether past or present in amounts  material to the Company and its subsidiaries
taken as a whole;  or (iv) except as required by  applicable  law,  amend in any
material respect any such plan, agreement or arrangement; or

     5.1.7 except in the ordinary  course of business and  consistent  with past
practice,  (i) incur any material amount of long-term  indebtedness for borrowed
money or issue any material  amount of debt  securities or assume,  guarantee or
endorse the  obligations  of any other person except for  obligations  of wholly
owned  subsidiaries of the Company;  (ii) make any material  loans,  advances or
capital  contributions  to, or  investments  in, any other person (other than to
wholly  owned  subsidiaries  of the  Company or  customary  loans or advances to
employees in amounts not  material to the maker of such loan or advance);  (iii)
pledge  or  otherwise  encumber  shares of  capital  stock of the  Company  or a
material  portion  of the  capital  stock  of any if its  subsidiaries,  or (iv)
mortgage or pledge any of its material assets, tangible or intangible, or create
or suffer to exist any material lien thereupon;

     5.2 Acquisition  Proposals.  The Company shall not, directly or indirectly,
solicit,  carry  on  discussions  with or  enter  into  any  agreement  with any
corporation,  partnership, person or other entity or group (other than Purchaser
or an affiliate or an associate of Purchaser) concerning any merger, acquisition
or similar transaction involving, or the sale of all or substantially all of the
assets or equity  securities  of,  the  Company  or any of its  subsidiaries  or
divisions  (other  than with  respect  to the  Company's  ready-mix  operations,
precast/prestressed  concrete operations or Wyoming operations) (an "Acquisition
Proposal").  Notwithstanding  the  foregoing,  the Company  may (i)  directly or
indirectly,  furnish  information to or enter into  discussions and negotiations
with any person, entity or group that makes an unsolicited  Acquisition Proposal
if the  Board of  Directors  of the  Company  determines  in good  faith  (after
consultation  with and advice from outside  legal  counsel)  that such action is
required for the Board of Directors  to comply with its  fiduciary  duties under
applicable  law, and (ii) to the extent  applicable,  comply with Rule 14e-2 and
14d-9 promulgated under the Exchange Act with regard to an Acquisition Proposal.
The Company will promptly  communicate to Purchaser the terms of any proposal or
inquiry  which it may  receive  in respect of any  Acquisition  Proposal  by any
person (other than  Purchaser or any affiliate of Purchaser or their  respective
directors, officers, employees, representatives and agents).

     5.3. Access to Information.

     5.3.1 Subject to  applicable  law and the  agreements  set forth in Section
5.3.2,  between the date of this  Agreement and the Effective  time, the Company
will (i) give Purchaser and its authorized  representatives  reasonable  access,
during regular business hours upon reasonable  notice, to all of its facilities,
books  and  records  and key  employees,  (ii)  permit  Purchaser  to make  such
reasonable  inspections as it may be required,  and (iii) cause its officers and
those of its subsidiaries to furnish Purchaser with such financial and operating
data and other  information  with  respect  to the  business  and  assets of the
Company  and its  subsidiaries  as  Purchaser  may from time to time  reasonably
request.

     5.3.2 Information  obtained by Purchaser pursuant to this Section 5.3 shall
be subject to the provisions of the confidentiality  agreement between Purchaser
and the Company  dated  September  26, 1997 (the  "Confidentiality  Agreement"),
which  agreement  remains  in full  force and  effect;  except  insofar  as such
provisions  would  expressly  prohibit  Purchaser  or Sub from taking any of the
actions contemplated by this Agreement.

     5.4 Best Efforts. Subject to the fiduciary duties of the Board of Directors
of the Company under  applicable  law as advised by legal  counsel,  each of the
parties hereto agrees to use its best efforts to take, or cause to be taken, all
necessary  or  appropriate  action,  and to do, or cause to be done,  all things
necessary,  proper  or  advisable  under  applicable  laws  and  regulations  or
otherwise to consummate and make effective the transactions contemplated by this
Agreement  including,  without  limitation,  the  execution  of  any  additional
instruments  necessary to consummate the  transactions  contemplated  hereby and
seeking to lift or reverse any legal  restraint  imposed on the  consummation of
the transactions  contemplated by this Agreement.  In case at any time after the
Effective  Time any further  action is  necessary  or desirable to carry out the
purposes of this  Agreement,  the proper  officers  and  directors of each party
hereto shall take all such necessary action.

     5.5  Stockholders'  Meeting.  The  Company,  acting  through  its  Board of
Directors,   shall  in  accordance  with  applicable  law,  its  Certificate  of
Incorporation  and Bylaws duly call,  give notice of, convene and hold an annual
or special meeting (the  "Stockholders  Meeting") of its stockholders as soon as
practicable  to  consider  and vote  upon  approval  of this  Agreement  and the
transactions   contemplated  hereby.  Subject  to  its  fiduciary  duties  under
applicable  laws as advised by legal  counsel,  the Company  will include in the
proxy statement  (such proxy  statement as amended or supplemented  from time to
time  being  referred  to herein  as the  "Proxy  Statement")  to be sent to the
Company's   stockholders   with   respect  to  the   Stockholders   Meeting  the
recommendation  of its Board of Directors that its stockholders vote in favor of
the approval and adoption of this  Agreement and the  transactions  contemplated
hereby. At the Stockholders  Meeting,  all of the Shares  beneficially  owned by
Purchaser  or its  affiliates,  if any,  shall be voted in favor of approval and
adoption of this Agreement and the transactions contemplated hereby.

     5.6 Proxy  Statement.  The  Company  will use its  commercially  reasonable
efforts (i) to obtain and furnish the information  required to be included by it
in the Proxy  Statement,  (ii) to file the Proxy  Statement  with the SEC, (iii)
after  consultation  with the other  parties  hereto,  respond as promptly as is
reasonably practicable to any comments made by the SEC with respect to the Proxy
Statement  and any  preliminary  version  thereof,  and  (iv)  cause  the  Proxy
Statement  to be mailed to its  stockholders  at the earliest  practicable  time
following  the  date of  this  Agreement.  The  information  provided  and to be
provided by the Company, Purchaser and Sub for use in the Proxy Statement shall,
as of the  date of  mailing  of the  Proxy  Statement  and as of the date of the
Stockholders  Meeting,  not include any untrue  statement of a material  fact or
omit to state a material  fact  required to be stated  therein or  necessary  in
order to make the statements  therein, in light of the circumstances under which
they were made, not misleading.

     5.7 Voting  Agreement.  Concurrently  with the execution of this Agreement,
Building and  Construction  Capital  Partners I, L.P. and Purchaser  shall enter
into the Voting Agreement set forth as Exhibit A hereto.

     5.8 Fees and Expenses. Each party shall bear its own expenses in connection
with this Agreement and the transactions contemplated hereby; provided, however,
that if the  Merger is  consummated,  the  Surviving  Corporation  shall  assume
responsibility  for the payment of all Company  expenses in connection with this
Agreement and the transactions contemplated hereby.

     5.9 Standstill. In the event of the termination of this Agreement,  neither
Purchaser nor its subsidiaries,  employees,  officers or affiliates shall, for a
period of three years from the date of this  Agreement,  directly or  indirectly
(unless and until Purchaser shall have received the prior written  invitation or
approval of a majority of the Board of Directors of the Company):

     5.9.1 solicit, seek or offer to effect, or effect;

     5.9.2  negotiate with or provide any  information to the Board of Directors
of the Company,  any director or officer of the Company,  any stockholder of the
Company,  any  employee  or  union  or  other  labor  organization  representing
employees of the Company or any other person with respect to;

     5.9.3 make any statement or proposal, whether written or oral, either alone
or in  concert  with  others,  to the Board of  Directors  of the  Company,  any
director or officer of the Company or any stockholder of the Company,  any union
or other labor organization  representing  employees of the Company or any other
person with respect to; or

     5.9.4 make any public announcement  (except as required by law) or proposal
or offer  whatsoever  (including,  but not  limited  to, any  "solicitation"  of
"proxies"  as such terms are defined or used in  Regulation  14A of the Exchange
Act) with respect to:

     (a) any form of business  combination or transaction  involving the Company
or any affiliate thereof,  including,  without limitation,  a merger,  tender or
exchange offer or liquidation of the Company's assets;

     (b) any form of restructuring, recapitalization or similar transaction with
respect to the Company or any affiliate thereof;

     (c) any  purchase  of any  securities  or  assets,  or rights or options to
acquire any  securities or assets  (through  purchase,  exchange,  conversion or
otherwise), of the Company or any affiliate thereof;

     (d) any  proposal to seek  representation  on the Board of Directors of the
Company or otherwise to seek to control or influence  the  management,  Board of
Directors or policies of the Company or any affiliate thereof;

     (e) any request or proposal to waive,  terminate or amend the provisions of
this Section 5.9; or

     (f) any  proposal or other  statement  inconsistent  with the terms of this
Section  5.9. or  instigate,  encourage,  joint,  act in concert  with or assist
(including,  but  not  limited  to,  providing  or  assisting  in any way in the
obtaining  of financing  for or acting as a joint  bidder or  co-bidder  for the
Company with) any third party to do any of the foregoing.

     5.10 Public  Announcements.  Purchaser  and the Company  shall consult with
each other  before  issuing  any press  release or  otherwise  making any public
statements with respect to the  transactions  contemplated by this Agreement and
shall not issue any such press release or make any such public  statement  prior
to such consultation, except as may be required by law.

     5.11 Indemnification And Insurance.

     5.11.1  The  Company  shall  indemnify  and hold  harmless,  and  after the
Effective Time the Surviving Corporation shall indemnify and hold harmless, each
present and former employee,  agent,  director or officer of the Company and its
subsidiaries  (the  "Indemnified  Parties")  from and against any and all claims
arising out of or in connection with activities,  including without  limitation,
the transactions  contemplated by this Agreement, in such capacity, or on behalf
of, or at the request of the Company,  its  subsidiaries  or affiliates,  to the
fullest extent  permitted under Delaware law (subject to applicable  limitations
thereunder) and in addition,  to the fullest extent provided in their respective
charters  or  Bylaws  (subject  to  applicable  limitations  thereunder)  or any
contract or other  arrangement  in effect at the date hereof  which  obligations
shall  survive  the  Merger  and shall  continue  in full force and effect for a
period of not less than six years from the Effective  Time;  provided,  however,
that if any claim or claims (a "Claim or  Claims")  are  asserted or made within
such six year period, all rights to indemnification in respect of any such Claim
or Claims shall continue until  disposition of any and all such Claims.  Without
limiting the foregoing,  the Company, and after the Effective Time the Surviving
Corporation,  shall advance expenses incurred with respect to the foregoing,  as
they are  incurred,  to the  fullest  extent  permitted  under  applicable  law,
provided that the person on whose behalf the expenses are advanced  provides and
undertakes  (which  need  not  be  secured)  to  repay  such  advances  if it is
ultimately determined that such person is not entitled to indemnification.

     5.11.2 The Surviving  Corporation shall use its best efforts to cause to be
maintained  in effect  for not less than six years from the  Effective  Time the
current policies of directors,  and officers,  liability insurance maintained by
the Company and its  subsidiaries  (provided that the Surviving  Corporation may
substitute  therefor policies of at least the same coverage containing terms and
conditions which are no less advantageous so long as no lapse in coverage occurs
as a result of such  substitution)  with respect to all matters,  including  the
transactions contemplated hereby, occurring prior to and including the Effective
Time;  provided that, in the event that any Claim or Claims are asserted or made
within such six-year period, such insurance shall be continued in respect of any
such  Claim or  Claims  until  final  disposition  of any and all  such  Claims;
provided  further that the  Surviving  Corporation  shall not be required to pay
annual premiums in excess of 200% of the Company's total current annual premiums
for such  insurance  and if the  Surviving  Corporation  is unable to obtain the
insurance  required  by this  Section  5.11 it shall  obtain as much  comparable
insurance as can be obtained for an annual premium equal to such maximum amount.

     5.12 Employee Benefit Plans.

     5.12.1 The Purchaser and the Surviving Corporation agree that all employees
of the  Company and its  subsidiaries  which are  offered  employment  after the
Effective Date shall be entitled to the same employee benefits, plans, programs,
arrangements and policies as are available to the employees of Purchaser and its
subsidiaries.

     5.12.2 From and after the Effective  Time,  the Purchaser and the Surviving
Corporation  shall assume and honor in accordance  with their terms all existing
employment and severance agreements and arrangements set forth on Schedule 5.12.

     5.12.3 If any employee of the Company or any of its subsidiaries  becomes a
participant in any employee benefit plan,  program or policy of the Purchaser or
the Surviving  Corporation,  such employee shall be given credit for purposes of
eligibility  and vesting  under such plan for all service prior to the Effective
Time with the Company and its subsidiaries,  or any predecessor employer (to the
extent such credit was given by the Company).

     5.12.4 The Surviving  Corporation shall provide  professional out placement
services  for  all  officers  and  salaried  employees  of  the  Company  or any
subsidiaries  employed at the Effective Time and who are  terminated  within one
year after the Effective Time.

     5.12.5 The Purchaser shall reimburse (or cause the Surviving Corporation to
reimburse)  any director,  officer or employee (or former  director,  officer or
director) of the Company or any of its  subsidiaries for all costs and expenses,
including attorneys' fees, incurred by such person in successfully enforcing the
provisions of this Section 5.

     5.13  Real  Estate  Gains  Tax and New  Real  Property  Transfer  Tax.  The
Purchaser  shall pay any State Tax on Gains  Derived from Certain Real  Property
Transfers  and Real  Property  Transfer  Tax and any  similar  tax in any  other
jurisdiction  (and any penalties or interest with respect to such taxes) payable
in connection  with the Merger or the  acquisition of a controlling  interest in
the Company by Purchaser  or Sub, and the  Purchaser  shall  indemnify  and hold
harmless the  stockholders  of the Company from and against any  liability  with
respect to such taxes (including any penalties, interest and professional fees).
The Purchaser shall file any returns with respect to such taxes.

     5.14 Employee Stock  Ownership Plan. The Company agrees that, in accordance
with its rights  under the  Monroc,  Inc.  Employee  Stock  Ownership  Plan (the
"ESOP"), the Company will direct the voting in favor of approval and adoption of
the Merger  Agreement  of any Shares held in the ESOP with  respect to which any
ESOP  participant has failed to give the ESOP trustee timely  instructions as to
how to vote such Shares.

                                    ARTICLE 6
                              CONDITIONS TO CLOSING

     6.1  Conditions  to Each  Party's  Obligation  to Effect  the  Merger.  The
respective  obligations  of each party to effect  the Merger are  subject to the
satisfaction  or waiver,  at or prior to the  Effective  Time,  of the following
conditions:

     6.1.1  This  Agreement   shall  have  been  approved  and  adopted  by  the
affirmative  vote of the  stockholders  of the Company to the extent required by
applicable law and the Certificate of Incorporation of the Company.

     6.1.2 No statute, rule, regulation,  decree, order or injunction shall have
been promulgated,  enacted,  entered or enforced by any United States federal or
state  government,  governmental  agency or authority or court which  remains in
effect and prohibits,  restrains,  enjoins or restricts the  consummation of the
Merger.

     6.1.3 Any waiting period applicable to the consummation of the Merger under
the HSR Act shall have expired or been terminated.

     6.2  Conditions to  Obligations  of Purchaser and Sub to Effect the Merger.
Unless waived by Purchaser in writing,  the  obligations of Purchaser and Sub to
effect the Merger provided for hereby shall be subject to the  satisfaction,  at
or prior to the Effective Time, of each of the following conditions:

     6.2.1 The  representations  and warranties of the Company contained in this
Agreement shall be true and correct in all material  respects  (except as to the
extent such  representations and warranties are qualified as to materiality,  in
which case such  representations and warranties shall be true and correct in all
respects)  at  and  as of  the  Closing  Date  as if  such  representations  and
warranties  were made at and as of the Closing Date (other than  representations
and  warranties  which address  matters only as of a certain date which shall be
true and correct as of such certain date),  except as and to the extent that the
facts and conditions  upon which such  representations  and warranties are based
are expressly required or permitted to be changed by the terms thereof.

     6.2.2 The  Company  shall  have  performed  in all  material  respects  all
agreements  and covenants  required  hereby to be performed by it prior to or at
the Effective Time; provided,  however,  that neither Purchaser nor Sub shall be
entitled to refuse to consummate the transaction in reliance upon its own breach
or failure to perform.

     6.2.3 From the date of this  Agreement  through the Effective  Time,  there
shall not have  occurred  any change in or effect on the business of the Company
or any of its subsidiaries, individually or in the aggregate, that is materially
adverse  to the  results  of  operations,  properties,  financial  condition  or
prospects of the Company and its subsidiaries taken as a whole,  except for such
changes or effects  resulting  from,  or in  connection  with general  economic,
industry-wide  or  financial  market   conditions;   provided,   however,   that
notwithstanding the occurrence of any change in or effect on the business of the
Company or any of its  subsidiaries,  individually or in the aggregate,  that is
materially adverse to the results of operations, properties, financial condition
or prospects of the Company and its subsidiaries taken as a whole, Purchaser and
Sub shall still be obligated to effect the Merger if such change in or effect on
the business of the Company or any of its  subsidiaries,  individually or in the
aggregate,  results from  discussions  or efforts of the  Company,  Purchaser or
Purchaser's   affiliates   to   divest   any   of  the   ready-mix   operations,
precast/prestressed  concrete operations or Wyoming operations of the Company or
its subsidiaries.

     6.2.4 Purchaser shall have received a certificate executed on behalf of the
Company  by an  executive  officer  of the  Company  to the  effect set forth in
clauses 6.2.1 through 6.2.3.

     6.3  Conditions to  Obligation of the Company to Effect the Merger.  Unless
waived by the Company in writing,  the  obligations of the Company to effect the
Merger provided for hereby shall be subject to the satisfaction,  at or prior to
the Effective Time, of each of the following conditions:

     6.3.1 The  representations and warranties of Purchaser and Sub contained in
this Agreement shall be true and correct in all material  respects (except as to
the extent such  representations and warranties are qualified as to materiality,
in which case such  representations  and warranties shall be true and correct in
all  respects)  at and as of the  Closing  Date as if such  representations  and
warranties  were made at and as of the Closing Date (other than  representations
and  warranties  which address  matters only as of a certain date which shall be
true and correct as of such certain date),  except as and to the extent that the
facts and conditions  upon which such  representations  and warranties are based
are expressly required or permitted to be changed by the terms thereof.

     6.3.2  Purchaser and Sub shall have performed in all material  respects all
agreements and covenants  required hereby to be performed by them prior to or at
the Effective Time; provided, however, that the Company shall not be entitled to
refuse to consummate the  transaction in reliance upon its own breach or failure
to perform.

     6.3.3 The Company shall have  received a certificate  executed on behalf of
Purchaser  and Sub by an executive  officer of Purchaser to the effect set forth
in clauses 6.3.1 and 6.3.2.

                                    ARTICLE 7
                                   TERMINATION

     7.1  Termination.  This  Agreement may be terminated  and the Merger may be
abandoned at any time  notwithstanding  approval  thereof by the stockholders of
the Company  (except as otherwise set forth in this Section  7.1),  but prior to
the Effective Time:

     7.1.1 by mutual written  consent duly authorized by the Boards of Directors
of the Company, Purchaser and Sub;

     7.1.2 by Purchaser or the Company if (i) the Effective  Time shall not have
occurred on or before August 31, 1998 (provided that the right to terminate this
Agreement  under this  Section  7.1.2 shall not be  available to any party whose
failure to fulfill any obligations under this Agreement has been the cause of or
resulted in the failure of the Effective  Time to occur on or before such date),
(ii) the approval of the Company's  stockholders required by Section 6.1.1 shall
not have been obtained by August 31, 1998 at a meeting duly convened therefor or
at any  adjournment  thereof  or  (iii)  any  United  States  federal  or  state
government,  governmental  agency or  authority  or court  shall have  issued an
order,  decree or ruling,  or taken any other action,  permanently  restraining,
enjoining  or  otherwise  prohibiting  the Merger  (which  the party  seeking to
terminate  this  Agreement  shall have used its best  efforts to have  lifted or
reversed) and such order, decree, ruling or other action shall have become final
and non-appealable;

     7.1.3 by the Company if an Acquisition Proposal has been made and the Board
of  Directors  of the  Company  determines,  in the  exercise  of its good faith
judgment  (after  consultation  with and advice from outside legal counsel) that
such  termination  is  required  for the Board of  Directors  to comply with its
fiduciary duties under applicable law; or

     7.1.4 by Purchaser  if the Board of  Directors of the Company  withdraws or
modifies in a manner adverse to Purchaser or Sub its  determination to recommend
that the stockholders of the Company approve this Agreement and the transactions
contemplated hereby.

     7.2 Effect of Termination.

     7.2.1 In the event of the termination of this Agreement pursuant to Section
7  hereof,   this  Agreement,   except  for  the  provisions  of  Section  5.3.2
(confidentiality),  Section 5.11  (indemnity),  Section 5.8 (fees and expenses),
Section 5.9  (standstill)  and this Section 7.2, shall forthwith become void and
have  no  effect,  without  any  liability  on  the  part  of any  party  or its
affiliates, directors, officers or stockholders.  Nothing in this Section 7.2 or
in Section 8.3 shall relieve any party to this Agreement of liability for breach
of this Agreement on or prior to the date of termination.

     7.2.2 If (i) the  Company  terminates  this  Agreement  pursuant to Section
7.1.3,  Purchaser  terminates this Agreement pursuant to Section 7.1.4 following
receipt  by the  Company of an  Acquisition  Proposal  or either the  Company or
Purchaser terminates this Agreement pursuant to clause (ii) of Section 7.1.2 and
immediately  prior  to  any  such  meeting  of  the  Company's  stockholders  an
Acquisition  Proposal was pending,  and (ii) the Acquisition Proposal which gave
rise to such termination (or any revised transaction based upon such Acquisition
Proposal)  is  consummated  within  nine  months of such  termination,  then the
Company (or any successor  thereto) shall pay to Purchaser a fee of $2.0 million
(the "Termination Fee") in immediately available funds within five business days
following such  termination.  Only one Termination Fee shall be payable pursuant
to this Section 7.2.2. If the Company has paid any amounts to Purchaser pursuant
to Section 7.2.3,  such amounts shall be deducted from any  Termination Fee owed
to  Purchaser  so that in no event  shall  the  aggregate  payments  made by the
Company to Purchaser pursuant to Sections 7.2.2 and 7.2.3 exceed $2.0 million.

     7.2.3 If (i) the  Company  terminates  this  Agreement  pursuant to Section
7.1.3,  Purchaser  terminates this Agreement pursuant to Section 7.1.4 following
receipt  by the  Company of an  Acquisition  Proposal  or either the  Company or
Purchaser terminates this Agreement pursuant to clause (ii) of Section 7.1.2 and
immediately  prior  to  any  such  meeting  of  the  Company's  stockholders  an
Acquisition  Proposal was pending,  then the Company (or any successor  thereto)
shall pay to Purchaser the  out-of-pocket  fees and expenses incurred or paid by
or  on  behalf  of  Purchaser  or  Sub  in  connection  with  the   transactions
contemplated  by this  Agreement,  including  all fees and  expenses of counsel,
commercial  banks,  accountants,  experts  and  consultants  to Parent  and Sub.
Payment of Purchaser's  expenses pursuant to this Section 7.2.3 shall be made no
later than five business days after  delivery to the Company of notice of demand
for payment and a written  itemization setting forth in reasonable detail all of
Purchaser's  expenses.  Notwithstanding  the  foregoing,  if the Company pays to
Purchaser the  Termination  Fee pursuant to Section  7.2.2,  no amounts shall be
owed to Purchaser by the Company pursuant to this Section 7.2.3.

                                    ARTICLE 8
                                  MISCELLANEOUS

     8.1 Amendment.  To the extent  permitted by applicable  law, this Agreement
may be  amended  by action  taken by or on behalf  of the  respective  Boards of
Directors of the Company, Purchaser and Sub at any time before or after adoption
of this Agreement by the  stockholders of the Company (if required by applicable
law) but, after any such stockholder  approval, no amendment shall be made which
decreases  the  Merger  Consideration  or  changes  the  form  thereof  or which
adversely affects the rights of the Company's stockholders hereunder without the
approval of such  stockholders.  This  Agreement may not be amended except by an
instrument in writing signed on behalf of all the parties.

     8.2 Extension; Waiver. At any time prior to the Effective Time, the parties
hereto, by action taken by or on behalf of the respective Boards of Directors of
the Company, Purchaser or Sub, may,

     8.2.1  extend the time for the  performance  of any of the  obligations  or
other acts of the other parties hereto;

     8.2.2 waive any inaccuracies in the  representations  and warranties of any
other  party  contained  herein  or in  any  document,  certificate  or  writing
delivered pursuant hereto by any other party; or

     8.2.3 waive  compliance with any of the agreements or conditions  contained
herein.  Any agreement on the part of any party to any such  extension or waiver
shall be valid only if set forth in an instrument in writing signed on behalf of
such party. The failure of any party to assert any of its rights hereunder shall
not constituent a waiver of such rights.

     8.3 Nonsurvival of Representations and Warranties.  The representations and
warranties  made in Articles 3 and 4 shall not survive beyond the Effective Time
or the  termination  of this  Agreement.  This  Section  8.3 shall not limit any
covenant or  agreement  of the parties  hereto  which by its terms  contemplates
performance after the Effective Time.

     8.4  Entire  Agreement;  Assignment.  This  Agreement,  together  with  the
Schedules  hereto,  (i) constitutes the entire  agreement among the parties with
respect to the subject matter hereof and  supersedes all other prior  agreements
and  understandings,  both  written  and oral,  other  than the  Confidentiality
Agreement,  among the parties or any of them with respect to the subject  matter
hereof and (ii) shall not be assigned by operation of law or otherwise, provided
that  Purchaser  or Sub may assign any of their  rights and  obligations  to any
wholly owned, direct or indirect subsidiary of Purchaser, but no such assignment
shall relieve Purchaser or Sub of its obligations hereunder.

     8.5 Enforcement of the Agreement. The parties hereto agree that irreparable
damage  would occur in the event that any of the  provisions  of this  Agreement
were not performed in accordance  with their  specific  terms or were  otherwise
breached.  It is accordingly  agreed that the parties and other persons entitled
to enforce this  Agreement  pursuant to this Section 8.5 shall be entitled to an
injunction or injunctions  to prevent  breaches of this Agreement and to enforce
specifically  the terms and  provisions  hereof in any  federal  or state  court
located in Delaware (as to which the parties agree to submit to jurisdiction for
the  purposes of such  action),  this being in  addition to any other  remedy to
which they are entitled at law or in equity.

     8.6  Validity.  If any  provision  of this  Agreement,  or the  application
thereof to any person or  circumstance,  is held invalid or  unenforceable,  the
remainder of this  Agreement,  and the  application  of such  provision to other
persons or circumstances,  shall not be affected  thereby,  and to such end, the
provisions of this Agreement are agreed to be severable.

     8.7   Notices.   All   notices,   requests,   claims,   demands  and  other
communications  hereunder  shall be in writing  and shall be given (and shall be
deemed to have teen duly given upon  receipt) by  delivery in person,  by cable,
telegram,  telex or  telecopies,  or by  registered  or certified  mail (postage
prepaid, return receipt requested) to the respective parties as follows:

            If to Purchaser or Sub: U.S. Aggregates, Inc.
                                    400 South El Camino Real
                                    Suite 500
                                    San Mateo, California 94402
                                    Attn: Michael J. Stone

            with a copy to:         Kirkland & Ellis
                                    200 East Randolph Drive
                                    Chicago, Illinois 60601
                                    Attn:  John A. Schoenfeld, Esq.

            If to the Company:      Monroc, Inc.
                                    1730 Beck Street
                                    P.O. Box 537
                                    Salt Lake City, Utah 84110
                                    Attn: Ronald D. Davis

            with copies to:         LeBoeuf, Lamb, Greene & MacRae, L.L.P.
                                    136 South Main Street
                                    1000 Kearns Building
                                    Salt Lake City, Utah 84101
                                    Attn:  Nolan S. Taylor, Esq.

or to such  other  address  as the  person  to whom  notice  is  given  may have
previously  furnished  to the others in  writing  in the manner set forth  above
(provided  that  notice of any change of address  shall be  effective  only upon
receipt thereof).

     8.8  Governing  Law. This  Agreement  shall be governed by and construed in
accordance with the laws of Delaware regardless of the laws that might otherwise
govern under principles of conflicts of laws applicable thereto.

     8.9 Descriptive Headings.  The descriptive headings herein are inserted for
convenience  of  reference  only and are not intended to be part of or to affect
the meaning or interpretation of this Agreement.

     8.10 Parties In Interest.  This  Agreement  shall be binding upon and inure
solely to the  benefit  of each party  hereto,  and  nothing in this  Agreement,
express or implied,  is  intended to confer upon any other  person any rights or
remedies of any nature  whatsoever  under or by reasons of this Agreement except
for the holders of Employee  Options with respect to Section 2.2, the holders of
Shares  with  respect to  Articles 1 and 2 and  Sections  5.9 and 8.4 (which are
intended to be for the benefit of the persons  provided for therein,  and may be
enforced by such persons).

     8.11 Counterparts.  This Agreement may be executed in counterparts, each of
which shall be deemed to be an original,  but all of which shall  constitute one
and the same agreement.

     8.12 Certain Definitions. As used in this Agreement:

     "Affiliate"  or  "Associate"  of a person  shall have the meaning  ascribed
thereto in Rule 1 2b-2 under the Exchange Act.

     "Beneficial Ownership" shall have the meaning as used in Rule 13d under the
Exchange Act.

     "Executive Officers" means Ronald D. Davis and L. William Rands.

     "Group" shall have the meaning as used in Rule 13d-5(b)  under the Exchange
Act.

     "Person" means any individual,  corporation,  company, group,  partnership.
association, governmental body or other entity.

     "Subsidiary"  of an entity shall means any  corporation,  a majority of the
outstanding  voting securities of which are owned directly or indirectly by such
entity.

     "Material  Adverse  Effect"  shall  mean any  change  in or  effect  on the
business of the Company or any of its subsidiaries that is materially adverse to
the results of operations,  properties or financial condition of the Company and
its subsidiaries taken as a whole,  except for such changes or effects resulting
from, or in connection with general economic,  industry-wide or financial market
conditions.

     8.13  Performance  By Sub.  Purchaser  hereby agrees to cause Sub to comply
with its  obligations  hereunder  and to cause Sub to  consummate  the Merger as
contemplated herein.

     IN WITNESS  WHEREOF,  each of the parties has caused this  Agreement  to be
executed on its behalf by its officers  thereunto duly authorized on the day and
year first above written.


                            PURCHASER

                            U.S. AGGREGATES, INC.



                             /s/ Michael J. Stone
                             Michael J. Stone

                             Its:  Executive Vice President


                             SUB

                             WESTERN ACQUISITION, INC.


                              /s/ Michael J. Stone
                              Michael J. Stone

                              Its:  Vice President


                             COMPANY

                             MONROC, INC.



                             /s/ Ronald D. Davis
                             Ronald D. Davis

                             Its:   President and Chief Executive Officer



                                                                      Appendix B

                   [SBC WARBURG DILLON READ, INC. LETTERHEAD]



                                                                January 29, 1998

The Board of Directors
Monroc, Inc.
1730 Beck Street
Salt Lake City, UT  84116


Gentlemen:

You have  requested  our opinion as to the fairness,  from a financial  point of
view,  of the per  share  cash  consideration  to be paid  to the  holders  (the
"Shareholders")  of  shares  of common  stock,  $0.01  par value per share  (the
"Common  Stock"),  of Monroc,  Inc.  (the  "Company"),  in  connection  with the
proposed acquisition (the "Acquisition") of the Company by U.S. Aggregates, Inc.

We have  assumed  that the  terms  of the  Acquisition  are as set  forth in the
Agreement  and Plan of Merger  dated as of January  29,  1998 (the  "Agreement")
among U.S.  Aggregates,  Inc.,  its  acquisition  subsidiary  (the  "Acquisition
Subsidiary") and the Company. We understand that each share of Common Stock will
have the right to receive $10.771 in cash upon consummation of the merger of the
Acquisition Subsidiary with and into the Company.

In arriving at our opinion,  we have,  among other things:  (i) reviewed certain
publicly available business and financial  information  relating to the Company;
(ii) reviewed the historical price and trading activity for the shares of Common
stock;  (iii) reviewed  certain  internal  financial  information and other data
provided to us by the Company  relating to the  business  and  prospects  of the
Company,  including  financial  projections  prepared by the  management  of the
Company,  on a pro forma basis for the acquisition of Treasure Valley  Concrete,
Inc. on January 6, 1998; (iv) conducted  discussions  with members of the senior
management  of the  Company;  (v) reviewed the  financial  terms,  to the extent
publicly  available,  of certain  acquisition  transactions  which we considered
relevant;  (vi) reviewed publicly available financial and securities market data
pertaining  to certain  publicly  held  companies in lines of business  which we
believed to be generally comparable to those of the Company; and (vii) conducted
such other financial studies,  analyses and investigations,  and considered such
other information as we deemed necessary or appropriate.

In  connection  with our  view,  with  your  consent,  we have not  assumed  any
responsibility for independent  verification of any of the foregoing information
and have relied upon its being  complete and accurate in all material  respects.
We have not been  requested to and have not made an  independent  evaluation  or
appraisal of any assets or liabilities  (contingent or otherwise) of the Company
or any of its subsidiaries,  nor have we been furnished with any such evaluation
or  appraisal.  Further,  we have assumed,  with your  consent,  that all of the
information,   including  the  projections  provided  to  us  by  the  Company's
management,  was prepared in good faith and on a basis reasonably reflecting the
best currently available estimates and judgments of the Company's  management as
to the  future  financial  performance  of the  Company,  and was based upon the
historical   performance  and  certain  estimates  and  assumptions  which  were
reasonable  at the time made.  In  addition,  our opinion is based on  economic,
monetary and market conditions existing on the date hereof.

We are acting as financial  advisor to the Company and its Board of Directors in
connection  with the Acquisition and will receive a fee from the Company for our
services.  In the ordinary course of its business,  SBC Warburg Dillon Read Inc.
may trade the  securities of the Company for its own account or for the accounts
of  customers,  and it may at any  time  hold a long or short  position  in such
securities.

It is understood that our advisory services and the opinion expressed herein are
provided for the  information  of the Board of Directors in their  evaluation of
the Acquisition, and our opinion is not intended to be and does not constitute a
recommendation  as  to  whether  or  not  any  Shareholder  should  approve  the
transaction or tender shares of Common Stock.

Based upon and subject to the  foregoing,  we are of the opinion that, as of the
date hereof,  the per share  consideration  to be offered to the Shareholders in
connection with the Acquisition is fair, from a financial point of view, to such
Shareholders.

Very truly yours,


SBC WARBURG DILLON READ INC.


                                                                      Appendix C


                        DELAWARE GENERAL CORPORATION LAW

SECTION 262.  APPRAISAL RIGHTS

     (a) Any  stockholder  of a  corporation  of this State who holds  shares of
stock on the date of the making of a demand  pursuant to subsection  (d) of this
section with respect to such shares,  who continuously holds such shares through
the effective date of the merger or  consolidation,  who has otherwise  complied
with  subsection  (d) of this section and who has neither  voted in favor of the
merger or consolidation nor consented thereto in writing pursuant to sec. 228 of
this title  shall be entitled  to an  appraisal  by the Court of Chancery of the
fair value of stockholder's shares of stock under the circumstances described in
subsections  (b) and (c) of this  section.  As used in this  section,  the  word
"stockholder"  means a holder of record of stock in a stock corporation and also
a member of record of a nonstock corporation; the words "stock" and "share" mean
and  include  what is  ordinarily  meant by those words and also  membership  or
membership  interest  of a  member  of a  nonstock  corporation;  and the  words
"depository  receipt" mean a receipt or other instrument  issued by a depository
representing an interest in one or more shares, or fractions thereof,  solely of
stock of a corporation, which stock is deposited with the depository.

     (b)  Appraisal  rights  shall be  available  for the shares of any class or
series of stock of a constituent  corporation in a merger or consolidation to be
effected  pursuant to sec.  251 (other than a merger  effected  pursuant to sec.
251(g) of this title),  sec. 252, sec. 254, sec. 257, sec. 258, sec. 263 or sec.
264 of this title:

     (1) Provided, however, that no appraisal rights under this section shall be
available  for the  shares of any class or series  of  stock,  which  stock,  or
depository  receipts in respect  thereof,  at the record date fixed to determine
the  stockholders  entitled  to receive  notice of and to vote at the meeting of
stockholders to act upon the agreement of merger or  consolidation,  were either
(i) listed on a national  securities exchange or designated as a national market
system security on an interdealer  quotation system by the National  Association
of  Securities  Dealers,  Inc.  or  (ii)  held of  record  by  more  than  2,000
stockholders;  and further  provided that no appraisal rights shall be available
for any shares of stock of the constituent corporation surviving a merger if the
merger did not  require for its  approval  the vote of the  stockholders  of the
surviving corporation as provided in subsection (f) of sec. 251 of this title.

     (2)  Notwithstanding  paragraph (1) of this  subsection,  appraisal  rights
under this section  shall be available  for the shares of any class or series of
stock of a constituent  corporation  if the holders  thereof are required by the
terms of an agreement of merger or  consolidation  pursuant to secs.  251,  252,
254,  257,  258,  263 and 264 of this title to accept  for such  stock  anything
except:

     a. Shares of stock of the  corporation  surviving  or  resulting  from such
merger or consolidation, or depository receipts in respect thereof;

     b.  Shares of stock of any other  corporation,  or  depository  receipts in
respect  thereof,  which  shares of stock (or  depository  receipts  in  respect
thereof)  or  depository  receipts  at  the  effective  date  of the  merger  or
consolidation  will be  either  listed  on a  national  securities  exchange  or
designated as a national  market  system  security on an  interdealer  quotation
system by the National Association of Securities Dealers, Inc. or held of record
by more than 2,000 holders;

     c. Cash in lieu of  fractional  shares or  fractional  depository  receipts
described in the foregoing subparagraphs a. and b. of this paragraph; or

     d. Any combination of the shares of stock,  depository receipts and cash in
lieu of fractional shares described in the foregoing subparagraphs a., b. and c.
of this paragraph.

     (3) In the  event  all of the stock of a  subsidiary  Delaware  corporation
party to a merger  effected  under  sec.  253 of this  title is not owned by the
parent  corporation  immediately prior to the merger,  appraisal rights shall be
available for the shares of the subsidiary Delaware corporation.

     (c) Any corporation may provide in its  certificate of  incorporation  that
appraisal  rights  under this section  shall be available  for the shares of any
class or series of its stock as a result of an amendment to its  certificate  of
incorporation,  any  merger  or  consolidation  in which  the  corporation  is a
constituent corporation or the sale of all or substantially all of the assets of
the corporation.  If the certificate of incorporation contains such a provision,
the procedures of this section, including those set forth in subsections (d) and
(e) of this section, shall apply as nearly as is practicable.

     (d) Appraisal rights shall be perfected as follows:

     (1) If a proposed merger or  consolidation  for which appraisal  rights are
provided  under this  section is to be  submitted  for  approval at a meeting of
stockholders, the corporation, not less than 20 days prior to the meeting, shall
notify each of its stockholders who was such on the record date for such meeting
with  respect to shares for which  appraisal  rights are  available  pursuant to
subsections (b) or (c) hereof that appraisal rights are available for any or all
of the shares of the constituent corporations,  and shall include in such notice
a copy of this section. Each stockholder electing to demand the appraisal of his
shares shall  deliver to the  corporation,  before the taking of the vote on the
merger or  consolidation,  a written  demand for  appraisal of his shares.  Such
demand  will be  sufficient  if it  reasonably  informs the  corporation  of the
identity of the stockholder  and that the stockholder  intends thereby to demand
the appraisal of his shares. A proxy or vote against the merger or consolidation
shall not constitute such a demand.  A stockholder  electing to take such action
must do so by a separate written demand as herein provided. Within 10 days after
the effective date of such merger or  consolidation,  the surviving or resulting
corporation  shall notify each stockholder of each  constituent  corporation who
has complied with this  subsection and has not voted in favor of or consented to
the merger or  consolidation  of the date that the merger or  consolidation  has
become effective; or

     (2) If the merger or  consolidation  was  approved  pursuant to sec. 228 or
sec.  253 of  this  title,  each  constituent  corporation,  either  before  the
effective  date of the merger or  consolidation  or within ten days  thereafter,
shall  notify  each of the  holders  of any  class  or  series  of stock of such
constituent  corporation who are entitled to appraisal rights of the approval of
the merger or  consolidation  and that appraisal rights are available for any or
all shares of such class or series of stock of such constituent corporation, and
shall  include in such  notice a copy of this  section;  provided  that,  if the
notice is given on or after the effective  date of the merger or  consolidation,
such notice shall be given by the surviving or resulting corporation to all such
holders of any class or series of stock of a  constituent  corporation  that are
entitled to  appraisal  rights.  Such notice may,  and, if given on or after the
effective  date  of  the  merger  or  consolidation,  shall,  also  notify  such
stockholders  of  the  effective  date  of  the  merger  or  consolidation.  Any
stockholder  entitled to appraisal  rights may, within 20 days after the date of
mailing  of such  notice,  demand in writing  from the  surviving  or  resulting
corporation  the  appraisal  of  such  holder's  shares.  Such  demand  will  be
sufficient  if it  reasonably  informs the  corporation  of the  identity of the
stockholder and that the stockholder  intends thereby to demand the appraisal of
such  holder's  shares.  If such  notice  did  not  notify  stockholders  of the
effective date of the merger or consolidation,  either (i) each such constituent
corporation  shall send a second notice before the effective  date of the merger
or  consolidation  notifying each of the holders of any class or series of stock
of such  constituent  corporation  that are entitled to appraisal  rights of the
effective date of the merger or consolidation or (ii) the surviving or resulting
corporation  shall send such a second notice to all such holders on or within 10
days after such effective date; provided, however, that if such second notice is
sent more than 20 days  following the sending of the first  notice,  such second
notice need only be sent to each stockholder who is entitled to appraisal rights
and who has demanded  appraisal of such holder's  shares in accordance with this
subsection.  An  affidavit of the  secretary  or  assistant  secretary or of the
transfer  agent of the  corporation  that is required to give either notice that
such  notice has been given  shall,  in the  absence  of fraud,  be prima  facie
evidence  of  the  facts  stated  therein.   For  purposes  of  determining  the
stockholders entitled to receive either notice, each constituent corporation may
fix, in advance,  a record date that shall be not more than 10 days prior to the
date the notice is given, provided,  that if the notice is given on or after the
effective  date of the merger or  consolidation,  the record  date shall be such
effective  date. If no record date is fixed and the notice is given prior to the
effective  date,  the record date shall be the close of business on the day next
preceding the day on which the notice is given.

     (e)  Within  120  days   after  the   effective   date  of  the  merger  or
consolidation, the surviving or resulting corporation or any stockholder who has
complied with  subsections  (a) and (d) hereof and who is otherwise  entitled to
appraisal  rights,  may file a petition  in the Court of  Chancery  demanding  a
determination   of  the   value  of  the   stock   of  all  such   stockholders.
Notwithstanding  the  foregoing,  at any time within 60 days after the effective
date of the merger or  consolidation,  any  stockholder  shall have the right to
withdraw  his demand for  appraisal  and to accept  the terms  offered  upon the
merger or consolidation.  Within 120 days after the effective date of the merger
or  consolidation,  any  stockholder  who has complied with the  requirements of
subsections  (a) and (d)  hereof,  upon  written  request,  shall be entitled to
receive  from  the  corporation  surviving  the  merger  or  resulting  from the
consolidation a statement setting forth the aggregate number of shares not voted
in favor of the merger or  consolidation  and with respect to which  demands for
appraisal have been received and the aggregate number of holders of such shares.
Such written  statement shall be mailed to the stockholder  within 10 days after
his  written  request  for such a statement  is  received  by the  surviving  or
resulting  corporation  or within 10 days  after  expiration  of the  period for
delivery of demands for  appraisal  under  subsection  (d) hereof,  whichever is
later.

     (f) Upon the filing of any such  petition  by a  stockholder,  service of a
copy thereof  shall be made upon the surviving or resulting  corporation,  which
shall  within 20 days after such  service  file in the office of the Register in
Chancery in which the petition was filed a duly  verified  list  containing  the
names and  addresses of all  stockholders  who have  demanded  payment for their
shares and with whom  agreements  as to the value of their  shares have not been
reached by the  surviving or  resulting  corporation.  If the petition  shall be
filed  by  the  surviving  or  resulting  corporation,  the  petition  shall  be
accompanied  by such a duly  verified  list.  The  Register in  Chancery,  if so
ordered by the  Court,  shall  give  notice of the time and place  fixed for the
hearing of such  petition by  registered  or certified  mail to the surviving or
resulting corporation and to the stockholders shown on the list at the addresses
therein  stated.  Such notice shall also be given by 1 or more  publications  at
least  1  week  before  the  day of  the  hearing,  in a  newspaper  of  general
circulation published in the City of Wilmington, Delaware or such publication as
the Court deems  advisable.  The forms of the notices by mail and by publication
shall be  approved  by the Court,  and the costs  thereof  shall be borne by the
surviving or resulting corporation.

     (g) At the  hearing  on  such  petition,  the  Court  shall  determine  the
stockholders who have complied with this section and who have become entitled to
appraisal  rights.  The Court may require the  stockholders who have demanded an
appraisal for their shares and who hold stock  represented  by  certificates  to
submit  their  certificates  of stock to the  Register in Chancery  for notation
thereon of the pendency of the  appraisal  proceedings;  and if any  stockholder
fails to comply with such direction, the Court may dismiss the proceedings as to
such stockholder.

     (h) After determining the stockholders entitled to an appraisal,  the Court
shall appraise the shares, determining their fair value exclusive of any element
of value  arising  from the  accomplishment  or  expectation  of the  merger  or
consolidation,  together  with a fair rate of interest,  if any, to be paid upon
the amount  determined to be the fair value. In determining such fair value, the
Court shall take into account all relevant factors. In determining the fair rate
of interest, the Court may consider all relevant factors,  including the rate of
interest which the surviving or resulting  corporation  would have had to pay to
borrow money  during the pendency of the  proceeding.  Upon  application  by the
surviving or resulting corporation or by any stockholder entitled to participate
in the appraisal proceeding, the Court may, in its discretion,  permit discovery
or other pretrial  proceedings and may proceed to trial upon the appraisal prior
to the final  determination  of the  stockholder  entitled to an appraisal.  Any
stockholder  whose name appears on the list filed by the  surviving or resulting
corporation pursuant to subsection (f) of this section and who has submitted his
certificates  of stock to the  Register in Chancery,  if such is  required,  may
participate fully in all proceedings  until it is finally  determined that he is
not entitled to appraisal rights under this section.

     (i) The Court  shall  direct the  payment of the fair value of the  shares,
together with interest, if any, by the surviving or resulting corporation to the
stockholders entitled thereto.  Interest may be simple or compound, as the Court
may direct.  Payment shall be so made to each such  stockholder,  in the case of
holders of  uncertificated  stock  forthwith,  and the case of holders of shares
represented  by  certificates  upon  the  surrender  to the  corporation  of the
certificates  representing  such stock.  The  Court's  decree may be enforced as
other decrees in the Court of Chancery may be enforced,  whether such  surviving
or resulting corporation be a corporation of this State or of any state.

     (j) The costs of the  proceeding  may be  determined by the Court and taxed
upon the  parties  as the  Court  deems  equitable  in the  circumstances.  Upon
application  of a  stockholder,  the Court  may  order  all or a portion  of the
expenses   incurred  by  any   stockholder  in  connection  with  the  appraisal
proceeding,  including,  without limitation,  reasonable attorney's fees and the
fees and  expenses of experts,  to be charged pro rata  against the value of all
the shares entitled to an appraisal.

     (k) From and after the effective  date of the merger or  consolidation,  no
stockholder who has demanded his appraisal  rights as provided in subsection (d)
of this  section  shall be  entitled  to vote such  stock for any  purpose or to
receive  payment  of  dividends  or other  distributions  on the  stock  (except
dividends or other  distributions  payable to  stockholders  of record at a date
which is prior to the effective date of the merger or consolidation);  provided,
however,  that if no petition  for an  appraisal  shall be filed within the time
provided in subsection (e) of this section, or if such stockholder shall deliver
to the surviving or resulting corporation a written withdrawal of his demand for
an appraisal and an acceptance of the merger or consolidation,  either within 60
days after the  effective  date of the merger or  consolidation  as  provided in
subsection  (e) of this section or thereafter  with the written  approval of the
corporation,  then the right of such  stockholder  to an appraisal  shall cease.
Notwithstanding the foregoing,  no appraisal proceeding in the Court of Chancery
shall be dismissed as to any stockholder  without the approval of the Court, and
such approval may be conditioned upon such terms as the Court deems just.

     (l) The  shares of the  surviving  or  resulting  corporation  to which the
shares  of such  objecting  stockholders  would  have  been  converted  had they
assented to the merger or consolidation  shall have the status of authorized and
unissued shares of the surviving or resulting corporation.


                                  MONROC, INC.
               PROXY SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS
       SPECIAL MEETING OF STOCKHOLDERS TO BE HELD ON __________ ___, 1998

     The undersigned  hereby appoints Ronald D. Davis and L. William Rands,  and
each of them,  as proxies,  each with the power to appoint his  substitute,  and
hereby  authorizes  either of them to act and to vote, as designated  below, all
shares of Common  Stock of Monroc,  Inc.  (the  "Company")  the  undersigned  is
entitled to vote at the  Special  Meeting of  Stockholders  of the Company to be
held at the Little America Hotel,  500 South Main Street,  Salt Lake City, Utah,
on __________ ___, 1998, at 10:00 a.m.,  local time, and at any  adjournments or
postponements  thereof,  upon all  matters  referred  to on this  proxy card and
described  in the  Proxy  Statement  for the  Special  Meeting,  and,  in  their
discretion, upon any other matters which may properly come before the meeting.

     Proposal to approve and adopt the Amended and Restated  Agreement  and Plan
     of Merger,  dated as of January 29,  1998 and  amended  and  restated as of
     March 4, 1998, among the Company, U.S. Aggregates Inc. ("USAI") and Western
     Acquisition,  Inc., a subsidiary of USAI, and the transactions contemplated
     thereby as more fully described in the accompanying Proxy Statement.

            | | FOR             | | AGAINST             | | ABSTAIN

           (Continued and to be signed and dated on the reverse side)


     The  Board  of  Directors  recommends  a vote  FOR  this  proposal.  Shares
represented by all properly  executed  proxies will be voted in accordance  with
instructions  appearing  on this proxy card and in the  discretion  of the proxy
holders as to any other matter that may properly come before the meeting. IN THE
ABSENCE OF SPECIFIC INSTRUCTIONS, PROXIES WILL BE VOTED FOR THIS PROPOSAL.


Dated:                   , 1998                                       (SEAL)
      -------------------         ------------------------------------
                                  (Signature)

                                                                      (SEAL)
                                  (Signature)
                                  Please  sign as  name(s)  appears on
                                  this proxy card, and date this proxy
                                  card. If a joint account, each joint
                                  owner  must sign.  If signing  for a
                                  corporation or partnership as agent,
                                  attorney or fiduciary,  indicate the
                                  capacity in which you are signing.



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