ROHN INDUSTRIES INC
SC 13D/A, 1998-12-29
MISCELLANEOUS FABRICATED METAL PRODUCTS
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 12)*


              ROHN Industries, Inc. (formerly UNR Industries, Inc.)
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                 903-185-114
                  ---------------------------------------------
                                 (CUSIP Number)

                           John H. Laeri, Jr., Trustee
                        UNR Asbestos-Disease Claims Trust
                              100 North Lincoln Way
                          North Aurora, Illinois 60542
                                 (708) 892-5757
- --------------------------------------------------------------------------------
            (Name, Address and Telephone Number of Person Authorized
                     to Receive Notices and Communications)

                                December 22, 1998
- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box |  |.

Check the following box if a fee is being paid with this  statement |  |. (A fee
is not required only if the filing person:  (1) has a previous statement on file
reporting  beneficial  ownership  of more  than  five  percent  of the  class of
securities  described in Item 1, (2) has filed no amendment  subsequent  thereto
reporting beneficial ownership of five percent or less of such class.) (See Rule
13d-7).


                               Page 1 of 4 Pages.
<PAGE>

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

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

This Amendment No. 12 amends and  supplements the Schedule 13D filed on March 5,
1990 as amended by Amendment Nos. 1 through 11 (the  "Schedule  13D") by the UNR
Asbestos-Disease  Claims Trust (the  "Trust")  with respect to the Common Stock,
par value of $.01 per share  (the  "Common  Stock"),  of ROHN  Industries,  Inc.
(formerly  UNR  Industries,   Inc.),  a  Delaware  corporation   ("ROHN").   All
capitalized  terms used in this Amendment and not otherwise  defined herein have
the meaning ascribed to such terms in the Schedule 13D.

ITEM 4.     PURPOSE OF TRANSACTION.
- -------     -----------------------

            Item 4 of the Schedule 13D is hereby amended by adding the following
paragraphs immediately before the final paragraph of such Item:

            On December  22,  1998,  ROHN and PiRod  Holdings,  Inc., a Delaware
corporation ("PiRod"), entered into an Agreement and Plan of Merger (the "Merger
Agreement")  pursuant to which, upon the terms and subject to the conditions set
forth  therein,  PiRod will be merged with and into ROHN (the  "Merger"),  which
will continue as the surviving  corporation.  The Merger Agreement  provides for
the conversion of up to 52.5 percent of the  outstanding  shares of Common Stock
into the right to receive  $3.78 per share in cash.  If the holders of more than
the  permitted  number of shares of Common  Stock elect  cash,  the cash will be
issued  proportionately to those ROHN stockholders,  who will retain the balance
of their shares. In addition,  the outstanding shares of PiRod will be converted
in the Merger into a total of approximately  7.9 million shares of Common Stock.
A copy of ROHN's press release  announcing the execution of the Merger Agreement
is attached as Exhibit 12 hereto.

            The Trust, which beneficially owns 29,348,051 shares of Common Stock
(approximately  55.6% of the  outstanding  shares of Common Stock as of December
28,  1998),  intends to make the  aforesaid  cash  election with respect to such
shares of Common Stock.

            On  December  22,  1998,  the Trust and PiRod  entered  into a Trust
Voting Agreement (the "Trust Voting Agreement"),  a copy of which is attached as
Exhibit 13 hereto.  Pursuant to the Trust Voting  Agreement,  subject to certain
conditions set forth therein,  the Trust agreed, among other things, to vote all
of the shares of Common  Stock  beneficially  owned by it in favor of the Merger
and  appointed  PiRod  as  its  proxy  for  this  purpose.  Notwithstanding  the
foregoing,  the Trust will be obligated vote such shares as aforesaid, and PiRod
will have  right to vote such  shares in favor of the  Merger  pursuant  to such
proxy, only if, among other things, the Bankruptcy Court shall have approved the
sale pursuant to the Merger Agreement by the Trust of such shares as provided in
the Plan.


                               Page 2 of 4 Pages.
<PAGE>

            On December 22, 1998,  ROHN, the Trust and certain  stockholders  of
PiRod  entered  into a  Stockholders  Agreement,  a copy of which is attached as
Exhibit 14 hereto. Pursuant to the Stockholders  Agreement,  effective as of the
effective time of the Merger, the board of directors of ROHN will consist of ten
directors  and will be  reconstituted  as  follows:  (i) the Trust will have the
right to designate four individuals to serve on the Board of Directors, (ii) the
Bain Stockholders (as defined in the Stockholders Agreement) will have the right
to designate two  individuals  to serve on the Board of  Directors,  (iii) there
will  be  two  Management   Representatives  (as  defined  in  the  Stockholders
Agreement) and (iv) there will be two  Independent  Directors (as defined in the
Stockholders Agreement).  Thereafter, subject to certain conditions contained in
the Stockholders  Agreement,  for so long as the Trust or the Bain  Stockholders
(each, a "Principal  Stockholder  Party") continues to beneficially own at least
20% of the then-outstanding  shares of Common Stock, such Principal  Stockholder
Party  will be  entitled  to  four  designees;  for so  long  as such  Principal
Stockholder Party continues to beneficially own less than 20%, but at least 15%,
of the then-outstanding shares of Common Stock, such Principal Stockholder Party
will be entitled to three designees;  for so long as such Principal  Stockholder
Party  continues  to  beneficially  own less than 15%,  but at least 10%, of the
then-outstanding  shares of Common Stock, such Principal  Stockholder Party will
be  entitled to two  designees;  and for so long as such  Principal  Stockholder
Party  continues  to  beneficially  own less than  10%,  but at least 5%, of the
then-outstanding  shares of Common Stock, such Principal  Stockholder Party will
be entitled to one designee.  Pursuant to the Stockholders  Agreement,  ROHN has
agreed  to  nominate  directors,  and  the  other  parties  to the  Stockholders
Agreement have agreed to vote in favor of such nominees,  in accordance with the
aforesaid provisions and the other terms of the Stockholders Agreement.

            Pursuant  to  the   Stockholders   Agreement,   the  Trust  and  the
stockholders of PiRod that are parties to the Stockholders Agreement have agreed
that, prior to the first  anniversary of the effective time of the Merger,  none
of them will  transfer  any shares of Common Stock unless the Trust and the Bain
Stockholders have previously  consented in writing to such transfer,  subject to
certain exceptions set forth in the Stockholders Agreement.

            Pursuant to the Stockholders Agreement, for so long as any Principal
Stockholder   Party  is  the   beneficial   owner   of  at  least   10%  of  the
then-outstanding  shares of Common  Stock,  ROHN has agreed not to take  certain
actions without the prior written consent of such Principal  Stockholder  Party,
including  the entry into a  Shareholder  Rights  Plan,  the adoption of certain
by-law  amendments and the entry into certain  Change of Control  Provisions (as
defined in the Stockholders Agreement).

            The   Stockholders   Agreement  also  provides  each  party  certain
"tag-along",  demand  and  piggyback  registration  rights,  subject  to certain
conditions.  Reference  is made to the  Stockholders  Agreement  for a  complete
description of the terms and conditions of the Stockholders Agreement.

ITEM 6.     CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH 
- -------     ------------------------------------------------------------- 
RESPECT TO SECURITIES OF THE ISSUER.
- ------------------------------------

            See Item 4 above.


                               Page 3 of 4 Pages.


<PAGE>

ITEM 7.     MATERIAL TO BE FILED AS EXHIBITS.
- -------     ---------------------------------

            Exhibit 12 -- Press release of ROHN Industries, Inc., dated December
22, 1998.

            Exhibit 13 -- Trust Voting  Agreement dated December 22, 1998 by and
between PiRod Holdings, Inc. and the UNR Asbestos-Disease Claims Trust.

            Exhibit 14 -- Stockholders Agreement, dated as of December 22, 1998,
by and between ROHN Industries,  Inc., the UNR Asbestos-Disease Claims Trust and
the other parties thereto.


                                    SIGNATURE

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

Dated:  December 28, 1998

                                          UNR Asbestos-Disease Claims Trust


                                                  /S/ JOHN H. LAERI, JR.
                                          --------------------------------------
                                          John H. Laeri, Jr., Trustee Chairman












                               Page 4 of 4 Pages.


   12100 Wilshire Boulevard, Suite 400
   Los Angeles, California 90025
   Telephone (310) 207-9300
   Fax (310) 207-5444

   PONDEL
   PARSONS
&  WILKINSON                                                       NEWS  RELEASE

   Corporate and Investor Relations


 ROHN Announces Proposed Merger with PiROD Holdings in Transaction Valued at
                                  $280 Million

      PEORIA,  Ill.,  Dec. 23  /PRNewswire/ -- ROHN  Industries,  Inc.  (Nasdaq:
ROHN),  based in Peoria,  Illinois,  and privately  held PiROD  Holdings,  Inc.,
headquartered  in  Plymouth,   Indiana,  today  announced  they  have  signed  a
definitive  merger  agreement  in a stock and cash  transaction  that values the
combined companies at $280 million.

      PiROD, which manufactures  specialized equipment for the telecommunication
industry,  principally solid rod towers for wireless communications,  has annual
sales of approximately  $56 million.  ROHN, which  manufactures  tubular towers,
equipment enclosures and other specialized  equipment for the  telecommunication
industry, has annual sales of approximately $170 million.

      Under the terms of the agreement,  which was  unanimously  approved by the
boards of  directors  of both  companies,  PiROD will be merged  into ROHN.  The
agreement  provides for the conversion of up to 52.5 percent of the  outstanding
ROHN shares into the right to receive $3.78 per share in cash,  which represents
a premium of approximately 25 percent to the recent market price. If the holders
of more than the  permitted  number of ROHN shares elect cash,  the cash will be
issued proportionally to those ROHN stockholders, who will retain the balance of
their shares.  The  outstanding  PiROD shares will be converted  into a total of
approximately 7.9 million ROHN shares.

      The transaction will be financed by ROHN and will consist of approximately
$166.5 million of new senior indebtedness.  Following the merger, it is expected
that existing  stockholders of ROHN and PiROD will own  approximately 76 percent
and 24 percent, respectively, of the outstanding shares of ROHN.

      The  transaction  is  subject  to  stockholder  and  regulatory  approval,
including    expiration   of   the   applicable   waiting   period   under   the
Hart-Scott-Rodino  Antitrust  Improvements  Act,  and  other  customary  closing
conditions. It is expected to be completed on or about March 15, 1999.

      ROHN  has  delayed  its  1998  annual  stockholders'  meeting  to March to
coincide with the stockholder vote on this transaction.


<PAGE>

      "This  milestone  merger  builds on the strengths of ROHN and PiROD in the
rapidly changing  telecommunication  industry," said Brian B. Pemberton,  ROHN's
president and chief executive  officer.  "We are confident that the transaction,
which will be immediately  accretive to ROHN's  earnings,  will provide a unique
opportunity  to  achieve  efficiencies  and to build the  value of the  combined
enterprise for our respective customers, stockholders and employees."

      Myron C. Noble,  chairman and chief executive officer of PiROD, said, "Our
products are highly  complementary  with those of ROHN.  This merger will enable
the  combined  companies  to pursue  attractive  growth  opportunities.  We look
forward to joining forces with the ROHN  organization and,  together,  enhancing
our ability to exceed the ever  increasing  demands of our customers in terms of
product   offerings,   value  added  engineering,   installation   services  and
manufacturing capacity."

      It is expected  that PiROD will maintain its  independent  presence in the
domestic  marketplace,  continuing its long-standing  tradition of excellence in
customer service.

      PiROD is an affiliate of Bain Capital,  Inc., an investment  firm based in
Boston, Massachusetts.  ROHN was advised on this transaction by Donaldson Lufkin
& Jenrette Securities Corporation.

      ROHN Industries,  Inc. is a leading manufacturer and installer of wireless
infrastructure equipment for the telecommunications industry including cellular,
PCS, radio and television  broadcast  markets.  The company's  products  include
towers, equipment enclosures/shelters,  cabinets, poles and antenna mounts. ROHN
has  manufacturing  locations  in  Peoria,  Illinois;  Frankfort,  Indiana;  and
Bessemer, Alabama; and Curitiba, Brazil.

      The  statements  in this news release  regarding  the  companies' or their
respective  management's  expectations  regarding  future  performance or events
constitute "forward-looking statements" within the meaning of Section 27A of the
Securities Act of 1933, as amended,  and Section 21E of the Securities  Exchange
Act of 1934, as amended.  These  statements  are subject to  uncertainties  that
could  cause the merger not to be  consummated  or the  individual  or  combined
company's actual operating and other results to differ materially from those set
forth in this news release.  Such risks and uncertainties  include,  but are not
limited to, the sensitivity of the companies' businesses to economic conditions,
competition  and  the  companies'   ability  to  successfully   integrate  their
businesses and operations and achieve profitability following the merger.

SOURCE  ROHN Industries, Inc. and PiROD Holdings, Inc.

12/23/98

Contact:  David LaRusso, Vice President & CFO of ROHN Industries, Inc.,
309-633-5606; or Gary S. Maier of Pondel Parsons & Wilkinson for ROHN
Industries, Inc., 310-207-9300.





                             TRUST VOTING AGREEMENT

      TRUST VOTING AGREEMENT (this "Agreement"),  dated December 22, 1998 by and
between PiRod  Holdings,  Inc., a Delaware  corporation  ("PiRod"),  and the UNR
Asbestos-Disease Claims Trust (the "Trust").

      WHEREAS,  capitalized  terms used but not  defined  herein  shall have the
meanings set forth in the Merger Agreement (as defined below);

      WHEREAS, ROHN Industries, Inc., a Delaware corporation ("ROHN"), and PiRod
propose to enter into an Agreement and Plan of Merger of even date herewith (the
"Merger  Agreement")  pursuant to which PiRod shall be merged with and into ROHN
(the "Merger"), upon the terms and conditions set forth in the Merger Agreement;

      WHEREAS,  as of the date hereof,  the Trust  beneficially  owns 29,348,051
ROHN Shares (the "Owned Shares");

      WHEREAS,   the  Boards  of  Directors  of  ROHN  and  PiRod  have  adopted
resolutions  approving the Merger and recommending that ROHN's  stockholders and
PiRod's stockholders, respectively, vote to approve the Merger;

      WHEREAS, the Board of Directors of ROHN has adopted resolutions approving,
for purposes of Section 203 of the GCL, this Agreement;

      WHEREAS,  as a  condition  to their  willingness  to enter into the Merger
Agreement,  PiRod has  required  that the  Trust  agree to vote all of the Owned
Shares,  together with all ROHN Shares which the Trust  acquires  after the date
hereof,  whether  upon  the  exercise  of  options,  conversion  of  convertible
securities  or otherwise  (the Owned Shares,  together with such after  acquired
shares, the "Shares"),  on the terms and subject to the conditions  provided for
in this Agreement;

       NOW,  THEREFORE,  in  consideration of the execution and delivery by ROHN
and PiRod of the Merger  Agreement  and the  mutual  covenants,  conditions  and
agreements  contained  herein and therein,  and  intending  to be legally  bound
hereby, the parties agree as follows:


                                    ARTICLE I

                             VOTING AGREEMENT; PROXY

       SECTION 1.1. VOTING.  The Trust hereby agrees that, subject to the Voting
Conditions set forth below, at any meeting of the stockholders of ROHN called by
ROHN and at every  adjournment or postponement  thereof,  it shall (i) appear at
the meeting or otherwise  cause the Shares to be counted as present  thereat for
purposes of  establishing a quorum,  (ii) vote the Shares in favor of the Merger
and  approval and adoption of the Merger  Agreement at the ROHN  Meeting,  (iii)

<PAGE>

vote the Shares against any action or agreement that would result in a breach in
any material respect of any representation,  warranty or covenant of ROHN in the
Merger  Agreement,  and (iv) vote the Shares  against  any  action or  agreement
(other than the Merger Agreement or the transactions  contemplated thereby) that
would impede,  interfere  with,  delay,  postpone or attempt to  discourage  the
Merger,  including  any other  extraordinary  corporate  transaction,  such as a
merger,  reorganization  or liquidation  involving ROHN and a third party or any
other  proposal of a third party to acquire ROHN. The obligation of the Trust to
vote the Shares pursuant to the preceding sentence is subject to satisfaction of
each of the following conditions (the "Voting Conditions"): (x) there shall have
been no amendment or  modification of (including any waiver of any provision of)
the Merger  Agreement that is in any manner adverse to the Trust or ROHN (unless
such  amendment or  modification  has been agreed to in writing by the Trust and
ROHN), (y) the Bankruptcy Court, as defined below,  shall have approved the sale
pursuant to the Merger  Agreement  by the Trust of the Shares as provided in the
Plan of  Reorganization,  as defined below (the "Bankruptcy Court Approval") and
such  Bankruptcy  Court Approval shall be in full force and effect and (z) there
shall  not  have  been any  action  taken,  or any  statute,  rule,  regulation,
judgment, order or injunction promulgated,  enacted, entered or enforced, by any
state, federal or foreign government or governmental  authority or by any court,
domestic or foreign,  that makes the vote of the Shares by the Trust  illegal or
otherwise prohibited.


      SECTION 1.2.  IRREVOCABLE  PROXY. As security for the Trust's  obligations
under  Section 1.1 hereof and subject to Section  2.1 hereof,  the Trust  hereby
irrevocably constitutes and appoints PiRod as its attorney and proxy pursuant to
the provisions of Section 212(c) of the GCL, with full power of substitution and
resubstitution, to vote the Shares at any meeting of stockholders of ROHN called
by ROHN in each case only as and to the extent  provided in clauses (ii),  (iii)
and (iv) of Section 1.1 hereof; PROVIDED, HOWEVER, that PiRod shall not have the
right to vote the Shares  unless each of the Voting  Conditions  shall have been
satisfied as of the time of such vote; and PROVIDED,  FURTHER,  HOWEVEr, that in
any such vote or other  action  pursuant to such  proxy,  PiRod shall not in any
event have the right (and such proxy shall not confer the right) to vote against
the  Merger,  to vote to reduce the  consideration  to be  received  by the ROHN
stockholders  or to otherwise  amend or modify (or waive any  provision  of) the
Merger  Agreement.  The  proxy  granted  pursuant  to  this  Section  1.2  shall
irrevocably  cease  and  shall be of no  further  force or  effect  upon (x) any
violation by PiRod of any of the terms of this Agreement or (y) the  termination
of the Merger  Agreement or this  Agreement in accordance  with its terms.  THIS
PROXY AND POWER OF ATTORNEY IS IRREVOCABLE, SUBJECT TO THE FOREGOING AND SECTION
2.1 HEREOF,  AND COUPLED  WITH AN INTEREST.  The Trust hereby  revokes all other
proxies  and powers of  attorney  with  respect  to the Shares  that it may have
heretofore  appointed  or granted and shall take all  further  actions as may be
necessary or desirable to evidence such  revocation,  and no subsequent proxy or
power of attorney  shall be given or written  consent  executed (and if given or
executed,  shall not be effective) by the Trust with respect thereto, other than
as contemplated by Section 1.1 hereof.
<PAGE>

                                   ARTICLE II

                                   TERMINATION

      SECTION 2.1. TERMINATION. This Agreement shall terminate on the earlier of
(i) the  consummation  of the  Merger  or (ii)  the  termination  of the  Merger
Agreement in accordance with its terms;  PROVIDED,  HOWEVER,  that if the Merger
Agreement is terminated by ROHN pursuant to Section 8.1.3(a) thereof as a result
of a Takeover  Proposal,  this Agreement  shall not terminate until the 60th day
following the date on which notice of such Takeover  Proposal was first provided
by ROHN to PiRod in  accordance  with  Section  5.1.8 of the  Merger  Agreement;
PROVIDED,  FURTHER,  that  notwithstanding  anything  to the  contrary  in  this
Agreement,  the Trust shall have the ability, after the Trust determines in good
faith, after consultation with its legal and financial advisers, that a Takeover
Proposal that has not been  solicited,  initiated or  encouraged  after the date
hereof in violation of clause 4.3(i) herein may reasonably be expected to result
in a Superior Proposal,  throughout such 60-day period, to confirm, orally or in
writing, to the third party that has made such Takeover Proposal that it intends
(subject to such  qualifications as the Trust deems appropriate) to enter into a
voting,  tender or other  agreement  with such Third  Party with  respect to the
Shares upon termination of this Agreement.

      SECTION 2.2. EFFECT OF TERMINATION.  In the event of a termination of this
Agreement  as  provided  in  Section  2.1  hereof,  (i) this  Agreement  and all
obligations  hereunder  (including,  without limitation,  the obligations of the
Trust  pursuant to Section  1.1 and Article IV hereof and the proxy  appointment
under Section 1.2 hereof) shall forthwith become void and of no further force or
effect and (ii) there shall be no liability or  obligation  on the part of PiRod
or the Trust or their  respective  officers,  directors  or  Trustees  hereunder
thereafter;  PROVIDED, HOWEVER, that nothing herein shall relieve any party from
liability for any breach hereof prior to such termination.

                                   ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

      SECTION 3.1.  REPRESENTATIONS AND WARRANTIES OF PIROD.  PiRod hereby
represents and warrants to the Trust as follows:

      (a)  ORGANIZATION,   DUE  AUTHORIZATION.   PiRod  is  a  corporation  duly
organized,  validly  existing and in good  standing  under the laws of Delaware.
PiRod has full  corporate  power and  authority  to  execute  and  deliver  this
Agreement.  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 PiRod, and no other corporate  proceedings on the part
of PiRod  are  necessary  to  authorize  this  Agreement  or to  consummate  the
transactions  contemplated  hereby.  This  Agreement  has been duly and  validly
executed and delivered by PiRod and constitutes a valid and binding agreement of
PiRod,  enforceable  against PiRod in accordance with its terms,  subject to the
effect of any applicable bankruptcy,  reorganization,  insolvency, moratorium or
similar law affecting  creditors'  rights  generally  and general  principles of
equity.
<PAGE>

      (b) NO CONFLICTS.  Other than in connection with or in compliance with the
provisions of the GCL with respect to the transactions  contemplated hereby, the
federal  securities laws, the securities laws of the various states, the HSR Act
and foreign laws, no authorization,  consent or approval of, or filing with, any
court or any public body or authority is necessary for the consummation by PiRod
of the transactions contemplated by this Agreement. The execution,  delivery and
performance of this  Agreement by PiRod will not constitute a breach,  violation
or default  (or any event  which,  with  notice or lapse of time or both,  would
constitute a default)  under, or result in the termination of, or accelerate the
performance  required by, or result in a right of  termination  or  acceleration
under,  or result in the  creation  of any lien or  encumbrance  upon any of the
properties or assets of PiRod under, any note, bond, mortgage,  indenture,  deed
of trust,  license,  lease,  agreement or other  instrument  to which PiRod is a
party or by which its  properties  or assets  are bound,  other  than  breaches,
violations,  defaults,  terminations,  accelerations  or  creation  of liens and
encumbrances which, in the aggregate, would not materially impair the ability of
PiRod to perform its obligations hereunder.

      SECTION 3.2. REPRESENTATIONS AND WARRANTIES OF THE TRUST. The Trust hereby
represents and warrants to PiRod as follows:

      (a) ORGANIZATION, DUE AUTHORIZATION. The Trust has been duly formed and is
validly existing as a trust under the laws of the State of Illinois  pursuant to
the UNR  Asbestos-Disease  Claims Trust  Agreement  dated  February 23, 1990, as
amended  effective   February  18,  1997,  (the  "Trust  Agreement")  among  UNR
Industries,  Inc., as  reorganized  pursuant to the Plan of  Reorganization  (as
defined  below) as  Settlor,  and John H. Laeri,  Jr.,  Michael E.  Levine,  The
Honorable  James J.  McMonagle,  Charles W.  Murdock  and David S.  Shrager,  as
Trustees,  pursuant to the Consolidated Plan of  Reorganization  dated March 14,
1989 (the "Plan of  Reorganization"),  as  confirmed  by the order of the United
States  District Court and the United States  Bankruptcy  Court for the Northern
District of Illinois,  Eastern  Division  (the  "Bankruptcy  Court").  The Trust
Agreement  remains in full force and effect.  The Trust has  delivered  to PiRod
true and  complete  copies of the Trust  Agreement.  The Trust  complies  in all
respects with the  requirements of a trust set forth in Section  524(g)(2)(B)(i)
of the  Bankruptcy  Reform Act of 1978, as amended.  The Trust has the power and
authority  to  enter  into  this  Agreement  and  consummate  the   transactions
contemplated  hereby.  Except for obtaining the Bankruptcy  Court Approval,  the
execution  and  delivery  of  this  Agreement  and  the   consummation   of  the
transactions  contemplated  hereby have been duly and validly  authorized by the
Trustees of the Trust, and no other trust proceedings are necessary to authorize
this Agreement or to consummate the transactions contemplated hereby. Subject to
the  Bankruptcy  Court  Approval  and  subject to the  effect of any  applicable
bankruptcy,  reorganization,  insolvency,  moratorium  or similar law  affecting
creditors' rights generally and general principles of equity, this Agreement has
been duly and validly  executed  and  delivered by the Trust and  constitutes  a
valid and  binding  agreement  of the Trust,  enforceable  against  the Trust in
accordance with its terms.

      (b)  TITLE;  VOTING  RIGHTS.  The Trust  has good and  valid  title to the
Shares,  free and clear of any lien,  charge,  encumbrance  or claim of whatever
nature.  Except pursuant to this Agreement and the Plan of  Reorganization,  the
Shares  are not  subject  to any  voting  trust  agreement  or  other  contract,

<PAGE>

agreement,  arrangement,  commitment or  understanding  restricting or otherwise
relating to the voting, dividend rights or disposition of the Shares.

      (c)  OWNERSHIP OF ROHN  SHARES.  On the date  hereof,  the Trust owns,  of
record or beneficially,  29,348,051 ROHN Shares. The Trust has sole voting power
and sole  power  of  disposition  with  respect  to the  Owned  Shares,  with no
restrictions,  subject to applicable  federal  securities laws, on its rights of
disposition pertaining thereto except as set forth in Section 3.2(d) hereof.

      (d) NO CONFLICTS.  Other than in connection with or in compliance with the
Bankruptcy  Court  Approval,  the provisions of the GCL, the federal  securities
laws, the NASD, the securities or takeover laws of the various  states,  the HSR
Act and foreign laws, no authorization,  consent or approval of, or filing with,
any court or any public body or authority is necessary for the  consummation  by
the Trust of the  transactions  contemplated by this  Agreement.  The execution,
delivery and  performance  of this  Agreement by the Trust will not constitute a
breach,  violation or default (or any event which,  with notice or lapse of time
or both,  would constitute a default) under, or result in the termination of, or
accelerate the  performance  required by, or result in a right of termination or
acceleration  under,  or result in the creation of any lien or encumbrance  upon
any of the properties or assets of the Trust under,  any note,  bond,  mortgage,
indenture,  deed  of  trust,  license,  lease,  agreement  or  other  instrument
(including   without   limitation   the   Trust   Agreement   and  the  Plan  of
Reorganization)  to which  the Trust is a party or by which  its  properties  or
assets  are bound,  other than  breaches,  violations,  defaults,  terminations,
accelerations  or creation of liens and  encumbrances  which,  in the aggregate,
would not materially  impair the ability of the Trust to perform its obligations
hereunder.

                                   ARTICLE IV

                             COVENANTS OF THE TRUST

      The Trust hereby covenants and agrees as follows:

      SECTION 4.1. RESTRICTION ON TRANSFER,  PROXIES AND  NON-INTERFERENCE.  The
Trust  hereby  agrees,  while  this  Agreement  is  in  effect,  and  except  as
contemplated  hereby, not to (i) sell,  transfer,  pledge,  encumber,  assign or
otherwise dispose of, or enter into any contract, option or other arrangement or
understanding  with  respect  to  the  sale,  transfer,   pledge,   encumbrance,
assignment or other  disposition of, any of the Shares,  (ii) grant any proxies,
powers of attorney or other authorization or consent,  deposit any Shares into a
voting trust or enter into a voting agreement with respect to any such Shares or
(iii) take any action  that would make any  representation  or  warranty  of the
Trust  contained  herein untrue or incorrect or have the effect of preventing or
disabling the Trust from performing its obligations under this Agreement.

      SECTION  4.2.  ADDITIONAL  SHARES.  The Trust  hereby  agrees,  while this
Agreement is in effect,  to promptly  notify PiRod in writing in accordance with
Section  6.3 hereof of the number of new ROHN Shares  acquired by the Trust,  if
any,  after the date hereof and shall provide a certificate to PiRod which shall
reaffirm the  representations  and  warranties of the Trust set forth in Section
3.2 with respect to such additional Shares.
<PAGE>

      SECTION  4.3.  NO  SOLICITATION.  The Trust  shall,  and shall  direct its
officers, Trustees, employees,  representatives and agents to, immediately cease
any  discussions or  negotiations  with any parties other than PiRod that may be
ongoing with respect to a Takeover Proposal.  While this Agreement is in effect,
the Trust  shall not,  and shall not  authorize  or permit any of its  officers,
Trustees or employees or any investment  banker,  financial  advisor,  attorney,
accountant or other representative retained by it or any of them to, directly or
indirectly,  (i) solicit,  initiate or encourage  any inquiries or the making of
any proposal  that  constitutes,  or may  reasonably be expected to lead to, any
Takeover  Proposal,  or (ii)  participate  in any  discussions  or  negotiations
regarding any Takeover Proposal;  PROVIDED,  HOWEVER, that if, at any time prior
to the Effective Time, the Trust  determines in good faith,  after  consultation
with its financial  and legal  advisers,  that a Takeover  Proposal that has not
been  solicited,  initiated or encouraged  after the date hereof in violation of
clause (i) above may  reasonably  be expected to result in a Superior  Proposal,
the Trust and ROHN may (x)  furnish  information  with  respect  to ROHN and its
subsidiaries to the third party that has made such Takeover Proposal (and to any
investment   banker,   financial   advisor,   attorney,   accountant   or  other
representative  retained by such party)  pursuant to a customary and  reasonable
confidentiality  agreement and (y)  participate in  negotiations  regarding such
Takeover Proposal.

      SECTION 4.4. NO APPRAISAL  RIGHTS.  The Trust  hereby  agrees,  while this
Agreement is in effect,  that it will not exercise any appraisal rights to which
it may be entitled under the GCL with respect to the Merger.

                                    ARTICLE V

                                OTHER AGREEMENTS

      SECTION 5.1. FURTHER  ASSURANCES.  From time to time, at the other party's
request and without further  consideration,  each party hereto shall execute and
deliver such  additional  documents  and take all such further  action as may be
necessary  or  desirable  to  consummate  and make  effective  the  transactions
contemplated  by Article I of this  Agreement.  The Trust  shall use  reasonable
efforts to obtain the Bankruptcy Court Approval as promptly as practicable.

      SECTION 5.2. PUBLIC ANNOUNCEMENTS. Each of PiRod and the Trust agrees that
it will not issue any press release or otherwise make any public  statement with
respect to this Agreement or the  transactions  contemplated  hereby without the
prior  consent  of the other  party,  which  consent  shall not be  unreasonably
withheld or delayed; PROVIDED, HOWEVER, that such disclosure can be made without
obtaining  such prior  consent if (i) the  disclosure  is  required by law or by
obligations  imposed  pursuant to any agreement with the NASD and (ii) the party
making such disclosure has first used its  commercially  reasonable best efforts
to consult with the other party about the form and substance of such disclosure.
<PAGE>

                                   ARTICLE VI

                                  MISCELLANEOUS

       SECTION 6.1.  NON-SURVIVAL.  The respective representations and
warranties made herein shall terminate upon the termination of this
Agreement.

      SECTION 6.2. ENTIRE AGREEMENT;  ASSIGNMENT. This Agreement 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,
among the  parties  with  respect to the subject  matter  hereof.  Neither  this
Agreement nor any of the rights,  interests or  obligations  hereunder  shall be
assigned by any of the parties  without the prior  written  consent of the other
parties. Except for Bain Capital Fund V, L.P., Bain Capital Fund V-B, L.P., BCIP
Associates,  BCIP Trust Associates,  L.P., Bain Capital Mezzanine Fund, L.P. and
BCM Capital Partners, L.P., whom the parties agree are third party beneficiaries
of this Agreement, nothing in this Agreement, express or implied, is intended to
confer upon any person,  other than the parties hereto and their  successors and
permitted assigns, any rights or remedies under or by reason of this Agreement.

      SECTION 6.3. NOTICES.  All notices,  requests,  claims,  demands and other
communications  hereunder  shall be in writing  and shall be given (and shall be
deemed do have been duly received if so given) by hand delivery, telegram, telex
or telecopy,  by mail  (registered or certified mail,  postage  prepaid,  return
receipt requested) or by any courier service, such as Federal Express, providing
proof of  delivery.  All  communications  hereunder  shall be  delivered  to the
respective parties at the following addresses:

      To the Trust as follows:

         John H. Laeri, Jr.
         Meadowcroft Associates
         9 Burr Road
         Westport, Connecticut  06880

      Copy to:

         Ed Kaufmann, Esq.
         Hughes Hubbard & Reed LLP
         One Battery Park Plaza
         New York, New York  10004

      To PiRod:

         PiRod Holdings, Inc.
         1565 Pidco Drive
         P.O. Box 128
         Plymouth, Indiana  46563

<PAGE>

         Attention: Myron Noble
                    Chief Executive Officer

      Copies to:

         Bain Capital, Inc.
         Two Copley Place
         Boston, Massachusetts  02116
         Attention: Paul Spinale
                    Principal

         James L. Learner, Esq.
         Kirkland & Ellis
         200 East Randolph Drive
         Chicago, Illinois  60601

      SECTION 6.4. GOVERNING LAW; JURISDICTION. This Agreement shall be governed
by and construed in accordance  with the internal laws of the State of Delaware,
without  giving  effect  to  principles  of  conflicts  of laws of the  State of
Delaware or any other  jurisdiction  that,  in either  case,  would call for the
application of the  substantive  laws of any  jurisdiction  other than Delaware.
Each of the  parties  hereto  (i)  consents  to submit  itself  to the  personal
jurisdiction  of any  federal  court  located  in the State of  Delaware  or any
Delaware  state court in the event any dispute  arises out of this  Agreement or
any of the transactions  contemplated hereby, and consents to service of process
by notice as provided in this Agreement, (ii) agrees that it will not attempt to
deny or defeat such personal  jurisdiction  by motion or other request for leave
from any such court and (iii) agrees that it will not bring any action  relating
to this Agreement or any of the  transactions  contemplated  hereby in any court
other  than a federal  or state  court  sitting  in the State of  Delaware.  The
parties 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 shall be entitled to an injunction or injunctions to prevent breaches of
this  Agreement  and to enforce  specifically  the terms and  provisions of this
Agreement  in any  federal  court  located  in the State of  Delaware  or in any
Delaware  state court,  this being in addition to any other remedy to which they
are entitled at law or in equity.

      SECTION 6.5.  COUNTERPARTS.  This Agreement may be executed in two or more
counterparts,  all of  which  shall  be  shall  be  considered  one and the same
agreement and shall become  effective  when two or more  counterparts  have been
signed by each of the  parties  and  delivered  to the other  parties,  it being
understood that all parties need not sign the same counterpart.

      SECTION 6.6.   DESCRIPTIVE HEADINGS.  The descriptive headings used
hereby are inserted for convenience of reference only and are not intended to
be part of or to effect the meaning or interpretation of this Agreement.
<PAGE>

      SECTION 6.7. SEVERABILITY. Whenever possible, each provision or portion of
any  provision of this  Agreement  will be  interpreted  in such manner as to be
effective and valid under  applicable law but if any provision or portion of any
provision of this Agreement is held to be invalid,  illegal or  unenforceable in
any  respect  under  any  applicable  law  or  rule  in any  jurisdiction,  such
invalidity,  illegality or unenforceability  will not affect any other provision
or portion of any provision in such  jurisdiction,  and this  Agreement  will be
reformed,  construed  and  enforced  in such  jurisdiction  as if such  invalid,
illegal or  unenforceable  provision or portion of any  provision had never been
contained herein.



<PAGE>

      IN WITNESS  WHEREOF,  PiRod and the Trust have caused this Agreement to be
duly executed as of the day and year first above written.



                              PIROD HOLDINGS, INC.


                              By:       /S/ MARC WOLPOW
                                 --------------------------------------
                                 Name:  Marc Wolpow
                                 Title: President



                              UNR ASBESTOS-DISEASE CLAIMS TRUST


                              By:       /S/ JOHN H. LAERI, JR.
                                 --------------------------------------
                                 Name:  John H. Laeri, Jr.
                                 Title: Trustee



                             STOCKHOLDERS AGREEMENT

            STOCKHOLDERS AGREEMENT, dated as of December 22, 1998 ("STOCKHOLDERS
AGREEMENT"),  by and between ROHN Industries,  Inc., a Delaware corporation (the
"COMPANY"),  the UNR  Asbestos-Disease  Claims Trust (the  "Trust"),  each party
listed on Exhibit A hereto (a "BAIN  STOCKHOLDER" and,  collectively,  the "BAIN
STOCKHOLDERS")  and each  party  listed on  Exhibit B hereto  (an  "OTHER  PIROD
STOCKHOLDER"   and,   together   with  the   Bain   Stockholders,   the   "PIROD
STOCKHOLDERS").

            WHEREAS, as of the date hereof the Trust is the majority stockholder
of the Company and the PIROD  Stockholders own all of the outstanding  shares of
PiRod Holdings, Inc., a Delaware corporation ("PIROD");

            WHEREAS,  the Company and PIROD  propose to enter into an  Agreement
and Plan of Merger of even date  herewith (the "MERGER  AGREEMENT")  pursuant to
which PIROD shall be merged with and into the Company (the  "MERGER"),  upon the
terms and conditions set forth in the Merger Agreement;

            WHEREAS,  upon  consummation of the Merger,  the Trust and the PIROD
Stockholders will each own shares of Common Stock (as hereinafter defined);

            WHEREAS, the Company, the Trust and the PIROD Stockholders desire to
establish  in  this  Stockholders   Agreement  certain  rights  and  obligations
concerning their relationship with each other from and after the Merger;

            NOW,  THEREFORE,  in  consideration  of the foregoing and the mutual
covenants and  agreements  contained  herein,  and intending to be legally bound
hereby, the parties hereto agree as follows:


                                    ARTICLE I

                                   DEFINITIONS

            Section 1.1.  DEFINITIONS.

            For purposes of this Stockholders  Agreement,  each of the following
underlined terms shall have the meaning specified with respect to such term:

            "ACTION" has the meaning specified in Section 4.7(c) hereof.

            "ADDITIONAL SECURITIES" has the meaning specified in Section
4.1(a) hereof.

            "AFFILIATE",  with respect to any specified Person,  means any other
Person  that,  directly  or  indirectly  through  one  or  more  intermediaries,
controls,  or is controlled by, or is under common control with,  such specified

<PAGE>


Person.  For  purposes  of  this  Stockholders  Agreement,  the  term  "control"
(including,  with its  correlative  meanings,  "controlled by" and "under common
control with") shall mean possession,  directly or indirectly of power to direct
or cause the direction of management or policies  (whether through  ownership of
securities  or  partnership  or  other  ownership  interests,   by  contract  or
otherwise);  PROVIDED,  HOWEVER,  that  neither the Company nor any  Stockholder
Party shall be deemed to be an Affiliate of the other.

            "BAIN  DIRECTOR"  means  any  individual   designated  by  the  Bain
Stockholders  to be  nominated  for  election to the Board of  Directors  of the
Company in accordance  with Section 2.2 hereof who is thereafter  elected to the
Board of Directors.

            "BAIN NOMINEE" has the meaning specified in Section 2.2(a) hereof.

            "BAIN  STOCKHOLDER   REPRESENTATIVE"   means  Bain  Capital,   Inc.;
PROVIDED, HOWEVER, that the Bain Stockholders may designate any Bain Stockholder
as the Bain  Stockholder  Representative,  such designation to be effective when
(and only when) Bain  Capital,  Inc.  delivers  to the  Company and to the other
Stockholder  Parties a certificate,  executed by its Chief Executive Officer, to
the effect that such new designation has been made; and PROVIDED,  FURTHER, that
the Company  and the other  Stockholder  Parties  shall be entitled to rely upon
such certificate as the act of the Bain Stockholders.

            "BAIN  STOCKHOLDER"  and  "BAIN  STOCKHOLDERS"  have the  respective
meanings specified in the first paragraph of this Stockholders Agreement.

            A Person shall be deemed to "BENEFICIALLY OWN" or be the "BENEFICIAL
OWNER" of all shares of Common Stock which such Person and any of such  Person's
Affiliates  beneficially own within the meaning of Rule 13d-3 under the Exchange
Act (or any successor rule).  Without limiting the foregoing,  (i) references in
this Stockholders  Agreement to the amount of Common Stock beneficially owned by
a "Stockholder Party" means, in the case of the Bain Stockholders, the aggregate
amount of Common Stock  beneficially  owned by the Bain  Stockholders  and their
respective Affiliates (including all shares of Common Stock that can be acquired
by the  exercise  of  warrants  to  acquire  shares  of  Common  Stock  that are
outstanding and exercisable as of the Effective Time and (ii) in calculating the
percentage  of Common  Stock  beneficially  owned by any  Stockholder  Party for
purposes of any  provision  of this  Stockholders  Agreement  which sets forth a
specific  percentage of Common Stock, the only shares of Common Stock that shall
be taken into  account  are (x) shares of Common  Stock  which are  beneficially
owned by such Stockholder  Party (or, in the case of any Transferee  pursuant to
Section 4.11(a) hereof,  the Stockholder  Party which Transferred such shares to
the  Transferee)  as of the Effective  Time (giving  effect to the conversion of
shares pursuant to the Merger Agreement and including all shares of Common Stock
that can be  acquired by the  exercise  of warrants to acquire  shares of Common
Stock that are outstanding and exercisable as of the Effective Time) and (y) any
other  securities  referred to clause (ii) or (iii) of the  definition of Common
Stock which are  thereafter  issued in respect of such shares,  and in each case
which continue to be beneficially owned by such Stockholder Party at the time as
of which the determination is made.

            "BOARD OF DIRECTORS" means the board of directors of the Company.


<PAGE>

            "BY-LAWS" means the by-laws of the Company, as amended from time
to time.

            "CERTIFICATE   OF   INCORPORATION"    means   the   Certificate   of
Incorporation of the Company, as amended from time to time.

            "CHANGE OF CONTROL PROVISION" has the meaning specified in
Section 5.2 hereof.

            "COMMON STOCK" means (i) the common stock, par value $.01 per share,
of the Company,  (ii) any stock or other securities into which or for which such
common stock may  hereafter be changed,  converted or  exchanged,  and (iii) any
other securities issued to holders of such common stock (or such securities into
which or for which such common stock is so changed, converted or exchanged) upon
any  reclassification,  share combination,  share  subdivision,  share dividend,
merger, consolidation or similar transaction(s) or event(s).

            "COMPANY" has the meaning  specified in the first  paragraph of this
Stockholders Agreement, and shall include its successors.

            "COMPANY INDEMNIFIED PARTIES" has the meaning specified in
Section 4.7(a) hereof.

            "COMPANY PIGGYBACK SECURITIES" has the meaning specified in
Section 4.1(a) hereof.

            "COMPANY SECURITIES" has the meaning specified in Section 4.2(a)
hereof.

            "COMPANY STOCKHOLDERS MEETING" has the meaning specified in
Section 2.2(c) hereof.

            "DEBT AGREEMENT" has the meaning specified in Section 5.2 hereof.

            "DEMAND NOTICE" has the meaning specified in Section 4.1(a)
hereof.

            "DEMAND REGISTRATION" has the meaning specified in Section 4.1(a)
hereof.

            "DISTRIBUTION EXPENSES" means all (i) underwriting  discounts,  fees
and  commissions,  and (ii) stock transfer  taxes,  if any related to or arising
from the  distribution  of  securities  pursuant to a Demand  Registration  or a
Piggyback Registration.

            "EFFECTIVE TIME" has the meaning specified in the Merger
Agreement.

            "EXCHANGE  ACT"  means  the  Securities  Exchange  Act of  1934,  as
amended, or any successor federal statute,  and the rules and regulations of the
SEC  promulgated  thereunder,  as they each may from time to time be in  effect.
References in this Stockholders Agreement to a particular section of, or rule or
regulation  promulgated  under,  the  Exchange Act means such  section,  rule or
regulation, as the case may be, as from time to time in effect, or any successor
provision to similar effect.


<PAGE>


            "EXEMPTED TRANSACTIONS" has the meaning specified in Section 3.2
hereof.

            "FAMILY GROUP" has the meaning specified in Section 3.2 hereof.

            "INDEMNIFIED PARTY" has the meaning specified in Section 4.7(c)
hereof.

            "INDEMNIFYING PARTY" has the meaning specified in Section 4.7(c)
hereof.

            "INDEPENDENT  DIRECTOR"  means  any  individual  independent  of and
otherwise  unaffiliated with any party hereto (other than the Company),  and who
shall not be an  officer  or an  employee,  trustee,  consultant  or  advisor or
(financial,  legal or other) of any party hereto (other than the Company) or any
Affiliate thereof, or any individual who shall have served in any such capacity,
or who is, or has  been,  an  officer  or  employee  of any such  consultant  or
advisor.

            "INITIATING PARTY" has the meaning specified in Section 4.1(a)
hereof.

            "LOSS" has the meaning specified in Section 4.7(a) hereof.

            "MANAGEMENT REPRESENTATIVES" has the meaning specified in Section
2.2(a) hereof.

            "MAXIMUM AMOUNT" has the meaning specified in Section 3.1(b)
hereof.

            "MERGER" has the meaning specified in the recitals of this
Stockholders Agreement.

            "MERGER AGREEMENT" has the meaning specified in the recitals of
this Stockholders Agreement.

            "NOMINEE" has the meaning specified in Section 2.2(a) hereof.

            "OTHER PARTY" has the meaning specified in Section 3.1(a) hereof.

            "OTHER  PIROD  STOCKHOLDER"  has the meaning  specified in the first
paragraph of this Stockholders Agreement.

            "OTHER SECURITIES" has the meaning specified in Section 4.2(b)
hereof.

            "PARTICIPATING STOCKHOLDER PARTY" means each of (i) in the case of a
Demand  Registration,  the Initiating Party and each other Stockholder Party, if
such  other  Stockholder  Party  delivers  the  request  referred  to in Section
4.1(a)(i)(C)  hereof  and (ii) in the  case of a  Piggyback  Registration,  each
Stockholder  Party that  delivers the request  referred to in Section  4.2(a) or
4.12(d)(i) hereof.

            "PERSON" means any  individual,  partnership,  corporation,  limited
liability company, trust, unincorporated organization or other legal entity, and
a government or agency or political subdivision thereof.


<PAGE>

            "PIGGYBACK REGISTRATION" has the meaning specified in Section
4.2(a) hereof.

            "PIGGYBACK REGISTRATION NOTICE" has the meaning specified in
Section 4.2(a) hereof.

            "PIROD" has the meaning specified in the recitals of this
Stockholders Agreement.

            "PIROD STOCKHOLDERS" has the meaning specified in the first
paragraph of this Stockholders Agreement.

            "PIROD TRANSFEREE" has the meaning specified in Section 6.2
hereof.

            "PRINCIPAL STOCKHOLDER PARTY" means either (i) the Trust or (ii) the
Bain  Stockholders  (which shall be  considered a single  Principal  Stockholder
Party for purposes of this Stockholders  Agreement);  and "PRINCIPAL STOCKHOLDER
PARTIES" means both the Trust and the Bain Stockholders.

            "PROSPECTUS"  means  the  prospectus  contained  in  a  Registration
Statement (including each preliminary prospectus and any summary prospectus) and
any other prospectus filed under Rule 424 under the Securities Act in connection
with the disposition of any Registrable  Securities covered by such Registration
Statement,  in each case as such prospectus may be amended or supplemented  from
time  to  time.  The  term   "Prospectus"   shall  also  include  all  documents
incorporated by reference in any such prospectus.

            "REGISTRABLE  SECURITIES"  means,  with  respect to any  Stockholder
Party, the shares of Common Stock  beneficially  owned by such Stockholder Party
as of the Effective Time (giving effect to the conversion of shares  pursuant to
the Merger Agreement) and any other securities  referred to clause (ii) or (iii)
of the definition of Common Stock which are thereafter issued in respect of such
shares. As to any particular Registrable Securities, such securities shall cease
to be Registrable  Securities when (i) a Registration  Statement with respect to
the sale of such securities shall have become effective under the Securities Act
and such  securities  shall  have  been  disposed  of in  accordance  with  such
Registration Statement,  (ii) such securities shall have been sold to the public
pursuant to Rule 144 under the Securities  Act, or (iii) such  securities  shall
have ceased to be outstanding.

            "REGISTRATION EXPENSES" has the meaning specified in Section
4.6(a) hereof.

            "REGISTRATION RIGHTS" has the meaning specified in Section
4.12(a) hereof.

            "REGISTRATION  STATEMENT"  means  a  registration  statement  of the
Company under the Securities  Act of 1933, as it may be amended or  supplemented
from time to time.  The term  "Registration  Statement"  shall also  include all
exhibits,  financial statements and schedules to any such registration statement
and all documents incorporated by reference in any such registration statement.


<PAGE>

            "SEC" means the  Securities  and  Exchange  Commission  or any other
federal agency at the time administering the Securities Act or the Exchange Act.

            "SECURITIES  ACT" means the Securities  Act of 1933, as amended,  or
any  successor  federal  statute,  and  the  rules  and  regulations  of the SEC
promulgated  thereunder,  as they  each  may  from  time  to time be in  effect.
References herein to a particular section of, or rule or regulation  promulgated
under,  the Securities Act means such section,  rule or regulation,  as the case
may be, as from time to time in effect,  or any  successor  provision to similar
effect.

            "SELLING PARTY" has the meaning specified in Section 3.1(a)
hereof.

            "SHELF REGISTRATION" has the meaning specified in Section 4.1(a)
hereof.

            "STOCKHOLDER INDEMNIFIED PARTIES" has the meaning specified in
Section 4.7(b) hereof.

            "STOCKHOLDER  PARTY"  means  either  (i) the  Trust,  (ii)  the Bain
Stockholders  (which shall be considered a single Stockholder Party for purposes
of this  Stockholders  Agreement)  or (iii) any  Other  PIROD  Stockholder;  and
"STOCKHOLDER PARTIES" means all of foregoing.

            "STOCKHOLDER PIGGYBACK SECURITIES" has the meaning specified in
Section 4.1(a) hereof.

            "STOCKHOLDER SECURITIES" has the meaning specified in Section
4.2(a) hereof.

            "STOCKHOLDERS  AGREEMENT"  has the  meaning  specified  in the first
paragraph  of  this  agreement,  as  this  agreement  may  from  time to time be
modified,  amended  or  supplemented  in writing  in  accordance  with the terms
hereof.

            "TAG-ALONG NOTICE" has the meaning specified in Section 3.1(c)
hereof.

            "TAG-ALONG  RIGHTS" means the tag-along  rights granted to the Other
Party pursuant to Section 3.1 hereof.

            "THEN-OUTSTANDING SHARES OF COMMON STOCK" means all shares of Common
Stock  outstanding at the time as of which the  determination  is made,  without
regard to (i) any shares of Common  Stock held in the treasury of the Company or
(ii) any shares of Common  Stock  issuable  pursuant to any  options,  warrants,
convertible securities or other rights, agreements,  commitments or undertakings
of any kind  obligating  the  Company to issue or  deliver  any shares of Common
Stock (whether unissued or treasury).

            "THIRD PARTY" has the meaning specified in Section 3.1(a) hereof.

            "THIRD PARTY TERMS" has the meaning specified in Section 3.1(b)
hereof.

            "TRANSFER" (when used as a noun or verb) means,  with respect to the
Common  Stock,  any  direct or  indirect  transfer,  sale,  assignment  or other
disposition thereof. For purposes of this Stockholders  Agreement, a Transfer of

<PAGE>

Common Stock by any one or more of the Bain Stockholders shall be deemed to be a
Transfer by the Bain Stockholders as a Stockholder Party hereunder.

            "TRANSFEREE" has the meaning specified in Section 4.11(a) hereof.

            "TRANSFERRED COMPANY SHARES" has the meaning specified in Section
7.4(b) hereof.

            "TRANSFERRED PIROD SHARES" has the meaning specified in Section
6.2 hereof.

            "TRUST" has the meaning  specified  in the first  paragraph  of this
Stockholders Agreement, and shall include its successors.

            "TRUST DIRECTOR" means any individual  designated by the Trust to be
nominated  for election to the Board of  Directors of the Company in  accordance
with Section 2.2 hereof who is thereafter elected to the Board of Directors.

            "TRUST NOMINEE" has the meaning specified in Section 2.2(a)
hereof.


                                   ARTICLE II

                               BOARD OF DIRECTORS

            Section 2.1.  NUMBER OF  DIRECTORS.  Until such time, if any, as the
provisions of this Article II terminate  pursuant to Section 2.6 hereof, (i) the
Board of Directors  shall  consist of ten  directors and (ii) no action shall be
taken by the  Stockholder  Parties  or the  Company  to  classify  the  Board of
Directors.

            Section 2.2.      STOCKHOLDER NOMINEES.

            (a) MERGER. As of the Effective Time, the Board of Directors will be
reconstituted  as  follows:  the Trust  shall have the right to  designate  four
individuals to serve on the Board of Directors (each, a "TRUST NOMINEE") and the
Bain Stockholders  shall have the right to designate two individuals to serve on
the Board of Directors (each, a "BAIN NOMINEE") (any individual so designated by
the Trust or the Bain Stockholders,  a "Nominee"). The remaining directors shall
consist of Brian  Pemberton,  Myron  Noble  (together  with Mr.  Pemberton,  the
"MANAGEMENT  REPRESENTATIVES")  and  two  Independent  Directors  determined  in
accordance  with Section 2.3 hereof;  PROVIDED,  HOWEVER,  that if, prior to the
Effective Time Mr.  Pemberton  shall become unable to serve as a director of the
Company,  then the Trust shall designate an individual to replace Mr.  Pemberton
who shall be either Mr.  Pemberton's  successor  or a person  designated  by the
Trust and reasonably acceptable to the Bain Stockholders; and PROVIDED, FURTHER,
that if, prior to the Effective Time Mr. Noble shall become unable to serve as a
director  of  the  Company,  then  the  Bain  Stockholders  shall  designate  an
individual to replace Mr. Noble who shall be either Mr.  Noble's  successor or a
person  designated by the Bain  Stockholders  and  reasonably  acceptable to the
Trust. Neither Management Representative (or their replacements) shall be deemed

<PAGE>

a  "Nominee",  a "Trust  Director"  or a "Bain  Director"  for  purposes of this
Stockholders Agreement.

            (b)   COMPOSITION OF BOARD AFTER MERGER.

                  (i)  Following  the  Effective  Time,  subject to Section  2.6
            hereof, each of the Principal  Stockholder Parties shall be entitled
            to representation on the Board of Directors as follows:

                        (w)  For so long as  such  Principal  Stockholder  Party
                  continues   to   beneficially   own  at   least   20%  of  the
                  then-outstanding shares of Common Stock, four designees;

                        (x)  For so long as  such  Principal  Stockholder  Party
                  continues to beneficially own less than 20%, but at least 15%,
                  of  the   then-outstanding   shares  of  Common  Stock,  three
                  designees;

                        (y)  For so long as  such  Principal  Stockholder  Party
                  continues to beneficially own less than 15%, but at least 10%,
                  of the then-outstanding shares of Common Stock, two designees;
                  and

                        (z)  For so long as  such  Principal  Stockholder  Party
                  continues to beneficially  own less than 10%, but at least 5%,
                  of the then-outstanding shares of Common Stock, one designee;

            PROVIDED, THAT (i) only Shares of Common Stock owned beneficially at
            the Effective Time shall be included in making the  calculations  in
            paragraphs  (w) - (z) above and (ii) the Trust  shall in no event be
            entitled to more than four designees,  and Bain shall in no event be
            entitled  to more  than two  designees,  on the  Board of  Directors
            pursuant to this Section 2.2.

                  (ii)  Following  the  Effective  Time,  subject to Section 2.6
            hereof,  each  Management  Representative  shall  be  nominated  for
            election to the Board of Directors pursuant to Section 2.3(c) hereof
            and the  Stockholder  Parties shall have the  obligation to vote for
            such  individuals  as  directors  pursuant  to Section  2.4  hereof;
            PROVIDED,   HOWEVER,   that   with   respect   to  each   Management
            Representative, this Section 2.2(b)(ii) shall apply only for so long
            as such  Management  Representative  continues to hold the executive
            position  with the Company  held by such  Management  Representative
            immediately after the Effective Time.

                  (iii)  Following  the Effective  Time,  subject to Section 2.6
            hereof,  the  balance  of the  directors  (including  any  vacancies
            arising as a result of a  decrease  in the  number of  designees  to
            which a Principal  Stockholder  Party is  entitled  pursuant to this
            Section  2.2(b))  shall  be  Independent   Directors  determined  in
            accordance with Section 2.3 hereof.


<PAGE>

            (c) NOMINATION  AND ELECTION.  The Company shall cause the Nominees,
the  Management  Representatives  (subject  to the  proviso set forth in Section
2.2(b)(ii) hereof) and any Independent  Directors  determined in accordance with
Section 2.3 hereof,  to be nominated  for election to the Board of Directors (i)
in the case of the  reconstitution  of the Board of  Directors  contemplated  by
Section 2.2(a)  hereof,  at the meeting of  stockholders  of the Company held to
vote upon the Merger (the "COMPANY  STOCKHOLDERS  MEETING") and (ii) thereafter,
(x) at each  annual  meeting of  stockholders  of the  Company  (or any  special
meeting of  stockholders  convened  for the purpose  (which need not be the sole
purpose) of electing  directors) or (y) in connection  with any  solicitation of
written  consents by the Company  undertaken  for the purpose (which need not be
the sole purpose) of electing directors.  The Company shall solicit proxies (or,
if  applicable,  written  consents)  for,  and  otherwise  use its  commercially
reasonable best efforts to secure, the election of such individuals to the Board
of Directors.

            (d) INFORMATION REGARDING NOMINEES. Within 20 days of the receipt by
it of written  notice of any  stockholders  meeting or  solicitation  of written
consents  relating to the election of directors  (or, in the case of the Company
Stockholders  Meeting,  within  10 days  after  the  date  of this  Stockholders
Agreement), each Principal Stockholder Party shall deliver to the Company and to
the other  Principal  Stockholder  Party a written  notice setting forth (i) the
names of its Nominee(s), (ii) such other information regarding its Nominee(s) as
would be  required to be included in the  Company's  proxy  statement  under the
Exchange Act, and (iii) the consents of its  Nominee(s) to serve as  director(s)
of the Company if so elected.

            (e)  REPLACEMENT  NOMINEES.  If, prior to his or her election to the
Board of  Directors,  any Nominee  shall become unable to serve as a director of
the Company,  the Principal  Stockholder  Party who so  designated  such Nominee
shall be entitled to  designate a  replacement,  who shall then be a Nominee for
purposes of Section 2.2(a) or 2.2(b), as the case may be.

            (f) VACANCIES.  Subject to Section 2.2(h) hereof,  the Company shall
use its  commercially  reasonable  best  efforts to ensure  that the  applicable
Principal  Stockholder  Party  shall have the  exclusive  right to  designate  a
Nominee to fill any vacancy  created by the removal,  death or  resignation of a
Bain  Director  or  Trust  Director,  as the  case  may be  (including,  without
limitation, nominating such individual for election to the Board of Directors at
a meeting of  stockholders  of the Company  (or written  consent in lieu of such
meeting)  called for purpose of filling such vacancy and, if the first  sentence
of Section 2.2(g) hereof is applicable, removing the applicable director).

            (g) REMOVAL. Each Principal Stockholder Party may at any time notify
the Company and the other Stockholder Parties in writing of its desire to remove
any of its  designees  from the Board of  Directors,  in which case the  Company
shall take the actions  specified in Sections  2.2(c) and 2.2(f)  hereof and the
other  Stockholder  Parties  shall take the  actions  specified  in Section  2.4
hereof.  No  Stockholder  Party shall seek to remove any of another  Stockholder
Party's designees from the Board of Directors for any reason.

            (h)  RECONSTITUTION  OF BOARD.  If at any time the  amount of Common
Stock  beneficially  owned by any Principal  Stockholder  Party changes so as to
decrease the number of designees to which such  Principal  Stockholder  Party is

<PAGE>

entitled  pursuant to Section 2.2(b)  hereof,  the  Stockholder  Parties and the
Company will  promptly take all necessary  action to  reconstitute  the Board of
Directors in accordance with Section 2.2(b) hereof.

            Section  2.3.  INDEPENDENT  DIRECTORS.   The  Principal  Stockholder
Parties  shall use their  commercially  reasonable  best efforts to agree on the
nominees for election to the Board of Directors as  Independent  Directors  with
respect to the Company  Stockholders  Meeting and,  thereafter,  with respect to
each annual  meeting of  stockholders  of the Company or any special  meeting of
stockholders  of the Company (or written consent in lieu of such meeting) called
for the purpose of electing  directors.  If and to the extent that the Principal
Stockholder  Parties  are  unable to so  agree,  the  Board of  Directors  shall
determine  the  identity of the  Independent  Directors  whom the Company  shall
nominate for election to the Board of Directors.  The foregoing procedures shall
also apply in the event of any vacancy on the Board of Directors  created by the
removal,  death  or  resignation  of an  Independent  Director.  Any  individual
selected by the Principal Stockholder Parties or by the Board of Directors as an
Independent  Director  pursuant  to this  Section  2.3  shall  not be  deemed  a
"Nominee",  a  "Trust  Director"  or a  "Bain  Director"  for  purposes  of this
Stockholders Agreement.

            Section  2.4.  COVENANT  TO VOTE.  The  Trust  and each of the PIROD
Stockholders  agrees that, at any annual meeting of  stockholders of the Company
or any special  meeting of  stockholders  of the Company (or written  consent in
lieu of such  meeting)  called for the purpose of electing  (or, if  applicable,
removing) directors, all of the Common Stock (and all other voting securities of
the  Company,  if any)  beneficially  owned by it  shall  be  voted  (i) for the
election of the  individuals  nominated in accordance  with Sections 2.2 and 2.3
hereof (including, without limitation, any nomination for the purpose of filling
any vacancy) and (ii) if any  Principal  Stockholder  Party has given the notice
referred to in the first sentence of Section  2.2(g) hereof,  for the removal of
the director or directors specified in such notice.

            Section 2.5.      ACTION BY THE BOARD; QUORUM.  A majority of the
entire Board of Directors shall constitute a quorum.  All actions by the
Board of Directors shall be taken by a majority vote of such quorum.

            Section  2.6.  TERMINATION  OF  ARTICLE  II.  This  Article II shall
terminate at such time,  if any, as either  Principal  Stockholder  Party is the
beneficial owner of less than 5% of the then-outstanding shares of Common Stock.


                                   ARTICLE III

                                TAG-ALONG RIGHTS

            Section 3.1 TAG-ALONG RIGHTS.

            (a) GENERAL.  Each Stockholder Party (a "SELLING PARTY") agrees that
it shall not Transfer for value any shares of Common Stock beneficially owned by
it  (other  than in  Exempted  Transactions  (as  defined  below),  to which the
provisions of this Section 3.1 do not apply) if such Transfer, together with all

<PAGE>

such  Transfers of Common Stock by the Selling  Party and/or its  Affiliates  as
part of the same  transaction  or series of related  transactions  (excluding in
each case Exempted Transactions),  would result in a Transfer of Common Stock in
excess of an aggregate  of 5% of the  then-outstanding  shares of Common  Stock,
unless the terms and  conditions of such Transfer shall include an offer to each
of the other  Stockholder  Parties (each of the foregoing,  an "OTHER PARTY") to
include in the Transfer to the proposed  transferee or  transferees  (the "THIRD
PARTY"),  at such  Other  Party's  option  and on the same price and on the same
terms and  conditions as apply to the Selling  Party,  an amount of Common Stock
equaling the least of (i) the number  derived by  multiplying  (x) the number of
shares of Common Stock beneficially owned by such Other Party by (y) a fraction,
the  numerator of which is the number of shares of Common  Stock  proposed to be
Transferred  by the Selling  Party,  and the  denominator  of which is the total
number of shares of Common Stock  beneficially owned by the Selling Party on the
date of the notice  referred  to in Section  3.1(b)  hereof,  (ii) if there is a
Maximum  Amount (as defined in Section  3.1(b)  hereof),  the number  derived by
multiplying (x) the Maximum Amount by (y) a fraction,  the numerator of which is
the  number  of  shares  of  Common  Stock  owned by such  Other  Party  and the
denominator of which is the total number of shares of Common Stock  beneficially
owned by the Selling  Party and all Other  Parties  exercising  their  Tag-Along
Rights  pursuant to Section  3.1(c) hereof or (iii) such lesser number of shares
as such Other Party shall designate in its Tag-Along Notice.

            (b) NOTICE BY SELLING  PARTY.  The Selling  Party  shall  notify the
Company and the Other  Parties in writing of any proposed  Transfer to which the
provisions of this Section 3.1 apply.  Each such notice shall set forth: (i) the
name and address of the Third  Party,  (ii) the number of shares of Common Stock
proposed to be  Transferred  to the Third  Party,  (iii) the number of shares of
Common Stock  beneficially  owned by the Selling Party, (iv) the proposed amount
and form of  consideration  and terms and  conditions of payment  offered by the
Third Party, and any other material terms pertaining to the Transfer (the "THIRD
PARTY TERMS"), including without limitation, whether the Third Party has limited
the number of shares it  proposes to  purchase  from the  Selling  Party and the
Other Parties  pursuant to this Section 3.1 to the number of shares set forth in
clause (ii) above (the "MAXIMUM AMOUNT"),  and (v) that the Third Party has been
informed of the Tag-Along Rights of the Other Parties and has agreed to purchase
shares of Common Stock in accordance with the terms hereof.

            (c)   EXERCISE OF TAG-ALONG RIGHTS BY OTHER PARTIES.

                  (i) Each Other  Party may  exercise  its  Tag-Along  Rights by
            delivery of a written  notice to the  Company and the Selling  Party
            (the "TAG-ALONG  NOTICE") within twenty (20) days following  receipt
            of the notice  specified in Section  3.1(b)  hereof.  The  Tag-Along
            Notice  shall  state  (x) the  number  of  shares  of  Common  Stock
            beneficially  owned by such Other Party and (y) the number of shares
            of Common  Stock  that such  Other  Party  wishes to include in such
            Transfer to the Third Party (giving  effect to the formula set forth
            in clauses (i) and (iii) of Section  3.1(a)  hereof,  but subject to
            reduction, if applicable,  pursuant to clause (ii) of Section 3.1(a)
            hereof).


<PAGE>

                  (ii) Each Other Party which delivers a Tag-Along Notice shall,
            upon the giving of such notice,  be entitled  and  obligated to sell
            the  number of shares  of Common  Stock set forth in such  Tag-Along
            Notice to the Third Party on the Third Party Terms.

                  (iii) After expiration of the twenty-day period referred to in
            subparagraph  (i)  above,  if no Other  Party has given a  Tag-Along
            Notice and the  provisions  of this  Section 3.1 have been  complied
            with in all  respects,  the Selling Party shall have the right for a
            120-day period to Transfer the shares of Common Stock covered by the
            notice set forth in Section  3.1(b) hereof to the Third Party on the
            Third  Party  Terms  (or on  other  terms no more  favorable  to the
            Selling  Party) without  further  notice to the Other  Parties,  but
            after such 120-day period no such Transfer may be made without again
            giving  notice to the Other  Parties of the  proposed  Transfer  and
            complying with the requirements of this Section 3.1.

            (d) CLOSING.  At the closing of the Transfer by the Selling Party to
any Third Party (of which the Selling  Party shall give each Other Party who has
elected to  exercise  its  Tag-Along  Right at least five  business  days' prior
written  notice),  the Third Party shall remit to each Other Party as applicable
the  consideration  for the total sales price of the Common  Stock  beneficially
owned by such Other Party sold pursuant thereto,  against delivery by such Other
Party of certificates for such Common Stock, duly endorsed or with duly executed
stock powers and the compliance by such Other Party with any other conditions to
closing included in the Third Party Terms.

            (e) THIRD PARTY TERMS. Notwithstanding anything in this Stockholders
Agreement to the contrary, for purposes of determining the consideration payable
to each Other Party as applicable at the closing  referred to in Section  3.2(d)
hereof,  (x) if the Third Party Terms  provide that the Third Party shall assume
any debt of the  Selling  Party,  such  assumption  shall be  treated  as a cash
payment  equal to the amount of debt so assumed and (y) a Transfer (by merger or
otherwise)  of any equity or  beneficial  interest  in any  Person  which is the
beneficial  owner of Common  Stock (or any  direct  or  indirect  parent of such
Person) shall be treated as follows:

                  (i)  such  Transfer  shall be  deemed  to be a  Transfer  of a
            percentage   of  the  total   number  of  shares  of  Common   Stock
            beneficially  owned by such Person  equal to the  percentage  of the
            equity or  beneficial  interest  in such  Person  (or such  Person's
            parent) Transferred in such transaction; and

                  (ii) the consideration  allocable to the Common Stock shall be
            determined  by an  investment  banking  firm of national  reputation
            selected by the Selling Party and reasonably  satisfactory  to other
            Principal Stockholder Party.

            Section 3.2 EXEMPTED  TRANSACTIONS.  The following  Transfers  shall
constitute  "EXEMPTED  TRANSACTIONS"  for purposes of Section 3.1 hereof:  (i) a
Transfer  of  Common  Stock by any  Stockholder  Party to an  Affiliate  of such
Stockholder  Party,  (ii) a Transfer of Common Stock by any Stockholder Party to
the public pursuant to an effective  registration statement under the Securities
Act,  provided such offering is an underwritten or anonymous  offering,  (iii) a
Transfer  of  Common  Stock  by any  Stockholder  Party  pursuant  to  Rule  144

<PAGE>

promulgated  under the  Securities  Act,  (iv) a Transfer of Common Stock by any
Bain Stockholder to its limited partners,  (v) a Transfer of Common Stock by any
PIROD Stockholder pursuant to applicable laws of descent and distribution,  (vi)
a Transfer of Common Stock by PH, Inc. to its  stockholders  or (vii) a Transfer
of  Common  Stock by a PIROD  Stockholder  to a member of his  Family  Group (as
defined  below),  provided that the provisions  contained in this Agreement will
continue to be applicable to such shares of Common Stock after any such Transfer
pursuant  to clauses  (i),  (vi) and (vii)  hereof and the  transferees  of such
shares of Common Stock shall agree in writing to be bound by the  provisions  of
this  Agreement  (in which case Exhibit A or B hereto,  as  applicable,  will be
deemed  amended to add each such  transferee as a Bain  Stockholder  or an Other
PIROD  Stockholder,  as the case may be.  "FAMILY  GROUP"  means the  spouse and
descendants (whether natural or adopted) and any trust solely for the benefit of
a PIROD Stockholder and/or his spouse and/or descendants.


                                   ARTICLE IV

                               REGISTRATION RIGHTS

            Section 4.1.      DEMAND REGISTRATION, INCLUDING SHELF REGISTRATION.

            (a)   REQUEST FOR REGISTRATION.

                  (i) At any  time  and  from  time  to  time  after  the  first
            anniversary  of the Effective  Time  (subject to Section  4.1(a)(ii)
            hereof), upon the written request of any Principal Stockholder Party
            (the  "INITIATING  PARTY") that the Company effect the  registration
            under the Securities Act of a number of Registrable  Securities that
            is not less than the lesser of (x) Registrable  Securities having an
            aggregate  market  value  (based on the  closing  share price on the
            business day  immediately  preceding the date of such request) of at
            least $5 million or (y) at least 3% of the  then-outstanding  shares
            of Common Stock (a "DEMAND NOTICE"), which request shall specify the
            intended  method  or  methods  of  disposition  of such  Registrable
            Securities  (it  being  understood  that  the  method  specified  or
            intended by the  Initiating  Party with respect to any  registration
            may be an offering on a delayed or continuous basis pursuant to Rule
            415 under the Securities Act or otherwise (a "SHELF REGISTRATION")),
            the Company  will  promptly  give written  notice of such  requested
            registration  to the other  Stockholder  Parties,  and thereupon the
            Company shall use its commercially reasonable best efforts to effect
            as promptly as practicable the registration under the Securities Act
            of:

                        (A) all of the Registrable  Securities which the Company
                  has been so requested to register by the Initiating Party,

                        (B) all shares of Common Stock which the Company desires
                  to  include  in such  registration  for its  own  account,  as
                  specified in a written  notice given to the  Initiating  Party

<PAGE>

                  and the other Stockholder Parties within 10 days after receipt
                  by the Company of the Demand Notice, and

                        (C) all  Registrable  Securities  which the  Company has
                  been requested to include in such  registration  by each other
                  Stockholder  Party, as specified in a written request given by
                  such Stockholder Party to the Company and the Initiating Party
                  within 10 days after receipt of the aforesaid  written  notice
                  from the Company (together with the securities  referred to in
                  clause (B) above, the "ADDITIONAL SECURITIES"),

            all to the  extent  requisite  to  permit  the  disposition  of such
            Registrable  Securities  in accordance  with the intended  method or
            methods  of   disposition   specified  in  the  Demand   Notice.   A
            registration  pursuant  to this  Section  4.1(a)(i)  is  referred to
            herein as a "DEMAND REGISTRATION."

                  (ii)  Notwithstanding  the foregoing  subparagraph (i), if any
            Principal  Stockholder  Party  shall  desire  to  request  a  Demand
            Registration pursuant to Section 4.1(a)(i) hereof prior to the first
            anniversary of the Effective  Time, (x) it shall so notify the other
            Principal Stockholder Party in writing,  seeking the other Principal
            Stockholder  Party's consent to such Demand Registration and (y) the
            Initiating  Party may  deliver  its  Demand  Notice  to the  Company
            pursuant to Section  4.1(a)(i)  hereof  only if the other  Principal
            Stockholder  Party  consents  to  such  Demand  Registration  (which
            consent may be given or withheld in its sole discretion).

                  (iii) Notwithstanding the foregoing  subparagraph (i), (x) the
            right  of each  Principal  Stockholder  Party  to  request  a Demand
            Registration  as provided  therein shall  terminate at such time, if
            any,  as the  Registrable  Securities  beneficially  owned  by  such
            Principal   Stockholder   Party  constitute  less  than  3%  of  the
            then-outstanding  shares  of  Common  Stock and (y) the right of any
            Stockholder Party to participate in any Demand Registration pursuant
            to Section 4.1(a)(i)(C) hereof shall terminate at such time, if any,
            as the Registrable Securities beneficially owned by such Stockholder
            Party  constitute  less  than 1% of the  then-outstanding  shares of
            Common Stock.

                  (iv)  Notwithstanding  the  foregoing  subparagraph  (i), if a
            registration  pursuant to this Section 4.1 involves an  underwritten
            offering, and the lead underwriter shall advise the Initiating Party
            in writing (with a copy to the Company and each other  Participating
            Stockholder  Party) that,  in its opinion,  the number of Additional
            Securities  proposed  to be  included  in such  Demand  Registration
            exceeds  the number  that can be  reasonably  sold in such  offering
            without  materially  and adversely  affecting the offering  price or
            otherwise  materially and adversely  affecting  such  offering,  the
            Company shall include in such Demand  Registration  (but only to the
            extent of the number of securities that the lead underwriter advises
            can reasonably be sold in such offering), (x) first, the Registrable

<PAGE>

            Securities  to be  offered  by the  Initiating  Party and each other
            Participating Stockholder Party, according to the relative number of
            Registrable  Securities  beneficially  owned by the Initiating Party
            and the other Participating Stockholder Parties at such time and (y)
            second,  the securities which the Company desires to include in such
            registration.

                  (v)  The  Company  and  the  other  Participating  Stockholder
            Parties shall have withdrawal  rights with respect to the Additional
            Securities comparable to those set forth in Section 4.2(d) hereof.

                  (vi) Except as aforesaid, no other Person shall have any right
            to  include  any  securities  in  any  registration  initiated  by a
            Principal Stockholder Party as a Demand Registration.

            (b)  LIMITATIONS  ON  DEMAND   REGISTRATIONS.   Notwithstanding  the
foregoing  and  subject to  Section  4.3(a)  hereof,  the  Company  shall not be
required,   within  any  six-month  period,  to  effect  more  than  one  Demand
Registration for the account of any Principal  Stockholder  Party (including for
purposes  of this  calculation  any  Demand  Registration  in which a  Principal
Stockholder Party participates  pursuant to Section  4.1(a)(i)(C)  hereof) . For
purposes of this Stockholders  Agreement,  a registration shall not be deemed to
have been effected (i) unless a Registration  Statement with respect thereto has
become effective and maintained  effective in accordance with Section 4.5(a)(ii)
hereof,  (ii) if after it has  become  effective  and during the period in which
such Registration Statement is required to be maintained effective in accordance
with Section 4.5(a)(ii) hereof,  such Registration  Statement is interfered with
by any stop order,  injunction or other order or requirement of the SEC or other
governmental   agency  or  court  for  any  reason  not   attributable   to  any
Participating  Stockholder  Party  (and/or  any of its  Affiliates)  and has not
thereafter become effective, (iii) if the conditions to closing specified in the
purchase agreement or underwriting agreement, if any, entered into in connection
with such  registration  are not satisfied or waived,  other than by reason of a
failure on the part of any  Participating  Stockholder  Party (and/or any of its
Affiliates) or (iv) the Principal Stockholder Party referred to in the preceding
sentence  has been  unable  to sell at least 75% of the  Registrable  Securities
included by it in the offering.

            (c) COMPANY'S RIGHT TO POSTPONE  REGISTRATION.  Notwithstanding  the
foregoing,  the Company shall be entitled to postpone for a reasonable period of
time (but not exceeding 60 continuous days) the filing (but not the preparation)
of a Registration  Statement for a Demand Registration if the Company submits to
the  Initiating  Party  and  each  other   Participating   Stockholder  Party  a
certificate  signed by the Chief Executive  Officer of the Company stating that,
in the good faith judgment of the Board of Directors,  such Demand  Registration
and offering (including, without limitation, any disclosures required to be made
in connection with such Demand Registration) would materially interfere with any
material  financing,  acquisition,  corporate  reorganization  or other material
transaction  involving  the Company;  PROVIDED,  HOWEVER,  that (i) at all times
during  such  period  the  Company  is in  good  faith  using  its  commercially
reasonable  best  efforts to cause such  Registration  Statement  to be filed as

<PAGE>

promptly  as  practicable  and (ii) the Company  may not  exercise  the right to
postpone  registration  pursuant  to this  Section  4.1(c) more than once in any
twelve month period.

            (d) SELECTION OF UNDERWRITERS.  If the Demand Registration  involves
an  underwritten  offering,  the Initiating  Party (with the consent,  not to be
unreasonably  withheld,  of the other Principal  Stockholder Party, if the other
Principal  Stockholder  Party  participates in the offering  pursuant to Section
4.1(a)(i)(C)  hereof) shall have the right to select one or more underwriters to
act as lead underwriters of such underwritten offering.

            (e)   COMPANY   REGISTRATION.   Notwithstanding   anything  in  this
Stockholders  Agreement to the contrary,  after receipt of a Demand Notice,  the
Company shall not initiate a  registration  of any of its securities for its own
account (other than a registration on Form S-4 or Form S-8 or any like successor
forms),  for the  account  of any  other  Stockholder  Party  (except  a  Demand
Registration  in which such other  Stockholder  Party  participates  pursuant to
Section 4.1(a)(i)(C) hereof) and/or for the account of any other Person pursuant
to registration  rights granted to such Person in compliance with Section 4.9(a)
hereof until 90 days after the effective date of the Registration  Statement for
such Demand Registration.

            (f) WITHDRAWAL OF REGISTRATION.  At any time after the Company files
with the SEC the Registration  Statement for a Demand  Registration and prior to
such Registration Statement being declared effective by the SEC, the Company, if
requested  in writing  by the  Initiating  Party  (with the  consent,  not to be
unreasonably  withheld,  of the other Principal  Stockholder Party, if the other
Principal  Stockholder  Party  participates in the offering  pursuant to Section
4.1(a)(i)(C) hereof), shall promptly withdraw such registration.

            Section 4.2.      PIGGYBACK REGISTRATION.

            (a)   REQUEST FOR REGISTRATION.

                  (i) If the Company at any time proposes to file a Registration
            Statement under the Securities Act relating to an offering of shares
            of  Common  Stock or other  equity  securities  of the  Company,  or
            securities  convertible  into or  exchangeable  or  exercisable  for
            shares  of  Common  Stock or such  other  securities  (other  than a
            Registration Statement on Form S-4 or Form S-8 or any like successor
            forms), to be offered for its own account (the "COMPANY SECURITIES")
            or for  the  account  of  any  other  Person  (other  than a  Demand
            Registration  for the  account  of one or more  Stockholder  Parties
            pursuant  to Section  4.1  hereof),  the  Company  shall (x) provide
            prompt written notice of the proposed  offering to each  Stockholder
            Party,  setting forth the number and type of securities  proposed to
            be offered and a  description  of the intended  method or methods of
            distribution (the "PIGGYBACK  REGISTRATION NOTICE"), and (y) use its
            commercially  reasonable  best  efforts to effect  the  registration
            under the Securities Act (a "PIGGYBACK REGISTRATION") of such number
            of Registrable Securities as shall be specified in a written request
            by such  Stockholder  Party  (collectively  with any  securities  so
            specified  by  all  other  Stockholder   Parties,  the  "STOCKHOLDER
            SECURITIES")  made  within 15 days after  receipt of such  Piggyback

<PAGE>

            Registration Notice from the Company, subject to Sections 4.2(a)(ii)
            and 4.2(b) hereof.

                  (ii) Notwithstanding the foregoing subparagraph (i), the right
            of any  Stockholder  Party to request a  Piggyback  Registration  as
            provided  therein  shall  terminate  at such  time,  if any,  as the
            Registrable Securities  beneficially owned by such Stockholder Party
            constitute  less  than 1% of the  then-outstanding  shares of Common
            Stock.

            (b)  PRIORITY.  If a  registration  pursuant  to  this  Section  4.2
involves an underwritten  offering,  and the lead  underwriter  shall advise the
Company in writing (with a copy to each  Participating  Stockholder Party) that,
in its opinion, the number of Stockholder  Securities proposed to be included in
such  registration  exceeds  the  number  that  can  reasonably  be sold in such
offering  without  materially  and  adversely  affecting  the offering  price or
otherwise  materially and adversely  affecting such offering,  the Company shall
include in such registration (but only to the extent of the number of securities
that the Company is so advised can  reasonably  be sold in such  offering),  (i)
first,  the  Company  Securities,   (ii)  second,  the  Stockholder  Securities,
determined on a pro rata basis  according to the relative  number of Registrable
Securities  beneficially owned by the Participating  Stockholder Parties at that
time, and (iii) third, if all Company Securities and Stockholder  Securities are
included  in such  registration,  any  shares  of Common  Stock or other  equity
securities of the Company,  or securities  convertible  into or  exchangeable or
exercisable  for shares of Common Stock or such other  securities  to be offered
for the account of any other Person pursuant to  registration  rights granted to
such Person in compliance with Section 4.9(a) hereof (the "OTHER SECURITIES").

            (c)  COMPANY  DETERMINATION  NOT TO  REGISTER.  Notwithstanding  the
foregoing,  if, at any time after giving a Piggyback  Registration Notice to the
Stockholder Parties pursuant to Section 4.2(a) hereof and prior to the effective
date of the  Registration  Statement in respect of such Piggyback  Registration,
the  Company  shall  determine  for any reason not to  register  the  securities
proposed to be covered thereby,  the Company may, at its election,  give written
notice  of  such  determination  to each  Participating  Stockholder  Party  and
thereupon  shall be  relieved of its  obligation  to  register  any  Registrable
Securities in connection with such  registration (but not from any obligation of
the Company to pay the Registration Expenses in connection  therewith,  pursuant
to Section 4.6(b)  hereof),  without  prejudice,  however,  to the rights of any
Principal  Stockholder  Party to request that such registration be effected as a
Demand Registration (subject to Section 4.1(a) hereof). No registration effected
under this Section 4.2 shall relieve the Company of its obligations  pursuant to
Section 4.1 hereof.

            (d)  WITHDRAWAL  OF  REGISTRABLE   SECURITIES.   Any   Participating
Stockholder  Party may  withdraw all or any part of its  Registrable  Securities
from any Piggyback  Registration  upon written notice to the Company at any time
prior  to the  later  of (i)  the  Registration  Statement  in  respect  of such
Piggyback  Registration  being  declared  effective  by the  SEC  and  (ii)  the
execution  of  any  underwriting   agreement  with  respect  to  such  Piggyback
Registration.


<PAGE>

            Section 4.3 UNDERWRITTEN OFFERINGS.

            (a) DEMAND  REGISTRATION.  If requested by the  underwriters for any
underwritten Demand  Registration,  the Company shall enter into an underwriting
agreement  with  such  underwriters  for such  offering,  such  agreement  to be
reasonably  satisfactory  in form and substance to the Company,  the  Initiating
Party,  each other  Participating  Stockholder Party and the underwriters and to
contain such  representation  and warranties by the Company and such other terms
as are  customarily  contained in  agreements of that type,  including,  without
limitation,  covenants  to keep the  Registration  Statement  current  until all
Registrable  Securities  to be sold in such  offering have been sold or disposed
of,  indemnities  and  contribution  to the effect and to the extent provided in
Section 4.7 hereof and the  provision  of  opinions of counsel and  accountants'
letters to the effect and to the extent  provided in Section  4.5(a)(x)  hereof.
The  Initiating  Party and each  other  Participating  Stockholder  Party  shall
cooperate with the Company in the negotiation of the underwriting  agreement and
shall be a party to such underwriting agreement.

            (b)  PIGGYBACK  REGISTRATION.  In  connection  with  each  Piggyback
Registration,  if the  Company  proposes  to  distribute  any of its  securities
through one or more underwriters,  the Company shall,  subject to Section 4.2(b)
hereof,  arrange for such underwriters to include all the Registrable Securities
proposed to be offered and sold by each Participating Stockholder Party with the
other  securities of the Company to be  distributed by such  underwriters.  Each
Participating  Stockholder Party shall be a party to the underwriting  agreement
between the Company and such underwriters.

            (c) UNDERWRITING  AGREEMENT. In each underwriting agreement referred
to in Section 4.3(a) or 4.3(b) hereof, each Participating  Stockholder Party, at
its option,  may require that any or all of the  representations  and warranties
by, and the other  agreements on the part of, the Company to and for the benefit
of  such  underwriters  shall  also be  made  to and  for  the  benefit  of such
Participating Stockholder Party, and that any or all of the conditions precedent
to the obligations of such underwriters under such underwriting  agreement shall
be conditions  precedent to the  obligations of such  Participating  Stockholder
Party. The Participating  Stockholder  Parties shall not be required to make any
representations  or  warranties  to  or  agreements  with  the  Company  or  the
underwriters other than representations,  warranties or agreements regarding the
Participating  Stockholder Parties and information provided by the Participating
Stockholder Parties to be included in the applicable Registration Statement, the
Registrable  Securities and the intended method or methods or  distribution  and
any other  representation  required  by law,  or to  furnish  any  indemnity  or
contribution to any Person which is broader than the indemnity and  contribution
furnished by the Participating Stockholder Parties in Section 4.7 hereof.

            Section 4.4.  PREPARATION OF REGISTRATION STATEMENT.

            (a) DEMAND REGISTRATION. Each Registration Statement in respect of a
Demand  Registration  shall be on any form selected by the Company for which the
Company  then  qualifies;   PROVIDED,   HOWEVER,  that  the  Company  shall  use
commercially  reasonable  best  efforts to continue to be  qualified to register

<PAGE>

secondary  offerings of its securities  under the Securities Act on Form S-3 (or
any like successor form).

            (b) PIGGYBACK  REGISTRATION.  Each Registration Statement in respect
of a  Piggyback  Registration  shall  provide  for  the  offering  and  sale  of
Registrable  Securities in a manner consistent with the offering and sale of the
other securities of the Company to which such Registration Statement relates.

            (c) OPPORTUNITY TO  PARTICIPATE.  In connection with the preparation
of  each  Registration  Statement  in  respect  of a  Demand  Registration  or a
Piggyback  Registration,  the Company shall give each Participating  Stockholder
Party and its underwriters, if any, and their respective counsel and accountants
the opportunity to participate in the preparation of such Registration Statement
and the related  Prospectus,  including  each  amendment  thereof or  supplement
thereto,  and any  correspondence to the SEC (including its staff) responding to
comments on the  Registration  Statement or  Prospectus,  and shall give each of
them such access to the financial  and other  records,  corporate  documents and
properties of the Company and its subsidiaries and such opportunities to discuss
the  business  of the  Company  with its  officers  and the  independent  public
accountants  who have certified its financial  statements as shall be necessary,
in the opinion of such  Participating  Stockholder  Party,  such underwriters or
their  respective  counsel,  to conduct a  reasonable  investigation  within the
meaning of the Securities Act. In the case of a Demand Registration, the Company
shall not file any such  Registration  Statement or  Prospectus,  including  any
amendment  thereof  or  supplement  thereto,  or  response  letter  to which any
Participating Stockholder Party or any such counsel reasonably objects.

            (d) PARTICIPATING  STOCKHOLDER  PARTY'S  INFORMATION.  In connection
with the  preparation  of each  Registration  Statement  in  respect of a Demand
Registration  or  a  Piggyback  Registration,   the  Company  may  require  each
Participating   Stockholder  Party  to  furnish  the  Company  such  information
regarding  such  Participating  Stockholder  Party and the  distribution  of the
Registrable  Securities  to which  such  Registration  Statement  relates as the
Company may from time to time reasonably request in writing.

            Section 4.5  REGISTRATION PROCEDURES.

            (a) COMPANY OBLIGATIONS. If and whenever the Company is obligated by
the provisions of this Stockholders Agreement to use its commercially reasonable
best efforts to effect the registration of any Registrable  Securities under the
Securities Act, the Company shall as promptly as practicable:

                  (i) prepare, and as promptly as practicable,  but in any event
            within 60 days after the  receipt of the Demand  Notice  (subject to
            Section 4.2(d) hereof),  file with the SEC a Registration  Statement
            with  respect  to the  Registrable  Securities  and  thereafter  use
            commercially  reasonable  best  efforts to cause  such  Registration
            Statement to become effective;

                  (ii) use  commercially  reasonable  best  efforts to cause the
            Registration  Statement to remain  effective and to prepare and file
            with the SEC any  amendments  and  supplements  to the  Registration

<PAGE>

            Statement and to the related  Prospectus as may be necessary to keep
            the  Prospectus  current until the earlier of (x) such time at which
            all  Registrable  Securities  offered  thereby  have  been  sold  or
            disposed of in  accordance  with the  intended  method or methods of
            disposition  by the  Participating  Stockholder  Parties  (or are no
            longer Registrable Securities) and in compliance with the provisions
            of the  Securities  Act  and  (y) 60  days  after  the  Registration
            Statement is first declared effective;

                  (iii) notify each  Participating  Stockholder Party (v) when a
            Registration  Statement becomes effective,  (w) when the filing of a
            post-effective  amendment to a Registration  Statement or supplement
            to or amendment of the related Prospectus is required, when the same
            is filed,  and in the case of a post-effective  amendment,  when the
            same  becomes  effective,  (x) of any  request  by the  SEC  for any
            amendment  of or  supplement  to a  Registration  Statement  or  the
            related Prospectus or for additional  information,  (y) of the entry
            of any stop order suspending the  effectiveness of such Registration
            Statement or of the initiation of any  proceedings  for that purpose
            and (z) of the suspension of the  qualification  of any  Registrable
            Securities  for  offering  or  sale  in any  jurisdiction  or of the
            initiation of any proceedings for that purpose;

                  (iv) make every reasonable  effort (x) to prevent the entry of
            any stop  order  affecting  the  Registration  Statement  and (y) to
            remove any such stop  order,  if entered  at the  earliest  possible
            moment;

                  (v) furnish to each  Participating  Stockholder  Party and any
            underwriters  such number of  conformed  copies of the  Registration
            Statement as initially filed with the SEC and of each  pre-effective
            and  post-effective  amendment or  supplement  thereto (in each case
            including  at  least  one  copy  of all  exhibits  thereto  and  all
            documents incorporated by reference therein),  such number of copies
            of each Prospectus,  and such other documents, as such Participating
            Stockholder  Party or any  underwriter  reasonably  may  request  to
            facilitate the  distribution of the Registrable  Securities to which
            such Registration Statement relates;

                  (vi) use commercially  reasonable best efforts (x) to register
            or qualify  the  Registrable  Securities  covered by a  Registration
            Statement   under   the   securities   or  blue  sky  laws  of  such
            jurisdictions in the United States as any Participating  Stockholder
            Party  reasonably  requests,  (y) to keep each such  registration or
            qualification  in effect  until the earlier of (A) the time at which
            all Registrable  Securities  covered by such Registration  Statement
            have been sold or disposed of in accordance with the intended method
            or methods of disposition by the Participating  Stockholder  Parties
            (or are no longer Registrable Securities) and in compliance with the
            provisions of such securities or blue sky laws and (B) 60 days after
            the Registration  Statement is first declared effective,  and (z) to
            do any and  all  other  acts  and  things  which  may be  reasonably
            necessary  or  advisable  to enable each  Participating  Stockholder

<PAGE>

            Party to consummate  the sale or disposal in such  jurisdictions  of
            such  Registrable  Securities in accordance with the intended method
            or methods of disposition by such  Participating  Stockholder Party;
            PROVIDED,  HOWEVER,  that the Company shall not for any such purpose
            be  required  to  qualify  generally  to do  business  as a  foreign
            corporation  wherein it would not but for the  requirements  of this
            Section  4.5(a)(vi) be obligated to be so qualified or to consent to
            general service of process in any such jurisdiction;

                  (vii) use  commercially  reasonable  best efforts to cause the
            Registrable  Securities  covered by a  Registration  Statement to be
            listed on each national  securities  exchange on which the Company's
            equity  securities  are then  listed at the time of the sale of such
            Registrable  Securities pursuant to such Registration  Statement (or
            if no such  equity  securities  are then  listed,  to  qualify  as a
            "national market system security" with the NASDAQ National Market);

                  (viii) use its  commercially  reasonable best efforts to cause
            its senior management to attend and make presentations regarding the
            prospects of the Company at all meetings with prospective purchasers
            of shares of  Common  Stock  that are  arranged  by any  underwriter
            (after conferring with senior management regarding possible schedule
            conflicts) in connection with any widely  distributed,  underwritten
            offering of such shares of Common Stock;

                  (ix) notify each Participating  Stockholder Party, at any time
            when a Prospectus is required to be delivered  under the  Securities
            Act,  upon  discovery  that, or upon the happening of any event as a
            result of which,  the  Prospectus  (as then in effect)  contains any
            untrue  statement  of a  material  fact or omits to state a material
            fact  necessary  to make  the  statements  therein,  in light of the
            circumstances  under which they were made,  not  misleading,  and as
            promptly as  practicable  prepare and furnish to each  Participating
            Stockholder  Party such  number of copies of a  supplement  to or an
            amendment of such Prospectus so that, as thereafter delivered to the
            purchasers of such Registrable Securities, such Prospectus shall not
            contain any untrue  statement of a material  fact or omit to state a
            material fact necessary to make the statements  therein, in light of
            the circumstances under which they were made, not misleading;

                  (x) furnish to each  Participating  Stockholder Party a signed
            counterpart, addressed to such Participating Stockholder Party of

                         (x) an opinion of counsel for the  Company  experienced
                   in securities  law matters,  dated the effective  date of the
                   Registration Statement (and, if such registration includes an
                   underwritten  offering,  dated the date of the closing  under
                   the underwriting agreement), and

                         (y)  one or  more  "comfort"  letters,  (1)  dated  the
                   effective  date  of  the   Registration   Statement  and,  if
                   different,  dated  the  date of the  closing  of any  sale of
                   Registrable   Securities   thereunder,   or   (2)   if   such

<PAGE>

                   registration  includes an  underwritten  offering,  dated the
                   date of the underwriting  agreement and dated the date of the
                   closing under the underwriting  agreement,  in each such case
                   signed by each of the independent public accountants who have
                   issued an audit report on the financial  statements  included
                   or incorporated by reference in the Registration Statement,

            covering  such  matters as are  customarily  covered in  opinions of
            issuer's  counsel  and  in  accountants'  letters  delivered  to the
            underwriters in underwritten public offerings of securities and such
            other matters as such Participating Stockholder Party may reasonably
            request;

                  (xi)  otherwise use  commercially  reasonable  best efforts to
            comply with all  applicable  rules and  regulations  of the SEC, and
            make available generally to its stockholders a consolidated earnings
            statement   satisfying  the  provisions  of  Section  11(a)  of  the
            Securities  Act  covering a period of twelve (12)  months  beginning
            within  six months  after the  effective  date of each  Registration
            Statement,  which  statements  shall  cover said  twelve  (12)-month
            period; PROVIDED,  HOWEVER, that the Company shall be deemed to have
            complied  with this  clause  (xi) if it has  complied  with Rule 158
            under the Securities Act;

                  (xii) provide and cause to be maintained a transfer  agent and
            registrar for all Registrable Securities registered pursuant to such
            Registration  Statement and a CUSIP number for all such  Registrable
            Securities,  in each case  from and after a date not later  than the
            effective date of such Registration Statement,  and to instruct such
            transfer agent (x) to release any stop transfer  orders with respect
            to  the  Registrable  Securities  being  sold  and  (y)  to  furnish
            certificates   without  restrictive  transfer  legends  representing
            ownership  of  the  Registrable   Securities  being  sold,  in  such
            denominations  requested by any  Participating  Stockholder Party or
            the lead underwriter; and

                  (xiii) enter into such  agreements and take such other actions
            as each  Participating  Stockholder  Party or the  lead  underwriter
            reasonably   request  in  order  to  expedite  or   facilitate   the
            disposition  of  such  Registrable  Securities,  including,  without
            limitation,  preparing for and participating in such number of "road
            shows"  and all such  other  customary  selling  efforts as the lead
            underwriter   may  reasonably   request  in  order  to  expedite  or
            facilitate such disposition.

            (b)   PARTICIPATING    STOCKHOLDER   PARTY'S    OBLIGATIONS.    Each
Participating  Stockholder Party, upon receipt of any notice from the Company of
the happening of any event of the kind described in Section  4.5(a)(ix)  hereof,
shall forthwith discontinue disposition of the Registrable Securities until such
Participating  Stockholder  Party's receipt of the copies of the supplemented or
amended  Prospectus  contemplated  by  Section  4.5(a)(x)  hereof or until it is
advised in writing by the Company that the use of the  Prospectus may be resumed
and has received  copies of any  additional  or  supplemental  filings which are
incorporated by reference in the Prospectus. If so directed by the Company, each

<PAGE>

Participating  Stockholder  Party  shall  deliver to the  Company or destroy all
copies, other than permanent file copies then in such Participating  Stockholder
Party's possession, of the Prospectus required to be supplemented or amended.

            Section 4.6.   EXPENSES OF REGISTRATION.

            (a) DEMAND  REGISTRATION.  With respect to each Demand  Registration
undertaken  for  the  account  of any  Principal  Stockholder  Party  up to (and
including) the second Demand Registration that becomes effective as set forth in
Section  4.1(b)  hereof,  and the  distribution  of the  Registrable  Securities
pursuant  thereto,  the Company shall bear all  reasonable  out-of-pocket  fees,
costs and expenses  incurred by the Company and each  Participating  Stockholder
Party,   including,   without  limitation,   (i)  all  SEC  and  stock  exchange
registration  and filing fees, (ii) stock exchange  listing fees, (iii) fees and
expenses of compliance with  securities or blue sky laws  (including  reasonable
fees and disbursements of counsel in connection with blue sky  qualifications of
the Registrable  Securities),  (iv) printing expenses  (including the expense of
printing  Prospectuses),  (v) messenger and delivery  expenses,  (vi)  marketing
expenses  (including,  without  limitation,  expenses  in  connection  with road
shows),  (vii) reasonable fees and  disbursements of counsel for the Company and
each Principal  Stockholder Party and their independent public accountants,  and
(viii) all  Distribution  Expenses (all such expenses  being herein  referred to
herein as the "REGISTRATION  EXPENSES").  In the case of any Demand Registration
undertaken  thereafter,  the  Participating  Stockholder  Parties shall bear all
Registration Expenses incurred by the Company and the Participating  Stockholder
Parties  in  connection  with  such  Demand  Registration  on a pro  rata  basis
according  to the  relative  number of shares  proposed  to be  included in such
registration by the Participating Stockholder Parties;  PROVIDED,  HOWEVER, that
any Registration  Expenses attributable to any securities included in the Demand
Registration by the Company in accordance with Section 4.1(a)(i)(B) hereof shall
be borne by the Company on a pro rata basis  according to the relative number of
such Registrable  Securities  proposed to be included by it in the registration;
and  PROVIDED,  FURTHER,  that (x) the  Company  shall  bear up to a maximum  of
$25,000 for each  Participating  Stockholder Party of the fees and disbursements
of counsel for such Participating Stockholder Party and (y) except to the extent
set forth in the foregoing  clause (x),  each  Participating  Stockholder  Party
shall  bear  the fees  and  disbursements  of its  counsel,  independent  public
accountants and other advisors. Notwithstanding the foregoing, in the event that
the Bain  Stockholders are issued shares of Common Stock in the Merger that have
not been  registered  under the Securities Act, the Bain  Stockholders  shall be
entitled to  exercise  an  additional  Demand  Registration  in which all of the
Registration Expenses shall be borne by the Company.

            (b)  PIGGYBACK  REGISTRATION.  Except as set forth in the  following
sentence,  the Company shall bear all  Registration  Expenses of the Company and
each   Participating   Stockholder   Party  in  connection  with  any  Piggyback
Registration  and  the  distribution  of  the  Registrable  Securities  pursuant
thereto.  Notwithstanding the foregoing, (i) the Company shall bear the fees and
disbursements  of  counsel  for  each  Participating  Stockholder  Party up to a
maximum of $25,000 for such Participating Stockholder Party and (ii) the Company
shall not be  responsible  for (x) except as set forth in the  foregoing  clause
(i), the fees and  disbursements  of any counsel,  accountant  or other  advisor
retained  by  any  Participating  Stockholder  Party  in  connection  with  such

<PAGE>

Piggyback Registration, and (y) Distribution Expenses related to or arising from
the sale by such Participating  Stockholder Party of any Registrable  Securities
pursuant to such Piggyback Registration.

            Section 4.7.   INDEMNIFICATION.

            (a) INDEMNIFICATION BY THE COMPANY. In the event of any registration
of any  Registrable  Securities  pursuant to this  Stockholders  Agreement,  the
Company shall  indemnify and hold  harmless (i) each  Participating  Stockholder
Party, (ii) the Affiliates of each  Participating  Stockholder  Party, (iii) the
trustees,   partners,   directors,   officers,   agents  and  advisors  of  each
Participating  Stockholder  Party,  (iv)  each  Person  who  participates  as an
underwriter in the offering or sale of such Registrable  Securities and (v) each
Person  (if any) who  controls  a  Participating  Stockholder  Party or any such
underwriter  within the meaning of either the Securities Act or the Exchange Act
(collectively,  the "COMPANY INDEMNIFIED  PARTIES") from and against any and all
losses,  claims,  damages  or  liabilities  (collectively  "LOSSES"),  joint  or
several,  to which the  Company  Indemnified  Parties  or any of them may become
subject,  under the  Securities  Act or  otherwise,  insofar as such  Losses (or
actions or proceedings,  whether  commenced or threatened,  in respect  thereof)
arise  out of or are based  upon (x) any  untrue  statement  or  alleged  untrue
statement  of a  material  fact  contained  in  any  Registration  Statement  or
Prospectus in respect of such  registration,  including any amendment thereof or
supplement  thereto,  or (y) any omission or alleged omission to state therein a
material fact required to be stated  therein or necessary to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading;  and, subject to Section 4.7(c) hereof,  the Company shall reimburse
the Company Indemnified  Parties for any legal or other  out-of-pocket  expenses
reasonably  incurred by them in connection with  investigating  or defending any
such Loss, action or proceeding; PROVIDED, HOWEVER, that the foregoing indemnity
shall not apply to the extent that such Loss (or action or proceeding in respect
thereof) or expense arises out of or is based on an untrue  statement or alleged
untrue  statement  or omission  or alleged  omission  made in such  Registration
Statement  or  Prospectus  in  reliance  upon  and in  conformity  with  written
information  furnished  to the  Company  by or on behalf  of such  Participating
Stockholder  Party  expressly for use in the  preparation  of such  Registration
Statement or Prospectus.  Such  indemnity  shall remain in full force and effect
regardless of any investigation made by or on behalf of any Company  Indemnified
Party.

            (b) INDEMNIFICATION BY THE PARTICIPATING STOCKHOLDER PARTIES. In the
event  of any  registration  of any  Registrable  Securities  pursuant  to  this
Stockholders Agreement, each Participating Stockholder Party shall indemnify and
hold harmless (i) the Company,  (ii) the Company's directors,  officers,  agents
and  advisors,  (iii) each  Person who  participates  as an  underwriter  in the
offering or sale of Registrable Securities, (iv) each Person (if any) other than
such Participating Stockholder Party who controls the Company within the meaning
of either the  Securities  Act or the  Exchange  Act, and (v) if any one or more
other Stockholder Parties are Participating  Stockholder  Parties, (w) each such
other  Stockholder  Party,  (x) the  Affiliates  of each such other  Stockholder
Party, (y) the trustees, partners,  directors,  officers, agents and advisors of
each such other  Stockholder  Party,  and (z) each Person (if any) who  controls
each such other  Stockholder  Party within the meaning of either the  Securities
Act or the  Exchange  Act  (the  "STOCKHOLDER  INDEMNIFIED  PARTIES"),  from and

<PAGE>

against  any  and all  Losses,  joint  or  several,  to  which  the  Stockholder
Indemnified Parties or any of them may become subject,  under the Securities Act
or  otherwise,  insofar as such  Losses  (or  actions  or  proceedings,  whether
commenced or  threatened,  in respect  thereof) arise out of or are based on (x)
any untrue statement or alleged untrue statement of a material fact contained in
any  Registration  Statement  or  Prospectus  in respect  of such  registration,
including any amendment  thereof or supplement  thereto,  or (y) any omission or
alleged  omission to state therein a material fact required to be stated therein
or necessary to make the statements therein, in light of the circumstances under
which they were made,  not  misleading,  if in any such case such  statement  or
alleged statement or omission or alleged omission was made in reliance on and in
conformity with written information  furnished to the Company by or on behalf of
such  Participating  Stockholder  Party  expressly for use in the preparation of
such  Registration  Statement  or  Prospectus;  and,  subject to Section  4.7(c)
hereof,  such  Participating  Stockholder  Party shall reimburse the Stockholder
Indemnified  Parties for any legal or other  out-of-pocket  expenses  reasonably
incurred by them in connection  with  investigating  or defending any such Loss,
action or  proceeding.  In no event  shall the  liability  of any  Participating
Stockholder  Party  hereunder be greater in amount than the dollar amount of the
gross proceeds (net of underwriting  discounts and commissions) received by such
Participating  Stockholder  Party and/or any of its Affiliates  upon the sale of
the Registrable Securities giving rise to such indemnification  obligation. Such
indemnity shall remain in full force and effect  regardless of any investigation
made by or on behalf of any Stockholder Indemnified Party.

            (c) INDEMNIFICATION  PROCEDURES.  The party seeking  indemnification
pursuant to this Section 4.7 is referred to as the  "INDEMNIFIED  PARTY" and the
party from whom  indemnification is sought under this Section 4.7 is referred to
as the  "INDEMNIFYING  PARTY." The  Indemnified  Party shall give prompt written
notice to the Indemnifying Party of the commencement of any action or proceeding
involving a matter referred to in Section 4.7(a) or 4.7(b) hereof (an "ACTION"),
if an  indemnification  claim  in  respect  thereof  is to be made  against  the
Indemnifying  Party;  PROVIDED,  HOWEVER,  that the  failure to give such prompt
notice shall not relieve the  Indemnifying  Party of its  indemnity  obligations
hereunder  with  respect  to  such  Action,   except  to  the  extent  that  the
Indemnifying  Party is materially  prejudiced by such failure.  The Indemnifying
Party  shall be  entitled  to  participate  in and to assume the defense of such
Action,   with  counsel  selected  by  the  Indemnifying  Party  and  reasonably
satisfactory  to  the  Indemnified  Party;  PROVIDED,   HOWEVER,  that  (i)  the
Indemnifying  Party,  within a  reasonable  period of time  after the  giving of
notice of such indemnification  claim by the Indemnified Party, (x) notifies the
Indemnified  Party of its intention to assume such defense and (y) appoints such
counsel,  and (ii) the  Indemnifying  Party may not,  without the consent of the
Indemnified Party, consent to entry of any judgment or enter into any settlement
which  does not  include  as an  unconditional  term  thereof  the giving by the
claimant or plaintiff to such Indemnified  Party of a release from all liability
in respect to such Action.  If the Indemnifying  Party so assumes the defense of
any such Action, (A) the Indemnifying Party shall pay all costs associated with,
any damages awarded in, and all expenses  arising from the defense or settlement
of such  Action,  and (B) the  Indemnified  Party shall have the right to employ
separate counsel and to participate in (but not control) the defense, compromise
or settlement of such Action, but the fees and expenses of such counsel shall be
at the expense of the Indemnified  Party unless (x) the  Indemnifying  Party has

<PAGE>

agreed to pay such fees and expenses, (y) the Indemnified Party has been advised
by its counsel that there are likely to be one or more defenses  available to it
which are different  from or additional to those  available to the  Indemnifying
Party,  and in any such case that portion of the reasonable fees and expenses of
such  separate  counsel that are  reasonably  related to matters  covered by the
indemnity  provided in this Section 4.7 shall be paid by the Indemnifying  Party
or (z) such counsel has been selected by the  Indemnified  Party solely due to a
conflict of interest which exists between counsel  selected by the  Indemnifying
Party and the Indemnified  Party. If the  Indemnifying  Party does not so assume
the defense of such Action,  the Indemnified Party shall be entitled to exercise
control of the defense,  compromise or settlement of such Action. No Indemnified
Party  shall  settle  or  compromise  any  Action  for which it is  entitled  to
indemnification  under this  Stockholders  Agreement  without the prior  written
consent  of the  Indemnifying  Party  (which  consent  may  not be  unreasonably
withheld or delayed).  The other party shall  cooperate  with the party assuming
the defense,  compromise or  settlement  of any Action in  accordance  with this
Stockholders  Agreement in any manner that such party reasonably may request and
the party  assuming the defense,  compromise  or  settlement of any Action shall
keep the other party fully informed in the defense of such Action.

            (d)  CONTRIBUTION.  If the  indemnification  provided  for  in  this
Section 4.7 is  unavailable or is  insufficient  to hold the  Indemnified  Party
harmless  under  Section  4.7(a) or 4.7(b)  hereof  with  respect  to any Losses
referred to therein for any reason  other than as  specified  therein,  then the
Indemnifying  Party  shall  contribute  to the  amount  paid or  payable by such
Indemnified  Party  as a  result  of  such  Losses  in  such  proportion  as  is
appropriate to reflect the relative fault of the  Indemnifying  Party on the one
hand and the Indemnified  Party on the other hand with respect to the statements
or  omissions  which  resulted  in such  Losses  as well as any  other  relevant
equitable  considerations.  The relative  fault of such  Indemnifying  Party and
Indemnified  Party shall be determined by reference to, among other things,  the
untrue or alleged untrue  statement or omission or alleged  omission  relates to
information  supplied (or omitted to be supplied) by the  Indemnifying  Party on
the one  hand or the  Indemnified  Party on the  other  hand,  and the  parties'
relative intent, knowledge,  access to information and opportunity to correct or
prevent such statement or omission. The amount paid or payable by an Indemnified
Party as a result of the Losses  referred to above in this Section  4.7(d) shall
be  deemed  to  include  any legal or other  out-of-pocket  expenses  reasonably
incurred by such Indemnified Party in connection with investigating or defending
any such Loss, action or proceeding.

            The  parties  agree  that it  would  not be just  and  equitable  if
contribution  pursuant  to this  Section  4.7(d)  were  determined  by pro  rata
allocation,  by reference to a Participating  Stockholder Party's (and/or any of
its  Affiliate's)  stock  ownership  in the  Company,  or by any other method of
allocation which does not take account of the equitable  considerations referred
to in the immediately  preceding  paragraph.  Notwithstanding  the provisions of
this Section 4.7(d), a Participating  Stockholder Party shall not be required to
contribute any amount in excess of the amount by which the net proceeds received
by such Participating  Stockholder Party (and/or any of its Affiliates) from the
Registrable  Securities that were offered to the public exceed the amount of any
damages  which  such   Participating   Stockholder  Party  (and/or  any  of  its
Affiliates)  has  otherwise  been  required  to pay by  reason  of  such  untrue
statement or omission. No Person guilty of fraudulent  misrepresentation (within
the  meaning of  Section  11(f) of the  Securities  Act)  shall be  entitled  to

<PAGE>

contribution   from  any  Person   who  was  not   guilty  of  such   fraudulent
misrepresentation.

            If   indemnification  is  available  under  this  Section  4.7,  the
Indemnifying  Party shall  indemnify  the  Indemnified  Party to the full extent
provided in Section  4.7(a) or 4.7(b) hereof,  as applicable,  without regard to
the relative fault of the Indemnifying  Party or Indemnified  Party or any other
equitable consideration provided for in this Section 4.7(d).

            (e) OTHER  RIGHTS.  The  provisions  of this Section 4.7 shall be in
addition  to any  other  rights  to  indemnification  or  contribution  which an
Indemnified Party may have pursuant to law, equity, contract or otherwise.

            (f) PERIODIC PAYMENT. The indemnification and contribution  required
by this  Section  4.7 shall be made by  periodic  payment of the amount  thereof
during  the  course  of the  investigation  or  defense,  as and when  bills are
received or Loss or expense is incurred.

            Section 4.8.   LOCK-UP AGREEMENTS.

            (a)  STOCKHOLDER  PARTIES'  LOCK-UP.  If and  whenever  the  Company
proposes to register any shares of Common Stock or other  equity  securities  of
the Company,  or any securities  convertible into or exchangeable or exercisable
for shares of Common Stock or such other  securities,  under the  Securities Act
for  sale  for its own  account  (other  than  on  Form  S-4 or S-8 or any  like
successor  forms) or is required to effect the  registration  of any Registrable
Securities  under the Securities  Act pursuant to Section 4 hereof,  and, in the
case of an underwritten  offering,  if requested by the lead  underwriter,  each
Stockholder  Party  agrees,  and will cause its executive  officers,  directors,
partners and trustees to agree, not to offer, sell,  contract to sell, pledge or
otherwise  dispose of,  directly or indirectly,  or announce the offering of, or
register,  cause to be registered or announce the intended  registration of, any
Registrable  Securities,  including any sale pursuant to a brokerage transaction
under Rule 144 under the Securities  Act, within seven days prior to and 90 days
(or such shorter period as may be requested by the lead  underwriter in the case
of an  underwritten  offering)  after  the  effective  date of the  Registration
Statement  (or,  in the  case  of an  underwritten  offering,  the  date  of the
applicable underwriting agreement) relating to such registration,  except (i) if
applicable,  as part of such registration or (ii) in the case of an underwritten
offering, with the consent of the lead underwriter;  PROVIDED, HOWEVER, that (x)
each  Stockholder  Party,  or its executive  officers,  directors,  partners and
trustees, may offer and sell Registrable Securities during such period in one or
more  privately  negotiated  transactions,  provided  that the  buyer(s) of such
Registrable  Securities  agree to be bound by this Section  4.8(a),  on the same
terms as such Stockholder  Party,  until the expiration of such period; (y) this
Section 4.8(a) shall in no way limit or delay any Principal  Stockholder Party's
right to submit a Demand  Notice in accordance  with Section 4.1 hereof,  or the
Company's  obligations  with respect thereto prior to the filing with the SEC of
the Registration  Statement in respect of such Demand  Registration  (including,
without limitation, the preparation of such Registration Statement in accordance
with Section 4.4  hereof);  and (z) each  Stockholder  Party,  or its  executive
officers,  directors,  partners  and  trustees,  may offer and sell  Registrable
Securities during such period to the Company.


<PAGE>

            (b)  COMPANY  LOCK-UP.  The  Company  agrees,  and  will  cause  its
executive officers and directors to agree, not to offer, sell, contract to sell,
pledge or otherwise dispose of, directly or indirectly, or announce the offering
of, or register, cause to be registered or announce the intended registration of
any shares of Common Stock or other  equity  securities  of the Company,  or any
securities  convertible into or exchangeable or exercisable for shares of Common
Stock or such other securities,  within seven days prior to and 90 days (or such
shorter period as may be requested by the lead  underwriter  of an  underwritten
offering) after the effective date of any Registration Statement with respect to
its Registrable Securities,  except (i) as part of such registration or pursuant
to a registration on Form S-4 or Form S-8 (or any like successor  forms) or (ii)
with the consent of such lead underwriter.

            Section 4.9.   CERTAIN LIMITATIONS.

            (a) NO INCONSISTENT AGREEMENTS.  The Company represents and warrants
to the  Stockholder  Parties that the Company has not  entered,  and the Company
agrees that on and after the date hereof the Company  shall not enter,  into any
agreement  with respect to its securities  that would in any way  interfere,  or
which is  inconsistent,  with the rights granted to the  Stockholder  Parties in
this Stockholders  Agreement.  Without limiting the generality of the foregoing,
(i) the  Company  has not granted to any  Person(s)  other than the  Stockholder
Parties  the right to have  registered  under  the  Securities  Act  (including,
without limitation, in a "piggyback" registration) any shares of Common Stock or
other equity  securities of the Company,  or any securities  convertible into or
exchangeable or exercisable for shares of Common Stock or such other securities,
and (ii) on and  after  the date  hereof  the  Company  shall  not  grant to any
Person(s) other than the Stockholder  Parties any such  registration  rights, if
such registration  rights, in the reasonable  judgment of any Stockholder Party,
would  interfere  with, or have priority over, any of the rights granted to such
Stockholder Party in this Stockholders Agreement.

            (b) CHANGES IN COMMON STOCK.  The Company shall not effect or permit
to  occur   any   merger,   combination,   reclassification,   recapitalization,
reorganization,  restructuring  or  subdivision  of its Common Stock which would
materially  adversely  affect the ability of the Stockholder  Parties to include
Registrable  Securities in any  registration  contemplated by this  Stockholders
Agreement or the  marketability  of such  Registrable  Securities under any such
registration.

            Section  4.10.   RULE  144.  The  Company  shall  take  all  actions
reasonably  necessary  to enable the  Stockholder  Parties  to sell  Registrable
Securities without  registration under the Securities Act within the limitations
of the  exemptions  provided by (i) Rule 144 and Rule 144A under the  Securities
Act or (ii)  any  similar  rule or  regulation  hereafter  adopted  by the  SEC,
including,  without limiting the generality of the foregoing, filing on a timely
basis all reports  required to be filed by the Exchange Act. Upon request of any
Stockholder Party, the Company shall deliver to such Stockholder Party a written
statement as to whether it has complied with such requirements.


<PAGE>

            Section 4.11.  ASSIGNMENT OF REGISTRATION RIGHTS.

            (a)  GENERAL.  Each  Principal  Stockholder  Party  may  assign  its
registration rights under this Article IV, in whole or in part, to any Person to
which  such   Stockholder   Party  Transfers  any   Registrable   Securities  (a
"TRANSFEREE");  PROVIDED,  HOWEVER,  that  (i)  the  Registrable  Securities  so
Transferred  constitute  at least 5% of the  then-outstanding  shares  of Common
Stock, and (ii) such Transferee enters into a written assumption  agreement with
respect to all such obligations so assumed.

            (b) RETENTION OF RIGHTS BY STOCKHOLDER PARTY. If a Stockholder Party
beneficially owns any Registrable  Securities following any assignment hereunder
to a  Transferee  that is not an  Affiliate  of  such  Stockholder  Party,  such
assignment shall not limit or otherwise affect such Stockholder  Party's rights,
and the  Company's  obligations,  under  this  Article  IV with  respect to such
remaining  Registrable  Securities,  except to the extent rights  hereunder were
assigned to the Transferee.

            (c)  RIGHTS OF  TRANSFEREE.  Except as  otherwise  provided  in this
Section  4.11,  the  provisions  of this Article IV which are for the benefit of
each  Stockholder  Party  shall be for the  benefit  of and  enforceable  by any
Transferee(s) (and references in this Article IV to a Stockholder Party shall be
deemed also to refer to such Transferee(s) as appropriate). Without limiting the
generality of the foregoing,  if, at the time the Company is required to deliver
a notice to the Stockholder Parties pursuant to Section 4.1(a) or 4.2(a) hereof,
one or more Transferees that are not Affiliates of a Stockholder Party also have
rights with respect to such registration  pursuant to an assignment  effected in
accordance with Section 4.11(a) hereof, the Company shall deliver a copy of such
notice to each such Transferee,  and afford each such Transferee the opportunity
to  participate in such  registration,  on the basis set forth in Section 4.1(a)
hereof (subject to Sections 4.1(a)(iii) and 4.1(a)(iv) hereof) or Section 4.2(a)
hereof (subject to Sections 4.2(a)(ii) and 4.2(b) hereof), as the case may be.


                                    ARTICLE V

                       ADDITIONAL COVENANTS OF THE COMPANY

            Section 5.1. DIMINUTION OF RIGHTS. So long any Principal Stockholder
Party is the beneficial owner of 10% or more of the  then-outstanding  shares of
Common Stock,  the Company shall not, without the prior written approval of such
Principal Stockholder Party:

            (a) amend the By-Laws in any manner which  diminishes  the rights of
any  holder or holders  of Common  Stock,  including,  without  limitation,  any
amendment  that would (i) limit or regulate the right of holders of Common Stock
to nominate  directors or propose new business at a meeting of stockholders,  to
call special meetings of stockholders,  to act by written consent (including any
provision permitting the Board of Directors to fix a record date for any actions
by written  consent  initiated by a stockholder)  or to remove  directors,  (ii)
increase  the vote or  quorum  required  for any  stockholder  action,  or (iii)
restrict or  adversely  affect in any  material  way the  ability to buy,  sell,
transfer or hold shares of Common Stock; or


<PAGE>

            (b) adopt a  Shareholder  Rights Plan (or any plan or  agreement  of
similar effect).

            Section 5.2.  CHANGE OF CONTROL  PROVISIONS.  So long any  Principal
Stockholder Party is the beneficial owner of 10% or more of the then-outstanding
shares of Common  Stock,  without the prior written  approval of such  Principal
Stockholder  Party,  neither the Company nor any subsidiary of the Company shall
enter into or otherwise  permit itself or any of its  properties to become bound
by or  subject  to  any  material  agreement,  instrument  or  other  commitment
(including,  but  not  limited  to  joint  venture  or  partnership  agreements,
contracts with customers, suppliers or labor unions, loan, indemnity or guaranty
agreements,  indentures,  notes,  leases or  licenses,  mortgages  and  security
agreements)  (i)  containing a Change of Control  Provision  (as defined  below)
other than (x) an employment or employee  severance  agreement or plan or (y) an
indenture, loan guaranty, lease or note agreement or other agreement relating to
the incurrence or assumption of indebtedness (a "DEBT  AGREEMENT") that contains
a Change of Control  Provision that is consistent in all material  respects with
the form of Change of Control  Provision that then  prevailing  market  practice
would  require be included in a Debt  Agreement for a  substantially  comparable
borrower covering  indebtedness  substantially similar to that being incurred by
the  Company  pursuant  to such Debt  Agreement  or (ii)  granting  to any party
thereto or holder thereof any right to vote for the election of directors of the
Company. The Company agrees that all material  agreements,  instruments or other
commitments  that would  contain a Change of Control  Provision  (whether or not
approved  by or  requiring  the  approval of any  Stockholder  Party and without
regard to the exception in the definition of Change of Control  Provision) shall
be submitted to the Board of Directors for approval and shall have been approved
by the Board of Directors prior to the Company entering into any such agreement.
As used herein,  a "CHANGE OF CONTROL  PROVISION" shall mean any provision which
would give rise to any  actual or  potential  (A) event of default  under a Debt
Agreement or (B) restriction on, requirement of (including,  without limitation,
any requirement relating to any put right of securityholders),  or other adverse
effect on the Company or any of its  subsidiaries as the result of the happening
of a "change of control" of the Company however defined,  but including  without
limitation any provision  relating to (i) beneficial  ownership by any Person of
more or less than a specified  percentage of  outstanding  Common Stock,  (ii) a
change  in the Board of  Directors  not  approved  by the  previously  incumbent
directors  or (iii) a merger,  sale of all or  substantially  all the  Company's
assets  or other  business  combinations  involving  the  Company  or any of its
subsidiaries,  except that, in the case of any Stockholder  Party referred to in
the first sentence of this Section 5.2, "Change of Control  Provision" shall not
include a provision as to which such  Stockholder  Party notifies the Company in
writing  before the  Company  enters  into any  agreement,  instrument  or other
commitment  containing such provision  that, in the reasonable  judgment of such
Stockholder  Party,  such provision would not have a material  adverse effect on
such  Stockholder  Party's  ability  to sell the  shares  of Common  Stock  then
beneficially owned by such Stockholder Party.

            Section  5.3.  NO  CONFLICT.  The  Company  shall  use  commercially
reasonable  best efforts to ensure that the  Certificate  of  Incorporation  and
By-Laws do not and will not at any time  conflict  with the  provisions  of this
Stockholders  Agreement as then in effect. In the event any such conflict should
nevertheless exist, the provisions of this Stockholders  Agreement shall control
to the extent permitted by applicable law.


<PAGE>

            Section 5.4. ACCESS TO  INFORMATION.  The Company shall from time to
time furnish to each Stockholder Party information known or reasonably available
to the Company  which is  requested  by such  Stockholder  Party for purposes of
exercising its rights under this Stockholders Agreement.

            Section 5.5. STOCKHOLDER PARTY'S DISCRETION.  The Company agrees and
acknowledges  that any  consent of any  Stockholder  Party  contemplated  by any
provision  of  this  Stockholders  Agreement  (including,   without  limitation,
Sections 5.1 and 5.2 hereof) would be sought solely in such Stockholder  Party's
capacity as a stockholder of the Company and that such Stockholder Party has the
right to give or withhold  such  consent for any reason in its sole  discretion,
including,  without limitation,  its desire to retain the level of its ownership
percentage of the then-outstanding shares of Common Stock and/or to preserve the
marketability of the shares of Common Stock beneficially owned by it.


                                   ARTICLE VI

                ADDITIONAL COVENANTS OF THE PIROD STOCKHOLDERS

            Section  6.1.  ACTION BY BAIN  STOCKHOLDERS.  The Bain  Stockholders
agree and acknowledge that the Bain Stockholder Representative has the exclusive
authority  to  act on  behalf  of the  Bain  Stockholders,  and  that  the  Bain
Stockholders shall act through the Bain Stockholder Representative, for purposes
of exercising the rights of the Bain  Stockholders as a Stockholder  Party under
this Stockholders  Agreement,  including without  limitation,  the giving of any
notice  pursuant to Article IV hereof and the giving of any consent  pursuant to
Section 5.1 or 5.2 hereof.  The other  parties  hereto shall be entitled to rely
upon any such action by the Bain  Stockholder  Representative  as the act of the
Bain Stockholders.

            Section 6.2. ADDITIONAL PIROD  STOCKHOLDERS.  Prior to the Effective
Time,  no PIROD  Stockholder  may  Transfer  any or all of the shares of capital
stock of PIROD beneficially  owned by such PIROD Stockholder,  or any options or
warrants  with  respect to the capital  stock of PIROD (the  "TRANSFERRED  PIROD
SHARES")  to any  other  Person  (the  "PIROD  TRANSFEREE")  unless  such  PIROD
Stockholder shall cause the PIROD  Transferee,  concurrently with such Transfer,
to become a party to this  Stockholders  Agreement  by  executing a  counterpart
hereof and shall  promptly  deliver  the same to the  Company  and to the Trust.
Exhibit A or B hereto,  as  applicable,  will  thereupon  be deemed  amended  to
include the name of the PIROD Transferee as a Bain Stockholder or an Other PIROD
Stockholder, as the case may be.

            Section 6.3 RESTRICTIONS ON TRANSFER IN FIRST YEAR.  Notwithstanding
any other  provision  contained  herein,  prior to the first  anniversary of the
Effective  Time,  neither  the  Trust,  any Bain  Stockholder,  any Other  PIROD
Stockholder  nor any Permitted  Successor (as defined  below) shall Transfer any
shares  of  Common  Stock  unless  the  Trust  and the  Bain  Stockholders  have
previously consented in writing to such Transfer;  PROVIDED,  HOWEVER, that this
Section 6.3 shall not apply to (i) a Transfer of Common Stock by any Stockholder
Party to an Affiliate of such Stockholder Party, (ii) a Transfer of Common Stock
by any Bain  Stockholder  to its  limited  partners,  (iii) a Transfer of Common
Stock by PH, Inc. to its  stockholders  or (iv) a Transfer of Common  Stock by a

<PAGE>

PIROD  Stockholder  to a member of his Family Group (the  transferees  of shares
referred to in clauses (i) - (iv) being deemed to be "PERMITTED SUCCESSORS"), if
prior to such Transfer each transferee of such shares of Common Stock has agreed
in writing  to be bound by the  provisions  of this  Agreement,  including  this
Section 6.3 (in which case Exhibit A or B hereto, as applicable, shall be deemed
amended to include each such transferee as a Bain  Stockholder or an Other PIROD
Stockholder, as the case may be).


                                   ARTICLE VII

                                  MISCELLANEOUS

            Section 7.1. EFFECTIVENESS.  Except for Article II (but only insofar
as it  relates to actions  of the  parties  to be taken  prior to the  Effective
Time),  Section 4.9,  Article VI and this Article VII,  which shall be effective
from and after the date hereof,  this Stockholders  Agreement shall be effective
from and after the Effective Time. In the event that prior to the Effective Time
the Merger  Agreement  terminates in  accordance  with the terms  thereof,  this
Stockholders  Agreement  shall  also  terminate  and be of no  further  force or
effect.

            Section  7.2.  NOTICES. All  notices, requests,  consents,  demands,
waivers, instructions and other communications hereunder shall be in writing and
shall be deemed to have been duly given if delivered  personally or by overnight
mail, or sent by telecopier, as follows;

            (a)  if to the Trust:

            John H. Laeri, Jr.
            Meadowcroft Associates
            9 Burr Road
            Westport, CT  06880
            Telephone:  (203) 222-8412
            Facsimile:  (203) 222-8421

            with a copy to:

            Ed Kaufmann, Esq.
            Hughes Hubbard & Reed LLP
            One Battery Park Plaza
            New York, New York 10004
            Telephone:  (212) 837-6656
            Facsimile:  (212) 422-4726


<PAGE>

            (b) if to the Bain Stockholders:

            Paul Spinale
            Bain Capital, Inc.
            Two Copley Place
            Boston, MA  02116
            Telephone:  (617) 572-3000
            Facsimile:  (617) 572-3274

            with a copy to:

            James L. Learner, Esq.
            Kirkland & Ellis
            200 East Randolph Drive
            Chicago, Illinois 60601
            Telephone:  (312) 861-2129
            Facsimile:  (312) 861-2000

            (c) if to any Other PIROD Stockholder:

            as set forth on Exhibit B hereto


            (d)  if to the Company:

            ROHN Industries, Inc.
            6718 West Plank Road
            Peoria, Illinois 61604
            Attention: General Counsel
            Telephone:  (309) 633-5608
            Facsimile:  (309) 633-2693

            with a copy to:

            Victor E. Grimm, Esq.
            Bell, Boyd & Lloyd
            Three First National Plaza
            70 West Madison Street
            Chicago, Illinois 60602
            Telephone:  (312) 807-4242
            Facsimile:  (312) 372-2098

or to such other Person or address as any party may specify by notice in writing
to the other parties.  All notices and other  communications given to a party in
accordance with the provisions of this Stockholders Agreement shall be deemed to
have been given on the date of actual  receipt.  Notwithstanding  the  preceding

<PAGE>

sentence,  notice of change  of  address  shall be  effective  only upon  actual
receipt thereof.

            Section  7.3.   AMENDMENTS.   Any  provision  of  this  Stockholders
Agreement  may be  amended  or  modified  in  whole or in part at any time by an
agreement in writing between the Company and the Stockholder  Parties,  executed
in the same manner as this Stockholders Agreement. No consent, waiver or similar
act shall be effective unless in writing.

            Section 7.4.    ASSIGNMENT; TRANSFERS TO AFFILIATES.

            (a) ASSIGNMENT.  This  Stockholders  Agreement shall be binding upon
and inure to the benefit of and be  enforceable  by the parties hereto and their
respective successors and permitted assigns.  Except as provided herein, none of
the parties hereto may assign this  Stockholders  Agreement or any of its rights
or obligations hereunder.

            (b) ARTICLES II AND V. The rights of any Principal Stockholder Party
specified in Articles II and V hereof may be assigned,  in whole or in part,  to
any Person to which such  Principal  Stockholder  Party  Transfers any shares of
Common Stock (the "TRANSFERRED  COMPANY SHARES"),  but if and only if (i) in the
event that such Person is an Affiliate of such Principal  Stockholder Party, the
requirements set forth in Section 7.4(c) are complied with and (ii) in the event
that such Person is not an Affiliate of such Principal  Stockholder  Party,  (x)
the Transferred  Company Shares  constitute at least 5% of the  then-outstanding
shares of Common Stock and (y) the other Principal Stockholder Party consents in
writing to such  assignment  (which consent may be given or withheld in its sole
discretion).  If such consent is given,  then concurrently with such assignment,
the  Company,  the  Stockholder  Parties  and the Person to which such shares of
Common Stock are  Transferred  shall  execute an amendment to this  Stockholders
Agreement with respect to such assignment.

            (c)  TRANSFERS  TO  AFFILIATES.  No  party  hereto  (other  than the
Company)  may  Transfer  any shares of Common  Stock  (any/or any rights of such
party  hereunder)  to any of its  Affiliates  unless such party shall cause such
Affiliate,   concurrently  with  such  Transfer,  to  become  a  party  to  this
Stockholders  Agreement by  executing a  counterpart  hereof and shall  promptly
deliver the same to the Company and to the other Stockholder Parties.  Exhibit A
or B hereto, as applicable, will thereupon be deemed amended to include the name
of such Affiliate as a Bain  Stockholder or an Other PIROD  Stockholder,  as the
case may be.

            Section 7.5.  GOVERNING LAW. This  Stockholders  Agreement  shall be
construed in  accordance  with and governed by the internal laws of the State of
Delaware,  without giving effect to principles of conflicts of laws of the State
of Delaware or any other  jurisdiction  that, in either case, would call for the
application of the substantive laws of any jurisdiction other than Delaware.

            Section 7.6.      COUNTERPARTS.  This Stockholders Agreement may
be signed in any number of counterparts, each of which shall be an original,
with the same effect as if the signatures thereto and hereto were upon the
same instrument.


<PAGE>

            Section 7.7. SPECIFIC PERFORMANCE.  The Company and each Stockholder
Party acknowledges and agrees that the parties' respective remedies at law for a
breach  or  threatened  breach  of any of the  provisions  of this  Stockholders
Agreement would be inadequate and, in recognition of that fact,  agrees that, in
the event of a breach or threatened breach by the Company or a Stockholder Party
of the provisions of this Stockholders Agreement, in addition to any remedies at
law, each of the Stockholder Parties and the Company,  without posting any bond,
shall be entitled to obtain equitable relief in the form of specific performance
by the other party, a temporary  restraining  order, a temporary or permanent in
injunction or any other equitable remedy which may then be available.

            Section  7.8.  SEVERABILITY.  If any term,  provision,  covenant  or
restriction  of this  Stockholders  Agreement  is held by a court  of  competent
jurisdiction to be invalid,  void or unenforceable,  the remainder of the terms,
provisions,  covenants and  restrictions  of this  Stockholders  Agreement shall
remain in full  force and effect and shall in no way be  affected,  impaired  or
invalidated,  PROVIDED that the parties hereto shall  negotiate in good faith to
attempt to place the parties in the same position as they would have been in had
such provision not been held to be invalid, void or unenforceable.

            Section 7.9. ENTIRE AGREEMENT.  This Stockholders Agreement contains
the entire  agreement  between the  Stockholder  Parties  and the  Company  with
respect  to the  transactions  contemplated  hereby,  and  supersede  all  prior
agreements among the parties with respect to these matters.

<PAGE>



            IN WITNESS  WHEREOF,  the  parties  have  caused  this  Stockholders
Agreement to be executed as of the date first referred to above.



                              ROHN INDUSTRIES, INC.



                              By:      /S/ BRIAN B. PEMBERTON
                                  ------------------------------------
                                  Name:   Brian B. Pemberton
                                  Title:  President



                              UNR ASBESTOS-DISEASE CLAIMS TRUST



                              By:      /S/ JOHN H. LAERI, JR.
                                  ------------------------------------
                                  Name:   John H. Laeri, Jr.
                                  Title:  Trustee



                              BAIN CAPITAL FUND V, L.P.

                              By:  BAIN CAPITAL PARTNERS V, L.P.,
                              its general partner

                              By:  BAIN CAPITAL INVESTORS V, L.P.,
                              its general partner



                              By:      /S/ DAVID DOMINIK
                                  ------------------------------------
                                  Name:   David Dominik
                                  Title:  Managing Director




<PAGE>

                              BAIN CAPITAL FUND V-B, L.P.

                              By:  BAIN CAPITAL PARTNERS V, L.P.,
                              its general partner

                              By:  BAIN CAPITAL INVESTORS V, L.P.,
                              its general partner



                              By:      /S/ DAVID DOMINIK
                                  ------------------------------------
                                  Name:   David Dominik
                                  Title:  Managing Director



                              BCIP TRUST ASSOCIATES, L.P.



                              By:      /S/ DAVID DOMINIK
                                  ------------------------------------
                                  Name:   David Dominik
                                  Title:  a general partner



                              BAIN CAPITAL V MEZZANINE FUND, L.P.

                              By:  BAIN CAPITAL V MEZZANINE PARTNERS, L.P.,
                               its general partner

                              By:  BAIN CAPITAL INVESTORS V, INC.,
                               its general partner



                              By:      /S/ DAVID DOMINIK
                                  ------------------------------------
                                  Name:   David Dominik
                                  Title:  Managing Director




<PAGE>

                              BCM CAPITAL PARTNERS, L.P.

                              By:  BAIN CAPITAL V MEZZANINE PARTNERS, L.P.,
                              its general partner

                              By:  BAIN CAPITAL INVESTORS V, INC.,
                              its general partner



                              By:      /S/ DAVID DOMINIK
                                  ------------------------------------
                                  Name:   David Dominik
                                  Title:  Managing Director



                              PH, INC.



                              By:      /S/ MYRON C. NOBLE
                                  ------------------------------------
                                  Name:   Myron C. Noble
                                  Title:  Chairman



                              BCIP ASSOCIATES



                              By:      /S/ DAVID DOMINIK
                                  ------------------------------------
                                  Name:   David Dominik
                                  Title:  a general partner



<PAGE>


                                                                       EXHIBIT A
                                BAIN STOCKHOLDERS
                                -----------------

Bain Capital Fund V, L.P.

Bain Capital Fund V-B, L.P.

BCIP Trust Associates, L.P.

Bain Capital V Mezzanine Fund, L.P.

BCM Capital Partners, L.P.

BCIP Associates




<PAGE>


                                                                       EXHIBIT B

                            OTHER PIROD STOCKHOLDERS
                            ------------------------


                  NAME                             NOTICE INFORMATION
                  ----                             ------------------

                PH, Inc.                           PH, Inc.
                                                   1545 Pidco Drive
                                                   Plymouth, Indiana  46563







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