PACKAGING RESOURCES INC
424B3, 1996-08-23
PLASTICS PRODUCTS, NEC
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<PAGE>
   
                                                Filed Pursuant to Rule 424(b)(3)
                                                   Commission File No. 333-05885
    
   
PROSPECTUS
    
 
                                     [LOGO]
              OFFER TO EXCHANGE $1,000 IN PRINCIPAL AMOUNT OF ITS
                     11 5/8% SENIOR SECURED NOTES DUE 2003
            WHICH HAVE BEEN REGISTERED UNDER THE SECURITIES ACT FOR
               EACH $1,000 IN PRINCIPAL AMOUNT OF ITS OUTSTANDING
                     11 5/8% SENIOR SECURED NOTES DUE 2003
 
   
        THE EXCHANGE OFFER WILL EXPIRE AT 5:00 P.M., NEW YORK CITY TIME,
                    ON SEPTEMBER 20, 1996, UNLESS EXTENDED.
    
                            ------------------------
 
    Packing  Resources  Incorporated,  a  Delaware  Corporation  ("PRI"  or  the
"Company"), hereby offers to exchange (the "Exchange Offer") up to  $110,000,000
in  aggregate principal amount of its new  11 5/8% Senior Secured Notes due 2003
(the "Exchange Notes") for up to  $110,000,000 in aggregate principal amount  of
its  outstanding 11  5/8% Senior  Secured Notes due  2003 (the  "Old Notes" and,
together with the Exchange Notes,  the "Notes") that were  issued and sold in  a
transaction  exempt  from  registration under  the  Securities Act  of  1933, as
amended (the "Securities Act").
 
   
    The terms  of  the Exchange  Notes  are substantially  identical  (including
principal amount, interest rate, maturity, security and ranking) to the terms of
the  Old Notes for which  they may be exchanged  pursuant to the Exchange Offer,
except that the Exchange  Notes (i) are freely  transferable by holders  thereof
(except  as provided  below) and (ii)  are not entitled  to certain registration
rights and certain additional  interest provisions which  are applicable to  the
Old  Notes under  the Registration Rights  Agreement (as  defined). The Exchange
Notes will be  issued under  the indenture governing  the Old  Notes. See  "Risk
Factors  --  Ability to  Realize  on Collateral;  No  Assurance as  to  Value of
Assets." The  Exchange Notes  will be,  and the  Old Notes  are, senior  secured
obligations   of  PRI,  secured  by  certain  equipment,  fixtures  and  general
intangibles, and mortgages on substantially all of the owned and certain of  the
leased  real property of  the Company, and proceeds  therefrom, and the Exchange
Notes will rank, and the Old Notes rank, senior to all subordinated indebtedness
of PRI and PARI PASSU in right of payment with all other senior indebtedness  of
PRI.  However,  lenders under  PRI's Senior  Credit  Facility (as  defined) have
claims with  respect to  the Company's  accounts receivable,  raw materials  and
finished  goods inventory and the proceeds therefrom constituting collateral for
such indebtedness that are effectively senior in right of payment to the  claims
of holders of the Notes with respect to such assets. The Notes are not currently
senior  to any outstanding indebtedness of the  Company. At August 14, 1996, PRI
had outstanding approximately  $111.3 million in  aggregate principal amount  of
indebtedness  (excluding trade payables  and other accrued  liabilities), all of
which constitutes senior indebtedness and none of which constitutes indebtedness
under the  Senior Credit  Facility. In  addition, PRI  had, subject  to  certain
borrowing  conditions and  limitations, $20.0  million in  unused senior secured
borrowing capacity under the Senior Credit Facility. The Indenture (as  defined)
under  which the Exchange Notes will be,  and the Old Notes were, issued permits
PRI to incur  additional indebtedness,  including indebtedness  that ranks  PARI
PASSU  with the Notes. The  ability of the Company  to incur any such additional
indebtedness is limited only by the  covenants under the Senior Credit  Facility
and  the Indenture.  The Indenture  provides that  lenders under  an Acquisition
Financing Facility (as defined)  will have the  right to share  on a PARI  PASSU
basis  in any  proceeds from  the sale of  Collateral (as  defined) securing the
Notes. For a complete description of the terms of the Exchange Notes,  including
provisions relating to the ability of the Company to create indebtedness that is
senior or PARI PASSU to the Exchange Notes, see "Description of Exchange Notes."
There will be no cash proceeds to the Company from the Exchange Offer.
    
 
    The  Exchange Notes  will bear  interest from May  17, 1996.  Holders of Old
Notes whose Old Notes are  accepted for exchange will  be deemed to have  waived
the right to receive any payment in respect of interest on the Old Notes accrued
from May 17, 1996 to the date of the issuance of the Exchange Notes. Interest on
the Exchange Notes is payable semiannually in arrears on May 1 and November 1 of
each  year, commencing November 1, 1996, accruing from May 17, 1996 at a rate of
11 5/8% per annum.
 
                           --------------------------
 
   
    HOLDERS OF OLD  NOTES SHOULD  CAREFULLY CONSIDER  THE MATTERS  SET FORTH  IN
"RISK  FACTORS"  COMMENCING ON  PAGE 12  OF  THIS PROSPECTUS  PRIOR TO  MAKING A
DECISION WITH RESPECT TO THE EXCHANGE OFFER.
    
                            ------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
    EXCHANGE COMMISSION OR  ANY STATE SECURITIES  COMMISSION NOR HAS  THE
       SECURITIES  AND EXCHANGE  COMMISSION OR  ANY STATE SECURITIES
            COMMISSION PASSED UPON THE  ACCURACY OR ADEQUACY  OF
                THIS  PROSPECTUS. ANY REPRESENTATION TO THE
                           CONTRARY IS A CRIMINAL OFFENSE.
                            ------------------------
 
   
                THE DATE OF THIS PROSPECTUS IS AUGUST 22, 1996.
    
<PAGE>
                                                        (CONTINUED ON NEXT PAGE)
<PAGE>
(COVER PAGE CONTINUED)
 
    The Notes are redeemable at the option of the Company, in whole or in  part,
at  any time on or after May 1, 2000, at the redemption prices set forth herein,
plus accrued and unpaid interest to the date of redemption. In addition, at  any
time  on or prior to May  1, 1999, the Company, at  its option, may redeem up to
30% of the aggregate  principal amount of the  Notes originally issued with  the
net  cash  proceeds of  one  or more  Public  Equity Offerings  (as  defined) at
111 5/8% of their principal amount,  together with accrued and unpaid  interest,
if  any,  to  the redemption  date;  provided  that at  least  $70.0  million in
principal  amount  of  Notes  remain  outstanding  immediately  after  any  such
redemption.  Upon a Change  of Control (as  defined), each holder  of Notes will
have the right to  require PRI to  repurchase all or any  part of such  holder's
Notes  at  a purchase  price equal  to  101% of  the aggregate  principal amount
thereof  plus  accrued  and  unpaid  interest  to  the  date  of  purchase.  See
"Description  of Exchange Notes -- Repurchase at the Option of Holders -- Change
of Control."
 
    The Old  Notes  were  originally issued  and  sold  on May  17,  1996  in  a
transaction  not  registered  under the  Securities  Act, in  reliance  upon the
exemption provided  in  Section  4(2)  of  the  Securities  Act  and  Rule  144A
promulgated  under the Securities  Act (the "Old  Notes Offering"). Accordingly,
the Old Notes may not be reoffered, resold or otherwise pledged, hypothecated or
transferred in the United  States unless so registered  or unless an  applicable
exemption from the registration requirements of the Securities Act is available.
Based  upon its view of  interpretations provided to third  parties by the Staff
(the "Staff") of the Securities and Exchange Commission (the "Commission"),  the
Company  believes that the Exchange Notes  issued pursuant to the Exchange Offer
in exchange for the Old  Notes may be offered  for resale, resold and  otherwise
transferred  by  holders  thereof  (other  than  any  holder  which  is  (i)  an
"affiliate" of the Company within the  meaning of Rule 405 under the  Securities
Act  (an "Affiliate"), (ii) a broker-dealer who acquired Old Notes directly from
the Company or  (iii) a  broker-dealer who  acquired Old  Notes as  a result  of
market   making  or  other  trading  activities)  without  compliance  with  the
registration and prospectus delivery provisions  of the Securities Act  provided
that  such Exchange Notes are  acquired in the ordinary  course of such holders'
business and such holders are  not engaged in, and do  not intend to engage  in,
and  have no arrangement or  understanding with any person  to participate in, a
distribution of such Exchange Notes.  Each broker-dealer that receives  Exchange
Notes  for its own account pursuant to  the Exchange Offer must acknowledge that
it will deliver  a prospectus  in connection with  any resale  of such  Exchange
Notes. The Letter of Transmittal that is filed as an exhibit to the Registration
Statement  of  which this  Prospectus is  a part  (the "Letter  of Transmittal")
states that by so acknowledging and by delivering a prospectus, a  broker-dealer
will  not be deemed to  admit that it is an  "underwriter" within the meaning of
the Securities Act. Broker-dealers who acquired Old Notes as a result of  market
making  or other trading activities may  use this Prospectus, as supplemented or
amended, in  connection with  resales of  the Exchange  Notes. The  Company  has
agreed  that, for  a period  of 180  days after  this Registration  Statement is
declared effective by the Commission, it will make this Prospectus available  to
any  broker-dealer for use  in connection with  any such resale.  Any holder who
tenders in the Exchange Offer for the purpose of participating in a distribution
of the  Exchange  Notes  and  any  other  holder  that  cannot  rely  upon  such
interpretations  must  comply  with  the  registration  and  prospectus delivery
requirements of  the  Securities  Act  in connection  with  a  secondary  resale
transaction.
 
    Old  Notes initially purchased by qualified institutional buyers who did not
elect to take physical delivery of their certificates were initially represented
by a single, global Note in registered form, registered in the name of a nominee
of The Depository  Trust Company  ("DTC"), as depositary.  Notes (i)  originally
purchased  by  or  transferred  to certain  "foreign  purchasers"  or accredited
investors (as defined  in Rule  501(a)(1)(2)(3) or  (7) of  the Securities  Act,
"Accredited  Investors")  or (ii)  held  by qualified  institutional  buyers who
elected to take physical delivery of their certficates instead of holding  their
interest  through the global  Note were issued in  registered form. The Exchange
Notes exchanged for Old Notes represented by the global Note will be represented
by one or more global Exchange Notes in registered form, registered in the  name
of  the  nominee  of DTC.  See  "Description  of Exchange  Notes  -- Book-entry;
Delivery and Form." Exchange Notes issued to non-qualified institutional  buyers
in  exchange  for  Old Notes  held  by such  investors  will be  issued  only in
certificated, fully  registered, definitive  form. Except  as described  herein,
Exchange  Notes in definitive  certificated form will not  be issued in exchange
for the global Exchange Note(s) or interests therein.
 
    The Old Notes  and the Exchange  Notes constitute new  issues of  securities
with  no  established public  trading  market. Any  Old  Notes not  tendered and
accepted in the Exchange Offer will  remain outstanding. To the extent that  Old
Notes  are tendered and  accepted in the  Exchange Offer, a  holder's ability to
sell untendered, Old Notes could  be adversely affected. Following  consummation
of  the Exchange Offer, the holders of  any remaining Old Notes will continue to
be subject to the existing restrictions on transfer thereof and the Company will
have no further obligation to such holders to provide for the registration under
the Securities Act of the Old Notes except under certain limited  circumstances.
See  "Old  Notes Registration  Rights."  No assurance  can  be given  as  to the
liquidity of the trading market for either the Old Notes or the Exchange  Notes.
The  Old Notes are not  listed on any securities  exchange, and the Company does
not intend  to  apply  for listing  of  the  Exchange Notes  on  any  securities
exchange.
 
   
    The  Exchange Offer is not conditioned  upon any minimum aggregate principal
amount of Old Notes being tendered or accepted for exchange. The Exchange  Offer
will  expire at  5:00 p.m., New  York City  time, on September  20, 1996, unless
extended (the "Expiration Date"). The date of acceptance for exchange of the Old
Notes (the  "Exchange  Date") will  be  the  first business  day  following  the
Expiration Date, upon surrender of the Old Notes. Old Notes tendered pursuant to
the  Exchange Offer may be  withdrawn at any time  prior to the Expiration Date;
otherwise such tenders are irrevocable.
    
<PAGE>
                             AVAILABLE INFORMATION
 
    The Company has filed with the  Commission a Registration Statement on  Form
S-1  (together with all amendments, exhibits, schedules and supplements thereto,
the "Registration  Statement") under  the  Securities Act  with respect  to  the
Exchange  Notes being offered hereby. This Prospectus, which forms a part of the
Registration Statement, does not contain all of the information set forth in the
Registration Statement, certain items of which  are omitted as permitted by  the
rules and regulations of the Commission. For further information with respect to
the Company and the Exchange Notes, reference is hereby made to the Registration
Statement.  Statements contained  in this Prospectus  as to the  contents of any
contract or other document are not necessarily complete and, where such contract
or other  document  is an  exhibit  to  the Registration  Statement,  each  such
statement  is qualified in  all respects by  the provisions in  such exhibit, to
which reference is hereby made.
 
    The Company is not  currently subject to  the informational requirements  of
the   Exchange  Act  of  1934,  as   amended  (the  "Exchange  Act").  Upon  the
effectiveness  of  the  Registration  Statement   or,  if  earlier,  the   Shelf
Registration  Statement (as  defined), the  Company will  become subject  to the
informational requirements of  the Exchange  Act and,  in accordance  therewith,
will  file all  reports and  other information  required by  the Commission. The
Registration Statement as well as  periodic reports, proxy statements and  other
information  filed by the  Company with the  Commission may be  inspected at the
public reference facilities maintained by the Commission at Room 1024, 450 Fifth
Street, N.W., Washington,  D.C. 20549,  or at  its regional  offices located  at
Citicorp  Center, 500 West Madison Street,  Suite 1400, Chicago, Illinois, 60661
and Seven World Trade Center, Suite 1300, New York, New York 10048. In addition,
registration statements and  certain other documents  filed with the  Commission
through  its Electronic Data Gathering,  Analysis and Retrieval ("EDGAR") system
are publicly available  through the  Commission's site on  the Internet's  World
Wide  Web, located at HTTP://WWW.SEC.GOV.  The Registration Statement, including
all exhibits thereto and amendments thereof, has been filed with the  Commission
through  EDGAR. Copies  of the  Registration Statement,  periodic reports, proxy
statements and other  information also  can be  obtained from  the Company  upon
request.  Any such request should be addressed to the Company's principal office
at One Conway  Park, 100  Field Drive, Suite  300, Lake  Forest, Illinois  60045
Attention: Secretary (telephone number (847) 295-6100).
 
    The  Company's  obligation  to  file periodic  reports  with  the Commission
pursuant to the Exchange Act may be suspended if the Notes are held of record by
fewer than 300 holders at the beginning of any fiscal year of the Company, other
than  the  fiscal  year  in  which  the  Registration  Statement  or  the  Shelf
Registration  Statement  becomes  effective. However,  the  Company  has agreed,
pursuant to the  indenture governing the  Notes dated  as of May  17, 1996  (the
"Indenture")  between PRI and LaSalle National Bank, as trustee (the "Trustee"),
that, whether or not it is then subject  to Section 13 or 15(d) of the  Exchange
Act, it will furnish to the holders of the Notes and the Trustee (and, if filing
such  documents with the Commission is prohibited, to prospective holders of the
Notes upon request) copies  of the annual reports,  quarterly reports and  other
periodic  reports which the  Company would have  been required to  file with the
Commission pursuant to Section 13  or 15(d) of the  Exchange Act if the  Company
were  subject to such Sections. In addition,  the Company will furnish, upon the
request of any holder of a Note,  such information as is specified in  paragraph
(d)(4)  of Rule 144A, to such holder or  to a prospective purchaser of such Note
which such holder reasonably believes is a qualified institutional buyer  within
the meaning of Rule 144A, in order to permit compliance by such holder with Rule
144A  in connection with the  resale of such Note by  such holder unless, at the
time of such request,  the Company is subject  to the reporting requirements  of
Section 13 or 15(d) of the Exchange Act.
 
    NO  PERSON HAS BEEN AUTHORIZED IN CONNECTION WITH THE EXCHANGE OFFER MADE BY
THIS PROSPECTUS  TO GIVE  ANY INFORMATION  OR TO  MAKE ANY  REPRESENTATIONS  NOT
CONTAINED  IN  THIS  PROSPECTUS  AND,  IF GIVEN  OR  MADE,  SUCH  INFORMATION OR
REPRESENTATIONS MUST  NOT  BE RELIED  UPON  AS  HAVING BEEN  AUTHORIZED  BY  THE
COMPANY. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION
OF  AN OFFER  TO BUY, THE  EXCHANGE NOTES IN  ANY JURISDICTION WHERE,  OR TO ANY
PERSON TO WHOM, IT IS UNLAWFUL TO  MAKE SUCH OFFER OR SOLICITATION. NEITHER  THE
DELIVERY  OF  THIS  PROSPECTUS NOR  ANY  SALE  MADE HEREUNDER  SHALL,  UNDER ANY
CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE HAS NOT BEEN ANY CHANGE IN  THE
FACTS  SET FORTH IN THIS  PROSPECTUS OR IN THE AFFAIRS  OF THE COMPANY SINCE THE
DATE HEREOF.
 
   
    UNTIL NOVEMBER 20,  1996 (90 DAYS  AFTER THE DATE  OF THIS PROSPECTUS),  ALL
DEALERS  EFFECTING  TRANSACTIONS IN  THE REGISTERED  SECURITIES, WHETHER  OR NOT
PARTICIPATING IN THIS  DISTRIBUTION, MAY  BE REQUIRED TO  DELIVER A  PROSPECTUS.
THIS  IS IN ADDITION TO  THE OBLIGATION OF DEALERS  TO DELIVER A PROSPECTUS WHEN
ACTING  AS  UNDERWRITERS  AND  WITH  RESPECT  TO  THEIR  UNSOLD  ALLOTMENTS   OR
SUBSCRIPTIONS.
    
 
                                       i
<PAGE>
                               PROSPECTUS SUMMARY
 
    THE  FOLLOWING SUMMARY  IS QUALIFIED  IN ITS  ENTIRETY BY  THE MORE DETAILED
INFORMATION AND FINANCIAL STATEMENTS APPEARING ELSEWHERE IN THIS PROSPECTUS.  AS
USED  IN THIS PROSPECTUS,  UNLESS THE CONTEXT OTHERWISE  REQUIRES, EACH OF "PRI"
AND  THE  "COMPANY"   REFERS  TO  PACKAGING   RESOURCES  INCORPORATED  AND   ITS
PREDECESSORS. THE COMPANY'S FISCAL YEAR ENDS ON THE LAST DAY OF FEBRUARY IN EACH
YEAR. ALL REFERENCES IN THIS PROSPECTUS TO FISCAL YEARS REFER TO THE FISCAL YEAR
OF THE COMPANY ENDED IN THE YEAR INDICATED. FOR EXAMPLE, "FISCAL 1996" REFERS TO
THE FISCAL YEAR OF THE COMPANY ENDED FEBRUARY 29, 1996.
 
                                  THE COMPANY
 
GENERAL
 
    The  Company  is a  leading developer,  manufacturer  and marketer  of rigid
plastic packaging, serving primarily as a supplier of customized containers  for
national  branded  consumer  products.  The  Company  is  the  largest  domestic
manufacturer  of  refrigerated  yogurt  containers,  shelf  stable,  multi-layer
(impermeable  to air  and moisture)  containers for  nutritional supplements and
frosting containers. The Company also believes that it is the largest  designer,
manufacturer  and supplier  of promotional beverage  cups in  the United States,
marketing these products primarily to the fast-food and beverage industries. For
the fiscal year  ended February  29, 1996, the  Company generated  net sales  of
$133.8  million. Approximately 82.8%  of the Company's net  sales in such period
were attributable to rigid plastic  packaging and 17.2% to promotional  beverage
cups.  In  fiscal  1996,  the  Company  produced  almost  four  billion  plastic
containers, cups and lids.
 
    The Company's packaging products are  sold to over 450 customers,  including
manufacturers  of national branded food,  dairy and pharmaceutical products such
as General Mills, Inc. ("General Mills"), including its Yoplait U.S.A.  division
("Yoplait"),  The  Dannon  Company, Inc.  ("Dannon"),  Ross  Laboratories ("Ross
Labs"), a division of Abbott Laboratories, Inc. ("Abbott Labs"), The Haagen Dazs
Company, Inc. ("Haagen Dazs"), Procter & Gamble Company ("Procter & Gamble") and
Pillsbury Company  ("Pillsbury").  The  Company  is also  a  major  supplier  of
promotional  beverage cups to  over 150 companies in  the fast-food and beverage
industries, including McDonald's, Burger King,  Pizza Hut, Hardee's, Taco  Bell,
Coca-Cola and Pepsi.
 
    The  Company's rigid plastic packaging business  has benefitted from, and is
positioned to continue  to participate  in, the growth  of the  markets for  its
customers'   products,   particularly   refrigerated   yogurt   and  nutritional
supplements. According  to data  compiled by  Find/SVP, Inc.,  a New  York-based
market  research firm  ("Find/SVP"), between  1991 and  1994 U.S.  retail yogurt
sales grew 9.6%, 11.4%  and 7.0% from  fiscal 1991 to  fiscal 1992, from  fiscal
1992  to fiscal 1993 and from fiscal 1993  to fiscal 1994, respectively, or at a
compound annual rate of 10.6%, reaching approximately $2.0 billion in 1994.  The
compound  annual  rate has  been presented  as an  alternative to  cumulative or
average annual growth rates because it  indicates what the rate of growth  would
be had such rate been constant year to year over the periods discussed; however,
the  compound annual  rate should  not be  confused with  year to  year or other
measures of growth rates. This expansion of the U.S. yogurt market resulted,  in
part,  from new product innovations such as  lower fat and lower calorie product
offerings, the introduction  of new  flavors and  consistencies, the  increasing
recognition  of yogurt's nutritional benefits and innovative packaging solutions
targeting niche market segments. Despite this growth, the Company believes  U.S.
yogurt  consumption still lags behind that of  Europe. During 1991 and 1992, the
most recent periods examined by Find/SVP,  the per capita consumption of  yogurt
in   Europe  was  six  times   that  in  the  U.S.   Net  sales  of  Ross  Labs'
ENSURE-Registered Trademark- ready-to-drink nutritional supplement increased 20%
in 1995,  reflecting,  in  part,  the  aging of  the  U.S.  population  and  the
corresponding  growth in the  market for such products.  Based on these industry
and demographic factors, management expects the markets for refrigerated  yogurt
and nutritional supplements to continue to grow for the foreseeable future.
 
COMPETITIVE STRENGTHS
 
    The  Company  attributes  its  leading  market  positions  to  the following
factors:
 
        WELL ESTABLISHED CUSTOMER RELATIONSHIPS.  The Company has  long-standing
    customer  relationships, in many  instances as a  sole source supplier under
    multi-year supply agreements. Yoplait, Dannon and Ross Labs, which accounted
    for over 17.9%,  18.7% and 15.2%  of fiscal 1996  sales, respectively,  have
    been  customers of PRI since 1979, 1984 and 1991, respectively. In addition,
    the Company's established
 
                                       1
<PAGE>
    position with its largest customers is  evidenced by its status as the  sole
    supplier of such customers' most popular sized containers, including the six
    ounce  container for Yoplait,  the four, six and  eight ounce containers for
    Dannon  and  the   eight  ounce   multi-layer  container   for  Ross   Labs'
    ENSURE-REGISTERED  TRADEMARK-  nutritional supplement.  PRI's status  as the
    sole supplier  of such  containers  positions the  Company to  benefit  from
    future  growth in  these product  markets. In  recognition of  the Company's
    performance, Ross Labs  recently awarded  PRI certified  supplier status  in
    Ross Labs' Partners in Excellence Program.
 
        CUSTOMER  INTEGRATED PRODUCT DEVELOPMENT AND MANUFACTURING.  The Company
    has worked closely with  its customers in all  phases of product design  and
    production   and  has  invested  heavily  in  customer-driven  research  and
    development activities. For example, PRI developed the
    Autoweld-Registered Trademark- system, a technology that enables Yoplait  to
    assemble,  fill  and  seal its  distinctive  cone-shaped  container. Yoplait
    leases  from   the  Company   the  equipment   necessary  to   operate   the
    Autoweld-Registered  Trademark-  system  for  use  in  Yoplait's  production
    facilities. For Dannon, the Company  recently designed and developed a  four
    ounce  yogurt cup targeted for the  food service and children's markets. The
    Company also worked successfully with Ross Labs to develop the shelf stable,
    multi-layer packaging  applications  for  its  nutritional  supplements  and
    infant  formula product lines.  In promotional cups,  the Company has worked
    closely with several of  its promotional beverage  cup customers to  develop
    new  and distinctive high-definition graphic  designs. In 1993, for example,
    the Company  was the  winner of  the McDonald's  Performance Award  for  the
    "Jurassic  Park" promotional cup. In  addition, the Company's facilities are
    located, in most cases, adjacent to or within close proximity to its largest
    customers' manufacturing  operations, which  has created  manufacturing  and
    distribution  efficiencies. As more of  the Company's customers adopt "just-
    in-time" inventory  systems,  these efficiencies  have  become  increasingly
    important.
 
        STATE-OF-THE-ART  MANUFACTURING TECHNOLOGIES.   The Company, through its
    five manufacturing  facilities,  has developed  production  capabilities  in
    injection  molding,  linear melt  phase thermoforming  ("thermoforming") and
    solid phase pressure  forming ("pressure  forming") and believes  it is  the
    only  manufacturer in the rigid plastic packaging industry with capabilities
    in all  three  such  processes.  Because  each  of  these  processes  offers
    advantages  in  achieving certain  performance  features such  as structural
    strength, rigidity and graphics retention, the Company is able to be  highly
    responsive  to customer requirements  and preferences by  offering a broader
    range of packaging  alternatives than its  competitors. The Company's  three
    technical  facilities  feature  design,  engineering,  prototype production,
    graphics and diagnostic capabilities. Management believes that the Company's
    in-house  capability  to  design,   engineer  and  build  production   molds
    distinguishes  the  Company from  many of  its competitors.  This capability
    provides PRI with an important competitive advantage in maintaining  product
    quality as well as in controlling design, development and maintenance costs.
    To  satisfy the  rigorous quality  control standards  of its  customers, the
    Company maintains a comprehensive  quality assurance program. During  fiscal
    1996,  based on internal estimates, the return rate for all of the Company's
    products was less than one quarter of one percent.
 
        ADVANCED GRAPHICS TECHNOLOGIES.  Management believes that the  Company's
    MasterColor   printing  system,  which  produces  high  definition  graphics
    utilizing  a   computer   controlled  nine   color   press,  is   the   most
    technologically  advanced  color  processing  system  in  the  rigid plastic
    packaging and promotional  beverage cup industries.  The MasterColor  system
    enables   the  Company  to  create  photograph  quality  images  on  plastic
    containers at speeds comparable to conventional high speed printers and thus
    provides an important  competitive advantage. Although  the Company  employs
    the  MasterColor system  primarily in  the printing  of promotional beverage
    cups, management  believes significant  opportunities  exist to  apply  this
    technology to create more sophisticated and colorful designs for other forms
    of  plastic packaging as  manufacturers of branded  products seek to enhance
    and distinguish the image of their products on store shelves.
 
        LOW COST PRODUCTION.  The Company believes that its manufacturing  costs
    are  among the lowest in its industry primarily due to: (i) the economies of
    scale provided by the Company's  high volume production; (ii) the  Company's
    use  of state-of-the-art  molds and  manufacturing techniques  that minimize
    resin  requirements,  reduce  waste  and  enhance  productivity;  (iii)  the
    Company's ability to obtain favorable resin pricing based on its substantial
    purchase requirements; (iv) the low transportation costs
 
                                       2
<PAGE>
    resulting  from  the  proximity  of  the  Company's  six  manufacturing  and
    warehouse facilities to its major customers; and (v) the Company's continual
    efforts to achieve  operating efficiencies and  increase productivity.  Over
    the past several years, the Company has significantly upgraded and automated
    its  manufacturing operations, consolidated certain manufacturing facilities
    and centralized  all of  its administrative  functions to  reduce costs  and
    increase efficiency.
 
    The  Company was founded in 1984 to  capitalize on the growth in outsourcing
among nationally branded  food producers  for their packaging  needs. Since  its
formation,  the Company has made six  strategic acquisitions which have expanded
the Company's product mix and enhanced its competitive position. Most  recently,
during  fiscal  1994,  the  Company  acquired  Louisiana  Plastics, Incorporated
("Louisiana Plastics")  and  substantially all  the  assets of  Miner  Container
Printing,   Inc.   and  certain   affiliated  companies   (collectively,  "Miner
Container"), which established market  share leadership in promotional  beverage
cups,  increased injection molding capacity and packaging sales and provided the
MasterColor graphics technology.
 
    The Company believes that  the fundamental benefits  of plastic relative  to
other  packaging materials, including (i)  design versatility, (ii) light weight
and low cost,  (iii) strength and  durability, (iv) insulating  ability and  (v)
clarity,  will promote  opportunities for growth  in sales  and profitability in
both the rigid plastic  packaging and promotional  beverage cup industries.  The
Company   further  believes  it  is   well-positioned  to  capitalize  on  these
opportunities through its advanced, low-cost, customer-oriented operations.
 
STRATEGY
 
    The Company's strategy is  to enhance its position  in the industry by:  (i)
participating  in  the  growth being  experienced  by its  largest  customers by
continuing to  meet their  increasing packaging  needs; (ii)  strengthening  its
relationships  with  these  existing  customers  by  continuing  to  provide new
value-added products  and  services;  (iii) expanding  into  new  packaging  and
promotional  cup products and markets; and (iv) continuing to seek opportunities
to reduce manufacturing costs and enhance productivity.
 
        GROWTH WITH EXISTING CUSTOMERS.  The  Company will continue to focus  on
    meeting  the rigid plastic packaging needs  of Yoplait, Dannon and Ross Labs
    to keep pace with  the growth in  the markets for  their products. Based  in
    part on growth in domestic consumption of refrigerated yogurt, the Company's
    net  sales  to  Yoplait and  Dannon,  who  rely on  the  Company  to provide
    substantially all of their single-serving yogurt containers, have  increased
    13.1%,  14.6%, 34.9% and 15.5% from fiscal  1992 to fiscal 1993, from fiscal
    1993 to fiscal 1994, from fiscal 1994 to fiscal 1995 and from fiscal 1995 to
    fiscal 1996, respectively, or at a  compound annual growth rate of over  19%
    during the last four years. In addition, the Company's net sales as the sole
    source   supplier   of  multi-layer   containers  to   Ross  Labs   for  its
    ENSURE-REGISTERED TRADEMARK- nutritional supplement and
    SIMILAC-REGISTERED TRADEMARK- infant  formula grew 75.5%,  11.2%, 24.9%  and
    11.6% from fiscal 1992 to fiscal 1993, from fiscal 1993 to fiscal 1994, from
    fiscal   1994  to  fiscal  1995  and   from  fiscal  1995  to  fiscal  1996,
    respectively, or at a compound annual rate in excess of 29% during the  last
    four years.
 
        NEW  APPLICATIONS FOR EXISTING CUSTOMERS.  The Company intends to expand
    its relationships  with existing  customers by  developing new  applications
    based  on  its extensive  manufacturing  capabilities and  advanced graphics
    technologies. For example, the  Company applied thin-wall technology,  which
    combines  structural  strength  with  reduced cost  and  weight,  to develop
    Dannon's six and eight ounce containers. In addition, the Company  developed
    the six ounce multi-layer container presently used by Yoplait which features
    a glossy exterior finish designed to enhance graphics.
 
        NEW  PRODUCTS AND  MARKETS.   The Company  plans to  expand into related
    product lines serving new markets with several products under development in
    both rigid plastic packaging and promotional beverage cups. With respect  to
    packaging,  management believes  there will be  significant opportunities to
    expand the  Company's  shelf stable,  multi-layer  packaging to  the  extent
    plastic  containers  are substituted  for  metal, glass  and  composites for
    products requiring extended shelf life, such as condensed soups, vegetables,
    baby foods and pet foods. In promotional beverage cups, the Company recently
    entered the professional sports and college stadium cup market and also  has
    under  development a  number of  new products, including  a new  cup for the
    gourmet coffee market. In addition, in both
 
                                       3
<PAGE>
    packaging and promotional cups, the Company intends to leverage its advanced
    graphics capabilities by introducing new  products which highlight its  high
    definition   printing  and  quality  designs.  The  Company  believes  these
    initiatives will  reinforce its  reputation  as an  innovative,  value-added
    marketing partner for its customers while adding to future profitability.
 
        CONTINUED  COST REDUCTION  AND PRODUCTIVITY  ENHANCEMENTS.   The Company
    continually seeks opportunities to reduce its costs and improve productivity
    to maintain  its  competitive  position  as  a  low-cost  manufacturer.  For
    example,   following  the  acquisition  of  Miner  Container  and  Louisiana
    Plastics,  the  Company   selectively  consolidated  certain   manufacturing
    facilities  and  centralized  administrative  functions.  During  the  first
    quarter of  fiscal 1997,  the  Company completed  the consolidation  of  its
    Lenexa, Kansas printing operation into the Kansas City, Missouri facility to
    reduce   overhead  and  transportation   costs  and  increase  manufacturing
    productivity. In fiscal 1997,  the Company intends  to initiate projects  to
    further  reduce  costs and  enhance  productivity, by,  among  other things,
    increasing the automation of its packaging and handling systems.
 
STRUCTURE OF THE COMPANY
 
   
    All of the outstanding capital stock  of PRI is held by Packaging  Resources
Group,  Inc. ("Group"). All of the outstanding capital stock of Group is held by
HPH Industries, Ltd.  ("HPH"), which is  wholly-owned by Howard  P. Hoeper,  the
Chairman  of the  Board of Directors,  Chief Executive Officer  and President of
Group and PRI. As of August 14,  1996, assuming the exercise of all  outstanding
warrants  to  acquire  the  capital stock  of  Group  ("Warrants"),  HPH, Apollo
Packaging Partners, L.P.,  a Delaware  limited partnership and  an affiliate  of
Apollo  Advisors,  L.P. ("Apollo"),  and  TCW/Crescent Mezzanine  Partners, L.P.
together with TCW/Crescent  Mezzanine Trust (collectively,  the "TCW  Entities")
would beneficially own 60%, 29.3% and 10.7% of such stock, respectively. Each of
the TCW Entities is an affiliate of Trust Company of the West.
    
 
    The  Company's principal executive  offices are located  at One Conway Park,
100 Field Drive, Suite 300, Lake Forest, Illinois 60045 and its phone number  is
(847) 295-6100.
 
                                       4
<PAGE>
                               THE FINANCING PLAN
 
    The  Old Notes Offering was part of  a plan of financing designed to provide
the Company  with long-term  fixed  rate financing  and increase  the  Company's
revolving  credit availability. In  connection with such  plan of financing, the
Company (i)  issued $110.0  million aggregate  principal amount  of Notes,  (ii)
entered  into a  credit agreement which  provides for a  $20.0 million revolving
loan facility,  subject to  certain borrowing  conditions and  limitations  (the
"Senior  Credit Facility"), (iii) repaid  all outstanding borrowings under PRI's
existing senior  secured credit  facility (the  "Old Credit  Agreement") in  the
aggregate  principal amount of $73.5 million and (iv) funded a dividend to Group
in the amount of $31.7  million. Group, in turn, used  the dividend from PRI  to
redeem  without penalty  or premium  a portion  of the  outstanding 12.5% Senior
Subordinated Notes  due  June  30, 2003  of  Group  (the "12.5%  Notes")  at  an
aggregate redemption price of $31.7 million, leaving $19 million in principal of
the  12.5% Notes outstanding as  of May 17, 1996.  The foregoing transactions by
PRI and Group are collectively referred  to herein as the "Financing Plan."  See
"Use of Proceeds" and "Capitalization."
 
    The  following table  illustrates the  sources and  uses of  funds under the
Financing Plan:
 
<TABLE>
<CAPTION>
                                                                                    AMOUNT
                                                                                 -------------
                                                                                      (IN
                                                                                  THOUSANDS)
<S>                                                                              <C>
SOURCES OF FUNDS:
Notes..........................................................................   $   110,000
                                                                                 -------------
  Total Sources................................................................   $   110,000
                                                                                 -------------
                                                                                 -------------
USES OF FUNDS:
Repayment of indebtedness under Old Credit Agreement...........................   $    73,500
Dividend to Group(a)...........................................................        31,700
Fees and expenses(b)...........................................................         4,150
Working capital................................................................           650
                                                                                 -------------
  Total Uses...................................................................   $   110,000
                                                                                 -------------
                                                                                 -------------
</TABLE>
 
- ------------------------
(a) Dividend proceeds were used by Group to redeem, without penalty or  premium,
    a portion of the 12.5% Notes.
 
(b) Includes  the  discount  paid  to the  Initial  Purchasers  (as  defined) in
    connection with the issuance of the Old Notes, bank financing fees and legal
    and accounting expenses.
 
                                       5
<PAGE>
                                 THE EXCHANGE OFFER
 
   
<TABLE>
<S>                             <C>
The Exchange Offer............  The Company  is  offering  to exchange  up  to  $110,000,000
                                aggregate  principal  amount  of Exchange  Notes  for  up to
                                $110,000,000 aggregate principal  amount of  the Old  Notes.
                                The  Old  Notes  were  initially  offered  and  sold  by  BT
                                Securities Corporation  and  Donaldson,  Lufkin  &  Jenrette
                                Securities  Corporation as the initial purchasers of the Old
                                Notes (the  "Initial  Purchasers"),  to  certain  "qualified
                                institutional  buyers" (as  defined in  Rule 144A  under the
                                Securities Act) and institutional accredited investors at  a
                                price  of 100% of the principal amount thereof. The form and
                                terms of  the  Exchange Notes  are  substantially  identical
                                (including   principal  amount,   interest  rate,  maturity,
                                security and ranking) to the form and terms of the Old Notes
                                for which they  may be  exchanged pursuant  to the  Exchange
                                Offer,   except   that   the  Exchange   Notes   are  freely
                                transferable by holders  thereof except  as provided  herein
                                (see  "The Exchange Offer--Terms of the Exchange" and "Terms
                                and Conditions of  the Letter of  Transmittal") and are  not
                                entitled   to  certain   registration  rights   and  certain
                                additional interest provisions which  are applicable to  the
                                Old  Notes under a registration rights agreement dated as of
                                May 17, 1996 (the  "Registration Rights Agreement")  between
                                the Company and the Initial Purchasers.
                                Exchange  Notes  issued pursuant  to  the Exchange  Offer in
                                exchange for the Old Notes may be offered for resale, resold
                                and otherwise transferred by holders thereof (other than any
                                holder which  is (i)  an Affiliate  of the  Company, (ii)  a
                                broker-dealer  who  acquired  Old  Notes  directly  from the
                                Company or (iii) a broker-dealer who acquired Old Notes as a
                                result  of  market-making  or  other  trading   activities),
                                without  compliance  with  the  registration  and prospectus
                                delivery provisions of the Securities Act provided that such
                                Exchange Notes are acquired in  the ordinary course of  such
                                holders'  business and such holders  are not engaged in, and
                                do not  intend to  engage  in, and  have no  arrangement  or
                                understanding   with  any   person  to   participate  in,  a
                                distribution of such Exchange Notes.
Minimum Condition.............  The Exchange  Offer  is  not conditioned  upon  any  minimum
                                aggregate  principal amount  of Old Notes  being tendered or
                                accepted for exchange.
Expiration Date...............  The Exchange Offer will expire  at 5:00 p.m., New York  City
                                time, on September 20, 1996, unless extended.
Exchange Date.................  The  first date of acceptance for exchange for the Old Notes
                                will be  the first  business  day following  the  Expiration
                                Date.
Conditions to the Exchange      The  obligation of  the Company  to consummate  the Exchange
Offer.........................  Offer is subject  to certain conditions.  See "The  Exchange
                                Offer  --  Conditions to  the  Exchange Offer."  The Company
                                reserves the right to terminate or amend the Exchange  Offer
                                at any time prior to the Expiration Date upon the occurrence
                                of any such condition.
Withdrawal Rights.............  Tenders  of Old Notes pursuant to  the Exchange Offer may be
                                withdrawn at any time prior to the Expiration Date. Any  Old
                                Notes  not accepted for any  reason will be returned without
                                expense to  the tendering  holders  thereof as  promptly  as
                                practicable  after  the  expiration  or  termination  of the
                                Exchange Offer.
</TABLE>
    
 
                                       6
<PAGE>
 
<TABLE>
<S>                             <C>
Procedures for Tendering Old    See "The Exchange Offer -- How to Tender."
Notes.........................
Federal Income Tax              The exchange of  Old Notes for  Exchange Notes by  tendering
Consequences..................  holders  will not be  a taxable exchange  for federal income
                                tax purposes,  and such  holders  should not  recognize  any
                                taxable gain or loss as a result of such exchange.
Use of Proceeds...............  There  wil  be  no cash  proceeds  to the  Company  from the
                                exchange pursuant to the Exchange Offer.
Effect on Holders of Old        As a result of the making  of this Exchange Offer, and  upon
Notes.........................  acceptance  for exchange  of all validly  tendered Old Notes
                                pursuant to the  terms of this  Exchange Offer, the  Company
                                will have fulfilled a covenant contained in the terms of the
                                Old  Notes  and  the  Registration  Rights  Agreement,  and,
                                accordingly, the  holders  of the  Old  Notes will  have  no
                                further  registration or other rights under the Registration
                                Rights   Agreement,    except    under    certain    limited
                                circumstances.  See "Old Notes Registration Rights." Holders
                                of the Old Notes  who do not tender  their Old Notes in  the
                                Exchange Offer will continue to hold such Old Notes and will
                                be  entitled to  all the  rights and  limitations applicable
                                thereto under the  Indenture. All  untendered, and  tendered
                                but unaccepted, Old Notes will continue to be subject to the
                                restrictions  on transfer provided for  in the Old Notes and
                                the Indenture. To the extent that Old Notes are tendered and
                                accepted in the Exchange Offer, the trading market, if  any,
                                for  the  Old  Notes  not  so  tendered  could  be adversely
                                affected. See "Risk  Factors -- Consequences  of Failure  to
                                Exchange Old Notes."
</TABLE>
 
                          TERMS OF THE EXCHANGE NOTES
 
<TABLE>
<S>                             <C>
Securities Offered............  $110,000,000  principal  amount  of 11  5/8%  Senior Secured
                                Notes due 2003.
 
Issuer........................  Packaging Resources Incorporated.
 
Maturity Date.................  May 1, 2003.
 
Interest Rate.................  The Exchange Notes will bear interest at the rate of 11 5/8%
                                per annum.
 
Interest Payments.............  Interest on the Notes will accrue  from May 17, 1996 and  is
                                payable  in cash semi-annually on each May 1 and November 1,
                                commencing November 1, 1996.
 
Optional Redemption...........  The Exchange Notes may be redeemed at the option of PRI,  in
                                whole or in part, from time to time on or after May 1, 2000,
                                at  the redemption prices set  forth herein plus accrued and
                                unpaid interest to the redemption date. In addition, at  any
                                time  on or prior to May 1, 1999, up to 30% of the aggregate
                                principal amount of  the Exchange Notes  may be redeemed  at
                                the  option of PRI  with the cash proceeds  from one or more
                                Public Equity  Offerings  at  111 5/8%  of  their  principal
                                amount,  together with  accrued and  unpaid interest  to the
                                redemption date, if any,  provided that after giving  effect
                                to  such  redemption, at  least  $70.0 million  in principal
                                amount of the Exchange Notes remain outstanding  immediately
                                after  any such redemption. In the case of any Public Equity
                                Offering by Group, PRI is required to apply to a  redemption
                                of  the Exchange  Notes an amount  not less than  50% of the
                                aggregate net proceeds of  such Public Equity Offering.  See
                                "Description of Exchange Notes -- Optional Redemption."
</TABLE>
 
                                       7
<PAGE>
 
   
<TABLE>
<S>                             <C>
Ranking.......................  The Exchange Notes will be senior secured obligations of PRI
                                ranking  senior to all subordinated  indebtedness of PRI and
                                PARI PASSU  in  right  of  payment  with  all  other  senior
                                indebtedness  of  PRI.  However,  lenders  under  the Senior
                                Credit Facility have  claims with respect  to the  Company's
                                accounts  receivable, raw  materials and  finished goods in-
                                ventory and the  proceeds therefrom constituting  collateral
                                for  such indebtedness that are  effectively senior in right
                                of payment to the  claims of holders  of the Exchange  Notes
                                with  respect to  such assets.  The Notes  are not currently
                                senior to any  outstanding indebtedness of  the Company.  At
                                August  14, 1996,  PRI had  outstanding approximately $111.3
                                million  in  aggregate  principal  amount  of   indebtedness
                                (excluding  trade payables  and other  accrued liabilities),
                                all of  which constitutes  senior indebtedness  and none  of
                                which  constitutes  indebtedness  under  the  Senior  Credit
                                Facility. In  addition,  PRI  had $20.0  million  in  unused
                                senior  secured borrowing  capacity under  the Senior Credit
                                Facility,  subject  to  certain  borrowing  conditions   and
                                limitations.  See "Description of  Exchange Notes -- Ranking
                                and Security."
Collateral....................  The Collateral securing the  Exchange Notes will consist  of
                                certain  equipment,  fixtures and  general  intangibles, and
                                mortgages on substantially all of  the owned and certain  of
                                the  leased  property  of  the  Company,  and  the  proceeds
                                therefrom. The  Indenture  provides that  lenders  under  an
                                Acquisition  Financing Facility will have the right to share
                                on a  PARI PASSU  basis in  any proceeds  from the  sale  of
                                Collateral. See "Description of Exchange Notes -- Security."
Sinking Fund..................  None.
Change of Control.............  Upon  a Change of  Control, PRI will be  required to make an
                                offer to purchase all of the  Exchange Notes at 101% of  the
                                principal  amount thereof, plus  accrued and unpaid interest
                                to the date of purchase. There can be no assurance that  PRI
                                will  have  sufficient funds  to  satisfy its  obligation to
                                repurchase the Exchange Notes upon a Change of Control.  See
                                "Description  of Certain  Indebtedness --  The Senior Credit
                                Facility" and "Description of  Exchange Notes --  Repurchase
                                at the Option of Holders -- Change of Control."
Asset Sales...................  Under certain circumstances, PRI will be required to make an
                                offer  to  purchase  all  outstanding  Exchange  Notes  at a
                                purchase price  in cash  equal to  100% of  their  principal
                                amount,  plus  accrued and  unpaid interest  to the  date of
                                purchase, with the proceeds of Asset Sales. See "Description
                                of Exchange Notes -- Repurchase at the Option of Holders  --
                                Asset Sales; Collateral Loss Events."
Certain Covenants.............  The  Indenture contains certain  covenants that, among other
                                things,  limit  the  Company's   ability  to  make   certain
                                restricted  payments,  incur  indebtedness,  create  certain
                                liens, sell assets, engage in transactions with  affiliates,
                                merge  or consolidate with  other entities or  engage in new
                                lines of  business. See  "Description of  Exchange Notes  --
                                Certain Covenants."
</TABLE>
    
 
                                  RISK FACTORS
 
    Holders  of Old  Notes should  consider carefully  the specific  factors set
forth under "Risk Factors," as well as  the other information set forth in  this
Prospectus,  before making an  investment decision with  respect to the Exchange
Offer.
 
                                       8
<PAGE>
                SUMMARY HISTORICAL AND PRO FORMA FINANCIAL DATA
 
    The following  table presents  summary historical  and pro  forma  financial
information  for the Company. The summary statement of operations data and other
operating data set forth below  for the years ended  February 28, 1994 and  1995
and  February 29, 1996 and the three months  ended May 31, 1995 and 1996 and the
balance sheet data at February 28, 1995  and February 29, 1996 and May 31,  1995
and  1996  have  been derived  from,  and  are qualified  by  reference  to, the
financial statements of the Company  included elsewhere in this Prospectus.  The
summary  statement of operations  data and other operating  data set forth below
for the years  ended February 29,  1992 and  February 28, 1993  and the  balance
sheet data at February 29, 1992 and February 28, 1993 and 1994 have been derived
from  the Company's audited financial statements not included herein. Historical
financial data  reflects  the  acquisitions  of  Louisiana  Plastics  and  Miner
Container from March 12, 1993 and December 15, 1993, respectively. The unaudited
pro forma financial data for fiscal 1996 give effect to the Financing Plan as if
it  had occurred on  March 1, 1995  for purposes of  the statement of operations
data and the other operating  data and as of February  29, 1996 for purposes  of
the balance sheet data. The unaudited pro forma financial data do not purport to
represent  what  the Company's  results  of operations  would  have been  if the
Financing Plan had in fact occurred as of the beginning of the period or on  the
date indicated, as applicable, or to project the Company's financial position or
results of operations for any future date or period. Results for interim periods
may  not be indicative of results for a full year. The information in this table
should be  read in  conjunction with  "Selected Financial  Data,"  "Management's
Discussion  and Analysis of  Financial Condition and  Results of Operations" and
the historical financial statements  of the Company  included elsewhere in  this
Prospectus.
<TABLE>
<CAPTION>
                                                             FISCAL YEAR ENDED                              THREE MONTHS ENDED
                                   ----------------------------------------------------------------------  --------------------
<S>                                <C>          <C>          <C>        <C>        <C>        <C>          <C>        <C>
                                                                                                               (UNAUDITED)
                                    FEB. 29,     FEB. 28,    FEB. 28,   FEB. 28,   FEB. 29,                 MAY 31,    MAY 31,
                                    1992 (A)       1993        1994       1995       1996                    1995       1996
                                   -----------  -----------  ---------  ---------  ---------               ---------  ---------
                                                                                               PRO FORMA
                                                                                               FEB. 29,
                                                                                               1996 (B)
                                                                                              -----------
                                                                                              (UNAUDITED)
 
<CAPTION>
                                                                      (DOLLARS IN THOUSANDS)
<S>                                <C>          <C>          <C>        <C>        <C>        <C>          <C>        <C>
STATEMENT OF OPERATIONS DATA:
Net sales........................   $  80,473    $  74,950   $ 118,844  $ 135,696  $ 133,756   $ 133,756   $  36,335  $  31,316
Cost of goods sold (c)...........      65,996       59,232      93,248    113,928    111,448     111,448      30,142     25,356
                                   -----------  -----------  ---------  ---------  ---------  -----------  ---------  ---------
Gross profit.....................      14,477       15,718      25,596     21,768     22,308      22,308       6,193      5,960
Selling, general and
 administrative expenses.........       4,990        4,512       6,657      8,407      6,864       6,864       1,796      1,848
Amortization of intangibles......         620          424       1,122      3,102      2,434       2,434         599        174
Nonrecurring charge (d)..........      --           --          --          7,257     --          --          --         --
                                   -----------  -----------  ---------  ---------  ---------  -----------  ---------  ---------
Operating income.................       8,867       10,782      17,817      3,002     13,010      13,010       3,798      3,938
Interest expense, net (e)........       6,082        5,406       5,482      8,503     10,671      13,416       2,769      2,416
                                   -----------  -----------  ---------  ---------  ---------  -----------  ---------  ---------
Income (loss) before income
 taxes, extraordinary item and
 cumulative effect of change in
 accounting principle............       2,785        5,376      12,335     (5,501)     2,339        (406)      1,029      1,522
Income tax expense (benefit).....       1,268        2,215       5,057     (1,980)     1,006        (175)        422        654
                                   -----------  -----------  ---------  ---------  ---------  -----------  ---------  ---------
Income (loss) before
 extraordinary item and
 cumulative effect of change in
 accounting principle............       1,517        3,161       7,278     (3,521)     1,333   $    (231)        607        868
                                   -----------  -----------  ---------  ---------  ---------  -----------  ---------  ---------
                                                                                              -----------
Extraordinary item (f)...........      --           --          (2,743)    --         --                      --         (1,064)
Cumulative effect of change in
 accounting principle (g)........      --           --          (2,300)    --         --                      --         --
                                   -----------  -----------  ---------  ---------  ---------               ---------  ---------
Net income (loss)................   $   1,517    $   3,161   $   2,235  $  (3,521) $   1,333               $     607  $    (196)
                                   -----------  -----------  ---------  ---------  ---------               ---------  ---------
                                   -----------  -----------  ---------  ---------  ---------               ---------  ---------
CASH FLOW DATA:
Net cash provided by (used in)
 operating activities............   $   8,743    $   6,058   $  (4,506) $  11,472  $  11,775               $   3,911  $   7,908
Net cash used in investing
 activities......................      (3,309)      (5,684)    (47,557)    (7,250)    (4,956)                   (714)    (1,942)
Net cash provided by (used in)
 financing activities............      (5,430)        (380)     52,733     (4,684)    (6,653)                 (1,800)    (2,185)
BALANCE SHEET DATA (PERIOD END):
Property, plant, and equipment,
 net.............................   $  30,302    $  31,276   $  56,912  $  56,213  $  52,352   $  52,352   $  55,038  $  52,433
Total assets.....................      61,337       62,727     136,545    121,966    110,683     112,620     118,376    116,881
Total debt.......................      41,903       42,861      86,361     84,177     77,524     112,152      82,376    111,250
Stockholder's equity (deficit)...        (561)       1,134      22,953     16,932     18,265     (13,563)     17,542    (13,692)
 
<CAPTION>
<S>                                <C>
                                    PRO FORMA
                                     MAY 31,
                                    1996 (B)
                                   -----------
<S>                                <C>
STATEMENT OF OPERATIONS DATA:
Net sales........................   $  31,316
Cost of goods sold (c)...........      25,356
                                   -----------
Gross profit.....................       5,960
Selling, general and
 administrative expenses.........       1,848
Amortization of intangibles......         174
Nonrecurring charge (d)..........      --
                                   -----------
Operating income.................       3,938
Interest expense, net (e)........       3,391
                                   -----------
Income (loss) before income
 taxes, extraordinary item and
 cumulative effect of change in
 accounting principle............         547
Income tax expense (benefit).....         235
                                   -----------
Income (loss) before
 extraordinary item and
 cumulative effect of change in
 accounting principle............   $     312
                                   -----------
                                   -----------
Extraordinary item (f)...........
Cumulative effect of change in
 accounting principle (g)........
Net income (loss)................
CASH FLOW DATA:
Net cash provided by (used in)
 operating activities............
Net cash used in investing
 activities......................
Net cash provided by (used in)
 financing activities............
BALANCE SHEET DATA (PERIOD END):
Property, plant, and equipment,
 net.............................
Total assets.....................
Total debt.......................
Stockholder's equity (deficit)...
</TABLE>
 
                                       9
<PAGE>
<TABLE>
<CAPTION>
                                                             FISCAL YEAR ENDED                              THREE MONTHS ENDED
                                   ----------------------------------------------------------------------  --------------------
                                                                                                               (UNAUDITED)
                                    FEB. 29,     FEB. 28,    FEB. 28,   FEB. 28,   FEB. 29,                 MAY 31,    MAY 31,
                                    1992 (A)       1993        1994       1995       1996                    1995       1996
                                   -----------  -----------  ---------  ---------  ---------               ---------  ---------
                                                                                               PRO FORMA
                                                                                               FEB. 29,
                                                                                               1996 (B)
                                                                                              -----------
                                                                                              (UNAUDITED)
                                                                      (DOLLARS IN THOUSANDS)
<S>                                <C>          <C>          <C>        <C>        <C>        <C>          <C>        <C>
OTHER OPERATING DATA:
Ratio of earnings to fixed
 charges (h).....................       1.43x        1.93x       3.00x         (i)     1.21x          (i)      1.35x      1.59x
EBITDA (j).......................   $  12,570    $  14,434   $  24,096  $  20,751  $  22,731   $  22,731   $   6,262  $   5,981
Depreciation and amortization
 (k).............................       3,703        3,652       6,279     10,492      9,721       9,721       2,464      2,043
Capital expenditures (l).........       2,735        4,435       5,556      7,925      3,449       3,449         740      1,942
Ratio of EBITDA to interest
 expense.........................       2.07x        2.67x       4.40x      2.44x      2.13x       1.69x       2.26x      2.48x
Ratio of EBITDA to cash interest
 expense (m).....................       2.29x        3.00x       5.04x      2.71x      2.52x       1.77x       2.66x      2.92x
 
<CAPTION>
 
                                    PRO FORMA
                                     MAY 31,
                                    1996 (B)
                                   -----------
 
<S>                                <C>
OTHER OPERATING DATA:
Ratio of earnings to fixed
 charges (h).....................       1.15x
EBITDA (j).......................   $   5,981
Depreciation and amortization
 (k).............................       2,043
Capital expenditures (l).........       1,942
Ratio of EBITDA to interest
 expense.........................       1.76x
Ratio of EBITDA to cash interest
 expense (m).....................       1.84x
</TABLE>
 
- ------------------------------
(a)  Fiscal  1992 amounts have  been restated to reflect  a change in accounting
     for inventory. In fiscal  1993, the Company  changed its inventory  costing
     method  from the last in, first out  ("LIFO") method to the first in, first
     out ("FIFO") method. Cost of goods  sold for all fiscal years presented  is
     valued using the FIFO method.
 
(b)  Financial  data for fiscal 1996  gives effect to the  Financing Plan, as if
     such transactions  had  occurred on  March  1,  1995 for  purposes  of  the
     statement  of  operations  data and  the  other  operating data  and  as of
     February 29,  1996  for purposes  of  the  balance sheet  data.  Pro  forma
     adjustments  to statement of  operations data and  other operating data for
     the year ended February 29, 1996 include adjustments to interest expense in
     the aggregate  amount  of  $2.7  million,  reflecting  the  elimination  of
     interest  expense relating to the Old  Credit Agreement and the addition of
     interest expense associated with the Notes and the Senior Credit  Facility.
     Financial  data for May 31,  1996 gives effect to  the Financing Plan as if
     such transactions occurred on March 1,  1996 for purposes of the  statement
     of  operations  data and  other operating  data.  Pro forma  adjustments to
     statement of operations data and  other operating data include  adjustments
     to  interest  expense  in  the aggregate  amount  of  $975,  reflecting the
     elimination of interest expense  relating to the  Old Credit Agreement  and
     the  addition of interest expense associated  with the Notes and the Senior
     Credit Facility. Pro forma adjustments to  balance sheet data for the  year
     ended February 29, 1996 reflect (i) a non-cash extraordinary charge of $1.4
     million (net of tax benefit) for the write-off of the unamortized financing
     fees  and debt issuance costs associated  with the Old Credit Agreement and
     (ii) a dividend from PRI to Group in the amount of $30.5 million to  redeem
     a portion of the 12.5% Notes. See "Capitalization."
 
(c)  Cost of goods sold includes costs for raw materials, labor, maintenance and
     repair  of  property,  plant  and  equipment,  manufacturing  overhead  and
     research and development.
 
(d)  The nonrecurring charges in  fiscal 1995 include a  charge of $6.4  million
     relating   to  the  closing  and  consolidation  of  certain  manufacturing
     facilities and the write-off of $894 in costs associated with a public debt
     offering that was not completed by the Company.
 
(e)  Interest expense, net  includes interest  income of  $83, $129  and $77  in
     fiscal 1993, 1994 and 1995, respectively.
 
(f)  The   extraordinary  item  in  fiscal  1994  represents  the  write-off  of
     unamortized financing fees and costs and the payment of certain premiums in
     connection with the recapitalization and refinancing that occurred in  June
     1993  (the  "1993  Transaction").  See  Notes 8  and  11  to  the Company's
     financial statements included elsewhere in this Prospectus.
 
(g)  Cumulative effect of change in accounting principle in fiscal 1994 reflects
     the Company's  adoption  of  Statement of  Financial  Accounting  Standards
     ("SFAS")  109, "Accounting  for Income  Taxes." See Notes  1 and  12 to the
     Company's financial statements included elsewhere in this Prospectus.
 
(h)  For purposes of  this computation,  earnings are defined  as income  before
     income  taxes  plus  fixed  charges.  Fixed  charges  consist  of  interest
     (including amortization of  deferred financing costs  and debt discount  or
     premium)  and  that portion  of rental  expense  that is  representative of
     interest (deemed to be one-third of operating lease rental expense).
 
(i)  The Company's earnings were  inadequate to cover  fixed charges for  fiscal
     1995 and pro forma 1996 by $5.5 million and $406, respectively.
 
(j)  EBITDA  represents  earnings  (loss)  before  interest  expense,  provision
     (benefit)  for  income  taxes,  depreciation  and  amortization  (excluding
     amortization   of  deferred  financing  costs),  adjusted  to  exclude  the
     nonrecurring charges, extraordinary items and cumulative effect of  changes
     in  accounting principles described in notes (d), (f) and (g) above. EBITDA
     is presented because such data  reflects earnings without giving effect  to
     non-cash  and  and nonrecurring  items and  is  used by  certain investors,
     analysts and others (including the Company's lender under the Senior Credit
     Facility) as one measure of a company's ability to service debt. In  fiscal
     1995, the Company's earnings were inadequate to cover fixed charges and, as
     a  result, the Company refinanced its outstanding senior debt. Accordingly,
     EBITDA, alone, did not fully measure the Company's ability to meet its debt
     service obligations in fiscal  1995. See note  (i) above and  "Management's
     Discussion and Analysis of Financial Condition and Results of Operations --
     Liquidity  and Capital  Resources." EBITDA should  not be  considered as an
     alternative, or be construed as  more meaningful than, operating income  or
     cash  flow from operations  as determined by  generally accepted accounting
     principles, and does  not necessarily  indicate whether cash  flow will  be
     sufficient  for the Company's  actual cash requirements  during any period.
     EBITDA is  not  a  measurement  determined  in  accordance  with  generally
     accepted accounting principles and should not be considered in isolation or
     as  a substitute  for measures of  performance prepared  in accordance with
     generally accepted accounting  principles. Investors should  be aware  that
     EBITDA  as described  above may  differ in  the method  of calculation from
     EBITDA presented by other  companies due to  the exclusion of  nonrecurring
     charges. See footnote (d) above for a description of nonrecurring charges.
 
                                       10
<PAGE>
     The  following represents  a reconciliation  of EBITDA  from net  income as
     determined by generally accepted accounting principles:
 
<TABLE>
<CAPTION>
                                        FEB. 29,     FEB. 28,     FEB. 28,     FEB. 28,     FEB. 29,      MAY 31,      MAY 31,
                                          1992         1993         1994         1995         1996         1995         1996
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
                                                                        (AMOUNTS IN THOUSANDS)                (UNAUDITED)
<S>                                    <C>          <C>          <C>          <C>          <C>          <C>          <C>
Net income (loss)....................   $   1,517    $   3,161    $   2,235    $  (3,521)   $   1,333    $     607    $    (196)
Cumulative effect of change in
 accounting principle................      --           --            2,300       --           --           --           --
Extraordinary item...................      --           --            2,743       --           --           --            1,064
Income tax expense (benefit).........       1,268        2,215        5,057       (1,980)       1,006          422          654
Interest expense, net................       6,082        5,406        5,482        8,503       10,671        2,769        2,416
Nonrecurring charge..................      --           --           --            7,257       --           --           --
Depreciation and amortization (less
 deferred financing costs which are
 included in interest expense
 above)..............................       3,703        3,652        6,279       10,492        9,721        2,464        2,043
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
EBITDA...............................   $  12,570    $  14,434    $  24,096    $  20,751    $  22,731    $   6,262    $   5,981
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
</TABLE>
 
(k)  Depreciation  and  amortization  as  presented  excludes  amortization   of
     deferred financing costs.
 
(l)  Capital  expenditures in fiscal 1994 do  not include $26.9 million expended
     for property,  plant and  equipment obtained  through the  acquisitions  of
     Louisiana Plastics and Miner Container.
 
(m)  For  the  purpose  of calculating  the  ratio  of EBITDA  to  cash interest
     expense,  interest  expense  does  not  include  amortization  of  deferred
     financing  costs. Amortization of deferred financing costs for fiscal 1992,
     1993, 1994, 1995, 1996 and pro forma 1996 was $595, $593, $705, $848,  $1.7
     million and $593, respectively. EBITDA has been included for convenience of
     investors  and others who use such measure. EBITDA should not be considered
     as an  alternative to  operating income  or cash  flow from  operations  as
     determined  by  generally  accepted  accounting  principles,  and  does not
     necessarily  indicate  whether  cash  flow  will  be  sufficient  for  cash
     requirements.  EBITDA is  not a  measurement determined  in accordance with
     generally accepted accounting  principles and should  not be considered  in
     isolation  or  as  a substitute  for  measures of  performance  prepared in
     accordance with generally accepted accounting principles.
 
                                       11
<PAGE>
                                  RISK FACTORS
 
    In  addition to the  other information contained  in this Prospectus, before
tendering their Old Notes for the Exchange Notes offered hereby, holders of  Old
Notes  should consider carefully  the following factors,  which may be generally
applicable to the Old Notes as well as to the Exchange Notes:
 
CONSEQUENCES OF FAILURE TO EXCHANGE OLD NOTES
 
    Holders of Old Notes who do not exchange their Old Notes for Exchange  Notes
pursuant  to the Exchange Offer will continue  to be subject to the restrictions
on transfer  of such  Old  Notes, as  set  forth in  the  legend thereon,  as  a
consequence  of the issuance of the Old Notes pursuant to exemptions from, or in
transactions not subject to, the registration requirements of the Securities Act
and applicable  state securities  laws. In  general, the  Old Notes  may not  be
offered or sold, unless registered under the Securities Act and applicable state
securities  laws, or unless offered or  sold pursuant to an exemption therefrom.
Except under  certain limited  circumstances,  the Company  does not  intend  to
register  the Old Notes under the Securities Act. In addition, any holder of Old
Notes who tenders in the  Exchange Offer for the  purpose of participating in  a
distribution  of the  Exchange Notes may  be deemed to  have received restricted
securities and, if  so, will  be required to  comply with  the registration  and
prospectus  delivery requirements of  the Securities Act  in connection with any
resale transaction. To  the extent Old  Notes are tendered  and accepted in  the
Exchange  Offer, the trading market,  if any, for the  Old Notes not so tendered
could  be  adversely  affected.  See   "The  Exchange  Offer"  and  "Old   Notes
Registration Rights."
 
SUBSTANTIAL LEVERAGE AND DEBT SERVICE OBLIGATIONS
 
    The  Company is highly leveraged and has indebtedness that is substantial in
relation to  its  stockholder's equity.  As  a  result of  the  Financing  Plan,
including  the Old  Notes Offering  and PRI's  payment of  a portion  of the net
proceeds therefrom as a dividend to Group, the Company's aggregate  indebtedness
for  borrowed money and interest expense  increased and its stockholder's equity
decreased. At May  31, 1996,  the Company had  outstanding approximately  $111.3
million  in aggregate  principal amount  of indebtedness  outstanding (excluding
trade payables and  other accrued  liabilities) and a  stockholder's deficit  of
approximately  $13.7 million. See "Capitalization."  In addition, subject to the
restrictions in the Senior  Credit Facility and the  Indenture, the Company  may
incur  additional indebtedness  from time  to time  to finance  working capital,
capital expenditures, acquisitions or for other purposes. In fiscal 1995 and pro
forma 1996, PRI's earnings  were inadequate to cover  its fixed charges by  $5.5
million and $406,000, respectively.
 
    The  level  of  the  Company's indebtedness  has  important  consequences to
holders of the Notes, including: (i) a substantial portion of the Company's cash
flow from operations must be dedicated to debt service and will not be available
for other  purposes,  (ii)  the  Company's ability  to  obtain  additional  debt
financing  in  the future  for  working capital,  capital  expenditures, general
corporate purposes or  other purposes  may be impaired,  (iii) PRI's  borrowings
under  the Senior Credit Facility are at floating rates of interest, which could
result in higher interest expense in the event of an increase in interest rates,
(iv) the Indenture and  the Senior Credit Facility  contain financial and  other
restrictive  covenants that  could limit  the Company's  operating and financial
flexibility and, if  violated, would result  in an event  of default that  could
preclude  the Company's access to credit under such facility or otherwise have a
material adverse  effect on  the Company,  and (v)  the level  of the  Company's
indebtedness  could limit its flexibility in reacting to changes in its industry
and economic conditions generally.
 
RESTRICTIVE COVENANTS
 
    The Indenture restricts, among other things, the Company's ability to  incur
additional  indebtedness,  incur  liens,  pay dividends  or  make  certain other
restricted  payments,  consummate  certain  asset  sales,  enter  into   certain
transactions  with affiliates, merge or consolidate with any other person, sell,
assign, transfer, lease, convey or otherwise dispose of substantially all of the
assets of the  Company or  engage in  new lines  of business.  In addition,  the
Senior  Credit  Facility  contains  other  and  more  restrictive  covenants and
prohibits PRI from  prepaying other indebtedness.  See "Description of  Exchange
Notes  -- Certain  Covenants" and  "Description of  Certain Indebtedness  -- The
Senior Credit  Facility."  The  Senior  Credit Facility  also  requires  PRI  to
maintain  specified  financial ratios  and  satisfy certain  financial condition
tests. PRI's ability to meet such financial ratios and tests can be affected  by
events beyond its control, and there can be no
 
                                       12
<PAGE>
assurance  that PRI will meet  such tests. Although there  can be no assurances,
the Company anticipates that its  operating cash flow, together with  borrowings
under  the  Senior Credit  Facility, will  be sufficient  to meet  its operating
expenses, projected capital expenditures and  debt service requirements as  they
become due.
 
ABILITY TO REALIZE ON COLLATERAL; NO ASSURANCE AS TO VALUE OF ASSETS
 
    The   Notes  are  secured   by  certain  equipment,   fixtures  and  general
intangibles, and mortgages on substantially all of the owned and certain of  the
leased  real property of the Company, and proceeds of the foregoing. The ability
of the holders of the Notes to  realize upon such Collateral may be limited  and
subject  to  substantial delays.  In an  Event  of Default  (as defined)  by the
Company, before the Trustee or the holders  of the Notes can take possession  of
or  sell any Collateral, the  Trustee and the holders of  the Notes will have to
comply with all applicable state  judicial or non-judicial foreclosure and  sale
laws.  Such laws may include cure  provisions, mandatory sale notice provisions,
manner of sale provisions and redemption period provisions. These provisions may
significantly increase the time associated with taking possession or the sale of
any  Collateral.  Failure  to  comply  with  such  provisions  could  void   the
foreclosure on or sale of any Collateral.
 
    The Company's manufacturing facility in Kansas City, Missouri is leased. The
lien  on such leasehold interest granted in favor of the holders of the Notes is
subject to the terms of the lease  and the rights of the landlord thereunder  in
the  event of a breach of the lease, including the landlord's right to terminate
the lease. If the lease is terminated, the Company would lose possession of  the
leasehold  property and its  ability to conduct operations  on the premises, and
the lien granted to the  Trustee, for the benefit of  the holders of the  Notes,
would be extinguished. The Trustee has no obligation under the Indenture to cure
any  such  breach unless  so  instructed by  the holders  of  a majority  of the
outstanding Notes. There can, therefore, be no assurance that any default  under
the  lease will be  timely cured, or that  the lease will  not be terminated, in
which event,  the lien  on such  Collateral would  be lost.  Further, the  lease
contains  restrictions on assignment which may affect the ability of the Trustee
to dispose of the Collateral following a foreclosure. Finally, if the Company or
the landlord were to  become the debtor in  a bankruptcy proceeding, the  leases
could  be rejected, which  may result in  the loss of  the leasehold interest as
Collateral, or could be assumed and assigned.
 
   
    The Notes are not secured  by certain other assets  of the Company, such  as
accounts receivable, raw materials and finished goods inventory, proceeds of any
of  the foregoing or cash. To the extent  that the Company grants a lien on such
assets to secure other indebtedness, the Notes will be effectively  subordinated
to the claims of holders of such other indebtedness with respect to such assets.
The  Company has granted a first priority lien on all of its accounts receivable
and raw materials and finished  goods inventory, including proceeds thereof,  to
the  lenders under the Senior Credit Facility. In  the event of a default on the
Notes, or  a bankruptcy,  liquidation  or reorganization  of the  Company,  such
assets will be available to satisfy obligations with respect to the indebtedness
secured  thereby before any payment therefrom could be made on the Notes. To the
extent that  the  value of  such  collateral  granted under  the  Senior  Credit
Facility  is  not  sufficient  to satisfy  the  obligations  thereunder, amounts
remaining outstanding  on such  indebtedness  would be  entitled to  share  with
holders  of  the  Notes  and  other  claims  on  the  Company  with  respect  to
unencumbered assets of the Company. At May 31, 1996, no amounts were outstanding
under the Senior Credit Facility and  the Company had outstanding $20.0  million
in  unused  secured borrowing  capacity thereunder.  In addition,  the Indenture
provides that  the  lenders under  an  Acquisition Financing  Facility  will  be
entitled  to share, on a PARI PASSU  basis, in any proceeds from any foreclosure
upon the  Collateral. To  the extent  that PRI  has outstanding  obligations  to
lenders  under an Acquisition Financing Facility, amounts realized by holders of
the Notes  in respect  thereof  will be  reduced.  See "Description  of  Certain
Indebtedness  -- The Senior Credit Facility"  and "Description of Exchange Notes
- -- Security."
    
 
CERTAIN BANKRUPTCY CONSIDERATIONS
 
    The ability of the holders of the Notes to realize upon the Collateral  will
be subject to certain bankruptcy law limitations in the event of a bankruptcy of
PRI.  Under applicable federal bankruptcy laws, secured creditors are prohibited
from repossessing their  security from a  debtor in a  bankruptcy case, or  from
disposing  of security repossessed from such  a debtor, without bankruptcy court
approval. Moreover,  applicable federal  bankruptcy  laws generally  permit  the
debtor  to continue to  retain collateral even  though the debtor  is in default
under the  applicable  debt instruments,  provided  generally that  the  secured
creditor is
 
                                       13
<PAGE>
given  "adequate protection." The meaning of  the term "adequate protection" may
vary according to the circumstances, but  is intended in general to protect  the
value  of the secured creditor's interest  in the collateral at the commencement
of the  bankruptcy  case  and may  include  cash  payments or  the  granting  of
additional  security,  if and  at  such times  as  the court  in  its discretion
determines, for any diminution in the value of the collateral as a result of the
stay of repossession or disposition of  the collateral by the debtor during  the
pendency  of the bankruptcy case. In view of the lack of a precise definition of
the  term  "adequate  protection"  and  the  broad  discretionary  powers  of  a
bankruptcy  court, the Company  cannot predict whether  payments under the Notes
would be made following commencement of and during a bankruptcy case, whether or
when the Trustee could foreclose  upon or sell the  Collateral or whether or  to
what  extent holders of the Notes would  be compensated for any delay in payment
or loss  of  value  of  the Collateral  through  the  requirement  of  "adequate
protection."  Furthermore, in the event the bankruptcy court determines that the
value of the Collateral is not sufficient to repay all amounts due on the Notes,
the holders of the  Notes would hold  "undersecured claims." Applicable  federal
bankruptcy  laws do not permit the payment and/or accrual of interest, costs and
attorney's fees for "undersecured claims"  during the debtor's bankruptcy  case.
See "Description of Exchange Notes -- Security."
 
RELIANCE ON KEY CUSTOMERS AND SUPPLY AGREEMENTS
 
    The  Company's business  is substantially dependent  on a  limited number of
customers. In fiscal  1996, the  Company's ten largest  customers accounted  for
approximately  77.7% of its total net sales. PRI's largest customers are General
Mills (including Yoplait), Dannon and Ross Labs, which represented approximately
21.9%, 18.7%  and 15.2%,  respectively, of  the Company's  total net  sales  for
fiscal 1996. During fiscal 1996, no customer other than General Mills, Dannon or
Ross  Labs accounted for  more than 4.7%  of the Company's  total net sales. The
loss of a  substantial customer,  or a  significant reduction  in its  business,
could  have  a  material adverse  effect  on the  Company's  business, financial
condition and results of  operations. Sales to each  of the Company's  customers
are  dependent on  the Company's ability  to manufacture  products of acceptable
quality that meet the customer's specifications and to deliver such products  on
a timely basis. Sales to each of the Company's customers are also subject to the
level  of consumer  demand for  such customers'  products for  which the Company
manufactures containers. Although management does not expect the Company to lose
or suffer a significant reduction in  business from any of its large  customers,
there  can be no assurance that  it will not suffer such  a loss or reduction in
the future. See "Business -- Products and Customers."
 
    A substantial  portion of  the  Company's sales  to its  largest  customers,
including  Yoplait, Dannon and Ross Labs, are made pursuant to multi-year supply
agreements. Supply agreements accounting for 21% and 20% of the Company's  total
net  sales  in fiscal  1996 are  scheduled to  expire in  fiscal 1997  and 1998,
respectively. While the Company  anticipates that, upon  expiration, it will  be
able  to extend or  renew its existing  supply agreements with  its customers on
terms no less favorable to the Company,  no assurance can be given that it  will
be able to do so.
 
EXPOSURE TO FLUCTUATIONS IN RESIN COST AND SUPPLY
 
    The  Company uses various plastic resins in the manufacture of its products.
For fiscal 1996, the aggregate cost for such resins was $46.4 million, or  41.7%
of  the  Company's  total  cost  of goods  sold.  Under  supply  agreements with
customers that accounted  for approximately 57%  of the Company's  net sales  in
fiscal  1996, the Company has the ability  to pass through resin price increases
(as well as the obligation to credit any resin price decreases). In the case  of
sales  which  are  not  made  pursuant  to  supply  agreements  containing  such
pass-through provisions, the  Company historically  has passed  on increases  in
resin  prices (as well  as decreases in  resin prices) to  its customers through
price adjustments.  Sales prices  for promotional  beverage cups  are  generally
determined  in advance  of a promotion  and, accordingly, the  Company bears the
risk of resin  price increases  while producing such  products. Because  plastic
resin  is  the  principal component  in  the Company's  products,  the Company's
financial performance is materially dependent on its ability to pass resin price
increases on to  its customers  through contractual  arrangements or  otherwise.
Plastic  resin  prices are  subject to  fluctuations due,  in part,  to industry
capacity, consumption levels of resins and  changes in the cost of feed  stocks.
Although  the  Company  will  continue  to  have  the  benefit  of  resin  price
pass-through provisions  under  its  supply  agreements  for  so  long  as  such
agreements  remain in effect, there can be no assurance that it will continue to
be  able  to  effect  such  a  pass-through  under  contractual  agreements   or
 
                                       14
<PAGE>
otherwise  in  the  future.  In  addition, there  can  be  no  assurance  that a
significant increase in resin prices  would not negatively impact the  Company's
existing  business or future business opportunities, including those relating to
the potential conversion from the glass, metal and composite containers to rigid
plastic, and thereby have a material  adverse effect on the Company's  business,
financial  condition and  results of operations.  See "Business  -- Products and
Customers."
 
    The Company purchases one  of several of the  resins required for the  shelf
stable,  multi-layer containers that  it manufactures for  Ross Labs exclusively
from Exxon Corporation ("Exxon"). During  fiscal 1996, these products  accounted
for  approximately 14.5% of the Company's total net sales. The Company's current
supply agreement with Ross  Labs requires that PRI  obtain such resin from  this
single  source,  and  management is  unaware  of any  alternative  supplier that
manufactures such resin which  conforms to the  specifications required by  Ross
Labs.  The  Company has  relied on  Exxon as  the sole  source supplier  of this
particular resin since it began manufacturing products for Ross Labs in 1991 and
has no reason to believe that Exxon will not continue to supply the Company with
this resin.  However, there  can be  no assurance  that Exxon  will be  able  to
continue  to supply the Company with adequate  amounts of this resin on a timely
basis in the future to allow the Company to meet its production requirements for
Ross Labs  containers. The  loss  of Exxon  as  a supplier  or  a delay  in  its
shipments  could  have  a material  adverse  effect on  the  Company's business,
financial condition and results of operations. As is customary in its  industry,
PRI  maintains a renewable one-year supply contract with Exxon. This contract is
scheduled to expire on February 28, 1997.
 
    The Company believes that  alternative sources are  available for its  other
resin requirements. However, should any of the Company's resin suppliers fail to
deliver  under their arrangements, the Company would be forced to purchase resin
in the open market, and no assurances can be given that it would be able to make
such purchases at prices which would allow it to remain competitive.
 
RISKS ASSOCIATED WITH PROMOTIONAL BEVERAGE CUP BUSINESS
 
    The Company  significantly expanded  its promotional  beverage cup  business
with the acquisitions of Louisiana Plastics in March 1993 and Miner Container in
December  1993. Promotional beverage cups represented approximately 17.2% of the
Company's total  net  sales in  fiscal  1996. Unlike  the  Company's  customized
container  products, which are sold primarily under multi-year supply agreements
that generally require the customer to provide the Company with forecasts of its
container requirements, the  Company's promotional beverage  cups typically  are
sold  pursuant  to one-time  purchase orders.  In  many instances,  these orders
involve large quantities and  mandate specific delivery  times as the  Company's
promotional  beverage cups often are used in connection with extensive marketing
or promotional  campaigns that  are national  in  scope and  are tied  to  movie
releases  or  sporting  events.  While  orders  for  promotional  beverage  cups
historically are highest in the spring and summer months, the predictability  of
the  timing and volume of such orders is limited. There can be no assurance that
the Company will not experience a  temporary or extended shortage of orders  for
these  products  which could  have a  material adverse  effect on  the Company's
business, financial condition and results of operations.
 
    Management believes that the  use of plastic  promotional beverage cups  has
grown  dramatically  in recent  years  and that  this  growth is  in  large part
attributable to the emergence  of such cups as  a featured element of  marketing
and  advertising campaigns for major fast-food and beverage companies. There can
be no assurance as to the extent, if any, that fast-food and beverage companies,
the Company's principal customers for  promotional beverage cups, will  continue
to employ such cups as part of their marketing and advertising strategies.
 
COMPETITION
 
    Most of the Company's products are sold in highly competitive markets in the
United  States. The Company  competes with a significant  number of companies of
varying sizes, including divisions or  subsidiaries of larger companies, on  the
basis of price, service, quality and the ability to supply products to customers
in  a timely manner.  A number of  the Company's competitors  have financial and
other resources  that  are substantially  greater  than those  of  the  Company.
Competitive  pressures or other factors could cause the Company to lose existing
business  or  opportunities  to  generate  new  business  or  could  result   in
significant  price erosion, all of which would have a material adverse effect on
the Company's  business,  financial condition  and  results of  operations.  See
"Business -- Competition."
 
                                       15
<PAGE>
RISK OF INABILITY TO FINANCE A CHANGE OF CONTROL OFFER
 
    Upon  the occurrence of a Change of Control, the Company will be required to
make an offer to purchase all of the outstanding Notes at a price equal to  101%
of the principal amount thereof plus accrued and unpaid interest, if any, to the
date  of repurchase.  The Senior Credit  Facility prohibits the  purchase of the
Notes by the Company in the event of a Change of Control, unless and until  such
time  as the indebtedness  under the Senior  Credit Facility is  repaid in full.
PRI's failure  to  purchase  the Notes  would  result  in a  default  under  the
Indenture   and  the  Senior  Credit  Facility.   The  inability  to  repay  the
indebtedness under  the  Senior  Credit Facility,  if  accelerated,  would  also
constitute  an event  of default under  the Indenture, which  could have adverse
consequences to the  Company and the  holders of the  Notes. In the  event of  a
Change  of  Control, there  can  be no  assurance  that the  Company  would have
sufficient assets to  satisfy all  of its  obligations under  the Senior  Credit
Facility  and the Notes.  See "Description of  Exchange Notes--Repurchase at the
Option  of   Holders--Change   of   Control"   and   "Description   of   Certain
Indebtedness--The Senior Credit Facility."
 
CONTROL BY HOWARD P. HOEPER AND CERTAIN INTERESTS OF AFFILIATES
 
    Mr. Hoeper indirectly owns all of the outstanding shares of capital stock of
Group  and is the Chairman,  Chief Executive Officer and  President of Group and
PRI. As a result of the foregoing, Mr. Hoeper will continue to have control over
the day-to-day management  policies and  corporate affairs of  the Company.  PRI
historically  has paid and will continue to  pay certain management fees to HPH,
which owns all of the presently outstanding shares of capital stock of Group and
is, in turn, wholly-owned by Mr. Hoeper. See "Certain Transactions -- Management
Agreement."
 
    Apollo owns Warrants to purchase 27,500 shares of common stock of Group  (or
29.3%  of the outstanding common stock of Group, assuming exercise of all of the
Warrants). Under a Stock and Warrant Holders Agreement dated as of June 30, 1993
(the "Stockholders Agreement"), Apollo has the right, which it has exercised, to
appoint two directors to the five person  Boards of Directors of Group and  PRI,
with  Mr. Hoeper, by virtue of his ownership of HPH, having the power to appoint
the remaining  directors.  Group  has  agreed that  it  will  not  take  certain
corporate  actions or make  material changes in  its line of  business (and will
cause PRI  to  refrain from  taking  such  actions), unless  authorized  by  the
affirmative  vote of the directors appointed  by Apollo. See "Security Ownership
of Certain Beneficial Owners and Management" and "Certain Transactions --  Stock
and Warrant Holders Agreement and Option."
 
    Certain  decisions concerning the  operations or financial  structure of the
Company may present conflicts  of interest between the  owners of the  Company's
equity  and the  holders of  the Notes. For  example, if  the Company encounters
financial difficulties  or  is unable  to  pay its  debts  as they  mature,  the
interests  of the  Company's equity investors  might conflict with  those of the
holders of Notes.  In addition, such  equity investors may  have an interest  in
pursuing  acquisitions, divestitures,  financings or other  transactions that in
their  judgment  would  enhance  their  equity  investment,  even  though   such
transactions might involve risks to the holders of the Notes.
 
ENVIRONMENTAL MATTERS
 
    Federal, state and local governments or regulatory agencies could enact laws
or  regulations  concerning  environmental  matters that  increase  the  cost of
producing, or otherwise adversely affect  the demand for, plastic products.  The
Company  is  aware  that  certain  local  governments  have  adopted  ordinances
prohibiting or restricting the use or disposal of certain plastic products  that
are  among the types of products manufactured by the Company. If widely adopted,
such regulatory and environmental measures  or a decline in consumer  preference
for  plastic products due to environmental  considerations could have a material
adverse effect upon the Company's  business, financial condition and results  of
operations.  In addition,  certain of  the Company's  operations are  subject to
federal,  state  and  local  environmental  laws  and  regulations  that  impose
limitations  on the discharge of pollutants into the air and water and establish
standards for the treatment, storage and disposal of solid and hazardous wastes.
While the Company has not been required historically to make significant capital
expenditures  in  order  to  comply  with  applicable  environmental  laws   and
regulations,  in the future the Company may have to make capital expenditures in
excess of current estimates because of continually changing compliance standards
and  environmental  technology.  Furthermore,  unknown  contamination  of  sites
currently  or formerly owned or operated by the Company (including contamination
caused by
 
                                       16
<PAGE>
prior owners and  operators of such  sites) and off-site  disposal of  hazardous
substances  may give rise  to additional compliance costs.  The Company does not
have insurance coverage  for environmental liabilities  and does not  anticipate
obtaining  such coverage in  the future. See  "Business -- Environmental Matters
and Governmental Regulation."
 
GOVERNMENT REGULATION
 
    The Company is subject to federal and state government regulation, including
regulation by the Food  and Drug Administration (the  "FDA"). The FDA  regulates
the material content of direct-contact food and beverage containers and packages
and  periodically examines the  Company's operations. The  Company uses approved
resins and pigments in its direct-contact food products and believes that it  is
in material compliance with all FDA and other regulations. While compliance with
FDA  and  other  governmental regulations  has  not  impeded the  growth  of the
Company's business, no assurances  can be made  that future regulatory  measures
will  not adversely  affect the  Company's existing  business or  its ability to
generate additional business or introduce new packaging products.
 
    The Company  also  must adhere  to  applicable regulations  governing  "good
manufacturing  practices," including testing, quality control, manufacturing and
documentation requirements. If violations of  such regulations are noted  during
inspections   of  the  Company's  manufacturing   facilities  by  public  health
regulatory officials,  the  Company  may  be required  or  may  elect  to  cease
manufacturing  until the violation is corrected  or to recall products that were
manufactured under improper conditions,  either of which  could have a  material
adverse  effect on the Company's continued marketing  of its products and on the
Company's business, financial condition and results of operations.
 
ABSENCE OF PUBLIC MARKET FOR THE EXCHANGE NOTES
 
    The Exchange Notes are being  offered to the holders  of the Old Notes.  The
Old  Notes were offered and sold in May  1996 to a small number of institutional
investors and are  eligible for  trading in  the Private  Offerings, Resale  and
Trading through Automatic Linkages (PORTAL) Market.
 
    The  Company does not intend to apply for a listing of the Exchange Notes on
any securities  exchange.  There is  currently  no established  market  for  the
Exchange Notes and there can be no assurance as to the liquidity of markets that
may  develop for the Exchange Notes, the  ability of the holders of the Exchange
Notes to sell their Exchange Notes or  the price at which such holders would  be
able  to sell their Exchange Notes. If  such markets were to exist, the Exchange
Notes could trade at  prices that may  be lower than  the initial market  values
thereof  depending  on many  factors, including  prevailing interest  rates, the
markets for similar securities,  and the financial  performance of the  Company.
Although  there  is currently  no  market for  the  Exchange Notes,  the Initial
Purchasers advised the Company  that they currently intend  to make a market  in
the  Exchange Notes. However, the Initial Purchasers are not obligated to do so,
and  any  such  market  making  with  respect  to  the  Exchange  Notes  may  be
discontinued  at  any  time  without  notice.  In  addition,  such market-making
activities will be subject to the limits  imposed by the Securities Act and  the
Exchange  Act and may be limited during the Exchange Offer or the pendency of an
applicable Shelf Registration Statement (as defined herein).
 
    In addition, the liquidity of, and trading markets for, Exchange Notes  also
may  be adversely affected by  declines in the market  for high yield securities
generally. Such  a  decline may  adversely  affect such  liquidity  and  trading
markets  independent of  the financial  performance of,  and prospects  for, the
Company.
 
FRAUDULENT CONVEYANCE
 
    The  incurrence  by   PRI  of  indebtedness,   including  the   indebtedness
represented  by the  Notes, and  the granting  by PRI  of Liens  (as defined) to
secure indebtedness, including  the Liens  granted on the  Collateral under  the
Security  Documents (as defined) to  secure the Notes, are  subject to state and
federal fraudulent conveyance laws.  If a court of  competent jurisdiction in  a
lawsuit  by an unpaid creditor or representative  of creditors of PRI, such as a
trustee in bankruptcy or a debtor-in-possession,  were to find (i) that, at  the
time  of the  incurrence of  the indebtedness  represented by  the Notes  or the
granting of the  Liens securing  the Notes  (or, in  certain circumstances,  the
indebtedness refinanced by the Notes), PRI was insolvent, was rendered insolvent
by reason of such incurrence, was engaged in a business or transaction for which
its  remaining  assets constituted  unreasonably small  capital, or  intended to
incur, or believed it would incur, debts beyond
 
                                       17
<PAGE>
its ability to pay  such debts as  they matured, and  that the indebtedness  was
incurred   for  less  than  reasonably  equivalent   value,  or  (ii)  that  the
indebtedness represented by  the Notes was  incurred or the  Liens securing  the
Notes were granted with actual intent to hinder, delay or defraud its creditors,
then  such court could, among  other things, (a) void all  or a portion of PRI's
obligations to the holders of  the Notes and/or the  Liens on the Collateral  or
seek  to recover all or a portion of  any payments previously made in respect of
the Notes, the effect of which could be that the holders of the Notes may not be
repaid in full and/or  (b) subordinate PRI's obligations  to the holders of  the
Notes  to other  existing or future  indebtedness of PRI  and/or subordinate the
Liens on the Collateral to other existing  or future Liens, the effect of  which
would  be to entitle such other creditors to  be paid in full before any payment
could be made on the Notes.
 
    The measure of insolvency for purposes of the foregoing will vary  depending
upon  the law of the  jurisdiction being applied. Generally,  an entity would be
considered  insolvent  (a)  if  the  sum  of  its  debts  (including  contingent
liabilities)  is greater than all of its property at a fair valuation, or (b) if
the present fair saleable value of its assets is less than the amount that  will
be  required  to pay  its probable  liability on  its existing  debts (including
contingent liabilities) as they become absolute and matured. In addition,  under
some  state fraudulent transfer laws, an entity that is generally not paying its
debts as they become due is presumed to be insolvent. The Company believes  that
the  indebtedness represented by the  Notes is being incurred,  and the Liens on
the Collateral are  being granted,  for proper purposes  and in  good faith  and
that,  based  on  present  forecasts and  other  financial  information,  PRI is
solvent, will continue to have sufficient  capital to carry on its business  and
will  continue to  be able  to pay  its debts  as they  mature. Furthermore, the
Company  believes  that  the  proceeds  from  the  issuance  of  the  Old  Notes
constituted  reasonably equivalent value or  consideration for the incurrence of
the indebtedness represented by the Notes and  the granting of the Liens on  the
Collateral. There can be no assurance, however, that a court would not determine
that  PRI was insolvent at the time and after giving effect to the incurrence of
the indebtedness represented by the Notes. Nor can there be any assurance  that,
regardless  of  whether  PRI was  solvent,  the incurrence  of  the indebtedness
represented by the Notes and the granting  of the Liens on the Collateral  would
not constitute fraudulent transfers under any other criterion listed above.
 
                                USE OF PROCEEDS
 
    There  will be no cash  proceeds to the Company  resulting from the Exchange
Offer.
 
    The net proceeds from the Old Notes Offering of approximately $106.7 million
were used  by PRI  to (i)  repay  outstanding borrowings  under the  Old  Credit
Agreement  in  the aggregate  principal  amount of  $73.5  million, (ii)  fund a
dividend to Group in  the amount of  $31.7 million, (iii)  pay certain fees  and
expenses  in connection  with the Financing  Plan of  approximately $850,000 and
(iv) provide working capital of approximately $650,000. Group, in turn, used the
dividend from  PRI to  redeem, without  penalty  or premium,  a portion  of  the
outstanding 12.5% Notes at an aggregate redemption price of $31.7 million. As of
February  29,  1996,  HPH,  certain  affiliates  of  Apollo  and  Union  Bank of
Switzerland, New York Branch ("Union  Bank of Switzerland"), held $3.0  million,
$33.0  million  and  $12.0  million  in principal  amount  of  the  12.5% Notes,
respectively. After giving  effect to the  redemption of the  12.5% Notes,  HPH,
Apollo  and Union Bank of  Switzerland had $1.2 million,  $13.0 million and $4.8
million,  respectively,  of  the  12.5%  Notes.  See  "Certain  Transactions  --
Repayment of Debt to Related Parties."
 
    As  of February 29, 1996, borrowings  under the Old Credit Agreement totaled
$75.7 million (of  which $2.25 million  was paid on  March 31, 1996)  and had  a
weighted average maturity of 1.2 years. Indebtedness repaid under the Old Credit
Agreement  accrued interest at a variable rate equal to the Base Rate (generally
defined as the prime lending rate from  time to time announced by Union Bank  of
Switzerland)  plus 1.5%.  As of  February 29,  1996, indebtedness  under the Old
Credit  Agreement  accrued  interest  at  9.75%  per  annum.  See  "Management's
Discussion  and Analysis  of Financial  Condition and  Results of  Operations --
Liquidity and Capital Resources."
 
                                       18
<PAGE>
    The following table  illustrates the  sources and  uses of  funds under  the
Financing Plan:
 
<TABLE>
<CAPTION>
                                                                                              AMOUNT
                                                                                           -------------
                                                                                                (IN
                                                                                            THOUSANDS)
<S>                                                                                        <C>
SOURCES OF FUNDS:
Notes....................................................................................   $   110,000
                                                                                           -------------
  Total Sources..........................................................................   $   110,000
                                                                                           -------------
                                                                                           -------------
USES OF FUNDS:
Repayment of indebtedness under Old Credit Agreement.....................................   $    73,500
Dividend to Group(a).....................................................................        31,700
Fees and expenses(b).....................................................................         4,150
Working capital..........................................................................           650
                                                                                           -------------
  Total Uses.............................................................................   $   110,000
                                                                                           -------------
                                                                                           -------------
</TABLE>
 
- ------------------------
(a) Dividend  proceeds were used by Group to redeem, without penalty or premium,
    a portion of the 12.5% Notes.
 
(b) Includes the discount paid to the Initial Purchasers in connection with  the
    issuance  of the  Old Notes,  bank financing  fees and  legal and accounting
    expenses.
 
                               THE EXCHANGE OFFER
 
PURPOSE OF THE EXCHANGE OFFER
 
    The sole purpose of the Exchange Offer is to fulfill the obligations of  the
Company with respect to the registration of the Old Notes.
 
    The  Old Notes were originally  issued and sold on  May 17, 1996 (the "Issue
Date"). Such sales were not registered under the Securities Act in reliance upon
the exemption  provided by  Section 4(2)  of the  Securities Act  and Rule  144A
promulgated  under the Securities  Act. In connection  with the sale  of the Old
Notes, the Company agreed to file  with the Commission a registration  statement
relating  to the Exchange Offer pursuant to which the Exchange Notes, consisting
of another  series  of senior  secured  notes of  the  Company covered  by  such
Registration  Statement and containing substantially  identical terms to the Old
Notes, except as set forth in this Prospectus, would be offered in exchange  for
Old  Notes tendered at the option of the  holders thereof. If (i) because of any
change in  law or  in currently  prevailing interpretations  of the  Staff,  the
Company is not permitted to effect an Exchange Offer, (ii) the Exchange Offer is
not   consummated  within  165  days  of   the  Issue  Date,  (iii)  in  certain
circumstances, certain holders of unregistered  Exchange Notes so request,  (iv)
the  holders of not  less than a  majority in aggregate  principal amount of the
Notes reasonably determine that the interests  of the holders of Notes would  be
materially  adversely affected by  consummation of the Exchange  Offer or (v) in
the case of any  holder of Old  Notes that participates  in the Exchange  Offer,
such  holder of  Old Notes does  not receive Exchange  Notes on the  date of the
exchange that may be sold without restriction under state and federal securities
laws (other than  due solely to  the status of  such holder of  Old Notes as  an
Affiliate  of the  Company) then  the Company  will, within  three Business Days
thereof, deliver  written notice  thereof to  the Trustee  and at  its cost,  as
promptly  as practicable, file with the Commission a registration statement (the
"Shelf Registration Statement") to cover resales of the Old Notes. In the  event
that  (i)  the  Company  fails  to file  the  Registration  Statement,  (ii) the
Registration Statement or, if applicable,  the Shelf Registration Statement,  is
not  declared effective by  the Commission, or  (iii) the Exchange  Offer is not
consummated or the Shelf Registration Statement ceases to be effective, in  each
case  within specified time  periods, the interest  rate borne by  the Old Notes
will be increased. See "Old Notes Registration Rights."
 
TERMS OF THE EXCHANGE
 
    The Company hereby  offers to exchange,  upon the terms  and subject to  the
conditions  set forth herein  and in the Letter  of Transmittal accompanying the
Registration Statement  of which  this  Prospectus is  a  part (the  "Letter  of
Transmittal"),  $1,000 in principal amount of  Exchange Notes for each $1,000 in
principal amount of Old Notes. The terms of the Exchange Notes are substantially
identical to the terms of the Old
 
                                       19
<PAGE>
Notes for which they  may be exchanged pursuant  to this Exchange Offer,  except
that  the  Exchange  Notes  will generally  be  freely  transferable  by holders
thereof, and the holders of the Exchange Notes (as well as remaining holders  of
any  Old  Notes) are  not entitled  to certain  registration rights  and certain
additional interest provisions which are applicable  to the Old Notes under  the
Registration Rights Agreement. The Exchange Notes will evidence the same debt as
the  Old  Notes and  will  be entitled  to the  benefits  of the  Indenture. See
"Description of Exchange Notes."
 
    The Exchange Offer is not  conditioned upon any minimum aggregate  principal
amount of Old Notes being tendered or accepted for exchange. The Company intends
to  conduct the Exchange Offer in accordance with the applicable requirements of
the Exchange Act, and  the rules and regulations  of the Commission  thereunder,
including Rule 14e-1, to the extent applicable.
 
    Based  on its view of interpretations  set forth in no-action letters issued
by the Staff to third parties,  the Company believes that Exchange Notes  issued
pursuant  to the Exchange Offer in exchange for the Old Notes may be offered for
resale, resold  and otherwise  transferred by  holders thereof  (other than  any
holder  which  is (i)  an Affiliate  of  the Company,  (ii) a  broker-dealer who
acquired Old  Notes directly  from  the Company  or  (iii) a  broker-dealer  who
acquired  Old Notes as  a result of  market making or  other trading activities)
without compliance with the registration  and prospectus delivery provisions  of
the  Securities  Act  provided that  such  Exchange  Notes are  acquired  in the
ordinary course of such holders' business, and such holders are not engaged  in,
and  do not intend to  engage in, and have  no arrangement or understanding with
any person  to  participate in,  a  distribution  of such  Exchange  Notes.  Any
broker-dealer  that resells Exchange Notes that were  received by it for its own
account  pursuant  to  the  Exchange  Offer  and  any  broker  or  dealer   that
participates  in a distribution  of such Exchange  Notes may be  deemed to be an
"underwriter" within the  meaning of the  Securities Act and  any profit on  any
such resale of Exchange Notes and any commissions or concessions received by any
such  persons may be deemed to be underwriting compensation under the Securities
Act. Each  broker-dealer  that  receives  Exchange Notes  for  its  own  account
pursuant  to  the  Exchange  Offer  must  acknowledge  that  it  will  deliver a
prospectus in connection with any resale  of such Exchange Notes. The Letter  of
Transmittal  states that by so acknowledging,  and by delivering a prospectus, a
broker-dealer will not be deemed to admit that it is an "underwriter" within the
meaning of the Securities Act. Broker-dealers who acquired Old Notes as a result
of market  making  or other  trading  activities  may use  this  Prospectus,  as
supplemented  or amended, in connection with  resales of the Exchange Notes. The
Company has  agreed  that, for  a  period of  180  days after  the  Registration
Statement  is declared effective, it will  make this Prospectus available to any
broker-dealer for use in connection with any such resale. Any holder who tenders
in the Exchange Offer for the purpose of participating in a distribution of  the
Exchange  Notes or any  other holder that cannot  rely upon such interpretations
must comply with the  registration and prospectus  delivery requirements of  the
Securities Act in connection with a secondary resale transaction.
 
    Tendering  holders  of  Old Notes  will  not  be required  to  pay brokerage
commissions  or  fees  or,  subject  to  the  instructions  in  the  Letter   of
Transmittal,  transfer  taxes with  respect  to the  exchange  of the  Old Notes
pursuant to the Exchange Offer.
 
    The Exchange Notes  will bear  interest from May  17, 1996.  Holders of  Old
Notes  whose Old Notes are  accepted for exchange will  be deemed to have waived
the right to receive any payment in respect of interest on the Old Notes accrued
from May 17, 1996 to the date of the issuance of the Exchange Notes. Interest on
the Exchange Notes is payable semiannually in  arrears on May 1, and November  1
of  each year, commencing November 1, 1996, accruing from May 17, 1996 at a rate
of 11 5/8% per annum.
 
EXPIRATION DATE; EXTENSIONS; TERMINATION; AMENDMENTS
 
   
    The Exchange  Offer expires  on the  Expiration Date.  The term  "Expiration
Date"  means 5:00  p.m., New York  City time,  on September 20,  1996 unless the
Company in its  sole discretion  extends the  period during  which the  Exchange
Offer  is open, in which event the  term "Expiration Date" means the latest time
and date on which the  Exchange Offer, as so  extended by the Company,  expires.
The Company reserves the right to extend the Exchange Offer at any time and from
time  to time prior to  the Expiration Date by  giving written notice to LaSalle
National  Bank  (the  "Exchange  Agent")  and  by  timely  public   announcement
communicated  by no later than 5:00 p.m.  on the next business day following the
Expiration Date, unless otherwise
    
 
                                       20
<PAGE>
required by applicable law or regulation, by  making a release to the Dow  Jones
News  Service.  During  any  extension  of the  Exchange  Offer,  all  Old Notes
previously tendered pursuant to  the Exchange Offer will  remain subject to  the
Exchange Offer.
 
    The  initial  Exchange Date  will be  the first  business day  following the
Expiration Date. The Company expressly reserves  the right to (i) terminate  the
Exchange  Offer  and not  accept  for exchange  any  Old Notes  for  any reason,
including if any of the events set forth below under "Conditions to the Exchange
Offer" shall have occurred  and shall not  have been waived  by the Company  and
(ii)  amend the  terms of the  Exchange Offer  in any manner,  whether before or
after any tender of the Old Notes. If any such termination or amendment  occurs,
the  Company will notify the  Exchange Agent in writing  and will either issue a
press release or give written notice to the holders of the Old Notes as promptly
as practicable. Unless the Company terminates  the Exchange Offer prior to  5:00
p.m.,  New York City time, on the Expiration Date, the Company will exchange the
Exchange Notes for Old Notes on the Exchange Date.
 
    This Prospectus and  the related  Letter of Transmittal  and other  relevant
materials  will be mailed by the Company to record holders of Old Notes and will
be furnished to brokers, banks and similar persons whose names, or the names  of
whose  nominees, appear  on the lists  of holders for  subsequent transmittal to
beneficial owners of Old Notes.
 
HOW TO TENDER
 
    The tender to the Company of Old  Notes by a holder thereof pursuant to  one
of  the procedures  set forth  below will  constitute an  agreement between such
holder and  the  Company  in  accordance  with the  terms  and  subject  to  the
conditions set forth herein and in the Letter of Transmittal.
 
    GENERAL PROCEDURES
 
    A  holder of an Old Note may tender  the same by (i) properly completing and
signing the Letter of Transmittal or a facsimile thereof (all references in this
Prospectus to the Letter of Transmittal  shall be deemed to include a  facsimile
thereof)  and delivering the same, together with the certificate or certificates
representing the Old Notes being tendered and any required signature  guarantees
(or a timely confirmation of a book-entry transfer (a "Book-Entry Confirmation")
pursuant to the procedure described below), to the Exchange Agent at its address
set  forth on the  back cover of this  Prospectus on or  prior to the Expiration
Date or (ii) complying with the guaranteed delivery procedures described below.
 
    If tendered Old Notes are registered in the name of the signer of the Letter
of Transmittal and the Exchange Notes to  be issued in exchange therefor are  to
be  issued (and any untendered Old Notes are  to be reissued) in the name of the
registered holder, the signature of such  signer need not be guaranteed. In  any
other  case, the tendered Old  Notes must be endorsed  or accompanied by written
instruments of transfer in form satisfactory to the Company and duly executed by
the registered holder  and the  signature on  the endorsement  or instrument  of
transfer  must be  guaranteed by a  bank, broker, dealer,  credit union, savings
association,  clearing   agency  or   other  institution   (each  an   "Eligible
Institution")  that is  a member of  a recognized  signature guarantee medallion
program within  the meaning  of Rule  17Ad-15  under the  Exchange Act.  If  the
Exchange  Notes and/or Old Notes not exchanged are to be delivered to an address
other than that of the registered holder appearing on the note register for  the
Old  Notes, the signature on the Letter  of Transmittal must be guaranteed by an
Eligible Institution.
 
    Any beneficial owner whose Old Notes are registered in the name of a broker,
dealer, commercial bank, trust company or other nominee and who wishes to tender
Old Notes should contact such holder promptly and instruct such holder to tender
Old Notes on such beneficial owner's behalf. If such beneficial owner wishes  to
tender  such Old Notes himself, such  beneficial owner must, prior to completing
and executing the Letter  of Transmittal and delivering  such Old Notes,  either
make  appropriate arrangements  to register ownership  of the Old  Notes in such
beneficial owner's name or  follow the procedures  described in the  immediately
preceding  paragraph.  The transfer  of record  ownership may  take considerable
time.
 
    BOOK-ENTRY TRANSFER
 
    The Exchange Agent will make a request to establish an account with  respect
to the Old Notes at DTC (the "Book-Entry Transfer Facility") for purposes of the
Exchange  Offer within two  business days after receipt  of this Prospectus, and
any financial  institution that  is  a participant  in the  Book-Entry  Transfer
 
                                       21
<PAGE>
Facility's  systems may  make book-entry  delivery of  Old Notes  by causing the
Book-Entry Transfer  Facility  to transfer  such  Old Notes  into  the  Exchange
Agent's  account  at the  Book-Entry Transfer  Facility  in accordance  with the
Book-Entry  Transfer  Facility's  procedures  for  transfer.  However,  although
delivery  of  Old  Notes may  be  effected  through book-entry  transfer  at the
Book-Entry Transfer  Facility,  the Letter  of  Transmittal, with  any  required
signature  guarantees and  any other required  documents, must, in  any case, be
transmitted to and received  by the Exchange Agent  at the address specified  on
the  back cover  of this Prospectus  on or prior  to the Expiration  Date or the
guaranteed delivery procedures described below must be complied with.
 
    THE METHOD  OF DELIVERY  OF OLD  NOTES AND  ALL OTHER  DOCUMENTS IS  AT  THE
ELECTION  AND  RISK OF  THE  HOLDER. IF  SENT BY  MAIL,  IT IS  RECOMMENDED THAT
REGISTERED  MAIL,  RETURN  RECEIPT  REQUESTED,  BE  USED,  PROPER  INSURANCE  BE
OBTAINED, AND THE MAILING BE MADE SUFFICIENTLY IN ADVANCE OF THE EXPIRATION DATE
TO PERMIT DELIVERY TO THE EXCHANGE AGENT ON OR BEFORE THE EXPIRATION DATE.
 
    Unless  an  exemption  applies  under  the  applicable  law  and regulations
concerning "backup withholding" of federal  income tax, the Exchange Agent  will
be  required to withhold, and will withhold, 31% of the gross proceeds otherwise
payable to  a holder  pursuant to  the Exchange  Offer if  the holder  does  not
provide  a taxpayer  identification number  (social security  number or employer
identification number, as applicable) and  certify that such number is  correct.
Each  tendering holder should complete and sign  the main signature form and the
Substitute Form W-9  included as part  of the  Letter of Transmittal,  so as  to
provide the information and certification necessary to avoid backup withholding,
unless  an applicable exemption exists and is proved in a manner satisfactory to
the Company and the Exchange Agent.
 
    GUARANTEED DELIVERY PROCEDURES
 
    If a holder desires to accept the Exchange Offer and time will not permit  a
Letter  of  Transmittal or  Old Notes  to  reach the  Exchange Agent  before the
Expiration Date, a tender may be effected if the Exchange Agent has received  at
its  office listed on  the Letter of  Transmittal on or  prior to the Expiration
Date a letter, telegram or  facsimile transmission from an Eligible  Institution
setting forth the name and address of the tendering holder, the principal amount
of the Old Notes being tendered, the names in which the Old Notes are registered
and,  if possible, the certificate numbers of  the Old Notes to be tendered, and
stating that the tender is being made thereby and guaranteeing that within three
New York Stock Exchange trading days after the date of execution of such letter,
telegram or facsimile transmission by  the Eligible Institution, the Old  Notes,
in  proper form  for transfer,  will be  delivered by  such Eligible Institution
together with a properly completed and duly executed Letter of Transmittal  (and
any   other  required  documents).  Unless  Old  Notes  being  tendered  by  the
above-described method (or a timely Book-Entry Confirmation) are deposited  with
the  Exchange  Agent within  the  time period  set  forth above  (accompanied or
preceded by a properly  completed Letter of Transmittal  and any other  required
documents),  the Company  may, at  its option,  reject the  tender. Copies  of a
Notice of Guaranteed Delivery which may be used by Eligible Institutions for the
purposes described in this paragraph are available from the Exchange Agent.
 
    A tender  will be  deemed to  have been  received as  of the  date when  the
tendering  holder's  properly completed  and duly  signed Letter  of Transmittal
accompanied by the Old Notes (or  a timely Book-Entry Confirmation) is  received
by  the Exchange Agent.  Issuances of Exchange  Notes in exchange  for Old Notes
tendered pursuant to  a Notice  of Guaranteed  Delivery or  letter, telegram  or
facsimile  transmission to  similar effect  (as provided  above) by  an Eligible
Institution will be made only against deposit of the Letter of Transmittal  (and
any other required documents) and the tendered Old Notes (or a timely Book-Entry
Confirmation).
 
    All  questions  as to  the validity,  form,  eligibility (including  time of
receipt) and  acceptance  for  exchange of  any  tender  of Old  Notes  will  be
determined  by the Company,  whose determination will be  final and binding. The
Company reserves the absolute right to reject  any or all tenders not in  proper
form  or the acceptances for exchange of which may, in the opinion of counsel to
the Company, be unlawful. The Company also reserves the absolute right to  waive
any  of the conditions of the Exchange  Offer or any defect or irregularities in
tenders  of  any   particular  holder   whether  or  not   similar  defects   or
irregularities are waived in the case of other holders. Neither the Company, the
Exchange Agent nor any other person will be under
 
                                       22
<PAGE>
any  duty to give  notification of any  defects or irregularities  in tenders or
shall incur  any  liability for  failure  to  give any  such  notification.  The
Company's  interpretation  of the  terms and  conditions  of the  Exchange Offer
(including the Letter of Transmittal and the instructions thereto) will be final
and binding.
 
TERMS AND CONDITIONS OF THE LETTER OF TRANSMITTAL
 
    The Letter of Transmittal contains, among other things, the following  terms
and conditions, which are part of the Exchange Offer.
 
    The  party tendering  Old Notes  for exchange  (the "Transferor") exchanges,
assigns and transfers the Old Notes  to the Company and irrevocably  constitutes
and  appoints the Exchange Agent as  the Transferor's agent and attorney-in-fact
to cause the Old Notes to be assigned, transferred and exchanged. The Transferor
represents and  warrants  that  it  has full  power  and  authority  to  tender,
exchange,  assign  and transfer  the  Old Notes  and  to acquire  Exchange Notes
issuable upon the exchange of such tendered  Old Notes, and that, when the  same
are  accepted for exchange, the Company will acquire good and unencumbered title
to the tendered Old  Notes, free and clear  of all liens, restrictions,  charges
and  encumbrances  and not  subject to  any adverse  claim. The  Transferor also
warrants that  it  will,  upon  request,  execute  and  deliver  any  additional
documents  deemed by the  Company to be  necessary or desirable  to complete the
exchange, assignment and transfer of tendered Old Notes. All authority conferred
by the Transferor  will survive the  death or incapacity  of the Transferor  and
every  obligation  of the  Transferor  shall be  binding  upon the  heirs, legal
representatives, successors,  assigns,  executors  and  administrators  of  such
Transferor.
 
    By  tendering  Old  Notes  and  executing  the  Letter  of  Transmittal, the
Transferor certifies that (a) it is not an Affiliate of the Company, that it  is
not a broker-dealer that owns Old Notes acquired directly from the Company or an
Affiliate of the Company, that it is acquiring the Exchange Notes offered hereby
in the ordinary course of such Transferor's business and that such Transferor is
not  engaged in and does not intend to engage in and has no arrangement with any
person to participate in the distribution of such Exchange Notes, (b) that it is
an Affiliate of the Company or of the initial purchaser of the Old Notes in  the
Offering  and that it will comply  with the registration and prospectus delivery
requirements of the Securities Act to the  extent applicable to it, or (c)  that
it  is a  broker dealer which  is a beneficial  owner (as defined  in Rule 13d-3
under the Exchange Act) of Exchange Notes received by such broker dealer in  the
Exchange  Offer (a  "Participating Broker-Dealer")  and that  it will  deliver a
prospectus in connection with  any resale of such  Exchange Notes. By  tendering
Old  Notes  and  executing  a  Letter  of  Transmittal,  the  Transferor further
certifies that  it  is not  engaged  in  and does  not  intend to  engage  in  a
distribution of the Exchange Notes.
 
WITHDRAWAL RIGHTS
 
    Old  Notes tendered pursuant to  the Exchange Offer may  be withdrawn at any
time prior to the Expiration Date.
 
    For a withdrawal to be effective, a written or facsimile transmission notice
of withdrawal must be timely received by  the Exchange Agent at its address  set
forth  on the back  cover of this  Prospectus prior to  the Expiration Date. Any
such notice  of  withdrawal must  specify  the person  named  in the  Letter  of
Transmittal  as  having  tendered Old  Notes  to be  withdrawn,  the certificate
numbers of Old Notes to  be withdrawn, the principal amount  of Old Notes to  be
withdrawn, a statement that such holder is withdrawing his election to have such
Old  Notes exchanged, and the  name of the registered  holder of such Old Notes,
and must be signed by the holder in the same manner as the original signature on
the Letter of Transmittal  (including any required  signature guarantees) or  be
accompanied  by evidence satisfactory to the Company that the person withdrawing
the tender has  succeeded to  the beneficial ownership  of the  Old Notes  being
withdrawn.  The  Exchange Agent  will return  the  properly withdrawn  Old Notes
promptly following receipt  of notice  of withdrawal.  All questions  as to  the
validity  of  notices  of  withdrawals,  including  time  of  receipt,  will  be
determined by the Company, and such  determination will be final and binding  on
all parties.
 
ACCEPTANCE OF OLD NOTES FOR EXCHANGE; DELIVERY OF EXCHANGE NOTES
 
    Upon  the terms  and subject  to the conditions  of the  Exchange Offer, the
acceptance for exchange of Old Notes validly tendered and not withdrawn and  the
issuance of the Exchange Notes will be made on the
 
                                       23
<PAGE>
Exchange  Date. For  the purposes  of the Exchange  Offer, the  Company shall be
deemed to have accepted for exchange validly tendered Old Notes when, as and  if
the Company has given written notice thereof to the Exchange Agent.
 
    The  Exchange Agent will act as agent for the tendering holders of Old Notes
for the purposes of  receiving Exchange Notes from  the Company and causing  the
Old  Notes to be assigned, transferred and exchanged. Upon the terms and subject
to conditions of the Exchange Offer, delivery of Exchange Notes to be issued  in
exchange  for accepted  Old Notes  will be made  by the  Exchange Agent promptly
after acceptance of the tendered Old Notes. Old Notes not accepted for  exchange
by  the Company will be returned without expense to the tendering holders (or in
the case of Old Notes tendered by book-entry transfer into the Exchange  Agent's
account at the Book-Entry Transfer Facility pursuant to the procedures described
above,  such non-exchanged Old  Notes will be credited  to an account maintained
with such Book-Entry Transfer Facility)  promptly following the Expiration  Date
or,  if the Company terminates the Exchange  Offer prior to the Expiration Date,
promptly after the Exchange Offer is so terminated.
 
CONDITIONS TO THE EXCHANGE OFFER
 
    Notwithstanding any other provision of the Exchange Offer, or any  extension
of  the Exchange Offer, the Company will not be required to issue Exchange Notes
in respect of any  properly tendered Old Notes  not previously accepted and  may
terminate  the Exchange Offer (by  oral or written notice  to the Exchange Agent
and by timely public announcement communicated by no later than 5:00 p.m. on the
next business day following  the Expiration Date,  unless otherwise required  by
applicable law or regulation, by making a release to the Dow Jones News Service)
or,  at its option, modify  or otherwise amend the  Exchange Offer, if (a) there
shall be threatened, instituted or pending  any action or proceeding before,  or
any  injunction,  order  or decree  shall  have  been issued  by,  any  court or
governmental agency or other governmental regulatory or administrative agency or
commission, (i) seeking to  restrain or prohibit the  making or consummation  of
the  Exchange Offer or any other transaction contemplated by the Exchange Offer,
(ii) assessing or seeking any damages as a result thereof or (iii) resulting  in
a  material  delay in  the  ability of  the Company  to  accept for  exchange or
exchange some or all of  the Old Notes pursuant to  the Exchange Offer; (b)  any
statute,  rule,  regulation,  order  or injunction  shall  be  sought, proposed,
introduced, enacted, promulgated or deemed  applicable to the Exchange Offer  or
any  of the transactions contemplated by the Exchange Offer by any government or
governmental authority,  domestic or  foreign,  or any  action shall  have  been
taken, proposed or threatened, by any government, governmental authority, agency
or  court, domestic or foreign,  that in the reasonable  judgment of the Company
might directly or indirectly  result in any of  the consequences referred to  in
clauses  (a)(i) or  (ii) above  or, in the  reasonable judgment  of the Company,
might result in the holders of Exchange Notes having obligations with respect to
resales and transfers of Exchange Notes  which are greater than those  described
in  the  interpretations of  the Staff  referred to  on the  cover page  of this
Prospectus, or would otherwise make it inadvisable to proceed with the  Exchange
Offer;  or (c) a  material adverse change  shall have occurred  in the business,
condition (financial or otherwise), operations, or prospects of the Company.
 
   
    The foregoing conditions are for the sole benefit of the Company and may  be
asserted  by  it  with respect  to  all or  any  portion of  the  Exchange Offer
regardless of  the  circumstances  (including  any action  or  inaction  by  the
Company)  giving rise to such condition or may be waived by the Company in whole
or in part at any time or from time to time in its sole discretion. The  failure
by  the Company at any time to exercise  any of the foregoing rights will not be
deemed a waiver  of any such  right, and each  right will be  deemed an  ongoing
right which may be asserted at any time or from time to time.
    
 
    Any   determination   by   the  Company   concerning   the   fulfillment  or
nonfulfillment of any conditions will be final and binding upon all parties.
 
    In addition, the Company will not accept for exchange any Old Notes tendered
and no Exchange Notes will be issued in  exchange for any such Old Notes, if  at
such  time any stop order  shall be threatened or in  effect with respect to the
Registration  Statement  of  which  this   Prospectus  constitutes  a  part   or
qualification of the Indenture under the Trust Indenture Act of 1939, as amended
(the "Trust Indenture Act").
 
                                       24
<PAGE>
EXCHANGE AGENT
 
   
    LaSalle  National  Bank has  been appointed  as the  Exchange Agent  for the
Exchange Offer. Letters of Transmittal must  be addressed to the Exchange  Agent
as follows:
    
 
   
                           To: LaSalle National Bank
    
 
   
                            FACSIMILE TRANSMISSION:
                                 (312) 904-2236
    
 
   
                            CONFIRM BY TELEPHONE TO:
                                 (312) 904-2444
    
 
   
                         BY MAIL OR OVERNIGHT DELIVERY:
                             LaSalle National Bank
                            Corporate Trust Division
                            135 South LaSalle Street
                                   Suite 1825
                            Chicago, Illinois 60603
                            Attention: Sarah H. Webb
    
 
   
                               BY HAND DELIVERY:
                             LaSalle National Bank
                    c/o IBJ Schroder Bank and Trust Company
                          One State Street - Floor SC1
                          Securities Processing Window
                            New York, New York 10004
    
 
    Delivery  to an address other than as  set forth herein, or transmissions of
instructions via  a facsimile  or telex  number other  than the  ones set  forth
herein, will not constitute a valid delivery.
 
SOLICITATION OF TENDERS; EXPENSES
 
   
    The  Company  has  not  retained  any  dealer-manager  or  similar  agent in
connection with the Exchange  Offer and will not  make any payments to  brokers,
dealers  or others for soliciting acceptances of the Exchange Offer. The Company
will, however, pay  the Exchange  Agent reasonable  and customary  fees for  its
services  and  will  reimburse  it  for  reasonable  out-of-pocket  expenses  in
connection therewith.  The Company  will  also pay  brokerage houses  and  other
custodians,  nominees  and  fiduciaries  the  reasonable  out-of-pocket expenses
incurred by them in forwarding tenders  for their customers. The expenses to  be
incurred  in connection with the Exchange Offer, including the fees and expenses
of the Exchange  Agent and  printing, accounting, legal  fees and  miscellaneous
expenses  will be  paid by  the Company  and are  estimated to  be approximately
$135,000.
    
 
    No person  has  been authorized  to  give any  information  or to  make  any
representations in connection with the Exchange Offer other than those contained
in this Prospectus. If given or made, such information or representations should
not  be  relied upon  as  having been  authorized  by the  Company.  Neither the
delivery of this  Prospectus nor any  exchange made hereunder  shall, under  any
circumstances,  create  any implication  that there  has been  no change  in the
affairs of the  Company since the  respective dates as  of which information  is
given  herein. The  Exchange Offer  is not  being made  to (nor  will tenders be
accepted from or on behalf of) holders of Old Notes in any jurisdiction in which
the making of  the Exchange  Offer or  the acceptance  thereof would  not be  in
compliance  with the laws of such jurisdiction. However, the Company may, at its
discretion, take such action as it may deem necessary to make the Exchange Offer
in any such jurisdiction and extend the  Exchange Offer to holders of Old  Notes
in  such jurisdiction. In any jurisdiction the  securities laws or blue sky laws
of which require the Exchange Offer to  be made by a licensed broker or  dealer,
the  Exchange  Offer is  being made  on behalf  of  the Company  by one  or more
registered brokers  or  dealers  which  are licensed  under  the  laws  of  such
jurisdiction.
 
APPRAISAL RIGHTS
 
    HOLDERS OF OLD NOTES WILL NOT HAVE DISSENTERS' RIGHTS OR APPRAISAL RIGHTS IN
CONNECTION WITH THE EXCHANGE OFFER.
 
                                       25
<PAGE>
FEDERAL INCOME TAX CONSEQUENCES
 
    The  exchange of Old Notes for Exchange  Notes by tendering holders will not
be a taxable exchange for federal  income tax purposes, and such holders  should
not recognize any taxable gain or loss as a result of such exchange.
 
OTHER
 
    Participation  in the Exchange  Offer is voluntary and  holders of Old Notes
should carefully consider whether  to accept the  terms and conditions  thereof.
Holders  of the Old Notes are urged  to consult their financial and tax advisors
in making  their own  decisions  on what  action to  take  with respect  to  the
Exchange Offer.
 
    As  a  result of  the making  of, and  upon acceptance  for exchange  of all
validly tendered Old  Notes pursuant to  the terms of  this Exchange Offer,  the
Company  will have fulfilled a covenant contained  in the terms of the Old Notes
and the  Registration Rights  Agreement. Holders  of the  Old Notes  who do  not
tender  their Old  Notes in the  Exchange Offer  will continue to  hold such Old
Notes and  will  be entitled  to  all  the rights,  and  limitations  applicable
thereto,  under the Indenture, except for any such rights under the Registration
Rights Agreement which by their terms terminate or cease to have further  effect
as  a result of the making of  this Exchange Offer. See "Description of Exchange
Notes." All untendered Old Notes will continue to be subject to the  restriction
on  transfer  set forth  in  the Indenture.  To the  extent  that Old  Notes are
tendered and accepted in the Exchange Offer, the trading market, if any, for any
remaining  Old  Notes  could  be  adversely  affected.  See  "Risk  Factors   --
Consequences of Failure to Exchange Old Notes."
 
    Subject  to the restrictions contained in  the Indenture, the Company may in
the future seek  to acquire  untendered Old Notes  in open  market or  privately
negotiated  transactions, through  subsequent exchange offers  or otherwise. The
Company has no present plan to acquire  any Old Notes which are not tendered  in
the Exchange Offer.
 
                                       26
<PAGE>
                                 CAPITALIZATION
 
    The  following  table sets  forth the  capitalization of  the Company  as of
February 29,  1996 and  as of  May 31,  1996 to  reflect the  Financing Plan  as
described under "Use of Proceeds." This table should be read in conjunction with
the  financial statements of the Company and the related notes thereto and other
information appearing elsewhere in this Prospectus.
 
<TABLE>
<CAPTION>
                                                                                    FEBRUARY 29,
                                                                                        1996
                                                                                    ------------
                                                                                                  MAY 31, 1996
                                                                                                  -------------
                                                                                                   (UNAUDITED)
                                                                                          (IN THOUSANDS)
<S>                                                                                 <C>           <C>
Long-term debt (including current maturities):
  Old Credit Agreement (a)........................................................   $   75,724   $    --
  Other Notes Payable.............................................................        1,800        1,250
  Senior Credit Facility (b)......................................................       --            --
  11 5/8% Senior Secured Notes due 2003 (c).......................................       --          110,000
                                                                                    ------------  -------------
    Total long-term debt (including current maturities):                                 77,524      111,250
                                                                                    ------------  -------------
Stockholder's equity:
  Common stock, par value $.01 per share; 1,000 shares authorized, issued and
   outstanding....................................................................       --            --
  Additional paid-in capital......................................................       20,278      (11,483)
  Retained earnings (deficit).....................................................       (2,013)      (2,209)(d)
                                                                                    ------------  -------------
    Total stockholder's equity (deficit)..........................................       18,265      (13,692)
                                                                                    ------------  -------------
      Total capitalization........................................................   $   95,789   $   97,558
                                                                                    ------------  -------------
                                                                                    ------------  -------------
</TABLE>
 
- ------------------------
(a) Includes $2.25 million of indebtedness paid on March 31, 1996.
 
(b) The Senior  Credit Facility  provides for  revolving loans  of up  to  $20.0
    million,  subject  to  certain  borrowing  conditions  and  limitations. See
    "Description of Certain Indebtedness -- The Senior Credit Facility."
 
(c) Reflects the issuance of the Old Notes.
 
(d) Reflects (i) a  non-cash extraordinary charge  of $1.1 million  (net of  tax
    benefit)  for  the  write-off of  the  unamortized financing  fees  and debt
    issuance costs associated with the Old Credit Agreement and (ii) a  dividend
    from PRI to Group in the amount of $31.7 million used to redeem a portion of
    the  12.5% Notes. See  "Security Ownership of  Certain Beneficial Owners and
    Management" for a description of the Warrants.
 
                                       27
<PAGE>
                            SELECTED FINANCIAL DATA
 
    The following  table presents  summary historical  and pro  forma  financial
information  for the Company. The summary statement of operations data and other
operating data set forth below  for the years ended  February 28, 1994 and  1995
and  February 29, 1996 and the three months  ended May 31, 1995 and 1996 and the
balance sheet data at February 28, 1995  and February 29, 1996 and May 31,  1995
and  1996  have  been derived  from,  and  are qualified  by  reference  to, the
financial statements of the Company  included elsewhere in this Prospectus.  The
summary  statement of operations  data and other operating  data set forth below
for the years  ended February 29,  1992 and  February 28, 1993  and the  balance
sheet data at February 29, 1992 and February 28, 1993 and 1994 have been derived
from  the Company's audited financial statements not included herein. Historical
financial data  reflects  the  acquisitions  of  Louisiana  Plastics  and  Miner
Container from March 12, 1993 and December 15, 1993, respectively. The unaudited
pro forma financial data for fiscal 1996 give effect to the Financing Plan as if
it  had occurred on  March 1, 1995  for purposes of  the statement of operations
data and the other operating  data and as of February  29, 1996 for purposes  of
the balance sheet data. The unaudited pro forma financial data do not purport to
represent  what  the Company's  results  of operations  would  have been  if the
Financing Plan had in fact occurred as of the beginning of the period or on  the
date indicated, as applicable, or to project the Company's financial position or
results of operations for any future date or period. Results for interim periods
may  not be indicative of  results for a full  year. The selected financial data
below should be read in  conjunction with "Management's Discussion and  Analysis
of  Financial Condition and Results of  Operations" and the historical financial
statements of the Company included elsewhere in this Prospectus.
<TABLE>
<CAPTION>
                                                                                                                      THREE
                                                                                                                     MONTHS
                                                                      FISCAL YEAR ENDED                               ENDED
                                            ----------------------------------------------------------------------  ---------
<S>                                         <C>          <C>          <C>        <C>        <C>        <C>          <C>
                                                                                                                    (UNAUDITED)
                                             FEB. 29,     FEB. 28,    FEB. 28,   FEB. 28,   FEB. 29,                 MAY 31,
                                             1992 (A)       1993        1994       1995       1996                    1995
                                            -----------  -----------  ---------  ---------  ---------               ---------
                                                                                                        PRO FORMA
                                                                                                        FEB. 29,
                                                                                                        1996 (B)
                                                                                                       -----------
                                                                                                       (UNAUDITED)
                                                                         (DOLLARS IN THOUSANDS)
STATEMENT OF OPERATIONS DATA:
Net sales.................................   $  80,473    $  74,950   $ 118,844  $ 135,696  $ 133,756   $ 133,756   $  36,335
Cost of goods sold (c)....................      65,996       59,232      93,248    113,928    111,448     111,448      30,142
                                            -----------  -----------  ---------  ---------  ---------  -----------  ---------
Gross profit..............................      14,477       15,718      25,596     21,768     22,308      22,308       6,193
Selling, general and administrative
 expenses.................................       4,990        4,512       6,657      8,407      6,864       6,864       1,796
Amortization of intangibles...............         620          424       1,122      3,102      2,434       2,434         599
Nonrecurring charge (d)...................      --           --          --          7,257     --          --          --
                                            -----------  -----------  ---------  ---------  ---------  -----------  ---------
Operating income..........................       8,867       10,782      17,817      3,002     13,010      13,010       3,798
Interest expense, net (e).................       6,082        5,406       5,482      8,503     10,671      13,416       2,769
                                            -----------  -----------  ---------  ---------  ---------  -----------  ---------
Income (loss) before income taxes,
 extraordinary item and cumulative effect
 of change in accounting principle........       2,785        5,376      12,335     (5,501)     2,339        (406)      1,029
Income tax expense (benefit)..............       1,268        2,215       5,057     (1,980)     1,006        (175)        422
                                            -----------  -----------  ---------  ---------  ---------  -----------  ---------
Income (loss) before extraordinary item
 and cumulative effect of change in
 accounting principle.....................       1,517        3,161       7,278     (3,521)     1,333   $    (231)        607
                                            -----------  -----------  ---------  ---------  ---------  -----------  ---------
                                                                                                       -----------
Extraordinary item (f)....................      --           --          (2,743)    --         --                      --
Cumulative effect of change in accounting
 principle (g)............................      --           --          (2,300)    --         --                      --
                                            -----------  -----------  ---------  ---------  ---------               ---------
Net income (loss).........................   $   1,517    $   3,161   $   2,235  $  (3,521) $   1,333               $     607
                                            -----------  -----------  ---------  ---------  ---------               ---------
                                            -----------  -----------  ---------  ---------  ---------               ---------
CASH FLOW DATA:
Net cash provided by (used in) operating
 activities...............................   $   8,743    $   6,058   $  (4,506) $  11,472  $  11,775               $   3,911
Net cash used in investing activities.....      (3,309)      (5,684)    (47,557)    (7,250)    (4,956)                   (714)
Net cash provided by (used in) financing
 activities...............................      (5,430)        (380)     52,733     (4,684)    (6,653)                 (1,800)
BALANCE SHEET DATA (PERIOD END):
Property, plant, and equipment, net.......   $  30,302    $  31,276   $  56,912  $  56,213  $  52,352   $  52,352   $  55,038
Total assets..............................      61,337       62,727     136,545    121,966    110,683     112,620     118,376
Total debt................................      41,903       42,861      86,361     84,177     77,524     112,152      82,376
Stockholder's equity (deficit)............        (561)       1,134      22,953     16,932     18,265     (13,563)     17,542
 
<CAPTION>
 
<S>                                         <C>          <C>
                                                          PRO FORMA
                                              MAY 31,      MAY 31,
                                               1996       1996 (B)
                                            -----------  -----------
 
STATEMENT OF OPERATIONS DATA:
Net sales.................................   $  31,316    $  31,316
Cost of goods sold (c)....................      25,356       25,356
                                            -----------  -----------
Gross profit..............................       5,960        5,960
Selling, general and administrative
 expenses.................................       1,848        1,848
Amortization of intangibles...............         174          174
Nonrecurring charge (d)...................      --           --
                                            -----------  -----------
Operating income..........................       3,938        3,938
Interest expense, net (e).................       2,416        3,391
                                            -----------  -----------
Income (loss) before income taxes,
 extraordinary item and cumulative effect
 of change in accounting principle........       1,522          547
Income tax expense (benefit)..............         654          235
                                            -----------  -----------
Income (loss) before extraordinary item
 and cumulative effect of change in
 accounting principle.....................         868    $     312
                                            -----------  -----------
                                                         -----------
Extraordinary item (f)....................      (1,064)
Cumulative effect of change in accounting
 principle (g)............................      --
                                            -----------
Net income (loss).........................   $    (196)
                                            -----------
                                            -----------
CASH FLOW DATA:
Net cash provided by (used in) operating
 activities...............................   $   7,908
Net cash used in investing activities.....      (1,942)
Net cash provided by (used in) financing
 activities...............................      (2,185)
BALANCE SHEET DATA (PERIOD END):
Property, plant, and equipment, net.......   $  52,433
Total assets..............................     116,881
Total debt................................     111,250
Stockholder's equity (deficit)............     (13,692)
</TABLE>
 
                                       28
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                      THREE
                                                                                                                     MONTHS
                                                                      FISCAL YEAR ENDED                               ENDED
                                            ----------------------------------------------------------------------  ---------
<S>                                         <C>          <C>          <C>        <C>        <C>        <C>          <C>
                                                                                                                    (UNAUDITED)
                                             FEB. 29,     FEB. 28,    FEB. 28,   FEB. 28,   FEB. 29,                 MAY 31,
                                             1992 (A)       1993        1994       1995       1996                    1995
                                            -----------  -----------  ---------  ---------  ---------               ---------
                                                                                                        PRO FORMA
                                                                                                        FEB. 29,
                                                                                                        1996 (B)
                                                                                                       -----------
                                                                                                       (UNAUDITED)
                                                                         (DOLLARS IN THOUSANDS)
OTHER OPERATING DATA:
Ratio of earnings to fixed charges (h)....        1.43x        1.93x       3.00x        (i)      1.21x         (i)       1.35x
EBITDA (j)................................   $  12,570    $  14,434   $  24,096  $  20,751  $  22,731   $  22,731   $   6,262
Depreciation and amortization (k).........       3,703        3,652       6,279     10,492      9,721       9,721       2,464
Capital expenditures (l)..................       2,735        4,435       5,556      7,925      3,449       3,449         740
Ratio of EBITDA to interest expense.......        2.07x        2.67x       4.40x      2.44x      2.13x       1.69x       2.26x
Ratio of EBITDA to cash interest expense
 (m)......................................        2.29x        3.00x       5.04x      2.71x      2.52x       1.77x       2.66x
 
<CAPTION>
 
<S>                                         <C>          <C>
                                                          PRO FORMA
                                              MAY 31,      MAY 31,
                                               1996       1996 (B)
                                            -----------  -----------
 
OTHER OPERATING DATA:
Ratio of earnings to fixed charges (h)....        1.59x        1.15x
EBITDA (j)................................   $   5,981    $   5,981
Depreciation and amortization (k).........       2,043        2,043
Capital expenditures (l)..................       1,942        1,942
Ratio of EBITDA to interest expense.......        2.48x        1.76x
Ratio of EBITDA to cash interest expense
 (m)......................................        2.92x        1.84x
</TABLE>
 
- ------------------------------
(a) Fiscal 1992 amounts have been restated to reflect a change in accounting for
    inventory. In fiscal 1993, the Company changed its inventory costing  method
    from  the LIFO method to the FIFO method.  Cost of goods sold for all fiscal
    years presented is valued using the FIFO method.
 
(b) Financial data for  fiscal 1996 gives  effect to the  Financing Plan, as  if
    such  transactions  had  occurred  on  March 1,  1995  for  purposes  of the
    statement of operations data and the other operating data and as of February
    29, 1996 for purposes  of the balance sheet  data. Pro forma adjustments  to
    statement  of operations  data and other  operating data for  the year ended
    February 29, 1996 include adjustments  to interest expense in the  aggregate
    amount  of  $2.7 million,  reflecting  the elimination  of  interest expense
    relating to the Old  Credit Agreement and the  addition of interest  expense
    associated with the Notes and the Senior Credit Facility. Financial data for
    May  31, 1996 gives  effect to the  Financing Plan, as  if such transactions
    occurred on March 1, 1996 for  purposes of the statement of operations  data
    and  other operating data. Pro forma  adjustments to statement of operations
    data and other operating data include adjustments to interest expense in the
    aggregate amount of  $975, reflecting  the elimination  of interest  expense
    relating  to the Old  Credit Agreement and the  addition of interest expense
    associated with  the  Notes  and  the  Senior  Credit  Facility.  Pro  forma
    adjustments  to  balance sheet  data for  the year  ended February  29, 1996
    reflect (i) a  non-cash extraordinary  charge of  $1.4 million  (net of  tax
    benefit)  for  the  write-off of  the  unamortized financing  fees  and debt
    issuance costs associated with the Old Credit Agreement and (ii) a  dividend
    from  PRI to Group in the amount of $30.5 million to redeem a portion of the
    12.5% Notes. See "Capitalization."
 
(c) Cost of goods sold includes costs for raw materials, labor, maintenance  and
    repair of property, plant and equipment, manufacturing overhead and research
    and development.
 
(d) The  nonrecurring charges  in fiscal 1995  include a charge  of $6.4 million
    relating  to  the  closing   and  consolidation  of  certain   manufacturing
    facilities  and the write-off of $894 in costs associated with a public debt
    offering that was not completed by the Company.
 
(e) Interest expense,  net includes  interest income  of $83,  $129 and  $77  in
    fiscal 1993, 1994 and 1995, respectively.
 
(f) The   extraordinary  item  in  fiscal   1994  represents  the  write-off  of
    unamortized financing fees and costs and the payment of certain premiums  in
    connection  with the 1993 Transaction.  See Notes 8 and  11 to the Company's
    financial statements included elsewhere in this Prospectus.
 
(g) Cumulative effect of change in accounting principle in fiscal 1994  reflects
    the Company's adoption of SFAS 109, "Accounting for Income Taxes." See Notes
    1  and 12 to  the Company's financial statements  included elsewhere in this
    Prospectus.
 
(h) For purposes  of this  computation, earnings  are defined  as income  before
    income   taxes  plus  fixed  charges.  Fixed  charges  consist  of  interest
    (including amortization of  deferred financing  costs and  debt discount  or
    premium)  and  that  portion of  rental  expense that  is  representative of
    interest (deemed to be one-third of operating lease rental expense).
 
(i) The Company's earnings  were inadequate  to cover fixed  charges for  fiscal
    1995 and pro forma 1996 by $5.5 million and $406, respectively.
 
(j) EBITDA   represents  earnings  (loss)  before  interest  expense,  provision
    (benefit)  for  income  taxes,  depreciation  and  amortization   (excluding
    amortization   of  deferred  financing  costs),   adjusted  to  exclude  the
    nonrecurring charges, extraordinary items  and cumulative effect of  changes
    in  accounting principles described in notes  (d), (f) and (g) above. EBITDA
    is presented because such  data reflects earnings  without giving effect  to
    non-cash  and  and  nonrecurring items  and  is used  by  certain investors,
    analysts and others (including the Company's lender under the Senior  Credit
    Facility)  as  one  measure  of  a company's  ability  to  service  debt. In
 
                                       29
<PAGE>
    fiscal 1995, the Company's earnings  were inadequate to cover fixed  charges
    and,  as  a  result, the  Company  refinanced its  outstanding  senior debt.
    Accordingly, EBITDA, alone, did not  fully measure the Company's ability  to
    meet  its debt service  obligations in fiscal  1995. See note  (i) above and
    "Management's Discussion and Analysis of Financial Condition and Results  of
    Operations  --  Liquidity  and  Capital  Resources."  EBITDA  should  not be
    considered as  an alternative,  or  be construed  as more  meaningful  than,
    operating  income or  cash flow from  operations as  determined by generally
    accepted accounting principles,  and does not  necessarily indicate  whether
    cash  flow will  be sufficient  for the  Company's actual  cash requirements
    during any period. EBITDA is not a measurement determined in accordance with
    generally accepted accounting  principles and  should not  be considered  in
    isolation  or  as  a  substitute for  measures  of  performance  prepared in
    accordance with generally accepted  accounting principles. Investors  should
    be  aware  that  EBITDA as  described  above  may differ  in  the  method of
    calculation from EBITDA presented by other companies due to the exclusion of
    nonrecurring  charges.  See  footnote  (d)   above  for  a  description   of
    nonrecurring charges.
 
    The  following  represents a  reconciliation of  EBITDA  from net  income as
    determined by generally accepted accounting principles:
 
<TABLE>
<CAPTION>
                                        FEB. 29,     FEB. 28,     FEB. 28,     FEB. 28,     FEB. 29,      MAY 31,      MAY 31,
                                          1992         1993         1994         1995         1996         1995         1996
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
                                                                        (AMOUNTS IN THOUSANDS)                (UNAUDITED)
<S>                                    <C>          <C>          <C>          <C>          <C>          <C>          <C>
Net income (loss)....................   $   1,517    $   3,161    $   2,235    $  (3,521)   $   1,333    $     607    $    (196)
Cumulative effect of change in
 accounting principle................      --           --            2,300       --           --           --           --
Extraordinary item...................      --           --            2,743       --           --           --            1,064
Income tax expense (benefit).........       1,268        2,215        5,057       (1,980)       1,006          422          654
Interest expense, net................       6,082        5,406        5,482        8,503       10,671        2,769        2,416
Nonrecurring Charge..................      --           --           --            7,257       --           --           --
Depreciation and amortization (less
 deferred financing costs which are
 included in interest expense
 above)..............................       3,703        3,652        6,279       10,492        9,721        2,464        2,043
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
EBITDA...............................   $  12,570    $  14,434    $  24,096    $  20,751    $  22,731    $   6,262    $   5,981
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
                                       -----------  -----------  -----------  -----------  -----------  -----------  -----------
</TABLE>
 
(k) Depreciation and amortization as presented excludes amortization of deferred
    financing costs.
 
(l) Capital expenditures in fiscal  1994 do not  include $26.9 million  expended
    for  property,  plant and  equipment  obtained through  the  acquisitions of
    Louisiana Plastics and Miner Container.
 
(m) For the purpose of calculating the ratio of EBITDA to cash interest expense,
    interest expense does not include amortization of deferred financing  costs.
    Amortization  of deferred financing costs for fiscal 1992, 1993, 1994, 1995,
    1996 and pro forma 1996 was $595,  $593, $705, $848, $1.7 million and  $593,
    respectively.  EBITDA  has been  included for  convenience of  investors and
    others who  use  such  measure.  EBITDA  should  not  be  considered  as  an
    alternative  to operating income or cash  flow from operations as determined
    by generally  accepted  accounting  principles,  and  does  not  necessarily
    indicate  whether cash flow will be sufficient for cash requirements. EBITDA
    is not  a  measurement  determined in  accordance  with  generally  accepted
    accounting  principles and  should not  be considered  in isolation  or as a
    substitute for measures of performance prepared in accordance with generally
    accepted accounting principles.
 
                                       30
<PAGE>
               MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
                      CONDITION AND RESULTS OF OPERATIONS
 
OVERVIEW
 
    The  Company  is a  leading developer,  manufacturer  and marketer  of rigid
plastic packaging, serving primarily as a supplier of customized containers  for
national  branded  consumer  products.  The  Company  is  the  largest  domestic
manufacturer  of  refrigerated  yogurt  containers,  shelf  stable,  multi-layer
(impermeable  to air  and moisture)  containers for  nutritional supplements and
frosting containers. The Company also believes that it is the largest  designer,
manufacturer  and supplier  of promotional beverage  cups in  the United States,
marketing these products primarily to the fast-food and beverage industries.
 
    The Company's results of operations during  the last three fiscal years  are
not  readily  comparable  due to  a  variety of  extraordinary  transactions and
non-recurring items.  The  following discussion  summarizes  such  extraordinary
transactions and nonrecurring items.
 
    ACQUISITIONS.   During the last quarter of fiscal 1994, the Company acquired
Miner Container for an aggregate purchase price of approximately $21.0  million.
The  acquisition of Miner Container was financed primarily through incurrence of
indebtedness and was treated as a purchase for accounting purposes. Through this
transaction, the Company expanded its sales of eight ounce yogurt containers for
Dannon (enabling the Company  to become the sole  supplier of such  containers),
increased   injection  molding   capacity,  improved   graphics  technology  and
established market share leadership in promotional beverage cups.
 
    RESTRUCTURING.  During fiscal 1994, the Company's net income was reduced  by
nonrecurring  charges of  $2.7 million relating  to prepayment  premiums and the
write-off  of  unamortized   financing  costs  in   connection  with  the   1993
Transaction.  In fiscal 1995, the Company incurred a nonrecurring charge of $7.3
million, $6.4 million of  which related primarily to  costs associated with  the
closing  of  the  Sparks, Nevada  and  the Louisiana,  Missouri  facilities, and
$894,000 of which resulted from the write-off of costs associated with a  public
debt  offering  which  was  not  completed  by  the  Company.  The  $6.4 million
restructuring charge relating  to the closed  facilities consisted primarily  of
expenditures  made or anticipated  to be made in  connection with such closings,
including employee severance benefits and  costs associated with the  relocation
of  equipment from the closed facilities.  Substantially all of the expenditures
associated with this charge were made in fiscal 1995.
 
    ACCOUNTING CHANGES.   Fiscal 1994  net income  was further  reduced by  $2.3
million  representing the  cumulative effect of  the Company's  adoption of SFAS
109, "Accounting for Income Taxes."
 
    DEBT REPAYMENT.   In the first  fiscal quarter of  fiscal 1997, the  Company
incurred  an extraordinary non-cash charge of  $1.1 million (net of tax benefit)
for the write-off of  unamortized financing fees and  costs associated with  the
Old Credit Agreement.
 
    OTHER.   The principal elements comprising  the Company's cost of goods sold
are raw materials consisting primarily  of plastic resins, labor,  manufacturing
overhead  and research and  development expenses. Historically,  the Company has
been able  to  pass  along  resin price  increases  or  decreases  to  packaging
customers.  The Company's  selling, general and  administrative expenses include
salaries, management fees payable to HPH and other items of corporate  overhead.
In  April 1994, the  Company paid discretionary  bonuses to management employees
totaling $810,545. For  financial reporting purposes,  $250,000 and $560,545  of
such bonus payments were expensed in fiscal 1994 and 1995, respectively. No such
bonuses were paid in fiscal 1996.
 
                                       31
<PAGE>
    The  following table sets forth, for  the fiscal years indicated, the income
statement of the Company expressed as a percentage of net sales:
 
<TABLE>
<CAPTION>
                                                                         1994       1995       1996
                                                                       ---------  ---------  ---------
<S>                                                                    <C>        <C>        <C>
Net sales by product category:
  Packaging products.................................................       79.9%      75.8%      82.8%
  Promotional beverage cups..........................................       19.0       21.1       17.2
  Housewares.........................................................        1.1        3.1     --
                                                                       ---------  ---------  ---------
Net sales............................................................      100.0      100.0      100.0
Cost of goods sold...................................................       78.5       84.0       83.3
                                                                       ---------  ---------  ---------
Gross profit.........................................................       21.5       16.0       16.7
Selling, general and administrative expenses.........................        5.6        6.2        5.1
Amortization of intangibles..........................................        0.9        2.3        1.8
Nonrecurring charge..................................................     --            5.3     --
                                                                       ---------  ---------  ---------
Operating income.....................................................       15.0        2.2        9.8
Interest expense, net................................................        4.6        6.3        8.0
                                                                       ---------  ---------  ---------
Income (loss) before income taxes, extraordinary item and cumulative
 effect of change in accounting principle............................       10.4       (4.1)       1.8
                                                                       ---------  ---------  ---------
Income tax expense (benefit).........................................        4.3       (1.5)       0.8
                                                                       ---------  ---------  ---------
Income (loss) before extraordinary item and cumulative effect of
 change in accounting principle......................................        6.1       (2.6)       1.0
Extraordinary item...................................................        2.3     --         --
Cumulative effect of change in accounting principle..................        1.9     --         --
                                                                       ---------  ---------  ---------
  Net income (loss)..................................................        1.9       (2.6)       1.0
                                                                       ---------  ---------  ---------
                                                                       ---------  ---------  ---------
</TABLE>
 
RESULTS OF OPERATIONS
 
    The following discussion represents the analysis by the Company's management
of the results of operations for fiscal 1994, 1995 and 1996 and the three months
ended May 31, 1995 and 1996. This discussion should be read in conjunction  with
the financial statements of the Company and the notes thereto included elsewhere
in this Prospectus.
 
THREE MONTHS ENDED MAY 31, 1996 COMPARED TO THREE MONTHS ENDED MAY 31, 1995
 
    NET  SALES:  Net sales decreased $5.0  million, or 13.8%, from $36.3 million
in the first quarter  of fiscal 1996  to $31.3 million in  the first quarter  of
fiscal 1997. Packaging sales decreased $0.4 million, or 1.4%, from $27.9 million
in  the first quarter  of fiscal 1996 to  $27.5 million in  the first quarter of
fiscal 1997. Net sales to Yoplait increased $0.9 million in the first quarter of
fiscal 1997 compared to the first  quarter of fiscal 1996, primarily  reflecting
higher  unit volume. This  increase was offset  with a decrease  in net sales to
Ross Labs and Dannon of $0.4  million and $0.3 million, respectively,  primarily
reflecting lower unit volume and the pass through of lower resin cost. Packaging
sales were also adversely impacted by the Company's loss of certain lower margin
accounts.  Promotional sales decreased $4.6 million, or 55.0%, from $8.4 million
in the first  quarter of fiscal  1996 to $3.8  million in the  first quarter  of
fiscal  1997. This decrease is primarily due  to a major promotion that occurred
during the  first  quarter  of fiscal  1996  but  was not  repeated  during  the
comparable period of fiscal 1997.
 
    GROSS PROFIT:  Gross profit decreased $0.2 million, from $6.2 million in the
first  quarter of  fiscal 1996 to  $6.0 million  in the first  quarter of fiscal
1997. Gross margins improved from 17.0% in  the first quarter of fiscal 1996  to
19.0%  in  the first  quarter  of fiscal  1997.  This increase  in  gross margin
reflects a favorable  shift in  product mix to  higher margin  products and  the
lower costs of resin used in promotional beverage containers.
 
                                       32
<PAGE>
    SELLING,   GENERAL  AND  ADMINISTRATIVE  EXPENSES:    Selling,  general  and
administrative expenses remained flat  at $1.8 million in  the first quarter  of
fiscal  1996 and the first quarter of  fiscal 1997 but increased as a percentage
of net sales from 4.9% to 5.9% due to lower net sales.
 
    AMORTIZATION EXPENSE:   Amortization  expense decreased  $0.4 million,  from
$0.6  million in the first  quarter of fiscal 1996 to  $0.2 million in the first
quarter  of  fiscal  1997.  The  decrease  is  primarily  attributable  to   the
non-compete  agreement related  to the purchase  of Miner  Container being fully
amortized in fiscal 1996.
 
    OPERATING INCOME:    Operating  income increased  $0.1  million,  from  $3.8
million,  or 10.5%  of net sales,  in the first  quarter of fiscal  1996 to $3.9
million, or 12.6% on net sales, in the first quarter of fiscal 1997,  reflecting
the  favorable change  in product mix  and decreased  amortization expense noted
above.
 
    INTEREST EXPENSE:    Interest  expense decreased  $0.4  million,  from  $2.8
million in the first quarter of fiscal 1996 to $2.4 million in the first quarter
of  fiscal 1997. The decrease  is primarily due to  lower average debt balances.
Interest expense will increase in future periods as a result of the issuance  of
the Senior Secured Notes (as defined below).
 
    INCOME TAXES:  Income taxes increased $0.3 million, from $.04 million in the
first quarter of fiscal 1996 to $.07 million in the first quarter of fiscal 1997
due  to higher earnings. The Company's effective  state and Federal tax rate was
41% in the first quarter of fiscal 1996  and 43% in the first quarter of  fiscal
1997.
 
    INCOME  BEFORE  EXTRAORDINARY ITEM:   For  the  reasons noted  above, income
before extraordinary item increased $0.3 million, from $0.6 million in the first
quarter of fiscal 1996 to $0.9 million in the first quarter of fiscal 1997.
 
    EXTRAORDINARY ITEM, NET OF TAX:   In the first  quarter of fiscal 1997,  the
Company  recorded an  extraordinary write-off net  of taxes of  $1.1 million for
unamortized deferred financing costs  related to bank debt  which was repaid  in
May 1996.
 
FISCAL 1996 COMPARED TO FISCAL 1995
 
    NET  SALES.  Net sales decreased $1.9  million, or 1.4%, from $135.7 million
in fiscal 1995 to $133.8 million in fiscal 1996. Packaging sales increased 7.7%,
from $102.9 million in fiscal 1995, to $110.8 million in fiscal 1996. Net  sales
in  fiscal 1996 to Yoplait, Ross Labs and Dannon increased by $5.1 million, $2.6
million and  $1.5  million, respectively,  over  the  prior fiscal  year  to  an
aggregate  of  $24.0 million,  $20.3  million and  $25.0  million, respectively,
primarily reflecting higher unit volume. Partially offsetting such increases was
the loss  of  certain  low  margin packaging  accounts.  Promotional  cup  sales
declined approximately $5.6 million, or 19.6%, from $28.6 million in fiscal 1995
to  $23.0 million in fiscal 1996, due to fewer customer promotions. Divestiture,
during fiscal 1995, of the housewares  product line acquired in connection  with
the acquisition of Miner Container also resulted in a decline of $4.2 million in
net sales.
 
    GROSS  PROFIT.  Gross  profit increased $0.5 million,  from $21.8 million in
fiscal 1995 to $22.3 million in  fiscal 1996. Gross margins improved from  16.0%
in fiscal 1995 to 16.7% in fiscal 1996. This increase in gross margin reflects a
favorable  shift  in  product mix  to  higher  margin products,  such  as yogurt
containers and shelf stable, multi-layer nutritional supplement containers,  the
discontinuance  of certain lower margin packaging businesses and the divestiture
of the  housewares product  line.  The increase  is  also attributable  to  cost
savings  achieved by closing the Sparks, Nevada, and Louisiana, Missouri plants.
These increases  were  offset,  in  part,  by higher  costs  of  resin  used  in
promotional beverage containers.
 
    SELLING,   GENERAL  AND  ADMINISTRATIVE  EXPENSES.    Selling,  general  and
administrative expenses decreased $1.5 million,  or 17.8%, from $8.4 million  in
fiscal  1995 to $6.9 million in fiscal 1996 and decreased as a percentage of net
sales from 6.2%  to 5.1%. This  decline reflects cost  savings resulting from  a
reduction in administrative staff, a reduction in variable selling expenses as a
result  of fewer  promotional beverage  cup sales  as well  as the  fact that no
management bonuses were paid during fiscal 1996.
 
    AMORTIZATION EXPENSE.   Amortization  expense decreased  $0.7 million,  from
$3.1 million in fiscal 1995 to $2.4 million in fiscal 1996, primarily due to the
completion  of the  amortization in  fiscal 1996  of the  non-compete agreements
entered into in connection  with the purchase of  Miner Container and  Louisiana
Plastics.
 
                                       33
<PAGE>
    OPERATING  INCOME.    Operating  income increased  $10.0  million  from $3.0
million, or 2.2% of net sales, in fiscal  1995 to $13.0 million, or 9.8% of  net
sales,  in fiscal 1996.  Without giving effect to  the $7.3 million nonrecurring
charge taken in fiscal 1995, operating income would have increased $2.8 million,
or 26.8%, from fiscal  1995 to fiscal 1996,  reflecting the favorable change  in
product  mix and the impact of the  cost reductions noted above. As a percentage
of net sales, operating income, without giving effect to the nonrecurring charge
in fiscal 1995, increased from 7.6% in fiscal 1995 to 9.8% in fiscal 1996.
 
    INTEREST EXPENSE.   Interest expense  increased 25.9% from  $8.5 million  in
fiscal  1995  to  $10.7 million  in  fiscal  1996 primarily  due  to accelerated
amortization of deferred financing  costs as a result  of the shortening of  the
maturity of the Old Credit Agreement.
 
    INCOME  TAXES.   Income taxes  increased from a  benefit of  $2.0 million in
fiscal 1995 to an expense of $1.0  million in fiscal 1996 due to pre-tax  income
in  fiscal  1996  as compared  to  a  pre-tax loss  fiscal  1995.  The Company's
effective state and  Federal tax  rate increased from  36.0% in  fiscal 1995  to
43.0% in fiscal 1996.
 
    NET  INCOME (LOSS).  For the reasons stated above, net loss was $3.5 million
in fiscal 1995 compared to net income of $1.3 million in fiscal 1996.
 
FISCAL 1995 COMPARED TO FISCAL 1994
 
    NET SALES.  Net sales increased $16.9 million, or 14.2%, from $118.8 million
in fiscal 1994 to $135.7 million in fiscal 1995. Packaging sales increased 8.4%,
from $94.9 million in fiscal 1994 to $102.9 million in fiscal 1995. Net sales in
fiscal 1995 to  Yoplait, Ross Labs  and Dannon increased  by $2.4 million,  $3.5
million  and  $8.6  million, respectively,  over  the  prior fiscal  year  to an
aggregate of  $18.9  million, $17.7  million  and $23.6  million,  respectively,
primarily  reflecting  higher unit  volume.  Approximately $3.8  million  of the
increase in  sales  to Dannon  was  attributable  to the  acquisition  of  Miner
Container.  Partially offsetting such  increases was a  decline of approximately
$6.5 million in net sales resulting from  the Company's loss of, or decision  to
exit,  certain lower margin packaging  business. Promotional cup sales increased
approximately $6.0 million, or 26.5%, from $22.6 million in fiscal 1994 to $28.6
million in  fiscal 1995,  due to  the  acquisition of  Miner Container  and  the
Company's  participation in nationwide promotions by McDonald's and Burger King.
The housewares product line,  also acquired in connection  with the purchase  of
Miner  Container, contributed  additional net  sales of  $2.9 million  in fiscal
1995.
 
    GROSS PROFIT.    Despite  higher  net sales,  gross  profit  decreased  $3.8
million,  or 14.8%, from $25.6 million in fiscal 1994 to $21.8 million in fiscal
1995. Gross margin declined from 21.5% in  fiscal 1994 to 16.0% in fiscal  1995.
The decline in gross margin was primarily due to manufacturing inefficiencies at
the  Company's former Sparks, Nevada  and Louisiana, Missouri facilities, excess
production capacity and  higher resin  costs for promotional  beverage cups  and
lids.  The  portion of  depreciation  expense reflected  in  cost of  goods sold
increased from $5.0 million (4.2% of net  sales) in fiscal 1994 to $7.3  million
(5.4%  of net sales) in  fiscal 1995 due to  the acquisition of Miner Container.
These costs  were  partially  offset  by  a  favorable  change  in  product  mix
reflecting  increased  sales  of  higher  margin  products,  particularly yogurt
containers and shelf stable, multi-layer nutritional supplement containers.
 
    SELLING,  GENERAL  AND  ADMINISTRATIVE  EXPENSES.    Selling,  general   and
administrative  expenses increased $1.7 million, or  25.4%, from $6.7 million in
fiscal 1994 to $8.4 million in fiscal 1995 and increased as a percentage of  net
sales  from 5.6% to 6.2%.  This increase resulted primarily  from an increase in
selling  and  administrative  staff,  higher  variable  costs  associated   with
increased  sales of promotional beverage cups and the recognition of $560,545 in
management bonus payments in fiscal 1995.
 
    AMORTIZATION EXPENSE.   Amortization  expense increased  $2.0 million,  from
$1.1  million in  fiscal 1994 to  $3.1 million  in fiscal 1995.  The increase is
primarily  attributable  to  the   amortization  of  goodwill  and   non-compete
agreements related to the purchase of Miner Container.
 
    NONRECURRING  CHARGE.    As  described above,  in  fiscal  1995  the Company
incurred a nonrecurring charge of $7.3 million, $6.4 million of which related to
expenses incurred in connection with the closing of
 
                                       34
<PAGE>
manufacturing  facilities  in  Sparks,   Nevada  and  Louisiana,  Missouri   and
consolidation  of operations and $894,000 of  which reflected write-off of costs
associated with a public debt offering that was not completed by the Company.
 
    OPERATING INCOME.   Operating  income decreased  $14.8 million,  from  $17.8
million,  or 15.0% of net sales, in fiscal  1994 to $3.0 million, or 2.2% of net
sales, in  fiscal 1995,  as a  result of  lower gross  margins, higher  selling,
general and administrative expenses and the nonrecurring charge discussed above.
 
    INTEREST  EXPENSE.    Interest  expense increased  $3.0  million,  from $5.5
million in fiscal 1994  to $8.5 million in  fiscal 1995. This increase  reflects
higher  borrowing levels under the Company's  Old Credit Agreement, primarily to
finance the purchase of Miner Container, and slightly higher interest rates.
 
    INCOME TAXES.  Income taxes decreased from $5.1 million in fiscal 1994 to  a
$2.0  million  benefit  in fiscal  1995  due  to lower  earnings.  The Company's
effective state and  Federal tax  rate was  41.0% in  fiscal 1994  and 36.0%  in
fiscal 1995.
 
    INCOME  BEFORE  EXTRAORDINARY  ITEM  AND  CUMULATIVE  EFFECT  OF  CHANGE  IN
ACCOUNTING PRINCIPLE.  For the reasons noted above, income before  extraordinary
item and cumulative effect of change in accounting principle decreased from $7.3
million in fiscal 1994 to a net loss of $3.5 million in fiscal 1995.
 
LIQUIDITY AND CAPITAL RESOURCES
 
    The  Company's  liquidity needs  arise  primarily from  capital investments,
working  capital  requirements  and  principal  and  interest  payments  on  its
indebtedness. The Company has met these liquidity requirements in the past three
fiscal  years primarily  with funds  provided by  long-term borrowings  and cash
generated by operating activities.
 
    In June 1993, Group issued $40.0  million aggregate principal amount of  the
12.5%  Notes and PRI  entered into the  Old Credit Agreement.  Proceeds from the
sale of the 12.5% Notes and borrowings under the Old Credit Agreement were  used
to  (i)  refinance $39.7  million of  PRI's outstanding  senior bank  debt, (ii)
redeem  $24.0  million  aggregate  principal   amount  of  PRI's  13.5%   Senior
Subordinated  Notes  due  1996  (the "13.5%  Notes"),  (iii)  repurchase certain
redeemable preferred stock issued by PRI with an aggregate liquidation value  of
$10.0  million and  (iv) acquire  warrants to purchase  common stock  of PRI for
$13.9 million. In December 1993, PRI borrowed an additional $22.0 million  under
the  Old Credit  Agreement to  fund a  portion of  the purchase  price for Miner
Container. Beginning  in  September 1994,  PRI  failed to  comply  with  certain
financial  covenants under the  Old Credit Agreement,  which caused the interest
rate applicable to  outstanding borrowings  thereunder to increase  to the  Base
Rate  plus 2.0%.  On March 31,  1995, the  agreement was amended  to modify such
covenants, establish the interest rate  applicable to outstanding borrowings  to
the  Base Rate plus 1.5%  and shorten the maturity  of the facility. Since March
1995, the Company has been in compliance with all covenants under the Old Credit
Agreement. See Notes  8 and  9 to  the Company's  financial statements  included
elsewhere in this Prospectus.
 
    On  May 17, 1996, the Company issued the Old Notes. The Company used the net
proceeds of  the  Old  Notes,  among other  things,  to  repay  all  outstanding
borrowings  under the Old Credit Agreement  in the aggregate principal amount of
$73.5 million and pay  a dividend to Group  of approximately $31.7 million  that
enabled  Group to redeem  a portion of  the 12.5% Notes.  In connection with the
Financing Plan, PRI also entered into the Senior Credit Facility, which  enables
PRI  to borrow up to $20.0 million for general working capital purposes, subject
to certain terms and conditions. See "Description of Certain Indebtedness -- The
Senior  Credit  Facility,"  "Use   of  Proceeds"  and  "Capitalization."   These
transactions  are part of the  Financing Plan which was  designed to provide the
Company with  long-term  fixed  rate financing  and  increase  revolving  credit
availability.  As  a  result  of the  Financing  Plan,  the  Company's aggregate
indebtedness for borrowed money and  its interest expense has increased.  During
fiscal  1996,  the  Company's  total interest  expense  was  $10.7  million. The
Company's annual interest expense with respect to the Notes is $12.6 million. As
of May 31, 1996, no amounts  were outstanding under the Senior Credit  Facility.
The  Company's scheduled principal repayments in fiscal 1997 and 1998 will total
$300,000 and $950,000, respectively.
 
                                       35
<PAGE>
    Cash provided by operating activities increased to $7.9 million in the first
quarter of fiscal  1997 from $3.9  million in the  comparable quarter of  fiscal
1996.  The  increase  primarily  reflects a  $4.6  million  increase  in current
liabilities that was primarily due to the timing of trade payables. Other assets
increased $1.9  million  primarily  due  to the  deferral  of  $4.1  million  of
financing  costs related to  the issuance of  the Old Notes.  This was partially
offset by the write-off  of $1.9 million of  deferred financing cost related  to
certain  bank debt that was paid off  in May, 1996. The deferred financing costs
will be amortized  over the life  of the Notes.  Stockholder's equity  decreased
$31.7  million  due to  the  dividend payment  to  the sole  stockholder  of the
Company.
 
    Cash provided by  operating activities  in fiscal  1996 and  1995 was  $11.8
million  and $11.5  million, respectively.  In fiscal  1996, cash  provided from
operations declined  due to  a  decrease in  accounts  payable of  $5.9  million
attributable,  in part, to  a reduction in  inventories of $3.6  million and the
timing of payments to suppliers. Despite a net loss in fiscal 1995, the  Company
had an increase in cash from operations due to a decrease in receivables of $5.7
million.  This was partially  offset by a  decrease in accrued  expenses of $3.4
million primarily  due to  interest and  acquisition reserves.  In fiscal  1994,
operating  activities resulted in a  net use of cash  of $4.5 million. In fiscal
1994, the Company's net use of cash resulted from substantial changes in certain
working capital  requirements that  more  than offset  the favorable  impact  of
higher  net income  before non-cash  charges. These  changes in  working capital
items primarily  involved an  increase  in inventories  of  $5.3 million  and  a
decline  in accrued expenses  of over $8.2 million.  The increase in inventories
reflects higher levels of inventory, including production molds, necessitated by
the growth in  sales over the  prior fiscal year  as well as  the impact of  the
timing  of resin  deliveries. The decline  in accrued expenses  results from the
expenditure of  financing costs  in  connection with  the 1993  Transaction  and
amounts  reserved in connection with the  acquisitions of Louisiana Plastics and
Miner Container to fund integration and consolidation initiatives.
 
    Capital expenditures  were  $0.7 million  and  $1.9 million  for  the  first
quarter   of  fiscal  1996  and  1997,  respectively.  PRI's  estimated  capital
expenditures for the  balance of  fiscal 1997 are  expected to  range from  $7.0
million  to  $8.0 million.  These expenditures,  which  are intended  to further
expand production capacity  and reduce  costs, include (i)  the engineering  and
manufacture  of  new  production  molds,  (ii)  the  installation  of  automated
packaging and  handling  systems,  and  (iii) the  expansion  of  the  Company's
warehouse space.
 
    Excluding  the acquisitions of  Louisiana Plastics and  Miner Container, the
Company's capital expenditures for fiscal 1994, 1995 and 1996 were $5.6 million,
$7.9 million and $3.4 million,  respectively. These expenditures primarily  were
incurred  to expand manufacturing  capacity, including the  development of molds
for new products or modified versions  of existing products, and to replace  and
upgrade existing equipment. PRI's estimated capital expenditures for fiscal 1997
are  expected to range  from $7.0 million to  $10.0 million. These expenditures,
which are  intended to  further  expand production  capacity and  reduce  costs,
include  (i) the engineering  and manufacture of new  production molds, (ii) the
installation  of  automated  packaging  and  handling  systems,  and  (iii)  the
expansion of the Company's warehouse space.
 
    Although  there  can  be no  assurances,  the Company  anticipates  that its
operating cash flow, together with borrowings under the Senior Credit  Facility,
will   be  sufficient  to   meet  its  operating   expenses,  projected  capital
expenditures and debt service requirements as they become due.
 
    Instruments governing  the  Company's  indebtedness,  including  the  Senior
Credit  Facility and the  Indenture, contain financial  and other covenants that
restrict,  among  other  things,  the  Company's  ability  to  incur  additional
indebtedness,  incur  liens,  pay  dividends or  make  certain  other restricted
payments, consummate certain asset sales,  enter into certain transactions  with
affiliates,  merge  or  consolidate  with  any  other  person  or  sell, assign,
transfer, lease, convey or otherwise dispose of substantially all of the  assets
of  the Company. Such limitations, together  with the highly leveraged nature of
the Company,  could  limit corporate  and  operating activities,  including  the
Company's  ability to respond to market  conditions to provide for unanticipated
capital investments or to  take advantage of  business opportunities. See  "Risk
Factors -- Leverage; Restrictive Covenants."
 
                                       36
<PAGE>
SEASONALITY
 
    The Company's business is somewhat seasonal in nature with its fourth fiscal
quarter  historically the weakest due to  lower consumer demand for refrigerated
yogurt and  soft  drink products.  The  Company's working  capital  requirements
historically  have been relatively constant throughout  the year but are subject
to periodic fluctuations  due to,  among other  things, large  volume orders  of
promotional beverage cups that require increased inventories.
 
INCOME TAX MATTERS AND IMPACT OF CERTAIN ACCOUNTING POLICIES
 
    Effective  March 1, 1993, the Company  adopted the accounting principles set
forth in  SFAS  109  "Accounting  for  Income  Taxes."  SFAS  109  requires  the
recognition  of  deferred  tax assets  and  tax liabilities  for  operating loss
carryforwards and certain  taxable and  deductible differences  between the  tax
basis  of  an  asset or  liability  and  the corresponding  amount  reported for
financial statement purposes. The adoption of  SFAS 109 resulted in a charge  to
net income of $2.3 million in fiscal 1994. At February 29, 1996, the Company had
net  operating loss carryforwards ("NOL's") of approximately $12.3 million which
will expire at various  dates through 2011. Such  NOL's are available to  reduce
future  taxable  income for  Federal  income tax  purposes  under a  tax sharing
agreement with HPH. See "Certain Transactions -- Tax Sharing Agreement."
 
    In connection  with  the  acquisition  of Miner  Container,  PRI  agreed  to
indemnify  the former owners for  up to $2.3 million  of tax liabilities arising
from the operations of an affiliate  of Miner Container. During fiscal 1996  the
Company  paid  approximately $1.5  million of  this  obligation. The  Company is
unable to estimate whether or to what extent it will be obligated to make future
payments in respect of  such liabilities. Any payment  made by the Company  will
result in a corresponding increase in the excess of purchase price over the fair
market value of the net assets acquired attributed to this acquisition. See Note
2 to the Company's financial statements included elsewhere in this Prospectus.
 
INFLATION
 
    The principal component of the Company's products is resin. In recent years,
resin  prices have  fluctuated, in part,  due to  industry capacity, consumption
levels of  resins and  changes in  the  cost of  feed stocks.  In the  event  of
significant  inflationary pressures,  the cost  of the  Company's raw materials,
including resins,  may increase.  Under supply  agreements with  customers  that
accounted  for approximately 57% of the Company's  net sales in fiscal 1996, the
Company has the ability to  pass through resin price  increases (as well as  the
obligation  to credit any resin price decreases). In the case of sales which are
not made pursuant to supply agreements containing such pass-through  provisions,
the  Company historically has  passed on increases  in resin prices  (as well as
decreases in resin  prices) to  its customers through  price adjustments.  Sales
prices  for promotional beverage  cups are generally determined  in advance of a
promotion and, accordingly, the Company bears the risk of resin price  increases
while  producing such products. Because plastic resin is the principal component
in the Company's  products, the  Company's financial  performance is  materially
dependent  on its  ability to  pass resin  price increases  on to  its customers
through contractual arrangements or otherwise. There can be no assurance that  a
significant  increase in resin  prices would not  negatively impact the Company.
See "Risk Factors -- Exposure to Fluctuations in Resin Cost and Supply."
 
                                       37
<PAGE>
                                    BUSINESS
 
GENERAL
 
    The Company  is a  leading  developer, manufacturer  and marketer  of  rigid
plastic  packaging, serving primarily as a supplier of customized containers for
national  branded  consumer  products.  The  Company  is  the  largest  domestic
manufacturer  of  refrigerated  yogurt  containers,  shelf  stable,  multi-layer
(impermeable to air  and moisture)  containers for  nutritional supplements  and
frosting  containers. The Company also believes that it is the largest designer,
manufacturer and supplier  of promotional  beverage cups in  the United  States,
marketing these products primarily to the fast-food and beverage industries. For
the  fiscal year  ended February  29, 1996, the  Company generated  net sales of
$133.8 million. Approximately 82.8%  of the Company's net  sales in such  period
were  attributable to rigid plastic packaging  and 17.2% to promotional beverage
cups.  In  fiscal  1996,  the  Company  produced  almost  four  billion  plastic
containers, cups and lids.
 
    The  Company's packaging products are sold  to over 450 customers, including
manufacturers of national branded food,  dairy and pharmaceutical products  such
as  General Mills, including Yoplait, Dannon,  Ross Labs, Haagen Dazs, Procter &
Gamble and  Pillsbury. The  Company  is also  a  major supplier  of  promotional
beverage  cups to over  150 companies in the  fast-food and beverage industries,
including McDonald's, Burger King, Pizza Hut, Hardee's, Taco Bell, Coca-Cola and
Pepsi.
 
    The Company's rigid plastic packaging  business has benefitted from, and  is
positioned  to continue  to participate  in, the growth  of the  markets for its
customers'  products,   particularly   refrigerated   yogurt   and   nutritional
supplements.  According to data compiled by Find/SVP, between 1991 and 1994 U.S.
retail yogurt sales grew 9.6%, 11.4% and  7.0% from fiscal 1991 to fiscal  1992,
from  fiscal  1992  to  fiscal  1993  and  from  fiscal  1993  to  fiscal  1994,
respectively, or at a compound annual rate of 10.6%, reaching approximately $2.0
billion in 1994. The compound annual  rate has been presented as an  alternative
to  cumulative or average annual growth rates because it indicates what the rate
of growth would be  had such rate  been constant year to  year over the  periods
discussed; however, the compound annual rate should not be confused with year to
year or other measures of growth rates. This expansion of the U.S. yogurt market
resulted,  in part,  from new  product innovations such  as lower  fat and lower
calorie product offerings,  the introduction of  new flavors and  consistencies,
the  increasing  recognition  of yogurt's  nutritional  benefits  and innovative
packaging solutions targeting  niche market segments.  Despite this growth,  the
Company  believes  U.S. yogurt  consumption still  lags  behind that  of Europe.
During 1991 and  1992, the  most recent periods  examined by  Find/SVP, the  per
capita  consumption of yogurt in Europe was six times that in the U.S. Net sales
of Ross Labs' ENSURE-Registered Trademark- ready-to-drink nutritional supplement
increased 20% in 1995, reflecting, in part, the aging of the U.S. population and
the corresponding  growth  in the  market  for  such products.  Based  on  these
industry   and  demographic   factors,  management   expects  the   markets  for
refrigerated yogurt  and nutritional  supplements to  continue to  grow for  the
foreseeable future.
 
COMPETITIVE STRENGTHS
 
    The  Company  attributes  its  leading  market  positions  to  the following
factors:
 
        WELL ESTABLISHED CUSTOMER RELATIONSHIPS.  The Company has  long-standing
    customer  relationships, in many  instances as a  sole source supplier under
    multi-year supply agreements. Yoplait, Dannon and Ross Labs, which accounted
    for over 50% of fiscal  1996 sales, have been  customers of PRI since  1979,
    1984 and 1991, respectively. In addition, the Company's established position
    with  its largest customers is evidenced by  its status as the sole supplier
    of such customers' most  popular sized containers,  including the six  ounce
    container  for Yoplait, the four, six  and eight ounce containers for Dannon
    and   the    eight   ounce    multi-layer   container    for   Ross    Labs'
    ENSURE-REGISTERED  TRADEMARK-  nutritional supplement.  PRI's status  as the
    sole supplier  of such  containers  positions the  Company to  benefit  from
    future  growth in  these product  markets. In  recognition of  the Company's
    performance, Ross Labs  recently awarded  PRI certified  supplier status  in
    Ross Labs' Partners in Excellence Program.
 
        CUSTOMER  INTEGRATED PRODUCT DEVELOPMENT AND MANUFACTURING.  The Company
    has worked closely with  its customers in all  phases of product design  and
    production   and  has  invested  heavily  in  customer-driven  research  and
    development activities. For example, PRI developed the
    Autoweld-Registered Trademark- system, a
 
                                       38
<PAGE>
    technology that enables Yoplait to  assemble, fill and seal its  distinctive
    cone-shaped  container.  Yoplait  leases  from  the  Company  the  equipment
    necessary to operate  the Autoweld-Registered Trademark-  system for use  in
    Yoplait's  production facilities. For Dannon,  the Company recently designed
    and developed a  four ounce  yogurt cup targeted  for the  food service  and
    children's  markets. The Company also worked  successfully with Ross Labs to
    develop  the  shelf  stable,  multi-layer  packaging  applications  for  its
    nutritional  supplements and  infant formula  product lines.  In promotional
    cups, the  Company  has  worked  closely with  several  of  its  promotional
    beverage  cup  customers  to  develop  new  and  distinctive high-definition
    graphic designs. In  1993, for example,  the Company was  the winner of  the
    McDonald's  Performance Award  for the  "Jurassic Park"  promotional cup. In
    addition, the Company's facilities are  located, in most cases, adjacent  to
    or   within  close   proximity  to  its   largest  customers'  manufacturing
    operations, which has created  manufacturing and distribution  efficiencies.
    As  more of the Company's  customers adopt "just-in-time" inventory systems,
    these efficiencies have become increasingly important.
 
        STATE-OF-THE-ART MANUFACTURING TECHNOLOGIES.   The Company, through  its
    five  manufacturing  facilities,  has developed  production  capabilities in
    injection molding, thermoforming and pressure forming and believes it is the
    only manufacturer in the rigid plastic packaging industry with  capabilities
    in  all  three  such  processes.  Because  each  of  these  processes offers
    advantages in  achieving certain  performance  features such  as  structural
    strength,  rigidity and graphics retention, the Company is able to be highly
    responsive to customer  requirements and preferences  by offering a  broader
    range  of packaging alternatives  than its competitors.  The Company's three
    technical facilities  feature  design,  engineering,  prototype  production,
    graphics and diagnostic capabilities. Management believes that the Company's
    in-house   capability  to  design,  engineer   and  build  production  molds
    distinguishes the  Company from  many of  its competitors.  This  capability
    provides  PRI with an important competitive advantage in maintaining product
    quality as well as in controlling design, development and maintenance costs.
    To satisfy  the rigorous  quality control  standards of  its customers,  the
    Company  maintains a comprehensive quality  assurance program. During fiscal
    1996, based on internal estimates, the return rate for all of the  Company's
    products was less than one quarter of one percent.
 
        ADVANCED  GRAPHICS TECHNOLOGIES.  Management believes that the Company's
    MasterColor  printing  system,  which  produces  high  definition   graphics
    utilizing   a   computer  controlled   nine   color  press,   is   the  most
    technologically advanced  color  processing  system  in  the  rigid  plastic
    packaging  and promotional  beverage cup industries.  The MasterColor system
    enables  the  Company  to  create  photograph  quality  images  on   plastic
    containers at speeds comparable to conventional high speed printers and thus
    provides  an important  competitive advantage. Although  the Company employs
    the MasterColor system  primarily in  the printing  of promotional  beverage
    cups,  management  believes significant  opportunities  exist to  apply this
    technology to create more sophisticated and colorful designs for other forms
    of plastic packaging as  manufacturers of branded  products seek to  enhance
    and distinguish the image of their products on store shelves.
 
        LOW  COST PRODUCTION.  The Company believes that its manufacturing costs
    are among the lowest in its industry primarily due to: (i) the economies  of
    scale  provided by the Company's high  volume production; (ii) the Company's
    use of  state-of-the-art molds  and manufacturing  techniques that  minimize
    resin  requirements,  reduce  waste  and  enhance  productivity;  (iii)  the
    Company's ability to obtain favorable resin pricing based on its substantial
    purchase requirements; (iv) the low transportation costs resulting from  the
    proximity of the Company's six manufacturing and warehouse facilities to its
    major  customers;  and  (v)  the  Company's  continual  efforts  to  achieve
    operating efficiencies  and increase  productivity.  Over the  past  several
    years,   the   Company  has   significantly   upgraded  and   automated  its
    manufacturing operations, consolidated certain manufacturing facilities  and
    centralized all of its administrative functions to reduce costs and increase
    efficiency.
 
    The  Company was founded in 1984 to  capitalize on the growth in outsourcing
among nationally branded  food producers  for their packaging  needs. Since  its
formation,  the Company has made six  strategic acquisitions which have expanded
the  Company's  product  mix  and   enhanced  its  competitive  position.   Most
 
                                       39
<PAGE>
recently,  during  fiscal  1994,  the Company  acquired  Louisiana  Plastics and
substantially all the assets of Miner Container, which established market  share
leadership  in promotional  beverage cups, increased  injection molding capacity
and packaging sales and provided the MasterColor graphics technology.
 
    The Company believes that  the fundamental benefits  of plastic relative  to
other  packaging materials, including (i)  design versatility, (ii) light weight
and low cost,  (iii) strength and  durability, (iv) insulating  ability and  (v)
clarity,  will promote  opportunities for growth  in sales  and profitability in
both the rigid plastic  packaging and promotional  beverage cup industries.  The
Company   further  believes  it  is   well-positioned  to  capitalize  on  these
opportunities through its advanced, low-cost, customer-oriented operations.
 
STRATEGY
 
    The Company's strategy is  to enhance its position  in the industry by:  (i)
participating  in  the  growth being  experienced  by its  largest  customers by
continuing to  meet their  increasing packaging  needs; (ii)  strengthening  its
relationships  with  these  existing  customers  by  continuing  to  provide new
value-added products  and  services;  (iii) expanding  into  new  packaging  and
promotional  cup products and markets; and (iv) continuing to seek opportunities
to reduce manufacturing costs and enhance productivity.
 
        GROWTH WITH EXISTING CUSTOMERS.  The  Company will continue to focus  on
    meeting  the rigid plastic packaging needs  of Yoplait, Dannon and Ross Labs
    to keep pace with  the growth in  the markets for  their products. Based  in
    part on growth in domestic consumption of refrigerated yogurt, the Company's
    net  sales  to  Yoplait and  Dannon,  who  rely on  the  Company  to provide
    substantially all of their single-serving yogurt containers, have  increased
    13.1%,  14.6%, 34.9% and 15.5% from fiscal  1992 to fiscal 1993, from fiscal
    1993 to fiscal 1994, from fiscal 1994 to fiscal 1995 and from fiscal 1995 to
    fiscal 1996, respectively, or at a  compound annual growth rate of over  19%
    during the last four years. In addition, the Company's net sales as the sole
    source   supplier   of  multi-layer   containers  to   Ross  Labs   for  its
    ENSURE-REGISTERED TRADEMARK- nutritional supplement and
    SIMILAC-REGISTERED TRADEMARK- infant  formula grew 75.5%,  11.2%, 24.9%  and
    11.6% from fiscal 1992 to fiscal 1993, from fiscal 1993 to fiscal 1994, from
    fiscal   1994  to  fiscal  1995  and   from  fiscal  1995  to  fiscal  1996,
    respectively, or at a compound annual rate in excess of 29% during the  last
    four years.
 
        NEW  APPLICATIONS FOR EXISTING CUSTOMERS.  The Company intends to expand
    its relationships  with existing  customers by  developing new  applications
    based  on  its extensive  manufacturing  capabilities and  advanced graphics
    technologies. For example, the  Company applied thin-wall technology,  which
    combines  structural  strength  with  reduced cost  and  weight,  to develop
    Dannon's six and eight ounce containers. In addition, the Company  developed
    the six ounce multi-layer container presently used by Yoplait which features
    a glossy exterior finish designed to enhance graphics.
 
        NEW  PRODUCTS AND  MARKETS.   The Company  plans to  expand into related
    product lines serving new markets with several products under development in
    both rigid plastic packaging and promotional beverage cups. With respect  to
    packaging,  management believes  there will be  significant opportunities to
    expand the  Company's  shelf stable,  multi-layer  packaging to  the  extent
    plastic  containers  are substituted  for  metal, glass  and  composites for
    products requiring extended shelf life, such as condensed soups, vegetables,
    baby foods and pet foods. In promotional beverage cups, the Company recently
    entered the professional sports and college stadium cup market and also  has
    under  development a  number of  new products, including  a new  cup for the
    gourmet coffee market. In addition, in both packaging and promotional  cups,
    the  Company  intends  to  leverage its  advanced  graphics  capabilities by
    introducing new products  which highlight its  high definition printing  and
    quality  designs. The Company believes  these initiatives will reinforce its
    reputation as an innovative, value-added marketing partner for its customers
    while adding to future profitability.
 
        CONTINUED COST  REDUCTION AND  PRODUCTIVITY ENHANCEMENTS.   The  Company
    continually seeks opportunities to reduce its costs and improve productivity
    to  maintain  its  competitive  position  as  a  low-cost  manufacturer. For
    example,  following  the  acquisition  of  Miner  Container  and   Louisiana
    Plastics,   the  Company  selectively   consolidated  certain  manufacturing
    facilities  and  centralized  administrative  functions.  During  the  first
    quarter  of  fiscal 1997,  the Company  completed  the consolidation  of its
    Lenexa, Kansas printing operation into the Kansas City, Missouri facility to
    reduce overhead and
 
                                       40
<PAGE>
    transportation costs  and  increase manufacturing  productivity.  In  fiscal
    1997,  the Company intends to initiate  projects to further reduce costs and
    enhance productivity, by, among other  things, increasing the automation  of
    its packaging and handling systems.
 
PRODUCTS AND CUSTOMERS
 
    The  Company's  products  are  divided into  two  categories:  rigid plastic
packaging and promotional beverage cups.
 
RIGID PLASTIC PACKAGING
 
    The Company  serves a  number  of niche  markets  within the  rigid  plastic
packaging  industry  with products  that include  various sizes  of refrigerated
yogurt containers, multi-layer containers for nutritional supplements and infant
formula and frosting cans and lids. The Company also produces container lids for
manufacturers of cottage  and ricotta  cheeses, whipped  toppings, teas,  potato
chips, dry soups, margarine, ice cream, cookie dough and dry roasted nuts.
 
    The  Company sells its products to  over 450 customers throughout the United
States, including the  following manufacturers of  nationally branded  products,
which, in the aggregate, accounted for 66.8% of fiscal 1996 net sales:
 
<TABLE>
<S>                   <C>                                    <C>
   General Mills                    Pillsbury                 Yoplait (a division of General
                                                                          Mills)
  Procter & Gamble             Tetley Tea Company                     General Foods
 The Dannon Company   Ross Labs (a division of Abbott Labs)            Haagen Dazs
</TABLE>
 
    The   Company  supplies  substantially  all  of  the  single-serving  yogurt
containers used by Dannon and Yoplait, which in 1995 had a combined 58.2%  share
of the U.S. refrigerated yogurt market according to Information Resources, Inc.,
a  market research  firm. The  Company's net sales  to these  two customers have
grown 13.1%, 14.6%, 34.9% and 15.5% from fiscal 1992 to fiscal 1993, from fiscal
1993 to fiscal 1994,  from fiscal 1994  to fiscal 1995 and  from fiscal 1995  to
fiscal  1996, respectively, or at a compound  annual rate of over 19% during the
last four years.  The Company  is the sole  source supplier  of the  multi-layer
plastic  container  used  by  Ross  Labs  for  its  ENSURE-REGISTERED TRADEMARK-
nutritional supplement and SIMILAC-REGISTERED TRADEMARK- infant formula  product
lines.  Net sales to Ross  have grown 75.5%, 11.2%,  24.9% and 11.6% from fiscal
1992 to fiscal 1993, from fiscal 1993 to fiscal 1994, from fiscal 1994 to fiscal
1995 and from fiscal 1995 to fiscal 1996, respectively, or at a compound  annual
rate in excess of 29% during the past four years. The high rate of growth in net
sales  to Ross  Labs between  fiscal 1992  and fiscal  1993 reflects  Ross Labs'
continuing conversion from metal containers to the Company's plastic containers,
which began  in  1991  and  which the  Company  believes  is  now  substantially
complete.  Such  rate  also reflects  Ross  Labs'  introduction in  1992  of the
Company's   shelf   stable   plastic   container   for   a   portion   of    its
SIMILAC-REGISTERED  TRADEMARK- infant formula product  line. The Company is also
the sole supplier of plastic frosting cans and lids for Pillsbury and Procter  &
Gamble  and supplies substantially all the  frosting containers and lids used by
General Mills.
 
    The Company believes that the markets for yogurt and nutritional supplements
will continue to  grow in  the foreseeable  future, providing  the Company  with
significant  opportunities to expand  its business. According  to Find/SVP, U.S.
retail sales of refrigerated yogurt grew  9.6%, 11.4% and 7.0% from fiscal  1991
to  fiscal 1992, from fiscal 1992 to fiscal  1993 and from fiscal 1993 to fiscal
1994, respectively, or at a compound annual rate of 10.6% between 1991 and 1994.
Despite this growth,  the Company  believes U.S. yogurt  consumption still  lags
behind that of Europe. The U.S. yogurt industry is aggressively promoting yogurt
in an effort to raise U.S. consumption to European levels where, during 1991 and
1992,  the per capita consumption was 25.9  pounds versus 4.3 pounds in the U.S.
New products,  including  yogurt/mix-ins  and low  fat/calorie  offerings,  have
served  to increase the market. New flavors such as tropical fruit and indulgent
flavors like chocolate  and amaretto are  helping to expand  the yogurt  product
category,  as are new products targeted  at children and specific ethnic groups.
Because Ross Labs' ENSURE-REGISTERED  TRADEMARK- nutritional supplement is  most
often prescribed for the elderly, its consumption growth should be helped by the
aging of the U.S. population.
 
    The  only  shelf stable  packaging  products presently  manufactured  by the
Company are the containers  for the nutritional  supplements and infant  formula
produced  by  Ross  Labs.  Ross  initially  marketed  these  products  in  metal
containers but began switching to  the Company's plastic containers (with  metal
lids) in
 
                                       41
<PAGE>
1991.  Ross Labs  has advised the  Company that  it made the  switch for several
reasons, including reduced  freight costs  due to  the lower  weight of  plastic
containers,  lower return  rates based on  the ability of  plastic containers to
resist denting and consumer preference. The Company believes that Ross Labs  has
converted the packaging for substantially all of its
ENSURE-REGISTERED  TRADEMARK- nutritional supplement product to its shelf stable
plastic containers. In 1992,  Ross Labs began using  the Company's shelf  stable
plastic  container  for a  portion of  its SIMILAC-REGISTERED  TRADEMARK- infant
formula product line. The Company believes that the use of plastic containers by
Ross Labs for SIMILAC-REGISTERED TRADEMARK- infant formula has increased  during
the  past four years,  but that such  containers continue to  account for only a
minor portion  of Ross  Labs'  total sales  of  such products.  In  management's
opinion,  the continued  conversion of  these containers  from metal  to plastic
provides the Company with a significant opportunity for growth. Management  also
expects  that there  will be significant  opportunities to  expand the Company's
product line  of  shelf  stable  multi-layer packaging  to  the  extent  plastic
containers  are substituted for metal, glass  and composite containers for other
products requiring extended  shelf life,  such as  condensed soups,  vegetables,
baby  foods  and  pet  foods.  The  Company  is  also  marketing  its  packaging
capabilities to food  and other companies  that currently use  metal, glass  and
composite containers.
 
PROMOTIONAL BEVERAGE CUPS
 
    The  Company is engaged in  the design, manufacture and  marketing of a wide
assortment of  promotional beverage  cups. Management  believes the  market  for
promotional  beverage cups  has expanded  rapidly in  recent years  and that the
Company's superior graphics  technology, low-cost molding  capabilities and  new
product innovation have made it the largest manufacturer of promotional beverage
cups  in  the  United States.  The  Company's promotional  cup  products include
beverage cups ranging  in size from  12 ounces  to 64 ounces.  In addition,  the
Company  recently entered the professional sports and college stadium cup market
and has under development a number of new products, including a new product  for
the gourmet coffee market. The Company believes that its ability to leverage its
unique  printing and design  capabilities will enable it  to continue to develop
innovative, value-added products.
 
    Promotional beverage  cups  historically  have  been  marketed  directly  to
fast-food  and beverage companies,  such as McDonald's,  Burger King, Pizza Hut,
Hardee's, Taco Bell, Coca-Cola and Pepsi,  as well as to specialty  distributors
for  resale to fast-food and beverage companies, sports stadiums, movie theaters
and food  service  companies. In  recent  years, the  Company  has  manufactured
promotional  beverage cups featuring blockbuster movie releases and professional
sports personalities for  customers such as  McDonald's (as one  of the  primary
suppliers  for its "Jurassic  Park" and NBA Legends  promotions) and Burger King
(as a supplier  for the  "Lion King"  promotion). The  promotional beverage  cup
business  is seasonal and generally peaks with consumption of soft drinks during
the spring and summer months. This  business is primarily supported by  beverage
companies  attempting to  stimulate syrup  sales to  fast-food operators  and by
fast-food companies featuring  promotional cups  with theme  action figures  and
personalities in connection with campaigns linked to the release of major motion
pictures  or  sporting  events.  In  fiscal  1996,  Hardee's,  McDonald's  and a
specialty distributor  with  whom  the  Company no  longer  has  a  relationship
accounted  for the majority of the Company's promotional beverage cup sales. See
"-- Marketing and Sales."
 
MARKETING AND SALES
 
    The Company directs its sales  effort by utilizing its technical  expertise,
diverse  production capabilities (thermoforming,  injection molding and pressure
forming) and graphics capabilities  to serve the needs  of its new and  existing
customers.  The  Company's comprehensive,  multiple-channel sales  and marketing
approach includes both  the personnel in  its technical centers  as well as  its
direct  sales force.  By utilizing  the capabilities  provided by  its technical
centers and staff, the Company is able to create prototypes when introducing new
products or concepts  to its  customers. Recently, to  complement its  technical
marketing capabilities, the Company has increased the number of its direct sales
representatives  both  to  strengthen  existing  relationships  and  develop new
relationships. Sales representatives marketing rigid plastic packaging solutions
focus on national branded consumer food producers, while representatives selling
promotional beverage cups focus on soft drink distributors, fast food chains and
stadium promoters. The Company's emphasis on a direct sales approach  represents
a  strategic initiative to  reduce the use  of indirect sales  channels, such as
specialty distributors,  and strengthen  relationships  with end  customers.  In
March  1996, a promotional beverage  cup distributor terminated its relationship
with   the   Company    in   order    to   distribute   on    a   sole    source
 
                                       42
<PAGE>
basis  plastic beverage cups  produced by another  manufacturer. In fiscal 1996,
this distributor accounted for  approximately 4.7% of  the Company's net  sales.
The  Company has established contacts with  this distributor's end use customers
through its  practice of  direct shipment,  and is  aggressively pursuing  these
customers  on a direct basis. The Company  does not believe that the termination
of its relationship with this  distributor will materially and adversely  affect
its business.
 
    Customer  relationships  in  the food,  dairy  and  pharmaceutical packaging
industry generally are  developed and  maintained over  extended periods.  These
relationships  develop  because of  the  high degree  of  coordination necessary
between packaging suppliers and their  customers to ensure that packaging  parts
conform  precisely to the tolerances of the high speed automated filling systems
commonly  employed  by  customers.  The   integration  of  product  design   and
manufacturing  along with inventory management  and distribution systems provide
suppliers, such  as  PRI,  with  a  competitive  advantage  in  maintaining  and
expanding  business  with established  customers.  Management believes  that the
Company's existing  customers, which  include several  of the  leading  consumer
products  companies in the  United States, represent an  important source of new
business opportunities through  the modification of  existing packaging and  the
development of new applications.
 
    Pursuant to multi-year supply agreements with Yoplait, Dannon and Ross Labs,
PRI  manufactures and sells substantially all of the plastic containers required
for the yogurt products of Dannon and Yoplait and the nutritional supplement and
infant formula products of  Ross Labs. The prices  provided for in these  supply
agreements  generally  are  based  on  volume  levels  and  are  subject  to (i)
adjustments  for  increases  or  decreases  in  resin  prices  and  (ii)  annual
negotiated  adjustments relating  to cost elements  other than  resin price. The
products manufactured  under  these  agreements generally  require  the  use  of
proprietary  tooling  and molds,  some of  which  are owned  by the  Company. In
certain cases,  the  tooling and  molds  owned by  the  Company are  subject  to
purchase  options which may be exercised by the customer upon termination of the
applicable supply agreement.  Certain of  these supply  agreements prohibit  the
Company  from  selling similar  containers  to the  customer's  competitors. The
Company's current supply agreement with Dannon for eight ounce containers, which
commenced in  January 1992,  expires  in December  1999. The  Company's  current
supply agreements with Dannon for four ounce containers, which commenced in June
1992,  and  six  ounce containers,  which  commenced  in March  1991,  expire in
December 1997. The Company's current supply agreement with Yoplait commenced  in
June  1992 and expires in July 1997. The current supply agreement with Ross Labs
was entered  into in  January 1991  and expires  in December  1996, but  may  be
terminated  by Ross Labs  upon six month's  prior written notice  to PRI. All of
PRI's  supply  agreements  require  PRI  to  satisfy  certain  product   quality
standards.  Yoplait, Dannon and Ross Labs have been customers of the Company (or
businesses acquired by  the Company)  since 1979, 1984  and 1991,  respectively.
While  PRI anticipates that, upon expiration, it will be able to extend or renew
its existing  supply  agreements with  its  customers on  substantially  similar
terms, no assurance can be given that it will be able to do so.
 
MANUFACTURING
 
    The  Company has production capabilities in injection molding, thermoforming
and pressure forming,  and believes  it is the  only manufacturer  in the  rigid
plastic  packaging industry  with capabilities  in all  three processes. Because
each of  these  processes offers  advantages  in achieving  certain  performance
features  such  as structural  strength,  rigidity and  graphics  retention, the
Company is able to be highly responsive to customer requirements and preferences
by offering  a broader  range of  packaging alternatives  than its  competitors.
During  fiscal 1996,  approximately 65% of  the Company's  revenues were derived
from products manufactured using the injection molding process, including all of
the Company's  promotional beverage  cups. Thermoforming  is currently  used  to
manufacture  substantially all  of the packaging  produced for  Yoplait and Ross
Labs. The Company  employs the pressure  forming process in  the manufacture  of
certain relatively low-volume products.
 
    Management  believes  that  the  Company  is  the  largest  manufacturer  of
injection  molded  products  in  the   domestic  rigid  plastic  packaging   and
promotional beverage cup industries. Injection molding involves the injection of
molten  plastic  into  multi-cavity  male and  female  molds  at  extremely high
temperatures and the application  of pressure to force  the plastic to take  the
desired  form. The  Company operates  89 high  speed injection  molding machines
utilizing modern  multi-cavity hot  and cold  runner molds.  The Company's  four
 
                                       43
<PAGE>
660  ton clamp capacity injection molding  machines are designed specifically to
produce lightweight, thin-walled  parts and are  among the most  technologically
advanced  machines of their  kind. They are  controlled by micro-processors that
provide   statistical   process   control   and   state-of-the-art    diagnostic
capabilities.  Unlike  most of  its competitors,  the  Company has  the in-house
capability to  design,  test and  produce  production molds  for  its  injection
molding machines.
 
    Injection  molding generally provides  more flexibility in  part design than
other forming processes. The use of  male and female molds allows both  interior
and  exterior  surfaces to  incorporate  special design  features.  In addition,
injection molding results in highly uniform parts with surfaces that can be more
easily textured, pigmented  and decorated. Further,  injection molding  requires
relatively little floor space, thus reducing associated overhead costs.
 
    In  the thermoforming process, an extruded  sheet formed from plastic resins
is rolled  over a  multi-cavity female  steel  mold and  heated to  its  precise
melting  point. Parts  are then formed  and cut with  a vacuum mold  in a single
operation. As  with injection  molding, the  process concludes  with the  molded
product  being  ejected  for automated  handling  and  processing. Thermoforming
employs molds  with higher  cavitations  than are  presently feasible  in  other
manufacturing  processes and,  therefore, is  a low-cost  means of manufacturing
customized packaging products for  high volume markets. Moreover,  thermoforming
equipment  can  be retooled  relatively  quickly and  inexpensively,  making the
process well-suited for  production runs  requiring fast  changeover times.  The
Company  has developed thermoforming technologies  that enable substantially all
unused portions  of the  extruded  sheet to  be  immediately recycled  into  the
manufacturing process, resulting in reduced product cost and waste.
 
    When  employed in  conjunction with co-extrusion,  thermoforming permits the
manufacture of shelf stable plastic containers with excellent rigidity and  heat
resistance properties. Under this process, materials that combine to incorporate
the  precise properties required  by the customer are  co-extruded into a multi-
layer sheet and then thermoformed into a container. In the manufacture of  shelf
stable  plastic packaging, the co-extruded  sheet contains a co-polymer material
such  as  vinyl  alcohol  which  effectively  prevents  gas  and  moisture  from
permeating  a container. The Company maintains seven thermoforming lines, six of
which employ co-extrusion. These lines  are used principally in the  manufacture
of  yogurt  containers  and  packaging for  nutritional  supplements  and infant
formula. The Company believes that its thermoforming and co-extrusion  abilities
are among the most advanced in the rigid plastic packaging industry.
 
    In the pressure forming process, an extruded plastic sheet is heated to just
below  its melting point and rolled over a multi-cavity steel mold. As the still
solid sheet passes over the mold, a plug presses the material into the mold  and
the  forming is completed by air  pressure. While pressure forming cannot employ
the highest cavity molds used in thermoforming, pressure forming molding  cycles
are  shorter. As  a result, pressure  forming offers cost  advantages similar to
those of thermoforming. Like  thermoforming, however, pressure forming  provides
limited   design  flexibility.  In  addition,   because  of  sidewall  thickness
variations, it is more difficult to  texture or print on pressure molded  parts.
Pressure  forming  is generally  favored  in producing  packaging  products that
require structural strength and rigidity as well as thin sidewalls.
 
    Another important element of the Company's manufacturing technologies is its
Autoweld-Registered  Trademark-  system.  Autoweld-Registered  Trademark-  is  a
spin-welding  process that joins  pre-formed packaging parts  with friction. The
Company's   most    widely    distributed    product    assembled    with    the
Autoweld-Registered  Trademark- process is the Yoplait yogurt container which is
filled, assembled and sealed with equipment  designed and owned by the  Company.
Yoplait  maintains  such equipment  at its  various production  facilities under
leasing agreements  with  the Company.  The  Company believes  that  this  joint
manufacturing  effort represents a substantial  competitive advantage in serving
Yoplait's current and future needs.
 
    The Company has the ability to produce state-of-the-art graphics on  plastic
packaging  and  promotional cups  through  its nine  color  MasterColor printing
system. MasterColor uses  advanced computer technology  and color processing  to
create  photograph-like images  on pre-formed  plastic containers  and cups. The
Company has seven  MasterColor printing machines.  Management believes that  the
MasterColor  system has provided and will continue to provide the Company with a
competitive advantage in the promotional
 
                                       44
<PAGE>
beverage  cup  market.  In  addition,  although  it  is  used  primarily  in the
manufacture  of  promotional  beverage   cups,  management  believes  that   the
MasterColor  printing system may  also be employed  to create more sophisticated
and colorful designs to enhance the appeal of other packaging products.
 
    The Company, like its  competitors, is subject  to rigorous quality  control
standards  imposed by its customers. The Company has implemented a comprehensive
quality assurance program,  which includes computer-aided  testing of parts  for
size, color, strength and, where appropriate, barrier properties. Using advanced
laser  measuring  technology  as  well  as  state-of-the-art  high  speed vision
systems, the Company is able to  satisfy and exceed the most demanding  customer
requirements. Statistical quality control methods are also used to promote total
customer  satisfaction. Based  on internal  estimates, the  return rate  for the
Company's products during fiscal 1996 was less than one quarter of one percent.
 
    The Company's manufacturing operations are conducted in five facilities. The
Company's geographic  coverage and  the  proximity of  its facilities  to  major
customers reduce transportation costs and enable the Company to more effectively
serve its customers, many of which maintain "just-in-time" inventory systems.
 
TECHNICAL CENTERS
 
    The  Company's  three technical  centers are  staffed with  approximately 56
full-time personnel and feature extensive in-house design, engineering, tooling,
prototype production,  graphics and  processing capabilities  utilizing  CAD/CAM
technology. In addition to overseeing the ongoing maintenance and performance of
the  Company's  manufacturing operations,  these  technical centers  provide key
support for  the Company's  marketing  efforts. In  this regard,  the  Company's
in-house  design  and  production  engineers  work  closely  with  existing  and
potential customers in the preliminary stages of product design and development,
in many  instances  using  single cavity  thermoforming  and  injection  molding
machines  which  are  dedicated  to product  research  and  development  to test
prototype molds  and packaging  parts. For  example, the  Company developed  the
Autoweld-Registered  Trademark- process and related  equipment to enable Yoplait
to assemble, fill and seal its distinctive cone-shaped container.  Substantially
all of the production molds used by the Company's injection molding and pressure
forming machines are designed and manufactured at the Company's New Vienna, Ohio
technical center. Thermoforming molds are designed by personnel at the Company's
Coleman, Michigan center and outsourced for fabrication to various tooling shops
with  which  the  Company  has  long-established  relationships.  Utilizing  the
thermoforming process, the  Company, in  conjunction with  Ross Labs,  developed
multi-layer  packaging applications for  Ross Labs' ENSURE-REGISTERED TRADEMARK-
nutritional supplement and SIMILAC-REGISTERED TRADEMARK- infant formula  product
lines.  The  Company's Lenexa,  Kansas technical  center supports  the Company's
graphics  and  printing   operations  with  color   separation  and   processing
facilities.  In fiscal  1996, the  Company spent  approximately $2.1  million on
research and  development activities.  Management  believes that  the  Company's
in-house  design,  engineering  and  graphics capabilities  are  among  the most
extensive and  sophisticated  in  the  industry  and  significantly  reduce  the
Company's tooling and equipment costs as well as product development time.
 
COMPETITION
 
    The  Company's  business is  highly competitive,  the degree  of competition
varying with the product.  Major competitive factors  in the Company's  business
are  product  quality and  differentiation, graphics  design and  print quality,
innovation, service and price. As more companies adopt "just-in-time"  inventory
systems,  delivery lead time  has also taken on  increased importance. Since the
Company's products  are shipped  by  customers' trucks  or common  carrier,  the
proximity   of  the   manufacturing  facility   to  the   customer's  plant  can
significantly affect  the price  of  products. The  locations of  the  Company's
facilities  make it well-positioned to serve  national markets. See "Business --
Competitive Strengths" and "-- Facilities."  Because the Company's products  are
bulky  and shipping costs are relatively  high, foreign competition has not been
an important factor.
 
    The Company's main competitors in  the rigid plastic packaging business  are
Landis  Plastics, Inc., Airlite Plastics Company, Polytainers Inc. and Fabri-Kal
Corp. It  also competes,  to a  lesser  extent, with  Mount Vernon  Plastics,  a
subsidiary  of Reynolds Metals Co. In the promotional beverage cup business, the
Company's principal  competitors are  Packer Plastics,  Berry Sterling,  Pescor,
Canada  Cup, a  division of  James River Corp.  of Virginia,  and Sweetheart Cup
Company Inc.
 
                                       45
<PAGE>
RAW MATERIALS
 
    The raw  materials  used by  the  Company  for the  manufacture  of  plastic
containers  and promotional  beverage cups are  primarily resins  in pellet form
such  as  polyethylene,  polypropylene  and  polystyrene.  The  Company's  resin
supplies  are purchased under agreements  with several suppliers for unspecified
quantities. The price the Company  pays for resin is  determined at the time  of
purchase.  The Company believes that its resin volume requirements are among the
largest in the  industry, and  that its ability  to purchase  such materials  in
large quantity shipments enables it to obtain favorable pricing.
 
    Most  of the plastic resins used by the Company are available from a variety
of sources. The Company's current supply agreement with Ross Labs requires  that
it  purchase  one  of several  of  the  resins required  for  the  shelf stable,
multi-layer containers that the Company  manufactures for Ross Labs  exclusively
from Exxon. During fiscal 1996, these resins accounted for approximately 5.1% of
the resins purchased by the Company. The Company has relied on Exxon as the sole
source  supplier of this particular resin  since it began manufacturing products
for Ross Labs in 1991 and has no reason to believe that Exxon will not  continue
to  supply the Company with this resin.  However, there can be no assurance that
Exxon will be able to  continue to supply the  Company with adequate amounts  of
this  resin on a  timely basis in  the future to  allow the Company  to meet its
production requirements  for Ross  Labs containers.  The unanticipated  loss  of
Exxon  as a supplier or  a delay in its shipments  could have a material adverse
effect on the Company's business, financial condition and results of operations.
PRI maintains a renewable one-year supply contract with Exxon which is scheduled
to expire on  February 28,  1997. With the  exception of  its relationship  with
Exxon,  the Company does  not believe that  it is materially  dependent upon any
single source for any of its raw materials. The Company anticipates that it will
be able to purchase sufficient quantities  of resin for the foreseeable  future.
However,  should any of its suppliers  fail to deliver under their arrangements,
the Company would be forced to purchase raw materials on the open market, and no
assurances can be given that it would  be able to make such purchases at  prices
which  would allow it  to remain competitive.  See "Risk Factors  -- Exposure to
Fluctuations in Resin Cost and Supply."
 
    Over one-half  of  the  Company's  net  sales  in  fiscal  1996  were  under
multi-year  customer supply agreements which generally allow the Company to pass
through increases in  resin prices (and  obligate the Company  to pass on  resin
price  decreases) to customers. See "Risk Factors -- Exposure to Fluctuations in
Resin Cost  and Supply."  Such pass-through  provisions do  not pertain  to  the
Company's  sales  of promotional  beverage cups  which are  generally made  on a
purchase order  basis. The  risk  associated with  resin price  fluctuations  in
promotional  beverage cup sales is mitigated in many instances in which the time
period between product order and  delivery is relatively short (approximately  3
to  6 weeks). Promotional beverage cups accounted for 17.2% of the Company's net
sales during fiscal 1996.
 
ENVIRONMENTAL MATTERS AND GOVERNMENT REGULATION
 
    The past and  present operations  of the Company  and the  past and  present
ownership  and  operations  of  real  property by  the  Company  are  subject to
extensive  and  changing  federal,  state  and  local  environmental  laws   and
regulations  pertaining to the discharge of  materials into the environment, the
handling and disposition of  wastes or otherwise relating  to the protection  of
the  environment. The  Company believes that  it is in  material compliance with
applicable environmental  laws  and  regulations. However,  the  Company  cannot
predict  with any certainty that it will not in the future incur liability under
environmental statutes and  regulations with respect  to contamination of  sites
formerly  or currently owned or operated by the Company (including contamination
caused by prior owners and operators of such sites) and the off-site disposal of
hazardous substances. See "Risk Factors -- Environmental Matters."
 
    The FDA regulates the material content of direct-contact food containers and
packages, including certain thinwall containers manufactured by the Company. The
Company uses approved resins  and pigments in  its direct-contact food  products
and  believes  it  is  in  material  compliance  with  all  such  applicable FDA
regulations.
 
    The Company, like all companies in the plastics industry, is also subject to
federal, state, local and foreign legislation designed to reduce solid wastes by
requiring, among other things, plastics  to be degradable in landfills,  minimum
levels  of recycled content,  various recycling requirements,  disposal fees and
limits
 
                                       46
<PAGE>
on the  use of  plastic  products. In  addition,  various consumer  and  special
interest  groups  have  lobbied from  time  to  time for  the  implementation of
additional environmental protection measures. The Company does not believe  that
the  legislation promulgated to  date and such  initiatives to date  will have a
material adverse effect on its business. There can be no assurance that any such
future legislative or regulatory efforts or future initiatives would not have  a
material  adverse  effect on  the  Company's business,  financial  condition and
results of operations. See "Risk Factors -- Environmental Matters."
 
EMPLOYEES
 
    As of February  29, 1996, the  Company had approximately  950 employees,  of
which  853 were  engaged in  production or  production support,  56 in research,
development and  engineering, 19  in marketing  and sales  and 22  in  corporate
management  and administration. None of the Company's employees are covered by a
collective bargaining agreement.  The Company believes  that its relations  with
employees  are  satisfactory, and  it has  not experienced  any strikes  or work
stoppages.
 
FACILITIES
 
    The Company's operations  are conducted  through eight  facilities in  seven
states  within the United States. The  Company's principal executive offices are
located in Lake Forest,  Illinois and are leased  by the Company. The  Company's
facilities  are  designed  to  provide  for  efficient  manufacturing,  material
handling  and  storage   of  its   products  and  no   facility  is   materially
underutilized.  Management  believes  that substantially  all  of  the Company's
property and equipment is in good condition and that it has sufficient  capacity
to meet its current manufacturing and distribution requirements.
 
    The  following table  provides certain  information regarding  the Company's
operating facilities.
 
<TABLE>
<CAPTION>
                                 BUILDING
     FACILITY        OWNERSHIP   SQ. FEET               FUNCTION                 LEASE EXPIRATION
- -------------------  ----------  ---------  --------------------------------  ----------------------
<S>                  <C>         <C>        <C>                               <C>
Carson, CA           Leased         12,215  Warehouse                         October 31, 1997
Coleman, MI          Owned          85,966  Manufacturing/Technical Center              --
Ft. Worth, TX        Owned          40,000  Manufacturing                               --
Kansas City, MO      Leased        254,000  Manufacturing                     October 31, 2005
Lenexa, KS           Leased          7,500  Technical Center                  December 31, 1996
Mt. Carmel, PA       Owned         141,376  Manufacturing                               --
New Vienna, OH       Owned         176,500  Manufacturing                               --
New Vienna, OH       Owned          63,160  Technical Center                            --
</TABLE>
 
    The Company owns a 182,463 square foot building in Louisiana, Missouri  that
is currently leased to a third party. In addition, the Company is a lessee under
long-term  leases  for a  133,014 square  foot  manufacturing facility  that PRI
formerly occupied in Cedar Grove, New Jersey and approximately 7,800 square feet
of office space that the Company has  vacated in Lake Forest, Illinois. PRI  has
entered  into  a sub-lease  with respect  to  the Cedar  Grove facility  that is
scheduled to expire  concurrently with  the Company's underlying  lease in  June
2000. The Company has also entered into a sub-lease with respect to a portion of
its  unoccupied  office  space in  Lake  Forest,  Illinois. See  Note  6  to the
Company's financial statements included elsewhere in this Prospectus.
 
    The owned facilities  in Coleman,  Michigan, Ft. Worth,  Texas, Mt.  Carmel,
Pennsylvania,  New  Vienna,  Ohio,  and Louisiana,  Missouri  are  subject  to a
mortgage, and  the leased  facility in  Kansas City,  Missouri is  subject to  a
leasehold  mortgage, in favor of  the Trustee under the  Indenture to secure the
obligations under the Notes. See "Description of Exchange Notes -- Security."
 
PATENTS AND TRADEMARKS
 
    The Company owns a  number of patents and  trademarks. However, the  Company
believes  that  the  design, innovation  and  quality  of its  products  and its
relationships with its customers are substantially more
 
                                       47
<PAGE>
important to the  maintenance and growth  of its business  than its patents  and
trademarks.  Accordingly,  the Company  does not  believe  that its  business is
dependent to any material extent upon any single patent or group of patents.
 
LITIGATION
 
    Management does not believe that any of the litigation in which the  Company
is  currently engaged  will have  a material  effect on  the Company's business,
financial condition or results of operations.
 
COMPANY HISTORY
 
    PRI was  formed as  a Delaware  corporation  in 1984.  Group is  a  Delaware
corporation  that was  formed in  1993 at which  time PRI  became a wholly-owned
subsidiary of Group.
 
    Since its formation, PRI  has completed a  series of strategic  acquisitions
designed   to  expand  and  complement   its  product  lines  and  manufacturing
capabilities. The following table provides  certain information with respect  to
such acquisitions.
 
<TABLE>
<CAPTION>
 ACQUISITION DATE                   BUSINESS ACQUIRED                      MANUFACTURING TECHNOLOGIES
- ------------------  --------------------------------------------------  --------------------------------
<S>                 <C>                                                 <C>
October 1984        Certain assets of Universal Packaging, a division   Injection Molding
                     of Kraft, Inc.
October 1986        Buckeye Molding Company, a subsidiary of Aluminum   Injection Molding
                     Company of America                                 Pressure Forming
April 1987          Vercon Corporation, a division of Fina Oil and      Thermoforming
                     Chemical Company
October 1988        Captainer Corporation, a subsidiary of              Injection Molding
                     Owens-Illinois, Inc.
March 1993          Louisiana Plastics Corporation, a subsidiary of     Injection Molding
                     Bemis Corporation
December 1993       Miner Container                                     Injection Molding
                                                                        MasterColor Printing System
</TABLE>
 
                                       48
<PAGE>
                                   MANAGEMENT
 
DIRECTORS AND EXECUTIVE OFFICERS
 
    Set  forth below is  certain information concerning  the individuals who are
directors and executive officers of the Company.
 
<TABLE>
<CAPTION>
            NAME                   AGE                              POSITION
- -----------------------------      ---      ---------------------------------------------------------
<S>                            <C>          <C>
Howard P. Hoeper                       56   Chairman of the Board of Directors, Chief Executive
                                             Officer and President
Jerry J. Corirossi                     52   Vice President -- Finance & Administration, Chief
                                             Financial Officer, Secretary and Director
John D. Williams                       42   Vice President -- Sales & Marketing
Donald L. MacLaughlin                  58   Vice President -- Manufacturing (Western Operations) and
                                             Director
Walter C. Riesen                       65   Vice President -- Manufacturing (Eastern Operations)
Kenneth W. Miner                       53   Vice President -- Graphics
Antony P. Ressler                      35   Director
David B. Kaplan                        28   Director
</TABLE>
 
    Set forth below is a description of the business experience of each director
and executive officer of the Company.
 
    HOWARD P.  HOEPER.    Mr. Hoeper  has  been  Chairman of  the  Board,  Chief
Executive  Officer and President of  Group since its formation  in 1993, and has
served as Chairman of the Board and  Chief Executive Officer of PRI since  1984.
He  was also  elected President of  PRI in  1989.Mr. Hoeper has  been elected to
serve as Chairman of the  Board of each of Group  and PRI until the next  annual
meeting of the stockholders or until his successor is elected and qualified. Mr.
Hoeper  is the sole  shareholder of HPH  Industries, Ltd. which  owns all of the
outstanding capital stock of Group.
 
    JERRY J. CORIROSSI.   Mr.  Corirossi has been  Vice President  -- Finance  &
Administration, Chief Financial Officer and Secretary of the Company since 1989,
and  has been a Director of Group since  its formation in 1993 and a Director of
PRI since  February  1990. Mr.  Corirossi  shall serve  as  a director  of  such
companies  until the next annual meeting  of stockholders or until his successor
is elected and qualified. Mr. Corirossi is a Certified Public Accountant and has
over twenty-five years of financial managerial experience.
 
    JOHN D. WILLIAMS.   Mr.  Williams joined the  Company as  Vice President  --
Sales  and Marketing in March 1996. From 1988 to 1992, Mr. Williams was Managing
Director of Sweetheart International. From 1992 to 1995, Mr. Williams was  Chief
Executive  Officer of the Polarcup Group, a  division of Huhtamaki Oy. From 1995
to February 1996, he was President of Donruss Trading Cards, which was owned  by
the  Polarcup  Group. Mr.  Williams has  over  20 years  of sales  and marketing
experience in consumer-related companies.
 
    DONALD  L.  MACLAUGHLIN.    Mr.  MacLaughlin  has  been  Vice  President  --
Manufacturing  (Western Operations) since 1989, and has been a Director of Group
and PRI since October 1993.  Mr. MacLaughlin shall serve  as a director of  such
companies  until the next annual meeting  of stockholders or until his successor
is elected  and  qualified.  Mr.  MacLaughlin has  more  than  twenty  years  of
experience  in the rigid plastics packaging industry with a concentration in the
thermoforming process.
 
    WALTER C.  RIESEN.   Mr. Riesen  has been  Vice President  --  Manufacturing
(Eastern  Operations)  since 1989.  Mr.  Riesen has  more  than twenty  years of
experience in the rigid plastics packaging industry with a concentration in  the
injection molding and pressure forming processes.
 
                                       49
<PAGE>
    KENNETH  W. MINER.  Mr. Miner has  been Vice President -- Graphics since the
consummation of the Company's acquisition  of Miner Container in December  1993.
Prior  to such  acquisition, Mr.  Miner had  been President  and Chief Executive
Officer of  Miner Container  since August  1984.  He has  over twenty  years  of
experience in the graphics industry.
 
    ANTONY  P. RESSLER.   Mr.  Ressler was  designated by  Apollo to  serve as a
Director of Group and PRI in  June 1993 pursuant to the Stockholders  Agreement.
See  "Certain Transactions --  Stock and Warrant  Holders Agreement and Option."
Mr. Ressler has been  elected to serve as  a Director of each  of Group and  PRI
until the next annual meeting of the stockholders or until his successor is duly
elected  and qualified. In 1990, Mr. Ressler  was one of the founding principals
of Apollo  Advisors, L.P.  which,  together with  an  affiliate, serves  as  the
managing  general partner  of Apollo  Investment Fund,  L.P., AIF  II, L.P., and
Apollo Investment Fund III, L.P., which are private securities investment funds,
and Lion Advisors, L.P., which acts  as financial advisor to and  representative
for  certain institutional investors with respect to securities investments. Mr.
Ressler also serves as a Director of Family Restaurants, Inc., Gillett Holdings,
Inc., United International Holdings, Inc. and Dominick's Finer Foods, Inc.
 
    DAVID B. KAPLAN.  Mr. Kaplan was designated by Apollo to serve as a director
of Group  and PRI  in March  1996 pursuant  to the  Stockholders Agreement.  See
"Certain  Transactions -- Stock  and Warrant Holders  Agreement and Option." Mr.
Kaplan has been elected to  serve as a Director of  each of Group and PRI  until
the  next annual meeting of  the stockholders or until  his successor is elected
and qualified. Since 1991, Mr. Kaplan has been associated with and is a  limited
partner  of Apollo Advisors,  L.P. which, together with  an affiliate, serves as
the managing general partner of Apollo Investment Fund, L.P., AIF II, L.P.,  and
Apollo Investment Fund III, L.P., which are private securities investment funds,
and  Lion Advisors, L.P., which acts  as financial advisor to and representative
for certain institutional investors with respect to securities investments.  Mr.
Kaplan  also serves  as a  Director of BDK  Holdings, Inc.  and Dominick's Finer
Foods, Inc.
 
    Non-employee directors  of PRI  receive a  fee of  $3,500 for  each  meeting
attended,  up to a maximum of $15,000  per annum. Messrs. Kaplan and Ressler are
serving as directors of  Group and PRI pursuant  to the Stockholders  Agreement,
which provides that two individuals designated by Apollo be elected as directors
of  Group and PRI so long as Apollo owns or has the right to acquire 15% or more
of Group's voting securities (or one individual in the event Apollo owns or  has
the  right to acquire between  10% and 14.99% of  Group's voting securities). In
addition, pursuant to the Stockholders Agreement, certain fundamental  corporate
actions  proposed  to be  taken  by Group  or PRI  require  the approval  of the
directors designated by Apollo. See  "Certain Transactions -- Stock and  Warrant
Holders Agreement and Option." Apollo has given an undertaking to Group that, if
Group  objects, no such designee will serve as a director of a direct competitor
of the Company. Mr. Hoeper has agreed  with Apollo and the TCW Entities that  he
will  not compete  directly or  indirectly with the  business carried  on by the
Company or any of its  subsidiaries until the later  of (i) two years  following
cessation  of his employment with  the Company or its  subsidiaries and (ii) the
date on  which he  and  the members  of  his family  do  not own,  directly  and
indirectly, at least 50% of Group's capital stock.
 
                                       50
<PAGE>
EXECUTIVE COMPENSATION
 
    The  following table summarizes information  concerning annual and long-term
cash and non-cash compensation paid to or  accrued for the benefit of the  Chief
Executive  Officer and each of the  four other most highly compensated executive
officers of the Company (collectively,  the "named executive officers") for  all
services rendered in all capacities to the Company for fiscal 1996.
 
                           SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                        ANNUAL COMPENSATION (1)
                                             ---------------------------------------------
                                                                            OTHER ANNUAL        ALL OTHER
        NAME AND PRINCIPAL POSITION            SALARY       BONUS (2)     COMPENSATION (3)  COMPENSATION (4)
- -------------------------------------------  ----------  ---------------  ----------------  -----------------
<S>                                          <C>         <C>              <C>               <C>
Howard P. Hoeper                             $  318,270        --            $  600,000         $   5,250
  Chairman of the Board, Chief Executive
  Officer and President
Jerry J. Corirossi                              182,954        --                --                 5,250
  Vice President -- Finance &
  Administration and Chief Financial
  Officer
Donald L. MacLaughlin                           182,954        --                --                 5,250
  Vice President -- Manufacturing (Western
  Operations)
Walter C. Riesen                                182,954        --                --                 5,250
  Vice President -- Manufacturing (Eastern
  Operations)
Kenneth W. Miner                                182,954        --                --                 5,250
  Vice President -- Graphics
</TABLE>
 
- ------------------------
(1) The  Company  does  not  have  restricted  stock  award  plans  or long-term
    incentive plans and has not granted stock appreciation rights.
 
(2) No bonus awards were made in fiscal  1996 pursuant to PRI's Bonus Plan.  See
    "-- Bonus Plan."
 
(3) "Other  Annual Compensation" for Mr. Hoeper consists  of fees paid by PRI to
    HPH pursuant  to  the Management  Agreement.  See "Certain  Transactions  --
    Management  Agreement." None of the  other named executive officers received
    reportable "Other Annual Compensation" in fiscal 1996.
 
(4) Consists of  contributions made  by PRI  on behalf  of the  named  executive
    officers pursuant to the Pension Plan (as defined).
 
COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION
 
    The  Company's compensation  policies are  determined and  executive officer
compensation decisions  are made  by Mr.  Hoeper, subject  to the  right of  the
directors  designated by  Apollo to approve  the adoption of  any employee stock
option plan, stock bonus plan or any similar plan. Mr. Hoeper is the Chairman of
the Board, Chief Executive Officer and  President of the Company and  indirectly
owns,  through his  ownership of  HPH, all of  the outstanding  capital stock of
Group. See "Security Ownership of Certain Beneficial Owners and Management."
 
BONUS PLAN
 
    The Company maintains a cash  bonus plan (the "Bonus  Plan") for all of  its
executive  officers and  for certain other  key management  personnel. The bonus
amount and the extent of participation  in the Bonus Plan are discretionary.  In
the  past, bonus awards to employees have  been based on various qualitative and
quantitative indicators of corporate and individual performance. No bonuses were
paid during fiscal 1996.
 
                                       51
<PAGE>
PENSION PLAN
 
    On  September  30,  1985,  the  Company  established  a  qualified   defined
contribution  pension plan  (the "Pension  Plan") for  the purpose  of providing
funds to its employees upon their retirement. Participation in the Pension  Plan
is  open  to substantially  all  of the  Company's  employees. The  Pension Plan
requires the Company to contribute a specified percentage of an employee's total
compensation for  each  plan  year,  and  such  amounts  are  credited  to  each
employee's individual account on an annual basis. If any employee retires at age
65,  or at such later date as permitted  under the Pension Plan, then the entire
amount of his account becomes  100.0% vested as of that  date. The amount in  an
employee's  account will also be fully vested at  the time of his death or total
permanent disability. Distributions under  the Pension Plan may  be made in  one
lump  sum payment,  in designated  installments, in  installments based  upon an
employee's life expectancy at retirement, or in  the form of an annuity, at  the
employee's  election.  If employment  is terminated  for  any reason  other than
retirement, death or total  and permanent disability, then  his account will  be
deemed  to have been 20.0% vested for  each year of service. The amounts accrued
for the benefit  of the named  executive officers pursuant  to the Pension  Plan
during fiscal 1996 are reflected in the Summary Compensation Table above.
 
401(K) SAVINGS PLAN
 
    PRI  has adopted a plan  pursuant to Section 401(k)  of the Internal Revenue
Code (the "401(k) Plan") for  non-union employees that are  age 18 or older  and
have  been employed by PRI for at least three (3) months. Under the 401(k) Plan,
each eligible employee is able to defer a portion of his or her salary each year
on a before-tax basis. The portion deferred is paid by PRI to the trustee  under
the  401(k) Plan for the account of  the participant. The Company does not match
employee contributions or otherwise contribute to  the 401(k) Plan on behalf  of
employee-participants.  All employee-participant contributions  are fully vested
upon contribution.
 
INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
    PRI's Certificate of Incorporation contains a provision permitted under  the
Delaware   General  Corporation  Law  (the  "DGCL")  eliminating  (with  limited
exceptions) each director's personal liability  for monetary damages for  breach
of  any  duty  as a  director.  PRI's  Certificate of  Incorporation  and Bylaws
authorize PRI to indemnify its present and former directors and officers and  to
pay  or  reimburse  expenses  for  such  individuals  in  advance  of  the final
disposition of a proceeding  to the maximum extent  permitted from time to  time
under  the DGCL.  The DGCL provides  that indemnification  of a person  who is a
party, or threatened to be made a  party, to legal proceedings by reason of  the
fact  that such a person is  or was a director, officer,  employee or agent of a
corporation, or is or was serving as a director, officer, employee or agent of a
corporation or other  firm at the  request of a  corporation, against  expenses,
judgments,  fines  and  amounts  paid in  settlement,  is  mandatory  in certain
circumstances  and  permissive  in  others,  subject  to  authorization  by  the
corporation's board of directors.
 
    PRI  has entered into indemnification agreements  with each of its directors
and executive  officers. The  indemnification  agreements require,  among  other
things,  that PRI  indemnify such officers  and directors to  the fullest extent
permitted by  law,  and  advance  to the  officers  and  directors  all  related
expenses,  subject  to  reimbursement  if  it  is  subsequently  determined that
indemnification is not  permitted. The indemnification  agreements also  require
PRI  to indemnify  and advance all  expenses incurred by  officers and directors
seeking to  enforce their  rights thereunder  and cover  officers and  directors
under  the Company's directors' and  officers' liability insurance. Although the
indemnification agreements  offer  substantially  the  same  scope  of  coverage
afforded  by provisions in  PRI's Certificate of  Incorporation and Bylaws, they
provide greater assurance to directors and officers that indemnification will be
available, because, as  a contract, it  cannot be unilaterally  modified by  the
Board of Directors or by the stockholders to eliminate the rights it provides.
 
                                       52
<PAGE>
         SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
 
    Group  owns  all  of  the  outstanding capital  stock  of  the  Company. The
following table sets forth certain information,  as of July 24, 1996,  regarding
beneficial  ownership of the capital  stock of Group by  each stockholder who is
known by the Company to own beneficially more than 5% of the outstanding capital
stock of  Group. Except  as identified  below with  respect to  Messrs.  Hoeper,
Ressler  and  Kaplan,  none of  the  executive  officers or  directors  of Group
beneficially own any shares of the capital stock of Group.
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE    PERCENTAGE
                                                            AMOUNT     OF VOTING     OF VOTING
                                                             OWNED     SECURITIES    SECURITIES
             NAME AND COMPLETE MAIL ADDRESS                (SHARES)      OWNED       OWNED (1)
- ---------------------------------------------------------  ---------  ------------  ------------
<S>                                                        <C>        <C>           <C>
HPH Industries, Ltd. (2)                                    56,250        100%         60.0%
One Conway Park
100 Field Drive
Suite 300
Lake Forest, Illinois 60045
Apollo Packaging Partners, L.P. (3), (4)                    27,500         --          29.3%
c/o Apollo Advisors, L.P.
Two Manhattanville Road
Purchase, New York 10577
TCW/Crescent Mezzanine Partners, L.P. (3), (5)               7,613         --           8.1%
11100 Santa Monica Boulevard
Suite 2000
Los Angeles, California 90025
TCW/Crescent Mezzanine Trust (3), (5)                        2,387         --           2.5%
11100 Santa Monica Boulevard
Suite 2000
Los Angeles, California 90025
</TABLE>
 
- ------------------------
Notes:
 
(1) On a fully diluted basis, assuming the  exercise of all of the Warrants  (as
    discussed in note 3 below).
 
(2) Through  his ownership  of HPH, Mr.  Hoeper beneficially  owns and exercises
    sole investment and voting rights with  respect to 56,250 shares of  capital
    stock of Group representing 100% of Group's outstanding capital stock.
 
(3) Apollo  and  the TCW  Entities own  Warrants to  purchase 27,500  and 10,000
    shares of Group's capital  stock, respectively (or 29.3%  and 10.7% of  such
    capital  stock  of  Group,  respectively,  assuming  full  exercise  of  the
    Warrants). The Warrants are exercisable for an exercise price of $213.33 per
    share of  capital stock  of Group.  The Warrants  expire on  June 30,  2003.
    Apollo and the TCW Entities also own an option to purchase additional shares
    of  capital  stock  of  Group  under  certain  circumstances.  See  "Certain
    Transactions -- Stock and Warrant Holders Agreement and Option."
 
(4) The general partner of Apollo is AIF II, L.P., the general partner of  which
    is  Apollo Advisors,  L.P. The general  partner of Apollo  Advisors, L.P. is
    Apollo Capital Management, Inc., the directors and stockholders of which are
    Messrs. Leon D. Black and John  J. Hannan. Messrs. Ressler and Kaplan  serve
    on  the  Board of  Directors of  Group and  PRI as  nominees of  Apollo. See
    "Management." Each of Messrs. Ressler, Kaplan, Black and Hannan disclaim any
    beneficial ownership of the capital stock of Group.
 
(5) The general  partner  of  TCW/Crescent  Mezzanine  Partners,  L.P.  and  the
    managing  owner of TCW/ Crescent  Mezzanine Trust is TCW/Crescent Mezzanine,
    L.L.C. ("TCW/Crescent LLC").  Messrs. Robert D.  Beyer and Jean-Marc  Chapus
    are   portfolio  managers  of  TCW/Crescent  LLC  and  exercise  voting  and
    dispositive powers  on its  behalf. Messrs.  Beyer and  Chapus disclaim  any
    beneficial ownership of the capital stock of Group.
 
                                       53
<PAGE>
                              CERTAIN TRANSACTIONS
 
MANAGEMENT AGREEMENT
 
    Since  its  inception, PRI  has paid  certain  fees to  HPH in  exchange for
financial and management consulting services and has reimbursed HPH for expenses
incurred in connection with  the performance of such  services. HPH owns all  of
the outstanding capital stock of Group and is itself wholly-owned by Mr. Hoeper,
the  Chairman,  Chief Executive  Officer  and President  of  Group and  PRI. The
aggregate amount of payments received by  HPH during fiscal 1994, 1995 and  1996
in respect of such fees and reimbursements were approximately $699,000, $687,000
and  $662,000, respectively. In connection with  the Financing Plan, PRI and HPH
entered into a management agreement pursuant  to which HPH will receive a  fixed
payment  for  financial  and management  consulting  services in  the  amount of
$600,000 per fiscal year, subject to  increase at the discretion of the  Company
and  to  the  extent permitted  by  instruments governing  indebtedness  of PRI,
including the Indenture, or decrease to the extent required by the terms of such
indebtedness. Because of the personal nature of the services provided by HPH and
Mr. Hoeper,  the Company  cannot  determine whether  it  could obtain  the  same
services  on  more  favorable terms  from  a  third party.  See  "Description of
Exchange Notes -- Certain Covenants."
 
FORMER INDEBTEDNESS OF HOWARD P. HOEPER TO THE COMPANY
 
    In 1992 the Company  made a loan  to Mr. Hoeper  in the aggregate  principal
amount  of  $2.1  million  with  a stated  maturity  of  January  31,  1995. The
indebtedness bore interest at the  rate of 7.5% per annum  and was secured by  a
second  mortgage on  certain residential property  in Lake  County, Illinois. By
November 1994, Mr. Hoeper had fully repaid such loan.
 
TAX SHARING AGREEMENT
 
    The operations  of Group  and PRI  are included  in the  Federal income  tax
returns  filed  by HPH.  The three  companies  have entered  into a  tax sharing
agreement (the "Tax Sharing Agreement") which apportions the consolidated income
tax liability of  the affiliated  group. Under  the Tax  Sharing Agreement,  the
Federal income tax liability of PRI is calculated on a separate return basis and
the  amount so calculated, which in no event may exceed the group's consolidated
tax liability for such year,  is paid to HPH which  then pays the group's  taxes
for such year. None of HPH, Group or PRI is liable for (or is due) any amount to
(or  from) the other  even though the tax  liability of the  group may have been
reduced by reason of the inclusion of Group or PRI as a member of the group.
 
AGREEMENTS RELATING TO FORMER OWNERS OF MINER CONTAINER
 
    In connection with the Company's acquisition of Miner Container, PRI entered
into a consulting agreement (the  "Consulting Agreement") with Kenneth Miner,  a
former  principal owner of Miner Container who  has been an executive officer of
PRI  since  such  acquisition.  Pursuant  to  the  Consulting  Agreement,  which
terminated  in March 1996, the Company paid  an aggregate of $1.1 million to Mr.
Miner.
 
    In connection  with  the  acquisition  of Miner  Container,  PRI  agreed  to
indemnify  the former owners for  up to $2.3 million  of tax liabilities arising
from the operations of an affiliate  of Miner Container. During fiscal 1996  the
Company  paid  approximately $1.5  million of  this  obligation. The  Company is
unable to estimate whether or to what extent it will be obligated to make future
payments in respect of such liabilities.
 
    Prior to  the Company's  acquisition of  Miner Container  in December  1993,
Miner  Container had for several years  obtained services relating to the design
and preparation of graphics for promotional beverage cups from Container  Design
Inc. Mrs. Elaine Miner, the wife of Kenneth W. Miner, Vice-President-Graphics of
PRI,  has been the principal owner and  President of Container Design Inc. since
its inception. Since  the Company's  acquisition of  Miner Container,  Container
Design Inc. has provided the Company services on substantially the same basis as
it  provided such services to Miner Container.  The aggregate amount paid by the
Company to Container Design Inc. for these services for fiscal 1995 and 1996 was
$265,000 and $187,000, respectively. No  payments were made to Container  Design
Inc.  in fiscal 1994.  The Company believes  that the terms  of its transactions
with Container Design Inc. have been no less favorable to the Company than would
be available from an unrelated third party, and the Company intends to  continue
to obtain the services of Container Design Inc. in the future.
 
                                       54
<PAGE>
FEES PREVIOUSLY PAID TO APOLLO
 
    Under  the Indenture  dated October 28,  1986, as  supplemented, relating to
PRI's 13.5% Notes, PRI was required to obtain the consent of the holders of  the
13.5%  Notes to the acquisition  of Louisiana Plastics. In  March 1993, PRI paid
Apollo, as a  holder of $10.0  million aggregate principal  amount of the  13.5%
Notes,  $250,000 in exchange for its consent to the financial arrangements which
PRI made in order to acquire Louisiana Plastics.
 
1993 TRANSACTION
 
    The  Company  entered  into  the   1993  Transaction,  which  involved   the
refinancing  of certain of its indebtedness,  including the 13.5% Notes, and the
redemption or exchange of certain of its outstanding capital stock and  warrants
to  acquire such stock.  In connection with the  1993 Transaction, HPH exchanged
shares of junior preferred stock of PRI having an aggregate liquidation value of
$2.5 million for  12.5% Notes  of like  principal amount.  The junior  preferred
stock,  which accumulated dividends,  payable quarterly, at the  rate of 10% per
annum, was acquired by  HPH for $2.5  million in 1989.  HPH also transferred  to
Group  all of the outstanding common stock  of PRI in exchange for 56,250 shares
of capital stock of Group, representing all of the currently outstanding capital
stock of Group.  As part of  the 1993 Transaction,  Warrants to purchase  27,500
shares of capital stock of Group were issued to Apollo, and Warrants to purchase
10,000  shares of the capital stock of Group were issued to UBS Capital. Apollo,
UBS Capital  and Group  also entered  into the  Stockholders Agreement  and  the
Equity  Registration Rights Agreement, and Union Bank of Switzerland, Group, HPH
and certain  affiliates of  Apollo  entered into  the Debt  Registration  Rights
Agreement (each of which is described below).
 
DIVIDENDS AND INTEREST TO HPH
 
    Prior  to the 1993 Transaction, PRI paid dividends on its outstanding junior
preferred stock, all  of which was  held by HPH,  in the amount  of $115,000  in
fiscal  1994. In addition,  in fiscal 1994  and 1995, PRI  paid dividends on its
outstanding common stock, all of which was held by Group, in the amount of  $2.1
million  and $2.5 million to permit Group  to make required interest payments on
the 12.5% Notes. Interest  payments made to  HPH in respect  of the 12.5%  notes
were  $130,187 in fiscal 1994  and $156,250 in fiscal  1995. In fiscal 1996, PRI
did not pay any dividends to Group and Group did not make any interest  payments
to HPH.
 
STOCK AND WARRANT HOLDERS AGREEMENT AND OPTION
 
    HPH,  Apollo, the  TCW Entities,  Mr. Hoeper  and Group  are parties  to the
Stockholders Agreement  which, among  other  things, gives  Apollo and  the  TCW
Entities  the pre-emptive  right to  acquire a  portion of  additional shares of
capital stock of Group issued  by Group, a right of  first refusal on shares  of
capital  stock of  Group owned by  HPH, the  right to require  Group to purchase
their equity interests if Group  has not had a  public offering of voting  stock
prior to June 30, 1999 (to the extent permitted under the Senior Credit Facility
and  the Indenture governing the Notes)  and, subject to certain exceptions, the
right to participate in any sale of capital stock of Group by HPH. In  addition,
if  at any time after June 30, 1999, the  holders of a majority of the shares of
capital stock of Group propose to sell their shares, they may require the  other
parties  to  the  Stockholders  Agreement  to  participate  in  such  sale.  The
Stockholders Agreement also provides  that Mr. Hoeper will  not, as long as  HPH
owns  at least 10% of Group, transfer any shares of capital stock of HPH, except
pursuant to  the  laws of  descent.  If any  shares  of HPH  capital  stock  are
transferred  pursuant to laws of descent, Apollo  and the TCW Entities will have
the right to require the descendants to purchase their equity interests in Group
at the fair market value thereof. Group has granted Apollo and the TCW  Entities
an  option to  purchase at fair  market value  that number of  shares of capital
stock of Group which,  when aggregated with  the other shares  owned by them  or
which  they have the right to acquire, equal  51% of the outstanding shares on a
fully diluted basis.  The option is  exercisable during the  period of 180  days
following  the date on  which Mr. Hoeper and  his heirs do not  own and have the
right to  vote  all  of the  shares  of  HPH.  The exercise  of  the  option  is
conditioned  upon a simultaneous offer by the holders to purchase at fair market
value all shares of Group owned by HPH.
 
    The Stockholders Agreement  also provides, among  other things, that  Apollo
has  the right to designate  (i) two members of the  Board of Directors of Group
and   PRI   so   long   as   it    owns   or   has   the   right   to    acquire
 
                                       55
<PAGE>
15%  or more  of the voting  securities of Group  outstanding as of  the date of
consummation of the Stockholders Agreement (the "Initial Voting Securities") and
(ii) one member of the Board of Directors of Group and PRI so long as it owns or
has the  right  to  acquire  between  10%  and  14.99%  of  the  Initial  Voting
Securities.  In addition, a majority of  the Apollo designees serving as members
of the  Board of  Directors of  Group or  PRI must  approve certain  fundamental
corporate  actions proposed to be taken by  each such company, including (i) the
sale of all or substantially all of its assets, (ii) a merger, consolidation  or
dissolution,  (iii) an  acquisition involving  consideration of  more than $10.0
million, (iv)  certain transactions  with affiliates,  (v) an  amendment to  its
Certificate  of Incorporation or By-laws, (vi)  the adoption of certain employee
benefit plans  and  (vii) any  material  change in  its  line of  business.  The
Stockholders Agreement terminates on June 30, 2003.
 
EQUITY REGISTRATION RIGHTS AGREEMENT
 
    Group,  Apollo and the  TCW Entities are parties  to the Equity Registration
Rights Agreement dated  as of  June 30,  1993 (the  "Equity Registration  Rights
Agreement").  Under the Equity Registration Rights  Agreement, at any time after
June 30, 1996, or earlier upon the occurrence of certain events, the holders  of
at  least 25% of  the Warrants (or  shares of capital  stock of Group obtainable
upon  exercise   of  the   Warrants  (collectively,   the  "Registrable   Equity
Securities"))  on up to  three separate occasions may  require Group, subject to
certain conditions,  to  effect  the  registration  of  the  Registrable  Equity
Securities  under the  Securities Act. In  addition to  such demand registration
rights, such holders also may, subject to certain limitations, require Group  to
register  their  Registrable Equity  Securities if  Group  registers any  of its
equity securities  under  the Securities  Act.  Group  has agreed  to  bear  all
expenses   incident  to  the  registration  rights  provided  under  the  Equity
Registration Rights Agreement, except that expenses incurred in connection  with
any  second or  third demand  registration are  to be  allocated equally between
Group and  the  selling securityholders.  Group  has also  agreed  to  indemnify
selling securityholders against certain liabilities, including liabilities under
the Securities Act.
 
DEBT REGISTRATION RIGHTS AGREEMENT
 
    Group,  HPH, the TCW Entities, Lion  Advisors, L.P. (an affiliate of Apollo)
and AIF II, L.P. (an affiliate of  Apollo) are parties to the Debt  Registration
Rights  Agreement dated as of June 30, 1993  and amended as of May 17, 1996 (the
"Debt Registration  Rights  Agreement").  Under  the  Debt  Registration  Rights
Agreement,  at any time until  the holders of a majority  of the 12.5% Notes (or
other securities  issued with  respect  to the  12.5% Notes  (collectively,  the
"Registrable  Debt  Securities")) make  a written  request  that Group  offer to
exchange the Registrable Debt Securities held by each holder thereof (other than
HPH) for  an equivalent  aggregate  principal amount  of such  Registrable  Debt
Securities  (an "Exchange Offer") and, if such Exchange Offer is not consummated
for  any  reason  within  150  days  after  Group  has  received  such  request,
thereafter,  the holders  of a majority  of the Registrable  Debt Securities may
require Group, subject to certain conditions, to effect the registration of  the
Registrable Debt Securities under the Securities Act. In addition to such demand
registration  rights,  such holders  also may,  subject to  certain limitations,
require Group to register their  Registrable Debt Securities if Group  registers
any  of its debt securities  under the Securities Act.  Group has agreed to bear
all expenses  incident  to  the  registration rights  provided  under  the  Debt
Registration  Rights  Agreement.  Group  has also  agreed  to  indemnify selling
securityholders against  certain liabilities,  including liabilities  under  the
Securities Act.
 
REPAYMENT OF DEBT TO RELATED PARTIES
 
    In connection with the Financing Plan, PRI repaid all outstanding borrowings
under  the Old Credit Agreement and Group  redeemed without penalty or premium a
portion of the  outstanding 12.5%  Notes for  an aggregate  redemption price  of
$31.7  million. See  "Use of  Proceeds." As of  February 29,  1996, HPH, certain
affiliates of Apollo,  and Union Bank  of Switzerland held  $3.0 million,  $33.0
million  and $12.0 million,  respectively, in aggregate  principal amount of the
12.5% Notes. After  giving effect  to the redemption  of the  12.5% Notes,  HPH,
Apollo  and Union Bank of Switzerland held  $1.2 million, $13.0 million and $4.8
million, respectively, in  principal amount  of the 12.5%  Notes. In  connection
with  the closing of the transactions  contemplated by the Financing Plan, Union
Bank of Switzerland  assigned all  of its  interest in  the 12.5%  Notes to  UBS
Capital LLC ("UBS Capital"), which, in turn, assigned all of its interest in the
12.5%  Notes and the Warrants to the TCW Entities. In addition, the TCW Entities
and the parties to  the Stockholders Agreement,  the Equity Registration  Rights
Agreement and the Debt Registration Rights Agreement have
 
                                       56
<PAGE>
   
acknowledged  that the  TCW Entities  succeed to the  rights of  UBS Capital and
Union Bank of Switzerland, as applicable,  and have become parties with  respect
to  such agreements. Through his ownership of HPH, Mr. Hoeper owns 56,250 of the
outstanding shares of capital stock of Group (which presently constitutes all of
its outstanding capital stock) and is the Chairman, Chief Executive Officer  and
President of Group and PRI. Apollo and the TCW Entities own Warrants to purchase
27,500  and 10,000 shares of  common stock of Group,  respectively (or 29.3% and
10.7% of the outstanding capital stock of Group, respectively, assuming exercise
of all of the Warrants). The Warrants expire on June 30, 2003.
    
 
                      DESCRIPTION OF CERTAIN INDEBTEDNESS
 
THE SENIOR CREDIT FACILITY
 
    GENERAL.  As part of the Financing Plan, PRI entered into the Senior  Credit
Facility  with LaSalle  National Bank, as  lender and  administrative agent (the
"Administrative Agent"), and  BT Commercial Corporation,  as lender. The  Senior
Credit Facility establishes a revolving credit facility in the initial aggregate
principal amount of $20.0 million (the "Revolving Credit Facility") and a letter
of  credit facility in the  initial aggregate amount of  up to $2.0 million (the
"Letter of Credit Facility").
 
    AVAILABILITY  AND  REPAYMENT.    Availability  under  the  Revolving  Credit
Facility  is  subject to  a borrowing  base equal  to  the sum  of 85%  of PRI's
accounts  receivable  and  60%  of  PRI's  raw  materials  and  finished   goods
inventories.  Advances  under the  Revolving Credit  Facility are  available for
working capital and general corporate  purposes, as well as  to fund up to  $4.0
million of transaction costs incurred in connection with the Financing Plan. The
amount  available under the Letter of Credit  Facility may not exceed the lesser
of $2.0 million  or the  amount available under  that portion  of the  Revolving
Credit Facility available for working capital purposes. PRI may prepay principal
amounts  outstanding under the  Revolving Credit Facility, in  whole or in part,
without penalty, subject to payment by PRI of all accrued interest and customary
LIBOR breakage fees.
 
    The Senior Credit Facility matures on May 1, 1999, subject to renewal at the
lender's option for successive one year terms.
 
    SECURITY.  Obligations under the Senior  Credit Facility are secured by  all
of  PRI's accounts  receivable and raw  materials and  finished goods inventory,
including any proceeds therefrom.
 
    INTEREST.  At PRI's election, the interest rates per annum applicable to the
Senior Credit Facility are fluctuating  rates of interest measured by  reference
either to (a) an adjusted London inter-bank offered rate ("LIBOR") plus 2.00% or
(b)  the  prime  rate  of  the  Administrative  Agent  (which  is  based  on the
Administrative Agent's  published  prime rate)  plus  0.50%. Amounts  under  the
Senior Credit Facility not paid when due bear interest at a default rate of 2.0%
above the otherwise applicable rate.
 
    FEES.   PRI  has agreed to  pay certain  fees with respect  to the Revolving
Credit Facility, including a closing fee of $100,000 and a commitment fee in the
amount of  0.50% per  annum on  the  average unused  portion of  the  commitment
thereunder.  PRI has  also agreed  to pay a  fee with  respect to  the Letter of
Credit Facility in  the amount of  2.0% per  annum of the  total maximum  amount
available  under all  outstanding standby letters  of credit  and customary fees
charged by LaSalle National Bank with respect to commercial letters of credit.
 
    COVENANTS.  The Senior Credit Facility contains a number of covenants  that,
among   other  things,  restrict  the  ability  of  PRI  to  (i)  incur  certain
indebtedness or  guarantee obligations,  (ii) prepay  other indebtedness,  (iii)
make investments, loans or advances, (iv) create certain liens, (v) make certain
payments, dividends and distributions, (vi) merge with or sell assets to another
person  or  liquidate,  (vii) sell  or  discount receivables,  (viii)  engage in
certain intercompany transactions and transactions with affiliates, (ix)  change
its business, (x) experience a change of control and (xi) make amendments to its
charter,  by-laws  and other  debt instruments.  In  addition, under  the Senior
Credit Facility, PRI will be required to comply with specified financial  ratios
and  tests, including minimum debt service  coverage ratios, maximum funded debt
to EBITDA tests and minimum working capital tests.
 
                                       57
<PAGE>
    EVENTS OF DEFAULT.  The Senior Credit Facility contains customary events  of
default,  including  nonpayment of  principal,  interest or  fees,  violation of
covenants, inaccuracy of representations or warranties in any material  respect,
cross  default and cross acceleration to certain other indebtedness, bankruptcy,
material judgments and liabilities and change of control.
 
BEMIS NOTE
 
    In connection  with the  Company's acquisition  of Louisiana  Plastics,  PRI
issued  a promissory note to Bemis Company, Inc. in the principal amount of $2.0
million (the "Bemis Note"), $1.5 million aggregate principal amount of which was
outstanding as of February 29, 1996. The Bemis Note is subordinated in right  of
payment  to all  indebtedness of  PRI to  any bank,  insurance company  or other
financial institution. Interest  on the  Bemis Note  is payable  monthly at  the
prime  rate from time to time publicly  announced by Bank of America, N.A., plus
2.0%. In March 1996, the Company  paid $250,000 in outstanding principal  amount
of  the Bemis Note. The remaining outstanding principal amount of the Bemis Note
is payable in installments of $300,000, $250,000 and $700,000 in September 1996,
March 1997 and July 1997, respectively.
 
                         DESCRIPTION OF EXCHANGE NOTES
 
GENERAL
 
    The Exchange Notes will be issued, and the Old Notes were issued, under  the
Indenture  by and among the Company and LaSalle National Bank, as Trustee and as
collateral agent (the "Collateral Agent"). The  terms of the Exchange Notes  are
the  same in all respects (including  principal amount, interest rate, maturity,
security and  ranking) as  the terms  of the  Old Notes  for which  they may  be
exchanged pursuant to the Exchange Offer, except that the Exchange Notes (i) are
freely  transferable by holders thereof (except  as provided below) and (ii) are
not entitled  to certain  registration rights  and certain  additional  interest
provisions  which are applicable to the  Old Notes under the Registration Rights
Agreement.
 
    The terms of the Notes include those stated in the Indenture and those  made
part  of the Indenture  by reference to  the Trust Indenture  Act. The Notes are
subject to all such terms,  and holders of Notes  are referred to the  Indenture
and the Trust Indenture Act for a statement of those terms.
 
    A copy of the Indenture is filed as an exhibit to the Registration Statement
of  which  this Prospectus  is a  part. The  following is  a summary  of certain
provisions of the Notes and the Indenture.  This summary does not purport to  be
complete  and is subject to the detailed  provisions of, and is qualified in its
entirety by  reference to,  the  Notes and  the  Indenture. The  definitions  of
certain  terms  used in  the following  summary  are set  forth below  under "--
Certain Definitions."  Unless the  context  otherwise requires,  all  references
herein to the "Notes" shall include the Old Notes and the Exchange Notes.
 
RANKING AND SECURITY
 
    The  Notes are general  obligations of PRI, secured  to the extent described
below by Liens  on the  Collateral (as defined  below under  "-- Security")  and
ranking  senior to all subordinated Indebtedness of  PRI and PARI PASSU in right
of payment to all other senior Indebtedness of PRI. The lenders under the Senior
Credit Facility have claims with  respect to the assets constituting  collateral
for  Indebtedness thereunder (which assets do not constitute Collateral securing
the Notes) that are effectively senior to the claims of holders of the Notes. In
addition, pursuant to  the Indenture, in  the event the  Company enters into  an
Acquisition  Financing  Facility,  the  lender  or  lenders  thereunder  will be
entitled, pursuant to the terms of an Intercreditor Agreement (as defined) to be
entered into in connection therewith, to share, generally on a PARI PASSU basis,
in any proceeds upon any foreclosure upon the Collateral. See "-- Security."  As
of February 29, 1996, on a pro forma basis, after giving effect to the Financing
Plan,  PRI would have had outstanding  approximately $112.2 million in aggregate
principal amount of senior Indebtedness, including approximately $0.4 million of
secured Indebtedness  (excluding the  Notes). In  addition, PRI  would have  had
$19.6  million  in unused  secured borrowing  capacity  under the  Senior Credit
Facility.
 
PRINCIPAL, MATURITY AND INTEREST
 
    The Notes  will be  senior secured  obligations of  the Company  limited  in
aggregate principal amount at maturity to $110,000,000 and will mature on May 1,
2003.    Interest    on   the    Notes   will    accrue    at   the    rate   of
 
                                       58
<PAGE>
11 5/8% per  annum and  will be  payable semiannually in  arrears on  May 1  and
November 1 in each year, commencing on November 1, 1996, to holders of record on
the immediately preceding April 15 and October 15, respectively. Interest on the
Notes  will accrue from the most recent date to which interest has been paid or,
if no interest  has been paid,  from the date  of the original  issuance of  the
Notes  (the "Issue Date"). Interest  will be computed on  the basis of a 360-day
year comprised of twelve 30-day months.
 
    The Exchange Notes  will bear  interest from May  17, 1996.  Holders of  Old
Notes  whose Old Notes are  accepted for exchange will  be deemed to have waived
the right to receive any payment in respect of interest on the Old Notes accrued
from May 17, 1996 to the date of the issuance of the Exchange Notes. Interest on
the Exchange Notes is payable semiannually in arrears on May 1 and November 1 of
each year, commencing November 1, 1996, accruing from May 17, 1996 at a rate  of
11 5/8% per annum.
 
    Principal  of,  and premium,  if any,  and  interest on,  the Notes  will be
payable at  the office  or agency  of the  Company maintained  for such  purpose
within  The  City of  New York  or, at  the  option of  the Company,  payment of
interest may  be made  by check  mailed to  the holders  of the  Notes at  their
respective  addresses as set  forth in the  register of holders  of Notes. Until
otherwise designated by the Company, the Company's office or agency in The  City
of  New York will be the office of  the Trustee maintained for such purpose. The
Notes will  be  issued  in  fully  registered  form,  without  coupons,  and  in
denominations of $1,000 and integral multiples thereof.
 
OPTIONAL REDEMPTION
 
    The  Notes will  not be  redeemable at  PRI's option  prior to  May 1, 2000.
Thereafter, at any  time or  from time  to time, the  Notes will  be subject  to
redemption  at the option of PRI, in whole or in part, upon not less than 30 nor
more than 60 days' notice, at the redemption prices (expressed as percentages of
principal amount) set forth  below plus accrued and  unpaid interest thereon  to
the  applicable  redemption date,  if  redeemed during  the  twelve-month period
beginning on May 1 of the years indicated below:
 
<TABLE>
<CAPTION>
YEAR                                                                     PERCENTAGE
- -----------------------------------------------------------------------  -----------
<S>                                                                      <C>
2000...................................................................      105.813%
2001...................................................................      102.906%
2002 and thereafter....................................................      100.000%
</TABLE>
 
    Notwithstanding the foregoing, on or prior to May 1, 1999, PRI may redeem at
any time or from  time to time up  to 30% of the  aggregate principal amount  of
Notes  originally issued  at a  redemption price  of 111  5/8% of  the principal
amount thereof,  plus  accrued and  unpaid  interest,  if any,  thereon  to  the
redemption  date, with the net proceeds of  one or more Public Equity Offerings;
PROVIDED that at  least $70.0  million in  aggregate principal  amount of  Notes
remain outstanding immediately after such redemption; and PROVIDED FURTHER, that
such  redemption shall occur  within 90 days of  the date of  the closing of any
such Public Equity Offering. In the case of any Public Equity Offering by Group,
the Indenture provides that PRI shall apply to a redemption of the Notes to  the
extent  permitted  under  the Indenture  an  amount  not less  than  50%  of the
aggregate net proceeds of such Public Equity Offering, and Group has  separately
agreed  with PRI to make an equity contribution  to PRI of 50% of such aggregate
net proceeds. PRI has  also agreed pursuant to  the Indenture not to  repurchase
any of the Notes pursuant to open market or privately negotiated purchases until
the expiration of twelve months following any Public Equity Offering.
 
    If  less than all of the Notes are  to be redeemed at any time, selection of
Notes for  redemption  will  be made  by  the  Trustee in  compliance  with  the
requirements of the principal national securities exchange, if any, on which the
Notes  are listed, or, if the  Notes are not so listed,  on a pro rata basis, by
lot or by such method as the  Trustee shall deem fair and appropriate,  PROVIDED
that no Notes of $1,000 or less shall be redeemed in part. Notices of redemption
shall be mailed by first class mail at least 30 but not more than 60 days before
the  redemption date to  each Holder of  Notes to be  redeemed at its registered
address. If any Note is  to be redeemed in part  only, the notice of  redemption
that  relates  to such  Note shall  state  the portion  of the  principal amount
thereof to be redeemed. A new Note  in principal amount equal to the  unredeemed
portion  thereof  will  be  issued  in  the  name  of  the  Holder  thereof upon
cancellation of the original Note. On
 
                                       59
<PAGE>
and after the redemption date  (unless PRI shall default  in the payment of  the
redemption  price, together with  accrued and unpaid  interest to the redemption
date), interest will  cease to accrue  on Notes or  portions thereof called  for
redemption.
 
    The Company will comply with the applicable requirements of Rule 14e-1 under
the  Exchange Act, and  all other applicable securities  laws and regulations in
connection with the optional repurchase by the Company of the Exchange Notes.
 
MANDATORY REDEMPTION
 
    Except as set forth above under the caption "Optional Redemption" and  below
under  the caption "Repurchase at the Option of Holders," PRI is not required to
make mandatory redemption or sinking fund payments with respect to the Notes.
 
REPURCHASE AT THE OPTION OF HOLDERS
 
    CHANGE OF CONTROL
 
    Upon the occurrence of a Change of  Control, each Holder of Notes will  have
the  right to require PRI to  repurchase all or any part  (equal to $1,000 or an
integral multiple  thereof)  of  such  Holders's Notes  pursuant  to  the  offer
described  below (the "Change of Control Offer") at an offer price in cash equal
to 101%  of the  aggregate  principal amount  thereof  plus accrued  and  unpaid
interest, if any, to the Change of Control Payment Date (as hereinafter defined)
(the  "Change  of Control  Payment").  Within 30  days  following any  Change of
Control, PRI will mail a notice to  each Holder stating: (1) that the Change  of
Control  Offer  is  being made  pursuant  to  the covenant  entitled  "Change of
Control" and  that all  Notes tendered  will be  accepted for  payment; (2)  the
purchase  price and the purchase date, which will be no earlier than 30 days nor
later than 60 days from the date  such notice is mailed (the "Change of  Control
Payment Date"); (3) that any Note not tendered will continue to accrue interest;
(4)  that, unless PRI defaults in the  payment of the Change of Control Payment,
all Notes accepted  for payment  pursuant to the  Change of  Control Offer  will
cease  to accrue  interest after  the Change of  Control Payment  Date; (5) that
Holders electing to  have any Notes  purchased pursuant to  a Change of  Control
Offer will be required to surrender the Notes, with the form entitled "Option to
Elect  Purchase" on the reverse  of the Notes completed,  to the Paying Agent at
the address specified in the notice prior to the close of business on the  third
Business Day preceding the Change of Control Payment Date; (6) that Holders will
be  entitled to withdraw their election if  the Paying Agent receives, not later
than the close of business  on the second Business  Day preceding the Change  of
Control  Payment  Date,  a  telegram, telex,  facsimile  transmission  or letter
setting forth the name of the  Holders, the principal amount of Notes  delivered
for  purchase, and a statement  that such Holder is  withdrawing his election to
have such Notes purchased; and (7) that Holders whose Notes are being  purchased
only  in part  (which purchased  portion must  be equal  to $1,000  in principal
amount or  an integral  multiple thereof)  will  be issued  new Notes  equal  in
principal amount to the unpurchased portion of the Notes surrendered.
 
    On  the Change of Control Payment Date,  PRI will, to the extent lawful, (1)
accept for payment Notes or portions thereof tendered pursuant to the Change  of
Control  Offer, (2) deposit with the Paying  Agent an amount equal to the Change
of Control Payment in respect of all  Notes or portions thereof so tendered  and
(3)  deliver  or cause  to be  delivered to  the Trustee  the Notes  so accepted
together with an  Officers' Certificate  stating the Notes  or portions  thereof
tendered  to PRI. The Paying Agent will promptly mail to each Holder of Notes so
accepted the Change  of Control  Payment for such  Notes, and  the Trustee  will
promptly  authenticate and  mail to  each Holder a  new Note  equal in principal
amount to any  unpurchased portion of  the Notes surrendered,  if any;  PROVIDED
that  each new  Note will  be in  a principal  amount of  $1,000 or  an integral
multiple thereof.  PRI will  publicly  announce the  results  of the  Change  of
Control  Offer on or as soon as  practicable after the Change of Control Payment
Date.
 
    With respect to the sale of assets referred to in the definition of  "Change
of  Control", the  phrase "all  or substantially all"  as used  in the Indenture
varies according to the facts and circumstances of the subject transaction,  has
no  clearly established meaning under New York law (which governs the Indenture)
and is subject to judicial interpretation. Accordingly, in certain circumstances
there may be a degree of uncertainty
 
                                       60
<PAGE>
in ascertaining whether a particular transaction would involve a disposition  of
"all  or substantially all"  of the assets of  a person and  therefore it may be
unclear whether  a Change  of Control  has occurred  and whether  the Notes  are
subject to, and whether PRI is required to make, a Change of Control Offer.
 
    The  Company will comply  with the applicable  tender offer rules, including
the requirements of Rule 14e-1 under the Exchange Act, and all other  applicable
securities laws and regulations in connection with any Change of Control Offer.
 
    Except as described above with respect to a Change of Control, the Indenture
does not contain provisions that permit the Holders of the Notes to require that
PRI  repurchase or redeem the Notes in the event of a takeover, recapitalization
or similar restructuring.
 
    The Senior Credit Facility  prohibits PRI from purchasing  any Notes upon  a
Change  of Control and also provides that  certain change of control events with
respect to PRI or Group would constitute a default thereunder. Any future credit
agreements  to  which  PRI  or  Group  becomes  a  party  may  contain   similar
restrictions  and provisions. In the event a  Change of Control occurs at a time
when PRI is prohibited from purchasing Notes, PRI could seek the consent of  its
lenders  to the purchase of  Notes or could attempt  to refinance the borrowings
that contain such prohibition. If  PRI does not obtain  such a consent or  repay
such borrowings, PRI will remain prohibited from purchasing Notes. In such case,
PRI's  failure to purchase  tendered Notes would constitute  an Event of Default
under the Indenture, which would, in turn, constitute a default under the Senior
Credit Facility.
 
    The Company may not have sufficient funds to redeem the Exchange Notes  upon
a  change of control or upon the  occurrence of certain sales or dispositions of
assets.  See  "Risks   Factors  --   Substantial  Leverage   and  Debt   Service
Obligations."
 
    ASSET SALES; COLLATERAL LOSS EVENTS
 
    The  Indenture provides that  PRI will not,  and will not  permit any of its
Restricted Subsidiaries to, engage in any Asset Sale, unless (i) PRI or any such
Restricted Subsidiary, as the case may be, receives consideration at the time of
such Asset  Sale  at least  equal  to the  fair  market value  (evidenced  by  a
resolution  of  the  Board  of  Directors  of  PRI  set  forth  in  an Officers'
Certificate delivered to the Trustee) of  the assets sold or otherwise  disposed
of,  (ii) 80%  (or, in the  case of  an Asset Sale  involving the  sale or other
disposition of Collateral, 90%) of the consideration therefor received by PRI or
such Restricted Subsidiary is in the  form of cash; PROVIDED, HOWEVER, that  the
amount of (A) any liabilities (as shown on PRI's or such Restricted Subsidiary's
most  recent balance  sheet or in  the notes  thereto) of PRI  or any Restricted
Subsidiary (other than liabilities that are by their terms subordinated in right
of payment to the Notes) that are  assumed by the transferee of any such  assets
and  (B)  any notes  or other  obligations  received by  PRI or  such Restricted
Subsidiary from such transferee  that are immediately converted  by PRI or  such
Restricted  Subsidiary into cash (to the extent  of the cash received), shall be
deemed to be cash  for purposes of this  provision; and PROVIDED, FURTHER,  that
the  80% and 90% limitations referred to in  this clause (ii) shall not apply to
any Asset  Sale  in  which  the  cash  portion  of  the  consideration  received
therefrom,  determined in accordance with the  foregoing proviso, is equal to or
greater than what  the after-tax proceeds  would have been  had such Asset  Sale
complied with the aforementioned 80% or 90% limitation, as applicable, and (iii)
in  the  event  the  Asset  Sale  involves  the  sale  or  other  disposition of
Collateral, the  Net  Proceeds thereof  are  deposited promptly  into  the  Cash
Collateral  Account pending application  in accordance with  the next succeeding
paragraph and PRI  takes such  other actions,  at its  sole expense,  as may  be
required  to ensure  that the Trustee  holds a  first priority Lien  on such Net
Proceeds in accordance with the Indenture.
 
    Within 360 days after any Asset Sale, PRI or such Restricted Subsidiary  may
apply  the Net Proceeds from such Asset Sale  (a) except in the case of an Asset
Sale involving  the sale  or  other disposition  of Collateral,  to  permanently
reduce  Indebtedness under the Senior Credit Facility or other Senior Debt (with
a permanent reduction  of availability  in the  case of  Indebtedness under  the
Senior  Credit  Facility or  other  revolving credit  borrowings)  or (b)  to an
investment in capital expenditures or other long-term tangible assets related to
the business of the Company, or in another  business, in each case in a line  of
business  permitted  under the  "Line  of Business"  limitation  described below
(provided, however, that, in the event the
 
                                       61
<PAGE>
Net Proceeds so invested are received in connection with an Asset Sale involving
the sale  or  other  disposition  of  Collateral,  (i)  such  investment  is  in
Replacement  Collateral, (ii) prior to such investment, PRI shall deliver to the
Trustee an Officers' Certificate dated no more than 30 days prior to the date of
consummation of  such investment,  certifying that  the purchase  price of  such
Replacement Collateral does not exceed the fair market value of such Replacement
Collateral  as determined in good faith by  the Board of Directors and (iii) PRI
shall take such actions, at  its sole expense, as  shall be required to  release
such Net Proceeds from the Lien of the Security Documents and to ensure that the
Trustee  has,  from  the date  of  such  investment, a  first  priority security
interest in the Replacement  Collateral). Pending the  final application of  any
such  Net Proceeds, except  in the case  of Net Proceeds  received from an Asset
Sale involving  the  sale  or  other disposition  of  Collateral,  PRI  or  such
Restricted  Subsidiary may invest  such Net Proceeds  in any manner  that is not
prohibited by the Indenture. Any Net Proceeds  from the Asset Sale that are  not
applied  or invested as provided in the first sentence of this paragraph will be
deemed to constitute "Excess Proceeds."
 
    Pursuant to the  Indenture, PRI may  not, and  shall not permit  any of  its
Restricted   Subsidiaries  to,  directly  or  indirectly,  suffer  or  permit  a
Collateral Loss Event unless the Net Proceeds therefrom are paid to the  Trustee
and  deposited in the Cash Collateral Account and PRI takes such actions, at its
sole expense, as may be required to ensure that the Trustee has from the date of
such deposit a first priority security interest on such Net Proceeds in the Cash
Collateral Account in accordance with the Indenture. Within 270 days of  receipt
of  the Net Proceeds therefrom, PRI may apply all the Net Proceeds received from
a Collateral Loss  Event: (i)  to purchase  or otherwise  invest in  Replacement
Collateral;  or (ii) to Restore  the relevant Collateral. In  the event that PRI
elects to Restore  the relevant Collateral,  PRI, within 90  days of receipt  of
such  Net Proceeds  from a  Collateral Loss  Event, shall  (x) give  the Trustee
irrevocable written  notice  of such  election  and  (y) enter  into  a  binding
commitment to Restore the relevant Collateral, a copy of which shall be supplied
to  the Trustee,  and shall  carry out such  Restoration with  due diligence and
complete such  Restoration  within  270  days from  the  date  of  such  binding
commitment.  Any Net Proceeds from a Collateral  Loss Event not so applied shall
constitute Excess Proceeds.
 
    When the aggregate amount of Excess Proceeds exceeds $5.0 million, PRI shall
make an offer to all  Holders of Notes (an "Asset  Sale Offer") to purchase  the
maximum  principal  amount of  Notes that  may  be purchased  out of  the Excess
Proceeds, at an offer price in cash in an amount equal to 100% of the  principal
amount  thereof  plus  accrued and  unpaid  interest,  if any,  to  the  date of
purchase, in accordance with the procedures  set forth in the Indenture. To  the
extent  that the aggregate  amount of Notes  tendered pursuant to  an Asset Sale
Offer is less than the Excess Proceeds, (i) amounts remaining on deposit in  the
Cash  Collateral  Account shall  be retained  therein and  shall continue  to be
subject to the Lien of the Security Documents and may be used by PRI to purchase
or invest in Replacement Collateral at any time and from time to time, and  (ii)
any  remaining  deficiency not  so  deposited may  be  used by  PRI  for general
corporate purposes. If the  aggregate principal amount  of Notes surrendered  by
Holders  thereof exceeds the amount of Excess Proceeds, the Trustee shall select
the Notes to be  purchased on a  pro rata basis. Upon  completion of such  Asset
Sale Offer, the amount of Excess Proceeds shall be reset at zero.
 
    The  Company will comply  with the applicable  tender offer rules, including
the requirements of Rule 14e-1 under the Exchange Act, and all other  applicable
securities laws and regulations in connection with any Asset Sale Offer.
 
SECURITY
 
    All  of the obligations of PRI under the Notes and the Indenture are secured
by  a  first  priority  Lien  on  the  following  property  (collectively,   the
"Collateral"):  (i) mortgages on  substantially all of the  owned and certain of
the leased real property  of the Company, (ii)  certain equipment and  fixtures,
(iii)  certain general intangibles and (iv) proceeds of any of the foregoing, in
each case whether  owned on  the Issue  Date or  acquired thereafter,  PROVIDED,
HOWEVER, that property purchased with the proceeds of a loan made pursuant to an
Acquisition  Financing Facility and subject to  a Lien securing such Acquisition
Financing Facility will not constitute Collateral.
 
    If the  Notes become  due and  payable prior  to the  final stated  maturity
thereof  for any  reason or are  not paid in  full at the  final stated maturity
thereof, the  Trustee  has  the  right  to  foreclose  upon  the  Collateral  in
 
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<PAGE>
accordance  with  instructions  from  the Holders  of  a  majority  in aggregate
principal amount of the Notes or, in  the absence of such instructions, in  such
manner  as the Trustee deems appropriate in its absolute discretion. Pursuant to
the Indenture, in the event PRI  obtains an Acquisition Financing Facility,  the
lender  or  lenders  thereunder, the  Trustee  and the  Collateral  Agent (which
initially will  be the  Trustee)  will enter  into an  Intercreditor  Agreement.
Pursuant  to the Intercreditor Agreement, upon any foreclosure on the Collateral
or collateral acquired with the proceeds of the Acquisition Financing  Facility,
the  proceeds thereof will be distributed by  the Collateral Agent (i) first, to
pay certain obligations of PRI to  reimburse or indemnify the Collateral  Agent,
(ii)  next, to the Trustee on behalf of the Holders and to such lenders pro rata
on account of certain payments, if any, previously set aside, (iii) next, to the
Trustee on behalf  of the Holders  and to such  lenders pro rata  on account  of
unpaid interest, prepayment or redemption premiums or payments due upon an Asset
Sale  Offer or Change of  Control Offer, (iv) next, to  the Trustee on behalf of
the Holders and to  such lenders pro  rata on account  of unpaid principal,  (v)
next,  to the Trustee on behalf  of the Holders and to  such lenders pro rata on
account of  other obligations  of PRI  and (vi)  next, to  PRI or  as  otherwise
required  by law. The Intercreditor Agreement  will provide that the Trustee and
the lenders under the Acquisition Financing  Facility will have recourse to  the
Collateral  and the  collateral acquired  with the  proceeds of  the Acquisition
Financing Facility only through  the Collateral Agent and  that the Trustee  and
such  lenders will have  the right to  direct the Collateral  Agent to foreclose
upon the  Collateral  and the  collateral  acquired  with the  proceeds  of  the
Acquisition Financing Facility, respectively.
 
    There can be no assurance that the proceeds of any sale of the Collateral in
whole  or in part pursuant  to the Indenture and  the related Security Documents
following an Event of Default would be sufficient to satisfy payments due on the
Notes. To the extent  that PRI has outstanding  obligations to lenders under  an
Acquisition  Financing Facility, with  whom the Holders of  the Notes will share
proceeds from any sales of Collateral, amounts realized by Holders of the  Notes
in respect thereof will be reduced. Moreover, some or all of the Collateral will
be  illiquid and  may have no  readily ascertainable  market value. Accordingly,
there can be no assurance that the Collateral  can be sold in a short period  of
time, or at all. In addition, the ability of the Holders of the Notes to realize
upon the Collateral will be subject to certain bankruptcy law limitations in the
event  of a bankruptcy of PRI. Under applicable federal bankruptcy laws, secured
creditors are prohibited  from repossessing their  security from a  debtor in  a
bankruptcy  case, or from disposing of  security repossessed from such a debtor,
without bankruptcy court approval. Moreover, applicable federal bankruptcy  laws
generally  permit the  debtor to continue  to retain collateral  even though the
debtor is in default under  the applicable debt instruments, provided  generally
that  the secured  creditor is given  "adequate protection." The  meaning of the
term "adequate  protection" may  vary  according to  the circumstances,  but  is
intended  in general to protect the value  of the secured creditor's interest in
the collateral at the commencement of  the bankruptcy case and may include  cash
payments  or the granting  of additional security,  if and at  such times as the
court in  its discretion  determines, for  any diminution  in the  value of  the
collateral  as  result  of  the  stay  of  repossession  or  disposition  of the
collateral by the debtor during the pendency of the bankruptcy case. In view  of
the lack of a precise definition of the term "adequate protection" and the broad
discretionary  powers of a bankruptcy court,  the Company cannot predict whether
payments under the Notes  would be made following  commencement of and during  a
bankruptcy  case, whether or when  the Trustee could foreclose  upon or sell the
Collateral or  whether  or  to  what  extent  Holders  of  the  Notes  would  be
compensated  for any delay in payment or loss of value of the Collateral through
the  requirement  of  "adequate  protection."  Furthermore,  in  the  event  the
bankruptcy  court determines that the value  of the Collateral is not sufficient
to repay all  amounts due  on the Notes,  the Holders  would hold  "undersecured
claims."  Applicable federal  bankruptcy laws do  not permit  the payment and/or
accrual of interest, costs and attorney's fees for "undersecured claims"  during
the debtor's bankruptcy case.
 
    Old  Notes initially purchased by qualified institutional buyers who did not
elect to take physical delivery of their certificates were initially represented
by a single, global Note in registered form, registered in the name of a nominee
of DTC,  as depositary.  Notes (i)  originally purchased  by or  transferred  to
certain  "foreign purchasers" or Accredited Investors  or (ii) held by qualified
institutional buyers who elected to take physical delivery of their  certficates
instead  of  holding  their interest  through  the  global Note  were  issued in
registered form. The Exchange Notes exchanged  for Old Notes represented by  the
global  Note  will  be represented  by  one  or more  global  Exchange  Notes in
registered form, registered in the name of the
 
                                       63
<PAGE>
nominee of DTC. See "Description of  Exchange Notes -- Book-entry; Delivery  and
Form."  Exchange Notes issued to  non-qualified institutional buyers in exchange
for Old Notes held by such investors will be issued only in certificated,  fully
registered,  definitive  form. Except  as  described herein,  Exchange  Notes in
definitive certificated  form will  not be  issued in  exchange for  the  global
Exchange Note(s) or interests therein.
 
    THE GLOBAL NOTE.  PRI expects that pursuant to procedures established by DTC
(i)  upon the issuance of the Global Note,  DTC or its custodian will credit, on
its internal system, the principal amount of Notes of the individual  beneficial
interests  represented by such  global securities to  the respective accounts of
persons who have accounts with such depositary and (ii) ownership of  beneficial
interests  in  the  Global Note  will  be shown  on,  and the  transfer  of such
ownership will  be effected  only  through, records  maintained  by DTC  or  its
nominee  (with  respect  to  interests  of  participants)  and  the  records  of
participants (with respect  to interests  of persons  other than  participants).
Such  accounts  initially will  be designated  by  or on  behalf of  the Initial
Purchasers and ownership  of beneficial  interests in  the Global  Note will  be
limited  to persons who  have accounts with DTC  ("participants") or persons who
hold interests through participants. QIBs may hold their interests in the Global
Note directly through DTC if they are participants in such system, or indirectly
through organizations which are participants in such system.
 
    So long as DTC,  or its nominee,  is the registered owner  or holder of  the
Notes,  DTC or  such nominee, as  the case may  be, will be  considered the sole
owner or holder of the  Notes represented by such  Global Note for all  purposes
under  the Indenture. No  beneficial owner of  an interest in  any of the Global
Notes will be  able to transfer  that interest except  in accordance with  DTC's
procedures,  in addition to those provided  for under the Indenture with respect
to the Notes.
 
    Payments of  the principal  of,  premium (if  any) and  interest  (including
Additional  Interest) on the Global Note will be  made to DTC or its nominee, as
the case may be, as  the registered owner thereof. None  of PRI, the Trustee  or
any Paying Agent will have any responsibility or liability for any aspect of the
records  relating  to  or  payments  made  on  account  of  beneficial ownership
interests in the Global  Note or for maintaining,  supervising or reviewing  any
records relating to such beneficial ownership interest.
 
    PRI  expects  that  DTC or  its  nominee,  upon receipt  of  any  payment of
principal, premium,  if  any, or  interest  (including Additional  Interest)  in
respect  of the Global Note, will credit participants' accounts with payments in
amounts proportionate to their respective beneficial interests in the  principal
amount  of the Global  Note as shown on  the records of DTC  or its nominee. PRI
also expects that payments by participants to owners of beneficial interests  in
the  Global Note  held through  such participants  will be  governed by standing
instructions and customary practice, as is now the case with securities held for
the accounts  of  customers  registered  in  the  names  of  nominees  for  such
customers. Such payments will be the responsibility of such participants.
 
    Transfers  between participants in DTC will  be effected in the ordinary way
in accordance with DTC rules and will be settled in same day funds. If a  holder
requires  physical delivery of a Certificated Security for any reason, including
to sell Notes to persons in states which require physical delivery of the Notes,
or to pledge  such securities,  such holder must  transfer its  interest in  the
Global  Note,  in accordance  with the  normal  procedures of  DTC and  with the
procedures set forth in the Indenture.
 
    DTC has advised PRI that it will take any action permitted to be taken by  a
holder  of Notes (including the presentation  of Notes for exchange as described
below) only at the direction  of one or more  participants to whose account  the
DTC  interests  in the  Global Note  are credited  and only  in respect  of such
portion of the aggregate principal amount of Notes as to which such  participant
or  participants has or have given such direction. However, if there is an Event
of  Default  under  the  Indenture,  DTC  will  exchange  the  Global  Note  for
Certificated  Securities, which it will distribute to its participants and which
will be legended as set forth under the heading "Transfer Restrictions."
 
    DTC has  advised PRI  as follows:  DTC is  a limited  purpose trust  company
organized  under the  laws of  the State of  New York,  a member  of the Federal
Reserve System,  a "clearing  corporation"  within the  meaning of  the  Uniform
Commercial  Code and "Clearing Agency" registered  pursuant to the provisions of
Section 17A of the  Securities Exchange Act of  1934, as amended (the  "Exchange
Act"). DTC was created to
 
                                       64
<PAGE>
hold securities for its participants and facilitate the clearance and settlement
of  securities transactions  between participants  through electronic book-entry
changes in  accounts  of its  participants,  thereby eliminating  the  need  for
physical  movement of certificates. Participants  include securities brokers and
dealers, banks,  trust companies  and clearing  corporations and  certain  other
organizations.  Indirect access to the DTC system is available to others such as
banks, brokers, dealers  and trust companies  that clear through  or maintain  a
custodial  relationship  with  a  participant,  either  directly  or  indirectly
("indirect participants").
 
    Although DTC has agreed to the  foregoing procedures in order to  facilitate
transfers of interests in the Global Note among participants of DTC, it is under
no   obligation  to  perform  such  procedures,   and  such  procedures  may  be
discontinued  at  any  time.  Neither  PRI   nor  the  Trustee  will  have   any
responsibility  for  the  performance by  DTC  or its  participants  or indirect
participants of  their respective  obligations under  the rules  and  procedures
governing their operations.
 
    CERTIFICATED SECURITIES.  Certificated Securities will be transferred to all
beneficial  owners in exchange for their beneficial interests in the Global Note
if (A)  DTC (i)  has notified  the Company  that it  is unwilling  or unable  to
continue  as depositary for such Global Note or (ii) has ceased to be a clearing
agency registered under the Exchange Act or (B) there shall have occurred and be
continuing an Event  of Default  resulting in  acceleration of  the Notes.  Such
Certificated  Securities  will  bear  the legends  referred  to  under "Transfer
Restrictions," except  upon satisfaction  of  the conditions  set forth  in  the
Indenture permitting removal of such legends.
 
CERTAIN COVENANTS
 
    RESTRICTED PAYMENTS
 
    The  Indenture provides that  PRI will not,  and will not  permit any of its
Restricted Subsidiaries  to, directly  or  indirectly: (i)  declare or  pay  any
dividend  or make any distribution on account  of the Equity Interests of PRI or
any of  its  Restricted  Subsidiaries (other  than  dividends  or  distributions
payable  in  Equity Interests  (other than  Disqualified Stock)  of PRI  or such
Restricted Subsidiary  or dividends  or distributions  payable by  a  Restricted
Subsidiary  of PRI  to PRI  or to  another Restricted  Subsidiary of  PRI); (ii)
purchase, redeem or otherwise acquire or  retire for value any Equity  Interests
of  PRI or any Restricted  Subsidiary or other Affiliate  of PRI (other than any
such Equity Interests  owned by PRI  or a Restricted  Subsidiary of PRI);  (iii)
purchase,  redeem or otherwise acquire or retire for value any Indebtedness that
is subordinated to the Notes; (iv) pay an amount in any fiscal year in excess of
$600,000 pursuant  to  the  Management  Services  Agreement;  or  (v)  make  any
Restricted  Investment (all such payments and other actions set forth in clauses
(i) through (v) above being collectively referred to as "Restricted  Payments"),
unless, at the time of and after giving effect to such Restricted Payment:
 
       (a) no  Default or Event of Default shall have occurred and be continuing
           or would occur as a consequence thereof;
 
       (b) at the time  of such Restricted  Payment and after  giving pro  forma
           effect  thereto as  if such Restricted  Payment had been  made at the
    beginning of PRI's most recently ended  four full fiscal quarters for  which
    internal  financial statements are available  immediately preceding the date
    on which such Restricted  Payment is made, the  Fixed Charge Coverage  Ratio
    would  have been greater  than 2.0 to  1 for Restricted  Payments made on or
    prior to  February  29, 2000  and  greater than  2.25  to 1  for  Restricted
    Payments made after February 29, 2000; and
 
       (c) such  Restricted Payment  (the amount of  any such  payment, if other
           than cash, to be determined by  the Board of Directors of PRI,  whose
    determination  shall  be  conclusive and  evidenced  by a  resolution  in an
    Officers' Certificate delivered to the Trustee), together with the aggregate
    of all other Restricted Payments made by PRI and its Restricted Subsidiaries
    after the date of the Indenture, shall not exceed the sum of (1) 50% of  the
    Consolidated  Net  Income of  PRI for  the period  (taken as  one accounting
    period) commencing March 1, 1996  and ending on the  last day of PRI's  most
    recently  ended fiscal quarter  for which internal  financial statements are
    available at the time of such  Restricted Payment (or, if such  Consolidated
    Net  Income for such  period is a  deficit, 100% of  such deficit); plus (2)
    100% of the aggregate net cash proceeds received by PRI from the issue, sale
    or exercise since the
 
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<PAGE>
    date of the Indenture of  Equity Interests of PRI  or of debt securities  of
    PRI  that have  been converted  into such  Equity Interests  (other than (A)
    Equity Interests (or convertible debt securities) sold to, or exercised  by,
    a  Restricted Subsidiary of PRI, (B)  Equity Interests the proceeds of which
    are applied as permitted by clause (ii) of the next succeeding paragraph and
    (C) Disqualified  Stock or  debt securities  that have  been converted  into
    Disqualified  Stock); plus (3) the aggregate cash received by PRI as capital
    contributions to PRI after the Issue Date (other than a capital contribution
    applied as permitted by clause (ii) of the next succeeding paragraph);  plus
    (4)  the  amount  of  the  net  reduction  in  Investments  in  Unrestricted
    Subsidiaries of PRI resulting from (x) the payment of cash dividends or  the
    repayment  in  cash of  the principal  of loans  or the  cash return  on any
    Investment, in each  case to the  extent received by  PRI or any  Restricted
    Subsidiary  of PRI from Unrestricted Subsidiaries  of PRI, (y) to the extent
    that any Restricted Investment that was made after the date of the Indenture
    is sold for cash or otherwise  liquidated or repaid for cash, the  after-tax
    cash  return of capital with respect to such Restricted Investment (less the
    cost of  disposition, if  any)  and (z)  the redesignation  of  Unrestricted
    Subsidiaries of PRI as Restricted Subsidiaries of PRI (valued as provided in
    the  definition of "Investment"), such aggregate amount of the net reduction
    in Investments not  to exceed in  the case of  Unrestricted Subsidiary,  the
    amount  of Restricted Investments  previously made by  PRI or any Restricted
    Subsidiary in such Unrestricted Subsidiary, which amount was included in the
    calculation of the amount of Restricted Payments.
 
    The foregoing provisions will not prohibit  (i) the payment of any  dividend
within  60  days after  the  date of  declaration thereof,  if  at said  date of
declaration such  payment  would  have  complied  with  the  provisions  of  the
Indenture;  (ii) the redemption, repurchase,  retirement or other acquisition of
any Equity Interests  of PRI,  or the  defeasance, redemption  or repurchase  of
subordinated  Indebtedness  in exchange  for,  or out  of  the proceeds  of, the
substantially concurrent sale (other than to a Restricted Subsidiary of PRI)  of
Equity  Interests  (other than  any Disqualified  Stock)  of PRI  or out  of the
proceeds of a  substantially concurrent  cash capital  contribution received  by
PRI; (iii) the defeasance, redemption or repurchase of subordinated Indebtedness
with the net proceeds from an incurrence of Indebtedness incurred in a Permitted
Refinancing  (as hereinafter defined); (iv) a Restricted Payment by PRI pursuant
to the Tax Sharing  Agreement; (v) following consummation  by Group of a  Public
Equity  Offering,  a Restricted  Payment  to Group  in  such amounts  as  may be
necessary to pay  operating and/or  administrative expenses  of Group,  up to  a
maximum  of $750,000 per year;  and (vi) a Restricted Payment  to Group of up to
$32.0 million that is applied  in full on the Issue  Date to the payment of  the
redemption  price of a portion of the outstanding 12.5% Notes. Any payments made
pursuant to  clauses (i),  (iv)  and (v)  of this  paragraph  will be,  and  any
payments made pursuant to clauses (ii), (iii) and (vi) will not be, deemed to be
Restricted Payments for the purpose of clause (c) of the preceding paragraph.
 
    Not  later than the date of making any Restricted Payment, PRI shall deliver
to the Trustee an Officers' Certificate stating that such Restricted Payment  is
permitted  and setting forth  the basis upon which  the calculations required by
the "Restricted  Payments" covenant  were computed,  which calculations  may  be
based upon PRI's latest available financial statements.
 
    INCURRENCE OF INDEBTEDNESS AND ISSUANCE OF PREFERRED STOCK
 
    The  Indenture provides that  PRI will not,  and will not  permit any of its
Restricted Subsidiaries  to,  directly  or  indirectly,  create,  incur,  issue,
assume, guarantee or otherwise become directly or indirectly liable with respect
to  (collectively, "incur") any Indebtedness  (including Acquired Debt) and that
PRI will  not issue  any  Disqualified Stock  and will  not  permit any  of  its
Restricted  Subsidiaries to issue  any share of  Disqualified Stock or preferred
stock; PROVIDED, HOWEVER,  that PRI may  incur Indebtedness or  issue shares  of
Disqualified  Stock if the  Fixed Charge Coverage Ratio  for PRI's most recently
ended four  full fiscal  quarters for  which internal  financial statements  are
available  immediately preceding the date  on which such additional Indebtedness
is incurred or such preferred stock is  issued, determined on a pro forma  basis
(including  a pro forma  application of the  net proceeds therefrom),  as if the
additional Indebtedness had been  incurred, or the  Disqualified Stock had  been
issued,  as the case may be, at  the beginning of such four-quarter period would
have been  greater than  2.0  to 1  for Indebtedness  incurred  on or  prior  to
February  28, 1998 and  greater than 2.25  to 1 for  Indebtedness incurred after
February 28, 1998.
 
                                       66
<PAGE>
    The foregoing limitations will not apply to:
 
           (i)
           Indebtedness incurred by PRI under the Senior Credit Facility or  any
           replacement  credit facility in an  aggregate principal amount not to
    exceed the greater of (A) $20.0 million in principal amount (with letters of
    credit being  deemed  to  have  a principal  amount  equal  to  the  maximum
    potential  liability of  PRI thereunder), less  the aggregate  amount of all
    repayments after the Issue Date that permanently reduce the commitment under
    the Senior Credit Facility or such  replacement credit facility and (B)  the
    Borrowing Base at the time such Indebtedness is incurred;
 
          (ii)
           Indebtedness  incurred by PRI or  any Subsidiary Guarantor in respect
           of Capital  Lease Obligations  or Purchase  Money Obligations  in  an
    aggregate  principal  amount  not  to  exceed  $10.0  million  at  any  time
    outstanding reduced by the principal amount of any such Indebtedness  repaid
    with  the Net Proceeds of Asset Sales (other than Purchase Money Obligations
    repaid with  Net  Proceeds  of  Asset  Sales  of  the  asset  securing  such
    Obligations);
 
         (iii)
           Existing Indebtedness outstanding on the date of the Indenture;
 
          (iv)
           the  incurrence by  PRI or  any Subsidiary  Guarantor of Indebtedness
           issued in exchange for, or the proceeds of which are used to  extend,
    refinance, renew, replace, defease or refund (collectively, to "Refinance"),
    any Indebtedness incurred pursuant to clause (iii) above or this clause (iv)
    in  whole or  in part  (the "Refinancing  Indebtedness"); PROVIDED, HOWEVER,
    that (1) the  principal amount  of such Refinancing  Indebtedness shall  not
    exceed  the principal amount of Indebtedness  so Refinanced (plus the amount
    of  prepayment  premium  and  reasonable  expenses  incurred  in  connection
    therewith);  (2) the Refinancing Indebtedness  shall have a Weighted Average
    Life to  Maturity equal  to or  greater than  the Weighted  Average Life  to
    Maturity  of the Indebtedness  being Refinanced; (3)  if the Indebtedness is
    subordinated in right of payment to the Notes, the Refinancing  Indebtedness
    shall  be subordinated in right of payment to the Notes on terms at least as
    favorable to the Holders  of Notes as those  contained in the  documentation
    governing  the Indebtedness; and (4) immediately after such Refinancing, the
    amount remaining outstanding or  available under such Existing  Indebtedness
    or  such Refinancing  Indebtedness being so  Refinanced does  not exceed the
    difference  between  (A)   the  amount  outstanding   under  such   Existing
    Indebtedness  or  such Refinancing  Indebtedness  immediately prior  to such
    Refinancing  together  with  any   prepayment  premium  paid  and   expenses
    reasonably incurred by PRI in connection with such Refinancing MINUS (B) the
    amount  of the Refinancing  Indebtedness being incurred  in such Refinancing
    (any such Refinancing being referred to as a "Permitted Refinancing");
 
           (v)
           Hedging Obligations that are  incurred for the  purpose of fixing  or
           hedging  interest rate risk with respect  to any Indebtedness that is
    permitted by the terms of the Indenture to be outstanding;
 
          (vi)
           intercompany Indebtedness  between  or  among  PRI  and  any  of  its
           Restricted Subsidiaries;
 
         (vii)
           Indebtedness of PRI attributable to any Currency Agreement, Commodity
           Agreement or Interest Rate Agreement;
 
        (viii)
           Indebtedness   arising  from  BONA   FIDE  agreements  providing  for
           indemnification, adjustment of purchase price or similar obligations,
    or from Guarantees or letters of  credit, surety bonds or performance  bonds
    securing  any  obligations  of PRI  or  any of  its  Restricted Subsidiaries
    pursuant to such  agreements, in any  case incurred in  connection with  the
    disposition  of  any business,  assets or  Restricted  Subsidiary of  PRI in
    compliance with the covenant described under "-- Repurchase at the Option of
    Holders -- Asset Sales; Collateral Loss Events" above (other than Guarantees
    of Indebtedness incurred by any Person acquiring all or any portion of  such
    business,  assets  or  Restricted  Subsidiary  of  PRI  for  the  purpose of
    financing such acquisition), in a principal  amount not to exceed the  gross
    proceeds actually received by PRI or any Restricted Subsidiary in connection
    with such disposition; and
 
          (ix)
           other  Indebtedness in  an aggregate  principal amount  not to exceed
           $5.0 million at any time outstanding.
 
                                       67
<PAGE>
    LIENS
 
    The Indenture provides that  PRI will not,  and will not  permit any of  its
Restricted  Subsidiaries to,  directly or  indirectly, create,  incur, assume or
suffer to exist any  Lien on (a)  any item of Collateral  (other than the  Liens
created  by  the  Security  Documents), except  as  expressly  permitted  by the
Security Documents or (b)  any other asset now  owned or hereafter acquired,  or
any  income or profits therefrom or assign or convey any right to receive income
therefrom, except  in  the case  of  this clause  (b),  (1) if  such  Liens  are
Permitted  Liens or (2)  effective provision is  made so that  the Notes will be
secured (A) equally and  ratably with (or prior  to) the obligations so  secured
for  so  long as  such  obligations are  so  secured, or  (B)  in the  event the
obligations so secured are subordinate in  right of payment to the Notes,  prior
to such obligations for so long as such obligations are so secured.
 
    DIVIDEND AND OTHER PAYMENT RESTRICTIONS AFFECTING SUBSIDIARIES
 
    The  Indenture provides that  PRI will not,  and will not  permit any of its
Restricted Subsidiaries to, directly or indirectly, create or otherwise cause or
suffer to  exist or  become  effective any  encumbrance  or restriction  on  the
ability  of any  Restricted Subsidiary  to (a) pay  dividends or  make any other
distributions to PRI or  any of its Restricted  Subsidiaries (1) on its  Capital
Stock or (2) with respect to any other interest or participation in, or measured
by,  its  profits,  (b)  pay  any  Indebtedness  owed  to  PRI  or  any  of  its
Subsidiaries, (c)  make  loans or  advances  to PRI  or  any of  its  Restricted
Subsidiaries  or (d) transfer any  of its properties or assets  to PRI or any of
its Restricted  Subsidiaries,  except  for  such  encumbrances  or  restrictions
existing  under or by  reason of (i)  Existing Indebtedness as  in effect on the
date of the Indenture, (ii) the Indenture and the Notes, (iii) the Senior Credit
Facility, as  in  effect on  the  date of  the  Indenture, and  any  amendments,
modifications,   restatements,  renewals,  increases,  supplements,  refundings,
replacements or  refinancings  thereof  after  such  date;  PROVIDED  that  such
amendments,   modifications,  restatements,  renewals,  increases,  supplements,
refundings, replacements or refinancings are  not more restrictive with  respect
to  the  provisions  set forth  in  clauses (a),  (b),  (c) and  (d)  than those
contained in  the Senior  Credit  Facility, as  in effect  on  the date  of  the
Indenture,  (iv) applicable  law, (v)  any instrument  governing Indebtedness or
Capital Stock of a Person acquired by PRI or any of its Restricted  Subsidiaries
as  in  effect  at the  time  of such  acquisition  (except to  the  extent such
Indebtedness was  incurred  in  connection  with or  in  contemplation  of  such
acquisition),  which encumbrance or restriction is not applicable to any Person,
or the  properties or  assets  of any  Person, other  than  the Person,  or  the
property  or assets of  the Person, so acquired,  PROVIDED that the Consolidated
Cash Flow of such Person is not  taken into account in determining whether  such
acquisition  was  permitted  by  the  terms  of  the  Indenture,  (vi) customary
nonassignment provisions  in  leases entered  into  in the  ordinary  course  of
business  and consistent with  past practices, (vii)  Purchase Money Obligations
for  property  acquired  in  the   ordinary  course  of  business  that   impose
restrictions  of the  nature described  in clause (d)  above on  the property so
acquired, (viii) restrictions with respect solely to a Subsidiary of PRI imposed
pursuant to a binding  agreement (subject only  to customary closing  conditions
and  termination  provisions)  that  has  been  entered  into  for  the  sale or
disposition of all or  substantially all of  the Capital Stock  or assets to  be
sold  of such  Subsidiary, PROVIDED that  such restrictions apply  solely to the
Capital Stock  or  assets to  be  sold of  such  Subsidiary, and  such  sale  or
disposition  is permitted under  the covenant entitled  "Repurchase at Option of
Holders  --  Asset   Sales;  Collateral   Loss  Events"   or  (ix)   Refinancing
Indebtedness,  PROVIDED  that  the  restrictions  contained  in  the  agreements
governing such Refinancing Indebtedness are no more restrictive with respect  to
the  provisions set  forth in  clauses (a),  (b), (c)  and (d)  above than those
contained in the agreements governing the Indebtedness being refinanced.
 
    LIMITATION ON MERGER OR CONSOLIDATION
 
    The Indenture provides that  PRI may not consolidate  or merge with or  into
(whether  or not  PRI is  the surviving  corporation), or  sell, lease, license,
transfer or otherwise dispose of all  or substantially all of its properties  or
assets  in one or more related transactions, to another Person unless (i) PRI is
the surviving  corporation  or  the  Person formed  by  or  surviving  any  such
consolidation  or  merger (if  other than  PRI)  or to  which such  sale, lease,
license, transfer or  other disposition shall  have been made  is a  corporation
organized  or existing under the laws of the United States, any state thereof or
the District  of Columbia;  (ii) the  Person  formed by  or surviving  any  such
consolidation  or merger (if other  than PRI) or the  Person to which such sale,
lease, license, transfer or other disposition  shall have been made assumes  all
the obligations of PRI under
 
                                       68
<PAGE>
the  Notes, the  Indenture and the  Security Documents,  including the Trustee's
uninterrupted Lien with respect  to the Collateral,  pursuant to a  supplemental
indenture  in a form  reasonably satisfactory to  the Trustee; (iii) immediately
after giving effect to such transaction  no Default or Event of Default  exists;
(iv)  PRI or any Person formed by or surviving any such consolidation or merger,
or to which such sale, lease, license, transfer or other disposition shall  have
been   made  (A)  will  have  Consolidated  Net  Worth  (immediately  after  the
transaction but prior to any purchase accounting adjustments resulting from  the
transaction)  equal  to  or  greater  than the  Consolidated  Net  Worth  of PRI
immediately preceding  the  transaction  and  (B) will,  at  the  time  of  such
transaction and after giving pro forma effect thereto as if such transaction had
occurred at the beginning of the applicable four-quarter period, be permitted to
incur  at least  $1.00 of additional  Indebtedness pursuant to  the Fixed Charge
Coverage  Ratio  test  set  forth  in  the  covenant  entitled  "Incurrence   of
Indebtedness and Issuance of Preferred Stock;" and (v) the Company has delivered
to  the Trustee an Officers' Certificate and an Opinion of Counsel, each stating
that such  consolidation,  merger,  sale,  lease,  license,  transfer  or  other
disposition  complies with the "Limitation  on Merger or Consolidation" covenant
and that all conditions precedent in the Indenture relating to such  transaction
have been complied with.
 
    Upon  any  consolidation, merger,  sale, lease,  license, transfer  or other
disposition in accordance  with such  covenant, the successor  Person formed  by
such  consolidation or into  which PRI is  merged or to  which such sale, lease,
license, transfer  or  other  disposition  is made  shall  succeed  to,  and  be
substituted  for,  and may  exercise every  right  and power  of, PRI  under the
Indenture and the Security Documents with  the same effect as if such  successor
had been named as PRI in the Indenture and the Security Documents and thereafter
(except  in the case of a lease) the predecessor corporation will be relieved of
all  further  obligations  and  covenants  under  the  Indenture,  the  Security
Documents and the Notes.
 
    TRANSACTIONS WITH AFFILIATES
 
    The  Indenture provides that  PRI will not,  and will not  permit any of its
Restricted Subsidiaries to, sell, lease, license, transfer or otherwise  dispose
of  any of its properties or assets to, or purchase any property or assets from,
or enter into any contract, agreement, understanding, loan, advance or guarantee
with, or for the benefit of, any Affiliate (each of the foregoing, an "Affiliate
Transaction"), unless (a)  such Affiliate Transaction  is on terms  that are  no
less favorable to PRI or the relevant Restricted Subsidiary, as the case may be,
than  those that would have been obtained  in a comparable transaction by PRI or
such Restricted Subsidiary, as the case may be, with an unrelated Person and (b)
PRI delivers  to the  Trustee  (i) with  respect  to any  Affiliate  Transaction
involving  aggregate payments  in excess  of $1.0  million, a  resolution of the
Board of Directors set  forth in an Officers'  Certificate certifying that  such
Affiliate  Transaction  complies  with  clause  (a)  above  and  such  Affiliate
Transaction is approved by a majority of the disinterested members of the  Board
of  Directors  and  (ii) with  respect  to any  Affiliate  Transaction involving
aggregate payments in excess of $5.0  million, an affirmative opinion as to  the
fairness  to  PRI or  such Restricted  Subsidiary, as  the case  may be,  from a
financial point  of  view issued  by  an  investment banking  firm  of  national
standing  with expertise  in underwriting non-investment  grade debt securities;
PROVIDED, HOWEVER, that (i) any  employment agreement or stock option  agreement
(other  than any such agreement involving options on Disqualified Stock) entered
into by PRI  or any of  its Restricted  Subsidiaries in the  ordinary course  of
business  and  consistent  with the  past  practice  of PRI  or  such Restricted
Subsidiary,  (ii)  transactions  between  or   among  PRI  and  its   Restricted
Subsidiaries,  (iii) transactions permitted  by the provisions  of the Indenture
described above under "-- Restricted  Payments," (iv) the payment of  reasonable
fees  or indemnities to directors of PRI or its Restricted Subsidiaries, (v) the
payment by PRI to HPH of an  amount during any four consecutive fiscal  quarters
pursuant  to the  Management Services Agreement  not in excess  of the Permitted
Amount, (vi) any issuance of Equity Interests (other than Disqualified Stock) or
other payments, awards or grants in  Equity Interests pursuant to stock  options
and stock ownership plans (other than plans involving Disqualified Stock) of PRI
entered  into in the  ordinary course of  business and approved  by the Board of
Directors, (vii) payments pursuant to  the Miner Purchase Agreement, and  (viii)
transactions and payments pursuant to the Registration Rights Agreements and the
Stock  and Warrant Holders Agreement, in each  case will not be deemed Affiliate
Transactions.
 
                                       69
<PAGE>
    GUARANTEE OF THE NOTES
 
    The Indenture provides that PRI will not permit any Restricted Subsidiary to
incur any Indebtedness or issue any  preferred stock unless (i) such  Restricted
Subsidiary  enters  into  or  has  entered into  a  Guarantee  of  the  Notes in
accordance with the terms of the Indenture or (ii) the total principal amount of
Indebtedness and liquidation  preference of preferred  stock of such  Restricted
Subsidiary  does not exceed  $250,000 individually and,  together with the total
principal amount of Indebtedness and  liquidation preference of preferred  stock
of  all other Restricted  Subsidiaries that are not  Guarantors, does not exceed
$500,000 in the aggregate.
 
    Any such Guarantee of the Notes  by a Restricted Subsidiary will be  limited
in  amount to an amount not to exceed  the maximum amount that can be guaranteed
by that Restricted  Subsidiary without rendering  such Guarantee voidable  under
applicable  law  relating to  fraudulent  conveyance or  fraudulent  transfer or
similar laws affecting the rights of creditors generally. With such limitations,
such Guarantee  could  be effectively  subordinated  to all  other  Indebtedness
(including  guarantees  and  other contingent  liabilities)  of  such Restricted
Subsidiary and, depending on  the amount of  such Indebtedness, such  Restricted
Subsidiary's  liability on its Guarantee could be reduced to zero. Upon the sale
or other disposition of a Restricted Subsidiary that is a Guarantor (other  than
to  PRI or  an Affiliate  of PRI)  permitted by  the Indenture,  such Restricted
Subsidiary will be released and relieved  from all of its obligations under  its
Guarantee.
 
    LINE OF BUSINESS
 
    The  Indenture provides that for  so long as any  Notes are outstanding, PRI
and its  Restricted  Subsidiaries  will  engage primarily  in  the  business  of
developing,  manufacturing and marketing of  rigid plastic packaging and plastic
promotional beverage cups.
 
    IMPAIRMENT OF SECURITY INTEREST
 
    Neither PRI nor any of its Subsidiaries will take or omit to take any action
that would have  the result  of adversely  affecting or  impairing the  security
interest  in favor of  the Trustee, on behalf  of itself and  the Holders of the
Notes, with  respect  to  the  Collateral,  and  neither  PRI  nor  any  of  its
Subsidiaries shall grant to any Person, or suffer any Person (other than PRI) to
have  (other than to the Trustee on behalf of the Trustee and the Holders of the
Notes) any interest whatsoever in  the Collateral except as expressly  permitted
by  the Security Documents. Neither  PRI nor any of  its Subsidiaries will enter
into any  agreement  or instrument  that  by  its terms  requires  the  proceeds
received  from any sale of Collateral to be applied to repay, redeem, defease or
otherwise acquire  or retire  any Indebtedness  of any  Person, other  than  (i)
lenders  under  an  Acquisition  Financing Facility  and  (ii)  pursuant  to the
Indenture, the Notes and the Security Documents.
 
    REPORTS
 
    The Indenture  provides  that whether  or  not  required by  the  rules  and
regulations  of the Commission, so  long as any Notes  are outstanding, PRI will
furnish to  the  Holders  of  Notes  (i)  all  quarterly  and  annual  financial
information  that is substantially equivalent to that which would be required to
be contained in a filing with the Commission on Forms 10-Q and 10-K if PRI  were
required  to file such Forms, including  a "Management's Discussion and Analysis
of Financial Condition and Results of  Operations" section and, with respect  to
the  annual information  only, a report  thereon by  PRI's certified independent
accountants and (ii) all reports that are substantially equivalent to that which
would be  required to  be filed  with the  Commission on  Form 8-K  if PRI  were
required to file such reports. In addition, whether or not required by the rules
and  regulations of the Commission, PRI will file a copy of all such information
with the  Commission for  public availability  (unless the  Commission will  not
accept  such  a filing)  and make  such information  available to  investors who
request it in writing. The Indenture also  requires that, so long as any of  the
Notes  remain outstanding, PRI will make  available to any prospective purchaser
of Notes or beneficial owner  of Notes in connection  with any sale thereof  the
information  required by  Rule 144A(d)(4) under  the Securities  Act, until such
time as  PRI has  either exchanged  the Notes  for securities  identical in  all
material  respects which have been registered  under the Securities Act or until
such time as  the holders thereof  have disposed  of such Notes  pursuant to  an
effective registration statement under the Securities Act.
 
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EVENTS OF DEFAULT AND REMEDIES
 
    The  Indenture provides that  each of the following  constitutes an Event of
Default: (i) default  for 30 days  in the payment  when due of  interest on  the
Notes;  (ii) default in payment when due of the principal of or premium, if any,
on the Notes or in payment when due with respect to Notes tendered pursuant to a
Change of Control Offer or Asset Sale Offer; (iii) failure by PRI to comply with
the provisions described  under the covenants  "-- Repurchase at  the Option  of
Holders"  and "-- Certain  Covenants -- Limitation  on Merger or Consolidation;"
(iv) failure by PRI  for 30 days  after written notice from  the Trustee or  the
holders  of  25%  of the  outstanding  Notes to  comply  with any  of  its other
agreements in  the Indenture  or  the Notes;  (v)  default under  any  mortgage,
indenture or instrument under which there may be issued or by which there may be
secured  or evidenced any Indebtedness  for money borrowed by  PRI, Group or any
Restricted Subsidiary of  PRI (or  the payment of  which is  guaranteed by  PRI,
Group  or  any  Restricted  Subsidiary  of  PRI)  whether  such  Indebtedness or
guarantee now  exists, or  is created  after the  date of  the Indenture,  which
default  (a) is caused by a  failure to pay principal of  or premium, if any, on
such Indebtedness prior to the expiration of the grace period, if any,  provided
in such Indebtedness (a "Payment Default") or (b) results in the acceleration of
such Indebtedness prior to its express maturity and, in each case, the principal
amount of any such Indebtedness, together with the principal amount of any other
such  Indebtedness under which there has been  a Payment Default or the maturity
of which has been so accelerated, aggregates $5.0 million or more; (vi)  failure
by  PRI,  Group or  any  Restricted Subsidiary  of  PRI to  pay  final judgments
aggregating in excess of $3.0 million, which judgments are not paid,  discharged
or  stayed  for a  period  of 60  days; (vii)  certain  events of  bankruptcy or
insolvency with respect to PRI, Group  or any Restricted Subsidiary of PRI  that
is a Significant Subsidiary or any group of Restricted Subsidiaries of PRI that,
taken together, would constitute a Significant Subsidiary of PRI; and (viii) any
of  the Security Documents cease  to be in full force  and effect (other than in
accordance with their respective terms or the terms of the Indenture), or any of
the Security Documents cease to give  the Trustee the Liens, rights, powers  and
privileges purported to be created thereby, or any Security Document is declared
null  and void, or PRI denies any of its obligations under any Security Document
or any Collateral becomes subject  to any Lien other  than the Liens created  or
permitted by the Security Documents.
 
    If any Event of Default occurs and is continuing, the Trustee or the Holders
of  at least 25% in  principal amount of the  then outstanding Notes may declare
all the Notes to be due and payable immediately. Notwithstanding the  foregoing,
in  the case of an Event of Default arising from certain events of bankruptcy or
insolvency with respect to PRI, Group, any Restricted Subsidiary of PRI that  is
a  Significant Subsidiary or  any group of Restricted  Subsidiaries of PRI that,
taken  together,  would  constitute  a   Significant  Subsidiary  of  PRI,   all
outstanding  Notes will become due and payable without further action or notice.
Holders of  the Notes  may not  enforce the  Indenture or  the Notes  except  as
provided in the Indenture. Subject to certain limitations, Holders of a majority
in  principal amount of the then outstanding Notes may direct the Trustee in its
exercise of any trust  or power. The  Trustee may withhold  from Holders of  the
Notes  notice of any continuing Default or Event of Default (except a Default or
Event of Default relating  to (i) the  payment of principal  or interest on  the
Notes,  (ii) payment when due  with respect to the  Notes tendered pursuant to a
Change of Control Offer or Asset Sale Offer or (iii) the failure to comply  with
the covenant described above under "-- Certain Covenants -- Limitation on Merger
or  Consolidation") if  it determines that  withholding such notice  is in their
interest.
 
    In the case  of any  Event of  Default occurring  by reason  of any  willful
action  (or inaction)  taken (or  not taken)  by or  on behalf  of PRI  with the
intention of avoiding payment of the premium  that PRI would have had to pay  if
PRI  then had elected  to redeem the  Notes pursuant to  the optional redemption
provisions of the  Indenture, an  equivalent premium  shall also  become and  be
immediately due and payable to the extent permitted by law upon the acceleration
of  the Notes. If an Event of Default occurs  prior to May 1, 2000, by reason of
any willful action (or  inaction) taken (or  not taken) by or  on behalf of  PRI
with  the intention of avoiding the prohibition on redemption of the Notes prior
to such date, then  the amount payable  for purposes of  this paragraph will  be
105.813%,  expressed as a percentage  of the amount that  would otherwise be due
but for the provisions of this sentence,  plus accrued interest, if any, to  the
date of payment.
 
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<PAGE>
    The  Holders of a majority  in aggregate principal amount  of the Notes then
outstanding by notice to  the Trustee may  on behalf of the  Holders of all  the
Notes  waive any existing Default or Event of Default and its consequences under
the Indenture except a continuing Default or Event of Default in the payment  of
interest  (and  premium,  if any)  on,  or the  principal  of, the  Notes  or in
connection with a covenant or provision contained in the Indenture which  cannot
be  modified or amended without the consent of the Holders of the Notes affected
thereby.
 
    PRI is required  to deliver to  the Trustee annually  a statement  regarding
compliance  with the Indenture, and, upon becoming aware of any Default or Event
of Default, to  deliver to the  Trustee a statement  specifying such Default  or
Event of Default.
 
NO PERSONAL LIABILITY OF DIRECTORS, OFFICERS, EMPLOYEES AND STOCKHOLDERS
 
    No  past,  present or  future director,  officer, employee,  incorporator or
stockholder of  PRI  or  Group,  as  such, shall  have  any  liability  for  any
obligations  of PRI under the Notes, the Indenture or for any claim based on, in
respect of, or by reason of, such obligations or their creation. Each Holder  of
Notes by accepting a Note waives and releases all such liability. The waiver and
release are part of the consideration for issuance of the Notes. Such waiver may
not  be effective to waive liabilities under  the federal securities laws and it
is the view of the Commission that such a waiver is against public policy.
 
LEGAL DEFEASANCE AND COVENANT DEFEASANCE
 
    PRI may,  at its  option  and at  any time,  elect  to have  the  Collateral
released  from  the  Lien created  by  the  Security Documents  and  all  of its
obligations  discharged   with  respect   to  the   outstanding  Notes   ("Legal
Defeasance")  except  for (i)  the  rights of  Holders  of outstanding  Notes to
receive payments in respect of the  principal of, premium, if any, and  interest
on such Notes when such payments are due, (ii) PRI's obligations with respect to
the  Notes concerning issuing temporary Notes, registration of Notes, mutilated,
destroyed, lost or stolen Notes and the  maintenance of an office or agency  for
payment and money for security payments held in trust, (iii) the rights, powers,
trusts,  duties  and  immunities  of  the  Trustee,  and  PRI's  obligations  in
connection therewith, and (iv) the Legal Defeasance provisions of the Indenture.
In addition, PRI may, at  its option at any time,  elect to have the  Collateral
released  from the  Lien created by  the Security Documents  and its obligations
released with respect to certain covenants  that are described in the  Indenture
and  the Security Documents ("Covenant  Defeasance") and thereafter any omission
to comply  with such  obligations shall  not constitute  a Default  or Event  of
Default  with respect  to the  Notes. In  the event  Covenant Defeasance occurs,
certain   events   (not   including   nonpayment,   bankruptcy,    receivership,
rehabilitation  and insolvency events) described  under "Events of Default" will
no longer constitute an Event of Default with respect to the Notes.
 
    In order to exercise either Legal Defeasance or Covenant Defeasance, (i) PRI
must irrevocably deposit  with the  Trustee, in trust,  for the  benefit of  the
holders  of the Notes, cash in U.S. Dollars, non-callable Government Securities,
or a combination thereof, in such amounts as will be sufficient, in the  opinion
of  a nationally recognized  firm of independent public  accountants, to pay the
principal of, premium,  if any,  and interest on  the outstanding  Notes on  the
stated  maturity or on  the applicable redemption  date, as the  case may be, of
such principal or installment of principal  of, premium, if any, or interest  on
the  outstanding Notes;  (ii) in  the case of  Legal Defeasance,  PRI shall have
delivered to the  Trustee an  opinion of  counsel reasonably  acceptable to  the
Trustee  confirming that (A) PRI has received  from, or there has been published
by, the  Internal  Revenue  Service a  ruling  or  (B) since  the  date  of  the
Indenture,  there has been a change in the applicable federal income tax law, in
either case to the effect that, and based thereon such opinion of counsel  shall
confirm  that, the Holders  of the outstanding Notes  will not recognize income,
gain or  loss  for  federal income  tax  purposes  as a  result  of  such  Legal
Defeasance and will be subject to federal income tax on the same amounts, in the
same  manner and at  the same times  as would have  been the case  if such Legal
Defeasance had not occurred; (iii) in the case of Covenant Defeasance, PRI shall
have delivered to the Trustee an Opinion of Counsel reasonably acceptable to the
Trustee confirming that the Holders of the outstanding Notes will not  recognize
income,  gain  or loss  for  federal income  tax purposes  as  a result  of such
Covenant Defeasance  and will  be subject  to  federal income  tax on  the  same
amounts, in the same manner and at the same times as would have been the case if
such Covenant Defeasance had not occurred; (iv) no
 
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Default or Event of Default shall have occurred and be continuing on the date of
such  deposit  or insofar  as Events  of Default  from bankruptcy  or insolvency
events are concerned, at any time in the period ending on the 91st day after the
date of deposit;  (v) such  Legal Defeasance  or Covenant  Defeasance shall  not
result  in a breach or violation of,  or constitute a default under any material
agreement or instrument (other than  the Indenture) to which  PRI or any of  its
Restricted  Subsidiaries is  a party or  by which  PRI or any  of its Restricted
Subsidiaries is bound; (vi) PRI shall  have delivered to the Trustee an  opinion
of  counsel to  the effect that  after the  91st day following  the deposit, the
trust funds will  not be  subject to the  effect of  any applicable  bankruptcy,
insolvency,   reorganization  or   similar  laws   affecting  creditors'  rights
generally;  (vii)  PRI  shall  have  delivered  to  the  Trustee  an   Officers'
Certificate  stating that  the deposit was  not made  by PRI with  the intent of
preferring the Holders of Notes over the other creditors of PRI with the  intent
of  defeating, hindering,  delaying or defrauding  creditors of  PRI; (viii) PRI
shall have delivered to the Trustee an Opinion of Counsel to the effect that the
trust resulting from  the deposit  does not constitute,  or is  qualified as,  a
regulated  investment  company  under the  Investment  Company Act  of  1940, as
amended; and  (ix)  PRI  shall  have  delivered  to  the  Trustee  an  Officers'
Certificate  and  an  opinion  of  counsel,  each  stating  that  all conditions
precedent provided  for  relating  to  the  Legal  Defeasance  or  the  Covenant
Defeasance have been complied with.
 
POSSESSION, USE AND RELEASE OF COLLATERAL
 
    Unless  an Event of Default shall have  occurred and be continuing, PRI will
have the  right to  remain in  possession and  retain exclusive  control of  the
Collateral  securing  the  Notes  (other  than  any  cash  and  Cash Equivalents
constituting part of the Collateral and  deposited with the Trustee in the  Cash
Collateral  Account and other than  as set forth in  the Security Documents), to
freely operate the Collateral and to  collect, invest and dispose of any  income
thereon.
 
    RELEASE OF COLLATERAL
 
    Upon compliance by PRI with the conditions set forth below in respect of any
Asset  Sale, the Trustee will release  the Released Interests (as defined below)
from the Lien of the Security  Documents and reconvey the Released Interests  to
PRI.  PRI will have  the right to obtain  a release of  items of Collateral (the
"Released Interests")  subject  to  an  Asset  Sale  upon  compliance  with  the
condition that PRI deliver to the Trustee the following:
 
       (a) A  notice from PRI requesting the  release of Released Interests, (i)
           describing the proposed Released Interests, (ii) specifying the value
    of such Released  Interests on a  date within  60 days of  such notice  (the
    "Valuation  Date"), (iii) stating that the  purchase price to be received is
    at least  equal to  the fair  market value  of the  Released Interest,  (iv)
    stating  that the release of such Released Interests will not interfere with
    the Trustee's ability to realize the  value of the remaining Collateral  and
    will  not impair the maintenance and  operation of the remaining Collateral,
    (v) confirming the sale of, or an agreement to sell, such Released Interests
    in a bona fide sale to  a person or entity that  is not an Affiliate of  PRI
    or,  in  the event  that such  sale  is to  a person  or  entity that  is an
    Affiliate, confirming  that  such  sale  is  made  in  compliance  with  the
    provisions  set forth above under "-- Certain Covenants -- Transactions with
    Affiliates," (vi) certifying that  such Asset Sale  complies with the  terms
    and conditions of the Indenture with respect thereto, and (vii) in the event
    there  is to be a substitution  of Replacement Collateral for the Collateral
    subject  to  the  Asset  Sale,  specifying  the  property  intended  to   be
    substituted for the Collateral to be disposed of;
 
       (b) An  Officers' Certificate  of PRI  stating that  (i) such  Asset Sale
           covers only the Released  Interests and complies  with the terms  and
    conditions  of the Indenture with respect to  Asset Sales, (ii) all Net Cash
    Proceeds from the  sale of  any of the  Released Interests  will be  applied
    pursuant to the provisions of the Indenture in respect of Asset Sales, (iii)
    there  is no  Default (unless  the Default  Release Conditions  are complied
    with) or Event of Default in effect  or continuing on the date thereof,  the
    Valuation  Date or  the date  of such  Asset Sale,  (iv) the  release of the
    Collateral will  not result  in a  Default  or Event  of Default  under  the
    Indenture  or any Security Document, and (v) all conditions precedent in the
    Indenture relating to the release in question have been complied with; and
 
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<PAGE>
       (c) All documentation required by the Trust Indenture Act, if any,  prior
           to  the release of Collateral by the  Trustee and, in the event there
    is to be a substitution of Replacement Collateral for the Collateral subject
    to the Asset Sale, all documentation necessary to effect the substitution of
    such Replacement Collateral.
 
    With respect  to any  release  of Released  Interests  requested by  PRI  in
connection  with any Asset  Sale by PRI or  a Restricted Subsidiary  of PRI if a
Default is in  effect or  continuing on the  date of  the Officers'  Certificate
referred  to in clause (b)  above, the applicable Valuation  Date or the date of
such Asset  Sale, "Default  Release Conditions"  mean, as  a condition  to  such
release,  (i) the receipt by PRI and delivery to the Trustee of (A) an appraisal
by an independent third party appraiser  of the value of the Released  Interests
as  of the applicable Valuation Date (the "Appraised Value"), in the case of any
Asset Sale other than an Asset Sale involving the sale, as a going concern, of a
business or line of business (a "Business Sale"), which Appraised Value shall be
less than or equal to the consideration to be received by PRI or such Restricted
Subsidiary pursuant to  such Asset Sale,  or (B) in  the case of  an Asset  Sale
involving  a  Business  Sale, an  affirmative  opinion issued  by  an investment
banking firm of national standing with expertise in underwriting  non-investment
grade  debt securities as to the fairness to PRI or the Restricted Subsidiary of
PRI engaging in such Asset Sale, as the  case may be, from a financial point  of
view of the consideration to be received by PRI or such Restricted Subsidiary in
such Asset Sale in exchange for the assets proposed to be sold, (ii) 100% of the
consideration to be received in such Asset Sale shall be in the form of cash and
(iii)  the Net Proceeds of such Asset  Sale shall, concurrently with the release
of the  Released Interests,  be deposited  in the  Cash Collateral  Account  and
retained therein pending application as provided in the next succeeding sentence
and  PRI shall  have taken such  other actions, at  its sole expense,  as may be
required to ensure  that the Trustee  holds a  first priority Lien  on such  Net
Proceeds  in accordance with  the Indenture. Such  Net Proceeds shall constitute
Excess Proceeds  for purposes  of determining  the time  at which  PRI shall  be
required to make an Asset Sale Offer and shall be applied solely (i) to purchase
Notes  tendered pursuant to an Asset Sale Offer and (ii) following such an Asset
Sale Offer,  to the  extent such  Net Proceeds  remain on  deposit in  the  Cash
Collateral  Account, to purchase or invest in Replacement Collateral at any time
or from time to time.
 
    DISPOSITION OF COLLATERAL WITHOUT RELEASE
 
    Notwithstanding the provisions  described under "--  Release of  Collateral"
above,  so long  as no Default  or Event of  Default shall have  occurred and be
continuing, PRI  may, among  other things,  subject to  certain limitations  and
conditions, sell or otherwise dispose of any property subject to the Lien of the
Security  Documents  that  may  have  become  worn  out  or  obsolete;  abandon,
terminate, cancel, release or make alterations in or substitutions of any leases
or contracts subject to the Lien of the Security Documents; surrender or  modify
any  franchise, license or permit subject to  the Lien of the Security Documents
that it may  own or under  which it  may be operating;  alter, repair,  replace,
change the location or position of and add to its structure, machinery, systems,
equipment,  fixtures and appurtenances; demolish,  dismantle, tear down or scrap
any Collateral  or abandon  any thereof;  and grant  leases in  respect of  real
property constituting Collateral under certain circumstances.
 
TRANSFER AND EXCHANGE
 
    A  Holder may transfer  or exchange Notes in  accordance with the Indenture.
The Registrar  and the  Trustee may  require a  Holder, among  other things,  to
furnish  appropriate endorsements and  transfer documents and  PRI may require a
Holder to pay any taxes and fees required by law or permitted by the  Indenture.
PRI  is not required to  transfer or exchange any  Note selected for redemption.
Also, PRI is not required  to transfer or exchange any  Note for a period of  15
days before a selection of Notes to be redeemed.
 
    The  registered  Holder of  a  Note will  be treated  as  its owner  for all
purposes.
 
AMENDMENT, SUPPLEMENT AND WAIVER
 
    Except as provided  in the  next succeeding paragraphs,  the Indenture,  the
Notes  or the Security Documents may be amended or supplemented with the consent
of the Holders  of at least  a majority in  principal amount of  the Notes  then
outstanding  (including consents obtained  in connection with  a tender offer or
exchange offer  for Notes),  and any  existing default  or compliance  with  any
provisions of the
 
                                       74
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Indenture  or the  Notes may  be waived  with the  consent of  the Holders  of a
majority in principal amount of  the then outstanding Notes (including  consents
obtained in connection with a tender offer or exchange offer for Notes).
 
    Without  the consent of each Holder affected, an amendment or waiver may not
(with respect to any Notes held by a non-consenting Holder of Notes): (i) reduce
the percentage of  principal amount of  Notes whose Holders  must consent to  an
amendment,  supplement or waiver, (ii) reduce  the principal amount of or change
the fixed maturity  of any Note,  (iii) reduce the  redemption price,  including
premium,  if any, or change the time at  which at any Note may be redeemed, (iv)
reduce the repurchase price for the offers to purchase described above under the
caption "--Repurchase at  the Option of  Holder," change the  time at which  any
Note  may be repurchased  thereunder or otherwise amend  in any material respect
(including through  amendment of  any of  the definitions  relating thereto)  or
waive  PRI's obligation to make and consummate  a Change of Control Offer in the
event of a Change  of Control or an  Asset Sale Offer in  the event of an  Asset
Sale, (v) reduce the rate of, or change the time for payment of, interest on any
Note,  (vi) waive  a continuing Default  or Event  of Default in  the payment of
principal of or premium, if any, or  interest on the Notes (except a  rescission
of  acceleration of the Notes by the Holders of at least a majority in aggregate
principal amount of the Notes and a waiver of the payment default that  resulted
from  such acceleration), (vii) make  any Note payable in  money other than that
stated in the Notes, (viii) make any  change in the provisions of the  Indenture
relating  to  waivers of  past Defaults  or the  rights of  Holders of  Notes to
receive payments of principal of or premium,  if any, or interest on the  Notes,
(ix)  waive a redemption payment  with respect to any  Note, (x) modify or amend
the Indenture or the  Security Documents, or  take or fail  to take any  action,
that  would have  the effect  of impairing  the Lien  on the  Collateral granted
pursuant to the Security Documents or permitting any release of Collateral  from
such  Lien except  as expressly  contemplated by  the Indenture  or the Security
Documents, (xi) impair the  right to institute suit  for the enforcement of  any
payment  of principal or  interest on or  after the fixed  maturity thereof, any
payment of the redemption price (including premium, if any) on or after the date
of redemption or any payment of the repurchase amount for the offers to purchase
described above under the caption "-- Repurchase at the Option of Holders" on or
after the date of  such repurchase, or  (xii) make any  change in the  foregoing
amendment and waiver provisions.
 
    Notwithstanding  the foregoing, without the consent  of any Holder of Notes,
PRI and the  Trustee may amend  or supplement  the Indenture, the  Notes or  the
Security Documents to provide for the assumption of PRI's obligations to Holders
of  the Notes in the case of a  merger or consolidation, to make any change that
would provide any additional rights or benefits to, or security for, the Holders
of the Notes, to cure any ambiguity, defect or inconsistency, or make any  other
provision  which shall  not be inconsistent  with the Indenture  or any Security
Document, provided that any such other  provision does not adversely affect  the
interests of the Holders.
 
GOVERNING LAW
 
    The Indenture and the Notes are governed by and construed in accordance with
the laws of the State of New York without giving effect to applicable principles
of  conflicts of laws to  the extent that the application  of the law of another
jurisdiction would be required thereby.
 
THE TRUSTEE
 
    LaSalle National  Bank is  the  Trustee under  the  Indenture and  has  been
appointed by PRI as Registrar and Paying Agent with respect to the Notes.
 
    LaSalle  National Bank  is the administrative  agent and a  lender under the
Senior Credit Facility and may extend additional credit to PRI and Group in  the
future.  In the event of a Default  under the Indenture, due to LaSalle National
Bank's relationship with PRI as lender under the Senior Credit Facility, LaSalle
National Bank  would  be  deemed, under  the  Trust  Indenture Act,  to  have  a
conflicting  interest and would be required to eliminate such conflict within 90
days, apply to the Commission for permission to continue as Trustee or resign as
Trustee. LaSalle National Bank is also trustee under the indenture governing the
12.5% Notes, a portion of which will be redeemed for cash in connection with the
Financing Plan. Upon consummation of  the Financing Plan, LaSalle National  Bank
will resign as trustee under such indenture.
 
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<PAGE>
    The  Holders of a majority in principal amount of the then outstanding Notes
will have the  right to  direct the  time, method  and place  of conducting  any
proceeding  for  exercising  any remedy  available  to the  Trustee,  subject to
certain exceptions. The  Indenture provides  that in  case an  Event of  Default
shall  occur (which shall  not be cured),  the Trustee will  be required, in the
exercise of its power, to use the degree of care of a prudent man in the conduct
of his own affairs.  Subject to such  provisions, the Trustee  will be under  no
obligation  to exercise any of  its rights or powers  under the Indenture at the
request of any Holder  of Notes, unless  such Holder shall  have offered to  the
Trustee security and indemnity satisfactory to it against any loss, liability or
expense.
 
CERTAIN DEFINITIONS
 
    Set  forth below are certain defined  terms used in the Indenture. Reference
is made to the Indenture for a full disclosure of all such terms, as well as any
other capitalized terms used herein for which no definition is provided.
 
    "ACQUIRED  DEBT"  means,   with  respect  to   any  specified  Person:   (i)
Indebtedness  of any  other Person  existing at the  time such  other Person was
acquired by such specified Person or  a Restricted Subsidiary of such  specified
Person,  merged with or into or became a Restricted Subsidiary of such specified
Person, including Indebtedness incurred in connection with, or in  contemplation
of,  such other Person merging with or  into or becoming a Restricted Subsidiary
of such specified Person and (ii) Indebtedness encumbering any asset acquired by
such specified Person.
 
    "ACQUISITION FINANCING CONDITIONS" means (i)  the execution and delivery  by
or  on behalf  of the  lender or  lenders parties  to the  Acquisition Financing
Facility of an Intercreditor Agreement, (ii) the granting to, and perfection by,
such lender or lenders of security interests on the real property, equipment and
general intangibles acquired  with the  proceeds of  such Acquisition  Financing
Facility  in favor of a  Collateral Agent (which initially  will be the Trustee)
acting on behalf of the Holders of  the Notes and such lender or lenders,  (iii)
the  consent to such Intercreditor Agreement by  PRI and (iv) the receipt by the
Trustee of an Officers'  Certificate and Opinion of  Counsel that the  foregoing
conditions have been satisfied.
 
    "ACQUISITION FINANCING FACILITY" means a credit facility between PRI and the
lender  or lenders party thereto providing  for loans (i) incurred in compliance
with the "Incurrence of Indebtedness and Issuance of Preferred Stock"  covenant,
(ii)  the proceeds of  which are required  to be applied,  and which are applied
within five days of receipt, to the  purchase by PRI of property or assets  used
in  a line of business in which PRI is permitted to engage pursuant to the "Line
of Business" covenant and (iii) as to which the Acquisition Financing Conditions
shall have been satisfied.
 
    "AFFILIATE" of  any specified  Person  means any  other Person  directly  or
indirectly  controlling  or controlled  by or  under  direct or  indirect common
control with such specified Person.  For purposes of this definition,  "control"
(including,  with correlative meanings, the terms "controlling," "controlled by"
and "under common control with"), as used with respect to any Person, shall mean
the possession, directly  or indirectly,  of the power  to direct  or cause  the
direction  of the  management or  policies of  such Person,  whether through the
ownership of voting  securities, by agreement  or otherwise; PROVIDED,  HOWEVER,
that  beneficial ownership of 10%  or more of the  voting securities of a Person
shall be deemed to be control.  Notwithstanding the foregoing, in no event  will
the  Initial Purchasers or  any Affiliate of  an Initial Purchaser  be deemed an
Affiliate of  PRI for  purposes of  the purchase  of the  Notes by  the  Initial
Purchasers,  any  compensation  paid or  payable  to the  Initial  Purchasers in
connection therewith  or  any of  the  other transactions  contemplated  by  the
Purchase  Agreement to  be entered  into by  PRI and  the Initial  Purchasers in
connection with the Offering, including, without limitation, the indemnification
and contribution obligations of PRI contained therein.
 
    "ASSET SALE"  means,  with respect  to  any  Person, (i)  the  sale,  lease,
conveyance  or other  disposition (collectively,  "dispositions") of  any assets
(including  by  way  of  a  sale  and  leaseback  transaction)  other  than  (A)
dispositions  of inventory in the ordinary  course of business, (B) dispositions
of Autoweld machinery  and related  parts, and  (C) Permitted  Leases, (ii)  the
issuance  by any  Restricted Subsidiary of  Equity Interests  of such Restricted
Subsidiary  or  (iii)  the  disposition   by  such  Person  or  any   Restricted
Subsidiaries of such
 
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Person  of Equity Interests of any Restricted  Subsidiary of such Person, in the
case of either clause (i), (ii) or  (iii), whether in a single transaction or  a
series  of related transactions (a)  that have a fair  market value in excess of
$1.0 million or (b) for net proceeds in excess of $1.0 million.  Notwithstanding
the  foregoing,  the following  will  not be  deemed to  be  Asset Sales:  (i) a
disposition of assets  by PRI  to any  of its  Restricted Subsidiaries  or by  a
Restricted  Subsidiary of PRI to PRI  or another of its Restricted Subsidiaries,
(ii) an issuance of Equity Interests by a Restricted Subsidiary of PRI to PRI or
to another Restricted  Subsidiary of PRI,  (iii) a disposition  consisting of  a
Restricted  Payment permitted by the covenant  described above under the caption
"-- Certain Covenants -- Restricted Payments", (iv) a disposition by PRI or  any
of  its Restricted Subsidiaries  of Equity Interests of  any of their respective
Unrestricted Subsidiaries and (v) the disposition of all or substantially all of
the assets of PRI and its Restricted Subsidiaries taken as a whole permitted  by
the  covenant  described  above  under  the  caption  "--  Certain  Covenants --
Limitation on Merger or Consolidation."
 
    "AUTHORITY" means any  federal, state,  municipal or  local governmental  or
quasi-governmental agency or authority.
 
    "BORROWING  BASE"  on  any  date,  means the  sum  of  (i)  90%  of accounts
receivable, (ii) 75% of raw materials inventory and (iii) 75% of finished  goods
inventory  of PRI that would be reflected on a balance sheet of PRI, prepared in
accordance with GAAP on a separate and not a consolidated basis, on such date.
 
    "CAPITAL LEASE OBLIGATION" means, at  the time any determination thereof  is
to be made, the amount of the liability in respect of a capital lease that would
at  such  time be  required to  be capitalized  on a  balance sheet  prepared in
accordance with GAAP.
 
    "CAPITAL STOCK" means any and all shares, interests, participations,  rights
or other equivalents (however designated) of corporate stock, including, without
limitation, with respect to partnerships, partnership interests (whether general
or limited) and any other interest or participation that confers on a Person the
right  to receive  a share  of the  profits and  losses of,  or distributions of
assets of, such partnership.
 
    "CASH COLLATERAL ACCOUNT"  means one  or more accounts  in the  name of  the
Trustee  pursuant to the applicable Security  Document, and in the sole dominion
and control  of  the  Trustee, into  which  certain  funds are  required  to  be
deposited  by or  on behalf  of PRI  under the  terms of  the Indenture  and the
Security Documents.
 
    "CASH EQUIVALENTS" means (i) United  States dollars, (ii) securities  issued
or  directly and fully guaranteed or insured  by the United States government or
any agency or  instrumentality thereof having  maturities of not  more than  six
months from the date of acquisition and bankers' acceptances with maturities not
exceeding six months from the date of acquisition, (iii) certificates of deposit
and  eurodollar  time  deposits with  maturities  not exceeding  six  months and
overnight bank deposits, in the case of deposits in excess of $100,000, with any
commercial bank, depository institution or  trust company incorporated or  doing
business  under the laws of  the United States of  America, any state thereof or
the District  of Columbia  or a  branch  or subsidiary  of any  such  depository
institution or trust company operating outside the United States, provided, that
such depository institution or trust company has, at the time of the Investment,
having   capital  and  surplus  in  excess  of  $200  million,  (iv)  repurchase
obligations with a term of  not more than 30  days for underlying securities  of
the  types described in clauses  (ii) and (iii) entered  into with any financial
institution meeting  the qualifications  specified in  clause (iii)  above,  (v)
commercial  paper having a  rating in one  of the two  highest rating categories
from Moody's Investors  Service, Inc. or  Standard & Poor's  Corporation and  in
each  case maturing  within six  months after the  date of  acquisition and (vi)
money market mutual or similar funds having assets in excess of $200.0 million.
 
    "CASUALTY", with respect  to any  Collateral, means  loss of,  damage to  or
destruction of all or any part of such Collateral.
 
    "CEDAR  GROVE FACILITY" means the Company's leased facility located in Cedar
Grove, New Jersey.
 
    "CHANGE OF CONTROL" means  the occurrence of any  of the following: (i)  the
sale,  lease, transfer, conveyance or  other disposition, in one  or a series of
related  transactions,  of   all  or   substantially  all  of   the  assets   of
 
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PRI  to any  Person or  group (as  such term  is used  in Sections  13(d)(3) and
14(d)(2) of the  Exchange Act),  (ii) the  adoption of  a plan  relating to  the
liquidation  or dissolution  of PRI,  (iii) any  Person (other  than a Permitted
Holder) or group  (as defined above)  is or becomes  the "beneficial owner"  (as
defined  in  Rules  13d-2  and  13d-5  under  the  Exchange  Act),  directly  or
indirectly, of more than 35%  of the total voting power  of the Voting Stock  of
Group  or PRI, including  by way of merger,  consolidation or otherwise provided
that the Permitted  Holders (A)  beneficially own less  than a  majority of  any
class  of Voting  Stock of  PRI or  (B) do  not have  the right  and ability, by
contract, voting power or otherwise, to elect or designate for election at least
a majority  of the  Board  of Directors  of  each of  Group  (so long  as  Group
beneficially  owns a majority of any class of  Voting Stock of PRI) and PRI, and
(iv) the first day on which a majority of the members of the Board of  Directors
of  Group (so long as Group beneficially owns  a majority of any class of Voting
Stock of PRI) or PRI are not Continuing Directors.
 
    "COLLATERAL LOSS EVENT" means a Condemnation or Casualty involving an actual
or constructive total loss or agreed or compromised actual or constructive total
loss of Collateral  with a  fair market  value, as  determined by  the Board  of
Directors of PRI in good faith, in excess of $500,000.
 
    "COMMODITY AGREEMENT" means any commodity futures contract, commodity option
or  other similar agreement or arrangement entered into by PRI or any Subsidiary
designed to protect PRI or any  of its Subsidiaries against fluctuations in  the
price of commodities actually used to produce products in the ordinary course of
business of PRI and its Subsidiaries.
 
    "CONDEMNATION"  means any taking of the  Collateral, or any part thereof, in
or  by  condemnation,  expropriation  or  similar  proceeding,  eminent   domain
proceedings,  seizure or forfeiture, pursuant to any law, general or special, or
by reason of the temporary requisition of the use or occupancy of the Collateral
or any part thereof, by any Authority.
 
    "CONSOLIDATED CASH FLOW" means, with respect  to any Person for any  period,
the  Consolidated Net Income of such  Person and its Restricted Subsidiaries for
such period, plus (a)  an amount equal  to any extraordinary  loss plus any  net
loss  realized in connection with an Asset  Sale, to the extent that such losses
were deducted in computing Consolidated Net Income, plus (b) provision for taxes
based on income or profits  of such Person for such  period, to the extent  such
provision  for taxes was deducted in computing Consolidated Net Income, plus (c)
Consolidated Interest Expense of such Person for such period, to the extent such
amount was deducted in computing Consolidated Net Income, plus (d)  depreciation
and  amortization (including amortization of  goodwill and other intangibles and
amortization of deferred  compensation in respect  of non-cash compensation  but
excluding  amortization  of prepaid  cash  expenses that  were  paid in  a prior
period) of such  Person for  such period, to  the extent  such depreciation  and
amortization  were deducted in  computing Consolidated Net  Income, plus (e) all
other non-cash  items to  the extent  such items  were deducted  in  determining
Consolidated  Net Income, in each case, for such period without duplication on a
consolidated basis and determined in accordance with GAAP.
 
    "CONSOLIDATED INTEREST EXPENSE" means,  with respect to  any Person for  any
period,  the aggregate  consolidated interest, whether  expensed or capitalized,
paid, accrued  or scheduled  to  be paid  or accrued,  of  such Person  and  its
Restricted  Subsidiaries  for such  period (including  (i) amortization  of debt
discount  and  deferred  financing  costs  and  noncash  interest  payments  and
accruals,  (ii)  the  interest  portion  of  all  deferred  payment obligations,
calculated in  accordance  with the  effective  interest method  and  (iii)  the
interest component of any payments associated with Capital Lease Obligations and
net  payments (if  any) pursuant  to Hedging Obligations,  in each  case, to the
extent attributable to such period, but excluding (x) commissions, discounts and
other fees and charges incurred with  respect to letters of credit and  bankers'
acceptances  financing and (y)  any interest expense  on Indebtedness of another
Person that is Guaranteed by such Person or secured by a Lien on assets of  such
Person) determined in accordance with GAAP. Consolidated Interest Expense of PRI
shall  not include  any prepayment  premiums or write  down of  debt discount or
deferred financing costs, to the extent such amounts are incurred as a result of
the prepayment on the date of this Indenture of any Indebtedness of PRI with the
proceeds of the Notes.
 
    "CONSOLIDATED NET INCOME" means, with  respect to any Person (the  "referent
Person")  for any period, the aggregate of the Net Income of such Person and its
Restricted Subsidiaries for such period, on a
 
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consolidated basis, determined in accordance  with GAAP; PROVIDED, that (i)  the
Net  Income  of  any Person  that  is not  a  Restricted Subsidiary  or  that is
accounted for by the equity method of  accounting shall be included only to  the
extent  of the amount of dividends or  distributions paid to the referent Person
or a Restricted Subsidiary thereof, (ii) the Net Income of any Person that is  a
Restricted Subsidiary (other than a Wholly Owned Restricted Subsidiary) shall be
included  only to the extent of the amount of dividends or distributions paid to
the referent Person or a Restricted Subsidiary thereof, (iii) the Net Income  of
any  Person acquired in a pooling of  interests transaction for any period prior
to the date of such acquisition shall be excluded and (iv) the cumulative effect
of a  change in  accounting principles  shall  be excluded.  The amount  of  any
dividends  paid in property  or assets other  than cash shall  be valued at fair
market value on the date  of such dividend (as determined  in good faith by  the
Board  of Directors of  such Person). Consolidated  Net Income of  PRI shall not
include any prepayment premiums or write-down  or write-off of debt discount  or
deferred  financing costs to the extent such amounts are incurred as a result of
the prepayment on the Issue Date of any Indebtedness of PRI with the proceeds of
the Notes.
 
    "CONSOLIDATED NET WORTH" means, with respect  to any Person as of any  date,
the sum of (i) the consolidated equity of the common stockholders of such Person
and  its  consolidated Restricted  Subsidiaries as  of such  date plus  (ii) the
respective amounts reported on such Person's balance sheet as of such date  with
respect to any series of preferred stock (other than Disqualified Stock) that by
its  terms is not entitled to the payment of dividends unless such dividends may
be declared and paid  only out of net  earnings in respect of  the year of  such
declaration  and payment, but  only to the  extent of any  cash received by such
Person upon issuance of such preferred stock, less (x) all write-ups (other than
write-ups resulting from foreign currency translations and write-ups of tangible
assets of a going concern business  made within 12 months after the  acquisition
of  such business) subsequent to the date of  the Indenture in the book value of
any asset owned by such Person  or a consolidated Restricted Subsidiary of  such
Person,  (y) all investments as of  such date in unconsolidated Subsidiaries and
in Persons that are not Restricted Subsidiaries (except, in each case, Permitted
Investments), and (z) all unamortized debt discount and expense and  unamortized
deferred  charges as of such date, all of the foregoing determined in accordance
with GAAP.
 
    "CONTINUING DIRECTORS" means, as of any date of determination, any member of
the Board of Directors  of PRI or  Group (as long as  Group beneficially owns  a
majority  of any  class of Voting  Stock of PRI),  as applicable, who  (i) was a
member of such  Board of  Directors on  the date of  the Indenture  or (ii)  was
nominated  for  election  or  elected  to  such  Board  of  Directors  with  the
affirmative vote of a majority of  the Continuing Directors who were members  of
such Board at the time of such nomination or election.
 
    "CURRENCY  AGREEMENT"  means any  foreign  exchange contract,  currency swap
agreement or other similar agreement or  arrangement designed to protect PRI  or
any  of its Subsidiaries against fluctuation in  the values of the currencies of
the countries (other than  the United States) in  which PRI or its  Subsidiaries
conduct  business and which is required under any bank agreement to which PRI is
or hereafter becomes a party.
 
    "DEFAULT" means any event that is or with the passage of time or the  giving
of notice or both would be an Event of Default.
 
    "DISQUALIFIED  STOCK" means any Capital Stock which, by its terms (or by the
terms of  any  security  into  which  it is  convertible  or  for  which  it  is
exchangeable),  or upon  the happening of  any event, matures  or is mandatorily
redeemable, pursuant to a sinking fund obligation or otherwise, or redeemable at
the option of the  Holder thereof, in whole  or in part, on  or prior to May  1,
2003.
 
    "EQUITY  INTERESTS" means Capital  Stock and all  warrants, options or other
rights to  acquire  Capital Stock  (but  excluding  any debt  security  that  is
convertible into, or exchangeable for, Capital Stock).
 
    "EXISTING  INDEBTEDNESS" means, with respect  to any Person, Indebtedness of
such Person and  its Subsidiaries  in existence on  the date  of the  Indenture,
until such amounts are repaid.
 
    "FIXED  CHARGE  COVERAGE RATIO"  means with  respect to  any Person  for any
period, the ratio of the Consolidated Cash  Flow of such Person for such  period
to  the Fixed  Charges of such  Person for such  period. In the  event that such
Person or  any  of  its Restricted  Subsidiaries  incurs,  assumes,  guarantees,
redeems,  repurchases or  repays any  Indebtedness (other  than revolving credit
borrowings) or if such Person issues,
 
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redeems or  repurchases any  preferred stock,  in each  case subsequent  to  the
commencement  of the period for  which the Fixed Charge  Coverage Ratio is being
calculated but prior to the date of  the event for which the calculation of  the
Fixed  Charge  Ratio is  made (the  "Transaction Date"),  then the  Fixed Charge
Coverage Ratio shall be calculated giving  pro forma effect to such  incurrence,
assumption,  guarantee, redemption, repurchase or  repayment of Indebtedness, or
such issuance, redemption or repurchase of  preferred stock, as if the same  had
occurred  at the beginning of the applicable  period. For purposes of making the
computation  referred  to  above,   acquisitions  (including  all  mergers   and
consolidations),  dispositions and  discontinuance of operations  that have been
made by such Person  or any of its  Restricted Subsidiaries during the  relevant
period  or subsequent  to such period  and on  or prior to  the Transaction Date
shall be calculated on  a pro forma basis  assuming that all such  acquisitions,
dispositions  and discontinuance of operations had  occurred on the first day of
such period; provided, however, that Fixed  Charges shall be reduced by  amounts
attributable  to operations that are so disposed  of or discontinued only to the
extent that the obligations giving rise to such Fixed Charges would no longer be
obligations contributing  to  such  Person's Fixed  Charges  subsequent  to  the
Transaction  Date. If any Indebtedness bears a  floating rate of interest and is
being given  pro  forma effect,  the  interest  on such  Indebtedness  shall  be
calculated  as if the rate  in effect on the date  of determination had been the
applicable rate for the entire period.
 
    "FIXED CHARGES" means, with respect to  any Person for any period, the  sum,
without  duplication,  of (a)  Consolidated  Interest Expense,  (b) commissions,
discounts and other fees and charges incurred with respect to letters of  credit
and  bankers' acceptances financing, (c) any interest expense on Indebtedness of
another Person that is Guaranteed by such Person or secured by a Lien on  assets
of  such Person  and (d) the  product of (i)  all cash dividend  payments on any
series of preferred stock of such  Person, times (ii) a fraction, the  numerator
of  which is  one and  the denominator of  which is  one minus  the then current
combined federal, state and local statutory  tax rate of such Person,  expressed
as  a  decimal,  determined,  in  each case,  on  a  consolidated  basis  and in
accordance with GAAP.
 
    "GAAP" means  generally  accepted accounting  principles  set forth  in  the
opinions  and pronouncements of the Accounting  Principles Board of the American
Institute of Certified Public Accountants  and statements and pronouncements  of
the  Financial Accounting  Standards Board or  in such other  statements by such
other entity as have  been approved by a  significant segment of the  accounting
profession,  in each case, as in effect in  the United States on the date of the
Indenture.
 
    "GUARANTEE" means  a  guarantee (other  than  by endorsement  of  negotiable
instruments  for  collection  in  the ordinary  course  of  business)  direct or
indirect, in any manner  (including, without limitation,  letters of credit  and
reimbursement  agreements  in  respect  thereof),  of all  or  any  part  of any
Indebtedness.
 
    "GUARANTOR" means any Restricted Subsidiary of PRI that executes a Guarantee
in  accordance  with  the  provisions  of  the  Indenture,  and  its  respective
successors and assigns.
 
    "HEDGING  OBLIGATIONS" means, with respect to any Person, the obligations of
such  Person  under  (i)  interest  rate  swap  agreements,  interest  rate  cap
agreements  and interest  rate collar  agreements and  (ii) other  agreements or
arrangements designed to  protect such Person  against fluctuations in  interest
rates  in each case  that are required  under any bank  agreements to which such
Person is or hereafter becomes a party.
 
    "INDEBTEDNESS" means, with respect to  any Person, any indebtedness of  such
Person,  whether or not contingent, in respect of borrowed money or evidenced by
bonds, notes,  debentures  or  similar  instruments or  letters  of  credit  (or
reimbursement  agreements  in  respect thereof)  or  representing  Capital Lease
Obligations or the  balance deferred  and unpaid of  the purchase  price of  any
property  or representing any Hedging Obligations,  except any such balance that
constitutes an accrued expense or trade payable, if and to the extent any of the
foregoing indebtedness (other  than letters of  credit and Hedging  Obligations)
would  appear as  a liability upon  a balance  sheet of such  Person prepared in
accordance with GAAP, as well as all indebtedness of others secured by a Lien on
any asset of such Person  (whether or not such  indebtedness is assumed by  such
Person)  and,  to  the  extent  not otherwise  included,  the  Guarantee  of any
Indebtedness of such Person or any other Person.
 
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<PAGE>
    "INTERCREDITOR AGREEMENT"  means  an  Intercreditor  and  Collateral  Agency
Agreement  in the form attached to the Indenture among the Collateral Agent, the
lender or lenders parties to an Acquisition Financing Facility and the  Trustee,
and consented to by PRI.
 
    "INTEREST  RATE AGREEMENT" means,  with respect to  any Person, any interest
rate protection agreement, interest rate future, interest rate option,  interest
rate  swap, interest  rate cap  or other interest  rate hedge  arrangement to or
which such Person or any Restricted Subsidiary is or hereafter becomes a part or
a beneficiary  and which  is required  under any  bank agreement  to which  such
Person is or hereafter becomes a party.
 
    "INVESTMENTS"  means, with  respect to any  Person, all  investments by such
Person in other Persons (including Affiliates) in the forms of loans  (including
Guarantees),  advances or capital contributions, purchases or other acquisitions
for consideration of Indebtedness, Equity Interests or other securities and  all
other  items that are or  would be classified as  investments on a balance sheet
prepared in accordance with GAAP. For  purposes of the covenant described  above
under  "--  Certain Covenants  -- Restricted  Payments,"  (i) "Investment"  in a
Subsidiary shall  include the  portion (proportionate  to such  Person's  Equity
Interest  in such Subsidiary)  of the fair  market value (as  determined in good
faith by the Board of Directors of  such Person) of such Subsidiary at the  time
that  such Subsidiary  is designated  an Unrestricted  Subsidiary; provided that
upon a redesignation of such Subsidiary as a Restricted Subsidiary, such  Person
shall  be deemed to continue to have a permanent "Investment" in an Unrestricted
Subsidiary in an amount (if positive) equal to (x) such Person's "Investment" in
such Subsidiary  at  the  time  of  such  redesignation  less  (y)  the  portion
(proportionate  to such Person's Equity Interest in such Subsidiary) of the fair
market value (as determined in good faith by the Board of Directors) of the  net
assets  of  such Subsidiary  at the  time  of such  redesignation; and  (ii) any
property transferred to or  from an Unrestricted Subsidiary  shall be valued  at
its  fair market value at the time of  such transfer, in each case as determined
in good faith by the Board of Directors of such Person.
 
    "ISSUE DATE"  means the  date  the Notes  are  originally issued  under  the
Indenture.
 
    "LAKE  FOREST  FACILITY"  means  the  Company's  facility  in  Lake  Forest,
Illinois.
 
    "LIEN" means, with respect to any asset, any mortgage, lien, pledge, charge,
security interest or encumbrance of any  kind in respect of such asset,  whether
or  not filed, recorded  or otherwise perfected  under applicable law (including
any conditional sale or other title retention agreement, any lease in the nature
thereof, any option or other  agreement to sell or  give a security interest  in
and any filing of or agreement to give any financing statement under the Uniform
Commercial Code (or equivalent statutes) of any jurisdiction).
 
    "LOUISIANA FACILITY" means the Company's facility in Louisiana, Missouri.
 
    "MANAGEMENT  SERVICES AGREEMENT" means the  Management Agreement dated as of
May 17,  1996 between  PRI and  HPH  with respect  to the  provision by  HPH  of
services  to PRI and the payment by PRI to HPH of fees, and the reimbursement of
expenses, in connection therewith as in effect on the date of the Indenture.
 
    "MINER PURCHASE  AGREEMENT" means  the Asset  and Stock  Purchase  Agreement
dated  December  15, 1993  among  PRI, Miner  Container  Printing, Inc.  and the
stockholders signatory thereto.
 
    "NET INCOME" means,  with respect to  any Person, the  net income (loss)  of
such  Person, determined  in accordance  with GAAP  and before  any reduction in
respect of preferred stock dividends, excluding, however, (a) any gain (but  not
loss),  together with  any related  provision for  taxes on  such gain  (but not
loss), realized  in  connection with  (i)  any Asset  Sale  (including,  without
limitation,  dispositions pursuant to sale  and leaseback transactions), or (ii)
the disposition of any securities or  the extinguishment of any Indebtedness  of
such  Person or  any of its  Restricted Subsidiaries, and  (b) any extraordinary
gain (but  not loss),  together with  any related  provision for  taxes on  such
extraordinary gain (but not loss).
 
    "NET  PROCEEDS" means  the aggregate  proceeds in  cash or  Cash Equivalents
received by PRI  or any of  its Restricted  Subsidiaries in respect  of (i)  any
Asset   Sale,   net  of   the  direct   costs  relating   to  such   Asset  Sale
 
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(including, without limitation, legal,  accounting and investment banking  fees,
and sales commissions) and any relocation expenses incurred as a result thereof,
taxes  paid  or payable  as  a result  thereof  (after taking  into  account any
available tax credits or deductions  and any tax sharing arrangements),  amounts
required to be applied to the repayment of Indebtedness secured by a Lien on the
asset  or assets the subject  of such Asset Sale and  the after-tax amount of an
appropriate reserve for adjustment in respect of the sale price of such asset or
assets  or  for  any  indemnification  obligation  by  PRI  or  such  Restricted
Subsidiary  to the purchaser in respect of such  Asset Sale, in each case to the
extent, and  only  to the  extent,  permitted to  be  reflected as  a  liability
(contingent or otherwise) or asset valuation allowance on a balance sheet of PRI
or  such Restricted  Subsidiary in accordance  with GAAP or  (ii) any Collateral
Loss Event, including, without limitation,  proceeds received under policies  of
insurance  (other than  policies providing business  interruption insurance) and
any  awards,  proceeds,  payments  or  other  compensation  with  respect  to  a
Condemnation constituting a Collateral Loss Event.
 
    "OBLIGATIONS"    means   any   principal,   premium,   interest   (including
post-petition  interest),  penalties,  fees,  indemnifications,  reimbursements,
damages  and  other liabilities  payable under  the documentation  governing any
Indebtedness.
 
    "PERMITTED AMOUNT" means,  (i) if the  Fixed Charge Coverage  Ratio for  the
most recently ended four full fiscal quarters for which financial statements are
available  is greater than 1.4 to 1, $600,000, (ii) if the Fixed Charge Coverage
Ratio for such four  quarter period is greater  than 1.2 to 1  but less than  or
equal to 1.4 to 1, $450,000 and (iii) if the Fixed Charge Coverage Ratio is less
than or equal to 1.2 to 1, $300,000.
 
    "PERMITTED  HOLDER"  means (A)  Howard Hoeper,  his  spouse, members  of his
immediate family and/or any of the lineal descendants of any such person  and/or
(B)  any  trust  or similar  entity  all of  the  beneficiaries of  which,  or a
corporation or  partnership  all of  the  stockholders or  limited  and  general
partners  of which, are (x) any of the persons described in the foregoing clause
(A) or (y) any entity described in this clause (B).
 
    "PERMITTED  INVESTMENTS"  means,  with  respect  to  any  Person,  (a)   any
Investments in such Person or in a Restricted Subsidiary of such Person; (b) any
Investments  in  Cash  Equivalents;  (c)  Investments  by  such  Person  or  any
Restricted Subsidiary of such Person in a  person (the "Other Entity"), if as  a
result  of such Investment (i) such Other Entity becomes a Restricted Subsidiary
of such Person or (ii) such Other Entity is merged, consolidated or  amalgamated
with  or into, or transfers or conveys substantially all of its assets to, or is
liquidated into, such  Person or  a Restricted  Subsidiary of  such Person;  (d)
Investments  in any Other Entity engaged primarily in businesses permitted to be
engaged in by such Person or any of its Restricted Subsidiaries pursuant to  the
"Line of Business" covenant in an aggregate amount not to exceed $1.0 million at
any  time  outstanding;  (e)  Investments  in  Unrestricted  Subsidiaries  in an
aggregate amount  not  to exceed  $1.0  million  at any  time  outstanding;  (f)
receivables  owing  to such  Person  or any  of  its Restricted  Subsidiaries if
created or acquired in the ordinary  course of business; (g) stock,  obligations
or  securities received in settlement of debts created in the ordinary course of
business and owing to such Person or any of its Subsidiaries or in  satisfaction
of  judgments; (h)  loans and  advances to  employees of  PRI or  any Restricted
Subsidiary of  PRI for  travel,  entertainment and  relocation expenses  in  the
ordinary  course of business in an aggregate  amount outstanding at any time not
to exceed  $500,000; and  (i)  Investments received  by  PRI or  any  Restricted
Subsidiary  of  PRI as  consideration for  asset  sales, including  Asset Sales;
PROVIDED, HOWEVER,  in the  case  of an  Asset Sale,  that  such Asset  Sale  is
effected  in compliance with the covenant  described under "-- Repurchase at the
Option of Holders -- Asset Sales; Collateral Loss Events."
 
    "PERMITTED LEASES"  means  the  lease  of the  Louisiana  Facility  and  the
subleases of the Cedar Grove Facility and the Lake Forest Facility.
 
    "PERMITTED  LIENS" means, with respect to any  Person, (a) Liens in favor of
such Person; (b) in the case of PRI, Liens on accounts receivable or inventories
(or proceeds thereof)  of PRI  to secure Indebtedness  of PRI  under the  Senior
Credit  Facility; (c) Liens  on property of another  Person (the "Other Entity")
existing at the time such Other Entity is merged into or consolidated with  such
Person  or any  Restricted Subsidiary of  such Person, PROVIDED  that such Liens
were not incurred in  the contemplation of such  merger or consolidation and  do
not  extend to any  assets other than those  of the Other  Entity merged into or
consolidated with such  Person; (d) Liens  on property existing  at the time  of
acquisition thereof by such Person or any Restricted
 
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Subsidiary  of  such  Person; PROVIDED  that  such  Liens were  not  incurred in
contemplation of  such  acquisition; (e)  Liens  to secure  the  performance  of
statutory  obligations,  surety  or  appeal bonds,  performance  bonds  or other
obligations of a like  nature incurred in the  ordinary course of business;  (f)
Liens existing on the date of the Indenture; (g) Liens for taxes, assessments or
governmental  charges or claims  that are not  yet delinquent or  that are being
contested in  good  faith by  appropriate  proceedings promptly  instituted  and
diligently  concluded, PROVIDED that any  reserve or other appropriate provision
as shall be required in conformity with GAAP shall have been made therefor;  (h)
Liens   imposed  by   law,  such   as  mechanics',   carriers',  warehousemen's,
materialmen's, and vendors' Liens, incurred in good faith in the ordinary course
of business with  respect to amounts  not yet delinquent  or being contested  in
good  faith  by  appropriate  proceedings PROVIDED  that  any  reserve  or other
provisions  required  by  GAAP  shall  have  been  made  therefor;  (i)   zoning
restrictions,  easements, licenses, covenants, reservations, restrictions on the
use of real property or minor  irregularities of title incident thereto that  do
not,  in the aggregate, materially detract from the value of the property or the
assets of such Person  or impair the  use of such property  in the operation  of
such  Person's business; (j) judgment Liens to the extent that such judgments do
not cause or constitute a  Default or an Event of  Default; (k) Liens to  secure
Indebtedness  incurred for  the purpose  of financing  of all  or a  part of the
purchase price of  property or assets  acquired or constructed  on or after  the
date  of  the  Indenture,  including Liens  securing  any  Acquisition Financing
Facility, PROVIDED  that (i)  such property  or assets  are used  in a  line  of
business  in which such Person  is permitted to engage  pursuant to the "Line of
Business" covenant,  (ii)  at the  time  of incurrence  of  any such  Lien,  the
aggregate  principal amount  of the obligations  secured by such  Lien shall not
exceed the lesser of the cost or fair market value of the assets or property (or
portions thereof)  so  acquired  or  constructed, (iii)  each  such  Lien  shall
encumber  only  the assets  or  property (or  portions  thereof) so  acquired or
constructed and shall attach to such property within 120 days of the purchase or
construction thereof and (iv) any Indebtedness  secured by such Lien shall  have
been permitted to be incurred under the "Incurrence of Indebtedness and Issuance
of  Preferred Stock" covenant; (l) ground leases in respect of the real property
on which facilities owned or  leased by such Person  or any of its  Subsidiaries
are  located; (m) Liens arising from UCC financing statements regarding property
leased by such Person or any of  its Subsidiaries, PROVIDED that such Liens  are
granted  solely in connection  with such leases  and not in  connection with the
borrowing of money or  the obtaining of advances  or credit; (n) Liens  incurred
and  pledges made in the ordinary course of business in connection with workers'
compensation, unemployment  insurance and  social security  benefits; (o)  Liens
securing  Purchase Money Obligations,  the proceeds of which  are used solely to
finance the acquisition or lease  by such Person or  any of its Subsidiaries  of
furniture,  fixtures  or  equipment used  in  the ordinary  course  of business,
PROVIDED that  such Purchase  Money  Obligations are  (i) non-recourse  to  such
Person and its Subsidiaries and (ii) permitted to be incurred under the covenant
entitled "Incurrence of Indebtedness and Issuance of Preferred Stock" above, (p)
Liens  securing Indebtedness  incurred to  refinance Indebtedness  that has been
secured by a Lien permitted under the Indenture, PROVIDED that (i) any such Lien
shall  not  extend  to  or  cover  any  assets  or  property  not  securing  the
Indebtedness so refinanced and (ii) the Refinancing Indebtedness secured by such
Lien  shall  not  have a  principal  amount  in excess  of  the  Indebtedness so
refinanced, and  (q) Liens  arising  in the  ordinary  course of  such  Person's
business  to the extent the fair market  value of property and assets secured by
such Liens  (as determined  in good  faith by  the Board  of Directors  of  such
Person) shall not exceed $2.0 million.
 
    "PUBLIC  EQUITY OFFERING" means a bona  fide underwritten sale to the public
of Common Stock of PRI or of Group  (to the extent the net proceeds thereof  are
contributed to PRI as common equity) pursuant to a registration statement (other
than  on Form S-8  or any other  form relating to  securities issuable under any
benefit plan of PRI or Group, as the case may be) that is declared effective  by
the Commission.
 
    "PURCHASE  MONEY OBLIGATIONS"  of any Person  means any  obligations of such
Person or any of its Subsidiaries to any seller or any other person incurred  or
assumed  in connection with the purchase of real or personal property to be used
in the business of  such Person or  any of its Subsidiaries  within 180 days  of
such incurrence or assumption.
 
    "REGISTRATION  RIGHTS AGREEMENTS" means collectively the Equity Registration
Rights Agreement dated as of  June 30, 1993, among  Group, the TCW Entities  and
Apollo, and the Debt Registration Rights Agreement
 
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<PAGE>
dated  as of June 30, 1993, as amended as  of May 17, 1996, among Group, the TCW
Entities, Lion Advisors, L.P. and AIF II, L.P., in each case as in effect on the
Issue Date or as thereafter amended in  a manner that is not materially  adverse
to PRI or the Holders of the Notes.
 
    "REPLACEMENT  COLLATERAL" means, at any relevant  date in connection with an
Asset Sale involving Collateral or a Collateral Loss Event, assets used in PRI's
business other  than  the Collateral  which  (i) constitute  long-term  tangible
assets (and do not constitute Capital Stock of any Person), (ii) are acquired by
PRI  at a  purchase price which  does not exceed  the fair market  value of such
Replacement Collateral (as determined, in good faith by the Board of Directors),
and (iii) are free and clear of all Liens, except as expressly permitted by  the
Security Documents.
 
    "RESTORATION"  or  "RESTORE"  means  the  physical  repair,  restoration  or
rebuilding of all  or any portion  of the Collateral  following any Casualty  or
Condemnation.
 
    "RESTRICTED   INVESTMENT"  means  an  Investment   other  than  a  Permitted
Investment.
 
    "RESTRICTED SUBSIDIARY" of a Person means any Subsidiary of such Person that
is not an Unrestricted Subsidiary.
 
    "SECURITY  DOCUMENTS"   means,   collectively,  all   security   agreements,
mortgages,   deeds  of  trust,  collateral   assignments  or  other  instruments
evidencing or creating any security interests in favor of the Trustee in all  or
any portion of the Collateral, in each case as amended, supplemented or modified
from time to time in accordance with their terms and the terms of the Indenture.
 
    "SENIOR  CREDIT FACILITY" means that certain  Agreement, dated as of May 17,
1996, by and  among PRI,  LaSalle National  Bank, as  lender and  administrative
agent,  and  BT  Commercial  Corporation,  as  lender,  initially  providing for
revolving credit loans in a principal amount of up to $20.0 million and a letter
of credit  facility in  an aggregate  amount  of up  to the  lesser of  (i)  the
remaining  availability under the Senior Credit  Facility and (ii) $2.0 million,
including any related notes,  guarantees, collateral documents, instruments  and
agreements  executed  in  connection  therewith,  in  each  case  as  it  may be
thereafter amended, modified or extended from time to time.
 
    "SENIOR DEBT" means, any Indebtedness incurred by PRI, unless the instrument
under which  such  Indebtedness  is  incurred  expressly  provides  that  it  is
subordinated  in right of payment  to the Notes; PROVIDED  that Senior Debt will
not include (a) any liability for federal,  state, local or other taxes owed  or
owing,  (b) any  Indebtedness owing  to any Subsidiaries  of PRI,  (c) any trade
payables or (d) any Indebtedness that is incurred in violation of the Indenture.
 
    "SIGNIFICANT SUBSIDIARY" means, with respect  to any Person, any  Subsidiary
of such Person that would be a "significant subsidiary" as defined in Article 1,
Rule 1-02 of Regulation S-X, promulgated pursuant to the Securities Act, as such
Regulation is in effect on the date hereof.
 
    "STOCK  AND WARRANT HOLDERS  AGREEMENT" means the  Stock and Warrant Holders
Agreement dated as of  June 30, 1993,  among Group, Howard  P. Hoeper, HPH,  UBS
Capital,  and Apollo, as in effect on the  Issue Date or thereafter amended in a
manner that is not materially adverse to PRI or the Holders of the Notes.
 
    "SUBSIDIARY" means, with respect to any Person, any corporation, association
or other business entity  of which more  than 50% of the  total voting power  of
shares  of  Capital Stock  entitled  (without regard  to  the occurrence  of any
contingency) to vote in the election of directors, managers or trustees  thereof
is  at the time owned  or controlled, directly or  indirectly, by such Person or
one or more of the other Subsidiaries of that Person or a combination thereof.
 
    "SUBSIDIARY GUARANTOR" means any Restricted Subsidiary of PRI that  executes
a  Guarantee  in  accordance  with  the provisions  of  the  Indenture,  and its
respective successors and assigns.
 
    "TAX SHARING AGREEMENT" means the tax sharing agreement between PRI and  HPH
or  any other person with which  PRI is required to, or  is permitted to, file a
consolidated tax return or with which PRI  is or could be part of an  affiliated
group  for  tax  purposes as  in  effect on  the  date  of the  Indenture  or as
thereafter amended in  a manner that  is not  materially adverse to  PRI or  the
Holders of the Notes.
 
                                       84
<PAGE>
    "UNRESTRICTED  SUBSIDIARY" means, with respect to any Person, any Subsidiary
of such  Person designated  by  the Board  of Directors  of  such Person  as  an
Unrestricted Subsidiary pursuant to a Board Resolution set forth in an Officers'
Certificate  and  delivered  to  the  Trustee  (i)  that,  (A)  at  the  time of
designation, has total assets not exceeding $1,000 or (B) if such Subsidiary has
total assets exceeding $1,000, then such  designation would be permitted by  the
covenant  entitled "Restricted Payments", (ii) no portion of the Indebtedness or
any other  obligations  (contingent or  otherwise)  of such  Subsidiary  (A)  is
guaranteed   by  such  Person  or  any  other  Subsidiary  (other  than  another
Unrestricted Subsidiary) of such  Person, (B) is recourse  to or obligates  such
Person  or any other Subsidiary (other  than another Unrestricted Subsidiary) of
such Person in any way or (C) subjects  any property or asset of such Person  or
any  other  Subsidiary  (other  than another  Unrestricted  Subsidiary)  of such
Person, directly or indirectly, contingently  or otherwise, to the  satisfaction
thereof,  (iii) with which neither such Person  nor any other Subsidiary of such
Person (other than another Unrestricted Subsidiary) has any contract, agreement,
arrangement or  understanding other  than on  terms no  less favorable  to  such
Person  or such other Subsidiary  than those that might  be obtained at the time
from persons who are not Affiliates of  such Person and (iv) with which  neither
such  Person  nor  any  other  Subsidiary of  such  Person  (other  than another
Unrestricted Subsidiary)  has any  obligation (A)  to subscribe  for  additional
shares  of Capital Stock or other Equity Interests therein or (B) to maintain or
preserve such Subsidiary's financial  condition or to  cause such Subsidiary  to
achieve  certain levels of operating results. Subject to the preceding sentence,
the Board of Directors of such Person may designate any Restricted Subsidiary to
be an Unrestricted Subsidiary; PROVIDED that such designation shall be deemed to
be the  making of  an Investment  by such  Person in  such Subsidiary  and  such
designation  shall only be permitted if, in  addition to the requirements of the
preceding sentence, (i) such Investment is permitted under the covenant entitled
"Restricted Payments"  and (ii)  no Default  or  Event of  Default would  be  in
existence  following such designation. The Board of Directors of such Person may
designate any Unrestricted  Subsidiary to be  a Restricted Subsidiary;  PROVIDED
that  such designation shall be deemed to  be an incurrence of Indebtedness by a
Restricted Subsidiary of  such Person  of any outstanding  Indebtedness of  such
Unrestricted Subsidiary and such designation shall only be permitted if (i) such
Indebtedness   is  permitted   under  the   covenant  entitled   "Incurrence  of
Indebtedness and Issuance of  Preferred Stock" and (ii)  no Default or Event  of
Default would be in existence following such designation.
 
    "WEIGHTED  AVERAGE LIFE TO MATURITY" means, when applied to any Indebtedness
at any  date, the  number of  years  obtained by  dividing (a)  the sum  of  the
products  obtained  by  multiplying  (x)  the  amount  of  each  then  remaining
installment, sinking  fund,  serial  maturity  or  other  required  payments  of
principal,  including payment at final maturity,  in respect thereof, by (y) the
number of years (calculated to the nearest one-twelfth) that will elapse between
such date and the making of such payment, by (b) the then outstanding  principal
amount of such Indebtedness.
 
    "WHOLLY  OWNED  RESTRICTED  SUBSIDIARY"  of any  Person  means  a Restricted
Subsidiary of  such  Person  all  of the  outstanding  Capital  Stock  or  other
ownership  interests of which (other than directors' qualifying shares) shall at
the time be  owned by  such Person  or by one  or more  Wholly Owned  Restricted
Subsidiaries  of such  Person or  by such  Person and  one or  more Wholly Owned
Restricted Subsidiaries of such Person.
 
    "WHOLLY OWNED SUBSIDIARY" of  any Person means a  Subsidiary of such  Person
all  of  the outstanding  Capital Stock  or other  ownership interests  of which
(other than directors'  qualifying shares) shall  at the time  be owned by  such
Person  or by one  or more Wholly Owned  Subsidiaries of such  Person or by such
Person and one or more Wholly Owned Subsidiaries of such Person.
 
             CERTAIN UNITED STATES FEDERAL INCOME TAX CONSEQUENCES
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES TO HOLDERS OF EXCHANGE NOTES
 
    The  following  summary  is  based  on  current  law  and  certain  proposed
regulations  and  is  for  general  information  only.  Forthcoming legislative,
regulatory, judicial or administrative  changes or interpretations could  affect
the  federal  income tax  consequences  to holders  of  Exchange Notes.  The tax
treatment of  a  holder  may  vary  depending  upon  whether  the  holder  is  a
cash-method or accrual-method taxpayer and upon
 
                                       85
<PAGE>
the   holder's  particular  status.  For  example,  certain  holders,  including
insurance   companies,   tax-exempt   organizations,   financial   institutions,
broker-dealers and foreign persons may be subject to special rules not discussed
below.
 
    EXCHANGE OFFER
 
    The  exchange of Exchange Notes for Old Notes pursuant to the Exchange Offer
will not be treated as an "exchange" for federal income tax purposes because the
Exchange Notes will  not be considered  to differ materially  in kind or  extent
from  the Old  Notes. Rather, the  Exchange Notes  received by a  holder will be
treated as a continuation  of the Old Notes  in the hands of  such holder. As  a
result,  there will be no federal  income tax consequences to holders exchanging
the Old Notes for the Exchange Notes pursuant to the Exchange Offer. The  holder
must  continue to  include stated  interest in  income as  if the  exchange (and
waiver of accrued interest  on the Old Notes  from May 17, 1996  to the date  of
issuance  of the Exchange Notes) had not  occurred. If, however, the exchange of
the Old Notes for the Exchange Notes  were treated as an "exchange" for  federal
income  tax  purposes, such  exchange  would constitute  a  recapitalization for
federal income tax purposes. Holders exchanging  the Old Notes pursuant to  such
recapitalization would not recognize any gain or loss upon the exchange.
 
    SALE OR OTHER DISPOSITION OF EXCHANGE NOTES
 
    A  holder of  an Exchange Note  will have a  tax basis in  the Exchange Note
equal to the holder's purchase price for  the Old Note, increased by the  amount
of  interest (and market discount) that is included in the holder's gross income
and decreased by payments of cash interest received by the holder.
 
    A holder of an Exchange  Note will generally recognize  gain or loss on  the
sale,  exchange,  redemption or  retirement of  the Exchange  Note equal  to the
difference (if  any)  between the  amount  realized from  such  sale,  exchange,
redemption  or retirement and the holder's basis in the Exchange Note. Such gain
or loss  will  generally  be  long-term  capital  gain  (except  to  the  extent
attributable to market discount) or loss if the Exchange Note has been held more
than  one year (including the period that such holder held the Old Note prior to
exchange).
 
    BACKUP WITHHOLDING
 
    A noncorporate holder of Exchange Notes that either (a) is (i) a citizen  or
resident  of the United  States, (ii) a  partnership or other  entity created or
organized in  or  under the  laws  of the  United  States or  of  any  political
subdivision  thereof or (iii) an estate or  trust the income of which is subject
to United States federal income taxation regardless of its source or (b) is  not
described  in  the preceding  clause (a),  but whose  income from  interest with
respect to the Exchange Notes or  proceeds from the disposition of the  Exchange
Notes  is effectively  connected with such  holder's conduct of  a United States
trade or business, and that receives interest with respect to the Exchange Notes
or proceeds from  the disposition of  the Exchange Notes  will generally not  be
subject to backup withholding on such payments or distributions if it certifies,
under   penalty  of   perjury,  that  it   has  furnished   a  correct  Taxpayer
Identification Number ("TIN") and it is not subject to backup withholding either
because it has not been notified by the Internal Revenue Service that is subject
to backup withholding or  because the Internal Revenue  Service has notified  it
that  it is no longer  subject to backup withholding.  Such certification may be
made on an  Internal Revenue  Service Form  W-9 or  substantially similar  form.
However,  backup withholding will apply to such a holder if the holder (i) fails
to furnish its TIN, (ii)  furnishes an incorrect TIN,  (iii) is notified by  the
Internal  Revenue  Service that  it has  failed to  properly report  payments of
interest or dividends or  (iv) under certain circumstances,  fails to make  such
certification.
 
    The  Company will withhold (at a rate of 31%) all amounts required by law to
be withheld  from reportable  payments made  and with  respect to  the  Exchange
Notes.  Any  amounts  withheld from  a  payment  to a  holder  under  the backup
withholding rules  will be  allowed as  a credit  against such  holder's  United
States  federal income tax  liability and may  entitle such holder  to a refund,
provided that  the required  information is  furnished to  the Internal  Revenue
Service.
 
                                       86
<PAGE>
    Holders  of the Exchange  Notes should consult  their tax advisors regarding
the application  of  backup  withholding in  their  particular  situations,  the
availability  of an exemption therefrom, and the procedure for obtaining such an
exemption, if available.
 
    THE FOREGOING DISCUSSION OF CERTAIN  FEDERAL INCOME TAX CONSEQUENCES IS  FOR
GENERAL  INFORMATION ONLY  AND IS  NOT TAX  ADVICE. ACCORDINGLY,  EACH HOLDER OF
EXCHANGE NOTES  SHOULD  CONSULT  ITS  OWN  TAX  ADVISOR  AS  TO  PARTICULAR  TAX
CONSEQUENCES  OF HOLDING, EXCHANGING OR SELLING THE EXCHANGE NOTES INCLUDING THE
APPLICATION AND EFFECT OF ANY FEDERAL, STATE, LOCAL OR FOREIGN TAX LAWS, AND  OF
ANY CHANGES IN APPLICABLE TAX LAWS.
 
                         OLD NOTES REGISTRATION RIGHTS
 
    The  Company and the Initial Purchasers entered into the Registration Rights
Agreement dated as of May 17, 1996 pursuant to which the Company agreed, for the
benefit of holders  of the Old  Notes, that it  will, at its  expense (i) on  or
prior to the 45th day after the Issue Date, file the Registration Statement with
the  Commission  pursuant to  which  the Old  Notes  will be  exchanged  for the
Exchange Notes, which would have terms  identical to the Old Notes (except  that
the  Exchange Notes will not contain terms with respect to transfer restrictions
or any provision relating to  this paragraph) and (ii)  use its best efforts  to
cause  the Registration Statement to be  declared effective under the Securities
Act  by  the  120th  day  after  the  Issue  Date.  Upon  effectiveness  of  the
Registration  Statement, the Company will offer to  all holders of the Old Notes
an opportunity to exchange their  Old Notes for a  like principal amount of  the
Exchange  Notes. The Company agreed to keep the Exchange Offer open for not less
than 20 business days (or longer if  required by applicable law) after the  date
of  the commencement of the Exchange Offer,  and will comply with Regulation 14E
and Rule 13e-4  under the Exchange  Act (other than  the filing requirements  of
Rule  13e-4). For each Old Note surrendered to the Company for exchange pursuant
to the Exchange Offer, the holder of such Old Note will receive an Exchange Note
having a principal amount at maturity equal to that of the surrendered Old Note.
The Exchange Notes will bear  interest from May 17,  1996. Holders of Old  Notes
whose  Old Notes  are accepted for  exchange will  be deemed to  have waived the
right to receive any  payment in respect  of interest on  the Old Notes  accrued
from May 17, 1996 to the date of the issuance of the Exchange Notes. Interest on
the Exchange Notes is payable semiannually in arrears on May 1 and November 1 of
each  year, commencing November 1, 1996, accruing from May 17, 1996 at a rate of
11 5/8% per annum. See "The Exchange Offer."
 
    If (i) because of any change in law of in writing prevailing interpretations
of the Staff, the Company is not permitted to effect on Exchange Offer, (ii) the
Exchange Offer is not  consummated witin 165  days of the  Issue Date, (iii)  in
certain  circumstances,  certain  holders  of  unregistered  Exchange  Notes  so
request, (iv) the  holders of not  less than a  majority in aggregate  principal
amount  of the Notes reasonably  determine that the interests  of the holders of
Notes would be  materially adversely  effected by consummation  of the  Exchange
Offer  or (v) in  the case of any  holder of Old Notes  that participates in the
Exchange Offer, such holder of Old Notes does not receive Exchange Notes on  the
date  of  the exchange  that may  be  sold without  restriction under  state and
federal securities laws (other than due solely  to the status of such holder  of
Old  Notes  as an  Affiliate  of the  Company)  the Company  will,  within three
Business Days thereof, deliver written notice thereof to the Trustee and at  its
cost,  as promptly as practicable, file with the Commission a Shelf Registration
Statement to cover  resales of  the Old  Notes. The  Company will  use its  best
efforts  to cause such Shelf Registration  Statement to become effective and use
its best efforts to keep such Shelf Registration Statement current and effective
until the earlier of three  years after the Issue Date  and such time as all  of
the applicable Old Notes have been sold thereunder (the "Effective Period"). The
Company  will, in  the event  of the filing  of a  Shelf Registration Statement,
provide to each holder of the Old Notes copies of the prospectus which is a part
of such Shelf Registration  Statement, notify each such  holder when such  Shelf
Registration  Statement has become  effective and take  certain other actions as
are required to  permit unrestricted  resales of the  Old Notes.  A holder  that
sells its Old Notes pursuant to a Shelf Registration Statement generally will be
required  to be named as a selling security holder in the related prospectus and
to deliver a prospectus to
 
                                       87
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purchasers, will be subject to certain  of the civil liability provisions  under
the  Securities  Act in  connection with  such sales  and will  be bound  by the
provisions of the  Registration Rights  Agreement which are  applicable to  such
holder (including certain indemnification obligations).
 
    In the event that (i) the Registration Statement is not filed within 45 days
following  the Issue  Date or declared  effective within 120  days following the
Issue Date, (ii) the Exchange Offer is not consummated within 165 days following
the Issue Date, (iii) the Shelf Registration Statement is not filed or  declared
effective  within the required  time periods or  (iv) the Registration Statement
ceases to be effective at any time prior to the time that the Exchange Offer  is
consummated  or,  if  applicable,  the  Shelf  Registration  Statement  has been
declared  effective  and  ceases  to  be  effective  at  any  time  during   the
Effectiveness  Period (each  such event,  a "Registration  Default"), additional
interest will accrue on the Old Notes at a rate of 0.50% per annum in excess  of
the  stated interest  rate on the  Old Notes  for the first  90 days immediately
following such Registration  Default, and  such additional  interest rate  shall
increase  by an additional 0.50%  per annum at the  beginning of each subsequent
90-day period; provided however, that such  additional interest rate on the  Old
Notes  may not exceed  the aggregate of 1.0%  per annum in  excess of the stated
interest rate  of  the Old  Notes  and  provided further  that  such  additional
interest shall cease to accrue at such time, if any, as the Registration Default
is cured.
 
    The  summary  herein  of  certain  provisions  of  the  Registration  Rights
Agreement does not purport to be complete and is subject to, and is qualified in
its entirety by  reference to,  all the  provisions of  the Registration  Rights
Agreement,  a copy  of which has  been filed  as an exhibit  to the Registration
Statement of which this Prospectus is a part.
 
                        OLD NOTES TRANSFER RESTRICTIONS
 
    Because the  following restrictions  will apply  to any  Old Notes  held  by
holders  who do not participate in the  Exchange Offer, holders of Old Notes are
advised to consult legal  counsel prior to making  any offer, resale, pledge  or
transfer of any of the Old Notes.
 
    None  of the Old Notes has been registered under the Securities Act and they
may not be offered or sold within the United States or to, or for the account or
benefit of,  U.S.  persons  except  pursuant  to an  exemption  from,  or  in  a
transaction not subject to, the registration requirements of the Securities Act.
Accordingly,  the Old Notes were sold only (A) to a limited number of "qualified
institutional buyers" (as defined in Rule 144A) ("QIBs") in compliance with Rule
144A, (B) to a limited number of other institutional "accredited investors"  (as
defined   in  Rule  501(a)(1),  (2),  (3)  or  (7)  under  the  Securities  Act)
("Accredited Investors")  that,  prior  to  their purchase  of  any  Old  Notes,
delivered  to the Initial Purchasers a letter containing certain representations
and agreements and  (C) outside  the United States  to persons  other than  U.S.
persons  ("foreign  purchasers,"  which  term  shall  include  dealers  or other
professional fiduciaries in the  United States acting  on a discretionary  basis
for  foreign beneficial owners (other than an estate or trust)) in reliance upon
Regulation S under  the Securities  Act ("Regulation  S"). As  used herein,  the
terms  "United States" and  "U.S. person" have the  respective meanings given to
them in Regulation S.
 
    Each purchaser of Old Notes has  been deemed to have represented and  agreed
as follows:
 
    1. It purchased the Old Notes for its own account or an account with respect
       to which it exercises sole investment discretion and that it and any such
account  is either (A) a QIB, and is aware  that the sale to it is being made in
reliance on Rule  144A, (B) an  Accredited Investor or  (C) a foreign  purchaser
that  is outside the United  States (or a foreign purchaser  that is a dealer or
other fiduciary as referred to above).
 
    2. It acknowledged that  the Old Notes  have not been  registered under  the
       Securities  Act and that  they may not  be offered or  sold except as set
forth below.
 
    3. It shall not resell  or otherwise transfer any  of such Old Notes  within
       three  years after the original  issuance of the Old  Notes except (A) to
the Company or any of its subsidiaries, (B) inside the United States to a QIB in
compliance with  Rule  144A, (C)  inside  the  United States  to  an  Accredited
Investor that, prior to such transfer, furnishes (or has furnished on its behalf
by  a  U.S. broker-dealer)  to the  Trustee a  signed letter  containing certain
representations and agreements relating to  the restrictions on transfer of  the
Notes (the
 
                                       88
<PAGE>
form  of which letter can be obtained  from the Trustee), (D) outside the United
States in compliance with Rule 904 under the Securities Act, (E) pursuant to the
exemption from registration provided  by Rule 144 under  the Securities Act  (if
available),  or (F)  pursuant to an  effective registration  statement under the
Securities Act.
 
    4. It agreed that it will give to  each person to whom it transfers the  Old
       Notes notice of any restrictions on transfer of such Old Notes.
 
    5. It  understands that all of the Old Notes will bear, and if not exchanged
       pursuant  to  the  Exchange  Offer  will  continue  to  bear,  a   legend
substantially  to the  following effect unless  otherwise agreed by  PRI and the
holder thereof:
 
        THIS SECURITY HAS NOT BEEN REGISTERED  UNDER THE U.S. SECURITIES ACT  OF
    1933,  AS AMENDED (THE "ACT"), AND, ACCORDINGLY,  MAY NOT BE OFFERED OR SOLD
    EXCEPT AS  SET  FORTH BELOW.  BY  ITS  ACQUISITION HEREOF,  THE  HOLDER  (1)
    REPRESENTS  THAT (A) IT IS A  "QUALIFIED INSTITUTIONAL BUYER" (AS DEFINED IN
    RULE 144A UNDER THE ACT), (B) IT IS AN "ACCREDITED INVESTOR" (AS DEFINED  IN
    RULE 501(a)(1), (2), (3) OR (7) UNDER THE ACT) (AN "ACCREDITED INVESTOR") OR
    (C)  IT IS NOT A  U.S. PERSON AND IS ACQUIRING  THIS SECURITY IN AN OFFSHORE
    TRANSACTION, (2)  AGREES THAT  IT  WILL NOT  WITHIN  THREE YEARS  AFTER  THE
    ORIGINAL  ISSUANCE  OF  THIS  SECURITY  RESELL  OR  OTHERWISE  TRANSFER THIS
    SECURITY EXCEPT (A) TO THE ISSUER OR ANY SUBSIDIARY THEREOF, (B) INSIDE  THE
    UNITED  STATES TO  A QUALIFIED INSTITUTIONAL  BUYER IN  COMPLIANCE WITH RULE
    144A UNDER THE ACT, (C) INSIDE  THE UNITED STATES TO AN ACCREDITED  INVESTOR
    THAT, PRIOR TO SUCH TRANSFER, FURNISHES (OR HAS FURNISHED ON ITS BEHALF BY A
    U.S.  BROKER-DEALER)  TO  THE  TRUSTEE A  SIGNED  LETTER  CONTAINING CERTAIN
    REPRESENTATIONS AND AGREEMENTS RELATING TO  THE RESTRICTIONS ON TRANSFER  OF
    THIS SECURITY (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM THE TRUSTEE FOR
    THIS  SECURITY), (D) OUTSIDE THE UNITED STATES IN AN OFFSHORE TRANSACTION IN
    COMPLIANCE WITH RULE 904 UNDER THE  ACT, (E) PURSUANT TO THE EXEMPTION  FROM
    REGISTRATION  PROVIDED  BY RULE  144 UNDER  THE ACT  (IF AVAILABLE),  OR (F)
    PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE ACT AND (3) AGREES
    THAT IT WILL  GIVE TO EACH  PERSON TO  WHOM THIS SECURITY  IS TRANSFERRED  A
    NOTICE  SUBSTANTIALLY TO THE  EFFECT OF THIS LEGEND.  IN CONNECTION WITH ANY
    TRANSFER OF THIS SECURITY WITHIN THREE YEARS AFTER THE ORIGINAL ISSUANCE  OF
    THIS  SECURITY, IF  THE PROPOSED TRANSFEREE  IS AN  ACCREDITED INVESTOR, THE
    HOLDER MUST, PRIOR TO SUCH TRANSFER,  FURNISH TO THE TRUSTEE AND THE  ISSUER
    SUCH  CERTIFICATIONS, LEGAL OPINIONS OR OTHER  INFORMATION AS EITHER OF THEM
    MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE  PURSUANT
    TO  AN EXEMPTION FROM, OR IN A  TRANSACTION NOT SUBJECT TO, THE REGISTRATION
    REQUIREMENTS OF THE ACT. AS  USED HEREIN, THE TERMS "OFFSHORE  TRANSACTION,"
    "UNITED STATES" AND "U.S. PERSON" HAVE THE RESPECTIVE MEANINGS GIVEN TO THEM
    BY REGULATION S UNDER THE ACT.
 
    6. It  shall not  sell or  otherwise transfer  such Old  Notes to,  and each
       purchaser represented  and covenanted  that it  did not  acquire the  Old
Notes  for or on behalf of, and will  not transfer the Old Notes to, any pension
or welfare  plan (as  defined in  Section 3  of the  Employee Retirement  Income
Security Act of 1974 ("ERISA")), except that such a purchase for or on behalf of
a pension or welfare plan shall be permitted:
 
       a.  to  the  extent such  purchase  is made  by or  on  behalf of  a bank
           collective investment fund maintained by  the purchaser in which,  at
    any  time while the Old  Notes are held by  the purchaser, no plan (together
    with  any  other  plans  maintained   by  the  same  employer  or   employee
    organization)  has an interest in excess of  10% of the total assets in such
    collective investment fund and the  conditions of Section III of  Prohibited
    Transaction  Class Exemption  91-38 issued  by the  Department of  Labor are
    satisfied;
 
                                       89
<PAGE>
       b.  to the extent such purchase is made  by or on behalf of an  insurance
           company pooled separate account maintained by the purchaser in which,
    at any time while the Old Notes are held by the purchaser, no plan (together
    with   any  other  plans  maintained  by   the  same  employer  or  employee
    organization) has an interest in excess of 10% of the total of all assets in
    such pooled separate account and the conditions of Section III of Prohibited
    Transaction Class  Exemption 90-1  issued  by the  Department of  Labor  are
    satisfied;
 
       c.  to  the extent such  purchase is made on  behalf of a  plan by (i) an
           investment adviser registered  under the Investment  Advisors Act  of
    1940 that had as of the last day of its most recent fiscal year total assets
    under   its  management  and  control  in  excess  of  $50,000,000  and  had
    stockholders' or partners'  equity in excess  of $750,000, as  shown in  its
    most  recent balance  sheet prepared  in accordance  with generally accepted
    accounting principles, (ii) a  bank as defined in  Section 202(a)(2) of  the
    Investment  Advisers Act of 1940 with equity capital in excess of $1,000,000
    as of  the last  day of  its most  recent fiscal  year, (iii)  an  insurance
    company  which is qualified under the laws of more than one state to manage,
    acquire or dispose of any assets of a plan, which insurance company has,  as
    of  the last  day of  its most recent  fiscal year,  net worth  in excess of
    $1,000,000 and which is  subject to supervision and  examination by a  state
    authority having supervision over insurance companies, or (iv) a savings and
    loan  association, the accounts of which  are insured by the Federal Savings
    and Loan  Insurance Corporation,  that  has made  application for  and  been
    granted  trust powers to manage, acquire or dispose of assets of a plan by a
    State  or  Federal  authority  having  supervision  over  savings  and  loan
    associations,  which savings and loan association has, as of the last day of
    its most  recent fiscal  year, equity  capital  or net  worth in  excess  of
    $1,000,000  and,  in  any  case, such  investment  adviser,  bank, insurance
    company  or  savings   and  loan  association   is  otherwise  a   qualified
    professional  asset manager, as such term  is used in Prohibited Transaction
    Exception 84-14 issued by  the Department of Labor,  and the assets of  such
    plan  when combined with the assets of other plans established or maintained
    by the same  employer (or  affiliate thereof) or  employee organization  and
    managed  by such investment advisor, bank,  insurance company or savings and
    loan association do not represent more  than 20% of the total client  assets
    managed  by such investment adviser, bank,  insurance company or savings and
    loan association  and the  conditions of  Section I  of such  exemption  are
    otherwise satisfied;
 
       d.  to the extent such plan is a governmental plan (as defined in Section
           3  of ERISA)  which is not  subject to  the provisions of  Title I of
    ERISA or Section 4975 of the Internal Revenue Code; or
 
       e.  to the  extent that  the assets  used to  acquire the  Old Notes  are
           assets  of an insurance  company general account  and the purchase of
    the Old  Notes is  exempt  under the  provisions of  Prohibited  Transaction
    Exemption  95-60,  published  by  the Department  of  Labor  in  the Federal
    Register on July 12, 1995.
 
    7. It acknowledged that the Trustee for  the Old Notes will not be  required
       to  accept for  registration of  transfer any  Old Notes  acquired by it,
except upon presentation of  evidence satisfactory to PRI  and the Trustee  that
the restrictions set forth herein have been complied with.
 
    8. It  acknowledged that PRI, the Initial  Purchasers and others have relied
       and will continue to  rely upon the truth  and accuracy of the  foregoing
acknowledgments,  representations and agreements  and agreed that  if any of the
acknowledgments, representations or agreements deemed  to have been made by  its
purchase  of the Old Notes are no  longer accurate, it shall promptly notify PRI
and the Initial Purchasers. If it acquired the Old Notes as a fiduciary or agent
for one or more  investor accounts, it represented  that it has sole  investment
discretion  with respect to each such account and  it has full power to make the
foregoing acknowledgments,  representations, and  agreements on  behalf of  each
account.
 
                              PLAN OF DISTRIBUTION
 
    Based  on interpretations by the Staff set forth in no-action letters issued
to third parties, the  Company believes that Exchange  Notes issued pursuant  to
the  Exchange Offer  in exchange for  the Old  Notes may be  offered for resale,
resold and otherwise transferred by holders thereof (other than any holder which
is (i) an affiliate of the Company, (ii) a broker-dealer who acquired Old  Notes
directly  from the Company or (iii) a  broker-dealer who acquired Old Notes as a
result of market-making or other trading activities) without compliance with the
registration and prospectus delivery provisions  of the Securities Act  provided
that such
 
                                       90
<PAGE>
Exchange  Notes are acquired  in the ordinary course  of such holders' business,
and such holders are not engaged in, and do not intend to engage in, and have no
arrangement or understanding with any  person to participate in, a  distribution
of  such Exchange  Notes; provided  that broker-dealers  ("Participating Broker-
Dealers") receiving Exchange Notes  in the Exchange Offer  will be subject to  a
prospectus  delivery requirement with respect to resales of such Exchange Notes.
To date, the Staff has taken the position that Participating Broker-Dealers  may
fulfill  their  prospectus delivery  requirements  with respect  to transactions
involving an  exchange  of securities  such  as  the exchange  pursuant  to  the
Exchange  Offer (other than a resale of an unsold allotment from the sale of the
Old Notes  to the  Initial  Purchasers) with  the  prospectus contained  in  the
Registration  Statement.  Pursuant  to the  Registration  Rights  Agreement, the
Company has agreed to permit Participating Broker Dealers and other persons,  if
any,  subject to similar prospectus delivery requirements to use this Prospectus
in connection with  the resale of  such Exchange Notes.  The Company has  agreed
that,  for a  period of  180 days  after the  Exchange Date,  it will  make this
Prospectus, and any amendment or supplement to this Prospectus, available to any
broker-dealer that requests such documents in the Letter of Transmittal.
 
    Each holder  of the  Old Notes  who wishes  to exchange  its Old  Notes  for
Exchange  Notes  in  the  Exchange  Offer  will  be  required  to  make  certain
representations to the Company as set forth in "The Exchange Offer -- Terms  and
Conditions  of the  Letter of  Transmittal." In addition,  each holder  who is a
broker-dealer and who receives  Exchange Notes for its  own account in  exchange
for  Old Notes that were acquired by  it as a result of market-making activities
or other  trading activities,  will  be required  to  acknowledge that  it  will
deliver a prospectus in connection with any resale by it of such Exchange Notes.
 
    The Company will not receive any proceeds from any sale of Exchange Notes by
broker-dealers.  Exchange Notes received by broker-dealers for their own account
pursuant to the  Exchange Offer may  be sold from  time to time  in one or  more
transactions in the over-the-counter market, in negotiated transactions, through
the writing of options on the Exchange Notes or a combination of such methods of
resale,  at market prices prevailing at the time of resale, at prices related to
such prevailing market prices  or at negotiated prices.  Any such resale may  be
made  directly to purchasers or to or through brokers or dealers who may receive
compensation  in  the  form  of   commissions  or  concessions  from  any   such
broker-dealer   and/  or  the  purchasers  of   any  such  Exchange  Notes.  Any
broker-dealer that resells Exchange Notes that  were received by it for its  own
account   pursuant  to  the  Exchange  Offer  and  any  broker  or  dealer  that
participates in a distribution  of such Exchange  Notes may be  deemed to be  an
"underwriter"  within the meaning  of the Securities  Act and any  profit on any
such resale of Exchange Notes and any commissions or concessions received by any
such persons may be deemed to be underwriting compensation under the  Securities
Act. The Letter of Transmittal states that by acknowledging that it will deliver
and by delivering a prospectus, a broker-dealer will not be deemed to admit that
it is an "underwriter" within the meaning of the Securities Act.
 
    The  Company has agreed to pay all expenses incidental to the Exchange Offer
other than  commissions  and concession  of  any  brokers or  dealers  and  will
indemnify  holders of the  Notes (including any  broker-dealers) against certain
liabilities, including liabilities under the Securities Act, as set forth in the
Registration Rights Agreement.
 
                                 LEGAL MATTERS
 
    The validity of the Exchange  Notes will be passed  upon for the Company  by
Winston & Strawn, Chicago, Illinois.
 
                                    EXPERTS
 
    The financial statements and schedule of the Company as of February 28, 1995
and  February 29, 1996, and for each of the years in the three-year period ended
February 29, 1996, included herein  and elsewhere in the Registration  Statement
have been included herein and in the Registration Statement in reliance upon the
reports  of  KPMG Peat  Marwick LLP,  independent certified  public accountants,
appearing elsewhere herein, and  upon the authority of  said firm as experts  in
accounting and auditing. The reports of KPMG Peat Marwick LLP covering the above
mentioned  financial statements and schedule refer  to a change in accounting in
1994 relating to income taxes.
 
                                       91
<PAGE>
                         INDEX TO FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                                                            PAGE
                                                                                                          REFERENCE
                                                                                                         -----------
<S>                                                                                                      <C>
PACKAGING RESOURCES INCORPORATED
 
Independent Auditors' Report...........................................................................         F-2
Balance Sheets as of February 28, 1995 and February 29, 1996...........................................         F-3
Statements of Operations for the years ended February 28, 1994 and 1995 and February 29, 1996..........         F-4
Statements of Stockholder's Equity for the years ended February 28, 1994 and 1995 and February 29,
 1996..................................................................................................         F-5
Statements of Cash Flows for the years ended February 28, 1994 and 1995 and February 29, 1996..........         F-6
Notes to Financial Statements..........................................................................         F-7
Balance Sheets (Unaudited) as of February 29, 1996 and May 31, 1996....................................        F-17
Statements of Operations (Unaudited) for the three months ended May 31, 1995 and 1996..................        F-18
Statements of Cash Flows (Unaudited) for the three months ended May 31, 1995 and 1996..................        F-19
Notes to Unaudited Financial Statements................................................................        F-20
</TABLE>
 
                                      F-1
<PAGE>
                          INDEPENDENT AUDITORS' REPORT
 
The Board of Directors and Stockholder of
Packaging Resources Incorporated:
 
    We  have  audited the  accompanying  balance sheets  of  Packaging Resources
Incorporated as of  February 28,  1995 and February  29, 1996,  and the  related
statements  of operations, stockholder's equity, and  cash flows for each of the
years in  the  three-year  period  ending February  29,  1996.  These  financial
statements  are  the responsibility  of  the management  of  Packaging Resources
Incorporated. Our responsibility  is to  express an opinion  on these  financial
statements based on our audits.
 
    We  conducted  our audits  in  accordance with  generally  accepted auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
    In  our opinion, the financial statements  referred to above present fairly,
in  all  material  respects,  the  financial  position  of  Packaging  Resources
Incorporated  as of February 28, 1995 and  February 29, 1996, and the results of
its operations and its cash flows for each of the years in the three-year period
ended February  29,  1996  in  conformity  with  generally  accepted  accounting
principles.
 
    As discussed in note 12 to the financial statements, the Company adopted the
provisions  of  Financial  Accounting  Standards  Board  Statement  of Financial
Accounting Standards No. 109, "Accounting for Income Taxes," in fiscal 1994.
 
                                          KPMG Peat Marwick LLP
 
Chicago, Illinois
March 20, 1996, except for note 17, which
is as of May 17, 1996
 
                                      F-2
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                                 BALANCE SHEETS
 
                    FEBRUARY 28, 1995 AND FEBRUARY 29, 1996
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                 ASSETS                                     1995       1996
                                                                          ---------  ---------
<S>                                                                       <C>        <C>
Current assets:
  Cash..................................................................  $     232        398
  Accounts receivable, net of allowance for doubtful accounts of $200
   and $156 in 1995 and 1996, respectively..............................     11,286     10,719
  Inventories...........................................................     24,977     21,394
  Prepaid expenses......................................................        119        646
  Income tax receivable.................................................      1,468         44
  Deferred income taxes.................................................      1,107        922
                                                                          ---------  ---------
Total current assets....................................................     39,189     34,123
 
Property, plant, and equipment, net.....................................     56,213     52,352
Intangibles, net........................................................     19,610     20,454
Other assets............................................................      6,954      3,754
                                                                          ---------  ---------
                                                                          $ 121,966    110,683
                                                                          ---------  ---------
                                                                          ---------  ---------
 
                  LIABILITIES AND STOCKHOLDER'S EQUITY
Current liabilities:
  Current maturities of long-term debt..................................      6,550     10,350
  Accounts payable......................................................      8,547      2,615
  Accrued expenses......................................................      4,720      3,912
  Income taxes payable..................................................     --            284
                                                                          ---------  ---------
Total current liabilities...............................................     19,817     17,161
 
Long-term debt, excluding current maturities............................     77,627     67,174
Deferred income taxes...................................................      7,590      8,083
                                                                          ---------  ---------
Total liabilities.......................................................    105,034     92,418
                                                                          ---------  ---------
Stockholder's equity:
  Common stock, $.01 par value; 1,000 shares authorized, issued, and
   outstanding in 1995 and 1996.........................................     --         --
  Additional paid-in capital............................................     20,278     20,278
  Retained earnings (accumulated deficit)...............................     (3,346)    (2,013)
                                                                          ---------  ---------
Total stockholder's equity..............................................     16,932     18,265
                                                                          ---------  ---------
                                                                          $ 121,966    110,683
                                                                          ---------  ---------
                                                                          ---------  ---------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      F-3
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
                            STATEMENTS OF OPERATIONS
          YEARS ENDED FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                                                  1994        1995        1996
                                                                               ----------  ----------  ----------
<S>                                                                            <C>         <C>         <C>
Net sales....................................................................  $  118,844     135,696     133,756
Cost of goods sold...........................................................      93,248     113,928     111,448
                                                                               ----------  ----------  ----------
Gross profit.................................................................      25,596      21,768      22,308
Selling, general, and administrative expenses (note 15)......................       6,657       8,407       6,864
Amortization of intangibles and other assets.................................       1,122       3,102       2,434
Nonrecurring charge (note 10)................................................      --           7,257      --
                                                                               ----------  ----------  ----------
Operating income.............................................................      17,817       3,002      13,010
Interest expense, net of interest income of $129 and $77 in 1994 and 1995,
 respectively................................................................       5,482       8,503      10,671
                                                                               ----------  ----------  ----------
Income (loss) before income taxes, extraordinary item, and cumulative effect
 of change in accounting principle...........................................      12,335      (5,501)      2,339
Income tax expense (benefit).................................................       5,057      (1,980)      1,006
                                                                               ----------  ----------  ----------
Income (loss) before extraordinary item and cumulative effect of change in
 accounting principle........................................................       7,278      (3,521)      1,333
                                                                               ----------  ----------  ----------
Extraordinary item -- loss on early extinguishment of debt,
 net of tax..................................................................       2,743      --          --
Cumulative effect at March 1, 1993 of change in accounting for income taxes
 (note 12)...................................................................       2,300      --          --
                                                                               ----------  ----------  ----------
Net income (loss)............................................................  $    2,235      (3,521)      1,333
                                                                               ----------  ----------  ----------
                                                                               ----------  ----------  ----------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      F-4
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
                       STATEMENTS OF STOCKHOLDER'S EQUITY
          YEARS ENDED FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                                         SERIES B 10%                  RETAINED       TOTAL
                                                                          CUMULATIVE    ADDITIONAL     EARNINGS      STOCK-
                                               COMMON     COMMON STOCK     PREFERRED      PAID-IN    (ACCUMULATED   HOLDER'S
                                                STOCK       WARRANTS         STOCK        CAPITAL      DEFICIT)      EQUITY
                                             -----------  -------------  -------------  -----------  -------------  ---------
<S>                                          <C>          <C>            <C>            <C>          <C>            <C>
Balances at February 28, 1993..............   $       8             2         --               525           599        1,134
Amortization of the excess of redemption
 value over fair value of Series A
 preferred stock...........................      --            --             --               (74)       --              (74)
Repurchase of 10,000 shares of Series A,
 10% cumulative preferred stock............      --            --             --            (1,327)       --           (1,327)
Repurchase of common stock warrants........      --                (2)        --           (13,854)       --          (13,856)
Reverse stock split of 754,000 shares of
 common stock, $.01 par value, to 1,000
 shares of common stock, $.01 par value....          (8)       --             --                 8        --           --
Redemption of 2,500 shares of Series B, 10%
 cumulative preferred stock................      --            --             --            (2,500)       --           (2,500)
Issuance of 1,000 shares of common stock,
 $.01 par value and contribution of
 additional paid-in capital................      --            --             --            40,000        --           40,000
Dividends paid:
  Series A preferred stock.................      --            --             --            --              (461)        (461)
  Series B preferred stock.................      --            --             --            --              (115)        (115)
  Common stock.............................      --            --             --            --            (2,083)      (2,083)
Net income.................................      --            --             --            --             2,235        2,235
                                                    ---           ---            ---    -----------       ------    ---------
Balances at February 28, 1994..............      --            --             --            22,778           175       22,953
Dividends paid on common stock.............      --            --             --            (2,500)       --           (2,500)
Net income.................................      --            --             --            --            (3,521)      (3,521)
                                                    ---           ---            ---    -----------       ------    ---------
Balances at February 28, 1995..............      --            --             --            20,278        (3,346)      16,932
Net income.................................      --            --             --            --             1,333        1,333
                                                    ---           ---            ---    -----------       ------    ---------
Balances at February 29, 1996..............   $  --            --             --            20,278        (2,013)      18,265
                                                    ---           ---            ---    -----------       ------    ---------
                                                    ---           ---            ---    -----------       ------    ---------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      F-5
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
                            STATEMENTS OF CASH FLOWS
          YEARS ENDED FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                                                        1994       1995       1996
                                                                                     ----------  ---------  ---------
<S>                                                                                  <C>         <C>        <C>
Cash flows from operating activities:
  Net income (loss)................................................................  $    2,235     (3,521)     1,333
  Adjustments to reconcile net income (loss) to net cash provided by (used in)
   operating activities:
    Depreciation and amortization..................................................       6,984     11,340     11,381
    Deferred income taxes..........................................................       5,191     (1,481)       678
    Loss on sale of property, plant, and equipment.................................         314      1,034         31
    Change in assets and liabilities net of effects from the purchase of Louisiana
     Plastics, Incorporated and Miner Container:
      Accounts receivable..........................................................        (993)     5,710        567
      Inventories..................................................................      (5,290)       977      3,583
      Prepaid expenses.............................................................        (391)       638       (527)
      Other assets.................................................................      (1,831)       (87)      (239)
      Accounts payable.............................................................      (1,058)       306     (5,932)
      Accrued expenses.............................................................      (8,222)    (3,416)      (808)
      Income taxes.................................................................      (1,445)       (28)     1,708
                                                                                     ----------  ---------  ---------
Net cash provided by (used in) operating activities................................      (4,506)    11,472     11,775
                                                                                     ----------  ---------  ---------
Cash flows from investing activities:
  Proceeds from sale of property, plant, and equipment.............................       1,241        237         29
  Payment for purchase of the net assets from Louisiana Plastics, Incorporated and
   Miner Container, net of cash acquired...........................................     (42,957)    (1,500)    (1,536)
  Capital expenditures.............................................................      (5,556)    (7,925)    (3,449)
  Notes receivable from related party..............................................        (130)     1,938     --
  Other, net.......................................................................        (155)    --         --
                                                                                     ----------  ---------  ---------
Net cash used in investing activities..............................................     (47,557)    (7,250)    (4,956)
                                                                                     ----------  ---------  ---------
Cash flows from financing activities:
  Net borrowings (payments) under credit agreement.................................       2,222       (834)    (5,603)
  Retirement of Miner line-of-credit agreement.....................................      (1,752)    --         --
  Retirement of capital expenditure loan...........................................      (4,440)    --         --
  Retirement of senior subordinated note...........................................     (24,000)    --         --
  Retirement of term loan..........................................................     (12,117)    --         --
  Net borrowings from term loan....................................................      77,161     --         --
  Repurchase of common stock warrants..............................................     (13,856)    --         --
  Redemption of preferred stock, Series A..........................................     (10,000)    --         --
  Proceeds from capital contribution...............................................      37,500     --         --
  Issuance (payment) of promissory notes...........................................       4,200     (1,350)    (1,050)
  Dividends paid...................................................................      (2,659)    (2,500)    --
  Premium on senior subordinated notes.............................................         474     --         --
                                                                                     ----------  ---------  ---------
Net cash provided by (used in ) financing activities...............................      52,733     (4,684)    (6,653)
                                                                                     ----------  ---------  ---------
Net increase (decrease) in cash....................................................         670       (462)       166
Cash at beginning of year..........................................................          24        694        232
                                                                                     ----------  ---------  ---------
Cash at end of year................................................................  $      694        232        398
                                                                                     ----------  ---------  ---------
                                                                                     ----------  ---------  ---------
Supplemental disclosure of cash flow information -- cash paid for:
  Interest.........................................................................  $    5,003      8,881      9,239
  Income taxes.....................................................................         373        432        117
Supplemental disclosure of noncash financing activities -- cancellation of
 preferred stock, Series B.........................................................      (2,500)    --         --
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      F-6
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
    (A)  DESCRIPTION OF BUSINESS
 
    Packaging  Resources Incorporated (PRI or the Company) was organized in 1984
as a wholly owned subsidiary of  HPH Industries, Ltd. (HPH). During fiscal  1994
PRI  Holdings, Inc. (Holdings) acquired all of the common stock of PRI from HPH.
During fiscal 1995 Holdings changed its name to Packaging Resources Group,  Inc.
(Group). Packaging Resources Group, Inc. is a wholly owned subsidiary of HPH.
 
    The  primary  business of  PRI is  the manufacture  and sale  of promotional
beverage cups  and plastic  packaging for  the food,  dairy, and  pharmaceutical
industries.  PRI has manufacturing facilities  in Coleman, Michigan; Fort Worth,
Texas; Kansas City, Missouri; Lenexa, Kansas; Mt. Carmel, Pennsylvania; and  New
Vienna, Ohio.
 
    (B)  INVENTORIES
 
    Inventories  are  stated at  the lower  of first-in,  first-out cost  or net
realizable value.
 
    (C)  PROPERTY, PLANT, AND EQUIPMENT
 
    Property, plant, and equipment are stated at cost. Depreciation on plant and
equipment is calculated on the straight-line method over the following estimated
useful lives of the assets:
 
<TABLE>
<S>                                                                 <C>
Furniture and fixtures............................................    5 years
Molds.............................................................  3-5 years
Machinery and equipment...........................................   13 years
Buildings and improvements........................................   25 years
Land improvements.................................................   35 years
</TABLE>
 
    Leasehold improvements are amortized ratably  over the shorter of the  lease
term or estimated useful life of the assets.
 
    (D)  INTANGIBLES
 
    Intangibles  consists of patent  costs and the  excess of the  cost over the
fair value  of  net assets  purchased.  These  intangibles are  amortized  on  a
straight-line  basis over their  useful lives of 14  and 40 years, respectively.
Accumulated amortization was $3,172 and $3,865 at February 28, 1995 and February
29, 1996, respectively.
 
    At  each  balance  sheet  date,  PRI  evaluates  the  realizable  value   of
intangibles  on the basis of whether  the intangibles are fully recoverable from
projected, undiscounted net cash flows. Based  on its most recent analysis,  PRI
believes no impairment of the carrying values of intangibles exists.
 
    (E)  OTHER ASSETS
 
    The costs of noncompete agreements and debt issuance costs included in other
assets  are amortized  over their respective  useful lives  on the straight-line
method.
 
    (F)  INCOME TAXES
 
    PRI is  included in  the  consolidated Federal  income  tax return  of  HPH.
Federal  income taxes are calculated on a separate company basis and remitted to
HPH.
 
    In February 1992 the Financial  Accounting Standards Board issued  Statement
of  Financial  Accounting  Standards  No.  109,  "Accounting  for  Income Taxes"
(Statement 109). Statement  109 requires a  change from the  deferred method  of
accounting  for income taxes of APB Opinion 11 to the asset and liability method
of accounting  for  income  taxes.  Under the  asset  and  liability  method  of
Statement 109, deferred tax assets and liabilities are recognized for the future
tax  consequences attributable  to differences  between the  financial statement
carrying amounts of  existing assets  and liabilities and  their respective  tax
bases. Deferred tax
 
                                      F-7
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
assets and liabilities are measured using enacted tax rates expected to apply to
taxable income in the years in which those temporary differences are expected to
be  recovered or settled. Under Statement 109, the effect on deferred tax assets
and liabilities of a  change in tax  rates is recognized  in operations for  the
period that includes the enactment date.
 
    Effective  March  1, 1993  PRI adopted  Statement 109  and has  reported the
cumulative effect of that change in the method of accounting for income taxes in
the statement of operations for the year ended February 28, 1994.
 
    (G)  RETIREMENT PLANS
 
    PRI has two defined contribution retirement plans covering substantially all
of its employees.  PRI's Money Purchase  Retirement Plan is  funded entirely  by
employer   contributions  based  upon  a  defined  percentage  of  participating
employees compensation. PRI also has a  401(k) plan where participants elect  to
have  a designated  percentage of their  salary withheld and  contributed to the
plan.
 
    (H)  USE OF ESTIMATES IN THE PREPARATION OF FINANCIAL STATEMENTS
 
    The  preparation  of  financial  statements  in  conformity  with  generally
accepted accounting principles requires management to make certain estimates and
assumptions  that  affect the  reported amounts  of  assets and  liabilities and
disclosure of  contingent  assets  and  liabilities at  the  date  of  financial
statements  and  the  reported  amounts  of  revenues  and  expenses  during the
reporting period. Actual results could differ from those estimates.
 
    (I)  FINANCIAL STATEMENT RECLASSIFICATION
 
    Certain amounts  in  the  1994  and  1995  financial  statements  have  been
reclassified to conform with the 1996 presentation.
 
(2) ACQUISITION OF BUSINESSES
    On  March 12, 1993 PRI acquired substantially all of the assets of Louisiana
Plastics, Incorporated (LPI). LPI was  engaged in the business of  manufacturing
plastic  food  containers  and promotional  beverage  cups. Results  of  LPI are
included in PRI's  statement of  operations from  the date  of acquisition.  The
purchase price was $22,122, consisting of $20,122 in cash and $2,000 of debt.
 
    In  connection with  the purchase  of LPI,  PRI's bank  credit agreement was
amended. The amendment extended the credit facility to $43,800, consisting of  a
revolving  credit  facility  of up  to  $20,000  and a  term  loan  in aggregate
principal amount of $23,800. All property acquired from LPI together with  PRI's
remaining  property and assets  were pledged as  collateral for amounts borrowed
under this  agreement. The  amendment contained  certain covenants  relating  to
PRI's financial condition and restrictions on capital expenditures. PRI borrowed
$18,182 under the amended agreement for the cash purchase price.
 
    As  part of  the transaction,  the preceding  owner entered  into a two-year
noncompete agreement with  PRI. The $500  cost of the  noncompete agreement  was
included in the purchase price.
 
    The   acquisition  of  LPI  is  being  accounted  for  as  a  purchase  and,
accordingly, the acquired  assets and  liabilities have been  recorded at  their
estimated  fair values at the date of the acquisition. As the purchase price did
not exceed the fair value of the net assets acquired, no goodwill was recorded.
 
    On December  15, 1993  PRI acquired  all issued  and outstanding  shares  of
capital stock of Miner Container of Missouri, Inc. and Miner Container of Texas,
Inc.  Additionally,  PRI  acquired  specific  assets  and  liabilities  of Miner
Container Printing,  Inc. (all  businesses acquired  are collectively  hereafter
referred to
 
                                      F-8
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(2) ACQUISITION OF BUSINESSES (CONTINUED)
as  Miner).  Miner is  engaged  in the  business  of manufacturing  plastic food
containers and promotional beverage cups. Results of Miner are included in PRI's
statement of operations  from the date  of acquisition. The  purchase price  was
$20,950,  consisting of $11,750 in  cash and $9,200 of  debt of which $7,000 was
paid prior to February 28, 1994.
 
    In connection with the purchase of  Miner, the credit agreement was  amended
to  extend the credit facility to  $95,000, including a maximum revolving credit
line of $15,000 and a  term loan in aggregate  principal amount of $80,000.  All
Miner  property acquired  has been  pledged as  collateral for  amounts borrowed
under this agreement. The amendment contains certain covenants relating to PRI's
financial condition  and  restrictions  on capital  expenditures.  PRI  borrowed
$22,000  under the amended agreement  for the cash purchase  price and to retire
other debt assumed in the acquisition.
 
    As part of  the transaction, the  preceding owners entered  into a  two-year
noncompete  agreement with PRI. Of the  $4,400 cost of the noncompete agreement,
$1,100 was paid December 31, 1993, $1,100  was paid January 3, 1994, $1,100  was
paid  January 2,  1995, and  the remaining $1,100  initially was  due January 2,
1995. PRI  renegotiated the  payment  terms relating  to  the final  payment  of
$1,100.  As a result, $800 was paid on April 13, 1995, and the remaining $300 is
due  in   March  of   1996.  The   outstanding  obligation   of  $1,100   became
interest-bearing on January 2, 1995 at a rate of 1.5% over prime rate.
 
    The Miner acquisition is being accounted for as a purchase and, accordingly,
the acquired assets and liabilities were recorded at their preliminary estimated
fair values at the date of the acquisition. The $9,918 preliminary excess of the
purchase price over the fair market value of the net assets was recorded. During
fiscal 1995 PRI's final determination of the purchase price of Miner resulted in
the  excess of the purchase  price over the fair market  value of the net assets
acquired increasing by $1,500.
 
    PRI had  contingent  consideration  of  up to  $2,300  associated  with  the
purchase of Miner. During fiscal 1996, PRI made payments towards this balance of
$1,536  resulting in a  remaining contingent consideration  of $764. However, as
the probability and amount of payment are uncertain, no amount relating to  this
remaining  contingency  has  been  recorded. Subsequent  payments  result  in an
adjustment to increase  the excess of  the purchase price  over the fair  market
value of the net assets acquired.
 
(3) INVENTORIES
    Inventories  consist of the following at  February 28, 1995 and February 29,
1996:
 
<TABLE>
<CAPTION>
                                                                             1995       1996
                                                                           ---------  ---------
<S>                                                                        <C>        <C>
Finished goods...........................................................  $  15,637     13,065
Raw materials............................................................      5,718      4,407
Supplies and mold materials..............................................      3,622      3,922
                                                                           ---------  ---------
  Total..................................................................  $  24,977     21,394
                                                                           ---------  ---------
                                                                           ---------  ---------
</TABLE>
 
                                      F-9
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(4) PROPERTY, PLANT, AND EQUIPMENT
    Property, plant, and equipment consist of the following at February 28, 1995
and February 29, 1996:
 
<TABLE>
<CAPTION>
                                                                                               1995        1996
                                                                                            ----------  ----------
<S>                                                                                         <C>         <C>
Land......................................................................................  $      309         309
Buildings.................................................................................      10,019      10,156
Machinery, equipment, and fixtures........................................................      77,471      80,271
Leasehold improvements....................................................................         157         157
Construction in progress..................................................................       1,238       1,562
                                                                                            ----------  ----------
                                                                                                89,194      92,455
Less allowance for depreciation and amortization..........................................     (32,981)    (40,103)
                                                                                            ----------  ----------
Total.....................................................................................  $   56,213      52,352
                                                                                            ----------  ----------
                                                                                            ----------  ----------
</TABLE>
 
    Construction in progress includes machinery and equipment which have not yet
been placed in service and molds which are in the process of being manufactured.
Depreciation expense for the years ended February 28, 1994 and 1995 and February
29, 1996 was $5,157, $7,390, and $7,287, respectively.
 
(5) OTHER ASSETS
    Other assets consist of the following at February 28, 1995 and February  29,
1996:
 
<TABLE>
<CAPTION>
                                                                                                   1995       1996
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
Debt issuance cost, net........................................................................  $   3,673      2,213
Noncompete agreements, net.....................................................................      1,741     --
Leased equipment, net..........................................................................      1,531      1,479
Other..........................................................................................          9         62
                                                                                                 ---------  ---------
                                                                                                 $   6,954      3,754
                                                                                                 ---------  ---------
                                                                                                 ---------  ---------
</TABLE>
 
    The  debt issuance costs were incurred in connection with the revolving line
of credit, the  12.5% senior subordinated  notes issued by  Group, and the  term
loan described in note 8. The cost is being amortized over the remaining life of
the  debt. Amortization of these  costs was $705, $848  and $1,660 for the years
ended February  28, 1994  and  1995 and  February  29, 1996,  respectively.  The
noncompete  agreements resulted from the acquisitions as discussed in note 2 and
are being  amortized  over two  years  from  the date  of  acquisitions.  Leased
equipment   represents  equipment  leased  and  available  for  lease  to  PRI's
customers.
 
(6) LEASES
    PRI has several noncancelable operating  leases for substantial portions  of
the  Company's plant and  office facilities and  machinery and equipment. Leased
plant and office  facilities generally contain  renewal options. Rental  expense
for operating leases for the years ended February 28, 1994 and 1995 and February
29,  1996  aggregated approximately  $2,083,  $2,547, and  $2,062, respectively.
Additionally, PRI has several facilities which are being subleased.
 
                                      F-10
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(6) LEASES (CONTINUED)
    Future  minimum   lease  payments   and   related  sublease   income   under
noncancelable  operating leases (with initial or remaining lease terms in excess
of one year) as of February 29, 1996 are:
 
<TABLE>
<CAPTION>
                                                                                              OPERATING    OPERATING
                                                                                                LEASE      SUBLEASE
FISCAL YEAR                                                                                   PAYMENTS      INCOME
- -------------------------------------------------------------------------------------------  -----------  -----------
<S>                                                                                          <C>          <C>
1997.......................................................................................   $   1,970         (855)
1998.......................................................................................       1,766         (570)
1999.......................................................................................       1,276         (505)
2000.......................................................................................       1,207         (505)
2001.......................................................................................         970         (168)
                                                                                             -----------  -----------
Total minimum lease payments (income)......................................................   $   7,189       (2,603)
                                                                                             -----------  -----------
                                                                                             -----------  -----------
</TABLE>
 
(7) ACCRUED EXPENSES
    Accrued expenses consist of the following at February 28, 1995 and  February
29, 1996:
 
<TABLE>
<CAPTION>
                                                                                                    1995       1996
                                                                                                  ---------  ---------
<S>                                                                                               <C>        <C>
Interest........................................................................................  $      18         27
Vacation........................................................................................      1,056      1,056
Pension.........................................................................................      1,095        985
Other...........................................................................................      2,551      1,844
                                                                                                  ---------  ---------
                                                                                                  $   4,720      3,912
                                                                                                  ---------  ---------
                                                                                                  ---------  ---------
</TABLE>
 
(8) LONG-TERM DEBT
    On  June 30,  1993 PRI  obtained a  credit facility,  fully described below,
which includes a  revolving credit loan.  The revolving credit  loan balance  is
limited  to  $15,000,  with  substantially  all  of  PRI's  property  pledged as
collateral for amounts  borrowed. The balance  outstanding under this  revolving
credit  loan was $5,000, $15,000, and $15,000  at February 28, 1994 and 1995 and
February 29, 1996, respectively.
 
    The borrowing  base  for the  revolving  credit loan  consists  of  specific
accounts  receivable and inventories.  PRI borrows at the  base rate (Base Rate)
which is  equal to  one  and one-half  percent over  the  prime rate  (8.25%  at
February 29, 1996) on the outstanding balance.
 
    Beginning  in September of 1994, PRI was not in compliance with certain debt
covenants. As a result,  from October 1,  1994 through March  31, 1995, PRI  was
required to borrow funds at the Base Rate plus two percentage points.
 
    On  March 31,  1995, PRI restructured  their credit facility  and their debt
covenants. In conjunction  with this  restructuring, PRI received  a waiver  for
noncompliance  with certain debt  covenants through March  31, 1995. Thereafter,
PRI was in  compliance with  all restructured debt  covenants throughout  fiscal
1996.
 
    The  revolving loan matures on the earlier  of the maturity date of the term
loan (June 30, 1997) or the date of repayment of the term loan.
 
                                      F-11
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(8) LONG-TERM DEBT (CONTINUED)
    Long-term debt consists of the following  at February 28, 1995 and  February
29, 1996:
 
<TABLE>
<CAPTION>
                                                                                                1995       1996
                                                                                              ---------  ---------
<S>                                                                                           <C>        <C>
Revolving credit loan, interest at the Base Rate, payable in June of 1997...................  $  15,000     15,000
Term loan, interest at eurodollar rate plus 2.75% through October 1994 and interest at the
 prime rate plus 1.5% since October 1994, payable in quarterly installments through June 30,
 1997.......................................................................................     66,327     60,724
Promissory note, interest at the prime rate plus 0.75% and effective March 12, 1995,
 interest at the prime rate plus 2.0%, payable in installments semiannually through July of
 1997.......................................................................................      1,750      1,500
Promissory note, interest-bearing at the prime rate plus 1.5% beginning January 1995; $800
 payable in April of 1995 and $300 payable in March of 1996.................................      1,100        300
                                                                                              ---------  ---------
                                                                                                 84,177     77,524
Less current maturities of long-term debt...................................................      6,550     10,350
                                                                                              ---------  ---------
                                                                                              $  77,627     67,174
                                                                                              ---------  ---------
                                                                                              ---------  ---------
</TABLE>
 
    At February 29, 1996, the Base Rate was 9.75% and the Prime Rate was 8.25%.
 
    On  June  30,  1993,  PRI  entered into  a  new  credit  agreement initially
providing for a $55,000  term loan and a  $20,000 revolving credit facility.  On
December 15, 1993, the terms of this agreement were amended to increase the term
loan   to  $80,000  and  reduce  the   revolving  credit  facility  to  $15,000.
Substantially all of PRI's property has  been pledged as collateral for  amounts
borrowed  under the agreement.  Interest is due  on either a  one, three, or six
month basis for borrowings under the  eurodollar interest rate or quarterly  for
borrowings  under  the Base  Rate. There  is an  annual fee  of one-half  of one
percent on the unused credit commitment, payable quarterly.
 
    This credit agreement contains restrictions on incurring additional debt  or
liens,   making  investments,  or  making  payments  such  as  dividends,  stock
repurchases, or debt prepayments, and  payments to affiliates. These  agreements
also  contain  various  financial  covenants such  as  interest  coverage ratio,
working capital,  and  net worth.  PRI  paid  approximately $4,600  in  fees  in
connection with the new credit agreement and the 12.5% senior subordinated notes
issued by Group.
 
    As discussed in note 2, in connection with the Miner acquisition, a two-year
noncompete  agreement  was  entered into  by  PRI.  Of the  $4,400  cost  of the
noncompete agreement, $1,100 was paid December 31, 1993, $1,100 was paid January
3, 1994, $1,100 was paid January 2, 1995, and the remaining $1,100 initially was
due January 2, 1995.  PRI renegotiated the payment  terms relating to the  final
payment  of  $1,100. As  a result,  $800 was  paid  on April  13, 1995,  and the
remaining $300 is due March 1, 1996. The outstanding obligation of $1,100 became
interest-bearing on January 2, 1995 at a rate of 1.5% over prime rate.
 
                                      F-12
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(8) LONG-TERM DEBT (CONTINUED)
    Aggregate maturities  of  long-term debt  after  February 29,  1996  are  as
follows:
 
<TABLE>
<CAPTION>
FISCAL YEAR                                                                                               AMOUNT
- -------------------------------------------------------------------------------------------------------  ---------
<S>                                                                                                      <C>
1997...................................................................................................  $  10,350
1998...................................................................................................     67,174
1999...................................................................................................     --
2000...................................................................................................     --
2001...................................................................................................     --
                                                                                                         ---------
                                                                                                         $  77,524
                                                                                                         ---------
                                                                                                         ---------
</TABLE>
 
(9) COMMON STOCK, ADDITIONAL PAID-IN CAPITAL, REDEEMABLE EXCHANGEABLE PREFERRED
STOCK, AND COMMON STOCK PURCHASE WARRANTS
    During  fiscal  1990  PRI  issued 52,632  detachable  common  stock purchase
warrants to the holder of the  redeemable exchangeable preferred stock under  an
amended  Stock Purchase Agreement.  PRI also had  246,000 outstanding detachable
common stock purchase warrants which were  issued in 1986 with the 13.5%  senior
subordinated  notes and  redeemable exchangeable  preferred stock.  The warrants
were purchased  by PRI  for $13,856  on June  30, 1993.  PRI also  redeemed  the
Redeemable  Exchangeable  Preferred  Stock on  June  30, 1993  for  $10,000 plus
accrued dividends.
 
    Group acquired  all  issued  and  outstanding  capital  stock  of  PRI  and,
simultaneously  with  such transaction,  Group  caused PRI  to  reconstitute its
capital structure  through  the replacement  of  its bank  credit  facility  and
redemption of its outstanding (i) 13.5% Senior Subordinated Notes due 1996, (ii)
shares  of  Redeemable  Exchangeable  Preferred  Stock,  and  (iii)  warrants to
purchase stock.  In  connection with  this  refinancing, Group  made  a  capital
contribution to PRI consisting of $37,500 in cash and 2,500 shares of Redeemable
Convertible Junior Preferred Stock.
 
    In  June 1993 HPH exchanged all of the outstanding shares of common stock of
PRI, par value $.01 per share, for  56,250 shares of the common stock of  Group,
par  value  $.01 per  share. HPH  also exchanged  its shares  of PRI's  Series B
Redeemable Convertible Junior  Preferred Stock,  par value $.01  per share,  for
$2,500 principal amount of the 12.5% senior subordinated notes issued by Group.
 
    In connection with the March of 1995 restructured credit agreement, dividend
payments are prohibited by PRI.
 
(10)NONRECURRING CHARGE
    During  fiscal  1995  a nonrecurring  charge  was incurred  relating  to the
following items:
 
<TABLE>
<CAPTION>
Employee termination payments.......................................................  $     263
<S>                                                                                   <C>
Termination payments for leases and other contracts.................................        112
Write-down of operating assets to net realizable value..............................      1,496
Write-off of excess and obsolete inventory..........................................      2,401
Moving expenses incurred for inventory and fixed assets.............................        848
Operating costs relating to closed facilities subsequent to shut-down...............      1,243
Write-off of costs associated with the public debt offering that was not completed
 by PRI.............................................................................        894
                                                                                      ---------
                                                                                      $   7,257
                                                                                      ---------
                                                                                      ---------
</TABLE>
 
                                      F-13
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(11)EARLY EXTINGUISHMENT OF DEBT
    During fiscal 1994,  in connection  with the reconstituting  of the  capital
structure  as discussed  in note  8, the difference  between the  amount paid to
extinguish the debt  and net  carrying amount  of the  debt was  recorded as  an
extraordinary item, net of taxes in the accompanying statements of operations.
 
(12)INCOME TAXES
    As  discussed in note 1, PRI adopted Statement  109 as of March 1, 1993. The
cumulative effect of  this change in  accounting for income  taxes of $2,300  is
determined  as of March 1,  1993 and is reported  separately in the statement of
operations for the year ended February 28, 1994.
 
    Total income tax expense (benefit) for the years ended February 28, 1994 and
1995 and February 29, 1996 was allocated as follows:
 
<TABLE>
<CAPTION>
                                                                                         1994       1995       1996
                                                                                       ---------  ---------  ---------
<S>                                                                                    <C>        <C>        <C>
Income (loss) from operations........................................................  $   5,057     (1,980)     1,006
Extraordinary item -- loss on early extinguishment of debt...........................     (1,906)    --         --
                                                                                       ---------  ---------  ---------
                                                                                       $   3,151     (1,980)     1,006
                                                                                       ---------  ---------  ---------
                                                                                       ---------  ---------  ---------
</TABLE>
 
    Income tax expense  (benefit) attributable  to income  before income  taxes,
extraordinary  item, and cumulative effect of change in accounting principle for
the years ended February 28, 1994 and 1995 and February 29, 1996 consists of:
<TABLE>
<CAPTION>
                                                                                                     1994
                                                                                      -----------------------------------
                                                                                        CURRENT     DEFERRED      TOTAL
                                                                                      -----------  -----------  ---------
<S>                                                                                   <C>          <C>          <C>
Federal.............................................................................   $   1,764        2,084       3,848
State...............................................................................         666          543       1,209
                                                                                      -----------  -----------  ---------
                                                                                       $   2,430        2,627       5,057
                                                                                      -----------  -----------  ---------
                                                                                      -----------  -----------  ---------
 
<CAPTION>
 
                                                                                                     1995
                                                                                      -----------------------------------
                                                                                        CURRENT     DEFERRED      TOTAL
                                                                                      -----------  -----------  ---------
<S>                                                                                   <C>          <C>          <C>
Federal.............................................................................   $    (668)      (1,184)     (1,852)
State...............................................................................         169         (297)       (128)
                                                                                      -----------  -----------  ---------
                                                                                       $    (499)      (1,481)     (1,980)
                                                                                      -----------  -----------  ---------
                                                                                      -----------  -----------  ---------
<CAPTION>
 
                                                                                                     1996
                                                                                      -----------------------------------
                                                                                        CURRENT     DEFERRED      TOTAL
                                                                                      -----------  -----------  ---------
<S>                                                                                   <C>          <C>          <C>
Federal.............................................................................   $     103          546         649
State...............................................................................         225          132         357
                                                                                      -----------  -----------  ---------
                                                                                       $     328          678       1,006
                                                                                      -----------  -----------  ---------
                                                                                      -----------  -----------  ---------
</TABLE>
 
                                      F-14
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(12)INCOME TAXES (CONTINUED)
    Income tax expense (benefit) differed from the amounts computed by  applying
the  U.S. Federal income tax rate of 34% in 1994, 1995 and 1996 to pretax income
as a result of the following:
 
<TABLE>
<CAPTION>
                                                                                          1994       1995       1996
                                                                                        ---------  ---------  ---------
<S>                                                                                     <C>        <C>        <C>
Computed "expected" tax expense (benefit).............................................  $   4,194     (1,870)       795
Increase (decrease) in income taxes resulting from:
  State income taxes, net of Federal income tax benefit...............................        798       (185)       235
  Other, net..........................................................................         65         75        (24)
                                                                                        ---------  ---------  ---------
                                                                                        $   5,057     (1,980)     1,006
                                                                                        ---------  ---------  ---------
                                                                                        ---------  ---------  ---------
</TABLE>
 
    The tax  effects of  temporary  differences that  give rise  to  significant
portions of the deferred tax assets and deferred tax liabilities at February 28,
1994 and 1995 and February 29, 1996 are presented below:
 
<TABLE>
<CAPTION>
                                                                                      1994       1995       1996
                                                                                   ----------  ---------  ---------
<S>                                                                                <C>         <C>        <C>
Deferred tax assets:
  Compensated absences, principally due to accrual for financial reporting
   purposes......................................................................  $      419        345        343
  Net operating loss carryforwards...............................................       1,786      4,612      4,785
  Alternative minimum tax credit carryforwards...................................       1,103        395        495
  Other..........................................................................         906        844        686
                                                                                   ----------  ---------  ---------
Total gross deferred tax assets..................................................       4,214      6,196      6,309
                                                                                   ----------  ---------  ---------
Deferred tax liabilities:
  Plant and equipment, principally due to differences in depreciation............     (10,337)   (10,354)   (11,843)
  Intangible assets..............................................................      (1,518)    (2,243)    (1,520)
  Other..........................................................................        (323)       (82)      (107)
                                                                                   ----------  ---------  ---------
Total gross deferred liabilities.................................................     (12,178)   (12,679)   (13,470)
                                                                                   ----------  ---------  ---------
Net deferred liability...........................................................  $   (7,964)    (6,483)    (7,161)
                                                                                   ----------  ---------  ---------
                                                                                   ----------  ---------  ---------
</TABLE>
 
    PRI  has  not recorded  a valuation  allowance related  to the  deferred tax
assets, as management believes that it is more likely than not that the  results
of  future operations  will generate  sufficient taxable  income to  realize the
deferred tax assets.
 
    At February 29,  1996 PRI has  net operating loss  carryforwards of  $12,269
which  are  available to  reduce future  taxable income  for Federal  income tax
purposes  under  a  tax   sharing  agreement  with   HPH.  The  operating   loss
carryforwards expire at various dates through 2011.
 
    PRI  also has alternative minimum tax credit carryforwards of $495 which are
available to reduce future Federal income taxes over an indefinite period  under
a tax sharing agreement with HPH.
 
(13)DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS
    Cash,  receivables,  accounts  payable and  accrued  expenses:  The carrying
amounts approximate fair value due to the short maturity of these instruments.
 
    Notes payable: The carrying amounts approximate fair value as a majority  of
the  obligations incur interest  at a market rate.  In addition, the significant
terms of fixed rate  obligations do not differ  materially from those  currently
available to PRI.
 
                                      F-15
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                         NOTES TO FINANCIAL STATEMENTS
 
                FEBRUARY 28, 1994 AND 1995 AND FEBRUARY 29, 1996
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(14)RETIREMENT PLAN
    PRI  has a defined  contribution retirement plan  covering substantially all
employees; contributions are  based upon a  defined percentage of  compensation.
Provisions for the plan's contributions amounted to $673, $775, and $670 for the
years  ended February  28, 1994  and 1995  and February  29, 1996, respectively.
Provisions of the plan include 20% vesting per year.
 
(15)RELATED-PARTY TRANSACTIONS
    PRI has various transactions with Group and HPH. These transactions  include
management fees and reimbursements to HPH of $699, $687 and $662 for each fiscal
year 1994, 1995 and 1996, respectively. Additionally, PRI paid dividends of $115
to  HPH on Series B preferred  stock in 1994, and $2,083  and $2,500 to Group on
common stock in 1994 and 1995, respectively.
 
(16)BUSINESS AND CREDIT CONCENTRATIONS
    PRI's business  is substantially  dependent  on a  limited number  of  large
customers.  In fiscal  years 1994,  1995 and  1996, PRI's  ten largest customers
accounted for approximately 62%,  69% and 78%, respectively,  of its net  sales.
PRI's  largest customers are General Mills (including Yoplait), Dannon, and Ross
Labs, which represented approximately 21.9%, 18.7%, and 15.2%, respectively,  of
PRI's  net sales for fiscal 1996. No  customer other than General Mills, Dannon,
or Ross Labs accounted for more than  5% of PRI's net sales during fiscal  1996.
Accounts  receivable for  General Mills, Dannon,  and Ross  Labs totaled $4,594,
$6,416, and  $5,976  at  February 28,  1994  and  1995 and  February  29,  1996,
respectively.
 
(17)SUBSEQUENT EVENT
    On May 17, 1996, the Company issued $110,000 of 11 5/8% senior secured notes
due  2003. The Company  received net proceeds  from the senior  secured notes of
$106,700. The Company used  these proceeds to retire  the $73,830 principal  and
interest  outstanding under the term and revolving credit agreements and to fund
a dividend to Group in the amount  of $31,761. The remaining proceeds of  $1,109
were retained by the Company for working capital purposes.
 
                                      F-16
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
                           BALANCE SHEETS (UNAUDITED)
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                                          FEBRUARY     MAY 31,
                                ASSETS                                    29, 1996      1996
                                                                         -----------  ---------
<S>                                                                      <C>          <C>
Current assets:
  Cash.................................................................   $     398   $   4,179
  Accounts receivable, net of allowance for doubtful accounts of $156
   and $130 at February 29, 1996 and May 31, 1996, respectively........      10,719      11,670
  Inventories..........................................................      21,394      20,778
  Prepaid expenses.....................................................         690         960
  Deferred income taxes................................................         922         922
                                                                         -----------  ---------
Total current assets...................................................      34,123      38,509
Property, plant, and equipment, net....................................      52,352      52,433
Intangibles, net.......................................................      20,454      20,281
Other assets...........................................................       3,754       5,658
                                                                         -----------  ---------
                                                                          $ 110,683   $ 116,881
                                                                         -----------  ---------
                                                                         -----------  ---------
 
                 LIABILITIES AND STOCKHOLDER'S EQUITY
Current liabilities:
  Current maturities of long-term debt.................................   $  10,350   $     550
  Accounts payable.....................................................       2,615       6,514
  Accrued expenses.....................................................       3,912       4,602
  Income taxes payable.................................................         284         284
                                                                         -----------  ---------
Total current liabilities..............................................      17,161      11,950
                                                                         -----------  ---------
Long-term debt, excluding current maturities...........................      67,174     110,700
Deferred income taxes..................................................       8,083       7,923
                                                                         -----------  ---------
Total liabilities......................................................   $  92,418   $ 130,573
                                                                         -----------  ---------
Stockholder's equity (deficit):
  Common stock, $.01 par value; 1,000 shares authorized, issued, and
   outstanding at February 29, 1996 and May 31, 1996...................      --          --
  Additional paid-in capital...........................................      20,278     (11,483)
  Retained earnings (accumulated deficit)..............................      (2,013)     (2,209)
                                                                         -----------  ---------
Total stockholder's equity (deficit)...................................   $  18,265   $ (13,692)
                                                                         -----------  ---------
                                                                          $ 110,683   $ 116,881
                                                                         -----------  ---------
                                                                         -----------  ---------
</TABLE>
 
           See accompanying notes to unaudited financial statements.
 
                                      F-17
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
                      STATEMENTS OF OPERATIONS (UNAUDITED)
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                                                               THREE MONTHS ENDED
                                                                                                     MAY 31
                                                                                              --------------------
                                                                                                1995       1996
                                                                                              ---------  ---------
<S>                                                                                           <C>        <C>
Net Sales...................................................................................  $  36,335  $  31,316
Cost of goods sold..........................................................................     30,142     25,356
                                                                                              ---------  ---------
Gross Profit................................................................................      6,193      5,960
Selling, general & administrative expenses..................................................      1,796      1,848
Amortization of intangibles and other assets................................................        599        174
                                                                                              ---------  ---------
Operating income............................................................................      3,798      3,938
Interest expense............................................................................      2,769      2,416
                                                                                              ---------  ---------
Income before income taxes and extraordinary item...........................................      1,029      1,522
Income tax expense..........................................................................        422        654
                                                                                              ---------  ---------
Income before extraordinary item............................................................        607        868
Extraordinary item -- write-off of unamortized deferred financing cost, net of tax..........     --          1,064
                                                                                              ---------  ---------
Net income (loss)...........................................................................  $     607  $    (196)
                                                                                              ---------  ---------
                                                                                              ---------  ---------
</TABLE>
 
           See accompanying notes to unaudited financial statements.
 
                                      F-18
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
                      STATEMENTS OF CASH FLOWS (UNAUDITED)
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
<TABLE>
<CAPTION>
                                                                                              THREE MONTHS ENDED
                                                                                                    MAY 31
                                                                                             ---------------------
                                                                                               1995        1996
                                                                                             ---------  ----------
<S>                                                                                          <C>        <C>
Cash flows from operating activities:
  Net income (loss)........................................................................  $     607  $     (196)
  Adjustments to reconcile net income (loss) to net cash provided by (used in) operating
   activities:
    Depreciation and amortization..........................................................      2,879       2,413
    Deferred income taxes..................................................................      1,382        (160)
    Change in assets and liabilities:
      Change in current assets.............................................................      1,321        (605)
      Change in current liabilities........................................................     (2,278)      4,589
    Write-off of unamortized deferred financing costs......................................     --           1,867
                                                                                             ---------  ----------
Net cash provided by operating activities..................................................      3,911       7,908
                                                                                             ---------  ----------
Cash flows from investing activities:
  Proceeds from sale of property, plant, and equipment.....................................         26      --
  Capital expenditures.....................................................................       (740)     (1,942)
                                                                                             ---------  ----------
Net cash used in investing activities......................................................       (714)     (1,942)
                                                                                             ---------  ----------
Cash flows from financing activities:
  Payments under credit agreement..........................................................     (1,000)     (2,250)
  Payments of promissory notes.............................................................       (800)       (550)
  Repayment of indebtedness under old credit agreement.....................................     --         (73,474)
  Proceeds from senior secured notes, net..................................................     --         105,850
  Dividends paid...........................................................................     --         (31,761)
                                                                                             ---------  ----------
Net cash used in financing activities......................................................     (1,800)     (2,185)
                                                                                             ---------  ----------
Net increase in cash.......................................................................      1,397       3,781
Cash at beginning of period................................................................        232         398
                                                                                             ---------  ----------
Cash at end of period......................................................................  $   1,629  $    4,179
                                                                                             ---------  ----------
                                                                                             ---------  ----------
Supplemental disclosure of cash flow information -- cash paid for:
  Interest.................................................................................  $   2,465  $    1,593
  Income taxes.............................................................................  $       8  $       28
                                                                                             ---------  ----------
                                                                                             ---------  ----------
</TABLE>
 
           See accompanying notes to unaudited financial statements.
 
                                      F-19
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                    NOTES TO UNAUDITED FINANCIAL STATEMENTS
 
            (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION)
 
(1) BASIS OF PRESENTATION
    The  balance sheet as of  May 31, 1996 and  the statements of operations and
cash flows for the  three month periods  ended May 31, 1996  and 1995 have  been
prepared   by  management.  In  the   opinion  of  management,  all  adjustments
(consisting only of normal recurring adjustments) necessary for a fair statement
of the financial statements  for the interim periods  included herein have  been
made.  Management recommends the  accompanying financial information  be read in
conjunction with the audited  financial statements and  related notes set  forth
elsewhere herein.
 
    The  results of operations for the three-month period ended May 31, 1996 are
not necessarily indicative of the results to be expected for the full year.
 
(2) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
    (A)  DESCRIPTION OF BUSINESS
 
    Packaging Resources  Incorporated (PRI  or the  Company) is  a wholly  owned
subsidiary  of Packaging Resources  Group, Inc (Group). Group  is a wholly owned
subsidiary of HPH Industries, Ltd (HPH).
 
    The primary business of PRI is the manufacture and sale of plastic packaging
for the  food, dairy,  and pharmaceutical  industries and  promotional  beverage
cups.  PRI has manufacturing facilities in Coleman, Michigan; Fort Worth, Texas;
Kansas City, Missouri; Mt. Carmel, Pennsylvania; and New Vienna, Ohio.
 
    (B)  INVENTORIES
 
    Inventories are  stated at  the lower  of first-in,  first-out cost  or  net
realizable value.
 
    (C)  PROPERTY, PLANT, AND EQUIPMENT
 
    Property, plant, and equipment are stated at cost. Depreciation on plant and
equipment is calculated on the straight-line method over the following estimated
useful lives of the assets:
 
<TABLE>
<S>                                                                 <C>
Furniture and fixtures............................................    5 years
Molds.............................................................  3-5 years
Machinery and equipment...........................................   13 years
Buildings and improvements........................................   25 years
Land improvements.................................................   35 years
</TABLE>
 
    Leasehold  improvements are amortized ratably over  the shorter of the lease
term or estimated useful life of the assets.
 
    (D)  INTANGIBLES
 
    Intangibles consists of  patent costs and  the excess of  the cost over  the
fair  value  of  net assets  purchased.  These  intangibles are  amortized  on a
straight-line  basis  over  their  useful  lives  of  14  years  and  40  years,
respectively.  Accumulated amortization  was $3,865  and $4,038  at February 29,
1996 and May 31, 1996, respectively.
 
    At  each  balance  sheet  date,  PRI  evaluates  the  realizable  value   of
intangibles  on the basis of whether  the intangibles are fully recoverable from
projected, undiscounted net cash flows. Based  on its most recent analysis,  PRI
believes no impairment of the carrying values of intangibles exists.
 
    (E)  OTHER ASSETS
 
    The  debt issuance costs  included in other assets  are amortized over their
respective useful lives on the straight-line method.
 
                                      F-20
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                    NOTES TO UNAUDITED FINANCIAL STATEMENTS
 
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(2) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
    (F)  RETIREMENT PLANS
 
    PRI has two defined contribution retirement plans covering substantially all
of its employees.  PRI's Money Purchase  Retirement Plan is  funded entirely  by
employer   contributions  based  upon  a  defined  percentage  of  participating
employees compensation. PRI also has a  401(k) plan where participants elect  to
have  a designated  percentage of their  salary withheld and  contributed to the
plan.
 
    (G)  USE OF ESTIMATES IN THE PREPARATION OF FINANCIAL STATEMENTS
 
    The  preparation  of  financial  statements  in  conformity  with  generally
accepted accounting principles requires management to make certain estimates and
assumptions  that  affect the  reported amounts  of  assets and  liabilities and
disclosure of  contingent  assets  and  liabilities at  the  date  of  financial
statements  and  the  reported  amounts  of  revenues  and  expenses  during the
reporting period. Actual results could differ from those estimates.
 
(3) INVENTORIES
    Inventories consist of the following at February 29, 1996 and May 31, 1996:
 
<TABLE>
<CAPTION>
                                                                       FEBRUARY 29,   MAY 31,
                                                                           1996        1996
                                                                       ------------  ---------
<S>                                                                    <C>           <C>
Finished goods.......................................................   $   13,065   $  11,635
Raw materials........................................................        4,407       5,017
Supplies and mold materials..........................................        3,922       4,126
                                                                       ------------  ---------
    Total............................................................   $   21,394   $  20,778
                                                                       ------------  ---------
                                                                       ------------  ---------
</TABLE>
 
(4) PROPERTY, PLANT, AND EQUIPMENT
    Property, plant, and equipment consist of the following at February 29, 1996
and May 31, 1996:
 
<TABLE>
<CAPTION>
                                                                      FEBRUARY 29,   MAY 31,
                                                                          1996         1996
                                                                      ------------  ----------
<S>                                                                   <C>           <C>
Land................................................................   $      309   $      309
Buildings...........................................................       10,156       10,156
Machinery, equipment, and fixtures..................................       80,271       80,271
Leasehold improvements..............................................          157          157
Construction in progress............................................        1,562        3,504
                                                                      ------------  ----------
                                                                           92,455       94,397
Less allowance for depreciation and amortization....................      (40,103)     (41,964)
                                                                      ------------  ----------
    Total...........................................................   $   52,352   $   52,433
                                                                      ------------  ----------
                                                                      ------------  ----------
</TABLE>
 
    Construction in progress includes machinery and equipment which have not yet
been placed in service and molds which are in the process of being manufactured.
Depreciation expense for the three months ending  May 31, 1995 and May 31,  1996
was $1,865 and 1,869, respectively.
 
                                      F-21
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                    NOTES TO UNAUDITED FINANCIAL STATEMENTS
 
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(5) OTHER ASSETS
    Other assets consist of the following at February 29, 1996 and May 31, 1996:
 
<TABLE>
<CAPTION>
                                                                      FEBRUARY 29,   MAY 31,
                                                                          1996         1996
                                                                      ------------  ----------
<S>                                                                   <C>           <C>
Debt issuance cost, net.............................................   $    2,213   $    4,125
Leased equipment, net...............................................        1,479        1,469
Other...............................................................           62           64
                                                                      ------------  ----------
                                                                       $    3,754   $    5,658
                                                                      ------------  ----------
                                                                      ------------  ----------
</TABLE>
 
    The debt issuance costs as of February 29, 1996, were incurred in connection
with  the revolving credit  loan, the 12.5% senior  subordinated notes issued by
Group, and the term loan described in note 8. These cost were written-off in May
1996. The debt issuance  costs as of  May 31, 1996  were incurred in  connection
with  the 11 5/8% Senior Secured Notes due 2003 and are being amortized over the
remaining life of  the debt. Amortization  of the deferred  financing costs  was
$415  and  $370 for  the  three months  ended  May 31,  1995  and May  31, 1996,
respectively.
 
(6) LEASES
    PRI has several noncancelable operating  leases for substantial portions  of
the  Company's plant and  office facilities and  machinery and equipment. Leased
plant and office  facilities generally contain  renewal options. Rental  expense
for  operating leases for the  three months ended May 31,  1995 and May 31, 1996
aggregated $539 and $456, respectively.
 
    Additionally, PRI has several facilities which are being subleased.
 
(7) ACCRUED EXPENSES
    Accrued expenses consist of the following  at February 29, 1996 and May  31,
1996:
 
<TABLE>
<CAPTION>
                                                                       FEBRUARY 29,   MAY 31,
                                                                           1996        1996
                                                                       ------------  ---------
<S>                                                                    <C>           <C>
Interest.............................................................   $       27   $     467
Vacation.............................................................        1,056       1,056
Pension..............................................................          985       1,192
Other................................................................        2,128       2,171
                                                                       ------------  ---------
                                                                        $    4,196   $   4,886
                                                                       ------------  ---------
                                                                       ------------  ---------
</TABLE>
 
(8) LONG-TERM DEBT
    On  March  31,  1995,  PRI  restructured  their  credit  facility  and  debt
covenants. In conjunction  with this  restructuring, PRI received  a waiver  for
noncompliance  with certain debt  covenants through March  31, 1995. Thereafter,
PRI was in compliance with all restructured debt covenants.
 
    On May 17, 1996, PRI issued $110 million in 11 5/8% Senior Secured Notes due
2003. The funds from this issuance were used to repay all outstanding borrowings
of the existing senior secured  credit facility of $73.8  million and to fund  a
dividend to Group of $31.8 million. At this time the Company also entered into a
credit agreement that provides for a $20.0 million revolving loan facility.
 
                                      F-22
<PAGE>
                        PACKAGING RESOURCES INCORPORATED
 
                    NOTES TO UNAUDITED FINANCIAL STATEMENTS
 
      (DOLLAR AMOUNTS IN THOUSANDS, EXCEPT SHARE INFORMATION) (CONTINUED)
 
(8) LONG-TERM DEBT (CONTINUED)
    Long-term  debt consist of  the following at  February 29, 1996  and May 31,
1996:
 
<TABLE>
<CAPTION>
                                                                      FEBRUARY 29,   MAY 31,
                                                                          1996         1996
                                                                      ------------  ----------
<S>                                                                   <C>           <C>
Revolving credit loan, interest at Base Rate during, 1995, paid off
 May 17, 1996.......................................................   $   15,000   $   --
Term loan, interest at prime rate plus 1.5%, payable in quarterly
 installments, paid off May 17, 1996................................       60,724       --
Promissory note, interest at prime plus 0.75% and effective March
 12, 1995, interest at prime plus 2.0%, payable in installments
 semiannually through July, 1997....................................        1,500        1,250
Promissory note, interest-bearing at prime plus 1.5% beginning
 January 1995; $800 payable in April, 1995 and $300 payable in
 March, 1996........................................................          300       --
Senior Secured Notes, interest at 11 5/8% paid semi-annual on May 1
 and November 1; notes due May 1, 2003..............................       --          110,000
                                                                      ------------  ----------
                                                                           77,524      111,250
Less current maturities of long-term debt...........................       10,350          550
                                                                      ------------  ----------
                                                                       $   67,174   $  110,700
                                                                      ------------  ----------
                                                                      ------------  ----------
</TABLE>
 
(9) DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS
    Cash, cash equivalents, receivables,  accounts payable and accrue  expenses:
The  carrying amounts approximate fair value due  to the short maturity of these
instruments.
 
    Notes payable: The carrying amounts approximate fair value as a majority  of
the  obligations incur interest  at a market rate.  In addition, the significant
terms of fixed rate  obligations do not differ  materially from those  currently
available to PRI.
 
(10) RETIREMENT PLAN
    PRI  has a defined  contribution retirement plan  covering substantially all
employees and contributions are based upon a defined percentage of compensation.
Provisions for the plan's contributions amounted to $196 and $207 for the  three
months ended May 31, 1995 and May 31, 1996, respectively. Provisions of the plan
include 20% vesting per year.
 
(11) RELATED-PARTY TRANSACTIONS
    PRI  has various transactions with Group and HPH. These transactions include
management fees and reimbursements to HPH of $167 and $162 for the three  months
ended May 31, 1995 and May 31, 1996, respectively.
 
(12) BUSINESS AND CREDIT CONCENTRATIONS
    PRI's  business  is substantially  dependent on  a  limited number  of large
customers. In the three months  ended May 31, 1995 and  May 31, 1996, PRI's  ten
largest  customers accounted for approximately 79% and 78%, respectively, of its
nets sales.  PRI's  largest customers  are  General Mills  (including  Yoplait),
Dannon,  and Ross Labs, which represented approximately 25.4%, 20.6%, and 14.7%,
respectively, of PRI's net  sales for the  three months ended  May 31, 1996.  No
customer  other than General Mills, Dannon, or Ross Labs accounted for more than
5% of PRI's  net sales  during the  three months  ended May  31, 1996.  Accounts
Receivable  from General Mills, Dannon, and  Ross Labs totaled $5,976 and $5,902
at February 29, 1996 and May 31, 1996, respectively.
 
                                      F-23
<PAGE>
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    NO  PERSON HAS BEEN AUTHORIZED IN CONNECTION WITH THE EXCHANGE OFFER MADE BY
THIS PROSPECTUS  TO GIVE  ANY  INFORMATION OR  TO  MAKE ANY  REPRESENTATION  NOT
CONTAINED  IN  THIS  PROSPECTUS  AND,  IF GIVEN  OR  MADE,  SUCH  INFORMATION OR
REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY.
THIS PROSPECTUS DOES NOT CONSTITUTE  AN OFFER TO SELL,  OR A SOLICITATION OF  AN
OFFER  TO BUY, THE EXCHANGE NOTES IN ANY JURISDICTION WHERE, OR TO ANY PERSON TO
WHOM, IT IS UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION. NEITHER THE DELIVERY OF
THIS PROSPECTUS  NOR ANY  SALE MADE  HEREUNDER SHALL,  UNDER ANY  CIRCUMSTANCES,
CREATE ANY IMPLICATION THAT THERE HAS NOT BEEN ANY CHANGE IN THE FACTS SET FORTH
IN THIS PROSPECTUS OR IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                   PAGE
                                                 ---------
<S>                                              <C>
Available Information..........................          i
Prospectus Summary.............................          1
Risk Factors...................................         12
Use of Proceeds................................         18
The Exchange Offer.............................         19
Capitalization.................................         27
Selected Financial Data........................         28
Management's Discussion and Analysis of
 Financial Condition and Results of
 Operations....................................         31
Business.......................................         38
Management.....................................         49
Security Ownership of Certain Beneficial Owners
 and Management................................         53
Certain Transactions...........................         54
Description of Certain Indebtedness............         57
Description of Exchange Notes..................         58
Certain United States Federal Income Tax
 Consequences..................................         85
Old Notes Registration Rights..................         87
Old Notes Transfer Restrictions................         88
Plan of Distribution...........................         90
Legal Matters..................................         91
Experts........................................         91
Index to Financial Statements..................        F-1
</TABLE>
 
                                     [LOGO]
 
                            OFFER TO EXCHANGE $1,000
                            PRINCIPAL AMOUNT OF ITS
                     11 5/8% SENIOR SECURED NOTES DUE 2003
                           WHICH HAVE BEEN REGISTERED
                            UNDER THE SECURITIES ACT
                        FOR EACH $1,000 PRINCIPAL AMOUNT
                               OF ITS OUTSTANDING
                     11 5/8% SENIOR SECURED NOTES DUE 2003
 
                             ---------------------
 
                                   PROSPECTUS
                             ---------------------
 
   
                               THE EXCHANGE AGENT
                           FOR THE EXCHANGE OFFER IS:
                             LASALLE NATIONAL BANK
                          BY FACSIMILE: (312) 904-2236
                    CONFIRMATION BY TELEPHONE:(312) 904-2444
                         BY MAIL OR OVERNIGHT DELIVERY:
                             LaSalle National Bank
                            Corporate Trust Division
                            135 South LaSalle Street
                                   Suite 1825
                            Chicago, Illinois 60603
    
                            Attention: Sarah H. Webb
 
   
                               BY HAND DELIVERY:
                             LaSalle National Bank
                    c/o IBJ Schroder Bank and Trust Company
                          One State Street - Floor SC1
                          Securities Processing Window
                            New York, New York 10004
    
 
   
                                AUGUST 22, 1996
    
 
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