IBP INC
425, 2000-12-13
MEAT PACKING PLANTS
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<PAGE>


                                                      Filed by Tyson Foods, Inc.

                           Pursuant to Rule 425 under the Securities Act of 1933
                                 and deemed filed pursuant to rule 14a-12(b) and
                         Rule 14d-2(b) under the Securities Exchange Act of 1934

                                                      Subject Company: IBP, Inc.
                                                      Commission File No. 1-6085

                                                               December 12, 2000


<PAGE>

                       Offer to Purchase for Cash up to
                50.1% of the Outstanding Shares of Common Stock

                                      of

                                   IBP, inc.

                                      at

                             $26.00 Net Per Share

                                      by

                        Lasso Acquisition Corporation,
                         a wholly-owned subsidiary of

                               Tyson Foods, Inc.

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


    THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00
 MIDNIGHT, NEW YORK CITY TIME, ON WEDNESDAY, JANUARY 10, 2001, UNLESS THE
 OFFER IS EXTENDED.

   THE OFFER IS PART OF A PROPOSAL TO ACQUIRE ALL OF THE OUTSTANDING SHARES IN
A NEGOTIATED TRANSACTION. A SPECIAL COMMITTEE OF INDEPENDENT DIRECTORS OF IBP,
INC. (THE "COMPANY") IS CURRENTLY EVALUATING VARIOUS ACQUISITION PROPOSALS,
INCLUDING THE PROPOSAL OF TYSON FOODS, INC. ("TYSON"). AS PART OF THE PROCESS,
TYSON ENTERED INTO A CONFIDENTIALITY AGREEMENT WITH THE COMPANY THAT PERMITS
TYSON TO MAKE THIS OFFER. TYSON IS COMMENCING THIS OFFER AT THIS TIME IN ORDER
TO BEGIN TO CLEAR REGULATORY HURDLES AND TO GIVE THE COMPANY'S STOCKHOLDERS
THE OPPORTUNITY, IF AND WHEN TYSON AND THE COMPANY ENTER INTO A MERGER
AGREEMENT AS PROPOSED BY TYSON, TO RECEIVE QUICKLY THE CASH CONSIDERATION
OFFERED BY TYSON.

   THE OFFER IS CONDITIONED UPON, AMONG OTHER THINGS, (1) THERE BEING VALIDLY
TENDERED AND NOT WITHDRAWN PRIOR TO THE EXPIRATION DATE OF THE OFFER A NUMBER
OF SHARES OF COMMON STOCK, PAR VALUE $0.05 PER SHARE (THE "SHARES"), OF THE
COMPANY REPRESENTING, TOGETHER WITH THE SHARES OWNED BY TYSON, AT LEAST 50.1%
OF THE TOTAL NUMBER OF OUTSTANDING SHARES (THE "MINIMUM CONDITION"); (2) TYSON
BEING SATISFIED, IN ITS SOLE DISCRETION, THAT THE AGREEMENT AND PLAN OF MERGER
DATED OCTOBER 1, 2000 AMONG THE COMPANY, RAWHIDE HOLDINGS CORPORATION AND
RAWHIDE ACQUISITION CORPORATION HAS BEEN TERMINATED AND THE EXECUTION OF A
DEFINITIVE MERGER AGREEMENT, IN A FORM SATISFACTORY TO TYSON IN ITS SOLE
DISCRETION, AMONG THE COMPANY, TYSON AND LASSO ACQUISITION CORPORATION
("PURCHASER") (THE "MERGER AGREEMENT CONDITION"); (3) TYSON BEING SATISFIED,
IN ITS SOLE DISCRETION, THAT THE PROVISIONS OF SECTION 203 OF THE DELAWARE
GENERAL CORPORATION LAW DO NOT APPLY TO OR OTHERWISE RESTRICT TYSON'S OFFER
AND THE PROPOSED MERGER WITH THE COMPANY (THE "SECTION 203 CONDITION"); AND
(4) ANY WAITING PERIODS UNDER APPLICABLE ANTITRUST LAWS HAVING EXPIRED OR BEEN
TERMINATED. THE OFFER IS ALSO SUBJECT TO OTHER CONDITIONS. SEE "INTRODUCTION"
AND "THE OFFER--CONDITIONS TO THE OFFER".

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

   THIS OFFER IS NOT CONDITIONED UPON TYSON OR PURCHASER OBTAINING FINANCING.
<PAGE>

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

   Tyson has delivered to the Company a form of merger agreement, which is
summarized herein. Tyson intends to continue to seek to negotiate with the
Company with respect to the acquisition of the Company based on this form of
merger agreement. If such negotiations result in a definitive merger agreement
between the Company and Tyson, certain material terms of the Offer may change.
Accordingly, such negotiations could result in, among other things,
modification, extension or termination of the Offer and submission of a
different acquisition proposal to the Company's stockholders for approval.

   If you wish to tender all or any part of your Shares, you should either (i)
complete and sign the Letter of Transmittal (or a facsimile thereof) in
accordance with the instructions in the Letter of Transmittal, have your
signature thereon guaranteed if required by Instruction 1 to the Letter of
Transmittal, mail or deliver the Letter of Transmittal (or such facsimile
thereof) and any other required documents to the Depositary (as defined
herein) and either deliver the certificates for such Shares to the Depositary
along with the Letter of Transmittal (or a facsimile thereof) or deliver such
Shares pursuant to the procedures for book-entry transfers set forth in
Section 4 prior to the expiration date of the Offer or (ii) request your
broker, dealer, commercial bank, trust company or other nominee to effect the
transaction for you. If you have Shares registered in the name of a broker,
dealer, commercial bank, trust company or other nominee, you must contact such
broker, dealer, commercial bank, trust company or other nominee if you desire
to tender your Shares.

   If you desire to tender your Shares and your certificates for such Shares
are not immediately available, or you cannot comply with the procedures for
book-entry transfers described in this Offer to Purchase on a timely basis,
you may tender such Shares by following the procedures for guaranteed delivery
set forth in Section 4.

   A summary of the principal terms of the Offer appears on pages 1-6 hereof.

   If you have questions about the Offer, you can call MacKenzie Partners,
Inc., the information agent for the Offer, or Merrill Lynch, Pierce, Fenner &
Smith Incorporated, the dealer manager for the Offer, at their respective
addresses and telephone numbers set forth on the back cover of this Offer to
Purchase. You can also obtain additional copies of this Offer to Purchase, the
related Letter of Transmittal and the Notice of Guaranteed Delivery from
MacKenzie Partners, Inc., or your broker, dealer, commercial bank, trust
company or other nominee.

   THIS OFFER TO PURCHASE AND THE RELATED LETTER OF TRANSMITTAL CONTAIN
IMPORTANT INFORMATION, AND YOU SHOULD CAREFULLY READ BOTH IN THEIR ENTIRETY
BEFORE YOU MAKE A DECISION WITH RESPECT TO THE OFFER.

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

                     The Dealer Manager for the Offer is:

                              Merrill Lynch & Co.

December 12, 2000
<PAGE>

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

                               TABLE OF CONTENTS

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

<TABLE>
<CAPTION>
                                                                           Page
                                                                           ----
<S>                                                                        <C>
SUMMARY TERM SHEET........................................................   1

INTRODUCTION..............................................................   6

THE OFFER.................................................................   8
  1.  Terms of the Offer; Expiration Date.................................   8
  2.  Extension of Tender Period; Termination; Amendment..................   8
  3.  Acceptance for Payment and Payment..................................   9
  4.  Procedure for Tendering Shares......................................  10
  5.  Withdrawal Rights...................................................  12
  6.  Material Tax Considerations.........................................  12
  7.  Price Range of Shares; Dividends....................................  14
  8.  Certain Information Concerning the Company..........................  15
  9.  Certain Information Concerning Purchaser and Tyson..................  15
  10. Source and Amount of Funds..........................................  17
  11. Background of the Offer; Proposed Merger Agreement..................  17
  12. Purpose and Structure of the Offer; Plans for the Company;
      Dissenters' Rights..................................................  30
  13. Effect of the Offer on the Market for the Shares; Stock Exchange
      Listing(s); Registration under the Exchange Act.....................  30
  14. Dividends and Distributions.........................................  32
  15. Conditions to the Offer.............................................  32
  16. Certain Legal Matters; Regulatory Approvals.........................  33
  17. Fees and Expenses...................................................  35
  18. Miscellaneous.......................................................  35

Schedule I--Directors and Executive Officers of Tyson and Purchaser.......  37

Schedule II--Transactions In Shares.......................................  40
</TABLE>
<PAGE>

                              SUMMARY TERM SHEET

   This summary term sheet is a brief description of the material provisions
of the Offer being made by Tyson Foods, Inc. ("Tyson") through Lasso
Acquisition Corporation ("Purchaser"), a wholly-owned subsidiary of Tyson, to
purchase up to 50.1% of the common stock, par value $0.05 per share, (the
"Common Stock" or "Shares"), of IBP, inc. (the "Company") for $26.00 per Share
net to the seller in cash, without interest. The following are some of the
questions you, as a stockholder of the Company, may have and answers to those
questions. You should carefully read this Offer to Purchase and the
accompanying Letter of Transmittal in their entirety because the information
in this summary term sheet is not complete and additional important
information is contained in the remainder of this Offer to Purchase and the
Letter of Transmittal.

Who is offering to buy my securities? Why?

   Our name is Tyson Foods, Inc. We are a Delaware corporation and are making
the Offer through our wholly-owned subsidiary, Lasso Acquisition Corporation,
a Delaware corporation, which was formed for the purpose of making a tender
offer for the Shares. The tender offer is the first step in our plan to
acquire all of the outstanding Shares.

What are the classes and amounts of securities sought in the Offer?

   We are seeking to purchase up to the number of Shares that represent,
together with Shares owned by Tyson, 50.1% of the outstanding Shares. Tyson
owns 574,200 Shares. The Company's last public disclosure stated that
105,610,334 Shares were outstanding as of November 1, 2000.

What will happen if more than 50.1% of the outstanding Shares are validly
tendered and not withdrawn prior to the expiration date of the Offer?

   If more than the number of Shares that represent, together with Shares
owned by Tyson, 50.1% of the outstanding Shares are validly tendered and not
withdrawn prior to the expiration date of the Offer, we will accept for
payment and pay for only the number of Shares that represent, together with
Shares owned by Tyson, 50.1% of the outstanding Shares on a pro rata basis
(with appropriate adjustments to avoid purchase of fractional Shares) based on
the number of Shares properly tendered by each stockholder prior to or on the
expiration date of the Offer. Preliminary results of proration will be
announced by press release as promptly as practicable after the expiration
date of the Offer. Stockholders may obtain such preliminary information from
MacKenzie Partners, Inc., the information agent for the Offer, and may be able
to obtain such information from their broker.

How much are you offering to pay for my securities and what is the form of
payment? Will I have to pay any fees or commissions?

   We are offering to pay $26.00 per Share, net to you, in cash, without
interest. If you tender your Shares to us in the Offer, you will not have to
pay brokerage fees, commissions or similar expenses. If you own your Shares
through a broker or other nominee, and your broker tenders your Shares on your
behalf, your broker or nominee may charge you a fee for doing so. You should
consult your broker or nominee to determine whether any charges will apply.

Do you have the financial resources to make payment?

   Yes. We will need approximately $1.4 billion to purchase all Shares
pursuant to the Offer and to pay related fees and expenses. It is anticipated
that such funds will be obtained from Tyson's general corporate funds and from
Tyson's existing commercial paper program. Tyson's existing revolving credit
facility provides a back-stop for the issuance of up to $1 billion in
commercial paper. Tyson has received proposals from various financial
institutions to provide a new 364-day term credit facility, which, when
combined with its existing revolving credit facility, would provide a back-
stop for the issuance of up to an additional $2 billion in commercial paper to
fund the acquisition. As of December 11, 2000, the outstanding borrowings
under the commercial paper program were approximately $300 million and the
weighted average interest rate on such commercial paper was 7.02%, with
maturities ranging from 3 to 30 days.


                                       1
<PAGE>

Is your financial condition relevant to my decision to tender in the Offer?

   Because the form of payment in the Offer consists solely of cash and the
Offer is not subject to a financing condition, we do not think our financial
condition is material to your decision whether to tender in the Offer.
However, as noted below, if you do not tender in the Offer, in the subsequent
merger (if it occurs), you will receive, for each Share you hold, shares of
Tyson Class A Common Stock having a value of $26.00 if, during the relevant
pricing period before the merger, the average per share price of Tyson Class A
Common Stock is at least $12.60 and no more than $15.40. This $26.00 value is
subject to adjustment as noted in the Offer to Purchase if the average per
share price of Tyson Class A Common Stock during the pricing period is not in
that range. If you would like additional information about our financial
condition, please see "Certain Information Concerning Purchaser and Tyson--
Available Information."

How long do I have to decide whether to tender in the Offer?

   You have until at least 12:00 Midnight, New York City time, on Wednesday,
January 10, 2001, to decide whether to tender your Shares in the Offer.
Further, if you cannot deliver everything required to make a valid tender to
Wilmington Trust Company, the depositary for the Offer, prior to such time,
you may be able to use a guaranteed delivery procedure, which is described in
"The Offer--Procedure for Tendering Shares."

Can the Offer be extended and under what circumstances?

   We may, in our sole discretion, extend the Offer at any time or from time
to time. We might extend, for instance, if any of the conditions specified in
"The Offer--Conditions to the Offer" are not satisfied prior to the expiration
date of the Offer.

How will I be notified if the Offer is extended?

   If we decide to extend the Offer, we will inform Wilmington Trust Company,
the depositary for the Offer, of that fact and will make a public announcement
of the extension, not later than 9:00 a.m., New York City time, on the
business day after the day on which the Offer was scheduled to expire.

What are the most significant conditions to the Offer?

   The most important conditions to the Offer are the following:

  .  That the Company's stockholders validly tender and do not withdraw prior
     to the expiration date of the Offer the number of Shares representing,
     together with the Shares owned by Tyson, at least 50.1% of the total
     number of outstanding Shares.

  .  That Tyson is satisfied, in its sole discretion, that the Agreement and
     Plan of Merger dated October 1, 2000 among the Company, Rawhide Holdings
     Corporation and Rawhide Acquisition Corporation has been terminated and
     that the Company, Tyson and Purchaser have executed a definitive merger
     agreement in a form satisfactory to Tyson in its sole discretion.

  .  That Tyson is satisfied, in its sole discretion, that the provisions of
     Section 203 of the Delaware General Corporation Law do not apply to or
     otherwise restrict our Offer and the Proposed Merger (as define below).

  .  That any waiting periods under applicable antitrust laws have expired or
     have been terminated.

For a complete list of the conditions to the Offer, see "The Offer--Conditions
to the Offer".

How do I tender my Shares?

   To tender Shares, you must deliver the certificates representing your
Shares, together with a completed Letter of Transmittal, to Wilmington Trust
Company, the depositary for the Offer, not later than the time the Offer
expires. If your Shares are held in street name by your broker, dealer, bank,
trust company or other

                                       2
<PAGE>

nominee, such nominee can tender your Shares through The Depository Trust
Company. If you cannot deliver everything required to make a valid tender to
the depositary prior to the expiration date of the Offer, you may have a
limited amount of additional time by having a broker, a bank or other
fiduciary which is a member of the Securities Transfer Agents Medallion
Program or other eligible institution to guarantee that the missing items will
be received by the depositary within three New York Stock Exchange, Inc., or
NYSE, trading days. However, the depositary must receive the missing items
within that three trading day period.

Until what time can I withdraw tendered Shares?

   You can withdraw tendered Shares at any time until the Offer has expired
and, if we have not by February 9, 2001, agreed to accept your Shares for
payment, you can withdraw them at any time after such time until we accept
Shares for payment.

How do I withdraw tendered Shares?

   To withdraw Shares, you must deliver a written notice of withdrawal, or a
facsimile of one, with the required information to Wilmington Trust Company,
the depositary for the Offer, while you have the right to withdraw the Shares.

When and how will I be paid for my tendered Shares?

   Subject to the terms and conditions of the Offer, we will pay for all
validly tendered and not withdrawn Shares, subject to the proration provisions
noted in the Offer to Purchase, promptly after the expiration date of the
Offer, subject to the satisfaction or waiver of the conditions to the Offer,
as set forth in "The Offer--Conditions to the Offer." We do, however, reserve
the right, in our sole discretion, to delay payment for Shares pending receipt
of any regulatory or governmental approvals to the Offer as described under
the caption "The Offer--Certain Legal Matters; Regulatory Approvals". We will
pay for your validly tendered and not withdrawn Shares by depositing the
purchase price with Wilmington Trust Company, the depositary for the Offer,
which will act as your agent for the purpose of receiving payments from us and
transmitting such payments to you. In all cases, payment for tendered Shares
will be made only after timely receipt by Wilmington Trust Company of
certificates for such Shares (or of a confirmation of a book-entry transfer of
such Shares as described in "The Offer--Procedure for Tendering Shares"), a
properly completed and duly executed Letter of Transmittal and any other
required documents for such Shares.

What does the board of directors of the Company think of this Offer?

   The special committee of the board of directors of the Company has
responded to our original proposal by entering into a confidentiality
agreement with us and providing access to due diligence. For more information,
see "Background of the Offer; Proposed Merger Agreement". However, the
Company's board of directors has not approved the Offer or otherwise commented
on it as of the date of mailing of this Offer to Purchase. Within ten business
days after the date of this Offer, the Company is required by law to publish,
send or give to you (and file with the Securities and Exchange Commission
("SEC")) a statement as to whether it recommends acceptance or rejection of
this Offer, that it has no opinion with respect to this Offer or that it is
unable to take a position with respect to this Offer.

Will the Offer be followed by a merger?

   If we enter into a merger agreement with the Company and if we accept for
payment and pay for the number of Shares that represent, together with Shares
owned by Tyson, 50.1% of the outstanding Shares (or fewer Shares, if we waive
the Minimum Condition), we intend to consummate a second step merger with the
Company in which the Company is expected to be merged with and into the
Purchaser to become a wholly-owned subsidiary of Tyson. Additionally, if we
accept for payment and pay for the number of Shares that represent, together
with Shares owned by Tyson, 50.1% of the outstanding Shares, we would have
sufficient voting power to approve the merger without the affirmative vote of
any other stockholder of the Company. If that merger takes place, Tyson

                                       3
<PAGE>

will own all of the Shares and all remaining stockholders (other than Tyson,
Purchaser, or other subsidiaries of Tyson) will receive, for each Share they
hold, shares of Tyson Class A Common Stock having a value of $26.00 if, during
the relevant pricing period before the merger, the average per share price of
Tyson Class A Common Stock is at least $12.60 and no more than $15.40. This
$26.00 value is subject to adjustment if the average per share price of Tyson
Class A Common Stock during the pricing period is not in that range.

If the number of Shares that represent, together with Shares owned by Tyson,
50.1% of the outstanding Shares are tendered and accepted for payment, will
the Company continue as a public company?

   Yes; however, if and when the merger takes place, the Company will no
longer be publicly owned. It is possible that, following the expiration date
of the Offer and prior to the merger, if we purchase all the tendered Shares,
there may be so few remaining stockholders and publicly held Shares that the
Shares will no longer be eligible to be traded on the NYSE or any other
securities exchange, there may not be an active public trading market (or,
possibly, any public trading market) for the Shares, and the Company may cease
making filings with the SEC or otherwise cease being required to comply with
the SEC rules relating to publicly held companies.

If I decide not to tender, how will the Offer affect my Shares?

   As indicated above, if the Offer is successful, we expect to conclude a
merger transaction in which all stockholders not tendering in the Offer (other
than Tyson, Purchaser and any other subsidiary of Tyson) will receive, for
each Share they hold, shares of Tyson Class A Common Stock having a value of
$26.00 if, during the relevant pricing period before the merger, the average
per share price of Tyson Class A Common Stock is at least $12.60 and no more
than $15.40. This $26.00 value is subject to adjustment if the average per
share price of Tyson Class A Common Stock during the pricing period is not in
that range. Therefore, if the merger takes place and Tyson Class A Common
Stock has traded in that range, the difference to you between tendering your
Shares and not tendering your Shares is that you will be paid in cash if you
tender your Shares in the Offer and will receive shares of Tyson Class A
Common Stock in exchange for your Shares if you do not tender in the Offer. If
Tyson Class A Common Stock has not traded in that range, the difference to you
is that you would receive $26.00 per share in cash if you tender your Shares
in the Offer, but will receive shares of Tyson Class A Common Stock having a
value of more than $26.00 per Share if the average price is more than $15.40
or having a value of less than $26.00 per Share if the average price is less
than $12.60. However, if the merger does not take place and the Offer is
consummated, the number of stockholders and Shares that are still in the hands
of the public may be so small that there will no longer be an active public
trading market (or, possibly, any public trading market) for the Shares, which
may affect prices at which Shares trade. Also, as described above, the Company
may cease making filings with the SEC or otherwise being required to comply
with the SEC rules relating to publicly held companies.

Are appraisal rights available in either the Offer or the merger?

   Appraisal rights are not available in the Offer. Appraisal rights will not
be available to holders of the Shares in connection with the proposed merger
if both of the following are true:

  .  if at the date fixed to determine the stockholders entitled to notice of
     and to vote on the proposed merger, the Shares are registered on a
     national securities exchange or traded on Nasdaq, and

  .  if the shares of Tyson Class A Common Stock at the effective time of the
     proposed merger are either listed on a national securities exchange or
     traded on Nasdaq.

As of the date of this Offer to Purchase, the Shares and the Tyson Class A
Common Stock are each listed on the NYSE.

                                       4
<PAGE>

What is the market value of my Shares as of a recent date?

   On September 29, 2000, the last full trading day before the date the
Company entered into the Agreement and Plan of Merger dated October 1, 2000
among the Company, Rawhide Holdings Corporation and Rawhide Acquisition
Corporation, the closing price of a Share of the Company was $18.31. On
November 10, 2000, the last full trading day before the date Smithfield Foods,
Inc. made its unsolicited proposal to the special committee of the board of
directors of the Company for a stock-for-stock merger, the closing price of a
Share of the Company was $20.88.

   Between January 1, 2000 and December 11, 2000, the closing price of a Share
ranged between $11.19 and $25.88, and on December 11, 2000, the last full
trading day before the date of this Offer to Purchase, the closing price of a
Share of the Company was $25.88. We advise you to obtain a recent quotation
for Shares before deciding whether to tender your Shares.

Who can I talk to if I have questions about the Offer?

   You can call MacKenzie Partners, Inc., the information agent for the Offer,
at (800) 322-2885 (toll free) or Merrill Lynch, Pierce, Fenner & Smith
Incorporated, the dealer manager for the Offer, at (212) 236-3790 (call
collect).

                                       5
<PAGE>

To the Holders of Common Stock of IBP, inc.:

                                 INTRODUCTION

   We, Tyson Foods, Inc., a Delaware corporation ("Tyson"), through our wholly
owned subsidiary Lasso Acquisition Corporation, a Delaware corporation
("Purchaser"), hereby offer to purchase up to the number of Shares that
represent, together with Shares owned by Tyson, 50.1% (the "Maximum Amount")
of the outstanding common stock, par value $0.05 per share (the "Shares"), of
IBP, inc., a Delaware corporation (the "Company"), at $26.00 per Share, net to
the seller in cash, without interest, upon the terms and subject to the
conditions set forth in this Offer to Purchase and in the related Letter of
Transmittal (which together, as amended, supplemented or otherwise modified
from time to time, constitute the "Offer"). You will not be obligated to pay
brokerage fees, commissions or, except as set forth in Instruction 6 of the
Letter of Transmittal, transfer taxes on the sale of Shares pursuant to the
Offer. We will pay all charges and expenses of Merrill Lynch, Pierce, Fenner &
Smith Incorporated (the "Dealer Manager" or "Merrill Lynch"), Wilmington Trust
Company (the "Depositary") and MacKenzie Partners, Inc. (the "Information
Agent") incurred in connection with the Offer. See "The Offer--Fees and
Expenses".

   The purpose of the Offer and the proposed second-step merger is to enable
Tyson to acquire control of, and the entire equity interest in, the Company.
Tyson has delivered to the Company a form of merger agreement, which is
summarized herein. Tyson intends to continue to seek to negotiate with the
Company with respect to the acquisition of the Company based on such form of
merger agreement. If such negotiations result in a definitive merger agreement
between the Company and Tyson, certain material terms of the Offer may change.
Accordingly, such negotiations could result in, among other things,
modification, extension or termination of the Offer and submission of a
different acquisition proposal to the Company's stockholders for approval.
Tyson currently intends, as soon as practicable following consummation of the
Offer, to seek to have the Company consummate a merger with and into Purchaser
with the Purchaser continuing as the surviving corporation (the "Proposed
Merger"), pursuant to which each then remaining Share outstanding (other than
Shares owned by Tyson, Purchaser or other subsidiaries of Tyson) would be
converted into the right to receive shares of Class A common stock, par value
$0.10 per share, of Tyson ("Tyson Class A Common Stock") having a value of
$26.00 if, during the relevant pricing period before the Proposed Merger, the
average per share price of Tyson Class A Common Stock is at least $12.60 and
no more than $15.40. If Tyson Class A Common Stock has not traded in that
range, the difference to you is that you would receive $26.00 per share in
cash if you tender your Shares in the Offer, but will receive shares of Tyson
Class A Common Stock having a value of more than $26.00 per Share if the
average price is more than $15.40 or having a value of less than $26.00 per
Share if the average price is less than $12.60. This $26.00 value is subject
to change if the average per share price of Tyson Class A Common Stock is not
in that range and the value you will receive will be proportionately changed.

   The Offer is conditioned upon, among other things, (1) there being validly
tendered and not withdrawn prior to the expiration date of the Offer a number
of Shares representing, together with the Shares owned by Tyson, at least
50.1% of the total number of outstanding Shares (the "Minimum Condition"); (2)
Tyson being satisfied, in its sole discretion, that the Agreement and Plan of
Merger dated October 1, 2000 among the Company, Rawhide Holdings Corporation
and Rawhide Acquisition Corporation (the "Rawhide Agreement") has been
terminated and the execution of a definitive merger agreement, in form
satisfactory to Tyson in its sole discretion, among the Company, Tyson and
Purchaser (the "Merger Agreement Condition"); (3) Tyson being satisfied, in
its sole discretion, that the provisions of Section 203 of the Delaware
General Corporation Law ("DGCL") do not apply to or otherwise restrict Tyson's
Offer and the Proposed Merger with the Company (the "Section 203 Condition");
and (4) any waiting periods under applicable antitrust laws having expired or
been terminated. The Offer is also subject to other conditions.

   In the event the Offer is terminated or not consummated, or after the
expiration date of the Offer and pending the consummation of the Proposed
Merger, in accordance with applicable law and subject to the terms of a
confidentiality agreement entered into with the Company and any merger
agreement that it may enter into

                                       6
<PAGE>

with the Company, Tyson may explore any and all options which may be
available. In this regard, and after expiration or termination of the Offer,
Tyson may seek to acquire additional Shares, through open market purchases,
privately negotiated transactions, a tender offer or exchange offer or
otherwise, upon such terms and at such prices as Tyson may determine, which,
in the case of Shares, may be more or less than the price to be paid per Share
pursuant to the Offer and could be for cash or other consideration.

   THE OFFER DOES NOT CONSTITUTE A SOLICITATION OF PROXIES FOR ANY MEETING OF
STOCKHOLDERS OF THE COMPANY OR ANY OFFER TO SELL OR SOLICITATION OF OFFERS TO
BUY TYSON CLASS A COMMON STOCK OR OTHER SECURITIES. ANY SUCH SOLICITATION WILL
BE MADE ONLY PURSUANT TO SEPARATE PROXY MATERIALS PURSUANT TO THE REQUIREMENTS
OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (THE "EXCHANGE ACT"), AND
ANY SUCH OFFER WILL BE MADE ONLY THROUGH A REGISTRATION STATEMENT AND THE
PROSPECTUS PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS
AMENDED.

   THIS OFFER TO PURCHASE AND THE RELATED LETTER OF TRANSMITTAL CONTAIN
IMPORTANT INFORMATION, AND YOU SHOULD CAREFULLY READ BOTH IN THEIR ENTIRETY
BEFORE YOU MAKE A DECISION WITH RESPECT TO THE OFFER.

                                       7
<PAGE>

                                   THE OFFER

   1. Terms of the Offer; Expiration Date. On the terms and subject to the
conditions set forth in this Offer to Purchase, we will accept for payment and
pay for up to the number of Shares that represent, together with Shares owned
by Tyson, 50.1% of the outstanding Shares that are validly tendered prior to
the Expiration Date and not withdrawn.

   To the extent more than the number of Shares that represent, together with
Shares owned by Tyson, 50.1% of the outstanding Shares are tendered in the
Offer, we will purchase a number of Shares tendered in the Offer that
represent, together with Shares owned by Tyson, 50.1% of the outstanding
Shares on a pro rata basis (with appropriate adjustment to avoid purchase of
fractional Shares) based on the number of Shares properly tendered by each
stockholder prior to the Expiration Date and not withdrawn. See "The Offer--
Acceptance for Payment and Payment."

   "Expiration Date" means 12:00 Midnight, New York City time, on Wednesday,
January 10, 2001, unless we extend the period of time for which the Offer is
open, in which event "Expiration Date" means the latest time and date at which
the Offer, as so extended, shall expire.

   The Offer is conditioned upon, among other things, (1) the Minimum
Condition having been satisfied, (2) the Merger Agreement Condition having
been satisfied in Tyson's sole discretion, (3) the Section 203 Condition
having been satisfied in Tyson's sole discretion, and (4) any waiting periods
under applicable antitrust laws having expired or been terminated. The Offer
is also subject to other conditions as described in "The Offer--Conditions to
the Offer". If any such condition is not satisfied, we may (a) terminate the
Offer and return all tendered Shares; or (b) extend the Offer and, subject to
certain conditions and to your withdrawal rights as set forth in "The Offer--
Withdrawal Rights", retain all Shares until the expiration date of the Offer
as so extended; or (c) waive the Minimum Condition and, subject to any
requirement to extend the period of time during which the Offer is open,
purchase all Shares validly tendered prior to the Expiration Date and not
withdrawn or delay acceptance for payment or payment for Shares, subject to
applicable law, until satisfaction or waiver of the conditions to the Offer.
For a description of our right to extend, amend, delay or terminate the Offer,
see "The Offer--Extension of the Tender Period; Termination; Amendment," and
"The Offer--Conditions to the Offer".

   According to the Company's Quarterly Report on Form 10-Q for the quarter
ended September 23, 2000, as of November 1, 2000, there were 105,610,334
Shares outstanding. On the date hereof, Tyson owns 574,200 Shares. Based on
this information, the Minimum Condition would be satisfied if 52,336,577
Shares are validly tendered and not withdrawn prior to the Expiration Date.

   2. Extension of Tender Period; Termination; Amendment. We reserve the right
to extend the Expiration Date, in our sole discretion, if at the then-
scheduled Expiration Date any of the conditions to the Offer have not been
satisfied or waived. We also have the right to extend the Offer for any period
required by any rule, regulation, interpretation or position of the Securities
and Exchange Commission (the "SEC") or the SEC staff applicable to the Offer
or any period required by applicable law. We expressly reserve the right to
waive any of the conditions to the Offer and to make any change in the terms
of our conditions to the Offer.

   If we increase or decrease the percentage of Shares being sought or
increase or decrease the consideration to be paid for Shares pursuant to the
Offer and the Offer is scheduled to expire at any time before the expiration
of a period of 10 business days from, and including, the date that notice of
such increase or decrease is first published, sent or given in the manner
specified below, the Offer will be extended until the expiration of such
period of 10 business days. If we make a material change in the terms of the
Offer (other than a change in price or percentage of securities sought) or in
the information concerning the Offer, or waive a material condition of the
Offer, we will extend the Offer, if required by applicable law, for a period
sufficient to allow you to consider the amended terms of the Offer. In a
published release, the SEC has stated that in its view an offer must remain
open for a minimum period of time following a material change in the terms of
such offer and that the waiver of a condition such as the Minimum Condition is
a material change in the terms of an offer. The release states that an offer
should remain open for a minimum of five business days from the date the
material change is first published, sent or given to stockholders, and that if
material changes are made with respect to information that

                                       8
<PAGE>

approaches the significance of price and percentage of Shares sought, a minimum
of 10 business days may be required to allow adequate dissemination and
investor response. "Business day" means any day other than Saturday, Sunday or
a federal holiday and shall consist of the time period from 12:01 A.M. through
12:00 Midnight, New York City time.

   Any extension, delay, termination, waiver or amendment will be followed as
promptly as practicable by public announcement, in the case of an extension of
the Offer to be made no later than 9:00 A.M., New York City time, on the next
business day after the previously scheduled Expiration Date, in accordance with
the public announcement requirements of Rule 14e-1(d) under the Exchange Act.
Subject to applicable law (including Rules 14d-4(d) and 14d-6(c) under the
Exchange Act, which require that material changes in the information published,
sent or given to any stockholders in connection with the Offer be promptly
disseminated to stockholders in a manner reasonably designed to inform them of
such changes), and without limiting the manner in which we may choose to make
any public announcement, we have no obligation to publish, advertise or
otherwise communicate any public announcement other than by issuing a press
release to the Dow Jones News Service.

   If we extend the time during which the Offer is open, or if we are delayed
in its acceptance for payment of or payment for Shares pursuant to the Offer
for any reason, then, without prejudice to our rights under the Offer, the
Depositary may retain tendered Shares on our behalf and those Shares may not be
withdrawn except to the extent tendering stockholders are entitled to
withdrawal rights as described herein under "The Offer--Withdrawal Rights."
However, our ability to delay the payment for Shares that we have accepted for
payment is limited by Rule 14e-1(c) under the Exchange Act, which requires that
a bidder pay the consideration offered or return the securities deposited by or
on behalf of stockholders promptly after the termination or withdrawal of such
bidder's offer.

   Pursuant to Rule 14d-5 under the Exchange Act and Section 220 of the
Delaware General Corporation Law, requests are being made to the Company for
the use of the Company's stockholder lists and security position listings for
the purpose of disseminating the Offer to holders of Shares. Upon compliance by
the Company with such request, this Offer to Purchase and the Letter of
Transmittal will be mailed to record holders of Shares and will be furnished to
brokers, dealers, commercial banks, trust companies and similar persons whose
names, or the names of whose nominees, appear on the stockholder lists for
subsequent transmittal to beneficial owners of Shares.

   3. Acceptance for Payment and Payment. Upon the terms and subject to the
conditions of the Offer, we will accept for payment and pay for, promptly after
the Expiration Date, up to the number of Shares that represent, together with
Shares owned by Tyson, 50.1% of the outstanding Shares that are validly
tendered prior to the Expiration Date and not withdrawn, subject to the
satisfaction or waiver of the conditions set forth in "The Offer--Conditions to
the Offer." In addition, we reserve the right, subject to compliance with Rule
14e-1(c) under the Exchange Act, to delay the acceptance for payment or payment
for Shares pending receipt of any regulatory or governmental approvals to the
Offer as described under the caption "The Offer--Certain Legal Matters;
Regulatory Approvals". For a description of our right to terminate the Offer
and not accept for payment or pay for Shares or to delay acceptance for payment
or payment for Shares, see "The Offer--Extension of Tender Period; Termination;
Amendment".

   For purposes of the Offer, we shall be deemed to have accepted for payment
tendered Shares when, as and if we give oral or written notice of our
acceptance to the Depositary. We will pay for Shares accepted for payment
pursuant to the Offer by depositing the purchase price with the Depositary. The
Depositary will act as your agent for the purpose of receiving payments from us
and transmitting such payments to you. In all cases, payment for Shares
accepted for payment pursuant to the Offer will be made only after timely
receipt by the Depositary of certificates for such Shares (or of a confirmation
of a book-entry transfer of such Shares into the Depositary's account at the
Book-Entry Transfer Facility (as defined in "The Offer--Procedure for Tendering
Shares")), a properly completed and duly executed Letter of Transmittal and any
other required documents. Accordingly, payment may be made to tendering
stockholders at different times if delivery of the Shares and other required

                                       9
<PAGE>

documents occurs at different times. For a description of the procedure for
tendering Shares pursuant to the Offer, see "The Offer--Procedure for Tendering
Shares".

   Under no circumstances will we pay interest on the consideration paid for
Shares pursuant to the Offer, regardless of any delay in making such payment.
If we increase the consideration to be paid for Shares pursuant to the Offer,
we will pay such increased consideration for all Shares purchased pursuant to
the Offer.

   We reserve the right to transfer or assign, in whole or from time to time in
part, to one or more of our affiliates the right to purchase Shares tendered
pursuant to the Offer, but any such transfer or assignment will not relieve us
of our obligations under the Offer or prejudice your rights to receive payment
for Shares validly tendered and accepted for payment. If any tendered Shares
are not purchased pursuant to the Offer for any reason, or if certificates are
submitted for more Shares than are tendered, certificates for such unpurchased
or untendered Shares will be returned (or, in the case of Shares tendered by
book-entry transfer, such Shares will be credited to an account maintained at
the Book-Entry Transfer Facility as defined below), without expense to you, as
promptly as practicable following the expiration or termination of the Offer.

   If more than the number of Shares that represent, together with Shares owned
by Tyson, 50.1% of the outstanding Shares are validly tendered and not
withdrawn prior to the Expiration Date, we will accept for payment and pay for
only the number of Shares that represent, together with Shares owned by Tyson,
50.1% of the outstanding Shares on a pro rata basis (with appropriate
adjustments to avoid purchase of fractional Shares) based on the number of
Shares properly tendered by each stockholder prior to or on the Expiration Date
and not withdrawn. Preliminary results of proration will be announced by press
release as promptly as practicable after the Expiration Date. Stockholders may
obtain such preliminary information from the Information Agent and may be able
to obtain such information from their broker.

   4. Procedure for Tendering Shares. To tender Shares pursuant to the Offer,
either (i) the Depositary must receive at one of its addresses set forth on the
back cover of this Offer to Purchase (A) a properly completed and duly executed
Letter of Transmittal and any other documents required by the Letter of
Transmittal and (B) certificates for the Shares to be tendered or delivery of
such Shares pursuant to the procedures for book-entry transfer described below
(and a confirmation of such delivery including an Agent's Message (as defined
below) if the tendering stockholder has not delivered a Letter of Transmittal),
in each case by the Expiration Date, or (ii) the guaranteed delivery procedure
described below must be complied with.

   Book Entry Delivery. The Depositary will establish an account with respect
to the Shares at The Depository Trust Company (the "Book-Entry Transfer
Facility") for purposes of the Offer within two business days after the date of
this Offer to Purchase, and any financial institution that is a participant in
the system of the Book-Entry Transfer Facility may make delivery of Shares by
causing the Book-Entry Transfer Facility to transfer such Shares into the
Depositary's account in accordance with the procedures of the Book-Entry
Transfer Facility. However, although delivery of Shares may be effected through
book-entry transfer, the Letter of Transmittal properly completed and duly
executed together with any required signature guarantees or an Agent's Message
and any other required documents must, in any case, be received by the
Depositary at one of its addresses set forth on the back cover of this Offer to
Purchase by the Expiration Date, or the guaranteed delivery procedure described
below must be complied with. Delivery of the Letter of Transmittal and any
other required documents to the Book-Entry Transfer Facility does not
constitute delivery to the Depositary. "Agent's Message" means a message,
transmitted by the Book-Entry Transfer Facility to, and received by, the
Depositary and forming a part of a book-entry confirmation which states that
the Book-Entry Transfer Facility has received an express acknowledgment from
the participant in the Book-Entry Transfer Facility tendering the Shares that
are the subject of such book-entry confirmation which such participant has
received, and agrees to be bound by, the terms of the Letter of Transmittal and
that the Company may enforce such agreement against such participant.

   Signature Guarantees. Except as otherwise provided below, all signatures on
a Letter of Transmittal must be guaranteed by a financial institution
(including most banks, savings and loan associations and brokerage houses) that
is a member of a recognized Medallion Program approved by The Securities
Transfer Association

                                       10
<PAGE>

Inc., including the Securities Transfer Agents Medallion Program (STAMP), the
Stock Exchange Medallion Program (SEMP) and the New York Stock Exchange, Inc.
("NYSE") Medallion Signature Program (MSP) (each an "Eligible Institution").
Signatures on a Letter of Transmittal need not be guaranteed (i) if the Letter
of Transmittal is signed by the registered holder of the Shares tendered
therewith and such holder has not completed the box entitled "Special Payment
Instructions" on the Letter of Transmittal or (ii) if such Shares are tendered
for the account of an Eligible Institution. See Instructions 1 and 5 of the
Letter of Transmittal.

   Guaranteed Delivery. If you wish to tender Shares pursuant to the Offer and
cannot deliver such Shares and all other required documents to the Depositary
by the Expiration Date, or cannot complete the procedure for delivery by book-
entry transfer on a timely basis, you may nevertheless tender such Shares if
all of the following conditions are met:

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

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

     (iii) the certificates for such Shares (or a confirmation of a book-
  entry transfer of such Shares into the Depositary's account at the Book-
  Entry Transfer Facility), together with a properly completed and duly
  executed Letter of Transmittal (or facsimile thereof) with any required
  signature guarantee or an Agent's Message and any other documents required
  by the Letter of Transmittal, are received by the Depositary within three
  NYSE trading days after the date of execution of the Notice of Guaranteed
  Delivery.

   The Notice of Guaranteed Delivery may be delivered by hand or transmitted by
facsimile transmission or mail to the Depositary and must include a guarantee
by an Eligible Institution in the form set forth in such Notice. The method of
delivery of Shares and all other required documents, including through the
Book-Entry Transfer Facility, is at your option and risk, and the delivery will
be deemed made only when actually received by the Depositary. If certificates
for Shares are sent by mail, we recommend registered mail with return receipt
requested, properly insured.

   Back-up Withholding. Under the federal income tax laws, the Depositary will
be required to withhold 31% of the amount of any payments made to certain
stockholders pursuant to the Offer. In order to avoid such backup withholding,
you must provide the Depositary with your correct taxpayer identification
number and certify that you are not subject to such backup withholding by
completing the Substitute Form W-9 included in the Letter of Transmittal. If
you are a non-resident alien or foreign entity not subject to back-up
withholding, you must give the Depositary a completed Form W-8 Certificate of
Foreign Status prior to receipt of any payment.

   Grant of Proxy. By executing a Letter of Transmittal (or delivering an
Agent's Message), you irrevocably appoint our designees as your proxies in the
manner set forth in the Letter of Transmittal to the full extent of your rights
with respect to the Shares tendered and accepted for payment by us (and any and
all other Shares or other securities issued or issuable in respect of such
Shares on or after December 12, 2000). All such proxies are irrevocable and
coupled with an interest in the tendered Shares. Such appointment is effective
only upon our acceptance for payment of such Shares. Upon such acceptance for
payment, all prior proxies and consents granted by you with respect to such
Shares and other securities will, without further action, be revoked, and no
subsequent proxies may be given nor subsequent written consents executed (and,
if previously given or executed, will cease to be effective). Our designees
will be empowered to exercise all your voting and other rights as they, in
their sole discretion, may deem proper at any annual, special or adjourned
meeting of the Company's stockholders, by written consent or otherwise. We
reserve the right to require that, in order for Shares to be validly tendered,
immediately upon our acceptance for payment of such Shares, we are able to
exercise full voting rights with respect to such Shares and other securities
(including voting at any meeting of stockholders then scheduled or acting by
written consent without a meeting).

   The tender of Shares pursuant to any one of the procedures described above
will constitute your acceptance of the Offer, as well as your representation
and warranty that (i) you own the Shares being tendered within the

                                       11
<PAGE>

meaning of Rule 14e-4 promulgated under the Exchange Act, (ii) the tender of
such Shares complies with Rule 14e-4 and (iii) you have the full power and
authority to tender, sell, assign and transfer the Shares tendered, as
specified in the Letter of Transmittal. Our acceptance for payment of Shares
tendered by you pursuant to the Offer will constitute a binding agreement
between us with respect to such Shares, upon the terms and subject to the
conditions of the Offer.

   Validity. We will determine, in our sole discretion, all questions as to the
form of documents and the validity, eligibility (including time of receipt) and
acceptance for payment of any tender of Shares, and our determination shall be
final and binding. We reserve the absolute right to reject any or all tenders
of Shares that we determine not to be in proper form or the acceptance for
payment of or payment for which may, in the opinion of our counsel, be
unlawful. We also reserve the absolute right to waive any defect or
irregularity in any tender of Shares. Our interpretation of the terms and
conditions of the Offer will be final and binding. None of Tyson, Purchaser,
the Dealer Manager, the Depositary, the Information Agent or any other person
will be under any duty to give notification of any defect or irregularity in
tenders or waiver of any such defect or irregularity or incur any liability for
failure to give any such notification.

   5. Withdrawal Rights. You may withdraw tenders of Shares made pursuant to
the Offer at any time prior to the Expiration Date. Thereafter, such tenders
are irrevocable, except that they may be withdrawn after February 9, 2001
unless such Shares are accepted for payment as provided in this Offer to
Purchase. If we extend the period of time during which the Offer is open, are
delayed in accepting for payment or paying for Shares pursuant to the Offer for
any reason, then, without prejudice to our rights under the Offer, the
Depositary may, on our behalf, retain all Shares tendered, and such Shares may
not be withdrawn except as otherwise provided in this Section.

   To withdraw tendered Shares, a written or facsimile transmission notice of
withdrawal with respect to the Shares must be timely received by the Depositary
at one of its addresses set forth on the back cover of this Offer to Purchase,
and the notice of withdrawal must specify the name of the person who tendered
the Shares to be withdrawn and the number of Shares to be withdrawn and the
name of the registered holder of Shares, if different from that of the person
who tendered such Shares. If the Shares to be withdrawn have been delivered to
the Depositary, a signed notice of withdrawal with (except in the case of
Shares tendered by an Eligible Institution) signatures guaranteed by an
Eligible Institution must be submitted prior to the release of such Shares. In
addition, such notice must specify, in the case of Shares tendered by delivery
of certificates, the name of the registered holder (if different from that of
the tendering stockholder) and the serial numbers shown on the particular
certificates evidencing the Shares to be withdrawn or, in the case of Shares
tendered by book-entry transfer, the name and number of the account at the
Book-Entry Transfer Facility to be credited with the withdrawn Shares.
Withdrawals may not be rescinded, and Shares withdrawn will thereafter be
deemed not validly tendered for purposes of the Offer. However, withdrawn
Shares may be re-entered by again following one of the procedures described in
"The Offer--Procedures for Tendering Shares" at any time prior to the
Expiration Date.

   We will determine, in our sole discretion, all questions as to the form and
validity (including time of receipt) of any notice of withdrawal, and our
determination shall be final and binding. None of Purchaser, the Dealer
Manager, the Depositary, the Information Agent or any other person will be
under any duty to give notification of any defect or irregularity in any notice
of withdrawal or waiver of any such defect or irregularity or incur any
liability for failure to give any such notification.

   6. Material Tax Considerations. The following discussion is a summary of
material United States federal income tax consequences of the Offer and the
Proposed Merger to the holders of Shares who hold their Shares as capital
assets. This discussion is based on the Internal Revenue Code of 1986, as
amended (the "Code"), applicable Treasury regulations, and administrative and
judicial interpretations thereof, each as in effect as of the date of this
Offer to Purchase, all of which may change, possibly with retroactive effect.

   This discussion does not address all aspects of federal income taxation that
may be relevant to a holder of Shares in light of that holder's particular
circumstances or to a holder subject to special rules, such as (i) a

                                       12
<PAGE>

stockholder who is not a citizen or resident of the United States, (ii) a
financial institution or insurance company, (iii) a tax-exempt organization,
(iv) a dealer or broker in securities, (v) a stockholder that holds its Shares
as part of a hedge, straddle, constructive sale, conversion transaction or
other integrated transaction, or (vi) a stockholder that acquired its Shares
pursuant to the exercise of options or otherwise as compensation. In addition,
this discussion does not address any state, local or foreign tax consequences
of the Offer or the Proposed Merger. We urge each holder of Shares to consult
its own tax advisor to determine the particular federal income tax or other tax
consequences to it of participation in the Offer and to determine whether it
should participate in the Offer or the Proposed Merger.

   Assuming that the Offer and the Proposed Merger are treated for federal
income tax purposes as a reorganization within the meaning of Section 368(a) of
the Code (and Tyson, Purchaser and the Company are included as parties to that
reorganization within the meaning of Section 368(b) of the Code), for federal
income tax purposes:

  .  A holder of Shares that has all of its Shares purchased in the Offer
     will recognize gain or loss, measured by the difference between the cash
     received and such holder's adjusted tax basis in such Shares. This gain
     or loss will be capital gain or loss provided such holder's Shares were
     held as a capital asset, and will be long-term capital gain or loss if
     the holder has held the Shares tendered in the Offer for more than one
     year at the time such Shares are purchased in the Offer.

  .  A holder of Shares that exchanges all of its Shares for Tyson Class A
     Common Stock pursuant to the Proposed Merger will not recognize any gain
     or loss except with respect to cash received in lieu of fractional
     Shares.

  .  A holder of Shares that has some of its Shares accepted for tender in
     the Offer and exchanges some of its Shares for Tyson Class A Common
     Stock pursuant to the Proposed Merger will recognize gain (but not loss)
     to the extent of cash received in the Offer. For these purposes, a
     holder's gain is measured by the difference between (A) the sum of (i)
     the amount of cash received pursuant to the Offer plus (ii) the fair
     market value of Tyson Class A Common Stock received in the Proposed
     Merger (plus any cash received in lieu of fractional shares thereof) and
     (B) the holder's adjusted tax basis in its Shares.

  .  If a holder of Shares receives cash in lieu of fractional shares of
     Tyson Class A Common Stock in the Proposed Merger, the holder will be
     required to recognize gain or loss measured by the difference between
     the amount of cash received in lieu of that fractional share and the
     portion of the tax basis of that holder's Shares allocable to that
     fractional share. This gain or loss will be capital gain or loss
     provided such holder's Shares were held as a capital asset, and will be
     long-term capital gain or loss if the holder has held the Shares deemed
     exchanged for that fractional share of Tyson Class A Common Stock for
     more than one year at the effective time of the Proposed Merger.

  .  A holder of Shares will have a tax basis in Tyson Class A Common Stock
     received in the Proposed Merger equal to the tax basis in its Shares
     surrendered by that holder in the Offer and Proposed Merger, (A) reduced
     by (i) any tax basis in such Shares that is allocable to fractional
     share interests in Tyson Class A Common Stock for which cash is received
     and (ii) the amount of cash received by such holder, if any, pursuant to
     the Offer, and (B) increased by the amount of gain, if any, recognized
     by such holder in the Offer (but not by gain recognized upon the receipt
     of cash in lieu of fractional shares of Tyson Class A Common Stock in
     the Proposed Merger).

  .  The holding period for Tyson Class A Common Stock received in exchange
     for Shares in the Proposed Merger will include the holding period for
     Shares surrendered in the Proposed Merger, provided such Shares were
     held as a capital asset.

   The tax consequences described above are based on factual assumptions,
including the satisfaction of the supporting conditions. If those factual
assumptions are not satisfied, the federal income tax consequences of the
Proposed Merger to holders of Shares could differ materially from those
summarized above. In particular, although holders of Shares that have Shares
accepted for tender in the Offer will recognize gain for federal

                                       13
<PAGE>

income tax purposes regardless of whether these factual assumptions are
satisfied, as described below, the Proposed Merger may be a taxable
transaction for federal income tax purposes if these factual assumptions are
not satisfied.

   If the Proposed Merger is consummated but fails to be treated as a
reorganization within the meaning of Section 368(a) of the Code (or Tyson,
Purchaser or the Company is not included as a party to that reorganization
within the meaning of Section 368(b) of the Code), the Proposed Merger will be
a taxable transaction for federal income tax purposes. In that event, each
Holder of Shares that exchanges Shares for Tyson Class A Common Stock in the
Proposed Merger will recognize gain or loss measured by the difference between
the fair market value of Tyson Class A Common Stock received (together with
any cash received in the Offer and any cash received in lieu of fractional
shares) and such stockholder's adjusted tax basis in the Shares exchanged in
the Proposed Merger. The gain or loss will be capital gain or loss provided
such Shares were held as a capital asset, and will be long-term capital gain
or loss if such Shares were held for more than one year at the Effective Time
of the Proposed Merger.

   The federal income tax discussion set forth above is included for general
information only and is based upon present law. Due to the individual nature
of tax consequences, you are urged to consult your tax advisors as to the
specific tax consequences to you of the Offer and the Proposed Merger,
including the effects of applicable state, local or other tax laws.

   7. Price Range of Shares; Dividends. The Shares are listed and principally
traded on the NYSE. The following table sets forth for the periods indicated
the high and low sales prices per Share on the NYSE based on published
financial sources.

<TABLE>
<CAPTION>
                                                                   High   Low
                                                                  ------ ------
      <S>                                                         <C>    <C>
      1998
        First Quarter............................................ $24.13 $20.06
        Second Quarter...........................................  22.88  18.38
        Third Quarter............................................  20.88  16.56
        Fourth Quarter...........................................  29.25  20.25
      1999
        First Quarter............................................ $29.13 $19.63
        Second Quarter...........................................  23.44  16.75
        Third Quarter............................................  25.25  22.25
        Fourth Quarter...........................................  25.00  17.81
      2000
        First Quarter............................................ $18.00 $11.19
        Second Quarter...........................................  18.75  13.31
        Third Quarter............................................  17.75  14.13
        Fourth Quarter through December 11.......................  25.88  17.38
</TABLE>

   On September 29, 2000, the last full trading day before the date the
Company entered into the Rawhide Agreement, the closing price of a Share of
the Company was $18.31. On November 10, 2000, the last full trading day before
the date Smithfield Foods, Inc. made its unsolicited proposal to the special
committee of the board of directors of the Company ("Special Committee") for a
stock-for-stock merger, the closing price of a Share of the Company was
$20.88.

   Between January 1, 2000 and December 11, 2000, the price per Share on the
NYSE ranged between $11.19 and $25.88. On December 11, 2000, the last full
trading day before the date of this Offer to Purchase, the reported closing
sales price per Share on the NYSE was $25.88. We urge you to obtain current
market quotations for the Shares. The Company's annual dividend is $.10.

                                      14
<PAGE>

   8. Certain Information Concerning the Company.

   General. The Company is a Delaware corporation, with principal executive
offices at 800 Stevens Port Drive, Dakota Dunes, South Dakota 57049. The
telephone number of the Company's executive offices is (605) 235-2061. The
Company is one of the world's largest manufacturers of fresh meats and frozen
and refrigerated food products, with 1999 annual sales in excess of $14.0
billion. The Company has two primary business segments: Fresh Meats, which
produces boxed beef, pork, hides and other allied products; and Foodbrands,
which manufactures various value added products including pepperoni, pizza
toppings, appetizers, prepared meals, Mexican foods, soups, sauces, and
branded and processed meats. The Company has over 60 manufacturing locations
in the United States and internationally. The Company has sales offices in
North America, Central America, Europe, and Asia. The Company employs
approximately 50,000 people.

   Available Information. The Company is subject to the informational
requirements of the Exchange Act and in accordance therewith files periodic
reports, proxy statements and other information with the SEC relating to its
business, financial condition and other matters. The Company is required to
disclose in such proxy statements certain information, as of particular dates,
concerning the Company's directors and officers, their remuneration, stock
options granted to them, the principal holders of the Company's securities and
any material interest of such persons in transactions with the Company. Such
reports, proxy statements and other information may be inspected at the public
reference facilities maintained by the SEC at Judiciary Plaza, 450 Fifth
Street, N.W., Washington, D.C. 20549; 7 World Trade Center, Suite 1300, New
York, New York 10048 and Citicorp Center, Suite 1400, 500 W. Madison Street,
Chicago, Illinois 60661. Copies of such material can also be obtained at
prescribed rates from the Public Reference Section of the SEC at Judiciary
Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, or free of charge at
the Web site maintained by the SEC at http://www.sec.gov.

   Except as otherwise stated in this Offer to Purchase, the information
concerning the Company contained herein has been taken from or is based upon
reports and other documents on file with the SEC or otherwise publicly
available. Although we have no knowledge that would indicate that any
statements contained herein based upon such reports and documents are untrue,
we take no responsibility for the accuracy or completeness of the information
contained in such reports and other documents or for any failure by the
Company to disclose events that may have occurred and may affect the
significance or accuracy of any such information but that are unknown to us.

   9. Certain Information Concerning Purchaser and Tyson. Purchaser is a
Delaware corporation incorporated on December 8, 2000, with principal
executive offices at 2210 West Oaklawn Drive, Springdale, Arkansas 72762-6999.
The telephone number of our principal executive offices is (501) 290-4000. To
date, Purchaser has engaged in no activities other than those incident to
Purchaser's formation and the commencement of the Offer. Purchaser is a
wholly-owned subsidiary of Tyson.

   Tyson is a Delaware corporation with principal executive offices at 2210
West Oakland Drive, Springdale, Arkansas 72762-6999. The telephone number of
Tyson's executive offices is (501) 290-4000. Tyson produces, distributes and
markets chicken, Mexican foods, prepared foods, animal and pet food
ingredients and live swine. Tyson's goal is to be the undisputed world leader
in growing, processing and marketing chicken and chicken-based food products.
Tyson's integrated operations consist of breeding and rearing chickens, as
well as the processing, further-processing and marketing of these food
products. Tyson's products are marketed and sold to national and regional
grocery chains, regional grocery wholesalers, clubs and warehouse stores,
military commissaries, industrial food processing companies, national and
regional chain restaurants or their distributors, international export
companies and domestic distributors who service restaurants, foodservice
operations such as plant and school cafeterias, convenience stores, hospitals
and other vendors. Tyson's integrated chicken processes include genetic
research, breeding, hatching, rearing, ingredient procurement, feed milling,
veterinary and other technical services, and related transportation and
delivery services.

   Tyson is a fully-integrated producer, processor and marketer of a variety
of food products. Tyson presently identifies segments based on the products
offered and the nature of customers, resulting in four reported business
segments: Food Service, Consumer Products, International and Swine.


                                      15
<PAGE>

   Tyson's chicken business consists of the Food Service, Consumer Products
and International segments. Food Service includes fresh, frozen and value-
enhanced chicken products sold through food service and specialty distributors
who deliver to restaurants, schools and other accounts. Consumer Products
include fresh, frozen and value-enhanced chicken products sold through retail
markets for at-home consumption and through wholesale club markets targeted to
small food service operators, individuals and small businesses. Tyson's
International segment markets and sells the full line of Tyson chicken
products.

   Tyson's farrow to finish swine operations, which include genetic and
nutritional research, breeding, farrowing and feeder pig finishing and the
marketing of live swine to regional and national packers, are conducted in
Arkansas, Missouri, North Carolina and Oklahoma.

   Tyson's other business category includes the Prepared Foods group,
consisting of Mexican Original, Culinary Foods and Mallard's Food Products.
Mexican Original produces flour and corn tortilla products. Culinary Foods and
Mallard's Food Products produce specialty pasta and meat dishes for
restaurants, airlines and other major customers. Additionally, the other
category includes Tyson's wholly-owned subsidiaries involved in supplying
chicken breeding stock and trading agricultural goods worldwide.

   The name, business address, principal occupation or employment, five year
employment history and citizenship of each director and executive officer of
Tyson and Purchaser and certain other information are set forth on Schedule I.
Except as set forth in this Offer to Purchase, during the past two years, none
of us, nor, to our best knowledge, any of the persons listed on Schedule I
hereto, has had any business relationship or transaction with the Company or
any of its executive officers, directors or affiliates that is required to be
reported under the rules and regulations of the SEC applicable to the Offer.
Except as set forth in this Offer to Purchase, none of the persons listed in
Schedule I, nor any of their respective associates or majority-owned
subsidiaries, beneficially owns any securities of the Company. Except as set
forth in this Offer to Purchase, there have been no contacts, negotiations or
transactions between us or any of our subsidiaries or, to our best knowledge,
any of the persons listed in Schedule I to this Offer to Purchase, on the one
hand, and the Company or its affiliates, on the other hand, concerning a
merger, consolidation or acquisition, tender offer or other acquisition of
securities, an election of directors or a sale or other transfer of a material
amount of assets. None of the persons listed in Schedule I has, during the
past five years, been convicted in a criminal proceeding (excluding traffic
violations or similar misdemeanors). Except as described in Schedule I, none
of the persons listed in Schedule I has, during the past five years, been a
party to any judicial or administrative proceeding (except for matters that
were dismissed without sanction or settlement) that resulted in a judgment,
decree or final order enjoining the person from future violations of, or
prohibiting activities subject to, federal or state securities laws, or a
finding of any violation of federal or state securities laws.

   On November 15, 2000, John S. Lea sold 1,000 Shares for $22.25 per Share.
Mr. Lea had purchased these Shares on March 17, 2000. As of December 11, 2000,
Tyson beneficially owned 574,200 Shares, representing less than 1% of the
outstanding Shares. Transactions in the Shares by Tyson effected in the past
60 days are described in Schedule II hereto. All such transactions were
effected by Tyson in the open market on the NYSE at the prices per share
indicated on Schedule II.

   On December 5, 2000, Tyson announced that it expects to resume purchases
under its ongoing corporate stock repurchase program. Since December 4, 2000,
the day Tyson announced its proposal to acquire the Company, Tyson has
repurchased 200,000 shares of Tyson Class A Common Stock in the open market at
prices ranging from $11.63 to $12.13 per share. During fiscal 2000 Tyson
repurchased 4.0 million shares of Tyson Class A Common Stock under this
program. Depending on market conditions and the price for Tyson Class A Common
Stock, and subject to applicable SEC rules and regulations, Tyson may continue
to purchase, from time to time, shares of Class A Common Stock in the open
market.

   Available Information. Tyson is subject to the informational requirements
of the Exchange Act and in accordance therewith files periodic reports, proxy
statements and other information with the SEC relating to its business,
financial condition and other matters. Tyson is required to disclose in such
proxy statements certain

                                      16
<PAGE>

information, as of particular dates, concerning its directors and officers,
their remuneration, stock options granted to them, the principal holders of
its securities and any material interests of such persons in transactions with
Tyson. Such reports, proxy statements and other information should be
available for inspection and copying at the offices of the SEC in the same
manner as set forth with respect to the Company in "Certain Information
Concerning the Company--Available Information" and the library of the NYSE, 20
Broad Street, New York, New York 10005.

   10. Source and Amount of Funds. We will need approximately $1.4 billion to
purchase the number of Shares representing, together with Shares owned by
Tyson, 50.1% of the outstanding Shares pursuant to the Offer and to pay
related fees and expenses. We will obtain such funds from Tyson's general
corporate funds and also from Tyson's existing commercial paper program. Tyson
has received proposals from various financial institutions to provide a new
364-day term credit facility, which, when combined with its existing revolving
credit facility, would provide a back-stop for the issuance of up to $2
billion in commercial paper to fund the acquisition. As of December 11, 2000,
the outstanding borrowings under the commercial paper program were
approximately $300 million and the weighted average interest rate on such
commercial paper was 7.02%, with maturities ranging from 3 to 30 days.

   Following the issuance of the commercial paper, Tyson may seek to refinance
all or a portion of the commercial paper borrowings through the issuance of
public debt securities. However, the decision whether or not to effect such
refinancing and the timing of such refinancing will depend on a number of
factors, including, market conditions, interest rates and interest rate
spreads and the availability of alternative financing.

   If we are unable to consummate the foregoing financing arrangements, we
will seek alternative financing.

   11. Background of the Offer; Proposed Merger Agreement. As part of the
continuous evaluation of its businesses and plans, Tyson regularly considers a
variety of strategic options and transactions. In recent years, as part of
this process, Tyson has evaluated various alternatives for expanding its
business, including through acquisitions and including discussions with the
Company from time to time.

   On October 2, 2000, the Company and Donaldson, Lufkin & Jenrette, Inc.
("DLJ") jointly announced that Rawhide Holdings Corporation, a wholly-owned
subsidiary of DLJ Merchant Banking Partners III, L.P., a private equity fund
affiliated with DLJ, had entered into the Rawhide Agreement, to acquire the
outstanding Shares in a transaction whereby each Share would be converted into
the right to receive $22.25 in cash.

   On October 27, 2000, Brandes Investment Partners, L.P., Brandes Investment
Partners Inc., Brandes Holdings, L.P., Charles H. Brandes, Glenn R. Carlson
and Jeffrey A. Busby, together the holders of 9.12% of the outstanding Shares,
disclosed in a public filing with the SEC their intention to vote against the
merger proposed by the Rawhide Agreement and to consider asserting their
appraisal rights under Delaware law.

   On November 13, 2000, Smithfield Foods, Inc. ("Smithfield") announced in a
public filing with the SEC its offer to acquire the outstanding Shares for $25
a share payable in Smithfield common stock. Also, on November 13, 2000, the
Special Committee announced that it would begin discussions with Smithfield.
Thereafter, on November 16, 2000, the Company and Smithfield announced that
they entered into a confidentiality agreement.

   On November 21, 2000 John Tyson, Chairman, President and Chief Executive
Officer of Tyson, contacted Richard Bond, President of the Company, and
inquired as to whether there might be any interest in discussing a combination
of the Company and Tyson. As a follow-up to this conversation, John Tyson and
other senior Tyson executives initiated a meeting with Robert Peterson,
Chairman and Chief Executive Officer of the Company, and Mr. Bond on November
24, 2000. During the subsequent week, Mr. Tyson initiated other conversations
with both Mr. Peterson and Mr. Bond.

                                      17
<PAGE>

   On December 4, 2000, Tyson sent the following letter to the Special
Committee:

Special Committee of the Board of Directors of IBP, inc.
800 Stevens Port Drive
Dakota Dunes, South Dakota 57049
Attn: Ms. JoAnn R. Smith, Chairperson

Tyson Foods, Inc. proposes the following transaction with IBP:

  Tyson will acquire all outstanding common stock of IBP in a two-step merger
  pursuant to a definitive agreement in which IBP stockholders receive cash
  and Tyson Class A Common Stock valued at $26.00 for each share of IBP
  common stock. To effect the transaction, Tyson will first commence a cash
  tender offer for 50.1% of outstanding IBP common stock. After conclusion of
  the tender offer, Tyson will effect a merger in which each remaining share
  of IBP common stock will be converted into $26.00 of Tyson Class A Common
  Stock, subject to a maximum exchange ratio of 2.063 Tyson shares and a
  minimum exchange ratio of 1.688 Tyson shares per IBP share.

Our proposal provides a 42% premium over the closing price of IBP on September
29, 2000, the last trading day prior to announcement of the Rawhide
transaction.

Our transaction is clearly superior to the Smithfield and Rawhide offers for
the following reasons:

  .  We provide higher absolute value for each IBP share.

  .  IBP stockholders will receive one-half of total consideration promptly
     in cash under the tender offer. Our proposal is not subject to any
     financing condition. The Smithfield proposal contains no cash
     consideration and will take significantly longer to complete. The
     Rawhide proposal offers no equity participation and requires financing.

  .  Our equity component is compelling. The transaction is instantly
     accretive to Tyson, before synergies, and offers even stronger cash-flow
     characteristics. In addition, the combined company will be better
     positioned in the highly competitive food industry.

  .  Our proposal avoids significant regulatory risk. As observed in your
     letter to Smithfield, their proposal will cause strict regulatory
     scrutiny and likely require significant asset divestiture. Numerous
     regulators, politicians and farm advocacy groups have already expressed
     opposition to the Smithfield combination. The resulting uncertainty and
     expected delay is detrimental to both IBP and the ultimate value to be
     received by your stockholders.

  .  Finally, the resulting company will be the world's leading supplier of
     chicken, beef and pork. We offer complementary products, operations and
     philosophies, and look forward to working with Bob Peterson and Dick
     Bond. We will combine these companies only in ways that create strength
     and do not anticipate any significant reduction in employment levels.

Our transaction is intended to qualify as a tax-free reorganization under
Section 368(a) of the Internal Revenue Code such that the stock portion of
consideration would be tax-free to IBP stockholders.

We expect IBP employee stock options will be converted into Tyson's stock
options on a basis consistent with the overall valuation received by IBP
stockholders in the second-step merger portion of the transaction.

This proposal is subject to completion of a quick, confirmatory due diligence
review and negotiation of a definitive merger agreement. Tyson is prepared to
enter into a confidentiality agreement on terms no less favorable than that
offered Smithfield. We attach a signed confidentiality agreement substantially
identical to Smithfield's agreement for your review and execution.

                                       18
<PAGE>

Time is of the essence. We ask to commence due diligence as soon as possible
and are prepared to begin tomorrow, December 5th. We are also prepared to
immediately negotiate a definitive merger agreement, which we anticipate will
contain customary terms and conditions for transactions of this kind.

Because this proposal is important to our respective stockholders we are
releasing this letter publicly.

I know we can, with your cooperation, close quickly and focus management on
creating value. I strongly believe this transaction will benefit all our
stockholders. Please call me or our advisors, Merrill Lynch, with any
questions.

Sincerely,

John Tyson
Chairman, President and Chief Executive Officer
Tyson Foods, Inc.

   On December 4, the Special Committee sent John Tyson the following letter:

                                          December 4, 2000

Mr. John Tyson
Chairman, President and Chief Executive Officer
Tyson Foods, Inc.
2210 West Oaklawn Drive
Springdale, Arkansas 72762-6999

Dear Mr. Tyson:

   The Special Committee of the Board of Directors of IBP, inc., was pleased
to receive your letter dated December 4, 2000 in which you propose a merger in
which IBP stockholders would receive $26 per share, payable as to 50.1% of the
outstanding IBP shares in cash and payable as to 49.9% of the outstanding IBP
shares in Tyson Class A Common Stock, subject to the terms and conditions set
forth therein.

   The Committee has determined that your proposal meets the applicable
threshold under IBP's merger agreement with Rawhide Holdings Corporation and
is therefore prepared to enter into discussions with you regarding your
proposal.

   The Committee has reviewed your proposed form of confidentiality agreement
and has authorized me to execute it on behalf of the Company. An executed copy
is enclosed. You indicated in your letter that you are interested in
performing a quick, confirmatory due diligence review and we will try to
accommodate you on that score. In that regard, we will make documents
available for legal due diligence beginning tomorrow at our counsel's offices.

   A key point of concern with respect to your proposal is the "collar" on the
exchange ratio. We note that this morning, subsequent to the announcement,
your stock traded below the lower end of your proposed collar. We are very
interested in discussing with you ways to protect the value for IBP
stockholders, such as a broader collar or a higher starting price.

   We also look forward to sitting down with your representatives to discuss
the regulatory and political implication of your proposal, and we are very
interested in hearing your strategy for addressing any issues that may arise
in that regard.


                                      19
<PAGE>

   I note, as I'm sure you are aware, that the Committee's objectives, as well
as its obligation, is to act to achieve the highest price reasonably available
to stockholders.

   We look forward to working with you to assure the most favorable possible
transaction from the standpoint of IBP stockholders.

                                          Very truly yours,

                                          Jo Ann R. Smith

   On December 4, 2000, the Company and Tyson entered into a confidentiality
agreement (the "Confidentiality Agreement"), a copy of which is filed as an
exhibit to the Tender Offer Statement on Schedule TO filed by Tyson and the
Purchaser (the "Schedule TO"), pursuant to which Tyson agreed to keep
confidential certain information it and its advisors may receive from the
Company and its advisors in connection with Tyson's evaluation of a potential
transaction. Under the Confidentiality Agreement, Tyson is prohibited prior to
March 31, 2001 from making any proposals to acquire less than all of the
outstanding Shares, and from acquiring additional Shares in the open market if
such acquisition would result in Tyson beneficially owning more than 9.9% of
the outstanding Shares, except in each case under certain circumstances.

   On December 5 and 6, 2000, representatives of Tyson, and its legal and
financial advisors, visited the offices of counsel to the Special Committee to
conduct preliminary due diligence. On December 8, representatives of Tyson met
with the Company's management to conduct further due diligence and to discuss
issues in connection with a possible acquisition of the Company.

   On December 11, 2000, John Tyson spoke with JoAnn R. Smith informing her
that Tyson would be initiating the Offer. On December 11, 2000 Tyson announced
its intention to commence the Offer. Tyson also delivered a form of merger
agreement to the Company, a copy of which is filed as an exhibit to the
Schedule TO. The following is a summary of the material terms of the form of
merger agreement (the "Merger Agreement"). This summary is qualified by
reference to the complete text of Merger Agreement. Tyson can provide no
assurance that any definitive merger agreement between Tyson and the Company
will contain these or similar terms.

The Amended Offer

   The Merger Agreement will require Tyson to amend the Offer (the "Amended
Offer") and file an amended Schedule TO (the "Form TO/A") which will include
an amended Offer to Purchase (the "Amended Offer to Purchase"). Under the
Merger Agreement, Purchaser's obligation to accept for payment and pay for
Shares tendered pursuant to the Amended Offer will be subject to the
satisfaction or waiver of the Minimum Condition and certain other conditions
that are described below. Subject to the provisions of the Merger Agreement,
the Merger Agreement will permit Purchaser to waive, in whole or in part at
any time or from time to time, any condition to the Amended Offer; provided
that the Merger Agreement will not permit, without the prior written consent
of the Company, Purchaser to make any change that changes the form of
consideration to be paid in the Amended Offer or the Proposed Merger,
decreases the price per Share, increases the Minimum Condition or the Maximum
Amount (as defined in the Merger Agreement), imposes additional conditions to
the Amended Offer or amends any term or any condition to the Amended Offer in
a manner materially adverse to the holders of the Shares.

   Under the Merger Agreement, Purchaser will have the right, without the
consent of the Company, to waive the Minimum Condition and extend the Offer
(i) from time to time if, at the scheduled or extended expiration date of the
Amended Offer, any of the conditions to the Amended Offer have not been
satisfied or waived (until such conditions are satisfied or waived) for a
number of days not to exceed 60 in the aggregate and (ii) for any period
required by any rule, regulation, interpretation or position of the SEC or the
staff of the SEC applicable to the Amended Offer or any period required by
applicable law.


                                      20
<PAGE>

Recommendation

   The Merger Agreement contemplates that the board of directors of the
Company, upon recommendation of the Special Committee, will (i) determine that
each of the Merger Agreement, the Amended Offer and the Proposed Merger is
fair to, and in the best interest of, the holders of Shares, (ii) approve the
Merger Agreement and the transactions contemplated thereby, including each of
the Amended Offer and the Proposed Merger and (iii) resolve to recommend that
the stockholders of the Company who desire to receive cash for their Shares
accept the Amended Offer and tender their Shares and that, following
consummation of the Amended Offer, the stockholders of the Company adopt the
Merger Agreement and vote in favor of the Proposed Merger.

The Proposed Merger

   The Merger Agreement provides that as soon as practicable after the
purchase of the Shares pursuant to the Amended Offer, the approval of the
Merger Agreement by the Company's stockholders and the satisfaction or waiver
of the other conditions to the Proposed Merger, the Company will be merged
with and into Purchaser, and Purchaser will be the surviving corporation (the
"Surviving Corporation").

   Pursuant to the Merger Agreement, each Share outstanding at the effective
time of the Proposed Merger (other than Shares owned by Tyson or any of its
subsidiaries, including Purchaser, or by the Company as treasury stock, all of
which will be cancelled), will be converted into the right to receive that
number of shares of Tyson Class A Common Stock equal to, (a) if the market
price per share of Tyson Class A Common Stock is equal to or greater than
$15.40, 1.688, (b) if the market price per share of Tyson Class A Common Stock
is less than $15.40 and greater than $12.60, the result of $26.00 divided by
the market price per share of Tyson Class A Common Stock, and (c) if the
market price per share of Tyson Class A Common Stock is equal to or less than
$12.60, equal to 2.063. The "market price" per share of Tyson Class A Common
Stock is the average of the closing price per share of Tyson Class A Common
Stock on the NYSE at the end of the regular session as reported on the
Consolidated Tape, Network A for the fifteen consecutive trading days ending
on the fifth trading day immediately preceding the effective time of the
Proposed Merger.

Employee Stock Options

   The Merger Agreement provides that, at or immediately prior to the
effective time of the Proposed Merger, each employee stock option or director
stock option to purchase outstanding Shares under any stock option plan of the
Company, whether or not vested or exercisable (each, a "Company Option") will,
by virtue of the Proposed Merger and without any further action on the part of
any holder thereof, be assumed by Tyson and deemed to constitute an option
(each, a "Tyson Option") to acquire, on the same terms and conditions as were
applicable under such Company Option, the same number of shares of Tyson Class
A Common Stock as the holder of such Company Option would have been entitled
to receive had such holder exercised such Company Option in full immediately
prior to the effective time of the Proposed Merger (rounded to the nearest
whole number), at a price per share (rounded down to the nearest whole cent)
equal to (x) the aggregate exercise price for the Shares otherwise purchasable
pursuant to such Company Option divided by (y) the number of whole shares of
Tyson Class A Common Stock purchasable pursuant to the Tyson Option in
accordance with the foregoing. The Merger Agreement states that the other
terms of each such Company Option, and the plans under which they were issued,
will continue to apply in accordance with their terms.

   Under the Merger Agreement, prior to the effective time of the Proposed
Merger, the Company will (i) obtain any consents from holders of Company
Options and (ii) make any amendments to the terms of such stock option plans
of the Company that, in the case of either clauses (i) or (ii), are necessary
or appropriate to give effect to the above transactions; provided, however,
that lack of consent of any holder of a Company Option will in no way affect
the obligations of the parties to consummate the Proposed Merger.

   In the Merger Agreement, Tyson will agree to take, at or prior to the
effective time of the Proposed Merger, all corporate action necessary to
reserve for issuance a sufficient number of shares of Tyson Class A Common

                                      21
<PAGE>

Stock for delivery upon exercise of the Tyson Options. The Merger Agreement
provides that Tyson will agree to file a registration statement on Form S-8,
with respect to the shares of Tyson Class A Common Stock subject to such Tyson
Options.

Representations and Warranties

   The Merger Agreement contemplates the Company making customary
representations and warranties to Tyson, including representations relating to
its organization and governmental qualification and subsidiaries; its articles
of incorporation and bylaws; capitalization; corporate authorizations; absence
of conflicts; required filings and consents; compliance with laws; SEC filings;
financial statements; absence of certain changes or events (including any
material adverse effect on the financial condition, business, assets or results
of operations of the Company); absence of undisclosed liabilities; litigation;
employee benefit plans; tax matters; labor matters; intellectual property;
environmental matters; insurance and other matters.

   The Merger Agreement contemplates certain of the Company's representations
and warranties will be qualified as to "materiality" or "Material Adverse
Effect." When used in connection with the Company or any of its subsidiaries,
the term "Material Adverse Effect" will mean any effect that would be
materially adverse to the financial condition, business, assets, liabilities or
results of operations of the Company and its subsidiaries taken as a whole.

   In the Merger Agreement Tyson will make customary representations and
warranties to the Company, including representations relating to its corporate
organization; authority relative to the Merger Agreement; absence of conflicts;
financial statements; finders fees and other matters.

Covenants of the Company

   The Merger Agreement would require that the Company agree to comply with
various covenants.

   Conduct of the Company. Prior to the effective time of the Proposed Merger,
except as expressly permitted by the Merger Agreement, the Company and its
subsidiaries will conduct business in the ordinary course consistent with past
practices, and the Company will not and will not permit its subsidiaries to,
among other things:

     (a) amend its organizational documents;

     (b) make any acquisitions for an amount in excess of $20 million in the
  aggregate, or sell, lease or otherwise dispose of a subsidiary, assets or
  securities for an amount in excess of $125 million in the aggregate;

     (c) make any investment in an amount in excess of $20 million in the
  aggregate or purchase any property or assets of any other individual or
  entity for an amount in excess of $20 million in the aggregate;

     (d) waive, release, grant, or transfer any rights of material value
  other than in the ordinary course of business consistent with past
  practice;

     (e) modify any existing material license, lease, contract, or other
  document other than in the ordinary course of business consistent with past
  practice;

     (f) incur, assume or prepay an amount of long-term or short-term debt in
  excess of $125 million in the aggregate;

     (g) assume, guarantee, endorse or otherwise become liable or responsible
  for the obligations of any other person which, are in excess of $10 million
  in the aggregate;

     (h) make any loans, advances or capital contributions to, or investments
  in, any other person which are in excess of $20 million in the aggregate;


                                       22
<PAGE>

     (i) authorize any new capital expenditures which, individually or in the
  aggregate, would cause total capital expenditures for the calendar year
  2000 and the first quarter of calendar year 2001 to exceed $565 million;

     (j) split, combine or reclassify any shares of its capital stock,
  declare, set aside or pay any dividend or other distribution in respect of
  its capital stock except regular quarterly dividends, or, redeem,
  repurchase or otherwise acquire or offer to redeem, repurchase, or
  otherwise acquire any of its securities or any securities of its
  subsidiaries;

     (k) adopt or amend any material bonus, profit sharing, compensation,
  severance, termination, stock option, pension, retirement, deferred
  compensation, employment or employee benefit plan, or increase in any
  manner the compensation or fringe benefits of any director, officer or
  employee or pay any benefit not required by any existing plan or
  arrangement;

     (l) pay, discharge or satisfy any material claims, liabilities or
  obligations;

     (m) approve any new labor agreements;

     (n) take any action other than in the ordinary course of business and
  consistent with past practices with respect to accounting policies or
  procedures; or

     (o) knowingly take or agree or commit to take any action that would make
  any representation and warranty of the Company under the Merger Agreement
  inaccurate in any material respect at, or as of any time prior to, the
  effective time of the Proposed Merger.

   Company Stockholder Meeting. The Merger Agreement will require the Company
to cause a meeting of its stockholders to be duly called and held as soon as
reasonably practicable after consummation of the Amended Offer for the purpose
of voting on the approval and adoption of the Merger Agreement and the Proposed
Merger. The Merger Agreement contemplates the board of directors of the Company
recommending approval and adoption of the Agreement and the Proposed Merger by
the Company's stockholders and shall prohibit the board of directors from
withdrawing such recommendation, subject to certain exceptions to allow the
board of directors of the Company to satisfy its fiduciary obligations.

   Access to Information. The Merger Agreement contemplates that, from the date
of the agreement until the effective time of the Proposed Merger, the Company
will (a) give Tyson and its counsel, financial advisors, auditors and other
authorized representatives (collectively, the "Representatives") reasonable
access during normal business hours to the offices, properties, books and
records of the Company and its subsidiaries, (b) provide the Representatives
access to and the right to consult with representatives of the Company handling
any labor negotiations with any union representing employees of the Company,
(c) furnish to Tyson and the Representatives such financial and operating data
and other information as such persons may reasonably request in order to
complete the transactions contemplated hereby and (d) instruct the Company's
employees, counsel and financial advisors to cooperate with Tyson in its
investigation of the business of the Company and its subsidiaries; provided
that (i) any information provided to Tyson or the Representatives will be
subject to the Confidentiality Agreement (defined below) and (ii) Tyson shall
inform the Representatives receiving such information of the terms of the
Confidentiality Agreement and shall be responsible for any breach by such
Representatives of such Confidentiality Agreement.

   Other Offers. The Merger Agreement provides that neither the Company nor any
of its subsidiaries will, or will authorize or permit any of their officers,
directors, employees, investment bankers, attorneys, accountants, consultants
or other agents or advisors to, directly or indirectly, (x) solicit, initiate
or take any action to facilitate or encourage the submission of inquiries,
proposals or offers from any person or group (other than Tyson and Purchaser)
relating to any Acquisition Proposal (defined below), or agree to or endorse
any Acquisition Proposal, (y) enter into or participate in any discussions or
negotiations regarding any Acquisition Proposal, or furnish to any person or
group any information with respect to its business, properties or assets in
connection with any Acquisition Proposal or (z) grant any waiver or release
under any standstill or similar agreement with respect to

                                       23
<PAGE>

any class of equity securities of the Company or any of its subsidiaries.
"Acquisition Proposal" means any offer or proposal for a merger,
reorganization, consolidation, share exchange, business combination or other
similar transaction involving the Company or any of its subsidiaries or any
proposal or offer to acquire, directly or indirectly, securities representing
more than 50% of the voting power of the Company, or a substantial portion of
the assets of the Company and its subsidiaries taken as a whole, other than the
Amended Offer and the Proposed Merger contemplated by the Merger Agreement.

   The Merger Agreement further provides that, notwithstanding the foregoing,
the Company's board of directors may, prior to the acceptance for payment of
Shares pursuant to the Amended Offer, (i) furnish information pursuant to a
confidentiality letter deemed appropriate by the Special Committee concerning
the Company and its businesses, properties or assets to a person or group who
in the judgment of the Special Committee has made a bona fide Acquisition
Proposal, (ii) engage in discussions or negotiations with such a person or
group who in the judgment of the Special Committee has made a bona fide
Acquisition Proposal, (iii) following receipt of a bona fide Acquisition
Proposal, take and disclose to its stockholders a position contemplated by Rule
14e-2(a) under the Exchange Act or otherwise make disclosure to its
stockholders, (iv) following receipt of an Acquisition Proposal, fail to make
or withdraw or modify its recommendation that all stockholders of the Company
who wish to receive cash for their Shares tender their Shares in the Amended
Offer and approve the Proposed Merger and/or (v) taking any non-appealable,
final action ordered to be taken by the Company by any court of competent
jurisdiction but, in each case referred to in the foregoing (i), (ii) and (iv),
only if (i) the Company has complied with the terms of this "No Solicitation
Covenant", (ii) the Company has received an unsolicited Acquisition Proposal
which the board of directors of the Company determines in good faith is
reasonably likely to result in a Superior Proposal, and (iii) the Company shall
have delivered to Tyson a prior written notice advising Tyson that it intends
to take such action. "Superior Proposal" means any bona fide written
Acquisition Proposal which (i) the board of directors of the Company determines
in good faith (after consultation with a financial advisor of nationally
recognized reputation and taking into account all the terms and conditions of
the Acquisition Proposal) is (a) more favorable to the Company and its
stockholders from a financial point of view than the transaction contemplated
under the Merger Agreement, and (b) reasonably capable of being completed,
including a conclusion that its financing, to the extent required, is then
committed or is in the good faith judgment of the board of directors of the
Company, reasonably capable of being financed by the person making such
Acquisition Proposal.

   Notices Of Certain Events. The Merger Agreement would require the Company to
promptly notify Tyson of (a) any notice or other communication from any person
alleging that the consent of such person is or may be required in connection
with the transactions contemplated by the Merger Agreement, (b) any notice or
other communication from any governmental or regulatory agency or authority in
connection with the transactions contemplated by the Merger Agreement; (c) any
actions, suits, claims, investigations or proceedings commenced or, to the best
of its knowledge threatened against, relating to or involving or otherwise
affecting the Company or any subsidiary of the Company which, if pending on the
date of the Merger Agreement, would have been required to be disclosed or which
relate to the consummation of the transactions contemplated by the Merger
Agreement.

   Tax Matters. The Merger Agreement would require that, without the prior
written consent of Tyson (such consent not to be unreasonably withheld),
neither the Company nor any of its subsidiaries will make or change any tax
election, change any annual tax accounting period, adopt or change any method
of tax accounting, file any amended tax returns or claims for tax refunds,
enter into any closing agreement, surrender any tax claim, audit or assessment,
surrender any right to claim a tax refund, offset or other reduction in tax
liability surrendered, consent to any extension or waiver of the limitations
period applicable to any tax claim or assessment or take or omit to take any
other action, if any such election, action or omission would have the effect of
increasing the tax liability or reducing any tax asset of the Company or any of
its subsidiaries.

   The Merger Agreement would require the Company and each of its subsidiaries
to establish or cause to be established in accordance with GAAP on or before
the effective time of the Proposed Merger an adequate accrual

                                       24
<PAGE>

for all taxes due with respect to any tax period prior to the effective time
of the Proposed Merger or for any period beginning before, and ending after,
the effective time of the Proposed Merger.

   The Merger Agreement would prohibit the Company and its subsidiaries from
taking any action that would reasonably be likely to prevent the Proposed
Merger from qualifying as a reorganization within the meaning of Section
368(a) of the Code and require the Company and its subsidiaries to use their
best efforts to cause the Proposed Merger to qualify as a reorganization
within the meaning of Section 368(a) of the Code.

   Affiliates. The Merger Agreement would require that, at least 40 days prior
to the effective time of the Proposed Merger, the Company (a) deliver to Tyson
a letter identifying all known Persons who may be deemed affiliates of the
Company for the purposes of Rule 145 of the Securities Act of 1933, as amended
(the "Securities Act") and (b) obtain a written agreement in an agreed upon
form from each person who may be so deemed, as soon as practicable and, in any
event, at least 30 days prior to the effective time of the Proposed Merger.

Covenants of Tyson

   The Merger Agreement contemplates that Tyson will agree to comply with
various covenants.

   Tyson Stockholder Meeting. Tyson will cause a meeting of its stockholders
to be duly called and held as soon as reasonably practicable for the purpose
of voting on the issuance of Tyson Class A Common Stock in the Proposed Merger
and pursuant to Tyson Options after the Proposed Merger.

   Confidentiality. Tyson will agree that the Confidentiality Agreement dated
December 4, 2000 between it and the Company shall continue in full force and
effect prior to the effective time of the Proposed Merger and after any
termination of the Merger Agreement.

   Voting of Shares. Each of Tyson and Purchaser will agree to vote all Shares
beneficially owned by it or any of its subsidiaries in favor of adoption of
the Merger Agreement at the Company stockholder meeting, and at any
adjournment.

   Director and Officer Liability. Tyson will agree that for six years after
the effective time of the Proposed Merger, it will cause the Surviving
Corporation to indemnify and hold harmless the present and former officers and
directors of the Company in respect of acts or omissions occurring prior to
the effective time of the Proposed Merger to the extent provided under the
Company's articles of incorporation and bylaws in effect on the date of the
Merger Agreement; provided that such indemnification will be subject to any
limitation imposed from time to time under applicable law. In addition, Tyson
will agree that for six years after the effective time of the Proposed Merger,
Tyson will cause the Surviving Corporation to use its best efforts to provide
officers' and directors' liability insurance in respect of acts or omissions
occurring prior to the effective time of the Proposed Merger covering each
such officer and director currently covered by the Company's officers' and
directors' liability insurance policy on terms with respect to coverage and
amount no less favorable than those of such policy in effect on the date
hereof, provided that if the aggregate annual premiums for such insurance at
any time during such period shall exceed 200% of the per annum rate of premium
paid by the Company in its last full fiscal year for such insurance, then
Tyson shall cause the Surviving Corporation to provide only such coverage as
shall then be available at an annual premium equal to 200% of such rate.

   Employee Matters. Tyson will agree that, subject to applicable law, the
Surviving Corporation and its subsidiaries will provide benefits to their
employees which will, in the aggregate, be comparable to those currently
provided by Tyson and its subsidiaries to their employees; provided, however,
that this provision will not apply to any employees represented for purposes
of collective bargaining.

   Obligations of Purchaser. Tyson will agree to take all action necessary to
cause Purchaser to perform its obligations under the Merger Agreement and to
consummate the Proposed Merger on the terms and conditions set forth in the
Merger Agreement.


                                      25
<PAGE>

   Stock Exchange Listing. Tyson will agree to use its reasonable best efforts
to cause the shares of Tyson Class A Common Stock to be issued in connection
with the Proposed Merger to be listed on the NYSE, subject to official notice
of issuance.

   Acquisitions of Shares. Tyson and Purchaser will agree not to acquire any
Shares prior to the effective time of the Proposed Merger or the termination
of the Merger Agreement, other than Shares purchased pursuant to the Amended
Offer.

   Notices of Certain Events. Tyson will agree to promptly notify the Company
of (a) any notice or other communication from any person alleging that the
consent of such person is or may be required in connection with the
transactions contemplated by the Merger Agreement, (b) any notice or other
communication from any governmental or regulatory agency or authority in
connection with the transactions contemplated by the Merger Agreement, and (c)
any actions, suits, claims, investigations or proceedings commenced or, to the
best of its knowledge threatened against, relating to or involving or
otherwise affecting Tyson or any of its subsidiaries which relate to the
consummation of the transactions contemplated by the Merger Agreement.

   Reorganization Matters. Tyson will agree that neither it nor any of its
subsidiaries will take any action that would reasonably be likely to prevent
the Proposed Merger from qualifying as a reorganization under Section 368(a)
of the Internal Revenue Code and, prior to the effective time of the Proposed
Merger, Tyson and its subsidiaries will use their reasonable best efforts to
cause the Proposed Merger to so qualify.

   Information Relating to Offer. Tyson will agree to cause any depository or
agent effecting the Amended Offer, to provide to the Company promptly as
requested from time to time by the Company current information regarding the
status of the Offer and the number of Shares tendered and not validly
withdrawn.

   Conduct of Tyson. Tyson will agree that, from the date of the Merger
Agreement until the effective time of the Proposed Merger, it will conduct its
business in the ordinary course consistent with past practice and shall use
its reasonable best efforts to preserve intact its business organizations and
relationships with third parties and to keep available the services of its
present officers and employees.

Mutual Covenants of Tyson and the Company

   The Merger Agreement contemplates that Tyson and the Company will agree to
comply with various mutual covenants.

   Company Proxy Statement and Form S-4. The Merger Agreement provides that
the Company will promptly prepare its proxy statement (the "Company Proxy
Statement") for soliciting proxies to vote at the special meeting of
stockholders called to vote on the Merger Agreement and the Proposed Merger.
Tyson will agree to promptly prepare and file with the SEC the Registration
Statement on Form S-4 containing information required by Regulation S-K under
the Exchange Act (the "Form S-4"), in which the Company Proxy Statement will
be included. Pursuant to the Merger Agreement the Company, Tyson and Purchaser
will cooperate with each other in the preparation of the Form S-4 and any
amendment or supplement thereto, and each will notify the other of the receipt
of any comments of the SEC with respect to the Form S-4 and of any requests by
the SEC for any amendment or supplement thereto or for additional information,
and will provide to the other promptly copies of all correspondence between
Tyson or the Company, as the case may be, or any of its Representatives and
the SEC with respect to the Form S-4. Tyson will agree to give the Company and
its counsel the opportunity to review the Form S-4 and all responses to
requests for additional information by and replies to comments of the SEC
before their being filed with, or sent to, the SEC. The Merger Agreement
provides that each of the Company, Tyson and Purchaser will use its best
efforts, after consultation with the other parties, to respond promptly to all
such comments of and requests by the SEC and use its reasonable best efforts
to cause the Form S-4 to be declared effective by the SEC as promptly as
practicable. Tyson will agree to promptly take any action (other than
qualifying as a foreign corporation or taking any action which would subject
it to service of process in any jurisdiction where Tyson is not now so
qualified or subject) required to be taken under foreign or state

                                      26
<PAGE>

securities or Blue Sky laws in connection with the issuance of Tyson Class A
Common Stock in the Proposed Merger. The Merger Agreement contemplates that, as
promptly as practicable after the Form S-4 shall have become effective, Tyson
and the Company shall fully cooperate with each other to cause the Proxy
Statement/Prospectus contained in the Form S-4 to be mailed to stockholders of
the Company and Tyson. Tyson will agree to advise the Company, promptly after
it receives notice thereof, of (i) the time when the Form S-4 becomes
effective, (ii) the issuance of any stop order with respect to the Form S-4,
(iii) the suspension of the qualification of Tyson Class A Common Stock for
offering or sale in any jurisdiction, or (iv) any request by the SEC for an
amendment of the Form S-4 or comments thereon and responses thereto or requests
by the SEC for additional information.

   Best Efforts. The Merger Agreement provides that each party will use its
reasonable best efforts to take, or cause to be taken, all actions and to do,
or cause to be done, all things necessary, proper or advisable under applicable
laws and regulations to consummate the transactions contemplated by the Merger
Agreement. Each party will refrain from taking, directly or indirectly, any
action contrary to or inconsistent with the provisions of the Merger Agreement,
including action which would interfere with the Amended Offer or impair such
party's ability to consummate the Proposed Merger. The Merger Agreement
provides that the Company and its board of directors will use their reasonable
best efforts to (a) take all action necessary so that no state takeover statute
or similar statute or regulation is or becomes applicable to the Amended Offer,
the Proposed Merger or any of the other transactions contemplated by the Merger
Agreement and (b) if any state takeover statute or similar statute or
regulation becomes applicable to any of the foregoing, take all action
necessary so that the Amended Offer, the Proposed Merger and the other
transactions contemplated by the Merger Agreement may be consummated as
promptly as practicable on the terms contemplated by the Merger Agreement and
otherwise to minimize the effect of such statute or regulation on the Amended
Offer and the Proposed Merger. The Merger Agreement provides that each of Tyson
and the Company will use its best efforts to eliminate any impediment under any
antitrust, competition or trade regulation laws that may be asserted by any
governmental entity with respect to the Amended Offer or the Proposed Merger so
as to enable the Proposed Merger to occur as soon as reasonably practicable.

   Certain Filings. The Merger Agreement contemplates that the Company and
Tyson will use their respective reasonable best efforts to take or cause to be
taken, (i) all actions necessary, proper or advisable by such party with
respect to the prompt preparation and filing with the SEC of their SEC
disclosure documents, and (ii) such actions as may be required to have the
Company Proxy Statement cleared and the Form S-4 declared effective by the SEC,
in each case as promptly as practicable. The Merger Agreement provides that the
Company and Tyson shall cooperate with one another (i) in determining whether
any action by or in respect of, or filing with, any governmental body, agency
or official, or authority is required, or any actions, consents, approvals or
waivers are required to be obtained from parties to any material contracts, in
connection with or as a result of the consummation of the transactions
contemplated by the Merger Agreement and (ii) in seeking any such actions,
consents, approvals or waivers or making any such filings, furnishing
information required in connection therewith or with the parties' SEC
disclosure documents and seeking timely to obtain any such actions, consents,
approvals or waivers.

   Public Announcements. The Merger Agreement will require each of Tyson and
the Company to consult with each other before issuing any press release or
making any public statement with respect to the Merger Agreement and to not
issue any such press release or make any such public statement prior to such
consultation.

Conditions to the Merger

   The Merger Agreement provides that the obligations of the Company, Tyson and
Purchaser to consummate the Proposed Merger are subject to the satisfaction or,
to the extent permitted by law, waiver of the following conditions:

     (a) the Merger Agreement will have been approved and adopted by the
  stockholders of the Company in accordance with Delaware Law;

                                       27
<PAGE>

     (b) any applicable waiting period under the HSR Act (as defined below)
  relating to the Amended Offer and the Proposed Merger will have expired or
  been terminated;

     (c) no provision of any applicable law or regulation and no judgment,
  injunction, order or decree prohibits the consummation of the Merger;

     (d) the Form S-4 will have been declared effective, no stop order
  suspending the effectiveness of the Form S-4 will be in effect and no
  proceedings for such purpose will be pending before or threatened by the
  SEC;

     (e) the shares of Tyson Class A Common Stock to be issued in the
  Proposed Merger will have been approved for listing on the NYSE, subject to
  official notice of issuance; and

     (f) Tyson will have received an opinion of Milbank, Tweed, Hadley &
  McCloy LLP in an agreed upon form.

   The Merger Agreement provides that the obligation of the Company to
consummate the Proposed Merger is also subject to the following conditions:

     (a) Purchaser will have purchased Shares pursuant to the Offer;

     (b) The Company will have received an opinion of Wachtell, Lipton, Rosen
  & Katz in an agreed upon form.

Termination

   The Merger Agreement provides that it may be terminated and the Proposed
Merger may be abandoned at any time prior to the effective time of the Proposed
Merger (notwithstanding any approval of the Merger Agreement by the
stockholders of the Company):

     (a) by mutual written agreement of the Company and Tyson;

     (b) by either the Company or Tyson, if the Amended Offer has not been
  consummated on or before February 28, 2001; provided that this right to
  terminate the Merger Agreement is not available to any party whose breach
  of any provision of the Merger Agreement results in the failure of the
  Amended Offer to be consummated by February 28, 2001;

     (c) by either the Company or Tyson if there is any law or regulation
  that makes acceptance for payment of, and payment for, the Shares pursuant
  to the Offer, or consummation of the Proposed Merger illegal or otherwise
  prohibited or any judgment, injunction, order or decree of any court or
  governmental body having competent jurisdiction permanently enjoins
  Purchaser from accepting for payment of, and paying for, the Shares
  pursuant to the Amended Offer or Purchaser, the Company or Tyson from
  consummating the Proposed Merger and such judgment, injunction, order or
  decree has become final and nonappealable; or

     (d) by Tyson, prior to the purchase of the Shares pursuant to the
  Amended Offer, if the board of directors of the Company shall have
  withdrawn, or modified or amended in a manner adverse to Tyson, its
  approval or recommendation of the Merger Agreement, the Amended Offer and
  the Proposed Merger or its recommendation that the stockholders of the
  Company tender their Shares pursuant to the Amended Offer, adopt and
  approve the Merger Agreement and the Proposed Merger or approved,
  recommended or endorsed any proposal for a transaction other than such
  transactions (including a tender or exchange offer for Shares) or if the
  Company has failed to call its stockholder meeting or failed to mail the
  Company Proxy Statement to its stockholders within 20 days after the Form
  S-4 is declared effective by the SEC or failed to include in such statement
  the recommendation referred to above; or

     (e) by the Company, if (i) the board of directors of the Company
  authorizes the Company, subject to complying with the terms of the Merger
  Agreement, to enter into a binding written agreement concerning a
  transaction that constitutes a Superior Proposal and the Company notifies
  Tyson in writing at least three

                                       28
<PAGE>

  days prior to the proposed effectiveness of such termination that it
  intends to enter into such an agreement, attaching a description of the
  material terms and conditions thereof and permits Tyson, within such three
  business day period to submit a new offer, which shall be considered by the
  Special Committee in good faith (it being understood that the Company shall
  not enter into any such binding agreement during such three day period) and
  (ii) the Company prior to such termination pays to Tyson in immediately
  available funds the Termination Fee (defined below) and the fees required
  to be paid pursuant to the Merger Agreement; or

     (f) by Tyson, if prior to the acceptance for payment of the Shares under
  the Amended Offer, there has been a breach by the Company of any
  representation, warranty, covenant or agreement contained in the Merger
  Agreement that is not curable and such breach would give rise to a failure
  of the condition to the Merger Agreement; or

     (g) by the Company, if prior to the acceptance for payment of the Shares
  under the Offer there has been a breach by Tyson of any representation,
  warranty, covenant or agreement contained in the Merger Agreement that is
  not curable and such breach would give rise to a failure of the condition
  to the Merger Agreement (which shall be construed to apply to Tyson); or

     (h) by either the Company or Tyson if, at a duly held stockholders
  meeting of the Company or any adjournment thereof at which the Merger
  Agreement and the Proposed Merger are voted upon, the requisite stockholder
  adoption and approval shall not have been obtained.

Fees and Expenses

   It is contemplated that, except as otherwise specified below, all fees and
expenses incurred in connection with the Merger Agreement and the transactions
contemplated thereby will be paid by the party incurring such expenses.

   The Merger Agreement provides that the Company will pay Tyson $70 million
(the "Termination Fee") if the Merger Agreement is terminated (i) pursuant to
(d) or (e) under "Termination" above; or (ii) pursuant to (b), (f) or (h) under
"Termination" above if at the time of such termination (or, in the case of a
termination pursuant to (h) under "Termination" above, at the time of the
stockholders meeting), there shall have been outstanding an Acquisition
Proposal pursuant to which stockholders of the Company would receive cash,
securities or other consideration having an aggregate value in excess of $26.00
per Share, and within six months of any such termination the Company enters
into a definitive agreement for or consummates such Acquisition Proposal or
another Acquisition Proposal with a higher per Share value than such
Acquisition Proposal.

   The Merger Agreement provides that if it is terminated as described in (d),
(e) or (f) under "Termination" above, the Company shall reimburse Tyson and its
affiliates not later than two business days after submission of reasonable
documentation thereof for 100% of their documented out-of-pocket fees and
expenses (including, without limitation, the reasonable fees and expenses of
their counsel and investment banking fees), actually incurred by any of them or
on their behalf in connection with this Agreement and the transactions
contemplated hereby subject to a maximum reimbursement amount of $7,500,000.

Amendments

   At any time prior to the effective time of the Proposed Merger, the Merger
Agreement may be amended by an instrument signed by Tyson, Purchaser and the
Company. However, after adoption of the Merger Agreement by the stockholders of
the Company, the Merger Agreement may not be amended by any amendment which by
law requires the further approval of the stockholders of the Company unless the
stockholders of the Company have given their approval.

                                       29
<PAGE>

   12. Purpose and Structure of the Offer; Plans for the Company; Dissenters'
Rights.

   Purpose of the Offer. The purpose of the Offer is to acquire control of the
Company through the acquisition of a number of Shares which, together with
Shares owned by Tyson, represent 50.1% of the outstanding Shares. The Offer,
as the first step in the acquisition of the Company, is intended to facilitate
the acquisition of the Company. The purpose of the Proposed Merger is to
acquire all outstanding Shares not tendered and purchased pursuant to the
Offer. If the Offer is successful, we intend to consummate the Proposed Merger
as promptly as practicable. Upon consummation of the Proposed Merger, the
Company will become a wholly-owned subsidiary of Tyson.

   If a definitive merger agreement is entered into by the Company, Tyson and
Purchaser, the Company Board will be required to submit the Proposed Merger to
the Company's stockholders for approval at a stockholders' meeting convened
for that purpose in accordance with Delaware Law. The Proposed Merger must be
approved by a majority vote of the outstanding Shares cast by stockholders at
a meeting at which a quorum is present.

   If the Minimum Condition and the Section 203 Condition are satisfied, we
will, upon consummation of the Offer, have sufficient voting power to ensure
approval of the Proposed Merger at the stockholders' meeting without the
affirmative vote of any other stockholder.

   Tyson has delivered to the Company a form of merger agreement, which is
summarized herein. Tyson intends to continue to seek to negotiate with the
Company with respect to the acquisition of the Company based on this form of
merger agreement. If such negotiations result in a definitive merger agreement
between the Company and Tyson, certain material terms of the Offer may change.
Accordingly, such negotiations could result in, among other things,
modification, extension or termination of the Offer and submission of a
different acquisition proposal to the Company's stockholders for approval.

   Plans for the Company. The acquisition of the Company will allow Tyson to
expand its business to include the processing and marketing of beef and pork
products. Tyson plans to use its expertise to accelerate the Company's program
to develop value-added convenience foods and case ready retail products in
beef and pork.

   Except as otherwise provided herein, it is currently expected that,
following the Proposed Merger, the business and operations of the Company will
be continued substantially as they are currently being conducted. We will
continue to evaluate the business and operations of the Company during the
pendency of the Offer and after the consummation of the Offer and the Proposed
Merger and will take such actions as we deem appropriate under the
circumstances. Except as described above or elsewhere in this Offer to
Purchase, we have no present plans or proposals that would relate to or result
in an extraordinary corporate transaction involving the Company or any of its
subsidiaries (such as a merger, reorganization, liquidation, relocation of any
operations or sale or other transfer of a material amount of assets), any
change in the Company Board or management, any material change in the
Company's capitalization or dividend policy or any other material change in
the Company's corporate structure or business.

   Appraisal Rights. Appraisal rights are not available in the Offer.
Appraisal rights will not be available to holders of the Shares in connection
with the Proposed Merger if both of the following are true:

  .  if at the date fixed to determine the stockholders entitled to notice of
     and to vote on the Proposed Merger, the Common Stock is registered on a
     national securities exchange or traded on Nasdaq, and

  .  if the shares of Tyson Class A Common Stock at the effective time of the
     Proposed Merger will be either listed on a national securities exchange
     or traded on Nasdaq.

As of the date of this Offer to Purchase, the Shares and the Tyson Class A
Common Stock are each listed on the NYSE.

   13. Effect of the Offer on the Market for the Shares; Stock Exchange
Listing(s); Registration under the Exchange Act. If the Proposed Merger is
consummated, stockholders who have not tendered their Shares

                                      30
<PAGE>

in the Offer will receive shares of Tyson Class A Common Stock with a market
value equal to $26.00 if, during the relevant pricing period before the merger,
the average per share price of Tyson Class A Common Stock is at least $12.60
and no more than $15.40. This $26.00 value is subject to change if the average
per share price of Tyson Class A Common Stock is not in that range and the
value you will receive will be proportionately changed. If, however, the
Proposed Merger is not consummated, the purchase of Shares pursuant to the
Offer will reduce the number of Shares that might otherwise trade publicly and
may reduce the number of holders of Shares, which could adversely affect the
liquidity and market value of the remaining Shares held by stockholders other
than Tyson. We cannot predict whether the reduction in the number of Shares
that might otherwise trade publicly would have an adverse or beneficial effect
on the market price for, or marketability of, the Shares or whether such
reduction would cause future market prices to be greater or less than the Offer
price.

   Depending upon the number of Shares purchased pursuant to the Offer, the
Shares may no longer meet the requirements for continued listing in the NYSE.
According to the published guidelines of the NYSE, the NYSE would normally give
consideration to delisting the Shares when, among other things:

  .  the total number of holders of Shares is less than 400,

  .  the total number of holders of Shares is less than 1,200 and the average
     monthly trading volume over the most recent 12 month period is less than
     100,000 Shares,

  .  the number of publicly held Shares (excluding the holdings of officers,
     directors and their families and other concentrated holdings of 10% or
     more) is less than 600,000,

  .  the Company's total global market capitalization is less than $50.0
     million and the total shareholders' equity is less than $50.0 million,

  .  the Company's average global market capitalization over a consecutive
     30-trading-day period is less than $15.0 million, or

  .  the average closing price per Share is less than $1.00 over a
     consecutive 30-trading-day period.

   If, as a result of the purchase of Shares pursuant to the Offer, the Shares
no longer meet the requirements for continued listing in NYSE and the listing
of Shares is discontinued, the market for the Shares could be adversely
affected.

   If the NYSE were to delist the Shares, it is possible that the Shares would
trade on another securities exchange or in the over-the-counter market and that
price quotations for the Shares would be reported by such exchange or through
other sources. The extent of the public market for the Shares and availability
of such quotations would, however, depend upon such factors as the number of
holders and/or the aggregate market value of the publicly-held Shares at such
time, the possible termination of registration of the Shares under the Exchange
Act and other factors. The Shares are currently "margin securities" under the
regulations of the Board of Governors of the Federal Reserve System (the
"Federal Reserve Board"), which has the effect, among other things, of allowing
brokers to extend credit on the collateral of such Shares. Depending upon
factors similar to those described above regarding listing and market
quotations, the Shares might no longer constitute "margin securities" for the
purposes of the Federal Reserve Board's margin regulations and, therefore,
could no longer be used as collateral for loans made by brokers.

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

                                       31
<PAGE>

pursuant to Rule 144 promulgated under the Securities Act. If registration of
the Shares under the Exchange Act were terminated, the Shares would no longer
be "margin securities" or eligible for listing or Nasdaq National Market
reporting.

   14. Dividends and Distributions. If on or after December 11, 2000, the
Company should split, combine or otherwise change the Shares or its
capitalization, acquire or otherwise cause a reduction in the number of
outstanding Shares or issue or sell any additional Shares (other than Shares
issued pursuant to and in accordance with the terms in effect on December 11,
2000 of employee stock options outstanding prior to such date), shares of any
other class or series of capital stock, other voting securities or any
securities convertible into, or options, rights, or warrants, conditional or
otherwise, to acquire, any of the foregoing, then, without prejudice to our
rights under "The Offer--Conditions to the Offer", we may, in our sole
discretion, make such adjustments in the purchase price and other terms of the
Offer as we deem appropriate including the number or type of securities to be
purchased.

   15. Conditions to the Offer. Notwithstanding any other provision of the
Offer, we are not required to accept for payment or pay for any Shares, and we
may terminate the Offer, if:

     (1) prior to the Expiration Date, any of the Minimum Condition, the
  Merger Agreement Condition or the Section 203 Condition, in Tyson's sole
  discretion, has not been satisfied, or any waiting periods under applicable
  antitrust laws shall not have expired or been terminated; and

     (2) at any time on or after December 11, 2000 and prior to the
  Expiration Date, any of the following conditions exists:

       (a) there shall have been any law or order promulgated, entered,
    enforced, enacted, issued or deemed applicable to the Offer or the
    Proposed Merger by any court of competent jurisdiction or other
    competent governmental or regulatory authority which, directly or
    indirectly, (1) prohibits, or imposes any material limitations on,
    Tyson's or Purchaser's ownership or operation (or that of any of their
    respective subsidiaries or affiliates) of any portion of their or the
    Company's businesses or assets which is material to the business of all
    such entities taken as a whole, or compels Tyson or Purchaser (or their
    respective subsidiaries or affiliates) to dispose of or hold separate
    any portion of their or the Company's business or assets which is
    material to the business of all such entities taken as a whole, (2)
    prohibits, restrains or makes illegal the acceptance for payment,
    payment for or purchase of Shares pursuant to the Offer or the
    consummation of the Proposed Merger, (3) imposes material limitations
    on the ability of Purchaser or Tyson (or any of their respective
    subsidiaries or affiliates) effectively to acquire or to hold or to
    exercise full rights of ownership of the Shares purchased pursuant to
    the Offer including, without limitation, the right to vote such Shares
    on all matters properly presented to the Company's stockholders, (4)
    imposes material limitations on the ability of Purchaser or Tyson (or
    any of their respective subsidiaries or affiliates) effectively to
    control in any material respect any material portion of the business or
    assets of the Company and its subsidiaries taken as a whole, or (5)
    otherwise materially adversely affects the Company and its subsidiaries
    taken as a whole;

       (b) there shall be instituted or pending any action, suit or
    proceeding brought by a governmental or regulatory authority (1)
    challenging or seeking to make illegal the acquisition by Tyson or
    Purchaser of Shares or otherwise seeking to restrain or prohibit the
    making or consummation of the Offer or the Proposed Merger or (2) that
    could reasonably be expected to result, directly or indirectly, in any
    of the consequences referred to in clauses (1) through (5) of paragraph
    (a) above;

       (c) there shall have occurred (1) any general suspension of trading
    in, or limitation on prices for, securities on any United States
    national securities exchange or in the over-the-counter market, (2) a
    declaration of a banking moratorium or any suspension of payments in
    respect of banks in the United States (whether or not mandatory), (3) a
    commencement of a war, armed hostilities or other international or
    national calamity directly or indirectly involving the United States
    which has a material adverse effect on general economic conditions in
    the United States, (4) any limitation (whether or not mandatory) by any
    United States Governmental or Regulatory Authority on the extension of
    credit by

                                       32
<PAGE>

    banks or other financial institutions, (5) any decline in either the
    Dow Jones Industrial Average or the Standard & Poor's 500 Index by an
    amount in excess of a percentage to be agreed with the Company measured
    from the close of business on the date of the Offer or (6) in the case
    of any of the foregoing (other than clause (5)) existing at the time of
    the Offer, a material acceleration or worsening thereof;

       (d) there shall have been any change, event or development having,
    or that could reasonably be expected to have, individually or in the
    aggregate, a material adverse effect on the condition (financial or
    otherwise), business, assets, liabilities or results of operations of
    the Company and its subsidiaries taken as a whole;

       (e) Tyson, Purchaser and the Company shall have agreed that
    Purchaser shall amend the Offer to terminate the Offer or postpone the
    payment for Shares thereunder; or

       (f) any person (which includes a "person" as such term is defined in
    Section 13(d)(3) of the Exchange Act) other than Purchaser, any of its
    affiliates, or any group of which any of them is a member shall have
    acquired beneficial ownership of more than 5% of the outstanding
    Shares, or any group shall have been formed which beneficially owns
    more than 5% of the outstanding Shares of Company Common Stock, in each
    case other than any person or group that has disclosed such ownership
    prior to the date of the Offer, and no such person or group shall have
    increased its beneficial ownership in the Company by more than 1% of
    the outstanding Shares;

which, in the reasonable judgment of Tyson in any such case, and regardless of
the circumstances (including any action or omission by Tyson but excluding any
willful action or omission by Tyson) giving rise to any such condition, makes
it inadvisable to proceed with the Offer or with such acceptance for payment
or payment.

   16. Certain Legal Matters; Regulatory Approvals. General. We are not aware
of any governmental license or regulatory permit that appears to be material
to the Company's business that might be adversely affected by our acquisition
of Shares pursuant to the Offer or, except as set forth below, of any approval
or other action by any government or governmental administrative or regulatory
authority or agency, domestic or foreign, that would be required for our
acquisition or ownership of Shares pursuant to the Offer. Should any such
approval or other action be required, we currently contemplate that, such
approval or other action will be sought. There can be no assurance that any
such approval or other action, if needed, would be obtained (with or without
substantial conditions) or that if such approvals were not obtained or such
other actions were not taken adverse consequences might not result to the
Company's business or certain parts of the Company's business might not have
to be disposed of, any of which could cause us to elect to terminate the Offer
without the purchase of Shares thereunder. Our obligation under the Offer to
accept for payment and pay for Shares is subject to certain conditions. See
"The Offer--Conditions to the Offer".

   State Takeover Laws. Section 203 of the DGCL, in general, prohibits a
Delaware corporation such as the Company from engaging in a "business
combination" (defined as a variety of transactions, including mergers) with an
"interested stockholder" (defined generally as a person that is the beneficial
owner of 15% or more of a corporation's outstanding voting stock) for a period
of three years following the time that such person became an interested
stockholder unless, among other things, prior to the time such person became
an interested stockholder, the board of directors of the corporation approved
either the business combination or the transaction that resulted in the
stockholder becoming an interested stockholder. The Offer is conditioned upon,
among other things, that Tyson is satisfied, in its sole discretion, that
Section 203 of the DGCL is inapplicable to the Offer and the Proposed Merger.

   A number of states have adopted takeover laws and regulations that purport
to be applicable to attempts to acquire securities of corporations that are
incorporated in those states or that have substantial assets, stockholders,
principal executive offices or principal places of business in those states.
To the extent that these state takeover statutes purport to apply to the Offer
or the Proposed Merger, we believe that those laws conflict with U.S. federal
law and are an unconstitutional burden on interstate commerce. In 1982, the
Supreme Court of the United States, in EDGAR v. MITE CORP., invalidated on
constitutional grounds the Illinois Business Takeover Statute, which,

                                      33
<PAGE>

as a matter of state securities law, made takeover of corporations meeting
certain requirements more difficult. The reasoning in that decision is likely
to apply to certain other state takeover statutes. In 1987, however, in CTS
CORP. v. DYNAMICS CORP. OF AMERICA, the Supreme Court of the United States
held that the State of Indiana could as a matter of corporate law and, in
particular, those aspects of corporate law concerning corporate governance,
constitutionally disqualify a potential acquiror from voting on the affairs of
a target corporation without the prior approval of the remaining stockholders,
as long as those laws were applicable only under certain conditions.
Subsequently, in TLX ACQUISITION CORP. v. TELEX CORP., a federal district
court in Oklahoma ruled that the Oklahoma statutes were unconstitutional
insofar as they apply to corporations incorporated outside Oklahoma, because
they would subject those corporations to inconsistent regulations. Similarly,
in TYSON FOODS, INC. v. MCREYNOLDS, a federal district court in Tennessee
ruled that four Tennessee takeover statutes were unconstitutional as applied
to corporations incorporated outside Tennessee. This decision was affirmed by
the United State Court of Appeals for the Sixth Circuit. In December 1988, a
federal district court in Florida held, in GRAND METROPOLITAN PLC v.
BUTTERWORTH, that the provisions of the Florida Affiliated Transactions Act
and Florida Control Share Acquisition Act were unconstitutional as applied to
corporations incorporated outside of Florida.

   We have not attempted to comply with any state takeover statutes in
connection with this Offer or the Proposed Merger. We reserve the right to
challenge the validity or applicability of any state law allegedly applicable
to the Offer or the Proposed Merger, and nothing in this Offer to Purchase nor
any action that we take in connection with the Offer is intended as a waiver
of that right. In the event that it is asserted that one or more takeover
statutes apply to the Offer or the Proposed Merger, and it is not determined
by an appropriate court that the statutes in question do not apply or are
invalid as applied to the Offer or the Proposed Merger, as applicable, we may
be required to file certain documents with, or receive approvals from, the
relevant state authorities, and we might be unable to accept for payment or
purchase Shares tendered in the Offer or be delayed in continuing or
consummating the Offer. In that case, we may not be obligated to accept for
purchase, or pay for, any Shares tendered. See Section 15.

   Antitrust. Under the Hart-Scott Rodino Antitrust Improvements Act of 1976,
as amended (the "HSR Act") and the rules that have been promulgated thereunder
by the Federal Trade Commission (the "FTC"), certain acquisition transactions
may not be consummated unless certain information has been furnished to the
Antitrust Division of the Department of Justice (the "Antitrust Division") and
the FTC and certain waiting period requirements have been satisfied. The
purchase of Shares pursuant to the Offer is subject to such requirements.

   Pursuant to the requirements of the HSR Act, Tyson intends to file a
Notification and Report Form with respect to the Offer and the Proposed Merger
with the Antitrust Division and the FTC on December 12, 2000. As a result, the
waiting period applicable to the purchase of Shares pursuant to the Offer is
scheduled to expire at 11:59 P.M., New York City time, on Wednesday, December
27, 2000. However, prior to such time, the Antitrust Division or the FTC may
extend the waiting period by requesting additional information or documentary
material relevant to the Offer from us. If such a request is made, the waiting
period will be extended until 11:59 P.M., New York City time, on the tenth day
after our substantial compliance with such request. Thereafter, such waiting
period can be extended only by court order. A request will be made pursuant to
the HSR Act for early termination of the waiting period applicable to the
Offer. There can be no assurance, however, that the 15-day HSR Act waiting
period will be terminated early.

   Shares will not be accepted for payment or paid for pursuant to the Offer
until the expiration or earlier termination of the applicable waiting period
under the HSR Act. See "The Offer--Conditions to the Offer". Any extension of
the waiting period will not give rise to any withdrawal rights not otherwise
provided for by applicable law. See "The Offer--Withdrawal Rights". Subject to
certain circumstances described in "The Offer--Extension of Tender Period",
any extension of the waiting period will not give rise to any withdrawal
rights not otherwise provided for by applicable law. If our acquisition of
Shares is delayed pursuant to a request by the Antitrust Division or the FTC
for additional information or documentary material pursuant to the HSR Act,
the Offer may be extended.


                                      34
<PAGE>

   The Antitrust Division and the FTC frequently scrutinize the legality under
the antitrust laws of transactions such as our acquisition of Shares pursuant
to the Offer. At any time before or after the consummation of any such
transactions, the Antitrust Division or the FTC could take such action under
the antitrust laws as it deems necessary or desirable in the public interest,
including seeking to enjoin the purchase of Shares pursuant to the Offer or
seeking divestiture of the Shares so acquired or divestiture of Tyson's or the
Company's substantial assets. Private parties (including individual states)
may also bring legal actions under the antitrust laws. We do not believe that
the consummation of the Offer will result in a violation of any applicable
antitrust laws. However, there can be no assurance that a challenge to the
Offer on antitrust grounds will not be made, or if such a challenge is made,
what the result will be. See "The Offer--Conditions to the Offer" for certain
conditions to the Offer, including conditions with respect to litigation and
certain governmental actions.

   17. Fees and Expenses. Merrill Lynch is acting as Tyson's exclusive
financial advisor in connection with the Offer and the Proposed Merger. Tyson
and the Purchaser have also engaged Merrill Lynch to act as the Dealer Manager
in connection with the Offer. Pursuant to its engagement letter with Merrill
Lynch, Tyson has agreed to pay Merrill Lynch, as compensation for its services
as financial advisor, a transaction fee of $14 million payable upon the
acceptance for payment by the Purchaser of Shares pursuant to the Offer,
against which a fee of $2 million payable to Merrill Lynch upon commencement
of the Offer will be credited. Tyson has also agreed to reimburse Merrill
Lynch for its reasonable out-of-pocket expenses incurred in connection with
Merrill Lynch's engagement, including the reasonable fees and disbursements of
counsel, and to indemnify Merrill Lynch against certain liabilities, including
certain liabilities under the federal securities laws.

   Tyson has retained MacKenzie Partners, Inc. to act as the Information Agent
and Wilmington Trust Company to act as the Depositary in connection with the
Offer. The Information Agent may contact holders of Shares by mail, telephone,
telex, telegraph and personal interviews and may request brokers, dealers,
banks, trust companies and other nominees to forward materials relating to the
Offer to beneficial owners. The Information Agent and the Depositary each will
receive reasonable and customary compensation for their respective services,
will be reimbursed for certain reasonable out-of-pocket expenses and will be
indemnified against certain liabilities in connection therewith, including
certain liabilities under the federal securities laws.

   We will not pay any fees or commissions to any broker or dealer or any
other person (other than the Dealer Manager, the Information Agent and the
Depositary) for soliciting tenders of Shares pursuant to the Offer. Brokers,
dealers, commercial banks and trust companies will, upon request, be
reimbursed by us for reasonable and necessary costs and expenses incurred by
them in forwarding materials to their customers.

   18. Miscellaneous. The Offer is not being made to, nor will tenders be
accepted from or on behalf of, holders of Shares in any jurisdiction in which
the making of the Offer or acceptance thereof would not be in compliance with
the laws of such jurisdiction. However, we may, in our discretion, take such
action as we may deem necessary to make the Offer in any such jurisdiction and
extend the Offer to holders of Shares in such jurisdiction.

   No person has been authorized to give any information or make any
representation on behalf of Purchaser or Tyson not contained in this Offer to
Purchase or in the Letter of Transmittal and, if given or made, such
information or representation must not be relied upon as having been
authorized.

   We have filed with the SEC a Tender Offer Statement on Schedule TO,
together with exhibits, pursuant to Rule 14d-3 of the General Rules and
Regulations under the Exchange Act, furnishing certain additional information
with respect to the Offer. The Schedule TO and any amendments thereto,
including exhibits, may be examined and copies may be obtained from the
offices of the SEC in the manner set forth in "The Offer--Certain Information
Concerning Purchaser and Tyson--Available Information" of this Offer to
Purchase (except that such information will not be available at the regional
offices of the SEC).

                                          TYSON FOODS, INC.

                                          LASSO ACQUISITION CORPORATION

December 12, 2000

                                      35
<PAGE>

                                                                     SCHEDULE I

            DIRECTORS AND EXECUTIVE OFFICERS OF TYSON AND PURCHASER

   The name, current principal occupation or employment and material
occupations, positions, offices or employment for the past five years, of each
director and executive officer of Tyson are set forth below. References herein
to "Tyson" mean Tyson Foods, Inc. Unless otherwise indicated below, the
business address of each director and officer is c/o Tyson Foods, Inc., 2210
West Oaklawn Drive, Springdale, Arkansas 72762-6999. Where no date is shown,
the individual has occupied the position indicated for the past five years.
Unless otherwise indicated, each occupation set forth opposite an individual's
name refers to employment with Tyson. Except as described herein, none of the
directors and officers of Tyson listed below has, during the past five years,
(i) been convicted in a criminal proceeding or (ii) been a party to any
judicial or administrative proceeding that resulted in a judgment, decree or
final order enjoining the person from future violations of, or prohibiting
activities subject to, federal or state securities laws, or a finding of any
violation of federal or state securities laws. All directors and officers
listed below are citizens of the United States.

   On August 22, 1996, Don Tyson entered into a Stipulation and Consent with
the SEC pursuant to which Mr. Tyson, without admitting or denying any
wrongdoing, consented and agreed to the entry of a Final Judgment permanently
enjoining him from violating Section 10(b) of the Securities Exchange Act of
1934 and Rule 10b-5 thereunder and requiring the payment of a civil money
penalty of $46,125. The Stipulation and Consent was entered as a Final
Judgment on October 8, 1996, by the United States District Court for the
Western District of Arkansas. The Stipulation and Consent arose as a result of
the SEC's investigation of certain purchases and sales of common stock of
Arctic Alaska Fisheries Corporation by Fred Cameron, an acquaintance of Mr.
Tyson, in June 1992.

                   DIRECTORS AND EXECUTIVE OFFICERS OF TYSON

<TABLE>
<CAPTION>
                      Current Principal Occupation or Employment and Five-Year
 Name                                    Employment History
 ----                 --------------------------------------------------------
 <C>                 <S>
 Don Tyson.......... Senior Chairman of Tyson's Board, served as Chairman of
                     Tyson's Board until April 1995 when he was named Senior
                     Chairman. Mr. Tyson served as Chief Executive Officer
                     until March 1991 and has been a member of Tyson's Board
                     since 1952.

 John H. Tyson...... Chairman of Tyson's Board since October 1, 1998 and
                     assumed responsibilities as President and Chief Executive
                     Officer in April 2000. He previously served as Vice
                     Chairman since 1997 and President of the Beef and Pork
                     Division since 1993. Mr. Tyson has been a member of
                     Tyson's Board since 1984.

 Joe F. Starr....... A private investor, served as a Vice President of Tyson
                     until 1996. Mr. Starr has been a member of the Board since
                     1969.

 Leland E. Tollett.. Served as Chairman and Chief Executive Officer from 1995
                     to 1998. An employee of Tyson since 1959, Mr. Tollett was
                     President and Chief Executive Officer from 1991 to 1995.
                     Mr. Tollett has been a member of Tyson's Board since 1984.

 Shelby Massey...... Farmer and a private investor. He served as Senior Vice
                     Chairman of Tyson's Board from 1985 to 1988 and has been a
                     member of Tyson's Board since 1985.

 Barbara A. Tyson... Vice President of Tyson. Ms. Tyson has served in related
                     capacities since 1988. Ms. Tyson has been a member of
                     Tyson's Board since 1988.

 Lloyd V. Hackley... President and Chief Executive Officer of Lloyd V. Hackley
                     and Associates, Inc. He is a director of Branch Banking
                     and Trust Corporation headquartered in Winston-Salem,
                     North Carolina. He was president of the North Carolina
                     Community College System from 1995 to 1997. Mr. Hackley
                     has been a member of Tyson's Board since 1992.

</TABLE>

                                      36
<PAGE>

<TABLE>
<CAPTION>
                       Current Principal Occupation or Employment and Five-Year
 Name                                     Employment History
 ----                  --------------------------------------------------------
 <C>                  <S>
 Donald E. Wray...... Retired as President of the Tyson in March 2000 after 39
                      years with Tyson in various capacities. Mr. Wray has
                      served as President and Chief Operating Officer from 1995
                      to 1999 after serving as Chief Operating Officer since
                      1991. Mr. Wray has been a member of Tyson's Board since
                      1994.

 Gerald M. Johnston.. Private investor, was Executive Vice President of Finance
                      for Tyson from 1981 to 1996 when he retired and became a
                      consultant to the Company. He is a director of Fairfield
                      Communities, Inc. Mr. Johnston has been a member of
                      Tyson's Board since 1996.

 Jim Kever........... Director of Quintiles Transnational ("Quintiles") since
                      May 6, 1999 and has served as Chief Executive Officer of
                      Envoy Corporation ("Envoy"), subsidiary of Quintiles,
                      since Envoy was acquired by Quintiles in March 1999. Mr.
                      Kever served as President and Co-Chief Executive Officer
                      of Envoy from August 1995 until March 1999 and as a
                      director from Envoy's incorporation in August 1994 until
                      March 1999. Mr. Kever also is a director of Transaction
                      System Architects, Inc., a supplier of electronic payment
                      software products and network integration solutions, and
                      3D Systems Corporation, a manufacturer of technologically
                      advanced solid imaging systems and prototype models. Mr.
                      Kever has been a member of Tyson's Board since May 1999.

 David A. Jones...... Chairman and Chief Executive Officer of Rayovac
                      Corporation since 1996. Before joining Rayovac, Mr. Jones
                      served as President, Chief Executive Officer and Chairman
                      of Thermoscan, Inc. and as President, Chief Executive
                      Officer and Chairman of Regina Company. He was previously
                      with Electrolux Corporation and General Electric Co. Mr.
                      Jones is also a director of SCI, Inc., an electronics
                      manufacturer, and Spectrum Brands, a specialty chemical
                      manufacturer. Mr. Jones was elected to the Board in
                      August 2000.

 Barbara Allen....... President and Chief Operating Officer of Paladin
                      Resources and has served in those capacities since 1999.
                      Before joining Paladin Resources, Ms. Allen was President
                      of Corporate Supplier Solutions for Corporate Express
                      from 1998 to 1999. Previously, she was with Quaker Oats
                      Co. for 23 years where she held several senior positions
                      including Executive Vice President of International
                      Foods, Vice President of Corporate Strategic Planning,
                      President of the Frozen Foods Divison and Vice President
                      of Marketing. Ms. Allen is also a director of Maytag
                      Corporation and Chart House Enterprises. Ms. Allen was
                      elected to the Board in November 2000.

 Neely E. Cassady.... Chairman of the Board and President of Cassady
                      Investments, Inc. and served as a Senator in the Arkansas
                      General Assembly from 1983 to 1996. Mr. Cassady has been
                      a member of the Board since 1974.

 Fred Vorsanger...... Private business consultant, manager of Bud Walton Arena
                      and Vice President Emeritus of Finance and Administration
                      at the University of Arkansas. He is a director of
                      McIlroy Bank & Trust of Fayetteville, Arkansas. Mr.
                      Vorsanger has been a member of the Board since 1977.
</TABLE>

                                       37
<PAGE>

                 DIRECTORS AND EXECUTIVE OFFICERS OF PURCHASER

   The name, current principal occupation or employment and material
occupations, positions, offices or employment for the past five years of each
director and executive officer of Purchaser are set forth below. Unless
otherwise indicated below, the business address of each director and officer
is c/o Tyson Foods, Inc., 2210 West Oaklawn Drive, Springdale, Arkansas 72762-
6999. Unless otherwise indicated, each occupation set forth opposite an
individual's name refers to employment with Purchaser. Except as described
herein, none of the directors and officers of Purchaser listed below has,
during the past five years, (i) been convicted in a criminal proceeding or
(ii) been a party to any judicial or administrative proceeding that resulted
in a judgement, decree or final order enjoining the person from future
violations of, or prohibiting activities subject to, federal or state
securities laws, or a finding of any violation of federal or state securities
laws. All directors and officers listed below are citizens of the United
States.

   On August 22, 1996, Don Tyson entered into a Stipulation and Consent with
the SEC pursuant to which Mr. Tyson, without admitting or denying any
wrongdoing, consented and agreed to the entry of a Final Judgment permanently
enjoining him from violating Section 10(b) of the Securities Exchange Act of
1934 and Rule 10b-5 thereunder and requiring the payment of a civil money
penalty of $46,125. The Stipulation and Consent was entered as a Final
Judgment on October 8, 1996, by the United States District Court for the
Western District of Arkansas. The Stipulation and Consent arose as a result of
the SEC's investigation of certain purchases and sales of common stock of
Arctic Alaska Fisheries Corporation by Fred Cameron, an acquaintance of Mr.
Tyson, in June 1992.

                 DIRECTORS AND EXECUTIVE OFFICERS OF PURCHASER

<TABLE>
<CAPTION>
                      Current Principal Occupation or Employment and Five-Year
 Name                                    Employment History
 ----                 --------------------------------------------------------
 <C>                <S>
 Don Tyson......... Director. Senior Chairman of Tyson's Board, served as
                    Chairman of Tyson's Board until April 1995 when he was
                    named Senior Chairman. Mr. Tyson served as Chief Executive
                    Officer until March 1991 and has been a member of Tyson's
                    Board since 1952.

 John H. Tyson..... Director and President. Chairman of Tyson's Board since
                    October 1, 1998 and assumed responsibilities as President
                    and Chief Executive Officer in April 2000. He previously
                    served as Vice Chairman since 1997 and President of the
                    Beef and Pork Division since 1993. Mr. Tyson has been a
                    member of Tyson's Board since 1984.

 Greg W. Lee....... Director. Mr. Lee was appointed Chief Operating Officer of
                    Tyson in 1999 after serving as President of Tyson's
                    Foodservice Group since 1998 and Executive Vice President,
                    Sales, Marketing and Technical Services since 1995.

 Steve Hankins..... Executive Vice President. Mr. Hankins was appointed Tyson's
                    Executive Vice President and Chief Financial Officer in
                    1998 after serving as Tyson's Senior Vice President,
                    Financial Planning and Shared Services since 1997 and Vice
                    President, Management Information Systems since 1993.

 Les Baledge....... Executive Vice President. Mr. Baledge was appointed Tyson's
                    Executive Vice President and General Counsel in 2000 after
                    serving as Tyson's Executive Vice President and Associate
                    General Counsel since 1999 upon joining Tyson. Prior to
                    joining Tyson, Mr. Baledge was of counsel to the law firm
                    of Kutak Rock LLP and a partner with the Rose Law Firm.

 R. Read Hudson.... Secretary. Mr. Hudson was appointed Tyson's Secretary and
                    Corporate Counsel in 1998 after serving as Tyson's
                    Corporate Counsel since 1992.

 Dennis Leatherby.. Treasurer. Mr. Leatherby was appointed Tyson's Senior Vice
                    President, Finance and Treasurer in 1998 after serving as
                    Vice President and Treasurer since 1997 and Treasurer since
                    1994.
</TABLE>

                                      38
<PAGE>

                                                                     SCHEDULE II

                             TRANSACTIONS IN SHARES

<TABLE>
<CAPTION>
          No. of Shares Price Per
Date        Purchased    Share*
----      ------------- ---------
<S>       <C>           <C>
11/30/00     119,000      22.32
12/1/00      455,200      22.56
</TABLE>


--------
* Net of Brokerage Commissions

                                       39
<PAGE>

   The Letter of Transmittal and certificates for Shares and any other required
documents should be sent to the Depositary at one of the addresses set forth
below:

                        The Depositary for the Offer is:

                            WILMINGTON TRUST COMPANY

               By Mail:                     By Hand/Overnight Courier:


      Corporate Trust Operations              Wilmington Trust Company
       Wilmington Trust Company          1105 North Market Street, 1st Floor
             P O Box 8861                       Wilmington, DE 19801
      Wilmington, DE 19899-8861           Attn: Corporate Trust Operations

                                 By Facsimile:
                                 (302) 651-1079

                             Confirm by Telephone:
                                 (302) 651-8869

   If you have questions or need additional copies of this Offer to Purchase
and the Letter of Transmittal, you can call the Information Agent or the Dealer
Manager at their respective addresses and telephone numbers set forth below.
You may also contact your broker, dealer, commercial bank, trust company or
other nominee for assistance concerning the Offer.

                    The Information Agent for the Offer is:

                              [LOGO OF MACKENZIE]

                                156 Fifth Avenue
                            New York, New York 10010
                         (212) 929-5500 (Call Collect)
                      E-mail: [email protected]
                                       or
                         Call Toll Free (800) 322-2885

                      The Dealer Manager for the Offer is:

                              Merrill Lynch & Co.

                          Four World Financial Center
                            New York, New York 10080

                          Call Collect: (212) 236-3790
<PAGE>

Forward Looking Statements

Certain statements contained in this communication are "forward-looking
statements" within the meaning of the Private Securities Litigation Reform Act
of 1995, such as statements relating to Tyson's belief that the proposed
transaction is expected to be immediately accretive to earnings; the regulatory
review and approvals to be triggered by the proposed transaction; the prospects
and financial condition of the combined operations of Tyson and IBP; the ability
of the parties to successfully consummate the transaction and integrate the
operations of the combined enterprises; the intended qualification of the
proposed transaction as a tax-free reorganization; and other statements relating
to future events and financial performance and the proposed Tyson acquisition of
IBP. These forward-looking statements are subject to risks, uncertainties and
other factors which could cause actual results to differ materially from
historical experience or from future results expressed or implied by such
forward-looking statements. Among the factors that may cause actual results


<PAGE>


to differ materially from those expressed in, or implied by, the statements are
the following: (i) the risks that Tyson and IBP will not successfully integrate
their combined operations; (ii) the risk that Tyson and IBP will not realize
estimated synergies; (iii) unknown costs relating to the proposed transaction;
(iv) risks associated with the availability and costs of financing, including
cost increases due to rising interest rates; (v) fluctuations in the cost and
availability of raw materials, such as feed grain costs; (vi) changes in the
availability and relative costs of labor and contract growers; (vii) market
conditions for finished products, including the supply and pricing of
alternative proteins; (viii) effectiveness of advertising and marketing
programs; (ix) changes in regulations and laws, including changes in accounting
standards, environmental laws, and occupational, health and safety laws; (x)
access to foreign markets together with foreign economic conditions, including
currency fluctuations; (xi) the effect of, or changes in, general economic
conditions; and (xii) adverse results from on-going litigation. Tyson undertakes
no obligation to publicly update any forward-looking statements, whether as a
result of new information, future events or otherwise.

Important Information.

The information in this communication concerning IBP and the proposed
transactions by IBP management and Smithfield Foods has been taken from, or is
based upon, publicly available information. Although Tyson does not have any
information that would indicate that any information contained in this news
release that has been taken from such documents is inaccurate or incomplete,
Tyson does not take any responsibility for the accuracy or completeness of such
information.

MORE DETAILED INFORMATION PERTAINING TO TYSON'S PROPOSAL WILL BE SET FORTH IN
APPROPRIATE FILINGS TO BE MADE WITH THE SEC, IF AND WHEN MADE. SHAREHOLDERS ARE
URGED TO READ ANY RELEVANT DOCUMENTS THAT MAY BE FILE WITH THE SEC BECAUSE THEY
WILL CONTAIN IMPORTANT INFORMATION. SHAREHOLDERS WILL BE ABLE TO OBTAIN A FREE
COPY OF ANY FILINGS CONTAINING INFORMATION ABOUT TYSON AND IBP, WITHOUT CHARGE,
AT THE SEC'S INTERNET SITE (HTTP://WWW.SEC.GOV). COPIES OF ANY FILINGS
CONTAINING INFORMATION ABOUT TYSON CAN ALSO BE OBTAINED, WITHOUT CHARGE, BY
DIRECTING A REQUEST TO TYSON FOODS, INC., 2210 WEST OAKLAWN DRIVE, SPRINGDALE,
ARKANSAS 72762-6999, ATTENTION: OFFICE OF THE CORPORATE SECRETARY (501)
290-4000.

Tyson and certain other persons named below may be deemed to be participants in
the solicitation of proxies. The participants in this solicitation may include
the directors and executive officers of Tyson. A detailed list of the names of
Tyson's directors and officers is contained in Tyson's proxy statement for its
2000 annual meeting, which may be obtained without charge at the SEC's Internet
site (http://www.sec.gov) or by directing a request to Tyson at the address
provided above.

AS OF THE DATE OF THIS PRESS RELEASE, NONE OF THE FOREGOING PARTICIPANTS,
INDIVIDUALLY BENEFICIALLY OWNS IN EXCESS OF 5% OF IBP'S COMMON STOCK.
EXCEPT AS DISCLOSED ABOVE AND IN TYSON'S PROXY STATEMENT FOR ITS 2001


<PAGE>



ANNUAL MEETING AND OTHER DOCUMENTS FILED WITH THE SEC, TO THE KNOWLEDGE OF
TYSON, NONE OF THE DIRECTORS OR EXECUTIVE OFFICERS OF TYSON HAS ANY MATERIAL
INTEREST, DIRECT OR INDIRECT, BY SECURITY HOLDINGS OR OTHERWISE, IN TYSON OR
IBP.

This communication is not an offer to purchase shares of IBP, nor is it an offer
to sell shares of Tyson Class A common stock which may be issued in any proposed
merger with IBP. Any issuance of Tyson Class A common stock in any proposed
merger with IBP would have to be registered under the Securities Act of 1933, as
amended, and such Tyson stock would be offered only by means of a prospectus
complying with the Act.






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