CSX CORP
SC 14D1/A, 1996-11-06
RAILROADS, LINE-HAUL OPERATING
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<PAGE>   1
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
                                 SCHEDULE 14D-1
 
                             TENDER OFFER STATEMENT
                               (AMENDMENT NO. 4)
 
                                  PURSUANT TO
            SECTION 14(D)(1) OF THE SECURITIES EXCHANGE ACT OF 1934
                                      AND
 
                                  SCHEDULE 13D
                            ------------------------
                                  CONRAIL INC.
                           (NAME OF SUBJECT COMPANY)
                                CSX CORPORATION
                            GREEN ACQUISITION CORP.
                                   (BIDDERS)
 
                    COMMON STOCK, PAR VALUE $1.00 PER SHARE
                         (TITLE OF CLASS OF SECURITIES)
                                  208368 10 0
                     (CUSIP NUMBER OF CLASS OF SECURITIES)
 
                        SERIES A ESOP CONVERTIBLE JUNIOR
                       PREFERRED STOCK, WITHOUT PAR VALUE
                         (TITLE OF CLASS OF SECURITIES)
 
                                 NOT AVAILABLE
                     (CUSIP NUMBER OF CLASS OF SECURITIES)
 
                                  MARK G. ARON
                                CSX CORPORATION
                                ONE JAMES CENTER
                              901 EAST CARY STREET
                         RICHMOND, VIRGINIA 23219-4031
                 (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON
     AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS ON BEHALF OF BIDDER)
                                WITH A COPY TO:
 
                                PAMELA S. SEYMON
                         WACHTELL, LIPTON, ROSEN & KATZ
                              51 WEST 52ND STREET
                            NEW YORK, NEW YORK 10019
                           TELEPHONE: (212) 403-1000
                            ------------------------
                           CALCULATION OF FILING FEE
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
     TRANSACTION VALUATION*                 AMOUNT OF FILING FEE**
- ---------------------------------      ---------------------------------
<S>                                    <C>
         $1,964,613,640                            $392,923
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 * For purposes of calculating the filing fee only. This calculation assumes the
   purchase of an aggregate of 17,860,124 Shares of Common Stock, par value
   $1.00 per share, or Series A ESOP Convertible Junior Preferred Stock, without
   par value, of Conrail Inc. at $110.00 net per share in cash.
** The amount of the filing fee, calculated in accordance with Rule 0-11(d) of
   the Securities Exchange Act of 1934, as amended, equals 1/50th of one percent
   of the aggregate value of cash offered by Green Acquisition Corp. for such
   number of Shares.
                            ------------------------
[X]  Check box if any part of the fee is offset as provided by Rule 0-11(a)(2)
     and identify the filing with which the offsetting fee was previously paid.
     Identify the previous filing by registration statement number, or the form
     or schedule and the date of its filing.
 
<TABLE>
<S>                                     <C>
Amount Previously Paid:                 $330,413
Form or Registration No.:               Schedule 14A
Filing Party:                           CSX Corporation and
                                        Green Acquisition Corp.
Date Filed:                             October 16, 1996
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
     This Statement amends and supplements the Tender Offer Statement on
Schedule 14D-1 filed with the Securities and Exchange Commission (the
"Commission") on October 16, 1996, as previously amended and supplemented (the
"Schedule 14D-1"), by Green Acquisition Corp. ("Purchaser"), a Pennsylvania
corporation and a wholly owned subsidiary of CSX Corporation, a Virginia
corporation ("Parent"), to purchase an aggregate of 17,860,124 shares of (i)
Common Stock, par value $1.00 per share (the "Common Shares"), and (ii) Series A
ESOP Convertible Junior Preferred Stock, without par value (together with the
Common Shares, the "Shares"), of Conrail Inc., a Pennsylvania corporation (the
"Company"), including, in each case, the associated Common Stock Purchase
Rights, upon the terms and subject to the conditions set forth in the Offer to
Purchase, dated October 16, 1996 (the "Offer to Purchase"), as amended and
supplemented by the Supplement thereto, dated November 6, 1996 (the
"Supplement"), and in the related Letters of Transmittal (which, together with
any amendments or supplements thereto, constitute the "Offer") at a purchase
price of $110 per Share, net to the tendering shareholder in cash. Capitalized
terms used and not defined herein shall have the meanings assigned such terms in
the Offer to Purchase, the Supplement and the Schedule 14D-1.
 
ITEM 1.  SECURITY AND SUBJECT COMPANY.
 
     Item 1(b) is hereby amended and supplemented by reference to the
Introduction and Sections 1 and 3 of the Supplement, which Introduction and
Section are incorporated herein by reference.
 
     Item 1(c) is hereby amended and supplemented by reference to Section 2 of
the Supplement, which Section is incorporated herein by reference.
 
ITEM 3.  PAST CONTACTS, TRANSACTIONS OR NEGOTIATIONS WITH THE SUBJECT COMPANY.
 
     Item 3(b) is hereby amended and supplemented by reference to Section 5 of
the Supplement, which Section is incorporated herein by reference.
 
ITEM 4.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
 
     Item 4(a)-(b) is hereby amended and supplemented by reference to Section 4
of the Supplement, which Section is incorporated herein by reference.
 
ITEM 7.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
         TO THE SUBJECT COMPANY'S SECURITIES.
 
     Item 7 is hereby amended and supplemented by reference to Section 7 of the
Supplement, which Section is incorporated by reference.
 
ITEM 10.  ADDITIONAL INFORMATION.
 
     Item 10(b)-(c), (e) is hereby amended and supplemented by reference to
Section 8 of the Supplement, which Section is incorporated by reference.
 
                                        2
<PAGE>   3
 
ITEM 11.  MATERIAL TO BE FILED AS EXHIBITS.
 
<TABLE>
<S>       <C>
(a)(1)    Offer to Purchase, dated October 16, 1996.*
(a)(2)    Letter of Transmittal.*
(a)(3)    Notice of Guaranteed Delivery.*
(a)(4)    Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*
(a)(5)    Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other
          Nominees.*
(a)(6)    Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9.*
(a)(7)    Text of Press Release issued by Parent on October 15, 1996.*
(a)(8)    Form of Summary Advertisement, dated October 16, 1996.*
(a)(9)    Text of Press Release issued by Parent on October 22, 1996*
(a)(10)   Text of Press Release issued by Parent on October 23, 1996.*
(a)(11)   Text of Press Release issued by Parent on October 30, 1996.*
(a)(12)   Text of Press Release issued by Parent on November 3, 1996.
(a)(13)   Supplement to Offer to Purchase, dated November 6, 1996.
(a)(14)   Revised Letter of Transmittal.
(a)(15)   Revised Notice of Guaranteed Delivery.
(a)(16)   Revised Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.
(a)(17)   Revised Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and
          Other Nominees.
(a)(18)   Text of Press Release issued by Parent and the Company on November 6, 1996.
(b)(1)    Commitment Letter, dated October 21, 1996.*
(c)(1)    Agreement and Plan of Merger, dated as of October 14, 1996, by and among Parent, Purchaser
          and the Company.*
(c)(2)    Company Stock Option Agreement, dated as of October 14, 1996, between Parent and the
          Company.*
(c)(3)    Parent Stock Option Agreement, dated as of October 14, 1996, between Parent and the
          Company.*
(c)(4)    Form of Voting Trust Agreement.*
(c)(5)    Complaint in Norfolk Southern Corporation, et al. v. Conrail Inc., et al., No. 96-CV-7167,
          filed on October 23, 1996.*
(c)(6)    First Amended Complaint in Norfolk Southern Corporation, et al. v. Conrail Inc., et al., No.
          96-CV-7167, filed on October 30, 1996.*
(c)(7)    First Amendment to Agreement and Plan of Merger, dated as of November 5, 1996, by and among
          Parent, Purchaser and the Company.
</TABLE>
 
- ---------------
* Previously filed.
 
                                        3
<PAGE>   4
 
                                   SIGNATURE
 
     After due inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
 
                                      CSX CORPORATION
 
                                      By: /s/  MARK G. ARON
 
                                        ----------------------------------------
                                        Name: Mark G. Aron
                                        Title: Executive Vice President -- Law
                                          and Public Affairs
 
Dated:  November 6, 1996
<PAGE>   5
 
                                   SIGNATURE
 
     After due inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
 
                                      GREEN ACQUISITION CORP.
 
                                      By: /s/  MARK G. ARON
 
                                        ----------------------------------------
                                        Name: Mark G. Aron
                                        Title: General Counsel and Secretary
 
Dated:  November 6, 1996
<PAGE>   6
 
                                  EXIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT
  NO.                                DESCRIPTION OF EXHIBITS
- --------  ------------------------------------------------------------------------------
<S>       <C>                                                                             <C>
(a)(1)    Offer to Purchase, dated October 16, 1996.*
(a)(2)    Letter of Transmittal.*
(a)(3)    Notice of Guaranteed Delivery.*
(a)(4)    Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other
          Nominees.*
(a)(5)    Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust
          Companies and Other Nominees.*
(a)(6)    Guidelines for Certification of Taxpayer Identification Number on Substitute
          Form W-9.*
(a)(7)    Text of Press Release issued by Parent on October 15, 1996.*
(a)(8)    Form of Summary Advertisement, dated October 16, 1996.*
(a)(9)    Text of Press Release issued by Parent on October 22, 1996*
(a)(10)   Text of Press Release issued by Parent on October 23, 1996.*
(a)(11)   Text of Press Release issued by Parent on October 30, 1996.*
(a)(12)   Text of Press Release issued by Parent on November 3, 1996.
(a)(13)   Supplement to Offer to Purchase, dated November 6, 1996.
(a)(14)   Revised Letter of Transmittal.
(a)(15)   Revised Notice of Guaranteed Delivery.
(a)(16)   Revised Letter to Brokers, Dealers, Commercial Banks, Trust Companies and
          Other Nominees.
(a)(17)   Revised Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust
          Companies and Other Nominees.
(a)(18)   Text of Press Release issued by Parent and the Company on November 6, 1996.
(b)(1)    Commitment Letter, dated October 21, 1996.*
(c)(1)    Agreement and Plan of Merger, dated as of October 14, 1996, by and among
          Parent, Purchaser and the Company.*
(c)(2)    Company Stock Option Agreement, dated as of October 14, 1996, between Parent
          and the Company.*
(c)(3)    Parent Stock Option Agreement, dated as of October 14, 1996, between Parent
          and the Company.*
(c)(4)    Form of Voting Trust Agreement.*
(c)(5)    Complaint in Norfolk Southern Corporation, et al. v. Conrail Inc., et al., No.
          96-CV-7167, filed on October 23, 1996.*
(c)(6)    First Amended Complaint in Norfolk Southern Corporation, et al. v. Conrail
          Inc., et al., No. 96-CV-7167, filed on October 30, 1996.*
(c)(7)    First Amendment to Agreement and Plan of Merger, dated as of November 5, 1996,
          by and among Parent, Purchaser and the Company.
</TABLE>
 
- ---------------
* Previously filed.

<PAGE>   1
CSX CORPORATION

                                                CONTACT: Thomas E. Hoppin
                                                         (804) 782-1450


FOR IMMEDIATE RELEASE:

        RICHMOND -- Nov. 3, 1996 -- CSX Corporation (CSX) (NYSE:CSX) today
released the following statement:

        "CSX CORPORATION TODAY ANNOUNCED THAT, AT THE INITIATION OF NORFOLK
SOUTHERN CORP. (NORFOLK SOUTHERN), IT IS HAVING CONVERSATIONS WITH NORFOLK
SOUTHERN ABOUT A POSSIBLE SALE BY THE POST-MERGER CSX/CONRAIL OF CERTAIN
MATERIAL ASSETS. CSX HAS ADVISED CONRAIL INC. OF SUCH CONVERSATIONS. NO
AGREEMENTS HAVE BEEN REACHED AND THERE CAN BE NO ASSURANCE THAT ANY AGREEMENTS
WILL BE REACHED. UNDER THE TERMS OF THE CSX/CONRAIL MERGER AGREEMENT, MUTUAL
AGREEMENT BETWEEN CSX AND CONRAIL WOULD BE REQUIRED FOR AN AGREEMENT OF THE
TYPE DISCUSSED."

        CSX Corporation, headquartered in Richmond, VA, is an international
transportation company offering a variety of rail, container-shipping,
intermodal, trucking, barge, and contract logistics services.

        The address of CSX's home page on the Internet is: http://www.CSX.com.

<PAGE>   1
 
           SUPPLEMENT TO THE OFFER TO PURCHASE DATED OCTOBER 16, 1996
 
                            GREEN ACQUISITION CORP.
                          a wholly owned subsidiary of
                                CSX CORPORATION
           HAS INCREASED THE PRICE OF ITS OFFER TO PURCHASE FOR CASH
 
                       AN AGGREGATE OF 17,860,124 SHARES
                                       OF
       COMMON STOCK AND SERIES A ESOP CONVERTIBLE JUNIOR PREFERRED STOCK
     (including, in each case, the associated Common Stock Purchase Rights)
 
                                       OF
 
                                  CONRAIL INC.
                                       TO
 
                               $110 NET PER SHARE
 
THE OFFER HAS BEEN EXTENDED. THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS
WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON WEDNESDAY, NOVEMBER 20,
1996, UNLESS THE OFFER IS FURTHER EXTENDED.
 
     THE OFFER IS CONDITIONED UPON, AMONG OTHER THINGS, (1) THE RECEIPT BY GREEN
ACQUISITION CORP. ("PURCHASER"), PRIOR TO THE EXPIRATION OF THE OFFER, OF AN
INFORMAL WRITTEN OPINION IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO
PURCHASER FROM THE STAFF OF THE SURFACE TRANSPORTATION BOARD (THE "STB"),
WITHOUT THE IMPOSITION OF ANY CONDITIONS UNACCEPTABLE TO PURCHASER, THAT THE USE
OF A VOTING TRUST (THE "VOTING TRUST") IN SUBSTANTIALLY THE FORM CONTEMPLATED BY
THE MERGER AGREEMENT (AS DEFINED HEREIN) IS CONSISTENT WITH THE POLICIES OF THE
STB AGAINST UNAUTHORIZED ACQUISITIONS OF CONTROL OF A REGULATED CARRIER (THE
"VOTING TRUST CONDITION"), (2) THE RECEIPT BY PURCHASER, PRIOR TO THE EXPIRATION
OF THE OFFER, OF AN INFORMAL STATEMENT FROM THE PREMERGER NOTIFICATION OFFICE OF
THE FEDERAL TRADE COMMISSION ("FTC") THAT THE TRANSACTIONS CONTEMPLATED BY THE
OFFER, THE MERGER AGREEMENT AND THE COMPANY STOCK OPTION AGREEMENT (AS DEFINED
IN THE OFFER TO PURCHASE) ARE NOT SUBJECT TO, OR ARE EXEMPT FROM, THE
HART-SCOTT-RODINO ANTITRUST IMPROVEMENTS ACT OF 1976, AS AMENDED (THE "HSR
ACT"), OR IN THE ABSENCE OF THE RECEIPT OF SUCH INFORMAL STATEMENT, ANY
APPLICABLE WAITING PERIOD UNDER THE HSR ACT SHALL HAVE EXPIRED OR BEEN
TERMINATED PRIOR TO THE EXPIRATION OF THE OFFER (THE "HSR CONDITION"), (3)
PARENT AND PURCHASER OBTAINING, PRIOR TO THE EXPIRATION OF THE OFFER, SUFFICIENT
FINANCING, ON TERMS REASONABLY ACCEPTABLE TO PARENT, TO ENABLE CONSUMMATION OF
THE OFFER AND MERGER (THE "FINANCING CONDITION") AND (4) THERE BEING AT LEAST
17,860,124 SHARES (AS DEFINED HEREIN) VALIDLY TENDERED AND NOT PROPERLY
WITHDRAWN PRIOR TO THE EXPIRATION OF THE OFFER. SEE SECTION 15 OF THE OFFER TO
PURCHASE, AND SECTIONS 4 AND 8 OF THIS SUPPLEMENT.
                            ------------------------
     THE BOARD OF DIRECTORS OF CONRAIL INC. (THE "COMPANY") HAS UNANIMOUSLY
APPROVED THE OFFER AND THE MERGER, DETERMINED THAT THE MERGER AGREEMENT AND THE
TRANSACTIONS CONTEMPLATED THEREBY (INCLUDING THE OFFER AND THE MERGER) ARE IN
THE BEST INTERESTS OF THE COMPANY, AND RECOMMENDS THAT SHAREHOLDERS OF THE
COMPANY WHO DESIRE TO RECEIVE CASH FOR THEIR SHARES ACCEPT THE OFFER AND TENDER
THEIR SHARES PURSUANT TO THE OFFER.
                            ------------------------
                                   IMPORTANT
 
    Any shareholder desiring to tender all or any portion of such shareholder's
shares of common stock, par value $1.00 per share ("Common Shares"), or shares
of Series A ESOP Convertible Junior Preferred Stock, without par value ("ESOP
Preferred Shares," and together with the Common Shares, the "Shares") should
either (i) complete and sign the (blue) Letter of Transmittal (or a facsimile
thereof) circulated with the Offer to Purchase (as defined herein) or this
Supplement in accordance with the instructions in the Letter of Transmittal,
have such shareholder's signature thereon guaranteed if required by Instruction
1 to the Letter of Transmittal, mail or deliver such Letter of Transmittal (or
such facsimile thereof) and any other required documents to the Depositary (as
defined in the Offer to Purchase) and either deliver the certificates for such
Shares to the Depositary along with such Letter of Transmittal (or a facsimile
thereof) or deliver such Shares pursuant to the procedure for book-entry
transfer set forth in Section 3 of the Offer to Purchase prior to the expiration
of the Offer or (ii) request such shareholder's broker, dealer, commercial bank,
trust company or other nominee to effect the transaction for such shareholder. A
shareholder having Shares registered in the name of a broker, dealer, commercial
bank, trust company or other nominee must contact such broker, dealer,
commercial bank, trust company or other nominee if such shareholder desires to
tender such Shares.
 
    Any shareholder who desires to tender Shares and whose certificates for such
Shares are not immediately available, or who cannot comply with the procedures
for book-entry transfer described in the Offer to Purchase on a timely basis,
may tender such Shares by following the procedures for guaranteed delivery set
forth in Section 3 of the Offer to Purchase.
 
    Questions and requests for assistance or for additional copies of this
Supplement, the Offer to Purchase, the Letter of Transmittal or other tender
offer materials may be directed to the Information Agent or the Dealer Manager
(as such terms are defined in the Offer to Purchase) at their respective
addresses and telephone numbers set forth on the back cover of this Supplement.
 
                      The Dealer Manager for the Offer is:
                        WASSERSTEIN PERELLA & CO., INC.
November 6, 1996
<PAGE>   2
 
TO THE HOLDERS OF COMMON STOCK AND SERIES A
ESOP CONVERTIBLE JUNIOR PREFERRED STOCK OF CONRAIL INC.:
 
                                  INTRODUCTION
 
     The following information amends and supplements the Offer to Purchase,
dated October 16, 1996 (the "Offer to Purchase"), of Green Acquisition Corp.
("Purchaser"), a Pennsylvania corporation and a wholly owned subsidiary of CSX
Corporation, a Virginia corporation ("Parent"). Pursuant to this Supplement,
Purchaser is now offering to purchase an aggregate of 17,860,124 Shares of
Conrail Inc., a Pennsylvania corporation (the "Company"), at a price of $110 per
Share, net to the seller in cash, upon the terms and subject to the conditions
set forth in the Offer to Purchase, as amended and supplemented by this
Supplement, and in the Letters of Transmittal circulated with the Offer to
Purchase and this Supplement (which together constitute the "Offer").
 
     Except as otherwise set forth in this Supplement, the terms and conditions
previously set forth in the Offer to Purchase remain applicable in all respects
to the Offer, and this Supplement should be read in conjunction with the Offer
to Purchase. Unless the context requires otherwise, terms not defined herein
have the meanings ascribed to them in the Offer to Purchase.
 
     THE BOARD OF DIRECTORS OF THE COMPANY HAS UNANIMOUSLY APPROVED THE OFFER
AND THE MERGER, DETERMINED THAT THE MERGER AGREEMENT AND THE TRANSACTIONS
CONTEMPLATED THEREBY (INCLUDING THE OFFER AND THE MERGER) ARE IN THE BEST
INTERESTS OF THE COMPANY AND RECOMMENDS THAT SHAREHOLDERS OF THE COMPANY WHO
DESIRE TO RECEIVE CASH FOR THEIR SHARES ACCEPT THE OFFER AND TENDER THEIR SHARES
PURSUANT TO THE OFFER.
 
     The Offer is being made pursuant to an Agreement and Plan of Merger, dated
as of October 14, 1996 (the "Original Merger Agreement"), as amended by the
first amendment thereto, dated as of November 5, 1996 (the "First Amendment"
and, the Original Merger Agreement, as amended, the "Merger Agreement"), by and
among the Company, Parent and Purchaser. The Merger Agreement provides that,
following the completion of the Offer and the satisfaction or waiver of certain
conditions, the Company will be merged with and into Purchaser (the "Merger"),
with Purchaser as the surviving corporation (the "Surviving Corporation"), in
accordance with the Pennsylvania Business Corporation Law of 1988, as amended
(the "Pennsylvania Law"). As more fully described in Section 13 of the Offer to
Purchase and Section 7 of this Supplement, in the Merger, each outstanding Share
(other than Shares held in the treasury of the Company or owned by Parent,
Purchaser or any other wholly owned subsidiary of Parent or the Company) will be
converted, at the election of the holder of Shares and subject to certain
limitations, into the right to receive (i) $110 in cash, without interest, (ii)
1.85619 shares of common stock, par value $1.00 per share, of Parent (the
"Parent Common Stock") or (iii) a combination of such cash and shares of Parent
Common Stock. However, the Merger Agreement contains provisions which will
ensure that, regardless of the number of Shares for which holders have elected
to receive cash or Parent Common Stock, as the case may be, the aggregate number
of Shares to be converted into Parent Common Stock pursuant to the Merger shall
be equal as nearly as practicable to 60% of all Shares outstanding immediately
prior to the Merger on a fully diluted basis (except for Shares issuable or
outstanding pursuant to the Company Stock Option), and the aggregate number of
Shares to be converted into the right to receive cash pursuant to the Merger,
together with the Shares theretofore purchased by Purchaser (other than upon
exercise of the Company Stock Option), shall be equal as nearly as practicable
to 40% of all such Shares outstanding immediately prior to the Merger.
Accordingly, in the case of any particular shareholder, depending on the
aggregate number of Shares for which the holders have elected to receive cash or
Parent Common Stock, as the case may be, such shareholder may not receive in
respect of his or her Shares the amount of cash, Parent Common Stock or
combination thereof that such shareholder requested in his or her election. See
Section 13 of the Offer to Purchase. The time at which the Merger is consummated
in accordance with the Merger Agreement is hereinafter referred to as the
"Effective Time." The Offer and the Merger are sometimes collectively referred
to herein as the "Transactions."
 
                                        2
<PAGE>   3
 
     As set forth in greater detail in the Offer to Purchase (see the
Introduction and Section 16 of the Offer to Purchase), unless the Company
Articles are amended to include an "opt out" provision from the Pennsylvania
Control Transaction Law, Purchaser effectively is precluded from purchasing more
than the Minimum Number of Shares pursuant to the Offer. The Company has filed
preliminary proxy materials with the SEC for the Pennsylvania Special Meeting
that was originally scheduled to be held on November 14, 1996. Such meeting date
has been canceled by the Company. As of the date of this Supplement, the Company
Board has set the record date for the Pennsylvania Special Meeting at December
5, 1996, and the Pennsylvania Special Meeting currently is expected to be held
in mid-December.
 
     If the Articles Amendment is approved by the requisite vote of the
Company's shareholders at the Pennsylvania Special Meeting prior to the
expiration of the Offer, Purchaser may (but is not obligated to) increase the
Minimum Number of Shares to an amount equal to 40% of outstanding Shares on a
fully diluted basis (excluding Common Shares issuable upon exercise of the
Company Stock Option) and, if Purchaser in its discretion determines to so
increase the Minimum Number of Shares and if required under the rules of the
SEC, Purchaser shall extend the Offer. See the Introduction and Section 1 of the
Offer to Purchase. Alternatively, if the Pennsylvania Shareholder Approval is
obtained (whether or not such approval is obtained prior to the expiration of
the Offer), Purchaser may, in its discretion and depending upon the
circumstances (but subject to the terms and conditions of the Offer and the
Merger Agreement), accept for payment Shares in the Offer and thereafter
purchase additional Shares in a later tender offer (the "Second Offer"),
pursuant to the Company Stock Option Agreement or otherwise. Such additional
Share purchases may be on terms different from the terms of the Offer, provided
that in the Merger Agreement Parent and Purchaser have agreed that additional
purchases pursuant to the Second Offer shall be at a price not less than $110
and shall be on terms no less favorable to the Company's shareholders than the
Offer. In addition, under the terms of the Merger Agreement, at any time
following seven business days after consummation of the Offer, if Parent and its
subsidiaries do not already own 40% or more of the outstanding Shares (as
determined above), the Company may require Parent to commence the Second Offer;
provided that Parent shall not be required to consummate any such Second Offer
until after the Pennsylvania Shareholder Approval is obtained. The Company has
agreed that it shall not request Parent to commence the Second Offer at any time
that the Offer is outstanding and the Expiration Date is within 10 business days
thereof. See Sections 1 and 13 of the Offer to Purchase and Section 7 of this
Supplement.
 
     THE OFFER DOES NOT CONSTITUTE AN OFFER TO SELL OR THE SOLICITATION OF AN
OFFER TO BUY PARENT COMMON STOCK. SUCH AN OFFER MAY BE MADE ONLY PURSUANT TO A
PROSPECTUS.
 
     Procedures for tendering Shares are set forth in Section 3 of the Offer to
Purchase. Tendering shareholders may use either the original (blue) Letter of
Transmittal and the original (gray) Notice of Guaranteed Delivery previously
circulated with the Offer to Purchase or the revised (blue) Letter of
Transmittal and revised (gray) Notice of Guaranteed Delivery circulated with
this Supplement. While the original Letter of Transmittal circulated with the
Offer to Purchase refers to the Offer to Purchase, and the Letter of Transmittal
circulated with this Supplement refers to the Offer to Purchase and this
Supplement, shareholders using such documents to tender Shares will nevertheless
receive $110 per Share for each Share validly tendered and not withdrawn and
accepted for payment pursuant to the Offer, subject to the conditions of the
Offer. Shareholders who have previously validly tendered and not withdrawn
Shares pursuant to the Offer are not required to take any further action in
order to receive, subject to the conditions of the Offer, the increased tender
price of $110 per Share, if the Shares are accepted for payment and paid for by
Purchaser pursuant to the Offer, except as may be required by the guaranteed
delivery procedure if such procedure was utilized. See Section 3 of the Offer to
Purchase and Section 1 of this Supplement.
 
     THE OFFER TO PURCHASE, THIS SUPPLEMENT AND THE LETTER OF TRANSMITTAL
CONTAIN IMPORTANT INFORMATION WHICH SHOULD BE READ BEFORE ANY DECISION IS MADE
WITH RESPECT TO THE OFFER.
 
                                        3
<PAGE>   4
 
     1. AMENDED TERMS OF THE OFFER; EXPIRATION DATE.  The discussion set forth
in Section 1 of the Offer to Purchase and the amendments thereto are hereby
amended and supplemented as follows:
 
     The Offer is being made for an aggregate of 17,860,124 Shares. The price
per Share to be paid pursuant to the Offer has been increased from $92.50 per
Share to $110 per Share, net to the seller in cash. All shareholders whose
Shares are validly tendered and not withdrawn and accepted for payment pursuant
to the Offer (including Shares tendered prior to the date of this Supplement)
will receive the increased price. The term "Expiration Date" means 12:00
Midnight, New York City time, on Wednesday, November 20, 1996 unless and until
Purchaser, in its sole discretion (but subject to the terms of the Merger
Agreement), shall have extended the period of time during which the Offer is
open, in which event the term "Expiration Date" shall refer to the latest time
and date at which the Offer, as so extended by Purchaser, shall expire. The
Merger Agreement provides that, in the event all conditions to Purchaser's
obligation to purchase Shares under the Offer at any scheduled expiration
thereof are satisfied other than the Minimum Condition, Purchaser shall, from
time to time, extend the Offer until the earlier of (i) 270 days following the
date of the Original Merger Agreement or (ii) such time as the Minimum Condition
is satisfied or waived in accordance with the Merger Agreement. The Merger
Agreement provides that, without the consent of the Company, Purchaser will not
waive the Minimum Condition.
 
     This Supplement, the revised (blue) Letter of Transmittal and other
relevant materials will be mailed to record holders of Shares whose names appear
on the Company's shareholder list and will be furnished, for subsequent
transmittal to beneficial owners of Shares, to brokers, dealers, commercial
banks, trust companies and similar persons whose names, or the names of whose
nominees, appear on the shareholder list or, if applicable, who are listed as
participants in a clearing agency's security position listing.
 
     2. PRICE RANGE OF SHARES; DIVIDENDS.  The discussion set forth in Section 6
of the Offer to Purchase and the amendments thereto are hereby amended and
supplemented as follows:
 
     According to published financial sources, the Company has paid no cash
dividends on the Common Shares since the date of the Offer to Purchase.
 
     On November 5, 1996, the last full trading day prior to the announcement of
the increase in the price per Share to be paid pursuant to the Offer, the
closing price per Common Share as reported on the NYSE composite tape was
$92.25. SHAREHOLDERS ARE URGED TO OBTAIN A CURRENT MARKET QUOTATION FOR THE
COMMON SHARES.
 
     3. CERTAIN INFORMATION CONCERNING THE COMPANY.  The discussion set forth in
Section 8 of the Offer to Purchase and the amendments thereto are hereby amended
and supplemented as follows:
 
     Certain Projected Financial Information.  The projected revenues for the
Company for each of the years ended December 31, 1996 through December 31, 1999
were $3,762 million, $3,874 million, $3,988 million and $4,149 million,
respectively.
 
     The Rights.  On July 19, 1989, the Board of Directors of Consolidated Rail
Corporation ("CRC"), which is the Company's current operating subsidiary and
which prior to the Company's adoption of the holding company structure on
February 17, 1993 operated on a stand alone basis, declared a dividend
distribution of one common stock purchase right (a "Right") for each common
share of CRC and executed the Rights Agreement. Upon adoption by the Company of
a holding company structure on February 17, 1993, CRC assigned all of CRC's
title and interest under the Rights Agreement, as amended, to the Company (the
"Assignment"). In 1995, one Right was distributed with respect to each
outstanding ESOP Preferred Share. Under the Rights Agreement, as amended, each
Right entitles the holder to purchase one Common Share at an exercise price of
$205.00, subject to adjustment. The description of the Rights Agreement set
forth in Section 8 of the Offer to Purchase is deleted in its entirety.
 
     On November 4, 1996, the Board of Directors of the Company adopted a
resolution extending the Distribution Date (as defined in the Rights Agreement)
so that it will occur only after the acquisition by an Acquiring Person (as
defined in the Rights Agreement) of beneficial ownership of at least 10% of the
outstanding Common Shares.
 
                                        4
<PAGE>   5
 
     The Rights are not exercisable until the Distribution Date. The Rights will
expire at the close of business on September 20, 2005 (the "Final Expiration
Date"), unless the Final Expiration Date is extended or unless earlier redeemed
by the Company in accordance with the Rights Agreement.
 
     In conjunction with the execution of the Merger Agreement, the Board of
Directors of the Company amended the Rights Agreement to (i) render the Rights
Agreement inapplicable to the Merger and the other transactions contemplated by
the Merger Agreement and the Company Stock Option Agreement and (ii) ensure that
(a) neither Parent nor any of its wholly owned subsidiaries is an Acquiring
Person pursuant to the Rights Agreement and (b) a Shares Acquisition Date,
Distribution Date or Trigger Event (in each case, as defined in the Rights
Agreement) does not occur by reason of the approval, execution or delivery of
the Merger Agreement and the Company Stock Option Agreement, the consummation of
the Merger, or the other transactions contemplated by the Merger Agreement or
the Company Stock Option Agreement and the Rights Agreement may not be further
amended by the Company without the prior consent of Parent in its sole
discretion. The Company has also agreed to take any further action necessary to
render the Rights Agreement inapplicable to the Transactions.
 
     The Rights Agreement and all amendments, supplements and resolutions
relating thereto, and descriptions thereof, have been filed by the Company with
the SEC. Copies of such documents may be obtained in the manner set forth in the
Offer to Purchase.
 
     Shareholders are required to tender one associated Right for each Share
tendered in order to effect a valid tender of such Share. If the Distribution
Date does not occur prior to the Expiration Date, a tender of Shares will
automatically constitute a tender of the associated Rights. See Section 3 of the
Offer to Purchase.
 
     4. SOURCE AND AMOUNT OF FUNDS.  The discussion set forth in Section 10 of
the Offer to Purchase and the amendments thereto are hereby amended and
supplemented as follows:
 
     Purchaser estimates that the total amount of funds required to purchase
Shares pursuant to the Offer, to pay the cash portion of the consideration in
the Merger and to pay all related costs and expenses will be approximately $4.1
billion. See "Fees and Expenses" in Section 17 of the Offer to Purchase.
 
     Purchaser plans to obtain the necessary funds through capital contributions
or advances made by Parent. Parent plans to obtain the funds for such capital
contributions or advances from its available cash and working capital, and
either through the issuance of long- or short-term debt securities (including,
without limitation, commercial paper notes) or under the Facility to be provided
pursuant to the Commitment Letter, as described below.
 
     Parent's commercial paper program involves the private placement of
unsecured, commercial paper notes with maturities of up to 270 days. The
commercial paper generally has an effective interest rate approximating the then
market rate of interest for commercial paper of similar rating, currently
approximately 5.45%. Parent may refinance any commercial paper borrowings used
to finance the purchase of Shares pursuant to the Offer through private
placements of additional commercial paper, borrowings under the Facility or,
depending on market or business conditions, through such other financing as
Parent may deem appropriate.
 
     The Commitment Letter.  In connection with the Offer and the Merger, Parent
has entered into a commitment letter, dated October 21, 1996 (the "Commitment
Letter"), with Bank of America National Trust and Savings Association, BA
Securities, Inc., The Bank of Nova Scotia, The Chase Manhattan Bank, Chase
Securities Inc., NationsBank, N.A. and NationsBanc Capital Markets, Inc.,
pursuant to which, upon the terms and subject to the conditions set forth
therein and in the Term Sheet (as defined herein), Bank of America National
Trust and Savings Association, The Bank of Nova Scotia, The Chase Manhattan Bank
and NationsBank, N.A. (collectively, "Principal Agents") have agreed to provide
a competitive advance and revolving credit facility in an aggregate principal
amount of $4,800,000,000 (the "Facility"), and each Principal Agent has
committed to provide $1,200,000,000 of this amount. Proceeds of the Facility
will be used to finance purchase of Shares pursuant to one or more all cash
tender offers, exercise of the Company Stock Option or otherwise and the Merger,
to replace existing credit facilities used for commercial paper backup and,
following the Merger, to provide working capital and for other general corporate
purposes. The Commitment Letter includes an attachment (the "Term Sheet") which
sets forth the terms contemplated to
 
                                        5
<PAGE>   6
 
be included in the definitive documentation with respect to the Facility (the
"Credit Agreement"). Under the Commitment Letter, each Principal Agent has
reserved the right to syndicate a portion of its commitment to one or more
financial institutions acceptable to Parent, and, in connection therewith, Chase
Securities Inc., BA Securities, Inc., NationsBanc Capital Markets, Inc. and The
Bank of Nova Scotia (collectively, the "Arrangers" and, together with the
Principal Agents, the "Agents") have agreed to act as co-arrangers for the
Facility and intend to commence syndication efforts immediately.
 
     Under the Facility, two borrowing options will be available: (i) a
competitive advance option (the "CAF"), which will be provided on an uncommitted
competitive advance basis through a competitive bid auction mechanism, and (ii)
a revolving credit option (the "Revolving Credit"), which will be provided on a
committed basis. Under each option, amounts borrowed and repaid may be
reborrowed subject to availability under the Facility. Up to the full amount of
the remaining commitments may be borrowed under either of the two borrowing
options, so long as the total borrowed amount outstanding under the Facility
does not exceed the amount of the Facility at any time. Each borrowing will be
conditioned upon the delivery of a borrowing notice, the accuracy of
representations and warranties and the absence of defaults. Events of default
will include a material breach of representations or warranties, failure to pay
principal or interest, breach of covenants, cross acceleration, material
judgments and bankruptcy, subject to customary notice and cure periods.
 
     Under the Facility, interest rates per annum for the outstanding loans will
be determined as follows: (i) interest rates for the CAF will be obtained from
bids selected by Parent and (ii) interest rates for the Revolving Credit will be
based upon either LIBOR or an alternate base rate ("ABR") that will be the
higher of The Chase Manhattan Bank's prime rate and the federal funds effective
rate plus 1/2 of 1%, as selected by Parent. No spread will be charged on ABR
loans. The interest rate applicable to each LIBOR loan will be equal to LIBOR
for the interest period applicable to such loan plus a margin, ranging from 14.0
to 35.0 basis points per annum, determined based upon Parent's credit ratings.
 
     Under the Facility, interest periods for outstanding loans will be
determined as follows: (i) interest periods for the CAF will be determined by
market availability, with fixed-rate auction advances being for periods ranging
from seven to 360 days; and (ii) under the Revolving Credit, the interest period
on ABR loans will be three months, and the interest period on LIBOR loans will
be either one, two, three or six months, at Parent's option. Interest will be
payable at the end of the relevant interest period, but not less often than
quarterly. Interest will be calculated on the basis of the actual number of days
elapsed over a 365/366-day year for ABR loans based on The Chase Manhattan
Bank's prime rate and over a 360-day year for all other loans.
 
     Under the Facility, prepayments of ABR loans will be permitted at any time
without penalty. LIBOR Revolving Credit loans may be prepaid in whole or in part
at any time, subject to compensation in respect of any redeployment costs if
prepayment occurs other than at the end of an interest period. CAF loans will
not be subject to prepayment.
 
     Under the Facility, mandatory commitment reduction will occur in the event
that any required governmental approval is denied or in the event that Parent
elects to abandon the Offer and the Merger. Upon the occurrence of such event,
the commitments would be reduced to the amount of loans outstanding at such time
reduced by the amount of net proceeds from sales of the Shares, if any. Parent
may opt to reduce the commitments under the Facility by giving notice thereof,
provided that the aggregate Facility commitments at any time may in no event be
less than the aggregate amount of the CAF advances and loans outstanding at such
time.
 
     In the Commitment Letter, Parent has made certain representations and
warranties regarding information made available to the Agents. In addition, the
Commitment Letter provides that the Credit Agreement will include certain
representations and warranties regarding, among other things, organization and
powers, authority and enforceability, no conflicts, financial information,
absence of material adverse change, absence of material litigation, compliance
with laws and regulations and agreements, inapplicability of certain laws,
taxes, ERISA and absence of material misstatements. In addition, the Commitment
Letter provides that the Credit Agreement will include certain covenants
regarding, among other things, maintenance of corporate
 
                                        6
<PAGE>   7
 
existence, maintenance of ownership of railroad subsidiaries, maintenance of
insurance, payment of taxes, delivery of financial statements and reports,
compliance with laws, use of proceeds, and certain limitations on debt,
including limitations on indebtedness in excess of $4,000,000,000 for the
purchase of Shares, limitations on additional unsecured indebtedness at
subsidiaries (subject to appropriate thresholds and other customary terms) and a
limitation on total debt (other than indebtedness incurred to finance the
exercise of the Company Stock Option) as a percentage of total capitalization to
a maximum of 65% prior to the Merger and 55% at or after the Merger. The
Commitment Letter provides that the Credit Agreement will also include certain
covenants regarding limitations on mergers or sales of all or substantially all
assets and limitations on liens and sale/leaseback transactions.
 
     The Agents' commitments and agreements in the Commitment Letter are subject
to (i) the reasonable satisfaction of the Agents with any material changes in
the structure or terms of the Offer and the Merger prior to the execution of the
Credit Agreement and all legal, tax and accounting matters relating thereto,
(ii) the absence of any material adverse change since December 31, 1995 in or
affecting the business, assets or condition (financial or otherwise) of Parent
and its subsidiaries and the Company and its subsidiaries, taken as a whole,
(iii) the absence of a material disruption of or material adverse change in
financial, banking or capital market conditions that, in the Arrangers'
reasonable judgment, would be likely to materially impair the syndication of the
Facility, (iv) the negotiation, execution and delivery on or before November 30,
1996 of the definitive Credit Agreement in form satisfactory to the Agents and
their counsel, (v) the Agents' satisfaction that, prior to and during the
syndication of the Facility, there shall be no competing issues of debt
securities or commercial bank facilities of Parent or the Company or any of
their respective subsidiaries being offered, placed or arranged and (vi) certain
other conditions set forth in the Term Sheet. In addition, the Commitment Letter
provides that the Credit Agreement will include usual and customary cost and
yield provisions.
 
     The Commitment Letter provides that the Credit Agreement also will include
conditions to effectiveness including, but not limited to, the absence of
pending litigation or administrative proceedings or other legal or regulatory
developments that, in the reasonable judgment of at least three Agents, would be
reasonably likely to prohibit the transactions contemplated by the Offer and the
Merger or to result in a material adverse change in the business, assets or
condition of Parent, the termination of existing credit facilities of Parent
used for the purpose of commercial paper backup, the consummation of the Offer
and other customary conditions to effectiveness for facilities and transactions
of such type.
 
     In connection with the Commitment Letter, Parent has agreed to pay the
Agents certain fees, to reimburse the Agents for certain expenses and to provide
certain indemnities, as is customary for commitments of the type described
herein. The Commitment Letter provides that the Credit Agreement will include an
agreement by Parent to pay a facility fee to each lender under the Facility
based on the aggregate amount of such lender's commitment under the Facility,
whether used or unused, at a rate, ranging from 6.0 to 15.0 basis points per
annum, determined based upon Parent's credit ratings.
 
     The foregoing is a summary of the Commitment Letter and is qualified in its
entirety by reference to the Commitment Letter, a copy of which is filed as
Exhibit (b)(1) to the Schedule 14D-1.
 
     Assuming that the funds contemplated by the Commitment Letter and Facility
described above are made available in accordance with the terms thereof,
Purchaser expects that the Financing Condition will be satisfied.
 
     It is anticipated that the indebtedness incurred by Parent in connection
with the transactions contemplated by the Merger Agreement will be repaid from
funds generated internally by Parent and its subsidiaries (including, after the
Merger, if consummated, dividends paid by the Surviving Corporation and its
subsidiaries), through additional borrowings, through application of proceeds of
dispositions or through a combination of two or more such sources. No final
decisions have been made concerning the method Parent will employ to repay such
indebtedness. Such decisions, when made, will be based on Parent's review from
time to time of the advisability of particular actions, as well as on prevailing
interest rates and financial and other economic conditions.
 
                                        7
<PAGE>   8
 
     5. BACKGROUND OF THE OFFER SINCE OCTOBER 16, 1996; CONTACTS WITH THE
COMPANY.  The discussion set forth in Section 11 of the Offer to Purchase and
the amendments thereto are hereby amended and supplemented as follows:
 
     On October 16, 1996, Parent and Purchaser commenced the Offer.
 
     On October 23, 1996, Norfolk Southern Corporation ("NSC") announced its
intention to commence, and on October 24, 1996 NSC commenced, a tender offer for
the Company (the "Hostile Offer"). The Hostile Offer is subject to numerous
conditions, including the termination of the Merger Agreement and the
redemption, invalidity or other inapplicability of the Rights. NSC also has
commenced litigation relating to the transactions contemplated by the Merger
Agreement and the Hostile Offer. See Section 16 of the Offer to Purchase and
Section 8 of this Supplement.
 
     On October 23, 1996, Parent issued the following press release in response
to the announcement of the Hostile Offer:
 
NEWS
 
     CSX Dismisses Norfolk Southern's Announcement as a 'Confusing Non-Bid'
 
     RICHMOND, Va., Oct. 23 /PRNewswire/ -- In response to the Norfolk Southern
(NYSE: NSC) (NSC) announcement of its hostile tender offer for Conrail, CSX
(NYSE: CSX) issued the following statement:
 
     "Norfolk Southern's hostile offer comes as no surprise. It simply does not
provide the same long-term value as the strategic CSX-Conrail partnership, which
offers Conrail shareholders tax-free equity and the substantial upside potential
that only comes from the benefits derived from the merger of CSX and Conrail."
 
     "Furthermore, Norfolk Southern's highly conditional non-bid would
inevitably face serious delay and could not in any event be consummated without
the approval of the Conrail board. Specifically, the provisions of the
CSX-Conrail merger agreement effectively preclude the Conrail board of
directors' approval of any competing offers prior to mid-April 1997. In
contrast, the CSX cash tender offer would close in November 1996. The certain
delays involved in the Norfolk Southern non-bid severely and negatively impact
the present value of its proposal. Using a customary discount rate of 2 percent
per month, the Norfolk Southern non-bid is worth less than $90 per Conrail
share, far less than Norfolk Southern would have Conrail shareholders believe."
 
     "The fact is that the merger of CSX Conrail will result in service,
efficiency and competitive benefits that cannot be achieved by any combination
of the Norfolk Southern and Conrail systems."
 
     "By every measure, the CSX-Conrail merger is superior in economic,
operational and public policy terms to the Norfolk Southern non-bid."
 
     Thereafter, during the weekend of November 2 through November 3, 1996,
representatives of Parent and NSC met to discuss matters related to the possible
sale of certain of the Company's assets.
 
     On November 3, 1996, Parent issued the following press release:
 
FOR IMMEDIATE RELEASE:
 
     RICHMOND -- Nov. 3, 1996 -- CSX Corporation (CSX) (NYSE: CSX) today
released the following statement:
 
     "CSX Corporation today announced that, at the initiation of Norfolk
Southern Corp. (Norfolk Southern), it is having conversations with Norfolk
Southern about a possible sale by the post-merger CSX/Conrail of certain
material assets. CSX has advised Conrail Inc. of such
 
                                        8
<PAGE>   9
 
conversations. No agreements have been reached and there can be no assurance
that any agreements will be reached. Under the terms of the CSX/Conrail merger
agreement, mutual agreement between CSX and Conrail would be required for an
agreement of the type discussed."
 
     Since November 4, 1996, there have been no further conversations between
Parent and NSC in respect of the Company and its assets.
 
     Following the announcement by NSC of the Hostile Offer and from time to
time thereafter until the execution of the First Amendment, Parent and the
Company held discussions and engaged in negotiations relative to the Original
Merger Agreement and the First Amendment.
 
     On November 5, 1996, Parent and the Company entered into the First
Amendment pursuant to which the Offer, as amended, is being made. Under the
terms of the First Amendment (see Section 7 of this Supplement), neither Parent
nor the Company is permitted to engage in conversations, discussions or
negotiations or enter into any agreement with other railroad companies
(including NSC) relating to trackage rights or other concessions without the
participation and agreement of the other party.
 
     On November 6, 1996, Parent and the Company issued the following joint
press release announcing execution of the First Amendment:
 
                     CSX AND CONRAIL AMEND MERGER AGREEMENT
 
CSX RAISES CASH PORTION OF ITS AGREEMENT WITH CONRAIL TO $110 PER CONRAIL SHARE
 
              CONRAIL BOARD UNANIMOUSLY APPROVES CSX AMENDED OFFER
 
           CONRAIL BOARD UNANIMOUSLY REJECTS NORFOLK SOUTHERN'S OFFER
 
- --------------------------------------------------------------------------------
 
     RICHMOND, VA AND PHILADELPHIA, PA, (NOVEMBER 6, 1996)--CSX Corporation
[NYSE: CSX] and Conrail Inc. [NYSE: CRR] today announced that they have amended
the terms of their merger agreement. Under the revised terms, CSX has raised the
cash portion of its offer to $110 per Conrail share.
 
     Conrail also announced that its Board of Directors carefully considered the
relative merits of a merger with Norfolk Southern rather than with CSX, and
unanimously reaffirmed that a merger with CSX is in Conrail's best interest and
is the superior strategic combination for Conrail. The Conrail Board determined
that a transaction with Norfolk Southern is not in the best interest of Conrail
and its constituencies.
 
     David M. LeVan, chairman, president and chief executive officer of Conrail,
said, "Our two companies have now agreed to significantly increase the value to
be received by the Conrail shareholders, and Conrail's other constituencies will
continue to get tremendous benefits resulting from the CSX merger.
 
     "On October 14, 1996, the Conrail Board unanimously approved a merger of
equals with CSX to create one of the world's leading transportation and
logistics companies," Mr. LeVan continued. "That transaction provided value to
our shareholders at the high-end of what has been paid in other railroad
mergers, and it clearly was and is in the best interests of Conrail and its
constituencies. Before approving that merger, we carefully considered the
relative merits of a merger with Norfolk Southern rather than with CSX, and we
unanimously determined that a merger with CSX was in Conrail's best interest and
was the superior strategic combination for Conrail. In making that decision we
were fully aware that Norfolk Southern had expressed an interest in acquiring
Conrail. We have now reaffirmed that decision."
 
                                        9
<PAGE>   10
 
     John W. Snow, CSX chairman, president and chief executive officer, said,
"Our decision to increase the cash portion of the offer not only reflects CSX's
commitment to completing the transaction, but also accounts for the increased
value we have determined will be realized through the merger. Further analysis
by our management team, working with its counterpart at Conrail, has identified
at least $730 million in synergies and cost savings, $180 million more than
originally anticipated.
 
     "Following the combination of our two companies, we expect immediate net
traffic benefits of about $165 million and cost savings totaling approximately
$565 million," continued Mr. Snow. "Importantly, we will realize these benefits
rapidly by working closely together. This is especially significant since
Conrail shareholders who receive CSX shares as consideration for their shares,
will benefit from what we expect will be a substantial increase in the value of
those shares.
 
     "Furthermore, it is apparent that the merger between CSX and Conrail will
produce signification public policy benefits. The service and pricing advantages
we will offer shippers will reduce truck traffic along the now congested
interstate corridors throughout the region. We also will be able to provide a
safer, more reliable operating environment for passenger services. Only the
CSX/Conrail combination offers so many significant benefits to customers and the
greater public," Mr. Snow added.
 
     "The hostile Norfolk Southern bid is burdened with a series of significant
conditions. Given all the obstacles in the path of Norfolk Southern's bid,
Conrail shareholders would have to wait a prolonged amount of time to receive
payment for their shares. Meanwhile, the CSX/Conrail combination offers an
immediate opportunity to move forward together creating real, substantive value
for both Conrail and CSX shareholders.
 
     "The merger of CSX and Conrail is driven by a compelling logic. Together,
CSX and Conrail will create the leading global freight transportation and
logistics management company and provide dramatically improved rail service to
our customers east of the Mississippi. Shippers and receivers throughout the
region will benefit from significantly enhanced competition, much better service
and more competitive pricing. Our combined railroad will grow significantly and
operate with maximum efficiency," Mr. Snow said.
 
     "Clearly, the combination of CSX and Conrail provides the best overall
package of benefits to our constituencies, including customers, the communities
we serve, and the public-at-large. We welcome the strong support of the Conrail
Board of Directors and look forward to a bright future as our new company moves
full speed into the 21st Century," concluded Mr. Snow.
 
     The significant amendments to the CSX/Conrail merger agreement include:
 
     - The increase of the cash portion of the transaction to $110 per Conrail
       share. The structure of the proposed merger will remain the same: 40
       percent of the fully diluted shares of Conrail's common stock and ESOP
       preferred stock will be acquired at the new price and the remaining 60
       percent will be exchanged for CSX stock at the originally agreed-upon
       exchange ratio of 1.85619 CSX shares for each Conrail share;
 
     - An extension by three months of the period of time during which the
       Conrail Board of Directors cannot withdraw its support of the merger
       agreement or agree to any competing transaction. As now extended, such
       provisions will run until July 12, 1997; and
 
     - Neither party will engage in discussions or enter into any agreement with
       other railroad companies (including Norfolk Southern) relating to
       trackage rights or other concessions without the participation and
       agreement of the other party.
 
     Additionally, the Conrail Shareholders Meeting scheduled for November 14
has been canceled. The record date for a new shareholders meeting has been set
at December 5, 1996, and the shareholder meeting is expected to be held in
mid-December.
 
                                       10
<PAGE>   11
 
     CSX's tender offer of $110 per Conrail share is for an aggregate of about
17.9 million shares of Conrail common stock and ESOP preferred stock, or
approximately 19.9 percent of the Conrail outstanding voting stock. The offer is
subject to certain customary conditions.
 
     Under the terms of the CSX offer, as amended, the tender offer's expiration
date and withdrawal and proration rights are extended until Midnight EST,
November 20, 1996. As of the close of business on November 5, 1996, 56,634
Conrail shares had been tendered pursuant to the CSX offer.
 
     CSX Corporation, headquartered in Richmond, VA, is an international
transportation company offering a variety of rail, container-shipping,
intermodal, trucking, barge and contract logistics management services.
 
     Conrail, with corporate headquarters in Philadelphia, PA, operates an
11,000-mile rail freight network in 12 northeastern and midwestern states, the
District of Columbia, and the Province of Quebec.
 
     Attached is a fact sheet on the CSX/Conrail merger of equals, and
additional information regarding this announcement can be found on the
companies' Web sites on the Internet. CSX's home page can be reached at
http://www.CSX.com. Conrail's home page can be reached at
http://www.CONRAIL.com.
 
                 FAST FACTS REGARDING THE CSX - CONRAIL MERGER
 
     - The proposed CSX/CRR merger of equals will create a powerful strategic
       alliance, the leading transportation company in the world with more than
       $14 billion in revenue and operations serving more than 80 countries
       around the globe.
 
     - In addition to the railroad, the new company will include the nation's
       largest container-shipping (Sea-Land Services) and barging (American
       Commercial Barge Line) companies, its only full-service, coast-to-coast
       intermodal company (CSX Intermodal) and one of the foremost contract
       logistics management companies (Customized Transportation Services) in
       the world.
 
     - For employees and the communities within which they work and live, the
       CSX/CRR merger of equals offers the combination of companies with
       complementary business mixes, common corporation strategies and
       compatible corporate cultures.
 
     - CSX/CRR has agreed to locating the corporate headquarters of the new
       company in Philadelphia; to leaving the operating headquarters of the
       CSXT and Conrail rail companies in Jacksonville and Philadelphia for the
       foreseeable future; to a board comprised of an equal number of directors
       from each company; and to a defined succession plan that insures the
       management and employees, shareholders, customers and communities served
       by both companies will have powerful roles and strong voices in the
       future of the company.
 
     - For shareholders, the CSX/CRR merger of equals offers ownership of an
       international transportation company with the scale and efficiency at
       home and abroad to compete effectively and generate attractive returns
       well into the 21st Century.
 
     - For customers, the CSX/CRR combination provides a 29,000 route mile rail
       system that would span 22 states and offer vastly improved service to
       virtually all major markets east of the Mississippi. Such a system will
       provide the highest quality service to customers as a result of faster,
       more reliable service, shorter routes, an improved cost structure, better
       equipment supply and utilization and more single-line service.
 
     - The proposed CSX/CRR merger of equals allows realization of public policy
       benefits that cannot be accomplished through any other combination.
 
                                       11
<PAGE>   12
 
     - More passenger trains will use the combined CSX/CRR rail system than any
       other in the United States. These include not only Amtrak's but also
       those operated by commuter services in Boston, New York, Philadelphia,
       Baltimore and Washington. Freight and passenger trains currently share
       the same tracks in these areas. Improved coordination, scheduling and
       operation of freight and passenger services will reduce delays and
       improve safety and service for passengers. Similar options may exist in
       other parts of the combined system in the future as hard-pressed urban
       planners increasingly turn to rail transportation to relieve highway
       congestion, save scarce public resources and improve air quality.
 
     - The proposed CSX/CRR merger of equals offers improved rail competition to
       Northeast and Midwest markets and an opportunity to improve the social
       and economic benefits of the entire transportation infrastructure of the
       region through increased, more effective competition with the trucking
       industry and through additional intermodal cooperation.
 
     6. PURPOSE OF THE OFFER AND THE MERGER; PLANS FOR THE COMPANY.  Based upon
discussions with the Company, Parent believes that total quantifiable benefits
from the Merger will be approximately $730 million annually, based on the
realization of cost savings (totaling approximately $565 million) from operating
efficiencies, facility consolidations, overhead rationalization and other
activities, and new traffic volumes (totaling approximately $165 million) earned
by enhanced service. Parent intends that the combined company will make
investments to support revenue growth, and will create a streamlined
organization that incorporates the best of Parent's and the Company's
organizations, while combining facilities and realizing economies of scale.
Parent expects that there will be some job losses as a result of consolidations
and the elimination of redundancies, but that these will be offset substantially
over time by new employment opportunities resulting from growth of the business.
Parent has not yet developed specific plans to implement the foregoing. THE
FOREGOING ESTIMATES OF COST SAVINGS AND SYNERGIES ARE INHERENTLY SUBJECT TO
SIGNIFICANT UNCERTAINTIES AND CONTINGENCIES, MANY OF WHICH ARE BEYOND THE
CONTROL OF PARENT. THERE CAN BE NO ASSURANCE THAT THEY WILL BE ACHIEVED AND
ACTUAL SAVINGS AND SYNERGIES MAY VARY MATERIALLY FROM THOSE ESTIMATED. THE
INCLUSION OF SUCH ESTIMATES HEREIN SHOULD NOT BE REGARDED AS AN INDICATION THAT
PARENT, PURCHASER OR ANY OTHER PARTY CONSIDERS SUCH ESTIMATES AN ACCURATE
PREDICTION OF FUTURE EVENTS.
 
     7. MERGER AGREEMENT; OTHER AGREEMENTS.  The discussion set forth in Section
13 of the Offer to Purchase and the amendments thereto are hereby amended and
supplemented as follows:
 
     The First Amendment.  The First Amendment effects certain changes to the
Original Merger Agreement. Other than as amended by the First Amendment, the
provisions of the Original Merger Agreement remain in full force and effect.
 
          The Offer.  The First Amendment provides that Purchaser will amend the
     Offer to increase the price to be paid to $110 per Share, net to the seller
     in cash. The obligations of Parent, Purchaser and the Company set forth in
     the Original Merger Agreement with respect to the Offer apply with respect
     to the Offer as so amended.
 
          The First Amendment provides that, at any time prior to eleven
     business days before the then-scheduled Expiration Date if the Pennsylvania
     Control Transaction Law is inapplicable to the Company by such time, Parent
     will, at the written request of the Company, amend the Offer to increase
     the number of Shares sought to 40% of the outstanding Common Shares on a
     fully diluted basis as of the date of the Original Merger Agreement
     (excluding Shares that would be outstanding upon exercise of the Company
     Stock Option). In addition, at any time following seven business days after
     consummation of the Offer, if Parent and its subsidiaries do not already
     own at such time 40% or more of the Shares outstanding as of the date of
     the Original Merger Agreement (excluding Shares that would be outstanding
     upon exercise of the Company Stock Option), Parent may, and at the written
     request of the Company is required to, commence the Second Offer to
     purchase up to that number of Shares which, when added to the aggregate
     number of Shares then beneficially owned by Parent (other than pursuant to
     the Company Option Agreement) equals 40% of such outstanding Shares, at a
     price of not less than $110 and on other
 
                                       12
<PAGE>   13
 
     terms no less favorable to shareholders of the Company than the Offer,
     provided that Parent will not be required to consummate the Second Offer
     until after the Pennsylvania Control Transaction Law is inapplicable to the
     Company. The Company has agreed that it will not make any such written
     request at any time that the Offer is outstanding and the Expiration Date
     is within 10 business days thereof.
 
          The Merger.  The First Amendment provides that the Per Share Cash
     Consideration to be paid in the Merger, if any, will be $110.
 
          Shareholders' Meetings.  The First Amendment provides that the Company
     will not convene, adjourn or postpone the Pennsylvania Special Meeting
     without Parent's prior consent, and such consent will not be unreasonably
     withheld. In the event that the matters to be considered at the Company
     Merger Meeting or the Parent Shareholders Meeting are not approved at a
     meeting called for such purpose, from time to time the Company or Parent,
     as applicable, may, and will at the request of Parent or the Company, as
     applicable, duly call one or more meeting(s) of shareholders for such
     purposes. Subject to the foregoing, the First Amendment further provides
     that the Company shall convene any such shareholder meetings as soon as
     practicable after receipt of any request to do so by Parent (and, in the
     case of the Pennsylvania Special Meeting, as soon as practicable after
     December 5, 1996).
 
          The First Amendment also provides that, following the Pennsylvania
     Shareholder Approval, the Company will take all necessary or advisable
     action to cause the Articles Amendment to become effective.
 
          Third Party Discussions.  The First Amendment provides that during the
     term of the Merger Agreement, neither the Company nor Parent, will, nor
     will it permit any of its subsidiaries to, nor shall it authorize or permit
     any of its officers, directors or employees or any investment banker,
     financial advisor, attorney, accountant or other representative retained by
     it or any of its subsidiaries to, directly or indirectly through another
     person, participate in any conversations, discussions or negotiations, or
     enter into any agreement, arrangement or understanding, with any other
     company engaged in the operation of railroads (including NSC) with respect
     to the acquisition by any such other company (including NSC) of any
     securities or assets of the Company and its subsidiaries or Parent and its
     subsidiaries, or any trackage rights or other concessions relating to the
     assets or operations of the Company and its subsidiaries or Parent and its
     subsidiaries, other than with respect to sales, leases, licenses, mortgages
     or other disposals of assets or properties that are permitted as described
     in (d) under "Interim Operations of the Company and Parent" in Section 13
     of the Offer to Purchase). Notwithstanding the foregoing, however, Parent
     and the Company will be permitted to engage in conversations, discussions
     and negotiations with other companies engaged in the operation of railroads
     (including NSC) to the extent reasonably necessary or reasonably advisable
     in connection with obtaining regulatory approval of the transactions
     contemplated by the Merger Agreement in accordance with the terms set forth
     in the Merger Agreement, and in each case so long as (i) a representative
     of each party is present at any such conversation, discussion or
     negotiation, (ii) the general subject matter of any such conversation,
     discussion or negotiation has been agreed to in advance by the Company and
     Parent and (iii) the Company, Parent and such other company have previously
     agreed to appropriate confidentiality arrangements, on terms reasonably
     acceptable to the Company and Parent (which terms shall in any event permit
     disclosure to the extent required by law), relating to the existence and
     subject matter of any such conversation, discussion or negotiation.
     Provisions of the First Amendment described in this paragraph will
     terminate and be of no further force and effect immediately upon any
     exercise by Parent or the Company of its rights under the proviso to the
     first sentence described under "No Solicitation" in Section 13 of the Offer
     to Purchase, provided that such party exercising such rights has given the
     other party prior notice with respect thereto.
 
          No Solicitation.  The First Amendment provides that the 180 days
     described under "No Solicitation" in Section 13 of the Offer to Purchase
     has been changed to 270 days.
 
          Termination.  The First Amendment provides that the right to terminate
     the Merger Agreement in connection with a shareholders meeting described in
     (b)(i) and (b)(ii) under "Termination" in Section 13 of the Offer to
     Purchase will be exerciseable only to the extent that such shareholders
     meeting is held
 
                                       13
<PAGE>   14
 
     after the earlier of (i) 270 days after the date of the Original Merger
     Agreement or (ii) the purchase of an aggregate of 40% of the fully diluted
     shares under the Offer or, if applicable, the Second Offer.
 
     The foregoing is a summary of certain provisions of the First Amendment.
This summary is qualified in its entirety by reference to the First Amendment,
which is incorporated herein by reference. Terms not otherwise defined herein or
in the following summary shall have the meanings set forth in the First
Amendment.
 
     8. CERTAIN LEGAL MATTERS; REGULATORY APPROVALS.  The discussion set forth
in Section 16 of the Offer to Purchase and the amendments thereto are hereby
amended and supplemented as follows:
 
     Antitrust.  Parent and Purchaser have requested the Premerger Notification
Office of the FTC to confirm that the Offer, the Merger and the Company Stock
Option Agreement are not subject to, or are exempt from, the HSR Act, and such
Office has done so. On this basis, Purchaser expects that the HSR Condition will
be satisfied.
 
     STB Matters; The Voting Trust.  Parent has requested the staff of the STB
to issue an informal, nonbinding opinion that the use of the Voting Trust is
consistent with the policies of the STB against unauthorized acquisitions of
control of a regulated carrier, and the Staff of the STB has done so. On this
basis, Purchaser expects that the Voting Trust Condition will be satisfied.
 
     It is possible that the Department of Justice or railroad competitors of
Parent and the Company, or others, may argue that Purchaser should not be
permitted to use the voting trust mechanism to acquire Shares prior to final STB
approval of the acquisition of control of the Company. Purchaser believes it is
unlikely that such arguments would prevail, but there can be no assurance in
this regard, nor can there be any assurance that if such arguments are made, it
will not cause the STB staff to rescind their opinion regarding the Voting Trust
Agreement.
 
     The Voting Trust Agreement provides that Purchaser or its successor in
interest will be entitled to receive any cash dividends paid by the Company.
 
     STB Matters; Acquisition of Control.  On October 18, 1996, Parent and the
Company filed with the STB a Notice of Intent to File Railroad Control
Application, a Petition for Protective Order and a Petition to Establish
Procedural Schedule. On or before March 1, 1997 (but not before January 18,
1997), Parent, the Company and various of their affiliates plan to file an
application (the "STB Application") seeking approval of the STB for the
acquisition of control over the Company and its affiliates by Parent and its
affiliates, the Merger, and related transactions.
 
     Parent, the Company and various of their affiliates have asked the STB to
adopt a more expedited schedule contemplating a final order by the STB within
255 days of the filing of an application with the STB seeking approval of the
Merger.
 
     Norfolk Southern Litigation.  On October 23, 1996, NSC filed a Complaint
for Declaratory and Injunctive Relief in the United States District Court for
the Eastern District of Pennsylvania, naming the Company, Parent and directors
of the Company as defendants, alleging, among other things, violations of
fiduciary duty, of the Company's Articles of Incorporation and By-Laws, of the
Pennsylvania Law and of disclosure provisions of the federal securities laws,
relating to tender offers and proxy solicitations, and requesting preliminary
and permanent injunctive and declaratory relief including, without limitation,
an injunction from commencing or continuing a tender offer (such as the Offer)
for Company securities, seeking approval of the Articles Amendment or taking
steps to make the Articles Amendment effective, taking any action to redeem the
Rights or render the Rights inapplicable to any offer with respect to the
Company by Parent without, at the same time, rendering the Rights inapplicable
with respect to NSC's proposed tender offer with respect to the Company, taking
any action to enforce certain provisions of the Merger Agreement, failing to
take action to exempt NSC's proposal to acquire the Company from certain
provisions of the Pennsylvania Law and holding the Pennsylvania Special Meeting.
On October 30, 1996, NSC amended its complaint to, among other things, challenge
certain additional features in the Merger Agreement and the Rights Agreement. As
amended, the NSC complaint alleges, among other things, that entering into the
Company Stock Option Agreement and the termination fee provisions of the Merger
Agreement are violations of the fiduciary duties of the defendants, that the
provisions of the Rights Agreement (which are alleged to
 
                                       14
<PAGE>   15
 
result in the Company being prohibited from engaging in any merger or sale
transaction with any entity other than Parent until 2005 in the event that a
Distribution Date, as defined in the Rights Agreement, occurs) violate
defendants' fiduciary duties; that the structure of the Offer is coercive and
unfair to stockholders of the Company; that a provision in the Merger Agreement
barring the Company from changing its recommendation of the transaction or
agreeing to a competing transaction for a 180-day period from the execution of
the Merger Agreement is ultra vires and a breach of the defendants' duties; and
that certain features of the Rights Agreement which vest exclusive authority to
redeem or amend the Rights in Continuing Directors (as defined in the Rights
Agreement) are unlawful. On October 24, 1996, a hearing was scheduled for
November 12, 1996 on the preliminary injunction being sought by NSC to enjoin,
among other things, the Pennsylvania Special Meeting (and the effectiveness of
the Articles Amendment) and to enjoin consummation of the Offer.
 
     Among other things, the NSC complaint, as amended, alleges, with respect to
alleged deficiencies in the disclosures made by Parent and the Company, that
(capitalized terms used and not defined in the following quoted paragraphs shall
have the meanings assigned such terms in the above-described complaint):
 
     "75. Conrail's Preliminary Proxy Statement contains the following
     misrepresentations of fact:
 
          (a) Conrail states that "certain provisions of Pennsylvania law
     effectively preclude . . . CSX from purchasing 20% or more" of
     Conrail's shares in the CSX Offer "or in any other manner (except the
     [CSX] Merger." This statement is false. The provisions of Pennsylvania
     law to which Conrail is referring are those of Subchapter 25E of the
     Pennsylvania Business Corporation law. This law does not "effectively
     preclude" CSX from purchasing 20% or more of Conrail's stock other
     than through the CSX Merger. Rather, it simply requires a purchaser of
     20% or more of Conrail's voting stock to pay a fair price in cash, on
     demand, to the holders of the remaining 80% of the shares. The real
     reason that CSX will not purchase 20% or more of Conrail's voting
     stock absent the Charter Amendment is that, unlike NS, CSX is unable
     or unwilling to pay a fair price in cash for 100% of Conrail's stock.
 
          (b) Conrail states that its "Board of Directors believes that
     Conrail shareholders should have the opportunity to receive cash in
     the near term for 40% of [Conrail's] shares," and that "[t]he Board of
     Directors believes it is in the best interests of shareholders that
     they have the opportunity to receive cash for 40% of their shares in
     the near term." These statements are false. First of all, the Conrail
     Board believes that Conrail shareholders should have the opportunity
     to receive cash in the near-term for 40% of Conrail's shares only if
     such transaction will swiftly deliver effective control of Conrail to
     CSX. Second, the Conrail Board of Directors does not believe that such
     swift transfer of control to CSX is in the best interests of Conrail
     shareholders; rather, the Conrail Board of Directors believes that
     swift transfer of effective control over Conrail to CSX through the
     CSX Offer will lock up the CSX Transaction and preclude Conrail
     shareholders from any opportunity to receive the highest reasonably
     available price in a sale of control of Conrail.
 
     76. CSX's Schedule 14D-1 contains the following misrepresentations of
     fact . . . :
 
          (b) CSX states that the "purpose of the [CSX] Offer is for
     [CSX] . . . to acquire a significant equity interest in [Conrail] as
     the first step in a business combination of [CSX] and [Conrail]." This
     statement is false. The purpose of the CSX Offer is to swiftly
     transfer effective control over Conrail to CSX in order to lock up the
     CSX Transaction and foreclose the acquisition of Conrail by any
     competing higher bidder.
 
          (c) CSX states that "the Pennsylvania Control Transaction Law
     effectively precludes [CSX, through its acquisition subsidiary] from
     purchasing 20% or more of Conrail's shares pursuant to the [CSX]
     Offer." This statement is false. The provisions of Pennsylvania law to
     which Conrail is referring are those of Subchapter 25E of the
     Pennsylvania Business Corporation law. This law does not "effectively
     preclude" CSX from purchasing 20% or more of Conrail's stock other
     than through the CSX Merger. Rather, it simply requires a purchaser of
     20% or more of Conrail's voting stock to pay a fair price in cash, on
     demand, to the holders of the remaining 80% of the shares. The real
     reason that CSX will not purchase 20% or more of Conrail's voting
     stock absent the Charter Amendment is that, unlike NS, CSX is unable
     or unwilling to pay a fair price in cash for 100% of Conrail's stock.
 
                                       15
<PAGE>   16
 
     77. Conrail's Schedule 14D-9 states that "the [CSX Transaction] . . .
     is being structured as a true merger-of-equals transaction." This
     statement is false. The CSX Transaction is being structured as a
     rapid, locked-up sale of control of Conrail to CSX involving a
     significant, albeit inadequate, control premium.
 
     78. Each of the Conrail Preliminary Proxy Statement, the CSX Schedule
     14D-1, and the Conrail Schedule 14D-9 omit to disclose the following
     material facts, the disclosure of which are necessary to make the
     statements made in such documents not misleading . . . :
 
          (b) That both Conrail (and its senior management) and CSX (and
     its senior management) knew (i) that NS was keenly interested in
     acquiring Conrail, (ii) that NS has the financial capacity and
     resources to pay a higher price for Conrail than CSX could, and (iii)
     that a financially superior competing bid for Conrail by NS was
     inevitable.
 
          (c) That Conrail management led NS to believe that if and when
     the Conrail Board determined to sell Conrail, it would do so through a
     process in which NS would be given the opportunity to bid, and that in
     the several weeks prior to the announcement of the CSX Transaction,
     defendant LeVan on two occasions prevented Mr. Goode from presenting
     an acquisition proposal to Conrail by stating to him that making such
     a proposal would be unnecessary and that Mr. LeVan would contact Mr.
     Goode concerning NS's interest in acquiring Conrail following (i) the
     Conrail Board's strategic planning meeting scheduled for September
     1996 and (ii) a meeting of the Conrail Board purportedly scheduled for
     October 16, 1996.
 
          (d) That in September of 1994, NS had proposed a stock-for-stock
     acquisition of Conrail at an exchange ratio of 1.1 shares of NS stock
     for each share of Conrail stock, which ratio, if applied to the price
     of NS stock on the day before announcement of the CSX Transaction,
     October 14, 1996, implied a bid by NS worth over $101 per Conrail
     share.
 
          (e) That the CSX Transaction was structured to swiftly transfer
     effective, if not absolute voting control over Conrail to CSX, and to
     prevent any other bidders from acquiring Conrail for a higher price.
 
          (f) That although Conrail obtained opinions from Morgan Stanley
     and Lazard Freres that the consideration to be received by Conrail
     stockholders in the CSX Transaction was "fair" to such shareholders
     from a financial point of view, Conrail's Board did not ask its
     investment bankers whether the CSX Transaction consideration was
     adequate, from a financial point of view, in the context of a sale of
     control of Conrail such as the CSX Transaction.
 
          (g) That although in arriving at their "fairness" opinions, both
     Morgan Stanley and Lazard Freres purport to have considered the level
     of consideration paid in comparable transactions, both investment
     bankers failed to consider the most closely comparable
     transaction -- NS's September 1994 merger proposal, which as noted
     above, would imply a price per Conrail share in excess of $101.
 
          (h) That, if asked to do so, Conrail's investment bankers would
     be unable to opine in good faith that the consideration offered in the
     CSX Transaction is adequate to Conrail's shareholders from a financial
     point of view.
 
          (i) That Conrail's Board failed to seek a fairness opinion from
     its investment bankers concerning the $300 million break-up fee
     included in the CSX Transaction.
 
          (j) That Conrail's Board failed to seek a fairness opinion from
     its investment bankers concerning the Stock Option Agreement granted
     by Conrail to CSX in connection with the CSX Transaction.
 
          (k) That the Stock Option Agreement is structured so as to impose
     increasingly severe dilution costs on a competing bidder for control
     of Conrail for progressively higher acquisition bids.
 
          (l) That the Conrail Board intends to withhold the filing of the
     Charter Amendment following its approval by Conrail's stockholders if
     the effectiveness of such amendment would facilitate any bid for
     Conrail other than the CSX Transaction.
 
          (m) That the Charter Amendment and/or its submission to a vote of
     the Conrail shareholders is illegal and ultra vires under Pennsylvania
     law.
 
                                       16
<PAGE>   17
 
          (n) That the Conrail Board's discriminatory (i) use of the
     Charter Amendment, (ii) amendment of the Conrail Poison Pill and (iii)
     action exempting the CSX Transaction from Pennsylvania's Business
     Combination Statute, all to facilitate the CSX Transaction and to
     preclude competing financially superior offers for control of Conrail,
     constitute a breach of the defendant directors' fiduciary duty of
     loyalty.
 
          (o) That Conrail's Board failed to conduct a reasonable, good
     faith investigation of all reasonably available material information
     prior to approving the CSX transaction and related agreements,
     including the lock-up Stock Option Agreement.
 
          (p) That in recommending that Conrail's shareholders tender their
     shares to CSX in the CSX Offer, Conrail's Board did not conclude that
     doing so would be in the best interests of Conrail's shareholders.
 
          (q) That in recommending that Conrail's shareholders approve the
     Charter Amendment, the Conrail Board did not conclude that doing so
     would be in the best interests of Conrail's shareholders.
 
          (r) That in recommending that Conrail shareholders tender their
     shares to CSX in the CSX Offer, primary weight was given by the
     Conrail Board to interests of persons and/or groups other than
     Conrail's shareholders.
 
          (s) That in recommending that Conrail shareholders tender their
     shares to CSX in the CSX Offer, primary weight was given to the
     personal interests of defendant LeVan in increasing his compensation
     and succeeding Mr. Snow as Chairman and Chief Executive Officer of the
     combined CSX/Conrail company.
 
          (t) That the Continuing Director Requirement in Conrail's Poison
     Pill . . . adopted by Conrail's board in September 1995 and publicly
     disclosed at that time, is illegal and ultra vires under Pennsylvania
     law and therefore is void and unenforceable."
 
     The foregoing is a summary of NSC's complaint, as amended, and is qualified
in its entirety by reference to the NSC complaint, as amended, a copy of which
is filed as Exhibit (c)(6) to the Schedule 14D-1.
 
     Parent and Purchaser have filed motions to dismiss the claims alleged in
the NSC complaint.
 
     Shareholder Litigation.  On October 30, 1996, three shareholders of the
Company filed a complaint, individually and derivatively on behalf of the
Company, against the Company, Parent and certain other defendants in the United
States District Court for the Eastern District of Pennsylvania. Plaintiffs
request declaratory and injunctive relief from, among other things, defendants'
alleged violations of federal securities laws, holding the Pennsylvania Special
Meeting, consummation of the Offer, alleged illegal and ultra vires acts by the
Company and its directors, including seeking approval of the Articles Amendment,
and alleged breach of fiduciary duties by directors of the Company.
 
     9. MISCELLANEOUS.  Parent and Purchaser have filed with the SEC amendments
to the Schedule 14D-1 pursuant to Rule 14d-3 of the General Rules and
Regulations under the Securities Exchange Act, furnishing certain additional
information with respect to the Offer, and may file further amendments thereto.
The Schedule 14D-1, and any amendments thereto, including exhibits, may be
inspected at, and copies may be obtained from, the same places and in the same
manner as set forth in Section 8 of the Offer to Purchase (except that they will
not be available at the regional offices of the SEC).
 
     Except as modified by this Supplement, the terms set forth in the Offer to
Purchase, the amendments thereto and the related Letters of Transmittal remain
applicable in all respects to the Offer and this Supplement should be read in
conjunction with the Offer to Purchase, the amendments thereto and the related
Letters of Transmittal.
 
                                          GREEN ACQUISITION CORP.
 
November 6, 1996
 
                                       17
<PAGE>   18
 
     Facsimile copies of the Letter of Transmittal, properly completed and duly
signed, will be accepted. The Letter of Transmittal, certificates for the Shares
and any other required documents should be sent by each shareholder of the
Company or such shareholder's broker, dealer, commercial bank, trust company or
other nominee to the Depositary at one of its addresses set forth below:
 
                        The Depositary for the Offer is:
                       IBJ SCHRODER BANK & TRUST COMPANY
 
<TABLE>
<S>                            <C>                            <C>
           By Mail:              By Facsimile Transmission:   By Hand or Overnight Delivery:
          P.O. Box 84                  (212) 858-2611                One State Street
     Bowling Green Station          Attn: Reorganization         New York, New York 10004
 New York, New York 10274-0084      Operations Department            Attn: Securities
     Attn: Reorganization                                           Processing Window,
     Operations Department                                             Subcellar One
</TABLE>
 
                        Confirm Facsimile by Telephone:
                                 (212) 858-2103
                            ------------------------
 
     Any questions or requests for assistance or additional copies of the Offer
to Purchase, the Letter of Transmittal and the Notice of Guaranteed Delivery may
be directed to the Information Agent or the Dealer Manager at their respective
telephone numbers and locations listed below. You may also contact your broker,
dealer, commercial bank or trust company or other nominee for assistance
concerning the Offer.
 
                    The Information Agent for the Offer is:
                                      
                           MACKENZIE PARTNERS, INC.

                                156 Fifth Avenue
                            New York, New York 10010
                         (212) 929-5500 (call collect)
                                       or
                         CALL TOLL FREE (800) 322-2885
 
                      The Dealer Manager for the Offer is:

                        WASSERSTEIN PERELLA & CO., INC.
                              31 West 52nd Street
                            New York, New York 10019
                                 Call Collect:
                                 (212) 969-2700

<PAGE>   1
 
                             LETTER OF TRANSMITTAL
                              TO TENDER SHARES OF
       COMMON STOCK AND SERIES A ESOP CONVERTIBLE JUNIOR PREFERRED STOCK
     (including, in each case, the associated Common Stock Purchase Rights)
                                       OF
                                  CONRAIL INC.
                       PURSUANT TO THE OFFER TO PURCHASE
                             DATED OCTOBER 16, 1996
                           AND THE SUPPLEMENT THERETO
                             DATED NOVEMBER 6, 1996
                                       BY
 
                            GREEN ACQUISITION CORP.
                          a wholly owned subsidiary of
                                CSX CORPORATION
 
    THE OFFER HAS BEEN EXTENDED. THE OFFER, PRORATION PERIOD AND WITHDRAWAL
    RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON WEDNESDAY,
            NOVEMBER 20, 1996, UNLESS THE OFFER IS FURTHER EXTENDED.
 
                        The Depositary for the Offer is:
                       IBJ SCHRODER BANK & TRUST COMPANY
 
<TABLE>
<S>                                         <C>
                By Mail:                     By Hand or Overnight Delivery:
              P.O. Box 84                           One State Street
         Bowling Green Station                  New York, New York 10004
     New York, New York 10274-0084             Attn: Securities Processing
    Attn: Reorganization Operations                      Window,
               Department                             Subcellar One
</TABLE>
 
                           By Facsimile Transmission:
 
                                 (212) 858-2611
                   Attn: Reorganization Operations Department
 
                        Confirm Facsimile by telephone:
 
                                 (212) 858-2103
 
     DELIVERY OF THIS LETTER OF TRANSMITTAL TO AN ADDRESS OTHER THAN AS SET
FORTH ABOVE OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE OR TELEX TRANSMISSION
OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY. YOU MUST
SIGN THIS LETTER OF TRANSMITTAL WHERE INDICATED BELOW AND COMPLETE THE
SUBSTITUTE FORM W-9 PROVIDED BELOW.
 
     THE INSTRUCTIONS ACCOMPANYING THIS LETTER OF TRANSMITTAL SHOULD BE READ
CAREFULLY BEFORE THIS LETTER OF TRANSMITTAL IS COMPLETED.
 
     This Letter of Transmittal is to be completed by shareholders of Conrail
Inc. either if certificates ("Share Certificates") evidencing shares of common
stock, par value $1.00 per share (the "Common Shares"), or shares of Series A
ESOP Convertible Junior Preferred Stock, without par value (the "ESOP Preferred
Shares" and, together with the Common Shares, the "Shares"), are to be forwarded
herewith or if delivery of Shares is to be made by book-entry transfer to the
Depositary's account at The Depository Trust Company or the Philadelphia
Depository Trust Company (each, a "Book-Entry Transfer Facility" and
collectively, the "Book-Entry Transfer Facilities") pursuant to the book-entry
transfer procedure described in "Procedures for Tendering Shares" of the Offer
to Purchase (as defined below). Delivery of documents to a Book-Entry Transfer
Facility in accordance with such Book-Entry Transfer Facility's procedures does
not constitute delivery to the Depositary.
 
     While the previously circulated (blue) Letter of Transmittal refers to the
Offer to Purchase, dated October 16, 1996, and the Supplement thereto, dated
November 6, 1996, shareholders making use thereof to tender their Shares will
nevertheless receive $110 per Share for each Share validly tendered and not
withdrawn and accepted for payment pursuant to the Offer, subject to the
conditions of the Offer. Shareholders who have previously validly tendered and
have not withdrawn their Shares pursuant to the Offer are not required to take
any further action to receive the increased tender price of $110 per Share.
<PAGE>   2
 
     This revised (blue) Letter of Transmittal or the previously circulated
(blue) Letter of Transmittal is to be completed by shareholders either if
certificates evidencing Shares (as defined below) are to be forwarded herewith
or if delivery of Shares is to be made by book-entry transfer to the
Depositary's account at The Depository Trust Company or the Philadelphia
Depository Trust Company (each a "Book-Entry Transfer Facility" and
collectively, the "Book-Entry Transfer Facilities") pursuant to the book-entry
transfer procedure described in Section 3 of the Offer to Purchase (as defined
below). DELIVERY OF DOCUMENTS TO A BOOK-ENTRY TRANSFER FACILITY DOES NOT
CONSTITUTE DELIVERY TO THE DEPOSITORY.
 
     Holders of Shares will be required to tender one Right for each Share
tendered to effect a valid tender of such Share. Until the Distribution Date (as
defined in the Supplement) occurs, the Rights are represented by and transferred
with the Shares. Accordingly, if the Distribution Date does not occur prior to
the Expiration Date (as defined in the Supplement), a tender of Shares will
constitute a tender of the associated Rights. If a Distribution Date has
occurred, certificates representing a number of Rights equal to the number of
Shares being tendered must be delivered to the Depositary in order for such
Shares to be validly tendered. If a Distribution Date has occurred, a tender of
Shares without Rights constitutes an agreement by the tendering shareholder to
deliver certificates representing a number of Rights equal to the number of
Shares tendered pursuant to the Offer to the Depositary within three New York
Stock Exchange, Inc. trading days after the date such certificates are
distributed. Purchaser (as defined in the Offer to Purchase) reserves the right
to require that it receive such certificates prior to accepting Shares for
payment. Payment for Shares tendered and purchased pursuant to the Offer will be
made only after timely receipt by the Depositary of, among other things, such
certificates, if such certificates have been distributed to holders of Shares.
Purchaser will not pay any additional consideration for the Rights tendered
pursuant to the Offer.
 
     Shareholders whose Share Certificates are not immediately available or who
cannot deliver their Share Certificates and all other documents required hereby
to the Depositary prior to the Expiration Date (as defined in "Terms of the
Offer; Proration; Expiration Date" of the Offer to Purchase) or who cannot
complete the procedure for delivery by book-entry transfer on a timely basis and
who wish to tender their Shares must do so pursuant to the guaranteed delivery
procedure described in "Procedures for Tendering Shares" of the Offer to
Purchase. See Instruction 2.
 
[ ] CHECK HERE IF SHARES ARE BEING DELIVERED BY BOOK-ENTRY TRANSFER TO THE
    DEPOSITARY'S ACCOUNT AT ONE OF THE BOOK-ENTRY TRANSFER FACILITIES AND
    COMPLETE THE FOLLOWING:
 
    Name of Tendering Institution: _____________________________________________
 
    Check Box of Applicable Book-Entry Transfer Facility: 
 
    [ ] The Depository Trust Company
    [ ] Philadelphia Depository Trust Company
 
    Account Number ____________     Transaction Code Number ____________________
 
[ ] CHECK HERE IF SHARES ARE BEING TENDERED PURSUANT TO A NOTICE OF GUARANTEED
    DELIVERY PREVIOUSLY SENT TO THE DEPOSITARY AND COMPLETE THE FOLLOWING:
 
    Name(s) of Registered Holder(s): ___________________________________________
 
    Window Ticket No. (if any): ________________________________________________
 
    Date of Execution of Notice of Guaranteed Delivery: ________________________
 
    Name of Institution which Guaranteed Delivery: _____________________________
 
    If Delivered by Book-Entry Transfer, Check Box of Book-Entry Transfer
    Facility: __________________________________________________________________
 
    [ ]  The Depository Trust Company
    [ ]  Philadelphia Depository Trust Company
 
    Account Number ____________     Transaction Code Number ____________________

<PAGE>   3
<TABLE>
<CAPTION>
<S>                                            <C>              <C>              <C>
                                  DESCRIPTION OF SHARES TENDERED
 
<CAPTION>
                         NAME(S) AND ADDRESS(ES) OF REGISTERED HOLDER(S)
                                    (PLEASE FILL IN, IF BLANK)
<S>                                            <C>              <C>              <C>
 
</TABLE>
<TABLE>
<CAPTION>
 
<S>                             <C>                             <C>
                                 SHARE CERTIFICATE(S) TENDERED
                             (ATTACH ADDITIONAL LIST IF NECESSARY)
 
<CAPTION>
                                     TOTAL NUMBER OF SHARES             NUMBER OF SHARES
     CERTIFICATE NUMBER(S)*      REPRESENTED BY CERTIFICATE(S)             TENDERED**
<S>                             <C>                             <C>
          TOTAL SHARES
 * Need not be completed by shareholders tendering by book-entry transfer.
** Unless otherwise indicated, it will be assumed that all Shares being delivered to the
   Depositary are being tendered. See Instruction 4.
</TABLE>
 
                    NOTE: SIGNATURES MUST BE PROVIDED BELOW.
                 PLEASE READ THE INSTRUCTIONS SET FORTH IN THIS
                        LETTER OF TRANSMITTAL CAREFULLY.
<PAGE>   4
 
Ladies and Gentlemen:
 
     The undersigned hereby tenders to Green Acquisition Corp., a Pennsylvania
corporation ("Purchaser") and a wholly owned subsidiary of CSX Corporation, a
Virginia corporation, the above-described shares of common stock, par value
$1.00 per share (the "Common Shares") or shares of Series A ESOP Convertible
Junior Preferred Stock, without par value (the "ESOP Preferred Shares" and,
together with the Common Shares, the "Shares"), of Conrail Inc., a Pennsylvania
corporation (the "Company"), including, in each case, the associated Common
Stock Purchase Rights (the "Rights") issued pursuant to the Rights Agreement,
dated as of July 19, 1989, between the Company and First Chicago Trust Company
of New York, as Rights Agent (as amended, the "Rights Agreement"), pursuant to
Purchaser's offer to purchase an aggregate of 17,860,124 Shares, including, in
each case, the associated Rights, at a price of $110 per Share, net to the
seller in cash, upon the terms and subject to the conditions set forth in the
Offer to Purchase, dated October 16, 1996 (the "Offer to Purchase"), as amended
and supplemented by the Supplement thereto, dated November 6, 1996 (the
"Supplement"), receipt of which is hereby acknowledged, and in the related
Letters of Transmittal (which, as amended from time to time, together constitute
the "Offer"). All references herein to the Common Shares, ESOP Preferred Shares
or Shares includes the associated Rights.
 
     The undersigned understands that Purchaser reserves the right to transfer
or assign, in whole at any time, or in part from time to time, to one or more of
its affiliates, the right to purchase all or any portion of the Shares tendered
pursuant to the Offer, but any such transfer or assignment will not relieve
Purchaser of its obligations under the Offer and will in no way prejudice the
rights of tendering shareholders to receive payment for Shares validly tendered
and accepted for payment pursuant to the Offer.
 
     Subject to, and effective upon, acceptance for payment of the Shares
tendered herewith, in accordance with the terms of the Offer (including, if the
Offer is extended or amended, the terms and conditions of any such extension or
amendment), the undersigned hereby sells, assigns and transfers to, or upon the
order of, Purchaser all right, title and interest in and to all the Shares that
are being tendered hereby (and any and all non-cash dividends, distributions,
rights, other Shares or other securities issued or issuable in respect of such
Shares or declared, paid or distributed in respect of such Shares on or after
October 14, 1996 (collectively, "Distributions")), and irrevocably appoints the
Depositary the true and lawful agent and attorney-in-fact of the undersigned
with respect to such Shares and all Distributions, with full power of
substitution (such power of attorney being deemed to be an irrevocable power
coupled with an interest), to (i) deliver certificates for such Shares
(individually, a "Share Certificate") and all Distributions, or transfer
ownership of such Shares and all Distributions on the account books maintained
by a Book-Entry Transfer Facility, together, in either case, with all
accompanying evidence of transfer and authenticity to, or upon the order of
Purchaser, (ii) present such Shares and all Distributions for transfer on the
books of the Company and (iii) receive all benefits and otherwise exercise all
rights of beneficial ownership of such Shares and all Distributions, all in
accordance with the terms of the Offer.
 
     If, on or after October 14, 1996, the Company should declare or pay any
cash or stock dividend, other than regular quarterly cash dividends, or make any
distribution with respect to the Shares that is payable or distributable to
stockholders of record on a date prior to the transfer to the name of Purchaser
or its nominee or transferee on the Company's stock transfer records of the
Shares accepted for payment pursuant to the Offer, then, subject to the
provisions of Section 14 of the Offer to Purchase, (i) the purchase price per
Share payable by Purchaser pursuant to the Offer will be reduced by the amount
of any such cash dividend or cash distribution and (ii) any such non-cash
dividend, distribution or right to be received by the tendering shareholder will
be received and held by such tendering shareholder for the account of Purchaser
and will be required to be promptly remitted and transferred by each such
tendering shareholder to the Depositary for the account of Purchaser,
accompanied by appropriate documentation of transfer. Pending such remittance,
Purchaser will be entitled to all rights and privileges as owner of any such
non-cash dividend, distribution or right and may withhold the entire purchase
price or deduct from the purchase price the amount of value thereof, as
determined by Purchaser in its sole discretion.
 
     By executing this Letter of Transmittal, the undersigned irrevocably
appoints John W. Snow, Mark G. Aron and Alan A. Rudnick as proxies of the
undersigned, each with full power of substitution, to the full extent of the
undersigned's rights with respect to the Shares tendered by the undersigned and
accepted for payment by Purchaser (and any and all Distributions). All such
proxies shall be considered coupled with an interest in the tendered Shares.
This appointment will be effective if, when, and only to the extent that,
Purchaser accepts such Shares for payment pursuant to the Offer. Upon such
acceptance for payment, all prior proxies given by the undersigned with respect
to such Shares, Distributions and other securities will, without further action,
be revoked, and no subsequent proxies may be given. The individuals named above
as proxies will, with respect to the Shares, Distributions and other securities
for which the appointment is effective, be empowered (subject to the terms of
the Voting Trust Agreement (as defined in the Offer to Purchase) so long as it
shall be in effect with respect to the Shares) to exercise all voting and other
rights of the undersigned as they in their sole discretion may deem proper at
any annual, special, adjourned or postponed meeting of the Company's
shareholders, by written consent or otherwise, and Purchaser reserves the right
to require that, in order for Shares, Distributions or other securities to be
deemed validly tendered, immediately upon Purchaser's acceptance for payment of
such Shares Purchaser must be able to exercise full voting rights with respect
to such Shares.
<PAGE>   5
 
     The undersigned hereby represents and warrants that the undersigned has
full power and authority to tender, sell, assign and transfer the Shares
tendered hereby and all Distributions, that the undersigned own(s) the Shares
tendered hereby within the meaning of Rule 14e-4 promulgated under the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), that such
tender of Shares complies with Rule 14e-4 under the Exchange Act, and that when
such Shares are accepted for payment by Purchaser, Purchaser will acquire good,
marketable and unencumbered title thereto and to all Distributions, free and
clear of all liens, restrictions, charges and encumbrances, and that none of
such Shares and Distributions will be subject to any adverse claim. The
undersigned, upon request, shall execute and deliver all additional documents
deemed by the Depositary or Purchaser to be necessary or desirable to complete
the sale, assignment and transfer of the Shares tendered hereby and all
Distributions. In addition, the undersigned shall remit and transfer promptly to
the Depositary for the account of Purchaser all Distributions in respect of the
Shares tendered hereby, accompanied by appropriate documentation of transfer,
and, pending such remittance and transfer or appropriate assurance thereof,
Purchaser shall be entitled to all rights and privileges as owner of each such
Distribution and may withhold the entire purchase price of the Shares tendered
hereby or deduct from such purchase price, the amount or value of such
Distribution as determined by Purchaser in its sole discretion.
 
     No authority herein conferred or agreed to be conferred shall be affected
by, and all such authority shall survive, the death or incapacity of the
undersigned. All obligations of the undersigned hereunder shall be binding upon
the heirs, personal representatives, successors and assigns of the undersigned.
Except as stated in the Offer to Purchase or the Supplement, this tender is
irrevocable.
 
     The undersigned understands that tenders of Shares pursuant to any one of
the procedures described in "Procedures for Tendering Shares" of the Offer to
Purchase and in the Instructions hereto will constitute the undersigned's
acceptance of the terms and conditions of the Offer. Purchaser's acceptance for
payment of Shares tendered pursuant to the Offer will constitute a binding
agreement between the undersigned and Purchaser upon the terms and subject to
the conditions of the Offer. The undersigned recognizes that under certain
circumstances set forth in the Offer to Purchase, Purchaser may not be required
to accept for payment any of the Shares tendered hereby.
 
     Unless otherwise indicated herein in the box entitled "Special Payment
Instructions," please issue the check for the purchase price of all Shares
purchased, and return all Share Certificates evidencing Shares not purchased or
not tendered, in the name(s) of the registered holder(s) appearing above under
"Description of Shares Tendered." Similarly, unless otherwise indicated in the
box entitled "Special Delivery Instructions," please mail the check for the
purchase price of all Shares purchased and all Share Certificates evidencing
Shares not tendered or not purchased (and accompanying documents, as
appropriate) to the address(es) of the registered holder(s) appearing above
under "Description of Shares Tendered." In the event that the boxes entitled
"Special Payment Instructions" and "Special Delivery Instructions" are both
completed, please issue the check for the purchase price of all Shares purchased
and return all Share Certificates evidencing Shares not purchased or not
tendered in the name(s) of, and mail such check and Share Certificates to, the
person(s) so indicated. Unless otherwise indicated herein in the box entitled
"Special Payment Instructions," please credit any Shares tendered hereby and
delivered by book-entry transfer, but which are not purchased, by crediting the
account at the Book-Entry Transfer Facility designated above. The undersigned
recognizes that Purchaser has no obligation, pursuant to the Special Payment
Instructions, to transfer any Shares from the name of the registered holder(s)
thereof if Purchaser does not accept for payment any of the Shares tendered
hereby.
<PAGE>   6
 
                          SPECIAL PAYMENT INSTRUCTIONS
                       (SEE INSTRUCTIONS 1, 5, 6 AND 7 OF
                          THIS LETTER OF TRANSMITTAL)
 
     To be completed ONLY if certificates for Shares not tendered or not
purchased and/or the check for the purchase price of Shares purchased are to be
issued in the name of someone other than the undersigned, or if Shares delivered
by book-entry transfer which are not purchased are to be returned by credit to
an account maintained at a Book-Entry Transfer Facility other than that
designated above.
 
Issue check and/or certificates to:
 
Name 
     -------------------------------------------------
                                    (PLEASE PRINT)
 
Address
 
- ------------------------------------------------------
                                   (ZIP CODE)
 
- ------------------------------------------------------
              (TAXPAYER IDENTIFICATION OR SOCIAL SECURITY NUMBER)
 
(ALSO COMPLETE SUBSTITUTE FORM W-9 BELOW)
 
[ ] Credit unpurchased Shares delivered by book-entry transfer to the Book-Entry
    Transfer Facility account set forth below:
 
Check appropriate box:
 
[ ] The Depository Trust Company
[ ] Philadelphia Depository Trust Company
 
- ------------------------------------------------------
                                (ACCOUNT NUMBER)
 
                         SPECIAL DELIVERY INSTRUCTIONS
                        (SEE INSTRUCTIONS 1, 5, 6 AND 7
                         OF THIS LETTER OF TRANSMITTAL)
 
     To be completed ONLY if certificates for Shares not tendered or not
purchased and/or the check for the purchase price of Shares purchased are to be
sent to someone other than the undersigned, or to the undersigned at an address
other than that shown above.
 
Mail check and/or certificates to:
 
Name
     -------------------------------------------------
                                    (PLEASE PRINT)
 
Address
 
- ------------------------------------------------------
                                   (ZIP CODE)
<PAGE>   7
 
                                   SIGN HERE
                   (COMPLETE SUBSTITUTE FORM W-9 ON REVERSE)
 
X
- --------------------------------------------------------------------------------
 
X
- --------------------------------------------------------------------------------
                          (SIGNATURE(S) OF HOLDER(S))
 
Date                          , 1996
 
(Must be signed by registered holder(s) exactly as name(s) appear(s) on common
or preferred stock certificate(s) or on a security position listing or by
person(s) authorized to become registered holder(s) by certificates and
documents transmitted herewith. If signature is by trustees, executors,
administrators, guardians, attorneys-in-fact, officers of corporations or others
acting in a fiduciary or representative capacity, please provide the following
information. See Instruction 5 of this Letter of Transmittal.)
 
Name(s)________________________________________________________________________
                                 (PLEASE PRINT)

Capacity (Full Title)__________________________________________________________

Address________________________________________________________________________

- -------------------------------------------------------------------------------
                               (INCLUDE ZIP CODE)

Area Code and Telephone Number_________________________________________________

Tax Identification or Social Security No.______________________________________
                                    (COMPLETE SUBSTITUTE FORM W-9 ON REVERSE)
 

                           GUARANTEE OF SIGNATURE(S)
            (SEE INSTRUCTIONS 1 AND 5 OF THIS LETTER OF TRANSMITTAL)

Authorized Signature___________________________________________________________

Name___________________________________________________________________________
                                 (PLEASE PRINT)

Title__________________________________________________________________________

Name of Firm___________________________________________________________________

Address________________________________________________________________________

- --------------------------------------------------------------------------------
                               (INCLUDE ZIP CODE)

Area Code and Telephone Number
 
Date                          , 1996
<PAGE>   8
 
                                  INSTRUCTIONS
 
             FORMING PART OF THE TERMS AND CONDITIONS OF THE OFFER
 
     1. Guarantee of Signatures.  Except as otherwise provided below, all
signatures on this Letter of Transmittal must be guaranteed by a firm which is a
bank, broker, dealer, credit union, savings association, or other entity that is
a member in good standing of the Securities Transfer Agent's Medallion Program
(each, an "Eligible Institution"). No signature guarantee is required on this
Letter of Transmittal (a) if this Letter of Transmittal is signed by the
registered holder(s) (which term, for purposes of this document, shall include
any participant in a Book-Entry Transfer Facility whose name appears on a
security position listing as the owner of Shares) of Shares tendered herewith,
unless such holder(s) has completed either the box entitled "Special Delivery
Instructions" or the box entitled "Special Payment Instructions" on the reverse
hereof, or (b) if such Shares are tendered for the account of an Eligible
Institution. See Instruction 5. If a Share Certificate is registered in the name
of a person other than the signer of this Letter of Transmittal, or if payment
is to be made, or a Share Certificate not accepted for payment or not tendered
is to be returned, to a person other than the registered holder(s), then the
Share Certificate must be endorsed or accompanied by appropriate stock powers,
in either case signed exactly as the name(s) of the registered holder(s)
appear(s) on the Share Certificate, with the signature(s) on such Share
Certificate or stock powers guaranteed as described above. See Instruction 5.
 
     2. Delivery of Letter of Transmittal and Share Certificates.  This Letter
of Transmittal is to be used either if Share Certificates are to be forwarded
herewith or if Shares are to be delivered by book-entry transfer pursuant to the
procedure set forth in "Procedures for Tendering Shares" of the Offer to
Purchase. Share Certificates evidencing all tendered Shares, or confirmation of
a book-entry transfer of such Shares, if such procedure is available, into the
Depositary's account at one of the Book-Entry Transfer Facilities pursuant to
the procedures set forth in "Procedures for Tendering Shares" of the Offer to
Purchase, together with a properly completed and duly executed Letter of
Transmittal (or facsimile thereof) with any required signature guarantees (or,
in the case of a book-entry transfer, an Agent's Message, as defined below) and
any other documents required by this Letter of Transmittal, must be received by
the Depositary at one of its addresses set forth on the reverse hereof prior to
the Expiration Date (as defined in "Terms of the Offer; Proration; Expiration
Date" of the Offer to Purchase). If Share Certificates are forwarded to the
Depositary in multiple deliveries, a properly completed and duly executed Letter
of Transmittal must accompany each such delivery. Stockholders whose Share
Certificates are not immediately available, who cannot deliver their Share
Certificates and all other required documents to the Depositary prior to the
Expiration Date or who cannot complete the procedure for delivery by book-entry
transfer on a timely basis may tender their Shares pursuant to the guaranteed
delivery procedure described in "Procedures for Tendering Shares" of the Offer
to Purchase. Pursuant to such procedure: (i) such tender must be made by or
through an Eligible Institution; (ii) a properly completed and duly executed
Notice of Guaranteed Delivery, substantially in the form provided by Purchaser
herewith, must be received by the Depositary prior to the Expiration Date; and
(iii) in the case of a guarantee of Shares, the Share Certificates, in proper
form for transfer, or a confirmation of a book-entry transfer of such Shares, if
such procedure is available, into the Depositary's account at one of the
Book-Entry Transfer Facilities, together with a properly completed and duly
executed Letter of Transmittal (or manually signed facsimile thereof) with any
required signature guarantees (or, in the case of a book-entry transfer, an
Agent's Message), and any other documents required by this Letter of
Transmittal, must be received by the Depositary within three New York Stock
Exchange, Inc. trading days after the date of execution of the Notice of
Guaranteed Delivery, all as described in "Procedures for Tendering Shares" of
the Offer to Purchase. The term "Agent's Message" means a message, transmitted
by a Book-Entry Transfer Facility to, and received by the Depositary and forming
a part of a Book-Entry Confirmation, which states that such Book-Entry Transfer
Facility has received an express acknowledgment from the participant in such
Book-Entry Transfer Facility tendering the Shares, that such participant has
received and agrees to be bound by the terms of this Letter of Transmittal and
that the Purchaser may enforce such agreement against the participant.
 
     THE METHOD OF DELIVERY OF THIS LETTER OF TRANSMITTAL, SHARE CERTIFICATES
AND ALL OTHER REQUIRED DOCUMENTS, INCLUDING DELIVERY THROUGH ANY BOOK-ENTRY
TRANSFER FACILITY, IS AT THE OPTION AND RISK OF THE TENDERING STOCKHOLDER, AND
THE DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY RECEIVED BY THE DEPOSITARY.
IF DELIVERY IS BY MAIL, REGISTERED MAIL WITH RETURN RECEIPT REQUESTED, PROPERLY
INSURED, IS RECOMMENDED. IN ALL CASES, SUFFICIENT TIME SHOULD BE ALLOWED TO
ENSURE TIMELY DELIVERY.
 
     No alternative, conditional or contingent tenders will be accepted and no
fractional Shares will be purchased. By execution of this Letter of Transmittal
(or a facsimile hereof), all tendering stockholders waive any right to receive
any notice of the acceptance of their Shares for payment.
 
     3. Inadequate Space.  If the space provided herein under "Description of
Shares Tendered" is inadequate, the Share Certificate numbers, the number of
Shares evidenced by such Share Certificates and the number of Shares tendered
should be listed on a separate schedule and attached hereto.
 
     4. Partial Tenders.  (Not applicable to stockholders who tender by
book-entry transfer.) If fewer than all the Shares evidenced by any Share
Certificate delivered to the Depositary herewith are to be tendered hereby, fill
in the number of Shares which are to be tendered in the box entitled "Number of
Shares Tendered." In such cases, new Share Certificate(s) evidencing the
remainder of the Shares that were evidenced by the Share Certificates delivered
to the Depositary herewith will be sent to the person(s) signing this Letter of
Transmittal, unless otherwise provided in the box entitled "Special Delivery
Instructions," as soon as practicable after the expiration or termination of the
Offer. All Shares evidenced by Share Certificates delivered to the Depositary
will be deemed to have been tendered unless otherwise indicated.
<PAGE>   9
 
     5. Signatures on Letter of Transmittal; Stock Powers and Endorsements.  If
this Letter of Transmittal is signed by the registered holder(s) of the Shares
tendered hereby, the signature(s) must correspond with the name(s) as written on
the face of the Share Certificates evidencing such Shares without alteration,
enlargement or any other change whatsoever.
 
     If any Share tendered hereby is owned of record by two or more persons, all
such persons must sign this Letter of Transmittal.
 
     If any of the Shares tendered hereby are registered in the names of
different holders, it will be necessary to complete, sign and submit as many
separate Letters of Transmittal as there are different registrations of such
certificates.
 
     If this Letter of Transmittal is signed by the registered holder(s) of the
Shares tendered hereby, no endorsements of Share Certificates or separate stock
powers are required, unless payment is to be made to, or Share Certificates
evidencing Shares not tendered or not purchased are to be issued in the name of,
a person other than the registered holder(s), in which case, the Share
Certificate(s) evidencing the Shares tendered hereby must be endorsed or
accompanied by appropriate stock powers, in either case signed exactly as the
name(s) of the registered holder(s) appear(s) on such Share Certificate(s).
Signatures on such Share Certificate(s) and stock powers must be guaranteed by
an Eligible Institution.
 
     If this Letter of Transmittal is signed by a person other than the
registered holder(s) of the Shares tendered hereby, the Share Certificate(s)
evidencing the Shares tendered hereby must be endorsed or accompanied by
appropriate stock powers, in either case signed exactly as the name(s) of the
registered holder(s) appear(s) on such Share Certificate(s). Signatures on such
Share Certificate(s) and stock powers must be guaranteed by an Eligible
Institution.
 
     If this Letter of Transmittal or any Share Certificate(s) or stock power is
signed by a trustee, executor, administrator, guardian, attorney-in-fact,
officer of a corporation or other person acting in a fiduciary or representative
capacity, such person should so indicate when signing, and proper evidence
satisfactory to Purchaser of such person's authority so to act must be
submitted.
 
     6. Stock Transfer Taxes.  Except as otherwise provided in this Instruction
6, Purchaser will pay all stock transfer taxes with respect to the sale and
transfer of any Shares to it or its order pursuant to the Offer. If, however,
payment of the purchase price of any Shares purchased is to be made to, or Share
Certificate(s) evidencing Shares not tendered or not purchased are to be issued
in the name of, a person other than the registered holder(s), the amount of any
stock transfer taxes (whether imposed on the registered holder(s), such other
person or otherwise) payable on account of the transfer to such other person
will be deducted from the purchase price of such Shares purchased, unless
evidence satisfactory to Purchaser of the payment of such taxes, or exemption
therefrom, is submitted.
 
     EXCEPT AS PROVIDED IN THIS INSTRUCTION 6, IT WILL NOT BE NECESSARY FOR
TRANSFER TAX STAMPS TO BE AFFIXED TO THE SHARE CERTIFICATE(S) EVIDENCING THE
SHARES TENDERED HEREBY.
 
     7. Special Payment and Delivery Instructions.  If a check for the purchase
price of any Shares tendered hereby is to be issued, or Share Certificate(s)
evidencing Shares not tendered or not purchased are to be issued, in the name of
a person other than the person(s) signing this Letter of Transmittal or if such
check or any such Share Certificate is to be sent to someone other than the
person(s) signing this Letter of Transmittal or to the person(s) signing this
Letter of Transmittal but at an address other than that shown in the box
entitled "Description of Shares Tendered," the appropriate boxes on this Letter
of Transmittal must be completed. Shares tendered hereby by book-entry transfer
may request that Shares not purchased be credited to such account maintained at
a Book-Entry Transfer Facility as such stockholder may designate in the box
entitled "Special Payment Instructions" on the reverse hereof. If no such
instructions are given, all such Shares not purchased will be returned by
crediting the account at the Book-Entry Transfer Facility designated on the
reverse hereof as the account from which such Shares were delivered.
 
     8. Requests for Assistance or Additional Copies.  Requests for assistance
may be directed to the Information Agent or Dealer Manager at their respective
addresses or telephone numbers set forth below. Additional copies of the Offer
to Purchase, this Letter of Transmittal, the Notice of Guaranteed Delivery and
the Guidelines for Certification of Taxpayer Identification Number on Substitute
Form W-9 may be obtained from the Information Agent or the Dealer Manager or
from brokers, dealers, commercial banks or trust companies.
 
     9. Substitute Form W-9.  Each tendering shareholder is required to provide
the Depositary with a correct Taxpayer Identification Number ("TIN") on the
Substitute Form W-9 which is provided under "Important Tax Information" below,
and to certify, under penalties of perjury, that such number is correct and that
such shareholder is not subject to backup withholding of federal income tax. If
a tendering shareholder has been notified by the Internal Revenue Service that
such shareholder is subject to backup withholding, such shareholder must cross
out item (2) of the Certification box of the Substitute Form W-9, unless such
shareholder has since been notified by the Internal Revenue Service that such
shareholder is no longer subject to backup withholding. Failure to provide the
information on the Substitute Form W-9 may subject the tendering shareholder to
31% federal income tax withholding on the payment of the purchase price of all
Shares purchased from such shareholder. If the tendering shareholder has not
been issued a TIN and has applied for one or intends to apply for one in the
near future, such shareholder should write "Applied For" in the space provided
for the TIN in Part I of the Substitute Form W-9, and sign and date the
Substitute Form W-9. If "Applied For" is written in Part I and the Depositary is
not provided with a TIN within 60 days, the Depositary will withhold 31% on all
payments of the purchase price to such stockholder until a TIN is provided to
the Depositary.
 
     10. Lost, Destroyed or Stolen Certificates.  If any certificate(s)
representing Shares has been lost, destroyed or stolen, the shareholder should
promptly notify the Depositary. The shareholder will then be instructed as to
the steps that must be taken in order to replace the certificate(s). This Letter
of Transmittal and related documents cannot be processed until the procedures
for replacing lost or destroyed certificates have been followed.
<PAGE>   10
 
     IMPORTANT: THIS LETTER OF TRANSMITTAL (OR FACSIMILE HEREOF), PROPERLY
COMPLETED AND DULY EXECUTED, WITH ANY REQUIRED SIGNATURE GUARANTEES, OR AN
AGENT'S MESSAGE (TOGETHER WITH SHARE CERTIFICATES OR CONFIRMATION OF BOOK-ENTRY
TRANSFER AND ALL OTHER REQUIRED DOCUMENTS) OR A PROPERLY COMPLETED AND DULY
EXECUTED NOTICE OF GUARANTEED DELIVERY MUST BE RECEIVED BY THE DEPOSITARY PRIOR
TO THE EXPIRATION DATE.
 
                           IMPORTANT TAX INFORMATION
 
     Under the federal income tax law, a shareholder whose tendered Shares are
accepted for payment is required by law to provide the Depositary (as payer)
with such shareholder's correct TIN on Substitute Form W-9 below. If such
shareholder is an individual, the TIN is such shareholder's social security
number. If the Depositary is not provided with the correct TIN, the shareholder
may be subject to a $50 penalty imposed by the Internal Revenue Service. In
addition, payments that are made to such shareholder with respect to Shares and
Rights purchased pursuant to the Offer may be subject to backup withholding of
31%.
 
     Certain shareholders (including, among others, all corporations and certain
foreign individuals) are not subject to these backup withholding and reporting
requirements. In order for a foreign individual to qualify as an exempt
recipient, such individual must submit a statement, signed under penalties of
perjury, attesting to such individual's exempt status. Forms of such statements
can be obtained from the Depositary. See the enclosed Guidelines for
Certification of Taxpayer Identification Number on Substitute Form W-9 for
additional instructions.
 
     If backup withholding applies with respect to a shareholder, the Depositary
is required to withhold 31% of any payments made to such shareholder. Backup
withholding is not an additional tax. Rather, the tax liability of persons
subject to backup withholding will be reduced by the amount of tax withheld. If
withholding results in an overpayment of taxes, a refund may be obtained from
the Internal Revenue Service.
 
PURPOSE OF SUBSTITUTE FORM W-9
 
     To prevent backup withholding on payments that are made to a shareholder
with respect to Shares purchased pursuant to the Offer, the shareholder is
required to notify the Depositary of such shareholder's correct TIN by
completing the form below certifying (a) that the TIN provided on Substitute
Form W-9 is correct (or that such shareholder is awaiting a TIN), and (b) that
(i) such shareholder has not been notified by the Internal Revenue Service that
such shareholder is subject to backup withholding as a result of a failure to
report all interest or dividends or (ii) the Internal Revenue Service has
notified such shareholder that such shareholder is no longer subject to backup
withholding.
 
WHAT NUMBER TO GIVE THE DEPOSITARY
 
     The shareholder is required to give the Depositary the social security
number or employer identification number of the record holder of the Shares
tendered hereby. If the Shares are in more than one name or are not in the name
of the actual owner, consult the enclosed Guidelines for Certification of
Taxpayer Identification Number on Substitute Form W-9 for additional guidance on
which number to report. If the tendering shareholder has not been issued a TIN
and has applied for a number or intends to apply for a number in the near
future, the shareholder should write "Applied For" in the space provided for the
TIN in Part I, and sign and date the Substitute Form W-9. If "Applied For" is
written in Part I and the Depositary is not provided with a TIN within 60 days,
the Depositary will withhold 31% of all payments of the purchase price to such
stockholder until a TIN is provided to the Depositary.
<PAGE>   11
 
- --------------------------------------------------------------------------------
 
  PAYER'S NAME:  IBJ SCHRODER BANK & TRUST COMPANY, AS DEPOSITARY
 
<TABLE>
                            <S>                                        <C>               <C>
- --------------------------------------------------------------------------------
                             PART I -- PLEASE PROVIDE YOUR TIN IN THE  Social Security Number OR
                             BOX AT RIGHT AND CERTIFY BY SIGNING AND   /        /
                             DATING BELOW.
                                                                       Employer Identification Number
  SUBSTITUTE                                                           (If awaiting TIN write "Applied For")
  FORM W-9                  --------------------------------------------------------------------------------------------
  DEPARTMENT OF              PART II -- For Payees Exempt From Backup Withholding, see the enclosed Guidelines and complete
  THE TREASURY               as instructed therein. CERTIFICATION -- Under penalties of perjury, I certify that:
  INTERNAL                    (1) The number shown on this form is my correct Taxpayer Identification Number (or a Taxpayer
  REVENUE SERVICE                 Identification Number has not been issued to me and either (a) I have mailed or delivered
  PAYER'S REQUEST                 an application to receive a Taxpayer Identification Number to the appropriate Internal
  FOR TAXPAYER                    Revenue Service ("IRS") or Social Security Administration office or (b) I intend to mail or
  IDENTIFICATION                  deliver an application in the near future. I understand that if I do not provide a Taxpayer
  NUMBER (TIN)                    Identification Number within sixty (60) days, 31% of all reportable payments made to me
                                  thereafter will be withheld until I provide a number), and
                              (2) I am not subject to backup withholding either because I have not been notified by the IRS
                                  that I am subject to backup withholding as a result of failure to report all interest or
                                  dividends, or the IRS has notified me that I am no longer subject to backup withholding.
                            --------------------------------------------------------------------------------------------
                             CERTIFICATE INSTRUCTIONS -- You must cross out item (2)
                             above if you have been notified by the IRS that you are
                             subject to backup withholding because of underreporting
                             interest or dividends on your tax return. However, if after
                             being notified by the IRS that you were subject to backup
                             withholding you received another notification from the IRS
                             that you are no longer subject to backup withholding, do not
                             cross out item (2).
                             (Also see instructions in the enclosed Guidelines.)
                             -----------------------------  DATE ________________, 1996
                              SIGNATURE
</TABLE>
 
- --------------------------------------------------------------------------------
 
NOTE: FAILURE TO COMPLETE AND RETURN THIS FORM MAY RESULT IN BACKUP WITHHOLDING
      OF 31% OF ANY PAYMENTS MADE TO YOU PURSUANT TO THE OFFER. PLEASE REVIEW
      THE ENCLOSED GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
      NUMBER ON SUBSTITUTE FORM W-9 FOR ADDITIONAL DETAILS.
 
           Questions and requests for assistance or additional copies
              of the Offer to Purchase, Letter of Transmittal and
              other tender offer materials may be directed to the
          Information Agent or the Dealer Manager as set forth below:
 
                    The Information Agent for the Offer is:
 
                           MACKENZIE PARTNERS, INC.
 
                                156 Fifth Avenue
                            New York, New York 10010
                         (212) 929-5500 (call collect)
                                       or
                         CALL TOLL FREE (800) 322-2885
 
                      The Dealer Manager for the Offer is:
 
                        WASSERSTEIN PERELLA & CO., INC.
 
                              31 West 52nd Street
                            New York, New York 10019
                                 Call Collect:
                                 (212) 969-2700









  


<PAGE>   1
 
                         NOTICE OF GUARANTEED DELIVERY
                            FOR TENDER OF SHARES OF
       COMMON STOCK AND SERIES A ESOP CONVERTIBLE JUNIOR PREFERRED STOCK
     (including, in each case, the associated Common Stock Purchase Rights)
                                       OF
                                  CONRAIL INC.
                                       TO
 
                            GREEN ACQUISITION CORP.
                          a wholly owned subsidiary of
                                CSX CORPORATION
                   (Not to be Used for Signature Guarantees)
 
     This Notice of Guaranteed Delivery, or one substantially in the form
hereof, must be used to accept the Offer (as defined below) if (i) certificates
("Share Certificates") evidencing shares of common stock, par value $1.00 per
share (the "Common Shares"), or shares of Series A ESOP Convertible Junior
Preferred Stock, without par value (the "ESOP Preferred Shares" and, together
with the Common Shares, the "Shares"), of Conrail Inc., a Pennsylvania
corporation (the "Company"), including the associated Common Stock Purchase
Rights (the "Rights") issued pursuant to the Rights Agreement, dated July 19,
1989, between the Company and First Chicago Trust Company of New York, as Rights
Agent (as amended, the "Rights Agreement"), are not immediately available, (ii)
time will not permit all required documents to reach IBJ Schroder Bank and Trust
Company, as Depositary (the "Depositary"), prior to the Expiration Date (as
defined in "Terms of the Offer; Proration; Expiration Date" of the Offer to
Purchase (as defined below)) or (iii) the procedure for book-entry transfer
cannot be completed on a timely basis. All references herein to the Common
Shares, ESOP Preferred Shares or Shares include the associated Rights. This
Notice of Guaranteed Delivery may be delivered by hand or transmitted by
telegram, facsimile transmission or mail to the Depositary. See "Procedures for
Tendering Shares" of the Offer to Purchase.
 
                        The Depositary for the Offer is:
 
                       IBJ SCHRODER BANK & TRUST COMPANY
 
<TABLE>
<CAPTION>
                                                                                By Hand or
             By Mail:                 By Facsimile Transmission:           Overnight Delivery:
<S>                               <C>                               <C>
      Bowling Green Station                 (212) 858-2611                   One State Street
           P.O. Box 84                   Attn: Reorganization            New York, New York 10004
  New York, New York 10274-0084         Operations Department          Attn: Securities Processing
       Attn: Reorganization                                                      Window,
      Operations Department                                                   Subcellar One
                                   Confirm Facsimile by Telephone:
                                            (212) 858-2103
</TABLE>
 
     DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS
SET FORTH ABOVE, OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE TRANSMISSION
OTHER THAN AS SET FORTH ABOVE, WILL NOT CONSTITUTE A VALID DELIVERY.
 
     THIS FORM IS NOT TO BE USED TO GUARANTEE SIGNATURES. IF A SIGNATURE ON A
LETTER OF TRANSMITTAL IS REQUIRED TO BE GUARANTEED BY AN "ELIGIBLE INSTITUTION"
UNDER THE INSTRUCTIONS THERETO, SUCH SIGNATURE GUARANTEE MUST APPEAR IN THE
APPLICABLE SPACE PROVIDED IN THE SIGNATURE BOX ON THE LETTER OF TRANSMITTAL.
<PAGE>   2
 
Ladies and Gentlemen:
 
     The undersigned hereby tenders to Green Acquisition Corp., a Pennsylvania
corporation and a wholly owned subsidiary of CSX Corporation, a Virginia
corporation, upon the terms and subject to the conditions set forth in the Offer
to Purchase, dated October 16, 1996 (the "Offer to Purchase"), as amended and
supplemented by the Supplement thereto, dated November 6, 1996 (the
"Supplement"), and the related Letters of Transmittal (which, as amended from
time to time, together constitute the "Offer"), receipt of each of which is
hereby acknowledged, the number of Shares specified below pursuant to the
guaranteed delivery procedures described in "Procedures for Tendering Shares" of
the Offer to Purchase.
 
<TABLE>
<S>                                                  <C>
Number of Shares:                                    Name(s) of Record Holder(s):
- ------------------------------------------------     ------------------------------------------------
Certificate Nos. (if available):
- ------------------------------------------------     ------------------------------------------------
                                                                       PLEASE PRINT
Check ONE box if Shares will be tendered by
book-entry transfer:                                 Address(es):
[ ] The Depository Trust Company
                                                     ------------------------------------------------
[ ] Philadelphia Depository Trust Company                                ZIP CODE
                                                     Area Code and Tel. No.:
Account Number:
                                                     ------------------------------------------------
Dated: , 1996
</TABLE>
 
                                   GUARANTEE
                   (NOT TO BE USED FOR SIGNATURE GUARANTEES)
 
     The undersigned, a member firm of a registered national securities
exchange, a member of the National Association of Securities Dealers, Inc. or a
commercial bank or trust company having an office or correspondent in the United
States, hereby (a) represents that the tender of Shares effected hereby complies
with Rule 14e-4 of the Securities Exchange Act of 1934, as amended, and (b)
guarantees delivery to the Depositary, at one of its addresses set forth above,
of certificates evidencing the Shares tendered hereby in proper form for
transfer, or confirmation of book-entry transfer of such Shares into the
Depositary's accounts at The Depository Trust Company or the Philadelphia
Depository Trust Company, in each case with delivery of a properly completed and
duly executed Letter of Transmittal (or facsimile thereof) with any required
signature guarantees, or an Agent's Message (as defined in "Acceptance for
Payment and Payment for Shares" of the Offer to Purchase), and any other
documents required by the Letter of Transmittal, (a) in the case of Shares,
within three New York Stock Exchange, Inc. trading days after the date of
execution of this Notice of Guaranteed Delivery, or (b) in the case of Rights, a
period ending the latter of (i) three New York Stock Exchange, Inc. trading days
after the date of execution of this Notice of Guaranteed Delivery or (ii) three
business days after the date Right Certificates are distributed to stockholders.
 
     The Eligible Institution that completes this form must communicate the
guarantee to the Depositary and must deliver the Letter of Transmittal and
certificates for Shares to the Depositary within the time period shown herein.
Failure to do so could result in financial loss to such Eligible Institution.
 
<TABLE>
<S>                                                  <C>
- ------------------------------------------------     ------------------------------------------------
                  NAME OF FIRM                                     AUTHORIZED SIGNATURE
- ------------------------------------------------     ------------------------------------------------
                   ADDRESS                                                TITLE
                                                     Name:
- ------------------------------------------------
                    ZIP CODE                                           PLEASE PRINT
Area Code and Tel. No.:                                                                  Date: , 1996
</TABLE>
 
          NOTE: DO NOT SEND CERTIFICATES FOR SHARES WITH THIS NOTICE.
       SHARE CERTIFICATES SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL.

<PAGE>   1
 
Wasserstein logo                         Wasserstein, Perella & Co., Inc.
                                         31 West 52nd Street
                                         New York, New York 10019
                                         Tel: (212) 969-2700
 
                            GREEN ACQUISITION CORP.
                          a wholly owned subsidiary of
                                CSX CORPORATION
                         HAS INCREASED THE PRICE OF ITS
                           OFFER TO PURCHASE FOR CASH
 
                       AN AGGREGATE OF 17,860,124 SHARES
                                       OF
 
       COMMON STOCK AND SERIES A ESOP CONVERTIBLE JUNIOR PREFERRED STOCK
     (including, in each case, the associated Common Stock Purchase Rights)
                                       OF
                                  CONRAIL INC.
                                       TO
 
                               $110 NET PER SHARE
 
THE OFFER HAS BEEN EXTENDED. THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS
WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON WEDNESDAY, NOVEMBER 20,
1996, UNLESS THE OFFER IS FURTHER EXTENDED.
 
                                                                November 6, 1996
 
To Brokers, Dealers, Commercial Banks,
Trust Companies and Other Nominees:
 
     We have been appointed by Green Acquisition Corp., a Pennsylvania
corporation ("Purchaser") and a wholly owned subsidiary of CSX Corporation, a
Virginia corporation ("Parent"), to act as Dealer Manager in connection with the
Purchaser's offer to purchase an aggregate of 17,860,124 shares of (i) common
stock, par value $1.00 per share (the "Common Shares"), and (ii) Series A ESOP
Convertible Junior Preferred Stock, without par value (the "ESOP Preferred
Shares" and, together with the Common Shares, the "Shares"), of Conrail Inc., a
Pennsylvania corporation (the "Company"), including in each case, the associated
Common Stock Purchase Rights (the "Rights") issued pursuant to the Rights
Agreement, dated July 19, 1989, by and between the Company and First Chicago
Trust Company of New York, as Rights Agent (as amended, the "Rights Agreement")
at a price of $110 per Share, net to the seller in cash, upon the terms and
subject to the conditions set forth in the Offer to Purchase, dated October 16,
1996 (the "Offer to Purchase"), as amended and supplemented by the Supplement
thereto, dated November 6, 1996 (the "Supplement"), and the related Letters of
Transmittal (which, as amended from time to time, together constitute the
"Offer") enclosed herewith. All references herein to the Common Shares, ESOP
Preferred Shares or Shares shall include the associated Rights.
 
     THE OFFER IS CONDITIONED UPON, AMONG OTHER THINGS, (1) THE RECEIPT BY
PURCHASER, PRIOR TO THE EXPIRATION OF THE OFFER, OF AN INFORMAL WRITTEN OPINION
IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO PURCHASER FROM THE STAFF OF THE
SURFACE TRANSPORTATION BOARD (THE "STB"), WITHOUT THE IMPOSITION OF ANY
CONDITIONS UNACCEPTABLE TO PURCHASER, THAT THE USE OF A VOTING TRUST (THE
"VOTING TRUST") IN SUBSTANTIALLY THE FORM CONTEMPLATED BY THE MERGER AGREEMENT
IS CONSISTENT WITH THE POLICIES OF THE STB AGAINST UNAUTHORIZED ACQUISITIONS OF
CONTROL OF A REGULATED CARRIER (SUCH CONDITION, THE "VOTING TRUST CONDITION"),
(2) THE RECEIPT BY PURCHASER, PRIOR TO THE EXPIRATION OF THE OFFER, OF AN
INFORMAL STATEMENT FROM THE PREMERGER NOTIFICATION OFFICE OF THE FEDERAL TRADE
COMMISSION THAT THE TRANSACTIONS CONTEMPLATED BY THE OFFER, THE MERGER AGREEMENT
AND THE COMPANY STOCK OPTION AGREEMENT (AS DEFINED IN THE OFFER TO PURCHASE) ARE
NOT SUBJECT TO, OR ARE EXEMPT FROM, THE HART-SCOTT-RODINO ANTITRUST IMPROVEMENTS
ACT OF 1976, AS AMENDED (THE "HSR ACT"), OR IN THE ABSENCE OF THE RECEIPT OF
SUCH INFORMAL STATEMENT, ANY APPLICABLE WAITING PERIOD UNDER THE HSR ACT SHALL
HAVE EXPIRED OR BEEN TERMINATED, (3) PARENT AND PURCHASER OBTAINING, PRIOR TO
THE EXPIRATION OF THE OFFER, SUFFICIENT FINANCING, ON TERMS REASONABLY
ACCEPTABLE TO PARENT, TO ENABLE CONSUMMATION OF THE OFFER AND THE MERGER AND (4)
THERE BEING AT LEAST 17,860,124 SHARES VALIDLY TENDERED AND NOT WITHDRAWN PRIOR
TO THE EXPIRATION OF THE OFFER.
<PAGE>   2
 
     For your information and for forwarding to your clients for whom you hold
Shares registered in your name or in the name of your nominee, or who hold
Shares registered in their own names, we are enclosing the following documents:
 
     1. The Supplement, dated November 6, 1996;
 
     2. The (blue) Letter of Transmittal to be used by holders of Shares in
accepting the Offer and tendering Shares;
 
     3. The (gray) Notice of Guaranteed Delivery to be used to accept the Offer
if the certificates evidencing such Shares (the "Share Certificates") are not
immediately available or time will not permit all required documents to reach
IBJ Schroder Bank & Trust Company (the "Depositary") prior to the Expiration
Date (as defined in the Supplement) or the procedure for book-entry transfer
cannot be completed on a timely basis;
 
     4. A letter to shareholders of the Company from David M. LeVan, Chairman,
President and Chief Executive Officer, together with an amended
Solicitation/Recommendation Statement on Schedule 14D-9 filed with the
Securities and Exchange Commission by the Company;
 
     5. A letter which may be sent to your clients for whose accounts you hold
Shares registered in your name or in the name of your nominees, with space
provided for obtaining such clients' instructions with regard to the Offer;
 
     6. Guidelines of the Internal Revenue Service for Certification of Taxpayer
Identification Number on Substitute Form W-9; and
 
     7. Return envelope addressed to the Depositary.
 
     Upon the terms and subject to the conditions of the Offer (including, if
the Offer is extended or amended, the terms and conditions of any such extension
or amendment), Purchaser will purchase, by accepting for payment, and will pay
for, an aggregate of 17,860,124 Shares validly tendered prior to the Expiration
Date promptly after the later to occur of (i) the Expiration Date and (ii) the
satisfaction or waiver of the conditions set forth in "Conditions of the Offer"
of the Offer to Purchase. For purposes of the Offer, Purchaser will be deemed to
have accepted for payment, and thereby purchased, tendered Shares if, as and
when Purchaser gives oral or written notice to the Depositary of Purchaser's
acceptance of such Shares for payment. In all cases, payment for Shares
purchased pursuant to the Offer will be made only after timely receipt by the
Depositary of (i) the Share Certificates or timely confirmation of a book-entry
transfer of such Shares, if such procedure is available, into the Depositary's
account at The Depository Trust Company or the Philadelphia Depository Trust
Company pursuant to the procedures set forth in "Procedures for Tendering
Shares" of the Offer to Purchase, (ii) the Letter of Transmittal (or facsimile
thereof), properly completed and duly executed, or an Agent's Message (as
defined in "Acceptance for Payment and Payment for Shares" of the Offer to
Purchase) and (iii) any other documents required by the Letter of Transmittal.
 
     Purchaser will not pay any fees or commissions to any broker or dealer or
any other person (other than the Dealer Manager and the Information Agent as
described in "Fees and Expenses" of the Offer to Purchase) in connection with
the solicitation of tenders of Shares pursuant to the Offer. Purchaser will,
however, upon request, reimburse you for customary mailing and handling expenses
incurred by you in forwarding the enclosed materials to your clients.
 
     Purchaser will pay any stock transfer taxes incident to the transfer to it
of validly tendered Shares, except as otherwise provided in Instruction 6 of the
Letter of Transmittal.
 
     YOUR PROMPT ACTION IS REQUESTED. WE URGE YOU TO CONTACT YOUR CLIENTS AS
PROMPTLY AS POSSIBLE. THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL
EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON WEDNESDAY, NOVEMBER 20, 1996,
UNLESS THE OFFER IS FURTHER EXTENDED.
 
     In order to take advantage of the Offer, a duly executed and properly
completed Letter of Transmittal (or facsimile thereof), with any required
signature guarantees and any other required documents, should be sent to the
Depositary, and certificates evidencing the tendered Shares should be delivered
or such Shares should be tendered by book-entry transfer, all in accordance with
the Instructions set forth in the Letter of Transmittal and the Offer to
Purchase.
 
     If holders of Shares wish to tender Shares, but it is impracticable for
them to forward their certificates or other required documents prior to the
Expiration Date, a tender may be effected by following the guaranteed delivery
procedures specified under "Procedures for Tendering Shares" of the Offer to
Purchase.
 
     Any inquiries you may have with respect to the Offer should be addressed to
the Dealer Manager or the Information Agent at their respective addresses and
telephone numbers set forth on the back cover page of the Offer to Purchase.
 
     Additional copies of the enclosed materials may be obtained from the
undersigned, at Wasserstein Perella & Co., Inc., telephone (212) 969-2700
(Collect) or by calling the Information Agent, MacKenzie Partners, Inc.,
telephone 1-800-322-2885 (Toll Free), or from brokers, dealers, commercial banks
or trust companies.
 
                                         Very truly yours,
 
                                         Wasserstein Perella & Co., Inc.
<PAGE>   3
 
     NOTHING CONTAINED HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU
OR ANY OTHER PERSON AS AN AGENT OF PARENT, PURCHASER, THE DEPOSITARY, THE
INFORMATION AGENT OR THE DEALER MANAGER, OR ANY AFFILIATE OF ANY OF THE
FOREGOING, OR AUTHORIZE YOU OR ANY OTHER PERSON TO USE ANY DOCUMENT OR MAKE ANY
STATEMENT ON BEHALF OF ANY OF THEM IN CONNECTION WITH THE OFFER OTHER THAN THE
DOCUMENTS ENCLOSED AND THE STATEMENTS CONTAINED THEREIN.

<PAGE>   1
 
                            GREEN ACQUISITION CORP.
                          a wholly owned subsidiary of
                                CSX CORPORATION
                         HAS INCREASED THE PRICE OF ITS
                           OFFER TO PURCHASE FOR CASH
 
                       AN AGGREGATE OF 17,860,124 SHARES
                                       OF
       COMMON STOCK AND SERIES A ESOP CONVERTIBLE JUNIOR PREFERRED STOCK
     (including, in each case, the associated Common Stock Purchase Rights)
                                       OF
                                  CONRAIL INC.
                                       TO
 
                               $110 NET PER SHARE
 
THE OFFER HAS BEEN EXTENDED. THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS
WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, ON WEDNESDAY, NOVEMBER 20,
1996 UNLESS THE OFFER IS FURTHER EXTENDED.
 
                                                                November 6, 1996
 
To Our Clients:
 
     Enclosed for your consideration is a Supplement, dated November 6, 1996
(the "Supplement"), to the Offer to Purchase, dated October 16, 1996 (the "Offer
to Purchase"), and the related Letter of Transmittal (which, as amended from
time to time, together constitute the "Offer") in connection with the Offer by
Green Acquisition Corp., a Pennsylvania corporation ("Purchaser") and a wholly
owned subsidiary of CSX Corporation, a Virginia corporation ("Parent"), to
purchase an aggregate of 17,860,124 shares of (i) common stock, par value $1.00
per share (the "Common Shares"), and (ii) Series A ESOP Convertible Junior
Preferred Stock, without par value (the "ESOP Preferred Shares" and, together
with the Common Shares, the "Shares"), of Conrail Inc., a Pennsylvania
corporation (the "Company"), including, in each case, the associated Common
Stock Purchase Rights (the "Rights") issued pursuant to the Rights Agreement,
dated as of July 19, 1989, between the Company and First Chicago Trust Company
of New York, as Rights Agent (as amended, the "Rights Agreement") at a price of
$110 per Share, net to the seller in cash, upon the terms and subject to the
conditions set forth in the Offer. All references herein to the Common Shares,
ESOP Preferred Shares, or Shares shall include the associated Rights.
 
     Shareholders whose certificates evidencing Shares ("Share Certificates")
are not immediately available or who cannot deliver their Share Certificates and
all other documents required by the Letter of Transmittal to the Depositary
prior to the Expiration Date (as defined in "Terms of the Offer; Proration;
Expiration Date" of the Offer to Purchase) or who cannot complete the procedure
for delivery by book-entry transfer to the Depositary's account at a Book-Entry
Transfer Facility (as defined in "Acceptance for Payment and Payment for Common
Shares" of the Offer to Purchase) on a timely basis and who wish to tender their
Shares must do so pursuant to the guaranteed delivery procedure described in
"Procedures for Tendering Shares" of the Offer to Purchase. See Instruction 2 of
the Letter of Transmittal. Delivery of documents to a Book-Entry Transfer
Facility in accordance with the Book-Entry Transfer Facility's procedures does
not constitute delivery to the Depositary.
 
     THE MATERIAL IS BEING SENT TO YOU AS THE BENEFICIAL OWNER OF SHARES HELD BY
US FOR YOUR ACCOUNT BUT NOT REGISTERED IN YOUR NAME. WE ARE THE HOLDER OF RECORD
OF SHARES HELD BY US FOR YOUR ACCOUNT. A TENDER OF SUCH SHARES CAN BE MADE ONLY
BY US AS THE HOLDER OF RECORD AND PURSUANT TO YOUR INSTRUCTIONS. THE LETTER OF
TRANSMITTAL IS FURNISHED TO YOU FOR YOUR INFORMATION ONLY AND CANNOT BE USED BY
YOU TO TENDER SHARES HELD BY US FOR YOUR ACCOUNT.
 
     We request instructions as to whether you wish to have us tender on your
behalf any or all of the Shares held by us for your account, upon the terms and
subject to the conditions set forth in the Offer.
 
     Your attention is invited to the following:
 
          1. The tender price is $110 per Share, net to the seller in cash.
 
          2. The Offer, proration period and withdrawal rights will expire at
     12:00 Midnight, New York City time, on Wednesday, November 20, 1996, unless
     the Offer is further extended.
 
          3. The Offer is being made for an aggregate of 17,860,124 Shares.
<PAGE>   2
 
          4. The Board of Directors of the Company has unanimously approved the
     Offer and the Merger (as defined in the Offer to Purchase), has determined
     that the Merger Agreement and the transactions contemplated thereby
     (including the Offer and the Merger) are in the best interests of the
     Company and recommends that shareholders of the Company who desire to
     receive cash for their Shares accept the Offer and tender their Shares
     pursuant to the Offer.
 
          5. The Offer is conditioned upon, among other things, (a) the receipt
     by Purchaser, prior to the expiration of the Offer, of an informal written
     opinion in form and substance reasonably satisfactory to Purchaser from the
     staff of the Surface Transportation Board (the "STB"), without the
     imposition of any conditions unacceptable to Purchaser, that the use of a
     voting trust in substantially the form contemplated by the Merger Agreement
     is consistent with the policies of the STB against unauthorized
     acquisitions of control of a regulated carrier, (b) the receipt by
     Purchaser, prior to the expiration of the Offer, of an informal statement
     from the Premerger Notification Office of the Federal Trade Commission that
     the transactions contemplated by the Offer, the Merger Agreement and the
     Company Stock Option Agreement (as such terms are defined in the Offer to
     Purchase) are not subject to, or are exempt from, the Hart-Scott-Rodino
     Antitrust Improvements Act of 1976, as amended (the "HSR Act"), or, in the
     absence of the receipt of such informal statement, any applicable waiting
     period under the HSR Act shall have expired or been terminated, (c) Parent
     and Purchaser obtaining, prior to the expiration of the Offer, sufficient
     financing, on terms reasonably acceptable to Parent, to enable consummation
     of the Offer and the Merger and (d) there being at least 17,860,124 Shares
     validly tendered and not properly withdrawn prior to the expiration of the
     Offer.
 
          6. Tendering shareholders will not be obligated to pay brokerage fees
     or commissions or, except as set forth in Instruction 6 of the Letter of
     Transmittal, stock transfer taxes on the purchase of Shares by Purchaser
     pursuant to the Offer.
 
     The Offer is made solely by the Offer to Purchase, the Supplement and the
related Letters of Transmittal and is being made to all holders of Shares.
Purchaser is not aware of any state where the making of the Offer is prohibited
by administrative or judicial action pursuant to any valid state statute. If
Purchaser becomes aware of any valid state statute prohibiting the making of the
Offer or the acceptance of Shares pursuant thereto, Purchaser will make a good
faith effort to comply with such state statute. If, after such good faith
effort, Purchaser cannot comply with such state statute, the Offer will not be
made to (nor will tenders be accepted from or on behalf of) the holders of
Shares in such state. In any jurisdiction where the securities, blue sky or
other laws require the Offer to be made by a licensed broker or dealer, the
Offer shall be deemed to be made on behalf of Purchaser by the Dealer Manager or
one or more registered brokers or dealers licensed under the laws of such
jurisdiction.
 
     If you wish to have us tender any or all of your Shares, please so instruct
us by completing, executing and returning to us the instruction form contained
in this letter. An envelope in which to return your instructions to us is
enclosed. If you authorize the tender of your Shares, all such Shares will be
tendered unless otherwise specified on the instruction form set forth in this
letter. YOUR INSTRUCTIONS SHOULD BE FORWARDED TO US IN AMPLE TIME TO PERMIT US
TO SUBMIT A TENDER ON YOUR BEHALF PRIOR TO THE EXPIRATION OF THE OFFER.
<PAGE>   3
 
                                  INSTRUCTIONS
                 WITH RESPECT TO THE OFFER TO PURCHASE FOR CASH
                      AN AGGREGATE OF 17,860,124 SHARES OF
       COMMON STOCK AND SERIES A ESOP CONVERTIBLE JUNIOR PREFERRED STOCK
                                OF CONRAIL INC.
 
     The undersigned acknowledge(s) receipt of your letter and the enclosed
Supplement, dated November 6, 1996, to the Offer to Purchase, dated October 16,
1996, and the related (blue) Letter of Transmittal (which, as amended from time
to time, together constitute the "Offer"), in connection with the offer by Green
Acquisition Corp., a Pennsylvania corporation ("Purchaser") and a wholly owned
subsidiary of CSX Corporation, a Virginia corporation ("Parent"), to purchase an
aggregate of 17,860,124 shares of (i) common stock, par value $1.00 per share
(the "Common Shares"), and (ii) Series A ESOP Convertible Junior Preferred
Stock, without par value (the "ESOP Preferred Shares" and, together with the
Common Shares, the "Shares"), of Conrail Inc., a Pennsylvania corporation (the
"Company") including, in each case, the associated Common Stock Purchase Rights
(the "Rights") issued pursuant to the Rights Agreement, dated July 19, 1989,
between the Company and First Chicago Trust Company of New York, as Rights Agent
(as the "Rights Agreement"). All references herein to the Common Shares, ESOP
Preferred Shares or Shares shall include the associated Rights.
 
     This will instruct you to tender to Purchaser the number of Shares
indicated below (or, if no number is indicated in either appropriate space
below, all Shares) held by you for the account of the undersigned, upon the
terms and subject to the conditions set forth in the Offer.
 
<TABLE>
<S>                                                  <C>
Number of Shares to be Tendered*:                                       SIGN HERE
 Shares
Account Number:                                                        SIGNATURE(S)
Dated:  , 1996                                              PLEASE TYPE OR PRINT NAME(S) HERE
                                                          PLEASE TYPE OR PRINT ADDRESS(ES) HERE
                                                              AREA CODE AND TELEPHONE NUMBER
                                                        TAXPAYER IDENTIFICATION OR SOCIAL SECURITY
                                                                        NUMBER(S)
</TABLE>
 
- ---------------
 
* Unless otherwise indicated, it will be assumed that all Shares held by us for
  your account are to be tendered.

<PAGE>   1
 
             [LOGO OF CSX]                         [LOGO OF CONRAIL]
 
CONTACTS:
 
<TABLE>
<S>                                <C>
CSX CORPORATION                    CONRAIL INC.
THOMAS E. HOPPIN                   CRAIG R. MACQUEEN
(804) 782-1450                     (215) 209-4594
KEKST AND COMPANY                  ABERNATHY MACGREGOR GROUP
RICHARD WOLFF                      JOELE FRANK/DAN KATCHER
(212) 593-2655                     (212) 371-5999
</TABLE>
 
FOR IMMEDIATE RELEASE
 
                     CSX AND CONRAIL AMEND MERGER AGREEMENT
 
CSX RAISES CASH PORTION OF ITS AGREEMENT WITH CONRAIL TO $110 PER CONRAIL SHARE
 
              CONRAIL BOARD UNANIMOUSLY APPROVES CSX AMENDED OFFER
 
           CONRAIL BOARD UNANIMOUSLY REJECTS NORFOLK SOUTHERN'S OFFER
 
Richmond, Va., and Philadelphia, Pa., Nov. 6, 1996--CSX Corporation [NYSE: CSX]
and Conrail Inc. [NYSE: CRR] today announced that they have amended the terms of
their merger agreement. Under the revised terms, CSX has raised the cash portion
of its offer to $110 per Conrail share.
 
Conrail also announced that its board of directors carefully considered the
relative merits of a merger with Norfolk Southern rather than with CSX, and
unanimously reaffirmed that a merger with CSX is in Conrail's best interest and
is the superior strategic combination for Conrail. The Conrail board determined
that a transaction with Norfolk Southern is not in the best interest of Conrail
and its constituencies.
 
David M. LeVan, chairman, president and chief executive officer of Conrail,
said, "Our two companies have now agreed to significantly increase the value to
be received by the Conrail shareholders, and Conrail's other constituencies will
continue to get tremendous benefits resulting from the CSX merger.
 
"On Oct. 14, 1996, the Conrail board unanimously approved a merger of equals
with CSX to create one of the world's leading transportation and logistics
companies," Mr. LeVan continued. "That transaction provided value to our
shareholders at the high-end of what has been paid in other railroad mergers,
and it clearly was and is in the best interests of Conrail and its
constituencies. Before approving that merger, we carefully considered the
relative merits of a merger with Norfolk Southern rather than with CSX, and
we unanimously determined that a merger with CSX was in Conrail's best interest
and was the superior
<PAGE>   2
 
strategic combination for Conrail. In making that decision we were fully aware
that Norfolk Southern had expressed an interest in acquiring Conrail. We have
now reaffirmed that decision."
 
John W. Snow, CSX chairman, president and chief executive officer, said, "Our
decision to increase the cash portion of the offer not only reflects CSX's
commitment to completing the transaction, but also accounts for the increased
value we have determined will be realized through the merger. Further analysis
by our management team, working with its counterpart at Conrail, has identified
at least $730 million in synergies and cost savings, $180 million more than
originally anticipated.
 
"Following the combination of our two companies, we expect immediate net traffic
benefits of about $165 million and cost savings totaling approximately $565
million," continued Mr. Snow. "Importantly, we will realize these benefits
rapidly by working closely together. This is especially significant since
Conrail shareholders who receive CSX shares as consideration for their shares,
will benefit from what we expect will be a substantial increase in the value of
those shares.
 
"Furthermore, it is apparent that the merger between CSX and Conrail will
produce signification public policy benefits. The service and pricing advantages
we will offer shippers will reduce truck traffic along the now congested
interstate corridors throughout the region. We also will be able to provide a
safer, more reliable operating environment for passenger services. Only the
CSX/Conrail combination offers so many significant benefits to customers and the
greater public," Mr. Snow added.
 
"The hostile Norfolk Southern bid is burdened with a series of significant
conditions. Given all the obstacles in the path of Norfolk Southern's bid,
Conrail shareholders would have to wait a prolonged amount of time to receive
payment for their shares. Meanwhile, the CSX/Conrail combination offers an
immediate opportunity to move forward together creating real, substantive value
for both Conrail and CSX shareholders.
 
"The merger of CSX and Conrail is driven by a compelling logic. Together, CSX
and Conrail will create the leading global freight transportation and logistics
management company and provide dramatically improved rail service to our
customers east of the Mississippi. Shippers and receivers throughout the region
will benefit from significantly enhanced competition, much better service and
more competitive pricing. Our combined railroad will grow significantly and
operate with maximum efficiency," Mr. Snow said.
 
"Clearly, the combination of CSX and Conrail provides the best overall package
of benefits to our constituencies, including customers, the communities we
serve, and the public-at-large. We welcome the strong support of the Conrail
board of directors and look forward to a bright future as our new company moves
full speed into the 21st Century," concluded Mr. Snow.
 
The significant amendments to the CSX/Conrail merger agreement include:
 
- - The increase of the cash portion of the transaction to $110 per Conrail share.
  The structure of the proposed merger will remain the same: 40 percent of the
  fully diluted shares of Conrail's common stock and ESOP preferred stock will
  be acquired at the new price and the remaining 60 percent will be exchanged
  for CSX stock at the originally agreed-upon exchange ratio of 1.85619 CSX
  shares for each Conrail share;
 
- - An extension by three months of the period of time during which the Conrail
  board of directors cannot withdraw its support of the merger agreement or
  agree to any competing transaction. As now extended, such provisions will run
  until July 12, 1997; and
 
- - Neither party will engage in discussions or enter into any agreement with
  other railroad companies (including Norfolk Southern) relating to trackage
  rights or other concessions without the participation and agreement of the
  other party.
 
Additionally, the Conrail Shareholders Meeting scheduled for Nov. 14 has been
canceled. The record date for a new shareholders meeting has been set at Dec. 5,
1996, and the shareholder meeting is
<PAGE>   3
 
expected to be held in mid-December.
 
CSX's tender offer of $110 per Conrail share is for an aggregate of about 17.9
million shares of Conrail common stock and ESOP preferred stock, or
approximately 19.9 percent of the Conrail outstanding voting stock. The offer is
subject to certain customary conditions.
 
Under the terms of the CSX offer, as amended, the tender offer's expiration date
and withdrawal and proration rights are extended until Midnight EST, Nov. 20,
1996. As of the close of business on Nov. 5, 1996, 56,634 Conrail shares had
been tendered pursuant to the CSX offer.
 
CSX Corporation, headquartered in Richmond, Va., is an international
transportation company offering a variety of rail, container-shipping,
intermodal, trucking, barge and contract logistics management services.
 
Conrail, with corporate headquarters in Philadelphia, Pa., operates an
11,000-mile rail freight network in 12 northeastern and midwestern states, the
District of Columbia, and the Province of Quebec.
 
Attached is a fact sheet on the CSX/Conrail merger of equals, and additional
information regarding this announcement can be found on the companies' Web sites
on the Internet. CSX's home page can be reached at http://www.CSX.com. Conrail's
home page can be reached at http://www.CONRAIL.com.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                 FAST FACTS REGARDING THE CSX - CONRAIL MERGER
 
    - The proposed CSX/CRR merger of equals will create a powerful strategic
      alliance, the leading transportation company in the world with more than
      $14 billion in revenue and operations serving more than 80 countries
      around the globe.
 
    - In addition to the railroad, the new company will include the nation's
      largest container-shipping (Sea-Land Services) and barging (American
      Commercial Barge Line) companies, its only full-service, coast-to-coast
      intermodal company (CSX Intermodal) and one of the foremost contract
      logistics management companies (Customized Transportation Services) in the
      world.
 
    - For employees and the communities within which they work and live, the
      CSX/CRR merger of equals offers the combination of companies with
      complementary business mixes, common corporation strategies and compatible
      corporate cultures.
 
    - CSX/CRR has agreed to locating the corporate headquarters of the new
      company in Philadelphia; to leaving the operating headquarters of the CSXT
      and Conrail rail companies in Jacksonville and Philadelphia for the
      foreseeable future; to a board comprised of an equal number of directors
      from each company; and to a defined succession plan that insures the
      management and employees, shareholders, customers and communities served
      by both companies will have powerful roles and strong voices in the future
      of the company.
 
    - For shareholders, the CSX/CRR merger of equals offers ownership of an
      international transportation company with the scale and efficiency at home
      and abroad to compete effectively and generate attractive returns well
      into the 21st Century.
 
    - For customers, the CSX/CRR combination provides a 29,000 route mile rail
      system that would span 22 states and offer vastly improved service to
      virtually all major markets east of the Mississippi. Such a system will
      provide the highest quality service to customers as a result of faster,
      more reliable service, shorter routes, an improved cost structure, better
      equipment supply and utilization and more single-line service.
 
    - The proposed CSX/CRR merger of equals allows realization of public policy
      benefits that cannot be accomplished through any other combination.
<PAGE>   4
 
        - More passenger trains will use the combined CSX/CRR rail system than
          any other in the United States. These include not only Amtrak's, but
          also those operated by commuter services in Boston, New York,
          Philadelphia, Baltimore and Washington. Freight and passenger trains
          currently share the same tracks in these areas. Improved coordination,
          scheduling and operation of freight and passenger services will reduce
          delays and improve safety and service for passengers. Similar options
          may exist in other parts of the combined system in the future as
          hard-pressed urban planners increasingly turn to rail transportation
          to relieve highway congestion, save scarce public resources and
          improve air quality.
 
        - The proposed CSX/CRR merger of equals offers improved rail competition
          to Northeast and Midwest markets and an opportunity to improve the
          social and economic benefits of the entire transportation
          infrastructure of the region through increased, more effective
          competition with the trucking industry and through additional
          intermodal cooperation.
 
                  CSX's internet address is http://www.csx.com
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

<PAGE>   1
                                 FIRST AMENDMENT



                                       TO



                          AGREEMENT AND PLAN OF MERGER



                                  BY AND AMONG



                                  CONRAIL INC.,

                           A PENNSYLVANIA CORPORATION,



                            GREEN ACQUISITION CORP.,

                           A PENNSYLVANIA CORPORATION,


                                       AND


                                CSX CORPORATION,

                             A VIRGINIA CORPORATION,





                          DATED AS OF NOVEMBER 5, 1996.

<PAGE>   2
                  FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER, dated as of
November 5, 1996 (this "First Amendment"), by and among CONRAIL INC., a
Pennsylvania corporation ("Green"), GREEN ACQUISITION CORP., a Pennsylvania
corporation and a wholly owned subsidiary of White ("Tender Sub"), and CSX
CORPORATION, a Virginia corporation ("White").


                                   WITNESSETH:

                  WHEREAS, Green, Tender Sub and White have entered into an
Agreement and Plan of Merger, dated as of October 14, 1996 (the "Merger
Agreement"), pursuant to which Tender Sub has commenced a cash tender offer (the
"October 16 Offer") for shares of Green Common Stock and for shares of Green
ESOP Preferred Stock, such offer to be followed by a merger of Green with and
into Tender Sub, with Tender Sub being the surviving corporation;

                  WHEREAS, in consideration of Green's willingness to enter into
this First Amendment, White and Tender Sub are willing to make the amendments to
the Merger Agreement set forth herein;

                  WHEREAS, in consideration of White's and Tender Sub's
willingness to enter into this First Amendment, Green is willing to make the
amendments to the Merger Agreement set forth herein;

                  WHEREAS, the Board of Directors of Green has approved, and
deems it advisable and in the best interests of Green to enter into, this First
Amendment;

                  WHEREAS, the respective Boards of Directors of Tender Sub and
White have approved, and deem it advisable and in the best interests of their
respective shareholders to enter into, this First Amendment; and

                  WHEREAS, except as amended by this First Amendment, it is
intended that the Merger Agreement shall remain in full force and effect;

                  WHEREAS, capitalized terms used herein and not defined herein
shall have the respective meanings given in the Merger Agreement;

                  NOW, THEREFORE, in consideration of the representations,
warranties, covenants and agreements contained in this First Amendment, the
parties, intending to be legally bound, agree as follows:


                                      -1-
<PAGE>   3
                                    ARTICLE I


                  SECTION 1.  The following is hereby added to the end
of Section 1.1 of the Merger Agreement:

                  (e) As promptly as practicable after the public announcement
         of the execution of the First Amendment, dated as of November 5, 1996,
         to this Agreement (the "First Amendment"), Tender Sub shall amend the
         October 16 Offer to change the price offered thereunder to $110.00 per
         share of Green Common Stock and Green ESOP Preferred Stock, net to the
         seller in cash (such price, or such higher price per share as may be
         paid in the Amended Offer, being referred to herein as the "Amended
         Offer Price"), subject to the conditions (the "Exhibit D Conditions")
         set forth in Exhibit D to this Agreement (the October 16 Offer, as so
         revised, the "Amended Offer"). Tender Sub shall, on the terms and
         subject to the prior satisfaction or waiver of the conditions of the
         Amended Offer, accept for payment and pay for shares of Green Common
         Stock and Green ESOP Preferred Stock tendered as soon as practicable
         after the later of the satisfaction of the conditions to the Amended
         Offer and the expiration of the Amended Offer; provided, however, that
         no such payment shall be made until after calculation of proration;
         provided further that immediately upon the acceptance for payment of
         and payment for shares of Green ESOP Preferred Stock pursuant to the
         Amended Offer, such shares shall be automatically converted on a
         one-for-one basis into shares of Green Common Stock in accordance with
         the terms of the Green Articles. The obligations of Tender Sub to make
         the Amended Offer and to accept for payment and to pay for any shares
         of Green Common Stock or Green ESOP Preferred Stock validly tendered
         shall be subject only to the Exhibit D Conditions. The Amended Offer
         shall be made by means of a supplement (the "Supplement") to the offer
         to purchase relating to the October 16 Offer containing the terms set
         forth in the First Amendment and the Exhibit D Conditions. Without the
         written consent of Green, Tender Sub shall not decrease the Amended
         Offer Price, decrease the aggregate number of shares of Green Common
         Stock and Green ESOP Preferred Stock sought, change the form of


                                      -2-
<PAGE>   4
         consideration to be paid pursuant to the Amended Offer, modify any of
         the conditions to the Amended Offer, impose conditions to the Amended
         Offer in addition to the Exhibit D Conditions, except as provided in
         the proviso below, extend the Amended Offer, or amend any other term or
         condition of the Amended Offer in any manner which is adverse to the
         holders of shares of Green Common Stock, it being agreed that a waiver
         by Tender Sub of any condition in its discretion shall not be deemed to
         be adverse to the holders of Green Common Stock; provided, however,
         that Tender Sub shall not waive the condition (the "Minimum Condition")
         set forth in paragraph (c) of the Exhibit D Conditions without the
         consent of Green; and provided further that, if on any scheduled
         expiration date of the Amended Offer (as it may be extended in
         accordance with the terms hereof), all conditions to the Amended Offer
         shall not have been satisfied or waived, the Amended Offer may be
         extended from time to time without the consent of Green for such period
         of time as is reasonably expected to be necessary to satisfy the
         unsatisfied conditions. White and Tender Sub agree that, in the event
         that all conditions to their obligation to purchase shares under the
         Amended Offer at any scheduled expiration date thereof are satisfied
         other than the Minimum Condition, White and Tender Sub shall, from time
         to time, extend the Offer until the earlier of (i) 270 days following
         the date hereof or (ii) such time as such condition is satisfied or
         waived in accordance herewith. In addition, the Amended Offer Price and
         the number of shares of Green Common Stock or Green ESOP Preferred
         Stock sought may be increased and the Amended Offer may be extended to
         the extent required by law in connection with such increase, in each
         case without the consent of Green. It is agreed that the conditions to
         the Amended Offer are for the benefit of White and Tender Sub and may
         be asserted by White or Tender Sub regardless of the circumstances
         giving rise to any such condition (including any action or inaction by
         White or Tender Sub not inconsistent with the terms hereof) or may be
         waived by White or Tender Sub, in whole or in part at any time and from
         time to time, in its sole discretion.

                  (f) White and Tender Sub shall file with the SEC as soon as
         practicable on or after the date the Amended Offer is made, an
         amendment to the Tender Offer Statement on Schedule 14D-1 relating to
         the October 16 Offer with respect to the Amended Offer 


                                      -3-
<PAGE>   5
         (together with all amendments and supplements thereto and including the
         exhibits thereto, the "Amended Schedule 14D-1"), which shall include,
         as exhibits, the Supplement and a form of letter of transmittal and any
         summary advertisement (such Tender Offer Statement on Schedule 14D-1 as
         so amended and such documents, collectively, together with any
         amendments and supplements thereto, the "Amended Offer Documents").
         Each of White and Tender Sub agrees to take all steps necessary to
         cause the Amended Offer Documents to be filed with the SEC and to be
         disseminated to Green's shareholders, in each case as and to the extent
         required by applicable federal securities laws. Each of White and
         Tender Sub, on the one hand, and Green, on the other hand, agrees
         promptly to correct any information provided by it for use in the
         Amended Offer Documents if and to the extent that it shall have become
         false and misleading in any material respect, and White and Tender Sub
         further agree to take all steps necessary to cause the Amended Offer
         Documents as so corrected to be filed with the SEC and to be
         disseminated to Green's shareholders, in each case as and to the extent
         required by applicable federal securities laws. Green and its counsel
         shall be given the opportunity to review the Amended Offer Documents
         before they are filed with the SEC. In addition, White and Tender Sub
         agree to provide Green and its counsel in writing with any comments
         White, Tender Sub or their counsel may receive from time to time from
         the SEC or its staff with respect to the Amended Offer Documents
         promptly after the receipt of such comments. White and Tender Sub shall
         cooperate with Green in responding to any comments received from the
         SEC with respect to the Amended Offer and amending the Amended Offer in
         response to any such comments.

                  SECTION 2. Section 1.1(d) of the Merger Agreement is hereby
deleted and replaced with the following:

                  (d) At any time prior to eleven business days before the then
         scheduled expiration date of the Amended Offer if Subchapter E (Control
         Transactions) of Chapter 25 of the Pennsylvania Law shall be
         inapplicable to Green by such time, White shall at the written request
         of Green amend the Amended Offer to increase the number of shares of
         Green Common Stock and Green ESOP Preferred Stock sought thereunder to
         40% of the outstanding shares of Green Common Stock on a fully diluted
         basis as of the date hereof (excluding for purposes of this Section 
         1.1(d) shares that 

         
         
         
         
         
         
         


                                      -4-
<PAGE>   6
         would be outstanding upon exercise of the Green Stock                 
         Option Agreement). In addition, at any time following seven           
         business days after consummation of the Amended Offer, if White and it
         subsidiaries do not already own at such time 40% or more of the       
         outstanding shares of Green Common Stock on a fully diluted basis as o
         the date hereof (excluding for purposes of this Section 1.1(d) shares 
         that would be outstanding upon exercise of the Green Stock Option     
         Agreement), White may, and at the written request of Green shall,     
         commence an offer (the "Second Offer") to purchase up to that number  
         of shares of Green Common Stock and Green ESOP Preferred Stock which, 
         when added to the aggregate number of shares of Green Common Stock and
         Green ESOP Preferred Stock then beneficially owned by White (other    
         than pursuant to the Green Stock Option Agreement), equals 40% of such
         outstanding shares of Green Common Stock, at a price not less than    
         $110.00 provided that White shall not be required to consummate any   
         such Second Offer until after Subchapter E (Control Transactions) of  
         Chapter 25 of the Pennsylvania Law shall be inapplicable to Green.    
         Green agrees that it shall not make such written request at any time  
         that the Offer is outstanding and has a scheduled expiration date     
         within 10 business days of such time. White and Green agree that if   
         the Second Offer is commenced they will file such documents and make  
         such recommendations and take such other action as is required by this
         Agreement in respect of the Amended Offer, and the Second Offer shall 
         be on terms (other than price) no less favorable to the shareholders  
         of Green than the Amended Offer.                                       

                  SECTION 3. The number "$92.50" in Section 2.2 and Section 2.5
of the Merger Agreement is hereby deleted and replaced with the number
"$110.00".

                  SECTION 4. The following is hereby added to the end of Section
1.2 of the Merger Agreement:

                  (e) Green hereby approves of and consents to the Amended Offer
         and represents that its Board of Directors, at a meeting duly called
         and held, has unanimously by the vote of all directors present (i)
         determined that this Agreement, as amended by the First Amendment, and
         the transactions contemplated hereby (including the Amended Offer and
         the Merger) are in the best interests of Green, (ii) approved this
         Agreement, as amended by the First Amendment, and the transactions
         contemplated hereby (including the Amended Offer and the Merger), such
         determination and approval constituting approval thereof by the Board


                                      -5-
<PAGE>   7
         of Directors for all purposes of the Pennsylvania Law, and (iii)
         resolved to recommend that the shareholders of Green who desire to
         receive cash for their shares of Green Common Stock or Green ESOP
         Preferred Stock accept the Amended Offer and tender their shares of
         Green Common Stock or Green ESOP Preferred Stock thereunder to Tender
         Sub and that all shareholders of Green approve and adopt this
         Agreement, as amended by the First Amendment, and the transactions
         contemplated hereby; provided, however, that prior to the purchase by
         Tender Sub of shares of Green Common Stock and Green ESOP Preferred
         Stock pursuant to the Offer, Green may modify, withdraw or change such
         recommendation, but only to the extent that Green complies with Section
         4.2 hereof. Green hereby consents to the inclusion in the Amended Offer
         Documents of the recommendations of Green's Board of Directors
         described in this Section.

                  (f) Concurrently with the making of the Amended Offer, Green
         shall file with the SEC an amendment to the Solicitation/Recommendation
         Statement on Schedule 14D-9 relating to the October 16 Offer with
         respect to the Amended Offer (such Solicitation/Recommendation
         Statement on Schedule 14D-9 as so amended, together with all amendments
         and supplements thereto and including the exhibits thereto, the
         "Amended Schedule 14D-9"), which amendment shall contain the
         recommendation referred to in clauses (i), (ii) and (iii) of Section 
         1.2(e) hereof; provided, however, that Green may modify, withdraw or
         change such recommendation, but only to the extent that Green complies
         with Section 4.2 hereof. Green agrees to take all steps necessary to
         cause the Amended Schedule 14D-9 to be filed with the SEC and to be
         disseminated to Green's shareholders, in each case as and to the extent
         required by applicable federal securities laws. Each of Green, on the
         one hand, and White and Tender Sub, on the other hand, agrees promptly
         to correct any information provided by it for use in the Amended
         Schedule 14D-9 if and to the extent that it shall have become false and
         misleading in any material respect, and Green further agrees to take
         all steps necessary to cause the Amended Schedule 14D-9 as so corrected
         to be filed with the SEC and to be disseminated to Green's
         shareholders, in each case as and to the extent required by applicable
         federal securities laws. White and its counsel shall be given the
         opportunity to review the Amended Schedule 14D-9 before it is filed
         with the SEC. In addition, 


                                      -6-
<PAGE>   8
         Green agrees to provide White, Tender Sub and their counsel in writing
         with any comments Green or its counsel may receive from time to time
         from the SEC or its staff with respect to the Amended Schedule 14D-9
         promptly after the receipt of such comments. Green shall cooperate with
         White and Tender Sub in responding to any comments received from the
         SEC with respect to the Amended Schedule 14D-9 and amending the Amended
         Schedule 14D-9 in response to any such comments.

                  (g) Green has received the written opinions of each of the
         Green Advisors, each dated as of the date of the First Amendment, to
         the effect that, as of such date, the consideration to be received by
         Green shareholders (other than Tender Sub and its affiliates) pursuant
         to the Amended Offer and Merger, taken together, is fair from a
         financial point of view to such holders (the "Second Green Fairness
         Opinions"). Green has delivered to Tender Sub a copy of the Second
         Green Fairness Opinions.

                  SECTION 5. The term "Offer" as used in the Merger Agreement
shall be deemed to include the Amended Offer; the term "Offer Price" as used in
the Merger Agreement shall be deemed to include the Amended Offer Price; the
term "Merger Agreement" or "this Agreement" as used in the Merger Agreement
shall be deemed to refer to the Merger Agreement as amended by the First
Amendment (provided that the terms "date hereof" or "date of this Agreement" as
used in the Merger Agreement shall mean October 14, 1996); the term "Schedule
14D-1" as used in the Merger Agreement shall be deemed to include the Amended
Schedule 14D-1; the term "Offer Documents" as used in the Merger Agreement shall
be deemed to include the Amended Offer Documents; the term "Schedule 14D-9" as
used in the Merger Agreement shall be deemed to include the Amended Schedule
14D-9; and the term "Green Fairness Opinions" as used in the Merger Agreement
shall be deemed to include the Second Green Fairness Opinions.

                  SECTION 6. The following is hereby added to the end of Article
IV of the Merger Agreement:

                  SECTION 4.3. No Third Party Discussions, etc. Without limiting
         the provisions of Section 4.1, during the term of this Agreement,
         neither Green nor White shall, nor shall it permit any of its
         subsidiaries to, nor shall it authorize or permit any of its officers,
         directors or employees or any investment banker, financial advisor,
         attorney, accountant 


                                      -7-
<PAGE>   9
         or other representative retained by it or any of its subsidiaries to,
         directly or indirectly through another person, participate in any
         conversations, discussions or negotiations, or enter into any
         agreement, arrangement or understanding, with any other company engaged
         in the operation of railroads (including Norfolk Southern Corporation)
         with respect to the acquisition by any such other company (including
         Norfolk Southern Corporation) of any securities or assets of Green and
         its subsidiaries or White and its subsidiaries, or any trackage rights
         or other concessions relating to the assets or operations of Green and
         its subsidiaries or White and its subsidiaries, other than with respect
         to sales, leases, licenses, mortgages or other disposals (a) by White
         of any of the assets or properties of White or its subsidiaries (but
         not Green and its subsidiaries) or (b) by Green of any of the assets or
         properties of Green or its subsidiaries (but not White and its
         subsidiaries), in either case to the extent permitted by Section 
         4.1(a)(iv). Notwithstanding the foregoing, however, Green and White
         shall be permitted to engage in conversations, discussions and
         negotiations with other companies engaged in the operation of railroads
         (including Norfolk Southern Corporation) to the extent reasonably
         necessary or reasonably advisable in connection with obtaining
         regulatory approval of the transactions contemplated by this Agreement
         in accordance with the terms set forth in this Agreement, and in each
         case so long as (i) representatives of Green and White are both present
         at any such conversation, discussion or negotiation, (ii) the general
         subject matter of any such conversation, discussion or negotiation
         shall have been agreed to in advance by Green and White and (iii)
         Green, White and such other company shall have previously agreed to
         appropriate confidentiality arrangements, on terms reasonably
         acceptable to Green and White (which terms shall in any event permit
         disclosure to the extent required by law), relating to the existence
         and subject matter of any such conversation, discussion or negotiation.
         This Section 4.3 shall terminate and be of no further force and effect
         immediately upon any exercise by Green or White of its rights under the
         proviso to Section 4.2(a); provided that such party exercising such
         rights has given the other party prior notice thereof.


                                      -8-
<PAGE>   10
                  SECTION 7. The number "180" in Section 4.2(a) and Section 
4.2(b) of the Merger Agreement is hereby deleted and replaced with the number
"270".

                  SECTION 8. The provision at the end of Section 5.1(f) of the
Merger Agreement is hereby deleted.

                  SECTION 9. The following is hereby added to the end of Section
5.1(b):

         Green shall not convene, adjourn or postpone the Green Pennsylvania
         Shareholders Meeting without the prior consent of White, which consent
         shall not be unreasonably withheld. In the event that the matters to be
         considered at the Green Merger Shareholders Meeting are not approved at
         a meeting called for such purpose, from time to time Green may, and
         shall at the request of White, duly call, give notice of, convene and
         hold one or more meeting(s) of shareholders thereafter for the purpose
         of obtaining the Green Merger Shareholder Approval, in which case all
         obligations hereunder respecting the Green Merger Shareholders Meeting
         shall apply in respect of such other meeting(s), subject in any event
         to either party's right to terminate this Agreement pursuant to Section
         7.1(b)(ii) or (iii). Subject to the foregoing, Green shall convene each
         such meeting(s) as soon as practicable after receipt of any request to
         do so by White (and in the case of the initial Green Pennsylvania
         Shareholders Meeting, as soon as practicable after December 5, 1996).
         The foregoing shall not effect White's obligations to make the Amended
         Offer and, if the conditions therefor in Section 1.1(d) are satisfied,
         the Second Offer, whether or not the Green Merger Shareholder Approval
         has been received or any such Green Merger Shareholders Meeting(s) have
         been called or held.

                  SECTION 10. The following is hereby added to the end of
Section 5.1(c):

         In the event that the matters to be considered at the White
         Shareholders Meeting are not approved at a meeting called for such
         purpose, from time to time White may, and shall at the request of
         Green, duly call, give notice of, convene and hold one or more
         meeting(s) of shareholders thereafter for the purpose of obtaining the
         White Shareholder Approval, in which case all obligations hereunder
         respecting the White Shareholders Meeting shall apply in respect of
         such 


                                      -9-
<PAGE>   11
         other meeting(s), subject in any event to either party's right to
         terminate this Agreement pursuant to Section 7.1(b)(ii) or (iii). White
         shall convene each such meeting(s) as soon as practicable after any
         request to do so by Green.

                  SECTION 11. The following is hereby added to the end of each
of Sections 7.1(b)(ii) and 7.1(b)(iii):

         , to the extent such meeting was held after the earlier of (i) 270 days
         after October 14, 1996 or (ii) the purchase of an aggregate of 40% of
         the fully diluted shares of Green Common Stock and Green ESOP Preferred
         Stock under the Amended Offer and, if applicable, the Second Offer.


                                   ARTICLE II

                                     GENERAL


                  SECTION 1. Merger Agreement. Except as amended hereby, the
provisions of the Merger Agreement shall remain in full force and effect.

                  SECTION 2. Counterparts. This First Amendment may be executed
in one or more counterparts, all of which shall be considered one and the same
agreement and shall become effective when one or more counterparts have been
signed by each of the parties and delivered to the other parties.

                  SECTION 3. Entire Agreement; No Third-Party Beneficiaries.
Other than the Merger Agreement (and subject to Section 8.6 thereof), this First
Amendment (a) constitutes the entire agreement, and supersedes all prior
agreements and understandings, both written and oral, among the parties with
respect to the subject matter of this First Amendment and (b) is not intended to
confer upon any person other than the parties hereto any rights or remedies.

                  SECTION 4. GOVERNING LAW. THIS FIRST AMENDMENT SHALL BE
GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW
YORK, REGARDLESS OF THE LAWS THAT MIGHT OTHERWISE GOVERN UNDER APPLICABLE
PRINCIPLES OF CONFLICT OF LAWS THEREOF; PROVIDED, HOWEVER, THAT THE LAWS OF THE
RESPECTIVE STATES OF INCORPORATION OF EACH OF THE PARTIES HERETO SHALL GOVERN
THE RELATIVE RIGHTS, OBLIGATIONS, POWERS, DUTIES AND OTHER INTERNAL AFFAIRS OF
SUCH PARTY AND ITS BOARD OF DIRECTORS.


                                      -10-
<PAGE>   12
                  SECTION 5. Assignment. Neither this First Amendment nor any of
the rights, interests or obligations under this First Amendment shall be
assigned, in whole or in part, by operation of law or otherwise by either of the
parties hereto without the prior written consent of the other party. Any
assignment in violation of the preceding sentence shall be void. Subject to the
preceding sentence, this First Amendment will be binding upon, inure to the
benefit of, and be enforceable by, the parties and their respective successors
and assigns.

                  SECTION 6. ENFORCEMENT. THE PARTIES AGREE THAT IRREPARABLE
DAMAGE WOULD OCCUR AND THAT THE PARTIES WOULD NOT HAVE ANY ADEQUATE REMEDY AT
LAW IN THE EVENT THAT ANY OF THE PROVISIONS OF THIS FIRST AMENDMENT WERE NOT
PERFORMED IN ACCORDANCE WITH THEIR SPECIFIC TERMS OR WERE OTHERWISE BREACHED. IT
IS ACCORDINGLY AGREED THAT THE PARTIES SHALL BE ENTITLED TO AN INJUNCTION OR
INJUNCTIONS TO PREVENT BREACHES OF THIS FIRST AMENDMENT AND TO ENFORCE
SPECIFICALLY THE TERMS AND PROVISIONS OF THIS FIRST AMENDMENT IN ANY FEDERAL
COURT LOCATED IN THE STATE OF NEW YORK OR IN NEW YORK STATE COURT, THIS BEING IN
ADDITION TO ANY OTHER REMEDY TO WHICH THEY ARE ENTITLED AT LAW OR IN EQUITY. IN
ADDITION, EACH OF THE PARTIES HERETO (A) CONSENTS TO SUBMIT ITSELF TO THE
PERSONAL JURISDICTION OF ANY FEDERAL COURT LOCATED IN THE STATE OF NEW YORK OR
ANY NEW YORK STATE COURT IN THE EVENT ANY DISPUTE ARISES OUT OF THIS FIRST
AMENDMENT OR ANY OF THE TRANSACTIONS CONTEMPLATED BY THIS FIRST AMENDMENT, (B)
AGREES THAT IT WILL NOT ATTEMPT TO DENY OR DEFEAT SUCH PERSONAL JURISDICTION BY
MOTION OR OTHER REQUEST FOR LEAVE FROM ANY SUCH COURT AND (C) AGREES THAT IT
WILL NOT BRING ANY ACTION RELATING TO THIS FIRST AMENDMENT OR ANY OF THE
TRANSACTIONS CONTEMPLATED BY THIS FIRST AMENDMENT IN ANY COURT OTHER THAN A
FEDERAL COURT SITTING IN THE STATE OF NEW YORK OR A NEW YORK STATE COURT.

                  SECTION 7. Headings. The headings contained in this First
Amendment are for reference purposes only and shall not affect in any way the
meaning or interpretation of this First Amendment.

                  SECTION 8. Severability. If any term or other provision of
this First Amendment is invalid, illegal or incapable of being enforced by any
rule of law or public policy, all other conditions and provisions of this First
Amendment shall nevertheless remain in full force and effect so long as the
economic or legal substance of the transactions contemplated hereby is not
affected in any manner materially adverse to any party. Upon such determination
that any term or other provision is invalid, illegal or incapable of being
enforced, the parties hereto shall negotiate in good faith to modify this 


                                      -11-
<PAGE>   13
First Amendment so as to effect the original intent of the parties as closely as
possible to the fullest extent permitted by applicable law in an acceptable
manner to the end that the transactions contemplated hereby are fulfilled to the
extent possible.


                                      -12-
<PAGE>   14
                  IN WITNESS WHEREOF, Conrail Inc., Green Acquisition Corp. and
CSX Corporation have caused this First Amendment to be signed by their
respective officers thereunto duly authorized, all as of the date first written
above.

                                     CONRAIL INC.                
                                                                 
                                     by                          
                                                                 
                                     ____________________________
                                     Name:                       
                                     Title:                      
                                                                 
                                                                 
                                     GREEN ACQUISITION CORP.     
                                                                 
                                     by                          
                                                                 
                                     ____________________________
                                     Name:                       
                                     Title:                      
                                                                 
                                                                 
                                     CSX CORPORATION             
                                                                 
                                     by                          
                                                                 
                                     ____________________________
                                     Name:                       
                                     Title:                      
                                     


                                      -13-


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