DELAWARE OTSEGO CORP
8-K, 1997-08-18
RAILROADS, LINE-HAUL OPERATING
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

                                 August 17, 1997
                                 ---------------
                                 Date of Report
                        (Date of earliest event reported)



                           DELAWARE OTSEGO CORPORATION
             (Exact name of registrant as specified in its charter)


        New York                      0-12985                 16-0913491
        --------                      -------                 ----------
(State or other jurisdiction       (Commission              (IRS Employer
of incorporation)                  File Number)           Identification No.)

                                1 Railroad Avenue
                           Cooperstown, New York 13321
                           ---------------------------
              (Address of principal executive offices and zip code)


                                 (607) 547-2558
                                 --------------
              (Registrant's telephone number, including area code)


                                 Not applicable
                                 --------------
          (Former name or former address, if changed since last report)






<PAGE>



ITEM 5. Other Events

     On August 17, 1997, the Board of Directors of Delaware  Otsego  Corporation
("DOC")  entered into a merger  agreement  among Walter G. Rich, CSX Corporation
and Norfolk  Southern  Corporation,  that provided for the acquisition of all of
the Common  Stock,  par value  $.125 per share,  of DOC at a price of $22.00 per
share.  Mr.  Rich is the  President  and Chief  Executive  Officer  of DOC.  The
transaction  has been  structured  as a tender  offer  followed by a  short-form
merger and is expected to close in September 1997.


ITEM 7. Financial Statements and Exhibits

     (c) The following exhibits are hereby made a part of this Form 8-K:

     Exhibit 2.1    Agreement and Plan of Merger dated as of August 17, 1997, by
                    and among CSX  Corporation,  Norfolk  Southern  Corporation,
                    Walter G. Rich and Delaware Otsego Corporation.




                                       -2-

<PAGE>





                                    SIGNATURE

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                            DELAWARE OTSEGO CORPORATION
                                                     (Registrant)



                                            By: /s/ William B. Blatter
                                                ----------------------
                                                     William B. Blatter
                                                     Senior Vice President and
                                                     Chief Financial Officer

Date:  August 18, 1997



                                       -3-



                                                                  EXECUTION COPY



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


                          AGREEMENT AND PLAN OF MERGER

                                  by and among

                                CSX CORPORATION,
                             a Virginia corporation,

                          NORFOLK SOUTHERN CORPORATION,
                             a Virginia corporation,

                                 WALTER G. RICH

                                       and



                          DELAWARE OTSEGO CORPORATION,
                             a New York corporation,









                          dated as of August 17, 1997.


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



<PAGE>



                                TABLE OF CONTENTS
                                -----------------

                                                                            Page
                                                                            ----

                                    ARTICLE I


                            THE OFFER AND THE MERGER

Section 1.1. The Offer  .....................................................1
Section 1.2. Company Action  ................................................3
Section 1.3. The Merger  ....................................................3
Section 1.4. Action by Shareholders  ........................................4
Section 1.5. Proxy Statement  ...............................................4
Section 1.6. Closing  .......................................................5
Section 1.7. Effective Time  ................................................5
Section 1.8. Effects of the Merger  .........................................5
Section 1.9. Certificate of Incorporation  ..................................5
Section 1.10. Bylaws  .......................................................5
Section 1.11. Directors and Officers  .......................................5

                                   ARTICLE II


               CONVERSION OF SECURITIES; EXCHANGE OF CERTIFICATES

Section 2.1. Conversion of Securities  ......................................5
Section 2.2. Exchange of Certificates and Cash  .............................6
Section 2.3. Stock Transfer Books  ..........................................8
Section 2.4. Stock Options; Payment Rights  .................................8
Section 2.5. Dissenting Shares  .............................................8

                                   ARTICLE III


                     REPRESENTATIONS AND WARRANTIES OF DOCP

Section 3.1. Organization and Qualifications; Subsidiaries  .................9
Section 3.2. Certificate of Incorporation and Bylaws  .......................9
Section 3.3. Capitalization  ................................................9
Section 3.4. Authority Relative to This Agreement  .........................10
Section 3.5. No Conflict; Required Filings and Consents  ...................11
Section 3.6. Compliance  ...................................................12
Section 3.7. Litigation  ...................................................12
Section 3.8. SEC Filings; Financial Statements  ............................12
Section 3.9. Absence of Certain Changes and Events  ........................13
Section 3.10. Employee Benefit Plans  ......................................14
Section 3.11. Environmental Matters  .......................................14
Section 3.12. [Intentionally omitted.] .....................................16
Section 3.13. Transactions with Affiliates  ................................16


                                      -i-

<PAGE>



Section 3.14. Contracts  ....................................................16
Section 3.15. Tax Matters  ..................................................16
Section 3.16. Opinion of Financial Advisor  .................................17
Section 3.17. Brokers  ......................................................17
Section 3.18. Information Supplied  .........................................17
Section 3.19. State Takeover Statutes  ......................................17

                                   ARTICLE IV


            REPRESENTATIONS AND WARRANTIES OF BUYER, CSX, NSC AND THE
                              MANAGEMENT INVESTOR

Section 4.1. Organization and Qualification  ................................18
Section 4.2. Authority Relative to This Agreement  ..........................18
Section 4.3. No Conflict; Required Filings and Consents  ....................18
Section 4.4. Information Supplied  ..........................................19
Section 4.5. Brokers  .......................................................19

                                    ARTICLE V


                  COVENANTS RELATING TO THE CONDUCT OF BUSINESS

Section 5.1. Conduct of Business by DOCP Pending the Merger  ................20
Section 5.2. Other Actions  .................................................22

                                   ARTICLE VI


                              ADDITIONAL COVENANTS

Section 6.1. Access to Information; Confidentiality  ........................22
Section 6.2. No Solicitation  ...............................................23
Section 6.3. Indemnification, Exculpation and Insurance  ....................24
Section 6.4. Notification of Certain Matters  ...............................24
Section 6.5. Further Action; Best Efforts  ..................................25
Section 6.6. Public Announcements  ..........................................25
Section 6.7. Conveyance Taxes  ..............................................25

                                   ARTICLE VII


                               CLOSING CONDITIONS

Section 7.1. Conditions to Obligations of Each Party to Effect the Merger  ..26
Section 7.2. Conditions to Obligations of DOCP to Effect the Merger  ........26
Section 7.3. Conditions to Obligations of Buyer to Effect the Merger  .......27
Section 7.4. Frustration of Closing Conditions  .............................27



                                      -ii-


<PAGE>



                                  ARTICLE VIII


                        TERMINATION, AMENDMENT AND WAIVER

Section 8.1. Termination  ...................................................27
Section 8.2. Effect of Termination  .........................................28
Section 8.3. Amendment  .....................................................28
Section 8.4. Waiver  ........................................................29
Section 8.5. Fees, Expenses and Other Payments  .............................29

                                   ARTICLE IX


                               GENERAL PROVISIONS

Section 9.1. Effectiveness of Representations, Warranties and Agreements.....29
Section 9.2. Notices  .......................................................30
Section 9.3. Certain Definitions  ...........................................32
Section 9.4. Interpretation  ................................................32
Section 9.5. Severability  ..................................................33
Section 9.6. Entire Agreement  ..............................................33
Section 9.7. Assignment  ....................................................33
Section 9.8. Parties in Interest  ...........................................33
Section 9.9. Governing Law  .................................................33
Section 9.10. Enforcement  ..................................................34
Section 9.11. Counterparts  .................................................34
Section 9.12. Guarantee  ....................................................34


Annex I - Conditions of the Offer



                                     -iii-


<PAGE>


                             INDEX OF DEFINED TERMS

Term                                               Page       
- ----                                               ----       

affiliate..........................................32
Agreement...........................................1
Alternative Transaction............................23
business day.......................................32
Buyer...............................................1
Buyer Material Adverse Effect......................18
Certificates........................................6
Cleanup............................................15
Code................................................7
Confidential Information...........................22
control, controlled, controlled by, 
under common control with .........................32
Convertible Debt...................................10
CSX.................................................1
Dissenting Shares...................................8
DOCP................................................1
DOCP Board..........................................1
DOCP Disclosure Schedule............................9
DOCP Material Adverse Effect........................9
DOCP Plans.........................................14
DOCP SEC Reports...................................12
DOCP Shares.........................................1
DOCP Stock Options..................................9
DOCP Subsidiary.....................................9
Effective Time......................................5
Environmental Laws.................................15
ERISA..............................................14
Exchange Act.......................................11
Exchange Agent......................................6
Exchange Fund.......................................6
Expenses...........................................29
Fair Market Value..................................24
Governmental Entity................................11
Hazardous Substances...............................15
HSR Act............................................11
Indemnified Parties................................24
IRS................................................14
knowledge..........................................32
LLC.................................................1
Management Investor.................................1
material, materially...............................32
Merger..............................................1
Merger Meeting......................................4
Minimum Condition.................................A-1
New York Law........................................1
NSC.................................................1
Offer...............................................1
Offer Documents.....................................2
Offer Price.........................................1
Options............................................10
Permits............................................12
person.............................................32
Property...........................................14
Proxy Statement.....................................4
Release............................................15
Respective Representatives.........................22
Schedule 13E-3......................................2
Schedule 14D-1......................................2
Schedule 14D-9......................................3
SEC.................................................2
Securities Act.....................................12
subsidiary, subsidiaries...........................32
Superior Proposal..................................24
Surviving Corporation...............................1
taken as a whole...................................32
Transmittal Documents...............................7
Warrants...........................................10


                                      -iv-
<PAGE>





     AGREEMENT  AND  PLAN  OF  MERGER,   dated  as  of  August  17,  1997  (this
"Agreement"),  by and among CSX  CORPORATION,  a Virginia  corporation  ("CSX"),
NORFOLK SOUTHERN  CORPORATION,  a Virginia corporation  ("NSC"),  WALTER G. RICH
(the  "Management  Investor")  and  DELAWARE  OTSEGO  CORPORATION,  a  New  York
corporation ("DOCP").


                              W I T N E S S E T H:


     WHEREAS,  the parties to this Agreement desire to effect the acquisition of
DOCP by a corporate  subsidiary ("Buyer") of a limited liability company ("LLC")
to be formed by CSX, NSC and the Management Investor;

     WHEREAS,  no later  than  the  Effective  Time,  the  Management  Investor,
together  with  CSX  and  NSC,  will  collectively  own  all of the  outstanding
membership interests of LLC;

     WHEREAS, in furtherance of the foregoing, upon the terms and subject to the
conditions of this Agreement and in accordance with the Business Corporation Law
of the State of New York (collectively, the "New York Law"), Buyer will make the
cash tender offer  described in Section 1.1 hereof (the "Offer") and  thereafter
will  merge  with and into  DOCP  (the  "Merger"),  with  DOCP as the  surviving
corporation (the "Surviving Corporation");

     WHEREAS,  the Board of Directors of DOCP (the "DOCP Board") has  determined
that the Offer and the Merger are fair to, and in the best  interests  of,  DOCP
and the holders of DOCP Shares (other than CSX and the Management  Investor) and
has approved and adopted this Agreement, including the Offer, the Merger and the
other transactions contemplated hereby; and

     NOW,  THEREFORE,  in  consideration  of the  foregoing  and the  respective
representations,   warranties,  covenants  and  agreements  set  forth  in  this
Agreement,  the parties hereto,  intending to be legally bound,  hereby agree as
follows:


                                    ARTICLE I

                            THE OFFER AND THE MERGER


     Section 1.1. The Offer.  (a) Provided that nothing shall have occurred that
would  result  in a  failure  to  satisfy  any of the  conditions  set  forth in
paragraphs (i) through (iv) of Annex I hereto,  as promptly as practicable after
the date hereof,  but in no event later than five  business  days  following the
public  announcement of the terms of this  Agreement,  Buyer (or its subsidiary)
shall  commence an offer to  purchase  all of the  outstanding  shares of common
stock,  par value $.125 per share, of DOCP (the "DOCP Shares") at a price of $22
per DOCP Share, net to the seller in cash (the "Offer Price").



                                      -1-

<PAGE>



     (b) The  Offer  shall be  subject  to the  conditions  set forth in Annex I
hereto.  Buyer shall not,  without the prior written  consent of DOCP,  make any
change in the terms or conditions of the Offer that is adverse to the holders of
DOCP Shares, decrease the Offer Price or the number of DOCP Shares sought in the
Offer or impose  conditions  to the Offer  other than those set forth in Annex I
hereto  (it  being  agreed  that a  waiver  by Buyer  of any  condition,  in its
discretion,  shall not be deemed to be adverse to the  holders of DOCP  Shares);
provided that, if on any scheduled  expiration  date of the Offer all conditions
to the Offer shall not have been  satisfied  or waived,  the Offer may, but need
not, be extended  from time to time  without the consent of DOCP for such period
of time as is  reasonably  expected  by Buyer to be  necessary  to  satisfy  the
unsatisfied conditions; provided further that the Offer may be extended by Buyer
without  the consent of DOCP for any period  required  by any rule,  regulation,
interpretation  or  position  of  the  United  States  Securities  and  Exchange
Commission  (the  "SEC") or the  staff  thereof  applicable  to the  Offer;  and
provided  further  that, if at any  scheduled  expiration  date of the Offer all
conditions to the Offer shall have been satisfied but less than a number of DOCP
Shares that,  together with the number of DOCP shares to be  contributed  by CSX
and the Management Investor to Buyer, represent less than 90% of the outstanding
DOCP Shares, on a fully-diluted  basis, shall have been tendered into the Offer,
Buyer  shall be  entitled  to extend  the Offer  from time to time  without  the
consent of DOCP (for not more than 10 business days) in order to permit Buyer to
solicit  additional DOCP Shares to be tendered into the Offer. It is agreed that
the  conditions  to the Offer are  solely  for the  benefit  of Buyer and may be
asserted  by  Buyer  regardless  of the  circumstances  giving  rise to any such
condition  (including  any action or inaction by Buyer) or may, but need not, be
waived by Buyer,  in whole or in part at any time and from time to time,  in its
sole discretion.

     (c) As soon as practicable on the date of commencement of the Offer,  Buyer
(and, to the extent  required by law, CSX, NSC and the Management  Investor,  as
co-bidders)  shall file with the SEC a Tender Offer  Statement on Schedule 14D-1
(together with all supplements  and amendments  thereto,  the "Schedule  14D-1")
and,  together with DOCP, a Rule 13E-3  Transaction  Statement on Schedule 13E-3
(together with all supplements  and amendments  thereto,  the "Schedule  13E-3")
with respect to the Offer, which shall contain the offer to purchase and form of
the related letter of transmittal  (together with any  supplements or amendments
thereto, collectively, the "Offer Documents"). DOCP shall provide Buyer (and, if
applicable,  CSX,  NSC  and  the  Management  Investor)  with  such  information
concerning   DOCP  as  may  reasonably  be  requested  in  connection  with  the
preparation of the Schedule 13E-3. Each party hereto shall promptly  supplement,
update and correct any information provided by it for use in the Offer Documents
if and to the  extent  that it is or  shall  have  become  incomplete,  false or
misleading. In any such event, Buyer shall take all steps necessary to cause the
Offer  Documents as so  supplemented,  updated or corrected to be filed with the
SEC and to be disseminated  to the holders of DOCP Shares,  in each case, as and
to the extent  required by  applicable  federal  securities  laws.  DOCP and its
counsel,  with  respect to the  Schedule  14D-1,  and each party  hereto and its
respective  counsel,  with  respect  to the  Schedule  13E-3,  shall be given an
opportunity to review and comment on such filing and each supplement,  amendment
or response to comments  with respect  thereto  prior to its being filed with or
delivered to the SEC.



                                      -2-


<PAGE>



     Section  1.2.  Company  Action.  (a) DOCP hereby  consents to the Offer and
represents  that the DOCP Board,  at a meeting duly called and held, has, by the
vote of all directors  present with one  abstension,  (i)  determined  that this
Agreement and the transactions  contemplated hereby, including the Offer and the
Merger,  are fair to and in the best  interest  of DOCP and the  holders of DOCP
Shares (other than CSX and the Management  Investor),  (ii) approved and adopted
this Agreement and the transactions contemplated hereby, including the Offer and
the Merger,  which approval  satisfies in full the  requirements of the New York
Law (including  all approvals  required under Section 912 of the New York Law in
connection with the  consummation of the transactions  contemplated  hereby) and
(iii)  resolved  to  recommend  acceptance  of the Offer,  and,  if  applicable,
approval and adoption of this  Agreement and the Merger,  by the holders of DOCP
Shares.  DOCP further  represents  that Smith Barney,  Inc. has delivered to the
DOCP  Board  its  opinion,  dated  the  date of this  Agreement  (which  will be
confirmed  in  writing  as  promptly  as  practicable  after  the  date  of this
Agreement),  that, as of such date, the cash consideration to be received in the
Offer and the Merger by the holders of DOCP Shares  (other than CSX, NSC and the
Management  Investor and their  respective  affiliates)  is fair to such holders
from a financial point of view. DOCP shall promptly furnish Buyer with a list of
its  shareholders,  mailing labels,  and any available  listing or computer file
containing  the names and  addresses  of all record  holders of DOCP  Shares and
lists of securities positions of DOCP Shares held in stock depositories, in each
case, true and correct as of the most recent  practicable date, and will provide
to Buyer such additional  information  (including updated lists of shareholders,
mailing labels and lists of securities  positions) and such other  assistance as
Buyer may reasonably request in connection with the Offer.

     (b) As soon as  practicable  on the day that the Offer is  commenced,  DOCP
shall  file with the SEC a  Solicitation/Recommendation  Statement  on  Schedule
14D-9  (together  with all  supplements  and amendments  thereto,  the "Schedule
14D-9") which, unless otherwise required due to the applicable  fiduciary duties
of the DOCP Board as  determined  by the members  thereof in good faith based on
the advice of outside  counsel,  shall reflect the  recommendations  of the DOCP
Board  referred  to above.  Each party  shall  promptly  supplement,  update and
correct any  information  provided by it for use in the Schedule 14D-9 if and to
the extent that it is or shall have become incomplete,  false or misleading.  In
any such event,  DOCP shall take all steps necessary to cause the Schedule 14D-9
as so  supplemented,  updated  or  corrected  to be filed with the SEC and to be
disseminated  to the holders of DOCP Shares,  in each case, as and to the extent
required by applicable  United States federal  securities laws. Each other party
hereto and its  respective  counsel shall be given an  opportunity to review and
comment on the  Schedule  14D-9 and each  supplement,  amendment  or response to
comments  with respect  thereto  prior to its being filed or delivered  with the
SEC.

     Section 1.3. The Merger.  Upon the terms and subject to the  conditions set
forth  in this  Agreement,  and in  accordance  with the New  York  Law,  at the
Effective  Time Buyer  shall be merged  with and into  DOCP.  As a result of the
Merger,  the separate  existence of Buyer shall cease and DOCP shall continue as
the  Surviving  Corporation.  At the  election of Buyer,  any direct or indirect
wholly owned  subsidiary of Buyer may be substituted  for Buyer as a constituent
party of the  Merger.  In such  event,  the  parties  hereto  shall  execute  an
appropriate amendment to this agreement to reflect such substitution.



                                      -3-



<PAGE>



     Section  1.4.  Action by  Shareholders.  If required by  applicable  law to
consummate the Merger, DOCP, acting through the DOCP Board, shall, in accordance
with applicable law, its certificate of incorporation and bylaws: (a) as soon as
practicable after  consummation of the Offer, duly call, give notice of, convene
and hold a special  meeting  of  shareholders  (the  "Merger  Meeting")  for the
purpose of adopting this Agreement and approving the Merger;  (b) include in the
Proxy Statement (as defined below) the determination  and  recommendation of the
DOCP  Board to the  effect  that the DOCP  Board,  having  determined  that this
Agreement and the transactions  contemplated hereby, including the Offer and the
Merger,  are fair to and in the best  interests  of DOCP and the holders of DOCP
Shares (other than CSX and the  Management  Investor),  has approved and adopted
this Agreement and the  transactions  contemplated  hereby and, unless otherwise
required due to the applicable  fiduciary duties of the DOCP Board as determined
by the  members  thereof in good faith  based on the advice of outside  counsel,
recommends  that such holders vote in favor of the approval and adoption of this
Agreement  and the Merger;  and (c) use its best efforts to obtain the necessary
approval of this  Agreement and the Merger by such holders.  In the event of the
Merger Meeting,  each of CSX, NSC, Buyer and the Management  Investor shall vote
all DOCP Shares owned by such person in favor of the adoption of this  Agreement
and the transactions contemplated hereby.

     Section  1.5.  Proxy  Statement.  (a)  If  required  by  applicable  law in
connection with the Merger, as promptly as practicable after consummation of the
Offer, DOCP shall prepare and file with the SEC a proxy or information statement
relating to the Merger  Meeting  (together  with any  supplements  or amendments
thereto,  the "Proxy  Statement"),  and shall use its reasonable best efforts to
have such filing cleared by the SEC. CSX, NSC, Buyer and the Management Investor
shall  furnish  to DOCP  all  information  concerning  such  party  as DOCP  may
reasonably request in connection with the preparation of the Proxy Statement. As
promptly as practicable  after the Proxy  Statement has been cleared by the SEC,
DOCP shall mail the Proxy  Statement  to the holders of DOCP  Shares.  The Proxy
Statement  shall  include the  recommendation  of the DOCP Board in favor of the
Merger as described in Section 1.4.

     (b) The  information  supplied  by each of CSX,  NSC,  LLC,  Buyer  and the
Management  Investor for inclusion in the Proxy Statement shall not, at the time
the Proxy Statement (or any supplement or amendment  thereto) is first mailed to
the holders of DOCP Shares or, unless promptly corrected, during the pendency of
the Merger Meeting,  contain any untrue  statement of a material fact or omit to
state any material fact  required to be stated  therein or necessary in order to
make  the  statements  therein  not  misleading.  If at any  time  prior  to the
Effective Time any event or circumstance  relating to any party hereto, or their
respective  officers  or  directors,  should be  discovered  by such party which
should be set forth in a supplement or an amendment to the Proxy Statement, such
party shall  promptly  inform the other  parties  hereto  thereof and shall take
appropriate action in respect thereof.

     (c) Notwithstanding anything in the foregoing to the contrary, in the event
that at any time Buyer and/or any other direct or indirect  subsidiary  of Buyer
shall acquire at least 90% of the outstanding DOCP Shares,  Buyer and DOCP shall
take all  necessary  and  appropriate  action  to cause  the  Merger  to  become
effective as promptly as practicable after the expiration of



                                      -4-


<PAGE>



the Offer and the  satisfaction or waiver of the conditions set forth in Article
VII without the Merger  Meeting in  accordance  with Section 905 of the New York
Law.

     Section 1.6. Closing.  Unless this Agreement shall have been terminated and
the  transactions  contemplated  hereby  shall have been  abandoned  pursuant to
Section 8.1, and subject to the  satisfaction  or waiver of the  conditions  set
forth in Article  VII, the closing of the Merger shall take place as promptly as
practicable (and, in any event,  within 10 business days) after the satisfaction
or waiver of the  conditions  set forth in Article VII at the offices of Kelley,
Drye & Warren LLP, New York,  New York,  unless  another date,  time or place is
agreed to in writing by the parties hereto.

     Section  1.7.   Effective  Time.  As  promptly  as  practicable  after  the
satisfaction  or waiver of the  conditions set forth in Article VII, the parties
hereto  shall  cause the Merger to be  consummated  by filing a  certificate  of
merger  with the  Secretary  of State of the State of New York and by making any
related  filings  required under the New York Law in connection with the Merger.
The Merger shall become  effective at such time as the  certificate of merger is
duly filed with the Secretary of State of the State of New York or at such later
time, not to exceed 30 days from the date of such filing, as is specified in the
certificate of merger (the "Effective Time").

     Section 1.8. Effects of the Merger.  From and after the Effective Time, the
Surviving  Corporation  shall  possess  all the rights,  privileges,  powers and
franchises and be subject to all of the restrictions, disabilities and duties of
DOCP and Buyer,  and the Merger shall  otherwise have the effects as provided by
New York law.

     Section 1.9. Certificate of Incorporation. The certificate of incorporation
of  Buyer  in  effect  at  the  Effective  Time  shall  be  the  certificate  of
incorporation  of the Surviving  Corporation  until  amended in accordance  with
applicable law.

     Section 1.10.  Bylaws.  The bylaws of Buyer in effect at the Effective Time
shall be the bylaws of the  Surviving  Corporation  until  amended in accordance
with applicable law.

     Section 1.11.  Directors and Officers.  From and after the Effective  Time,
until  successors  are duly  elected or  appointed  and  qualified  (or  earlier
resignation or removal) in accordance  with applicable law, (a) the directors of
Buyer at the Effective Time shall be the directors of the Surviving  Corporation
and (b) the officers of DOCP at the Effective  Time shall be the officers of the
Surviving Corporation.


                                  ARTICLE II

               CONVERSION OF SECURITIES; EXCHANGE OF CERTIFICATES


     Section 2.1. Conversion of Securities.  At the Effective Time, by virtue of
the Merger and without  any action on the part of Buyer,  DOCP or the holders of
any of DOCP securities:



                                      -5-


<PAGE>



          (a) Each DOCP Share issued and  outstanding  immediately  prior to the
     Effective  Time  (other  than any DOCP  Shares to be  canceled  pursuant to
     Section 2.1(b) and any Dissenting Shares) shall be converted into the right
     to receive an amount in cash equal to the Offer Price, without interest.

          (b) Each DOCP Share or DOCP Stock  Option held in the treasury of DOCP
     (or any DOCP  Subsidiary) and each DOCP Share or DOCP Stock Option owned by
     Buyer (or its  subsidiary)  immediately  prior to the Effective  Time shall
     automatically be canceled and extinguished  without any conversion thereof,
     and no payment shall be made with respect thereto.

          (c) Each share of capital  stock (and any option to purchase any share
     of capital stock) of Buyer  outstanding  immediately prior to the Effective
     Time  shall be  converted  into and  become one share of a class of capital
     stock (or an option to purchase  one share of a class of capital  stock) of
     the Surviving  Corporation  with the same rights,  powers and privileges as
     the share of capital stock (or option to purchase a share of capital stock)
     so converted and shall constitute the only  outstanding  shares (or options
     to purchase shares) of capital stock of the Surviving Corporation.

          (d) On and after the Effective  Time,  holders of  certificates  which
     immediately prior to the Effective Time represented  issued and outstanding
     DOCP Shares ("Certificates") shall cease to have any rights as shareholders
     of DOCP,  except the right to receive the  consideration  set forth in this
     Article II with respect to each DOCP Share held by them.

     Section 2.2.  Exchange of Certificates  and Cash. (a) Exchange Agent.  From
time to time as may be  necessary to make  payments of cash  pursuant to Section
2.1(a),  Buyer shall  deposit,  or shall cause to be deposited,  with or for the
account  of a bank  or  trust  company  designated  by  Buyer,  which  shall  be
reasonably  satisfactory  to  DOCP  (the  "Exchange  Agent"),  for  exchange  in
accordance with this Article II through the Exchange  Agent,  amounts in cash to
be paid in  respect  of  outstanding  DOCP  Shares  (all  such cash  funds,  the
"Exchange Fund").  The Exchange Agent shall,  pursuant to Buyer's  instructions,
deliver such cash from the Exchange  Fund to holders of DOCP Shares  pursuant to
the exchange procedures set forth below. Any interest, dividends or other income
earned on the investment of the Exchange Fund shall be for the account of Buyer.

     (b)  Exchange  Procedures.  As soon as  reasonably  practicable  after  the
Effective  Time,  Buyer shall instruct the Exchange Agent to mail to each holder
of record of a Certificate or Certificates,  (i) a letter of transmittal  (which
shall specify that delivery  shall be effected,  and risk of loss and title to a
Certificate  shall pass,  only upon proper  delivery of such  Certificate to the
Exchange Agent and shall be in such form and have such other provisions as Buyer
may  reasonably  specify)  and (ii)  instructions  to effect  the  surrender  of
Certificates  in  exchange  for  cash.  Upon  surrender  of  a  Certificate  for
cancellation  to the  Exchange  Agent or to such other agent or agents as may be
appointed by Buyer together with such letter of transmittal,  duly executed, and
such other customary  documents as may be required pursuant to such instructions



                                      -6-


<PAGE>



(collectively,  the  "Transmittal  Documents"),  the holder of such  Certificate
shall be entitled to receive in exchange  therefor the amount in cash which such
holder has the right to receive  pursuant to Section 2.1(a) and the  Certificate
so  surrendered  shall  forthwith  be  canceled.  In the event of a transfer  of
ownership of DOCP Shares  which is not  registered  in the  transfer  records of
DOCP,  the  applicable  Exchange Fund cash may be paid in  accordance  with this
Article II to a transferee only if the Certificate  evidencing such  transferred
DOCP Shares is presented to the Exchange  Agent,  accompanied  by all  documents
required  to  evidence  and  effect  such  transfer  and by  evidence  that  any
applicable  stock  transfer  taxes have been paid.  Exchange  Fund cash shall be
delivered by the Exchange Agent as promptly as practicable  following  surrender
of a Certificate and the related Transmittal  Documents,  and Exchange Fund cash
payments  may be  made by  check  (unless  otherwise  required  by a  depositary
institution  in  connection  with the  book-entry  delivery of  securities).  No
interest  shall be payable on any Exchange  Fund cash to be delivered in respect
of DOCP Shares regardless of any delay in making payments.  Until surrendered as
contemplated by this Section 2.2(b),  each Certificate  shall be deemed,  at any
time after the Effective Time, to evidence only the right to receive,  upon such
surrender, the applicable Exchange Fund cash.

     (c) Termination of Exchange Fund. Any portion of the Exchange Fund which is
not  distributed  to the holders of DOCP Shares by the six-month  anniversary of
the Effective Time shall be delivered to Buyer, upon demand,  and any holders of
DOCP Shares who have not theretofore  complied with this Article II and received
Exchange Fund cash may thereafter  look only to Buyer for the applicable cash to
which they are entitled pursuant to this Article II.

     (d) No Liability.  Neither Buyer,  CSX, NSC, the Management  Investor,  the
Surviving  Corporation nor DOCP shall be liable to any holder of DOCP Shares for
any Exchange Fund cash delivered to a public official pursuant to any applicable
abandoned property, escheat or similar law.

     (e)  Withholding  Rights.  Buyer or the Exchange Agent shall be entitled to
deduct and withhold from the  consideration  otherwise  payable pursuant to this
Agreement  to any holder of DOCP  Shares such  amounts as Buyer or the  Exchange
Agent is  required  to deduct and  withhold  with  respect to the making of such
payment under the United States Internal  Revenue Code of 1986, as amended,  and
the rules and regulations  thereunder  (the "Code"),  or any provision of United
States  state or local or foreign  tax law.  To the extent  that  amounts are so
deducted or withheld, such withheld amounts shall be treated for all purposes of
this  Agreement  as having been paid to the holder of the DOCP Shares in respect
of which such deduction and withholding was made.

     (f) Lost  Certificates.  If any Certificate shall have been lost, stolen or
destroyed,  upon the making of an affidavit of that fact by the person  claiming
such  Certificate  to be lost,  stolen or destroyed and, if required by Buyer or
the  Surviving  Corporation,  the  posting  by  such  person  of a bond  in such
reasonable amount as Buyer or the Surviving  Corporation may direct as indemnity
against any claim that may be made against it with respect to such  Certificate,
the Exchange  Agent shall issue in exchange  for such lost,  stolen or destroyed
Certificate the cash deliverable in respect thereof pursuant to this Article.



                                      -7-


<PAGE>



     (g) No Further  Ownership  Rights.  All cash paid  pursuant to this Article
upon the surrender or exchange of Certificates shall be deemed to have been paid
in full  satisfaction  of all rights  pertaining to the DOCP Shares  theretofore
represented by such Certificates.

     Section  2.3.  Stock  Transfer  Books.  At the  Effective  Time,  the stock
transfer  books  of  DOCP  shall  be  closed  and  there  shall  be  no  further
registration of transfers of DOCP Shares on the records of DOCP. On or after the
Effective Time, any Certificate presented to the Exchange Agent or the Surviving
Corporation for any reason shall be exchanged for the  consideration  into which
the DOCP Shares  represented by such Certificate have been converted pursuant to
this Article.

     Section 2.4. Stock Options;  Payment  Rights.  At the Effective  Time, each
outstanding  DOCP Stock  Option to  purchase  DOCP  Shares,  whether or not then
exercisable,  other than any DOCP Stock  Option held in the treasury of DOCP (or
any  DOCP  Subsidiary)  or owned by Buyer  (or its  subsidiary)  which  shall be
treated as provided in Section 2.1(b), shall be canceled, and the holder thereof
shall be entitled to receive in full  consideration  therefor  cash in an amount
equal to the difference between the Offer Price and the per share exercise price
thereof,  multiplied  by the  number of DOCP  Shares  subject to such DOCP Stock
Option;  and DOCP  shall  obtain  consents  from the  holders  of any DOCP Stock
Options to the extent necessary or appropriate to effect the foregoing.

     Section 2.5.  Dissenting Shares. (a) Notwithstanding any other provision of
this Agreement to the contrary, DOCP Shares outstanding immediately prior to the
Effective Time and held by shareholders who shall have not voted in favor of the
Merger or  consented  thereto in writing  and who shall be entitled to and shall
have  demanded  properly in writing  payment for such DOCP Shares in  accordance
with  Sections 910 and 623 of the New York Law and who shall not have  withdrawn
such  demand  or  otherwise  have  forfeited  appraisal  rights   (collectively,
"Dissenting  Shares")  shall not be  converted  into or  represent  the right to
receive cash  pursuant to Section 2.1.  Such  shareholders  shall be entitled to
receive  payment  of the  appraised  value of such DOCP  Shares  held by them in
accordance  with the provisions of the New York Law,  except that all Dissenting
Shares held by shareholders  who shall have failed to perfect or who effectively
shall have  withdrawn,  forfeited or lost their rights to appraisal of such DOCP
Shares under the New York Law shall  thereupon be deemed to have been  converted
into and to have become exchangeable, as of the Effective Time, for the right to
receive,  without any interest thereon, the applicable consideration provided in
Section  2.1,  upon  surrender,  in the manner  provided in Section  2.2, of the
Certificate or Certificates that formerly evidenced such DOCP Shares.

     (b) DOCP  shall give  Buyer  prompt  notice of any  demands  for  appraisal
received by it,  withdrawals of such demands,  and any other instruments  served
pursuant to the New York Law  received by DOCP and  relating  thereto.  DOCP and
Buyer shall jointly  direct all  negotiations  and  proceedings  with respect to
demands for  appraisal  under the New York Law.  Neither  DOCP nor Buyer  shall,
except  with the prior  written  consent of the  other,  make any  payment  with
respect to any demands for appraisal,  or offer to settle,  or settle,  any such
demands.



                                      -8-


<PAGE>



                                 ARTICLE III

                     REPRESENTATIONS AND WARRANTIES OF DOCP


     DOCP hereby  represents  and warrants to each of the other  parties  hereto
that:

     Section 3.1. Organization and Qualifications;  Subsidiaries.  Each of DOCP,
each DOCP  subsidiary  and each other person in which DOCP has an  investment of
greater  than  $1,000,000   (each,  a  "DOCP   Subsidiary")  is  a  corporation,
partnership  or other  legal  entity duly  incorporated  or  organized,  validly
existing  and in  good  standing  under  the  laws  of the  jurisdiction  of its
incorporation  or organization and has the requisite power and authority and all
necessary governmental approvals to own, lease and operate its properties and to
carry on its business as it is now being conducted,  except where the failure to
be so organized,  existing or in good standing or to have such power,  authority
and governmental  approvals would not, individually or in the aggregate,  have a
material  adverse  effect on the  business,  results  of  operations,  financial
condition,  assets,  properties or prospects of DOCP and the DOCP  Subsidiaries,
taken  as a whole,  or  otherwise  delay  in any  material  respect  or  prevent
consummation  of  the  Offer  or the  Merger  or  otherwise  prevent  DOCP  from
performing its  obligations  under this  Agreement in any material  respect (any
such event, a "DOCP Material Adverse Effect").  DOCP and each DOCP Subsidiary is
duly qualified or licensed as a foreign corporation to transact business, and is
in good  standing,  in each  jurisdiction  where the character of the properties
owned,  leased or  operated  by it or the  nature  of its  business  makes  such
qualification  or  licensing  necessary,  except  for  such  failures  to  be so
qualified or licensed and in good standing that could not reasonably be expected
to,  individually  or in the  aggregate,  have a DOCP Material  Adverse  Effect.
Section 3.1 of the written disclosure schedule  previously  delivered by DOCP to
Buyer (the "DOCP Disclosure Schedule") sets forth a complete and correct list of
all DOCP  Subsidiaries.  Except for the capital stock of the DOCP  Subsidiaries,
DOCP does not beneficially or of record own, directly or indirectly, any capital
stock or other ownership interest in any corporation, partnership, joint venture
or other entity.

     Section 3.2.  Certificate of Incorporation and Bylaws.  DOCP has heretofore
made  available  to Buyer a complete  and  correct  copy of the  certificate  of
incorporation and bylaws or equivalent organizational documents, each as amended
to the date  hereof,  of DOCP and each DOCP  Subsidiary.  Such  certificates  of
incorporation,  bylaws and equivalent organizational documents are in full force
and  effect.  Neither  DOCP  nor any  DOCP  Subsidiary  is in  violation  of any
provision  of  its   certificate   of   incorporation,   bylaws  or   equivalent
organizational documents.

     Section 3.3. Capitalization.  The authorized capital stock of DOCP consists
of 10,000,000  DOCP Shares and 1,000,000  shares of preferred stock of DOCP, par
value  $1.25 per share.  As of August 7, 1997,  (a)  1,893,219  DOCP Shares were
issued  and  outstanding,  all of which  were  validly  issued,  fully  paid and
nonassessable,  (b) 168,251  DOCP Shares were  reserved  for  issuance  upon the
exercise of outstanding  stock options  granted  pursuant to DOCP employee stock
plans ("DOCP Stock Options"), (c) 421,309 DOCP Shares were reserved for issuance
upon  conversion of all outstanding  Convertible  Debt and Warrants of DOCP, (d)
110



                                      -9-


<PAGE>



DOCP Shares were held in the  treasury of DOCP,  (e) no DOCP Shares were held by
DOCP  Subsidiaries  and (f) no shares of preferred stock of DOCP were issued and
outstanding.  Except as set forth in this Section 3.3, as of August 7, 1997,  no
shares of capital stock or other voting securities of DOCP were issued, reserved
for issuance or outstanding. Except as set forth in this Section 3.3, other than
warrants to  purchase  66,150 DOCP  Shares,  pursuant to the Warrant  Agreement,
dated as of January 31, 1996,  by and between DOCP and  Creditanstalt  Corporate
Finance,   Inc.  (the   "Warrants")  and  other  than  DOCP's  6.5%  Convertible
Subordinated Notes due September 1, 2003 (the "Convertible  Debt"), there are no
options,  stock  appreciation  rights,  warrants  or other  rights,  agreements,
arrangements or commitments of any character (collectively,  "Options") relating
to the  issued  or  unissued  capital  stock of DOCP or any DOCP  Subsidiary  or
obligating  DOCP or any DOCP  Subsidiary  to issue,  grant or sell any shares of
capital  stock of, or other  equity  interests  in, or  convertible  into equity
interests in, DOCP or any DOCP Subsidiary.  Upon consummation of the Merger, the
Warrants and the Convertible Debt shall cease to represent any right to purchase
or otherwise obtain any capital stock of DOCP or the Surviving Corporation,  and
all rights of the holders of such Warrants and  Convertible  Debt to purchase or
otherwise obtain any capital stock of DOCP shall,  pursuant to the terms of such
instruments,  solely represent the right,  upon proper exercise or conversion of
such instruments,  to obtain an amount in cash equal to the product of the Offer
Price  and the  number  of  DOCP  Shares  for or into  which  such  Warrants  or
Convertible  Debt  were  exercisable  or  convertible  immediately  prior to the
Effective  Time.  Section  3.3 of the  DOCP  Disclosure  Schedule  sets  forth a
complete  and  correct  list as of August 16,  1997 of the number of DOCP Shares
subject to DOCP Stock Options,  the exercise  prices and holders thereof and the
terms of all stock option plans and agreements relating thereto. Since August 7,
1997,  DOCP has not issued any shares of its capital stock or Options in respect
thereof,  except upon the conversion of the Convertible  Debt or the exercise of
the  Warrants or DOCP Stock  Options  referred to above.  All  outstanding  DOCP
Shares have been,  and all DOCP Shares  subject to issuance as  aforesaid,  upon
issuance on the terms and conditions  specified in the  instruments  pursuant to
which they are issuable,  will be, duly authorized,  validly issued,  fully paid
and  nonassessable.  Except as set forth in Section  3.3 of the DOCP  Disclosure
Schedule,  there are no outstanding  contractual obligations of DOCP or any DOCP
Subsidiary to repurchase,  redeem or otherwise acquire any shares of DOCP Shares
or any capital stock of any DOCP Subsidiary, or make any investment (in the form
of a loan,  capital  contribution  or otherwise) in, any DOCP  Subsidiary or any
other  person.  Except  as set  forth  in  Section  3.3 of the  DOCP  Disclosure
Schedule,  each  outstanding  share of capital stock of each DOCP  Subsidiary is
duly authorized,  validly issued,  fully paid and  nonassessable and is owned by
DOCP or wholly  owned  another  DOCP  Subsidiary  free and clear of all security
interests, liens, claims, pledges, options, rights of first refusal, agreements,
limitations on DOCP's or such other DOCP Subsidiary's voting rights, charges and
other encumbrances of any nature whatsoever. Except as set forth in this Section
3.3, there are no outstanding  bonds,  debentures,  notes or other  indebtedness
having the right to vote or  convertible  into or  exchangeable  for  securities
having the right to vote on any  matters  upon which  holders of DOCP Shares may
vote.

     Section 3.4. Authority  Relative to This Agreement.  DOCP has all necessary
corporate power and authority to execute and deliver this Agreement,  to perform
its  obligations  hereunder  and to  consummate  the  transactions  contemplated
hereby.   The  execution  and  delivery  of  this  Agreement  by  DOCP  and  the
consummation by DOCP of the transactions contemplated



                                      -10-


<PAGE>

hereby have been duly and validly authorized by all necessary  corporate action,
and no  other  corporate  proceedings  on the  part of DOCP  or  holders  of its
securities  or  indebtedness  are  necessary to authorize  this  Agreement or to
consummate the  transactions  contemplated  hereby (other than,  with respect to
consummation of the Merger, except as contemplated by Section 1.5(c) hereof, the
approval and  adoption of this  Agreement  by the holders of  two-thirds  of the
then-outstanding  DOCP  Shares  and the filing and  recordation  of  appropriate
merger and similar  documents as required by the New York Law).  This  Agreement
has been duly and validly executed and delivered by DOCP, and,  assuming the due
authorization,  execution and delivery by the other parties hereto,  constitutes
the legal,  valid and binding  obligation of DOCP,  enforceable  against DOCP in
accordance with its terms.

     Section 3.5. No Conflict;  Required Filings and Consents. (a) Except as set
forth in Section 3.5 of the DOCP Disclosure Schedule, the execution and delivery
of this Agreement by DOCP do not, and the  performance of this Agreement and the
consummation  of the  transactions  contemplated  hereby by DOCP  will not,  (i)
conflict  with  or  violate  the  certificate  of  incorporation  or  bylaws  or
equivalent  organizational  documents  of  DOCP  or any  DOCP  Subsidiary,  (ii)
conflict with or violate any law, rule,  regulation,  order,  judgment or decree
applicable  to DOCP or any DOCP  Subsidiary or by which any property or asset of
DOCP or any DOCP  Subsidiary  is bound or affected or (iii) result in any breach
of or  constitute a default (or an event which,  with notice or lapse of time or
both,  would become a default) under,  result in the loss of a material  benefit
under,  or give to others  any right of  termination,  amendment,  acceleration,
increased  payments or  cancellation  of, or result in the creation of a lien or
other  encumbrance  on any  property  or asset  of DOCP or any  DOCP  Subsidiary
pursuant to, any note, bond, mortgage,  indenture,  contract,  agreement, lease,
license,  permit,  franchise or other  instrument or obligation to which DOCP or
any DOCP  Subsidiary  is a party or by which DOCP or any DOCP  Subsidiary or any
property or asset of DOCP or any DOCP  Subsidiary is bound or affected,  except,
in the case of  clauses  (ii) and  (iii),  for any such  conflicts,  violations,
breaches,  defaults or other occurrences as could not reasonably be expected to,
individually or in the aggregate, have a DOCP Material Adverse Effect.

     (b) The  execution  and delivery of this  Agreement by DOCP do not, and the
performance  of  this  Agreement  and  the   consummation  of  the  transactions
contemplated   hereby  by  DOCP  will  not,   require  any  consent,   approval,
authorization  or permit of, or filing with or notification to, any governmental
or regulatory  authority,  domestic or foreign (each a  "Governmental  Entity"),
except (i) for (A) applicable filings under the Securities Exchange Act of 1934,
as amended, and the rules and regulations  promulgated thereunder (the "Exchange
Act"), (B) the requirements of the Hart-Scott-Rodino  Antitrust Improvements Act
of 1976, as amended,  and the rules and regulations  thereunder (the "HSR Act"),
if applicable,  and (C) the filing and  recordation  of  appropriate  merger and
similar  documents  as  required  by the New York Law and (ii) where  failure to
obtain such  consents,  approvals,  authorizations  or permits,  or to make such
filings or notifications,  could not reasonably be expected to,  individually or
in the aggregate, have a DOCP Material Adverse Effect.

     Section  3.6.  Compliance.  Except as set forth in Section  3.6 of the DOCP
Disclosure  Schedule,  neither DOCP nor any DOCP Subsidiary is in conflict with,
or in default or



                                      -11-


<PAGE>



violation  of,  (a)  any  law,  rule,  regulation,  order,  judgment  or  decree
applicable  to DOCP or any DOCP  Subsidiary or by which any property or asset of
DOCP or any DOCP  Subsidiary  is  bound  or  affected,  or (b) any  note,  bond,
mortgage,  indenture,  contract, agreement, lease, license, permit, franchise or
other  instrument or obligation to which DOCP or any DOCP  Subsidiary is a party
or by which DOCP or any DOCP  Subsidiary or any property or asset of DOCP or any
DOCP  Subsidiary is bound or affected,  except for such  conflicts,  defaults or
violations  as could not  reasonably  be  expected  to,  individually  or in the
aggregate,  have a DOCP  Material  Adverse  Effect.  The business of DOCP is not
being  conducted  in  violation  of any  law,  ordinance  or  regulation  of any
Governmental  Entity,  including  environmental  laws,  and DOCP  and each  DOCP
Subsidiary  possess all permits,  licenses,  variances,  exemptions,  orders and
approvals of all Governmental Entities required therefor ("Permits"),  including
as required  under  Environmental  Laws, and there has occurred no default under
any such Permits,  except for the lack of Permits and for defaults under Permits
as could not reasonably be expected to, individually or in the aggregate, have a
DOCP Material Adverse Effect.

     Section  3.7.  Litigation.  Except as set forth in Section  3.7 of the DOCP
Disclosure Schedule, (a) there is no single or series of related suits, actions,
notices,  demands,  claims,  investigations  or  proceedings  pending or, to the
knowledge  of  DOCP,  threatened  against  DOCP or any DOCP  Subsidiary,  or any
unsatisfied  judgment  against  DOCP  or any  DOCP  Subsidiary,  relating  to or
involving an amount greater than $100,000 and (b) there is no judgment,  decree,
injunction or similar order of any Governmental Entity or arbitrator outstanding
against DOCP or any DOCP  Subsidiary or other single or series of related suits,
actions or proceedings  pending or, to the knowledge of DOCP,  threatened  that,
individually  or in the aggregate,  could  reasonably be expected to have a DOCP
Material Adverse Effect.

     Section  3.8.  SEC Filings;  Financial  Statements.  (a) DOCP has filed all
forms,  reports  and  documents  required  to be filed by it with the SEC  since
January 1, 1995 and has heretofore  made  available to Buyer,  in the form filed
with the SEC all such forms,  reports and documents (all such forms, reports and
documents,  collectively,  with exhibits,  schedules or information incorporated
therein by  reference,  the "DOCP SEC  Reports").  The DOCP SEC  Reports and any
forms,  reports and other documents filed by DOCP with the SEC after the date of
this Agreement (i) were or will be prepared in accordance with the  requirements
of the  Securities  Act of 1933,  as  amended,  and the  rules  and  regulations
thereunder (the "Securities Act"), and the Exchange Act, as the case may be, and
(ii) did not at the time they were filed and,  except as amended  prior the date
hereof,  at any time since filing or will not at the time they are filed contain
any  untrue  statement  of a  material  fact or omit to  state a  material  fact
required to be stated therein or necessary in order to make the statements  made
therein,  in the light of the  circumstances  under  which they were  made,  not
misleading.  No DOCP  Subsidiary  is required to file any form,  report or other
document with the SEC.

     (b) Each of the consolidated financial statements (including, in each case,
any  notes  thereto)  contained  in the DOCP SEC  Reports  (i) was  prepared  in
accordance with generally accepted accounting principles applied on a consistent
basis throughout the periods  indicated (except as may be indicated in the notes
thereto),  (ii) fairly presents the consolidated financial position,  results of
operations and cash flows of DOCP and the consolidated  DOCP  Subsidiaries



                                      -12-



<PAGE>



as at the  respective  dates thereof and for the  respective  periods  indicated
therein (subject, in the case of unaudited  statements,  to normal and recurring
year-end adjustments which were not and are not expected, individually or in the
aggregate,  to be material in amount) and (iii)  complies as to form,  as of its
respective  date  of  filing  with  the  SEC,  with  all  applicable  accounting
requirements and SEC rules and  regulations.  Since December 31, 1994, there has
been no change in any of the significant  accounting  (including tax accounting)
policies,  practices or procedures of DOCP or any DOCP Subsidiary except insofar
as required by a change in generally accepted accounting principles.

     (c) Except as set forth in Section 3.8 of the DOCP  Disclosure  Schedule or
as and to the extent set forth on the audited DOCP balance  sheets  contained in
DOCP SEC Reports  filed with the SEC prior to the date of this  Agreement,  DOCP
and the DOCP  Subsidiaries do not have any liability or obligation of any nature
(whether accrued, absolute,  contingent or otherwise) other than liabilities and
obligations  incurred in the  ordinary  course of  business  and which could not
reasonably  be  expected  to,  individually  or in  the  aggregate,  have a DOCP
Material Adverse Effect.

     Section 3.9. Absence of Certain Changes and Events.  Except as set forth in
Section 3.9 of the DOCP Disclosure  Schedule,  since December 31, 1996: (a) DOCP
and the DOCP  Subsidiaries  have conducted their businesses only in the ordinary
course  consistent  with past  practice,  (b) there  have not been any events or
changes in circumstances which has resulted in or could,  individually or in the
aggregate,  reasonably be expected to result in, a DOCP Material Adverse Effect,
(c) there has not been (i) except as disclosed  in DOCP SEC Reports  filed prior
to the date hereof, any declaration, setting aside or payment of any dividend or
other distribution (whether in cash, stock or property) with respect to any DOCP
capital  stock,  (ii) except as disclosed in DOCP SEC Reports filed prior to the
date hereof,  any split,  combination  or  reclassification  of any DOCP capital
stock  or  any  issuance  or the  authorization  of any  issuance  of any  other
securities in respect of, in lieu of or in substitution  for DOCP capital stock,
except for  issuances of DOCP Shares upon the exercise of DOCP Stock  Options or
the  Warrants  or the  conversion  of the  Convertible  Debt,  in  each  case in
accordance  with the terms  thereof,  (iii) (A) any granting by DOCP or any DOCP
Subsidiary to any current or former employee, officer, director or consultant of
DOCP of any options to  purchase  DOCP  Shares or any  increase in  compensation
(including bonuses or commissions),  except for normal increases in the ordinary
course of business consistent with past practice or as required under employment
or  consulting  agreements  in effect as of the date of the most recent  audited
financial  statements  included in the DOCP SEC Reports  filed prior to the date
hereof, (B) any granting by DOCP or any DOCP Subsidiary to any current or former
employee,  officer,  director or  consultant  of any  increase in  severance  or
termination pay, except as required under any employment,  consulting, severance
or  termination  agreements in effect as of the date of the most recent  audited
financial  statements  included in the DOCP SEC Reports  filed prior to the date
hereof  or (C) any  entry by DOCP or any DOCP  Subsidiary  into any  employment,
consulting, severance, termination or indemnification agreements,  arrangements,
or understandings with any such current or former employee, officer, director or
consultant, (iv) except as disclosed in DOCP SEC Reports filed prior to the date
hereof,  any change in  accounting  methods,  principles  or  practices  by DOCP
materially affecting its assets,  liabilities or business, except insofar as may
have been required by a change 



                                      -13-


<PAGE>



in generally accepted accounting principles,  or (v) any action which would have
been prohibited  without Buyer's approval under Section 5.1 if taken between the
date of this Agreement and the Effective Time.

     Section  3.10.  Employee  Benefit  Plans.  With respect to all the employee
benefit  plans,  programs  and  arrangements  maintained  for the benefit of any
current or former  employee,  officer or director of DOCP or any DOCP Subsidiary
(the "DOCP Plans"),  except as set forth in Section 3.10 of the DOCP  Disclosure
Schedule: (a) none of the DOCP Plans is a multi-employer plan within the meaning
of the Employee  Retirement  Income  Security Act of 1974,  as amended,  and the
rules and regulations thereunder ("ERISA");  (b) none of the DOCP Plans promises
or provides retiree medical or life insurance  benefits to any person;  (c) each
DOCP Plan intended to be qualified under Section 401(a) of the Code has received
a favorable determination letter from the United States Internal Revenue Service
(the "IRS") that it is so qualified  and nothing has occurred  since the date of
such letter that could  reasonably be expected to affect the qualified status of
such DOCP Plan other than  occurrences that could not reasonably be expected to,
individually or in the aggregate,  have a DOCP Material Adverse Effect; (d) each
DOCP Plan has been  operated in all  material  respects in  accordance  with its
terms and the  requirements  of  applicable  law;  (e) neither DOCP nor any DOCP
Subsidiary has incurred any direct or indirect  liability under,  arising out of
or by operation of Title IV of ERISA in connection  with the  termination of, or
withdrawal from, any DOCP Plan or other  retirement plan or arrangement,  and no
fact or event exists that could  reasonably be expected to give rise to any such
liability,  other than any liability  that could not  reasonably be expected to,
individually or in the aggregate,  have a DOCP Material Adverse Effect;  and (f)
DOCP and the DOCP  Subsidiaries  have not incurred any liability under, and have
complied in all material respects with, the federal Worker Adjustment Retraining
Notification  Act, and no fact or event exists that could give rise to liability
under such act,  other than any liability  that could not reasonably be expected
to,  individually  or in the  aggregate,  have a DOCP Material  Adverse  Effect.
Except  as set  forth  in  Section  3.9 of the  DOCP  Disclosure  Schedule,  the
aggregate  accumulated benefit obligations of each DOCP Plan subject to Title IV
of ERISA (as of the date of the most recent  actuarial  valuation  prepared  for
such DOCP Plan) do not exceed the fair  market  value of the assets of such DOCP
Plan (as of the date of such valuation).

     Section 3.11. Environmental Matters. Except as set forth in Section 3.11 of
the DOCP Disclosure Schedule:

     (a) DOCP and the DOCP Subsidiaries  have not, and, to DOCP's knowledge,  no
other  person  has,  Released,  placed,  stored,  buried or dumped any  material
quantities  of Hazardous  Substances  on,  beneath or adjacent to each  property
owned,  operated or leased by DOCP and the DOCP  Subsidiaries  (the "Property"),
or, to the knowledge of DOCP, any property formerly owned, operated or leased by
DOCP or the  DOCP  Subsidiaries,  except  for  the  presence  of such  Hazardous
Substances as would not have a DOCP Material Adverse Effect.

     (b) Neither DOCP nor any DOCP  Subsidiary  has entered  into any  agreement
that requires them to pay to, reimburse, guarantee, pledge, defend, indemnify or
hold harmless any person for or against any  liabilities  or costs in connection
with any pending or threatened suit,



                                      -14-


<PAGE>



action,  notice,  proceeding or investigation  relating to alleged noncompliance
with, or liability under, Environmental Laws.

     (c) Neither DOCP nor any DOCP Subsidiary has received any written notice or
written order from any Governmental  Entity or private entity advising them that
they are responsible for or potentially  responsible for Cleanup,  or paying for
the cost of Cleanup, of any Hazardous  Substances on or adjacent to the Property
or  at  any  location  containing  Hazardous  Substances   generated,   treated,
transported or stored by DOCP or the DOCP  Subsidiaries  or on behalf of DOCP or
the DOCP Subsidiaries, and neither DOCP nor any DOCP Subsidiary has entered into
any agreements  concerning such Cleanup, nor is DOCP aware of any material facts
which DOCP has  reasonable  grounds to  believe  will give rise to such  notice,
order or agreement.

     (d) As used in this Agreement: "Cleanup" shall mean all actions required to
(i) cleanup,  remove,  treat or remediate Hazardous  Substances in the indoor or
outdoor  environment,  (ii) prevent the Release of Hazardous  Substances so that
they do not migrate,  endanger or threaten to endanger  public health or welfare
or the indoor or outdoor  environment,  (iii) perform  pre-remedial  studies and
investigations  and  post-remedial  monitoring  and care,  (iv)  respond  to any
government requests for information or documents in any way relating to cleanup,
removal,  treatment or remediation or potential cleanup,  removal,  treatment or
remediation of Hazardous  Substances in the indoor or outdoor environment or (v)
any  administrative,  judicial,  or  other  proceedings  related  to the  above;
"Environmental Laws" shall mean all applicable United States federal,  state and
local, and foreign laws, regulations, rules and ordinances relating to pollution
or  protection of the  environment  or human health and safety,  including  laws
relating to Releases or  threatened  Releases of Hazardous  Substances  into the
indoor  or  outdoor   environment   (including   ambient  air,   surface  water,
groundwater,  land,  surface and subsurface strata) or otherwise relating to the
manufacture,   processing,   distribution,  use,  treatment,  storage,  Release,
transport or handling of Hazardous Substances, and all laws and regulations with
regard to  recordkeeping,  notification,  disclosure and reporting  requirements
respecting  Hazardous  Substances,  and  all  laws  relating  to  endangered  or
threatened  species of fish,  wildlife and plants and the  management  or use of
natural  resources;  "Hazardous  Substance" shall mean: (i) any petrochemical or
petroleum products, radioactive materials, asbestos in any form that is or could
become  friable,  urea  formaldehyde  foam  insulation,  transformers  or  other
equipment that contain  dielectric  fluid containing  levels of  polychlorinated
biphenyls and radon gas, (ii) any chemicals,  materials or substances defined as
or included in the definition of: "hazardous  substances,"  "hazardous  wastes,"
"hazardous  materials,"  "restricted hazardous materials,"  "extremely hazardous
substances,"  "toxic  substances,"  "contaminants"  or  "pollutants" or words of
similar meaning and regulatory  effect or (iii) any other chemical,  material or
substance  exposure  to  which  is  prohibited,  limited  or  regulated  by  any
Environmental  Law;  and  "Release"  shall mean any  release,  spill,  emission,
discharge, leaking, pumping, injection, deposit, disposal, discharge, dispersal,
leaching or migration into the indoor or outdoor environment  (including ambient
air, surface water, groundwater and surface or subsurface strata) or into or out
of any property,  including the movement of Hazardous  Substances  through or in
the air, soil, surface water, groundwater or property.

     Section 3.12. [Intentionally omitted.]



                                      -15-


<PAGE>



     Section 3.13.  Transactions with Affiliates.  As of the date hereof, except
as set forth in Section 3.13 of the DOCP Disclosure  Schedule,  (a) there are no
outstanding  amounts  payable to or receivable  from, or advances by DOCP or any
DOCP  Subsidiary  to, and neither  DOCP nor any DOCP  Subsidiary  is otherwise a
creditor of or debtor to, any officer, director,  consultant or employee of DOCP
or any DOCP  Subsidiary and (b) neither DOCP nor any DOCP  Subsidiary is a party
to any transaction,  agreement,  arrangement or understanding  with any officer,
director,  consultant  or employee of DOCP or any DOCP  Subsidiary,  other than,
with  respect to both  clauses (a) and (b),  items  arising out of the  ordinary
course of employment with DOCP or any DOCP Subsidiary.

     Section 3.14. Contracts.  Except as set forth in the DOCP SEC Reports filed
prior to the date hereof,  neither DOCP nor any DOCP Subsidiary is a party to or
bound by (a) any "material contract" (as such term is defined in Item 601(b)(10)
of Regulation  S-K of the SEC), (b) any  non-competition  agreement or any other
agreement or  obligation  which  purports to limit in any  material  respect the
manner in which, or the localities in which,  all or any material portion of the
business  of DOCP and the DOCP  Subsidiaries,  taken as a whole,  is or would be
conducted  or (c) any  contract  or other  agreement  which  would  prohibit  or
materially  delay the  consummation  of the  Merger  or any of the  transactions
contemplated by this Agreement.

     Section 3.15.  Tax Matters.  (a) Each of DOCP and each DOCP  Subsidiary has
filed all tax returns  that it was  required to file or has  obtained  extension
with respect to any unfiled tax  returns.  All such tax returns were correct and
complete  in all  material  respects.  All  taxes  owed by any of DOCP or a DOCP
Subsidiary (whether or not shown on any tax return) have been paid. Neither DOCP
nor any DOCP  Subsidiary  currently is the  beneficiary of any extension of time
within which to file any tax return.

     (b) There is no dispute or claim  concerning  any material tax liability of
any of DOCP or the  DOCP  Subsidiaries  either  (i)  claimed  or  raised  by any
authority  in writing or (ii) as to which any of the  directors  and officers of
DOCP or the DOCP Subsidiaries has knowledge based upon personal contact with any
agent of such authority.

     (c)  None  of DOCP  nor the  DOCP  Subsidiaries  (i) is a party  to any tax
allocation or sharing  agreement,  (ii) has been a member of an affiliated group
(within the meaning of Section 1504(a) of the Code) filing a consolidated income
tax return (other than a group the common parent of which was DOCP) or (iii) has
any liability for the taxes of any person (other than DOCP or a DOCP Subsidiary)
under Treasury  Regulation  Section 1.1502-6  promulgated under the Code (or any
similar  provision  of United  States  state or local,  or  foreign  law),  as a
transferee or successor, by contract, or otherwise.

     (d) The unpaid  taxes of DOCP and the DOCP  Subsidiaries  as of the Closing
Date do not exceed the reserve for tax  liability  (rather  than any reserve for
deferred  taxes  established  to reflect  timing  differences  between  book and
taxable income) set forth in the most recent audited balance sheets contained in
DOCP SEC Reports filed with the SEC prior to the date of this Agreement.



                                      -16-



<PAGE>



     (e) The  United  States  federal  income  tax  returns of DOCP and the DOCP
Subsidiaries have not been audited by the IRS since at least 1987.

     (f)  Neither  DOCP nor any DOCP  Subsidiary  has  filed an  election  under
Section 341(f) of the Code to be treated as a consenting corporation.

     Section 3.16. Opinion of Financial Advisor. The DOCP Board has received the
opinion of Smith Barney Inc.,  dated the date of this  Agreement  (which will be
confirmed  in  writing  as  promptly  as  practicable  after  the  date  of this
Agreement),  to the effect that, as of such date, the cash  consideration  to be
received by the holders of DOCP Shares  (other than CSX, NSC and the  Management
Investor and their respective  affiliates)  pursuant to the Offer and the Merger
is fair to such holders from a financial  point of view, a copy of which opinion
will be delivered to Buyer after receipt thereof by DOCP.

     Section  3.17.  Brokers.  Except as  described  in Section 3.17 of the DOCP
Disclosure  Schedule,  no broker,  finder or investment banker (other than Smith
Barney, Inc.) is entitled to any brokerage,  finder's or other fee or commission
in connection with the transactions  contemplated hereby based upon arrangements
made by or on behalf of DOCP. DOCP has heretofore  furnished to Buyer a complete
and correct copy of all agreements between DOCP and Smith Barney,  Inc. pursuant
to  which  such  firm  would  be  entitled  to  any  payment,  reimbursement  or
indemnification from DOCP or otherwise relating to the transactions contemplated
hereby.

     Section 3.18. Information Supplied.  None of the information supplied or to
be supplied by DOCP for inclusion or  incorporation by reference in the Schedule
14D-1  or the  Schedule  13E-3  will,  at the  date  such  documents  are  first
published,  sent or delivered to shareholders or, unless promptly corrected,  at
any time during the  pendency of the Offer,  contain any untrue  statement  of a
material fact or omit to state any material  fact required to be stated  therein
or necessary to make the statements therein not misleading. Neither the Schedule
14D-9  at the date  such  document  is first  published,  sent or  delivered  to
shareholders or, unless promptly  corrected,  at any time during the pendency of
the Offer,  nor the Proxy Statement (if applicable) at the date such document is
first  published,   sent  or  delivered  to  shareholders  or,  unless  promptly
corrected,  at any time during the pendency of the Merger  Meeting,  contain any
untrue  statement of a material fact or omit to state any material fact required
to be stated  therein or necessary in order to make the statements  therein,  in
light of the  circumstances  under  which  they are made,  not  misleading.  The
Schedule 14D-9 and the Proxy Statement (if applicable) will comply as to form in
all material respects with the requirements of the Exchange Act. Notwithstanding
the  foregoing,  no  representation  or warranty is made by DOCP with respect to
statements  made or  incorporated  by  reference  therein  based on  information
supplied by LLC,  Buyer,  CSX, NSC or the  Management  Investor  (acting in such
capacity)  for inclusion or  incorporation  by reference in any of the foregoing
documents.

     Section 3.19. State Takeover  Statutes.  DOCP and the DOCP Board have taken
all action  necessary or advisable so as to render  inoperative  with respect to
the transactions  contemplated  hereby  (including the Offer and the Merger) all
applicable state anti-takeover



                                      -17-


<PAGE>



statutes and all  anti-takeover  provisions of the  organizational  documents of
DOCP and each DOCP Subsidiary. Without limiting the generality of the foregoing,
DOCP and the DOCP Board have taken all  actions  necessary  to exempt all future
transactions  contemplated  by  this  Agreement  (including  the  Offer  and the
Merger),  on the one hand,  and each of the other  parties and their  respective
"affiliates"  and  "associates"  (each as defined in Section 912 of the New York
Law), on the other hand, from the provisions of such Section 912 of the New York
Law.


                                   ARTICLE IV

                REPRESENTATIONS AND WARRANTIES OF BUYER, CSX, NSC
                           AND THE MANAGEMENT INVESTOR

     Each of LLC,  Buyer,  CSX,  NSC and the  Management  Investor  (except,  as
regards the Management Investor,  with respect to Section 4.1) hereby represents
and warrants (or, in the cases of LLC and Buyer, will be deemed to represent and
warrant upon their  respective  formations)  to each of the other parties hereto
that:

     Section 4.1. Organization and Qualification.  Such person is a corporation,
duly  incorporated,  validly existing and in good standing under the laws of the
jurisdiction of its  incorporation  or organization  and has the requisite power
and authority and all necessary governmental approvals to own, lease and operate
its properties and to carry on its business as it is now being conducted, except
where the failure to be so  organized,  existing or in good  standing or to have
such  power,  authority  and  governmental  approvals  could not  reasonably  be
expected to, individually or in the aggregate, have a material adverse effect on
the ability of such party to consummate the transactions  contemplated hereby (a
"Buyer  Material  Adverse  Effect").  Such  person  is not in  violation  of any
provision  of  its   certificate   of   incorporation,   bylaws  or   equivalent
organizational documents.

     Section  4.2.  Authority  Relative to This  Agreement.  Such person has all
necessary power and authority to execute and deliver this Agreement,  to perform
its  obligations  hereunder  and to  consummate  the  transactions  contemplated
hereby.  The  execution  and  delivery of this  Agreement by such person and the
consummation by such person of the  transactions  contemplated  hereby have been
duly and validly  authorized by all necessary  corporate action (and in the case
of the  Management  Investor,  all  necessary  action)  and no  other  corporate
proceedings  on the part of such  person  (and,  in the  case of the  Management
Investor,  no other proceedings) are necessary to authorize this Agreement or to
consummate  the  transactions  contemplated  hereby  (other  than the filing and
recordation  of appropriate  merger  documents as required by the New York Law).
This Agreement has been duly and validly  executed and delivered by such person,
and, assuming the due authorization, execution and delivery by the other parties
hereto,  constitutes  the legal,  valid and binding  obligation  of such person,
enforceable against such person in accordance with its terms.

     Section 4.3. No Conflict;  Required Filings and Consents. (a) The execution
and delivery of this  Agreement by such person do not,  and the  performance  of
this Agreement and the transactions contemplated hereby by such person, will not
(i) other than with respect to the



                                      -18-



<PAGE>



Management  Investor,  conflict with or violate the certificate of incorporation
or bylaws or equivalent  organizational  documents of such person, (ii) conflict
with or violate any law, rule, regulation,  order, judgment or decree applicable
to such  person or by which  any  property  or asset of such  person is bound or
affected or (iii)  result in any breach of or  constitute a default (or an event
which,  with  notice or lapse of time or both,  would  become a default)  under,
result in the loss of a  material  benefit  under or give to others any right of
termination, amendment, acceleration,  increased payments or cancellation of, or
result in the creation of a lien or other  encumbrance  on any property or asset
of such person  pursuant  to, any note,  bond,  mortgage,  indenture,  contract,
agreement,  lease,  license,  permit,  franchise  or  any  other  instrument  or
obligation  to which  such  person  is a party or by which  such  person  or any
property  or asset of such  person is bound or  affected,  except in the case of
clauses (ii) and (iii), for any such conflicts,  violations,  breaches, defaults
or other occurrences as could not reasonably be expected to,  individually or in
the aggregate, have a Buyer Material Adverse Effect.

     (b) The execution and delivery of this Agreement by such person do not, and
the  performance  of this  Agreement and the  consummation  of the  transactions
contemplated  hereby by such person will not,  require  any  consent,  approval,
authorization  or permit of, or filing with or notification to, any Governmental
Entity,  except (i) for (A) applicable  disclosures,  if any, under the Exchange
Act,  (B) the  requirements  of the HSR Act, if  applicable,  and (C) filing and
recordation of appropriate  merger and similar  documents as required by the New
York  Law  and  (ii)  where   failure  to  obtain  such   consents,   approvals,
authorizations or permits,  or to make such filings or notifications,  could not
reasonably  be  expected  to,  individually  or in the  aggregate,  have a Buyer
Material Adverse Effect.

     Section 4.4. Information  Supplied.  None of the information supplied or to
be supplied by such person for  inclusion or  incorporation  by reference in the
Schedule  14D-9 or the Proxy  Statement (if  applicable)  will, at the date such
documents  are first  published,  sent or delivered to  shareholders  or, unless
promptly  corrected,  at any time during the pendency of the Offer,  contain any
untrue  statement of a material fact required to be stated  therein or necessary
to make the statements  therein not  misleading.  None of the Schedule 14D-1 nor
the Schedule 13E-3 will, at the date such document is first  published,  sent or
delivered to shareholders or, unless promptly corrected,  at any time during the
pendency of the Offer,  contain any untrue  statement of a material fact or omit
to state any material fact  required to be stated  therein or necessary in order
to make the statements  therein,  in light of the circumstances under which they
are made, not misleading.  The Schedule 14D-1 and the Schedule 13E-3 will comply
as to form in all material  respects with the  requirements  of the Exchange Act
and the rules and  regulations  thereunder.  Notwithstanding  the foregoing,  no
representation  or warranty is made by such  person with  respect to  statements
made or incorporated by reference therein based on information  supplied by DOCP
for inclusion or incorporation by reference in any of the foregoing documents.

     Section 4.5. Brokers. No broker, finder or investment banker is entitled to
any  brokerage,  finder's  or other fee or  commission  in  connection  with the
transactions contemplated hereby based upon arrangements made by or on behalf of
such person.



                                      -19-


<PAGE>



                                    ARTICLE V

                  COVENANTS RELATING TO THE CONDUCT OF BUSINESS


     Section 5.1. Conduct of Business by DOCP Pending the Merger.  Except as set
forth in this  Agreement  or in  Section  5.1 of the DOCP  Disclosure  Schedule,
during the period from the date of this Agreement to the Effective  Time,  other
than with LLC's prior written consent,  DOCP and each DOCP Subsidiary shall not,
voluntarily  or  involuntarily,  (a) take any action,  regulatory  or otherwise,
inconsistent  with  facilitating  consummation of the transactions  contemplated
hereby or (b) take any of the following actions:

          (i) conduct  its  business  in any manner  other than in the  ordinary
     course of business  consistent  with past practice and in compliance in all
     material  respects with all applicable  laws and  regulations,  and, to the
     extent consistent  therewith,  shall not fail to use all reasonable efforts
     to preserve  intact their current  business  organizations,  use reasonable
     efforts to keep available the services of their current  officers and other
     key  employees  as a group and  preserve  their  relationships  with  those
     persons having  business  dealings with them to the end that their goodwill
     and ongoing businesses shall be unimpaired at the Effective Time;

          (ii)  adopt,  propose or agree to any  amendment  to its  articles  of
     incorporation, laws or other comparable organizational documents;

          (iii) issue,  deliver,  sell,  pledge,  or otherwise  encumber (A) any
     shares of  DOCP's or any DOCP  Subsidiary's  capital  stock or any  rights,
     warrants or options to acquire any such shares  (other than the issuance of
     DOCP  Shares in  connection  with the  exercise  of DOCP  Stock  Options or
     Warrants  outstanding  as of the date of this  Agreement  and in accordance
     with the terms of such DOCP Stock Options or the Warrants,  as the case may
     be, or upon  conversion  of the  Convertible  Debt in  accordance  with its
     terms,  in each case,  in effect on the date of this  Agreement) or (B) any
     material assets or properties;

          (iv) other than  dividends and  distributions  (including  liquidating
     distributions)  by a direct or indirect wholly owned  subsidiary of DOCP to
     its  parent,  (A)  declare,  set aside,  make or pay any  dividend or other
     distribution,  payable in cash, stock, property or otherwise, in respect of
     any  capital  stock  or (B)  subdivide,  reclassify,  recapitalize,  split,
     combine  or  exchange  any  shares  of  capital  stock  of DOCP or any DOCP
     Subsidiary;  (C) issue or authorize the issuance of any other securities in
     respect of, in lieu of or in  substitution  for shares of capital  stock of
     DOCP or any DOCP Subsidiary;  (D) purchase, redeem or otherwise acquire any
     capital  stock  of DOCP or any  DOCP  Subsidiary  or any  other  securities
     thereof,  or any rights,  warrants or options to acquire any such shares or
     other securities;

          (v) (A) incur any  indebtedness  for borrowed  money or guarantee  any
     such  indebtedness of another person,  issue or sell any debt securities or
     warrants or other rights



                                      -20-


<PAGE>



     to acquire any debt  securities of DOCP or any DOCP  Subsidiary,  guarantee
     any debt securities of another person,  enter into any "keep well" or other
     agreement to maintain any financial  statement condition of another person,
     or enter  into any  arrangement  having the  economic  effect of any of the
     foregoing, except for short-term borrowings incurred in the ordinary course
     of  business  consistent  with  past  practice  and  pursuant  to  existing
     agreements, or (B) make any loans, advances or capital contributions to, or
     investments  in,  any  other  person,  other  than  to  DOCP  or  any  DOCP
     Subsidiary;

          (vi)  except  for  expenditures  made  under the DOCP  capital  budget
     described in DOCP SEC Reports filed prior to the date hereof, make or agree
     to make any new  capital  expenditure  or new  capital  expenditures  which
     individually  is in excess of $50,000 or in the  aggregate  is in excess of
     $100,000;

          (vii)  increase the  compensation  payable or to become payable to its
     executive  officers,   employees  or  consultants,   or  grant  any  bonus,
     incentive,  severance or termination  pay to, or enter into any commission,
     bonus,  incentive,  employment or severance  agreement  with, any director,
     executive  officer  or  consultant  of it or any of  its  subsidiaries,  or
     establish,  adopt,  enter  into or amend in any  material  respect  or take
     action to accelerate any rights or benefits under any collective bargaining
     agreement or any DOCP Plan, agreement or policy;

          (viii)  make any  change  to its  accounting  methods,  principles  or
     practices,  except as may be required by general  accounting  principles or
     take any other  action,  other  than  reasonable  and usual  actions in the
     ordinary course of business and consistent with past practice, with respect
     to accounting policies or procedures (including tax accounting policies and
     procedures);

          (ix) make any  material  tax  election  or settle  or  compromise  any
     material income tax liability;

          (x) enter into,  modify,  amend or terminate  any  material  contract,
     agreement, right or privilege involving the assets or properties of DOCP or
     to which  DOCP or any DOCP  Subsidiary  is a party,  or waive,  release  or
     assign any material rights or claims thereunder;

          (xi) acquire by merger or consolidation,  or by purchase of assets, or
     by any other manner, any business;

          (xii) mortgage or otherwise encumber or subject to any lien any of its
     properties or assets;

          (xiii)  pay,  discharge,   settle  or  satisfy  any  material  claims,
     liabilities  or  obligations  (whether  absolute,   accrued,   asserted  or
     unasserted,  contingent or otherwise),  other than the payment,  discharge,
     settlement or  satisfaction  of such claims,  liabilities or obligations in
     the  ordinary  course  of  business  consistent  with past  practice  or in
     accordance with their terms;



                                      -21-


<PAGE>



          (xiv)  (A)  enter  into any  agreement  containing  any  provision  or
     covenant  limiting in any material  respect the ability to compete with any
     person  which  would bind any party  hereto (or its  operations)  after the
     Effective  Time  or (B)  except  to the  extent  required  by any  existing
     contract  or  agreement  disclosed  in Section  5.1 of the DOCP  Disclosure
     Schedule, acquire any interest in any railroad line or terminal facility or
     dispose of any interest in any railroad  line or terminal  facility  owned,
     used or operated by DOCP or any DOCP Subsidiary  (including through a grant
     of concessions or trackage rights); or

          (xv)  authorize  or  commit  or  agree  to take  any of the  foregoing
     actions.

     Section 5.2. Other Actions. DOCP shall not, and shall not permit any of the
DOCP  Subsidiaries  to, take any action that would, or that could  reasonably be
expected to, result in (a) any of the representations and warranties of DOCP set
forth in this Agreement that are qualified as to  materiality  becoming  untrue,
(b)  any of such  representations  and  warranties  that  are  not so  qualified
becoming untrue in any material respect or (c) except as otherwise  permitted by
Section 6.2, any of the  conditions  to the Offer set forth in Annex I or any of
the conditions to the Merger set forth in Article VII not being satisfied.


                                   ARTICLE VI

                              ADDITIONAL COVENANTS


     Section  6.1.  Access to  Information;  Confidentiality.  (a) From the date
hereof through the Effective Time (subject to applicable  law),  DOCP shall (and
shall cause its subsidiaries and officers,  directors,  employees,  auditors and
agents  to)  afford  the  officers,  employees  and  agents of each of the other
parties   hereto   and   its   respective    subsidiaries    (the    "Respective
Representatives")  reasonable  access at all  reasonable  times to its officers,
employees,  agents, properties,  offices, plants and other facilities, books and
records,  and shall furnish such Respective  Representatives with all financial,
operating and other data and  information  as may be reasonably  requested.  All
such  information  obtained  will be  subject to the  following  confidentiality
arrangements between DOCP and each of the other parties hereto:

          (i)  None  of  the  parties   hereto  nor  any  of  their   Respective
     Representatives  shall disclose any Confidential  Information to any person
     without  the  consent  of the other  parties,  other  than (A) to the other
     parties  hereto or their  Respective  Representatives  and their  officers,
     directors,  partners,  employees,  agents and advisors,  and then only on a
     confidential  basis,  or (B) as required by any law,  rule or regulation or
     judicial  process,  provided  that such party shall,  unless  prohibited by
     applicable  law or regulation  or court order,  give notice to the party of
     such requirement to disclose Confidential Information, and, if practicable,
     such notice  shall be given prior to such  disclosure,  provided,  however,
     that the failure to give such notice shall not prohibit such disclosure.

          (ii)  "Confidential  Information"  means information  furnished by the
     parties  hereto to one another  designated  as  confidential,  but does not
     include any such information that is or becomes generally  available to the
     public other than as a result of a breach by any of



                                      -22-


<PAGE>



     the parties  hereto of their  obligations  hereunder  or that is or becomes
     available  to a party  hereunder  from a source other than any of the other
     parties  hereunder  that is not,  to the  best of such  party's  knowledge,
     acting in violation of a confidentiality  agreement with any of the parties
     hereto.

     (b)  No   investigation   pursuant  to  this   Section   shall  affect  any
representation  or  warranty  in  this  Agreement  of any  party  hereto  or any
condition to the obligations of the parties hereto.

     Section 6.2. No Solicitation.  DOCP shall not, nor shall it permit any DOCP
Subsidiary, or its or any DOCP Subsidiary officers, directors, employees, agents
or  representatives  (including,  without  limitation,  any  investment  banker,
attorney  or  accountant)  to,  initiate,  solicit  or  encourage,  directly  or
indirectly,  any  inquiries  or the making of any  proposal  with  respect to an
Alternative  Transaction,  engage in any discussions or negotiations concerning,
or provide to any other  person any  information  or data  relating to it or any
DOCP  Subsidiary for the purposes of, or otherwise  cooperate in any way with or
assist or participate in,  facilitate or encourage,  any inquiries or the making
of any proposal which  constitutes,  or may reasonably be expected to lead to, a
proposal to seek or effect an  Alternative  Transaction,  or agree to or endorse
any Alternative Transaction;  provided,  however, that nothing contained in this
Section shall  prohibit DOCP or the DOCP Board from taking and disclosing to its
shareholders  a position as required by Exchange  Act Rule 14e-2;  and  provided
further that, prior to acceptance for payment of any DOCP Shares pursuant to the
Offer,  the DOCP Board,  on behalf of DOCP,  may, in response to an unsolicited,
bona fide Superior Proposal, furnish information or data (including confidential
information or data) relating to DOCP and  participate  in  negotiations  with a
person making such  unsolicited  Superior  Proposal,  but only after such person
enters  into  arrangements  regarding  confidentiality  on  terms  at  least  as
favorable to DOCP as the confidentiality  arrangements contained herein and only
in the event that (a) the DOCP Board  determines in good faith,  on the basis of
advice of independent counsel furnished prior thereto to Buyer, that such action
is legally required by the fiduciary  obligations of the DOCP Board and (b) DOCP
advises  Buyer  of its  intention  to make  such  determination  to do so  prior
thereto.  DOCP shall promptly advise Buyer of, and communicate the terms of, any
proposal respecting an Alternative  Transaction it may receive, or any inquiries
it receives which may reasonably be expected to lead to a proposal respecting an
Alternative  Transaction,  and the identity of the person making such  proposal.
Prior to taking any such  action,  if DOCP  intends to  participate  in any such
discussion or  negotiation  or provide any such  information or data to any such
third party,  it shall give  reasonable  notice to Buyer and shall consult,  and
thereafter shall continue to consult, with Buyer. Notwithstanding the foregoing,
nothing in this  Section 6.2 shall (a) permit  DOCP to enter into any  agreement
with respect to or to facilitate an Alternative  Transaction  during the term of
this Agreement (it being understood that DOCP shall not enter into any agreement
with any person that provides for, or in any way facilitates, the development of
a  proposal  for  an  Alternative  Transaction,  other  than  a  confidentiality
agreement  in  customary  form in respect of a Superior  Proposal  as  described
above)  or (b)  affect  any  other  obligation  of DOCP  under  this  Agreement.
"Alternative  Transaction" means a transaction or series of related transactions
resulting in (a) any change of control of DOCP, (b) any merger or  consolidation
of DOCP in which another  person  acquires 25% or more of the  aggregate  voting
power of all voting securities of it or the surviving corporation, as the



                                      -23-


<PAGE>



case may be, (c) any tender offer or exchange offer for, or any acquisitions of,
any  securities of DOCP which,  if  consummated,  would result in another person
owning 25% or more of the aggregate voting power of all voting  securities of it
or  (d)  any  sale  or  other  disposition  of  assets  of  DOCP  or  any of its
subsidiaries  if the  Fair  Market  Value  of  such  assets  exceeds  25% of the
aggregate  Fair  Market  Value of the  assets of DOCP and all DOCP  Subsidiaries
taken as a whole before  giving  effect to such sale or other  disposition.  The
"Fair Market Value" of any assets or  securities  means the fair market value of
such  assets or  securities,  as  determined  by the DOCP  Board in good  faith.
"Superior  Proposal"  means a bona fide  proposal  made by a third  party for an
Alternative  Transaction  on terms which the DOCP Board  determines  in its good
faith  judgment to be more favorable to DOCP's  shareholders  than the Offer and
the Merger and for which financing, to the extent required, is then committed or
which,  in the good faith judgment of the DOCP Board,  is reasonably  capable of
being obtained by such third party.

     Section 6.3.  Indemnification,  Exculpation and Insurance.  (a) Buyer, CSX,
NSC and the  Management  Investor agree that all rights to  indemnification  and
exculpation from liabilities for acts or omissions  occurring at or prior to the
Effective  Time now  existing  in favor of the  current or former  directors  or
officers  of DOCP  and the DOCP  Subsidiaries  (collectively,  the  "Indemnified
Parties"),  as provided in their  respective  certificates of  incorporation  or
bylaws  (or  comparable   organizational   documents)  and  any  indemnification
agreements of DOCP,  the existence of which does not constitute a breach of this
Agreement,  shall be assumed by the Surviving  Corporation in the Merger without
further action as of the Effective  Time, and shall survive the Merger and shall
continue in full force and effect in accordance with their respective terms.

     (b) For a period  of one year  after  the  Effective  Time,  the  Surviving
Corporation  shall  cause to be  maintained  in effect the  current  policies of
directors' and officers' liability  insurance  maintained by DOCP (provided that
the Surviving  Corporation may substitute therefor policies of at least the same
coverage  and  amounts  containing  terms  and  conditions  which  are,  in  the
aggregate, not less advantageous to such officers and directors) with respect to
claims  arising from facts or events which occurred  before the Effective  Time;
provided,  however, that in no event shall the Surviving Corporation be required
to expend  pursuant to this Section 6.3 more than an amount equal to 150% of the
current annualized premiums paid by DOCP for such insurance (which premiums DOCP
represents and warrants to be approximately  $100,000 for 1997, in the aggregate
on an annualized basis).

     Section 6.4. Notification of Certain Matters. DOCP shall give prompt notice
to Buyer, and Buyer shall give prompt notice to DOCP, of (a) the occurrence,  or
non-occurrence,  of any event the occurrence, or non-occurrence,  of which would
be  likely  to  cause  (i) any  representation  or  warranty  contained  in this
Agreement  to be  untrue  or  inaccurate  or (ii)  any  covenant,  condition  or
agreement  contained in this  Agreement not to be complied with or satisfied and
(b) any failure of DOCP or Buyer,  as the case may be, to comply with or satisfy
any  covenant,  condition or  agreement  to be complied  with or satisfied by it
hereunder;  provided,  however, that the delivery of any notice pursuant to this
Section 6.4 shall not limit or otherwise affect the remedies available hereunder
to the party receiving such notice.



                                      -24-


<PAGE>



     Section 6.5. Further Action;  Best Efforts.  (a) Upon the terms and subject
to the conditions hereof, each of the parties hereto shall (i) make promptly its
respective filings,  and thereafter make any other required  submissions,  under
any applicable  laws with respect to the  transactions  contemplated  hereby and
shall not make any filing or  submission,  or take any  position,  in connection
with regulatory authorities (in respect of the transactions  contemplated hereby
or otherwise)  without the consent of the Management  Investor,  CSX and NSC and
(ii) use its best efforts to take, or cause to be taken, all appropriate action,
and to do, or cause to be done, all things necessary,  proper or advisable under
applicable  laws and  regulations  or otherwise to consummate and make effective
the transactions contemplated hereby.

     (b) In connection  with, and without  limiting the  foregoing,  each of the
parties  hereto  shall (i) take all  actions  necessary  to ensure that no state
anti-takeover  statute or similar statute or regulation is or becomes  operative
with respect to this Agreement,  the Offer, the Merger or any other  transaction
contemplated  by this Agreement and (ii) if any state  anti-takeover  statute or
similar  statute or  regulation  is or becomes  operative  with  respect to this
Agreement,  the Offer, the Merger or any other transaction  contemplated by this
Agreement,  take all actions necessary to ensure that this Agreement, the Offer,
the Merger and any other  transactions  contemplated  by this  Agreement  may be
consummated  as  promptly  as  practicable  on the  terms  contemplated  by this
Agreement  and otherwise to minimize the effect of such statute or regulation on
the Merger, the Offer and the other transactions contemplated by this Agreement.

     Section 6.6.  Public  Announcements.  The parties hereto shall consult with
each other  before  issuing  any press  release or  otherwise  making any public
statements  with  respect to this  Agreement  or the  transactions  contemplated
hereby,  and  shall not issue any such  press  release  or make any such  public
statement  without the prior consent of the other  parties,  which consent shall
not be unreasonably withheld;  provided,  however, that a party may, without the
prior consent of the other parties, issue such press release or make such public
statement as may be required by law or any listing  agreement or  arrangement to
which  such party is bound with a  national  securities  exchange  or The Nasdaq
Stock Market if it has used reasonable efforts to consult with the other parties
and to obtain  such  parties'  consent  but has been unable to do so in a timely
manner.

     Section  6.7.  Conveyance  Taxes.  Buyer and DOCP  shall  cooperate  in the
preparation, execution and filing of all returns, questionnaires,  applications,
or other documents  regarding any real property  transfer or gains,  sales, use,
transfer, value added, stock transfer and stamp taxes, any transfer,  recording,
registration  and other fees,  and any similar  taxes  which  become  payable in
connection  with the  transactions  contemplated  hereby  that are  required  or
permitted to be filed on or before the Effective Time.



                                      -25-


<PAGE>



                                   ARTICLE VII

                               CLOSING CONDITIONS


     Section 7.1.  Conditions to Obligations of Each Party to Effect the Merger.
The respective  obligations of each of DOCP and Buyer to effect the Merger shall
be subject to the  satisfaction or waiver of the following  conditions  prior to
the Effective Time:

          (a)  Shareholder  Approval.  If  required  by the New York  Law,  this
     Agreement  and the  Merger  shall  have been  approved  and  adopted by the
     requisite vote of DOCP shareholders.

          (b) No Order. No Governmental Entity or United States federal or state
     court of competent  jurisdiction shall have enacted,  issued,  promulgated,
     enforced or entered any statute, rule, regulation, executive order, decree,
     injunction or other order  (whether  temporary,  preliminary  or permanent)
     which is in effect and which  materially  restricts,  prevents or prohibits
     consummation of the transactions  contemplated hereby;  provided,  however,
     that the  parties  shall use  their  reasonable  efforts  to cause any such
     decree, judgment, injunction or other order to be vacated or lifted.

          (c) Other  Approvals.  Other  than the filing of Merger  documents  in
     accordance with the New York Law, all  authorizations,  consents,  waivers,
     orders or approvals  required to be obtained,  and all filings,  notices or
     declarations required to be made, by any of the parties hereto prior to the
     consummation  of the Merger,  shall have been obtained from, and made with,
     all  required  Governmental  Entities,   except  for  such  authorizations,
     consents, waivers, orders, approvals,  filings, notices or declarations the
     failure  to obtain or make  which  would not have a DOCP  Material  Adverse
     Effect or a Buyer Material Adverse Effect.

     Section 7.2. Conditions to Obligations of DOCP to Effect the Merger.  Prior
to consummation of the Offer, the obligations of DOCP to effect the Merger shall
be subject to the  satisfaction or waiver of the following  conditions  prior to
the Effective Time:

          (a)  Compliance.  None  of  LLC,  Buyer,  CSX,  NSC or the  Management
     Investor  shall  have  breached  or failed to  observe  or  perform  in any
     material  respect  any of its  covenants  or  agreements  in  favor of DOCP
     hereunder to be performed by it at or prior to the Effective  Time, and the
     representations  and warranties of LLC, Buyer,  CSX, NSC and the Management
     Investor set forth herein shall be true and accurate  both when made and at
     and as of the Effective  Time, as if made at and as of such time (except to
     the extent  expressly  made as of an earlier date, in which case as of such
     date),  except  where the breach or  failure  to  observe  or perform  such
     covenants  and  agreements,  or the  failure  of such  representations  and
     warranties  to be so  true  and  correct  (without  giving  effect  to  any
     limitation  as to  "materiality"  or "material  adverse  effect" or similar
     language set forth therein),  does not, and is not likely to,  individually
     or in the aggregate, prevent consummation of the Merger.



                                      -26-


<PAGE>


     Section 7.3.  Conditions to Obligations of Buyer to Effect the Merger.  The
obligations  of Buyer to effect the Merger shall be subject to the  satisfaction
or waiver of the following conditions prior to the Effective Time:

          (a)  Compliance.  DOCP shall not have breached or failed to observe or
     perform  in  any  material  respect  any  of its  covenants  or  agreements
     hereunder to be performed by it at or prior to the Effective  Time, and the
     representations  and  warranties of DOCP set forth herein shall be true and
     accurate both when made and at and as of the Effective  Time, as if made at
     and as of such time (except to the extent  expressly  made as of an earlier
     date, in which case as of such date), except where the breach or failure to
     observe or perform such  covenants and  agreements,  or the failure of such
     representations  and warranties to be so true and correct  (without  giving
     effect to any limitation as to "materiality"  or "material  adverse effect"
     or similar language set forth therein), does not have, and is not likely to
     have, individually or in the aggregate, a DOCP Material Adverse Effect or a
     Buyer Material Adverse Effect.

          (b) No  Material  Adverse  Change.  At any time after the date of this
     Agreement, there shall not have occurred any DOCP Material Adverse Effect.

     Section 7.4. Frustration of Closing Conditions. No party hereto may rely on
the failure of any  condition  set forth in this Article to be satisfied if such
failure  was  caused  by such  party's  failure  to use  reasonable  efforts  to
consummate the transactions contemplated by this Agreement.


                                  ARTICLE VIII

                        TERMINATION, AMENDMENT AND WAIVER


     Section 8.1.  Termination.  This  Agreement  may be  terminated at any time
prior to the Effective  Time, in the case of Buyer,  or prior to the purchase of
DOCP  Shares  under  the  Offer,  in the case of DOCP,  whether  before or after
approval of this Agreement and the Merger by the shareholders of DOCP:

          (a) by mutual consent of DOCP and Buyer;

          (b) (i) by Buyer upon a breach of any  covenant  or  agreement  on the
     part of DOCP set forth in this  Agreement  which has not been cured,  or if
     any  representation or warranty of DOCP shall have become untrue, in either
     case,  such that such breach or untruth is  incapable of being cured within
     30 days  after the  giving  of  written  notice  to DOCP of such  breach or
     untruth, provided that such breach or untruth is material and that Buyer is
     not then in material  breach of this Agreement or (ii) by DOCP in the event
     of a breach of any representation, warranty, agreement or covenant of Buyer
     set forth in this  Agreement,  in any case,  such that such  breach has not
     been cured  within 30 days  after the giving of written  notice to Buyer of
     such  breach  or  untruth  and will  prevent  consummation  of the  Merger,
     provided that DOCP is not then in material breach of this Agreement;



                                      -27-


<PAGE>

          (c) by either Buyer or DOCP, if any permanent  injunction or action by
     any  Governmental  Entity  preventing the  consummation of the Merger shall
     have become final and  nonappealable,  provided  that the party  seeking to
     terminate  this  Agreement  pursuant to this clause (c) shall have used all
     reasonable  efforts to prevent  the entry of and to remove  such  permanent
     injunction or action;

          (d) by  either  Buyer or  DOCP,  if the  Merger  shall  not have  been
     consummated before June 30, 1998, provided that the right to terminate this
     Agreement  pursuant to this clause (d) shall not be  available to any party
     whose failure to perform any of its  obligations  hereunder  results in the
     failure of the Merger to be consummated by such date;

          (e) by Buyer  (i) if the DOCP  Board or any  committee  thereof  shall
     withdraw, modify or change its recommendation so that it is not in favor of
     this  Agreement,  the Offer or the  Merger (or make any  recommendation  in
     favor of an  Alternative  Transaction)  or shall have resolved to do any of
     the  foregoing  or (ii)  if DOCP  shall  take  any  action  that  would  be
     proscribed  by  Section  6.2 of  this  Agreement  but  for  the  exceptions
     contained in the provisions thereof; or

          (f) by Buyer if the DOCP  Board or any  committee  thereof  shall have
     approved or entered  into an agreement  respecting  a Superior  Proposal or
     recommended  or  resolved  to  recommend  to its  shareholders  a  Superior
     Proposal,  or by DOCP in  connection  with the DOCP Board or any  committee
     thereof  approving  or entering  into an  agreement  respecting  a Superior
     Proposal,  provided  that,  in the  case of any such  termination  by DOCP,
     simultaneously with such termination,  DOCP complies with Section 8.5(b) of
     this  Agreement  and prior  thereto has  complied  with Section 6.2 of this
     Agreement and provided,  further, that the party seeking to terminate under
     this clause (f) is not then in material breach of this Agreement.

The right of any party  hereto to  terminate  this  Agreement  pursuant  to this
Section shall remain  operative  and in full force and effect  regardless of any
investigation  made by or on behalf of any party hereto,  any person controlling
any such party, or any of their respective officers or directors,  whether prior
to or after the execution of this Agreement.

     Section 8.2.  Effect of  Termination.  Except as provided in Section 8.5 or
Section  9.1,  in the event of the  termination  of this  Agreement  pursuant to
Section 8.1,  this  Agreement  shall  forthwith  become void,  there shall be no
liability on the part of any party hereto,  or any of their respective  officers
or directors,  to the other and all rights and  obligations  of any party hereto
shall cease; provided, however, that nothing herein shall relieve any party from
liability  for the  willful  breach of any of its  representations,  warranties,
covenants or agreements set forth in this Agreement.

     Section 8.3. Amendment. This Agreement may be amended by the parties hereto
at any time prior to the Effective Time; provided, however, that, after approval
of this  Agreement  and the Merger by the  shareholders  of DOCP,  no amendment,
which  under  applicable  law  may  not be  made  without  the  approval  of the
shareholders of DOCP, may be made without such



                                      -28-


<PAGE>



approval.  This  Agreement may not be amended except by an instrument in writing
signed by the parties hereto.

     Section 8.4.  Waiver.  At any time prior to the Effective  Time,  any party
hereto may (a) extend the time for the  performance of any of the obligations or
other  acts of the  other  party  hereto,  (b)  waive  any  inaccuracies  in the
representations  and  warranties of the other party  contained  herein or in any
document  delivered  pursuant hereto or (c) waive  compliance by the other party
with any of the agreements or conditions contained herein. Any such extension or
waiver shall be valid only if set forth in an  instrument  in writing  signed by
the party or parties to be bound thereby.

     Section 8.5.  Fees,  Expenses and Other  Payments.  (a) Except as otherwise
provided  in  this  Agreement,  all  costs  and  expenses,   including,  without
limitation,   fees  and  disbursements  of  counsel,   financial   advisors  and
accountants,  incurred by the parties  hereto shall be borne solely and entirely
by the party which has incurred  such costs and expenses  (with  respect to such
party,  its  "Expenses");  provided  that,  except in the event that the payment
provided in Section 8.5(b) becomes  payable,  if DOCP breaches any material term
of this  Agreement or if the Merger is not  consummated,  and this  Agreement is
thereafter terminated,  and within one year of the date of such termination DOCP
enters into an agreement respecting an Alternative  Transaction,  DOCP shall pay
the  reasonable  fees and  expenses of one firm of legal  counsel  advising  the
Management  Investor,  up to  $50,000,  plus 50% of any such  fees in  excess of
$50,000,  for the  benefit of the  Management  Investor in  connection  with the
transactions contemplated hereby.

     (b) If (i) this Agreement  shall be terminated by Buyer pursuant to Section
8.1(e) or by Buyer or DOCP  pursuant  to Section  8.1(f),  or (ii) (A) after the
date of this  Agreement  any person or "group"  (within  the  meaning of Section
13(d)(3) of the Exchange  Act) shall have  publicly made a proposal with respect
to an Alternative  Transaction,  (B) the Offer shall have remained open until at
least the scheduled expiration date immediately following the date such proposal
is made,  (C) the  Minimum  Condition  shall  not  have  been  satisfied  at the
expiration of the Offer and (D) this  Agreement  shall  thereafter be terminated
pursuant to Section  8.1(d),  then DOCP shall pay to Buyer  $3,000,000  plus all
Expenses  of  Buyer,  CSX,  NSC and  the  Management  Investor  as  promptly  as
practicable  but not later  than two  business  days after  termination  of this
Agreement (unless required simultaneously with termination under Section 8.1(f))
by wire  transfer of  immediately  available  funds to an account  designated by
Buyer.


                                   ARTICLE IX

                               GENERAL PROVISIONS


     Section 9.1.  Effectiveness of Representations,  Warranties and Agreements.
(a) Except as set forth in Section 9.1(b), the  representations,  warranties and
agreements  of each party hereto shall  remain  operative  and in full force and
effect,  regardless of any investigation made by or on behalf of any other party
hereto,  any  person  controlling  any such  party  or any of  their  respective
officers  or  directors,  whether  prior  to or  after  the  execution  of  this
Agreement.



                                      -29-


<PAGE>



     (b) The representations,  warranties and agreements in this Agreement shall
terminate  at the  Effective  Time or upon  the  termination  of this  Agreement
pursuant to Article VIII, except that the agreements set forth in Articles I, II
and IX, and Section 6.3 shall survive the Effective  Time and those set forth in
Sections 6.1(a), 8.2 and 8.5, and Article IX shall survive termination.

     Section 9.2. Notices.  All notices and other  communications  given or made
pursuant  hereto shall be in writing and shall be deemed to have been duly given
or made as of the date  delivered or  transmitted,  and shall be effective  upon
receipt,  if  delivered  personally,  mailed by  registered  or  certified  mail
(postage  prepaid,  return  receipt  requested)  to the parties at the following
addresses  (or at such other  address for a party as shall be  specified by like
changes of address) or sent by electronic  transmission to the telecopier number
specified below:

               (a) If to Buyer:

                    then  c/o  CSX,  NSC  and  the  Management  Investor  at the
                    respective addresses set forth below;

               (b) If to CSX:

                   c/o CSX Corporation
                   One James Center
                   901 East Cary Street
                   Richmond, VA  23219

                   Attention:  Peter J. Shudtz
                   Telecopier No.:  (804) 783-1355

                   with a copy to:

                   Wachtell, Lipton, Rosen & Katz
                   51 West 52nd Street
                   New York, NY  10019

                   Attention:  Pamela S. Seymon
                   Telecopier No.:  (212) 403-2000

               (c) If to NSC:

                   Norfolk Southern Corporation
                   Three Commercial Place
                   Norfolk, VA  23510

                   Attention:  William C. Wooldridge
                   Telecopier No.:  (757) 629-2345



                                      -30-


<PAGE>



                   with a copy to:

                   Skadden, Arps, Slate, Meagher & Flom LLP
                   919 Third Avenue
                   New York, NY  10022

                   Attention:  Eric J. Friedman
                   Telecopier No.:  (212) 735-2000

               (d) If to the Management Investor;

                   Walter G. Rich
                   c/o Delaware Otsego Corporation
                   One Railroad Avenue
                   Cooperstown, NY  13326

                   Telecopier No.:  (607) 547-9834

                   with a copy to:

                   Kelley Drye & Warren, LLP
                   101 Park Avenue
                   New York, NY  10178

                   Attention:  Ronald B. Risdon
                   Telecopier No.:  (212) 808-7897

               (e) If to DOCP:

                   Delaware Otsego Corporation
                   One Railroad Avenue
                   Cooperstown, NY  13326

                   Attention: General Counsel
                   Telecopier No.:  (607) 547-9834

                   with a copy to:

                   Carter Ledyard & Milburn
                   2 Wall Street
                   New York, NY  10005


                   Attention:  Steven J. Glusband
                   Telecopier No:  (212) 732-3232



                                      -31-


<PAGE>



     Section 9.3. Certain Definitions. For purposes of this Agreement, the term:

          (a) "affiliate" means a person that,  directly or indirectly,  through
     one or more intermediaries,  controls, is controlled by, or is under common
     control with, the first mentioned person;

          (b)  "business  day" means any day other than a day on which (i) banks
     in the State of New York are  authorized  or obligated to be closed or (ii)
     the SEC is closed;

          (c) "control"  (including the terms "controlled,"  "controlled by" and
     "under common control with") means the  possession,  directly or indirectly
     or as trustee or executor, of the power to direct or cause the direction of
     the  management  or polices of a person,  whether  through the ownership of
     stock or as trustee or  executor,  by  contract  or credit  arrangement  or
     otherwise;

          (d)  "material"  means,  with  respect  to a person,  material  to the
     business, financial condition, results of operations, properties, assets or
     prospects  of  such  person  and  its  subsidiaries  taken  as a  whole  or
     materially   impairing  the  ability  of  such  person  to  consummate  the
     transactions  contemplated hereby (including the Offer and the Merger), and
     the term "materially" has a correlative meaning;

          (e) "person" means an individual,  corporation,  partnership,  limited
     liability  company,  joint  venture,  association,   trust,  unincorporated
     organization or other entity;

          (f)   "subsidiary"   or   "subsidiaries"   of  any  person  means  any
     corporation, partnership, joint venture or other legal entity of which such
     person  (either  alone or through or  together  with any other  subsidiary)
     owns,  directly  or  indirectly,  50% or more of the stock or other  equity
     interests,  the  holders of which are  generally  entitled  to vote for the
     election  of the  board  of  directors  or  other  governing  body  of such
     corporation or other legal entity;

          (g)  "knowledge"  of any person which is not an  individual  means the
     knowledge of such person's executive officers after reasonable inquiry; and

          (h)  "taken  as  a  whole,"   with  respect  to  any  person  and  its
     subsidiaries,  means  taken  as a whole  to the  extent  of  such  person's
     interest in each of such subsidiaries.

     Section 9.4. Interpretation.  When a reference is made in this Agreement to
an Article,  Section or Annex,  such reference shall be to an Article or Section
of, or an Annex to, this  Agreement  unless  otherwise  indicated.  The table of
contents and headings  contained in this  Agreement are for  reference  purposes
only and  shall not  affect in any way the  meaning  or  interpretation  of this
Agreement.  Whenever the words "include",  "includes" or "including" are used in
this  Agreement,  they  shall be deemed  to be  followed  by the words  "without
limitation".  The words "hereof",  "herein" and "hereunder" and words of similar
import when used in this Agreement  shall refer to this Agreement as a whole and
not to any  particular  provision of this  Agreement.  All terms defined in this
Agreement shall have the defined  meanings when used in 



                                      -32-


<PAGE>



any  certificate  or other  document  made or delivered  pursuant  hereto unless
otherwise  defined  therein.  The  definitions  contained in this  Agreement are
applicable  to the singular as well as the plural forms of such terms and to the
masculine  as well as to the  feminine  and neuter  genders  of such  term.  Any
agreement,  instrument  or  statute  defined  or  referred  to  herein or in any
agreement  or  instrument  that is  referred  to herein  means  such  agreement,
instrument  or statute as from time to time amended,  modified or  supplemented,
including (in the case of agreements  or  instruments)  by waiver or consent and
(in the case of statutes) by  succession of  comparable  successor  statutes and
references to all  attachments  thereto and  instruments  incorporated  therein.
References to a person are also to its permitted successors and assigns.

     Section 9.5. Severability. If any term or other provision of this Agreement
is invalid,  illegal or incapable of being enforced by any rule of law or public
policy, all other conditions and provisions of this Agreement 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  Agreement  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.

     Section 9.6. Entire Agreement. This Agreement, together with the Annex, the
DOCP Disclosure Schedule and the other documents delivered as of the date hereof
in  connection  herewith,  constitute  the entire  agreement  of the parties and
supersede  all prior  agreements  and  understandings,  both  written  and oral,
between the parties, or any of them, with respect to the subject matter hereof.

     Section  9.7.  Assignment.  Neither this  Agreement  nor any of the rights,
interests or obligations under this Agreement shall be assigned,  in whole or in
part, by operation of law or otherwise by any of the parties  hereto without the
prior  consent of the other party (other than an assignment by CSX, NSC or Buyer
to a controlled  subsidiary).  Any  assignment  in  violation  of the  preceding
sentence shall be void. Subject to the preceding  sentence,  this Agreement will
be binding upon, inure to the benefit of, and be enforceable by, the parties and
their respective successors and assigns.

     Section 9.8. Parties in Interest.  This Agreement shall be binding upon and
inure solely to the benefit of each party hereto, and nothing in this Agreement,
express or implied,  is  intended to or shall  confer upon any person any right,
benefit or remedy of any nature whatsoever under or by reason of this Agreement,
except that the  provisions  of Section  6.3 should  inure to the benefit of the
indemnified parties.

     Section  9.9.  GOVERNING  LAW.  THIS  AGREEMENT  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


                                      -33-


<PAGE>

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.

     Section 9.10. 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  AGREEMENT  WERE NOT  PERFORMED  IN
ACCORDANCE  WITH  THEIR  SPECIFIC  TERMS  OR  WERE  OTHERWISE  BREACHED.  IT  IS
ACCORDINGLY  AGREED THAT THE  PARTIES  SHALL BE  ENTITLED  TO AN  INJUNCTION  OR
INJUNCTIONS TO PREVENT  BREACHES OF THIS  AGREEMENT AND TO ENFORCE  SPECIFICALLY
THE TERMS AND  PROVISIONS OF THIS  AGREEMENT IN ANY UNITED STATES  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 UNITED STATES FEDERAL COURT LOCATED IN THE STATE OF
NEW YORK OR ANY NEW YORK STATE COURT IN THE EVENT ANY DISPUTE ARISES OUT OF THIS
AGREEMENT OR ANY OF THE  TRANSACTIONS  CONTEMPLATED  HEREBY,  (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 AGREEMENT OR ANY OF THE TRANSACTIONS CONTEMPLATED HEREBY
IN ANY COURT  OTHER THAN A FEDERAL  COURT  SITTING IN THE STATE OF NEW YORK OR A
NEW YORK STATE COURT.

     Section 9.11.  Counterparts.  This Agreement may be executed in one or more
counterparts, and by the different parties hereto in separate counterparts, each
of which when executed  shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.

     Section 9.12.  Guarantee.  The  obligations  hereunder  with respect to the
transactions  contemplated  hereby shall be solely  obligations of LLC and Buyer
and  shall be  guaranteed  by each of CSX and NSC on a 50%  basis.  The  parties
hereto agree and understand  that,  prior to the  consummation of the Offer, all
rights  of LLC and  Buyer  hereunder  shall be  exercised  solely by CSX and NSC
acting collectively.



                                      -34-


<PAGE>


     IN WITNESS WHEREOF,  CSX, NSC, the Management Investor and DOCP have caused
this  Agreement  to be  executed  as of the date  first  written  above by their
respective officers thereunto duly authorized.

                                       CSX CORPORATION


                                       By   /s/Mark G. Aron
                                            ---------------
                                             Name:
                                             Title:


                                       NORFOLK SOUTHERN CORPORATION


                                       By     /s/William J. Romig
                                              -------------------
                                              Name:
                                              Title:


                                              /s/Walter G.Rich 
                                              ---------------- 
                                              WALTER G. RICH


                                       DELAWARE OTSEGO CORPORATION


                                       By    /s/Everett A. Gilmour 
                                             --------------------- 
                                             Name:
                                             Title:



                                      -35-


<PAGE>




  



                                                                         ANNEX I

                                                                          


                             CONDITIONS OF THE OFFER
                             -----------------------


     Notwithstanding  any other  provision of the Offer,  and in addition to and
not in limitation of Buyer's rights to extend or amend the Offer at any time, in
its sole  discretion  (subject  to the  Merger  Agreement),  Buyer  shall not be
required  to  accept  for  payment  or,  subject  to  any  applicable  rules  or
regulations of the SEC, pay for any DOCP Shares, and may delay the acceptance of
payment of or, subject to any  restriction  referred to above,  the payment for,
and may terminate  the Offer,  if (a) the DOCP Shares  tendered  pursuant to the
Offer by the expiration of the Offer and not  withdrawn,  together with the DOCP
Shares owned by Buyer or any  subsidiary of Buyer or to be  contributed to Buyer
pursuant to binding  agreements  (which Buyer, in its sole discretion,  believes
will be performed) represent,  on a fully diluted basis less than 66 2/3% of the
outstanding DOCP Shares (the "Minimum Condition"), (b) the waiting periods under
the HSR Act applicable to the transactions  contemplated by the Merger Agreement
shall not have expired or been  terminated,  if such Act is  applicable,  or any
other regulatory approvals required under applicable law for the consummation of
the  Offer  shall  not  have  been  obtained;  or (c) at any  time  prior to the
acceptance for payment of DOCP Shares, any of the following conditions exist:

          (i) there  shall be  instituted,  pending or  threatened  any  action,
     investigation  or  proceeding  by any  domestic  or foreign  government  or
     Governmental  Entity,  or there shall be instituted,  pending or threatened
     any action or proceeding by any other person,  domestic or foreign,  before
     any  domestic  or  foreign  court  or   Governmental   Entity  (other  than
     shareholder  litigation by DOCP  Shareholders  acting in their  capacity as
     DOCP  shareholders  and other  than  actions or  proceedings  by any person
     before a  Governmental  Entity to the  extent  that such  person  seeks the
     imposition of conditions in proceedings pending as of the date hereof), (A)
     challenging or seeking to make illegal,  to delay  materially or otherwise,
     directly or  indirectly,  to restrain or prohibit  the making of the Offer,
     the acceptance for payment of or payment for some of or all the DOCP Shares
     by Buyer or the  consummation  of the  Merger,  seeking to obtain  material
     damages or imposing any material adverse conditions in connection therewith
     or  otherwise,  directly  or  indirectly,   relating  to  the  transactions
     contemplated by the Offer or the Merger, (B) seeking to restrain,  prohibit
     or delay the  exercise of full rights of ownership or operation by Buyer or
     its  affiliates of all or any portion of the business or assets of DOCP and
     the  DOCP  Subsidiaries,  taken  as a  whole,  or of  Buyer  or  any of its
     affiliates,  or to compel Buyer or any of its  affiliates  to dispose of or
     hold separate all or any material portion of the business or assets of DOCP
     and the DOCP  subsidiaries,  taken  as a  whole,  or of Buyer or any of its
     affiliates,  (C) seeking to impose or confirm limitations on the ability of
     Buyer or any of its  affiliates  effectively  to  exercise  full  rights of
     ownership of the DOCP Shares, including,  without limitation,  the right to
     vote any DOCP Shares acquired or owned by Buyer or any of its affiliates on
     all matters  properly  presented to DOCP's  shareholders  or (D) seeking to
     require  divestiture  by Buyer or any of its affiliates of any DOCP Shares;
     or

          (ii)  there  shall  be  any  action  taken,  or  any  statute,   rule,
     regulation,  injunction,  order  or  decree  proposed,  enacted,  enforced,
     promulgated, issued or deemed applicable to,



                                      A-1


<PAGE>



     or any  consent  or  approval  withheld  with  respect  to the  Offer,  the
     acceptance for payment of or payment for any DOCP Shares or the Merger,  by
     any domestic or foreign court or government or Governmental Entity that, in
     the reasonable judgment of Buyer, might, directly or indirectly,  result in
     any of the consequences referred to in clauses (A) through (D) of paragraph
     (i) above; or

          (iii) DOCP shall have  breached  or failed to perform in any  material
     respect any of its covenants or agreements under the Merger Agreement which
     breach or  failure  to  perform  shall not have been  cured,  or any of the
     representations  and  warranties of DOCP set forth in the Merger  Agreement
     shall not be true in any material respect when made or at any time prior to
     consummation  of the  Offer  as if made at and as of such  time  and  shall
     continue to be untrue;

          (iv) the Merger  Agreement  shall have been  terminated  in accordance
     with its terms or all  conditions  (other than the condition  pertaining to
     DOCP shareholder approval) to the consummation of the Merger shall not have
     been satisfied; or

which,  in the reasonable  judgment of Buyer in any such case, and regardless of
the  circumstances  giving rise to any such  condition,  makes it inadvisable to
proceed with such acceptance for payment or payment.

     The  foregoing  conditions  are for the sole  benefit  of Buyer  and may be
asserted  by  Buyer  regardless  of the  circumstances  giving  rise to any such
condition  (including any action or omission by Buyer) or may be waived by Buyer
in  whole  or in part  at any  time  and  from  time  to time in its  reasonable
discretion.  The failure by Buyer at any time to exercise  any of the  foregoing
rights  shall not be deemed a waiver of any such  right;  the waiver of any such
right with  respect to  particular  facts and other  circumstances  shall not be
deemed a waiver with respect to any other facts and circumstances; and each such
right shall be deemed an ongoing right that may be asserted at any time and from
time to time.


                                      A-2




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