CHATTERJEE PURNENDU
SC 13D, 1998-01-12
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                             R&B FALCON CORPORATION
                  --------------------------------------------
                                (Name of Issuer)

                          Common Stock, $0.01 par Value
                  --------------------------------------------
                         (Title of Class of Securities)

                                    74912E101
                            -----------------------
                                 (CUSIP Number)

                              Stephen M. Vine, Esq.
                    Akin, Gump, Strauss, Hauer & Feld, L.L.P.
                               590 Madison Avenue
                            New York, New York 10022
                                 (212) 872-1000
                  --------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                December 31, 1997
                            -----------------------
                      (Date of Event which Requires Filing
                               of this Statement)

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

Note: Six copies of this statement, including all exhibits, should be filed with
the  Commission.  See Rule 13d- 1(a) for other  parties to whom copies are to be
sent.

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

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

                         Continued on following page(s)
                               Page 1 of 18 Pages
                             Exhibit Index: Page 10



<PAGE>


                                                              Page 2 of 18 Pages


                                  SCHEDULE 13D

CUSIP No. 74912E101

1        Name of Reporting Person
         S.S. or I.R.S. Identification No. of Above Person

                  S-C Rig Investments, L.P.

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]
3        SEC Use Only

4        Source of Funds*

                  OO

5        Check Box If Disclosure of Legal  Proceedings  Is Required  Pursuant to
         Items 2(d) or 2(e) [_]

6        Citizenship or Place of Organization

                  Delaware

                           7        Sole Voting Power
 Number of                                  18,363,802
   Shares
Beneficially               8        Shared Voting Power
  Owned By                                  0
    Each
  Reporting                9        Sole Dispositive Power
   Person                                   18,363,802
    With
                           10       Shared Dispositive Power
                                            0

11       Aggregate Amount Beneficially Owned by Each Reporting Person

                                            18,363,802

12       Check Box If the Aggregate Amount in Row (11) Excludes Certain
         Shares*                                     [x]

13       Percent of Class Represented By Amount in Row (11)

                                    11.16%

14       Type of Reporting Person*

                  PN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





<PAGE>


                                                              Page 3 of 18 Pages


                                  SCHEDULE 13D

CUSIP No. 74912E101

1        Name of Reporting Person
         S.S. or I.R.S. Identification No. of Above Person

                  S-C Rig Co.

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]
3        SEC Use Only

4        Source of Funds*

                  OO

5        Check Box If Disclosure of Legal  Proceedings  Is Required  Pursuant to
         Items 2(d) or 2(e) [_]

6        Citizenship or Place of Organization

                  Delaware

                           7        Sole Voting Power
 Number of                                  18,412,632
   Shares
Beneficially               8        Shared Voting Power
  Owned By                                  0
    Each
  Reporting                9        Sole Dispositive Power
   Person                                   18,412,632
    With
                           10       Shared Dispositive Power
                                            0

11       Aggregate Amount Beneficially Owned by Each Reporting Person

                                            18,412,632

12       Check Box If the Aggregate Amount in Row (11) Excludes Certain
         Shares*                                              [x]

13       Percent of Class Represented By Amount in Row (11)

                                    11.19%

14       Type of Reporting Person*

                  CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



<PAGE>


                                                              Page 4 of 18 Pages


                                  SCHEDULE 13D

CUSIP No. 74912E101

1        Name of Reporting Person
         S.S. or I.R.S. Identification No. of Above Person

                  Purnendu Chatterjee

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]
3        SEC Use Only

4        Source of Funds*

                  OO

5        Check Box If Disclosure of Legal  Proceedings  Is Required  Pursuant to
         Items 2(d) or 2(e) [_]

6        Citizenship or Place of Organization

                  United States

                           7        Sole Voting Power
 Number of                                  19,425,072
   Shares
Beneficially               8        Shared Voting Power
  Owned By                                  0
    Each
  Reporting                9        Sole Dispositive Power
   Person                                   19,425,072
    With
                           10       Shared Dispositive Power
                                            0

11       Aggregate Amount Beneficially Owned by Each Reporting Person

                                            19,425,072

12       Check Box If the Aggregate Amount in Row (11) Excludes Certain
         Shares*                                              [ ]

13       Percent of Class Represented By Amount in Row (11)

                                    11.80%

14       Type of Reporting Person*

                  IA; IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





<PAGE>


                                                              Page 5 of 18 Pages


               This Statement on Schedule 13D relates to shares of Common Stock,
$0.01 par value  per  share  (the  "Shares"),  of R&B  Falcon  Corporation  (the
"Issuer").  This  Statement is being filed by the Reporting  Persons (as defined
herein) to report the recent  acquisition of Shares of the Issuer  pursuant to a
merger  transaction  in which each one  previously  outstanding  share of Common
Stock of Falcon Drilling  Company  ("Falcon") held by the Reporting  Persons was
converted  into one Share of the Issuer and each warrant to acquire one share of
Common  Stock of Falcon was  converted  into the right to receive one Share (the
"Merger").  As a result of the foregoing the Reporting  Persons may be deemed to
be the  beneficial  owners of more than 5% of the  total  number of  outstanding
Shares.

Item 1.        Security and Issuer.

               This  Statement  relates  to  the  Shares.  The  address  of  the
principal  executive offices of the Issuer is 1900 West Loop South,  Suite 1800,
Houston, Texas 77027.

Item 2.        Identity and Background.

               This  Statement is being filed on behalf of each of the following
persons (collectively, the "Reporting Persons"):

(i)      S-C Rig Investments, L.P. ("S-C Rig");

(ii)     S-C Rig Co.; and

(iii)    Dr. Purnendu Chatterjee ("Dr. Chatterjee").

                              The Reporting Persons


               S-C Rig is a  Delaware  limited  partnership  with its  principal
place of business and principal  office at 888 Seventh Avenue,  30th Floor,  New
York, New York 10106. Its sole business is to make investments in securities.

               The sole  general  partner  of S-C Rig is S-C Rig Co., a Delaware
corporation,  with its  principal  place of  business  and office at 888 Seventh
Avenue,  30th Floor, New York, New York 10106. The principal business of S-C Rig
Co. is to act as general  partner of S-C Rig. The  President,  sole director and
sole shareholder of S-C Rig Co. is Dr.  Chatterjee,  who is one of the Reporting
Persons and about whom information is provided below.

               The  principal  occupation  of Dr.  Chatterjee,  a United  States
citizen, is as an investment manager.  Dr. Chatterjee has his principal place of
business at 888 Seventh Avenue, 30th Floor, New York, New York 10106.

               During the past five years, none of the Reporting Persons, except
as described below, and, to the best of the Reporting  Persons'  knowledge,  any
other person  identified in response to this Item 2 has been: (a) convicted in a
criminal proceeding; or (b) a party to any civil proceeding as a result of which
either has been subject to a judgment,  decree or a final order enjoining future
violations  of, or prohibiting  or mandating  activities  subject to, federal or
state securities laws, or finding any violation with respect to such laws.


<PAGE>


                                                              Page 6 of 18 Pages



               On January 13, 1993, the Securities and Exchange  Commission (the
"Commission")  filed a civil  complaint in the United States  District Court for
the  District  of  Massachusetts  against  certain  defendants,   including  Dr.
Chatterjee,  wherein  the  Commission  alleged  that Dr.  Chatterjee  engaged in
conduct in violation of, or aided and abetted  certain  alleged  violations  of,
Sections  10(b) and 14(e) of the Act and certain rules  promulgated  thereunder.
Dr.  Chatterjee  settled the  Commission's  action on the same date it was filed
without  admitting or denying the allegations of the complaint.  Dr.  Chatterjee
consented to the entry of a Final Judgment  restraining  and enjoining him from,
inter alia, violating,  or aiding and abetting violations of, Sections 10(b) and
14(e) of the Act and the  rules  promulgated  thereunder.  Dr.  Chatterjee  also
agreed to pay a civil  penalty  of  $643,855.  During the past five  years,  Dr.
Chatterjee, has not been convicted in any criminal proceeding.

Item 3.        Source and Amount of Funds or Other Consideration.

               Pursuant to the Agreement and Plan of Merger dated July 10, 1997,
among  R&B  Falcon  Corporation,   FDC  Acquisition  Corp.,  Reading  and  Bates
Acquisition  Corp,   Falcon  Drilling  Company,   Inc.  and  Reading  and  Bates
Corporation,  each one share of Common  Stock of Falcon was  converted  into one
Share,  and each one  warrant  of Falcon,  convertible  into one share of Common
Stock of Falcon,  was converted into the right to receive one Share.  The merger
occurred on December 31, 1997.

               The Shares held for the accounts of the Reporting  Persons may be
held through margin accounts maintained with brokers, which extend margin credit
as and when  required  to open or carry  positions  in  their  margin  accounts,
subject to applicable federal margin regulations,  stock exchange rules and such
firm's credit policies.  The Shares which may be held in the margin accounts are
pledged as  collateral  security  for the  repayment  of debit  balances  in the
respective accounts.

Item 4.        Purpose of Transaction.

               All of the Shares  reported herein as having been acquired for or
disposed of from the accounts of the Reporting Persons were acquired or disposed
of for investment  purposes.  Neither the Reporting  Persons nor, to the best of
their knowledge,  any of the other individuals identified in response to Item 2,
has any  plans  or  proposals  that  relate  to or  would  result  in any of the
transactions  described in  subparagraphs  (a) through (j) of Item 4 of Schedule
13D.

               The Reporting  Persons reserve the right to acquire,  or cause to
be acquired,  additional  securities of the Issuer,  to dispose,  or cause to be
disposed of, such securities at any time or to formulate  other purposes,  plans
or proposals regarding the Issuer or any of its securities, to the extent deemed
advisable in light of general  investment and trading  policies of the Reporting
Persons, market conditions or other factors.

Item 5.        Interest in Securities of the Issuer.

               (a)  (i) S-C Rig may be deemed the beneficial owner of 18,363,802
Shares  (approximately  11.16% of the total  number  of  Shares  which  would be
outstanding  assuming  the exercise by S-C Rig of all of the warrants it holds).
This  number  consists  of: (A)  18,360,786  Shares held for its account and (B)
3,016 Shares  issuable  upon  exercise of warrants  held for its  account.  Each
warrant held for the account of S-C Rig is exercisable for 1 Share at a price of
$0.01 per Share.



<PAGE>


                                                              Page 7 of 18 Pages


                    (ii)  S-C Rig Co.  may be  deemed  the  beneficial  owner of
18,412,632  Shares   (approximately   11.19%  of  the  total  number  of  Shares
outstanding  assuming  the exercise by S-C Rig of all of the warrants it holds).
This  number  consists  of: (A) 48,830  Shares  held for its account and (B) the
18,363,802 Shares held for the account of S-C Rig (includes Shares issuable upon
exercise of warrants).

                    (iii) Dr.  Chatterjee may be deemed the beneficial  owner of
19,425,072 Shares (approximately 11.8% of the total number of Shares outstanding
assuming the  exercise by S-C Rig of all of the warrants it holds).  This number
consists of (A) 737,986 Shares held for his account,  (B) the 18,363,802  Shares
held for the  account of S-C Rig  (includes  Shares  issuable  upon  exercise of
warrants),  (C) 48,830  Shares held for the  account of S-C Rig Co.,  (D) 24,454
Shares held for the account of Furzedown  Trading Limited  ("Furzedown"),  which
may be deemed to have granted Dr.  Chatterjee  voting and dispositive power over
the Shares  reported  herein as held by it and (E)  250,000  Shares held for the
account of Chatterjee Charitable Foundation ("Chatterjee Charitable"),  of which
Dr. Chatterjee is a Trustee.

               (b)  (i) S-C  Rig  has  sole  power  to  direct  the  voting  and
disposition  of the  18,363,802  Shares  held for its account  (includes  Shares
issuable upon exercise of warrants).

                    (ii) S-C Rig Co.  has sole  power to direct  the  voting and
disposition of the 48,830 Shares held for its account.

                         S-C Rig Co.  may be  deemed  to have the sole  power to
direct the voting and  disposition  of the  18,363,802  Shares held, or issuable
upon the exercise of the warrants reported herein as being held, for the account
of S-C Rig.

                    (iii)Dr. Chatterjee has the sole power to direct the voting
and disposition of the 737,986 Shares held for his account.

                         Dr.  Chatterjee may be deemed to have the sole power to
direct the voting and  disposition  of the  18,687,086  Shares held, or issuable
upon the conversion or exercise of all of the  convertible  securities  reported
herein as being held,  for the accounts of S-C Rig, S-C Rig Co.,  Furzedown  and
Chatterjee Charitable.

               (c)       Except  as  disclosed  in  Item  3  hereof,   which  is
incorporated  by  reference  in this Item 5,  there  have  been no  transactions
effected  with respect to the Shares  since  November 13, 1997 (60 days prior to
the date hereof) by any of the Reporting Persons.

               (d)  (i)  The  partners of S-C Rig have the right to  participate
in the receipt of dividends  from, or proceeds from the sale of, the  securities
described  herein as being held for the  account of S-C Rig in  accordance  with
their partnership interests in S-C Rig.

                    (ii) Dr. Chatterjee, as sole shareholder of S-C Rig Co., has
the right to participate in the receipt of dividends  from, or proceeds from the
sale of, the  securities  described  herein as being held for the account of S-C
Rig Co.

                    (iii) Dr. Chatterjee has the sole right to receive dividends
from,  or proceeds from the sale of, the Shares  described  herein as being held
directly for his personal account.



<PAGE>


                                                              Page 8 of 18 Pages


                    (iv)  The  shareholders  of  Furzedown  have  the  right  to
participate  in the receipt of dividends  from,  and  proceeds  from the sale of
Shares  described  herein as being held directly for the account of Furzedown in
accordance with their ownership interests in Furzedown.

                    (v) The  beneficiaries  of  Chatterjee  Charitable  have the
right to  participate  in the receipt of dividends  from,  and proceeds from the
sale of Shares  described  herein as being  held  directly  for the  account  of
Chatterjee Charitable.

               (e)       Not applicable.

Item 6.        Contracts,  Arrangements,  Understandings  in  Relationship  with
               Respect to Securities of the Issuer.

               In  connection  with the Merger,  each of the  Reporting  Persons
entered into a separate agreement with the Issuer whereby each has agreed, among
other things, with certain limited exceptions,  including the ability to sell up
to 10% of the  Reporting  Persons'  total  Shares,  not  to  sell,  transfer  or
otherwise  dispose of any  interest in, or reduce such party's risk with respect
to the Common Stock of Falcon or the Shares during the period commencing 30 days
preceding  the  effective  time of the Merger  until  such time as  consolidated
financial results covering at least 30 days of post-Mergers  combined results of
operations  of  Falcon  and  the  Issuer  have  been   published  (the  "Lock-up
Agreement"). The Lock-up Agreement is attached hereto as Exhibit B and the terms
thereof are incorporated herein by reference in response to this Item 6.

               From  time  to  time,  each of the  Reporting  Persons  may  lend
portfolio securities to brokers,  banks or other financial  institutions.  These
loans  typically  obligate  the borrower to return the  securities,  or an equal
amount of securities of the same class, to the lender and typically provide that
the  borrower  is entitled to  exercise  voting  rights and to retain  dividends
during  the term of the  loan.  From  time to time to the  extent  permitted  by
applicable  laws, each of such persons or entities may borrow the Shares for the
purpose of effecting, and may effect, short sale transactions,  and may purchase
securities for the purpose of closing out short positions in such securities.

               Except as set forth herein, the Reporting Persons do not have any
contracts,  arrangements,  understandings  or relationships  with respect to any
securities of the Issuer.

Item 7.        Material to be Filed as Exhibits.

               A.  Power  of  Attorney,  dated  May  31,  1995,  granted  by Dr.
Chatterjee in favor of Mr. Peter Hurwitz.

               B. Form of Affiliate Letter.

               C. Joint Filing  Agreement,  dated as of January 12, 1998, by and
among S-C Rig, S-C Rig Co. and Dr. Chatterjee.


<PAGE>


                                                              Page 9 of 18 Pages


                                   SIGNATURES

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

Date: January 12, 1998             S-C RIG INVESTMENTS, L.P.

                                   By:  S-C RIG CO., its General Partner

                                   By:  /S/ PETER HURWITZ
                                        ---------------------------------------
                                        Peter Hurwitz
                                        Vice President


                                   S-C RIG CO.

                                   By:  /S/ PETER HURWITZ
                                        ---------------------------------------
                                        Peter Hurwitz
                                        Vice President


                                   PURNENDU CHATTERJEE

                                   By:  /S/ PETER HURWITZ
                                        ---------------------------------------
                                        Peter Hurwitz
                                        Attorney-in-Fact















<PAGE>


                                                             Page 10 of 18 Pages



                                  EXHIBIT INDEX


                                                                        Page No.
                                                                        --------

A.        Power of Attorney,  dated May 31, 1995,  granted by Dr.
          Chatterjee in favor of Mr. Peter Hurwitz..........................11

B.        Form of Affiliate Letter..........................................12

C.        Joint Filing  Agreement,  dated as of January 12, 1998,
          by and among S-C Rig Investments, L.P., S-C Rig Co. and
          Dr. Purnendu Chatterjee...........................................18














                                                             Page 11 of 18 Pages




KNOW  ALL MEN BY  THESE  PRESENT,  that I,  PURNENDU  CHATTERJEE,  hereby  make,
constitute  and appoint  PETER  HURWITZ as my agent and attorney in fact for the
purpose  of  executing  in my name or in my  personal  capacity  all  documents,
certificates,  instruments,  statements, filings and agreements ("documents") to
be filed with or delivered to any foreign or domestic governmental or regulatory
body or  required or  requested  by any other  person or entity  pursuant to any
legal  or  regulatory  requirement  relating  to  the  acquisition,   ownership,
management or  disposition  of securities  or other  investments,  and any other
documents  relating  or  ancillary  thereto,  including  but not limited to, all
documents  relating to filings with the Securities and Exchange  Commission (the
"SEC") pursuant to the Securities Act of 1933 or the Securities  Exchange Act of
1934  (the  "Act")  and  the  rules  and  regulations   promulgated  thereunder,
including:  (1) all documents relating to the beneficial ownership of securities
required to be filed with the SEC pursuant to Section  13(d) or Section 16(a) of
the Act  including,  without  limitation:  (a)  any  acquisition  statements  on
Schedule 13D or Schedule 13G and any  amendments  thereto,  (b) any joint filing
agreements  pursuant to Rule  13(d)-1(f)  and (c) any initial  statements of, or
statements of changes in,  beneficial  ownership of securities on Form 3, Form 4
or Form 5 and (2) any  information  statements  on Form 13F required to be filed
with the SEC pursuant to Section 13(f) of the Act.

All past acts of the attorney-in-fact in furtherance of the foregoing are hereby
ratified and confirmed.

This power of attorney shall be valid from the date hereof until revoked by me.

IN WITNESS WHEREOF, I have executed this instrument this 31st day of May, 1995.


                                             /s/ Purnendu Chatterjee
                                             ----------------------------------
                                             PURNENDU CHATTERJEE











                                                             Page 12 of 18 Pages


                                    EXHIBIT B





                            FORM OF AFFILIATE LETTER


R&B Falcon Corporation
1900 West Loop South
Suite 1800
Houston, Texas  77027

Falcon Drilling Company, Inc.
1900 West Loop South
Suite 1800
Houston, Texas  77027

Reading & Bates Corporation
901 Threadneedle
Suite 2000
Houston, Texas  77079


Ladies and Gentlemen:

               I have been  advised  that as of the date of this letter I may be
deemed to be an  "affiliate"  of  Falcon  Drilling  Company,  Inc.,  a  Delaware
corporation  ("FDC"),  as the term  "affiliate"  is (i) defined for  purposes of
paragraphs (c) and (d) of Rule 145 of the rules and regulations  (the "Rules and
Regulations") of the Securities and Exchange Commission (the "Commission") under
the Securities Act of 1933, as amended (the "Act"),  and/or (ii) used in and for
purposes of Accounting  Series Releases No. 130 and No. 135, as amended,  of the
Commission.  Pursuant to the terms of the Agreement and Plan of Merger, dated as
of July 10,  1997 (the  "Merger  Agreement"),  among R&B Falcon  Corporation,  a
Delaware corporation  ("Parent"),  FDC Acquisition Corp., a Delaware corporation
("SubF"),  Reading & Bates Acquisition Corp., a Delaware  corporation  ("SubR"),
FDC and Reading & Bates Corporation, a Delaware corporation ("R&B"), pursuant to
which (i) SubF will be merged  with and into  FDC,  with FDC  continuing  as the
surviving corporation (the "FDC Merger"), (ii) SubR will be merged with and into
R&B,  with R&B  continuing as the  surviving  corporation  (the "R&B Merger" and
together with the FDC Merger, the "Mergers"), and (iii) each of FDC and R&B will



<PAGE>


                                                             Page 13 of 18 Pages


become a  subsidiary  of  Parent  and  stockholders  of each of FDC and R&B will
become  stockholders  of Parent.  Capitalized  terms used in this letter without
definition shall have the meanings assigned to them in the Merger Agreement.

               As a result of the FDC  Merger,  I may  receive  shares of common
stock, par value $.01 per share, of Parent (the "Parent Common Stock").  I would
receive such Parent  Stock in exchange  for shares (or upon  exercise of options
for shares)  owned by me of common  stock,  par value $.01 per share of FDC (the
"FDC Common Stock").

               1. I hereby  represent,  warrant and covenant to Parent,  FDC and
R&B that in the event I receive any shares of Parent Common Stock as a result of
the FDC Merger:

               A. I shall not make any offer,  sale,  pledge,  transfer or other
          disposition  of the shares of Parent  Common Stock in violation of the
          Act or the Rules and Regulations.

               B. I have carefully read this letter and the Merger Agreement and
          discussed the  requirements  of such  documents  and other  applicable
          limitations upon my ability to sell,  transfer or otherwise dispose of
          the shares of Parent  Common  Stock,  to the extent I felt  necessary,
          with my counsel or counsel for FDC.

               C. I have been  advised that the issuance of the shares of Parent
          Common Stock to me pursuant to the FDC Merger has been registered with
          the Commission under the Act on a Registration  Statement on Form S-4.
          However, I have also been advised that, because at the time the Merger
          is  submitted  for a vote of the  stockholders  of  FDC,  (a) I may be
          deemed to be an affiliate of FDC and (b) the distribution by me of the
          shares of Parent Common Stock has not been registered under the Act, I
          may not sell,  transfer or  otherwise  dispose of the shares of Parent
          Common  Stock  issued to me in the FDC  Merger  unless  (i) such sale,
          transfer or other  disposition  is made in conformity  with the volume
          and other  limitations of Rule 145 promulgated by the Commission under
          the Act,  (ii)  such  sale,  transfer  or other  disposition  has been
          registered under the Act or (iii) in the opinion of counsel reasonably
          acceptable  to  Parent,  or a  "no  action"  letter  obtained  by  the
          undersigned  from the staff of the Commission  such sale,  transfer or
          other disposition is otherwise exempt from registration under the Act.


                                        2

<PAGE>


                                                             Page 14 of 18 Pages



               D. I  understand  that  except  as  provided  for  in the  Merger
          Agreement,  Parent  is under  no  obligation  to  register  the  sale,
          transfer  or  other  disposition  of the  Parent  Stock by me or on my
          behalf under the Act or,  except as provided in paragraph  2(A) below,
          to take any other action necessary in order to make compliance with an
          exemption from such registration available.

               E. I also  understand  that stop  transfer  instructions  will be
          given to FDC's transfer agent with respect to the shares of FDC Common
          Stock  currently  held and to Parent's  transfer agent with respect to
          the shares of Parent Common Stock issued to me in the FDC Merger,  and
          there  will be placed on the  certificates  for such  shares of Parent
          Common Stock, a legend stating in substance:

                    "THE SHARES  REPRESENTED BY THIS  CERTIFICATE WERE
               ISSUED IN A TRANSACTION  TO WHICH RULE 145  PROMULGATED
               UNDER THE  SECURITIES  ACT OF 1933 APPLIES.  THE SHARES
               REPRESENTED BY THIS CERTIFICATE MAY ONLY BE TRANSFERRED
               IN ACCORDANCE WITH THE TERMS OF AN AGREEMENT DATED [ ],
               1997  BETWEEN  THE  REGISTERED  HOLDER  HEREOF,  FALCON
               DRILLING COMPANY, INC., READING & BATES CORPORATION AND
               R&B FALCON CORPORATION, A COPY OF WHICH AGREEMENT IS ON
               FILE   AT  THE   PRINCIPAL   OFFICES   OF  R&B   FALCON
               CORPORATION."

               F. I also  understand  that  unless a sale or transfer is made in
          conformity  with  the  provisions  of  Rule  145,  or  pursuant  to  a
          registration statement, Parent reserves the right to put the following
          legend on the certificates issued to my transferee:

                    "THE SHARES  REPRESENTED BY THIS  CERTIFICATE HAVE
               NOT BEEN  REGISTERED  UNDER THE  SECURITIES ACT OF 1933
               AND WERE  ACQUIRED  FROM A  PERSON  WHO  RECEIVED  SUCH
               SHARES IN A TRANSACTION  TO WHICH RULE 145  PROMULGATED
               UNDER THE  SECURITIES  ACT OF 1933 APPLIES.  THE SHARES
               HAVE BEEN ACQUIRED BY THE HOLDER NOT WITH A VIEW TO, OR
               FOR RESALE IN CONNECTION WITH, ANY DISTRIBUTION THEREOF

                                   3

<PAGE>


                                                             Page 15 of 18 Pages


               WITHIN THE  MEANING OF THE  SECURITIES  ACT OF 1933 AND
               MAY  NOT BE  SOLD,  PLEDGED  OR  OTHERWISE  TRANSFERRED
               EXCEPT  IN  ACCORDANCE   WITH  AN  EXEMPTION  FROM  THE
               REGISTRATION  REQUIREMENTS  OF  THE  SECURITIES  ACT OF
               1933."

               G. I further represent to, and covenant with Parent,  FDC and R&B
          that I will not, during the 30 days prior to the Effective Time, sell,
          transfer or otherwise dispose of or reduce my risk (as contemplated by
          the SEC  Accounting  Series Release No. 135) with respect to shares of
          FDC  Common  Stock that I may hold and,  furthermore,  that I will not
          sell,  transfer  or  otherwise  dispose  of  or  reduce  my  risk  (as
          contemplated by SEC Accounting Series Release No. 135) with respect to
          the shares of Parent Common Stock  received by me in the FDC Merger or
          any other shares of the capital  stock of Parent until after such time
          as results covering at least 30 days of operations of Parent have been
          published by Parent,  in the form of a quarterly  earnings report,  an
          effective registration  statement filed with the Commission,  a report
          to the  Commission  on Form  10-K,  10-Q or 8-K,  or any other  public
          filing  or  announcement   which  includes  the  combined  results  of
          operations of FDC and R&B (the period  commencing 30 days prior to the
          Effective  Time  and  ending  on the  date of the  publication  of the
          post-Mergers  financial  results is referred to herein as the "Pooling
          Period").  Parent shall notify the  "affiliates" of the publication of
          such results.  Notwithstanding the foregoing, I understand that during
          the  aforementioned  period,  subject to providing  written  notice to
          Parent,  I will not be prohibited from selling up to 10% of the shares
          of Parent Common Stock (the "10% Shares") received by me or the shares
          of FDC Common Stock owned by me or making charitable  contributions or
          bona fide gifts of the shares of Parent Common Stock received by me or
          the  shares  of FDC  Common  Stock  owned by me,  subject  to the same
          restrictions.  The 10% Shares shall be calculated  in accordance  with
          SEC Accounting  Series Release No. 135 as amended by Staff  Accounting
          Bulletin No. 76. I covenant with Parent that I will not sell, transfer
          or otherwise  dispose of any 10% Shares  during the period  commencing
          from the  Effective  Time and  ending  on the last day of the  Pooling
          Period  except  in  compliance  with Rule  145(d)(i)  under the Act or
          pursuant to charitable contributions or bona fide gifts.


                                        4

<PAGE>


                                                             Page 16 of 18 Pages


               H. Execution of this letter should not be considered an admission
          on my part that I am an  "affiliate"  of FDC as described in the first
          paragraph of this letter,  nor as a waiver of any rights I may have to
          object to any claim that I am such an  affiliate  on or after the date
          of this letter.

               2. By Parent's  acceptance  of this letter,  Parent hereby agrees
with me as follows:

               A. For so long as and to the  extent  necessary  to  permit me to
          sell the shares of Parent  Common  Stock  pursuant to Rule 145 and, to
          the extent  applicable,  Rule 144 under the Act,  Parent shall (a) use
          its  reasonable  best  efforts  to (i) file,  on a timely  basis,  all
          reports  and data  required  to be filed  with  the  Commission  by it
          pursuant  to Section 13 of the  Securities  Exchange  Act of 1934,  as
          amended and (ii) furnish to me upon request a written  statement as to
          whether  Parent has complied with such reporting  requirements  during
          the 12 months  preceding  any  proposed  sale of the  shares of Parent
          Common  Stock  by me  under  Rule  145,  and  (b)  otherwise  use  its
          reasonable  efforts to permit such sales pursuant to Rule 145 and Rule
          144.

               B. It is understood and agreed that certificates with the legends
          set forth in paragraphs E and F above will be  substituted by delivery
          of certificates without such legend if (i) one year shall have elapsed
          from the date the  undersigned  acquired the Parent Stock  received in
          the FDC Merger and the provisions of Rule 145(d)(2) are then available
          to the  undersigned,  (ii) two years shall have  elapsed from the date
          the undersigned acquired the shares of Parent Common Stock received in
          the  FDC  Merger  and  the  provisions  of  Rule  145(d)(3)  are  then
          applicable to the undersigned,  or (iii) Parent has received either an
          opinion of counsel,  which  opinion and  counsel  shall be  reasonably
          satisfactory  to R&B and Parent,  or a "no-action"  letter obtained by
          the undersigned  from the staff of the Commission,  to the effect that
          the  restrictions  imposed  by Rule 144 and Rule 145  under the Act no
          longer apply to the undersigned.

                                             Very truly yours,


                                             __________________________________
                                             Name:


                                        5

<PAGE>


                                                             Page 17 of 18 Pages


Agreed and accepted this __ day
of ___________, 1997, by

R&B FALCON CORPORATION


By:  
     --------------------------------
     Name:
     Title:

READING & BATES CORPORATION


By:
     --------------------------------
     Name:
     Title:

FALCON DRILLING COMPANY, INC.


By:
     --------------------------------
     Name:
     Title:



                                        6





                                                             Page 18 of 18 Pages

                                    EXHIBIT C

                             JOINT FILING AGREEMENT

               The  undersigned  hereby agree that the statement on Schedule 13D
with respect to the Common  Stock of R&B Falcon  Corporation  dated  January 12,
1998 is, and any amendments  thereto signed by each of the undersigned shall be,
filed on behalf of us pursuant to and in accordance  with the provisions of Rule
13d-1(f) under the Securities Exchange Act of 1934.


Date: January 12, 1998             S-C RIG INVESTMENTS, L.P.

                                   By:  S-C RIG CO., its General Partner

                                   By:  /S/ PETER HURWITZ
                                        ---------------------------------------
                                        Peter Hurwitz
                                        Vice President


                                   S-C RIG CO.

                                   By:  /S/ PETER HURWITZ
                                        ---------------------------------------
                                        Peter Hurwitz
                                        Vice President


                                   PURNENDU CHATTERJEE

                                   By:  /S/ PETER HURWITZ
                                        ---------------------------------------
                                        Peter Hurwitz
                                        Attorney-in-Fact



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