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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: December 31, 1999
Check here if Amendment [ ]; Amendment Number:___________________
This Amendment (Check only one.):
[ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: SC Rig Co. (a)
Address: 888 Seventh Avenue
New York, NY 10106
Form 13F File Number: 28-7212
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form. Person
Signing this Report on Behalf of Reporting Manager:
Name: Peter A. Hurwitz
Title: Vice President
Phone: 212-397-5553
Signature, Place, and Date of Signing:
/S/ PETER A. HURWITZ
_____________________________________
[Signature]
New York, New York
_____________________________________
[City, State]
February 11, 2000
_____________________________________
[Date]
(a) Dr. Purnendu Chatterjee is the sole director and sole shareholder of SC Rig
Co.
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting
manager are reported in this report.)
[ ] 13F NOTICE. (Check here if no holdings reported are in this report, and
all holdings are reported by other reporting manager(s).)
[ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
<PAGE>
Form 13F Summary Page
Report Summary:
Number of Other Included Managers:
0
Form 13F Information Table Entry Total:
1
Form 13F Information Table Value Total:
$ 193,551 (thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file
number(s) of all institutional investment managers with
respect to which this report is filed, other than the manager
filing this report.
NONE
<PAGE>
FORM 13F INFORMATION TABLE
<TABLE>
<CAPTION>
Value Put/ Investment Other Voting
Authority
Name of Issuer Title of CUSIP (x$1000) Shrs or SH/PRN Call Discretion Managers Sole Shared None
- -------------- -------- ----- -------- -------- ------ ---- ---------- -------- ---- ------ ----
Class prn amt
----- -------
<S> <C> <C> <C> <C> <C> <C> <C>
R & B Falcon Corp COM 74912E101 193,551 14,607,607 SH SOLE 14,607,607
</TABLE>