NATIONAL SECURITIES CLEARING CORPORATION LIMITED

CAPITAL MARKET SEGMENT

Ref. No.: NSCC/RMG/2006/0553 December 20, 2006

Download No.: NSE/CMPT/8249

To

All Trading Members,

PCM and Custodians

Sub: Categorization and Margins applicable for GTOFFSHORE

This is with reference to our circular no. NSCC/CM/C&S/337 dated May 09, 2005 (Download Ref No. NSE/CMPT/6122), regarding Cash Market - Risk Management Framework

The security Great Offshore Limited (GTOFFSHORE) shall be categorized under Group III for the purpose of VaR Margins. The VaR Margin & the Extreme Loss Margin rate applicable for the security shall be 43.30 % & 5 % respectively.

The above changes shall be effective for all positions in the rolling segment on and from December 21, 2006

In case of any clarifications, members are requested to contact Ms Pareezad / Mr. Arun / Mr. Aslam / Mr. Shailesh / Mr. Nagesh on telephone number 26598266.

Yours faithfully,

For National Securities Clearing Corporation Limited

R Sundararaman

Senior Vice President