DOWNLOAD REFERENCE NO: NSE/CMPT/9490

NSCCL/SEC/2007/478 Sep 17, 2007

NATIONAL SECURITIES CLEARING CORPORATION LIMITED

Kind Attn: All Members/Custodians,

Sub: Change in timings for file upload/download on account of sun outage.

This has reference to the circular download no. NSE/CMTR/9448 dated September 06, 2007, regarding revision in the market timings on account of SUN OUTAGE. As a result of the same, members are requested to note the changes in timings of the files uploaded & downloaded on the trading (T) day by the Clearing Corporation. The revised timings as mentioned below shall be effective for the period starting from Tuesday, September 25, 2007 to Tuesday, October 09, 2007.

(I) Files sent by Members and uploaded by Clearing Corporation

Process	Day	Existing Timings	Revised Timings
Trade Modification (CPCODE)	T	4.45 pm	5.30 pm
Client Code Modification (CLD)	T	4.45 pm	5.30 pm
Obligation Transfer Request (OTR) 1^st batch	T	6.00 pm	6.45 pm
Obligation Transfer Request (OTR) 2^nd batch	T	6.30 pm	7.15 pm
CP contraction files (CC) 1^st batch	T	6.30 pm	7.15 pm

(II) Files downloaded by Clearing Corporation to Members / Custodians

Process	Day	Existing Timings	Revised Timings
Return of Trade Modification files (CPCODE)	T	5.00 pm	5.45 pm
Return of Client Code Modification files (CLD)	T	5.00 pm	5.45 pm
OTR files to Members	T	5.00 pm	5.45 pm
Daily obligation Data to Members / Custodians	T	5.30 pm	6.15 pm
Return of OTR files – 1^st batch	T	6.15 pm	7.00 pm
Return of OTR files – 2^nd batch	T	6.45 pm	7.30 pm
Return of CC files – 1^st batch	T	6.45 pm	7.30 pm
OTR files to Custodians	T	7.00 pm	7.45 pm

Members may further note that the timings for upload/download of files other than those mentioned hereinabove shall remain unchanged during the sun outage period.

In case of any clarifications, members are requested to contact Mr Nitin Bhasin / Mr. Cyril D’souza on telephone numbers 26598267/68.

Yours faithfully,

For National Securities Clearing Corporation Ltd.

Rana Usman

Manager