This is a regulatory disclosure filed with BSE Limited's Listing Compliance Department in compliance with Regulation 29 of the SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015.

The Board of Directors of National Securities Depository Limited is scheduled to meet on Saturday, October 31, 2026. The primary agenda for this meeting is to consider and approve the Unaudited (Standalone and Consolidated) Financial Results of the Company for the quarter and half year ended September 30, 2026. The Board will also review the Limited Review Report on these financial results.

In accordance with the Company's previous communication dated September 28, 2026, and in compliance with the SEBI (Prohibition of Insider Trading) Regulations, 2015 along with the Company's Code of Conduct for prevention of insider trading, the Trading Window for dealing in the securities of the Company has been closed from October 01, 2026. This closure applies to Designated Persons, Connected Persons, and their immediate relatives.

The Trading Window will remain closed until 48 hours after the announcement of the financial results for the quarter and half year ended September 30, 2026.

The document is signed by Alen Ferns, Company Secretary & Compliance Officer (Membership No. A30633) of National Securities Depository Limited, with a digital timestamp of October 08, 2026 at 15:48:30 IST.