Change in Registered Office - within the same city

Dated: 22nd September, 2026 To, To, BSE Ltd. National Stock Exchange of India Ltd Pheroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Plot No. C-1, Dalal Street, Fort, G Block, Bandra Kurla Complex, Bandra (E) Mumbai-400001 Mumbai- 400 051 Scrip Code: 523369 Symbol: DCMSRIND Subject: Intimation under Regulation 30 of SEBI (LODR) Regulations, 2015- Change in Registered Office Address (Within the Same City) Dear Sir/Madam, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirement) Regulations, 2015, we wish to inform you that the Board of Directors of the Company, through a Resolution passed by Circulation on 22.09.2026, has approved the change in the registered office of the Company from the existing address to a new address within the local limits/same city effective from 01.10.2026. The Details are as under: Present Registered Office Address: Kanchenjunga Building, 18, Barakhamba Road, New Delhi-110001 New Registered Office Address: 306, 3rd Floor, Ashoka Estate, 24, Barakhamba Road, New Delhi-110001 Kindly take the above information on record. Thanking you, Yours faithfully, (Y.D. Gupta) Company Secretary & Compliance Officer FCS 3405 TEL: (011) 43745000 FAX : (011) 23315424 E-mail : dsil@dcmsr.com POST BOX No. 205 VIST US AT : http://www.dcmsr.com CIN: L74899DL1989PLC035140 GSTIN: 07AAACD0204C2ZM