Intimation of Record Date for Final Dividend for the FY 2025-26 of Hindustan Copper Limited is submitted.

No. SCY/CA/59/ 2026 27.08.2026 To, To, BSE Limited National Stock Exchange of India Ltd Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G Dalal Street Bandra-Kurla Complex, Bandra (East) Mumbai 400 001 Mumbai 400 051 BSE Scrip Code: 513599 NSE Symbol: HINDCOPPER Sub: Intimation of Book Closure pursuant to Regulation 42 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Sir / Madam, Pursuant to Regulation 42 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Register of Members and Share Transfer Books of the Company will remain closed from 17.09.2026 to 23.09.2026 (both days inclusive) for taking record of the Members of the Company for the purpose of 59th Annual General Meeting of the Company to be convened on 23.09.2026 through Video Conferencing /Other Audio-Visual Means and for declaration of dividend for FY 2025-26. Symbol Type of Book Closure both days Record Purpose Security inclusive Date From To NSE Symbol: 59th Annual General HINDCOPPER Meeting of the Company to be convened on Equity 17.09.2026 23.09.2026 16.09.2026 BSE Scrip 23.09.2026 and for Code: declaration of dividend 513599 for FY 2025-26 The above is submitted for record of the Stock Exchange please. Thanking you, Yours faithfully, (Mritunjay Kumar Dev) Company Secretary & Compliance Officer फोन Tel: 2283-2226 (Hunting). वेब Web: www.hindustancopper.com, ईमेल Email: investors_cs@hindustancopper.com