Change in Management

No. HCL/SCY/SE/2026 09.10.2026 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: Change in Senior Management - Shri Tarak Nath Nayak, General Manager (Engineering Services), Hindustan Copper Ltd (HCL) took over the charge of Unit Head, Taloja Copper Project and Gujarat Copper Project, a Unit of HCL Sir / Madam, 1. In continuation to our letter no. HCL/SCY/SE/2026 dated 26.09.2026, it is informed that Shri Tarak Nath Nayak, General Manager (Engineering Services), Hindustan Copper Ltd (HCL), has taken over the charge of Unit Head, Taloja Copper Project and Gujarat Copper Project w.e.f. 09.10.2026. Copy of Joining Report is enclosed. 2. Shri Nayak is not related to any Director or Key Managerial Personnel of HCL and their relatives. 3. The above is submitted pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 for information and record please. Thanking you, Yours faithfully, (Mritunjay Kumar Dev) Company Secretary & Compliance Officer Encl: As stated फोन Tel: 2283-2226 (Hunting). वेब Web: www.hindustancopper.com, ईमेल Email: investors_cs@hindustancopper.com Pt 41'1 cf$ (~ iUet wll), P1•1~a ctH'lfaq, ♦)dctShil - 700 019 wrth-lR 11BUT ~ cn c! (dF<cf> ~~ .:Wlt4cf>} ·~23131