Change in Management

No. HCL/SCY/SE/2026 12.10.2026 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 Abhimanue Singh, Executive Director & Unit Head- Taloja Copper Project & Gujarat Copper Project, Hindustan Copper Ltd (HCL) took over the charge as Executive Director & Unit Head, Malanjkhand 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 Abhimanue Singh, Executive Director & Unit Head- Taloja Copper Project & Gujarat Copper Project, Hindustan Copper Ltd (HCL), has taken over the charge as Executive Director & Unit Head, Malanjkhand Copper Project w.e.f. 11.10.2026. Copy of Joining Report is enclosed. 2. Shri Singh 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 Director (Mining} Hindustan Copper Limited Sub: Joining Report Sir, Consequent upon my transfer from TCP to MCP vide Corporate Office vide CO Office Order No.HCUCO/Esttrrransfers/2026-27 dated 25.09.2026 and further CO Office Order No.CO/Esttrrransfers/2026-27 dated 06.10.2026, and subsequent released at the closing of working hours on 09.10.2026 from TCP vide Office Order No.HCL/TCP/HR/PF(92225)/26 dated 09.10.2026 and I hereby join my duty at Malanjkhand Copper Project on 11.10.2026. Thanking You, Yours Sincerely (Abhimanue Singh) Executive Director & Unit Head, MCP CJ~ Scanned with OKEN Scanner