Intimation regarding Change in Senior Management Personnel is submitted.

No. HCL/SCY/SE/2026 26.09.2026 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 Sir / Madam, 1. It is informed that as per Office Order No. HCL/CO/Estt./Transfers/2026-27 dated 25.09.2026, the following Senior Managerial Personnel (SMP) of HCL have been re-designated and such re-designation shall be effective from the date of joining i.e., on or before 09.10.2026: S.No. Name Previous Designation New Designation 1. Shri Nagesh Shenoy Executive Director & Unit Executive Director (Mining- Head- Malanjkhand Copper Production, Safety & ISO Project Chief), Corporate Office 2. Shri Abhimanue Singh Executive Director & Unit Executive Director & Unit Head- Taloja Copper Project Head- Malanjkhand Copper & Gujarat Copper Project Project 3. Shri Tarak Nath Nayak General Manager Unit Head- Taloja Copper (Engineering Services), Project & Gujarat Copper Corporate Office Project and he shall also hold charge of Engineering Services department at Corporate Office फोन Tel: 2283-2226 (Hunting). वेब Web: www.hindustancopper.com, ईमेल Email: investors_cs@hindustancopper.com 2. It is further informed that the joining of the above mentioned SMP will be intimated separately. 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