Certificate under SEBI (Depositories and Participants) Regulations, 2018

No. HCL/ SCY/SE/2026 08.10.2026 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: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 Sir / Madam, We enclose herewith certificate dated 06.10.2026 received from Alankit Assignments Ltd, the Registrar and Share Transfer Agent of Hindustan Copper Ltd, under Regulation 74 (5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026. This is for your information and records 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 Ref. : RTA/AS/HCL/2026 06th October 2026 The Company Secretary Hindustan Copper Limited Tamra Bhawan 1 Ashutosh Chowdhury Avenue, Kolkata – 700019 Subject: CONFIRMATION UNDER REGULATION 74 (5) OF THE SEBI (DEPOSITORIES AND PARTICIPANTS) REGULATIONS, 2018 FOR THE QUARTER ENDED 30th September 2026 Dear Sir, In accordance with Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ending 30th September 2026. w.r.t. physical share certificates received for dematerialization of securities (Equity Shares) of the Company, “HINDUSTAN COPPER LTD.” we hereby confirm and certify the following: The securities comprised in the said certificate(s) have been listed on the Stock Exchanges The said certificate(s) after due verification have been mutilated and cancelled and the name of depository has been substituted in our records as registered owner. This is for your information and records. Thanking you, Yours faithfully, For ALANKIT ASSIGNMENTS LIMITED Kamal Garg General Manager SEBI Registration. Nos. INB230881235, INF230881235, INE230881235, INB010881234, INF010881234, INE010881234, INE260881235, INB050881235, INP000001363, IN-DP-NSDL-14-96,IN-DP-CDSL-43-99 CIN : U74210DL1991PLC042569 Registered Office : 205-208, Anarkali Complex, Jhandewalan Extension, New Delhi – 110055, India Corporate Office : Alankit House, 4E/2 Jhandewalan Extenstion, New Delhi – 110055, India Phone : +91-11-4254 1234 / 2354 1234 I Fax : +91-11-2355 2001 I Website : www.alankit.com I e-mail : info@alankit.com Regional Office : R. R. House, Ideal Industrial Estate, Opp. New Empire Mills, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013, India Phone : +91-22-4348 1200 / 400 I Fax : +91-22-4058 1206 I e-mail : alankitmumbai@alankit.com