Updates

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: Communication to Shareholders of Hindustan Copper Ltd – Intimation of Tax Deduction on Dividend payment for FY 2025-26 Sir / Madam, As per the provisions of the Income-tax Act, 2025, the Company would be required to apply withholding tax/ deduct taxes at source (TDS) at the prescribed rates on the dividend paid to its shareholders at the time of payment of dividend, at rates based on the category of shareholders. In this regard, we enclose herewith communication circulated on 27.08.2026 to the Shareholders of the Company whose email IDs are registered with Company or Depository Participants (copy also placed at website of the Company under the link Intimation-of-TDS-on- Dividend-for-FY-2025-26.pdf explaining the process on withholding tax from dividends paid to the shareholders at prescribed rates along with necessary annexures. This is for your 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 Hindustan Copper Limited (CIN: L27201WB1967GOI028825) Regd. Office: ‘Tamra Bhavan’, 1, Ashutosh Chowdhury Avenue, Kolkata – 700 019 Phone: (033) 2283-2226, 2202-1000, E-mail : investors_cs@hindustancopper.com Website: www.hindustancopper.com Date: 26th August 2026 Dear Shareholder(s), Subject: Communication in respect of Tax Deduction at Source on final dividend for the Financial Year (‘FY’) 2025-26 We are pleased to inform that the Board of Directors of Hindustan Copper Limited (HCL/ the Company) in its meeting held on 15.05.2026 had recommended payment of dividend @ Rs. 1.86/- per equity share having face value of Rs. 5/- each for FY 2025-26. The dividend will be paid to the shareholders of the Company after declaration of dividend at the Annual General Meeting of the Company scheduled to be held on 23.09.2026. Payment of dividend will be made to those members whose names will be on the Company's Register of Members and to those, whose name will appear as Beneficial Owners as per the details to be furnished by the Depositories, viz. National Securities Depository Limited (NSDL) and Central Depository Services (India) Limited (CDSL) for this purpose as on 16.09.2026. As per the provisions of the Income-tax Act, 2025 (the ‘Act’/ ‘IT Act’), the Company would be required to apply withholding tax/ deduct taxes at source (TDS) at the prescribed rates on the dividend paid to its shareholders at the time of payment of dividend, at rates based on the category of shareholders and subject to fulfilment of conditions as provided herein below. The withholding tax rate would vary depending on the residential status of the shareholder and the documents submitted by them and as acceptable to the Company. Accordingly, you are requested to please ensure that the below details, as applicable to you, are submitted for the purpose of complying with the applicable TDS provisions: • Valid Permanent Account Number (PAN); • Residential status as per the Act, i.e., Resident or Non-Resident for Financial Year ('FY') 2026-27 (i.e., 1st April, 2026 to 31st March, 2027); • Category of the Shareholder, viz. Mutual Fund, Insurance Company, Alternate Investment Fund (AIF) - Category I, II and III, Government (Central/ State Government), Corporation established by/ or under the Central Act, Foreign Portfolio Investor (FPI)/ Foreign Institutional Investor (FII), Foreign Company, Individual, Hindu Undivided Family (HUF), Firm, Limited Liability Partnership (LLP), Association of Persons (AOP), Body of Individuals (BOI) or Artificial Juridical Person, Trust, Domestic Company, etc.; • Address with PIN code (including country). Please note that these details as available on the Record Date viz., 16.09.2026 will be relied upon by the Company for the purpose of complying with the applicable withholding tax provisions. Pursuant to the General Circular No. 20/2020 dated 5th May, 2020 issued by Ministry of Corporate Affairs, the dividend will be paid electronically in the Members bank accounts. The Members holding shares in demat form are advised to keep the bank details updated with their depository participants. SEBI vide its Master Circular No. HO/38/13/(4)2026-MIRSD-POD/I/4298/2026 dated 6th Feb, 2026 has mandated that with effect from April 1, 2024, dividend to security holders (holding securities in physical form), shall be paid only through electronic mode. Such payment shall be made only after furnishing the PAN, contact details including mobile number, bank account details and specimen signature. If the KYC details are not updated by the shareholder, then the dividend will be withheld by the Company. Further, as per SEBI (Listing Obligations and Disclosure Requirements) (Fifth Amendment) Regulations, 2025 w.e.f. 19.11.2025, the company will distribute dividends amounts using only electronic payment methods approved by the Reserve Bank of India (RBI). Applicable provisions of Tax Deducted at Source are as under: I. For Resident Shareholders – Tax will be deducted at source under section 393(1) read with section 393(4) of the IT Act @ 10% on the amount of dividend payable to resident shareholders by the Company during FY 2026-27, subject to furnishing of valid Permanent Account Number (PAN) by the Member. If shareholders do not have PAN/ have not registered their valid PAN details in their demat account / PAN is found to be inoperative on non-linking of PAN with Aadhaar/ is invalid before Record date, TDS would be deducted @ 20% under section 393(1) [Table: Sl. No. 7] read with section 397(2) of the IT Act. For this purpose, the Company will be using online functionality of the Income-tax department for determining status of PAN of the shareholder and no claim shall lie against the Company in case of higher tax deduction. a. Resident Individuals: No tax shall be deducted on the dividend payable to resident individuals if – i. Total dividend amount to be received by them during the Financial Year 2026-27 does not exceed INR 10,000; or ii. The income of the member is below the taxable limit and a written declaration is received from the member in the prescribed Form 121 (which replaces Form 15G/15H under the erstwhile Income tax Act, 1961), along with a self-attested copy of valid PAN, subject to eligibility conditions being met as per provision of the IT Act. Please note that the shareholders are required to fill Part A of Form 121 (in full; including the declaration thereto) and Part B (at Sr. No. 8 to 18 only). Format of Form 121 is enclosed as Annexure 1; or iii. Exemption certificate is issued by the Income-tax Department, if any. Note: 1. Recording of the Permanent Account Number (PAN) for the registered Folio/ DP ID-Client ID is mandatory. In the absence of valid PAN, tax will be deducted at a higher rate of 20%, as per Section 397(2) of the Act. 2. Shareholders are requested to update/ verify the PAN, and the residential status as per the Act, if not already done, with the depositories (in case of shares held in demat mode) and with the Company’s Registrar and Transfer Agent (in case of shares held in physical mode). b. Resident Non-Individuals: In case of certain class of resident Members other than individuals who are covered under the provisions of Sections 393, 393(4) [Table: Sl. No. 10] and 393(6) of the IT Act, no tax shall be deducted at source ('Nil rate') where they provide details and documents as per the format attached in Annexure 2. i. Insurance Companies: Public & Other Insurance Companies, self-declaration that it has a full beneficial interest with respect to the shares owned by it, along with self-attest [Showing first 8,000 characters — download PDF for full document]