General Updates

HINDUSTAN COMPOSITES LTD. Peninsula Business Park, Tower “A”, 8th Floor, 801, Senapati Bapat Marg, Lower Parel, Mumbai - 400 013. Tel.: (91) (022) 6688 0100 | E-mail : hcl@hindcompo.com | Website : www.hindcompo.com | CIN No. L29120MH1964PLC012955 3rd September, 2026 The Manager The Manager – Listing Department of Corporate Services National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, ‘G’ Block, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Fort, Mumbai- 400 001 Bandra (East), Mumbai – 400 051 Scrip Code: 509635 SYMBOL: HINDCOMPOS Dear Sir/Madam, Sub: Intimation under Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), we hereby inform you that the letters providing web-link, including the exact path, where complete details of the Annual Report for financial year 2025-26 including Notice of 62nd Annual General Meeting (“AGM”) is available, as required under Regulation 36(1)(b) of the Listing Regulations, are being dispatched today i.e. on 3rd September, 2026, to those members holding shares of the Company on 28th August, 2026 and who have not registered their e-mail addresses with the Company/ Depositories/ Registrar and Share Transfer Agent. A specimen copy of the letter is enclosed for your record. The same is also available on the website of the Company viz. at www.hindcompo.com. Kindly take the above on your record. Thanking You, Yours faithfully, For Hindustan Composites Limited Arvind Purohit Company Secretary & Compliance Officer Membership No.: A33624 Encl.: as above HINDUSTAN COMPOSITES LTD. Peninsula Business Park, Tower“A”, 8th Floor, 801, Senapati Bapat Marg, Lower Parel, Mumbai - 400 013. Tel.: (91) (022) 6688 0100 | E-mail: hcl@hindcompo.com | Website: www.hindcompo.com | CIN No.: L29120MH1964PLC012955 Date : 3rd September, 2026 Dear Shareholder, Sub.: Notice of 62nd Annual General Meeting of Hindustan Composites Limited and Annual Report for the Financial Year 2025-26. We are pleased to inform you that the 62nd Annual General Meeting ('AGM') of the members of Hindustan Composites Limited (”the Company‟) is scheduled to be held on Tuesday, 29thSeptember, 2026, at 11:45 a.m. (IST) through Video Conferencing ('VC') facility / Other Audio Visual Means ('OAVM') in accordance with the relevant Circulars issued by Ministry of Corporate Affair and Securities Exchange Board of India (”SEBI‟) from time to time. As per Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, the web-link, including the exact path, where complete details of the Annual Report are available is required to be sent to those shareholder(s) who have not registered their email address(es) either with the Company or its Registrar & Share Transfer Agent (”RTA‟) or with any depository. Accordingly, in compliance with the afore mentioned provisions, the Company is hereby sending this letter to those shareholders who have not registered their email address either with the Company or any Depository or RTA of the Company, as on 28th August, 2026, providing the following web links: Website: www.hindcompo.com Exact path of Annual Report 2025-26:https://www.hindcompo.com/investor-relations/annual-reports BSE: www.bseindia.com NSE: www.nseindia.com In case you wish to register the email address, please approach your respective DPs, if you hold shares in electronic form and if you hold shares in physical form, kindly write to RTA of the Company at their address mentioned below: MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) C-101, Embassy 247, LBS Marg, Vikhroli (West), Mumbai – 400083, Maharashtra. Tel No: + (91) 8108116767 Email: investor.helpdesk@in.mpms.mufg.com You are also requested to update your email address, at the earliest, either through your depository participants for electronic holding or by sending communication to our RTA at above mentioned contact details to continue receiving all important information & documents thereafter and encourage Green Initiative. Key details for the AGM are as under: Date, Time & Venue of AGM : Tuesday, 29th September, 2026, at 11:45 a.m. (IST) through VC / OAVM. Cut-off date / Record date for determining eligibility of members for e-voting and Dividend: Tuesday, 22nd September, 2026; Remote e-voting start date and time: Saturday, 26thSeptember, 2026 (9:00 hrs.); Remote e-voting end date and time: Monday, 28th September, 2026 (17:00 hrs.); Rate of Dividend: @ 40% i.e. Rs. 2/- (Rupees Two only) per Equity Share. As mandated by the SEBI, in order to receive dividend in your bank accounts, kindly ensure that your folio / demat account is KYC compliant and any payment including dividend, will be made only through electronic mode. The detailed procedure for KYC updation is provided in the Notice of 62nd AGM. Thanking you, Yours faithfully, For HINDUSTAN COMPOSITES LIMITED Sd/- Mr. Arvind Purohit Company Secretary & Compliance Officer Membership No. A33624