Change in Management

HINDUSTAN COMPOSITES LTD. Peninsula Business Park, Tower A, 8th Floor, Senapati Bapat Marg, Lower Parel, Mumbai -400 013. Tel.:(91) (22) 6688 0100 Email: hcl@hindcompo.com Website: www.hindcompo.com GIN No. L29120MH1964PLC012955 10th July, 2026 The Manager-DCS The Manager – Listing BSE Limited National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, ‘G’ Block Dalal Street, Mumbai- 400 001 Bandra Kurla Complex, Scrip Code: 509635 Bandra (East), Mumbai – 400 051 SYMBOL: HINDCOMPOS Dear Sir/Madam, Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("Listing Regulations") - Resignation of Secretarial Auditor. Pursuant to the provisions of Regulation 30 read with Part A of Schedule III of of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, We wish to inform that M/s. MR & Associates (Firm Registration No. - P2003WB008000), Practicing Company Secretaries, have tendered their resignation vide their letter dated 10th July, 2026 from the position of Secretarial Auditors of the Company with effect from 10th July, 2026. The resignation letter including reasons mentioned therein received from the Secretarial Auditors is enclosed herewith. The disclosure pursuant to Regulation 30 read with Part A of Schedule III of the Listing Regulations read with the SEBI Master Circular No. HO/49/14/14(7)2025-CFDPOD2/I/3762/2026 dated 30th January, 2026, is enclosed herewith as Annexure – A. The date and time of occurrence of event is 10th July, 2026 at 11.52 a.m. 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 stated above Regional Offices -MUMBAI • '.'\'EW DELHI * KOLKATA • CHENNAI C OMPOSITES Annexure A The resignation of M/s. MR & Associates, Practicing Company Secretaries: Sr. Particulars Details 1) Reason for change viz. appointment, re- Resignation appointment, resignation, removal, death or otherwise; 2) Date of appointment / M/s. MR & Associates (Firm Registration re-appointment / cessation (as No. - P2003WB008000), Company Secretaries applicable) & term of appointment / re- in Practice have tendered their resignation appointment vide their letter dated 10th July, 2026 from the position of Secretarial Auditors with effect from 10th July, 2026. 3) Brief profile (in case of appointment) Not Applicable. 4) Disclosure of relationships between Not Applicable. directors (in case of appointment of a director). 5) Information required pursuant to BSE Not Applicable Circular no. LIST/COMP/14/2018-19 and NSE Circular No. NSE/CML/2018/24 dated 20th June, 2018. }lssociates COMPANY SECRETARIES (Peer Reviewed Firm) 46, B. 8. Ganguly Street, 406, Kolkata - 700 012 Tel No: 033 2237 9517 / 4007 7907 Email : mrasso1996@gmail.com / goenkamohan@gmail.com Dated--! 0.07.2026 The Board of Directors HJ DU TAN COMPOSITE LIMITED PENINSULA BUSINESS PARK, A TOWER gm FLOOR, SENAPATI BAPAT MARG, LOWER PAREL, Mumbai-400013 Subject: Resignation as Secretarial Auditor Dear Sir/Madam, We refer to our appointment as the Secretarial Auditor of Hindustan Composites Limited for a term of 5(five) consecutive years with effect from financial year 2025-26 onwards. However, due to the considerable distance bel\veen our office at Kolkata and the Company's Registered Office at Mumbai, we have decided to resign as the Secretarial Auditor of the Company with effect from 10th July 2026. We thank the Board and the management for the support and cooperation extended to us during our association with the Company. We request you to take our resignation on record and complete the necessary formalities as required under the applicable provisions of the Companies Act, 2013, the rules made thereunder, and the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended from time to time. Thanking you. Yours faithfully, For MR & As ociates Partner Cs Mohan Ram Goenka CP o. 2551