Change in Management

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 30th September, 2026 To The Manager – Listing The Manager-DCS National Stock Exchange of India Ltd. BSE Limited Exchange Plaza, 5th Floor, ‘G’ Block Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Mumbai- 400 001 Bandra (East), Mumbai – 400 051 Scrip Code: 509635 SYMBOL: HINDCOMPOS Dear Sir/Madam, Sub: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to the provisions of Regulations 30 read with Schedule III, Part A of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘Listing Regulations’), we wish to inform you that the members of the Company at their 62nd Annual General Meeting (AGM) held on Tuesday, 29th September, 2026 through Video Conferencing (“VC”)/ Other Audio-Visual Means (“OAVM”), inter alia, have approved the appointment of M/s. R M Mimani & Associates LLP, a peer reviewed firm of Company Secretaries in Practice (Firm Registration No. - L2015MH008300), as Secretarial Auditors of the Company for a term of 5 (five) consecutive years with effect from financial year 2026-27 till financial year 2030-31, in compliance with Regulation 24(A) of Listing Regulations. 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 AGM commenced at 11.45 a.m. and concluded at 12.24 p.m. and result of which is declared today i.e. 30th September, 2026 at 4.00 p.m. Kindly take the above on your record. Thanking you, Yours faithfully, For Hindustan Composites Limited Arvind Purohit Company Secretary and Compliance Officer Membership No. A33624 Encl.: As stated 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 Annexure A Appointment of M/s. R M Mimani & Associates LLP, Company Secretaries in Practice as Secretarial Auditors of the Company: Sr. No. Particulars Details 1 Reason for change viz. appointment, Appointment re-appointment, resignation, removal, death or otherwise; 2 Date of appointment / re- The members of the Company at their 62nd appointment / cessation (as AGM held on 29th September, 2026 appointed applicable) & term of appointment / M/s. R M Mimani & Associates LLP (Firm re-appointment Registration No. - L2015MH008300), Company Secretaries in Practice as Secretarial Auditors of the Company for a term of 5 (five) consecutive years with effect from financial year 2026-27 till financial year 2030-31. 3 Brief profile (in case of appointment) M/s. R M Mimani & Associates LLP is a reputed firm of Company Secretaries in Practice with 25 years of excellence and have a track record of providing professional services in the field of comprehensive compliance & regulatory services seamlessly managing the complex requirements of MCA, RBI, SEBI, and stock exchanges, Secretarial Audit & Compliance Assurance Services, Fundraising & Integrated Listing Compliance, IPO Readiness, Pre & Post Listing Compliance, Corporate Restructuring, Mergers & Demergers and Corporate Advisory and Legal Opinions etc. M/s. R M Mimani & Associates LLP is registered with the Institute of Company Secretaries of India (ICSI) vide Firm Registration No. - L2015MH008300 and is a Peer Reviewed Firm and holds a valid peer review certificate issued by the Peer Review Board of ICSI vide Certificate No.: 7602/2026. 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