With reference to our letter dated 29th July, 2026, this is to inform you that the Shareholders/ Members in their 45th Annual General Meeting (AGM) held on Friday, the 25th September, 2026 have confirmed the appointment of M/s. Kashyap R. Mehta & Partners, Practising Company Secretaries as Secretarial Auditors of the Company to conduct Secretarial Audit for a term of five (5) consecutive years commencing from FY 2026-27 to FY 2030-31.

DENIS CHEM LAB LIMITED MANUFACTURERS OF PARENTERAL PRODUCTS [CIN: L24230GJ1980PLC003843] ADDRESS: 401 – ABHISHREE, OPP. OM TOWER, SATELLITE ROAD, AHMEDABAD – 380 015 GUJARAT, INDIA TEL.: +91 (79) 26925716, 26925719 FAX: +91 (79) 26925710 Email:denischem401@gmail.com 25th September, 2026 BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai - 400 001 Company Code No. 537536 Dear Sirs, Sub: Intimation of Appointment of Secretarial Auditors of the Company With reference to our letter dated 29th July, 2026, this is to inform you that the Shareholders/ Members in their 45th Annual General Meeting (AGM) held on Friday, the 25th September, 2026 have confirmed the appointment of M/s. Kashyap R. Mehta & Partners, Practising Company Secretaries as Secretarial Auditors of the Company to conduct Secretarial Audit for a term of five (5) consecutive years commencing from FY 2026-27 to FY 2030-31. The necessary disclosures under Regulation 30 of Listing Regulations are as under:- Sr. No. Disclosure Details of Secretarial Auditor requirement (a) Name of Auditors M/s. Kashyap R. Mehta & Partners, Practising Company Secretaries (b) Reason for change Appointment (c) Date of appointment & 25th September, 2026 Terms for Appointment The Shareholders in their 45th AGM held on 25th September, 2026 appointed M/s. Kashyap R. Mehta & Partners, Practising Company Secretaries as Secretarial Auditors of the Company for a term of five (5) consecutive years to conduct the Secretarial Audit for financial years commencing from FY 2026-27 to FY 2030-31. (d) Brief Profile Kashyap R. Mehta & Partners (‘the Firm’) is a partnership of Practising Company Secretaries based in Ahmedabad (Gujarat, India) delivering integrated legal & advisory services in the fields of Corporate & Allied Laws, Capital Markets and Corporate Governance. Yash K. Mehta, Managing Partner has a post qualification experience of more than 15 years. He has been heading the private practice at his proprietorship concern since its founding in 2015. He brings a modern, analytical and transaction focused approach to the Firm. Kashyap R. Mehta & Partners, Practising Company Secretaries offer a full spectrum of corporate, secretarial, regulatory, compliance services, and legal & regulatory services relating to various Corporate Laws and SEBI Laws and stock exchange related matters. (e) Disclosure of None relationships between REGD OFFICE & FACTORY: BLOCK NO. 457, VILLAGE: CHHATRAL, TAL: KALOL (N.G.) DIST: GANDHINAGAR – 382 729 GUJARAT, TEL: +91 (2764) 233596, 233613 FAX: +91 (2764) 233896 WEB: www.denischemlab.com DENIS CHEM LAB LIMITED MANUFACTURERS OF PARENTERAL PRODUCTS [CIN: L24230GJ1980PLC003843] ADDRESS: 401 – ABHISHREE, OPP. OM TOWER, SATELLITE ROAD, AHMEDABAD – 380 015 GUJARAT, INDIA TEL.: +91 (79) 26925716, 26925719 FAX: +91 (79) 26925710 Email:denischem401@gmail.com Sr. No. Disclosure Details of Secretarial Auditor requirement Directors (in case of appointment of a director) Kindly find the same in order and acknowledge receipt of the same. Thanking you, Yours faithfully, FOR DENIS CHEM LAB LIMITED HIMANSHU C. PATEL MANAGING DIRECTOR DIN :00087114 REGD OFFICE & FACTORY: BLOCK NO. 457, VILLAGE: CHHATRAL, TAL: KALOL (N.G.) DIST: GANDHINAGAR – 382 729 GUJARAT, TEL: +91 (2764) 233596, 233613 FAX: +91 (2764) 233896 WEB: www.denischemlab.com