This is to inform you that in terms of Company''s Code of Conduct for Prevention of Insider Trading the Trading Window of the Company will remain closed from 1st October, 2026 till 48 hours after the declaration of Unaudited Financial Results for the quarter ended on 30th September, 2026.

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 26th September, 2026 BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai - 400 001 Company Code No. 537536 Dear Sir/Madam, Sub: Intimation of Closure of Trading Window Pursuant to BSE’s Circular No. LIST/COMP/01/2019-20 dated 2nd April, 2019 and as per Clause 4 of the Schedule B and other applicable regulations of SEBI (Prohibition of Insider Trading) Regulations, 2015, this is to inform you that in terms of Company’s Code of Conduct for Prevention of Insider Trading, the Trading Window of the Company will remain closed w.e.f. 1st October, 2026 till 48 hours after the declaration of Unaudited Financial Results for the quarter ended on 30th September, 2026. 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