please find enclosed herewith the Newspaper advertisement of unaudited financial result for the quarter ended 30th June 2026

CHEMIESYNTH (VAPI) LIMITED Regd office: Plot No. 27, GIDC, Phase-1, Vapi – 396195, Gujarat. CIN: L24110GJ1986PLC008634, GST Reg no: 24AAACC9688H1ZC, Telephone no: 022-21010500, Web: https://www.chemiesynth.com Email id: compliance@chemiesynth.com Date: 14/08/2026 The Listing Department/ Corporate Compliance Department, BSE Limited P.J. Tower, Dalal Street, Mumbai 400001. Scrip Code: 539230. SUB: Submission of Newspaper Advertisement regarding publication of unaudited Financial Results for the Quarter ended 30th June, 2026. Dear Sir/Madam, This is to inform that pursuant to Regulation 47 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Company had published there unaudited Financial Results for the Quarter ended as on 30th June, 2026 which were approved in the Board meeting held on Wednesday 12th August, 2026 in one English and Gujarati language newspaper. The above advertisement was published on Friday, 14th August 2026. The details are as follows: - (1) Indian Express-English (2) Financial Express-Gujarati Kindly take the above information on record. Thanking You, Yours Faithfully, For Chemiesynth (Vapi) Limited Pranali Dholabhai Company Secretary & Compliance Officer Place: Vapi, Gujarat. Encl.: Copy of Newspapers.