Format of Initial Disclosure to be made by an entity identified as a Large Corporate. Sr. No. Particulars Details 1Name of CompanyChemiesynth (Vapi) Ltd 2CIN NO.L24110GJ1986PLC008634 3 Outstanding borrowing of company as on 31st March / 31st December, as applicable (in Rs cr) 9.07 4Highest Credit Rating during the previous FY NA 4aName of the Credit Rating Agency issuing the Credit Rating mentioned in (4)Not Applicable 5Name of Stock Exchange# in which the fine shall be paid, in case of shortfall in the required borrowing under the frameworkBSE We confirm that we are a Large Corporate as per the applicability criteria given under the SEBI circular SEBI/HO/DDHS/CIR/P/2018/144 dated November 26, 2018. No Name of the Company Secretary: Pranali Dholabhai Designation: Company secretary EmailId: compliance@chemiesynth.com Name of the Chief Financial Officer: Suresh Lad Designation: Chief Financial Officer EmailId: parimal.accounts@chemiesynth.com Date: 15/04/2026 Note: In terms para of 3.2(ii) of the circular, beginning F.Y 2022, in the event of shortfall in the mandatory borrowing through debt securities, a fine of 0.2% of the shortfall shall be levied by Stock Exchanges at the end of the two-year block period. Therefore, an entity identified as LC shall provide, in its initial disclosure for a financial year, the name of Stock Exchange to which it would pay the fine in case of shortfall in the mandatory borrowing through debt markets.

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Chemiesynth (Vapi) Ltd.

06 Apr 2026

Company Update

Chemiesynth (Vapi) Ltd - 539230 - Compliances-Certificate under Reg. 74 (5) of SEBI (DP) Regulations, 2018

BSE India

compliance certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulation, 2018 for the quarter ended March 31, 2026

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Chemiesynth (Vapi) Ltd.

25 Mar 2026

Corp. Note

Chemiesynth (Vapi) Ltd - 539230 - Board Meeting Outcome for Outcome Of Board Meeting

BSE India

Appointment of Internal Auditor for the Financial Year 2025-26 & 2026-27.

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Chemiesynth (Vapi) Ltd.

25 Mar 2026

Company Update

Chemiesynth (Vapi) Ltd - 539230 - Disclosure Under Regulation 30 Of SEBI (Listing Obligations And Disclosure …

BSE India

Disclosure under regulation 30 of SEBI (LODR) Regulation, 2015 -appointment of Internal Auditor for the financial year 2025-26 & 2026-27

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Chemiesynth (Vapi) Ltd.

25 Mar 2026

SAST

Chemiesynth (Vapi) Ltd - 539230 - Closure of Trading Window

BSE India

Pursuant to SEBI(PIT) Regulation, 2015 the trading window for dealing in the equity shares of the company will be closed for all directors, designated persons, connected person and immediate relatives with effect from 01 st April 2026 till the expiry of 48 hours after declaration of Audited Financial Results of the company for the quarter and year ending 31st March 2026

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Chemiesynth (Vapi) Ltd.

14 Feb 2026

Company Update

Chemiesynth (Vapi) Ltd - 539230 - Announcement under Regulation 30 (LODR)-Newspaper Publication

BSE India

please find enclosed herewith the newspaper Advertisement Published on 14th February 2026 regarding the un-audited financial results for the quarter and nine months ended 31st December, 2025

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