Please find enclosed herewith the announcement under Regulation 30 for the Following 1. Appointment of Company Secretary and Compliance Officer of the Company. 2. Appointment of M/s. Maharshi Ganatra & Associates , Practising Company Secretaries, a Peer Reviewed Firm as the Secretarial Auditor of the Company.

October 31, 2026 The General Manager, Listing Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400 001 Scrip Code: 540078 Dear Sir/Madam, Subject: Outcome of Board Meeting held on Saturday, October 31, 2026 Pursuant to provisions of Regulation 30 and Regulation 33 read with Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Board of Directors of the Company in their meeting held today, Saturday, October 31, 2026 has inter alia, approved the following matters amongst others: - 1. The Unaudited Standalone Financial Results of the Company for the quarter ended September 30, 2026. A copy of the unaudited standalone financial results, along with the Limited Review Report of the Auditors, is enclosed herewith as ‘Annexure-1’; 2. Appointment of Ms. Damini Salunke (Membership No. A77527) as the Company Secretary and Compliance Officer of the Company with effect from October 31, 2026, designated as the Key Managerial Personnel pursuant to Section 203 of the Companies Act, 2013, and as the Compliance Officer pursuant to Regulation 6(1) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”). Details with respect to Change in Key Managerial Personnel (Appointment of Company Secretary and Compliance Officer) as required under Regulation 30 read with Part A of Schedule III of the SEBI Listing Regulations and SEBI Master Circular HO/49/14/14(7)2025- CFD-POD2/I/3762/2026 dated 30th January, 2026, is provided in ‘Annexure-2’; 3. Appointment of M/s. Maharshi Ganatra & Associates, Practising Company Secretaries, a Peer reviewed firm (Membership Number FCS: 11332; COP: 14520), as the Secretarial Auditor of the Company to fill the casual vacancy arising from the resignation of the existing Secretarial Auditor, to hold office until the conclusion of the ensuing Annual General Meeting. The brief profile of the Secretarial auditor is enclosed herewith as ‘Annexure - 3’; 4. The Board was informed that the existing Statutory Auditors of the Company, M/s. Gokhale & Sathe, Chartered Accountants, have been converted into a Limited Liability Partnership (LLP) under the name and style of M/s. Gokhale & Sathe LLP, with effect from 27th August 2026. The registration formalities with the Institute of Chartered Accountants of India (ICAI) have been duly completed, and the LLP has been allotted Firm Registration Number 103264W/W101312. The Board of Directors meeting commenced at 03:00 PM and concluded at 05:00 P.M. Kindly take the above information on your record and acknowledge it. Thanking you. Yours faithfully, FOR MITSU CHEM PLAST LIMITED Manish Mavji Dedhia Managing Director & CFO DIN: 01552841 Encl: as above ‘Annexure-1’ ‘Annexure-2’ Appointment of Company Secretary and Compliance Officer Sr. No. Particulars Details 1 Reason for change viz. Ms. Damini Salunke, a qualified Company appointment, resignation, Secretary (Membership No. A77527), as the removal, death or otherwise. Company Secretary & Compliance Officer designated as Key Managerial Personnel of the Company. 2 Date of appointment / cessation (as October 31, 2026 applicable) 3 Brief profile (in case of Ms. Damini Salunke is a qualified Company appointment) Secretary with over 2 years of experience in corporate secretarial and compliance functions. She has experience in handling statutory and regulatory compliances under the Companies Act, 2013, SEBI Regulations and other applicable laws, with exposure to private, public and listed companies. 4 Disclosure of relationships Not Applicable. between directors (in case of appointment of a director) ‘Annexure-3’ Brief Profile of Secretarial Auditor Name of the Auditor Maharshi Ganatra & Associates, Practicing Company Secretaries Reason for change Appointment Date of Appointment and Terms Appointment w.e.f. October 31, 2026 till the of Appointment conclusion of the Annual General Meeting of the Company to be held for the FY 2026-27 Brief Profile Maharshi Ganatra & Associates is a Peer Reviewed Practising Company Secretaries Firm established by Maharshi Ganatra in 2014. Maharshi Ganatra is a Fellow Member of the Institute of Company Secretaries of India (ICSI), holding Membership No. F11332 and Certificate of Practice No. 14520. The firm specialises in Corporate Laws, Tax Laws and other allied laws, providing comprehensive advisory, audit, corporate secretarial and legal services to both domestic and international clients. With in-depth knowledge and professional expertise, the firm is committed to delivering reliable, practical and compliance-oriented solutions tailored to the diverse requirements of its clients. Disclosure of relationships Not Applicable between directors (in case of appointment of a director)