Resignation of Ms. Gargi Sawant as Company Secretary and Compliance Officer of the Company with effect from close of business hours of September 09, 2026.

Date: September 09, 2026 Listing/Compliance Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400001 BSE Scrip Code: 540078 ISIN: INE317V01016 Sub: Intimation of Resignation of Company Secretary & Compliance Officer as per Regulation 30 of SEBI(LODR)Regulations, 2015. Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI LODR Regulations”) and the SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024, we hereby inform you that Ms. Gargi Sawant, Company Secretary and Compliance Officer of Mitsu Chem Plast Limited, has tendered her resignation from the position of Company Secretary and Compliance Officer of the Company with effect from close of business hours of September 09, 2026 on account of personal reasons. Kindly acknowledge the receipt of the same. FOR MITSU CHEM PLAST LIMITED MANISH DEDHIA MANAGING DIRECTOR & CFO Annexure A Disclosure of details pursuant to Regulation 30 of the SEBI Listing Regulations read with SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024 Resignation of Ms. Gargi Sawant, Company Secretary and Compliance Officer Sr. Particulars Details 1. Reason for change viz. Resignation of Ms. Gargi Sawant appointment, re-appointment, from the post of Company Secretary resignation, removal, death or and Compliance Officer of the otherwise; Company due to her personal reasons 2. date of appointment/re- w.e.f. from close of business hours appointment/cessation (as on September 09, 2026 applicable) & term of appointment/re-appointment 3. brief profile (in case of Not Applicable appointment); 4. disclosure of relationships between Not Applicable directors (in case of appointment of a director). Gargi Suresh Sawant Flat No. 12, Orchid Lily CHS, Majiwada Village, Thane (West) 9th September 2026 The Board of Directors Mitsu Chem Plast Limited 329, Gala Complex, Din Dayal Upadhyay Road Mulund (W), Mumbai- 400080, India. Sub: Resignation from the post of Company Secretary (KMP) and Compliance Officer of the Company Dear Sir/Madam, I hereby tender my resignation from the post of Company Secretary & Compliance Officer (KMP) of the Company and all other statutory/designated positions in the Company with effect from close of business hours of 9th September 2026 on account of personal reasons. I would like to thank all the Board members and my colleagues for their support, guidance and cooperation during my tenure with the Company. Kindly acknowledge the receipt of this letter and please arrange for necessary filings and submissions to the MCA, BSE and other authorities, wherever required for giving effect to my resignation. Thanking You, Yours Faithfully, Gargi Suresh Sawant Company Secretary & Compliance Officer (Mem No: ACS40804)