Proceedings of 42nd Annual General Meeting.

7th August, 2026 BSE Limited National Stock Exchange of India Limited Department of Corporate Services Exchange Plaza, Bandra-Kurla Complex, Phiroze Jeejeebhoy Towers, Mumbai- 400 051 Dalal Street, Mumbai- 400 001 Scrip Symbol: CHEMPLASTS Scrip Code - 543336 Dear Sir/Madam, Sub: Proceedings of 42nd Annual General Meeting held on 7th August, 2026 Pursuant to Regulation 30 read with Para A (13) of Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that the 42nd Annual General Meeting (“AGM”) of the Members of Chemplast Sanmar Limited was held today (Friday), 7th August, 2026 at 3.00 PM IST through Video Conferencing ("VC") / Other Audio Visual Means ("OAVM"). 51 Members attended the AGM through VC/OAVM. The following items of business were transacted at the aforesaid meeting: Ordinary Business: 1. Consideration and approval of: a) the Audited Standalone Financial Statements of the Company for the financial year ended March 31, 2026 together with the Reports of the Auditors thereon and Board of Directors; and b) the Audited Consolidated Financial Statements of the Company for the financial year ended March 31, 2026 together with the Report of Auditors thereon. 2. Appointment of Mr Vijay Sankar (DIN: 00007875) as Director, liable to retire by rotation. Special Business: 3. Appointment of Mr V S Radhakrishnan (DIN: 08064705) as Non-Executive and Non-Independent Director of the Company in the casual vacancy caused by the resignation of Mr Sumit Maheshwari (DIN: 06920646) 4. Ratification of payment of remuneration of Rs. 5,75,000 (Rupees Five Lakhs Seventy Five Thousand Only), apart from reimbursement of out-of-pocket expenses and applicable taxes, to N Sivashankaran & Co., Cost Accountants, (Firm Registration No. 100662), for carrying out Cost Audit of the Company for the Financial Year 2026-27 5. Payment of Commission/ Remuneration to Independent Directors, for a period of three (3) years from Financial Year 2026-27 to 2028-29 The Meeting concluded with vote of thanks by the Chairman at 4.03 P.M. We enclose a summary of the proceedings of the 42nd Annual General Meeting (AGM) of the Company – Annexure 1. This is for your information and records. Thanking you, Yours faithfully, For CHEMPLAST SANMAR LIMITED P Srinivasan Company Secretary & Compliance Officer Memb. No. ACS 10129 CHEMPLAST SANMAR LIMITED Annexure1 to the letter dt. 7th August, 2026 Summary of the proceedings of the 42nd Annual General Meeting held on 7th August, 2026 The 42nd Annual General Meeting (AGM) of Chemplast Sanmar Limited ("the Company") was held through video conferencing/ other audio-visual means (OAVM) on Friday, the 7th August, 2026 at 3.00 PM. Since the requisite quorum was present, Mr Vijay Sankar, Chairman, declared the meeting open. 51 Members were present at the meeting. The Chairman informed that the notice convening the meeting has been circulated by e-mail and hosted on the website of the Company and also made available on website of the stock exchanges viz., BSE and NSE, and it may be taken as read. The Chairman informed that Auditor's Report being an unqualified / unmodified one is not required to be read out at the AGM as per the provisions of Section 145 of the Companies Act, 2013. The Chairman then delivered his speech to the members. In his speech, he gave an overview of Company's business, its challenges due to global uncertainties, pricing pressures, and volatile input costs, Growth of Specialty Chemicals segment including Custom Manufactured Chemical Division, Refrigerant Gas (R32), Constitution of Independent Directors' Committee to evaluate strategic and value- enhancing opportunities, Commissioning of R32 Swing Plant and Phase III of the third Multi-Purpose Block at Berigai during Q1 FY27, Positive long-term outlook driven by China+1, domestic demand growth, and supply-chain diversification, Commitment to operational excellence, sustainability, and long-term shareholder value creation. After conclusion of his speech, he informed that the Company has provided e-voting facility to its members to cast vote electronically who have not exercised remote e-voting. The following businesses as per the 42nd AGM notice, were transacted: Ordinary Business: 1. Consideration and approval of: a) the Audited Standalone Financial Statements of the Company for the financial year ended March 31, 2026 together with the Reports of the Auditors thereon and Board of Directors; and b) the Audited Consolidated Financial Statements of the Company for the financial year ended March 31, 2026 together with the Report of Auditors thereon. 2. Appointment of Mr Vijay Sankar (DIN: 00007875) as Director, liable to retire by rotation. Special Business: 3. Appointment of Mr V S Radhakrishnan (DIN: 08064705) as Non-Executive and Non-Independent Director of the Company in the casual vacancy caused by the resignation of Mr Sumit Maheshwari (DIN: 06920646) 4. Ratification of payment of remuneration of Rs. 5,75,000 (Rupees Five Lakhs Seventy Five Thousand Only), apart from reimbursement of out-of-pocket expenses and applicable taxes, to N Sivashankaran & Co., Cost Accountants, (Firm Registration No. 100662), for carrying out Cost Audit of the Company for the Financial Year 2026-27 5. Payment of Commission/ Remuneration to Independent Directors, for a period of three (3) years from Financial Year 2026-27 to 2028-29 The queries raised by the members at the meeting were replied by Mr Vijay Sankar, Chairman. The Chairman announced that the e-voting window will be open for 15 minutes after the closure of the proceedings of the meeting for the members who had not exercised their votes through remote e-voting. The Chairman also informed that the results of the remote e-voting / e-voting during the Meeting, would be announced to Stock Exchanges and will be hosted on the website of the Company on or before Tuesday, 11th August, 2026. The Meeting concluded with vote of thanks by the Chairman at 4.03 P.M. For CHEMPLAST SANMAR LIMITED P Srinivasan Company Secretary & Compliance Officer Memb. No. ACS 10129