Intimation regarding Notice of Postal Ballot.

October 30, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra Kurla Complex Dalal Street, Mumbai – 400 001 Mumbai – 400 050 Scrip Code - 543336 Scrip Symbol – CHEMPLASTS Dear Sir/Madam, Sub: Notice of Postal Ballot seeking approval of the shareholders of the Company, through remote e-voting - Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Ref: Our letter dated October 9, 2026 This is further to our letter dated October 9, 2026, intimating the Stock Exchanges, after the Board Meeting of the Company held on that date, of the appointment of Mr Prashanth Vasu (DIN: 11278134) as Non-Executive and Non-Independent Director of the Company, subject to approval of shareholders of the Company. In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we enclose the Notice of Postal Ballot dispatched today, through electronic mode to the shareholders of the Company who have registered their e-mail addresses with the Depositories/Registrar and Share Transfer Agent of the Company, seeking approval of shareholders of the Company for the following Ordinary resolution: S. No Particulars 1. Appointment of Mr Prashanth Vasu (DIN: 11278134) as Non-Executive and Non-Independent Director of the Company The cut-off date / record date for the purpose of Postal Ballot through remote e-voting has been fixed as Friday, October 23, 2026. The Company has engaged the services of KFin Technologies Limited, Registrar and Transfer Agent of the Company, for providing e-voting facility to the Members of the Company. The e-voting period commences from 9:00 a.m. (IST) on Saturday, October 31, 2026, and ends at 5:00 p.m. (IST) on Sunday, November 29, 2026. The Notice of Postal Ballot is also uploaded on the Company’s website www.chemplastsanmar.com Date & Time of occurrence of this information: October 30, 2026 & 5.44 PM (IST) This is for your information and records. Thanking You, Yours faithfully, For CHEMPLAST SANMAR LIMITED P SRINIVASAN Company Secretary and Compliance Officer Memb No. ACS 10129 CHEMPLAST SANMAR LIMITED Registered Office: 9 Cathedral Road, Chennai 600086 Tel: +91 44 2812 8500, CIN: L24230TN1985PLC011637 Email: grd@sanmargroup.com, Website: www.chemplastsanmar.com NOTICE OF POSTAL BALLOT AND E-VOTING The Members Chemplast Sanmar Limited NOTICE is hereby given that the Resolution, as appended below, is proposed for approval by the Members of Chemplast Sanmar Limited (“the Company”) by means of Postal Ballot, only by way of remote electronic voting process (“e-voting”), pursuant to the provisions of sections 108, 110 and other applicable provisions, if any, of the Companies Act, 2013 (“the Act”), read with Rules 20 and 22 of the Companies (Management and Administration) Rules, 2014, Regulation 44 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) and other applicable laws, rules and regulations (including any statutory modification(s) or re-enactment(s) thereof for the time being in force, and as amended from time to time), SS-2 Secretarial Standard on General Meetings (“Secretarial Standard”) issued by the Institute of Company Secretaries of India, and the relaxations and clarifications issued by the Ministry of Corporate Affairs vide General Circular No.03/2025 dated September 22, 2025. RESOLUTION: Appointment of Mr Prashanth Vasu (DIN: 11278134) as Non-Executive and Non-Independent Director of the Company To consider and if thought fit, to pass the following resolution as an Ordinary Resolution: “RESOLVED THAT pursuant to the provisions of Sections 152, 160, 161 and other applicable provisions of the Companies Act, 2013 (”Act”) and the Rules made thereunder, applicable provisions of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (including any statutory modification(s), amendment(s) or re-enactment(s) thereof for the time being in force), Articles of Association of the Company and as recommended by the Nomination and Remuneration Committee and approved by the Board of Directors at its meeting held on October 9, 2026, Mr Prashanth Vasu (DIN: 11278134) in respect of whom the Company has received a notice in writing under Section 160(1) of the Act proposing his candidature for the office of a Director, be and is hereby appointed as Non-Executive and Non-Independent Director of the Company liable to retire by rotation.” “RESOLVED FURTHER THAT the Board of Directors be and is hereby authorised to do all acts and take all such steps as may be necessary, proper or expedient to give effect to this resolution and for matters connected therewith or incidental thereto.” By Order of the Board For Chemplast Sanmar Limited P Srinivasan Company Secretary & Place: Chennai Compliance Officer Date: October 9, 2026 Memb No. ACS 10129 CHEMPLAST SANMAR LIMITED Notes: the facility to the members to exercise their votes electronically and vote on the Resolution through the 1) The Explanatory Statement pursuant to Section 102 e-voting service facility. The Company has engaged read with Section 110 of the Companies Act, 2013, Kfin Technologies Limited (KFIN/KFintech), Share Secretarial Standard and SEBI Listing Regulations Transfer Agent of the Company, as an e-Voting agency stating all material facts and the reason/rationale for for this Postal Ballot process through remote e-voting. the proposed Resolution is annexed herewith for your The guidelines for e-voting are given in Note no. 13 of consideration. this Postal Ballot Notice. 2) Pursuant to the guidelines and clarifications issued 7) The e-Voting period commences on Saturday, by Ministry of Corporate Affairs vide General Circular October 31, 2026 (9.00 a.m. IST) and ends on No.03/2025 dated September 22, 2025 (“MCA Sunday, November 29, 2026 (5.00 p.m. IST). During Circular”), Companies are allowed to conduct postal this period, members of the Company holding shares, ballot by sending notice through electronic form only. as on the Cut-off Date i.e., Friday, October 23, 2026 Accordingly, physical copy of postal ballot notice, may cast their vote electronically in the manner and postal ballot form and pre-paid business reply envelope process set out in the guidelines referred herein above. will not be sent to the members for this postal ballot The e-Voting module shall be disabled for voting process. The communication of assent or dissent of thereafter. Once the vote on resolution is cast by the the members would take place through the process of member, the member shall not be allowed to change it remote e-voting only. subsequently. 3) In compliance with the aforesaid MCA Circular, this 8) The Resolution proposed in the Postal Ballot Notice, Postal Ballot Notice along with the instructions if passed by the requisite majority, shall be deemed to regarding e-voting is being sent to the members have been passed on Sunday, November 29, 2026 i.e., whose email addresses are registered with Depository the last date specified for receipt of votes through the Participant(s) details of which received from the e-voting process and as if they have been passed at a National Securities Depository Limited (“NSDL”) and General Meeting of the members of the Company. Central Depository Services (India) Limited (“CDSL”) and whose names appear in the Register of Members 9) The Board of Directors have appointed B Ravi / list of beneficial owners as on the cut-off date Friday, & Associates (Firm Registration Number: October 23, 2026 (“Cut-off Date”). A person who is P2016TN052400) Practicing Company Secretaries, not a member as on the Cut-off Date should treat this represented by CS Dr B Ravi (FCS No.:1810 CP Postal Ballot Notice for information purposes only. No.:3318) Managing Partner of B Ravi & Associates as The Postal Ballot Notice is [Showing first 8,000 characters — download PDF for full document]