Updates

June 22, 2026 The General Manager - The Manager, Listing Department, Listing Department, The National Stock Exchange of India BSE Limited Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, NSE Building Dalal Street, Bandra Kurla Complex, Mumbai - 400 001 Bandra East, Mumbai 400 051 Scrip Code: 524051 Trading Symbol: POLYPLEX Dear Sir/Madam, Sub: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (as amended) (the “Listing Regulations”) We wish to inform you that Polyplex (Thailand) Public Company Limited, Thailand (PTL), a step-down subsidiary of the Company listed on Stock Exchange of Thailand, has today i.e. June 22, 2026, received a copy of the announcement submitted by AGPH (Thailand) Ltd., Thailand (Tender Offeror), to the office of the Securities and Exchange Commission and the Stock Exchange of Thailand, intimating its intention to make a tender offer to acquire all of the ordinary shares of PTL. The details of the Tender Offer (English translation) (Form 247-3) are set out in the enclosure. It may be mentioned that AGPH (Thailand) Ltd., Thailand is a wholly owned subsidiary of AGP Holdco Limited, Dubai UAE, which holds 76,21,390 (24.28%) equity shares of the face value of Rs. 10/- each of the Company. You are requested to kindly take this on record. Thanking you, Yours faithfully, For Polyplex Corporation Limited Ashok Kumar Gurnani Company Secretary Email ID: akgurnani@polyplex.com Encl: As above Polyplex Corporation Limited CIN: L25209UR1984PLC011596 B-37 , Sector-1, Noida-201301, Distt. Gautam Budh Nagar (U.P.) India Board: +91.120.2443716-19, Fax: +91.120.2443724 Website: www.polyplex.com Registered Office: Lohia Head Road, Khatima - 262308, Distt. Udham Singh Nagar, Uttarakhand, India (Translation) Form 247-3 (SorChor. 6/2546) Announcement of Intention to Make a Tender Offer 1. Submission date: 22 June 2026 2. Name(s) of the person(s) announcing the intention to make the tender offer (specify all co-offerors): Name AGPH (Thailand) Ltd. (the “Announcer of Intention”) Telephone No. - 3. The tender offer is intended for an acquisition of the securities of: Polyplex (Thailand) Public Company Limited (“PTL” or “Business”) 4. Details of the securities for which the tender offer is made: ( ✓ ) For tender offer for all securities of the Business ( ✓ ) For partial tender offer for all securities of the Business under Chapter 5 of the SEC Notification No. KorChor. 53/2545. Type(s) Series Number of Percentage of securities to be Expected Offering amount offered offered in comparison with offering (THB) shares Total number price per (share/unit) of the issued Total voting unit securities of rights of the the relevant Business type/series1 Ordinary shares - 900,000,000 100.00 100.00 15.00 13,500,000,000 Preferred shares - - - - - - Warrants - - - - - Convertible - - - - - debentures Other securities - - - - - (if any) Total 100.00 13,500,000,000 1 In case of shares, regardless of types or series, the total number of issued securities = ordinary shares + preferred shares - shares repurchased by the Business (treasury shares) and are outstanding at the end of a month prior to the month in which the announcement of the intention to make a tender offer is submitted. - 2 - 5. Securities held prior to making the tender offer and securities to be acquired under any other agreements. (as of the submission date of the announcement of intention) 5.1 Shares: - None - 5.2 Convertible Securities: - None - 6. Name of the tender offer preparer: Kiatnakin Phatra Securities Public Company Limited 7. Name(s) of other advisor(s) (if any): Trilegal and TTT & Partners Company Limited (Legal Advisors) 8. Expected date for the official submission of the tender offer2: within 29 June 2026 9. Essence of the contract/agreement/memorandum of understanding entered into by the Announcer of Intention prior to making the announcement, for the purpose of substantial trading of securities of the Business, regardless of whether or not such contract/agreement/memorandum of understanding is entered into for trading of securities in the tender offer: - None - 2 Pursuant to Clause 13 of the Notification of Capital Market Supervisory Board No. TorJor. 12/2554, a tender offer (From 247-4) shall be submitted to the SEC Office within seven business days from the submission date of the announcement of intention. - 3 - We hereby certify that the foregoing statement is complete and accurate without misleading information and no concealment is made on any material information which should be disclosed. -signature- Chandan Ghatak Authorized Director -Company’s seal- AGPH (Thailand) Ltd. affixed- Announcer of Intention - 4 - We have reviewed the information with due care and hereby certify that the Announcer of Intention is truly capable of making the tender offer for securities as announced to the public and that all information has been fully and accurately disclosed. -signature- -signature- Mr. Aphinant Klewpatinond Mr. Trairak Tengtrirat Authorized Director Authorized Director Kiatnakin Phatra Securities Public Company Limited -Company’s seal- Tender Offer Preparer affixed-