The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for Sonitron Ltd

Dhampur Bio Organics Ltd. Date: September 24, 2026 The Manager - Listing The Manager - Listing Dept of Corp. Services, National Stock Exchange of India Ltd. BSE Limited Exchange plaza, Bandra Kurla Complex P.J. Towers, Dalal Street, Fort, Bandra East Mumbai-400 001 Mumbai - 400 051 Scrip Code: 543593 Symbol: DBOL Dear Sir, Sub: Intimation under Regulation 29(2) of Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 Please find attached disclosures under Regulation 29(2) of Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, submitted by Sonitron Limited (Promoter Company) for change in its shareholding as a result of purchase of Equity Shares of Dhampur Bio Organics Limited. You are requested to take the above information on record. For Dhampur Bio Organics Limited Ashu Rawat Company Secretary & Compliance Officer Corp. Office: Second Floor, Plot No. 201, Okhla Industrial Estate, Phase Ill, New Delhi -110 020, India, Tel: +91-11 -6905 5200, Email: corporateoffice@dhampur.com, Website: www.dhampur.com Regd. Office: Sugar Mill Compound, Village & Post -Asmoli, Dist!. 5ambhal, Uttar Pradesh - 244304, Tel: +91-7302318313 CIN: L 15100UP2020PLC136939 SONITRON LIMITED Second Floor, Plot No. 201, Okhla Industrial Estate, Phase ill, New Delhi - 110020 CIN: U65921DL1977PLC376331 e-mail id: sonitronlimited@gmail.com Date: September 24, 2026 The Manager - Listing National Stock Exchange of India Ltd. Exchange plaza, Bandra Kurla Complex Bandra East, Mumbai - 400 051 The Manager - Listing Dept. of Corp. Services, BSE Limited P. J. Towers, Dalal Street, Fort, Mumbai-400 001 The Company Secretary Dhampur Bio Organics Limited Sugar Mill Compound, Village Asmoli, Sambhal, Moradabad, U.P. - 244304 Dear Sir/Mam, Sub: Disclosure under Regulation 29(2) of Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 Please find enclosed herewith the disclosure under Regulation 29(2) of Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 with respect to the purchase of equity shares of Dhampur Bio Organics Limited. You are requested to take the above information on record. Disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 Name of the Target Company (TC) Dhampur Bio Organics Limited Name(s) of the acquirer and Persons Acting in Sonitron Limited Concert (PAC) with the acquirer Whether the acquirer belongs to Promoter/Promoter Yes group Name(s) of the Stock Exchange(s) where the shares BSE Limited of TC are Listed National Stock Exchange of India Limited Details of the acquisition/disposal as follows Number % w.r.t. total % w.r.t. total share/voting diluted capital share/voting wherever capital of applicable(*) the TC(**) Before the acquisition/disposal under consideration, holding of : a) Shares carrying voting rights 1,15,20,499 17.353 17.353 b) Shares in the nature of encumbrance (pledge/ lien/non-disposal undertaking/ others) - c) Voting rights (VR) otherwise than by shares d) Warrants/convertible securities/any other - instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) - e) Total (a+b+c+d) 1,15,20,499 17.353 17.353 Details of acquisition/sale a) Shares carrying voting rights acquired/sold 10,000 0.015 0.015 b) VRs acquired /5eki otherwise than by shares - c) Warrants/convertible securities/any other instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) acquired/sold - d) Shares encumbered / invoked/released by the acquirer - e) Total (a+b+c+d) 10,000 0.015 0.015 After the acquisition/sale, holding of: a) Shares carrying voting rights 1,15,30,499 17.368 17.368 b) Shares encumbered with the acquirer - c) VRs otherwise than by shares - d) Warrants/convertible securities/any other instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) after acquisition - e) Total (a+b+c+d) 1, 15,30,499 17.368 17.368 Mode of acquisition f-sale-(e.g. open market/ off- Open Market market / public issue / rights issue / preferential allotment/ inter-se transfer etc). Date of acquisition / sale e{ sllaFes -/- VR ef Elate e{ 22.09.2026 Feceipt e{ intimatien e{ alletment e{ shares, whichever is applicable Equity share capital/ total voting capital of the TC 6,63,87,590 Equity Shares of Rs. 10 Each before the said acquisition / sale Equity share capital/ total voting capital of the TC 6,63,87,590 Equity Shares of Rs. 10 Each after the said acquisition/ sale Total diluted share/voting capital of the TC after the 6,63,87,590 Equity Shares of Rs. 10 Each said acquisition (*) Total share capital/ voting capital to be taken as per the latest filing done by the company to the Stock Exchange under Regulation 31 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended. (**) Diluted share/voting capital means the total number of shares in TC assuming full conversion of the outstanding convertible securities/warrants into equity shares of the TC. Director DIN: 00078995 Place: New Delhi Date: 24.09.2026