Divestment of stake in Sturdy Niketan Private Limited, Step-down Subsidiary by Trancemarine and Confreight Logistics Private Limited, a Subsidiary of the Company.

Himadri Ref. No: HSCL/Stock-Ex/2026-27/61 Date: 24/09/2026 E-mail: monika@himadri.com Ref: Listing Code: 500184 Ref: Listing Code: HSCL BSE Limited National Stock Exchange of India Ltd Department of Corporate Services Exchange Plaza, C-1, Block-G P. J. Towers, 25" Floor, Bandra Kurla Complex, Dalal Street, Bandra (E) Mumbai- 400 001 Mumbai- 400 051 Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015 — Divestment of stake in a Step-down Subsidiary by Trancemarine and Confreight Logistics Private Limited, a Subsidiary of the Company Dear Sir/ Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations™), this is to inform you that the Company’s subsidiary Trancemarine and Confreight Logistics Private Limited (“Trancemarine”) has entered into an agreement for divestment of its stake in its subsidiary i.e. Sturdy Niketan Private Limited (“Sturdy”), by selling 34% of its stake in the form of equity shares of Sturdy. After this sale, Sturdy continues to be a subsidiary of Trancemarine and step down subsidiary of the Himadri Speciality Chemical Ltd (“Company™) with 65% holding of Trancemarine in Sturdy. Neither Trancemarine nor Sturdy is a material subsidiary of the Company, hence, the transaction does not result in sale or disposal of shareholding or assets of material subsidiary. The transaction would not fall within related party transactions and the buyers are not related to the promoter/ promoter group/group companies of the Company. The transactions are expected to be completed within 10 (Ten) days from the date of signing of the Agreement or such date as may be mutually agreed between the parties. We request you to kindly take on record the same. Thanking You. Yours faithfully, For Himadri Speciality Chemical Ltd (Company Secretary & Compliance Officer) ACS: 29322 Himadri Speciality Chemical Ltd (Formerly known as Himadri Chemicals & industries Limited) CIN" | 27106WR1987PLC042756 Regd. Office: 23A, Netaji Subhas Road, 8th Floor, Kolkata — 700 001, India Corp. Office: 8, India Exchange Place, 2nd Floor, Kolkata — 700 001, India Tel: 91-33-2230-9953, 2230-4363, Fax: 91-33-2230-9051, Website: www. himadri.com