Analysts/Institutional Investor Meet/Con. Call Updates

Himadri Ref. No: HSCL/Stock-Ex/2026-27/60 Date: 23/09/2026 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 of Schedule of Analyst / Institutional Investor meeting under the SEBI (Listin; Obligations and Disclosure Requirements), Regulations 2015 Dear Sir/ Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations™), we would like to inform you that the officials of Himadri Speciality Chemical Limited (“Company”) will be having one-on-one and/or group meeting with Analysts/Investors on 28 September 2026. The details of the same are given below: Date Event Details Mode of Type of Interaction Interaction 28.09.2026 Goldman Sachs India — Hidden | Virtual One on One & Group Gems Meeting A copy of this schedule of the meeting is also placed on the website of the Company at www.himadri.com Discussions will be based strictly on publicly available information and no unpublished price sensitive information shall be disclosed. Note: The above schedule meeting may undergo changes due to exigencies on the part of the Analysts / Investors or the Company. 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: L27106WB1987PLC042756 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