Analysts/Institutional Investor Meet/Con. Call Updates

Ref. No: HSCL / Stock-Ex/2026-27/78 Date: 22/10/2026 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, 25th Floor, Bandra Kurla Complex, Dalal Street, Bandra (E) Mumbai- 400 001 Mumbai- 400 051 Sub: Audio recording of Earnings Conference Call for Financial Performance for the 2nd Quarter ended 30 September 2026 held on Thursday, 22 October 2026 Dear Sir/ Madam, Further to our letter dated 16 October 2026 and pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) read with Schedule III of the SEBI Listing Regulations and other applicable provisions of the SEBI Listing Regulations, we would like to inform you that the audio recording of earnings conference call for Financial Performance for the 2nd Quarter and half year ended 30 September 2026 held on Thursday, 22 October 2026 at 04:00 p.m. (IST), has been uploaded on the website of the Company, which can be accessed at the following link: https://himadri.com/pdf/Himadri_Q2_FY27_Concall.mp3 The above information will be made available on the Company’s website at www.himadri.com You are requested to take the same on record. Thanking you, Yours faithfully, For Himadri Speciality Chemical Ltd Monika Saraswat Company Secretary & Compliance Officer ACS: 29322