Pursuant to Regulation 30 read with Schedule III of the SEBI Listing Regulations, we would like to inform you that the Board of Directors of Himadri Speciality Chemical Ltd at its' meeting held today i.e. on 07 November 2026, inter-alia has considered and approved the following: 1. Issuance of Corporate Guarantee on behalf of Sturdy Niketan Private Limited, step-down subsidiary 2. Change in Corporate Office

Ref. No: HSCL / Stock-Ex/2026-27/84 Date: 07/11/2026 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: Outcome of Board Meeting held on 07 November 2026 - pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/ Madam, Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we would like to inform you that the Board of Directors ("Board") of Himadri Speciality Chemical Ltd (“Company’) at its’ meeting held today i.e. on 07 November 2026, inter-alia has considered and approved the following: 1. Issuance of Corporate Guarantee on behalf of Sturdy Niketan Private Limited, step-down subsidiary The Board has approved issuance of Corporate Guarantee for an amount not exceeding INR 200 Crores (Rupees Two Hundred Crore only) in favour of ICICI Bank Ltd for securing the credit facility to be availed by Sturdy Niketan Private Limited, a step-down subsidiary of the Company. Disclosures required under Regulation 30 read with Schedule III of the SEBI Listing Regulations and SEBI Master Circular No. Ho/49/14/14(7)2025-Cfd-Pod2/I/3762/2026 dated January 30, 2026, is provided in ‘Annexure-I’. 2. Change in Corporate Office The Board has approved shifting of Corporate Office of the Company from its existing premises situated at “8, India Exchange Place, Ruby House, 2nd Floor, Kolkata -700001 West Bengal” to the “5th Floor, C6/108/ New, Budge Budge Trunk Road, Kolkata - 700088, West Bengal” with effect from 07 November 2026. Upon such shifting, the existing Corporate Office located at 8, India Exchange Place, Ruby House, 2nd Floor, Kolkata – 700001, West Bengal shall continue to be maintained as an additional place of office of the Company at Kolkata. We further confirm that there is no change in the registered office address of the Company, which remains the same as: 23A, Netaji Subhas Road, 8th floor, Suite no 15, Kolkata-700001, West Bengal. The Meeting of the Board of Directors commenced at 10:15 a.m. (IST) and concluded at 10:45 a.m. (IST) The above information will be made available on the Company’s website at www.himadri.com We request you to kindly take the same on record. Thanking you, Yours faithfully, For Himadri Speciality Chemical Ltd Monika Saraswat (Company Secretary & Compliance Officer) ACS: 29322 Encl.: Annexure I Annexure-I Sl No. Particulars Description 1 Name of party for which such Sturdy Niketan Private Limited, a step-down subsidiary guarantees or indemnity or surety of the Company. was given; 2 Whether the promoter/ promoter The promoter/ promoter group/ group companies do not group/ group companies have any have any interest in this transaction. interest in this transaction? If yes, nature of interest and details thereof and whether the same is done at “arm’s length”; 3 Brief details of such guarantee or Sturdy Niketan Private Limited is availing Credit indemnity or becoming a surety viz. Facilities of INR 200,00,00,000/- (Rupees Two Hundred brief details of agreement entered (if Crores only) from ICICI Bank Ltd. any) including significant terms and conditions, including amount of ln order to secure the facility, the Company is providing guarantee; Corporate Guarantee upto INR 200,00,00,000/- (Rupees Two Hundred Crores only), guaranteeing secured obligations of Sturdy Niketan Private Limited in connection with the facility. The Company will be charging guarantee commission on arm’s length basis for providing the aforesaid Corporate Guarantee. 4 Impact of such guarantees or The Corporate Guarantee will be disclosed as contingent indemnity or surety on listed entity. liability in the financial statements of the Company.