Certificate under SEBI (Depositories and Participants) Regulations, 2018

Hlmadrl Ref. No: HSCL / Stock-Ex/2026-27/69 Date: 09/10/2026 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: Certificate under Regulation 74 (5) of SEBI (Depositories and Participants) Regulations, 2018 Dear Sir/Madam, We are enclosing herewith the certificate pursuant to Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30 September 2026 as received from M/s S.K. Infosolutions Pvt. Ltd, the Registrar to an issue and Share transfer agent. The above information will also be available on the website of the Company at www.himadri.com This is for your information and records. Thanking you, Yours faithfully, For Himadri Speciality Chemical Ltd Monika Saraswat Company Secretary & Compliance Officer ACS: 29322 Enclo: a/a Copy to: 1. National Securities Depository Limited Trade World, “A” Wing, Kamala Mills Compound, Lower Parel, Mumbai- 400 013 2. Central Depository Services (India) Limited Marathon Futurex, A-Wing, 25th floor, NM Joshi Marg, Lower Parel, Mumbai 400013 Hlmadrl Speciality Chemical Ltd (Formerly known as Himadri Chemicals & Industries Limited) GIN: 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 SK INFOSOLLJTIONS PVT LIMITED CIN N□: U723DDWBl999PTCD9□12D (SEBI Approved Registrars SS hare Transfer Agents with Connectivitv of NSDL S CDSL) D/42 KAT JU NAGAR, GROUND FLOOR, (Near: South City Mall) JADAVPUR.KDLKATA PIN-7D0D32 Telephone Na: D33-24120D27 SD 33-2412D029 Fax No D33-2412D027 Email id :cantact!skcinfa.cam and skcdilipEgmail.cam Website: www:skcinfa .cam Ref No. SKC/HC/74(5) Date 09/10/2026 M/S HIMADRI SPECIALITY CHEMICAL LTD 8 NO INDIA EXCHANGE PLACE 2ND FLOOR Kolkata PIN-700 001 Unit:M/S HIMADRI SPECIALITY CHEMICAL LTD Sub: Certificate under Regulation 74(5)of the SEBI(Depositories and Participants) Regulations 2018 tor the quarter ended 3 o•ri September, 2026 Ref: NSDL/CIR/II/5/2019 dated 25th January,2019 CDSL/OPS/RTA/POLCY/2019/14 dated 25th January,2019. SEBI vide its letter ref no MRD/DOP2/DSA2/OW/2019/2498/1 Dated 24th January,2019. This has reference to above-captioned regulation, we hereby confirm that the securities received from the Depository participants for dematerialization during the quarter ended 30th September , 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securitie!? are listed. We hereby also confirm that the security certificates received for dematerialization have been mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in register of members as the registered owner within 15 days. For S.K.Infosolutions Pvt Ltd Dilip Bhattacharya Manager Digitally signed by DILIP DILIP BHATTACHARYA DN: cn=DILIP BHATTACHARYA c=tN BHATTA l=KOLKATA o=Personal e=SKDILIP266@GMAIL.CO CHARYA Reason; I am the author of this document Location. Date: 2026-10-09 13:22+05:30 Certified True Cop~- ·For Hlmadrl Speciality Chemical Ltd · Sc.tf~w Company §'ecretary & Compliance Officer ACS: 29322