Certificate under reg-74(5) of SEBI (DP) Regulations, 2018 for the quarter ended 30th September, 2026.

NILACHAL REFRACTORIES LTD. CIN: L269390R1977PLC000735. GSTIN: 21AABCN1241N17S Viswakarma Building, 86C' Topsia Road. North East Block. 1" Floor. Kolkata 700046, INDIA Email: cs@nilachalin, Mob: 8013487872 Date: 10t October, 2026 The Secretary The Listing Department The Secretary BSE Limited Calcutta Stock Exchange Limited P.J. Tower, Dalal Street 7 Lyons Range Mumbai-400001 Kolkata- 700001 BSE Scrip Code: 502294 CSE Scrip Code: 19120 Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 We attach herewith a Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, for the quarter ended 30t September, 2026, received from S.K. Infosolutions Private Limited, Registrar and Share Transfer Agent of the Company. Kindly take the above on record. Thanking you. Yours faithfully, For NILACHAL REFRACTORIES LTD mwwf)al% X/LW"\ Mukesh Kumar Shaw Company Secretary & Compliance Officer Mem No: 80201 Encl: As above Works: Ipitata Nagar, Gundichapada, Dhenkanal-759025 Odisha, Email nrl.dnk@gmail.com Regd. Office: -598/599, Kedarnath Appartment, Mahabir Nagar, Lewis Road, Bhubaneswar-751002 (Odisha) . & KINFOSOLUTIONS PVT LIMITED CIN NO: U72300WBI339PTCOS0120 (SEBI Approved Registrars & Share Transfer Agents with Connectivity of NSDL & COSL) D/42 KATJU NAGAR, GROUND FLOOR, (Near: South City Mall) JADAVPUR KOLKATA PIN-700032 Telephone No: 033-24120027 & 033-24120029 Fax No 033-24120027 Email id :contact@skcinfo.com and skedilip2gmail.com Website:www:skcinfo.com Ref No. SKC/NL/74(5) Date : 05/10/2026 M/S NILACHAL REFRACTORIES LTD P-598/599, KEDARNATH APARTMENT, MAHABIR NAGAR,LEWIS ROAD, BHUBANESWAR, ODISHA PIN-751002 Unit:M/S NILACHAL REFRACTORIES LTD Sub: Certificate under Regulation 74(5)of the SEBI (Depositories and Participants) Regulations 2018 for the guarter ended 30" september,2026 Ref: NSDL/CIR/II/5/2019 dated 25% January,2019 CDSL/OPS/RTA/POLCY/2019/14 dated 25% January,2019. SEBI vide its letter ref no MRD/DOP2/DSA2/0W/2019/2498/1 Dated 24% 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 30" 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 securities 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 DILlP Digitally signed by DILIP BHATTA BHATTACHARYA Date: 2026.10.08 CHARY A 20:53:28 +0530'