Intimation of book closure pursuant to Reg 42 of SEBI (LODR) Reg 2015

07.09.2026 BSE Limited Department of Corporate Service Phiroze Jeejeebhoy Towers Dalal Street Mumbai-400001 Scrip Code: 544510 ISIN: INE346R01013 Sub: Intimation of Book Closure pursuant to Regulation 42 of the Securities & Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015. Dear Sir/Madam, Pursuant to Regulation 42 and all other applicable regulations of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (as amended) and Section 91 of the Companies Act, 2013, we wish to inform you that the Register of Members and Share transfer books shall remain closed from Wednesday 23rd September, 2026 to Tuesday 29th September, 2026 (both days inclusive) for the purpose of 23rd Annual General Meeting of the Company which is scheduled to be held on Tuesday, 29th September, 2026 at 12:30 PM (IST) at: Mayfair Hotels & Resorts Ltd, 8-B, Jayadev Vihar, Bhubaneswar, Odisha 751013. Security Code Type of Security Book Closure Date (Both Record Date Purpose days inclusive) 544510 Equity Wednesday 23rd NA 23rd Annual September, 2026 to General Tuesday 29th September, Meeting 2026 Kindly take the aforesaid information on your records. Thanking you, Yours faithfully, For Nilachal Carbo Metalicks Limited Bibhu Datta Panda Managing Director DIN: 01579026 CC: 1. Central Depository Services (India) Limited 2. National Securities Depository Limited