With reference to above captioned subject, we hereby submit the Certifictae received from MUFG Intime India Private Limited, the Registrar and Share Transfer Agent of the Company, for the quarter ended September 30, 2026.

October 13, 2026 Department of Corporate Services, Listing Department, BSE Limited, National Stock Exchange of India Ltd, Phiroze Jeejeebhsoy Towers, Exchange Plaza, Plot No. C/1, G Block, Dalal Street, Bandra Kurla Complex, Bandra Mumbai – 400 001 (East),Mumbai – 400 051 ISIN Code : INE350H01032 Scrip Code : 532719 Trading Symbol : BLKASHYAP Dear Sir / Madam, Sub: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026 In compliance with Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, please find enclosed a copy of the Confirmation Certificate received from MUFG Intime India Private Limited, the Registrar and Share Transfer Agent of the Company, for the Quarter ended September 30, 2026. Kindly take the above information on your record. Thanking you, Yours faithfully, For B.L. Kashyap and Sons Limited Pushpak Kumar VP & Company Secretary M. No.: F6871 Encl: as above