Enclosed herewith the intimation of closure trading window for the quarter ended 30th September, 2026.

DELTA INDUSTRIAL RESOURCES LIMITED CIN: L52110DL1984PLC019625 Regd. Office: Unit No.-111, Aggarwal City Square, Plot No. 10, District Centre, Manglam Place, Sector-3, Rohini, New Delhi – 110085. Contact: 8657458159 | Email Id: deltaindustrialresourcesltd@gmail.com | website: www.delta.ind.in September 29, 2026 To, To, The Manager, Corporate Relations Metropolitan Stock Exchange of India Limited Department 205(A),2nd Floor, Piramal Agastya Corporate Park BSE Limited K a m a n i J u nction, LBS Road, Kurla (West) Phiroze Jeejeebhoy Towers Mumbai Dalal Street, Fort, Mumbai – 400 001 P i n c o de- 400070 Scrip Code: 539596 Symbol: DELTA Sub: Intimation of Closure of Trading Window of the Company Dear Sir / Madam, Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, and in accordance with the Company’s Code of Conduct for the Prevention of Insider Trading and Code of Fair Disclosure, the Trading Window for dealing in the Company’s securities will remain closed for all Designated Persons, Connected Persons, Directors, Promoters and their Immediate Relatives from Thursday, 1st October, 2026, till the end of 48 hours after the declaration of Unaudited Financial Results for the quarter ending on September 30, 2026 (both days inclusive). The date of Board Meeting in which the results are to be considered, shall be intimated separately in due course. This for your information and record. Thanking You, Yours Faithfully, For Delta Industrial Resources Limited LILY MUNDU Managing Director DIN: 10118884