Intimation regarding AGM

Ref no: BSE, NSE & CSE/OMDC/CS/11-2026/02 Dated: 06.11.2026 To To To The Compliance Department The Compliance Department The Secretary Department of Corporate National Stock Exchange of India The Calcutta Stock Services Limited Exchange Limited Bombay Stock Exchange Ltd Exchange Plaza, Plot No. C/1, 7, Lyons Range 1st Floor, PhiozeJee, Jeebhoy Block – G Kolkata- 700001 Towers BandraKurla Complex Scrip Code : 25058 Bombay SamacharMarg Bandra (E) Mumbai – 400001 Mumbai - 400051 Scrip Code : 590086 Scrip Code : ORISSAMINE Dear Sir, Subject: Intimation regarding the Annual General Meeting, Book Closure, Cut-off Date and date of E-voting for annual general meeting of The Orissa Minerals Development Company Limited Ref: Regulation 42 of SEBI (LODR) Regulation, 2015 Please note that the 108th Annual General Meeting of the Company is scheduled to be held on Monday, 30th November, 2026 at 3:00 P.M. through Video-Conferencing (“VC”) or Other Audio Visual Means (“OAVM”). The deemed venue for the 108th AGM shall be the Registered Office of the Company. Further, please note that the registers of members and share transfer books of The Orissa Minerals Development Company Limited will be closed from 24.11.2026 to 30.11.2026 (both dates inclusive). The schedule of events is set out as below – Event Day and Date Time Cut off date for e-voting Monday, 23rd November, 2026 N.A. Commencement of remote e- Friday, 27th November, 2026 9.00 A.M. voting End of remote e-voting Sunday, 29th November, 2026 05.00 P.M. This is for your information and record. Thanking You Yours Faithfully, For The Orissa Minerals Development Company Limited (Pintu Kumar Biswal) Company Secretary