Date of AGM and Closing Date for Director Nominations Orion Minerals Limited Incorporated in the Commonwealth of Australia Australian Company Number 098 939 274 ASX share code: ORN JSE share code: ORN ISIN: AU000000ORN1 Date of AGM and Closing Date for Director Nominations Orion Minerals Limited (ASX/JSE: ORN) (Orion or the Company) advises in accordance with ASX Listing Rule 3.13.1, that the Annual General Meeting (AGM) of the Company is scheduled for 28 November 2023. Further details of the AGM will be confirmed once the AGM notice of meeting is despatched to shareholders of the Company. An item of business at the AGM will be the re-election and appointment of directors. In accordance with clause 14.3 of the Company's Constitution, nominations for election of directors at the AGM must be received at Orion’s registered office not less than 30 Business Days before the date of the AGM, being no later than 5:00 p.m. (Melbourne time) on 16 October 2023. For and on behalf of the Board. Martin Bouwmeester Company Secretary 9 October 2023 ENQUIRIES Investors Media JSE Sponsor Errol Smart – Managing Director & CEO Nicholas Read Monique Martinez Denis Waddell – Chairman Read Corporate, Australia Merchantec Capital T: +61 (0) 3 8080 7170 T: +61 (0) 419 929 046 T: +27 (0) 11 325 6363 E: info@orionminerals.com.au E: nicholas@readcorporate.com.au E: monique.martinez@merchantec.com Date: 09-10-2023 08:10:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.