Request for Trading Halt 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 REQUEST FOR TRADING HALT In accordance with Listing Rule 17.1, Orion Minerals Ltd (Orion) (ASX/JSE: ORN) requests an immediate trading halt be placed on its securities. Set out below is the information required by Listing Rule 17.1: 1. The reason for the trading halt is that Orion anticipates making a material announcement in relation to a proposed capital raising. 2. The trading halt is requested until the commencement of trade on Monday 25 June 2018, or such earlier time as Orion makes an announcement to update the market in relation to a capital raising. 3. Orion expects to make an announcement to the market concerning these matters before the commencement of trade on Monday 25 June 2018. 4. Orion is not aware of any reason why the trading halt should not be granted. 5. Orion is not aware of any other information necessary to inform the market about the trading halt. Martin Bouwmeester Company Secretary 21 June 2018 ENQUIRIES Investors JSE Sponsor Errol Smart – Managing Director & CEO Rick Irving Denis Waddell – Chairman Merchantec Capital T: +61 (0) 3 8080 7170 T: +27 (0) 11 325 6363 E: info@orionminerals.com.au E: rick@merchantec.co.za Suite 617, 530 Little Collins Street Melbourne, VIC, 3000 Media Michael Vaughan Barnaby Hayward Fivemark Partners, Australia Tavistock, UK T: +61 (0) 422 602 720 T: +44 (0) 207 920 3150 E: michael.vaughan@fivemark.com.au E: orion@tavistock.co.uk Date: 21/06/2018 08:19:00 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.