Orion Appoints Experienced Mining Executive Michael Hulmes as Non-Executive Director Orion Minerals NL Incorporated in the Commonwealth of Australia Australian Company Number 098 939 274 ASX share code: ORN JSE share code: ORN ISIN: AU000000ORN1 Orion Appoints Experienced Mining Executive Michael Hulmes as Non-Executive Director Orion Minerals Ltd (ASX/JSE: ORN) (Orion or the Company) is pleased to advise that Mr Michael Hulmes has been appointed as a non-executive director of Orion. Mr Hulmes is a mining engineer with over 30 years’ senior executive, management and corporate experience in mining operations and projects in Australia, Papua New Guinea, Portugal, Spain, Saudi Arabia, Tanzania and China. As former Managing Director Iberia Operations (Lundin Mining’s Iberian operations), Michael was responsible for the large 4.5Mtpa Neves-Corvo – VMS Copper Zinc and the 1.9Mtpa Aguablanca - Copper Nickel Mines in Portugal and Spain respectively. Prior roles also include, General Manager Operations at the Ok Tedi Mine in Papua New Guinea, COO for Citadel Resources during the development of the Jabal Sayid deposit in Saudi Arabia, General Manager – Australian Operations for Barrick Australia and General Manager of Plutonic Gold Mine in Western Australia. Michael was most recently the General Manager of the Caijiaying Zinc/Gold Mine (Hebei Province, China) at Huaao Mining Industry Company. Following Mr Hulmes’ appointment, the Company also advises that Mr William Oliver has agreed to step down as a non-executive Director, effective immediately, in order to focus on his other business interests. The Board wishes to thank Mr Oliver for his contribution to Orion over the past five years and wishes him the very best for the future. Orion’s Chairman, Denis Waddell, said he was pleased to have further strengthened the board with the appointment of someone of Michael Hulmes’ technical and operations expertise. “The Orion Board is very pleased to appoint someone with Michael’s extensive mining operations background. Michael is particularly well suited to complement and enhance the Board composition and to assist our operations team, as the Company focuses on completing the Bankable Feasibility Study on the Prieska Zinc-Copper Project located in the Northern Cape of South Africa, which will establish the Company as a significant new participant in the global base metal sector.”, he said. Denis Waddell Chairman 18 April 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 Media Michael Vaughan Barnaby Hayward Fivemark Partners, Australia Tavistock, UK T: +61 (0) 422 602 720 T: +44 (0) 787 955 1355 E: michael.vaughan@fivemark.com.au E: orion@tavistock.co.uk Suite 617, 530 Little Collins Street Melbourne, VIC, 3000 Date: 18/04/2018 08:45:00 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.