Golden Star Resources Ltd. announced the completion of the $125.7 million strategic investment by La Mancha Holding S.à r.l. La Mancha has the right to nominate up to three representatives to Golden Star's Board of Directors and two nominees have joined the Board with immediate effect. La Mancha expects to nominate a third Director at the next Annual General Meeting or earlier in the event of a vacancy. La Mancha's two nominees are Andrew Wray, Chief Executive Officer of La Mancha, and Graham Crew. Andrew joined La Mancha as Chief Executive Officer in early 2018. He was most recently Chief Financial Officer of Acacia Mining and has nearly ten years of direct mining experience. Prior to that, Andrew worked with the Corporate Finance team at JP Morgan Cazenove. He has over 15 years of experience in advising companies in capital-raising activities and other strategic objectives. Prior to joining JP Morgan, Andrew worked for the Kuwait Investment Office in London, having dealt with its portfolio of investments in Spain. Graham has over 25 years of operational, technical and corporate experience in the mining industry. A mining engineer by background, he is General Manager Mining for Barminco Limited, a global underground mining services provider, and he previously held the position of General Manager of the Bulyanhulu mine for Acacia Mining. Prior to that, he was the Operations Manager for La Mancha's Australian operations for five years and he has held a number of other technical positions for mining companies in various geographies. He has a strong track record of transforming operations through development of vision and strategy and disciplined implementation and he has experience of construction projects, due diligence, project evaluation and project financing.