On February 1, 2012, Golden Star Resources Ltd. (“Golden Star”) finalized the option exercise by Riverstone Resources Inc. (“Riverstone”) pursuant to which Riverstone obtained an indirect 90% interest in the Goulagou, Rounga, Tougou and Youba permits (the “Properties”) located in Burkina Faso, West Africa. The option exercise price for the Properties was US$18.6 million which was paid as to US$6.6 million in cash and the balance through the issuance of common shares of Riverstone. Golden Star was advised by Fasken Martineau with a team led by John Turner, John Sabetti, Will Shaw (Securities) and Mitchell Thaw (Tax).