Exercise Of Goulagou-Rounga Option By Riverstone Resources Inc. 
 

DENVER, CO - Golden Star Resources Ltd. reported that Riverstone Resources Inc. has exercised its option to purchase Golden Star's Goulagou-Rounga properties in Burkina Faso, West Africa.

Tom Mair, President and CEO, said, "We are pleased that over the last four years of the option period, Riverstone has achieved considerable success exploring on our property and the surrounding concessions which make up the greater Karma Project. We look forward to participating in further upside through our shareholdings of Riverstone and our royalty on the Goulagou-Rounga concession."

Pursuant to the option agreement between Golden Star and Riverstone dated October 10, 2007, and subsequent addenda, Riverstone has exercised its option to purchase the Goulagou-Rounga property from Golden Star for $18.6 million, payable in cash, Riverstone shares or some combination thereof, at Riverstone's election. In addition, as part of the agreement, Riverstone has issued to Golden Star over the last four years 2,000,000 shares and 2,000,000 share purchase warrants. Golden Star retains a net smelter return royalty, which varies from 0% to 2%, depending on the quantity of gold produced from the property.