Golden Star Schedules Second Quarter 2007 Results Conference Call

DENVER -- Golden Star Resources Ltd. (TSX: GSC)(AMEX: GSS) will release its second quarter 2007 results after the market close on Tuesday, August 7, 2007 and has scheduled a conference call and webcast on Wednesday, August 8 at 11:00 a.m. Eastern Time (9:00 a.m. Mountain Time). The conference call will allow investors and analysts the opportunity to speak with the Company’s management. Please call in at least five minutes prior to the conference call start time to ensure prompt access to the conference. You can access the call by telephone or by webcast:

North American participants - (800) 659-2037, passcode: 49985761

International participants outside U.S. and Canada - (617) 614-2713 passcode: 49985761

Webcast: www.gsr.com

A recording of the teleconference will be available for up to 30 days through the Company’s website at www.gsr.com and it also will be available for 30 days by dialing:

North America - (888) 286-8010, passcode: 34604960

International outside U.S. and Canada - (617) 801-6888, passcode: 34604960