Golden Star Resources Ltd. Common Shares 38119T104 April 19, 2007 CUSIP 38119T104 1. Sprott Asset Management Inc. Suite 2700, South Tower, Royal Bank Plaza, Toronto, Ontario M5J 2J1 Canada 2. n/a 3. 4. Ontario, Canada 5. 16,507,200 6. n/a 7. 16,507,200 8. n/a 9. n/a 10. n/a 11. n/a 12. IA Item 1 (a) Golden Star Resources Ltd. (b) Suite 300 - 10901 West Toller Drive Littleton, CO 80127 United States Item 2 (a) Sprott Asset Management Inc. (b) Suite 2700, South Tower Royal Bank Plaza P.O. Box 27 Toronto, Ontario M5J 2J1 Canada (c) Canadian (d) Common Shares (e) 38119T104 Item 3 n/a Item 4 (a) n/a (b) n/a (c) (i) 16,507,200 (ii) n/a (iii) 16,507,200 (iv) n/a Item 5 n/a Item 6 n/a Item 7 n/a Item 8 n/a Item 9 n/a Item 10 April 25, 2007 Eric Sprott Chief Executive Officer