Solitario Resources Corporation Common Shares 83422R106 April 19, 2007 CUSIP 83422R106 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. 4,525,800 6. 251,900 7. 4,525,800 8. 251,900 9. 251,900 10. n/a 11. 0.9% 12. IA Item 1 (a) Solitario Resources Corporation (b) 4251 Kipling Street, Suite 390 Wheat Ridge, Colorado 80033 USA 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) 83422R106 Item 3 n/a Item 4 (a) 251,900 (b) 0.9% (c) (i) 4,525,800 (ii) 251,900 (iii) 4,525,800 (iv) 251,900 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