4 2003-07-01 0 0001086319 GASCO ENERGY INC GASE.OB 0001004823 MCKENZIE RICHARD C JR 0 0 1 0 Common Stock 2003-07-01 4 S 0 7200 0.9 D 8247695 D Common Stock 2003-07-15 4 S 0 358700 0.9017 D 8247695 D Common Stock 2003-07-15 4 S 0 215700 0.9017 D 8247695 D Shares held by the McKenzie Charitable Lead Annuity Trust 2000, of which Mr. McKenzie and his wife, Margaret Byrne McKenzie, are co-trustees. /s/ Kathy Smith, Name: Kathy Smith, Title: Attorney 2003-07-23