X0202 3 2006-07-24 0 0001356792 CHG Healthcare Services, Inc. CHGH 0001281153 FHM IV LP TWO UNION SQUARE 601 UNION STREET, STE 3200 SEATTLE WA 98101 0 0 1 0 0001140366 FRAZIER HEALTHCARE IV LP TWO UNION SQUARE 601 UNION STREET, STE 3200 SEATTLE WA 98101 0 0 1 0 0001161015 FRAZIER AFFILIATES IV LP TWO UNION SQUARE 601 UNION STREET, STE 3200 SEATTLE WA 98101 0 0 1 0 Common Stock 1626031 I By Frazier Healthcare IV, L.P. Common Stock 8254 I By Frazier Affiliates IV, L.P. These securities are owned directly by the entity listed. Frazier Healthcare IV, LP and Frazier Affiliates IV, LP, are joint filers. The designated filer, FHM IV, LP, serves as the general partner of Frazier Healthcare IV, LP and Frazier Affiliates IV, LP. FHM IV, LP disclaims beneficial ownership of the reported securities, except to the extent of its proportionate pecuniary interest therein. FHM IV, LP By: FHM IV, LLC Its General Partner By: Alan D. Frazier, Member 2006-07-24