EXHIBIT 99
 

ROWAN COMPANIES, INC.
OFFSHORE RIG UTILIZATION
MAY 2004
	Units *	Utilization
Gorilla Jack-ups:
Gulf of Mexico	5	53%
Canada	1	90%
North Sea	1	100%
Total	7	65%
Other Jack-ups:
Gulf of Mexico	17	100%
Semi-submersible:
Gulf of Mexico	1	29%
Total	25	87%

* Number of units at May 31, 2004

Note: Only revenue-producing days are used in computing rig utilization.

-3-