Rowan Companies 8-K Other Events

EXHIBIT 99

ROWAN COMPANIES, INC.

OFFSHORE RIG UTILIZATION

APRIL 2005

	Units *		Utilization
Gorilla Jack-ups:
Gulf of Mexico		5		86	%
North Sea		2		98	%
Total		7		90	%
Other Jack-ups:
Gulf of Mexico		17		94	%
Semi-submersible:
Gulf of Mexico		1		100	%
Total		25		93	%

* Number of units at April 30, 2005

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

The revenue related to Gorilla VII (located in the North Sea) is being

recognized upon collection.