Insight Health Services Holdings Corp. To Host Third Quarter Fiscal 2008 Results Conference Call

LAKE FOREST, Calif. … May 12, 2008 … InSight Health Services Holdings Corp. (“InSight”) today announced that management will host a conference call to discuss results for its third fiscal quarter ended March 31, 2008. InSight expects to file its Quarterly Report on Form 10-Q for such period with the Securities and Exchange Commission on or before Thursday, May 15, 2008. The call is scheduled for Monday, May 19, 2008, at 8:00 a.m. Pacific Standard Time.

Kip Hallman, President and Chief Executive Officer, and Mitch C. Hill, Executive Vice President and Chief Financial Officer, will host the conference call.

To participate by telephone, please dial 1-888- 886-7043 ten minutes prior to the scheduled call.

To listen to an archived web cast of the call, visit www.insighthealth.com, go to the bottom of the home page and click on “More Financial Info” to access a link to the call. The archived web cast of the call will be available for 90 days beginning on May 20, 2008.

About InSight

InSight, headquartered in Lake Forest, California, is a nationwide provider of diagnostic imaging services. It serves managed care entities, hospitals and other contractual customers in over 30 states, including the following targeted regional markets: California, Arizona, New England, the Carolinas, Florida and the Mid-Atlantic states. As of March 31, 2008, InSight’s network consists of 92 fixed-site centers and 111 mobile facilities.

For more information, please visit www.insighthealth.com.