SIE Sierra Health Svcs

Sierra Health Services, Inc. (NYSE:SIE) today announced that it will release its first quarter financial results after market close on Tuesday, April 24, 2007. A conference call with investors, analysts and the general public is scheduled for 12:00 p.m. (Eastern Time) on Wednesday, April 25, 2007. The public may listen to this conference call by dialing 888-988-9162 (using the passcode: EARNINGS). Individuals who dial in to listen to the call will be asked to identify themselves and their affiliations. Listeners may also access the conference call free over the Internet by visiting the investor relations page of Sierra�s web site at www.sierrahealth.com. To listen to the live call on the web site, please visit the Sierra site at least 20 minutes early (to download and install any necessary audio software). In order to facilitate a better understanding of the call, Sierra is asking listeners to review its Annual Report on Form 10-K for the year ended December 31, 2006. Listeners should review cautionary statements under �Management�s Discussion and Analysis of Financial Condition and Results of Operations.� Sierra Health Services, Inc., based in Las Vegas, is a diversified healthcare services company that operates health maintenance organizations, indemnity insurers, preferred provider organizations, prescription drug plans and multi-specialty medical groups. Sierra�s subsidiaries serve over 850,000 people through health benefit plans for employers, government programs and individuals. For more information, visit the Company�s website at www.sierrahealth.com.