Vanguard Health Systems, Inc. Invites You to Join Its 2007 Fourth Quarter and Year End Earnings Conference Call Webcast

In conjunction with Vanguard Health Systems, Inc.’s 2007 Fourth Quarter and Year End Earnings press release, you are invited to listen to its conference call that will be broadcast live over the Internet on September 19, 2007 at 11:00 a.m. Eastern time with senior management of Vanguard discussing the operating results.

 WHAT:   Vanguard Health Systems, Inc.’s 2007 Fourth Quarter and Year End         Earnings Conference Call on the Web WHEN:   Wednesday, September 19, 2007 at 11:00 a.m. Eastern time WHERE:  http://www.vanguardhealth.com or         http://www.visualwebcaster.com/event.asp?id=42019 HOW:    Live over the Internet — Simply log on to the web at one of the         addresses above. If you connect through www.vanguardhealth.com,         select “Fourth Quarter Webcast” from the home page. 

Vanguard Health Systems, Inc. will release its 2007 fourth quarter operating results on Tuesday, September 18, 2007, after 4:00 p.m. Eastern time. The Company’s earnings press release will be posted under the “Latest News” link on the Investor Relations page of the Company’s web site www.vanguardhealth.com

Vanguard Health Systems, Inc. owns and operates 15 acute care hospitals and complementary facilities and services in Chicago, Illinois; Phoenix, Arizona; San Antonio, Texas and Massachusetts.

If you are unable to participate during the live Webcast, the call will be archived on our web site www.vanguardhealth.com. To access the replay, click on the Fourth Quarter Webcast on our home page or on the “Latest News” link on the Investor Relations page of our web site.

SOURCE: Vanguard Health Systems