NASHVILLE, TN–(Marketwire – July 28, 2010) – In conjunction with Vanguard Health Systems,
Inc.’s 2010 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 with senior management of Vanguard discussing the operating
results.

WHAT:    Vanguard Health Systems, Inc.'s 2010 Fourth Quarter and Year-End
         Earnings Conference Call on the Web

WHEN:    Thursday, August 26, 2010 at 11:00 a.m. Eastern time

WHERE:   http://www.vanguardhealth.com or
         http://www.visualwebcaster.com/event.asp?id=71303

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 the "Latest News" link on the Investor Relations page.

Vanguard Health Systems, Inc. will release its 2010 fourth quarter and
year-end operating results on Wednesday, August 25, 2010, 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 “Latest News” link on the Investor Relations page of our web
site.