Vanguard Health Systems to Participate in Investor Conferences in June

Vanguard Health Systems, Inc.Gary Willis, 615-665-6098Senior Vice President and Chief Accounting Officer

Vanguard Health Systems, Inc. (NYSE: VHS) (the “Company”) announced today that its management will participate in the following health care conferences in June.

A link to each live audio webcast, and replays of the presentations, will be made available on the Investor Relations section of the Company’s website.

The Company owns and operates 28 acute care and specialty hospitals and complementary facilities and services in metropolitan Chicago, Illinois; metropolitan Phoenix, Arizona; metropolitan Detroit, Michigan; San Antonio, Texas; Harlingen and Brownsville, Texas; and Worcester and metropolitan Boston, Massachusetts. The Company’s strategy is to develop locally branded, comprehensive health care delivery networks in urban and suburban markets.