First Midwest to Participate in Lehman Brothers 2007 Financial Services Conference

ITASCA, IL--(Marketwire - September 5, 2007) - First Midwest Bancorp, Inc. (NASDAQ: FMBI) today announced that it will be participating in the Lehman Brothers 2007 Financial Services Conference to be held in New York, New York on September 10-12, 2007. Michael L. Scudder, First Midwest's President and Chief Operating Officer, and Paul F. Clemens, First Midwest's Executive Vice President and Chief Financial Officer, will represent the company at the Conference at 2:15 PM (ET) on Tuesday, September 11, 2007. Interested individuals may listen to the live webcast of the presentation and view a copy of the slides used in the presentation by accessing http://www.firstmidwest.com/aboutinvestor_overview.asp.

For those unable to attend the live broadcast, a replay will be available within 24 hours of the live presentation on First Midwest's website for approximately 7 days following the presentation.

First Midwest is the premier relationship-based banking franchise in the growing Chicagoland banking market. As one of the Chicago metropolitan area's largest independent bank holding companies, First Midwest provides the full range of both business and retail banking and trust and investment management services through 103 offices located in 63 communities, primarily in metropolitan Chicago. First Midwest was the only bank named by Chicago magazine as one of the 25 best places to work in Chicago.

Contact Information: Contact: Andrea Stangl Assistant Corporate Secretary (630) 875-7463 www.firstmidwest.com First Midwest Bancorp One Pierce Place, Suite 1500 Itasca, Illinois 60143-9768 (630) 875-7450