Exhibit 99.1

FOR IMMEDIATE RELEASE

BankFinancial Corporation to Host Conference Call and Webcast on May 6, 2008

Burr Ridge, Illinois – (May 1, 2008) BankFinancial Corporation (Nasdaq – BFIN) will review first quarter 2008 results in a conference call and webcast for stockholders and analysts on Tuesday, May 6, 2008 at 9:30 a.m. Central Daylight Time (CDT).

The conference call may be accessed by calling (866) 202-1971 and using participant passcode 34924931. The conference call will be simultaneously webcast at www.bankfinancial.com, “Stockholder Information” page. For those persons unable to participate in the conference call, the webcast will be archived through 5:00 p.m. CDT May 20, 2008 on our website. Copies of BankFinancial Corporation’s First Quarter 2008 Financial Review and our Earnings Release are scheduled to be available on our website, under the “Stockholder Information” section on the evening of May 5, 2008.

BankFinancial Corporation is the holding company for BankFinancial, F.S.B., a full-service, community-oriented bank providing financial services to individuals, families and businesses through 18 full-service banking offices, located in Cook, DuPage, Lake and Will Counties, Illinois. At December 31, 2007, BankFinancial Corporation had total assets of $1.481 billion, total loans of $1.254 billion, total deposits of $1.074 billion and stockholders’ equity of $291.1 million. The company’s common stock trades on the Nasdaq Global Select Market under the symbol BFIN. Additional information may be found at the company’s website, www.bankfinancial.com.

For Further Information Contact:
Shareholder, Analyst and Investor Inquiries:	Media Inquiries:
Elizabeth A. Doolan         Senior Vice President – Finance         BankFinancial Corporation         Telephone: 630-242-7151	Gregg T. Adams Executive Vice President – Marketing & Sales BankFinancial Corporation Telephone: 630-242-7234