MB FINANCIAL, INC. SHAREHOLDER ALERT

Rigrodsky & Long, P.A. Announces Investigation of Merger

Rigrodsky & Long, P.A.:

• Do you own shares of MB Financial, Inc. (NASDAQ GS: MBFI)?
• Did you purchase any of your shares prior to May 21, 2018?
• Do you think the proposed merger is fair?
• Do you want to discuss your rights?

Rigrodsky & Long, P.A. announces that it is investigating potential legal claims against the board of directors of MB Financial, Inc. (“MB Financial” or the “Company”) (NASDAQ GS: MBFI) regarding possible breaches of fiduciary duties and other violations of law related to the Company’s entry into an agreement to merge with Fifth Third Bancorp (“Fifth Third”) (NASDAQ GS: FITB) in a transaction valued at approximately $4.7 billion. Under the terms of the agreement, shareholders of MB Financial will receive 1.45 shares of Fifth Third common stock and $5.54 in cash for each share of MB Financial common stock.

If you own common stock of MB Financial and purchased any shares before May 21, 2018, if you would like to learn more about this investigation, or if you have any questions concerning this announcement or your rights or interests, please contact Seth D. Rigrodsky or Gina M. Serra at Rigrodsky & Long, P.A., 300 Delaware Avenue, Suite 1220, Wilmington, Delaware 19801, by telephone at [phone], or by e-mail at [e-mail].

Rigrodsky & Long, P.A., with offices in Wilmington, Delaware, Garden City, New York, and San Francisco, California, has recovered hundreds of millions of dollars on behalf of investors and achieved substantial corporate governance reforms in numerous cases nationwide, including federal securities fraud actions, shareholder class actions, and shareholder derivative actions.

Attorney advertising. Prior results do not guarantee a similar outcome.

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