Issuers of corporate securities are required to complete Internal Revenue Service Form 8937 to report
organizational actions that affect the basis of the securities. The information in IRS Form 8937 and the
related attachments does not constitute tax advice and is not intended to be a complete analysis or
description of all potential U.S. federal income tax consequences of the merger of equals between
Chemical Financial Corporation and Legacy TCF Financial Corporation. Legacy TCF stockholders are
strongly urged to consult with their own tax advisors to determine the particular U.S., federal, state,
local or foreign income or other tax consequences of the merger transaction on them.