UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K/A

AMENDMENT NO. 1

Commission File Number 0-8185

CHEMICAL FINANCIAL CORPORATION
(Exact Name of Registrant as Specified in its Charter)

Registrant's Telephone Number, Including Area Code: (800) 292-1985

Securities Registered Pursuant to Section 12(g) of the Act:

Common Stock, $1 Par Value
(Title of Class)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes    X     No ____

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K  ( )

The aggregate market value of the voting stock held by non-affiliates of the registrant as of March 8, 2002, was $554,827,000.

The number of shares outstanding of the registrant's Common Stock, $1 par value, at March 8, 2002, was 22,536,549.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant's Annual Report to Shareholders for the year ended December 31, 2001, are incorporated by reference in Parts I and II (Items 1 and 5-8).
Portions of the registrant's definitive Proxy Statement for its April 15, 2002, annual shareholders' meeting are incorporated by reference in Part III (Items 10-13).