Press Release

Chemical Financial Corporation Increases Cash Dividend

Company Release - 12/13/2005 8:30 AM ET

MIDLAND, Mich., Dec. 13 /PRNewswire-FirstCall/ -- Chemical Financial Corporation's Board of Directors announced that on December 12, 2005, the board of directors of the Company declared a quarterly cash dividend of $0.275 per share of common stock, representing a 3.8% increase over the fourth quarter 2005 dividend. The higher dividend will be payable on Friday, March 17, 2006, to shareholders of record on March 3, 2006. The ex-dividend date is March 1, 2006. In declaring this dividend, the board indicated its intent to continue this quarterly dividend rate throughout 2006 resulting in a 3.8% increase in cash dividends. The year of 2006 will mark the 32nd consecutive year of annual dividend increases paid to Chemical Financial Corporation shareholders.

Chemical Financial Corporation (Nasdaq: CHFC) is the fourth largest bank holding company headquartered in Michigan. The Company's three subsidiary banks operate 132 banking offices spread over 32 counties in the lower peninsula of Michigan.

Chemical Financial Corporation common stock trades on The Nasdaq Stock Market under the symbol CHFC and is one of the issues comprising the Nasdaq Financial 100 index.

Forward Looking Statements

This press release contains forward-looking statements. Words such as "anticipates," "believes," "estimates," "expects," "intends," "should," "will," variations of such words and similar expressions are intended to identify forward-looking statements. These statements reflect management's current beliefs as to the expected outcomes of future events and are not guarantees of future performance. These statements involve certain risks, uncertainties and assumptions that are difficult to predict with regard to timing, extent, likelihood and degree of occurrence. Therefore, actual results and outcomes may materially differ from what may be expressed or forecasted in such forward-looking statements. Factors that could cause a difference include, among others: changes in the national and local economies or market conditions; changes in interests rates and banking regulations; the impact of competition from traditional or new sources; and the possibility that anticipated cost savings and revenue enhancements from mergers and acquisitions and bank consolidations may not be fully realized at all or within the expected time frames. These and other factors that may emerge could cause decisions and actual results to differ materially from current expectations. Chemical undertakes no obligation to revise, update, or clarify forward-looking statements to reflect events or conditions after the date of this release.

SOURCE  Chemical Financial Corporation
    -0-                             12/13/2005
    /CONTACT:  David B. Ramaker, President & CEO of Chemical Financial
Corporation, +1-989-839-5269/
    /Company News On-Call:
    /Web site: /

CO:  Chemical Financial Corporation
ST:  Michigan

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