MIDLAND, Mich., May 25, 2010 (GLOBE NEWSWIRE) -- Chemical Financial Corporation (Nasdaq:CHFC) today announced the Board of Directors of the Company declared a second quarter 2010 cash dividend of $0.20 per share of common stock. The second quarter 2010 dividend will be payable on June 18, 2010, to shareholders of record on June 4, 2010. The ex-dividend date is June 2, 2010.

Chemical Financial Corporation is the third-largest bank holding company headquartered in Michigan. The Company operates through 144 banking offices spread over 32 counties in the lower peninsula of Michigan. Chemical Financial Corporation's common stock trades on The NASDAQ Stock Market under the symbol CHFC and is one of the issues comprising the NASDAQ Global Select Market. More information on Chemical Financial Corporation is available by visiting the investor relations section of its website at www.chemicalbankmi.com .

SAFE HARBOR STATEMENT

This press release contains forward-looking statements that are based on management's beliefs, assumptions, current expectations, estimates and projections about the financial services industry, the economy and Chemical Financial Corporation itself. Words such as "anticipates," "believes," "estimates," "expects," "forecasts," "intends," "is likely," "judgment," "plans," "predicts," "projects," "should," "will," variations of such words and similar expressions are intended to identify such forward-looking statements. The future effect of changes in the financial and credit markets and the national and regional economy on the banking industry, generally, and on Chemical Financial Corporation, specifically, are also inherently uncertain. These statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions ("risk factors") 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. Chemical Financial Corporation undertakes no obligation to update, amend or clarify forward-looking statements, whether as a result of new information, future events or otherwise.

Risk factors include, but are not limited to, the risk factors described in Item 1A in Chemical Financial Corporation's Annual Report on Form 10-K for the year ended December 31, 2009; the risk factors described in Item 1A in O.A.K. Financial Corporation's Annual Report on Form 10-K for the year ended December 31, 2009; the timing and level of asset growth; changes in market interest rates; changes in banking laws and regulations; changes in tax laws; changes in prices, levies and assessments; the impact of technological advances and issues; governmental and regulatory policy changes; opportunities for acquisitions and the effective completion of acquisitions and integration of acquired entities; the possibility that anticipated cost savings and revenue enhancements from acquisitions, restructurings, reorganizations and bank consolidations may not be realized fully or at all or within expected time frames; the local and global effects of current and future military actions, and current uncertainties and fluctuations in the financial markets and stocks of financial services providers due to concerns about capital levels and credit availability and concerns about the Michigan economy in particular. These and other factors are representative of the risk factors that may emerge and could cause a difference between an ultimate actual outcome and a preceding forward-looking statement.

CONTACT:  Chemical Financial Corporation          David B. Ramaker, CEO          Lori A. Gwizdala, CFO          989-839-5350