FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * TOMCZYK JAMES E   2. Issuer Name and Ticker or Trading Symbol CHEMICAL FINANCIAL CORP [(CHFC)] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Officer of Principle Bus. Unit (Last) (First) (Middle) 720 PLEASANT STREET 3. Date of Earliest Transaction (Month/Day/Year) 04/19/2011 (Street) ST. JOSEPH, MI 49085 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Options

$ 19.97

04/19/2011

A

1,484

04/19/2012

04/20/2021

Common Stock

1,484

$ 0

1,484

D

Stock Options

$ 19.97

04/19/2011

A

1,484

04/19/2013

04/20/2021

Common Stock

1,484

$ 0

1,484

D

Stock Options

$ 19.97

04/19/2011

A

1,485

04/19/2014

04/20/2021

Common Stock

1,485

$ 0

1,485

D

Restricted Stock Units

(1)

04/19/2011

A

2,968

(1)

(1)

Common Stock

2,968

$ 0

2,968

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
TOMCZYK JAMES E 720 PLEASANT STREET ST. JOSEPH, MI 49085				Officer of Principle Bus. Unit

Signatures

/s/ Lori A. Gwizdala, His Attorney-In-Fact		04/20/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Award of restricted stock units pursuant to the Chemical Financial Corporation Stock Incentive Plan of 2006. Restricted stock units are convertible into shares of common stock upon the completion of the year ending December 31, 2013, based on the attainment by the Company of certain financial performance criteria in the years ending December 31, 2011, 2012 and 2013. Restricted stock units are reported assuming shares of common stock will be issuable on a 1-for-1 basis, but restricted stock units may be convertible on a basis ranging from 0.5-for-1 to 1.5-for-1 depending on the actual performance of the Company.

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