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 * Eckert Andrew J   2. Issuer Name and Ticker or Trading Symbol TENNANT CO [TNC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice President, The Americas (Last) (First) (Middle) TENNANT COMPANY, LEGAL DEPT., MD 16, 701 N. LILAC DR. 3. Date of Earliest Transaction (Month/Day/Year) 02/23/2010 (Street) MINNEAPOLIS, MN 55422 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 Common Stock 02/23/2010   M   2,437 A (1) 13,865 D   Common Stock 02/23/2010   F   1,219 D $ 23.26 12,646 D   Common Stock               2,563.0734 I ESOP and Profit Sharing

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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

Deferred Stock Units - Short Term Incentive Plan

(1)

02/23/2010

M

2,437

(1)

(1)

Common stock

2,437

(1)

0

D

Deferred Stock Units - Short Term Incentive Plan

(2)

02/26/2010

A

3,526

(2)

(2)

Common Stock

3,526

$ 0

3,526

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Eckert Andrew J TENNANT COMPANY, LEGAL DEPT., MD 16 701 N. LILAC DR. MINNEAPOLIS, MN 55422			Vice President, The Americas

Signatures

/s/Timothy Phillips, as Attorney-in-Fact		03/12/2010
**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)	Reflects payout of Short-Term Incentive Plan Deferred Stock Units granted February 23, 2007 and governed by the 1999 Stock Incentive Plan. Units were granted at a rate of $1.20 for each dollar of bonus earned. The units vested at the time of grant; the 20% premium vested February 23, 2007. The payout was settled with 1,218 shares issued to the reporting person and 1,219 shares withheld for taxes.
(2)	Short Term Incentive Plan Annual Bonus Deferred Stock Units granted on February 26, 2010 and governed by the 1999 Stock Incentive Plan. Units are granted at a rate of $1.20 for each dollar of bonus earned. The units are to be settled in Tennant Common Stock at a rate of 1 to 1. The units vested at the time of the grant; the 20% premium will vest three years from the date of grant. Dividends are converted into additional Deferred Stock Units and also vest three years from the date of grant.

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