UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

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Tennant Company
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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on April 25, 2018. TENNANT COMPANY You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of TENNANT COMPANY 701 NORTH LILAC DRIVE P.O. BOX 1452 MINNEAPOLIS, MN 55440-1452 the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. proxy materials and voting instructions. E39008-P02441 See the reverse side of this notice to obtain Meeting Information Meeting Type:Annual Meeting For holders as of:February 28, 2018 Date: April 25, 2018Time: 10:30 a.m. CT Location: Minneapolis Marriott West 9960 Wayzata Blvd. St. Louis Park, MN 55426

Before You Vote How to Access the Proxy Materials Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line. How To Vote Please Choose One of the Following Voting Methods marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. E39009-P02441 Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. Proxy Materials Available to VIEW or RECEIVE: NOTICE AND PROXY STATEMENTFORM 10-K How to View Online: following page) and visit: www.proxyvote .com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET: www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*: sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 11, 2018 to facilitate timely delivery.

The Board of Directors recommends a vote FOR ALL nominees listed. Vote on Directors 1. Election of Directors, such that the total number of directors is eight. Nominees: 01) Azita Arvani 02) Steven A. Sonnenberg 03) David S. Wichmann If elected, Ms. Arvani and Messrs. Sonnenberg and Wichmann will serve for a term of three years. Vote on Proposals The Board of Directors recommends you vote FOR the following proposals: 2. Ratify the appointment of KPMG LLP as the independent registered public accounting firm of the Company for the year ending December 31, 2018. 3. Approve an amendment to the Restated Articles of Incorporation to adopt majority voting for the Election of Directors in uncontested elections. 4. Advisory approval of executive compensation. In their discretion, the Proxies are authorized to vote upon such other business as may properly come before the meeting. E39010-P02441 Voting Items