Tennant (TNC) DEFA14A Additional proxy soliciting materials

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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Filed by a Party other than the Registrant  o
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o	Definitive Proxy Statement
x	Definitive Additional Materials
o	Soliciting Material under §240.14a-12
Tennant Company
(Name of Registrant as Specified In Its Charter)
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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 29, 2020. TENNANT COMPANY XXXX XXXX XXXX XXXX (located on the following page). TENNANT COMPANY 701 NORTH LILAC DRIVE P.O. BOX 1452 MINNEAPOLIS, MN 55440-1452 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 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. E95547-P34869 See the reverse side of this notice to obtain Meeting Information Meeting Type: Annual Meeting For holders as of: March 2, 2020 Date: April 29, 2020 Time: 10:30 a.m. CT Location: Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/TNC2020. The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/TNC2020 and be sure to have the information that is printed in the box marked by the arrow

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 XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. E95548-P34869 Vote By Internet: Before The Meeting: Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow During The Meeting: Go to www.virtualshareholdermeeting.com/TNC2020. Have the information that is printed in the box marked by Vote By Phone: You can vote by telephone by requesting a paper copy of the materials, which will include a proxy card that will provide instructions to vote the shares by proxy via telephone. 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 15, 2020 to facilitate timely delivery.

The Board of Directors recommends you vote FOR each of the nominees in Proposal 1: 1. Election of three Class I directors for three-year terms. Nominees: 1a. Carol S. Eicher 1b. Maria C. Green 1c. Donal L. Mulligan The Board of Directors recommends you vote FOR Proposals 2, 3 and 4. 2. Ratification of the appointment of Deloitte & Touche LLP as the independent registered public accounting firm of the Company for the year ending December 31, 2020. 3. Advisory approval of executive compensation. 4. Approval of the Tennant Company 2020 Stock Incentive Plan. NOTE: In their discretion, the Proxies are authorized to vote upon such other business as may properly come before the meeting. E95549-P34869 Voting Items

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