SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.     )

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¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material Pursuant to § 240.14a-12

Tableau Software, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)

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*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on May 11, 2015.
TABLEAU SOFTWARE, INC.
TABLEAU SOFTWARE, INC.
837 N. 34TH STREET
SUITE 200
SEATTLE, WA 98103
Meeting Information
Meeting Type: Annual Meeting
For holders as of: March 18, 2015
Date: May 11, 2015 Time: 11:00 AM local time
Location: Lake Washington Rowing Club
910 North Northlake Way
Seattle, Washington 98103
You are receiving this communication because you hold shares in the above named company.
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.
See the reverse side of this notice to obtain proxy materials and voting instructions.
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Before You Vote
How to Access the Proxy Materials
Proxy Materials Available to VIEW or RECEIVE:
2014 Annual Report and Proxy Statement for 2015 Annual Meeting
How to View Online:
Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the 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 by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line.
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 27, 2015 to facilitate timely delivery.
How To Vote
Please Choose One of the Following Voting Methods
Vote In Person: Many stockholder 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 marked by the arrow XXXX XXXX XXXX XXXX available and follow the instructions.
Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.
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Voting Items
The Board of Directors recommends you vote FOR the following:
1. Election of Directors
Nominees:
01) Forest Baskett 02) Billy Bosworth 03) Patrick Hanrahan
The Board of Directors recommends you vote FOR the following proposal:
2. To approve, on an advisory basis, the compensation of the Company’s named executive officers, as disclosed in the accompanying proxy statement.
The Board of Directors recommends you vote 1 YEAR on the following proposal:
3. To indicate, on an advisory basis, the preferred frequency of stockholder advisory votes on the compensation of the Company’s named executive officers.
The Board of Directors recommends you vote FOR the following proposal:
4. To ratify the selection by the Audit Committee of the Board of Directors of PricewaterhouseCoopers LLP as the independent registered public accounting firm of the Company for its fiscal year ending December 31, 2015.
To conduct such other business properly brought before the meeting.
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M89046-P62463