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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DST Systems, 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 9, 2017. DST SYSTEMS, INC. XXXX XXXX XXXX XXXX (located on the following page). DST SYSTEMS, INC. 333 WEST 11TH STREET KANSAS CITY, MO 64105 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. E20319-P87714 See the reverse side of this notice to obtain Meeting Information Meeting Type: Annual Meeting For holders as of: March 17, 2017 Date: May 9, 2017 Time: 8:00 AM CDT Location: Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/DST2017. 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/DST2017 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. E20320-P87714 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/DST2017. Have the information that is printed in the box marked by 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 25, 2017 to facilitate timely delivery.

The Board of Directors recommends you vote FOR the following: 1. Election of Directors Nominees: 01) 02) 03) 04) 05) Joseph C. Antonellis Jerome H. Bailey Lynn Dorsey Bleil Gary D. Forsee Stephen C. Hooley The Board of Directors recommends you vote FOR proposals 2 and 3, and ANNUAL for proposal 4. 2. Ratify the Audit Committee's Selection of PricewaterhouseCoopers LLP. 3. Adopt an Advisory Resolution to Approve Named Executive Officer Compensation ("Say on Pay"). 4. Adopt an Advisory Resolution on the Frequency of Future "Say on Pay" Voting. E20321-P87714 Voting Items

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