X0306 4/A 2012-04-10 2012-04-12 0 0000714603 DST SYSTEMS INC DST 0001193832 YOUNG RANDALL D 0 1 0 0 V-Pres, Gen Counsel & Secretar Common Stock 2012-04-10 4 A 0 77 0 A 27737 D The acquisition is of unvested restricted stock units received automatically on April 10, 2012, as dividend equivalents pursuant to the terms and conditions of award agreements (Dividend RSUs). The Dividend RSUs were granted in connection with Reported RSUs, which include RSUs granted February 23, 2010 (2010 Time/Performance RSUs) and February 24, 2011 (2011 Time RSUs), and the Dividend RSUs previously received in connection therewith. The aggregate number of Dividend RSUs being reported as an acquisition on this form includes 67 RSUs granted with respect to the 2010 Time/Performance RSUs and 10 RSUs granted with respect to the 2011 Time RSUs. The 75 over-reported Dividend RSUs on the original Form 4 were granted on underlying performance RSUs that are not reportable and were also included in the direct ownership totals on two subsequent Form 4s filed by the Reporting Person on May 4, 2012 and July 5, 2012. Randall D. Young 2012-11-09