X0305 4 2012-05-03 0000054480 KANSAS CITY SOUTHERN KSU 0001034466 MCDONNELL THOMAS A KANSAS CITY SOUTHERN PO BOX 219335 KANSAS CITY MO 64121-9335 1 0 0 0 Common Stock 2012-05-03 4 A 0 1230 0 A 118755 D Common Stock 500000 I By West Side Investments, Inc. West Side Investments, Inc. is a wholly owned subsidiary of DST Systems, Inc. The reporting person is a Director and CEO of DST Systems, Inc. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Brian P. Banks, Attorney-In-Fact 2012-05-04