X0306 4 2013-02-04 0 0000056047 KIRBY CORP KEX 0001519863 Ivey William G. 55 WAUGH DRIVE SUITE 1000 HOUSTON TX 77007 0 1 0 0 President-Kirby Inland Marine Common Stock, par value $.10 per share 2013-02-04 4 A 0 3963 0 A 21422 D Common Stock, par value $.10 per share 2013-02-06 4 M 0 6400 23.98 A 27822 D Common Stock, par value $.10 per share 2013-02-06 4 S 0 6400 71.518 D 21422 D Common Stock, par value $.10 per share 8832 I 401K Plan Employee Stock Option (Right to Buy) 70.65 2013-02-04 4 A 0 6348 70.65 A 2016-02-04 2020-02-04 Common Stock 6348 6348 D Employee Stock Option (Right to Buy) 23.98 2013-02-06 4 M 0 6400 23.98 D 2012-01-30 2014-01-30 Common Stock 6400 0 D Restricted Stock awarded under the 2005 Stock and Incentive Plan for Kirby Corporation. The reported price is the weighted average sales price. The sales were at prices ranging from $71.491 to $71.616 per share. The reporting person will provide, upon request by the Commission staff, full information regarding the number of shares sold at each separate price. Option is exercisable 33% after one year, 67% after two years and 100% after three years from date of grant. G. Stephen Holcomb, Agent and Attorney-in-Fact 2013-02-06