KIRBY CORP — Director's Dealing 2007

May 2, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KIRBY CORP (KEX)
CIK: 0000056047
Period of Report: 2007-04-30

Reporting Person: SIMS JACK M (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-04-30	Common Stock, par value $.10 per share	M	16000	$12.775	Acquired	29030	Direct
2007-04-30	Common Stock, par value $.10 per share	S	16000	$39.	Disposed	13030	Direct
2007-05-01	Common Stock, par value $.10 per share	S	234	$37.55	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-04-30	Employee Stock Option (Right to Buy)	$12.775	M	16000	Disposed	2008-01-27	Common Stock (16000)	Direct

Footnotes

F1: Original option exercisable 33% after one year, 67% after two years and 100% after three years from date of grant.