POWELL INDUSTRIES INC — Director's Dealing 2008

Jul 10, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWELL INDUSTRIES INC (POWL)
CIK: 0000080420
Period of Report: 2008-07-08

Reporting Person: POWELL THOMAS W (Director, President, CEO, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-07-08	Common Stock	S	1	$48.27	Disposed	576499	Direct
2008-07-08	Common Stock	S	100	$48.26	Disposed	576399	Direct
2008-07-08	Common Stock	S	100	$48.41	Disposed	576299	Direct
2008-07-08	Common Stock	S	100	$48.35	Disposed	576199	Direct
2008-07-08	Common Stock	S	100	$48.60	Disposed	576099	Direct
2008-07-08	Common Stock	S	164	$48.25	Disposed	575935	Direct
2008-07-08	Common Stock	S	200	$48.07	Disposed	575735	Direct
2008-07-08	Common Stock	S	200	$48.45	Disposed	575535	Direct
2008-07-08	Common Stock	S	300	$48.43	Disposed	575235	Direct
2008-07-08	common Stock	S	335	$48.51	Disposed	574900	Direct
2008-07-08	Common Stock	S	400	$48.41	Disposed	574500	Direct
2008-07-08	Common Stock	S	500	$48.15	Disposed	574000	Direct
2008-07-08	Common Stock	S	500	$48.44	Disposed	573500	Direct
2008-07-08	Common Stock	S	2000	$48.50	Disposed	571500	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1798628	Indirect
Common Stock	78720	Indirect
Common Stock	818	Indirect
Common Stock	260860	Indirect

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 20, 2008 and effective July 1, 2008.