POWELL INDUSTRIES INC — Director's Dealing 2008

Aug 7, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWELL INDUSTRIES INC (POWL)
CIK: 0000080420
Period of Report: 2008-08-05

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-08-05	Common Stock	S	1100	$50.91	Disposed	555400	Direct
2008-08-05	Common Stock	S	200	$51.22	Disposed	555200	Direct
2008-08-05	Common Stock	S	400	$51.23	Disposed	554800	Direct
2008-08-05	Common Stock	S	100	$51.12	Disposed	554700	Direct
2008-08-05	Common Stock	S	100	$51.11	Disposed	554600	Direct
2008-08-05	Common Stock	S	100	$51.00	Disposed	554500	Direct
2008-08-05	Common Stock	S	100	$50.81	Disposed	554400	Direct
2008-08-05	Common Stock	S	300	$50.82	Disposed	554100	Direct
2008-08-05	Common Stock	S	98	$50.64	Disposed	554002	Direct
2008-08-05	Common Stock	S	302	$50.63	Disposed	553700	Direct
2008-08-05	Common Stock	S	500	$50.70	Disposed	553200	Direct
2008-08-05	Common Stock	S	100	$50.59	Disposed	553100	Direct
2008-08-05	Common Stock	S	100	$50.57	Disposed	553000	Direct
2008-08-05	Common Stock	S	192	$50.66	Disposed	552808	Direct
2008-08-05	Common Stock	S	300	$50.86	Disposed	552508	Direct
2008-08-05	Common Stock	S	100	$50.92	Disposed	552408	Direct
2008-08-05	Common Stock	S	100	$50.89	Disposed	552308	Direct
2008-08-05	Common Stock	S	100	$50.87	Disposed	552208	Direct
2008-08-05	Common Stock	S	100	$51.19	Disposed	552108	Direct
2008-08-05	Common Stock	S	100	$51.21	Disposed	552008	Direct
2008-08-05	Common Stock	S	100	$51.13	Disposed	551908	Direct
2008-08-05	Common Stock	S	100	$51.29	Disposed	551808	Direct
2008-08-05	Common Stock	S	1	$51.27	Disposed	551807	Direct
2008-08-05	Common Stock	S	300	$51.24	Disposed	551507	Direct
2008-08-05	Common Stock	S	7	$51.62	Disposed	551500	Direct

Holdings (Non-Derivative)

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