POWELL INDUSTRIES INC — Director's Dealing 2008

Jul 31, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWELL INDUSTRIES INC (POWL)
CIK: 0000080420
Period of Report: 2008-07-29

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-07-29	Common Stock	S	532	$56.33	Disposed	560968	Direct
2008-07-29	Common Stock	S	300	$56.61	Disposed	560668	Direct
2008-07-29	Common Stock	S	200	$56.40	Disposed	560468	Direct
2008-07-29	Common Stock	S	1313	$56.60	Disposed	559155	Direct
2008-07-29	Common Stock	S	700	$56.59	Disposed	558455	Direct
2008-07-29	Common Stock	S	365	$56.69	Disposed	558090	Direct
2008-07-29	Common Stock	S	287	$56.55	Disposed	557803	Direct
2008-07-29	Common Stock	S	200	$56.50	Disposed	557603	Direct
2008-07-29	Common Stock	S	200	$56.41	Disposed	557403	Direct
2008-07-29	Common Stock	S	3	$56.66	Disposed	557400	Direct
2008-07-29	Common Stock	S	100	$56.62	Disposed	557300	Direct
2008-07-29	Common Stock	S	100	$56.56	Disposed	557200	Direct
2008-07-29	Common Stock	S	100	$56.51	Disposed	557100	Direct
2008-07-29	Common Stock	S	200	$56.54	Disposed	556900	Direct
2008-07-29	Common Stock	S	100	$56.70	Disposed	556800	Direct
2008-07-29	Common Stock	S	100	$56.45	Disposed	556700	Direct
2008-07-29	Common Stock	S	100	$56.42	Disposed	556600	Direct
2008-07-29	Common Stock	S	100	$56.39	Disposed	556500	Direct

Holdings (Non-Derivative)

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