POWELL INDUSTRIES INC — Director's Dealing 2007

Dec 19, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWELL INDUSTRIES INC (POWL)
CIK: 0000080420
Period of Report: 2007-12-18

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-12-18	Common Stock	M	42500	$17.85	Acquired	624000	Direct
2007-12-18	Common Stock	S	42500	$43.22	Disposed	581500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-12-18	Stock Option	$17.85	S	43.22	Disposed	2008-04-29	Common Stock (42500)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1909292	Indirect
Common Stock	267360	Indirect
Common Stock	78720	Indirect
Common Stock	818	Indirect

Footnotes

F1: These Stock Options become exercisable in equal installments on each of the first five anniversaries of 4/30/2001, the date of the Grant.