POWELL INDUSTRIES INC — Director's Dealing 2008

May 27, 2008

SEC Form 4/A — Form 4/A

Issuer: POWELL INDUSTRIES INC (POWL)
CIK: 0000080420
Period of Report: 2008-05-23

Reporting Person: TRANCHON ROBERT C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-05-23	Common Stock	M	2000	$23.48	Acquired	8100	Direct
2008-05-23	Common Stock	S	2000	$51.84	Disposed	6100	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-05-23	Director Stock Options	$23.48	M	200	Disposed	2010-06-26	Common Stock (2000)	Direct

Footnotes

F1: Amended form to correct transaction date.

F2: Includes 3,000 shares of restricted stock that have time-based vesting provisions.