POWELL INDUSTRIES INC — Director's Dealing 2007

Oct 9, 2007

SEC Form 4/A — Form 4/A

Issuer: POWELL INDUSTRIES INC (POWL)
CIK: 0000080420
Period of Report: 2007-09-28

Reporting Person: TRANCHON ROBERT C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-09-28	Common Stock	M	2000	$17.85	Acquired	8100	Direct
2007-09-28	Common Stock	S	2000	$37.79	Disposed	6100	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-09-28	Director Stock Option	$17.85	M	2000	Disposed	2008-04-30	Common Stock (2000)	Direct

Footnotes

F1: Corrects inadvertent errors in (i) price acquired in Table I, Column 4, (ii) Reporting person's restricted stock holdings in Table I, Column 5 and (iii) the expiration dated reported in Table II, Column 6.

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

F3: Becomes exercisable on the first anniversary of 04/30/2001, the date of the grant.