NWPX Infrastructure, Inc. — Director's Dealing 2008

May 20, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NORTHWEST PIPE CO (NWPX)
CIK: 0001001385
Period of Report: 2008-01-16

Reporting Person: KINGLSEY WAYNE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-01-16	common stock	G	2400	$43.48	Disposed	9265	Direct
2008-05-19	common stock	M	2000	$22.875	Acquired	11265	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-05-19	non-qualified stock option	$22.875	M	2000	Disposed	2008-05-19	common stock (2000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
common stock	2593	Indirect