Corporate Headquarters Northwest Pipe Company 200 SW Market Street, Suite 1800, Portland, Oregon 97201 (503) 946-1200 Low  High 2003 First Quarter $11.66 $17.50 Second Quarter $ 8.26 $14.52 Third Quarter $12.75 $16.55 Fourth Quarter $11.85 $15.03 2002 First Quarter $14.62 $17.85 Second Quarter $15.35 $23.84 Third Quarter $14.51 $23.00 Fourth Quarter $13.50 $18.50 Common Stock Prices There were no cash dividends declared or paid in fiscal years 2002 or 2003. The  company does not anticipate paying cash dividends in the  foreseeable future. There were 96 shareholders of record and approximately 1,600  beneficial shareholders at March 12, 2004. Northwest Pipe Company’s common stock is traded on the NASDAQ National Ma rket System under the symbol NWPX. The transfer agent and registrar for Northwest Pipe stock is: Mellon Investor Services LLC P. O. Box 3315, South Hackensack, New Jersey 07606 (800) 522-6645 www.melloninvestor.com Transfer Agent & Registrar Public/Shareholder Information 2004 Annual Meeting of Shareholders Independent Public Accountants Legal Counsel Diane Campbell Northwest Pipe Company  200 SW Market Street, Suite 1800, Portland, Oregon 97201 (503) 946-1200 dcampbell@nwpipe.com www.nwpipe.com Tuesday, May 11, 2004 9:00 a.m. Heathman Hotel 1001 S. W. Broadway, Portland, Oregon 97205 (503) 241-4100 Proxy material will be mailed to shareholders of record prior to the meeting. PricewaterhouseCoopers LLP Portland, Oregon Ater Wynne LLP Portland, Oregon