PORTLAND, OR--(Marketwire - July 18, 2007) - Northwest Pipe Company (NASDAQ: NWPX) announced three management promotions today. Winsor Jenkins was named Vice President, Human Resources; Gary Stone was named Vice President, Quality Assurance; and Greg Carrier was named Vice President, Purchasing.

Winsor Jenkins joined the Company in 1998 as Director of Human Resources. Since that time, he has been instrumental in bringing new safety programs to the Company and upgrading its training programs. Prior to joining Northwest Pipe, he worked primarily in the forest products industry, most recently for Pope & Talbot, Inc.

Gary Stone has been with Northwest Pipe for sixteen years. He has led the design and development of the Company's quality assurance systems and internationally recognized certifications. He previously worked for Harder Mechanical Contractors.

Greg Carrier started at Northwest Pipe in 1996 and ultimately was appointed Director of Materials in 2001. He has been responsible for managing major raw material purchases for all of the Company's locations and has recently expanded into additional purchasing activities. He has spent his entire career in manufacturing and purchasing capacities.

"Each of these gentlemen has made a significant mark on the Northwest Pipe of today," said Brian W. Dunham, president and CEO. "More important is the impact I believe they will have on the Company in the future as we continue to develop and expand."

Northwest Pipe Company manufactures welded steel pipe and other products in three business segments. Its Water Transmission Group is a leading supplier of large diameter, high-pressure steel pipe products that are used primarily for water infrastructure in North America. Its Tubular Products Group manufactures smaller diameter steel pipe for a wide range of construction, agricultural, energy, industrial and mechanical applications. Its Fabricated Products Group manufactures propane tanks and other fabricated products. The Company is headquartered in Portland, Oregon and now has ten manufacturing facilities across the United States and Mexico. Northwest Pipe Company just announced the acquisition of its tenth division, Continental Pipe Company of Pleasant Grove, Utah, earlier this month.

Contact Information: For more information, contact: Brian Dunham 503-946-1200