SOURCE: Northwest Pipe Company

Northwest Pipe Company

January 25, 2011 17:00 ET

Northwest Pipe Company's Bossier City Facility Receives ISO Certification and API License

VANCOUVER, WA--(Marketwire - January 25, 2011) - Northwest Pipe Company (NASDAQ: NWPX), an industry leader of engineered welded steel pipe and tube products, recently completed the American Petroleum Institute's (API) audit for 5L and 5CT at its Bossier City facility.

The Bossier City facility which manufactures Electric Resistance Welded (ERW) steel pipe for the Company's Tubular Products Group has an estimated capacity of 125,000 tons per year. With the addition of the API license, the facility can begin production of carbon grade casing and line pipe. In addition, the facility will continue to supply green tubes suitable for upgrade to a select group of API processors.

"Successfully completing the API audit and receiving our API license for 5L and 5CT is a major milestone and exciting opportunity for our Bossier City facility," said Rich Roman, CEO, Northwest Pipe Company. Bob Mahoney, President of Northwest Pipe Company's Tubular Products Group adds "Our API certification will position this facility to produce both OCTG casing products and line pipe. It is part of our continuing Tubular Products strategy to grow our energy products offerings."

About Northwest Pipe Company's Tubular Products Group
Headquartered in Vancouver, Washington, Northwest Pipe Company's Tubular Products Group operates three ERW (Electric Resistance Weld) mill facilities in the United States. Tubular's products serve a wide-range of applications including: energy, oil and gas, structural, industrial, fire protection, low pressure and agricultural.

About Northwest Pipe Company
Northwest Pipe Company is comprised of two business groups. Its Water Transmission Group is the leading supplier of large diameter, high-pressure steel pipe products used primarily for water transportation infrastructure. Its Tubular Products Group manufactures smaller diameter steel pipe for many applications including energy, industrial, construction, agricultural, traffic and other commercial and industrial uses. The Company is headquartered in Vancouver, Washington and has manufacturing facilities in the United States and Mexico.

For more information, visit www.nwpipe.com.

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