Northwest Pipe Company's Water Transmission Group Awarded Schoharie Reservoir Low Level Outlet Contract

VANCOUVER, WA--(Marketwired - Oct 6, 2015) - Northwest Pipe Company (NASDAQ: NWPX), an industry leader of engineered welded steel pipe products for the water transmission market, was selected by Southland Contracting, Inc. of Fort Worth, Texas to provide 2,250 feet of 108-inch diameter steel water pipe for the Schoharie Reservoir Low Level Outlet Tunnel Project. This pipe will be manufactured at Northwest Pipe's Permalok^® facility in St. Louis, Missouri. The Permalok^® steel tunnels will be installed in the vicinity of the Gilboa Dam in Schoharie County, New York, using micro tunneling technology. The project is anticipated to be substantially completed by the end of 2020 and is owned by New York City Department of Environmental Protection.

"We are very pleased that our Permalok^® product has been chosen to be part of this challenging underwater tunneling solution," said Scott Montross, President and CEO for Northwest Pipe Company. "The award of this project demonstrates the importance of a joint system that provides repeatable performance in varying soil conditions. We look forward to continuing the successful use of our Permalok^® joint in single pass applications for long, deep tunnel environments."

About Northwest Pipe Company

Northwest Pipe Company is a leading manufacturer of welded steel pipe and tube products. The Water Transmission Group is the largest manufacturer of engineered steel pipe water conveyance systems in North America. With eight Water Transmission manufacturing facilities, the Group is positioned to meet North America's growing needs for water and wastewater infrastructure. The Water Transmission Group serves a wide range of markets and their solution-based products are a good fit for applications including: water transmission, plant piping, low pressure and gravity flow, energy, tunnels, river, railroad and highway crossings, large diameter pressure pipe rehabilitation, structural, and industrial. The Tubular Products Group operates a state-of-the-art electric resistance weld mill facility. The Tubular Products portfolio serves a wide range of markets and its quality certified pipe and tube products are good for applications including: oil and gas, structural, industrial, fire protection, low pressure and agricultural. The Company is headquartered in Vancouver, Washington and has manufacturing facilities in the United States and Mexico.

For more information, visit www.nwpipe.com.