Northwest Pipe Licenses IronSpire to Facilitate Delivery and Supply Chain Management March 5, 2003 – Portland, OR – IronSpire, Inc., a leading provider of online collaboration solutions for the construction industry, announced today that Northwest Pipe Company, an Oregon-based material supplier with nearly $270 million in annual revenue, is a new licensee of the company’s IronSpire PrimeSite solution. PrimeSite is an enterprise software license that enables businesses to automate the collaboration processes between their supply chain partners. Using IronSpire’s collaboration platform, Northwest Pipe has developed an online web site for managing information flows between their customers, factories, and suppliers. With 24x7 access to designs, schedules, and requests, this supplier of custom-made products achieves quicker design approvals, better documentation for change-orders, and improved communication around delivery dates and their critical milestones. The measurable result is in higher customer service and better visibility for managing factory productivity. “We chose IronSpire because it provided all the basic functions we were looking for, plus the ability to easily customize the experience for Northwest’s business,” stated Brian Dunham, president and CEO of Northwest Pipe. “This will allow our customers and partners to come to our site to conduct their business with us. Everything’s seamless.” About Northwest Pipe Company Northwest Pipe Company (NASDAQ:NWPX) manufactures welded steel pipe in two business segments. Its Water Transmission Group is a leading supplier of large diameter, high-pressure steel pipe products that are used primarily for transmission of drinking water in the United States and Canada. Its Tubular Products Group manufactures smaller diameter steel pipe for a wide range of construction, agricultural, energy, industrial and mechanical applications. The company is headquartered in Portland, Oregon and operates eleven manufacturing facilities across the United States and Mexico. For more information visit www.nwpipe.com. About IronSpire, Incorporated IronSpire JobSite provides a collaborative application platform for managing the information flow of construction teams via 24x7 Web access to secure project sites. This collaboration application continues to extend its data management capabilities for information sharing between businesses in the construction supply chain and their applications, hosted internally or on other Web sites. New business processes that include workflows, documents, and report types are released on a regular basis. For more information, visit www.ironspire.com.