Kaiser Aluminum's Trentwood Facility Receives Large Manufacturer of the Year Award

FOOTHILL RANCH, Calif.--(BUSINESS WIRE)--Kaiser Aluminum Corporation (NASDAQ:KALU - News) today announced that its Trentwood rolling mill facility, located in Spokane, Wash., was awarded the Association of Washington Business’s 2009 Large Manufacturer of the Year Award. This annual award honors members for their innovation in manufacturing contributions to their communities, and commitments to their employees all while creating a business model of manufacturing excellence. All nominees are judged on the following four key criteria: Financial and Economic Impact Productivity and Quality Improvement Corporate Responsibility Workforce Excellence “We are pleased to receive this prestigious award,” said Jack A. Hockema, President, CEO and Chairman of Kaiser Aluminum. “The award recognizes our outstanding workforce, culture of continuous improvement, and commitment to provide ‘Best in Class’ customer satisfaction. Further, this honor reflects Kaiser Aluminum’s core values: to be a preferred supplier, customer, employer and valued member of our communities.” The Association of Washington Business (AWB) is Washington’s oldest and largest statewide business association. Nominations for the Manufacturer of the Year award are solicited from AWB’s 6,500+ members and chambers of commerce from around the state. There are two categories for entry: Large manufacturers with more than 500 employees and small manufacturers with fewer than 500 employees. There are more than 7,500 manufacturers in the state of Washington. Kaiser Aluminum, headquartered in Foothill Ranch, Calif., is a leading producer of fabricated aluminum products, serving customers worldwide with highly-engineered solutions for aerospace and high-strength, general engineering, and custom automotive and industrial applications. The company's North American facilities annually produce more than 500 million pounds of value-added sheet, plate, extrusions, forgings, rod, bar and tube products, adhering to traditions of quality, innovation and service that have been key components of our culture since the company was founded in 1946. The company's stock is included in the Russell 2000® index. For more information, please visit www.kaiseraluminum.com. Contact: Investor Relations Contact: Kaiser Aluminum Melinda C. Ellsworth, 949-614-1757 or Public Relations Contact: Fleishman-Hillard Geoff Mordock, 323-762-1818