CALPORTLAND COMPANY ACCEPTS 2012 ENERGY STAR® SUSTAINED EXCELLENCE AWARD

Glendora, CA, March 21, 2012 — CalPortland Company has accepted the 2012 ENERGY STAR® Sustained Excellence Award from the U.S. Environmental Protection Agency (EPA) in recognition of its continued leadership in protecting our environment through energy efficiency. CalPortland’s accomplishments were recognized at the official ceremony in Washington, D.C. on March 15, 2012 where Jean Lupinacci, Chief, ENERGY STAR® Commercial and Industrial Branch presented the 2012 ENERGY STAR® Sustained Excellence Award to Allen Hamblen, President/CEO CalPortland Company, and the CalPortland Energy