The TAMCO steel mill located at 12459 Arrow Highway in Rancho Cucamonga, California, emits lead and cadmium into the ambient air. Persons within the approximate lightly-shaded area shown below are exposed to lead, and persons within the darker shaded area are exposed to both lead and cadmium, through ambient air at levels determined by the State of California to require a Proposition 65 warning. Lead is a chemical known to the State of California to cause cancer and to cause birth defects or other reproductive harm. Cadmium is a chemical known to the State of California to cause cancer.

Please address any questions concerning this warning to:

Community Information Line

TAMCO

PO Box 325

Rancho Cucamonga, CA 91739

www.tamcosteel.com

Appeared in the Inland Valley Daily Bulletin June 1, 2009.