8,625,000 Shares OREGON STEEL MILLS, INC. Common Stock UNDERWRITING AGREEMENTUnderwriting Agreement • September 23rd, 2004 • Oregon Steel Mills Inc • Steel works, blast furnaces & rolling mills (coke ovens) • New York
CIBC World Markets Corp. UBS Securities LLC, as Representatives of the several Underwriters named in Schedule I hereto c/o CIBC World Markets Corp. 417 5th Avenue, 2nd Floor New York, New York 10016
