Material price changes from January 2007 to February 2007

Percent changes from January 2007 to February 2007/ February 2006 to February 2007

Gasoline β€” +5.1/ +4.9

No. 2 Diesel fuel β€” -0.7/ -6.8

Crude petroleum β€” +6.4/ -2.1

Plastic construction products β€” +0.3/ -2.9

Hardwood lumber β€” -0.5/ -1.2

Plywood β€” +0.5/ -6.0

Steel mill products β€” +1.4/ +10.8

Aluminum mill shapes β€” +0.5/ +9.5

Copper and brass mill shapes β€” -4.5/ +23.5

Fabricated structural metal products β€” +0.1/ +4.9

Cement β€” -0.8/ -5.8

Concrete products β€” +0.5/ +4.8

Asphalt felts and coatings β€” -1.1/ +0.8

Gypsum products β€” -2.4/ -2.6

Iron ore β€” 0/ +1.4

Iron and steel scrap β€” +10.8/ +20.2

Copper base scrap β€” -1.6/ +21.2

Construction sand, gravel, and crushed stone β€” +1.9/ +9.7

Construction machinery and equipment β€” +0.6/ +2.5

Tire, tube, thread, etc. β€” +0.2/ +5.6

Light motor trucks β€” +1.0/ +1.0

Heavy motor trucks β€” 0/ +4.5

Truck trailers β€” 0/ +4.0