Material price changes from February 2007 to March 2007

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

Gasoline β€” +17.4/ +6.0

No. 2 Diesel fuel β€” +13.8/ +6.6

Crude petroleum β€” -1.3/ -7.5

Plastic construction products β€” -0.3/ -2.6

Hardwood lumber β€” -0.4/ -1.6

Plywood β€” +1.0/ -5.4

Steel mill products β€” +2.3/ +13.1

Aluminum mill shapes β€” +0.3/ +7.7

Copper and brass mill shapes β€” +1.7/ +25.5

Fabricated structural metal products β€” +0.4/ +5.1

Cement β€” +0.9/ +4.6

Concrete products β€” +0.8/ +5.3

Asphalt felts and coatings β€” +0.3/ +4.5

Gypsum products β€” 0/ -4.0

Iron ore β€” 0/ -5.9

Iron and steel scrap β€” +18.4/ +40.3

Copper base scrap β€” +8.2/ +27.5

Construction sand, gravel, and crushed stone β€” +0.4/ +9.5

Construction machinery and equipment β€” +0.2/ +2.2

Tire, tube, thread, etc. β€” +0.1/ +5.3

Light motor trucks β€” -1.1/ +0.2

Heavy motor trucks β€” 0/ +4.3

Truck trailers β€” +0.4/ +4.3