Material price changes from November 2007 to December 2007

Percent changes from November 2007 to December 2007/ December 2006 to December 2007

Gasoline — -8.0/+37.1

No. 2 Diesel fuel — -8.4/ +33.9

Crude petroleum — -2.4/+52.4

Plastic construction products — +0.6/ +0.3

Hardwood lumber — -1.1/ -3.3

Plywood — -0.1/ +7.2

Steel mill products — +0.8/ +1.0

Aluminum mill shapes — -0.2/ -1.7

Copper and brass mill shapes — -4.4/ -3.8

Fabricated structural metal products — +0.5/ +2.6

Cement — 0/ +3.3

Concrete products — +0.1/ +3.3

Asphalt felts and coatings — +0.8/ -2.5

Gypsum products — -0.9/ -22.2

Iron ore — 0/ +1.3

Iron and steel scrap — +5.3/ +30.4

Copper base scrap — -3.7/ +1.2

Construction sand, gravel, and crushed stone — +0.4/ +8.6

Construction machinery and equipment — 0/ +2.2

Tire, tube, thread, etc. — +0.2/ +2.6

Light motor trucks — -1.3/ -0.9

Heavy motor trucks — 0/ +2.9

Truck trailers — +0.1/ +2.3