Material price changes from August 2007 to September 2007

Percent changes from August 2007 to September 2007/ September 2006 to September 2007

Gasoline – +4.7 / +21.5

No. 2 Diesel fuel — +4.6/ +22.3

Crude petroleum — +7.1/ +23.2

Plastic construction products — -0.3/ -1.9

Hardwood lumber — -0.8/ -1.7

Plywood — -0.3/ +8.5

Steel mill products — -1.2/ -3.7

Aluminum mill shapes — -2.2/ +1.9

Copper and brass mill shapes — -3.9/ +0.5

Fabricated structural metal products — 0/ +1.9

Cement — +0.3/ +4.0

Concrete products — +0.3/ +3.6

Asphalt felts and coatings — -1.8/ -3.2

Gypsum products — -1.5/ -21.6

Iron ore — 0/ -4.5

Iron and steel scrap — +4.9/ +21.2

Copper base scrap — -1.3/ +4.4

Construction sand, gravel, and crushed stone — +0.6/ +8.2

Construction machinery and equipment — -0.1/ +2.1

Tire, tube, thread, etc. — 0/ +2.1

Light motor trucks — -0.8/ +2.9

Heavy motor trucks — -0.1/ +5.5

Truck trailers — +0.3/ +2.6