Material price changes from March 2008 to April 2008

Percent changes from March 2008 to April 2008/ April 2007 to April 2008

Gasoline — +3.2/ +23.0

No. 2 Diesel fuel — +2.7/ +53.4

Crude petroleum — +4.5/ +87.4

Plastic construction products — -0.1/ +0.9

Hardwood lumber — -0.8/ -2.8

Plywood — +0.1/ +0.8

Steel mill products — +5.5/ +10.2

Aluminum mill shapes — +3.2/ +2.4

Copper and brass mill shapes — +0.4/ +4.0

Fabricated structural metal products — +3.1/ +7.1

Cement — -0.8/ -0.2

Concrete products — +1.3/ +3.4

Asphalt felts and coatings — +2.4/ +4.7

Gypsum products — +0.2/ -16.7

Iron ore — +8.1/ +12.6

Iron and steel scrap — +32.2/ +57.3

Copper base scrap — +7.8/ +8.3

Construction sand, gravel, and crushed stone — -0.4/ +6.5

Construction machinery and equipment — 0/ +3.2

Tire, tube, thread, etc. — -0.1/ +7.0

Light motor trucks — +0.3/ +1.6

Heavy motor trucks — +0.1/ +0.7

Truck trailers — +0.1/ +3.3