Material price changes from February 2009 to March 2009

Percent changes from February 2009 to March 2009 / March 2008 to March 2009

Gasoline — -4.3 / -50.7

No. 2 Diesel fuel — -8.9 / -62.5

Crude petroleum — +30.0 / -59.3

Plastic construction products — 0.1 / +3.6

Hardwood lumber — -2.7 / -10.6

Plywood — -1.0 / -5.9

Steel mill products — -0.1 / -14.6

Aluminum mill shapes — -2.9 / -22.3

Copper and brass mill shapes — -0.8 / -37.0

Fabricated structural metal products — -0.8 / +4.6

Cement — 0.1 / -0.4

Concrete products — -0.9 / +3.6

Asphalt felts and coatings — +4.4 / +60.3

Gypsum products — -0.0 / +9.0

Iron ore — 0.0 / +14.0

Iron and steel scrap — -8.3 / -48.7

Copper base scrap — +7.4 / -54.0

Construction sand, gravel, and crushed stone — 0.0 / +6.1

Construction machinery and equipment — +0.4 / +5.1

Tire, tube, thread, etc. — -1.9 / +5.1

Light motor trucks — -0.8 / 3.6

Heavy motor trucks — -0.2 / +4.4

Truck trailers — 0.0 / +2.5