Effective August 15, 2011, The Dow Chemical Company will increase the selling price
on Dow Building Solutions products:
Dow STYROFOAM™ Extruded Polystyrene Insulations 8%
Dow High Performance Underlayment and Protection Board (Fanfold)12%
WEATHERMATE™ Basic Housewrap 9%
WEATHERMATE™ Plus Housewrap 5%

See attachment for more details.