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Cooper Product Index (CPI–3) Calculations
 

Mineral Oil Filled Cooper Power Systems Distribution Transformer Price Adjustment Index for Q2 2010 Price Component % Change from Year-End 06 Base Weighting (% of price content) Weighted Change in Material Aluminum 37.500% 5.00% 1.875% Carbon Steel 16.071% 4.90% 0.787% Copper 122.981% 2.50% 3.075% Core Steel -1.774% 23.80% -0.422% Dielectric Fluid -28.720% 8.40% -2.412% Energy Index 20.303% 7.29% 1.479% Other Materials, Labor, OH and Margin N/A 48.11% 0.000%   4.382%		FR3 Fluid Filled Cooper Power Systems Distribution Transformer Price Adjustment Index for Q2 2010 Price Component % Change from Year-End 06 Base Weighting (% of price content) Weighted Change in Material Aluminum 37.500% 5.00% 1.875% Carbon Steel 16.071% 4.90% 0.787% Copper 122.981% 2.50% 3.075% Core Steel -1.774% 23.80% -0.422% Dielectric Fluid 18.023% 8.40% 1.514% Energy Index 20.303% 7.29% 1.479% Other Materials, Labor, OH and Margin N/A 48.11% 0.000%   8.308%
Mineral Oil Filled Cooper Power Systems Voltage Regulator Price Adjustment Index for Q2 2010 Price Component % Change from Year-End 06 Base Weighting (% of price content) Weighted Change in Material Aluminum 37.500% 3.60% 1.350% Carbon Steel 16.071% 1.30% 0.209% Copper 122.981% 2.30% 2.829% Core Steel -1.774% 12.20% -0.216% Dielectric Fluid -28.720% 4.90% -1.407% Energy Index 20.303% 7.29% 1.479% Other Materials, Labor, OH and Margin N/A 68.41% 0.000%   4.244%		FR3 Fluid Filled Cooper Power Systems Voltage Regulator Price Adjustment Index for Q2 2010 Price Component % Change from Year-End 06 Base Weighting (% of price content) Weighted Change in Material Aluminum 37.500% 3.60% 1.350% Carbon Steel 16.071% 1.30% 0.209% Copper 122.981% 2.30% 2.829% Core Steel -1.774% 12.20% -0.216% Dielectric Fluid 18.023% 4.90% 0.883% Energy Index 20.303% 7.29% 1.479% Other Materials, Labor, OH and Margin N/A 68.41% 0.000%   6.534%