Corporate Overview Presentation

December 10, 2002

Pavilion’s PEMS Certification Rate – 100%

lInitial Certification Tests

–Average Relative Accuracy (20% or less is goal):

•NOx – 6.4%, O2 – 4.9%

–Less than 7.5% Relative Accuracy

•NOx – 97 (66%), O2 – 105 (72%)

lOngoing Relative Accuracy Tests

–Average Relative Accuracy:

•NOx – 3.2%,O2 – 3.9%

–Less than 7.5% Relative Accuracy

•NOx – 132 (95%)

•O2 – 119 (86%)

–No failures

–Demonstrated as accurate as CEMS over tougher test