Investor Presentaiton

Area Sources - Solvents Mexico-specific emission factors from MNEI - - Architectural surface coating Industrial surface coating Autobody refinishing Graphic arts Adjustment of consumer solvents - - Aftermarket automotive adjustment factor of 0.116 Household cleaning products adjustment factor of 0.25 Dry cleaning - Interviews with 2 out of 5 dry cleaners, including largest one PEMEX gasoline stations ERG Gasoline quantities not provided, but station locations identified 11

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