b'Air Quality EPEs carbon emissions continue to fall below the national average for the utility sector and, among the top 100 power producers in the United States, EPE continues to rank 1in the best performing quartile for both COemission 2rate and total COemissions from all generating sources. 2Over the past year, continued load growth contributed to a slight increase in carbon emissions while criteria pollutant emissions remain relatively level. In 2019, EPE generated nearly 160,000 more MWh from local natural gas generation resources than the prior year. We look forward to the addition of significant renewable resources to our system in the 2022 - 2023 timeframes when we expect to realize meaningful reductions to move us forward to achieving our carbon reduction goals. 1 M. J. Bradley & Associates (2019). Benchmarking Air Emissions of the 100 Largest Electric Power Producers in the United States.CO 2e 1 EMISSIONS (METRIC TONS)Source 2017 2018 2019Direct Emissions from2,206,463 2,730,085 2,791,568Stationary Combustion UnitsDirect Emissions from4,461 4,577 4,435Mobile CombustionDirect Emissions from3,749 1,996 32,013Electric T&DDirect Emissions from2,235 2,766 2,766Natural Gas FugitivesIndirect Emissions from30,310 21,166 20,711Energy Purchased Total COEmissions 2,247,218 2,760,590 2,851,4932e1 COis comprised of carbon dioxide (CO ), methane (CH ), nitrous oxide (N O), and sulfur hexafluoride (SF )2e 2 4 2 6EPE AIR QUALITY SCORECARD (SHORT TONS) 1Parameter 2017 2018 2019Nitrogen Oxides (NOx) 2,939 2,893 2,780Carbon Monoxide (CO) 528 585 608Particulate Matter (PM) 195 234 232Sulfur Dioxide (SO ) 12 15 1621 Criteria pollutant totals are for local generation only (natural gas)11Environmental Stewardship'