Investor Presentaiton

"Bleed" Emissions Patent Applicable only to U.S./Canada “near zero” application Control Technology 52 Expiration expected to increase competition for "near zero" solutions... 1970-80s technology / 0.5-1.0L One Day Parking India Japan - China Europe Brazil S. Korea ...But not direct impact on base pellet carbon 1990s technology / 2.0-3.0L • Multi-day parking & running loss • Plus refueling control US & Canada (current) China (July 2020) New patent coverage estimated to provide narrower protection for future, "near zero" engine designs Modern technology "Near Zero" 2.0-3.0L + scrubber U.S. & Canada (phase in 2017-2022) ingevity

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