Investor Presentaiton

Regulatory Changes Driving Growth Major countries/regions promulgated; new regulations under evaluation Region / Regulation 2016 Vehicle 2017 2018 2019 2020 2021 2022 Sales (M)(5) US(1) & Canada (2) / Tier 3 18.6 40%(1) 60%(1) 60%(1) 80%(1) 80%(1) 100%(1) China(3) Tier 2 Potential early 25.1 100%(3) 100%(3) adoption (3,5) Europe (4) Multi-day 8.4 Potential early adoption (4,5) 100%(4) 100%(4) 100%(4) South Korea (6) / Tier 3 1.5 30%(6) 30%(6) 80%(6) 80%(6) 100% (6) Brazil(5) Tier 2 1.9 Potential (5) Japan (5) Multi-Day 4.6 Potential (5) (1) US GPO http://www.ecfr.gov (2) Canada Justice Laws http://laws-lois.justice.gc.ca (3) China 6 regulation (4) Euro 6c regulation (5) Ingevity management estimate based on company information, IHS, and regulatory discussions in specific country/region (6) S. Korea regulation, modified U.S. Tier 3 without ORVR (refueling) 55 ingevity

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