Ingevity Expands Relationship with TRiiSO

Ingevity extends partnership with TRiiSO, LLC, expands Capa® distribution
footprint for customers in the United States and Canada

NORTH CHARLESTON, S.C., Nov. 28, 2023 – Ingevity Corporation (NYSE:NGVT) today
announced an extension of the distributorship with TRiiSO LLC (TRiiSO) to expand the
distribution footprint for the company’s Capa® products from the current western
United States (U.S.) to include all the U.S. and Canada. The new agreement will broaden
capabilities to serve existing Capa customers and support growth into new markets in
North America.

“Growing our partnership will allow for wider adoption of Ingevity’s Capa technology
and improved support for existing and new applications,” said Ingevity senior vice
president and president, Advanced Polymer Technologies, Steve Hulme. “Leveraging
TRiiSO’s nationwide reach and 50-year track record of supplying the coatings,
adhesives, sealants and elastomers (CASE) market strengthens our commitment to
providing current and future customers with innovative products and best in class
technical and customer service.”

“Ingevity’s focus on providing solutions to difficult formulating challenges aligns well
with TRiiSO’s technical support strengths,” said TRiiSO, vice president, Principal
Management, Mark McBee. “We are excited to expand our business footprint with
Ingevity throughout North America for the benefit of our existing and new customers
interested in high performance specialty polyols.”

The new distributorship agreement will take effect as of December 25, 2023.

Ingevity: Purify, Protect and Enhance

Ingevity provides products and technologies that purify, protect and enhance the world
around us. Through a team of talented and experienced people, we develop,
manufacture and bring to market solutions that help customers solve complex
problems and make the world more sustainable. We operate in three reporting

segments: Performance Chemicals, which includes specialty chemicals and pavement
technologies; Advanced Polymer Technologies, which includes biodegradable plastics
and polyurethane materials; and Performance Materials, which includes activated
carbon. Our products are used in in a variety of demanding applications, including
adhesives, agrochemicals, asphalt paving, bioplastics, coatings, elastomers, lubricants,
pavement markings, publication inks, oil exploration and production and automotive
components. Headquartered in North Charleston, South Carolina, Ingevity operates
from 31 countries around the world and employs approximately 1,900 people. The
company’s common stock is traded on the New York Stock Exchange (NYSE:NGVT). For
more information visit www.ingevity.com. Follow Ingevity on LinkedIn.