December 29, 2020

Rosemont, IL – December 29, 2020 – Wynnchurch Capital, L.P. (“Wynnchurch”) announced today that it has
acquired Huntington Foam, LLC (“Huntington” or the “Company”). Huntington is a leading manufacturer of
highly engineered, shape molded, expanded polystyrene (“EPS”), high and low-density expanded
polypropylene (“EPP”), and ARCEL (a polyethylene and EPS copolymer) products. The Company sells its
products to the appliance, cold chain, automotive and building products end markets from its seven
manufacturing facilities in the U.S. and Mexico. Huntington will unite under one platform with Drew Foam
Companies, Inc. (“Drew”), a Wynnchurch portfolio company.

Frank Hayes, Managing Partner at Wynnchurch, said, “Huntington is highly regarded across the industry as a
market leader in providing custom foam fabricating solutions to a wide range of end markets. The partnership
between Huntington and Drew will drive significant benefits for their respective customer bases.”

Paul Ciolino, Partner at Wynnchurch, said, “Just like Drew, Huntington has a track record of outstanding
quality, customer service, and technical expertise. The Company is truly a solutions provider to its customers,
and we look forward to continuing to build on that reputation.”

Wynnchurch Capital is actively seeking investment opportunities for its $2.277 billion Fund V. In September,
Wynnchurch made its first Fund V platform equity investment when it acquired Labrie Environmental Group,
a leading manufacturer of refuse collection vehicles across North America. Other recent Wynnchurch
investments include: Pennsylvania Machine Works, a fully integrated manufacturer of high pressure forged
fittings and branch connections; Western Forge & Flange, a leading manufacturer of high-quality, specialty
forgings and flanges; Clyde Industries, a leading designer and manufacturer of sootblowers, a critical
component within recovery, power, and steam boilers; and Eastern Metal Supply, a leading value-added
distributor of aluminum extrusions and related products.

About Huntington Foam, LLC:

Established in 1992, Huntington is a leading solutions provider of custom EPS, EPP and ARCEL product in
the U.S. and Mexico. The Company is one of few industry participants with the technological capability to
manufacture custom EPS, EPP, and ARCEL foam products. Huntington’s protective packaging products are
used in the shipping and handling of high value products across the appliance, cold chain and other
diversified markets. The Company also provides OEM parts for automotive and construction applications.
The Company is headquartered in Greer, South Carolina, and operates seven manufacturing facilities across
the U.S. and Mexico. For more information, please visit: https://www.hunt-sol.com.

About Drew Foam Companies, INC.:

Founded in 1965, Drew is a leading manufacturer of custom EPS block and shape molding products in the
Southeast U.S. The Company offers a diverse product offering, high level of customer service and a
differentiated just-in-time delivery model. The Company is headquartered in Monticello, Arkansas, and
operates manufacturing facilities in Tennessee, South Carolina and Georgia. For more information, please
visit: https://www.drewfoam.com.

About Wynnchurch Capital:

Wynnchurch Capital, L.P., headquartered in the Chicago suburb of Rosemont, Illinois, with offices in California
and Canada, was founded in 1999, and is a leading middle-market private equity investment firm.
Wynnchurch’s strategy is to partner with middle market companies in the United States and Canada that
possess the potential for substantial growth and profit improvement. Wynnchurch manages a number of private
equity funds with $4.2 billion of committed capital under management and specializes in recapitalizations,
growth capital, management buyouts, corporate carve-outs and restructurings. For more information, please
visit: https://www.wynnchurch.com.

For more information please contact:

Frank Hayes
Managing Partner
fhayes@wynnchurch.com
847-604-6100

Paul Ciolino
Partner
PCiolino@wynnchurch.com
847-604-6100

Erin Murphy
Managing Director
emurphy@wynnchurch.com
847-604-6100