Investor Presentaiton

Thermal Acoustical Solutions (TAS) at a Glance Business Highlights ✓ Highly engineered solutions to address demanding thermal, acoustical, and electromagnetic interference Financial Performance¹ ($M) $342 $365 $362 $321 $298 $295 ✓ Leverage strong customer relationships and experience to succeed in the 20% 20% 19% 13% 10% 4% transition to xEV platforms globally ✓ Growth aligned with secular trends toward vehicle light-weighting, transition to xEV and regulatory requirements ✓ Vertical integration of fibers and insulation material to capture value ✓ Sole source awards with global OEMs on platforms drives long term sales. Lydall 2015 2016 2017 Revenue 2018 2019 2020 -Adj. EBITDA Margin Estimated Share of Segment Served Heat Shield (Global)² 12% $2.1B Acoustical (U.S.)³ 10% 28% 2020 Sales by Region 6% $295M ■ North America ■ ЕМЕА 66% ■ Asia Light Vehicle Customers GM NISSAN TI Automotive - JOHN DEERE Heavy Truck/Other CATERPILLAR PAULSTRA Ford 长城汽车 MAHLE PACCAR Walters RENAULT TOYOTA MITSUBISHI $1.4B KKAUTEX BOSCH Peterbilt KENWORTH Mercedes-Benz Volkswagen FORSCHE VOLVO CHRYSLER H Garrett Mack POLARIS DAIMLER HONDA ADVANCING HOTION VOLVO TRUCKS 1 Reference Appendix for reconciliation between adjusted and GAAP financials; 2 Competitors: ElringKlinger, Federal Mogul, Dana, and Autoneum; 3 Competitors: Autoneum, Borgers, HP Pelzer Group, and IAC. USE OR DISCLOSURE OF INFORMATION CONTAINED ON THIS SHEET IS SUBJECT TO THE RESTRICTIONS ON THE TITLE SLIDE 11

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