Investor Presentaiton

Technical Nonwovens (TNW) at a Glance Business Highlights ✓ Global brands renowned for quality and innovation <>GUTSCHE Texel Textile Engineering TECHNICAL MATERIALS, INC. ($M) Financial Performance¹ ✓ Manufacturing scale and operational resiliency to address diversified end markets and geographic demand trends ✓ Deep expertise in technical needle-woven felt fabrics to address demanding filtration media for industrial dust and pollution control ✓ Extension of core capability to address adjacent markets for medical, acoustical, heat, and safety applications Lydall 2020 Sales by Region $269 $277 $255 $222 10% $139 $156 ■ North America 13% 16% 15% 14% 14% 14% 29% $222M 60% ■ EMEA ■ Asia 2015 2016 2017 2018 2019 2020 Revenue -Adj. EBITDA Margin Estimated Share of Segment Served 2020 Sales by Application Industrial Filtration² Advanced Materials³ ■Industrial Filtration 5% 46% $222M 54% 20% ■ Advanced Materials $0.7B $2.7B 1 Reference Appendix for reconciliation between adjusted and GAAP financials; 2 Competitors: BWF Envirotec, Savings, and Testori; 3 Competitors: Propex, TexTech, TenCate, and Sandler. USE OR DISCLOSURE OF INFORMATION CONTAINED ON THIS SHEET IS SUBJECT TO THE RESTRICTIONS ON THE TITLE SLIDE 10

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