Investor Presentaiton

Electrical Products Industrial Solutions ZAZZ Infrastructure Solutions is a Portfolio of Diverse Businesses % Segment¹ # of Locations Enclosures 24% 3 Manufacturer of custom modular enclosures ("e-houses"), as well as relay panels ■ Integration of customer furnished equipment ■ Leading independent provider of 38kV switchgear ■ Padmount and Arc-Resistant Switchgear INVESTOR PRESENTATION Wa Control Centers Power Distr. Centers Data Centers Switchgear 22% 2 Emergency Mobile Substations Mining Medium Voltage High 13% 2 Bus Voltage Global leader in high-voltage SF6 gas insulated bus products ■ Voltage ranges from 115kV to 1,200kV Isolated Bus Duct System 1111111 Segregated Bus Duct Systems Non- Segregated. Bus Duct Systems Duct Medium ■ Innovative medium voltage bus duct products 4% 1 ■■Product line includes isolated phase duct, Voltage SF6 Gas Insulated Lines Cooling Units High- Current Contact segregated and non-segregated phase duct Tubular and Lighting 4% 2 ■ Harsh and Hazardous Duty Lighting manufacturer with 75 year history Oil Field Lighting Marine Lighting Full-Length Tubing ■Full length tubing as well as pup-joints Specialty Weld Overlay ■ Industry leading life extension and repair processes to address low cycle fatigue failure in coke drums and reactors Heater/ Water-wall Service Furnace Service Boiler Services 33% 5 World's largest installed base for the mitigation of fireside corrosion Turnaround driven business Service Pipe & Vessel Piping Service Coke Drum Repair 1. Proportion of Fiscal Year 2020 segment sales of $491mm pro forma for divestitures of NLI and SMS. See appendix for reconciliation to reported GAAP financials 11

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