Advent Investor Day Presentation Deck

Stationary Power Systems INSAGY G Telecom Tower Backup Power ● ● 1.18 million towers globally need backup power Growth in number and power needs (due to 5G deployments) License to Operate: Government mandates & ESG agendas of Telecom companies expected to result in the replacement of diesel generators CAGR [%] -0.1 Total number of off-grid and bad-grid towers Off-grid Towers Bad-grid Towers 7.6 7.4 7.2 7 6.8 6.6 6.4 6.2 6 791,000 389,600 0.1 2020 Market share and growth by generator size x 15kW = 18GW Up to 5 kW el 5 to 10 kW el 0.2 0.3 Market Share 10 to 15 kW el 0.4 15 to 20 kW el 0.5 0.6 LO 5

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