Investor Presentaiton

19 (1) FCEBS proven to be competitive¹ Foothill Transit Authority FCEB vs. BEB Cost Comparison Foothill Transit Authority Greater Los Angeles Area, California Deploying full zero emission bus fleet >300 buses planned by 2030 FCEB fleet >20% lower cost than BEB for longer range routes Only require 23 FCEBS vs. 34 BEBS to satisfy its specified route due to range restriction of BEBS → reducing capital costs by ~15% Fueling/charging infrastructure capital costs ~60% cheaper for FCEB vs. BEBS Mid-life replacement costs ~85% cheaper for FCEBS compared to BEBS ~20% lower life-cycle cost 23 FCEBS 34 BEBs ■Bus Capital 1 See Slide Notes ■Fuel Infrastructure Capital 12 Year Fuel 12 Year PMI Mid-life Maintenance BALLARD™

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