Investor Presentation

Our performance at Gulf Power demonstrates how our playbook can improve customer value and deliver better returns for shareholders Gulf Power Three-Year Execution Summary Operational Cost Effectiveness (1) ($/Retail MWh) Service Reliability (2) (Minutes) ~$32 Good 2018 ~101 Good ~40% Reduction ~$20 2021 Regulatory Capital Employed (3) ($ B) ~$4.7 -$3.0 ~16% CAGR 2018 -60% Improvement ~43 Net Income ($ MM) 2021 $271 $160 -19% CAGR 2018 2021 1) GAAP O&M per retail MWh 2 System Average Interruption Duration Index 23 2018 13-month average; includes retail rate base, wholesale rate base, clause-related investments and AFUDC projects; excludes accumulated deferred income taxes 2021 NEXTera® ENERGY

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