Fourth Quarter 2023 Earnings Review and Business Update

2024 Financial outlook - adjusted EPS waterfall $5.56 2023 Adjusted EPS DUKE Electric Utilities & Infrastructure $0.78 Gas Utilities & Infrastructure $0.07 Other ($0.43) Normal weather ▲ Customer growth and economic development ▲ North Carolina & Florida MYRPS ▲ South Carolina & Kentucky rate cases ▲ Midwest & FL riders Interest expense D&A and property taxes Rate cases and riders Customer growth Interest expense D&A and property taxes ENERGY. FOURTH QUARTER 2023 EARNINGS REVIEW AND BUSINESS UPDATE Interest expense Higher effective tax rate $5.98 Midpoint 2024 Adjusted EPS Guidance Range of $5.85 - $6.10 // 9

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