Duke Energy : 09/26/2018 - Duke Energy Fall Update

DUKE ENERGY

FALL UPDATE 2018

Safe Harbor statement

This presentation includes forward-looking statements within the meaning of the federal securities laws. Actual results could differ materially from such forward-looking statements. The factors that could cause actual results to differ are discussed in the Appendix herein and in Duke Energy's SEC filings, available atwww.sec.gov.

Regulation G disclosure

In addition, today's discussion includes certain non-GAAP financial measures as defined under SEC Regulation G. A reconciliation of those measures to the most directly comparable GAAP measures is available in the Appendix herein and on our Investor Relations website atwww.duke-energy.com/investors/.

A SOLID LONG-TERM HOLDING

CONSTRUCTIVE JURISDICTIONS, LOW-RISK REGULATED

INVESTMENTS AND BALANCE SHEET STRENGTH

• (1) As of September 21, 2018

• (2) 4-6% dividend growth subject to approval by the Board of Directors

• (3) Total shareholder return proposition at a constant P/E ratio

• (4) As most recently affirmed in the 2Q2018 Earnings Review on August 2, 2018; and based on adjusted diluted EPS off the midpoint of the original 2017 guidance range of $4.50-$4.70

REAFFIRMING LONG TERM GROWTH CAGR OF 4-6%THROUGH 2022 OFF OF

MIDPOINT OF ORIGINAL 2017

GUIDANCE RANGE ($4.60)

2019

EXPECT LOW END OF THE GROWTH CAGR RANGE OFF OF $4.60

2020 AND BEYOND

EXPECT MID TO HIGH END OF THE GROWTH CAGR RANGE OFF OF $4.60

• (1) As most recently affirmed on the 2Q 2018 Earnings Review on August 2, 2018

(2)Based on adjusted diluted EPS

$4.55

6% CAGR

4% CAGR

2017 Original Guidance Midpoint(2)

2018 Guidance Range(2)

2019

2020

2021

2022