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NYSE: DUK Duke Energy CORP 424B5

Duke Energy prices $1.75B Corporate Units offering at $50/unit to refinance debt

Filed August 10, 2026 · ~3 min read

Key Changes

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    Duke Energy is offering 35 million Corporate Units at $50 each ($1.75 billion, or $2.0 billion with full overallotment). Each unit consists of a purchase contract to buy Duke common stock on August 1, 2029 for $50 cash, plus interests in two series of Remarketable Senior Notes (RSNs) maturing in 2032 and 2036.

    The Offering verify on EDGAR →
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    Net proceeds of $500 million will redeem $500 million of 3.25% Junior Subordinated Debentures due 2082, repay commercial paper (approximately $2.1 billion outstanding at 3.91% weighted average rate), and fund general corporate purposes. Proceeds from the 2029 purchase contract settlement will be used for general corporate purposes, not share repurchases.

    Use of Proceeds verify on EDGAR →
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    The number of Duke shares delivered at settlement depends on the stock price during a 20-day averaging period ending three days before August 1, 2029. If the stock is at or above a threshold appreciation price, holders receive the minimum settlement rate (fewest shares, capping upside). If the stock is between the threshold and reference price (approximately $124.85 the offering price), the settlement rate floats ($50 divided by the average stock price). If the stock is at or below the reference price, holders receive the maximum settlement rate (most shares).

    The Offering verify on EDGAR →

5 more material changes behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.

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Figures/quotes linked to EDGAR · Narrative written by AI · Aug 12, 2026 · How we verify