Company: DTK
Filing Date: 2025-09-09
Form Type: 424B5
Source: 0001193125-25-198859
Chunk: 9

Company: DTE ENERGY CO
Filing Date: 2025-09-09
Form: 424B5
Chunk 9
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 date of issuance, price to public and, in some circumstances, interest accrual dates) as the notes of such series, without the consent of the
holders of such notes. Any such additional notes will, together with the existing notes of that series, constitute a single series of debt securities under the indenture; provided that if any such additional notes are not fungible for U.S. federal
income tax purposes with the applicable notes of such series offered hereby, such notes will be issued under a separate CUSIP number.

We
will issue the notes in the form of one or more fully registered global notes registered in the name of Cede & Co., as The Depository Trust Company’s (“DTC”) nominee. Beneficial interests in the notes will be represented
through book-entry accounts of financial institutions acting on behalf of beneficial owners as direct and indirect participants in DTC. Clearstream Banking S.A. and Euroclear Bank SA/ NV, as operator of the Euroclear System, will hold interests on
behalf of their participants through their respective U.S. depositaries, which in turn will hold such interests in accounts as participants of DTC. Except in the limited circumstances described in this prospectus supplement, owners of beneficial
interests in the notes will not be entitled to have notes registered in their names, will not receive or be entitled to receive notes in definitive form and will not be considered holders of notes under the indenture. See “Book-Entry
Securities” below and in the accompanying prospectus.

The notes will be issued only in minimum denominations of $2,000 and integral
multiples of $1,000 in excess thereof.

S-9

Ranking The notes will be our unsecured and unsubordinated obligations and will rank on a parity in right of payment with all of our other unsecured and unsubordinated indebtedness from time to time outstanding, including amounts, if any, outstanding under our $1.5 billion revolving credit agreement as well as our guarantees of non-regulatedaffiliate obligations. The notes are our obligations exclusively, and are not the obligations of any of our subsidiaries. Because we are a holding company that conducts substantially all of our operations through our subsidiaries, the notes will be effectively subordinated to claims of creditors and preferred stockholders of those subsidiaries, including their trade creditors, debtholders, secured creditors, taxing authorities and guarantee holders, if any. At June 30, 2025, the total amount of DTE Energy’s outstanding unsecured and unsubordinated indebtedness