Company: DTK
Filing Date: 2025-04-04
Form Type: S-3ASR
Source: 0001193125-25-073369
Chunk: 44

Company: DTE ENERGY CO
Filing Date: 2025-04-04
Form: S-3ASR
Chunk 44
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, N.A., as successor trustee, as amended and supplemented by various supplemental indentures and as to be further
amended and supplemented by one or more supplemental indentures creating the mortgage bonds, which we refer to collectively as the “mortgage.” We refer to The Bank of New York Mellon Trust Company, N.A., or any successor or additional
trustee, in its capacity as trustee under the mortgage, as the “mortgage trustee” for purposes of this section.

We will issue
the debt securities, other than the mortgage bonds, under an indenture, dated as of June 30, 1993, as supplemented, and supplemental indentures creating each applicable series of debt securities, which we refer to collectively as the
“indenture,” between DTE Electric and The Bank of New York Mellon Trust Company, N.A., as successor trustee. We refer to The Bank of New York Mellon Trust Company, N.A., or any successor or additional trustee, in its capacity as
trustee under the indenture, as the “indenture trustee” for purposes of this section. Each series of secured debt securities will be secured as to payment of principal, interest and premium, if any, by mortgage bonds.

The indenture does not limit the amount of debt securities we may issue under it, and it provides that additional debt securities of any
series may be issued up to the aggregate principal amount that we may authorize from time to time. As of December 31, 2024, approximately $1.0 billion aggregate principal amount of debt securities were issued and outstanding under the
indenture, of which approximately $59 million were issued in connection with the security arrangements for the insurance applicable to industrial development revenue bonds.

As of December 31, 2024, approximately $11.3 billion aggregate principal amount of mortgage bonds were issued and outstanding under
the mortgage. At the date of this prospectus, since December 31, 2024, the Company has redeemed $350 million of mortgage bonds under the indenture. Of these outstanding mortgage bonds, $1.0 billion aggregate principal amount were
issued as security for our debt securities and are subject to the release provisions described below under “— Provisions Applicable to All Debt Securities Other Than Mortgage Bonds — Security; Pledge of Mortgage
Bonds — Release Date.”

The following summaries set forth certain general terms and provisions of the debt securities to
which any prospectus supplement may relate. Because the descriptions of provisions of the indenture and the mortgage below are summaries