The company said it completed the sale of $600,000,000 aggregate principal amount of its September 17, 2025 2025 Series H 6.25% Junior Subordinated Debentures due 2085.

8-KOther EventsFiled Sep 17, 2025Period of report Sep 17, 2025Summary published (UTC) Oct 13, 2026

Key points

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The company said it completed the sale of $600,000,000 aggregate principal amount of its September 17, 2025 2025 Series H 6.25% Junior Subordinated Debentures due 2085.
The company said the Debentures were registered under the Securities Act of 1933 pursuant to shelf registration statement on Form S-3 (File No. 333-286383).
DTE Energy said the Debentures are being issued under the Amended and Restated Indenture dated as of April 9, 2001, between DTE Energy and The Bank of New York Mellon Trust Company, N.A., as successor trustee, as supplemented by a Supplemental Indenture dated as of September 15, 2025.
The company said the 8-K was filed to report as exhibits documents related to the sale of the Debentures. The exhibits include the Supplemental Indenture, an opinion from its Chief Legal Officer and an opinion from Hunton Andrews Kurth LLP on tax matters.

Summary

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Analysis scope · Filing bodyWe analyzed the filing body and confirmed exhibits. This is not a review of other exhibits, investor presentations or the full earnings call.

DTE Energy Completes $600,000,000 Series H Junior Subordinated Debenture Sale in 2025

The company said it completed the sale of $600,000,000 aggregate principal amount of its September 17, 2025 2025 Series H 6.25% Junior Subordinated Debentures due 2085.

Source · Based on the filing body and exhibits

Securities Act Registration Under Form S-3 Shelf Filing

The company said the Debentures were registered under the Securities Act of 1933 pursuant to shelf registration statement on Form S-3 (File No. 333-286383).

Source · Based on the filing body and exhibits

Existing Indenture and September 15, 2025 Supplemental Indenture

DTE Energy said the Debentures are being issued under the Amended and Restated Indenture dated as of April 9, 2001, between DTE Energy and The Bank of New York Mellon Trust Company, N.A., as successor trustee, as supplemented by a Supplemental Indenture dated as of September 15, 2025.

Source · Based on the filing body and exhibits

Purpose of 8-K Filing and Attached Documents

The company said the 8-K was filed to report as exhibits documents related to the sale of the Debentures. The exhibits include the Supplemental Indenture, an opinion from its Chief Legal Officer and an opinion from Hunton Andrews Kurth LLP on tax matters.

Source · Based on the filing body and exhibits

AI summarized the filing and translated the summary into English; it may differ from the original. For reference only, not investment advice. AI translated the published Korean report into English. Figures are copied as filed, not recalculated.

Original filing

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