Company: DTK
Filing Date: 2025-09-10
Form Type: 424B2
Source: 0001193125-25-199964
Chunk: 56

Company: DTE ENERGY CO
Filing Date: 2025-09-10
Form: 424B2
Chunk 56
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 lien or charge of any kind (including, without limitation, any conditional sale or other title retention agreement or lease in the nature thereof or any agreement to give any security interest). “Secured Debt”means Debt created, issued, incurred or assumed by DTE Energy that is secured by a Lien upon any shares of stock of any Significant Subsidiary, as defined in Regulation S-Xof the rules and regulations under the Securities Act, whether owned at the date of the initial authentication and delivery of the debt securities of any series or thereafter acquired. Consolidation, Merger and Sale of Assets DTE Energy may, without the consent of the holders of the debt securities, consolidate or merge with or into, or convey, transfer or lease our properties and assets as an entirety or substantially as an entirety to, any 17

person or permit any person to consolidate with or merge into us or convey, transfer or lease its properties and assets substantially as an entirety to us, as long as:

| • |     | if DTE Energy merges into or consolidates with, or transfers its properties and assets as an entirety (or                                                                                                                      
 substantially as an entirety) to any person, such person is a corporation, partnership or trust, organized and validly existing under the laws of the United States of America, any state thereof or the District of Columbia; |

| • |     | any successor person (if not DTE Energy) assumes by supplemental indenture, the due and punctual payment of the                                                                                                                                        
 principal of, any premium and interest on and any additional amounts with respect to all the debt securities issued thereunder, and the performance of our obligations under the indenture and the debt securities issued thereunder, and provides for 
 conversion or exchange rights in accordance with the provisions of the debt securities of any series that are convertible or exchangeable into common stock or other securities;                                                                       |

| • |     | no event of default under the indenture has occurred and is continuing after giving effect to the transaction; |

| • |     | no event which, after notice or lapse of time or both, would become an event of default under the indenture has 
 occurred and is continuing after giving effect to the transaction; and                                          |

| • |     | certain other conditions are met. |

Upon any merger or consolidation described above or conveyance or transfer of the properties and assets of DTE Energy as or substantially as an entirety as described above, the successor person will succeed to DTE Energy’s obligations under the indenture and, except