Company: DTG
Filing Date: 2025-12-19
Form Type: 424B5
Source: 0001193125-25-326903
Chunk: 15

Company: DTE ENERGY CO
Filing Date: 2025-12-19
Form: 424B5
Chunk 15
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 the net proceeds from any sale of
borrowed shares of our common stock made in connection with any forward sale agreement. In addition, certain Managers, Forward Sellers and Forward Purchasers (or their respective affiliates) are lenders under our revolving credit agreement (as
defined herein) or may hold some of our or our subsidiaries’ outstanding commercial paper and therefore may receive part of the net proceeds of this offering in the event any of the net proceeds is used to repay borrowings under our revolving
credit agreement or any such commercial paper borrowings. See “Plan of Distribution (Conflicts of Interest)—Conflicts of Interest.”

S-12

MATERIAL U.S. FEDERAL INCOME TAX CONSIDERATIONS FOR NON-U.S.HOLDERS The following are the material U.S. federal income tax considerations of your ownership and disposition of our common stock if you are a “non-U.S. holder”that holds our common stock as a “capital asset” within the meaning of Section 1221 of the Internal Revenue Code of 1986, as amended (the “Code”). Subject to the exceptions set forth below, you are a non-U.S. holderif for U.S. federal income tax purposes you are a beneficial owner of our common stock and you are:

| • |     | a nonresident alien individual; |

| • |     | a foreign corporation; or |

| • |     | a foreign estate or trust. |

You are not a non-U.S. holder,however, if you are a nonresident alien individual who is present in the United States for a period or periods aggregating 183 days or more in the taxable year in which you sell (or otherwise transfer in a taxable disposition) any of our common stock and certain other requirements are met (as determined under the Code) or if you are a former citizen or former resident of the United States for U.S. federal income tax purposes, in which event you should consult your tax adviser regarding the U.S. federal income tax consequences of the ownership and disposition of our common stock. If you are a partner in a partnership for U.S. federal income tax purposes, the U.S. federal income tax treatment of a partner will generally depend on the status of the partner and the activities of the partnership. This discussion is based on the Code, administrative pronouncements, judicial decisions and final, temporary and proposed U.S. Treasury regulations as of the date hereof, changes to any of which, or any official interpretation thereof, subsequent to the date hereof may affect