Company: DTK
Filing Date: 2025-03-13
Form Type: DEF 14A
Source: 0000936340-25-000081
Chunk: 122

Company: DTE ENERGY CO
Filing Date: 2025-03-13
Form: DEF 14A
Chunk 122
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 Incentive Plan                                                                   |     | ☐ |     | For |     | ☐ |     | Against |     | ☐ |     | Abstain |
| Proposal 5.                                                                                                                                      |     | Vote on a shareholder proposal relating to elimination of the holding period for shares required to call a special shareholder meeting |     | ☐ |     | For |     | ☐ |     | Against |     | ☐ |     | Abstain |

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED AS DIRECTED. IF NO DIRECTION IS GIVEN, IT WILL BE VOTED AS THE BOARD RECOMMENDS, EXCEPT AS INDICATED ON THE REVERSE.

| Date |     |                                                                                                                                                                                                                                                                                                           |     |                     |
|      |     |                                                                                                                                                                                                                                                                                                           |     | Signature(s) in Box |
|      |     | Please sign exactly as your name(s) appears on your Proxy. If held in joint tenancy, all persons should sign. Trustees, administrators, etc., should include title and authority. Corporations should provide the full name of the corporation and the title of the authorized officer signing the Proxy. |     |                     |

#### 2025 ANNUAL MEETING OF SHAREHOLDERS
Dear Shareholder(s):

The Annual Meeting of Shareholders of DTE Energy Company will be held in virtual-only format on Thursday, May 8, 2025 at 8:00 a.m. (EDT).

To register for the virtual meeting along with voting your shares, please follow the instructions below:

• Visit www.proxydocs.com/dte on your smartphone, tablet or computer.

• As a shareholder, you will then be required to enter your control number which is located in the upper right-hand corner on the reverse side of this proxy card.

• After registering, you will receive a confirmation e-mail and an e-mail approximately 1 hour prior to the start of the meeting to the e-mail address you provided during registration with a unique link to the virtual meeting.

| Lisa A. Muschong                                       |
| Vice President, Corporate Secretary and Chief of Staff |

#### proxy
| DTE ENERGY COMPANY PROXY CARD AND VOTING INSTRUCTION FORMSOLICITED ON BEHALF OF THE BOARD OF DIRECTOR |

By signing on the other side, I (we) appoint JoAnn Chavez, Lisa A. Muschong and David Ruud, any or all of them, as proxies to vote my (our) shares of