DTE Energy Company engages in the utility operations. The company's Electric segment generates, purchases, distributes, and sells electricity to approximately 2.3 million residential, commercial, and industrial customers in southeastern Michigan. It generates electricity through fossil-fuel, hydroelectric pumped storage, and nuclear plants, as well as wind and other renewable assets. This segment owns and operates approximately 698 distribution substations and 449,800 line transformers. The company's Gas segment purchases, stores, transports, distributes, and sells natural gas to approximately 1.3 million residential, commercial, and industrial customers throughout Michigan; and sells storage and transportation capacity. This segment has approximately 20,000 miles of distribution mains; 1,304,000 service pipelines; and 1,305,000 active meters, as well as owns approximately 2,000 miles of transmission pipelines. The company's Power and Industrial Projects segment offers metallurgical coke; pulverized coal and petroleum coke to the steel, pulp and paper, and other industries; and power, steam and chilled water production, and wastewater treatment services, as well as supplies compressed air to industrial customers. Its Energy Trading segment engages in power, natural gas, and environmental marketing and trading; structured transactions; and the optimization of contracted natural gas pipeline transportation and storage positions. The company was founded in 1903 and is headquartered in Detroit, Michigan.

DTE Energy Company

Initial Statement of Beneficial Ownership

Insider	Title	Transaction Type	Shares Traded	% of Shares Traded	% Chg. in Shares	End of Filing Shares	Price	Transaction Value	Filing Date	Transaction Date
Lisa A. Muschong	VP, Corporate Secretary & Chief of Staff Show All	Other Acquisition (Other Acquisition)	1.9K	0.000899%	42.6%	6.3K	—	—	10 Nov 2025	03 Nov 2025 - 03 Nov 2025
Gary Howard Torgow	Independent Director Show All	Other Derivative Acquisition (Other Derivative Acquisition)	250.0	—	4.0%	6.4K	—	—	02 Oct 2025	01 Oct 2025 - 01 Oct 2025
David Allen Brandon	Independent Director Show All	Other Derivative Acquisition (Other Derivative Acquisition)	175.0	—	1.1%	15.9K	—	—	02 Oct 2025	01 Oct 2025 - 01 Oct 2025
Joi M. Harris	President, CEO & Director Show All	Other Acquisition (Other Acquisition)	7.4K	0.003575%	24.3%	38.0K	—	—	09 Sep 2025	08 Sep 2025 - 08 Sep 2025
David S. Ruud	Vice Chairman & CFO Show All	Other Acquisition (Other Acquisition)	7.4K	0.003575%	8.3%	97.2K	—	—	09 Sep 2025	08 Sep 2025 - 08 Sep 2025
Gerardo Norcia
Lisa A. Muschong
Gary Howard Torgow
David Allen Brandon
Diane M. Antishin
Kathrine M. Lorenz	—
Deborah L. Byers
Nicholas K. Akins
David Anthony Thomas
Charles G. McClure
Cassandra Santos
Mark A. Murray
Gail J. McGovern
Gary Howard Torgow
Robert C. Skaggs
Valerie M. Williams
David Allen Brandon
James H. Vandenberghe
Gail J. McGovern
Nicholas K. Akins
Nicholas K. Akins
David Anthony Thomas
Mark A. Murray
Charles G. McClure
David Allen Brandon