Our non-utility gas businesses, DTE Gas Storage and DTE Pipeline, own and manage a network of natural gas storage
facilities and transmission pipelines serving the Midwest, Ontario and Northeast markets. We are one of the leading owners
of gas storage nationwide.

Our assets include:

• Ownership interest in the Vector Pipeline, which connects Michigan to the Chicago and Dawn, Ontario market centers
• Ownership interest in the Millennium Pipeline, serving markets in the northeast, including New York City
• Own and operate 89 Bcf of natural gas storage capacity in Michigan at the Washington 10 storage facility.
• Through our MichCon subsidiary, we offer a range of gathering, storage and transportation services for the Michigan market.

The chart below provides an overview of DTE Energy's wide range of natural gas services.

Click the subsidiary name to navigate to its Web site.