-- Secured agreement to power Google's new data center in Michigan 
 
   -- Continued progress improving reliability and accelerating the transition 
      to cleaner energy generation 
 
   -- Invested $400 million in electric distribution infrastructure to advance 
      reliability improvements for customers 
 
   -- Experienced 60% fewer outages compared to similar historical weather 
      events in the first quarter; 99% of affected customers had power restored 
      in less than 48 hours 
 
   -- Marked 10 years of empowering Michigan small businesses with energy 
      efficiency grants 
 
   -- Earned honors as a great place to work 

DETROIT, April 30, 2026 /PRNewswire/ -- DTE Energy $(DTE)$ reported today that it has invested more than $1.2 billion in its utilities during the first quarter of 2026 and remains on pace to invest over $6 billion this year. These strategic investments are strengthening electric reliability, expanding clean energy resources, and ensuring the safety and dependability of DTE's natural gas services, all while keeping energy costs as affordable as possible for customers.

The company also reported first quarter earnings of $247 million or $1.19 per diluted share, compared with $445 million, or $2.14 per diluted share in 2025. Operating earnings for the first quarter of 2026 were $407 million, or $1.95 per diluted share, compared with 2025 operating earnings of $436 million, or $2.10 per diluted share. Operating earnings exclude non-recurring items, certain mark-to-market adjustments and discontinued operations. Reconciliations of reported earnings to operating earnings are included at the end of this news release.

"At DTE, providing safe, reliable and affordable energy to our customers is our highest priority," said Joi Harris, DTE Energy's president and CEO. "Our dedicated team is focused on modernizing our infrastructure and expanding our clean energy resources to deliver more dependable, sustainable and cost-effective energy solutions that are essential to our customers' everyday lives. As Michigan attracts new growth, including major investments like data centers, we are proud to support these opportunities to fuel Michigan's economy and ensure our customers benefit from improved reliability and long-term affordability."

Harris noted the following accomplishments:

   -- Secured agreement to power Google's new data center in Michigan: In March, 
      DTE Energy submitted energy contracts to the Michigan Public Service 
      Commission (MPSC) to support Google's planned 1 gigawatt (GW) data center 
      in Van Buren Township. These contracts are structured to meet Google's 
      energy demands while safeguarding DTE's existing customers - ensuring 
      long-term affordability, maintaining reliable service, and advancing 
      clean energy initiatives. Under this agreement, Google will pay the full 
      cost of its energy usage, including all expenses related to new 
      generation, storage, transmission, and distribution needed for the data 
      center. By adding a large customer like Google, fixed grid costs are 
      shared across a wider customer base, which is expected to reduce pressure 
      on bills for existing customers -- generating nearly $1.7 billion in 
      affordability benefit over the life of the contract. 
 
   -- Invested in electric distribution infrastructure to advance reliability 
      improvements for customers: In the first quarter of 2026, DTE Electric 
      invested $400 million to continue improving the reliability and 
      resilience of the electric grid. The company's ongoing investments to 
      modernize the grid in recent years have contributed to customers 
      experiencing fewer power interruptions and faster restoration times. For 
      example, when severe winds swept through Michigan in March, DTE 
      experienced 60% fewer outages compared to similar historical events, and 
      99% of affected customers had their power restored in less than 48 hours. 
      These ongoing investments, supported by the Michigan Public Service 
      Commission's rate order in February, build on the company's commitment to 
      ensure customers experience fewer and shorter power disruptions. 
 
   -- Marked 10 years of empowering Michigan small businesses with energy 
      efficiency grants: On the 10th anniversary of the Energy Efficiency 
      Makeover contest, DTE awarded three Michigan small businesses $5,000 each 
      for energy efficiency improvements to help reduce energy costs and 
      support long-term efficiency benefits. Over the past decade, the contest 
      has awarded $150,000 to small business winners across the state. In 
      addition to the financial reward, each winner received a customized, 
      onsite energy assessment from a DTE energy advisor, including support 
      coordinating the installation of upgrades and business--specific energy 
      efficiency recommendations. 
 
   -- Earned honors as a great place to work including: 
 
          -- Gallup Exceptional Workplace for the 14th consecutive year, 
             placing DTE in the top 6% of companies globally 
 
          -- 2026 Best and Brightest Companies to Work For in the Nation 
 
          -- Metropolitan Detroit's 2026 Best and Brightest Companies to Work 
             For 

Outlook for 2026

DTE Energy confirms 2026 operating EPS guidance of $7.59 - $7.73.

"DTE is in a very exciting period, as we continue our customer-focused reliability investments and pursue opportunities like data centers that benefit existing customers," said David Ruud, DTE vice chairman and CFO. "As we move forward, we remain focused on managing operational costs and keeping bills as low as possible, creating lasting value for Michigan families, businesses and communities."

This earnings announcement and presentation slides are available at dteenergy.com/investors.

The company will conduct a conference call to discuss earnings results at 9:00 a.m. ET. Investors, the news media and the public may listen to a live internet broadcast of the call at dteenergy.com/investors. The telephone dial-in number in the U.S. and Canada toll free is: (888) 510-2008. The telephone dial-in USA and international toll is: +1 (646) 960-0306 and the Canada dial-in toll is: (289) 514-5035. The passcode is 4987588. The webcast will be archived on the DTE website at dteenergy.com/investors.

About DTE Energy

DTE Energy (NYSE:DTE) is a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services nationwide. Its operating units include an electric company serving 2.3 million customers in Southeast Michigan and a natural gas company serving 1.4 million customers across Michigan. The DTE portfolio also includes energy businesses focused on custom energy solutions, renewable energy generation, and energy marketing and trading. DTE has continued to accelerate its carbon reduction goals to meet aggressive targets and is committed to serving with its energy through volunteerism, education and employment initiatives, philanthropy, emission reductions and economic progress. Information about DTE is available at dteenergy.com, empoweringmichigan.com, x.com/DTE_Energy and facebook.com/dteenergy.

Use of Operating Earnings Information - DTE Energy management believes that operating earnings provide a meaningful representation of the company's earnings from ongoing operations and uses operating earnings as the primary performance measurement for external communications with analysts and investors. Internally, DTE Energy uses operating earnings to measure performance against budget and to report to the Board of Directors. Operating earnings is a non-GAAP measure and should be viewed as a supplement and not a substitute for reported earnings, which represents the company's net income and the most comparable GAAP measure. In this release, DTE Energy discusses 2026 operating earnings guidance. It is likely that certain items that impact the company's 2026 reported results will be excluded from operating results. Reconciliations to the comparable 2026 reported earnings guidance are not provided because it is not possible to provide a reliable forecast of specific line items (i.e. future non-recurring items, certain mark-to-market adjustments and discontinued operations). These items may fluctuate significantly from period to period and may have a significant impact on reported earnings. The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any information contained in this document as a result of new information or future events or developments. Certain information presented herein includes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 with respect to the financial condition, results of operations, and businesses of DTE Energy. Words such as "anticipate," "believe," "expect, " "may," "could," "projected," "aspiration," "plans" and "goals" signify forward-looking statements. Forward-looking statements are not guarantees of future results and conditions but rather are subject to numerous assumptions, risks and uncertainties that may cause actual future results to be materially different from those contemplated, projected, estimated or budgeted. Many factors may impact forward-looking statements including, but not limited to, the following: the impact of regulation by the EPA, EGLE, the FERC, the MPSC, the NRC, and for DTE Energy, the CFTC and CARB, as well as other applicable governmental proceedings and regulations, including any associated impact on rate structures; the amount and timing of cost recovery allowed as a result of regulatory proceedings, related appeals, or new legislation, including legislative amendments and retail access programs; economic conditions and population changes in DTE Energy's geographic area resulting in changes in demand, customer conservation, and thefts of electricity and, for DTE Energy,

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April 30, 2026 07:15 ET (11:15 GMT)