Safe Harbor Statement Many factors impact forward-looking statements including, but not limited to, the following: impact of regulation by the EPA, the FERC, the MPSC, the NRC, and for DTE Energy, the CFTC, 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 our geographic area resulting in changes in demand, customer conservation, and thefts of electricity and, for DTE Energy, natural gas; environmental issues, laws, regulations, and the increasing costs of remediation and compliance, including actual and potential new federal and state requirements; health, safety, financial, environmental, and regulatory risks associated with ownership and operation of nuclear facilities; changes in the cost and availability of coal and other raw materials, purchased power, and natural gas; volatility in the short-term natural gas storage markets impacting third-party storage revenues related to DTE Energy; impact of volatility of prices in the oil and gas markets on DTE Energy's gas storage and pipelines operations; impact of volatility in prices in the international steel markets on DTE Energy's power and industrial projects operations; volatility in commodity markets, deviations in weather, and related risks impacting the results of DTE Energy's energy trading operations; changes in the financial condition of DTE Energy's significant customers and strategic partners; the potential for losses on investments, including nuclear decommissioning and benefit plan assets and the related increases in future expense and contributions; access to capital markets and the results of other financing efforts which can be affected by credit agency ratings; instability in capital markets which could impact availability of short and long-term financing; the timing and extent of changes in interest rates; the level of borrowings; the potential for increased costs or delays in completion of significant capital projects; changes in, and application of, federal, state, and local tax laws and their interpretations, including the Internal Revenue Code, regulations, rulings, court proceedings, and audits; the effects of weather and other natural phenomena on operations and sales to customers, and purchases from suppliers; unplanned outages; the cost of protecting assets against, or damage due to, cyber crime and terrorism; employee relations and the impact of collective bargaining agreements; the risk of a major safety incident at an electric distribution or generation facility and, for DTE Energy, a gas storage, transmission, or distribution facility; the availability, cost, coverage, and terms of insurance and stability of insurance providers; cost reduction efforts and the maximization of plant and distribution system performance; the effects of competition; changes in and application of accounting standards and financial reporting regulations; changes in federal or state laws and their interpretation with respect to regulation, energy policy, and other business issues; contract disputes, binding arbitration, litigation, and related appeals; implementation of new information systems; and the risks discussed in our public filings with the Securities and Exchange Commission. New factors emerge from time to time. We cannot predict what factors may arise or how such factors may cause results to differ materially from those contained in any forward-looking statement. Any forward-looking statements speak only as of the date on which such statements are made. We undertake no obligation to update any forward-looking statement to reflect events or circumstances after the date on which such statement is made or to reflect the occurrence of unanticipated events. This presentation should also be read in conjunction with the Forward-Looking Statements section of the joint DTE Energy and DTE Electric 2016 Form 10-K and 2017 Forms 10-Q (which section is incorporated by reference herein), and in conjunction with other SEC reports filed by DTE Energy and DTE Electric. 2017 EEI Financial Forum 2 Overview 'Long-Term Growth Update 'Summary 2017 EEI Financial Forum I 3 Growth plan continues to deliver significant shareholder value Delivering 7% operating EPS* growth in 2018 Extending 7% dividend growth through 2020** Accelerating $3 billion of capital through 2022 Earnings CAGR of 12% at GSP through 2022 Continuing 5% - 7% operating EPS growth through 2022 Executing on 7% dividend increase for 2018 Increasing customer focused infrastructure improvements Driving strong nonutility growth over 5-year horizon * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix ** Subject to Board approval 2017 EEI Financial Forum 4 DTE Energy overview $986M - $1,058M 2018 operating earnings* early outlook Winner ~$20B of 5 consecutive Gallup Great Workplace Awards market cap 10,000 employees Fortune 300 100+ years company of continuous dividend payments Top quartile in residential customer satisfaction for both DTE Electric & DTE Gas DTE headquarters DTE operations * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix Michigan’s largest investor in and producer of renewable energy 2017 EEI Financial Forum 5 Growth driven by strong, stable utilities and complementary non-utility businesses 75% - 80% Utility Growth driven by investments aimed at improving reliability DTE Electric Electric generation and distribution 20% - 25% Non-utility Growth driven by strategic opportunities Gas Storage & Pipelines (GSP) Transport, store and gather natural gas Power & Industrial Projects (P&I) DTE Gas Natural gas transmission, storage and distribution Own and operate energy related assets Energy Trading Gas and power marketing 2017 EEI Financial Forum 6 Expanded priorities tie to our aspiration that drives our focus and leads to superior results To be the best-operated energy company in North America and a force for growth and prosperity in the communities where we live and serve 2017 EEI Financial Forum 7 Employee and customer focus provides a solid framework for success Safety AGA’s Safety Achievement Award ...2nd consecutive year National Safety Council’s top 2% of companies surveyed in safety culture On track for top decile safety performance in 2017 Employee Engagement Gallup’s Great Workplace Award …5th consecutive year …ranked in top 3% of the world Ranked 7th on Indeed’s list of Best Places to Work in Fortune 500 * J.D. Power 2017 Electric and Gas Utility Residential Midwest Customer Satisfaction Study. Visit jdpower.com Customer Satisfaction Both utilities ranked 2nd in residential customer satisfaction* th …4 consecutive year in top quartile Increased investment in reliability infrastructure and enhanced customer channels 2017 EEI Financial Forum 8 Strong track record of cost management is a direct result of our focus on continuous improvement Average annual percentage change in O&M costs 2008 – 2016 Electric utility* 3% 1% DTE Peers Gas utility** 2% Controlling costs while improving the customer experience       Continuous improvements Productivity enhancements Technology innovations Automation Infrastructure replacements Transition to cleaner energy -1% DTE Peers * Source: SNL Financial, FERC Form 1; major US electric utilities with O&M greater than $800 million excluding fuel and purchased power ** Source: SNL Financial, FERC Form 2; gas distribution companies with greater than 300,000 customers; excluding production expense 2017 EEI Financial Forum 9 Maintaining customer affordability while investing in our utilities DTE Electric Average annual residential electric bill $1,223 2012A DTE Gas Average annual residential gas bill 5% $1,165 2017E $7.6 billion capital investment while reducing customer bills $910 2012A 9% $826 2017E $1.5 billion capital investment while reducing customer bills 2017 EEI Financial Forum 10 Michigan’s regulatory environment continues to be constructive 2017 ranking of state utility regulatory environments* (Michigan in Tier 1) Tier 1 Solid regulatory climate driven by 6 States • Strong legislation 9 States Tier 2 • Excellent customer service Tier 3 19 States • Focus on customer affordability • Commitment to being a force for growth in our communities 8 States Tier 4 Tier 5 • Effective and open communication with the MPSC 6 States * Source: Barclays, February 2017 2017 EEI Financial Forum 11 Strong track record supports commitment to deliver long-term value to shareholders Total Shareholder Return* DTE outperforms S&P 500 utilities 240% DTE Energy 5% - 7% S&P 500 Utilities ~3% 142% Operating EPS** growth rate through 2022 114% 7% dividend growth rate through 2020*** 83% 56% Dividend yield 43% 18% 15% 1-YR 3-YR 5-YR 10-YR Supported by a strong balance sheet * Source: Bloomberg as of 9/30/2017 ** Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix *** Subject to Board approval 2017 EEI Financial Forum 12 . Overview 'Long-Term Growth Update 'Summary Financial Forum 13 Targeting 5% - 7% operating EPS growth through 2022 and annualized dividend growth of 7% through 2020 Operating EPS* Annualized Dividend Per Share $5.68 $5.31 $5.62 Energy Trading $5.25 $3.94 $3.87 Growth segments*** $3.30 $3.53 $2.48 2012A 2017 Original guidance 2018 Early outlook 2012 2017 2018 * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix ** Subject to Board approval *** Growth segments exclude Energy Trading 2017 EEI Financial Forum 14 $17 billion of investment extends 5% - 7% growth through 2022 (billions) DTE Energy 5-year capital plan Increasing $3 billion over prior plan DTE Energy Operating earnings* 20%-25% ~$17 P&I ~$14 20%-25% GSP Utilities Prior plan (2017 – 2021) Current plan (2018 – 2022) * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix 2018 Early outlook 2022E 2017 EEI Financial Forum 15 Core business grows at 10% clip through 2022 (billions) Total DTE Energy operating earnings* • Near-term, REF earnings higher with optimization • Mid-term, REF cash flows higher • Long-term, REF earnings replaced by investments across portfolio of businesses REF optimization ~$1 • Earnings shift to utilities and GSP REF ‒ Accelerating electric distribution investment ‒ Accelerating cast iron gas main replacement ‒ Optimizing Link and NEXUS platforms 2017 Original guidance 2022E * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix ‒ Investing in very attractive cogeneration and renewable gas projects 2017 EEI Financial Forum 16 Maintaining strong cash flow and balance sheet Leverage* Target 50% - 54% • $8 billion of operating cash flow 2018-2020 51% • $3 billion increase in capital investment through 2022 2017E • Additional equity of up to $500 million through 2020 to fund additional growth capital 2018-2020E Funds from Operations** / Debt* Target ~20% • Targeting strong BBB credit rating 21% 2017E 2018-2020E * Debt excludes a portion of DTE Gas’ short-term debt and considers 50% of the junior subordinated notes and 100% of the convertible equity units as equity ** Funds from Operations (FFO) is calculated using operating earnings 2017 EEI Financial Forum 17 DTE Electric overview Upgrading Transitioning to distribution lines cleaner energy $648M - $662M DTE Electric service territory 2018 operating earnings* early outlook Founded 1886 * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix $16.6B 2.2M 2017 rate base customers $10.4B 5-year capital plan (2018-2022) 2017 EEI Financial Forum 18 Generation and distribution infrastructure replacement will continue to improve service (billions) DTE Electric Investment New generation +37% Transitioning generation portfolio to more sustainable energy $10.4 Distribution infrastructure $8.4 Progress to best in class in reliability $7.6 Base infrastructure Reduce costs through productivity and efficiency investments 2013 - 2017 2017 - 2021 (Prior Plan) 2018 - 2022 (Current Plan) Current investment plan is significantly higher than previous five year plans 2017 EEI Financial Forum 19 Transitioning portfolio to cleaner more sustainable generation by reducing CO2 emissions CO2 30% by ~2022 Planned Retirements reduction plan* River Rouge 45% by 2030 St. Clair Belle River 2030 > 80% by 2050 Monroe 2050 2040 Planned additions** 2020 Trenton Channel 75% by 2040 A steady march toward zero-emitting and low-emitting resources * CO2 percentage reductions from 2005 levels ** ~4,000 MW of renewable and ~3,500 MW of natural gas capacity 2017 EEI Financial Forum 20 Increasing reliability and customer satisfaction with distribution investments Infrastructure resilience Infrastructure redesign Technology enhancement Tree trimming Improves circuit reliability up to 70% Addresses substation load growth and aging infrastructure Targets 100% remote monitoring Improves distribution reliability 2017 EEI Financial Forum 21 DTE Gas overview 139 Bcf Storage capacity Renewing 4,000 miles of cast iron and unprotected distribution main DTE Gas service territory $152M - $160M $2.1B 1.3M 2018 operating earnings* early outlook (2018-2022) customers $4.0B Founded 1849 5-year capital plan 19,000 miles 2017 rate base distribution main * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix 2017 EEI Financial Forum 22 Improving service to customers through infrastructure renewal and replacement (billions) DTE Gas Investment NEXUS related +40% Compression $2.1 Infrastructure renewal Proposing accelerated 15 year main renewal cycle $1.8 $1.5 Base infrastructure Transmission, compression, distribution, storage 2013 - 2017 2017 - 2021 (Prior Plan) 2018 - 2022 (Current Plan) Current investment plan is significantly higher than previous five year plans 2017 EEI Financial Forum 23 Replacing aging infrastructure achieves a fundamental shift in performance, cost and productivity Main renewal Meter move out Pipeline integrity Minimizes leaks - reducing costs and improving customer satisfaction Reduces manual meter reading – improving operational efficiencies and customer satisfaction Strengthens the system decreasing the potential for system issues 2017 EEI Financial Forum 24 GSP overview 91 Bcf 5 pipelines, 1,600 miles of pipe and gathering lines of storage Transport, store and gather natural gas $155M - $165M ??? $2.8B – $3.4B 5-year capital plan (2018-2022) 2018 operating earnings* early outlook Serves markets in Midwest, Northeast, Mid-Atlantic, and Southeast * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix 2017 EEI Financial Forum 25 Expanding strategic footprint in the most prolific dry gas geology in the country Michigan Gathering Northeast Ontario Market Bluestone Birdsboro Midwest Link Lateral & Gathering Mid-Atlantic & LNG Southeast Gulf 2017 EEI Financial Forum 26 Focusing on expanding NEXUS and Link over the next five years NEXUS Link • FERC certificate August 25th • Active expansion discussions with producers • Construction underway • Targeting in-service 3Q 2018 • Market interest increased significantly since receiving FERC certificate • Active discussions with 1 bcf/d of demand against 0.6 bcf/d of available capacity • Significant interest from power generators and LDCs • Building out additional gathering to serve ~50 incremental wells in 2018 and 2019 • Recently reached agreement on 2nd expansion with an existing customer • Positioned to benefit from additional well productivity 2017 EEI Financial Forum 27 Multiple platforms underpin strong long-term growth (millions) GSP Operating Earnings* • Looking to essentially replicate earnings growth of prior 5 years… ‒ 2013-2017 earnings growth ~$90 million $245 - $255 ‒ 2018-2022 earnings growth ~$100 million • …but from a much broader set of growth platforms and expansion opportunities $140 - $150 ‒ Millennium $61 2012A ‒ Bluestone 2017 Original guidance 2022E ‒ NEXUS ‒ Link $2.8 - $3.4 billion investment (2018-2022) * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix 2017 EEI Financial Forum 28 P&I overview Industrial energy Geographic diversity services, renewable energy, and reduced emissions fuel $0.8B – $1.2B 5-year capital plan (2018-2022) $100M - $120M 2018 operating earnings* early outlook 191 MW renewable plant capacity * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix 2017 EEI Financial Forum 29 Capitalizing on growth opportunities in our key business areas Industrial energy services Renewable energy Reduced emissions fuel Finalized new large industrial project and continuing to develop strong queue of opportunities Integrating two Renewable Natural Gas (RNG) acquisitions and in advanced discussions on several others Maximizing performance and value through 2021 2017 EEI Financial Forum 30 Executing strategy to continue growing our industrial energy and renewables businesses Large contract with Ford inked Two RNG acquisitions completed • Investment transforms and modernizes Ford’s research and engineering facility • Contracted output with fixed prices secures value • DTE will build, own and operate the stateof-the-art infrastructure ‒ CHP plant ‒ Chilled and hot water systems ‒ Fort Bend in operation ‒ Seabreeze in construction • Developing additional projects in an active market ‒ Thermal energy storage ‒ Distribution systems • Expected in-service 4Q 2019 Rendering of Ford Research and Engineering Campus Renewable natural gas plant Originated $300 million of investments in 2017 with industrial and renewable energy projects 2017 EEI Financial Forum 31 Opportunities in industrial energy and renewables businesses drive future growth Industrial energy services Renewable natural gas • In advanced discussions on 5 cogeneration sites • ~20 projects under development, with 4 in advanced discussions • Strong queue of prospects, building on expertise and track record • Emerging opportunities are attractive fit for P&I’s capabilities and experience • Services provided under long-term contracts • Can be sold into vehicle renewable fuels markets at premiums to natural gas Onsite Energy Project Landfill gas facility 2017 EEI Financial Forum 32 P&I is well on the way to achieving its 2022 development target (millions) Project Origination Target (Operating Earnings) • 5% - 7% operating EPS growth plan calls for $45 million of nonREF earnings growth at P&I by 2022 $30 2018-2022 Projects $15 $15 2017 Projects 2017 Projects Executed in 2017 2022 project origination target ‒ 1/3 of this goal – $15 million – achieved this year ‒ We have 5 years to originate the remaining $30 million ‒ Achievable given market dynamics ‒ P&I contributes to ~$65 million of earnings in 2022 2017 EEI Financial Forum 33 P&I’s new project growth will offset a portion of REF sunset (millions) P&I Operating Earnings* $100 - $120 • Our 5-year plan calls for P&I to: REF Short-term contracts Long-term contracts Long-term contracts Corporate allocations, interest, overheads ‒ Replace a portion of expiring REF earnings with new projects $60 - $70 ($60) ($50) 2018 Early outlook 2022E ‒ Contribute ~$65 million of long-term, contracted earnings in 2022 ‒ Position itself for continued growth beyond 2022 $0.8 - $1.2 billion investment (2018-2022) * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix 2017 EEI Financial Forum 34 . Overview 'Long-Term Growth Update 'Summary 2017 EEI Financial Forum I 35 Summary • Targeting 5% - 7% operating EPS* growth through 2022 and annualized dividend growth of 7% through 2020** • Accelerating capital investment at utilities driven by investments focused on improving reliability and the customer experience • Accelerating capital investment at GSP driven by demand • Continuing strong balance sheet metrics • Providing premium shareholder returns * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix ** Subject to Board approval 2017 EEI Financial Forum 36 Appendix 2017 EEI Financial Forum I 37 2018 early outlook operating EPS* midpoint of $5.68 grows 7% from original 2017 guidance midpoint (millions, except EPS) 2017 Original Guidance 2017 Current Guidance 2018 Early Outlook $610 - $624 $610 - $624 $648 - $662 DTE Gas 143 - 151 143 - 151 152 - 160 Gas Storage & Pipelines 140 - 150 150 - 160 155 - 165 Power & Industrial Projects 90 - 100 115 - 125 100 - 120 (64) - (60) (64) - (60) (74) - (64) Growth segments** $919 - $965 $954 - $1,000 $981 - $1,043 Growth segments operating EPS $5.12 - $5.38 $5.32 - $5.58 $5.45 - $5.79 $5 - $15 $10 - $20 $5 - $15 DTE Energy $924 - $980 $964 - $1,020 $986 - $1,058 Operating EPS $5.15 - $5.46 $5.38 - $5.69 $5.48 - $5.88 180 180 180 DTE Electric Corporate & Other Energy Trading Avg. Shares Outstanding * Reconciliation of operating earnings (non-GAAP) to reported earnings included in the appendix ** Growth segments exclude Energy Trading 2017 EEI Financial Forum 38 We recently revised our 2017 cash flow and capital expenditures guidance (billions) (millions) Capital Expenditures Summary Cash Flow Summary Prior Guidance Prior Guidance Revised Guidance Cash From Operations $1.9 $1.9 Capital Expenditures (3.0) (2.5) Free Cash Flow ($1.1) ($0.6) Asset Sales & Other Dividends Net Cash - - (0.6) (0.6) ($1.7) ($1.2) DTE Electric Distribution Infrastructure New Generation Base Infrastructure Base Infrastructure NEXUS Related Debt Financing: $2.0 $1.6 Redemptions (0.3) (0.4) $1.7 $1.2 Change in Debt $690 $690 45 45 725 725 $1,460 $1,460 $200 $200 90 90 145 145 $435 $435 $900 - $1,100 $550 - $650 $2,795 - $2,995 $2,445 - $2,545 DTE Gas Main Renewal Issuances Revised Guidance Non-Utility Total 2017 EEI Financial Forum 39 Growth fueled by investment in utility infrastructure and generation along with midstream opportunities (billions) DTE Energy Investment +42% Electric $10.4 billion +21% $17 Distribution infrastructure, maintenance, new generation $14 $12 Gas $2.1 billion Base infrastructure, main renewal, NEXUS related GSP $2.8 - $3.4 billion Expansions, NEXUS P&I $0.8 - $1.2 billion 2013 - 2017 2017 - 2021 (Prior Plan) 2018 - 2022 (Current Plan) Industrial energy services, projects and renewables Current investment plan is significantly higher than previous five year plans 2017 EEI Financial Forum 40 DTE Electric increases customer reliability with plans to invest $10.4 billion over the next 5 years (millions) Targeting 6% - 7% growth $2,400 $2,100 $1,900 $2,100 Depreciation 2018E $2,000 New generation $4,300 Distribution infrastructure $4,100 Base infrastructure* $1,900 $1,460 2017E $10,400 2019E 2020E 2021E ~$749M YE Rate Base** ~$16.6B * Includes power reliability, existing generation maintenance, AMI, Ludington expansion and other investments ** Includes working capital and rate base associated with surcharges 2022E 2018E - 2022E Total ~$1,076M ~$22.9B 2017 EEI Financial Forum 41 DTE Gas improves customer reliability with plans to invest $2.1 billion over the next 5 years (millions) Targeting 7% - 8% growth $450 $435 $400 $400 $450 $2,100 $10 $1,140 $950 2017E Depreciation ~$121M YE Rate Base* ~$4.0B * Includes working capital 2018E 2019E NEXUS related $400 2020E 2021E 2022E Main renewal Base infrastructure 2018E - 2022E Total ~$172M ~$5.7B 2017 EEI Financial Forum 42 Reconciliation of 2012 reported to operating earnings Use of Operating Earnings Information – DTE Energy management believes that operating earnings provide a more 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 are presented both with and without Energy Trading. The term “Growth Segments” refers to DTE Energy without Energy Trading and represents the business segments that management expects to generate earnings growth going forward. Net Income (millions)* 2012 After tax items: Reported Earnings DTE Energy DTE Electric $610 Coke oven gas settlement Loss on sale of coal transloading & petroleum coke mill impairment Discontinued operations of Unconventional Gas $483 DTE Gas $115 Gas Storage & Pipelines Power & Industrial Projects $61 $42 7 7 3 3 Energy Trading $12 Corporate & Other Unc. Gas Prod. ($47) ($56) 56 $676 56 $483 $115 $61 $52 $12 ($47) $0 EPS** 2012 After tax items: Reported Earnings Coke oven gas settlement Loss on sale of coal transloading & petroleum coke mill impairment Discontinued operations of Unconventional Gas DTE Energy $3.55 DTE Electric $2.81 DTE Gas $0.67 Gas Storage & Pipelines $0.36 Power & Industrial Projects $0.24 0.04 0.04 0.02 0.02 Energy Trading $0.07 Corporate & Other Unc. Gas Prod. ($0.27) 0.33 $3.94 * Total tax impact of adjustments to reported earnings: $35 million ** Total tax impact of adjustments to reported EPS: $0.21 ($0.33) 0.33 $2.81 $0.67 $0.36 $0.30 $0.07 ($0.27) 2017 EEI Financial Forum $0 43 Reconciliation of reported to operating earnings (non-GAAP) Use of Operating Earnings Information – Operating earnings exclude non-recurring items, certain mark-tomarket adjustments and discontinued operations. DTE Energy management believes that operating earnings provide a more 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. In this presentation, DTE Energy provides guidance for future period operating earnings. It is likely that certain items that impact the company’s future period reported results will be excluded from operating results. A reconciliation to the comparable future period reported earnings is not provided because it is not possible to provide a reliable forecast of specific line items (i.e. future non-recurring items, certain mark-tomarket adjustments and discontinued operations). These items may fluctuate significantly from period to period and may have a significant impact on reported earnings. For comparative purposes, 2012 operating earnings excluded the Unconventional Gas Production segment that was classified as a discontinued operation on 12/31/2012. 2017 EEI Financial Forum 44