EX-99.1 2 k50668exv99w1.htm EX-99.1
Exhibit 99.1

Growing Forward Investor Meeting August 24, 2011

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This presentation is made as of the date hereof and contains "forward-looking statements" as defined in Rule 3b-6 of the Securities Exchange Act of 1934, as amended, Rule 175 of the Securities Act of 1933, as amended, and relevant legal decisions. The forward-looking statements are subject to risks and uncertainties. They should be read in conjunction with "FORWARD- LOOKING STATEMENTS AND INFORMATION" and "RISK FACTORS" sections of CMS Energy's and Consumers Energy's Form 10-K for the year ended December 31 and as updated in subsequent 10-Qs. CMS Energy's and Consumers Energy's "FORWARD-LOOKING STATEMENTS AND INFORMATION" and "RISK FACTORS" sections are incorporated herein by reference and discuss important factors that could cause CMS Energy's and Consumers Energy's results to differ materially from those anticipated in such statements. CMS Energy and Consumers Energy undertake no obligation to update any of the information presented herein to reflect facts, events or circumstances after the date hereof. The presentation also includes non-GAAP measures when describing CMS Energy's results of operations and financial performance. A reconciliation of each of these measures to the most directly comparable GAAP measure is included in the appendix and posted on our website at www.cmsenergy.com. Reported earnings could vary because of several factors, such as legacy issues associated with prior asset sales. Because of those uncertainties, the company is not providing reported earnings guidance. 1

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CMS Business Model . . . . 2 Actual Results (2006-2010) Future Outlook (2011-2015) 7% EPS Growth . . . . predictable and repeatable. $4.6 Billion Investment 5%-7% EPS Growth NOLs in lieu of Equity <3% Base Rates <2% Base Rates NOLs in lieu of Equity $6.4 Billion Investment

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Plan Model Strengthens . . . . 3 Investment Enablers Michigan Energy Law Base rates < inflation O&M cost flat to down Sales recovery NOLs vs equity Risk Mitigation Energy Law Discipline Strong liquidity RESULTS - Consistent Financial Performance . . . . with enablers and risk mitigation.

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ENABLER - Capital Investment . . . . 4 . . . . "needed" (vs "wanted") and grows rate base 5% to 7%. Investment Mix Flexibility (bils) $6.4 Billion 2011-2015 Gas Electric

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5 ENABLER - Michigan Energy Law . . . . Growth Renewable energy plan Energy optimization Speed File and implement ratemaking Forward test year Risk Mitigation Retail open access cap Decoupling ? ? ? ? Law Implementation ? ? ? . . . . enables fast rate recovery and mitigates risks. ? ? ? ? ?

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ENABLER - Intense Customer Focus . . . . 6 . . . . to maintain affordable and sustainable rates. 2011-2015 Estimated Annual Average Base Rate Increases Productivity Initiatives Customer Value Initiative Maximize Energy Optimization Improve system reliability Competitive rates

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ENABLER - O&M Cost Control . . . . Fuel Western coal - $250 million Base Rates and Surcharges Benefit plans - $30 million SAP system efficiencies - $40 million Reduced workforce - $30 million Reduced customer renewable energy surcharge - about $54 million 7 . . . . helps maintain "affordability" (creates headroom). Recent Cost Reductions Average Annual Increasea 7.5% 2.8% _ _ _ _ _ a Excluding Energy Optimization

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ENABLER - Electric Sales (weather adjusted) . . . . 2011 Sales (vs 2010) . . . . near pre-recession levels, conservative outlook. Electric Sales 0 7% decline 1979 to 1982 6% decline 2007 to 2009 Total +2% Up 9% 1983 &1984 Up 4% 2010 & 2011 8

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Annual Peak Load . . . . 9 . . . .reached new sendout record. 8,883 8,896

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ENABLER - Federal Tax Benefits . . . . 10 . . . . offset need for equity (dilution) for five years! Gross NOLs (bils) $1.4 $1.3 $1.2 $0.5 $0 Net NOLs and Credits (bils)

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Risk Mitigation . . . . 11 Risk Mitigation Economy Sluggish recovery or downturn Back-up liquidityCustomer focus Capital Investments Regulatory recovery Priority projectsRegulatory alignment Regulatory / Political ROA and customer rate pressure ROA "cap"Rate increases < "inflation" Commodities (prices) Regulatory alignment Follow MPSC-approved plan to ensure recovery Capital Structure Interest rates Maintain financial flexPrefund obligations Shareowner Return Sustainable returns; interest rates Risk managementConsistent EPS performanceAttractive dividend policy . . . . CMS ranks among best at risk mitigation.

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Liquidity Strong With Recent Renewals . . . . 12 . . . . and substantial cash as of June 30, 2011. Renewal Availability Capacity $2.6 Billion $2.3 Billion Among first 5-year term revolvers since 2007 CMS Energy 5-year revolver Consumers Energy Cash Letter of Credit 2011 AR Facility 2011 Letter of Credit 2013 5-year revolver 2016 2016 $550 mils 500 150 250 994 30 $547 mils 311 150 250 994 3-year revolver 2013 104 46% of Mkt Cap

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_ _ _ _ _ a Adjusted EPS (non-GAAP) excluding MTM in 2004-2006 b $1.25 excluding discontinued Exeter operations and accounting changes related to Convertible debt and restricted stock 13 8% CAGR . . . . supported by "desirable" investments. RESULTS - EPS and OCF Growth . . . . Dividend Annual ¢/share Payout 25% 30% 40% 84¢ +68% $1.20 $1.25 $1.26 $1.35 5%-7% Growth $1.44 $1.21 b Actual a Guidance Int'l Sale

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Key Takeaways Diversified Utility investment boosts rate base, EPS, and operating cash flow Enablers provide fast recovery; help maintain affordable rates Risk mitigation tools protect customer and shareowner from volatility CMS business model results in strong, consistent financial performance 14

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Appendix

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$1.5 Billion Environmental Investment . . . . 16 Environmental emission reductions better than plan Regulatory outlook improved GHG Regulation - minimal impact anticipated . . . . over next 5 years.

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Environmental Spending 2011-2015 . . . . 17 Mercury SO2 NOx Emissions Reductions 2011 - 2015 (bils) 2011 - 2015 (bils) Air NOx $0.1 SO2 0.6 Mercury 0.5 Water 0.1 Solid Waste 0.2 Total $1.5 Expenditures . . . . significantly reduced air emissions.

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Renewable Energy Plans . . . . Michigan energy law requires: 10% renewables by 2015 Purchase 50% and build 50% Renewable energy surcharge reduced about $54 million annually Still plan to invest $650 million over next five years, primarily on wind power . . . . at lower customer costs while maintaining investment. Renewable Facilities Proposed Company-owned Wind Facilities New Power Purchase Agreements (287 MW) ^ 18 ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ Cross Winds Energy Park Lake Winds Energy Park ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ Upper Peninsula

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Reliability Investments . . . . $700 million next 5 years Reduce outage frequency Reduce repetitive outages Improves Customer Average Interruption Duration Index Increase customer satisfaction 19 . . . . reduces outages and increases customer satisfaction.

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Ludington Upgrade to 2,200 MW . . . . 20 . . . . underway. Increase capacity by 15% Increase efficiency by 5% Operate for 30 years before next major overhaul $800 million total investment over 10 years $150 million upgrade $650 million maintenance Consumers Energy share $400 million

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21 Smart Grid Deployment . . . . . . . . improves overall financial viability. Billing Customer Information Outage Management Work and Asset Management Enterprise Applications MDM/MDUS Total project cost $750 million Meter deployment begins early 2012 Removed deployment of gas only meters Minimize upfront IT system cost by installing only basic functionality Expanded functions installed later Improved ability to scale plan

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Regulatory Progress . . . . . . . . supports growth. 2009 Filed $214 M Self-Imp $179 M Order $139 M 2010 Filed $178 M Self-Imp $150 M Order $146 M 2009 Filed $114 M Self-Imp $89 M Order $66 M 2010 Filed $55 M 78% 97% 74% Electric Gas New Renewable Plan $54 M Reduction 2011 22 Filed $195 M Self- Imp Order $31 M Decision New Energy Law 2008 2009 2010 2011 2012 2008 2009 2010 2011 2012 File Self- Imp Decision

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Bonus Depreciation . . . . Bonus Depreciation . . . . 23 . . . . supports investment and extends use of NOLs. ? ?

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U.S. DOE Settlement . . . . Amount (mils) Proceeds from DOE towards SNF costs $120 Existing book value (85) Excess over book value $35 Proposed refund to customers (23) Remaining proceeds $12 (subject to MPSC approval) 24 . . . . mitigates risk, reduces rate pressure, and creates earnings potential. Spent Nuclear Fuel (SNF) Settlement Earnings Potential Rate Mitigation

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New Michigan Corporate Income Tax . . . . 25 Utility Enterprises & Parent (mils) (mils) Future State Tax (payment)/ benefit $(134) $32 Regulatory asset to be recovered through rates 134 NA Gain recorded in Second Quarter $ 0 $32 . . . . similar to MBT, except recognition of existing tax/book expense difference. a a _ _ _ _ _ a After tax

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26 2011 Second Quarter Adjusted EPS (non-GAAP) . . . . . . . . on plan. By Business Segment Results

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2011 Adjusted EPS (non-GAAP) . . . . Year-to-Date Six Months To Go +13¢ (5)¢ $1.36 . . . . guidance reaffirmed. 27 $1.44 +6% First Half First Half Existing Rates Existing Rates New Rates Storms (5)¢ Investment (5) Enterprises (3) PA141 (2) Dilution & other (5) Total (20)¢ $0.77 +20%

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Weather and Storms . . . . First Half EPS Electric & Gas 2011 2010 Change Storms (7)¢ (2)¢ (5)¢ Weather (gas) 5 (4) 9 Total change (2)¢ (6)¢ 4¢ July Hot Hot 28 . . . . were a net benefit.

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2011 Cash Flow Forecast (non-GAAP) CMS Energy Parent Consumers Energy _ _ _ _ _ a Includes other _ _ _ _ _ b Includes cost of removal and capital leases 29 DOE

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2011 Sensitivities . . . . _ _ _ _ _ * Less than 0.5¢ or $500,000 . . . . partly mitigated. . . . . partly mitigated. 30 - + - + - +

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Michigan 2010 Census Results 31 Population Change by County: 2000-2010 15-25% 5-15 0-5 < -10 Not in service territory Service Territory Change Consumers +3% Non-Consumers - 7 State of Michigan - 1 > -10

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Michigan Public Service Commission (MPSC) Composed of three members appointed by the Governor with the advice and consent of the Senate Appointed to serve staggered six-year terms No more than two Commissioners may represent the same political party One Commissioner is designated as Chairman by the Governor Orjiakor Isiogu, Chairman Appointed: 9/9/07 Term Ends: 7/2/13 Democrat Monica Martinez, Commissioner Appointed: 7/3/05 Term Ends: 7/2/11 Democrat Greg White, Commissioner Appointed: 12/4/09 Term Ends: 7/2/15 Independent 32

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Electric Customer Base Diversified . . . . Hemlock Semiconductor General Motors State of Michigan Meijer Incorporated Nexteer Automotive Corporation Packaging Corporation of America Gerdau MacSteel Denso International Spectrum Health City of Grand Rapids Percent of 2010 electric gross margin is 2% Top Ten Customers Residential Commercial Autos Industrial Other (including ROA) 0.48 0.31 0.04 0.1 0.07 $1.95 Billion . . . . "Autos" only 4% of gross margin. 2010 Electric Gross Margin Note: "Autos" includes 180 Business Partners identified by customer account managers 33

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Business Model Strong (5% to 7% growth) . . . . Financial Use NOLs to Eliminate Need for Equity Grow Operating Cash Flow and EPS 5% - 7% Business Invest in Utility Create Jobs Enhance Customer Value Base Rate Increases <2% 36 Consistent financial performance Fair and timely regulation Utility investment Customer value Safe, excellent operations . . . . and sustainable with moderate rate increases <2%.

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GAAP Reconciliation

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CMS ENERGY CORPORATION
Earnings Per Share By Year GAAP Reconciliation
(Unaudited)

|  | 2003 |  |  | 2004 |  |  | 2005 |  |  | 2006 |  |  | 2007 |  |  | 2008 |  |  | 2009 |  |  | 2010 |
Reported earnings (loss) per share — GAAP |  |  | ($0.30 | ) |  | $ | 0.64 |  |  |  | ($0.44 | ) |  |  | ($0.41 | ) |  |  | ($1.02 | ) |  | $ | 1.20 |  |  | $ | 0.91 |  |  | $ | 1.28 |
After-tax items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric and gas utility |  |  | 0.21 |  |  |  | (0.39 | ) |  |  | — |  |  |  | — |  |  |  | (0.07 | ) |  |  | 0.05 |  |  |  | 0.33 |  |  |  | 0.03 |
Enterprises |  |  | 0.74 |  |  |  | 0.62 |  |  |  | 0.04 |  |  |  | (0.02 | ) |  |  | 1.25 |  |  |  | (0.02 | ) |  |  | 0.09 |  |  |  | (0.03 | )
Corporate interest and other |  |  | 0.16 |  |  |  | (0.03 | ) |  |  | 0.04 |  |  |  | 0.27 |  |  |  | (0.32 | ) |  |  | (0.02 | ) |  |  | 0.01 |  |  |  | * |
Discontinued operations (income) loss |  |  | (0.16 | ) |  |  | 0.02 |  |  |  | (0.07 | ) |  |  | (0.03 | ) |  |  | 0.40 |  |  |  | (* | ) |  |  | (0.08 | ) |  |  | 0.08 |
Asset impairment charges, net |  |  | — |  |  |  | — |  |  |  | 1.82 |  |  |  | 0.76 |  |  |  | 0.60 |  |  |  | — |  |  |  | — |  |  |  | — |
Cumulative accounting changes |  |  | 0.16 |  |  |  | 0.01 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Adjusted earnings per share, including MTM — non-GAAP |  | $ | 0.81 |  |  | $ | 0.87 |  |  | $ | 1.39 |  |  | $ | 0.57 |  |  | $ | 0.84 |  |  | $ | 1.21 |  |  |  | (a) $1.26 |  |  | $ | 1.36 |
Mark-to-market impacts |  |  |  |  |  |  | 0.03 |  |  |  | (0.43 | ) |  |  | 0.51 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjusted earnings per share, excluding MTM — non-GAAP |  | NA |  |  | $ | 0.90 |  |  | $ | 0.96 |  |  | $ | 1.08 |  |  | NA |  |  | NA |  |  | NA |  |  | NA |

* |  | Less than $500 thousand or $0.01 per share.
(a) |  | $1.25 excluding discontinued Exeter operations and accounting changes related to convertible debt and restricted stock.

2003-10 EPS

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CMS ENERGY CORPORATION
Earnings By Quarter and Year GAAP Reconciliation
(Unaudited)

(In millions, except per share amounts) |  | 2010
|  | 1Q |  |  | 2Q |  |  | 3Q |  |  | 4Q |  |  | YTD Dec |
Reported net income — GAAP |  | $ | 85 |  |  | $ | 80 |  |  | $ | 134 |  |  | $ | 25 |  |  | $ | 324 |
After-tax items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric and gas utility |  |  | 6 |  |  |  | * |  |  |  | — |  |  |  | — |  |  |  | 6 |
Enterprises |  |  | 1 |  |  |  | (31 | ) |  |  | (2 | ) |  |  | 24 |  |  |  | (8 | )
Corporate interest and other |  |  | * |  |  |  | * |  |  |  | — |  |  |  | * |  |  |  | * |
Discontinued operations loss |  |  | 1 |  |  |  | 16 |  |  |  | * |  |  |  | 6 |  |  |  | 23 |
Adjusted income — non-GAAP |  | $ | 93 |  |  | $ | 65 |  |  | $ | 132 |  |  | $ | 55 |  |  | $ | 345 |
Average shares outstanding, basic |  |  | 228.0 |  |  |  | 228.2 |  |  |  | 229.0 |  |  |  | 240.7 |  |  |  | 231.5 |
Average shares outstanding, diluted |  |  | 246.5 |  |  |  | 247.6 |  |  |  | 254.7 |  |  |  | 258.4 |  |  |  | 252.9 |
Reported earnings per share — GAAP |  | $ | 0.34 |  |  | $ | 0.32 |  |  | $ | 0.53 |  |  | $ | 0.09 |  |  | $ | 1.28 |
After-tax items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric and gas utility |  |  | 0.03 |  |  |  | * |  |  |  | — |  |  |  | — |  |  |  | 0.03 |
Enterprises |  |  | * |  |  |  | (0.13 | ) |  |  | (0.01 | ) |  |  | 0.10 |  |  |  | (0.03 | )
Corporate interest and other |  |  | * |  |  |  | * |  |  |  | — |  |  |  | * |  |  |  | * |
Discontinued operations loss |  |  | 0.01 |  |  |  | 0.07 |  |  |  | * |  |  |  | 0.02 |  |  |  | 0.08 |
Adjusted earnings per share — non-GAAP |  | $ | 0.38 |  |  | $ | 0.26 |  |  | $ | 0.52 |  |  | $ | 0.21 |  |  | $ | 1.36 |

(In millions, except per share amounts) |  | 2011 |
|  | 1Q |  |  | 2Q |
Reported net income — GAAP |  | $ | 135 |  |  | $ | 100 |
After-tax items: |  |  |  |  |  |  |  |
Electric and gas utility |  |  | — |  |  |  | — |
Enterprises |  |  | * |  |  |  | (28 | )
Corporate interest and other |  |  | — |  |  |  | (4 | )
Discontinued operations (income) loss |  |  | (2 | ) |  |  | * |
Adjusted income — non-GAAP |  | $ | 133 |  |  | $ | 68 |
Average shares outstanding, basic |  |  | 250.0 |  |  |  | 250.3 |
Average shares outstanding, diluted |  |  | 261.7 |  |  |  | 261.9 |
Reported earnings per share — GAAP |  | $ | 0.52 |  |  | $ | 0.38 |
After-tax items: |  |  |  |  |  |  |  |
Electric and gas utility |  |  | — |  |  |  | — |
Enterprises |  |  | * |  |  |  | (0.11 | )
Corporate interest and other |  |  | — |  |  |  | (0.01 | )
Discontinued operations (income) loss |  |  | (0.01 | ) |  |  | * |
Adjusted earnings per share — non-GAAP |  | $ | 0.51 |  |  | $ | 0.26 |

Note: Year-to-date (YTD) EPS may not equal sum of quarters due to share count differences.
* |  | Less than $500 thousand or $0.01 per share.

2011 A-1

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CMS Energy Corporation
Earnings Segment Results GAAP Reconciliation
(Unaudited)

|  | Three Months Ended |  |  | Six Months Ended |
June 30 |  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Electric Utility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reported |  | $ | 0.32 |  |  | $ | 0.35 |  |  | $ | 0.57 |  |  | $ | 0.51 |
Downsizing Program |  |  | — |  |  |  | * |  |  |  | — |  |  |  | 0.02 |
Adjusted |  | $ | 0.32 |  |  | $ | 0.35 |  |  | $ | 0.57 |  |  | $ | 0.53 |
Gas Utility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reported |  | $ | 0.02 |  |  | $ | * |  |  | $ | 0.36 |  |  | $ | 0.27 |
Downsizing Program |  |  | — |  |  |  | * |  |  |  | — |  |  |  | 0.01 |
Adjusted |  | $ | 0.02 |  |  | $ | * |  |  | $ | 0.36 |  |  | $ | 0.28 |
Enterprises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reported |  | $ | 0.11 |  |  | $ | 0.13 |  |  | $ | 0.12 |  |  | $ | 0.17 |
Tax Changes |  |  | (0.11 | ) |  |  | — |  |  |  | (0.11 | ) |  |  | — |
Asset Sales Gains and Other |  |  | * |  |  |  | (0.13 | ) |  |  | * |  |  |  | (0.13 | )
Adjusted |  | $ | * |  |  | $ | * |  |  | $ | 0.01 |  |  | $ | 0.04 |
Corporate Interest and Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reported |  | $ | (0.07 | ) |  | $ | (0.09 | ) |  | $ | (0.16 | ) |  | $ | (0.21 | )
Tax Changes |  |  | (0.01 | ) |  |  | — |  |  |  | (0.01 | ) |  |  | — |
Asset Sales Gains and Other |  |  | — |  |  |  | * |  |  |  | — |  |  |  | * |
Adjusted |  | $ | (0.08 | ) |  | $ | (0.09 | ) |  | $ | (0.17 | ) |  | $ | (0.21 | )
Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reported |  | $ | * |  |  | $ | (0.07 | ) |  | $ | 0.01 |  |  | $ | (0.07 | )
Discontinued Operations (Income) Loss |  |  | * |  |  |  | 0.07 |  |  |  | (0.01 | ) |  |  | 0.07 |
Adjusted |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Totals |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reported |  | $ | 0.38 |  |  | $ | 0.32 |  |  | $ | 0.90 |  |  | $ | 0.67 |
Discontinued Operations (Income) Loss |  |  | * |  |  |  | 0.07 |  |  |  | (0.01 | ) |  |  | 0.07 |
Downsizing Program |  |  | — |  |  |  | * |  |  |  | — |  |  |  | 0.03 |
Tax Changes |  |  | (0.12 | ) |  |  | — |  |  |  | (0.12 | ) |  |  | — |
Asset Sales Gains and Other |  |  | * |  |  |  | (0.13 | ) |  |  | * |  |  |  | (0.13 | )
Adjusted |  | $ | 0.26 |  |  | $ | 0.26 |  |  | $ | 0.77 |  |  | $ | 0.64 |
Average Common Shares Outstanding — Diluted (in millions) |  |  | 261.9 |  |  |  | 247.6 |  |  |  | 261.5 |  |  |  | 247.7 |

* |  | Less than $0.01 per share.

2011 A-2

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Consumers Energy
2011 Forecasted Cash Flow GAAP Reconciliation (in millions) (unaudited)

|  |  |  |  |  | Reclassifications From Sources and Uses to Statement of Cash Flows |  |  |  |
Presentation Sources and Uses |  |  | Tax |  |  | Interest |  |  | Other Working |  |  | Capital |  |  | Securitization |  |  | Preferred |  |  | Common |  |  | Consolidated Statements of Cash Flows |
|  | non-GAAP |  |  | Sharing |  |  | Payments |  |  | Capital |  |  | Lease Pymts |  |  | Debt Pymts |  |  | Dividends |  |  | Dividends |  |  | GAAP |  |  |  |
Description |  | Amount |  |  | Operating |  |  | as Operating |  |  | as Investing |  |  | as Financing |  |  | as Financing |  |  | as Financing |  |  | as Financing |  |  | Amount |  |  | Description |
Cash at year end 2010 |  | $ | 71 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 71 |  |  | Cash at year end 2010
Sources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating |  | $ | 1,525 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other working capital |  |  | (40 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net cash provided by operating activities
Sources |  | $ | 1,485 |  |  | $ | 35 |  |  | $ | (233 | ) |  | $ | 23 |  |  | $ | 23 |  |  | $ | 37 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,370 |  |  |  |  |
Uses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and preferred dividends |  | $ | (235 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  | (1,040 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends/tax sharing to CMS |  |  | (325 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net cash provided by investing activities
Uses |  | $ | (1,600 | ) |  | $ | (35 | ) |  | $ | 233 |  |  | $ | (23 | ) |  | $ | — |  |  | $ | — |  |  | $ | 2 |  |  | $ | 360 |  |  | $ | (1,063 | ) |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cash flow from operating and investing activities
Cash flow |  | $ | (115 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 23 |  |  | $ | 37 |  |  | $ | 2 |  |  | $ | 360 |  |  | $ | 307 |  |  |  |  |
Financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity |  | $ | 125 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New Issues |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirements |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net short-term financing & other |  |  | (46 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net cash provided by financing activities
Financing |  | $ | 79 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (23 | ) |  | $ | (37 | ) |  | $ | (2 | ) |  | $ | (360 | ) |  | $ | (343 | ) |  |  |  |
Net change in cash |  | $ | (36 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (36 | ) |  | Net change in cash
Cash at year end 2011 |  | $ | 35 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 35 |  |  | Cash at year end 2011

2011 A-3

#####

CMS Energy Parent
2011 Forecasted Cash Flow GAAP Reconciliation (in millions) (unaudited)

|  |  |  |  |  | Reclassifications From Sources and Uses to Statement of Cash Flows |  |  |  |
Presentation Sources and Uses |  |  | Interest |  |  | Overheads & |  |  | Other |  |  | Preferred |  |  | Cash From |  |  | Consolidated Statements of Cash Flows |
|  | non-GAAP |  |  | Payments |  |  | Tax Payments |  |  | Uses (a) |  |  | Dividends |  |  | Consolidated |  |  | GAAP |  |  |  |
Description |  | Amount |  |  | as Operating |  |  | as Operating |  |  | as Operating |  |  | as Financing |  |  | Companies |  |  | Amount |  |  | Description |
Cash at year end 2010 |  | $ | 163 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 13 |  |  | $ | 176 |  |  | Cash at year end 2010
Sources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumers Energy dividends/tax sharing |  | $ | 325 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Enterprises |  |  | 30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net cash provided by operating activities
Sources |  | $ | 355 |  |  | $ | (130 | ) |  | $ | (15 | ) |  | $ | (49 | ) |  | $ | — |  |  | $ | 1 |  |  | $ | 162 |  |  |  |  |
Uses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and preferred dividends |  | $ | (130 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Overhead and Federal tax payments |  |  | (15 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity infusions |  |  | (125 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net cash provided by investing activities
Uses (a) |  | $ | (330 | ) |  | $ | 130 |  |  | $ | 15 |  |  | $ | 49 |  |  | $ | — |  |  | $ | (82 | ) |  | $ | (218 | ) |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Cash flow from operating and investing activities
Cash flow |  | $ | 25 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (81 | ) |  | $ | (56 | ) |  |  |  |
Financing and dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New Issues |  | $ | 250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirements |  |  | (200 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity programs (DRP, continuous equity) |  |  | 29 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net short-term financing & other |  |  | (9 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common dividend |  |  | (210 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net cash provided by financing activities
Financing |  | $ | (140 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 82 |  |  | $ | (58 | ) |  |  |  |
Net change in cash |  | $ | (115 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | (114 | ) |  | Net change in cash
Cash at year end 2011 |  | $ | 48 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 14 |  |  | $ | 62 |  |  | Cash at year end 2011

(a) |  | Includes other and roundings

2011 A-4

#####

Consolidated CMS Energy
2011 Forecasted Consolidation of Consumers Energy and CMS Energy Parent Statements of Cash Flow (in millions) (unaudited)

|  |  |  |  |  |  |  |  |  | Eliminations/Reclassifications to Arrive at the |  |  |  |
|  |  |  |  |  |  |  |  |  | Consolidated Statement of Cash Flows |  |  |  |
Statements of Cash Flows |  |  | Consumers |  |  | Consumers |  |  | Equity |  |  |  |
|  | Consumers |  |  | CMS Parent |  |  | Common Dividend |  |  | Preferred Dividend |  |  | Infusions to |  |  | Consolidated Statements of Cash Flows |
Description |  | Amount |  |  | Amount |  |  | as Financing |  |  | as Operating |  |  | Consumers |  |  | Amount |  |  | Description |
Cash at year end 2010 |  | $ | 71 |  |  | $ | 176 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 247 |  |  | Cash at year end 2010
Net cash provided by operating activities |  | $ | 1,370 |  |  | $ | 162 |  |  | $ | (360 | ) |  | $ | (2 | ) |  | $ | — |  |  | $ | 1,170 |  |  | Net cash provided by operating activities
Net cash provided by investing activities |  |  | (1,063 | ) |  |  | (218 | ) |  |  | — |  |  |  | — |  |  |  | 125 |  |  |  | (1,156 | ) |  | Net cash provided by investing activities
Cash flow from operating and investing activities |  | $ | 307 |  |  | $ | (56 | ) |  | $ | (360 | ) |  | $ | (2 | ) |  | $ | 125 |  |  | $ | 14 |  |  | Cash flow from operating and investing activities
Net cash provided by financing activities |  | $ | (343 | ) |  | $ | (58 | ) |  | $ | 360 |  |  | $ | 2 |  |  | $ | (125 | ) |  | $ | (164 | ) |  | Net cash provided by financing activities
Net change in cash |  | $ | (36 | ) |  | $ | (114 | ) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (150 | ) |  | Net change in cash
Cash at year end 2011 |  | $ | 35 |  |  | $ | 62 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 97 |  |  | Cash at year end 2011

2011 A-5

#####

CMS Energy
2011 Reconciliation of Gross Operating Cash Flow to GAAP Operating Activities
(unaudited)
(mils)

|  | 2011 |
Consumers Operating Income + Depreciation & Amortization |  | $ | 1,525 |
Enterprises Project Cash Flows |  |  | 30 |
Gross Operating Cash Flow |  | $ | 1,555 |
Other operating activities including taxes, interest payments and working capital |  |  | (385 | )
Net cash provided by operating activities |  | $ | 1,170 |

2011 A-6