|        |   | Exact name of registrant as specified in charter, |   |                  |
|-------------|--------|---------------------------------------------------|--------|-----------------------|
| Commission  |   | state of incorporation, address of principal      |   | I.R.S. Employer       |
| File Number |   | executive offices and telephone number            |   | Identification Number |
|        |   |                                              |   |                  |
| 001-32206   |   | GREAT PLAINS ENERGY INCORPORATED                  |   | 43-1916803            |
|        |   | (A Missouri Corporation)                          |   |                  |
|        |   | 1200 Main Street                                  |   |                  |
|        |   | Kansas City, Missouri  64105            |   |                  |
|        |   | (816) 556-2200                                    |   |                  |
|        |   | www.greatplainsenergy.com                         |   |                  |
|        |   |                                              |   |                  |
| 000-51873   |   | KANSAS CITY POWER & LIGHT COMPANY             |   | 44-0308720            |
|        |   | (A Missouri Corporation)                          |   |                  |
|        |   | 1200 Main Street                                  |   |                  |
|        |   | Kansas City, Missouri  64105            |   |                  |
|        |   | (816) 556-2200                                    |   |                  |
|        |   | www.kcpl.com                                      |   |                  |

| Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange                                                       |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been                                                      |
| subject to such filing requirements for the past 90 days.                                                                                                                                            |
| Great Plains Energy Incorporated                                                                                                                                                                     | Yes | X | No | _ |   | Kansas City Power & Light Company | Yes | X |     No | _ |   |   |
|                                                                                                                                                                                                 |   |   |   |   |   |   |   |   |   |   |   |   |
| Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive                                                           |
| Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12                                                         |
| months (or for such shorter period that the registrant was required to submit and post such files).                                                                                                  |
| Great Plains Energy Incorporated                                                                                                                                                                     | Yes | _ | No | _ |   | Kansas City Power & Light Company | Yes | _ |     No | _ |   |   |
|                                                                                                                                                                                                 |   |   |   |   |   |   |   |   |   |   |   |   |
| Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting                                                    |
| company.  See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the                   |
| Exchange Act.                                                                                                                                                                                        |   |   |   |   |   |   |   |
| Great Plains Energy Incorporated                                                                                                                                                                     | Large accelerated filer |  X | Accelerated filer |   _ |   |   |   |
|                                                                                                                                                                                                 | Non-accelerated filer |   _ | Smaller reporting company |   _ |   |   |   |
| Kansas City Power & Light Company                                                                                                                                                                | Large accelerated filer |   _ | Accelerated filer |   _ |   |   |   |
|                                                                                                                                                                                                 | Non-accelerated filer |  X | Smaller reporting company |   _ |   |   |   |
|                                                                                                                                                                                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).                                                                                     |
| Great Plains Energy Incorporated                                                                                                                                                                     | Yes | _ | No | X |   | Kansas City Power & Light Company | Yes | _ |     No | X |   |   |
|                                                                                                                                                                                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| On April 30, 2010, Great Plains Energy Incorporated had 135,540,942 shares of common stock outstanding.  On April 30, 2010,                                                                |
| Kansas City Power & Light Company had one share of common stock outstanding and held by Great Plains Energy Incorporated.                                                                        |
|                                                                                                                                                                                                 |
| Kansas City Power & Light Company meets the conditions set forth in General Instruction (H)(1)(a) and (b) of Form 10-Qand is therefore filing this Form 10-Q with the reduced disclosure format. |

| Abbreviation or Acronym |   | Definition                                                                                                                           |
|-------------------------|--------|--------------------------------------------------------------------------------------------------------------------------------------|
|                    |   |                                                                                                                                 |
| AFUDC                   |   | Allowance for Funds Used During Construction                                                                                         |
| ARO                     |   | Asset Retirement Obligation                                                                                                          |
| BART                    |   | Best available retrofit technology                                                                                                   |
| Board                   |   | Great Plains Energy Board of Directors                                                                                               |
| CAIR                    |   | Clean Air Interstate Rule                                                                                                            |
| CAMR                    |   | Clean Air Mercury Rule                                                                                                               |
| Clean Air Act           |   | Clean Air Act Amendments of 1990                                                                                                     |
| CO2                     |   | Carbon dioxide                                                                                                                       |
| Collaboration Agreement |   | Agreement among KCP&L, the Sierra Club and the Concerned   Citizens of Platte County                              |
| Company                 |   | Great Plains Energy Incorporated and its subsidiaries                                                                                |
| DOE                     |   | Department of Energy                                                                                                                 |
| ECA                     |   | Energy Cost Adjustment                                                                                                               |
| EIRR                    |   | Environmental Improvement Revenue Refunding                                                                                          |
| EPA                     |   | Environmental Protection Agency                                                                                                      |
| EPS                     |   | Earnings per common share                                                                                                            |
| ERISA                   |   | Employee Retirement Income Security Act of 1974, as amended                                                                          |
| FAC                     |   | Fuel Adjustment Clause                                                                                                               |
| FASB                    |   | Financial Accounting Standards Board                                                                                                 |
| FERC                    |   | The Federal Energy Regulatory Commission                                                                                             |
| FGIC                    |   | Financial Guaranty Insurance Company                                                                                                 |
| FSS                     |   | Forward Starting Swaps                                                                                                               |
| GAAP                    |   | Generally Accepted Accounting Principles                                                                                             |
| GMO                     |   | KCP&L Greater Missouri Operations Company, a wholly owned subsidiary of   Great Plains Energy as of July 14, 2008 |
| Great Plains Energy     |   | Great Plains Energy Incorporated and its subsidiaries                                                                                |
| ISO                     |   | Independent System Operator                                                                                                          |
| KCC                     |   | The State Corporation Commission of the State of Kansas                                                                              |
| KCP&L          |   | Kansas City Power & Light Company, a wholly owned subsidiary   of Great Plains Energy                             |
| KDHE                    |   | Kansas Department of Health and Environment                                                                                          |
| KLT Inc.                |   | KLT Inc., a wholly owned subsidiary of Great Plains Energy                                                                           |
| KW                      |   | Kilowatt                                                                                                                             |
| kWh                     |   | Kilowatt hour                                                                                                                        |
| MACT                    |   | Maximum achievable control technology                                                                                                |
| MD&A                |   | Management’s Discussion and Analysis of Financial Condition and                                                                |
|                    |   |    Results of Operations                                                                                              |
| MDNR                    |   | Missouri Department of Natural Resources                                                                                             |
| MGP                     |   | Manufactured gas plant                                                                                                               |
| MISO                    |   | Midwest Independent Transmission System Operator, Inc.                                                                               |
| MPS Merchant            |   | MPS Merchant Services, Inc., a wholly owned subsidiary of GMO                                                                        |
| MPSC                    |   | Public Service Commission of the State of Missouri                                                                                   |
| MW                      |   | Megawatt                                                                                                                             |
| MWh                     |   | Megawatt hour                                                                                                                        |
| NERC                    |   | North American Electric Reliability Corporation                                                                                      |
| NEIL                    |   | Nuclear Electric Insurance Limited                                                                                                   |
|                    |   |                                                                                                                                 |

| Abbreviation or Acronym |   | Definition                                                                                                   |
|-------------------------|--------|--------------------------------------------------------------------------------------------------------------|
|                    |   |                                                                                                         |
| NOx                     |   | Nitrogen oxide                                                                                               |
| NPNS                    |   | Normal purchases and normal sales                                                                            |
| NRC                     |   | Nuclear Regulatory Commission                                                                                |
| NYMEX                   |   | New York Mercantile Exchange                                                                                 |
| OCI                     |   | Other Comprehensive Income                                                                                   |
| PCB                     |   | Polychlorinated biphenyls                                                                                    |
| PPA                     |   | Pension Protection Act of 2006                                                                               |
| PRB                     |   | Powder River Basin                                                                                           |
| QCA                     |   | Quarterly Cost Adjustment                                                                                    |
| Receivables Company     |   | Kansas City Power & Light Receivables Company, a wholly owned   subsidiary of KCP&L   |
| RTO                     |   | Regional Transmission Organization                                                                           |
| SCR                     |   | Selective catalytic reduction                                                                                |
| SEC                     |   | Securities and Exchange Commission                                                                           |
| SERP                    |   | Supplemental Executive Retirement Plan                                                                       |
| Services                |   | Great Plains Energy Services Incorporated, a wholly owned subsidiary of   Great Plains Energy |
| SO2                     |   | Sulfur dioxide                                                                                               |
| SPP                     |   | Southwest Power Pool, Inc.                                                                                   |
| Syncora                 |   | Syncora Guarantee Inc.                                                                                       |
| T - Lock                |   | Treasury Lock                                                                                                |
| Union Pacific           |   | Union Pacific Railroad Company                                                                               |
| WCNOC                   |   | Wolf Creek Nuclear Operating Corporation                                                                     |
| Westar                  |   | Westar Energy, Inc., a Kansas utility company                                                                |
| Wolf Creek              |   | Wolf Creek Generating Station                                                                                |

| Note 1:  | Summary of Significant Accounting Policies                |
|----------|-----------------------------------------------------------|
| Note 2:  | Supplemental Cash Flow Information                        |
| Note 3:  | Receivables                                               |
| Note 4:  | Assets Held For Sale                                      |
| Note 5:  | Nuclear Plant                                             |
| Note 6:  | Regulatory Matters                                        |
| Note 7:  | Pension Plans and Other Employee Benefits                 |
| Note 8:  | Equity Compensation                                       |
| Note 9:  | Short-Term Borrowings and Short-Term Bank Lines of Credit |
| Note 10: | Long-Term Debt                                            |
| Note 11: | Commitments and Contingencies                             |
| Note 12: | Legal Proceedings                                         |
| Note 13: | Related Party Transactions and Relationships              |
| Note 14: | Derivative Instruments                                    |
| Note 15: | Fair Value Measurements                                   |
| Note 16: | Taxes                                                     |
| Note 17: | Segments and Related Information                          |

| GREAT PLAINS ENERGY INCORPORATED                                                                      |
|-------------------------------------------------------------------------------------------------------|
| Consolidated Balance Sheets                                                                           |
| (Unaudited)                                                                                           |
|                                                                                                  |   |   |   |   |
|                                                                                                  | March 31 | December 31 |
|                                                                                                  | 2010 | 2009 |
| ASSETS                                                                                                | (millions, except share amounts) |
| Current Assets                                                                                        |   |   |   |   |
| Cash and cash equivalents                                                                             | $ | 6.3 |   | $ | 65.9 |   |
| Funds on deposit                                                                                      |   | 5.0 |   |   | 4.4 |   |
| Receivables, net                                                                                      |   | 189.7 |   |   | 230.5 |   |
| Accounts receivable pledged as collateral                                                             |   | 95.0 |   |   | - |   |
| Fuel inventories, at average cost                                                                     |   | 85.4 |   |   | 85.0 |   |
| Materials and supplies, at average cost                                                               |   | 127.8 |   |   | 121.3 |   |
| Deferred refueling outage costs                                                                       |   | 16.6 |   |   | 19.5 |   |
| Refundable income taxes                                                                               |   | 13.4 |   |   | 13.5 |   |
| Deferred income taxes                                                                                 |   | 39.8 |   |   | 36.8 |   |
| Assets held for sale (Note 4)                                                                         |   | 18.8 |   |   | 19.4 |   |
| Derivative instruments                                                                                |   | 1.2 |   |   | 1.5 |   |
| Prepaid expenses and other assets                                                                     |   | 15.4 |   |   | 14.7 |   |
| Total                                                                                                 |   | 614.4 |   |   | 612.5 |   |
| Utility Plant, at Original Cost                                                                       |   |   |   |   |   |   |
| Electric                                                                                              |   | 8,915.0 |   |   | 8,849.0 |   |
| Less-accumulated depreciation                                                                         |   | 3,841.1 |   |   | 3,774.5 |   |
| Net utility plant in service                                                                          |   | 5,073.9 |   |   | 5,074.5 |   |
| Construction work in progress                                                                         |   | 1,576.7 |   |   | 1,508.4 |   |
| Nuclear fuel, net of amortization of $112.1 and $106.0                                                |   | 73.4 |   |   | 68.2 |   |
| Total                                                                                                 |   | 6,724.0 |   |   | 6,651.1 |   |
| Investments and Other Assets                                                                          |   |   |   |   |   |   |
| Affordable housing limited partnerships                                                               |   | 13.1 |   |   | 13.2 |   |
| Nuclear decommissioning trust fund                                                                    |   | 117.8 |   |   | 112.5 |   |
| Regulatory assets                                                                                     |   | 841.6 |   |   | 822.2 |   |
| Goodwill                                                                                              |   | 169.0 |   |   | 169.0 |   |
| Derivative instruments                                                                                |   | 9.9 |   |   | 7.9 |   |
| Other                                                                                                 |   | 94.7 |   |   | 94.4 |   |
| Total                                                                                                 |   | 1,246.1 |   |   | 1,219.2 |   |
| Total                                                                                                 | $ | 8,584.5 |   | $ | 8,482.8 |   |
|                                                                                                  |   |   |   |   |   |   |
| The accompanying Notes to Consolidated Financial Statements are an integral part of these statements. |

| GREAT PLAINS ENERGY INCORPORATED                                                                      |
|-------------------------------------------------------------------------------------------------------|
| Consolidated Balance Sheets                                                                           |
| (Unaudited)                                                                                           |
|                                                                                                  |   |   |   |   |
|                                                                                                  | March 31 | December 31 |
|                                                                                                  | 2010 | 2009 |
| LIABILITIES AND CAPITALIZATION                                                                        | (millions, except share amounts) |
| Current Liabilities                                                                                   |   |   |   |   |
| Notes payable                                                                                         | $ | 309.5 |   | $ | 252.0 |   |
| Collateralized note payable                                                                           |   | 95.0 |   |   | - |   |
| Commercial paper                                                                                      |   | 204.0 |   |   | 186.6 |   |
| Current maturities of long-term debt                                                                  |   | 138.6 |   |   | 1.3 |   |
| Accounts payable                                                                                      |   | 210.8 |   |   | 315.0 |   |
| Accrued taxes                                                                                         |   | 50.4 |   |   | 27.9 |   |
| Accrued interest                                                                                      |   | 71.0 |   |   | 72.5 |   |
| Accrued compensation and benefits                                                                     |   | 34.8 |   |   | 45.1 |   |
| Pension and post-retirement liability                                                                 |   | 4.6 |   |   | 4.6 |   |
| Derivative instruments                                                                                |   | 2.4 |   |   | 0.3 |   |
| Other                                                                                                 |   | 52.1 |   |   | 53.0 |   |
| Total                                                                                                 |   | 1,173.2 |   |   | 958.3 |   |
| Deferred Credits and Other Liabilities                                                                |   |   |   |   |   |   |
| Deferred income taxes                                                                                 |   | 402.1 |   |   | 381.9 |   |
| Deferred tax credits                                                                                  |   | 144.2 |   |   | 140.5 |   |
| Asset retirement obligations                                                                          |   | 134.7 |   |   | 132.6 |   |
| Pension and post-retirement liability                                                                 |   | 448.5 |   |   | 440.4 |   |
| Regulatory liabilities                                                                                |   | 242.3 |   |   | 237.8 |   |
| Derivative instruments                                                                                |   | 5.7 |   |   | 0.5 |   |
| Other                                                                                                 |   | 145.7 |   |   | 145.1 |   |
| Total                                                                                                 |   | 1,523.2 |   |   | 1,478.8 |   |
| Capitalization                                                                                        |   |   |   |   |   |   |
| Great Plains Energy common shareholders' equity                                                       |   |   |   |   |   |   |
| Common stock-250,000,000 shares authorized without par value                                          |   |   |   |   |   |   |
| 135,827,383 and 135,636,538 shares issued, stated value                                               |   | 2,316.3 |   |   | 2,313.7 |   |
| Retained earnings                                                                                     |   | 520.9 |   |   | 529.2 |   |
| Treasury stock-305,989 and 213,423 shares, at cost                                                    |   | (7.1 | ) |   | (5.5 | ) |
| Accumulated other comprehensive loss                                                                  |   | (48.2 | ) |   | (44.9 | ) |
| Total                                                                                                 |   | 2,781.9 |   |   | 2,792.5 |   |
| Noncontrolling interest                                                                               |   | 1.2 |   |   | 1.2 |   |
| Cumulative preferred stock $100 par value                                                             |   |   |   |   |   |   |
| 3.80% - 100,000 shares issued                                                                         |   | 10.0 |   |   | 10.0 |   |
| 4.50% - 100,000 shares issued                                                                         |   | 10.0 |   |   | 10.0 |   |
| 4.20% - 70,000 shares issued                                                                          |   | 7.0 |   |   | 7.0 |   |
| 4.35% - 120,000 shares issued                                                                         |   | 12.0 |   |   | 12.0 |   |
| Total                                                                                                 |   | 39.0 |   |   | 39.0 |   |
| Long-term debt (Note 10)                                                                              |   | 3,066.0 |   |   | 3,213.0 |   |
| Total                                                                                                 |   | 5,888.1 |   |   | 6,045.7 |   |
| Commitments and Contingencies (Note 11)                                                               |   |   |   |   |   |   |
| Total                                                                                                 | $ | 8,584.5 |   | $ | 8,482.8 |   |
|                                                                                                  |   |   |   |   |   |   |
| The accompanying Notes to Consolidated Financial Statements are an integral part of these statements. |

| GREAT PLAINS ENERGY INCORPORATED                                                                      |
|-------------------------------------------------------------------------------------------------------|
| Consolidated Statements of Income                                                                     |
| (Unaudited)                                                                                           |
|                                                                                                  |   |   |   |   |
| Three Months Ended March 31                                                                           | 2010 | 2009 |
| Operating Revenues                                                                                    | (millions, except per share amounts) |
| Electric revenues                                                                                     | $ | 506.9 |   | $ | 419.2 |   |
| Operating Expenses                                                                                    |   |   |   |   |   |   |
| Fuel                                                                                                  |   | 101.8 |   |   | 87.6 |   |
| Purchased power                                                                                       |   | 65.5 |   |   | 57.2 |   |
| Transmission of electricity by others                                                                 |   | 5.6 |   |   | 6.0 |   |
| Utility operating and maintenance expenses                                                            |   | 151.2 |   |   | 140.9 |   |
| Depreciation and amortization                                                                         |   | 82.2 |   |   | 69.0 |   |
| General taxes                                                                                         |   | 38.1 |   |   | 34.7 |   |
| Other                                                                                                 |   | 0.5 |   |   | 2.9 |   |
| Total                                                                                                 |   | 444.9 |   |   | 398.3 |   |
| Operating income                                                                                      |   | 62.0 |   |   | 20.9 |   |
| Non-operating income                                                                                  |   | 16.1 |   |   | 12.8 |   |
| Non-operating expenses                                                                                |   | (1.6 | ) |   | (0.9 | ) |
| Interest charges                                                                                      |   | (46.5 | ) |   | (37.3 | ) |
| Income (loss) before income tax (expense) benefit and loss                                            |   |   |   |   |   |   |
| from equity investments                                                                               |   | 30.0 |   |   | (4.5 | ) |
| Income tax (expense) benefit                                                                          |   | (9.7 | ) |   | 26.3 |   |
| Loss from equity investments, net of income taxes                                                     |   | - |   |   | (0.1 | ) |
| Net income                                                                                            |   | 20.3 |   |   | 21.7 |   |
| Preferred stock dividend requirements                                                                 |   | 0.4 |   |   | 0.4 |   |
| Earnings available for common shareholders                                                            | $ | 19.9 |   | $ | 21.3 |   |
|                                                                                                  |   |   |   |   |   |   |
| Average number of basic common shares outstanding                                                     |   | 134.9 |   |   | 119.2 |   |
|                                                                                                  |   |   |   |   |   |   |
| Basic and diluted earnings per common share                                                           | $ | 0.15 |   | $ | 0.18 |   |
|                                                                                                  |   |   |   |   |   |   |
| Cash dividends per common share                                                                       | $ | 0.2075 |   | $ | 0.2075 |   |
|                                                                                                  |   |   |   |   |   |   |
| The accompanying Notes to Consolidated Financial Statements are an integral part of these statements. |

| GREAT PLAINS ENERGY INCORPORATED                                                                      |
|-------------------------------------------------------------------------------------------------------|
| Consolidated Statements of Cash Flows                                                                 |
| (Unaudited)                                                                                           |
|                                                                                                  |   |   |   |   |
| Three Months Ended March 31                                                                           | 2010 | 2009 |
| Cash Flows from Operating Activities                                                                  | (millions) |
| Net income                                                                                            | $ | 20.3 |   | $ | 21.7 |   |
| Adjustments to reconcile income to net cash from operating activities:                                |   |   |   |   |   |   |
| Depreciation and amortization                                                                         |   | 82.2 |   |   | 69.0 |   |
| Amortization of:                                                                                      |   |   |   |   |   |   |
| Nuclear fuel                                                                                          |   | 6.1 |   |   | 4.4 |   |
| Other                                                                                                 |   | (1.9 | ) |   | (3.9 | ) |
| Deferred income taxes, net                                                                            |   | 4.7 |   |   | (23.2 | ) |
| Investment tax credit amortization                                                                    |   | (0.5 | ) |   | (0.6 | ) |
| Loss from equity investments, net of income taxes                                                     |   | - |   |   | 0.1 |   |
| Other operating activities (Note 2)                                                                   |   | (119.7 | ) |   | (64.0 | ) |
| Net cash from operating activities                                                                    |   | (8.8 | ) |   | 3.5 |   |
| Cash Flows from Investing Activities                                                                  |   |   |   |   |   |   |
| Utility capital expenditures                                                                          |   | (176.9 | ) |   | (303.1 | ) |
| Allowance for borrowed funds used during construction                                                 |   | (9.7 | ) |   | (9.6 | ) |
| Payment to Black Hills for asset sale working capital adjustment                                      |   | - |   |   | (7.7 | ) |
| Purchases of nuclear decommissioning trust investments                                                |   | (65.8 | ) |   | (12.8 | ) |
| Proceeds from nuclear decommissioning trust investments                                               |   | 64.9 |   |   | 11.8 |   |
| Other investing activities                                                                            |   | (2.6 | ) |   | 2.6 |   |
| Net cash from investing activities                                                                    |   | (190.1 | ) |   | (318.8 | ) |
| Cash Flows from Financing Activities                                                                  |   |   |   |   |   |   |
| Issuance of common stock                                                                              |   | 1.6 |   |   | 52.6 |   |
| Issuance of long-term debt                                                                            |   | - |   |   | 406.8 |   |
| Issuance fees                                                                                         |   | - |   |   | (3.8 | ) |
| Repayment of long-term debt                                                                           |   | (1.1 | ) |   | (1.3 | ) |
| Net change in short-term borrowings                                                                   |   | 74.9 |   |   | (90.0 | ) |
| Net change in collateralized short-term borrowings                                                    |   | 95.0 |   |   | - |   |
| Dividends paid                                                                                        |   | (28.5 | ) |   | (25.2 | ) |
| Other financing activities                                                                            |   | (2.6 | ) |   | (1.6 | ) |
| Net cash from financing activities                                                                    |   | 139.3 |   |   | 337.5 |   |
| Net Change in Cash and Cash Equivalents                                                               |   | (59.6 | ) |   | 22.2 |   |
| Cash and Cash Equivalents at Beginning of Year                                                        |   | 65.9 |   |   | 61.1 |   |
| Cash and Cash Equivalents at End of Period                                                            | $ | 6.3 |   | $ | 83.3 |   |
|                                                                                                  |   |   |   |   |   |   |
| The accompanying Notes to Consolidated Financial Statements are an integral part of these statements. |

| GREAT PLAINS ENERGY INCORPORATED                                                                      |
|-------------------------------------------------------------------------------------------------------|
| Consolidated Statements of Common Shareholders' Equity and Noncontrolling Interest                    |
| (Unaudited)                                                                                           |
|                                                                                                  |   |   |   |   |   |   |   |   |
| Three Months Ended March 31                                                                           | 2010 | 2009 |
|                                                                                                  | Shares | Amount | Shares | Amount |
| Common Stock                                                                                          | (millions, except share amounts) |
| Beginning balance                                                                                     |   | 135,636,538 |   | $ | 2,313.7 |   |   | 119,375,923 |   | $ | 2,118.4 |   |
| Issuance of common stock                                                                              |   | 92,634 |   |   | 1.7 |   |   | 4,009,498 |   |   | 52.8 |   |
| Issuance of restricted common stock                                                                   |   | 98,211 |   |   | 1.8 |   |   | 6,000 |   |   | 0.1 |   |
| Equity compensation expense, net of forfeitures                                                       |   |   |   |   | - |   |   |   |   |   | 0.8 |   |
| Unearned Compensation                                                                                 |   |   |   |   |   |   |   |   |   |   |   |   |
| Issuance of restricted common stock                                                                   |   |   |   |   | (1.8 | ) |   |   |   |   | (0.1 | ) |
| Forfeiture of restricted common stock                                                                 |   |   |   |   | 0.2 |   |   |   |   |   | 0.8 |   |
| Compensation expense recognized                                                                       |   |   |   |   | 0.7 |   |   |   |   |   | 1.0 |   |
| Other                                                                                                 |   |   |   |   | - |   |   |   |   |   | (0.9 | ) |
| Ending balance                                                                                        |   | 135,827,383 |   |   | 2,316.3 |   |   | 123,391,421 |   |   | 2,172.9 |   |
| Retained Earnings                                                                                     |   |   |   |   |   |   |   |   |   |   |   |   |
| Beginning balance                                                                                     |   |   |   |   | 529.2 |   |   |   |   |   | 489.3 |   |
| Net income                                                                                            |   |   |   |   | 20.3 |   |   |   |   |   | 21.7 |   |
| Dividends:                                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |
| Common stock                                                                                          |   |   |   |   | (28.1 | ) |   |   |   |   | (24.8 | ) |
| Preferred stock - at required rates                                                                   |   |   |   |   | (0.4 | ) |   |   |   |   | (0.4 | ) |
| Performance shares                                                                                    |   |   |   |   | (0.1 | ) |   |   |   |   | - |   |
| Ending balance                                                                                        |   |   |   |   | 520.9 |   |   |   |   |   | 485.8 |   |
| Treasury Stock                                                                                        |   |   |   |   |   |   |   |   |   |   |   |   |
| Beginning balance                                                                                     |   | (213,423 | ) |   | (5.5 | ) |   | (120,677 | ) |   | (3.6 | ) |
| Treasury shares acquired                                                                              |   | (93,483 | ) |   | (1.6 | ) |   | (116,526 | ) |   | (2.6 | ) |
| Treasury shares reissued                                                                              |   | 917 |   |   | - |   |   | 508 |   |   | - |   |
| Ending balance                                                                                        |   | (305,989 | ) |   | (7.1 | ) |   | (236,695 | ) |   | (6.2 | ) |
| Accumulated Other Comprehensive Income (Loss)                                                         |   |   |   |   |   |   |   |   |   |   |   |   |
| Beginning balance                                                                                     |   |   |   |   | (44.9 | ) |   |   |   |   | (53.5 | ) |
| Derivative hedging activity, net of tax                                                               |   |   |   |   | (3.3 | ) |   |   |   |   | 0.8 |   |
| Ending balance                                                                                        |   |   |   |   | (48.2 | ) |   |   |   |   | (52.7 | ) |
| Total Great Plains Energy Common Shareholders' Equity                                                 |   | $ | 2,781.9 |   |   |   |   | $ | 2,599.8 |   |
|                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |
| Noncontrolling Interest                                                                               |   |   |   | $ | 1.2 |   |   |   |   | $ | 1.0 |   |
|                                                                                                  |
| The accompanying Notes to Consolidated Financial Statements are an integral part of these statements. |

| GREAT PLAINS ENERGY INCORPORATED                                                                      |
|-------------------------------------------------------------------------------------------------------|
| Consolidated Statements of Comprehensive Income                                                       |
| (Unaudited)                                                                                           |
|                                                                                                  |   |   |   |   |
| Three Months Ended March 31                                                                           | 2010 | 2009 |
|                                                                                                  |   |   |   |   |
| Net income                                                                                            | $ | 20.3 |   | $ | 21.7 |   |
| Other comprehensive income (loss)                                                                     |   |   |   |   |   |   |
| Gain (loss) on derivative hedging instruments                                                         |   | (7.8 | ) |   | - |   |
| Income tax benefit (expense)                                                                          |   | 3.1 |   |   | - |   |
| Net gain (loss) on derivative hedging instruments                                                     |   | (4.7 | ) |   | - |   |
| Reclassification to expenses, net of tax                                                              |   | 1.4 |   |   | 0.8 |   |
| Derivative hedging activity, net of tax                                                               |   | (3.3 | ) |   | 0.8 |   |
| Comprehensive income                                                                                  | $ | 17.0 |   | $ | 22.5 |   |
|                                                                                                  |   |   |   |   |   |   |
| The accompanying Notes to Consolidated Financial Statements are an integral part of these statements. |

| KANSAS CITY POWER & LIGHT COMPANY                                                                       |
|-------------------------------------------------------------------------------------------------------------|
| Consolidated Balance Sheets                                                                                 |
| (Unaudited)                                                                                                 |
|                                                                                                        |   |   |   |   |
|                                                                                                        | March 31 | December 31 |
|                                                                                                        | 2010 | 2009 |
| ASSETS                                                                                                      | (millions, except share amounts) |
| Current Assets                                                                                              |   |   |   |   |
| Cash and cash equivalents                                                                                   | $ | 2.3 |   | $ | 17.4 |   |
| Funds on deposit                                                                                            |   | 0.2 |   |   | 0.1 |   |
| Receivables, net                                                                                            |   | 115.4 |   |   | 161.7 |   |
| Accounts receivable pledged as collateral                                                                   |   | 95.0 |   |   | - |   |
| Fuel inventories, at average cost                                                                           |   | 47.4 |   |   | 45.6 |   |
| Materials and supplies, at average cost                                                                     |   | 89.0 |   |   | 84.8 |   |
| Deferred refueling outage costs                                                                             |   | 16.6 |   |   | 19.5 |   |
| Deferred income taxes                                                                                       |   | 3.5 |   |   | 0.3 |   |
| Derivative instruments                                                                                      |   | - |   |   | 0.2 |   |
| Prepaid expenses and other assets                                                                           |   | 12.7 |   |   | 11.0 |   |
| Total                                                                                                       |   | 382.1 |   |   | 340.6 |   |
| Utility Plant, at Original Cost                                                                             |   |   |   |   |   |   |
| Electric                                                                                                    |   | 6,308.0 |   |   | 6,258.5 |   |
| Less-accumulated depreciation                                                                               |   | 2,950.5 |   |   | 2,899.0 |   |
| Net utility plant in service                                                                                |   | 3,357.5 |   |   | 3,359.5 |   |
| Construction work in progress                                                                               |   | 1,194.1 |   |   | 1,144.1 |   |
| Nuclear fuel, net of amortization of $112.1 and $106.0                                                      |   | 73.4 |   |   | 68.2 |   |
| Total                                                                                                       |   | 4,625.0 |   |   | 4,571.8 |   |
| Investments and Other Assets                                                                                |   |   |   |   |   |   |
| Nuclear decommissioning trust fund                                                                          |   | 117.8 |   |   | 112.5 |   |
| Regulatory assets                                                                                           |   | 621.8 |   |   | 612.1 |   |
| Other                                                                                                       |   | 59.8 |   |   | 65.3 |   |
| Total                                                                                                       |   | 799.4 |   |   | 789.9 |   |
| Total                                                                                                       | $ | 5,806.5 |   | $ | 5,702.3 |   |
|                                                                                                        |   |   |   |   |   |   |
| The disclosures regarding KCP&L included in the accompanying Notes to Consolidated Financial Statements |
| are an integral part of these statements.                                                                   |

| KANSAS CITY POWER & LIGHT COMPANY                                                                       |
|-------------------------------------------------------------------------------------------------------------|
| Consolidated Balance Sheets                                                                                 |
| (Unaudited)                                                                                                 |
|                                                                                                        |   |   |   |   |
|                                                                                                        | March 31 | December 31 |
|                                                                                                        | 2010 | 2009 |
| LIABILITIES AND CAPITALIZATION                                                                              | (millions, except share amounts) |
| Current Liabilities                                                                                         |   |   |   |   |
| Collateralized note payable                                                                                 | $ | 95.0 |   | $ | - |   |
| Commercial paper                                                                                            |   | 204.0 |   |   | 186.6 |   |
| Current maturities of long-term debt                                                                        |   | 0.2 |   |   | 0.2 |   |
| Accounts payable                                                                                            |   | 168.6 |   |   | 237.9 |   |
| Accrued taxes                                                                                               |   | 59.0 |   |   | 23.7 |   |
| Accrued interest                                                                                            |   | 38.8 |   |   | 26.7 |   |
| Accrued compensation and benefits                                                                           |   | 34.8 |   |   | 45.1 |   |
| Pension and post-retirement liability                                                                       |   | 3.2 |   |   | 3.2 |   |
| Other                                                                                                       |   | 25.5 |   |   | 26.1 |   |
| Total                                                                                                       |   | 629.1 |   |   | 549.5 |   |
| Deferred Credits and Other Liabilities                                                                      |   |   |   |   |   |   |
| Deferred income taxes                                                                                       |   | 561.6 |   |   | 559.4 |   |
| Deferred tax credits                                                                                        |   | 139.5 |   |   | 135.7 |   |
| Asset retirement obligations                                                                                |   | 121.8 |   |   | 119.8 |   |
| Pension and post-retirement liability                                                                       |   | 429.4 |   |   | 421.2 |   |
| Regulatory liabilities                                                                                      |   | 130.2 |   |   | 126.9 |   |
| Other                                                                                                       |   | 83.0 |   |   | 78.2 |   |
| Total                                                                                                       |   | 1,465.5 |   |   | 1,441.2 |   |
| Capitalization                                                                                              |   |   |   |   |   |   |
| Common shareholder's equity                                                                                 |   |   |   |   |   |   |
| Common stock-1,000 shares authorized without par value                                                      |   |   |   |   |   |   |
| 1 share issued, stated value                                                                                |   | 1,563.1 |   |   | 1,563.1 |   |
| Retained earnings                                                                                           |   | 409.3 |   |   | 410.1 |   |
| Accumulated other comprehensive loss                                                                        |   | (40.4 | ) |   | (41.5 | ) |
| Total                                                                                                       |   | 1,932.0 |   |   | 1,931.7 |   |
| Long-term debt (Note 10)                                                                                    |   | 1,779.9 |   |   | 1,779.9 |   |
| Total                                                                                                       |   | 3,711.9 |   |   | 3,711.6 |   |
| Commitments and Contingencies (Note 11)                                                                     |   |   |   |   |   |   |
| Total                                                                                                       | $ | 5,806.5 |   | $ | 5,702.3 |   |
|                                                                                                        |   |   |   |   |   |   |
| The disclosures regarding KCP&L included in the accompanying Notes to Consolidated Financial Statements |
| are an integral part of these statements.                                                                   |

| KANSAS CITY POWER & LIGHT COMPANY                                                  |
|----------------------------------------------------------------------------------------|
| Consolidated Statements of Income                                                      |
| (Unaudited)                                                                            |
|                                                                                   |   |   |   |   |
| Three Months Ended March 31                                                            | 2010 | 2009 |
| Operating Revenues                                                                     | (millions) |
| Electric revenues                                                                      | $ | 335.6 |   | $ | 277.5 |   |
| Operating Expenses                                                                     |   |   |   |   |   |   |
| Fuel                                                                                   |   | 61.5 |   |   | 52.7 |   |
| Purchased power                                                                        |   | 27.3 |   |   | 24.4 |   |
| Transmission of electricty by others                                                   |   | 2.9 |   |   | 2.9 |   |
| Operating and maintenance expenses                                                     |   | 108.7 |   |   | 100.8 |   |
| Depreciation and amortization                                                          |   | 63.5 |   |   | 51.6 |   |
| General taxes                                                                          |   | 31.2 |   |   | 30.3 |   |
| Other                                                                                  |   | - |   |   | (0.1 | ) |
| Total                                                                                  |   | 295.1 |   |   | 262.6 |   |
| Operating income                                                                       |   | 40.5 |   |   | 14.9 |   |
| Non-operating income                                                                   |   | 8.8 |   |   | 9.2 |   |
| Non-operating expenses                                                                 |   | (0.8 | ) |   | (1.1 | ) |
| Interest charges                                                                       |   | (21.7 | ) |   | (17.2 | ) |
| Income before income tax (expense) benefit                                             |   | 26.8 |   |   | 5.8 |   |
| Income tax (expense) benefit                                                           |   | (7.6 | ) |   | 2.6 |   |
| Net income                                                                             | $ | 19.2 |   | $ | 8.4 |   |
|                                                                                   |   |   |   |   |   |   |
| The disclosures regarding KCP&L included in the accompanying Notes to Consolidated |
| Financial Statements are an integral part of these statements.                         |

| KANSAS CITY POWER & LIGHT COMPANY                                                            |
|--------------------------------------------------------------------------------------------------|
| Consolidated Statements of Cash Flows                                                            |
| (Unaudited)                                                                                      |
|                                                                                             |   |   |   |   |
| Three Months Ended March 31                                                                      | 2010 | 2009 |
| Cash Flows from Operating Activities                                                             | (millions) |
| Net income                                                                                       | $ | 19.2 |   | $ | 8.4 |   |
| Adjustments to reconcile income to net cash from operating activities:                           |   |   |   |   |
| Depreciation and amortization                                                                    |   | 63.5 |   |   | 51.6 |   |
| Amortization of:                                                                                 |   |   |   |   |   |   |
| Nuclear fuel                                                                                     |   | 6.1 |   |   | 4.4 |   |
| Other                                                                                            |   | 5.6 |   |   | 3.5 |   |
| Deferred income taxes, net                                                                       |   | (16.1 | ) |   | (8.6 | ) |
| Investment tax credit amortization                                                               |   | (0.4 | ) |   | (0.4 | ) |
| Other operating activities (Note 2)                                                              |   | (57.1 | ) |   | (70.5 | ) |
| Net cash from operating activities                                                               |   | 20.8 |   |   | (11.6 | ) |
| Cash Flows from Investing Activities                                                             |   |   |   |   |   |   |
| Utility capital expenditures                                                                     |   | (131.2 | ) |   | (232.4 | ) |
| Allowance for borrowed funds used during construction                                            |   | (7.8 | ) |   | (7.8 | ) |
| Purchases of nuclear decommissioning trust investments                                           |   | (65.8 | ) |   | (12.8 | ) |
| Proceeds from nuclear decommissioning trust investments                                          |   | 64.9 |   |   | 11.8 |   |
| Net money pool lending                                                                           |   | 6.0 |   |   | - |   |
| Other investing activities                                                                       |   | (2.1 | ) |   | 3.4 |   |
| Net cash from investing activities                                                               |   | (136.0 | ) |   | (237.8 | ) |
| Cash Flows from Financing Activities                                                             |   |   |   |   |   |   |
| Issuance of long-term debt                                                                       |   | - |   |   | 406.8 |   |
| Issuance fees                                                                                    |   | - |   |   | (3.3 | ) |
| Net change in short-term borrowings                                                              |   | 17.4 |   |   | (171.6 | ) |
| Net change in collateralized short-term borrowings                                               |   | 95.0 |   |   | - |   |
| Net money pool borrowings                                                                        |   | 7.7 |   |   | - |   |
| Dividends paid to Great Plains Energy                                                            |   | (20.0 | ) |   | (18.0 | ) |
| Equity contribution from Great Plains Energy                                                     |   | - |   |   | 40.0 |   |
| Net cash from financing activities                                                               |   | 100.1 |   |   | 253.9 |   |
| Net Change in Cash and Cash Equivalents                                                          |   | (15.1 | ) |   | 4.5 |   |
| Cash and Cash Equivalents at Beginning of Year                                                   |   | 17.4 |   |   | 5.4 |   |
| Cash and Cash Equivalents at End of Period                                                       | $ | 2.3 |   | $ | 9.9 |   |
|                                                                                             |   |   |   |   |   |   |
| The disclosures regarding KCP&L included in the accompanying Notes to Consolidated Financial |
| Statements are an integral part of these statements.                                             |

| KANSAS CITY POWER & LIGHT COMPANY                                                                              |
|--------------------------------------------------------------------------------------------------------------------|
| Consolidated Statements of Common Shareholder's Equity                                                             |
| (Unaudited)                                                                                                        |
|                                                                                                               |   |   |   |   |   |   |   |   |
|                                                                                                               |   |   |   |   |   |   |   |   |
| Three Months Ended March 31                                                                                        | 2010 | 2009 |
|                                                                                                               | Shares | Amount | Shares | Amount |
| Common Stock                                                                                                       | (millions, except share amounts) |   |
| Beginning balance                                                                                                  |   | 1 |   | $ | 1,563.1 |   |   | 1 |   | $ | 1,315.6 |   |
| Equity contribution from Great Plains Energy                                                                       |   |   |   |   | - |   |   |   |   |   | 40.0 |   |
| Ending balance                                                                                                     |   | 1 |   |   | 1,563.1 |   |   | 1 |   |   | 1,355.6 |   |
| Retained Earnings                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |
| Beginning balance                                                                                                  |   |   |   |   | 410.1 |   |   |   |   |   | 353.2 |   |
| Net income                                                                                                         |   |   |   |   | 19.2 |   |   |   |   |   | 8.4 |   |
| Dividends:                                                                                                         |   |   |   |   |   |   |   |   |   |   |   |   |
| Common stock held by Great Plains Energy                                                                           |   |   |   |   | (20.0 | ) |   |   |   |   | (18.0 | ) |
| Ending balance                                                                                                     |   |   |   |   | 409.3 |   |   |   |   |   | 343.6 |   |
| Accumulated Other Comprehensive Income (Loss)                                                                      |   |   |   |   |   |   |   |   |   |   |   |   |
| Beginning balance                                                                                                  |   |   |   |   | (41.5 | ) |   |   |   |   | (46.9 | ) |
| Derivative hedging activity, net of tax                                                                            |   |   |   |   | 1.1 |   |   |   |   |   | 0.6 |   |
| Ending balance                                                                                                     |   |   |   |   | (40.4 | ) |   |   |   |   | (46.3 | ) |
| Total Common Shareholder's Equity                                                                                  |   |   |   | $ | 1,932.0 |   |   |   |   | $ | 1,652.9 |   |
|                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |
| The disclosures regarding KCP&L included in the accompanying Notes to Consolidated Financial Statements are an |
| integral part of these statements.                                                                                 |

| KANSAS CITY POWER & LIGHT COMPANY                                                  |
|----------------------------------------------------------------------------------------|
| Consolidated Statements of Comprehensive Income                                        |
| (Unaudited)                                                                            |
|                                                                                   |   |   |   |   |
| Three Months Ended March 31                                                            | 2010 | 2009 |
|                                                                                   |   |   |   |   |
| Net income                                                                             | $ | 19.2 |   | $ | 8.4 |   |
| Other comprehensive income (loss)                                                      |   |   |   |   |   |   |
| Gain (loss) on derivative hedging instruments                                          |   | (0.4 | ) |   | - |   |
| Income tax benefit                                                                     |   | 0.2 |   |   | - |   |
| Net gain (loss) on derivative hedging instruments                                      |   | (0.2 | ) |   | - |   |
| Reclassification to expenses, net of tax                                               |   | 1.3 |   |   | 0.6 |   |
| Derivative hedging activity, net of tax                                                |   | 1.1 |   |   | 0.6 |   |
| Comprehensive income                                                                   | $ | 20.3 |   | $ | 9.0 |   |
|                                                                                   |   |   |   |   |   |   |
| The disclosures regarding KCP&L included in the accompanying Notes to Consolidated |
| Financial Statements are an integral part of these statements.                         |

| 1.   | SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
|----------------|--------------------------------------------|

| ·   | KCP&L is an integrated, regulated electric utility that provides electricity to customers primarily in the states of Missouri and Kansas.  KCP&L has one active wholly owned subsidiary, Kansas City Power & Light Receivables Company (Receivables Company). |
|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | KCP&L Greater Missouri Operations Company (GMO) is an integrated, regulated electric utility that primarily provides electricity to customers in the state of Missouri.  GMO also provides regulated steam service to certain customers in the St. Joseph, Missouri area.  GMO wholly owns MPS Merchant Services, Inc. (MPS Merchant), which has certain long-term natural gas contracts remaining from its former non-regulated trading operations. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy Services Incorporated (Services) obtains certain goods and third-party services for its affiliated companies. |
|--------------------|-----------------------------------------------------------------------------------------------------------------------------------|

| ·   | KLT Inc. is an intermediate holding company that primarily holds investments in affordable housing limited partnerships. |
|--------------------|--------------------------------------------------------------------------------------------------------------------------|

|                                                |                                 |   |   |   |   |   |
|-----------------------------------------------------|--------------------------------------|--------|--------|--------|--------|--------|
| Three Months Ended March 31                         |                                 | 2010   |   |   | 2009   |   |
| Income                                              | (millions, except per share amounts) |
| Net income                                          |                                 | $      | 20.3   |   |   | $      | 21.7 |   |
| Less: preferred stock dividend requirements         |                                 |   | 0.4    |   |   |   | 0.4 |   |
| Earnings available for common shareholders          |                                 | $      | 19.9   |   |   | $      | 21.3 |   |
| Common Shares Outstanding                           |                                 |   |   |   |   |   |   |   |
| Average number of common shares outstanding         |                                 |   | 134.9  |   |   |   | 119.2 |   |
| Add: effect of dilutive securities                  |                                 |   | 1.7    |   |   |   | 0.1 |   |
| Diluted average number of common shares outstanding |                                 |   | 136.6  |   |   |   | 119.3 |   |
|                                                |                                 |   |   |   |   |   |   |   |
| Basic and diluted EPS                               |                                 | $      | 0.15   |   |   | $      | 0.18 |   |
|                                                |                                 |   |   |   |   |   |   |   |

| 2.   | SUPPLEMENTAL CASH FLOW INFORMATION |
|----------------|------------------------------------|

| Great Plains Energy Other Operating Activities      |   |       |   |   |   |   |
|-----------------------------------------------------|--------|------------|--------|--------|--------|--------|
| Three Months Ended March 31                         |   | 2010       |   |   | 2009   |   |
| Cash flows affected by changes in:                  |   | (millions) |
| Receivables                                         |   | $          | 42.1   |   |   | $      | 48.8 |   |
| Accounts receivable pledged as collateral           |   |       | (95.0  | )      |   |   | - |   |
| Fuel inventories                                    |   |       | (0.4   | )      |   |   | (3.5 | ) |
| Materials and supplies                              |   |       | (6.5   | )      |   |   | (6.7 | ) |
| Accounts payable                                    |   |       | (67.7  | )      |   |   | (26.4 | ) |
| Accrued taxes                                       |   |       | 27.2   |   |   |   | 27.0 |   |
| Accrued interest                                    |   |       | (1.5   | )      |   |   | (7.8 | ) |
| Deferred refueling outage costs                     |   |       | 2.9    |   |   |   | 2.3 |   |
| Accrued plant maintenance costs                     |   |       | 0.4    |   |   |   | (0.6 | ) |
| Fuel adjustment clauses                             |   |       | (1.1   | )      |   |   | (2.7 | ) |
| Pension and post-retirement benefit obligations     |   |       | 13.6   |   |   |   | 13.0 |   |
| Allowance for equity funds used during construction |   |       | (10.1  | )      |   |   | (12.1 | ) |
| Forward Starting Swaps settlement                   |   |       | -      |   |   |   | (79.1 | ) |
| Other                                               |   |       | (23.6  | )      |   |   | (16.2 | ) |
| Total other operating activities                    |   | $          | (119.7 | )      |   | $      | (64.0 | ) |
| Cash paid during the period:                        |   |       |   |   |   |   |   |   |
| Interest                                            |   | $          | 58.0   |   |   | $      | 49.8 |   |
| Income taxes                                        |   | $          | -      |   |   | $      | 0.3 |   |
| Non-cash investing activities:                      |   |       |   |   |   |   |   |   |
| Liabilities assumed for capital expenditures        |   | $          | 52.9   |   |   | $      | 69.0 |   |
|                                                |   |       |   |   |   |   |   |   |

| KCP&L Other Operating Activities                |   |       |   |   |   |   |
|-----------------------------------------------------|--------|------------|--------|--------|--------|--------|
| Three Months Ended March 31                         |   | 2010       |   |   | 2009   |   |
| Cash flows affected by changes in:                  |   | (millions) |
| Receivables                                         |   | $          | 40.3   |   |   | $      | 17.2 |   |
| Accounts receivable pledged as collateral           |   |       | (95.0  | )      |   |   | - |   |
| Fuel inventories                                    |   |       | (1.8   | )      |   |   | (2.1 | ) |
| Materials and supplies                              |   |       | (4.2   | )      |   |   | (3.6 | ) |
| Accounts payable                                    |   |       | (52.6  | )      |   |   | (42.7 | ) |
| Accrued taxes                                       |   |       | 39.6   |   |   |   | 35.1 |   |
| Accrued interest                                    |   |       | 12.1   |   |   |   | 4.2 |   |
| Deferred refueling outage costs                     |   |       | 2.9    |   |   |   | 2.3 |   |
| Pension and post-retirement benefit obligations     |   |       | 16.3   |   |   |   | 13.4 |   |
| Allowance for equity funds used during construction |   |       | (8.1   | )      |   |   | (8.5 | ) |
| Kansas Energy Cost Adjustment                       |   |       | (0.5   | )      |   |   | (4.8 | ) |
| Forward Starting Swaps settlement                   |   |       | -      |   |   |   | (79.1 | ) |
| Other                                               |   |       | (6.1   | )      |   |   | (1.9 | ) |
| Total other operating activities                    |   | $          | (57.1  | )      |   | $      | (70.5 | ) |
| Cash paid during the period:                        |   |       |   |   |   |   |   |   |
| Interest                                            |   | $          | 10.8   |   |   | $      | 12.8 |   |
| Income taxes                                        |   | $          | 1.9    |   |   | $      | - |   |
| Non-cash investing activities:                      |   |       |   |   |   |   |   |   |
| Liabilities assumed for capital expenditures        |   | $          | 51.1   |   |   | $      | 65.9 |   |
|                                                |   |       |   |   |   |   |   |   |

| 3.   | RECEIVABLES |
|----------------|-------------|

|                                    |   |       |              |   |   |   |
|-----------------------------------------|--------|------------|-------------------|--------|--------|--------|
|                                    |   | March 31   |  December 31 |
|                                    |   | 2010       | 2009              |
| Great Plains Energy                     |   | (millions) |
| Customer accounts receivable - billed   |   | $          | 47.9              |   |   | $      | 47.3 |   |
| Customer accounts receivable - unbilled |   |       | 59.8              |   |   |   | 77.9 |   |
| Allowance for doubtful accounts         |   |       | (3.7              | )      |   |   | (2.8 | ) |
| Other receivables                       |   |       | 85.7              |   |   |   | 108.1 |   |
| Total                                   |   | $          | 189.7             |   |   | $      | 230.5 |   |
| KCP&L                               |   |       |              |   |   |   |   |   |
| Customer accounts receivable - unbilled |   | $          | 33.1              |   |   | $      | 44.6 |   |
| Allowance for doubtful accounts         |   |       | (1.9              | )      |   |   | (1.7 | ) |
| Intercompany receivables                |   |       | 20.6              |   |   |   | 42.4 |   |
| Other receivables                       |   |       | 63.6              |   |   |   | 76.4 |   |
| Total                                   |   | $          | 115.4             |   |   | $      | 161.7 |   |
|                                    |   |       |              |   |   |   |   |   |

|                                                   |   |       |   |   |        |   |   |         |   |
|--------------------------------------------------------|--------|------------|--------|--------|-------------|--------|--------|--------------|--------|
|                                                   |   |       |   |   | Receivables |   |   | Consolidated |
| Three Months Ended March 31, 2010                      |   | KCP&L  |   |   | Company     |   |   | KCP&L    |
|                                                   |   | (millions) |   |
| Receivables (sold) purchased                           |   | $          | (294.3 | )      |        | $      | 294.3  |         |   | $ | - |   |
| Gain (loss) on sale of accounts receivable (a)         |   |       | (3.7   | )      |        |   | 3.9    |         |   |   | 0.2 |   |
| Servicing fees                                         |   |       | 0.5    |   |        |   | (0.5   | )            |   |   | - |   |
| Fees to outside investor                               |   |       | -      |   |        |   | (0.3   | )            |   |   | (0.3 | ) |
|                                                   |   |       |   |   |        |   |   |         |   |   |   |   |
| Cash flows during the period                           |   |       |   |   |        |   |   |         |   |   |   |   |
| Cash from customers transferred to Receivables Company |   |       | (308.1 | )      |        |   | 308.1  |         |   |   | - |   |
| Cash paid to KCP&L for receivables purchased       |   |       | 304.2  |   |        |   | (304.2 | )            |   |   | - |   |
| Servicing fees                                         |   |       | 0.5    |   |        |   | (0.5   | )            |   |   | - |   |
| Interest on intercompany note                          |   |       | 0.1    |   |        |   | (0.1   | )            |   |   | - |   |
|                                                   |   |       |   |   |        |   |   |         |   |   |   |   |

|                                                                                                 |   |       |   |   |        |   |   |         |   |
|------------------------------------------------------------------------------------------------------|--------|------------|--------|--------|-------------|--------|--------|--------------|--------|
|                                                                                                 |   |       |   |   | Receivables |   |   | Consolidated |
| Three Months Ended March 31, 2009                                                                    |   | KCP&L  |   |   | Company     |   |   | KCP&L    |
|                                                                                                 |   | (millions) |   |
| Receivables (sold) purchased                                                                         |   | $          | (248.2 | )      |        | $      | 248.2  |         |   | $ | - |   |
| Gain (loss) on sale of accounts receivable (a)                                                       |   |       | (3.1   | )      |        |   | 3.4    |         |   |   | 0.3 |   |
| Servicing fees                                                                                       |   |       | 0.7    |   |        |   | (0.7   | )            |   |   | - |   |
| Fees to outside investor                                                                             |   |       | -      |   |        |   | (0.3   | )            |   |   | (0.3 | ) |
|                                                                                                 |   |       |   |   |        |   |   |         |   |   |   |   |
| Cash flows during the period                                                                         |   |       |   |   |        |   |   |         |   |   |   |   |
| Cash from customers transferred to Receivables Company                                               |   |       | (274.0 | )      |        |   | 274.0  |         |   |   | - |   |
| Cash paid to KCP&L for receivables purchased                                                     |   |       | 270.6  |   |        |   | (270.6 | )            |   |   | - |   |
| Servicing fees                                                                                       |   |       | 0.7    |   |        |   | (0.7   | )            |   |   | - |   |
| Interest on intercompany note                                                                        |   |       | 0.1    |   |        |   | (0.1   | )            |   |   | - |   |
|                                                                                                 |
| (a)Any net gain (loss) is the result of the timing difference inherent in collecting receivables and |
|      over the life of the agreement will net to zero.                            |

| 4.   | ASSETS HELD FOR SALE |
|----------------|----------------------|

| 5.   | NUCLEAR PLANT |
|----------------|---------------|

|                          |   |       |   |        |   |   |
|-------------------------------|--------|------------|--------|-------------|--------|--------|
|                          |   | March 31   |   | December 31 |
|                          |   | 2010       |   | 2009        |
| Decommissioning Trust         |   | (millions) |
| Beginning balance January 1   |   | $          | 112.5  |        |   | $      | 96.9 |   |
| Contributions                 |   |       | 0.9    |        |   |   | 3.7 |   |
| Earned income, net of fees    |   |       | 0.7    |        |   |   | 2.8 |   |
| Net realized gains/(losses)   |   |       | 6.4    |        |   |   | (5.5 | ) |
| Net unrealized gains/(losses) |   |       | (2.7   | )           |   |   | 14.6 |   |
| Ending balance                |   | $          | 117.8  |        |   | $      | 112.5 |   |
|                          |   |       |   |        |   |   |   |   |

|              |
|-------------------|
|              |   | March 31 |   | December 31 |
|              |   | 2010 |   | 2009 |
|              |   | Fair |   | Unrealized |   | Fair |   | Unrealized |
|              |   | Value |   | Gains/(Losses) |   | Value |   | Gains/(Losses) |
|              |   | (millions) |
| Equity securities |   | $ | 76.8 |   |   | $ | 5.6 |   |   | $ | 44.5 |   |   | $ | 8.2 |   |
| Debt securities   |   |   | 37.4 |   |   |   | 2.0 |   |   |   | 37.4 |   |   |   | 2.1 |   |
| Other             |   |   | 3.6 |   |   |   | - |   |   |   | 30.6 |   |   |   | - |   |
| Total             |   | $ | 117.8 |   |   | $ | 7.6 |   |   | $ | 112.5 |   |   | $ | 10.3 |   |
|              |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

|                        |   |       |   |   |   |   |
|-----------------------------|--------|------------|--------|--------|--------|--------|
| Three Months Ended March 31 |   | 2010       |   |   | 2009   |   |
|                        |   | (millions) |   |
| Realized Gains              |   | $          | 6.8    |   |   | $      | 0.3 |   |
| Realized Losses             |   |       | (0.4   | )      |   |   | (4.1 | ) |
|                        |   |       |   |   |   |   |   |   |

| 6.   | REGULATORY MATTERS |
|----------------|--------------------|

|                                           |   |                                          |    |                                          |   |                                          |    |                                          |   |                                   |    |                                   |
|------------------------------------------------|--------|-----------------------------------------------|---------|-----------------------------------------------|--------|-----------------------------------------------|---------|-----------------------------------------------|--------|----------------------------------------|---------|----------------------------------------|
|                                           |   | Current Estimate                              |    | Previous Estimate                             |   |                                          |
|                                           |   | Range                                         |    | Range                                         |   | Change                                        |
|                                           |   | (millions)                                    |
| Great Plains Energy's 73% share of Iatan No. 2 |   |  $ 1,222                                 |  - |  $ 1,251                                 |   |  $ 1,153                                 |  - |  $ 1,201                                 |   |  $   69            |  - |  $   50            |
| KCP&L's 55% share of Iatan No. 2           |   |        919 |  - |        941 |   |        868 |  - |        904 |   |       51 |  - |       37 |
|                                           |   |                                          |    |                                          |   |                                          |    |                                          |   |                                   |    |                                   |

|                                                              |   |       |   |   |   |   |   |          |   |   |   |
|-------------------------------------------------------------------|--------|------------|--------|--------|--------|--------|--------|---------------|--------|--------|--------|
|                                                              |   |       |   |   |   |   |   |          |   | Great  |
| March 31, 2010                                                    |   | KCP&L  |   |   | GMO    |   |   | Plains Energy |
| Regulatory Assets                                                 |   | (millions) |   |
| Taxes recoverable through future rates                            |   | $          | 92.2   |   |   |   | $      | 22.9          |   |   |   | $ | 115.1 |   |
| Loss on reacquired debt                                           |   |       | 5.2    |   | (a)    |   |   | 0.3           |   | (a)    |   |   | 5.5 |   |
| Cost of removal                                                   |   |       | 8.0    |   |   |   |   | -             |   |   |   |   | 8.0 |   |
| Asset retirement obligations                                      |   |       | 24.7   |   |   |   |   | 12.1          |   |   |   |   | 36.8 |   |
| Pension settlements                                               |   |       | 12.4   |   | (b)    |   |   | -             |   |   |   |   | 12.4 |   |
| Pension and post-retirement costs                                 |   |       | 388.1  |   | (c)    |   |   | 87.2          |   | (c)    |   |   | 475.3 |   |
| Deferred customer programs                                        |   |       | 35.8   |   | (d)    |   |   | 8.7           |   |   |   |   | 44.5 |   |
| Rate case expenses                                                |   |       | 7.3    |   | (e)    |   |   | 1.7           |   | (e)    |   |   | 9.0 |   |
| Skill set realignment costs                                       |   |       | 5.8    |   | (f)    |   |   | -             |   |   |   |   | 5.8 |   |
| Under-recovery of energy costs                                    |   |       | 0.8    |   | (e)    |   |   | 48.1          |   | (e)    |   |   | 48.9 |   |
| Acquisition transition costs                                      |   |       | 29.4   |   | (g)    |   |   | 22.4          |   | (g)    |   |   | 51.8 |   |
| St. Joseph Light & Power acquisition                          |   |       | -      |   |   |   |   | 2.9           |   | (h)    |   |   | 2.9 |   |
| Storm damage                                                      |   |       | -      |   |   |   |   | 4.4           |   | (i)    |   |   | 4.4 |   |
| Derivative instruments                                            |   |       | -      |   |   |   |   | 6.2           |   | (j)    |   |   | 6.2 |   |
| Iatan No. 1 and Common facilities depreciation and carrying costs | 7.4    |       | (k)    |   |   | 2.1    |   | (k)           |   |   | 9.5    |   |
| Other                                                             |   |       | 4.7    |   | (l)    |   |   | 0.8           |   | (l)    |   |   | 5.5 |   |
| Total                                                             |   | $          | 621.8  |   |   |   | $      | 219.8         |   |   |   | $ | 841.6 |   |
| Regulatory Liabilities                                            |   |       |   |   |   |   |   |          |   |   |   |   |   |   |
| Emission allowances                                               |   | $          | 86.1   |   |   |   | $      | 0.7           |   |   |   | $ | 86.8 |   |
| Asset retirement obligations                                      |   |       | 37.4   |   |   |   |   | -             |   |   |   |   | 37.4 |   |
| Pension                                                           |   |       | -      |   |   |   |   | 33.8          |   |   |   |   | 33.8 |   |
| Cost of removal                                                   |   |       | -      |   |   |   |   | 63.6          |   | (m)    |   |   | 63.6 |   |
| Other                                                             |   |       | 6.7    |   |   |   |   | 14.0          |   |   |   |   | 20.7 |   |
| Total                                                             |   | $          | 130.2  |   |   |   | $      | 112.1         |   |   |   | $ | 242.3 |   |
|                                                              |   |       |   |   |   |   |   |          |   |   |   |   |   |   |

| (a)   | Amortized over the life of the related new debt issuances or the remaining lives of the old debt issuances if no new debt was issued. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------|

| (b)   | $6.8 million not included in rate base and amortized through 2012. |
|-----------------|--------------------------------------------------------------------|

| (c)   | Represents the funded status of the pension plans more than offset by related liabilities.  Also represents financial and regulatory accounting method differences not included in rate base that will be eliminated over the life of the pension plans. |
|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (d)   | $12.6 million not included in rate base and amortized over various periods. |
|-----------------|-----------------------------------------------------------------------------|

| (e)   | Not included in rate base and amortized over various periods. |
|-----------------|---------------------------------------------------------------|

| (f)   | $3.1 million not included in rate base and amortized through 2017. |
|-----------------|--------------------------------------------------------------------|

| (g)   | Not included in rate base.  The MPSC order provided for the deferral of transition costs to be amortized over a five-year period to the extent that synergy savings exceed transition cost amortization.  The Company settled its first post-transaction rate cases and the settlement agreements did not address transition costs.  The Company will continue to defer transition costs until amortization is ordered by the MPSC.  KCC order approved the deferral of up to $10.0 million of transition costs to be amortized over a five-year period beginning with rates expected to be effective in fourth quarter 2010 or early first quarter 2011. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (h)   | Not included in rate base and amortized through 2015. |
|-----------------|-------------------------------------------------------|

| (i)   | Not included in rate base and amortized through 2012. |
|-----------------|-------------------------------------------------------|

| (j)   | Represents the fair value of derivative instruments for commodity contracts.  Settlements of the contracts are recognized in fuel expense and included in GMO’s fuel adjustment clause (FAC). |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (k)   | Not included in rate base. |
|-----------------|----------------------------|

| (l)   | Certain insignificant items are not included in rate base and amortized over various periods. |
|-----------------|-----------------------------------------------------------------------------------------------|

| (m)   | Estimated cumulative net provision for future removal costs. |
|-----------------|--------------------------------------------------------------|

|                                                              |   |       |   |   |   |          |   |   |   |
|-------------------------------------------------------------------|--------|------------|--------|--------|--------|---------------|--------|--------|--------|
|                                                              |   |       |   |   |   |          |   | Great  |
| December 31, 2009                                                 |   | KCP&L  |   | GMO    |   | Plains Energy |
| Regulatory Assets                                                 |   | (millions) |   |
| Taxes recoverable through future rates                            |   | $          | 77.6   |   |   | $             | 22.9   |   |   | $ | 100.5 |   |
| Loss on reacquired debt                                           |   |       | 5.3    |   |   |          | 0.3    |   |   |   | 5.6 |   |
| Cost of removal                                                   |   |       | 7.9    |   |   |          | -      |   |   |   | 7.9 |   |
| Asset retirement obligations                                      |   |       | 23.8   |   |   |          | 11.9   |   |   |   | 35.7 |   |
| Pension settlements                                               |   |       | 13.5   |   |   |          | -      |   |   |   | 13.5 |   |
| Pension and post-retirement costs                                 |   |       | 395.0  |   |   |          | 84.5   |   |   |   | 479.5 |   |
| Deferred customer programs                                        |   |       | 35.6   |   |   |          | 7.1    |   |   |   | 42.7 |   |
| Rate case expenses                                                |   |       | 7.4    |   |   |          | 1.5    |   |   |   | 8.9 |   |
| Skill set realignment costs                                       |   |       | 6.1    |   |   |          | -      |   |   |   | 6.1 |   |
| Under-recovery of energy costs                                    |   |       | 0.7    |   |   |          | 47.5   |   |   |   | 48.2 |   |
| Acquisition transition costs                                      |   |       | 29.3   |   |   |          | 22.2   |   |   |   | 51.5 |   |
| St. Joseph Light & Power acquisition                          |   |       | -      |   |   |          | 3.1    |   |   |   | 3.1 |   |
| Storm damage                                                      |   |       | -      |   |   |          | 4.8    |   |   |   | 4.8 |   |
| Derivative instruments                                            |   |       | -      |   |   |          | 2.1    |   |   |   | 2.1 |   |
| Iatan No. 1 and Common facilities depreciation and carrying costs | 4.6    |       |   |   | 1.4    |          |   |   | 6.0    |   |
| Other                                                             |   |       | 5.3    |   |   |          | 0.8    |   |   |   | 6.1 |   |
| Total                                                             |   | $          | 612.1  |   |   | $             | 210.1  |   |   | $ | 822.2 |   |
| Regulatory Liabilities                                            |   |       |   |   |   |          |   |   |   |   |   |   |
| Emission allowances                                               |   | $          | 86.2   |   |   | $             | 0.8    |   |   | $ | 87.0 |   |
| Asset retirement obligations                                      |   |       | 33.4   |   |   |          | -      |   |   |   | 33.4 |   |
| Pension                                                           |   |       | -      |   |   |          | 34.0   |   |   |   | 34.0 |   |
| Cost of removal                                                   |   |       | -      |   |   |          | 62.5   |   |   |   | 62.5 |   |
| Other                                                             |   |       | 7.3    |   |   |          | 13.6   |   |   |   | 20.9 |   |
| Total                                                             |   | $          | 126.9  |   |   | $             | 110.9  |   |   | $ | 237.8 |   |
|                                                              |   |       |   |   |   |          |   |   |   |   |   |   |

| 7.   | PENSION PLANS AND OTHER EMPLOYEE BENEFITS |
|----------------|-------------------------------------------|

|                                     |
|------------------------------------------|
|                                     |   | Pension Benefits |   |   | Other Benefits |   |
| Three Months Ended March 31              |   | 2010 |   |   | 2009 |   |   | 2010 |   |   | 2009 |   |
| Components of net periodic benefit costs |   | (millions) |   |
| Service cost                             |   | $ | 7.6 |   |   | $ | 7.3 |   |   | $ | 0.9 |   |   | $ | 1.0 |   |
| Interest cost                            |   |   | 12.3 |   |   |   | 11.8 |   |   |   | 2.2 |   |   |   | 2.1 |   |
| Expected return on plan assets           |   |   | (9.1 | ) |   |   | (8.0 | ) |   |   | (0.5 | ) |   |   | (0.4 | ) |
| Prior service cost                       |   |   | 1.2 |   |   |   | 1.0 |   |   |   | 1.8 |   |   |   | 1.0 |   |
| Recognized net actuarial loss            |   |   | 9.3 |   |   |   | 9.1 |   |   |   | - |   |   |   | 0.1 |   |
| Transition obligation                    |   |   | - |   |   |   | - |   |   |   | 0.3 |   |   |   | 0.3 |   |
| Net periodic benefit costs before        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| regulatory adjustment                    |   |   | 21.3 |   |   |   | 21.2 |   |   |   | 4.7 |   |   |   | 4.1 |   |
| Regulatory adjustment                    |   |   | (8.4 | ) |   |   | (3.9 | ) |   |   | - |   |   |   | - |   |
| Net periodic benefit costs               |   | $ | 12.9 |   |   | $ | 17.3 |   |   | $ | 4.7 |   |   | $ | 4.1 |   |
|                                     |

| 8.   | EQUITY COMPENSATION |
|----------------|---------------------|

|                        |   |       |   |   |   |   |
|-----------------------------|--------|------------|--------|--------|--------|--------|
| Three Months Ended March 31 |   | 2010       |   |   | 2009   |   |
| Great Plains Energy         |   | (millions) |   |
| Compensation expense        |   | $          | 0.3    |   |   | $      | 1.8 |   |
| Income tax benefits         |   |       | 0.1    |   |   |   | 0.6 |   |
| KCP&L                   |   |       |   |   |   |   |   |   |
| Compensation expense        |   |       | 0.2    |   |   |   | 1.3 |   |
| Income tax benefits         |   |       | -      |   |   |   | 0.4 |   |
|                        |   |       |   |   |   |   |   |   |

|                          |   |        |    |        |   |   |
|-------------------------------|--------|-------------|---------|-------------|--------|--------|
|                          |   | Performance |    | Grant Date  |
|                          |   | Shares      |    | Fair Value* |
| Beginning balance             |   |        | 294,641 |        |   | $      | 13.62 |   |
| Performance adjustment        |   |        | (23,969 | )           |   |   |   |   |
| Granted                       |   |        | 231,598 |        |   |   | 23.38 |   |
| Issued                        |   |        | (6,138  | )           |   |   | 10.87 |   |
| Forfeited                     |   |        | (5,686  | )           |   |   | 13.35 |   |
| Ending balance                |   |        | 490,446 |        |   |   | 18.40 |   |
| *  weighted-average |   |        |    |        |   |   |   |   |

|                          |             |        |     |   |   |   |
|-------------------------------|------------------|-------------|----------|--------|--------|--------|
|                          | Nonvested        | Grant Date  |
|                          | Restricted Stock | Fair Value* |
| Beginning balance             |             |        | 612,587  |   |   | $      | 20.24 |   |
| Granted and issued            |             |        | 98,211   |   |   |   | 17.71 |   |
| Vested                        |             |        | (158,420 | )      |   |   | 30.71 |   |
| Forfeited                     |             |        | (9,252   | )      |   |   | 20.09 |   |
| Ending balance                |             |        | 543,126  |   |   |   | 16.74 |   |
| *  weighted-average |             |        |     |   |   |   |   |   |

|                                          |   |   |    |   |     |   |
|-----------------------------------------------|--------|--------|---------|--------|----------|--------|
|                                          |   |   |    |   | Exercise |
| Stock Options                                 |   | Shares |    |   | Price*   |
| Beginning balance                             |   |   | 244,610 |   |     | $      | 36.73 |   |
| Exercised                                     |   |   | (917    | )      |     |   | 9.21 |   |
| Forfeited or expired                          |   |   | (20,672 | )      |     |   | 53.26 |   |
| Outstanding and exercisable at March 31, 2010 |   |   | 223,021 |   |     |   | 35.31 |   |
| *  weighted-average                 |   |   |    |   |     |   |   |   |

| Outstanding and Exercisable Options |   |                                                              |             |             |
|-------------------------------------|--------|-------------------------------------------------------------------|------------------|------------------|
|                                |   |                                                              |             | Weighted Average |   |   |
|                                |   |                                                              |             | Remaining        | Weighted |
| Exercise                            |   | Number of                                                         | Contractual Life | Average          |
| Price Range                         |   | Shares                                                            | in Years         | Exercise Price   |
| $23.91 - $27.73                     |   |       209,670                       |             | 1.7              |   |  $  24.50 |   |
| $181.11                             |   |           5,566 |             | 0.8              |   |    181.11 |   |
| $221.82 - $251.86                   |   |           7,785 |             | 1.1              |   |    222.24 |   |
| Total                               |   |       223,021                       |             | 1.6              |   | 35.31 |   |
|                                |   |                                                              |             |             |   |   |   |

| 9.   | SHORT-TERM BORROWINGS AND SHORT-TERM BANK LINES OF CREDIT |
|----------------|-----------------------------------------------------------|

| 10.   | LONG-TERM DEBT |
|-----------------|----------------|

|                                                                                                                                |      |   |   |    |       |    |   |        |   |
|-------------------------------------------------------------------------------------------------------------------------------------|-----------|--------|--------|---------|------------|---------|--------|-------------|--------|
|                                                                                                                                |      |   |   |    | March 31   |    |   | December 31 |
|                                                                                                                                | Year Due  |   | 2010   |    |       | 2009    |
| KCP&L                                                                                                                           |      |   |   |    | (millions) |    |
| General Mortgage Bonds                                                                                                              |      |   |   |    |       |    |   |        |   |
| 4.90%* EIRR bonds                                                                                                                   | 2012-2035 |   | $      | 158.8   |       |    | $      | 158.8       |   |
| 7.15% Series 2009A (8.59% rate**)                                                                                                   |      | 2019   |   |    |       | 400.0   |   |        |   | 400.0 |   |
| 4.65% EIRR Series 2005                                                                                                              |      | 2035   |   |    |       | 50.0    |   |        |   | 50.0 |   |
| 5.125% EIRR Series 2007A-1                                                                                                          |      | 2035   |   |    |       | 63.3    |   |        |   | 63.3 |   |
| 5.00% EIRR Series 2007A-2                                                                                                           |      | 2035   |   |    |       | 10.0    |   |        |   | 10.0 |   |
| 5.375% EIRR Series 2007B                                                                                                            |      | 2035   |   |    |       | 73.2    |   |        |   | 73.2 |   |
| Senior Notes                                                                                                                        |      |   |   |    |       |    |   |        |   |   |   |
| 6.50% Series                                                                                                                        |      | 2011   |   |    |       | 150.0   |   |        |   | 150.0 |   |
| 5.85% Series (5.72% rate**)                                                                                                         |      | 2017   |   |    |       | 250.0   |   |        |   | 250.0 |   |
| 6.375% Series (7.49% rate**)                                                                                                        |      | 2018   |   |    |       | 350.0   |   |        |   | 350.0 |   |
| 6.05% Series (5.78% rate**)                                                                                                         |      | 2035   |   |    |       | 250.0   |   |        |   | 250.0 |   |
| EIRR Bonds                                                                                                                          |      |   |   |    |       |    |   |        |   |   |   |
| 4.90% Series 2008                                                                                                                   |      | 2038   |   |    |       | 23.4    |   |        |   | 23.4 |   |
| Other                                                                                                                               | 2010-2018 |   |   | 3.5     |       |    |   | 3.5         |   |
| Current maturities                                                                                                                  |      |   |   |    |       | (0.2    | )      |        |   | (0.2 | ) |
| Unamortized discount                                                                                                                |      |   |   |    |       | (2.1    | )      |        |   | (2.1 | ) |
| Total KCP&L                                                                                                                     |      |   |   |    |       | 1,779.9 |   |        |   | 1,779.9 |   |
|                                                                                                                                |      |   |   |    |       |    |   |        |   |   |   |
| GMO                                                                                                                                 |      |   |   |    |       |    |   |        |   |   |   |
| First Mortgage Bonds                                                                                                                |      |   |   |    |       |    |   |        |   |   |   |
| 9.44% Series                                                                                                                        | 2011-2021 |   |   | 12.4    |       |    |   | 13.5        |   |
| Pollution Control Bonds                                                                                                             |      |   |   |    |       |    |   |        |   |   |   |
| 5.85% SJLP Pollution Control                                                                                                        |      | 2013   |   |    |       | 5.6     |   |        |   | 5.6 |   |
| 0.249%*** Wamego Series 1996                                                                                                        |      | 2026   |   |    |       | 7.3     |   |        |   | 7.3 |   |
| 1.545%*** State Environmental 1993                                                                                                  |      | 2028   |   |    |       | 5.0     |   |        |   | 5.0 |   |
| Senior Notes                                                                                                                        |      |   |   |    |       |    |   |        |   |   |   |
| 7.95% Series                                                                                                                        |      | 2011   |   |    |       | 137.3   |   |        |   | 137.3 |   |
| 7.75% Series                                                                                                                        |      | 2011   |   |    |       | 197.0   |   |        |   | 197.0 |   |
| 11.875% Series                                                                                                                      |      | 2012   |   |    |       | 500.0   |   |        |   | 500.0 |   |
| 8.27% Series                                                                                                                        |      | 2021   |   |    |       | 80.9    |   |        |   | 80.9 |   |
| Fair Value Adjustment                                                                                                               |      |   |   |    |       | 75.9    |   |        |   | 84.5 |   |
| Medium Term Notes                                                                                                                   |      |   |   |    |       |    |   |        |   |   |   |
| 7.16% Series                                                                                                                        |      | 2013   |   |    |       | 6.0     |   |        |   | 6.0 |   |
| 7.33% Series                                                                                                                        |      | 2023   |   |    |       | 3.0     |   |        |   | 3.0 |   |
| 7.17% Series                                                                                                                        |      | 2023   |   |    |       | 7.0     |   |        |   | 7.0 |   |
| Current maturities                                                                                                                  |      |   |   |    |       | (138.4  | )      |        |   | (1.1 | ) |
| Total GMO                                                                                                                           |      |   |   |    |       | 899.0   |   |        |   | 1,046.0 |   |
|                                                                                                                                |      |   |   |    |       |    |   |        |   |   |   |
| Other Great Plains Energy                                                                                                           |      |   |   |    |       |    |   |        |   |   |   |
| 6.875% Senior Notes (7.33% rate**)                                                                                                  |      | 2017   |   |    |       | 100.0   |   |        |   | 100.0 |   |
| 10.00% Equity Units Subordinated Notes                                                                                              |      | 2042   |   |    |       | 287.5   |   |        |   | 287.5 |   |
| Unamortized discount                                                                                                                |      |   |   |    |       | (0.4    | )      |        |   | (0.4 | ) |
| Total Great Plains Energy excluding current maturities                                                                              |      |   | $      | 3,066.0 |       |    | $      | 3,213.0     |   |
| *       Weighted-average interest rates at March 31, 2010                                             |
| **     Rate after amortizing gains/losses recognized in OCI on settlements of interest rate hedging instruments |
| ***   Variable rate                                                                                                       |

|                        |   |       |   |   |   |   |
|-----------------------------|--------|------------|--------|--------|--------|--------|
| Three Months Ended March 31 |   | 2010       |   |   | 2009   |   |
|                        |   | (millions) |   |
| KCP&L                   |   | $          | 0.5    |   |   | $      | 0.4 |   |
| Other Great Plains Energy   |   |       | 0.7    |   |   |   | 0.5 |   |
| Total Great Plains Energy   |   | $          | 1.2    |   |   | $      | 0.9 |   |
|                        |   |       |   |   |   |   |   |   |

| 11.   | COMMITMENTS AND CONTINGENCIES |
|-----------------|-------------------------------|

| 12.   | LEGAL PROCEEDINGS |
|-----------------|-------------------|

| 13.   | RELATED PARTY TRANSACTIONS AND RELATIONSHIPS |
|-----------------|----------------------------------------------|

|                                |   |       |   |        |   |   |
|-------------------------------------|--------|------------|--------|-------------|--------|--------|
|                                |   | March 31   |   | December 31 |
|                                |   | 2010       |   | 2009        |
|                                |   | (millions) |   |
| Receivable from GMO                 |   | $          | 5.1    |        |   | $      | 26.4 |   |
| Payable to Services                 |   |       | (0.1   | )           |   |   | (0.2 | ) |
| Receivable from Great Plains Energy |   |       | 14.6   |        |   |   | 15.1 |   |
| Receivable from MPS Merchant        |   |       | 1.0    |        |   |   | 0.9 |   |
|                                |   |       |   |        |   |   |   |   |

| 14.   | DERIVATIVE INSTRUMENTS |
|-----------------|------------------------|

|                      |   |       |   |   |        |   |   |     |   |   |   |   |
|---------------------------|--------|------------|--------|--------|-------------|--------|--------|----------|--------|--------|--------|--------|
|                      |   | March 31   |   |   | December 31 |   |
|                      |   | 2010       |   |   | 2009        |   |
|                      |   | Notional   |   |   |        |   |   | Notional |   |   |   |   |
|                      |   | Contract   |   |   | Fair        |   |   | Contract |   |   | Fair   |   |
|                      |   | Amount     |   |   | Value       |   |   | Amount   |   |   | Value  |   |
| Great Plains Energy       |   | (millions) |   |
| Futures contracts         |   |       |   |   |        |   |   |     |   |   |   |   |
| Cash flow hedges          |   | $          | 3.2    |   |        | $      | (0.2   | )        |   | $      | 3.2    |   |   | $ | - |   |
| Non-hedging derivatives   |   |       | 24.8   |   |        |   | (5.5   | )        |   |   | 29.8   |   |   |   | (0.9 | ) |
| Forward contracts         |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |
| Non-hedging derivatives   |   |       | 259.4  |   |        |   | 11.1   |     |   |   | 234.4  |   |   |   | 9.1 |   |
| Option contracts          |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |
| Cash flow hedges          |   |       | 2.3    |   |        |   | -      |     |   |   | 2.3    |   |   |   | 0.2 |   |
| Anticipated debt issuance |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |
| Forward starting swaps    |   |       | 475.0  |   |        |   | (8.1   | )        |   |   | 362.5  |   |   |   | (0.7 | ) |
| KCP&L                 |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |
| Future contracts          |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |
| Cash flow hedges          |   |       | 3.2    |   |        |   | (0.2   | )        |   |   | 3.2    |   |   |   | - |   |
| Option contracts          |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |
| Cash flow hedges          |   |       | 2.3    |   |        |   | -      |     |   |   | 2.3    |   |   |   | 0.2 |   |
|                      |   |       |   |   |        |   |   |     |   |   |   |   |   |   |   |   |

| Great Plains Energy                               |                   |                                                                            |                                      |                                                                        |                                                             |   |
|---------------------------------------------------|------------------------|---------------------------------------------------------------------------------|-------------------------------------------|-----------------------------------------------------------------------------|------------------------------------------------------------------|--------|
|                                              | Balance Sheet          |                                                                            | Asset Derivatives                         |                                                                        | Liability Derivatives                                            |
| March 31, 2010                                    | Classification         |                                                                            | Fair Value                                |                                                                        | Fair Value                                                       |
| Derivatives Designated as Hedging Instruments     |                   |                                                                            |  (millions)                          |                                                                        |
| Commodity contracts                               | Derivative instruments |  $       0.5                            |                                      |  $         0.7            |                                                             |
| Interest rate contracts                           | Derivative instruments |              - |                                      |             8.1 |                                                             |
| Derivatives Not Designated as Hedging Instruments |                   |                                                                            |                                      |                                                                        |                                                             |
| Commodity contracts                               | Derivative instruments |         11.5                            |                                      |             5.9 |                                                             |
| Total Derivatives                                 |                   |                                                                            |  $     12.0 |                                                                        |  $       14.7            |   |
|                                              |                   |                                                                            |                                      |                                                                        |                                                             |   |
| December 31, 2009                                 |                   |                                                                            |                                      |                                                                        |                                                             |   |
| Derivatives Designated as Hedging Instruments     |                   |                                                                            |                                      |                                                                        |
| Commodity contracts                               | Derivative instruments |  $       0.4                            |                                      |  $         0.2            |                                                             |
| Interest rate contracts                           | Derivative instruments |              - |                                      |             0.7 |                                                             |
| Derivatives Not Designated as Hedging Instruments |                   |                                                                            |                                      |                                                                        |                                                             |
| Commodity contracts                               | Derivative instruments |           9.9                 |                                      |             1.7 |                                                             |
| Total Derivatives                                 |                   |                                                                            |  $     10.3 |                                                                        |  $         2.6 |   |
|                                              |

| KCP&L                                     |                   |                                                 |              |                                                             |                  |   |
|-----------------------------------------------|------------------------|------------------------------------------------------|-------------------|------------------------------------------------------------------|-----------------------|--------|
|                                          | Balance Sheet          |                                                 | Asset Derivatives |                                                             | Liability Derivatives |
| March 31, 2010                                | Classification         |                                                 | Fair Value        |                                                             | Fair Value            |
| Derivatives Designated as Hedging Instruments |                   |                                                 | (millions)        |                                                             |
| Commodity contracts                           | Derivative instruments |  $       0.5 |              |  $         0.7 |                  |
|                                          |                   |                                                 |              |                                                             |                  |   |
| December 31, 2009                             |                   |                                                 |              |                                                             |                  |   |
| Derivatives Designated as Hedging Instruments |                   |                                                 |              |                                                             |
| Commodity contracts                           | Derivative instruments |  $       0.4 |              |  $         0.2 |                  |
|                                          |                   |                                                 |              |                                                             |                  |   |

| Great Plains Energy                           |   |   |                                               |                     |                          |                                                                      |                                       |   |
|-----------------------------------------------|--------|--------|----------------------------------------------------|--------------------------|-------------------------------|---------------------------------------------------------------------------|--------------------------------------------|--------|
| Derivatives in Cash Flow Hedging Relationship |   |   |                                               |                     |
|                                          |   |   |                                               |                     | Gain (Loss) Reclassified from |
|                                          |   |   |                                               |                     | Accumulated OCI into Income   |
|                                          |   |   |                                               |                     | (Effective Portion)           |
|                                          |   |   | Amount of Gain                                     |                     |                          |                                                                      |                                       |
|                                          |   |   | (Loss) Recognized                                  |                     |                          |                                                                      |                                       |
|                                          |   |   | in OCI on Derivatives                              |   Income Statement  |                          |                                                                      |                                       |
| Three Months Ended March 31, 2010             |   |   | (Effective Portion)                                |   Classification    |                          |                                                                      | Amount                                     |
|                                          |   |   | (millions)                                         |                     |                          |                                                                      | (millions)                                 |
| Interest rate contracts                       |   |   |  $  (7.4)                                |  Interest Charges   |                          |  $     (2.3)                                |
| Commodity contracts                           |   |   |      (0.4)                |  Fuel               |                          |             - |
| Income Taxes                                  |   |   |      3.1                  |  Income Tax Expense |                          |          0.9                 |
| Total                                         |   |   |  $  (4.7)                                | Total                    |                          |                                                                      |  $     (1.4) |
|                                          |   |   |                                               |                     |                          |                                                                      |                                       |   |
| Three Months Ended March 31, 2009             |   |   |                                               |                     |                          |                                                                      |                                       |   |
| Interest rate contracts                       |   |   |  $   1.0                       |  Interest Charges   |                          |  $     (1.1)                                |
| Commodity contracts                           |   |   |       (1.0)               |  Fuel               |                          |             - |
| Income Taxes                                  |   |   |          - |  Income Tax Expense |                          |          0.3                 |
| Total                                         |   |   |  $      -            | Total                    |                          |                                                                      |  $     (0.8) |
|                                          |

| KCP&L                                     |                |   |                                              |   |                          |   |                                                                |                                       |
|-----------------------------------------------|---------------------|--------|---------------------------------------------------|--------|-------------------------------|--------|---------------------------------------------------------------------|--------------------------------------------|
| Derivatives in Cash Flow Hedging Relationship |                |   |                                              |   |
|                                          |                |   |                                              |   | Gain (Loss) Reclassified from |
|                                          |                |   |                                              |   | Accumulated OCI into Income   |
|                                          |                |   |                                              |   | (Effective Portion)           |
|                                          |                |   | Amount of Gain                                    |   |                          |   |                                                                |                                       |
|                                          |                |   | (Loss) Recognized                                 |   |                          |   |                                                                |                                       |
|                                          |                |   | in OCI on Derivatives                             |   |   Income Statement       |   |                                                                |
| Three Months Ended March 31, 2010             | (Effective Portion) |   |   Classification                             |   | Amount                        |
|                                          |                |   | (millions)                                        |   |                          |   |                                                                | (millions)                                 |
| Interest rate contracts                       |                |   | $      -                 |   |  Interest Charges        |   |  $     (2.2)                          |
| Commodity contracts                           |                |   |     (0.4)                     |   |  Fuel                    |   |            - |
| Income Taxes                                  |                |   |     0.2                       |   |  Income Tax Expense      |   |         0.9                 |
| Total                                         |                |   |  $ (0.2)                                |   | Total                         |   |                                                                |  $     (1.3) |
|                                          |                |   |                                              |   |                          |   |                                                                |                                       |
| Three Months Ended March 31, 2009             |                |   |                                              |   |                          |   |
| Interest rate contracts                       |                |   |  $   1.0                      |   |  Interest Charges        |   |  $     (1.0)                          |
| Commodity contracts                           |                |   |       (1.0)              |   |  Fuel                    |   |            - |
| Income Taxes                                  |                |   |         - |   |  Income Tax Expense      |   |         0.4                 |
| Total                                         |                |   |  $     -            |   | Total                         |   |                                                                |  $     (0.6) |
|                                          |

| Great Plains Energy                            |                |                                       |                                       |       |                          |                                       |                                       |
|------------------------------------------------|---------------------|--------------------------------------------|--------------------------------------------|------------|-------------------------------|--------------------------------------------|--------------------------------------------|
| Derivatives in Regulatory Account Relationship |                |                                       |                                       |       |
|                                           |                |                                       |                                       |       | Gain (Loss) Reclassified from |
|                                           |                |                                       |                                       |       | Regulatory Account            |
|                                           |                |                                       | Amount of Gain (Loss)                      |       |                          |                                       |                                       |   |
|                                           |                |                                       | Recognized in Regulatory                   |       |                          |                                       |                                       |   |
|                                           |                |                                       | Account on Derivatives                     |       |   Income Statement       |                                       |
| Three Months Ended March 31, 2010              | (Effective Portion) |                                       |   Classification                      | Amount     |
|                                           |                |                                       | (millions)                                 |       |                          |                                       |                                       | (millions) |
| Commodity contracts                            |                |  $     (6.3) |                                       |  Fuel |                          |  $     (2.2) |
| Total                                          |                |                                       |  $     (6.3) |       | Total                         |                                       |  $     (2.2) |
|                                           |                |                                       |                                       |       |                          |                                       |                                       |   |
| Three Months Ended March 31, 2009              |                |                                       |                                       |       |                          |                                       |
| Commodity contracts                            |                |  $   (11.8)            |                                       |  Fuel |                          |  $     (3.1) |
| Total                                          |                |                                       |  $   (11.8)            |       | Total                         |                                       |  $     (3.1) |
|                                           |                |                                       |                                       |       |                          |                                       |                                       |   |

|                   |   |                |   |      |        |   |     |   |   |        |   |   |
|------------------------|--------|---------------------|--------|-----------|-------------|--------|----------|--------|--------|-------------|--------|--------|
|                   |   | Great Plains Energy |   | KCP&L |
|                   |   | March 31            |   |      | December 31 |   | March 31 |   |   | December 31 |
|                   |   | 2010                |   |      | 2009        |   | 2010     |   |   | 2009        |
|                   |   | (millions)          |   |
| Current assets         |   | $                   | 13.2   |      |        | $      | 13.3     |   |   | $           | 13.2   |   |   | $ | 13.3 |   |
| Current liabilities    |   |                | (85.0  | )         |        |   | (84.9    | )      |   |        | (79.3  | )      |   |   | (81.2 | ) |
| Noncurrent liabilities |   |                | (5.8   | )         |        |   | (0.5     | )      |   |        | (0.1   | )      |   |   | - |   |
| Deferred income taxes  |   |                | 30.2   |      |        |   | 28.0     |   |   |        | 25.8   |   |   |   | 26.4 |   |
| Total                  |   | $                   | (47.4  | )         |        | $      | (44.1    | )      |   | $           | (40.4  | )      |   | $ | (41.5 | ) |
|                   |   |                |   |      |        |   |     |   |   |        |   |   |   |   |   |   |

| 15.   | FAIR VALUE MEASUREMENTS |
|-----------------|-------------------------|

|                                |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |
|-------------------------------------|--------|--------------|--------|--------|------------|--------|--------|---------------------------------------------------------------|--------|----------------------------------------------|--------|--------|------------------------------------------|--------|--------|
|                                |   |         |   |   |       |   |   | Fair Value Measurements Using                                 |   |
| Description                         |   | March 312010 |   |   | Netting(d) |   |   | Quoted Prices in Active Markets for Identical Assets(Level 1) |   | Significant Other Observable Inputs(Level 2) |   |   | Significant Unobservable Inputs(Level 3) |   |
| KCP&L                           |   | (millions)   |   |
| Assets                              |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |
| Derivative instruments (a)          |   | $            | -      |   |       | $      | (0.5   | )                                                             |   | $                                            | 0.3    |   |                                     | $      | 0.2    |   |   | $ | - |   |
| Nuclear decommissioning trust (b)   |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Equity securities                   |   |         | 76.8   |   |       |   | -      |                                                          |   |                                         | 76.8   |   |                                     |   | -      |   |   |   | - |   |
| Debt securities                     |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| U.S. Treasury                       |   |         | 10.9   |   |       |   | -      |                                                          |   |                                         | 10.9   |   |                                     |   | -      |   |   |   | - |   |
| U.S. Agency                         |   |         | 3.5    |   |       |   | -      |                                                          |   |                                         | -      |   |                                     |   | 3.5    |   |   |   | - |   |
| State and local obligations         |   |         | 2.3    |   |       |   | -      |                                                          |   |                                         | -      |   |                                     |   | 2.3    |   |   |   | - |   |
| Corporate bonds                     |   |         | 20.0   |   |       |   | -      |                                                          |   |                                         | -      |   |                                     |   | 20.0   |   |   |   | - |   |
| Foreign governments                 |   |         | 0.7    |   |       |   | -      |                                                          |   |                                         | -      |   |                                     |   | 0.7    |   |   |   | - |   |
| Other                               |   |         | 0.5    |   |       |   | -      |                                                          |   |                                         | -      |   |                                     |   | 0.5    |   |   |   | - |   |
| Total nuclear decommissioning trust |   |         | 114.7  |   |       |   | -      |                                                          |   |                                         | 87.7   |   |                                     |   | 27.0   |   |   |   | - |   |
| Total                               |   |         | 114.7  |   |       |   | (0.5   | )                                                             |   |                                         | 88.0   |   |                                     |   | 27.2   |   |   |   | - |   |
| Liabilities                         |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   |         | -      |   |       |   | (0.7   | )                                                             |   |                                         | 0.4    |   |                                     |   | 0.3    |   |   |   | - |   |
| Total                               |   | $            | -      |   |       | $      | (0.7   | )                                                             |   | $                                            | 0.4    |   |                                     | $      | 0.3    |   |   | $ | - |   |
| Other Great Plains Energy           |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Assets                              |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   | $            | 11.1   |   |       | $      | (0.4   | )                                                             |   | $                                            | 0.4    |   |                                     | $      | 5.7    |   |   | $ | 5.4 |   |
| SERP rabbi trust (c)                |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Equity securities                   |   |         | 0.2    |   |       |   | -      |                                                          |   |                                         | 0.2    |   |                                     |   | -      |   |   |   | - |   |
| Debt securities                     |   |         | 6.9    |   |       |   | -      |                                                          |   |                                         | -      |   |                                     |   | 6.9    |   |   |   | - |   |
| Total SERP rabbi trust              |   |         | 7.1    |   |       |   | -      |                                                          |   |                                         | 0.2    |   |                                     |   | 6.9    |   |   |   | - |   |
| Total                               |   |         | 18.2   |   |       |   | (0.4   | )                                                             |   |                                         | 0.6    |   |                                     |   | 12.6   |   |   |   | 5.4 |   |
| Liabilities                         |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   |         | 8.1    |   |       |   | (5.9   | )                                                             |   |                                         | 5.9    |   |                                     |   | 8.1    |   |   |   | - |   |
| Total                               |   | $            | 8.1    |   |       | $      | (5.9   | )                                                             |   | $                                            | 5.9    |   |                                     | $      | 8.1    |   |   | $ | - |   |
| Great Plains Energy                 |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Assets                              |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   | $            | 11.1   |   |       | $      | (0.9   | )                                                             |   | $                                            | 0.7    |   |                                     | $      | 5.9    |   |   | $ | 5.4 |   |
| Nuclear decommissioning trust (b)   |   |         | 114.7  |   |       |   | -      |                                                          |   |                                         | 87.7   |   |                                     |   | 27.0   |   |   |   | - |   |
| SERP rabbi trust (c)                |   |         | 7.1    |   |       |   | -      |                                                          |   |                                         | 0.2    |   |                                     |   | 6.9    |   |   |   | - |   |
| Total                               |   |         | 132.9  |   |       |   | (0.9   | )                                                             |   |                                         | 88.6   |   |                                     |   | 39.8   |   |   |   | 5.4 |   |
| Liabilities                         |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   |         | 8.1    |   |       |   | (6.6   | )                                                             |   |                                         | 6.3    |   |                                     |   | 8.4    |   |   |   | - |   |
| Total                               |   | $            | 8.1    |   |       | $      | (6.6   | )                                                             |   | $                                            | 6.3    |   |                                     | $      | 8.4    |   |   | $ | - |   |
|                                |   |         |   |   |       |   |   |                                                          |   |                                         |   |   |                                     |   |   |   |   |   |   |   |

|                                |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |
|-------------------------------------|--------|------------------|--------|------------|--------|--------|---------------------------------------------------------------|-------------------------------|----------------------------------------------|--------|--------|------------------------------------------|--------|--------|--------|
|                                |   |             |   |       |   |   |                                                          | Fair Value Measurements Using |                                         |
| Description                         |   | December 31 2009 |   | Netting(d) |   |   | Quoted Prices in Active Markets for Identical Assets(Level 1) |                          | Significant Other Observable Inputs(Level 2) |   |   | Significant Unobservable Inputs(Level 3) |   |
| KCP&L                           |   | (millions)       |   |
| Assets                              |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |
| Derivative instruments (a)          |   | $                | 0.2    |       |   | $      | (0.2                                                          | )                             |                                         | $      | 0.2    |                                     |   | $      | 0.2    |   |   | $ | - |   |
| Nuclear decommissioning trust (b)   |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Equity securities                   |   |             | 44.5   |       |   |   | -                                                             |                          |                                         |   | 44.5   |                                     |   |   | -      |   |   |   | - |   |
| Debt securities                     |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| U.S. Treasury                       |   |             | 11.2   |       |   |   | -                                                             |                          |                                         |   | 11.2   |                                     |   |   | -      |   |   |   | - |   |
| U.S. Agency                         |   |             | 3.5    |       |   |   | -                                                             |                          |                                         |   | -      |                                     |   |   | 3.5    |   |   |   | - |   |
| State and local obligations         |   |             | 3.1    |       |   |   | -                                                             |                          |                                         |   | -      |                                     |   |   | 2.9    |   |   |   | 0.2 |   |
| Corporate bonds                     |   |             | 18.9   |       |   |   | -                                                             |                          |                                         |   | -      |                                     |   |   | 18.9   |   |   |   | - |   |
| Foreign governments                 |   |             | 0.7    |       |   |   | -                                                             |                          |                                         |   | -      |                                     |   |   | 0.7    |   |   |   | - |   |
| Other                               |   |             | 1.2    |       |   |   | -                                                             |                          |                                         |   | -      |                                     |   |   | 1.2    |   |   |   | - |   |
| Total nuclear decommissioning trust |   |             | 83.1   |       |   |   | -                                                             |                          |                                         |   | 55.7   |                                     |   |   | 27.2   |   |   |   | 0.2 |   |
| Total                               |   |             | 83.3   |       |   |   | (0.2                                                          | )                             |                                         |   | 55.9   |                                     |   |   | 27.4   |   |   |   | 0.2 |   |
| Liabilities                         |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   |             | -      |       |   |   | (0.2                                                          | )                             |                                         |   | -      |                                     |   |   | 0.2    |   |   |   | - |   |
| Total                               |   | $                | -      |       |   | $      | (0.2                                                          | )                             |                                         | $      | -      |                                     |   | $      | 0.2    |   |   | $ | - |   |
| Other Great Plains Energy           |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Assets                              |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   | $                | 9.2    |       |   | $      | (0.7                                                          | )                             |                                         | $      | 0.7    |                                     |   | $      | 5.1    |   |   | $ | 4.1 |   |
| SERP rabbi trust (c)                |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Equity securities                   |   |             | 0.2    |       |   |   | -                                                             |                          |                                         |   | 0.2    |                                     |   |   | -      |   |   |   | - |   |
| Debt securities                     |   |             | 6.9    |       |   |   | -                                                             |                          |                                         |   | -      |                                     |   |   | 6.9    |   |   |   | - |   |
| Total SERP rabbi trust              |   |             | 7.1    |       |   |   | -                                                             |                          |                                         |   | 0.2    |                                     |   |   | 6.9    |   |   |   | - |   |
| Total                               |   |             | 16.3   |       |   |   | (0.7                                                          | )                             |                                         |   | 0.9    |                                     |   |   | 12.0   |   |   |   | 4.1 |   |
| Liabilities                         |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   |             | 0.8    |       |   |   | (1.6                                                          | )                             |                                         |   | 1.6    |                                     |   |   | 0.8    |   |   |   | - |   |
| Total                               |   | $                | 0.8    |       |   | $      | (1.6                                                          | )                             |                                         | $      | 1.6    |                                     |   | $      | 0.8    |   |   | $ | - |   |
| Great Plains Energy                 |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Assets                              |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   | $                | 9.4    |       |   | $      | (0.9                                                          | )                             |                                         | $      | 0.9    |                                     |   | $      | 5.3    |   |   | $ | 4.1 |   |
| Nuclear decommissioning trust (b)   |   |             | 83.1   |       |   |   | -                                                             |                          |                                         |   | 55.7   |                                     |   |   | 27.2   |   |   |   | 0.2 |   |
| SERP rabbi trust (c)                |   |             | 7.1    |       |   |   | -                                                             |                          |                                         |   | 0.2    |                                     |   |   | 6.9    |   |   |   | - |   |
| Total                               |   |             | 99.6   |       |   |   | (0.9                                                          | )                             |                                         |   | 56.8   |                                     |   |   | 39.4   |   |   |   | 4.3 |   |
| Liabilities                         |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |
| Derivative instruments (a)          |   |             | 0.8    |       |   |   | (1.8                                                          | )                             |                                         |   | 1.6    |                                     |   |   | 1.0    |   |   |   | - |   |
| Total                               |   | $                | 0.8    |       |   | $      | (1.8                                                          | )                             |                                         | $      | 1.6    |                                     |   | $      | 1.0    |   |   | $ | - |   |
|                                |   |             |   |       |   |   |                                                          |                          |                                         |   |   |                                     |   |   |   |   |   |   |   |   |

| (a)   | The fair value of derivative instruments is estimated using market quotes, over-the-counter forward priced and volatility curves and correlations among fuel prices, net of estimated credit risk. |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (b)   | Fair value is based on quoted market prices of the investments held by the fund and/or valuation models.  The total does not include $3.1 million and $29.4 million at March 31, 2010, and December 31, 2009, respectively, of cash and cash equivalents, which are not subject to the fair value requirements. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (c)   | Fair value is based on quoted market prices of the investments held by the fund and/or valuation models.  The total does not include $15.7 million and $16.2 million at March 31, 2010, and December 31, 2009, respectively, of cash and cash equivalents, which are not subject to the fair value requirements. |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (d)   | Represents the difference between derivative contracts in an asset or liability position presented on a net basis by counterparty on the consolidated balance sheet where a master netting agreement exists between the Company and the counterparty.  At March 31, 2010, and December 31, 2009, Great Plains Energy netted $5.7 million and $0.9 million, respectively, of cash collateral posted with counterparties. |
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                    |   |              |   |        |   |   |   |   |   |
|-------------------------------------------------------------------------|--------|-------------------|--------|-------------|--------|--------|--------|--------|--------|
| Fair Value Measurements Using Significant Unobservable Inputs (Level 3) |   |              |   |        |
|                                                                    |   |              |   |        | Other  |   |   |   |
|                                                                    |   |              |   |        | Great  |   | Great  |
|                                                                    |   |              |   |        | Plains |   | Plains |
|                                                                    |   | KCP&L         |   | Energy      |   | Energy |
|                                                                    |   | State & Local |   | Derivative  |   |   |
| Description                                                             |   | Obligations       |   | Instruments |   | Total  |
|                                                                    |   | (milllions)       |   |
| Balance January 1, 2010                                                 |   | $                 | 0.2    |        |   | $      | 4.1    |   |   | $ | 4.3 |   |
| Total realized/unrealized gains or (losses)                             |   |              |   |        |   |   |   |   |   |   |   |   |
| Included in non-operating income                                        |   |              | -      |        |   |   | (2.5   | )      |   |   | (2.5 | ) |
| Sales                                                                   |   |              | (0.2   | )           |   |   | -      |   |   |   | (0.2 | ) |
| Settlements                                                             |   |              | -      |        |   |   | 3.8    |   |   |   | 3.8 |   |
| Balance March 31, 2010                                                  |   | $                 | -      |        |   | $      | 5.4    |   |   | $ | 5.4 |   |
|                                                                    |   |              |   |        |   |   |   |   |   |   |   |   |
| Total unrealized gains and (losses) included in non-operating           |   |              |   |        |   |   |   |   |   |   |
| income relating to assets and liabilities still on the                  |   |              |   |        |   |   |   |   |   |   |   |   |
| consolidated balance sheet at March 31, 2010                            |   | $                 | -      |        |   | $      | 1.5    |   |   | $ | 1.5 |   |
|                                                                    |   |              |   |        |   |   |   |   |   |   |   |   |

|                                                                    |   |            |   |        |   |   |   |   |   |
|-------------------------------------------------------------------------|--------|-----------------|--------|-------------|--------|--------|--------|--------|--------|
| Fair Value Measurements Using Significant Unobservable Inputs (Level 3) |   |            |   |        |
|                                                                    |   |            |   |        | Other  |   |   |   |
|                                                                    |   |            |   |        | Great  |   | Great  |
|                                                                    |   |            |   |        | Plains |   | Plains |
|                                                                    |   | KCP&L       |   | Energy      |   | Energy |
|                                                                    |   | Nuclear         |   |        |   |   |   |
|                                                                    |   | Decommissioning |   | Derivative  |   |   |   |
| Description                                                             |   | Trust           |   | Instruments |   | Total  |
|                                                                    |   | (millions)      |   |
| Balance January 1, 2009                                                 |   | $               | 6.8    |        |   | $      | 3.8    |   |   | $ | 10.6 |   |
| Total realized/unrealized gains or (losses)                             |   |            |   |        |   |   |   |   |   |   |   |   |
| Included in regulatory liability                                        |   |            | 0.1    |        |   |   | (0.6   | )      |   |   | (0.5 | ) |
| Purchases, issuances, and settlements                                   |   |            | -      |        |   |   | (0.6   | )      |   |   | (0.6 | ) |
| Transfers in and/or out of Level 3                                      |   |            | (0.1   | )           |   |   | -      |   |   |   | (0.1 | ) |
| Balance March 31, 2009                                                  |   | $               | 6.8    |        |   | $      | 2.6    |   |   | $ | 9.4 |   |
|                                                                    |   |            |   |        |   |   |   |   |   |   |   |   |
| Total unrealized gains and (losses) included in non-operating           |   |            |   |        |   |   |   |   |   |
| income relating to assets and liabilities still on the                  |   |            |   |        |   |   |   |   |   |   |   |   |
| consolidated balance sheet at March 31, 2009                            |   | $               | -      |        |   | $      | (1.2   | )      |   | $ | (1.2 | ) |
|                                                                    |   |            |   |        |   |   |   |   |   |   |   |   |

| 16.   | TAXES |
|-----------------|-------|

|                         |   |       |   |   |   |   |
|------------------------------|--------|------------|--------|--------|--------|--------|
| Great Plains Energy          |   |       |   |   |   |   |
| Three Months Ended March 31  |   | 2010       |   |   | 2009   |   |
| Current income taxes         |   | (millions) |   |
| Federal                      |   | $          | (0.8   | )      |   | $      | (5.3 | ) |
| State                        |   |       | 0.8    |   |   |   | (1.4 | ) |
| Total                        |   |       | -      |   |   |   | (6.7 | ) |
| Deferred income taxes        |   |       |   |   |   |   |   |   |
| Federal                      |   |       | 3.8    |   |   |   | (22.4 | ) |
| State                        |   |       | 0.9    |   |   |   | (0.8 | ) |
| Total                        |   |       | 4.7    |   |   |   | (23.2 | ) |
| Noncurrent income taxes      |   |       |   |   |   |   |   |   |
| Federal                      |   |       | 0.8    |   |   |   | (1.6 | ) |
| State                        |   |       | 0.2    |   |   |   | (0.2 | ) |
| Foreign                      |   |       | 0.3    |   |   |   | (2.1 | ) |
| Total                        |   |       | 1.3    |   |   |   | (3.9 | ) |
| Investment tax credit        |   |       |   |   |   |   |   |   |
| Deferral                     |   |       | 4.2    |   |   |   | 8.1 |   |
| Amortization                 |   |       | (0.5   | )      |   |   | (0.6 | ) |
| Total                        |   |       | 3.7    |   |   |   | 7.5 |   |
| Income tax expense (benefit) |   | $          | 9.7    |   |   | $      | (26.3 | ) |
|                         |   |       |   |   |   |   |   |   |

|                        |   |       |   |   |   |   |
|-----------------------------|--------|------------|--------|--------|--------|--------|
| KCP&L                   |   |       |   |   |   |   |
| Three Months Ended March 31 |   | 2010       |   |   | 2009   |   |
| Current income taxes        |   | (millions) |   |
| Federal                     |   | $          | 16.2   |   |   | $      | (0.2 | ) |
| State                       |   |       | 3.1    |   |   |   | (0.1 | ) |
| Total                       |   |       | 19.3   |   |   |   | (0.3 | ) |
| Deferred income taxes       |   |       |   |   |   |   |   |   |
| Federal                     |   |       | (14.4  | )      |   |   | (8.8 | ) |
| State                       |   |       | (1.7   | )      |   |   | 0.2 |   |
| Total                       |   |       | (16.1  | )      |   |   | (8.6 | ) |
| Noncurrent income taxes     |   |       |   |   |   |   |   |   |
| Federal                     |   |       | 0.5    |   |   |   | (1.3 | ) |
| State                       |   |       | 0.1    |   |   |   | (0.1 | ) |
| Total                       |   |       | 0.6    |   |   |   | (1.4 | ) |
| Investment tax credit       |   |       |   |   |   |   |   |   |
| Deferral                    |   |       | 4.2    |   |   |   | 8.1 |   |
| Amortization                |   |       | (0.4   | )      |   |   | (0.4 | ) |
| Total                       |   |       | 3.8    |   |   |   | 7.7 |   |
| Total                       |   | $          | 7.6    |   |   | $      | (2.6 | ) |
|                        |   |       |   |   |   |   |   |   |

|                                    |                         |            |   |   |   |   |   |   |   |   |   |   |
|-----------------------------------------|------------------------------|-----------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| Great Plains Energy                     | Income Tax Expense (Benefit) | Income Tax Rate |
| Three Months Ended March 31             |                         | 2010            |   |   | 2009   |   |   | 2010   |   |   | 2009   |   |
|                                    |                         | (millions)      |   |   |   |   |   |   |   |
| Federal statutory income tax            |                         | $               | 10.5   |   |   | $      | (1.6   | )      |   |   | 35.0   | %      |   |   | 35.0 | % |
| Differences between book and tax        |                         |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| depreciation not normalized             |                         |            | (2.6   | )      |   |   | (3.5   | )      |   |   | (8.6   | )      |   |   | 75.0 |   |
| Amortization of investment tax credits  |                         |            | (0.5   | )      |   |   | (0.6   | )      |   |   | (1.8   | )      |   |   | 11.9 |   |
| Federal income tax credits              |                         |            | (1.9   | )      |   |   | (2.5   | )      |   |   | (6.5   | )      |   |   | 55.0 |   |
| State income taxes                      |                         |            | 0.9    |   |   |   | (0.6   | )      |   |   | 3.1    |   |   |   | 12.5 |   |
| Medicare Part D subsidy legislation     |                         |            | 2.8    |   |   |   | -      |   |   |   | 9.4    |   |   |   | - |   |
| Changes in uncertain tax positions, net |                         |            | 0.3    |   |   |   | (74.1  | )      |   |   | 1.1    |   |   |   | 1,599.4 |   |
| Valuation allowance                     |                         |            | -      |   |   |   | 56.0   |   |   |   | -      |   |   |   | (1,209.4 | ) |
| Other                                   |                         |            | 0.2    |   |   |   | 0.6    |   |   |   | 0.3    |   |   |   | (10.5 | ) |
| Total                                   |                         | $               | 9.7    |   |   | $      | (26.3  | )      |   |   | 32.0   | %      |   |   | 568.9 | % |
|                                    |                         |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

|                                    |                         |            |   |   |   |   |   |   |   |   |   |   |
|-----------------------------------------|------------------------------|-----------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| KCP&L                               | Income Tax Expense (Benefit) | Income Tax Rate |
| Three Months Ended March 31             |                         | 2010            |   |   | 2009   |   |   | 2010   |   |   | 2009   |   |
|                                    |                         | (millions)      |   |   |   |   |   |   |   |
| Federal statutory income tax            |                         | $               | 9.4    |   |   | $      | 2.0    |   |   |   | 35.0   | %      |   |   | 35.0 | % |
| Differences between book and tax        |                         |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| depreciation not normalized             |                         |            | (2.1   | )      |   |   | (2.3   | )      |   |   | (7.8   | )      |   |   | (39.5 | ) |
| Amortization of investment tax credits  |                         |            | (0.4   | )      |   |   | (0.4   | )      |   |   | (1.3   | )      |   |   | (6.1 | ) |
| Federal income tax credits              |                         |            | (1.9   | )      |   |   | (2.3   | )      |   |   | (7.2   | )      |   |   | (39.4 | ) |
| State income taxes                      |                         |            | 0.7    |   |   |   | -      |   |   |   | 2.6    |   |   |   | (0.2 | ) |
| Medicare Part D subsidy legislation     |                         |            | 2.8    |   |   |   | -      |   |   |   | 10.5   |   |   |   | - |   |
| Changes in uncertain tax positions, net |                         |            | -      |   |   |   | 0.1    |   |   |   | -      |   |   |   | 0.8 |   |
| Other                                   |                         |            | (0.9   | )      |   |   | 0.3    |   |   |   | (3.5   | )      |   |   | 5.5 |   |
| Total                                   |                         | $               | 7.6    |   |   | $      | (2.6   | )      |   |   | 28.3   | %      |   |   | (43.9 | ) % |
|                                    |                         |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

|                                       |                |     |      |   |        |   |     |   |   |        |   |   |
|--------------------------------------------|---------------------|----------|-----------|--------|-------------|--------|----------|--------|--------|-------------|--------|--------|
|                                       | Great Plains Energy |     | KCP&L |
|                                       |                | March 31 |      |   | December 31 |   | March 31 |   |   | December 31 |
|                                       |                | 2010     |      |   | 2009        |   | 2010     |   |   | 2009        |
|                                       | (millions)          |     |
| Beginning balance                          |                | $        | 51.4      |   |        | $      | 97.3     |   |   | $           | 20.9   |   |   | $ | 17.6 |   |
| Additions for current year tax positions   |                |     | 1.3       |   |        |   | 13.2     |   |   |        | 0.9    |   |   |   | 3.9 |   |
| Additions for prior year tax positions     |                |     | -         |   |        |   | 8.2      |   |   |        | -      |   |   |   | 3.0 |   |
| Additions for GMO prior year tax positions |                |     | -         |   |        |   | 11.6     |   |   |        | -      |   |   |   | - |   |
| Reductions for prior year tax positions    |                |     | (0.4      | )      |        |   | (1.3     | )      |   |        | (0.4   | )      |   |   | (0.8 | ) |
| Settlements                                |                |     | -         |   |        |   | (76.7    | )      |   |        | -      |   |   |   | (2.2 | ) |
| Statute expirations                        |                |     | -         |   |        |   | (0.7     | )      |   |        | -      |   |   |   | (0.6 | ) |
| Foreign currency translation adjustments   |                |     | 0.3       |   |        |   | (0.2     | )      |   |        | -      |   |   |   | - |   |
| Ending balance                             |                | $        | 52.6      |   |        | $      | 51.4     |   |   | $           | 21.4   |   |   | $ | 20.9 |   |
|                                       |                |     |      |   |        |   |     |   |   |        |   |   |   |   |   |   |

| 17.   | SEGMENTS AND RELATED INFORMATION |
|-----------------|----------------------------------|

|                          |   |             |   |   |   |   |   |         |   |
|-------------------------------|--------|------------------|--------|--------|--------|--------|--------|--------------|--------|
| Three Months Ended            |   | Electric Utility |   |   |   |   |   | Great Plains |
| March 31, 2010                |   | Other            |   |   | Energy |
|                          |   | (millions)       |
| Operating revenues            |   | $                | 506.9  |   |   | $      | -      |         |   | $ | 506.9 |   |
| Depreciation and amortization |   |             | (82.2  | )      |   |   | -      |         |   |   | (82.2 | ) |
| Interest charges              |   |             | (36.2  | )      |   |   | (10.3  | )            |   |   | (46.5 | ) |
| Income tax (expense) benefit  |   |             | (11.6  | )      |   |   | 1.9    |         |   |   | (9.7 | ) |
| Net income (loss)             |   |             | 24.9   |   |   |   | (4.6   | )            |   |   | 20.3 |   |
|                          |   |             |   |   |   |   |   |         |   |   |   |   |

|                          |   |             |   |   |   |   |   |         |   |
|-------------------------------|--------|------------------|--------|--------|--------|--------|--------|--------------|--------|
| Three Months Ended            |   | Electric Utility |   |   |   |   |   | Great Plains |
| March 31, 2009                |   | Other            |   |   | Energy |
|                          |   | (millions)       |
| Operating revenues            |   | $                | 419.2  |   |   | $      | -      |         |   | $ | 419.2 |   |
| Depreciation and amortization |   |             | (69.0  | )      |   |   | -      |         |   |   | (69.0 | ) |
| Interest charges              |   |             | (34.3  | )      |   |   | (3.0   | )            |   |   | (37.3 | ) |
| Income tax benefit            |   |             | 5.8    |   |   |   | 20.5   |         |   |   | 26.3 |   |
| Loss from equity investments  |   |             | -      |   |   |   | (0.1   | )            |   |   | (0.1 | ) |
| Net income                    |   |             | 7.4    |   |   |   | 14.3   |         |   |   | 21.7 |   |
|                          |   |             |   |   |   |   |   |         |   |   |   |   |

|                                                                             |   |             |    |   |   |         |                      |   |
|----------------------------------------------------------------------------------|--------|------------------|---------|--------|--------|--------------|---------------------------|--------|
|                                                                             |   | Electric Utility |    | Other  |   | Eliminations |  Great Plains Energy |
| March 31, 2010                                                                   |   | (millions)       |    |
| Assets                                                                           |   | $                | 8,905.8 |   |   | $            | 100.3                     |   |   | $ | (421.6 | ) |   | $ | 8,584.5 |   |
| Capital expenditures (a)                                                         |   |             | 176.9   |   |   |         | -                         |   |   |   | - |   |   |   | 176.9 |   |
| December 31, 2009                                                                |   |             |    |   |   |         |                      |   |   |   |   |   |   |   |   |   |
| Assets                                                                           |   | $                | 8,765.3 |   |   | $            | 152.5                     |   |   | $ | (435.0 | ) |   | $ | 8,482.8 |   |
| Capital expenditures (a)                                                         |   |             | 841.3   |   |   |         | -                         |   |   |   | - |   |   |   | 841.3 |   |
| (a) Capital expenditures reflect year to date amounts for the periods presented. |

|                                           |             |              |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|------------------------------------------------|------------------|-------------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
|                                           | Current Estimate | Previous Estimate |   |   |   |   |   |   |
|                                           | Range            | Range             | Change |
|                                           | (millions)       |              |
| Great Plains Energy's 73% share of Iatan No. 2 | $                | 1,222             |   |   | -      |   | $      | 1,251  |   | $      | 1,153  |   |   | -      |   | $      | 1,201  |   | $ | 69 |   |   | - |   | $ | 50 |   |
| KCP&L's 55% share of Iatan No. 2           |             | 919               |   |   | -      |   |   | 941    |   |   | 868    |   |   | -      |   |   | 904    |   |   | 51 |   |   | - |   |   | 37 |   |
|                                           |             |              |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

|                                                                     |
|--------------------------------------------------------------------------|
| Three Months Ended March 31                                              | 2010 | 2009 |
|                                                                     | (millions) |
| Operating revenues                                                       | $ | 506.9 |   | $ | 419.2 |   |
| Fuel                                                                     |   | (101.8 | ) |   | (87.6 | ) |
| Purchased power                                                          |   | (65.5 | ) |   | (57.2 | ) |
| Transmission of electricity by others                                    |   | (5.6 | ) |   | (6.0 | ) |
| Gross margin (a)                                                         |   | 334.0 |   |   | 268.4 |   |
| Other operating expenses                                                 |   | (189.8 | ) |   | (178.5 | ) |
| Depreciation and amortization                                            |   | (82.2 | ) |   | (69.0 | ) |
| Operating income                                                         |   | 62.0 |   |   | 20.9 |   |
| Non-operating income and expenses                                        |   | 14.5 |   |   | 11.9 |   |
| Interest charges                                                         |   | (46.5 | ) |   | (37.3 | ) |
| Income tax (expense) benefit                                             |   | (9.7 | ) |   | 26.3 |   |
| Loss from equity investments                                             |   | - |   |   | (0.1 | ) |
| Net income                                                               |   | 20.3 |   |   | 21.7 |   |
| Preferred dividends                                                      |   | (0.4 | ) |   | (0.4 | ) |
| Earnings available for common shareholders                               | $ | 19.9 |   | $ | 21.3 |   |
| (a)Gross margin is a non-GAAP measure.  See explanation below. |

|                                                                                      |
|-------------------------------------------------------------------------------------------|
| Three Months Ended March 31                                                               | 2010 | 2009 |
|                                                                                      | (millions) |
| Operating revenues                                                                        | $ | 506.9 |   | $ | 419.2 |   |
| Fuel                                                                                      |   | (101.8 | ) |   | (87.6 | ) |
| Purchased power                                                                           |   | (65.5 | ) |   | (57.2 | ) |
| Transmission of electricity by others                                                     |   | (5.6 | ) |   | (6.0 | ) |
| Gross margin (a)                                                                          |   | 334.0 |   |   | 268.4 |   |
| Other operating expenses                                                                  |   | (189.0 | ) |   | (175.2 | ) |
| Depreciation and amortization                                                             |   | (82.2 | ) |   | (69.0 | ) |
| Operating income                                                                          |   | 62.8 |   |   | 24.2 |   |
| Non-operating income and expenses                                                         |   | 9.9 |   |   | 11.7 |   |
| Interest charges                                                                          |   | (36.2 | ) |   | (34.3 | ) |
| Income tax (expense) benefit                                                              |   | (11.6 | ) |   | 5.8 |   |
| Net income                                                                                | $ | 24.9 |   | $ | 7.4 |   |
| (a) Gross margin is a non-GAAP measure.  See explanation under Great Plains Energy's |
| Results of Operations.                                                                    |

|                                          |
|-----------------------------------------------|
|                                          | Revenues and Costs | % |   | MWhs Sold | % |
| Three Months Ended March 31                   | 2010 | 2009 | Change |   | 2010 | 2009 | Change |
| Retail revenues                               | (millions) |   |   |   | (thousands) |   |   |
| Residential                                   | $ | 204.7 |   | $ | 168.8 |   |   | 21 |   |   |   | 2,539 |   |   | 2,291 |   |   | 11 |   |
| Commercial                                    |   | 182.3 |   |   | 157.3 |   |   | 16 |   |   |   | 2,624 |   |   | 2,550 |   |   | 3 |   |
| Industrial                                    |   | 40.4 |   |   | 35.5 |   |   | 14 |   |   |   | 745 |   |   | 729 |   |   | 2 |   |
| Other retail revenues                         |   | 4.2 |   |   | 3.9 |   |   | 10 |   |   |   | 25 |   |   | 29 |   |   | (6 | ) |
| Fuel recovery mechanism under (over) recovery |   | 13.6 |   |   | 11.8 |   |   | 16 |   |   | NA |   | NA |   | NA |   |
| Total retail                                  |   | 445.2 |   |   | 377.3 |   |   | 18 |   |   |   | 5,933 |   |   | 5,599 |   |   | 6 |   |
| Wholesale revenues                            |   | 49.7 |   |   | 28.7 |   |   | 73 |   |   |   | 1,323 |   |   | 813 |   |   | 63 |   |
| Other revenues                                |   | 12.0 |   |   | 13.2 |   |   | (8 | ) |   | NA |   | NA |   | NA |   |
| Operating revenues                            |   | 506.9 |   |   | 419.2 |   |   | 21 |   |   |   | 7,256 |   |   | 6,412 |   |   | 13 |   |
| Fuel                                          |   | (101.8 | ) |   | (87.6 | ) |   | 16 |   |   |   |   |   |   |   |   |   |   |   |
| Purchased power                               |   | (65.5 | ) |   | (57.2 | ) |   | 15 |   |   |   |   |   |   |   |   |   |   |   |
| Transmission of electricity by others         |   | (5.6 | ) |   | (6.0 | ) |   | (8 | ) |   |   |   |   |   |   |   |   |   |   |
| Gross margin                                  | $ | 334.0 |   | $ | 268.4 |   |   | 24 |   |   |   |   |   |   |   |   |   |   |   |
|                                          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

| ·   | Great Plains Energy’s receivables, net decreased $40.8 million primarily due to a $17.5 million decrease in customer accounts receivable resulting from seasonal decreases, a $7.4 million decrease in receivables from joint owners primarily related to the Iatan No. 2 project and a decrease in wholesale sales receivables of $4.5 million driven by a decrease in market rates. |
|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s accounts receivable pledged as collateral and collateralized note payable of $95.0 million reflects the adoption on January 1, 2010, of new accounting guidance for transfers of financial assets.  See Note 3 to the consolidated financial statements for additional information. |
|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s electric utility plant increased $66.0 million primarily due to $37.8 million placed in service for the Iatan No. 1 environmental project and certain Iatan facility common costs, in addition to normal plant activity. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s construction work in progress increased $68.3 million primarily due to an $80.6 million increase related to Iatan No. 2, partially offset by $37.8 million for projects placed in service as described above, in addition to normal plant activity. |
|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s notes payable and commercial paper increased $57.5 million and $17.4 million, respectively, due to increased borrowings driven by the timing of cash payments. |
|--------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s accounts payable decreased $104.2 million primarily due to the timing of cash payments, including payments related to KCP&L’s Comprehensive Energy Plan projects. |
|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s accrued taxes increased $22.5 million primarily due to the timing of property tax payments. |
|--------------------|-------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s accrued compensation and benefits decreased $10.3 million primarily due to the 2010 payment of amounts accrued at December 31, 2009. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ·   | Great Plains Energy’s long-term debt decreased $147.0 million primarily to reflect GMO’s $137.3 million 7.95% Senior Notes as current maturities.  Current maturities of long-term debt increased similarly. |
|--------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                                      |
|-------------------------------------------------------------------------------------------|
| Three Months Ended March 31                                                               | 2010 | 2009 |
|                                                                                      | (millions) |
| Operating revenues                                                                        | $ | 335.6 |   | $ | 277.5 |   |
| Fuel                                                                                      |   | (61.5 | ) |   | (52.7 | ) |
| Purchased power                                                                           |   | (27.3 | ) |   | (24.4 | ) |
| Transmission of electricity by others                                                     |   | (2.9 | ) |   | (2.9 | ) |
| Gross margin (a)                                                                          |   | 243.9 |   |   | 197.5 |   |
| Other operating expenses                                                                  |   | (139.9 | ) |   | (131.0 | ) |
| Depreciation and amortization                                                             |   | (63.5 | ) |   | (51.6 | ) |
| Operating income                                                                          |   | 40.5 |   |   | 14.9 |   |
| Non-operating income and expenses                                                         |   | 8.0 |   |   | 8.1 |   |
| Interest charges                                                                          |   | (21.7 | ) |   | (17.2 | ) |
| Income tax (expense) benefit                                                              |   | (7.6 | ) |   | 2.6 |   |
| Net income                                                                                | $ | 19.2 |   | $ | 8.4 |   |
| (a) Gross margin is a non-GAAP measure.  See explanation under Great Plains Energy's |
| Results of Operations.                                                                    |

|                                  |               |   |   |      |        |   |   |   |   |   |   |   |   |
|---------------------------------------|--------------------|--------|--------|-----------|-------------|--------|--------|--------|--------|--------|--------|--------|--------|
|                                  | Revenues and Costs | %      |   | MWhs Sold | %           |
| Three Months Ended March 31           | 2010               | 2009   | Change |      | 2010        | 2009   | Change |
| Retail revenues                       | (millions)         |   |   |      | (thousands) |   |   |
| Residential                           | $                  | 122.3  |   | $         | 98.5        |   |   | 24     |   |   |   | 1,461  |   |   | 1,310 |   |   | 12 |   |
| Commercial                            |               | 134.3  |   |      | 115.2       |   |   | 17     |   |   |   | 1,859  |   |   | 1,809 |   |   | 3 |   |
| Industrial                            |               | 26.3   |   |      | 23.5        |   |   | 12     |   |   |   | 448    |   |   | 450 |   |   | (1 | ) |
| Other retail revenues                 |               | 3.0    |   |      | 2.6         |   |   | 16     |   |   |   | 23     |   |   | 23 |   |   | 1 |   |
| Kansas ECA (over) under recovery      |               | 1.0    |   |      | 4.8         |   |   | (79    | )      |   | NA     |   | NA     |   | NA |   |
| Total retail                          |               | 286.9  |   |      | 244.6       |   |   | 17     |   |   |   | 3,791  |   |   | 3,592 |   |   | 6 |   |
| Wholesale revenues                    |               | 43.8   |   |      | 27.3        |   |   | 61     |   |   |   | 1,178  |   |   | 777 |   |   | 51 |   |
| Other revenues                        |               | 4.9    |   |      | 5.6         |   |   | (13    | )      |   | NA     |   | NA     |   | NA |   |
| Operating revenues                    |               | 335.6  |   |      | 277.5       |   |   | 21     |   |   |   | 4,969  |   |   | 4,369 |   |   | 14 |   |
| Fuel                                  |               | (61.5  | )      |      | (52.7       | )      |   | 17     |   |   |   |   |   |   |   |   |   |   |   |
| Purchased power                       |               | (27.3  | )      |      | (24.4       | )      |   | 12     |   |   |   |   |   |   |   |   |   |   |   |
| Transmission of electricity by others |               | (2.9   | )      |      | (2.9        | )      |   | (2     | )      |   |   |   |   |   |   |   |   |   |   |
| Gross margin                          | $                  | 243.9  |   | $         | 197.5       |   |   | 24     |   |   |   |   |   |   |   |   |   |   |   |
|                                  |               |   |   |      |        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

|                                  |                                                                                                           |                                                                                  |       |             |                                                                            |            |   |                                                                      |   |
|---------------------------------------|----------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------|------------|------------------|---------------------------------------------------------------------------------|-----------------|--------|---------------------------------------------------------------------------|--------|
| Issuer Purchases of Equity Securities |
|                                  |                                                                                                           |                                                                                  |       |             |                                                                            |            |   |                                                                      |   |   |   | Maximum Number |   |
|                                  |                                                                                                           |                                                                                  |       |             |                                                                            |            |   | Total Number of                                                           |   | (or Approximate |   |
|                                  |                                                                                                           |                                                                                  |       |             |                                                                            |            |   | Shares (or Units)                                                         |   | Dollar Value) of |   |
|                                  |                                                                                                           | Total                                                                                 |       |             |                                                                            | Purchased as    |   | Shares (or Units)                                                         |   |
|                                  |                                                                                                           | Number of                                                                             | Average    | Part of Publicly |                                                                            | that May Yet Be |   |
|                                  |                                                                                                           | Shares                                                                                | Price Paid | Announced        |                                                                            | Purchased Under |   |
|                                  |                                                                                                           | (or Units)                                                                            | per Share  | Plans or         |                                                                            | the Plans or    |   |
| Month                                 | Purchased                                                                                                      | (or Unit)                                                                             | Programs   |             | Programs                                                                        |            |
| January 1 - 31                        |                                                                                                           |     10,072                                                        |  (1)  |             |  $     20.65                                      |            |   |             - |   |   |   |  N/A |   |
| February 1 - 28                       |                                                                                                           |     83,411                                                        |  (2)  |             |         17.44                           |            |   |             - |   |   |   |  N/A |   |
| March 1 - 31                          |                                                                                                           |               - |       |             |              - |            |   |             - |   |   |   |  N/A |   |
|     Total         |                                                                                                           |     93,483                                                        |       |             |  $     17.79                                      |            |   |             - |   |   |   |  N/A |   |
| (1)                                   | Represents restricted common shares surrendered to the Company following the resignation of a certain officer. |
| (2)                                   | Represents common stock shares surrendered to the Company by certain officers to pay taxes related to the      |
|                                  | vesting of restricted common shares.                                                                           |

| Nominee                  |   | Votes For  |   | Votes Withheld |   | Broker Non-Votes |
|--------------------------|--------|------------|--------|----------------|--------|------------------|
| David L. Bodde           |   | 64,539,752 |   | 23,840,792     |   | 29,542,497       |
| Michael J. Chesser       |   | 81,965,756 |   | 6,414,788      |   | 29,542,497       |
| William H. Downey        |   | 84,433,728 |   | 3,946,816      |   | 29,542,497       |
| Randall C. Ferguson, Jr. |   | 83,605,540 |   | 4,775,004      |   | 29,542,497       |
| Gary D. Forsee           |   | 62,810,120 |   | 25,570,424     |   | 29,542,497       |
| James A. Mitchell        |   | 64,552,284 |   | 23,828,260     |   | 29,542,497       |
| William C. Nelson        |   | 62,781,774 |   | 25,598,770     |   | 29,542,497       |
| John J. Sherman          |   | 85,109,518 |   | 3,271,026      |   | 29,542,497       |
| Linda H. Talbot          |   | 64,478,518 |   | 23,902,026     |   | 29,542,497       |
| Robert H. West           |   | 64,497,686 |   | 23,882,858     |   | 29,542,497       |

| Votes For |   | Votes Against |   | Abstentions |
|----------------|--------|---------------|--------|-------------|
| 115,691,047    |   | 1,814,362     |   | 417,630     |

| ExhibitNumber |    | Description of Document                                                                                                                                                                  |
|---------------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.1.1        | +  | Form of 2010 three-year Performance Share Agreement.                                                                                                                                     |
| 10.1.2        | +  | Form of 2010 Restricted Stock Agreement.                                                                                                                                                 |
| 10.1.3        | +  | Great Plains Energy Incorporated Long-Term Incentive Plan Awards Standards and Performance Criteria Effective as of January 1, 2010.                                                     |
| 10.1.4        | +  | Great Plains Energy Incorporated, Kansas City Power & Light Company and KCP&L Greater Missouri Operations Company Annual Incentive Plan amended effective as of January 1, 2010. |
| 10.1.5        | +  | Great Plains Energy Incorporated Nonqualified Deferred Compensation Plan (as Amended and Restated for I.R.C. § 409A), amended effective January 1, 2010.                            |
| 12.1          |    | Computation of Ratio of Earnings to Fixed Charges.                                                                                                                                       |
| 31.1.a        |    | Rule 13a-14(a)/15d-14(a) Certifications of Michael J. Chesser.                                                                                                                           |
| 31.1.b        |    | Rule 13a-14(a)/15d-14(a) Certifications of Terry Bassham.                                                                                                                                |
| 32.1          |    | Section 1350 Certifications.                                                                                                                                                             |

| Exhibit Number |   | Description of Document                                                                                                                                                                                                                                                                       |
|----------------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.2.1         | * +    | Great Plains Energy Incorporated, Kansas City Power & Light Company and KCP&L Greater Missouri Operations Company Annual Incentive Plan amended effective as of January 1, 2010 (filed as Exhibit 10.1.4 hereto).                                                                     |
| 10.2.2         |   | Amendment dated as of May 5, 2010 to Receivables Sale Agreement dated as of July 1, 2005 among Kansas City Power & Light Company, Kansas City Power & Light Company Receivables Company, The Bank of Tokyo-Mitsubishi UFJ, Ltd., New York Branch and Victory Receivables Corporation. |
| 12.2           |   | Computation of Ratio of Earnings to Fixed Charges.                                                                                                                                                                                                                                            |
| 31.2.a         |   | Rule 13a-14(a)/15d-14(a) Certifications of Michael J. Chesser.                                                                                                                                                                                                                                |
| 31.2.b         |   | Rule 13a-14(a)/15d-14(a) Certifications of Terry Bassham.                                                                                                                                                                                                                                     |
| 32.2           |   | Section 1350 Certifications.                                                                                                                                                                                                                                                                  |

|                          | GREAT PLAINS ENERGY INCORPORATED     |
|-------------------------------|--------------------------------------|
|                          |                                 |
| Dated:  May 6, 2010 | By:  /s/Michael J. Chesser |
|                          | (Michael J. Chesser)                 |
|                          | (Chief Executive Officer)            |
|                          |                                 |
| Dated:  May 6, 2010 | By:  /s/Lori A. Wright     |
|                          | (Lori A. Wright)                     |
|                          | (Principal Accounting Officer)       |

|                          | KANSAS CITY POWER & LIGHT COMPANY |
|-------------------------------|---------------------------------------|
|                          |                                  |
| Dated:  May 6, 2010 | By:  /s/ Michael J. Chesser |
|                          | (Michael J. Chesser)                  |
|                          | (Chief Executive Officer)             |
|                          |                                  |
| Dated:  May 6, 2010 | By:  /s/Lori A. Wright      |
|                          | (Lori A. Wright)                      |
|                          | (Principal Accounting Officer)        |