Filed by Patriot Coal Corporation
Pursuant to Rule 425 under the Securities Act of 1933
and deemed filed pursuant to Rule 14a-12
of the Securities Exchange Act of 1934


Subject Company: Patriot Coal Corporation
(Commission File No. 001-33466)

On April 3, 2008, Patriot Coal Corporation provided the following slides in conjunction with a conferencecall held by management in connection with the proposed acquisition of Magnum Coal Company. 

Acquisition of Magnum Coal Company April 2008

Patriot Coal Statement on Forward-Looking Information Some of the following information contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, as amended, and is intended to come within the safe-harbor protection provided by those sections. Important Information for Stockholders Patriot Coal Corporation (the "Company") will file a proxy statement/prospectus with the Securities and Exchange Commission (the "SEC") in connection with the proposed issuance of Company common stock in the transaction with Magnum Coal Company ("Magnum"). Investors and stockholders are urged to read the proxy statement/prospectus when it becomes available and any other relevant documents filed with the SEC because they will contain important information about the proposed issuance. Investors and stockholders may obtain these documents free of charge at the website maintained by the SEC at www.sec.gov. In addition, documents filed with the SEC by the Company are available free of charge by contacting investor relations by phone at (314) 275-3680, in writing to Janine A. Orf, Director of Investor Relations, or by email to jorf@patriotcoal.com. The final proxy statement/prospectus will be mailed to stockholders. This communication shall not constitute an offer to sell or the solicitation of an offer to buy securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction. The Company, Magnum and certain of their respective directors, executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies from the stockholders of the Company in connection with the proposed issuance. Information about the Company's directors and executive officers is set forth in the Company's Annual Report on Form 10-K for the year ended December 31, 2007 filed with the SEC on March 14, 2008 and in the Information Statement filed as Exhibit 99.1 to the Report on Form 8-K filed by the Company with the SEC on October 24, 2007. Additional information regarding the potential participants in the proxy solicitation and information regarding the interests of such potential participants will be included in the proxy statement/prospectus and the other relevant documents filed with the SEC when they become available. Forward Looking Statements Certain statements in this document are forward-looking as defined in the Private Securities Litigation Reform Act of 1995. These statements involve certain risks and uncertainties that may be beyond our control and may cause our actual future results to differ materially from expectations. We do not undertake to update our forward-looking statements. Factors that could affect our results include, but are not limited to: failure to obtain Company stockholder approval of the proposed issuance; availability and costs of financing; failure to obtain, delays in obtaining or adverse conditions contained in any required regulatory or other approvals; failure to consummate or delay in consummating the transaction for other reasons; changes in laws or regulations; changes in general economic conditions, including coal and power market conditions; the outcome of commercial negotiations involving sales contracts or other transactions; the Company's dependence on Peabody Energy Corporation in the near future; geologic, equipment and operational risks associated with mining; supplier and contract miner performance and the availability and cost of key equipment and commodities; the Company's ability to replace coal reserves; labor availability and relations; availability and costs of transportation; weather patterns affecting energy demand; legislative and regulatory developments; risks associated with environmental laws and compliance; the outcome of pending or future litigation; and the availability and costs of competing energy resources. The Company undertakes no obligation (and expressly disclaims any such obligation) to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. For additional information concerning factors that could cause actual results to materially differ from those projected herein, please refer to the Company's Form 10-K and 8-K reports. 1

Transaction Summary o Purchase price of ~$709 million, based on 4/2/08 closing price of PCX - 11.9 million newly-issued shares of PCX common stock - Assumption of ~$150 million of Magnum debt o Bridge financing in place for $150 million of assumed debt - Permanent financing expected by closing o Existing Patriot revolving credit facility amended to accommodate the transaction o Subject to regulatory & PCX stockholder approval, and other customary closing conditions o Expected closing around mid-year 2

Transaction Benefits Solidifies Patriot as a leading U.S. coal company Economies of Size, Scale & Scope o Significant commercial, operating & administrative synergies o Expanded resource base (reserves, equipment, human, other) o Opportunity to leverage existing systems & infrastructure Diversification of Resource Base o Magnum surface mining balances underground mining at Patriot o Combined resource portfolio provides enhanced long-term opportunities for low-cost organic growth Optimization of Coal Sales Portfolios o Substantial unpriced volume o Ability to increase metallurgical coal production & sales o Improved trading & brokerage opportunities o Optimize sourcing from larger set of operations Optimization of Mining Operations o Identify & incorporate best safety, engineering & operating practices from both organizations o Multiple quality & transportation options o Creates a larger platform for business development activities 3

Magnum Strengths Magnum is a well-established producer & marketer Strong Asset Base o Substantial reserve base with long reserve life of 30+ years o High-quality thermal & metallurgical coal o Strategically located assets in Central Appalachia with scale and scope advantages Safe, Efficient & Productive Operations o Low cost operations o Good balance of surface & underground operations o Attractive organic growth platform Balanced Contract Backlog o Over 40% of 2009 and 70% of 2010 production volumes unpriced o Unpriced position provides upside in strong pricing environment o Recent transactions have captured favorably priced multi-year business High-Quality Organization o Capable & experienced management and operating team o Numerous executives & managers from some of the largest, most successful industry players 4

Magnum Reserves and Operations Reserve Control Mining Method Coal Quality(1) Workforce(2) Leased 94.0% Surface 69% Noncompliance 41.6% Contractor 4% Owned 6.0% Underground 31% Compliance 58.4% Non-Union 52% Union 44% [map] (tons in millions) Mining Complex 2007 Production - -------------- --------------- Hobet 4.1 Samples 3.4 Apogee 3.0 Panther 1.8 Jupiter 1.5 Remington 1.4 Campbell's Creek 0.8 2007 Production 16.1 --------------- Total Reserves 606.6 ___________________________ 1. Based on percentage of 2007 production volume. 2. Workforce is estimated based on volumes produced by respective groups in 2008. 5

Overlay of Patriot and Magnum Properties Contiguous Appalachian properties create synergistic opportunities [map] 6

Solidifies Patriot Position as Premier CAPP Producer Patriot will become a leading U.S. producer and reserve holder 2007 Reserves (millions of tons) Estimated Holder Reserves ----------------------------------------------------------------- 1 U.S. Government 89,000 2 Great Northern Properties 20,000 3 Peabody 8,228 4 Consol 3,918 5 Arch 2,898 6 NACCO 2,335 7 Massey 2,224 8 Natural Resource Partners 2,145 COMBINED 1,869 9 Pocahontas Land Corp (Norfolk Southern) 1,750 10 Murray Energy 1,700 11 Foundation 1,585 12 Alliance 1,269 13 Rio Tinto 1,262 14 Patriot 1,262 15 ICG 932 16 Penn Virginia Resource Partners 818 17 Luminant Mining 718 18 Alpha 618 19 Magnum 607 20 Kiewit 600 21 BNI Coal 600 22 Kentucky River Properties 570 23 Westmoreland 415 24 BHP 319 25 Black Hills Corp. 280 2007 Production (millions of tons) Production Holder Tonnage ----------------------------------------------------------------- 1 Peabody 192.5 2 Rio Tinto 137.8 3 Arch 125.4 4 Foundation 71.9 5 Consol 64.6 6 Massey 39.5 COMBINED 37.6 7 NACCO 34.0 8 Kiewit 32.5 9 Westmoreland 30.0 10 Alpha 28.4 11 Luminant Mining 26.0 12 Alliance 24.3 13 Murray Energy 24.0 14 Patriot 21.5 15 ICG 16.6 16 Magnum 16.1 17 BHP 15.3 18 PacifiCorp 14.3 19 Chevron Mining 12.0 20 James River 11.2 21 Trinity Coal 9.0 22 TECO Coal 8.7 23 Richard Gilliam 7.6 24 Rhino Energy 7.3 25 Jim Booth 6.8 - ---------- Based on most recent available information. 7

Balanced Asset Mix Magnum combination improves Patriot's asset mix o Additional met coal production o More low-sulfur thermal coal production o Surface vs. underground diversification o Increased reserves of compliance coal Met vs. Steam Underground vs. Surface Union vs. Non-Union ------------- ----------------------- ------------------- Patriot Steam 77% Surface 11% Contractor 25% Met 23% Underground 89% Union 49% Non-Union 26% Magnum Steam 100% Surface 69% Contractor 4% Met 0% Underground 31% Union 44% Non-Union 52% Combined Steam 86% Surface 36% Contractor 16% Met 14% Underground 64% Union 46% Non-Union 38% ____________ Based on 2007 production volume. 8