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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1376812	Patriot Coal Corp	PCX	Bituminous Coal & Lignite Mining (1220)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1441290	Arclight Capital Holdings, Llc	200 Clarendon Street 55Th Floor Boston MA 02117		No	No	Yes	Yes

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-03-09	2,000,000	$20.05	11,101,827	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote

Footnotes

The shares were sold by ArcLight Energy Partners Fund I, L.P. and ArcLight Energy Partners Fund II, L.P. to Credit Suisse Securities (USA) LLC in a transaction effected pursuant to Rule 144 of the Securities Act of 1933, as amended.
The Reporting Person may be deemed a member of a group beneficially owning 10% or more of the common stock of the Issuer within the meaning of Section 13(d) of the Securities Exchange Act of 1934. The Reporting Person disclaims beneficial ownership of all securities other than those held by ArcLight Energy Fund I, L.P. and ArcLight Energy Fund II, L.P. for which the Reporting Person acts as manager of their respective general partners, and this report shall not be deemed an admission that such a group exists or that the Reporting Person is the beneficial owner of the securities of such group for purposes of Section 16 or for any other purpose.