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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1301063	Alpha Natural Resources Inc.	ANR	Bituminous Coal & Lignite Surface Mining (1221)	421638663

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1305737	R Michael Peelish	One Alpha Place P. O. Box 2345 Abingdon VA 24212	Evp & Chief Sustainability Off	No	Yes	No	No

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	Acquisiton	2010-12-29	20,000	$7.87	85,047	No	4	M	Direct
Common Stock	Disposition	2010-12-29	20,000	$58.00	65,047	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Options (Right to Buy)	Disposition	2010-12-29	20,000	$0.00	20,000	$7.87

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2014-08-10	No	4	M	Direct

Footnotes

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 2, 2010.
The 255,408 shares of common stock originally subject to this option were set to vest on August 10, 2012. Upon the achievement of certain annual performance targets, the options were subject to partial accelerated vesting. The Compensation Committee approved the vesting of 10 percent of the options effective December 31, 2004, 30 percent effective December 31, 2005, 15 percent effective December 31, 2006, 20 percent effective December 31, 2007, 5 percent effective February 11, 2008, 15 percent effective February 20, 2009, and 5 percent effective July 31, 2009.