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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1034755	Brigham Exploration Co	BEXP	Crude Petroleum & Natural Gas (1311)	752692967

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1175986	B Eugene Shepherd	6300 Bridge Point Pkwy., Bldg.2 Ste.500 Austin TX 78730	Executive V.p. And Cfo	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, Par Value $.01	Acquisiton	2010-06-03	150,000	$4.20	261,081	No	4	M	Direct
Common Stock, Par Value $.01	Disposition	2010-06-03	70,955	$18.10	190,126	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	Incentive Stock Options	Disposition	2010-06-03	150,000	$4.20	150,000	$4.20

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
580,000	2007-06-10	2010-06-10	No	4	M	Direct

Footnotes

Exercise of expiring employee stock option to purchase 150,000 shares of company stock.
$18.0955 was the weighted average sale price for the transactions reported. The sales price ranged from a low of $18 and a high of $18.22. Upon request, reporting person will provide to the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each specific price.
The option shares vested in five equal annual installments beginning on June 10, 2003.