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Market Wire

Brigham Exploration Announces Significant Bakken Discoveries, Accelerated Williston Basin Drilling Program, Planned Three Forks Tests and Updates 2008 Capital Expenditure Budget

Market Wire,  July, 2008  

Brigham Exploration Company (NASDAQ: BEXP) announced the successful completion of its Mrachek 15-22 1H well, located west of the Nesson Anticline, at an early flowing production rate of approximately 727 barrels of oil equivalent per day. The company also announced the successful completion of its first well in its North Stanley area of Mountrail County, ND, the Johnson 33 #1H, at an early peak flowing rate of 618 barrels of oil equivalent per day. In addition, the company announced that completion operations are underway on two other Mountrail County Bakken wells, two significant Parshall/Austin area wells are currently drilling, and that at least one Three Forks well is planned for the second half of 2008 in Mountrail County. Further, Brigham Exploration Company is picking up a second operated rig in August to further accelerate its drilling program in the Williston Basin on both sides of the Nesson Anticline.

SIGNIFICANT WELLS RECENTLY COMPLETED, COMPLETING, DRILLING OR PREPARING TO
DRILL

Resource Plays       Objective  WI%  NRI          Status / Comments
-------------------  ---------- ---  ---  ---------------------------------
Mrachek 15-22 #1H      Bakken   100%  79% McKenzie County N.D. well's
                                           initial 24 hr rate 659 Bo & 407
                                           Mcfg per day on May 14th,
                                           recently flowing ~180 to 220
                                           barrels of oil equivalent,
                                           putting on pump
Johnson 33 #1H         Bakken    38%  30% Completing N. Stanley Area well
                                           early rate of 618 Boepd, flowing
                                           average ~560 Boepd over the last
                                           3 days
Manitou State 36 #1H   Bakken   100%  81% Completing Ross Area well,
                                           initial rate 305 Boepd,
                                           installing pump
Carkuff 22 #1H         Bakken    67%  55% Completing Ross Area well with
                                           frac scheduled for mid July,
                                           results in August
Kvamme 2 #1H           Bakken    50%  40% Drilling 1st operated
                                           Parshall/Austin Area well,
                                           results late August
Slawson Payara#1-21H   Bakken    18%  14% Drilling Slawson operated well ~
                                           3 miles west of Parshall Field,
                                           results in August
EOG Austin 25-35 1H    Bakken    25%  20% Reported July spud of
                                           Parshall/Austin Area offset to
                                           EOG Austin 8-26H with reported
                                           IP of 3,060 Bopd
Wayzetta 13-01H        Bakken    25%  20% Reported August spud of
                                           Parshall/Austin Area well near
                                           EOG Austin 8-26H
Williams Cnty Well     Bakken    59%  47% Planned August spud of well west
                                           of Nesson Anticline in ~100,000
                                           acre block between Field &
                                           Erickson
McKenzie Cnty Well     Bakken    64%  50% Planned September spud of well
                                           west of the Nesson Anticline in
                                           ~100,000 acre block northeast of
                                           Mrachek
Adix 25 #1H         Three Forks  32%  26% Planned August spud of Three
                                           Forks test in Ross Area, results
                                           in November
Afseth 34 #1-H       Bakken or   41%  33% Planned September spud of Bakken
                    Three Forks            or/and Three Forks test in North
                                           Stanley Area, results in
                                           October
Southern Ext. Well     Bakken   100%  85% Planned October spud in southern
                                           extensional area where Brigham
                                           controls over 31,000 net acres



Conventional Wells   Objective  WI%  NRI          Status / Comments
-------------------  ---------- ---  ---  ---------------------------------
SL 18826 #1            Miocene   50%  39% Main Pass well production tested
                                           at 15.4 MMcfgd, expected to
                                           produce 15-20 MMcfgd in late
                                           August
SL 19312 #1            Miocene   50%  38% Completing Chandeleur Sound well
                                           that encountered 24' apparent
                                           pay offsetting producer, prod'n
                                           test late July
SL 19054 #1            Miocene   50%  38% Currently drilling 3rd JV well at
                                           Breton Sound, testing amplitude
                                           attribute @ total depth ~8,000'
BLM 013045 #1          Miocene   50%  38% Planned September spud of 4th JV
                                           well at Romere Pass, testing
                                           amplitude attribute @ total
                                           depth ~8,000'
Cotten Land #5         Miocene   43%  33% Planned August spud of
                                           acceleration well developing
                                           behind pipe pay in Cotten Land
                                           #3
Harrison Unit #1      Melbourne  33%  25% Planned 3rd quarter spud of
                                           development well offsetting
                                           producer in Matagorda County
Cary Sr. Estate #1    Oligocene  40%  29% Currently completing
Richardson 30 #1      Red River  74%  56% 2nd Consecutive Red River
                                           discovery tested with initial
                                           rate of 168 Bopd, currently ~102
                                           Bopd