Company:  GASTAR EXPLORATION INC. (GSTPA)
Form Type:  25-NSE
Filing Date:  9/14/2018 
CIK:  0001431372 
Address:  1331 LAMAR STREET
SUITE 650
 
City, State, Zip:  HOUSTON, Texas 77010 
Telephone:  (713) 739-1800 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$2.03  
Change: 
-0.07 (-3.33%)  
Trade Time: 
03:56 PM EST  
Market Cap: 
$8.21M
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Description of Business
We are a pure-play Mid-Continent independent energy company engaged in the exploration, development and production of oil, condensate, natural gas and NGLs. Our principal business activities include the identification, acquisition and subsequent exploration and development of oil and natural gas properties with an emphasis on unconventional reserves, such as shale resource plays. We hold a concentrated acreage position in the normally pressured oil window of the STACK Play, an area of central Oklahoma which is home to multiple oil and natural gas-rich reservoirs, including the Oswego limestone, Meramec and Osage bench formations within the Mississippi Lime, the Woodford shale and Hunton limestone formations.
Register and access this filing in:     
  FORM 25-NSE
  EXHIBIT 99.25