Lake Shore Gas Storage Inc.

Lake Shore Gas Storage Field
Columbiana and Mahoning Counties, Ohio

• Natural Gas Storage Facility
  • Located in the center of the extremely active Utica shale play
  • ~7,928 gross acres / ~7,470 net acres
  • 4.3 BCF maximum storage capacity in the Oriskany Sandstone Formation
    • Field currently has ~1.3 BCF base gas
  • ~2 BCF potential annual injections and withdrawals
    • Last active withdrawal in November 2010
    • Last injection activity in 2009
  • 18 wells directly on the field for injection and withdrawals
    • All wells in the Oriskany except for two monitoring wells
  • Injection potential from local production and withdrawal capability to
    TCO and three LDC’s
    • Majority of the area production is from the Clinton Formation or
      deeper formations such as the Beekmantown or Knox
  • Facility is capable of 3,000 MCFD injecting or withdrawals using current
    equipment and up to 10,000 MCFD potential with additional compression
  • Two way connection allows access to Columbia Gas Transmission via
    Cobra Pipeline Company
  • Dominion East Ohio transmission pipelines run adjacent to facility
    allowing the opportunity for more access and end users