Anadarko Minerals partners with American Patriot and Great Western Oil and Gas* adding producing Lu

Anadarko Minerals partners with American Patriot and Great
Western Oil and Gas* adding producing Lustre Field into the
Northern Star Project, Montana.

 New Montana (Williston Basin) JV with AOW, Great Western and Anadarko Minerals
 Anadarko delivers producing Lustre and Midfork oil fields into JV
 First conventional well on the Lustre field imminent
 First horizontal well in Ratcliffe formation due November 2014 (AOW free carried)
 Anadarko adds 11,957 gross acres creates gross acreage position of 61,489 acres
 17 new 3D generated conventional oil prospects with multiple targets and access to a
3D survey covering the entire field

Anadarko Minerals has partnered with AOW and Great Western on the Northern Star project in Valley
County Montana. The new JV brings the producing Lustre and Midfork conventional oil fields into AOW’s
wider Northern Star JV project. Anadarko delivers 11,957 gross acres and with all partners pooling their
acreage the Northern Star JV project now covers 61,489 gross acres. AOW’s net acreage position is
unchanged post the transaction and importantly AOW remains free carried for 2 horizontal Ratcliffe wells
and 2 optional horizontal wells by Great Western.