EXTENSION AGREEMENT

                               EXTENSION AGREEMENT

          THIS  EXTENSION  AGREEMENT  (this  "Agreement"), dated as of March 30,
2006,  is  entered  into  by  and  between Exxon Mobil Corporation, a New Jersey
corporation  ("ExxonMobil"),  Harding  Company, a Texas corporation ("Harding"),
PetroSearch  Energy Corporation, a Nevada corporation ("PetroSearch"), Eagle Oil
&  Gas  Co.,  a  Texas  corporation ("Eagle"), and PS Gas Partners, LLC, a Texas
limited  liability company, in its individual capacity and as general partner on
behalf  of Gas Partners, L.P., a Texas limited partnership (collectively "PSG").

                                    RECITALS
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     WHEREAS,  ExxonMobil  and  Harding  entered  into  a  Lease Acquisition and
Exploration  Agreement  dated  June  29,  2005  (the  "Exploration  Agreement"),
pursuant  to  which  ExxonMobil  and  Harding  have agreed to participate in the
acquisition,  and  possible  joint  exploration  and development, of oil and gas
leases  (the "Leases") in portions of Dallas, Denton, Ellis, Johnson and Tarrant
Counties,  Texas,  subject  to  the  terms  and  conditions  set  forth  in  the
Exploration  Agreement;

     WHEREAS,  all  Leases  acquired  by  Harding  pursuant  to  the Exploration
Agreement are subject to the form Operating Agreement attached as Exhibit "C" to
the  Exploration Agreement, which includes a preferential right to purchase (the
"Preferential  Purchase  Right") in Article VIII.F of said Operating Agreement;

     WHEREAS,  Harding has agreed to sell an undivided interest in the Leases to
PetroSearch  pursuant  to  that  certain  First  Amended  and  Restated  Program
Agreement  dated  February  6,  2006,  between  PetroSearch  and  Harding  (the
"PetroSearch  Agreement");

     WHEREAS,  Harding has agreed to sell an undivided interest in the Leases to
Eagle pursuant to that certain Lease Acquisition and Exploration Agreement dated
effective February 17, 2006, between Eagle and Harding (the "Eagle Agreement");

     WHEREAS,  Harding  has  entered  into  an agreement with PSG dated dated as
December  15,  2005  (the  "PSG  Agreement");

     WHEREAS,  the  deadline ("PetroSearch Deadline") for ExxonMobil to exercise
the  Preferential  Purchase  Right with respect to Harding's proposed sale of an
interest in the Leases pursuant to the PetroSearch Agreement is March 31, 2006;

     WHEREAS,  ExxonMobil,  Harding  and  PetroSearch  desire  to  extend  the
PetroSearch  Deadline  with respect to ExxonMobil's exercise of the Preferential
Purchase  Right with respect to the PetroSearch Agreement from March 31, 2006 to
May  2,  2006,  in  order to give the parties to this Agreement adequate time to
explore  possible  alternatives  to  the  current  structure  of  ExxonMobil's
arrangement  with  Harding  under  the  Exploration  Agreement;

     WHEREAS,  the  deadline  ("Eagle  Deadline") for ExxonMobil to exercise the
Preferential  Purchase  Right  with  respect  to  Harding's  proposed sale of an
interest  in  the  Leases  pursuant  the  Eagle  Agreement  is  April 21, 2006;


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     WHEREAS,  ExxonMobil, Harding and Eagle desire to extend the Eagle Deadline
with  respect  to  ExxonMobil's exercise of the Preferential Purchase Right with
respect  to  the Eagle Agreement from April 21, 2006 to May 2, 2006, in order to
give  the  parties  to  this  Agreement  adequate  time  to  explore  possible
alternatives  to  the current structure of ExxonMobil's arrangement with Harding
under  the  Exploration  Agreement;

     WHEREAS,  the  deadline  ("PSG  Deadline")  for  ExxonMobil to exercise the
Preferential  Purchase  Right,  if  such  right  exists, with respect to the PSG
Agreement  has  not  yet  been  determined;

     WHEREAS, ExxonMobil, Harding and PSG desire to extend the PSG Deadline with
respect to ExxonMobil's exercise of the Preferential Purchase Right with respect
to  the  PSG  Agreement,  if  such  right  exists,  to a date (the "Extended PSG
Deadline")  which  is the later of (i) May 2, 2006 or (ii) the deadline provided
in  Article  VIII.F of said Operating Agreement, in order to give the parties to
this  Agreement  adequate  time  to explore possible alternatives to the current
structure  of  ExxonMobil's  arrangement  with  Harding  under  the  Exploration
Agreement;

     WHEREAS,  the parties wish to explore possible alternative structures under
which  an  integrated  venture could be formed which would include both upstream
and  pipeline  assets  and  activities,  which  would  better align each party's
interest,  and  which  would  enhance  the ability of the venture to assure that
adequate  pipeline  capacity  would  be available to move natural gas to market,
however, the parties are not in any manner whatsoever bound by or limited to the
foregoing  possible  structures  or  goals  and any party may propose expanding,
modifying  or  abandoning all or any part of such possible structures or goals;

     NOW,  THEREFORE,  for  and  in  consideration of the premises and to induce
ExxonMobil  to  delay  its  decision  regarding the exercise of the Preferential
Purchase  Right,  the  parties  hereby  covenant  and  agree  as  follows:

                                      AGREEMENT
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     1.     Extension  of  Deadlines
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     1.1     The  PetroSearch Deadline with respect to ExxonMobil's exercise of
the  Preferential  Purchase  Right  with respect to the PetroSearch Agreement is
hereby extended from March 31, 2006 to May 2, 2006.  ExxonMobil may exercise the
Preferential  Purchase  Right  with  respect to the PetroSearch Agreement at any
time  after  April  10,  2006,  and  on  or  before  May  2,  2006.

     1.2     The  Eagle  Deadline  with respect to ExxonMobil's exercise of the
Preferential  Purchase  Right  with  respect  to  the  Eagle Agreement is hereby
extended  from  April  21,  2006  to  May  2, 2006.  ExxonMobil may exercise the
Preferential  Purchase  Right  with  respect  to the Eagle Agreement at any time
after  April  10,  2006,  and  on  or  before  May  2,  2006.

     1.3     The  PSG  Deadline  with  respect  to ExxonMobil's exercise of any
Prefe