Document:

Bayshore Exploration L.L.C.                         20501 Kay Freeway, Suite 216
                                                              Katy, Texas  77450
                                                            Phone (281) 646-1919
                                                              Fax (281) 647-9448

                             PARTICIPATION AGREEMENT

Bayshore Exploration L.L.C.
20501 Kay Freeway, Suite 216
Katy, Texas  77450

RE:      Cooke No. 3 Well
         Cooke Ranch Deep Prospect
         La Salle County, Texas

Gentlemen:

         Paxton Energy, Inc. ("PXTN") desires to apply for the purchase of a
working interest in the Cooke Ranch Deep Prospect in La Salle County, Texas.
PXTN ("Participant") hereby acknowledge that Bayshore Exploration L.L.C.
("Bayshore") will drill and put into production, if warranted, one test well
known as the Cooke No. 3 in the Cooke Ranch Field Are for Edwards, Glenrose,
Sligo, Hosston, Cotton Valley and/or Smackover oil/gas production.

         Participant hereby applies for the purchase of eight & one half (8.5)
percentage points at $107,000.00 per each percentage point (1.00% working
interest) payable upon application, and tender herewith a share exchange
agreement with a par value in the amount of $909,500.00.

         Participant hereby makes the following representations, warranties and
commitments.

Initial only what is applicable:

a. By executing this Participation Agreement, Participant has, subject to
financing; committed itself to become a (8.5%) working interest owner in this
prospect. KJM initials

b. The undersigned has such knowledge and experience in financial and business
matters that the undersigned is capable of evaluating the merits and risks of an
investment in this oil and gas prospect and of making an informed investment
decision. KJM initials

DRILLING OPERATIONS: Upon acceptance of the above recited consideration, on or
before July 31, 2005, Bayshore, with Bruington Engineering L.P. as operator,
agrees to drill and test, and if warranted, complete and equip one oil and/or
gas well at a location of Bayshore's choice on the subject leases described on
Exhibit "A" attached hereto, with the following terms and conditions:

<PAGE>

Page 2                                                             July 29, 2005

1. Bayshore shall permit said test well with the Railroad Commission of Texas,
survey and stake the drilling location, build a necessary lease road, prepare
the location, cure title to the drillsite, contract with third party contractors
and drill with due diligence on test well to a total depth of 21,000 feet, or a
depth sufficient to test the Smackover formation, log and test said well for the
purpose of establishing commercial oil/gas production or plugging and abandoning
same. Bayshore shall have the right to cease drilling operations if an
impenetrable substance or formation is encountered during the drilling of said
well at any depth below 10,000 feet. Bayshore shall deliver a 75% net revenue
interest in Participant in the Cooke No. 3 Well. Bayshore agrees that there
shall be no back-in or carried working interest attributable to Participant's
working interest in said test well.

2. Bayshore agrees that, during drilling and completion operations, Participant
shall receive the following:

         a. Daily drilling and completion reports on the subject well.
         b. Copies of all logs, tests and samples gained from the drilling and
            completion of the subject well.
         c. Copies of all Railroad Commission of Texas filings on the subject
            well.

3. In the event that an oil and/or gas well completion is attempted on the
subject test well, Participant agrees to pay its proportionate share of the
completion costs for the well per the Authority for Expenditure (AFE) attached
hereto as Exhibit "B" which equals $19,820.00 per each percentage point upon
written and/or verbal notification from Bayshore.

4. Attached hereto as Exhibit "C" is a Joint Operating Agreement Model Form
610-1989. Said Operating Agreement is incorporated herein and shall govern all
operations, including the Cooke No. 3 Well, on the Cooke Ranch Deep Prospect.
Subsequent operations and subsequent wells drilled and completed on the prospect
acreage shall be governed by the Joint Operating Agreement.

         Participant recognizes that an investment in oil and gas exploration
involves a high degree of risk of loss of its entire investment. Participant has
been advised to consult with its own financial advisors regarding this
investment. Its commitments to all investments bear a reasonable relationship to
its net worth and Participant is able to bear the risk of loss of its entire
investment in this prospect.

         In the event that a dispute arises between Participant and Bayshore or
its affiliates, or any of their respective successors, representatives, agents,
officers or employees, in connection with this offering, the offer and sale of
working interest, or this Participant Agreement, the parties hereto hereby
expressly agree that any such dispute shall be resolved through Arbitration
rather than litigation, and to submit the dispute to the American Arbitration
Association within 15 days after receiving a written request to do so. If any
party hereto fails to submit the dispute to Arbitration within the specified
time above, the requesting party may then file any papers necessary to commence
arbitration. The parties hereto agree that any hearing scheduled after an
Arbitration proceeding is initiated, by either party, shall take place in
Houston, Harris County, Texas.

         This Participation Agreement, and all of its terms and conditions,
represent the entire agreement between Participant and Bayshore pertaining to
the Cooke Ranch Deep Prospect, and supersedes any and all prior agreements,
written or oral. Any changes to this agreement must be agreed to in writing by
both parties hereto.

<PAGE>

Page 3                                                             July 29, 2005

         This Participation Agreement, and all of its terms and conditions,
shall be binding upon the parties hereto and shall extend to and be binding upon
their respective heirs, successors and assigns. Participant shall provide
Bayshore with written notice prior to assigning any or all of Participant's
working interest herein to at third party.

         Amount of Working Interest: Participant represents that it is
delivering herewith a check or certified funds on or before July 28, 2005 in the
amount of $107,000.00 per each percentage point. The total point(s) for which
Participant is offering to purchase and the total amount of the aforementioned
check or certified funds are as follows:

                  Total Point(s) Desired:                 Eight & one half (8.5)

                  Amount of Subscription:                 $909,500.00

**Make check payable to Bayshore Exploration L.L.C.

IN WITNESS WHEREOF, the undersigned has executed this Agreement on the date set
forth below:

20-1399613                                            /s/ Keith J. McKenzie COO
S.S. No./Federal I.D. No.                             Participant's Signature

1940 Zinfandel Dr. #R                                 Paxton Energy, Inc.
Business Address-Street                               Participant's Name & Date

Rancho Cordova CA 95670                               2041 East 5th Avenue
City, State & Zip                                     Home Address

916 797-0207                                          Vancouver, B.C. V5N 1M3
Business Telephone                                    City, State & Zip

916 797-0289                                          604 215 3832
Fax Number                                            Home Telephone

kjm@kjmcap.com
E-Mail Address

**Please note where and how you would like to receive your reports.

                                   ACCEPTANCE

         Bayshore Exploration L.L.C. hereby accepts the offer represented by the
foregoing Participation Agreement, subject to the terms and conditions thereof.

         AGREED AND ACCEPTED ON THIS 28TH DAY OF JULY, 2005.

         By: /s/ Jamin Swantner
            Jamin Swantner, President
JJS:jr
Exhibit "A", "B" & "C"Bayshore Exploration L.L.C.                         20501 Kay Freeway, Suite 216
                                                              Katy, Texas  77450
                                                            Phone (281) 646-1919
                                                              Fax (281) 647-9448

                             PARTICIPATION AGREEMENT

Bayshore Exploration L.L.C.
20501 Katy Freeway, Suite 216
Katy, Texas 77450

RE:      Cartwright No. 1 Well
         Cooke Ranch Prospect
         La Salle County, Texas

Gentlemen:

         I desire to apply for the purchase of a working interest in the Cooke
Ranch Prospect in La Salle County, Texas. I ("Participant") hereby acknowledge
that Bayshore Exploration L.L.C. ("Bayshore") will drill and put into
production, if warranted, a one-well prospect (Cartwright No. 1 Well) in the
Cooke Ranch Field Area for Wilcox and Escondido oil/gas production.

         I hereby apply for the purchase of 20 point(s) at $9,900.00 per each
point (1.00% working interest) payable upon application, and tender herewith a
check in the amount of $198,000.00.

         I hereby make the following representations, warranties and
commitments:

Initial only what is applicable:

a. By executing this Participation Agreement, I have committed myself to become
a (20%) working interest owner in this prospect. KJM initials

b. The undersigned has such knowledge and experience in financial and business
matters that the undersigned is capable of evaluating the merits and risks of an
investment in this oil prospect and of making an informed investment decision.
KJM initials

DRILLING OPERATIONS: Upon acceptance of the same above recited consideration,
Bayshore, as operator, agrees to drill and test, and if warranted, complete and
equip one oil and/or gas well at a location of Bayshore's choice on the subject
leases, with the following terms and conditions:

1. Bayshore shall permit said test well with the Railroad Commission of Texas,
survey and stake the drilling location, build a necessary lease road, prepare
the location, cure title to the drillsite, contract with third party contractors
and drill with due diligence one test well to a total depth of 6,800 feet, or a
depth sufficient to test the Escondido formation, log and test said well for the
purpose of establishing commercial oil/gas production or plugging and abandoning
same. Net revenue interest in the well is 75% before payout of the test well and
73% after payout.

<PAGE>

Page 2                                                         November 22, 2005

2. Bayshore agrees that, during drilling and completion operations, Participant
shall receive the following:

         a. Daily drilling and completion reports on the subject well.
         b. Copies of all logs, tests and samples gained from the drilling and
            completion of the subject well.
         c. Copies of all Railroad Commission of Texas filings on the subject
            well.

3. In the event that an oil and/or gas well completion is attempted on the
subject test well, Participant agrees to pay its proportionate share of the
completion costs for the well per the Authority for Expenditure (AFE) which
equals $4,500.00 per each percentage point upon written and/or verbal
notification from Bayshore.

4. In the event that commercial oil and/or gas production is established on the
subject leases with said test well, then both Participant and Bayshore shall
enter into a mutually acceptable Joint Operating Agreement Model Form 610-1989
for the operation of the subject well. All subsequent operations and subsequent
wells drilled and completed on the prospect acreage shall be governed by the
Joint Operating Agreement.

         I recognize that an investment in oil exploration involves a high
degree of risk of loss of my entire investment. I have been advised to consult
with my own financial advisors regarding this investment. My commitments to all
investments bear a reasonable relationship to my net worth and I am able to bear
the risk of loss of my entire investment in this prospect.

         In the event that a dispute arises between Participant and Bayshore or
its affiliates, or any of their respective successors, representatives, agents,
officers or employees, in connection with this offering, the offer and sale of
working interest, or this Participation Agreement, the parties hereto hereby
expressly agree that any such dispute shall be resolved through Arbitration
rather than litigation, and to submit the dispute to the American Arbitration
Association within 15 days after receiving a written request to do so. If any
party hereto fails to submit the dispute to Arbitration with in the specified
time above, the requesting party may then file any papers necessary to commence
arbitration. The parties hereto agree that any hearing scheduled after an
Arbitration proceeding is initiated, by either party, shall take place in
Houston, Harris County, Texas.

         This Participation Agreement, and all of its terms and conditions,
represent the entire agreement between Participant and Bayshore pertaining to
the Cooke Ranch Prospect, and supersedes any and all prior agreements, written
or oral. Any changes to this agreement must be agreed to in writing by both
parties hereto.

         Amount of Working Interest: Participant represents that he is
delivering herewith a check or certified funds in the amount of $7,200.00 per
each point. The total point(s) for which Participant is offering to purchase and
the total amount of the aforementioned check or certified funds are as follows:

                  Total Point(s) Desired:                           20

                  Amount of Subscription:                  $198,000.00

<PAGE>

Page 3                                                         November 22, 2005

**Make check payable to Bayshore Exploration L.L.C.

IN WITNESS WHEREOF, the undersigned has executed this Agreement on the date set
forth below:

                                                  /s/ Keith J. McKenzie
S.S. No./Federal I.D. No.                         Participant's Signature

The Marine Building
Suite 1150-355 Burrard Street                     Paxton Energy, Inc.
Business Address-Street                           Participant's Name & Date

Vancouver, B.C. Canada  V6C 2G8                   1150-355 Burrard Street
City, State & Zip                                 Home Address

604-215-3832                                      Vancouver, B.C. V6C 2G8
Business Telephone                                City, State & Zip

604-215-3831                                      604-215-3832
Fax Number                                        Home Telephone

kjm@paxtonenergyinc.com
E-Mail Address

**Please note where and how you would like to receive your reports.

                                   ACCEPTANCE

         Bayshore Exploration L.L.C. hereby accepts the offer represented by the
foregoing Participation Agreement, subject to the terms and conditions thereof.

         AGREED AND ACCEPTED ON THIS 20TH DAY OF NOVEMBER, 2005.

         By: /s/ Jamin Swantner
            Jamin Swantner, President
JJS:jr

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