Document:

Exhibit 10.1

[CHEVRON LOGO]                                  North America Upstream
                                                Gulf of Mexico Land Division
                                                935 Gravier Street
                                                New Orleans, LA 70112
                                                Tel 504-592-6751
                                                Fax 504-592-7110

September 5, 2007

Ridgewood Energy Corporation                    Marlin Coastal, L.L.C.
11700 Old Katy Road,                            3861 Ambassador Caffery Parkway,
Suite 280                                       Suite 600
Houston TX, 77079                               Lafayette, LA 70503
Attention: Mr. W. Greg Tabor                    Attention: Mike Lipari

Helis Oil and Gas Company, LLC                  Houston Energy, L.P.
228 St. Charles Ave.                            1415 Louisiana Street
Suite 912                                       Suite 2400
New Orleans, LA 70130                           Houston, TX 77002
Attention: Doug St. Clair                       Attention: Allen Wihite

Participation Agreement
El Toro Prospect
---------------------------------------
West Cameron Block 57 OCS-G 21534 No. 3
Offshore, Gulf of Mexico

Gentlemen:

This Participation Agreement ("PA"), when executed by each of the Parties
hereto, being Chevron Midcontinent, L.P., formerly named Pure Resources, L.P.
("Pure"), Marlin Coastal, L.L.C. ("Marlin"), Helis Oil and Gas Company, LLC
("Helis"), Houston Energy, L.P. ("Houston Energy"), hereinafter Pure, Marlin,
Helis and Houston Energy being referred as the "Co-owners", and Ridgewood Energy
Corporation ("Ridgewood"), all inclusive parties sometimes hereinafter referred
to as the "Parties", will evidence the agreement between the Parties to explore,
develop and operate certain rights in the "Contract Area", as defined below. The
Parties hereby agree to the following terms and conditions:

1.   CONTRACT AREA. The Contract Area is the leasehold acreage that covers the
       following described property:

          West Cameron Block 57 (OCS-G 21534) as said lease covers depths from
          the surface of the earth down to the base of the CrisR-2 sand at a
          depth of 15,500' vertical sub-sea or to the base of the stratigraphic
          equivalent of the CrisR-2 sand, as seen in the Stone West Cameron
          Block 45 OCS-299 #20 By-Pass-1, whichever is the deeper but limited
          to the following acreage aliquots, hereinafter referred to as the
          "Contract Area".

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                              Ridgewood El Toro PA
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          N/2 NW/4 SW/4; S/2 SW/4 NW/4; NE/4 SW/4 NW/4; SW/4 SE/4 NW/4;
          -------------------------------------------------------------
          SW/4 NW/4 NE/4; S/2 NE/4 NW/4; SE/4 NW/4 NW/4; N/2 SE/4 NW/4;
          -------------------------------------------------------------

The Co-owners' leasehold and that certain Joint Operating Agreement between IP
Petroleum Company, Inc., as Operator, and The William G. Helis Company, L.L.C.,
et al, as Non-Operators, covering West Cameron Area, Block 57, dated July 1,
2000 ("OA"), attached hereto as Exhibit "B", being both the Co-owners' leasehold
and the OA interest in the Contract Area, to the best of our information and
belief is set out as shown in Exhibit "A" attached hereto, and the Contract Area
is hereinafter referred to as the "El Toro Prospect". The division of interest
in Exhibit "A" shall control in any conflict between this agreement and Exhibit
"A".

The "Working Interest w/ Leverage Percentage" column, as shown under the
Division of Interest on said Exhibit "A", sets forth the promoted interest to be
borne by Ridgewood and the leveraged interests to be borne by the Co-owners as
described in the rights and obligations of Article 3 and Article 4 herein below.
It is stipulated by all Parties that the interest of Houston Energy in the El
Toro Prospect has been committed to and assumed by the parties, such that
Houston Energy will be deemed to participate in the exploration of such prospect
through the delivery of its interest in such prospect and in the Contract Area
to the Parties for its Working Interest After Leverage Percentage rights and
interests but will not participate in, and will not be obligated for, the costs
or risk of the well for the El Toro Prospect, until Ridgewood has earned an
interest in the Contract Area pursuant to this PA and the Working Interest After
Leverage Percentages apply. In the event this PA terminates without an earning,
or Ridgewood does not earn and this PA expires, the Co owners' interests in the
Contract Area will revert to the OA working interests shown on Exhibit "A".

The "Working Interest After Leverage Percentage" column, shown under the
Division of Interest on said Exhibit "A", sets forth the interest of the Parties
in the well and the Contract Area, once and if Ridgewood has earned an interest
in the Contract Area pursuant to this PA.

Subject to Article 6 herein below, Ridgewood shall be provided access to land
records and files at the offices of Pure or Marlin during business hours for its
own independent review of the title materials related to the interest of the
Co-owners and to any unrestricted geologic and geophysical data for its own
independent review and analysis. Ridgewood may withdraw from this PA for
material title defects, which cannot be timely cured or which Co-owners decline
to cure, at any time prior to Marlin accepting a turnkey bid proposal from
Applied Drilling Technology Inc. ("ADTI") for the drilling of the well
contemplated hereunder. Any Ridgewood withdrawal shall terminate this Agreement
as to and among all Co-owners. Ridgewood shall supply each of the Co-owners a
copy, free of cost to the Co-owners, of any Contract Area title analysis
conducted by Ridgewood.

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2. INITIAL WELL AND OBJECTIVE. Subject to the other terms hereof, as well as
     weather delays, delivery of materials (e.g. pipe), rig availability and
     obtaining all requisite permits, Marlin, as the designated drilling
     operator, shall use reasonable business-like efforts to commence or cause
     to be commenced, on or before November 1, 2007, the drilling of the West
     Cameron Block 57, OCS-G 21534 No. 3 well, hereinafter sometimes referred to
     as the "Initial Well". Except as otherwise provided herein and after
     execution of this PA, the Parties hereby obligate themselves to participate
     in or support, in the case of Houston Energy, the drilling of the Initial
     Well for the exploration and production of oil and gas according to the
     terms and conditions of this PA. The Initial Well will be drilled and
     logged, with due diligence and in accordance with good oilfield practice,
     as per the final executed and approved Marlin Authority for Expenditure
     ("AFE") and well plan, as attached hereto as Exhibit "C", within the
     Contract Area, on West Cameron Block 57 OCS-G 21534. The Initial Well will
     be drilled and logged at a surface and bottom-hole location 6215' FNL &
     2684' FWL at the target location of LA-S NAD27 State Plane Coordinates
     X=1290829, Y=358059 of West Cameron Area, Block 57, to a depth of 15,500'
     vertical sub-sea or the base of the stratigraphic equivalent of the CrisR-2
     sand formation, where this sand top is expected to occur between -14,600'
     and -14,900' vertical sub-sea elevation, as seen in the Stone West Cameron
     Block 45 OCS-299 # 20 By-Pass-l, whichever depth is lesser, hereinafter
     referred to as the "Objective". Until that time the Initial Well has
     reached the Objective and all logging, testing and evaluation contemplated
     in the AFE has been completed and a recommendation has been made by Marlin,
     Ridgewood does not have the right to propose any operation but will hold a
     voting rights interest for its Working Interest w/ Leverage Percentage in
     operations proposed by others. Upon reaching the Objective and when all
     logging, testing and evaluation contemplated in the AFE has been completed
     and a recommendation has been made by Marlin, any recommendation or
     proposals by the Parties will be subject to all appropriate terms and
     conditions of the OA regarding subsequent operations, priority of
     operations, voting rights and penalties. After earning Ridgewood will
     become a rights holder under the OA for its Working Interest After Leverage
     Percentage, and operations conducted after that earning shall be subject to
     the OA provisions, including non-consent voting rights and penalty. For any
     Party, including Ridgewood, electing not to participate in any proposed
     operation after reaching the Objective and completion of all logging,
     testing and evaluation, its Working Interest After Leverage Percentage will
     be subject to the OA penalty for any exploratory well and its working
     interest, only after satisfaction of the OA's non-consent conditions and
     penalties, will be that as set out in Exhibit "A" of this PA, Division of
     Interest, in the column labeled "Working Interest After Leverage
     Percentage". Unless otherwise agreed by the Parties, each Party electing to
     participate in the operation after reaching the Objective may, but is not
     obligated to, elect to participate in any operations and bear that portion
     of the costs and risks attributable to the interests of the
     Non-participating Party in the ratio that the Participating Party's
     interest listed in the column labeled "Working Interest After Leverage
     Percentage" in Exhibit "A" bears to the total interest of all participating
     Parties under the same column. Such non-consent operation shall not proceed
     unless 100% of the costs and risks of that operation are assumed by the
     participating Parties and any penalty recoupment shall inure only to the
     participating Parties in proportion to its or their participation. As
     between the Parties, the Initial Well is proposed as an exploratory well as
     to financial penalties of the Contract Area during any recoupment period

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     and is to be drilled and logged pursuant to the terms and conditions of the
     AFE and OA. Such limited rights grant is not intended to vest ownership in
     the Contract Area in Ridgewood until such vesting of ownership to Ridgewood
     is earned as set out in Article 5 below. Upon earning an interest in the
     Contract Area pursuant to this PA, Ridgewood agrees to adopt and ratify the
     OA effective as of the date of earning. The terms and provisions of the OA
     are incorporated herein as if set forth in full, are not, by that
     incorporation, intended to create any operating rights area in which
     Ridgewood owns an interest in the Contract Area and apply, prior to any
     earning by Ridgewood but, solely to recognize the rights, privileges and
     protections of Marlin as the drilling operator, and each of the non-
     operating Co-owners, and for pre-earning notices, content and election
     periods and access by Ridgewood to the rig floor, but not otherwise.

3. PROSPECT WELL COST SHARING. Marlin has proposed and each of the Co-owners
     and Ridgewood have approved and agreed to participate for a share of the
     costs for or support, in the case of Houston Energy, the drilling and
     logging of the Initial Well in the Contract Area as set forth in the
     attached Exhibit "C" AFE. By executing this PA and obligating itself to
     participate in the Initial Well, Ridgewood holds the right to earn 33.4917%
     of 100% working interest of the Co-owners' interest in the Contract Area,
     upon meeting the obligations herein and in particular those set forth in
     Article 5 below for the Initial Well or Substitute Well, by paying 50.2375%
     (its Working Interest w/ Leverage percentage) of the costs, to the extent
     applicable under this PA, of drilling and logging to the Objective, and/or
     plugging and abandoning, as a dry hole if applicable, of the Initial Well
     or Substitute Well, up to seventeen million two hundred thousand dollars
     ($17,200,000.00) gross of the dry hole costs, without regard to the AFE
     amount. If the Initial Well's actual costs of drilling and logging to the
     Objective and/or plugging and abandoning as a dry hole if applicable
     exceeds the amount of seventeen million two hundred thousand dollars
     ($17,200,000.00) gross or upon reaching the Objective, whichever occurs
     first, Ridgewood will thereafter pay and bear 33.4917% (its Working
     Interest After Leverage Percentage) of the costs and risks of all
     subsequent operations in such well for further drilling and/or plugging and
     abandoning operations. Ridgewood will not hold the right to assume sole
     ownership of the Initial Well or become a sole participating party, until
     it earns as set out in Article 5. Marlin as drilling operator shall conduct
     any Ridgewood sole account operations. The Parties agree that should a
     Substitute Well, as specified in Article 10 below, be approved by the
     Parties and commenced, Ridgewood's obligation to pay 50.2375% of the AFE
     costs will cease at the point in time that the actual costs of drilling and
     logging to the objective and/or plugging and abandoning as a dry hole if
     applicable incurred in the Initial Well plus the actual costs incurred in
     the Substitute Well combined equal seventeen million two hundred thousand
     dollars ($17,200,000.00) gross; provided however, once the aggregate costs
     of the Initial Well and Substitute Well equal seventeen million two hundred
     thousand dollars ($17,200,000.00) gross, Ridgewood's share of all
     subsequent drilling and logging costs will be 33.4917%, subject to further
     rights, elections and provisions of this PA or the OA, as applicable.
     Effective upon and after reaching the Objective, but not before, the right
     to non-consent further or subsequent drilling or logging operations
     provided by the overexpenditure provision of the OA shall apply to
     subsequent operations. Prior to reaching the Objective, the Parties remain

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     bound to the obligations of the PA, subject to the other terms of Article
     2. It is the intention of the Parties, subject to this Article 3 and
     Article 4 below, that the 1.5:1 promote borne by Ridgewood in favor of the
     Co-owners under the PA for the costs and risk of drilling and logging
     operations conducted under the PA shall end upon the earlier of earning, as
     detailed in Article 5 below, or the aggregate expenditure of seventeen
     million two hundred thousand dollars ($17,200,000.00).

4. ADDITIONAL PROMOTE. The Parties further agree that, unless Ridgewood
     conducts sole account operations in the Initial Well under its Article 3
     right then otherwise, if the Initial Well or Substitute Well is completed
     for production as a successful well, that Ridgewood agrees to pay an
     additional promote by paying 50.2375% (its Working Interest w/ Leverage
     Percentage) of the costs, to the extent applicable under this PA, of
     completion, tie-back, flow-back and hook-up, up to ten million four hundred
     thousand dollars ($10,400,000.00) gross costs of the completion, tie-back,
     flow-back and hook-up costs. If the completion, tie-back, flow-back and
     hook-up actual cost exceeds the amount of ten million four hundred thousand
     dollars ($10,400,000.00) gross, Ridgewood will thereafter pay and bear
     33.4917% (its Working Interest After Leverage Percentage) of the costs and
     risks of all subsequent operations in such well over such completion,
     tie-back, flow-back and hook-up costs for further operations.

5. EARNING, ASSIGNMENT, TIMING & INTEREST TRANSFERRED. Ridgewood shall earn,
     Pure shall prepare and the Co-owners shall timely deliver, a mutually
     acceptable Assignment of Operating Rights ("Assignment") in the form
     attached hereto as Exhibit "F" in the Contract Area to Ridgewood, if and
     only if:

     a)   the Initial Well or Substitute Well is drilled and logged to the
          Objective as described in Article 2 above, or
     b)   if the Initial Well, or its Substitute Well, either fails to reach the
          Objective, or reaches the Objective, but the Parties have expended at
          least seventeen million two hundred thousand dollars ($17,200,000.00),
          whether such well is completed or not, then Ridgewood will be entitled
          to an Assignment of the Co-owners' operating rights for its Working
          Interest After Leverage Percentage, as set forth on Exhibit "A" as
          provided for herein, and
     c)   Ridgewood complies with all of the terms of this PA.

     Within thirty (30) days of satisfying a) and c) or b) and c) of the above
     referenced events, the Co-owners will assign, without warranty of title,
     express or implied and effective as of the date of its earning, to
     Ridgewood 33.4917% of 8/8ths gross and 26.1235% of 8/8ths net of the
     Co-owners' operating rights within the Contract Area, from the surface of
     the earth to the sub sea true vertical depth of 15,500' or to the
     stratigraphic equivalent of the base of the CrisR-2 sand as seen in the
     Stone West Cameron Block 45 OCS-299 # 20 By-Pass-l, whichever is the lesser
     depth. Such interest is further subject to and burdened by all of the
     contracts, agreements and dedications recited herein or of public record
     and lessor's royalty and the overriding royalty interests as set out on
     Exhibit "A" or in this PA.

     Notwithstanding a) and b) above but if the Initial Well or Substitute Well
     fails to reach the Objective, but encounters, as mutually agreed by all
     Parties, a zone(s) or formation(s) capable of producing in paying

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     quantities, above the Objective, that is within the Contract Area, and is
     completed for production under the PA where Ridgewood participates, and the
     Co-owners mutually agree to cease further drilling operations prior to
     reaching the Objective, Ridgewood will thereafter be entitled to an
     Assignment of operating rights within the Contract Area for its Working
     Interest After Leverage Percentage but limited to the total depth drilled
     and logged plus 100 feet. Rights under the OA in the event of an election,
     by any of the Co-owners, to non-consent to operations above Objective,
     where the Initial Well has not reached Objective or the Parties have not
     expended at least seventeen million two hundred thousand dollars
     ($17,200,000.00), are reserved solely to and among the Co-owners. That is,
     Ridgewood shall not hold any right to penalty recoupment.

6. WARRANTY. The transfer of any interest in the Contract Area pursuant to
     this PA to Ridgewood shall be made by the Co-owners without express or
     implied warranty of any kind. The Co-owners shall grant and convey to
     Ridgewood full subrogation and substitution to all the Co-owners' rights in
     warranty against the predecessors in interest of the Co-owners and its
     affiliates or merged entities. The Co-owners shall, subject to Article 1,
     provide Ridgewood full access to the Co-owners' files and records related
     to the Contract Area for independent review and analysis by Ridgewood. Such
     files and records are not warranted as complete or accurate but were
     maintained as business records upon which the Co-owners relied. Any
     reliance by Ridgewood is at its own risk.

7. NO NEW LEASE BURDENS. Until Ridgewood earns an interest under this PA, or
     until the right to earn a portion of the Co-owners' interest in the
     Contract Area pursuant to this PA terminates, Ridgewood and the Co-owners
     (except as specified in Article 15) agree that they have not and will not
     create any additional lease burdens or dedications on the Contract Area. No
     mortgage or pledge or financing arrangement by Ridgewood of this PA or any
     interest earned, whether before or after any such interest is earned or
     assigned, is ever permitted without the prior written consent of each of
     the Co-owners, which consent shall not be unreasonably withheld. Such
     condition shall be made express in any Assignment of earned area made to
     Ridgewood.

8. TRANSFER SUBJECT TO APPLICABLE APPROVALS. In the event that the transfer of
     any interest in and to the Contract Area requires approval of the lessor or
     of any federal agency having jurisdiction, the obligation to obtain such
     pertinent approval shall be Ridgewood's, at its cost and risk. The
     Co-owners agree to assist Ridgewood as necessary to help Ridgewood secure
     such approvals, including but not limited to the preparation of mutually
     agreeable assignments or conveyance instruments appropriate for filing and
     recordation purposes with the MMS and/or applicable parish records.

     Notwithstanding anything to the contrary, but excluding any lessor consent
     or approval, the Co-owners represent to Ridgewood that any consent to
     assign requirements that may effect a transfer of interest into Ridgewood
     upon its earning will be the responsibility of the Co-owners to effectuate
     on behalf of Ridgewood.

9. ACCOUNTING MATTERS. As to the Contract Area, all costs and expenses, which
     are accrued or incurred pursuant to this PA and under any transfer of
     interest in the Contract Area executed pursuant hereto, if any, shall be
     determined and accounted for in accordance with the Accounting Procedure,
     which is in Exhibit "C" of the OA, attached hereto as Exhibit "B".

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10. SUBSTITUTE WELL. If the Initial Well is drilled and prior to reaching the
     Objective, Marlin encounters mechanical difficulties, gulf coast conditions
     or other conditions which render further drilling impractical, or if the
     Parties agree, per Article 5 above, to complete the Initial Well above, but
     without reaching the Objective, then without limiting the Parties' rights
     pursuant to Article 5, then any of the Parties shall have the right to
     propose the drilling of another well to the Objective, hereinafter referred
     to as a "Substitute Well", at and to any legal location in the Contract
     Area, but such operations must commence within 180 days after the date the
     rig was released from the last operation on the Initial Well. If such well
     is proposed and Ridgewood participates and the Substitute Well is timely
     and properly commenced and drilled in compliance with all terms and
     conditions provided herein for the Initial Well, then such Substitute Well
     shall, in all respects (but, in any event, shall be subject to the Article
     3 and Article 4 cumulative cost sharing limitation for the Initial Well and
     Substitute Well) be considered as if it was the Initial Well and any
     references in this PA to the Initial Well shall also include any Substitute
     Well.

11. SUBSEQUENT OPERATIONS. Should Ridgewood earn hereunder as provided above
     and the Parties mutually agree to complete the Initial Well in the
     Objective, or should the Parties mutually agree, per Article 5 above, to
     complete the Initial Well above but without reaching the Objective, any
     such permitted wells and operations shall be conducted in accordance with
     the OA. Should Ridgewood earn hereunder and the Initial Well be deemed a
     dry hole, a subsequent well may be proposed by any of the Parties at any
     time as a Substitute Well, in accordance with the provisions of the OA but
     also subject to the other provisions of this PA bearing upon a Substitute
     Well.

12. DESIGNATIONS. The Parties agree to execute the necessary designation of
     operator forms and any other forms required by the MMS or other regulatory
     authorities to carry out their operations and to make Marlin, the drilling
     operator under the PA, if required, and Pure the Operator under the OA,
     with any earning by Ridgewood.

13. OPERATING AGREEMENT. Before any earning by Ridgewood under this PA and any
     ratification or execution of the Exhibit "B" OA after earning under the PA,
     Ridgewood acknowledges the Co-owners' interest available to Ridgewood
     hereunder remains bound under this PA and the OA. Should Ridgewood earn
     hereunder, Ridgewood shall formally ratify the OA, attached hereto as
     Exhibit "B", only as it pertains to the Contract Area and earned rights.
     Notwithstanding any other provision of this PA that might indicate to the
     contrary, if there is any conflict between any other provision of this PA
     and a provision of the OA, the other provisions of this PA shall prevail,
     as between the Parties, prior to any earning.

14. TERM. This PA shall automatically terminate, without liability or
     obligation, in the event the Initial Well is not commenced on or before
     November 1, 2007, subject only to weather delays, delivery of materials
     (e.g. pipe), rig availability and obtaining all requisite permits.

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     Once and if a well has been drilled and logged in which Ridgewood
     participates and earns and which participation entitles Ridgewood to an
     Assignment as provided above in Article 5, those PA rights and obligations
     surviving the earning and the OA shall remain in effect as to such Contract
     Area, so long as any obligations between the Parties remain unsatisfied.
     Unless otherwise provided, the PA shall terminate with an earning by
     Ridgewood as a dry hole and the end of the right to propose a Substitute
     Well or with the completion, tie-back, and flow-back and hook-up for a
     successful completion. Matters arising after either such event shall be
     governed by the OA, with the exception, that the Tax Partnership and all
     obligations not satisfied under the PA, the Dispute Resolution as set out
     in Article 27 and Confidentiality Agreement and AMI as set out in Article
     15.C 3, shall survive any such termination of this PA.

15. REPRESENTATIONS. The business records of the Co-owners reflect with respect
     to the Contract Area and El Toro Prospect that:
          A.   The Contract Area is dedicated and committed to the following
               Contracts and Agreements;
            1) Natural Gas Processing Agreement-Gulf of Mexico, between Chevron
               U.S.A. Inc., Texaco Exploration and Production Inc. (predecessor
               in interest to Chevron U.S.A. Inc.) and Dynegy Midstream Services
               Limited Partnership (now called "TARGA Midstream Services,
               Limited Partnership"), as amended, effective March 1, 2002.
            2) Reserve Dedication and Discount Commodity Rate Agreement, between
               Stingray Pipeline Company, L.L.C. and Pure Resources, L.P.,
               effective June 15, 2003.
            3) Amendment to Reserve Dedication and Discount Commodity Rate
               Agreement June 15, 2003, between Pure Resources, L.P. and
               Stingray Pipeline Company, L.L.C., effective April 29, 2005.
            4) Reserve Dedication Agreement, between Stingray Pipeline Company,
               L.L.C. and Marlin Coastal LLC, effective April 1, 2006.

          B.   All required filings have been made with the applicable
               regulatory authorities and Co-owners are not aware of any
               notices, pending or threatened violations of any applicable
               regulation.

          C.   The Contract Area is subject to the following Contracts and
               Agreements:
            1) Oil and Gas Lease dated July 1, 2000 from the U.S. Department of
               the Interior, Minerals Management Service, as Lessor, to IP
               Petroleum Company, Inc., The William G Helis Company, L.L.C. and
               Houston Energy, Inc., as Lessee, being Serial Number OCS-G 21534,
               covering All of Block 57, West Cameron Area, OCS Leasing Map,
               Louisiana Map No. 1, subject to;
                    a.   Assignment of Overriding Royalty and Reversionary
                         Interest in Oil and Gas Lease from IP Petroleum
                         Company, Inc., The William G Helis Company, L.L.C. and
                         Houston Energy, Inc. to Louisiana Offshore Ventures II,
                         effective July 1, 2000.
                    b.   Assignment of Record Title from IP Petroleum Company,
                         Inc. to Duke Energy Hydrocarbons, LLC, effective July
                         1, 2000.

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                    c.   Assignment of Record Title from IP Petroleum Company,
                         Inc. to Pure Resources, L.P., effective October 1,
                         2000.
                    d.   Assignment of Record Title from The William G Helis
                         Company, L.L.C. to Pure Resources, L.P., effective July
                         1, 2001.
                    e.   Assignment of Record Title from Pure Resources, L.P. to
                         Houston Energy, L.P., effective July 1, 2001.
                    f.   Assignment of Record Title from Marlin Energy Offshore,
                         L.L.C. to Marlin Coastal, L.L.C., effective April 1,
                         2005.
          2)   Joint Operating Agreement between IP Petroleum Company, Inc., as
               Operator, and The William G Helis Company, L.L.C., et al as
               Non-Operators, covering West Cameron Area Block 57, dated July 1,
               2000, as amended May 30, 2001, Memorandum of Joint Operating
               Agreement to which has been recorded under File Number 267001,
               Conveyance Book 918, Mortgage Book 254 of the Official Public
               Records of Real Property of Cameron Parish, Louisiana and under
               File Number 12-267001 of the UCC records of the State of
               Louisiana and further amended by Amendment to Joint Operating
               Agreement Outer Continental Shelf-Gulf of Mexico dated December
               17, 2004.
          3)   MOPU Lease Agreement dated February 28, 2003 between Union Oil of
               California and Blake Offshore, L.L.C., as amended and extended.
          4)   Confidentiality Agreement and AMI dated July 31, 2007 between
               Pure Resources, L.P. and Ridgewood Energy Corporation.
          5)   Counter Proposal to Ridgewood's Offer to Participate letter dated
               August 21, 2007, as Parties agreed and accepted on August 21,
               2007.

     D.   The Co-owners represents, to the best of its knowledge, that with
          respect to that portion of the Lease the Co-owners are contributing to
          the Contract Area that:
          1)   The Co-owners are in material compliance with the terms and
               conditions of the Lease.
          2)   The Lease is not subject to any royalty, overriding royalty, net
               profits interest or other similar burden on production, except as
               referenced above or of public record, and the lessor's royalty.
          3)   There are no liens, mortgages, deeds of trust, judgments or other
               encumbrances of any kind or nature on the Lease or the Co-owners
               working interest in the Lease.
          4)   There are no pending claims or litigation relative to the Lease.
          5)   There are no preferential purchase rights, consents to assign or
               other restrictions on the Co-owners ability to enter into this
               Agreement or they are waived by the execution of this PA by each
               of the Co-owners.
          6)   There are no other owners of working interests in the Lease
               included within the Contract Area, who are not a party to this
               PA.

16. INTEGRATED AGREEMENT. Except as provided in Article 18 below, this PA and
     the Exhibits attached hereto comprise the entire agreement between the
     Parties and supersedes all prior agreements and understandings relating to
     the subject matter hereof, including the Counter Proposal to Ridgewood's
     Offer to Participate letter dated August 21, 2007, between the Parties.
     Further, excepting what is provided in Article 18 below, in the event of
     any conflicts between the provosions of this PA and any other agreement,
     including any operating

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     agreement or any agreement referenced herein as an exhibit or to be
     executed by the Parties hereafter, the provisions of this PA shall control,
     as between the Parties, prior to any earning by Ridgewood.

17. TAX PARTNERSHIP. The Parties understand and agree that the arrangement and
     undertakings evidenced by this PA, taken together, result in a partnership
     for purposes of Federal income taxation and for purposes of certain state
     income tax laws which incorporate or follow Federal income tax principles
     as to tax partnerships. Such partnership for tax purposes is hereinafter
     referred to as the "Tax Partnership". For every other purpose of this PA,
     however, and notwithstanding any other provision of this PA, express or
     implied, to the contrary, the Parties understand and agree that their legal
     relationship to each other under applicable state law with respect to all
     property subject to this PA is one of tenants in common, or undivided
     interest owners, or lessee-sublessees, and not one of partnership; that the
     liabilities of the Parties shall be several and not joint or collective;
     and that each Party shall be solely responsible for its own obligations.
     The Tax Partnership shall be governed by Exhibit "D" as attached to this
     PA. Except as provided in such Exhibit "D", the Parties agree not to elect
     to have the Tax Partnership excluded from the application of all or any
     part of Subchapter K of Chapter One of Subtitle A of the Internal
     Revenue Code of 1986, as amended (the "Code"), from any successor
     provisions thereto under the Code, or from any provisions of state income
     tax laws of substantially the same effect.

     The Parties agree that the election to be excluded from the application of
     Subchapter K of Chapter One of Subtitle A of the Code made in Article 20.1
     of the OA is no longer operative for the El Toro Prospect Contract Area and
     that the provisions of Exhibit "D" will survive the termination of this PA.

18. AREA OF MUTUAL INTEREST. Notwithstanding any other agreement to the
     contrary, and both prior to and after any Ridgewood earning of any interest
     in the Contract Area described herein in Article 1, the Confidentiality
     Agreement and AMI dated July 31, 2007 between Pure Resources, L.P. and
     Ridgewood Energy Corporation as referenced above in Article 15.C.3 shall
     survive and will control any AMI obligations between the Parties and the
     Parties further agree that the provisions of the referenced Confidentiality
     Agreement and AMI shall take precedence over the PA.

19. PRODUCTION HANDLING AGREEMENT. Whereas the Co-owners may continue to
     utilize the MOPU under terms of agreement referenced above or install a
     permanent production facility to handle earned area production and others,
     the Parties agree to handle and process Ridgewood production as set forth
     below.
     a)   It is recognized that the MOPU Lease requires at least 90 days notice
          of termination prior to March 3, 2008. Pure, for the Co-owners, will
          continue to utilize the MOPU to handle earned area production, if any,
          up until that time. Should it be deemed economic by the Co-owners, the
          Co-owners may propose a permanent facility, at the cost and risk of
          the Co-owners solely, and not Ridgewood, or terminate the MOPU Lease
          as of March 3, 2008, at the sole election of Pure with the consent of
          the Co-owners. If warranted by the facts as of November 26, 2007 and
          in the good faith opinion of Pure, Pure, for the Parties, agrees to
          seek

                                  Page 10 of 16
                              Ridgewood El Toro PA
                                September 5, 2007

<PAGE>

          to negotiate a month-to-month MOPU Lease extension or exercise its
          right to extend the MOPU Lease under its terms for an additional year.
          In the event of a dry hole under this PA, the Co-owners are freed from
          any obligations to Ridgewood for, and Ridgewood releases any right to,
          the MOPU Lease and its utilization. Pure and the Co-owners make no
          representation and disclaim that any extension of the MOPU Lease
          beyond March 3, 2008 is assured; and,

     b)   In the event Ridgewood participates in a completion for production
          under this PA and during any period Ridgewood production is handled by
          and at the MOPU, Ridgewood's charges and expenses for the receipt,
          handling and re-delivery into a departing transportation pipeline at
          the MOPU host facility of its share of production will be calculated,
          invoiced and paid on a through-put basis on its share of the allocated
          production from the West Cameron Block 57 OCS-G 21534 No. 3 El Toro
          prospect well, being the Initial Well or a Substitute Well, at the
          Ridgewood after earning interest of 33.4917% in the production from
          and for such well as to all production handled at the MOPU under the
          Accounting Procedure attached to the Operating Agreement as and for
          facilities supplied by the operator. If Ridgewood's share of Contract
          Area production is handled by and at any permanent facility set by,
          and the cost, risk and expense of, the Co-owners, Ridgewood will not
          be required to contribute capex towards such facility, however,
          Ridgewood shall enter into a mutually acceptable production handling
          agreement with the Co-owners, prior to first production handling into
          an permanent facility, in which the following handling terms and fees
          shall be incorporated into the production handling agreement; 1) $0.15
          /MCF gas, 2) $1.00/bbl oil, 3) $1.00/bbl water, 4) $0.05 per stage of
          compression, 5) annual escalation of such production handling fees and
          any monthly minimum fee to adjust for inflation based on the Annual
          Wage Index Percentage Adjustment recommended each year by the Council
          of Petroleum Accountants Society ("COPAS"), 6) a monthly minimum fee
          of $5000.00 for any month the cumulative production handling fees are
          less than that dollar amount, 7) an allocation of natural gas for
          fuel, vent, flare and loss, borne in kind or, alternatively, at the
          cost of replacement, if Ridgewood volumes are insufficient, 8) a
          reservation by the Co-Owners, as owners of such permanent facility,
          for re-negotiation of the production handling fees for any unusual
          market condition materially increasing the costs bearing upon the
          materials or services provided under the PHA and 9) a unilateral
          indemnity and insurance obligation in favor of Co-owners, as
          processor, for losses and claims arising from the receipt, handling
          and re-delivery of the production. Other generally accepted PHA terms
          shall be incorporated but as to financial matters, Co-owners shall be
          limited to the terms and fees above.

20. REASSIGNMENT. Ridgewood agrees to reassign the interest assigned as per
     Article 5 above, in the event that 1) Ridgewood has earned by reaching
     Objective or expenditure of obligated funds but where no well drilled
     hereunder is mutually deemed as capable of producing in paying quantities
     from any portion of the Contract Area within 180 days from the lapse of the
     right to propose a Substitute Well under the PA or 2) at any time after
     production in paying quantities is established on, and Ridgewood has earned
     in, the Contract Area, should there be a cessation of all production in
     paying quantities from the Contract Area, Ridgewood will have one hundred
     eighty (180) days after cessation of production in which to commence
     additional

                                  Page 11 of 16
                              Ridgewood El Toro PA
                                September 5, 2007

<PAGE>

     drilling, completion or reworking operations, and should operations fail to
     result in production in paying quantities attributable to any of the
     Contract Area, the Co-owners shall hold the right to elect that Ridgewood
     reassign to the Co-owners holding an interest in the Lease and in
     proportion to that Lease ownership all of the Ridgewood interest in the
     Contract Area, where Ridgewood retains all prior obligations until
     satisfied. This reassignment obligation due to cessation of operations or
     production, as described above, shall apply for so long as the Co-owners,
     their successors or assigns, an interest in the Contract Area. In the event
     of any reassignment to the Co-owners, their successors or assigns, the
     Contract Area or portion thereof shall be reassigned free from any
     overriding royalty, lien, encumbrance, dedications or other burden placed
     thereon by Ridgewood. In addition, reassignment shall not relieve Ridgewood
     of liability for obligations assumed, which accrued prior to said
     reassignment, including, without limitation, the obligation to plug and
     abandon any well in which Ridgewood participated in or on the Contract
     Area.

21. GOVERNING LAW. This PA shall be governed by and in accordance with the laws
     of the State of Louisiana, without regard to any choice of law or rule
     thereof that would direct the application of the laws of any other
     jurisdiction.

22. INDIVIDUAL LIABILITY. The rights, duties, elections, obligations, and
     liabilities of the Parties shall be several and not joint or collective,
     and nothing contained herein is intended to create, nor shall it be
     construed as creating, a partnership of any kind (except the tax
     partnership specified in Article 17 above), joint venture, association, or
     other business entity recognizable by law for any purpose. The Parties
     shall be individually responsible only for their own obligations, except as
     herein described.

23. NOTICES. All notices required hereunder shall be in writing sent by
     certified mail or overnight mail delivery, or by facsimile
     telecommunications to the addresses set forth below, and shall be deemed
     effective when actually received by the addressee, as follows:

--------------------------------------------------------------------------------
      Ridgewood Energy Corporation                      Chevron U.S.A. Inc.
      11700 Old Katy Road, Suite 280                    935 Gravier Street
            Houston TX 77079                          New Orleans, LA 70112
            Tel: (281) 293-8449                         Tel:  (504) 592-6356
           Fax: (281) 293-7705                          Fax:  (504) 592-7110
           Attn: W. Greg Tabor                         Attn: Gordon R. Cain
         Executive Vice President                          Land Manager

          Houston Energy, L.P.                         Marlin Coastal, L.L.C.
           1415 Louisiana Street                3861 Ambassador Caffery Parkway
                Suite 2400                                   Suite 600
           Houston, TX 77002                           Lafayette, LA 70503
           Tel: (713) 650-8008                         Tel:  (337) 769-4339
           Fax: (713) 650-8305                         Fax:  (337) 769-4342
        Attention: Allen Wihite                       Attention: Mike Lipari
--------------------------------------------------------------------------------

                                  Page 12 of 16
                              Ridgewood El Toro PA
                               September 5, 2007

<PAGE>

--------------------------------------------------------------------------------
        Helis Oil and Gas Company, LLC
             228 St. Charles Ave.
                  Suite 912
           New Orleans, LA 70130
             Tel: (504) 681-3321
            Fax:  (504) 522-6486
          Attention: Doug St. Clair
--------------------------------------------------------------------------------

24. COUNTERPART EXECUTION. This PA may be executed by signing the original or a
     counterpart thereof with the same force and legal effect as if all
     executions were on one single instrument.

25. SUCCESSORS AND ASSIGNS. This PA shall be binding upon and inure to the
     benefit of the Parties and their respective heirs, representatives,
     successors and assigns. Ridgewood shall not assign, mortgage, pledge,
     transfer or exchange their rights or interests in this PA or any rights
     earned hereunder without the prior written consent of each of the
     Co-owners, which consent shall not be unreasonably withheld.

26. INSURANCE. Ridgewood shall, to the extent of its before earning interest,
     independently acquire the coverage and amounts as shown on Exhibit "B" OA
     and provide evidence of such coverage to Pure prior to commencement of
     operations hereunder. Such coverage and limits shall not in any way limit
     any Ridgewood indemnity due the Co-owners.

27. DISPUTE RESOLUTION. Notwithstanding anything contained heretofore in this
     PA to the contrary, the Parties specifically acknowledge and agree that any
     claim, controversy or dispute arising out of, relating to, or in connection
     with this PA, including the interpretation, validity, termination or breach
     thereof, shall be resolved solely in accordance with the Dispute Resolution
     Procedure set forth in Exhibit "E" attached hereto and made a part hereof.

28. INDEMNITY.

     A.   Ridgewood, to the full extent of its rights and interests hereunder,
          agrees to protect, indemnify, and save the Co-owners, its parents,
          subsidiaries, affiliates, and/or successors and the directors,
          officers, employees or agents of each ("Co-owners Company Group") free
          and harmless from all obligations, business dealings, liabilities,
          debts, charges, claims, damages, demands, costs (including attorneys'
          fees and court costs), penalties and causes of action arising directly
          or indirectly out of any dealing with third parties Ridgewood has with
          regard to financing or the assignment of, in whole or in part, any
          rights under this PA and to relieve the Co-owners Company Group from
          any and all liability (exclusive of business debts and charges)
          incurred as a result of such actions. The indemnities and covenants of
          this Article 28 shall be effective whether or not such obligations,

                                  Page 13 of 16
                              Ridgewood El Toro PA
                                September 5, 2007

<PAGE>

     business dealings, liabilities, debts, charges, claims, damages, demands,
     costs (including attorneys' fees and court costs), penalties and causes of
     action aforesaid are caused wholly or partly by negligence attributed to
     the Co-owners Company Group, or by any other means, excepting those
     occurrences involving the gross negligence or willful misconduct of the
     Co-owners Company Group.

     B.   The Co-owners, to the full extent of their rights and interests
          hereunder, agree to protect, indemnify, and save Ridgewood, its
          parent, subsidiaries, affiliates, and/or successors and the directors,
          officers, employees or agents of each ("Ridgewood Company Group") free
          and harmless from all obligations, business dealings, liabilities,
          debts, charges, claims, damages, demands, costs (including attorneys'
          fees and court costs), penalties and causes of action arising directly
          or indirectly out of any dealings with third parties the Co-owners has
          with regard to financing or the assignment of, in whole or in part,
          any rights under this PA and to relieve the Ridgewood Company Group
          from any and all liability (exclusive of business debts and charges)
          incurred as a result of such actions. The indemnities and covenants of
          this Article 28 shall be effective whether or not such obligations,
          business dealings, liabilities, debts, charges, claims, damages,
          demands, costs (including attorneys' fees and court costs), penalties
          and causes of action aforesaid are caused wholly or partly by
          negligence attributed to the Ridgewood Company Group, or by any other
          means excepting those occurrences involving the gross negligence or
          willful misconduct of the Ridgewood Company Group.

     C.   The Co-owners shall, as between the Co-owners, remain solely liable
          for all liabilities, costs and risks of any kind or nature arising out
          of its operations relating to the OA that are not related to this PA
          and in which Ridgewood does not participate, including, but not
          limited to the plugging and abandonment and remediation of all
          existing wells, platforms and other facilities on the Contract Area,
          if any.

29. DISCLAIMER OF WARRANTY.

     THIS PA IS MADE WITHOUT ANY WARRANTY OF TITLE. THE CO-OWNERS FURTHER DO NOT
     WARRANT EITHER EXPRESS, STATUTORY OR IMPLIED, AS TO TITLE, MERCHANTABILITY,
     CONDITION, QUALITY OR FITNESS FOR A PARTICULAR PURPOSE AS TO THE LEASE IN
     THE CONTRACT AREA, AND ALL OTHER PROPERTY COVERED BY THIS PA, INCLUDING,
     BUT NOT LIMITED TO THE WELL BORES, EQUIPMENT AND FACILITIES UTILIZED BY THE
     PARTIES HEREUNDER, OR ANY OTHER SORT OF WARRANTY AND IS WITHOUT RECOURSE
     AGAINST THE CO-OWNERS WHATSOEVER, EVEN AS TO THE RETURN OF CONSIDERATION.
     THE CO-OWNERS MAKE NO REPRESENTATIONS OR WARRANTIES REGARDING RIDGEWOOD'S
     RIGHT OF INGRESS TO AND EGRESS FROM THE CO-OWNERS LEASE ACROSS ADJACENT OR
     ADJOINING LANDS.

                                  Page 14 of 16
                              Ridgewood El Toro PA
                               September 5, 2007

<PAGE>

     THE CO-OWNERS SPECIFICALLY DISCLAIM, AND RIDGEWOOD EXPRESSLY WAIVES ANY
     IMPLIED WARRANTY OF TITLE WITH RESPECT TO THE LEASE IN THE CONTRACT AREA.
     RIDGEWOOD ACKNOWLEDGES THAT THIS EXPRESS WAIVER SHALL BE CONSIDERED A
     MATERIAL AND INTEGRAL PART OF THIS PA AND PART OF THE CONSIDERATION GIVEN
     THEREFOR. RIDGEWOOD FURTHER ACKNOWLEDGES THAT THIS WAIVER HAS BEEN
     SPECIFICALLY BROUGHT TO RIDGEWOOD'S ATTENTION AND THAT RIDGEWOOD HAVE
     VOLUNTARILY AND KNOWINGLY CONSENTED TO THIS WAIVER. THE PARTIES AGREE THAT
     FOR THE PURPOSES OF THIS WAIVER OF THE IMPLIED WARRANTY OF TITLE, CO-OWNERS
     SHALL BE CONSIDERED AS A SELLER.

     RIDGEWOOD ACKNOWLEDGES THAT (i) IT IS A SOPHISTICATED INVESTOR NON-OPERATOR
     IN THE OIL AND GAS BUSINESS; (ii) IT UNDERSTANDS THE RISKS INVOLVED IN OIL
     AND GAS EXPLORATION AND DEVELOPMENT; AND (iii) IT UNDERSTANDS THAT UNDER
     ITS PARTICIPATION RIDGEWOOD ASSUMES ALL OF THE RISKS ATTENDANT TO THE
     EXPLORATION AND PRODUCTION OPERATIONS CONTEMPLATED UNDER THIS PA AND THAT
     THE RIDGEWOOD INVESTMENT MADE HEREUNDER IN THOSE OPERATIONS CONDUCTED UNDER
     THIS PA IS FULLY AT RISK.

Please indicate your agreement to the terms and conditions as set forth by
executing this PA and the set of four (4) signature pages in the space provided
and return to the attention of Ron Munn at the letterhead address on or before
October 5, 2007 and Pure will distribute original signature pages to all the
parties.

                                  Page 15 of 16
                              Ridgewood El Toro PA
                                September 5, 2007

<PAGE>

AGREED TO AND ACCEPTED this 26 day of Sept, 2007.

CHEVRON MIDCONTINENT, L.P.
By Chevron Midcontinent Operations Company, Its General Partner

By:  /s/ Michael C. Smith
     --------------------
         Michael C. Smith

Title: Assistant Secretary

AGREED TO AND ACCEPTED this _____ day of ____________, 2007.

HELIS OIL AND GAS COMPANY, LLC

By:  _________________________

Title:________________________

AGREED TO AND ACCEPTED this _____ day of ____________, 2007.

HOUSTON ENERGY, L.P.

By:  _________________________

Title:________________________

AGREED TO AND ACCEPTED this _____ day of ____________, 2007.

MARLIN COASTAL, L.L.C.

By:  _________________________

Title:________________________

AGREED TO AND ACCEPTED this 27th day of September 2007.

RIDGEWOOD ENERGY CORPORATION

By:  /s/ W. A. Tabor
     ---------------
         W. Greg Tabor

Title: Executive Vice President

                                  Page 16 of 16
                              Ridgewood El Toro PA
                                September 5, 2007Exhibit 10.1
                                  ------------

                          AGREEMENT AND PLAN OF MERGER

         This AGREEMENT AND PLAN OF MERGER (hereinafter called this
"Agreement"), dated as of November 14, 2007, is entered into between Certified
Technologies Corporation, a Nevada corporation ("Certified Technologies Nevada")
and Certified Technologies Corporation, a Minnesota corporation (the "Company")

         RECITALS

         WHEREAS, the board of directors of each of Certified Technologies
Nevada and the Company deems it advisable, upon the terms and subject to the
conditions herein stated, that the Company be merged with and into Certified
Technologies Nevada, and that Certified Technologies Nevada be the surviving
corporation (the "Reincorporation Merger"); and

         WHEREAS, this Agreement has been approved by separate vote of the
holders of shares of common stock of the Company ("common stock") at a special
meeting.

         NOW, THEREFORE, in consideration of the premises and of the agreements
of the parties hereto contained herein, the parties hereto agree as follows:

                                    ARTICLE I

                   THE REINCORPORATION MERGER; EFFECTIVE TIME

         1.1. The Reincorporation Merger. Upon the terms and subject to the
conditions set forth in this Agreement, at the Effective Time (as defined in
Section 1.2), the Company shall be merged with and into Certified Technologies
Nevada, whereupon the separate existence of the Company shall cease. Certified
Technologies Nevada shall be the surviving corporation (sometimes hereinafter
referred to as the "Surviving Corporation") in the Reincorporation Merger and
shall continue to be governed by the laws of the State of Nevada. The
Reincorporation Merger shall have the effects specified in the Minnesota
Business Corporation Act of the State of Minnesota as amended (the "MBCA") and
in the Nevada Revised Statutes as amended (the "NRS") and the Surviving
Corporation shall succeed, without other transfer, to all of the assets and
property (whether real, personal or mixed), rights, privileges, franchises,
immunities and powers of the Company, and shall assume and be subject to all of
the duties, liabilities, obligations and restrictions of every kind and
description of the Company, including, without limitation, all outstanding
indebtedness of the Company.

         1.2. Effective Time. Provided that the condition set forth in Section
5.1 has been fulfilled or waived in accordance with this Agreement and that this
Agreement has not been terminated or abandoned pursuant to Section 6.1, on the
date of the closing of the Reincorporation Merger, the Company and Certified
Technologies Nevada shall cause Articles of Merger to be executed and filed with
the Secretary of State of Nevada (the "Nevada Articles of Merger") and a
Articles of Merger to be executed and filed with the Secretary of State of
Minnesota (the "Minnesota Articles of Merger") . The Reincorporation Merger
shall become effective upon the date and time specified in the Nevada Articles
of Merger and the Minnesota Articles of Merger (the "Effective Time")

<PAGE>

                                   ARTICLE II

                 CHARTER AND BYLAWS OF THE SURVIVING CORPORATION

         2.1. The Certificate of Incorporation. The certificate of incorporation
of Certified Technologies Nevada in effect at the Effective Time shall be the
certificate of incorporation of the Surviving Corporation, until amended in
accordance with the provisions provided therein or applicable law.

         2.2. The Bylaws. The bylaws of Certified Technologies Nevada in effect
at the Effective Time shall be the bylaws of the Surviving Corporation, until
amended in accordance with the provisions provided therein or applicable law.

                                   ARTICLE III

               OFFICERS AND DIRECTORS OF THE SURVIVING CORPORATION

         3.1. Officers. The officers of the Company at the Effective Time shall,
from and after the Effective Time, be the officers of the Surviving Corporation,
until their successors have been duly elected or appointed and qualified or
until their earlier death, resignation or removal.

         3.2. Directors. The directors of the Company at the Effective Time
shall, from and after the Effective Time, be the directors of the Surviving
Corporation, until their successors have been duly elected or appointed and
qualified or until their earlier death, resignation or removal.

                                   ARTICLE IV

                        EFFECT OF MERGER ON CAPITAL STOCK

         4.1.  Effect of Merger on Capital Stock. At the Effective Time, as a
result of the Reincorporation Merger and without any action on the part of the
Company, Certified Technologies Nevada or the shareholders of the Company:

         (a) Each share of common stock (other than shares ("Dissenting Shares")
that are owned by shareholders ("Dissenting Shareholders") exercising
dissenters' rights pursuant to Sections 302A.471 and 473 of the MBCA, issued and
outstanding immediately prior to the Effective Time shall be converted at a
ratio of six (6) shares of common stock, no par value, of the Company for one
(1) share of Certified Technologies Nevada Common Stock, par value $.001
("Nevada Common Stock"), with the same rights, powers and privileges as the
shares so converted and all shares of common stock shall be cancelled and
retired and shall cease to exist. No fractional shares will be issued and all
Nevada Common Stock ownership will be rounded to the nearest full share.

<PAGE>

         (b) Each option, warrant or other security of the Company issued and
outstanding immediately prior to the Effective Time shall be (i) converted into
and shall be an identical security of Certified Technologies Nevada at the ratio
of six (6) shares of common stock of the Company for one (1) share of Nevada
Common Stock and (ii) in the case of securities to acquire common stock,
converted into the right to acquire shares of Nevada Common Stock on the same
terms and at the same ratio as the common stock of the Company are converted
into Nevada Common Stock, and at a price equal to six (6) times the current
exercise price. The same number of shares of Nevada Common Stock shall be
reserved for purposes of the exercise of such options, warrants or other
securities as is equal to the number of shares of the common stock so reserved
as of the Effective Time.

         (c) Each share of Nevada Common Stock owned by the Company shall no
longer be outstanding and shall be cancelled and retired and shall cease to
exist.

         4.2. Certificates. At and after the Effective Time, all of the
outstanding certificates which immediately prior thereto represented shares of
common stock (other than Dissenting Shares), options, warrants or other
securities of the Company shall be deemed for all purposes to evidence ownership
of and to represent the shares of the respective Nevada Common Stock, options,
warrants or other securities of Certified Technologies Nevada, as the case may
be, into which the shares of common stock, options, warrants or other securities
of the Company represented by such certificates have been converted as herein
provided and shall be so registered on the books and records of the Surviving
Corporation or its transfer agent. The registered owner of any such outstanding
certificate shall, until such certificate shall have been surrendered for
transfer or otherwise accounted for to the Surviving Corporation or its transfer
agent, have and be entitled to exercise any voting and other rights with respect
to, and to receive any dividends and other distributions upon, the shares of
Nevada Common Stock, options, warrants or other securities of Certified
Technologies Nevada, as the case may be, evidenced by such outstanding
certificate, as above provided.

         Further, as soon as practicable after the Effective Date, Corporate
Stock Transfer, Inc. will send shareholders, who hold all of their shares in
certificate form, a letter of transmittal. The letter of transmittal will
contain instructions on how to surrender certificate(s) representing the shares
of common stock of the Company owned to the transfer agent. Upon receipt of such
shareholder's certificate, subject to the aforementioned ratio of six (6) shares
of common stock of the Company for one (1) share of Nevada Common Stock, such
shareholder will be issued a new stock certificate for shares of Nevada Common
Stock.

         4.3. Dissenters' Rights. No Dissenting Shareholder shall be entitled to
shares of Nevada Common Stock under this Article IV unless and until the holder
thereof shall have failed to perfect or shall have effectively withdrawn or lost
such holder's right to dissent from the Reincorporation Merger under the MBCA,
and any Dissenting Shareholder shall be entitled to receive only the payment
provided by Section 302A.473 with respect to Dissenting Shares owned by such
Dissenting Shareholder. If any person or entity who otherwise would be deemed a
Dissenting Shareholder shall have failed to properly perfect or shall have
effectively withdrawn or lost the right to dissent with respect to any shares
which would be Dissenting Shares but for that failure to perfect or withdrawal
or loss of the right to dissent, such Dissenting Shares shall thereupon be
treated as though such Dissenting Shares had been converted into shares of
Nevada Common Stock pursuant to Section 4.1 hereof.

<PAGE>

                                    ARTICLE V

                                    CONDITION

         5.1. Condition to Each Party's Obligation to Effect the Reincorporation
Merger. The respective obligation of each party hereto to effect the
Reincorporation Merger is subject to receipt prior to the Effective Time of the
requisite approval of this Agreement and the transactions contemplated hereby by
the holders of common stock pursuant to the MBCA and the Articles of
Incorporation of the Company.

                                   ARTICLE VI

                                   TERMINATION

         6.1. Termination. This Agreement may be terminated, and the
Reincorporation Merger may be abandoned, at any time prior to the Effective
Time, whether before or after approval of this Agreement by the shareholders of
the Company, if the board of directors of the Company determines for any reason,
in its sole judgment and discretion, that the consummation of the
Reincorporation Merger would be inadvisable or not in the best interests of the
Company and its shareholders. In the event of the termination and abandonment of
this Agreement, this Agreement shall become null and void and have no effect,
without any liability on the part of either the Company or Certified
Technologies Nevada or any of their respective shareholders, directors or
officers.

                                   ARTICLE VII

                            MISCELLANEOUS AND GENERAL

         7.1. Modification or Amendment. Subject to the provisions of applicable
law, at any time prior to the Effective Time, the parties hereto may modify or
amend this Agreement; provided, however, that an amendment made subsequent to
the approval of this Agreement by the holders of common stock shall not (i)
alter or change the amount or kind of shares and/or rights to be received in
exchange for or on conversion of all or any of the shares or any class or series
thereof of such corporation, (ii) alter or change any provision of the
certificate of incorporation of the Surviving Corporation to be effected by the
Reincorporation Merger, or (iii) alter or change any of the terms or conditions
of this Agreement it such alteration or change would adversely affect the
holders of any class or series of capital stock of any of the parties hereto.

         7.2. Counterparts. This Agreement may be executed in any number of
counterparts, each such counterpart being deemed to be an original instrument,
and all such counterparts shall together constitute the same agreement.

<PAGE>

         7.3. GOVERNING LAW. THIS AGREEMENT SHALL BE DEEMED TO BE MADE IN AND IN
ALL RESPECTS SHALL BE INTERPRETED, CONSTRUED AND GOVERNED BY AND IN ACCORDANCE
WITH THE LAW OF THE STATE OF NEVADA WITHOUT REGARD TO THE CONFLICT OF LAW
PRINCIPLES THEREOF.

         7.4. Entire Agreement. This Agreement constitutes the entire agreement
and supersedes all other prior agreements, understandings, representations and
warranties, both written and oral, among the parties, with respect to the
subject matter hereof.

         7.5. No Third Party Beneficiaries. This Agreement is not intended to
confer upon any person other than the parties hereto any rights or remedies
hereunder.

         7.6. Severability. The provisions of this Agreement shall be deemed
severable and the invalidity or unenforceability of any provision shall not
affect the validity or enforceability of the other provisions hereof. If any
provision of this Agreement, or the application thereof to any person or any
circumstance, is determined by any court or other authority of competent
jurisdiction to be invalid or unenforceable, (a) a suitable and equitable
provision shall be substituted thereof or in order to carry out, so far as may
be valid and enforceable, the intent and purpose of such invalid or
unenforceable provision and (b) the remainder of this Agreement and the
application of such provision to other persons or circumstances shall not be
affected by such invalidity or unenforceability, nor shall such invalidity or
unenforceability affect the validity or enforceability of such provision, or the
application thereof, in any other jurisdiction.

         7.7.  Headings. The headings therein are for convenience of reference
only, do not constitute part of this Agreement and shall not be deemed to limit
or otherwise affect any of the provisions hereof.

         IN WITNESS WHEREOF, this Agreement has been duly executed and delivered
by the duly authorized officers of the parties hereto as of the date first
written above.

                                         Certified Technologies Corporation
                                         a Nevada corporation

                                         By /s/ Michael Friess
                                            ------------------------------------
                                         Name:   Michael Friess
                                         Title:   Chief Executive Officer

                                         Certified Technologies Corporation
                                         a Minnesota corporation

                                         By /s/ Michael Friess
                                            ------------------------------------
                                         Name:   Michael Friess
                                         Title:   Chief Executive Officer

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