**FIRST      AMENDMENT TO LETTER OF INTENT**

**THIS      AMENDMENT **

**BETWEEN:**

**AMERIWEST      ENERGY CORP., **

**(**
**“Ameriwest”) **

**AND:**

**GEOCHEM      EXPLORATION, LLC., **

**(**
**“Geochem”)**

**WHEREAS      **

**AND      WHEREAS**

**NOW,      THEREFORE,**

**1.**
**Amendment      of Agreement**

|   | “2. | Ameriwest                will have until **May                15, 2008**                to                conduct its due diligence as to the condition of and title to the                Assets                and prospect in general. The parties hereto agree that they will                negotiate                in good faith towards ensuring that the parties hereto enter into,                on or                before **May                15, 2008**,                a                definitive agreement (the “Definitive Agreement”) containing substantially                the same terms and provisions of this LOI. Upon execution of the                Definitive Agreement, Ameriwest will pay Geochem the sum of US$100,000.                Said payment will be fully earned and non-refundable as of the execution                of the Definitive Agreement, but applicable to the purchase price                to be                paid by Ameriwest for the Assets.” |
|--------|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

|   | a. | the                payment by Ameriwest to Geochem for the remaining purchase price,                being                the amount of US$200,000.00 (the “Payment”), is to be paid on or before                **May                15, 2008;** |
|--------|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | b. | the                Closing date of the Definitive Agreement will occur on or before                **May                15, 2008,**prior                to which Ameriwest may conduct additional due diligence as to the                condition of and title to the Assets and the prospect in                general; |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | c. | the                conveyance at Closing by Geochem of the Assets, subject to the                re-conveyance provisions set forth                below; |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | d. | an                obligation on the part of Ameriwest to spud, drill and complete a                well in                the currently permitted area on or before **September                1, 2008**                (the “Drilling Obligation”), subject to the condition set forth below and                the right of Ameriwest to pay Geochem for one or more Extension Periods                as                set forth below; |
|--------|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | e. | in                the event the parties are unable to locate a drilling rig to attend                the                property pursuant to the timing set out herein, the parties agree                that an                extension will be granted for any such reasonable period as may be                required, using diligent efforts, to locate and deliver the rig to                the                property and that upon delivery of the rig, the well be promptly                drilled,                logged and completed in accordance with the Drilling                Obligation. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | f. | the                right of Ameriwest to extend the deadline for completion of the Drilling                Obligation by paying Geochem one or more extension fees each in the                amount                of US$200,000.00 for each extension period, each of a 3 month length,                but                in no case shall the Drilling Obligation deadline extend beyond                **March                31, 2009**; |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | g. | the                execution of documents at Closing by Ameriwest sufficient to re-convey                the                Assets to Geochem to secure performance of the Drilling Obligation,                with                said original re-conveyance documents to be held in escrow by Geochem                and                to be released to Ameriwest upon its satisfying its Drilling Obligation                or                if the Drilling Obligation is not satisfied by **March                31, 2009**,                then to be delivered to Geochem; |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | h. | all                costs associated with maintenance of the Assets and with the drilling                and                completion of the well after Closing shall be borne by Ameriwest,                the                estimated cost of the test well is described in Schedule “B” attached                hereto; |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | i. | all                documents necessary to transfer all right, title and interest in                and to                the Assets will be executed at the time of Closing and all right,                title                and interest in and to the Assets will be transferred to Ameriwest                upon                Closing, subject to the provisions set forth above; |
|--------|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | j. | Geochem                will make reasonable and customary representations and warranties                as to                title to the Assets; |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------|

|   | k. | Closing                shall be conditioned upon (i) Geochem shall operate its business                only in                the ordinary course and will not sell, distribute, license or encumber                any                of the Assets; (ii) the                receipt of any certificates, legal, tax or other opinions and/or                documents                related to the Assets, including a legal opinion of local Wyoming                counsel                employed by Ameriwest that the transfer contemplated by the Definitive                Agreement of the Assets is binding under applicable Wyoming and US                federal                laws, as Ameriwest may reasonably request, including documents relating                to                any tests or geological work performed or studies or reports completed,                provided these are not subject to non-disclosure covenants by Geochem                in                connection with any third-party agreements; (iii) the                receipt of all consents, approvals, authorizations and orders required                of                or for the completion of any document required hereunder; (iv) with                respect to the Assets, the existence of no outstanding mergers,                acquisitions, financial commitments, obligations, liabilities, etc.                other                than those contemplated in this transaction or incurred in the ordinary                course of business; and (v) the presence, at Closing, of sufficient                funds                from Ameriwest to submit any bond funds required to transfer title                to the                Assets to Ameriwest together with whatever consents of the Other                Royalty                Holders may be required to complete the legal opinions referred to                herein;” |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

**2.**
**Waiver      of Fees**

**3.**
**Entire      Agreement**

**4.**
**Execution      in Counterparts**

**IN      WITNESS WHEREOF**

**AMERIWEST      ENERGY CORP.**

|                   |   |
|--------------------------------------------|--------|
| Per:                  Authorized Signatory |   |

**GEOCHEM      EXPLORATION, LLC**

|                   |   |
|--------------------------------------------|--------|
| Per:                  Authorized Signatory |   |