**PRIME      SUN POWER INC.**

**PROMISSORY      NOTE**

| **U.S. $52,500.00** |   | **April                15,                2008** |
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| 1.   | FOR              VALUE RECEIVED, Prime              Sun Power Inc.,              a              Nevada corporation (the "Borrower"), hereby promises to pay to the              order              of **Rudana              Investment Group AG****("Lender")**,              at such time, place and in such manner as Lender may specify in writing,              the principal amount of **Fifty-Two              Thousand Five Hundred US dollars (US              $52,500.00)**              (the "Principal") pursuant to the terms and conditions specified herein              (this “Note”). The Borrower shall pay interest on the outstanding              principal of this Note at the annual rate of 7.5% per annum, calculated              based on a year of 365 days and actual days elapsed (the              “Interest”). |
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| 2.   | The              Borrower hereby promises to pay to the order of the Lender the Principal              and all Interest due thereon within thirty calendar (30) days upon              delivery to the Company of written demand by the Lender (the “Due Date”),              at such place and in such manner as Lender may specify in writing. |
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| 3.   | Any              and all fees, costs, expenses and disbursements charged by financial              institutions with respect to wire transfer or other transmittal charges              incurred in connection with delivery of the Principal from the Lender              to              the Borrower shall be deemed to have been received by the Borrower              from              the Lender and all such amounts shall be included in the calculation              of              Principal hereunder. |
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| 4.   | This              Note shall not be transferable by Borrower and the Borrower may not              assign, transfer or sell all or a portion of its rights and interests              to              and under this Note to any persons and any such purported transfer              shall              be void ab initio. The Lender may transfer and assign this Note at              its              sole discretion. |
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| 5.   | The              failure at any time of the Lender to exercise any of its options or              any              other rights hereunder shall not constitute a waiver thereof, nor shall              it              be a bar to the exercise of any of its options or rights at a later              date.              All rights and remedies of the Lender shall be cumulative and may be              pursued singly, successively or together, at the option of the Lender.              The              acceptance by the Lender of any partial payment shall not constitute              a              waiver of any default or of any of the Lender's rights under this Note.              No              waiver of any of its rights hereunder, and no modification or amendment              of              this Note, shall be deemed to be made by the Lender unless the same              shall              be in writing, duly signed on behalf of the Lender; and each such waiver              shall apply only with respect to the specific instance involved, and              shall              in no way impair the rights of the Lender in any other respect at any              other time. |
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| 6.   | Any              term or condition of this Note may be waived at any time by the party              that              is entitled to the benefit thereof, but no such waiver shall be effective              unless set forth in a written instrument duly executed by or on behalf              of              the party waiving such term or condition. |
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| 7.   | The              Borrower represents and warrants that this Note is the valid and binding              obligation of the Borrower, fully enforceable in accordance with its              terms. The execution and delivery by the Borrower of this Note, the              performance by the Borrower of its obligations hereunder and the              consummation of the transactions contemplated hereby and thereby does              not              and will not: (a) conflict with or result in a violation or breach              of any              of the terms, conditions or provisions of the Borrower’s charter              instruments; (b) conflict with or result in a violation or breach of              any              term or provision of any law or order applicable to the Borrower or              any of              its assets and properties; or (c) (i) conflict with or result in a              violation or breach of, or (ii) result in or give to any person any              rights              or create any additional or increased liability of the Borrower under              or              create or impose any lien upon, the Borrower or any of its assets and              properties under, any contract or permit to which the Borrower is a              party              or by which its assets and properties are bound. |
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| Prime              Sun Power Inc. |   | Promissory                Note |
|-----------------------------------|--------|--------------------------------|

| 8.   | If              any provision of this Note is held to be illegal, invalid or unenforceable              under any present or future Law, and if the rights or obligations of              any              party hereto under this Note will not be materially and adversely affected              thereby, (i) such provision will be fully severable; (ii) this Note              will              be construed and enforced as if such illegal, invalid or unenforceable              provision had never comprised a part hereof; (iii) the remaining              provisions of this Note will remain in full force and effect and will              not              be affected by the illegal, invalid or unenforceable provision or by              its              severance here from; and (iv) in lieu of such illegal, invalid or              unenforceable provision, there will be added automatically as a part              of              this Note a legal, valid and enforceable provision as similar in terms              to              such illegal, invalid or unenforceable provision as may be              possible. |
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| 9.   | Any              notice, authorization, request or demand required or permitted to be              given              hereunder shall be in writing and shall be deemed to have been duly              given              two days after it is sent by an internationally recognized delivery              service to the address of record of the Lender or the Borrower,              respectively. Any party may change its address for such communications              by              giving notice thereof to the other parties in conformity with this              Section. |
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| 10.   | This              Note shall be governed by and construed under the laws of the State              of              Nevada as applied to agreements entered into and to be performed entirely              within such State. Each party hereby irrevocably consents to the              jurisdiction of the courts of any competent jurisdiction over one or              more              of the parties. In any such litigation the Borrower waives personal              service of any summons, complaint or other process and agrees that              the              service thereof may be made by certified or registered mail directed              to              the registered corporate office of Borrower in the State of its              incorporation. The Company hereby expressly waives trial by jury in              any              litigation in any court with respect to, in connection with, or arising              out of this Note or the validity, protection, interpretation, collection              or enforcement hereof and the company hereby waives the right to interpose              any setoff or non-compulsory counterclaim or cross-claim in connection              with any such litigation, irrespective of the nature of such setoff,              counterclaim or cross-claim. |
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| 11.   | A              default shall exist on this Note if any of the following occurs and              is              continuing: (i) Failure to pay Principal and any accrued Interest on              the              Note on or before the Due Date; (ii) Failure by the Borrower to perform              or              observe any other covenant or agreement of the Borrower contained in              this              Note; (iii) A custodian, receiver, liquidator or trustee of the Borrower,              or any other person acting under actual or purported force of law takes              ownership, possession or title to Borrower property; (iv) any of the              property of the Borrower is sequestered by court order; (v) a petition              or              other proceeding, voluntary or otherwise is filed by or against the              Borrower under any bankruptcy, reorganization, arrangement, insolvency,              readjustment of indebtedness, dissolution or liquidation law of any              jurisdiction, whether now or hereafter in effect; or (vi) the Borrower              makes an assignment for the benefit of its creditors, or generally              fails              to pay its obligations as they become due, or consents to the appointment              of or taking possession by a custodian, receiver, liquidator or trustee              of              the Borrower or all or any part of its property. Upon any such default,              the Borrower shall immediately notify the Lender, and upon notice to              the              Borrower, the Lender may declare the Principal of the Note, plus accrued              Interest, to be immediately due and payable, upon which such Principal              and              accrued Interest shall become due and payable immediately. Interest              upon              default shall thereafter accrue at the rate of 15% per annum, calculated              based on a year of 365 days and actual days elapsed from the date of              such              default. |
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| Prime                Sun Power Inc. |   | Promissory                  Note |
|-------------------------------------|--------|----------------------------------|

| 12.   | The              Borrower, any endorser, or guarantor hereof or in the future (individually              an "Obligor" and collectively "Obligors") and each of them jointly              and              severally: (a) waive presentment, demand, protest, notice of demand,              notice of intent to accelerate, notice of acceleration of maturity,              notice              of protest, notice of nonpayment, notice of dishonor, and any other              notice              required to be given under the law to any Obligor in connection with              the              delivery, acceptance, performance, default or enforcement of this Note,              any endorsement or guaranty of this Note, any pledge, security, guaranty              or other documents executed in connection with this Note; (b) consent              to              all delays, extensions, renewals or other modifications of this Note,              or              waivers of any term hereof or thereof, or release or discharge by the              Lender of any of Obligors, or release, substitution or exchange of              any              security for the payment hereof, or the failure to act on the part              of the              Lender or any indulgence shown by the Lender (without notice to or              further              assent from any of Obligors), and agree that no such action, failure              to              act or failure to exercise any right or remedy by the Lender shall              in any              way affect or impair the Obligations (as hereinafter defined) of any              Obligors or be construed as a waiver by the Lender of, or otherwise              affect, any of the Lender's rights under this Note, under any endorsement              or guaranty of this Note; (c) if the Borrower fails to fulfill its              obligations hereunder when due, agrees to pay, on demand, all costs              and              expenses of enforcement of collection of this Note or of any endorsement              or guaranty hereof and/or the enforcement of the Lender's rights with              respect to, or the administration, supervision, preservation, protection              of, or realization upon, any property securing payment hereof, including,              without limitation, all attorney's fees, costs, expenses and              disbursements, including, without further limitation, any and all fees              related to any legal proceeding, suit, mediation arbitration, out of              court              payment agreement, trial, appeal, bankruptcy proceedings or any other              actions of any nature whatsoever required on the part of Lender or              Lender’s representatives to enforce this Note and the rights hereunder;              and (d) waive the right to interpose any defense, set-off or              counterclaim of any nature or description. |
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| 13.   | The              Borrower will not, by amendment of its Certificate of Incorporation              or              through any reorganization, recapitalization, transfer of assets,              consolidation, merger, dissolution, issue or sale of securities or              any              other voluntary action, avoid or seek to avoid the observance or              performance of any of the terms to be observed or performed hereunder              by              the Borrower, but will at all times in good faith assist in the carrying              out of all the provisions of this Agreement and in the taking of all              such              action as may be necessary or appropriate in order to protect the rights              of the Lender of this Note against impairment. This Note shall be              enforceable against all successors and assigns of Borrower. Borrower              hereby covenants that all of its subsidiaries and affiliates shall              jointly              and severally perform this Agreement to the same and full extent on              behalf              of Borrower if Borrower is unable to              perform. |
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| Prime                Sun Power Inc. |   | Promissory                  Note |
|-------------------------------------|--------|----------------------------------|

| 14.   | This              Note and all matters related hereto shall be governed, construed and              enforced under the laws of the State of New York, without regard to              conflict of law principles of any jurisdiction to the              contrary. |
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| 15.   | This              Note supersedes all prior discussions and agreements between the parties              with respect to the subject matter hereof and thereof and contains              the              sole and entire agreement between the parties hereto with respect to              the              subject matter hereof. |
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| 16.   | If              the Lender loses this Note, the Borrower shall issue an identical              replacement note to the Lender upon the Lender's delivery to the Borrower              of a customary agreement to indemnify the Borrower reasonably satisfactory              to the Borrower for any losses resulting from issuance of the replacement              note. |
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| 17.   | The              terms and conditions of this Note shall inure to the benefit of and              be              binding upon the respective successors and assigns of the parties.              Nothing              in this Note, express or implied, is intended to confer upon any party              other than the parties hereto or their respective successors and assigns              any rights, remedies, obligations, or liabilities under or by reason              of              this Note, except as expressly provided in this              Note. |
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**PRIME      SUN POWER INC. **

|            |                                              |   |   |   |
|-----------------|---------------------------------------------------|--------|--------|--------|
| By:   | /s/ Viktoria Vynnyk                               |   |   |   |
|            | Name: Viktoria              Vynnyk           |   |   |        |
|            | Title:  Chief              Executive Officer |   |   |        |

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