**EXCHANGE
      AGREEMENT**




This
      Exchange Agreement (this “Agreement”) is entered into by and among Tiger
      Renewable Energy Limited, a Nevada corporation (the “Company”), and DT Crystal
      Holdings Limited (the “Holder”), as the beneficiary of two Memorandum of Loan
      Agreement issued by the Company on or about May 13, 2008 and on or about June
      2,
      2008 (the “Loans”).




**AGREEMENT**




**NOW,
      THEREFORE** ,
      in
      exchange for good and valuable consideration, the receipt and sufficiency of
      which are hereby acknowledged, the Company and Holder hereby agree as follows:




1.  **Exchange
      of the Loans** .
      The
      Loans plus any and all accrued and unpaid interest as of the effective date
      shall be exchange for Common Stock of the Company.




2.  **Exchange
      Rate** .
      The
      Exchange Rate is equal to the simple average of the selling price of the
      Company’s Common Stock traded during the Fifteen (15) Business days prior to the
      day of Closing minus a 7.5% discount (the “Exchange Price”).




3. **Closing** .
      The
      consummation of the transactions contemplated by this Agreement (the “Closing”)
      shall occur on or before June 20, 2008 or on any such other date as to which
      the
      parties mutually agree in writing.




4. **Effectiveness.** The
      Agreement shall be effective as of the date of closing.




5. **Issuance
      of Common Stock** .
      The
      Company shall issue to Holder the number of shares representing the amount
      of
      principal, plus accrued but unpaid interest and other amounts owed at the
      Exchange Price (the “Shares”) (see schedule 5).




6. **Miscellaneous** .




(a) **Governing
      Law** **.** This
      Agreement shall be governed by and construed in accordance with the laws of
      Canada and the Province of Quebec applicable to agreements made without regard
      to principles of conflict of laws).




(b) **Counterparts;
      Signatures by Facsimile** **.** This
      Agreement may be executed in one or more counterparts, all of which shall be
      considered one and the same agreement and shall become effective when
      counterparts have been signed by each party and delivered to the other party.
      This Agreement, once executed by a party, may be delivered to the other party
      hereto by facsimile transmission of a copy of this Agreement bearing the
      signature of the party so delivering this Agreement.




(c) **Headings** **.** The
      headings of this Agreement are for convenience of reference and shall not form
      part of, or affect the interpretation of, this Agreement.




(d) **Severability** **.** If any
      provision of this Agreement shall be invalid or unenforceable in any
      jurisdiction, such invalidity or unenforceability shall not affect the validity
      or enforceability of the remainder of this Agreement or the validity or
      enforceability of this Agreement in any other jurisdiction.




(e) **Entire
      Agreement; Amendments** **.** This
      Agreement and the instruments referenced herein contain the entire understanding
      of the parties with respect to the matters covered herein and therein and,
      except as specifically set forth herein or therein, neither the Company nor
      Holder makes any representation, warranty, covenant or undertaking with respect
      to such matters. No provision of this Agreement may be waived or amended other
      than by an instrument in writing signed by the parties.




(f) **Notices** **.** Any
      notices required or permitted to be given under the terms of this Agreement
      shall be sent by certified or registered mail (return receipt requested) or
      delivered personally or by courier (including a recognized overnight delivery
      service) or by facsimile and shall be effective five days after being placed
      in
      the mail, if mailed by regular United States mail, or upon receipt, if delivered
      personally or by courier (including a recognized overnight delivery service)
      or
      by facsimile, in each case addressed to a party. The addresses for such
      communications shall be:







If
      to the
      Company:




Attention:
      Mr. James Leung




Tiger
      Renewable Energy Limited.


6600 
      Trans-Canada Highway, Suite 519


Pointe-Claire,
      Quebec, Canada H9R4S2


Email: 
      leungppp@gmail.com


Telephone: 
      514-771-3795


Fax:           
      514-695-6319






With
      copy
      to:




Pellerin
      Lawyers


375-204
      Notre-Dame West


Montreal
      (Quebec) H2Y 1T3


Attention:
      Bradford P. Weirick, Esq.


Email: 
      claude@pellerin.com


Telephone: 
      514-397-0575


Fax:           
      514-397-0480






If
      to
      Holder: To the address set forth immediately below Holder’s name on the
      signature pages hereto.




Each
      party shall provide notice to the other party of any change in address.




(g) **Successors
      and Assigns** **.** This
      Agreement shall be binding upon and inure to the benefit of the parties and
      their successors and assigns. Neither the Company nor Holder shall assign this
      Agreement or any rights or obligations hereunder without the prior written
      consent of the other.




(h) **Third
      Party Beneficiaries** **.** This
      Agreement is intended for the benefit of the parties hereto and their respective
      permitted successors and assigns, and is not for the benefit of, nor may any
      provision hereof be enforced by, any other person.




(i) **Further
      Assurances** **.** Each
      party shall do and perform, or cause to be done and performed, all such further
      acts and things, and shall execute and deliver all such other agreements,
      certificates, instruments and documents, as the other party may reasonably
      request in order to carry out the intent and accomplish the purposes of this
      Agreement and the consummation of the transactions contemplated hereby.




(j) **No
      Strict Construction** **.** The
      language used in this Agreement will be deemed to be the language chosen by
      the
      parties to express their mutual intent, and no rules of strict construction
      will
      be applied against any party.





(REMAINING
      OF THE PAGE LEFT BLANK)









2





**IN
      WITNESS WHEREOF** ,
      the
      undersigned Holder and the Company have caused this Agreement to be duly
      executed as of June 19, 2008.




Tiger
                Renewable Energy LimitedBy:
            
            /s/
                James LeungName:
            
            James
                LeungTitle:
            
            Chief
                Executive OfficerDT
                Crystal Holdings LimitedBy:
            
            /s/
                Alan ColeName:
            
            Alan
                ColeTitle:
            
            For
                Redcorn Consultants Limited
              
              DT
                Crystal Holdings Limited




NOTICE
      ADDRESS:




PO
      Box
      N-9934,


Ansbacher
      House,


2 nd Floor,
      Shirley and East Street


Nassau,
      Bahamas


3


Schedule
      5


LOANS
              EXCHANGE
                  PRICE
              SHARES
                  ISSUEDUS$462,642.00
              US$0.60
              771,070








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