Las Vegas Sands (LVS)

SECURITY AGREEMENT

This SUPPLEMENT, dated as of                              ,              (this “Supplement”), is to the Amended and Restated Security Agreement, dated as of August 20, 2004 (as amended, supplemented, amended and restated or otherwise modified from time to time, the “Security Agreement”), among the Debtors (such capitalized term, and other terms used in this Supplement, to have the meanings set forth in the Security Agreement) from time to time party thereto, in favor of The Bank of Nova Scotia (“Scotiabank”), as intercreditor agent (together with its successor(s) thereto in such capacity, the “Intercreditor Agent”) for each of the Secured Parties.

W I T N E S S E T H :

WHEREAS, pursuant to a Amended and Restated Credit Agreement, dated as of February 22, 2005 (as amended, amended and restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Las Vegas Sands, Inc., a Nevada corporation (“LVSI”), Venetian Casino Resort, LLC, a Nevada limited liability company (“Venetian”), Scotiabank, as administrative agent (in such capacity, the “Bank Agent”), joint lead arranger and joint bookrunner, Goldman Sachs Credit Partners L.P., as joint lead arranger and joint bookrunner, each of the other agents and arrangers from time to time party thereto and the financial institutions from time to time party thereto (the “Bank Lenders”), the Lenders and the Issuing Lenders have extended Commitments to make Credit Extensions to the Borrower;

WHEREAS, LVSI, Venetian, certain guarantors named therein and the Mortgage Notes Indenture Trustee have entered into the Mortgage Notes Indenture pursuant to which LVSI and Venetian issued the Mortgage Notes;

WHEREAS, pursuant to the provisions of Section 30 of the Security Agreement, each of the undersigned is becoming a Debtor under the Security Agreement; and

WHEREAS, each of the undersigned desires to become a “Debtor” under the Security Agreement in order to induce the Secured Parties to continue to extend Credit Extensions under the Credit Agreement;

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, each of the undersigned agrees, for the benefit of each Secured Party, as follows.

Section 1. Party to Security Agreement, etc. In accordance with the terms of the Security Agreement, by its signature below each of the undersigned hereby irrevocably agrees to become a Debtor under the Security Agreement with the same force and effect as if it were an

original signatory thereto and each of the undersigned hereby (a) agrees to be bound by and comply with all of the terms and provisions of the Security Agreement applicable to it as a Debtor and (b) represents and warrants that the representations and warranties made by it as a Debtor thereunder are true and correct as of the date hereof, unless stated to relate solely to an earlier date, in which case such representations and warranties shall be true and correct as of such earlier date and (c) assigns, grants and pledges, in favor of the Intercreditor Agent a security interest in all of its property and assets that would constitute Collateral to the extent set forth in Section 2 of the Security Agreement with the priority set forth therein. In furtherance of the foregoing, each reference to a “Debtor” and/or “Debtors” in the Security Agreement shall be deemed to include each of the undersigned.

Section 2. Representations. Each undersigned Debtor hereby represents and warrants that this Supplement has been duly authorized, executed and delivered by it and that this Supplement and the Security Agreement constitute the legal, valid and binding obligation of each of the undersigned, enforceable against it in accordance with its terms.

Section 3. Full Force of Subsidiary Pledge and Security Agreement. Except as expressly supplemented hereby, the Security Agreement shall remain in full force and effect in accordance with its terms.

Section 4. Severability. Wherever possible each provision of this Supplement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Supplement shall be prohibited by or invalid under such law, such provision shall be ineffective to the extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions of this Supplement or the Security Agreement.

Section 5. Governing Law, Entire Agreement, etc. THIS SUPPLEMENT SHALL BE DEEMED TO BE A CONTRACT MADE UNDER AND GOVERNED BY THE INTERNAL LAWS OF THE STATE OF NEW YORK (INCLUDING FOR SUCH PURPOSE SECTIONS 5-1401 AND 5-1402 OF THE GENERAL OBLIGATIONS LAW OF THE STATE OF NEW YORK).

Section 6. Counterparts. This Supplement may be executed by the parties hereto in several counterparts, each of which shall be deemed to be an original and all of which shall constitute together but one and the same agreement.

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IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement to be duly executed and delivered by its Authorized Officer as of the date first above written.

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ANNEXES

[DEBTOR TO USE ANNEXES FROM SECURITY AGREEMENT]