KBS Real Estate Investment Trust, Inc. 10-Q

FORM 10-Q

PURCHASE & SALE AGREEMENT & ESCROW INSTRUCTIONS-TYSON DULLES

FIRST AMENDMENT TO PURCHASE & SALE AGREEMENT & ESCROW INSTRUCTIONS-TYSONS DULLES

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 906

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906

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