ASSIGNMENT AND ASSUMPTION OF AGREEMENT FOR PURCHASE AND SALE OF REAL PROPERTY AND ESCROW INSTRUCTIONS

ASSIGNMENT AND ASSUMPTION OF AGREEMENT FOR PURCHASE AND SALE OF REAL PROPERTY AND ESCROW
INSTRUCTIONS

THIS ASSIGNMENT AND ASSUMPTION OF AGREEMENT FOR PURCHASE AND SALE OF REAL PROPERTY AND ESCROW INSTRUCTIONS (this “ Assignment ”) dated as of August 15, 2007, is made and entered into by and between TRIPLE NET PROPERTIES , LLC , a Virginia limited liability company (“ Assignor ”), and NNN HEALTHCARE/OFFICE REIT MARKET EXCHANGE , LLC , a Delaware limited liability company (“ Assignee ”), with reference to the following Recitals:

R E C I T A L S

A. Assignor is “Buyer” under that certain Agreement for Purchase and Sale of Real Property and Escrow Instructions dated July 30, 2007, as amended (the “ Purchase Agreement ”), wherein Assignor agreed to purchase certain real property commonly known as (i) 4 Market Exchange, 500 East Main Street, Columbus, Ohio 43215, (ii) 1 Market Exchange, 515 East Main Street, Columbus, Ohio 43215, and (iii) the Mound Street Parking Lot, as more particularly described in the Purchase Agreement, on the terms and conditions set forth in the Purchase Agreement.

B. Assignor desires to assign to Assignee, and Assig