Whitestone REIT is a real estate investment trust (REIT) engaged in owning and operating commercial properties in culturally diverse markets in the metropolitan areas. The Company is internally managed and owns a real estate portfolio of 36 properties containing approximately three million square feet of leasable space, located in Texas, Arizona and Illinois. As of December 31, 2009, the Company had one property, which accounted for more than 10% of the total gross revenue and leasing of the properties. In December 2011, the Company announced that it had closed on the purchase of Phase I of Pinnacle of Scottsdale, a 113,108 square foot 100% leased Class A Community Center in North Scottsdale. In December 2011, it purchased shops at Starwood.