|DDR Corp.(DDR) is a self-administered and self-managed real estate investment trust. The Company is engaged in the business of acquiring, owning, developing, redeveloping, expanding, leasing and managing shopping centers. In addition, the Company engages in the origination and acquisition of loans and debt securities, which are generally collateralized directly or indirectly by shopping centers. As of December 31, 2012, the Company's portfolio consisted of 452 shopping centers , including 206 shopping centers owned through unconsolidated joint ventures and three shopping centers that are otherwise consolidated by the Company in which the Company had an economic interest. These properties consist of shopping centers, lifestyle centers and enclosed malls owned in the United States, Puerto Rico and Brazil. In October 2013, the Company acquired a portfolio of 30 prime power centers from its existing joint venture with Blackstone Real Estate Partners VII L.P. (Blackstone).