HCP has one of the largest and most diversified portfolios of any healthcare REIT. Our revenues are derived from and are spread among the principal healthcare sectors, including senior housing, post-acute/skilled nursing, life science, medical office, and hospital.

As of September 30, 2011, our portfolio of properties, including properties owned by unconsolidated joint ventures consisted of:

HCP INVESTMENT PORTFOLIO NUMBER OF FACILITIES
SENIOR HOUSING 317
POST-ACUTE/SKILLED NURSING 313
LIFE SCIENCE 108
MEDICAL OFFICE 254
HOSPITAL 21
TOTAL 1,013(1)
   
NUMBER OF STATES 46
TOTAL INVESTMENTS $ 18.7 BILLION(2)

(1) Excludes mezzanine loans, secured loans and other debt investments.

(2) Represents the historical cost of real estate owned by HCP, the carrying amount of debt investments and 100% of the cost of real estate owned by unconsolidated joint ventures, excluding assets held for sale and under development and land held for future development, at September 30, 2011.