This is, however, subject to changes depending on the company's credit rating. Also, the fee on the credit facility got lowered by 5 bps to 30 bps per annum. Further, the unsecured revolving credit facility is extendable by an additional year and the borrowing amount can be increased up to $1.5 billion under certain situations. A consortium of 17 banking majors supported Senior Housing in the amended credit facility. Among these were Wells Fargo Bank, N.A. of Wells Fargo & Company ( WFC ) acting as the administrative agent, Citigroup N.A. of Citigroup Inc. ( C ) serving as the syndication agent and Bank of America, N.A. of Bank of America Corporation ( BAC ) as the documentation agent. Newton, Mass.-based Senior Housing has one of the most diversified portfolios in the healthcare sector with exposure to nearly all types of facilities.