Newton-based RMR Real Estate Income Fund (RIF) has entered into a $10 million revolving credit facility with Wells Fargo Bank, National Association.

The maturity date of the facility is July 1, 2013. RIF said it will use the facility to fund additional investments and for additional financial flexibility in managing its investment portfolio. The facility is secured by RIF’s investments and bears interest at a spread over LIBOR plus customary fees.