duff & phelps investment management co. is a chicago based sec registered investment advisor that was founded in 1932 as an investment research firm. duff & phelps has over 30 years of experience managing investment portfolios for institutional separate accounts and both open- and closed-end funds. our funds have received 20 lipper awards for top performance in peer comparisons. duff & phelps' product lines include global utilities, global infrastructure, global real estate, investment grade fixed income and large cap equities. duff & phelps is a wholly-owned subsidiary of publicly traded virtus investment partners (nasdaq:vrts, http://www.virtus.com).