Nuveen Select Tax-Free Income Portfolio

Nuveen Select Tax-Free Income Portfolio is a closed-ended fixed income mutual fund launched by Nuveen Investments Inc. It is co-managed by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC, and invests in the U.S. fixed income markets, focusing on investment-grade municipal securities rated Baa and BBB or better. The fund benchmarks its performance against the Standard & Poor's (S&P) National Municipal Bond Index and the Lipper General and Insured Unleveraged Municipal Debt Funds Average. It was formed on March 19, 1992 and is domiciled in the United States.