|Series||Cusip #||Total Shares Redeemed||Total Amount Redeemed||Redemption Date|
|M||670682202||1,826||$45,650,000||June 17, 2011|
|T||670682301||987||$24,675,000||June 20, 2011|
|W||670682400||987||$24,675,000||June 21, 2011|
Nuveen Investments, a leading global provider of investment services to institutions as well as high-net-worth and affluent investors, today announced that the Nuveen Municipal High Income Opportunity Fund (AMEX: NMZ) called for redemption at par all of its outstanding auction-rate preferred securities (ARPS). The fund’s Board of Trustees has approved this redemption, which totals $95 million and will be funded from the fund’s credit facility, tender option bond proceeds and available portfolio cash. NMZ is redeeming all of its $95.0 million of currently outstanding ARPS.
For more information about Nuveen closed-end funds, visit www.nuveen.com/cef. ARPS information and updates are posted on Nuveen’s auction-rate preferred resource center at www.nuveen.com/arps. Nuveen Investments provides high quality investment services designed to help secure the long-term goals of institutions, high net worth and affluent investors as well as the consultants and financial advisors who serve them. Nuveen Investments markets a wide range of specialized investment solutions which provide investors access to capabilities of its high-quality boutique investment affiliates - NWQ, Nuveen Asset Management, Santa Barbara, Symphony, Tradewinds and Winslow Capital. In total, Nuveen Investments had $212 billion of assets under management as of April 30, 2011. For more information, please visit the Nuveen Investments website at www.nuveen.com.