MSP Datto Holding Corp

The Madison Strategic Sector Premium Fund (the Fund or MSP) (NYSE: MSP) declares its quarterly dividend of $0.26/share payable June 30, 2011 to shareholders of record on June 17, 2011 The ex-dividend date will be June 15, 2011. If it is determined that a notification is required pursuant to Section 19(a) of the Investment Company Act of 1940, as amended, such notice will be posted to the Fund's website after the close of business three business days prior to the payable date. If a distribution rate is largely comprised of sources other than income, it may not be reflective of the Fund's performance.

The Fund's objective is to achieve a high level of current income and current capital gains, with long-term capital appreciation as a secondary objective. The Fund intends to pursue its objectives by investing in a portfolio of common stocks and utilizing an option strategy, primarily by writing (selling) covered call options on a substantial portion of the individual common stocks in the portfolio in order to generate current income and gains from option writing premiums and, to a lesser extent, from dividends. Market action can impact dividend issuance as significant decreases or increases in the Fund's total assets affects the Fund's future dividend prospects.

The Fund provides additional information on its website at www.madisonfunds.com. Madison Asset Management, LLC (Madison), a subsidiary of Madison Investment Holdings, Inc., is the Fund's investment adviser. Madison and its affiliates manage the Madison Mosaic and MEMBERS Mutual Funds families of mutual funds. Its affiliates include Madison Investment Advisors, with which it shares all resources at our Madison, Wisconsin headquarters, Madison Scottsdale, located in Arizona, Concord Asset Management, located in Chicago, Illinois and NorthRoad Capital Management LLC, located in New York City. Madison also is investment manager of another closed-end fund, the Madison/Claymore Covered Call and Equity Strategy Fund (MCN).

Certain statements in this release are forward-looking. The Fund's actual results may differ from current expectations or projections due to numerous factors, including but not limited to changes in the equity markets, changes in the portfolio's value, economic and political conditions and other risks generally discussed in the Fund's filings with the SEC. Neither the Fund nor Madison undertakes any obligation to publicly update or revise any forward-looking statements.

CONTACT: Press & Analyst Inquiries Madison Investment Advisors Larry Tabak Email Contact 550 Science Drive, Madison, WI 53711 800-368-3195