CALAMOS STRATEGIC TOTAL RETURN FUND

CALAMOS STRATEGIC TOTAL RETURN FUND is a closed-ended balanced mutual fund that invests in the public equity and fixed income markets of the United States. The fund, launched by Calamos Investments LLC and managed by Calamos Advisors LLC, seeks to invest in securities of companies operating across diversified sectors. Its primary investments include common and preferred stocks of companies across all market capitalizations, convertible securities, and high yield corporate bonds. The high yield corporate bonds held by the fund have an average credit rating of BB as rated by S&P. To construct its portfolio, the fund utilizes both fundamental and quantitative analysis, employing a combination of bottom-up and top-down security picking approaches. CALAMOS STRATEGIC TOTAL RETURN FUND was formed on December 31, 2003, and is domiciled in the United States.