Calamos Strategic Total Return Fund (the Fund) is a diversified, closed-end management investment company. The Fund�s investment objective is to provide total return through a combination of capital appreciation and current income. Under normal circumstances, the Fund invests primarily in common and preferred stocks and income producing securities such as investment grade and below investment grade debt securities. The Fund is a total return oriented offering that seeks to provide a steady stream of income paid out on a monthly basis. The Fund invests in a diversified portfolio of equities, convertible securities and high-yield securities. The Fund invests primarily in securities of United States issuers. The Fund invests in sectors, which include information technology, energy, health care, industrials, materials and consumer staples. The Fund�s investment advisor is Calamos Advisors LLC.