Calamos Investments® announced the raising of the monthly distribution rate of Calamos Strategic Total Return Fund from 9.25 cents per share to 10.25 cents per share payable on February 19, 2021. Representing an approximate 11% increase from the prior distribution, the new distribution rate reflects on an annualized basis a current distribution rate of 7.70% based upon the Fund's market price of $15.98 per share on January 20, 2021.