...- Putnam Managed Municipal Income Trust is a diversified, closed-end management investment company that invests in a diversified portfolio of tax-exempt municipal securities. - We affirmed our '###' rating on the company's series A and C remarketed preferred stock. - The affirmations reflect the quantitative analysis using our Market Value Evaluator model, which indicated that the assets are currently sufficient to support the '###' ratings. NEW YORK (S&P Global Ratings) Sept. 19, 2022--S&P Global Ratings today affirmed its '###' rating on Putnam Managed Municipal Income Trust's series A and C remarketed preferred stock. Putnam Managed Municipal Income Trust is a diversified, closed-end management investment company incorporated in the U.S. The fund invests in a diversified portfolio of tax-exempt municipal securities. This transaction relies on the liquidation of collateral as the primary source of repayment, which is an inherent risk because the underlying collateral's value fluctuates...