Important Risks: Investing involves risk, including the possible loss of principal. Security prices fluctuate in value depending on general market and economic conditions and the prospects of individual companies. • Fixed income security risks include credit, liquidity, call, duration, and interest-rate risk. As interest rates rise, bond prices generally fall. • Municipal securities may be adversely impacted by state/local, political, economic, or market conditions. Although the Fund primarily seeks income that is exempt from federal income taxes, investors may be subject to the federal Alternative Minimum Tax as well as state and local income taxes. Capital gains, if any, are taxable. • Investments in high-yield ("junk") bonds involve greater risk of price volatility, illiquidity, and default than higher-rated debt securities. • Applying sustainability criteria to the investment process may result in foregoing certain investments and underperformance comparative to funds that do not have a similar focus. There is a risk that the securities identified by the sub-adviser as meeting its sustainable investing criteria do not operate as anticipated.

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