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Credit (or Default) Risk is the risk that the inability or unwillingness of an issuer or guarantor of a fixed-income security, or a counterparty to a repurchase or other transaction, to meet its principal or interest payments or other financial obligations in a timely manner will adversely affect the value of the Fund’s investments and its returns.  Fluctuation of Yield and Principal Payment Risk is the risk that the Fund, unlike a direct investment in a bond that has a level coupon payment and a fixed payment at maturity, will make distributions of income that vary over time. Unlike a direct investment in bonds, the breakdown of returns between Fund distributions are not predictable at the time of your investment.  Fund Termination Risk is the risk that, unlike an investment in a traditional investment company with perpetual existence, the Fund is designed to liquidate in the terminal year and thus a shareholder of the Fund will not receive distributions from the Fund beyond the terminal year. Liquidity Risk is the risk that certain securities may be less liquid than others, which may make them difficult or impossible to sell at the time and the price that the Fund would like, and the Fund may have to lower the price, sell other securities instead or forgo an investment opportunity, adversely affecting the value of the Fund’s investments and its returns. Municipal Investments Risk is the risk that the value of a municipal security generally depends on the financial and credit status of the issuer. Constitutional amendments, legislative enactments, executive orders, administrative regulations, voter initiatives, and the issuer’s regional economic conditions may affect a municipal security’s value, interest payments, repayment of principal and the Fund’s ability to sell the security. Non-Diversification Risk is the risk that a non-diversified fund may invest a larger portion of its assets in securities issued by or representing a smaller number of issuers than a diversified fund. As a result, a Fund may be more susceptible to the risks associated with these particular issuers, or to a single economic, political or regulatory occurrence affecting these issuers. Municipal Market Volatility Risk is the risk that the Fund may be adversely affected by volatility in the municipal market. The municipal market can be significantly affected by adverse tax, legislative, political or public health changes and the financial condition of the issuers of municipal securities. Return of Capital/Distribution Risk is the risk that the Fund’s distributions will involve a return of capital, which, although not currently taxable, may lower a shareholder’s basis in the Fund’s shares, thus potentially subjecting the shareholder to future tax consequences in connection with the sale of Fund shares, even if sold at a loss to the shareholder’s original investment. Small Fund Risk is the risk that the Fund will not grow to or maintain an economically viable size, in which case it may liquidate prior to the anticipated liquidation date in the terminal year, thus impacting the Fund’s ability to achieve its investment objective.

ETFs are subject to additional risks that do not apply to conventional mutual funds, including the risks that the market price of an ETF's shares may trade at a premium or discount to its net asset value, an active secondary trading market may not develop or be maintained, or trading may be halted by the exchange in which they trade, which may impact an ETF's ability to sell its shares. Shares of any ETF are bought and sold at market price (not NAV) and are not individually redeemed from the ETF. Brokerage commissions will reduce returns.