(a)
| The Fund is entitled to receive principal and interest from the guarantor after a day or a week’s notice or upon maturity. The maturity date disclosed represents the final maturity.
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(b)
| Represents a variable rate security where the coupon rate adjusts on specified dates (generally daily or weekly) using the prevailing money market rate. The interest rate shown was
the current rate as of February 28, 2023.
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(c)
| Income from this security may be subject to alternative minimum tax.
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(d)
| Zero coupon bond.
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(e)
| Represents privately placed and other securities and instruments exempt from Securities and Exchange Commission registration (collectively, private placements), such as Section
4(a)(2) and Rule 144A eligible securities, which are often sold only to qualified institutional buyers. At February 28, 2023, the total value of these securities amounted to $129,435,239, which represents 25.36% of
total net assets.
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(f)
| Represents a security in default.
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(g)
| Represents a variable rate security with a step coupon where the rate adjusts according to a schedule for a series of periods, typically lower for an initial period and then
increasing to a higher coupon rate thereafter. The interest rate shown was the current rate as of February 28, 2023.
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(h)
| Represents a security purchased on a when-issued basis.
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(i)
| Municipal obligations include debt obligations issued by or on behalf of territories, possessions, or sovereign nations within the territorial boundaries of the United States. At
February 28, 2023, the total value of these securities amounted to $31,097,404, which represents 6.09% of total net assets.
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(j)
| The rate shown is the seven-day current annualized yield at February 28, 2023.
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