Market Neutral in 2019? Good Idea. CMNIX? An Even Better Idea

Before investing, carefully consider the fund’s investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-866-363-9219. Read it carefully before investing.

Opinions and estimates offered constitute our judgment and are subject to change without notice, as are statements of financial market trends, which are based on current market conditions. We believe the information provided here is reliable, but do not warrant its accuracy or completeness. This material is not intended as an offer or solicitation for the purchase or sale of any financial instrument. The views and strategies described may not be suitable for all investors. This material has been prepared for informational purposes only, and is not intended to provide, and should not be relied on for, accounting, legal or tax advice. References to future returns are not promises or even estimates of actual returns a client portfolio may achieve. Any forecasts contained herein are for illustrative purposes only and are not to be relied upon as advice or interpreted as a recommendation.

The principal risks of investing in the Calamos Market Neutral Income Fund include: equity securities risk consisting of market prices declining in general, convertible securities risk consisting of the potential for a decline in value during periods of rising interest rates and the risk of the borrower to miss payments, synthetic convertible instruments risk, convertible hedging risk, covered call writing risk, options risk, short sale risk, interest rate risk, credit risk, high yield risk, liquidity risk, portfolio selection risk, and portfolio turnover risk.

Covered Call Writing: As the writer of a covered call option on a security, the fund foregoes, during the option’s life, the opportunity to profit from increases in the market value of the security, covering the call option above the sum of the premium and the exercise price of the call.

Convertible Arbitrage involves buying convertible bonds and short selling their underlying equities to attempt to hedge against equity risk, while still providing the potential for upside returns.

Convertible Securities Risk: The value of a convertible security is influenced by changes in interest rates, with investment value declining as interest rates increase and increasing as interest rates decline. The credit standing of the issuer and other factors also, may have an effect on the convertible security’s investment value.

Convertible Hedging Risk: If the market price of the underlying common stock increases above the conversion price on a convertible security, the price of the convertible security will increase. The fund’s increased liability on any outstanding short position would, in whole or in part, reduce this gain.

Convertible Securities Risk: The value of a convertible security is influenced by changes in interest rates, with investment value declining as interest rates increase and increasing as interest rates decline. The credit standing of the issuer and other factors also may have an effect on the convertible security’s investment value.

The FTSE 30-Day T-Bill Indexis generally considered representative of the performance of short-term money market instruments.

Bloomberg Barclays U.S. Government/Credit Index comprises long-term government and investment grade corporate debt securities and is generally considered representative of the performance of the broad U.S. bond market. Unlike convertible bonds, U.S. Treasury bills are backed by the full faith and credit of the U.S. government and offer a guarantee as to the timely repayment of principal and interest.

Morningstar Market Neutral Category represent funds that attempt to eliminate the risks of the market by holding 50% of assets in long positions in stocks and 50% of assets in short positions.

S&P 500 Index is generally considered representative of the U.S. stock market.

Morningstar ratings shown are for load-waived shares that do not include any front-end sales load. Not all investors have access to or may invest in the load-waived share class shown. Other share classes with front-end or back-end sales charges may have different ratings than the ratings shown. Additionally, some I-share mutual funds for which Morningstar calculates a load-waived I-share star rating may not waive their front-end sales load. Source: Morningstar Direct.

Morningstar Ratings are based on risk-adjusted returns for Class I shares and will differ for other share classes. Morningstar ratings are based on a risk-adjusted return measure that accounts for variation in a fund’s monthly historical performance (reflecting sales charges), placing more emphasis on downward variations and rewarding consistent performance. Within each asset class, the top 10%, the next 22.5%, 35%, 22.5%,and the bottom 10% receive 5, 4, 3, 2 or 1 star, respectively. Each fund is rated exclusively against U.S. domiciled funds. The information contained herein is proprietary to Morningstar and/ or its content providers; may not be copied or distributed; and is not warranted to be accurate, complete or timely. Neither Morningstar nor its content providers are responsible for any damages or losses arising from any use of this information. Source: ©2020 Morningstar, Inc. All rights reserved.

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