• Launching September 9, 2024, the Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL) will include Calamos' current and future monthly S&P 500 Structured Protection ETFs, ultimately holding 12 ETF allocations.
  
• CPSL offers ease of use and efficient model implementation through its single-ticker access to full series of S&P 500 structured protection ETFs.
  
• The Calamos Structured Protection ETF suite combines Calamos' decades-long alternatives and options investing expertise with the liquid, cost-effective and tax-efficient ETF structure.

METRO CHICAGO, Ill., Sept. 3, 2024 /PRNewswire/ -- Calamos Investments LLC ("Calamos"), a leading alternatives manager, today announced the planned launch of the Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL) on September 9, 2024 (Cboe). The launch reflects the firm's ongoing expansion of the Calamos Structured Protection ETFs series, a suite of ETFs offering capital-protected exposure across leading US indices.

CPSL is the first of its kind, bundling ETFs that offer 100% downside protection over their one-year outcome periods. The Fund is ideal for financial advisors seeking efficient model implementation across multiple client accounts, providing a high degree of capital protection and beta management while minimizing timing risk. It is particularly well suited for retirement or other decumulation strategies, thanks to its attributes that preserve capital and drastically reduce the impact of market drawdowns.

"Calamos remains steadfast in its commitment to innovate, now offering laddered exposure across our series of 100% downside protected S&P 500 Structured Protection ETFs," said John Koudounis, President and CEO of Calamos Investments. "Many of our clients have expressed interest in having a single-ticker portfolio solution which eliminates short term selection risk while creating an attractive risk/reward outcome. We're meeting that demand with CPSL."

During its initial launch phase, CPSL will seek to allocate assets equally across each of Calamos' current monthly Structured Protection S&P 500 ETFs (currently CPSM, CPSJ, CPSA, and CPST) and will continue to invest in any new S&P 500 series through June 2025. CPSL's underlying ETFs will each roll upon the completion of its outcome period, smoothing the rolling upside cap rates while providing substantial downside protection. CPSL's total expense ratio is 0.79%.

About Calamos
Calamos Investments is a diversified global investment firm offering innovative investment strategies, including alternatives, multi-asset, convertible, fixed income, private credit, equity, and sustainable equity. With $38.5 billion in AUM, including more than $16 billion in liquid alternatives assets as of July 31, 2024, the firm offers strategies through ETFs, mutual funds, closed-end funds, interval funds, UCITS funds and separately managed portfolios. Clients include financial advisors, wealth management platforms, pension funds, foundations & endowments, and individuals, globally. Headquartered in the Chicago metropolitan area, the firm also has offices in New York, San Francisco, Milwaukee, Portland, Oregon, and the Miami area. For more information, visit us on LinkedIn, on Twitter (@Calamos), on Instagram (@calamos_investments), or at .

The information in each fund's prospectus and statement of additional information is not complete and may be changed. We may not sell the securities of any fund until such fund's registration statement filed with the Securities and Exchange Commission is effective. Each fund's prospectus and statement of additional information is not an offer to sell such fund's securities and is not soliciting an offer to buy such fund's securities in any state where the offer or sale is not permitted.

Before investing, carefully consider the fund's investment objectives, risks, and 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.

Calamos Investments LLC, referred to herein Calamos is a financial services company offering such services through its subsidiaries: Calamos Advisors LLC, Calamos Wealth Management LLC, Calamos Investments LLP, and Calamos Financial Services LLC.

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

Investing involves risks. Loss of principal is possible. The Fund(s) face numerous market trading risks, including authorized participation concentration risk, cap change risk, capital protection risk, capped upside risk, cash holdings risk, clearing member default risk, correlation risk, derivatives risk, equity securities risk, investment timing risk, large-capitalization investing risk, liquidity risk, market maker risk, market risk, non-diversification risk, options risk, premium-discount risk, secondary market trading risk, sector risk, tax risk, trading issues risk, underlying ETF risk and valuation risk. For a detailed list of fund risks see the prospectus.

There are no assurances the Fund(s) will be successful in providing the sought-after protection. The outcomes that the Fund(s) seeks to provide may only be realized if you are holding shares on the first day of the outcome period and continue to hold them on the last day of the outcome period, approximately one year. There is no guarantee that the outcomes for an outcome period will be realized or that the Fund(s) will achieve its investment objective. If the outcome period has begun and the underlying ETF has increased in value, any appreciation of the Fund(s) by virtue of increases in the underlying ETF since the commencement of the outcome period will not be protected by the sought-after protection, and an investor could experience losses until the underlying ETF returns to the original price at the commencement of the outcome period. Fund shareholders are subject to an upside return cap (the "Cap") that represents the maximum percentage return an investor can achieve from an investment in the fund(s) for the outcome period, before fees and expenses. If the outcome period has begun and the Fund(s) have increased in value to a level near to the Cap, an investor purchasing at that price has little or no ability to achieve gains but remains vulnerable to downside risks. Additionally, the Cap may rise or fall from one outcome period to the next. The Cap, and the Fund(s) position relative to it, should be considered before investing in the Fund(s). The Fund(s) website, , provides important Fund information as well information relating to the potential outcomes of an investment in the Fund(s) on a daily basis.

The total expense ratio is comprised of a 0.69% expense ratio and 0.10% management fee.

The Fund(s) are designed to provide point-to-point exposure to the price return of the reference asset via a basket of Flex Options. As a result, the ETFs are not expected to move directly in line with the reference asset during the interim period. Investors purchasing shares after an outcome period has begun may experience very different results than fund's investment objective. Initial outcome periods are approximately 1-year beginning on the fund's inception date. Following the initial outcome period, each subsequent outcome period will begin on the first day of the month the fund was incepted. After the conclusion of an outcome period, another will begin.

FLEX Options Risk – The Fund(s) will utilize FLEX Options issued and guaranteed for settlement by the Options Clearing Corporation (OCC). In the unlikely event that the OCC becomes insolvent or is otherwise unable to meet its settlement obligations, the Fund(s) could suffer significant losses. Additionally, FLEX Options may be less liquid than standard options. In a less liquid market for the FLEX Options, the Fund(s) may have difficulty closing out certain FLEX Options positions at desired times and prices. The values of FLEX Options do not increase or decrease at the same rate as the reference asset and may vary due to factors other than the price of reference asset. Shares are bought and sold at market price, not net asset value (NAV), and are not individually redeemable from the fund. NAV represents the value of each share's portion of the fund's underlying assets and cash at the end of the trading day. Market price returns reflect the midpoint of the bid/ask spread as of the close of trading on the exchange where fund shares are listed.

100% capital protection is over a one-year period before fees and expenses. All caps are pre-determined.

Cap Rate – Maximum percentage return an investor can achieve from an investment in the Fund if held over the Outcome Period.

Protection Level – Amount of protection the Fund is designed to achieve over the Days Remaining.

Outcome Period – Number of days in the Outcome Period.

The "S&P 500" is a product of S&P Dow Jones Indices LLC or its affiliates ("SPDJI"), and has been licensed for use by Calamos Advisors LLC ("Calamos Advisors"). S&P, S&P 500, US 500, The 500, iBoxx, iTraxx and CDX are trademarks of S&P Global, Inc. or its affiliates ("S&P"); Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC ("Dow Jones"); and these trademarks have been licensed for use by SPDJI and sublicensed for certain purposes by Calamos Advisors LLC ("Calamos Advisors"). It is not possible to invest directly in an index. Calamos S&P 500 Structured Protection ETFs are not sponsored, endorsed, sold or promoted by SPDJI, Dow Jones, S&P, any of their respective affiliates (collectively, "S&P Dow Jones Indices"). S&P Dow Jones Indices makes no representation or warranty, express or implied, to the owners of the Calamos S&P 500 Structured Protection ETFs or any member of the public regarding the advisability of investing in securities generally or in Calamos S&P 500 Structured Protection ETFs particularly or the ability of the "S&P 500" to track general market performance. Past performance of an index is not an indication or guarantee of future results. S&P Dow Jones Indices' only relationship to Calamos Advisors LLC ("Calamos Advisors") with respect to the "S&P 500" is the licensing of the Index and certain trademarks, service marks and/or trade names of S&P Dow Jones Indices and/or its licensors. The "S&P 500" is determined, composed and calculated by S&P Dow Jones Indices without regard to Calamos Advisors LLC ("Calamos Advisors") or the Calamos S&P 500 Structured Protection ETFs. S&P Dow Jones Indices has no obligation to take the needs of Calamos Advisors LLC ("Calamos Advisors") or the owners of Calamos S&P 500 Structured Protection ETFs into consideration in determining, composing or calculating the "S&P 500". S&P Dow Jones Indices has no obligation or liability in connection with the administration, marketing or trading of Calamos S&P 500 Structured Protection ETFs. There is no assurance that investment products based on the "S&P 500" will accurately track index performance or provide positive investment returns. S&P Dow Jones Indices LLC is not an investment adviser, commodity trading advisory, commodity pool operator, broker dealer, fiduciary, promoter" (as defined in the Investment Company Act of 1940, as amended), "expert" as enumerated within 15 U.S.C. § 77k(a) or tax advisor.

STRUCTURED ALT PROTECTION ETF and STRUCTURED PROTECTION ETF are trademarks of Calamos Investments LLC.

Calamos Financial Services LLC, Distributor

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