Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000079464 | Calamos Antetokounmpo Global Sustainable Equities ETF | ||
| Class/Contract C000240501 | Calamos Antetokounmpo Global Sustainable Equities ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000081270 | Calamos Convertible Equity Alternative ETF | ||
| Class/Contract C000243953 | Calamos Convertible Equity Alternative ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000083148 | Calamos CEF Income & Arbitrage ETF | ||
| Class/Contract C000246662 | Calamos CEF Income & Arbitrage ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000083476 | Calamos Nasdaq Equity & Income ETF | ||
| Class/Contract C000247126 | Calamos Nasdaq Equity & Income ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084790 | Calamos Nasdaq-100 Structured Alt Protection ETF - December | ||
| Class/Contract C000249271 | Calamos Nasdaq-100 Structured Alt Protection ETF - December | CPNQ | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084791 | Calamos Nasdaq-100 Structured Alt Protection ETF - June | ||
| Class/Contract C000249272 | Calamos Nasdaq-100 Structured Alt Protection ETF - June | CPNJ | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084792 | Calamos Nasdaq-100 Structured Alt Protection ETF - March | ||
| Class/Contract C000249273 | Calamos Nasdaq-100 Structured Alt Protection ETF - March | CPNM | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084793 | Calamos Nasdaq-100 Structured Alt Protection ETF - September | ||
| Class/Contract C000249274 | Calamos Nasdaq-100 Structured Alt Protection ETF - September | CPNS | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084798 | Calamos S&P 500 Structured Alt Protection ETF - August | ||
| Class/Contract C000249279 | Calamos S&P 500 Structured Alt Protection ETF - August | CPSA | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084799 | Calamos S&P 500 Structured Alt Protection ETF - September | ||
| Class/Contract C000249280 | Calamos S&P 500 Structured Alt Protection ETF - September | CPST | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084800 | Calamos S&P 500 Structured Alt Protection ETF - May | ||
| Class/Contract C000249281 | Calamos S&P 500 Structured Alt Protection ETF - May | CPSM | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000084801 | Calamos S&P 500 Structured Alt Protection ETF - July | ||
| Class/Contract C000249282 | Calamos S&P 500 Structured Alt Protection ETF - July | CPSJ | |
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000085629 | Calamos Russell 2000 Structured Alt Protection ETF - April | ||
| Class/Contract C000250958 | Calamos Russell 2000 Structured Alt Protection ETF - April | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000085630 | Calamos Russell 2000 Structured Alt Protection ETF - January | ||
| Class/Contract C000250959 | Calamos Russell 2000 Structured Alt Protection ETF - January | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000085631 | Calamos Russell 2000 Structured Alt Protection ETF - July | ||
| Class/Contract C000250960 | Calamos Russell 2000 Structured Alt Protection ETF - July | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000085632 | Calamos Russell 2000 Structured Alt Protection ETF - October | ||
| Class/Contract C000250961 | Calamos Russell 2000 Structured Alt Protection ETF - October | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086979 | Calamos S&P 500 Structured Alt Protection ETF - April | ||
| Class/Contract C000252649 | Calamos S&P 500 Structured Alt Protection ETF - April | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086980 | Calamos S&P 500 Structured Alt Protection ETF - December | ||
| Class/Contract C000252650 | Calamos S&P 500 Structured Alt Protection ETF - December | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086981 | Calamos S&P 500 Structured Alt Protection ETF - February | ||
| Class/Contract C000252651 | Calamos S&P 500 Structured Alt Protection ETF - February | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086982 | Calamos S&P 500 Structured Alt Protection ETF - January | ||
| Class/Contract C000252652 | Calamos S&P 500 Structured Alt Protection ETF - January | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086983 | Calamos S&P 500 Structured Alt Protection ETF - June | ||
| Class/Contract C000252653 | Calamos S&P 500 Structured Alt Protection ETF - June | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086984 | Calamos S&P 500 Structured Alt Protection ETF - March | ||
| Class/Contract C000252654 | Calamos S&P 500 Structured Alt Protection ETF - March | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086985 | Calamos S&P 500 Structured Alt Protection ETF - November | ||
| Class/Contract C000252655 | Calamos S&P 500 Structured Alt Protection ETF - November | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000086986 | Calamos S&P 500 Structured Alt Protection ETF - October | ||
| Class/Contract C000252656 | Calamos S&P 500 Structured Alt Protection ETF - October | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000088047 | Calamos Laddered S&P 500 Structured Alt Protection ETF | ||
| Class/Contract C000254075 | Calamos Laddered S&P 500 Structured Alt Protection ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090058 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - January | ||
| Class/Contract C000256935 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - January | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090059 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | ||
| Class/Contract C000256936 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090060 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | ||
| Class/Contract C000256937 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090061 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | ||
| Class/Contract C000256938 | Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090064 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - January | ||
| Class/Contract C000256941 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - January | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090065 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - April | ||
| Class/Contract C000256942 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - April | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090066 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - July | ||
| Class/Contract C000256943 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - July | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090067 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - October | ||
| Class/Contract C000256944 | Calamos Bitcoin 90 Series Structured Alt Protection ETF - October | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090114 | Calamos Bitcoin Structured Alt Protection ETF - January | ||
| Class/Contract C000256995 | Calamos Bitcoin Structured Alt Protection ETF - January | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090115 | Calamos Bitcoin Structured Alt Protection ETF - April | ||
| Class/Contract C000256996 | Calamos Bitcoin Structured Alt Protection ETF - April | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090116 | Calamos Bitcoin Structured Alt Protection ETF - July | ||
| Class/Contract C000256997 | Calamos Bitcoin Structured Alt Protection ETF - July | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000090117 | Calamos Bitcoin Structured Alt Protection ETF - October | ||
| Class/Contract C000256998 | Calamos Bitcoin Structured Alt Protection ETF - October | ||
| Status | Name | Ticker Symbol | |
| CIK 0001579881 | |||
| Series S000093393 | Calamos Autocallable Income ETF | ||
| Class/Contract C000261610 | Calamos Autocallable Income ETF | CAIE | |
EIN.: 000000000 | State of Incorp.: DE
Type: 497 | Act: 33 | File No.: 333-191151 | Film No.: 251276948