Calamos Funds Portfolio Data as of 07/30/21 (unaudited) This presentation is for informational purposes only and should not be substituted for fiscal quarter-end portfolio holdings filed with the SEC. These holdings include securities and cash equivalents.

Important Legal Information

The portfolio data is “as of” the date indicated and may not represent current or future portfolio composition. Portfolio holdings are subject to change daily without notice. Includes cash and cash equivalents and excludes forwards, futures, and swaps. Unlike the fund’s regulatory filings, the portfolio data and its presentation in this document are not required to conform to Generally Accepted Accounting Principles (GAAP) and Securities and Exchange Commission (SEC) requirements and are unaudited. Therefore, this information may differ from that information contained in the annual and semi-annual reports to shareholders filed with the SEC on Form N-CSR or Form N-Q. This information does not constitute a recommendation or offer for a particular security, nor should it be taken as a solicitation or recommendation to buy or sell securities or other investments.

Percent of Interest Date Fund Name Security Name Ticker Investment Type Name Major Industry Name Issue Country Name Local Currency Name Shares/Par Value Local Market Value Base Market Value Maturity Date Investments Rate 07/30/21 Calamos International Growth Fund ASML Holding, NV ASML NA Common Stocks Information Technology Netherlands (The) Euro Currency 22,855 14,727,080 17,469,991 6.08% 07/30/21 Calamos International Growth Fund Taiwan Semiconductor Manufacturing Company, Ltd. 2330 TT Common Stocks Information Technology Taiwan (Province Of China) New Taiwan Dollar 473,000 276,446,931 9,885,462 3.44% 07/30/21 Calamos International Growth Fund Alcon, Inc. ALC US Common Stocks Health Care Switzerland US Dollar 103,150 7,509,320 7,509,320 2.61% 07/30/21 Calamos International Growth Fund Ubs Group,, AG Reg Common Stock Chf.1 UBS US Common Stocks Financials Switzerland US Dollar 403,700 6,652,976 6,652,976 2.31% 07/30/21 Calamos International Growth Fund HDFC Bank, Ltd. HDFCB IN Common Stocks Financials India Indian Rupee 343,000 490,695,886 6,594,045 2.29% 07/30/21 Calamos International Growth Fund LVMH Moet Hennessy Louis Vuitton, SE MC FP Common Stocks Consumer Discretionary France Euro Currency 8,100 5,467,149 6,485,403 2.26% 07/30/21 Calamos International Growth Fund Adyen, NV ADYEN NA Common Stocks Information Technology Netherlands (The) Euro Currency 2,295 5,243,048 6,219,563 2.16% 07/30/21 Calamos International Growth Fund Novo Nordisk, A/S - Class B NOVOB DC Common Stocks Health Care Denmark Danish Krone 65,500 38,023,697 6,063,418 2.11% 07/30/21 Calamos International Growth Fund ING Groep, NV INGA NA Common Stocks Financials Netherlands (The) Euro Currency 455,800 4,930,017 5,848,230 2.03% 07/30/21 Calamos International Growth Fund Deutsche Post, AG DPW GR Common Stocks Industrials Germany Euro Currency 85,500 4,884,668 5,794,434 2.02% 07/30/21 Calamos International Growth Fund , Inc. SHOP US Common Stocks Information Technology Canada US Dollar 3,765 5,647,236 5,647,236 1.96% 07/30/21 Calamos International Growth Fund Aptiv, PLC APTV US Common Stocks Consumer Discretionary Ireland US Dollar 33,100 5,522,735 5,522,735 1.92% 07/30/21 Calamos International Growth Fund Sea, Ltd. SE US Common Stocks Communication Services Singapore US Dollar 19,680 5,434,829 5,434,829 1.89% 07/30/21 Calamos International Growth Fund Alibaba Group Holding, Ltd. BABA US Common Stocks Consumer Discretionary China US Dollar 26,262 5,126,080 5,126,080 1.78% 07/30/21 Calamos International Growth Fund Keyence Corp. 6861 JP Common Stocks Information Technology Japan Japanese Yen 9,200 562,174,818 5,124,423 1.78% 07/30/21 Calamos International Growth Fund Taiwan Semiconductor Manufacturing Company, Ltd. TSM US Common Stocks Information Technology Taiwan (Province Of China) US Dollar 39,150 4,566,456 4,566,456 1.59% 07/30/21 Calamos International Growth Fund Tencent Holdings, Ltd. 700 HK Common Stocks Communication Services China Hong Kong Dollar 74,300 34,821,710 4,480,895 1.56% 07/30/21 Calamos International Growth Fund Lonza Group, AG LONN SW Common Stocks Health Care Switzerland Swiss Franc 5,750 4,055,577 4,477,096 1.56% 07/30/21 Calamos International Growth Fund Schneider Electric, SE SU FP Common Stocks Industrials France Euro Currency 26,275 3,709,806 4,400,756 1.53% 07/30/21 Calamos International Growth Fund Lloyds Banking Group, PLC LLOY LN Common Stocks Financials United Kingdom Pound Sterling 6,900,400 3,138,771 4,362,895 1.52% 07/30/21 Calamos International Growth Fund Tata Steel, Ltd. TATA IN Common Stocks Materials India Indian Rupee 197,900 284,609,728 3,824,628 1.33% 07/30/21 Calamos International Growth Fund AIA Group, Ltd. 1299 HK Common Stocks Financials Hong Kong Hong Kong Dollar 313,200 29,123,754 3,747,676 1.30% 07/30/21 Calamos International Growth Fund Fujitsu, Ltd. 6702 JP Common Stocks Information Technology Japan Japanese Yen 22,000 410,611,425 3,742,869 1.30% 07/30/21 Calamos International Growth Fund Cemex SAB de CV CX US Common Stocks Materials Mexico US Dollar 445,000 3,617,850 3,617,850 1.26% 07/30/21 Calamos International Growth Fund CAE, Inc. CAE CN Common Stocks Industrials Canada Canadian Dollar 116,000 4,416,120 3,539,692 1.23% 07/30/21 Calamos International Growth Fund Wuxi Biologics Cayman, Inc. 2269 HK Common Stocks Health Care China Hong Kong Dollar 231,000 27,419,351 3,528,352 1.23% 07/30/21 Calamos International Growth Fund Li Ning Company, Ltd. 2331 HK Common Stocks Consumer Discretionary China Hong Kong Dollar 334,000 27,412,564 3,527,478 1.23% 07/30/21 Calamos International Growth Fund Daimler, AG DAI GR Common Stocks Consumer Discretionary Germany Euro Currency 39,500 2,971,514 3,524,957 1.23% 07/30/21 Calamos International Growth Fund Techtronic Industries Company, Ltd. 669 HK Common Stocks Industrials Hong Kong Hong Kong Dollar 191,000 26,468,271 3,405,966 1.18% 07/30/21 Calamos International Growth Fund Tokyo Electron, Ltd. 8035 JP Common Stocks Information Technology Japan Japanese Yen 8,100 366,485,561 3,340,646 1.16% 07/30/21 Calamos International Growth Fund Dassault Systemes, SE DSY FP Common Stocks Information Technology France Euro Currency 59,500 2,766,830 3,282,151 1.14% 07/30/21 Calamos International Growth Fund Airbus, SE AIR FP Common Stocks Industrials France Euro Currency 23,500 2,717,357 3,223,463 1.12% 07/30/21 Calamos International Growth Fund Accenture PLC- Class A ACN US Common Stocks Information Technology Ireland US Dollar 9,850 3,129,148 3,129,148 1.09% 07/30/21 Calamos International Growth Fund James Hardie Industries, PLC JHX AU Common Stocks Materials Ireland Australian Dollar 90,850 4,176,802 3,065,147 1.07% 07/30/21 Calamos International Growth Fund , Ltd. CP CN Common Stocks Industrials Canada Canadian Dollar 40,750 3,775,080 3,025,874 1.05% 07/30/21 Calamos International Growth Fund Moncler S.p.A MONC IM Common Stocks Consumer Discretionary Italy Euro Currency 43,900 2,541,767 3,015,170 1.05% 07/30/21 Calamos International Growth Fund ArcelorMittal, SA MT NA Common Stocks Materials Luxembourg Euro Currency 83,470 2,457,514 2,915,225 1.01% 07/30/21 Calamos International Growth Fund Canadian Natural Resources, Ltd. CNQ CN Common Stocks Energy Canada Canadian Dollar 87,800 3,614,726 2,897,344 1.01% 07/30/21 Calamos International Growth Fund FANUC Corp. 6954 JP Common Stocks Industrials Japan Japanese Yen 12,800 314,500,596 2,866,785 1.00% 07/30/21 Calamos International Growth Fund Nestlé, SA NESN SW Common Stocks Consumer Staples Switzerland Swiss Franc 22,500 2,580,918 2,849,167 0.99% 07/30/21 Calamos International Growth Fund Lululemon Athletica, Inc. LULU US Common Stocks Consumer Discretionary Canada US Dollar 7,100 2,841,207 2,841,207 0.99% 07/30/21 Calamos International Growth Fund Recruit Holdings Company, Ltd. 6098 JP Common Stocks Industrials Japan Japanese Yen 54,600 310,459,862 2,829,952 0.98% 07/30/21 Calamos International Growth Fund Hong Kong Exchanges & Clearing, Ltd. 388 HK Common Stocks Financials Hong Kong Hong Kong Dollar 44,200 21,952,007 2,824,808 0.98% 07/30/21 Calamos International Growth Fund LivaNova, PLC LIVN US Common Stocks Health Care United Kingdom US Dollar 32,600 2,813,380 2,813,380 0.98% 07/30/21 Calamos International Growth Fund Air Canada AC CN Common Stocks Industrials Canada Canadian Dollar 140,200 3,502,196 2,807,147 0.98% 07/30/21 Calamos International Growth Fund Travis Perkins, PLC TPK LN Common Stocks Industrials United Kingdom Pound Sterling 118,100 2,009,573 2,793,308 0.97% 07/30/21 Calamos International Growth Fund Compass Group, PLC CPG LN Common Stocks Consumer Discretionary United Kingdom Pound Sterling 126,200 1,918,410 2,666,591 0.93% 07/30/21 Calamos International Growth Fund Carl Zeiss Meditec, AG AFX GR Common Stocks Health Care Germany Euro Currency 11,700 2,196,618 2,605,737 0.91% 07/30/21 Calamos International Growth Fund Persimmon, PLC PSN LN Common Stocks Consumer Discretionary United Kingdom Pound Sterling 64,000 1,857,270 2,581,607 0.90% 07/30/21 Calamos International Growth Fund Amadeus IT Group, SA AMS SM Common Stocks Information Technology Spain Euro Currency 39,250 2,169,902 2,574,046 0.90% 07/30/21 Calamos International Growth Fund Atlas Copco, AB ATCOA SS Common Stocks Industrials Sweden Swedish Krona 37,600 21,920,949 2,546,460 0.89% 07/30/21 Calamos International Growth Fund Lixil Corp. 5938 JP Common Stocks Industrials Japan Japanese Yen 92,900 278,129,352 2,535,248 0.88% 07/30/21 Calamos International Growth Fund ICICI Bank, Ltd. IBN US Common Stocks Financials India US Dollar 135,400 2,517,086 2,517,086 0.88% 07/30/21 Calamos International Growth Fund Godrej Properties, Ltd. GPL IN Common Stocks Real Estate India Indian Rupee 110,211 177,605,069 2,386,684 0.83% 07/30/21 Calamos International Growth Fund ASM International, NV ASM NA Common Stocks Information Technology Netherlands (The) Euro Currency 6,700 2,004,551 2,377,897 0.83% 07/30/21 Calamos International Growth Fund Dixon Technologies India, Ltd. DIXON IN Common Stocks Consumer Discretionary India Indian Rupee 41,000 176,743,731 2,375,109 0.83% 07/30/21 Calamos International Growth Fund Group Corp. SONY US Common Stocks Consumer Discretionary Japan US Dollar 22,300 2,325,890 2,325,890 0.81% 07/30/21 Calamos International Growth Fund NN Group, NV NN NA Common Stocks Financials Netherlands (The) Euro Currency 44,600 1,869,210 2,217,350 0.77% 07/30/21 Calamos International Growth Fund L'Oreal, SA OR FP Common Stocks Consumer Staples France Euro Currency 4,800 1,851,186 2,195,969 0.76% 07/30/21 Calamos International Growth Fund Nidec Corp. 6594 JP Common Stocks Industrials Japan Japanese Yen 19,500 240,116,615 2,188,748 0.76% 07/30/21 Calamos International Growth Fund , Ltd. FM CN Common Stocks Materials Canada Canadian Dollar 101,800 2,720,096 2,180,263 0.76% 07/30/21 Calamos International Growth Fund Puma, SE PUM GR Common Stocks Consumer Discretionary Germany Euro Currency 17,700 1,830,347 2,171,248 0.76% 07/30/21 Calamos International Growth Fund Carlsberg AS CARLB DC Common Stocks Consumer Staples Denmark Danish Krone 11,700 13,557,834 2,161,989 0.75% 07/30/21 Calamos International Growth Fund NAVER Corp. 035420 KS Common Stocks Communication Services Korea (The Republic Of) South Korean Won 5,700 2,471,125,437 2,148,338 0.75% 07/30/21 Calamos International Growth Fund Capri Holdings, Ltd. CPRI US Common Stocks Consumer Discretionary United Kingdom US Dollar 38,150 2,148,227 2,148,227 0.75% 07/30/21 Calamos International Growth Fund Horizon Therapeutics, PLC HZNP US Common Stocks Health Care United States Of America (The) US Dollar 21,400 2,140,428 2,140,428 0.74% 07/30/21 Calamos International Growth Fund CRH, PLC CRH ID Common Stocks Materials Ireland Euro Currency 42,600 1,794,823 2,129,108 0.74% 07/30/21 Calamos International Growth Fund Samsung Electronics Company, Ltd. 005930 KS Common Stocks Information Technology Korea (The Republic Of) South Korean Won 30,300 2,381,699,200 2,070,593 0.72% 07/30/21 Calamos International Growth Fund Ryanair Holdings, PLC RYA ID Common Stocks Industrials Ireland Euro Currency 102,700 1,699,474 2,016,001 0.70% 07/30/21 Calamos International Growth Fund BMO CN Common Stocks Financials Canada Canadian Dollar 20,300 2,507,659 2,009,986 0.70% 07/30/21 Calamos International Growth Fund Global Fashion Group, SA GFG GR Common Stocks Consumer Discretionary Luxembourg Euro Currency 147,250 1,688,605 2,003,106 0.70% 07/30/21 Calamos International Growth Fund Publicis Groupe, SA PUB FP Common Stocks Consumer Discretionary France Euro Currency 31,500 1,676,388 1,988,614 0.69% 07/30/21 Calamos International Growth Fund TOTAL, SE TTE FP Common Stocks Energy France Euro Currency 45,600 1,676,263 1,988,466 0.69% 07/30/21 Calamos International Growth Fund Intesa Sanpaolo, S.p.A. ISP IM Common Stocks Financials Italy Euro Currency 717,000 1,669,755 1,980,746 0.69% 07/30/21 Calamos International Growth Fund Magna International, Inc. MG CN Common Stocks Consumer Discretionary Canada Canadian Dollar 22,100 2,311,660 1,852,886 0.64% 07/30/21 Calamos International Growth Fund LG Chem, Ltd. 051910 KS Common Stocks Materials Korea (The Republic Of) South Korean Won 2,500 2,112,157,000 1,836,259 0.64% 07/30/21 Calamos International Growth Fund Sandvik, AB SAND SS Common Stocks Industrials Sweden Swedish Krona 69,700 15,645,920 1,817,518 0.63% 07/30/21 Calamos International Growth Fund Banco Bradesco, SA BBDC4 BZ Convertible Preferred Stocks Financials Brazil Brazilian Real 389,000 9,433,250 1,811,213 0.63% 07/30/21 Calamos International Growth Fund Atlassian Corp., PLC TEAM US Common Stocks Information Technology Australia US Dollar 5,400 1,755,648 1,755,648 0.61% 07/30/21 Calamos International Growth Fund EQT, AB EQT SS Common Stocks Financials Sweden Swedish Krona 29,200 12,116,340 1,407,502 0.49% 07/30/21 Calamos International Growth Fund Alphawave IP Group, PLC AWE LN Common Stocks Information Technology United Kingdom Pound Sterling 144,000 614,016 853,483 0.30% 07/30/21 Calamos International Growth Fund Global-e Online, Ltd. GLBE US Common Stocks Consumer Discretionary Israel US Dollar 12,200 849,608 849,608 0.30% 07/30/21 Calamos International Growth Fund Darktrace, PLC DARK LN Common Stocks Information Technology United Kingdom Pound Sterling 70,000 535,500 744,345 0.26% 07/30/21 Calamos International Growth Fund CTS Eventim, AG & Company KGaA EVD GR Common Stocks Communication Services Germany Euro Currency 10,700 612,867 727,013 0.25%