Calamos International Growth Fund Institutional Class

Over

The fund normally invests at least 40% of its assets in securities of foreign issuers. It may invest in foreign securities that are represented in the United States securities markets by American Depositary Receipts ("ADRs") or similar depository arrangements. The fund may invest in securities of issuers in emerging markets to a significant extent. The investment adviser takes environmental, social and governance ("ESG") factors into account in making investment decisions.