Calamos Convertible Opportunities and Income Fund (CHI)

Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution

Calamos Investments®* has announced monthly distributions and sources of distributions paid in March 2024 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans.