| Date | Time | Source | Headline | Symbol | Company |
| 04/01/2024 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/01/2024 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/16/2024 | 11:27AM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/01/2024 | 4:11PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 01/16/2024 | 3:27PM | Edgar (US Regulatory) | Form N-CEN - Annual Report for Registered Investment Companies | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/27/2023 | 2:03PM | Edgar (US Regulatory) | Form NPORT-P - Monthly Portfolio Investments Report on Form N-PORT (Public) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/18/2023 | 6:06PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/01/2023 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 11/14/2023 | 12:46PM | Edgar (US Regulatory) | Form 5 - Annual statement of changes in beneficial ownership of securities | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 11/01/2023 | 4:19PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 10/02/2023 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/29/2023 | 9:14AM | Edgar (US Regulatory) | Form NPORT-P - Monthly Portfolio Investments Report on Form N-PORT (Public) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/28/2023 | 10:41AM | Edgar (US Regulatory) | Form 3 - Initial statement of beneficial ownership of securities | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/01/2023 | 4:10PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/28/2023 | 4:04PM | Edgar (US Regulatory) | Form N-PX - Annual Report of proxy voting record of management investment companies | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/01/2023 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 07/03/2023 | 2:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/28/2023 | 3:34PM | Edgar (US Regulatory) | Form N-CSRS - Certified Shareholder Report, Semi-Annual | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/28/2023 | 11:00AM | Edgar (US Regulatory) | Form NPORT-P - Monthly Portfolio Investments Report on Form N-PORT (Public) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/01/2023 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/01/2023 | 12:10PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/08/2023 | 4:23PM | Edgar (US Regulatory) | Proxy Statement (definitive) (def 14a) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/05/2023 | 10:49AM | Edgar (US Regulatory) | Fidelity Bond Filed Pursuant to Rule 17g-1(g)(1) of the Investment Company Act of 1940 (40-17g) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/01/2023 | 4:16PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/03/2023 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/01/2023 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/02/2023 | 10:38AM | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/01/2023 | 4:25PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 01/17/2023 | 1:09PM | Edgar (US Regulatory) | Annual Report for Registered Investment Companies (n-cen) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/19/2022 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |