| Date | Time | Source | Headline | Symbol | Company |
| 12/20/2021 | 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 |
| 12/01/2021 | 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 |
| 11/01/2021 | 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 |
| 10/15/2021 | 11:22AM | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 10/15/2021 | 11:00AM | Edgar (US Regulatory) | Statement of Ownership (sc 13g) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 10/14/2021 | 5:01PM | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 10/01/2021 | 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 |
| 09/28/2021 | 1:47PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/01/2021 | 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 |
| 08/27/2021 | 6:01AM | Edgar (US Regulatory) | Annual Report of Proxy Voting Record for Management Investment Companies (n-px) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/24/2021 | 4:05PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW and CCD) Announce Private Placements Totaling $284.5 Million of Mandatory Redeemable Preferred Shares | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/02/2021 | 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 |
| 07/01/2021 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Requir... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/30/2021 | 5:12PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/28/2021 | 2:33PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/25/2021 | 4:49PM | Edgar (US Regulatory) | Certified Semi-annual Shareholder Report for Management Investment Companies (n-csrs) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/21/2021 | 4:25PM | 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 |
| 06/01/2021 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Requir... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/03/2021 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Requir... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/01/2021 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Requir... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/31/2021 | 3:41PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/05/2021 | 11:55AM | Edgar (US Regulatory) | Prospectus Filed Pursuant to Rule 424(b)(5) (424b5) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/01/2021 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Requir... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/19/2021 | 5:17PM | Edgar (US Regulatory) | Filed Under the 1933 Act Only or Under Both the 1933 and 1940 Acts: Pursuant to Rule 486(b) (486bpos) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/01/2021 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Requir... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 01/21/2021 | 8:12PM | PR Newswire (US) | Calamos Investments Announces Five Closed-End Funds (NASDAQ: CHI, CHY, CCD, CSQ, and CPZ) to Raise Monthly Distributions Paya... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 01/21/2021 | 7:43PM | PR Newswire (US) | Calamos Investments Announces Calamos Convertible Opportunities and Income Fund (NASDAQ: CHI) to Raise Monthly Distribution P... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 01/12/2021 | 4:35PM | Edgar (US Regulatory) | Current Report Filing (8-k) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/30/2020 | 3:32PM | Edgar (US Regulatory) | Certified Annual Shareholder Report for Management Investment Companies (n-csr) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/18/2020 | 6:07PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |