| Date | Time | Source | Headline | Symbol | Company |
| 12/18/2020 | 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 |
| 12/18/2020 | 2:59PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/17/2020 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds' (NASDAQ: CHI, CHY, CSQ, CGO, CHW, and CCD) Mandatory Redeemable Preferred Shares Announ... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/17/2020 | 4:01PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/01/2020 | 6:42PM | 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 |
| 11/02/2020 | 4:05PM | PR Newswire (US) | Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Updated 2020 Fiscal YTD Estimate... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 10/01/2020 | 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 |
| 09/29/2020 | 1:38PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/01/2020 | 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 |
| 08/27/2020 | 6:04AM | Edgar (US Regulatory) | Annual Report of Proxy Voting Record for Management Investment Companies (n-px) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/03/2020 | 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 |
| 07/01/2020 | 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 |
| 06/26/2020 | 4:10PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/26/2020 | 2:52PM | 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 |
| 06/01/2020 | 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 |
| 05/14/2020 | 3:16PM | Edgar (US Regulatory) | Proxy Statement (definitive) (def 14a) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/01/2020 | 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 |
| 04/03/2020 | 2:38PM | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/01/2020 | 4:05PM | PR Newswire (US) | Calamos Investments Announces Calamos Global Dynamic Income Fund (NASDAQ: CHW) to Adopt Level Distribution Policy, Calamos Cl... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/31/2020 | 10:53AM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/04/2020 | 9:27AM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/02/2020 | 5:59PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions, Required Notification... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/21/2020 | 2:10PM | 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 |
| 02/10/2020 | 1:18PM | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 02/03/2020 | 4:01PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notificat... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 01/13/2020 | 1:38PM | Edgar (US Regulatory) | Annual Report for Registered Investment Companies (n-cen) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/27/2019 | 5:26PM | Edgar (US Regulatory) | Certified Annual Shareholder Report for Management Investment Companies (n-csr) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/27/2019 | 3:51PM | Edgar (US Regulatory) | Monthly Portfolio Investments Report on Form N-port (public) (nport-p) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/20/2019 | 4:43PM | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 12/20/2019 | 4:27PM | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |