| Date | Time | Source | Headline | Symbol | Company |
| 06/30/2015 | 4:01PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW and CCD) Announce Monthly Distributions for July 2015 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/29/2015 | 4:01PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW and CCD) Announce Monthly Distributions for June 2015 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/04/2014 | 4:01PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHW) Revise Allocation Estimates for September 2014 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/14/2014 | 8:30AM | Marketwired | Capital Link's 13th Annual Closed-End Funds & Global ETFS Forum; Thursday April 24, 2014 -- the Metropolitan Club, New York C... | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/09/2014 | 5:19PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/24/2014 | 2:08PM | Edgar (US Regulatory) | Quarterly Schedule of Portfolio Holdings of Registered Management Investment Company (n-q) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/04/2014 | 5:17PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/04/2014 | 5:17PM | Edgar (US Regulatory) | Certification of No Change in Definitive Materials. (497j) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/04/2014 | 5:17PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 11/29/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for December 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 11/05/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for November 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/18/2013 | 4:57PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 09/18/2013 | 4:57PM | Edgar (US Regulatory) | Quarterly Schedule of Portfolio Holdings of Registered Management Investment Company (n-q) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/30/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for September 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/30/2013 | 10:23AM | Edgar (US Regulatory) | Annual Report of Proxy Voting Record for Management Investment Companies (n-px) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/30/2013 | 10:22AM | Edgar (US Regulatory) | Annual Report of Proxy Voting Record for Management Investment Companies (n-px) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/15/2013 | 4:59PM | Edgar (US Regulatory) | Amended Fidelity Bond Filed Pursuant to Rule 17g-1(g)(1) of the Investment Company Act of 1940 (40-17g/a) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 08/01/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for August 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/28/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for July 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/27/2013 | 4:02PM | Edgar (US Regulatory) | Semi-annual Report (management Company) (nsar-a) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/26/2013 | 6:02AM | Edgar (US Regulatory) | Certified Semi-annual Shareholder Report for Management Investment Companies (n-csrs) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 06/05/2013 | 5:05PM | Edgar (US Regulatory) | Amended Fidelity Bond Filed Pursuant to Rule 17g-1(g)(1) of the Investment Company Act of 1940 (40-17g/a) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/31/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for June 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 05/22/2013 | 3:31PM | Edgar (US Regulatory) | Proxy Statement (definitive) (def 14a) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/30/2013 | 4:00PM | PR Newswire (US) | Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO and CHW) Announce Monthly Distributions for May 2013 | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 04/18/2013 | 5:18PM | 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 |
| 04/10/2013 | 10:22AM | Marketwired | Calamos Investments to Present at Capital Link's 12th Annual Closed-End Funds & Global ETFs Forum | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/25/2013 | 5:25PM | Edgar (US Regulatory) | Current Report Filing (8-k) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/25/2013 | 5:25PM | Edgar (US Regulatory) | Quarterly Schedule of Portfolio Holdings of Registered Management Investment Company (n-q) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |
| 03/06/2013 | 4:23PM | Edgar (US Regulatory) | Definitive Materials Filed by Investment Companies. (497) | NASDAQ:CHI | Calamos Convertible Opportunities and Income Fund |