CHI / Calamos Convertible Opportunities and Income Fund - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Calamos Convertible Opportunities and Income Fund
US ˙ NasdaqGS ˙ US1281171082

Mga Batayang Estadistika
LEI 549300ZBRGRX6VMFJ315
CIK 1171471
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Calamos Convertible Opportunities and Income Fund
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 29, 2025 424B3

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND (the “Fund”) Supplement dated September 1, 2025 to the CALAMOS® FAMILY OF FUNDS (the “Funds”) Statement of Additional Information, dated February 21, 2025, as supplemented

Filed pursuant to Rule 424(b)(3) File No. 333-285118 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND (the “Fund”) Supplement dated September 1, 2025 to the CALAMOS® FAMILY OF FUNDS (the “Funds”) Statement of Additional Information, dated February 21, 2025, as supplemented This supplement updates certain information contained in the Statement of Additional Information noted above and should be at

May 12, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

April 25, 2025 CORRESP

April 25, 2025

April 25, 2025 Mr. John Kernan Chief Accounting Office Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Calamos Global Total Return Fund (“CGO”) (File No. 811-2547); Calamos Convertible and High Income Fund (“CHY”) (File No. 811-21319); Calamos Convertible Opportunities and Income Fund (“CHI”) (File No. 811-21080); Calamos Global Dynamic Income Fund (“CHW”) (File No. 81

February 24, 2025 424B5

Calamos Convertible Opportunities and Income Fund Up to 17,435,035 Common Shares

Filed pursuant to Rule 424(b)(5) File No. 333-285118 Prospectus Supplement (To Prospectus dated February 21, 2025) Calamos Convertible Opportunities and Income Fund Up to 17,435,035 Common Shares Calamos Convertible Opportunities and Income Fund (the "Fund," "we," "us," or "our") has entered into a distribution agreement dated February 24, 2025 (the "Distribution Agreement") with Foreside Fund Ser

February 21, 2025 EX-99.(K)(1)(VI)

Fifth Amendment to the Amended and Restated Stock Transfer Agency Agreement

Exhibit k.1.vi Fifth Amendment to the Amended and Restated Stock Transfer Agency Agreement THIS FIFTH AMENDMENT ("Amendment"), effective as of August 24, 2021, ("Effective Date"), is to the Amended and Restated Stock Transfer Agency Agreement (the "Agreement") made as of June 15, 2007, and amended as of March 20, 2015, September 6, 2017, and October 18, 2017, between each entity set forth in Sched

February 21, 2025 EX-99.(K)(1)(X)

NINTH AMENDMENT TO THE AMENDED AND RESTATED LIQUIDITY AGREEMENT EACH FUND LISTED ON SCHEDULE A TO THE LIQUIDITY AGREEMENT STATE STREET BANK AND TRUST COMPANY

Exhibit k.1.x NINTH AMENDMENT TO THE AMENDED AND RESTATED LIQUIDITY AGREEMENT BETWEEN EACH FUND LISTED ON SCHEDULE A TO THE LIQUIDITY AGREEMENT AND STATE STREET BANK AND TRUST COMPANY This Ninth Amendment (this “Amendment”) is made this 9th day of September, 2024 and amends the Liquidity Agreement dated as of August 31, 2017, as subsequently amended, by and between each FUND LISTED ON SCHEDULE A T

February 21, 2025 EX-FILING FEES

Calculation of Filing Fee Tables Form N-2 (Form Type) Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit S EX. FILING FEES Calculation of Filing Fee Tables Form N-2 (Form Type) Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering P

February 21, 2025 EX-99.(K)(1)(VII)

Fifth Amendment to the Amended and Restated Stock Transfer Agency Agreement

Exhibit k.1.vii Fifth Amendment to the Amended and Restated Stock Transfer Agency Agreement THIS FIFTH AMENDMENT ("Amendment"), effective as of February 28, 2022, ("Effective Date"), is to the Amended and Restated Stock Transfer Agency Agreement (the "Agreement") made as of June 15, 2007, and amended as of March 20, 2015, September 6, 2017, October 18, 2017, and August 24, 2021, between each entit

February 21, 2025 EX-99.(B)(2)

CALAMOS CONVERTIBLE OPPORTUNITIES and INCOME FUND AMENDMENT NO. 1 TO THE BY-LAWS

Exhibit b.2 CALAMOS CONVERTIBLE OPPORTUNITIES and INCOME FUND AMENDMENT NO. 1 TO THE BY-LAWS The undersigned, being at least a majority of the Trustees of Calamos Convertible Opportunities and Income Fund (the “Trust”), hereby amend the Trust’s By-Laws, as amended and restated through August 23, 2021 (the “By-Laws”), as follows: 1. The By-Laws are hereby amended by deleting Article 12 thereof in i

February 21, 2025 EX-99.(N)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 99.n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-229038 on Form N-2 of our report dated December 18, 2024, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, Calamos Convertible and High Income Fund, Calamos Strategic Total Return Fund

February 21, 2025 EX-99.(H)(8)

FORM OF SUB-PLACEMENT AGENT AGREEMENT Foreside Fund Services, LLC Three Canal Plaza, Suite 100 Portland, Maine 04101

Exhibit h.8 Execution Version FORM OF SUB-PLACEMENT AGENT AGREEMENT Foreside Fund Services, LLC Three Canal Plaza, Suite 100 Portland, Maine 04101 February 24, 2025 UBS Securities LLC 1285 Avenue of the Americas New York, New York 10019 RE: At-the-Market Offerings by Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: From time to time Foreside Fund Services, LLC (the “Distribu

February 21, 2025 EX-99.(K)(1)(VIII)

Sixth Amendment to the Amended and Restated Stock Transfer Agency Agreement

Exhibit k.1.viii Sixth Amendment to the Amended and Restated Stock Transfer Agency Agreement THIS SIXTH AMENDMENT ("Amendment"), effective as of March 24, 2022 ("Effective Date"), is to the Amended and Restated Stock Transfer Agency Agreement (the "Agreement"), made as of June 15, 2007, and amended as of March 20, 2015, September 6, 2017, October 18, 2017, August 24, 2021, and February 28, 2022, b

February 21, 2025 EX-99.(L)(5)

Morris, Nichols, Arsht & Tunnell llp 1201 North Market Street P.O. BOX 1347 Wilmington, Delaware 19899-1347 (302) 658-9200 (302) 658-3989 FAX February 21, 2025

Exhibit l.5 Morris, Nichols, Arsht & Tunnell llp 1201 North Market Street P.O. BOX 1347 Wilmington, Delaware 19899-1347 (302) 658-9200 (302) 658-3989 FAX February 21, 2025 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware counsel to Calamos Con

February 21, 2025 EX-99.(T)

POWER OF ATTORNEY

Exhibit t POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

February 21, 2025 N-2ASR

As filed with the Securities and Exchange Commission on February 21, 2025

As filed with the Securities and Exchange Commission on February 21, 2025 1933 Act File No.

February 21, 2025 EX-99.(H)(7)

FORM OF DISTRIBUTION AGREEMENT

Exhibit h.7 Execution Version FORM OF DISTRIBUTION AGREEMENT This DISTRIBUTION AGREEMENT (this “Agreement”) made as of February 24, 2025 by and between Calamos Convertible Opportunities and Income Fund, a Delaware statutory trust (the “Fund”), and Foreside Fund Services, LLC, a Delaware limited liability company (the “Distributor”). WITNESSETH: WHEREAS, the Fund is registered under the Investment

February 21, 2025 EX-99.(K)(1)(IX)

Eighth Amendment to the Amended and Restated Stock Transfer Agency Agreement

Exhibit k.1.ix Eighth Amendment to the Amended and Restated Stock Transfer Agency Agreement THIS EIGHTH AMENDMENT (“Amendment”), effective as of September 6, 2022, (“Effective Date”), is to the Amended and Restated Stock Transfer Agency Agreement (the “Agreement”) made as of June 15, 2007, and amended as of July 1, 2012, March 20, 2015, September 6, 2017, October 18, 2017, August 24, 2021, Februar

December 20, 2024 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated December 20, 2024 to the Fund's Prospectus dated February 24, 2022, as supplemented from time to time, and to the Fund's Statement of Information ("SAI") dated February 2

Filed pursuant to Rule 424(B)(3) Registration No. 333-229042 Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated December 20, 2024 to the Fund's Prospectus dated February 24, 2022, as supplemented from time to time, and to the Fund's Statement of Information ("SAI") dated February 24, 2022, as supplemented from time to time Recent Developments – Dividends and Distributi

October 7, 2024 SC 13G

CHI / Calamos Convertible Opportunities and Income Fund / MetLife Investment Management, LLC Passive Investment

SC 13G 1 sayw2410070213g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND (Name of Issuer) Series G Mandatory Redeemable Preferred Shares (Title of Class of Securities) 1281174*6 (CUSIP Number) September 30, 2024 (Date of Event which Requires Filing of

September 19, 2024 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated September 19, 2024 to the Fund's Prospectus dated February 24, 2022, as supplemented from time to time and to the Fund's Statement of Information ("SAI") dated February 2

Filed pursuant to Rule 424(B)(3) Registration No. 333-229042 Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated September 19, 2024 to the Fund's Prospectus dated February 24, 2022, as supplemented from time to time and to the Fund's Statement of Information ("SAI") dated February 24, 2022, as supplemented from time to time I. Recent Developments — Mandatory Redeemable

August 30, 2024 SC 13G

CHI / Calamos Convertible Opportunities and Income Fund / NORTHWESTERN MUTUAL LIFE INSURANCE CO - SC 13G Passive Investment

SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Calamos Convertible Opportunities and Income Fund (Name of Issuer) Series G Mandatory Redeemable Preferred Shares (Title of Class of Securities) 128117 4*6 (CUSIP Number) September 9, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropr

May 14, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) May 14, 2024 Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 811-21080 03-0426532 (Commission File Number) (IRS Employer Identification No.

May 14, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

May 14, 2024 EX-3.2

CALAMOS CONVERTIBLE OPPORTUNITIES and INCOME FUND AMENDMENT NO. 1 TO THE BY-LAWS

Exhibit 3.2 CALAMOS CONVERTIBLE OPPORTUNITIES and INCOME FUND AMENDMENT NO. 1 TO THE BY-LAWS The undersigned, being at least a majority of the Trustees of Calamos Convertible Opportunities and Income Fund (the “Trust”), hereby amend the Trust’s By-Laws, as amended and restated through August 23, 2021 (the “By-Laws”), as follows: 1. The By-Laws are hereby amended by deleting Article 12 thereof in i

May 8, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

March 31, 2023 NPORT-EX

See accompanying Notes to Schedule of Investments

NPORT-EX 2 cvxb1312023.htm PART F Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JANUARY 31, 2023 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (39.8%) Airlines (0.8%) 1,387,732 Air Canada Pass Through Trust Series 2015-1, Class B* 3.875%, 09/15/24 $ 1,382,333 188,800 Air Canada Pass Through Trust Series 2015-2, Class B* 5.000%, 06/15/25 184,048 969,707 Alaska Airli

October 3, 2022 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated September 30, 2022 to the Fund's Prospectus dated February 24, 2022, and as supplemented from time to time and to the Fund's Statement of Information ("SAI") dated Februa

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated September 30, 2022 to the Fund's Prospectus dated February 24, 2022, and as supplemented from time to time and to the Fund's Statement of Information ("SAI") dated February 24, 2022, and as supplemented from time to time I.

September 29, 2022 NPORT-EX

PRINCIPAL AMOUNT

HTML Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JULY 31, 2022 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (39.

June 10, 2022 SC 13G

CHI / Calamos Convertible Opportunities and Income Fund / MetLife Investment Management, LLC - SC 13G Passive Investment

SC 13G 1 brhc10038104sc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND (Name of Issuer) Series D Mandatory Redeemable Preferred Shares (Title of Class of Securities) 1281173*7 (CUSIP Number) August 31, 2021 (Date of Event which Requires F

June 10, 2022 SC 13G

CHI / Calamos Convertible Opportunities and Income Fund / MetLife Investment Management, LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND (Name of Issuer) Series E Mandatory Redeemable Preferred Shares (Title of Class of Securities) 1281173@5 (CUSIP Number) May 31, 2022 (Date of Event which Requires Filing of this Statement) Check the approp

June 7, 2022 CORRESP

* * * * *

ROPES & GRAY LLP 191 NORTH WACKER DRIVE 32nd FLOOR CHICAGO, ILLINOIS 60606-4302 WWW.

June 2, 2022 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated June 1, 2022 to the Fund's Prospectus dated March 1, 2021, as supplemented from time to time and to the Fund's Statement of Information ("SAI") dated March 1, 2021, as su

424B3 1 tm2217416d7424b3.htm 424B3 Filed pursuant to Rule 424(B)(3) Registration No. 333-229042 Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated June 1, 2022 to the Fund's Prospectus dated March 1, 2021, as supplemented from time to time and to the Fund's Statement of Information ("SAI") dated March 1, 2021, as supplemented from time to time I. Recent Developments —

May 11, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A 1 tm2214781d1def14a.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (a

March 25, 2022 NPORT-EX

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JANUARY 31, 2022 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (36.

March 3, 2022 424B5

Calamos Convertible Opportunities and Income Fund Up to 7,309,941 Common Shares

Filed pursuant to Rule 424(b)(5) File No. 333-262969 Prospectus Supplement (To Prospectus dated February 24, 2022) Calamos Convertible Opportunities and Income Fund Up to 7,309,941 Common Shares Calamos Convertible Opportunities and Income Fund (the "Fund," "we," "us," or "our") has entered into a distribution agreement dated March 1, 2022 (the "Distribution Agreement") with Foreside Fund Services

March 3, 2022 EX-FILING FEES

Filing Fee Table.

EX. FILING FEES Calculation of Filing Fee Tables Form N-2 (Form Type) Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee R

March 3, 2022 N-2 POSASR

As filed with the Securities and Exchange Commission on March 3, 2022

N-2 POSASR 1 tm227263d3posex.htm POS EX As filed with the Securities and Exchange Commission on March 3, 2022 1933 Act File No. 262969 1940 Act File No. 811-21080 U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form N-2 (Check appropriate box or boxes) x REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ¨ Pre-Effective Amendment No. x Post-Effective Amendment No. 1 and x REGIS

February 24, 2022 EX-99.T

Powers of Attorney for Virginia G. Breen, John E. Neal, William R. Rybak, Karen L. Stuckey, Christopher M. Toub.and Lloyd A. Wennlund

Exhibit 99.t POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr. and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person?s attorney-in-fact to sign and file on such person?s behalf individually and in the capacity stated below such registration statements, amendments, post-effective amendments, e

February 24, 2022 EX-99.B

By-laws, as amended and restated through August 23, 2021.

Exhibit 99.b Calamos Convertible Opportunities and Income Fund BY-LAWS (as amended and restated through August 23, 2021) Article 1 Agreement and Declaration of Trust 1.1????????????General. These By-Laws shall be subject to the Agreement and Declaration of Trust, as from time to time amended, supplemented or restated (the ?Declaration of Trust?) of Calamos Convertible Opportunities and Income Fund

February 24, 2022 EX-99.H.8

Form of Sub-Placement Agent Agreement relating to Common Shares between Foreside Fund Services, LLC and UBS Securities LLC.

Exhibit 99.h.8 SUB-PLACEMENT AGENT AGREEMENT Foreside Fund Services, LLC Three Canal Plaza, Suite 100 Portland, Maine 04101 [ ], 2022 UBS Securities LLC 1285 Avenue of the Americas New York, New York 10019 RE: At-the-Market Offerings by Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: From time to time Foreside Fund Services, LLC (the ?Distributor?, ?we? or ?us?) will act as

February 24, 2022 EX-99.A.1

Third Amended and Restated Agreement and Declaration of Trust.

Exhibit a.1 Calamos Convertible Opportunities and Income Fund THIRD AMENDED AND RESTATED Agreement and Declaration of Trust This THIRD AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST is made on August 23, 2021, by the Trustees hereunder; WHEREAS, the Trust has been formed under the Delaware Act upon the filing of the Certificate of Trust in the Office of the Secretary of State of the State

February 24, 2022 EX-99.I.5

Opinion of Morris, Nichols, Arsht & Tunnell LLP.

Exhibit 99.I.5 Morris, Nichols, Arsht & Tunnell llp 1201 North Market Street P.O. Box 1347 Wilmington, Delaware 19899-1347 (302) 658-9200 (302) 658-3989 FAX February 24, 2022 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware counsel to Calamos

February 24, 2022 EX-99.N

Consent of Auditors.

Exhibit 99.n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement on Form N-2 of our report dated December 20, 2021, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund appearing in the Annual Report on Form N-CSR of Calamos Convertible Opportunities and In

February 24, 2022 EX-99.H.7

Form of Distribution Agreement relating to Common Shares between Registrant and Foreside Fund Services, LLC (*)

Exhibit 99.h.7 Execution Version DISTRIBUTION AGREEMENT This DISTRIBUTION AGREEMENT (this ?Agreement?) made as of [ ], 2022 by and between Calamos Convertible Opportunities and Income Fund, a Delaware statutory trust (the ?Fund?), and Foreside Fund Services, LLC, a Delaware limited liability company (the ?Distributor?). WITNESSETH: WHEREAS, the Fund is registered under the Investment Company Act o

February 24, 2022 EX-FILING FEES

Filing Fee Table (*)

Exhibit 99.s EX. FILING FEES Calculation of Filing Fee Tables Form N-2 (Form Type) Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offerin

February 24, 2022 N-2ASR

As filed with the Securities and Exchange Commission on February 24, 2022

As filed with the Securities and Exchange Commission on February 24, 2022 1933 Act File No.

January 19, 2022 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated January 19, 2022 to the Fund's Statement of Additional Information dated March 1, 2021, and as supplemented June 30, 2021 and August 27, 2021

Filed pursuant to Rule 424(b)(3) Registration No. 333-229042 Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated January 19, 2022 to the Fund's Statement of Additional Information dated March 1, 2021, and as supplemented June 30, 2021 and August 27, 2021 Effective immediately, the tenth paragraph under the section titled "Investment Restrictions" on page S-28 of the Sta

January 3, 2022 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated January 1, 2022 to the Fund's Prospectus dated March 1, 2021, and as supplemented March 5, 2021, August 27, 2021, September 30, 2021 and December 20, 2021

Filed pursuant to Rule 424(b)(3) File No. 333-229042 Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated January 1, 2022 to the Fund's Prospectus dated March 1, 2021, and as supplemented March 5, 2021, August 27, 2021, September 30, 2021 and December 20, 2021 The section titled "Effects of Leverage" beginning on page 42 of the Prospectus is deleted in its entirety and r

December 20, 2021 424B3

Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated December 20, 2021 to the Fund's Prospectus dated March 1, 2021, and as supplemented March 5, 2021, August 27, 2021 and September 30, 2021

Filed pursuant to Rule 424(b)(3) File No. 333-229042 Calamos Convertible Opportunities and Income Fund (the "Fund") Supplement dated December 20, 2021 to the Fund's Prospectus dated March 1, 2021, and as supplemented March 5, 2021, August 27, 2021 and September 30, 2021 The subsection titled "Primary Investments" in the section titled "Investment Policies" on page 4 of the Prospectus is deleted in

October 15, 2021 SC 13G

CHI / Calamos Convertible Opportunities and Income Fund / THRIVENT FINANCIAL FOR LUTHERANS Passive Investment

SC 13G 1 tfl13gcalamoscoif.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Calamos Convertible Opportunities and Income Fund (Name of Issuer) Series D Mandatory Redeemable Preferred Shares (Title of Class of Securities) 1281173*7 (CUSIP Number) August 24, 2021 (Date of Event Which Requires Filing of

September 30, 2021 424B3

Calamos Convertible Opportunities and Income Fund (the “Fund”) Supplement dated September 30, 2021 to the Fund’s Prospectus dated March 1, 2021, and as supplemented March 5, 2021 and August 27, 2021

Filed pursuant to Rule 424(b)(3) File No. 333- 229042 Amendment to Prospectus Supplement (To Prospectus dated March 1, 2021) Calamos Convertible Opportunities and Income Fund (the ?Fund?) Supplement dated September 30, 2021 to the Fund?s Prospectus dated March 1, 2021, and as supplemented March 5, 2021 and August 27, 2021 All references in the Prospectus Supplement to the Distribution Agreement sh

September 28, 2021 NPORT-EX

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JULY 31, 2021 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (33.

August 27, 2021 424B3

Calamos Convertible Opportunities and Income Fund (the ?Fund?) Supplement dated August 27, 2021 to the Fund?s Prospectus dated March 1, 2021, and as supplemented March 5, 2021 and to the Fund?s Statement of Information (?SAI?) dated March 1, 2021

424B3 1 a21-256142424b3.htm 424B3 Filed pursuant to Rule 424(B)(3) Registration No. 333-229042 Calamos Convertible Opportunities and Income Fund (the “Fund”) Supplement dated August 27, 2021 to the Fund’s Prospectus dated March 1, 2021, and as supplemented March 5, 2021 and to the Fund’s Statement of Information (“SAI”) dated March 1, 2021 I. Recent Developments —Mandatory Redeemable Preferred Sha

August 26, 2021 EX-3.2

Amended and Restated Bylaws of Calamos Convertible Opportunities and Income Fund dated August 23, 2021.

Exhibit 3.2 Calamos Convertible Opportunities and Income Fund BY-LAWS (as amended and restated through August 23, 2021) Article 1 Agreement and Declaration of Trust 1.1 General. These By-Laws shall be subject to the Agreement and Declaration of Trust, as from time to time amended, supplemented or restated (the ?Declaration of Trust?) of Calamos Convertible Opportunities and Income Fund (the ?Trust

August 26, 2021 EX-3.1

Amended and Restated Declaration of Trust of Calamos Convertible Opportunities and Income Fund dated August 23, 2021.

EX-3.1 2 tm2122382d2ex3-1.htm EXHIBIT 3.1 Exhibit 3.1 Calamos Convertible Opportunities and Income Fund THIRD AMENDED AND RESTATED Agreement and Declaration of Trust This THIRD AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST is made on August 23, 2021, by the Trustees hereunder; WHEREAS, the Trust has been formed under the Delaware Act upon the filing of the Certificate of Trust in the Off

August 26, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) August 23, 2021 Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction of Incorporation) 811-21080 03-0426532 (Commission File Number) (IRS Employer Identification No.

May 12, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A 1 tm2115578d1def14a.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (a

March 31, 2021 NPORT-EX

See accompanying Notes to Schedule of Investments

Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JANUARY 31, 2021 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (33.

March 5, 2021 424B5

Calamos Convertible Opportunities and Income Fund Up to 9,000,000 Common Shares

Filed pursuant to Rule 424(b)(5) File No. 333-229042 Prospectus Supplement (To Prospectus dated March 1, 2021) Calamos Convertible Opportunities and Income Fund Up to 9,000,000 Common Shares Calamos Convertible Opportunities and Income Fund (the "Fund," "we," "us," or "our") has entered into a distribution agreement dated March 8, 2019 (the "Distribution Agreement") with Foreside Fund Services, LL

February 19, 2021 EX-99.A1

Second Amended and Restated Agreement and Declaration of Trust. (*)

Exhibit 99.a.1 Calamos convertible opportunities and income fund Second AMENDED AND RESTATED Agreement and Declaration of Trust This SECOND AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST is made on January 12, 2021, by the Trustees hereunder; WHEREAS, the Trust has been formed under the Delaware Act upon the filing of the Certificate of Trust in the Office of the Secretary of State of the

February 19, 2021 EX-99.B

By-laws, as amended and restated through January 12, 2021. (*)

Exhibit 99.b Calamos Convertible Opportunities and Income Fund BY-LAWS (as amended and restated through January 12, 2021) Article 1 Agreement and Declaration of Trust 1.1 General. These By-Laws shall be subject to the Agreement and Declaration of Trust, as from time to time amended, supplemented or restated (the ?Declaration of Trust?) of Calamos Convertible Opportunities and Income Fund (the ?Tru

February 19, 2021 EX-99.R1

Code of Ethics.

Exhibit 99.r.1 Table of Contents Page UNDERSTANDING AND APPLYING THE CODE 3 1. Understanding the Terms 3 2. Purpose of the Code of Ethics and Insider Trading Policy 8 3. Scope 8 4. Reporting Violations of the Code 9 CONSEQUENCES OF FAILURE TO COMPLY WITH THE CODE 9 RESTRICTIONS ON THE USE AND DISCLOSURE OF CONFIDENTIAL INFORMATION BY CALAMOS PERSONNEL 9 1. Insider Trading and Tipping 9 2. General

February 19, 2021 EX-99.N

Consent of Auditors. (*)

EX-99.N 4 tm215399d1ex99-n.htm EXHIBIT N Exhibit 99.n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Post-Effective Amendment to Registration Statement No. 333-229042 on Form N-2 of our report dated December 18, 2020, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund appe

February 19, 2021 486BPOS

- 486BPOS

As filed with the Securities and Exchange Commission on February 19, 2021 1933 Act File No.

January 12, 2021 8-K

Current Report

8-K 1 a21-219528k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) January 12, 2021 Calamos Convertible Opportunities and Income Fund (Exact Name of Registrant as Specified in Its Charter) Delaware (State or Other Jurisdiction

January 12, 2021 EX-3.2

Amended and Restated Bylaws of Calamos Convertible Opportunities and Income Fund dated January 12, 2021.

EX-3.2 3 a21-21952ex3d2.htm EX-3.2 Exhibit 3.2 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND BY-LAWS (as amended and restated through January 12, 2021) ARTICLE 1 Agreement and Declaration of Trust 1.1 General. These By-Laws shall be subject to the Agreement and Declaration of Trust, as from time to time amended, supplemented or restated (the “Declaration of Trust”) of Calamos Convertible Oppor

January 12, 2021 EX-3.1

Amended and Restated Declaration of Trust of Calamos Convertible Opportunities and Income Fund dated January 12, 2021.

Exhibit 3.1 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND SECOND AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST This SECOND AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST is made on January 12, 2021, by the Trustees hereunder; WHEREAS, the Trust has been formed under the Delaware Act upon the filing of the Certificate of Trust in the Office of the Secretary of State of the St

September 29, 2020 NPORT-EX

See accompanying Notes to Schedule of Investments

HTML Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JULY 31, 2020 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (39.

May 14, 2020 DEF 14A

- DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 31, 2020 NPORT-EX

NUMBER OF

Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JANUARY 31, 2020 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (46.

February 21, 2020 EX-99.S.4

Power of Attorney for Karen L. Stuckey and Christopher M. Toub

EX-99.S.4 4 d761782dex99s4.htm POWER OF ATTORNEY FOR KAREN L. STUCKEY AND CHRISTOPHER M. TOUB Exhibit s.4 POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr. and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the

February 21, 2020 EX-99.R.1

Table of Contents Page UNDERSTANDING AND APPLYING THE CODE 3 1. Understanding the Terms 3 2. Purpose of the Code of Ethics and Insider Trading Policy 7 3. Scope 8 4. Reporting Violations of the Code 8 CONSEQUENCES OF FAILURE TO COMPLY WITH THE CODE 9

EX-99.R.1 3 d761782dex99r1.htm CODE OF ETHICS Exhibit r.1 Code of Ethics and Insider Trading Policy Table of Contents Page UNDERSTANDING AND APPLYING THE CODE 3 1. Understanding the Terms 3 2. Purpose of the Code of Ethics and Insider Trading Policy 7 3. Scope 8 4. Reporting Violations of the Code 8 CONSEQUENCES OF FAILURE TO COMPLY WITH THE CODE 9 RESTRICTIONS ON THE USE AND DISCLOSURE OF CONFIDE

February 21, 2020 486BPOS

As filed with the Securities and Exchange Commission on February 21, 2020

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND As filed with the Securities and Exchange Commission on February 21, 2020 1933 Act File No.

February 21, 2020 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N 2 d761782dex99n.htm CONSENT OF AUDITORS Exhibit n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 2 to Registration Statement No. 333-229042 on Form N-2 of our report dated December 18, 2019, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund appearing in the

September 27, 2019 NPORT-EX

CHI / Calamos Convertible Opportunities and Income Fund NPORT-EX - - CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND Calamos Convertible Opportunities and Income Fund SCHEDULE OF INVESTMENTS JULY 31, 2019 (UNAUDITED) PRINCIPAL AMOUNT VALUE CORPORATE BONDS (47.

May 24, 2019 DEF 14A

CHI / Calamos Convertible Opportunities and Income Fund DEF 14A - - DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 13, 2019 EX-99.H.7

Distribution Agreement relating to Common Shares dated March 8, 2019, between Registrant and Foreside Fund Services, LLC.

Exhibit h.7 DISTRIBUTION AGREEMENT This DISTRIBUTION AGREEMENT (this “Agreement”) made as of March 8, 2019 by and between Calamos Convertible Opportunities and Income Fund, a Delaware statutory trust (the “Fund”), and Foreside Fund Services, LLC, a Delaware limited liability company (the “Distributor”). WITNESSETH: WHEREAS, the Fund is registered under the Investment Company Act of 1940, as amende

March 13, 2019 EX-99.H.8

Sub-Placement Agent Agreement relating to Common Shares dated March 8, 2019, between Foreside Fund Services, LLC and UBS Securities LLC.

Exhibit h.8 SUB-PLACEMENT AGENT AGREEMENT Foreside Fund Services, LLC Three Canal Plaza, Suite 100 Portland, Maine 04101 March 8, 2019 UBS Securities LLC 1285 Avenue of the Americas New York, New York 10019 RE: At-the-Market Offerings by Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: From time to time Foreside Fund Services, LLC (the “Distributor”, “we” or “us”) will act a

March 13, 2019 POS EX

CHI / Calamos Convertible Opportunities and Income Fund CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND

Calamos Convertible Opportunities and Income Fund As filed with the Securities and Exchange Commission on March 13, 2019 1933 Act File No.

March 7, 2019 EX-99.CERT

Certification of Principal Executive Officer.

Calamos Convertible Opportunities and Income Fund N-Q EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stat

March 7, 2019 N-Q

CHI / Calamos Convertible Opportunities and Income Fund QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS (Quarterly Schedule of Portfolio Holdings)

N-Q 1 chi-nq013119.htm QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL E

February 28, 2019 CORRESP

CHI / Calamos Convertible Opportunities and Income Fund

Calamos Convertible Opportunities & Income Fund CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND 2020 Calamos Court Naperville, Illinois 60563 February 28, 2019 Securities and Exchange Commission 100 F Street N.

February 28, 2019 CORRESP

CHI / Calamos Convertible Opportunities and Income Fund

Calamos Convertible Opportunities & Income Fund ROPES & GRAY LLP 191 NORTH WACKER DRIVE 32nd FLOOR CHICAGO, ILLINOIS 60606-4302 WWW.

February 22, 2019 CORRESP

CHI / Calamos Convertible Opportunities and Income Fund

Calamos Convertible Opportunities & Income Fund CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND 2020 Calamos Court Naperville, Illinois 60563 February 22, 2019 Securities and Exchange Commission 100 F Street N.

February 22, 2019 CORRESP

CHI / Calamos Convertible Opportunities and Income Fund

Calamos Convertible Opportunities & Income Fund ROPES & GRAY LLP 191 NORTH WACKER DRIVE 32nd FLOOR CHICAGO, ILLINOIS 60606-4302 WWW.

September 7, 2018 EX-99.CERT

Certification of Principal Executive Officer.

Calamos Convertible Opportunities and Income Fund N-Q EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stat

September 7, 2018 N-Q

CHI / Calamos Convertible Opportunities and Income Fund QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville, Illinois 60563

May 11, 2018 DEF 14A

CHI / Calamos Convertible Opportunities and Income Fund DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 8, 2018 N-Q

CHI / Calamos Convertible Opportunities and Income Fund QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville, Illinois 60563

March 8, 2018 EX-99.CERT

Certification of Principal Executive Officer.

Calamos Convertible Opportunities and Income Fund N-Q EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stat

September 1, 2017 EX-99.CERT

Certification of Principal Executive Officer.

EX-99.CERT Calamos Convertible Opportunities and Income Fund - N-Q EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to

September 1, 2017 N-Q

Calamos Convertible Opportunities & Income Fund - QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

May 4, 2017 DEF 14A

Calamos Convertible Opportunities and Income Fund DEF 14A

DEF 14A 1 d358184ddef14a.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as p

March 3, 2017 N-Q

Calamos Convertible Opportunities & Income Fund - QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

March 3, 2017 EX-99.CERT

Certification of Principal Financial Officer.

EX-99.CERT Calamos Convertible Opportunities and Income Fund - N-Q EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to

February 28, 2017 486BPOS

As filed with the Securities and Exchange Commission on February 28, 2017

486BPOS 1 d325475d486bpos.htm 486BPOS As filed with the Securities and Exchange Commission on February 28, 2017 1933 Act File No. 333-196373 1940 Act File No. 811-21080 U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form N-2 (Check appropriate box or boxes) ☑ REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☐ Pre-Effective Amendment No. ☑ Post-Effective Amendment No. 4 and ☑

February 28, 2017 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 4 to Registration Statement No. 333-196373 on Form N-2 of our report dated December 15, 2016, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information, and to the r

October 27, 2016 CORRESP

Calamos Advisors LLC

Calamos Advisors LLC J. Christopher Jackson Calamos Advisors LLC 2020 Calamos Court Naperville, IL 60563-2787 (630) 245-8394 October 27, 2016 VIA EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, DC 20549 Attn: Megan Miller Re: Calamos Investment Trust (“Investment Trust”) (File No. 811-05443); Calamos Advisors Trust (“Advisors Trust”) (File

September 15, 2016 N-Q

Calamos Convertible Opportunities and Income Fund N-Q (Quarterly Schedule of Portfolio Holdings)

N-Q 1 d233221dnq.htm N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, N

September 15, 2016 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

May 10, 2016 DEF 14A

Calamos Convertible Opportunities and Income Fund DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 22, 2016 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

March 22, 2016 N-Q

Calamos Convertible Opportunities and Income Fund N-Q (Quarterly Schedule of Portfolio Holdings)

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

February 26, 2016 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N Exhibit (n) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 3 to Registration Statement No. 333-196373 on Form N-2 of our report dated December 16, 2015, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information,

February 26, 2016 EX-99.K.1.II

Amendment, dated December 30, 2011, to Stock Transfer Agency Agreement.

Exhibit (k)(1)(ii) STOCK TRANSFER FEE SCHEDULE CALAMOS CLOSED-END FUNDS This schedule here by amends and modifies the Stock Transfer Agency Agreement, dated June 15, 2007 by and between Calamos Advisors LLC and the Bank of New York such contract having been assigned to Computershare Shareowner Services LLC (formerly known as Mellon Investor Services LLC) as of December 30, 2011.

February 26, 2016 EX-99.B

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND (as amended and restated through September 22, 2015) ARTICLE 1 Agreement and Declaration of Trust

EX-99.B 2 d112228dex99b.htm EX-99.B Exhibit (b) CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND BY-LAWS (as amended and restated through September 22, 2015) ARTICLE 1 Agreement and Declaration of Trust 1.1 General. These By-Laws shall be subject to the Agreement and Declaration of Trust, as from time to time amended, supplemented or restated (the “Declaration of Trust”) of Calamos Convertible Op

February 26, 2016 486BPOS

As filed with the Securities and Exchange Commission on February 26, 2016

486BPOS Table of Contents As filed with the Securities and Exchange Commission on February 26, 2016 1933 Act File No.

February 26, 2016 EX-99.S2

Power of Attorney for Virginia G. Breen.

Exhibit (s)(2) POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

September 21, 2015 N-Q

Calamos Convertible Opportunities and Income Fund N-Q (Quarterly Schedule of Portfolio Holdings)

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

September 21, 2015 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT 2 d32325dex99cert.htm EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light

June 4, 2015 DEF 14A

Calamos Convertible Opportunities and Income Fund DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 23, 2015 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

March 23, 2015 N-Q

Calamos Convertible Opportunities and Income Fund N-Q (Quarterly Schedule of Portfolio Holdings)

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

February 27, 2015 486BPOS

CHI / Calamos Convertible Opportunities and Income Fund 486BPOS - - 486BPOS

486BPOS Table of Contents As filed with the Securities and Exchange Commission on February 27, 2015 1933 Act File No.

February 27, 2015 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 2 to Registration Statement No. 333-196373 on Form N-2 of our report dated December 17, 2014, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information, and to the r

February 27, 2015 EX-99.R.1

CALAMOS ASSET MANAGEMENT, INC. CALAMOS ADVISORS LLC CALAMOS FINANCIAL SERVICES LLC CALAMOS WEALTH MANAGEMENT LLC CALAMOS INVESTMENT TRUST CALAMOS ADVISORS TRUST CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND CALAMOS CONVERTIBLE AND HIGH INCOME FUN

EX-99.r.1 CALAMOS ASSET MANAGEMENT, INC. CALAMOS ADVISORS LLC CALAMOS FINANCIAL SERVICES LLC CALAMOS WEALTH MANAGEMENT LLC CALAMOS INVESTMENT TRUST CALAMOS ADVISORS TRUST CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND CALAMOS CONVERTIBLE AND HIGH INCOME FUND CALAMOS STRATEGIC TOTAL RETURN FUND CALAMOS GLOBAL TOTAL RETURN FUND CALAMOS GLOBAL DYNAMIC INCOME FUND CALAMOS DYNAMIC CONVERTIBLE AND IN

February 27, 2015 EX-99.S

Powers of Attorney for John E. Neal and William R. Rybak

EX-99.S POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt, James J. Boyne and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments,

December 30, 2014 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Trustees of Calamos Convertible Opportunities and Income Fund In planning and performing our audit of the financial statements of Calamos Convertible Opportunities and Income Fund (the “Fund”) as of and for the year ended October 31, 2014 in accordance with the standards of the Public Company Accounting Oversi

December 2, 2014 EX-99.H.6

Sales Agreement relating to Common Shares dated December 2, 2014, among Registrant, Calamos Advisors LLC and JonesTrading Institutional Services LLC.

EX-99.H.6 2 d720300dex99h6.htm EX-99.H.6 Exhibit h.6 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 7,500,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND™ SALES AGREEMENT December 2, 2014 JONESTRADING INSTITUTIONAL SERVICES LLC 780 Third Avenue, 3rd Floor New York, NY 10017 Ladies and Gentlemen: CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, a Delaware statutory trust (the

December 2, 2014 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N Exhibit n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 1 to Registration Statement No. 333-196373 on Form N-2 of our report dated December 16, 2013, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information, an

December 2, 2014 EX-99.L.1

Opinion of K&L Gates LLP regarding Common Shares.

K&L GATES LLP 1601 K STREET, N.W. WASHINGTON, DC 20006-1600 T 202.778.9000 F 202.778.9100 klgates.com December 2, 2014 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Ladies and Gentlemen: We have acted as your counsel in connection with the Registration Statement on Form N-2 (File Nos. 333-196373; 811-21080), as amended by pre-effective amendment no

December 2, 2014 POS EX

CHI / Calamos Convertible Opportunities and Income Fund POS EX - - POS EX

POS EX As filed with the Securities and Exchange Commission on December 2, 2014 1933 Act File No.

December 2, 2014 EX-99.S

POWER OF ATTORNEY

EX-99.S POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt, James J. Boyne and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments,

December 2, 2014 EX-99.L.2

Opinion of Morris, Nichols, Arsht & Tunnell LLP regarding Common Shares

EX-99.L.2 Exhibit l.2 [Letterhead of Morris, Nichols, Arsht & Tunnell LLP] December 2, 2014 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 K&L Gates LLP 70 W. Madison Street Suite 3100 Chicago, Illinois 60602 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware counsel to Calamos Convertible O

September 18, 2014 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

September 18, 2014 N-Q

Calamos Convertible Opportunities & Income Fund - N-Q

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

May 23, 2014 DEF 14A

- DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 24, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60563-

March 24, 2014 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

February 28, 2014 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 4 to Registration Statement No. 333-173767 on Form N-2 of our report dated December 16, 2013, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information, and to the r

February 28, 2014 EX-99.S

POWER OF ATTORNEY

EX-99.S 3 d654688dex99s.htm EX-99.S POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt, James J. Boyne and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registrat

February 28, 2014 486BPOS

- 486BPOS

As filed with the Securities and Exchange Commission on February 27, 2014 1933 Act File No.

December 26, 2013 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Trustees of Calamos Convertible Opportunities and Income Fund In planning and performing our audit of the financial statements of Calamos Convertible Opportunities and Income Fund (the “Fund”) as of and for the year ended October 31, 2013, in accordance with the standards of the Public Company Accounting Overs

September 18, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

September 18, 2013 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

May 22, 2013 DEF 14A

- DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 25, 2013 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

March 25, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

February 19, 2013 EX-99.H.7

FIRST AMENDMENT TO SALES AGREEMENT

EX-99.H.7 FIRST AMENDMENT TO SALES AGREEMENT This FIRST AMENDMENT TO SALES AGREEMENT (the “Amendment”) is made and entered into with effect this 2nd day of July, 2012, by Calamos Convertible Opportunities and Income Fund, a Delaware statutory trust (the “Fund”), Calamos Advisors LLC, a Delaware limited liability company (the “Adviser”) and JonesTrading Institutional Services LLC (“Jones”). Capital

February 19, 2013 486BPOS

- 486BPOS

486BPOS As filed with the Securities and Exchange Commission on February 15, 2013 1933 Act File No.

February 19, 2013 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N 3 d460588dex99n.htm EX-99.N CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 3 to Registration Statement No. 333-173767 on Form N-2 of our report dated December 14, 2012, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Addition

February 19, 2013 EX-99.S

POWER OF ATTORNEY

EX-99.S POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt, James J. Boyne and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments,

September 18, 2012 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT 2 d382673dex99cert.htm EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in ligh

September 18, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60563-

June 28, 2012 8-A12B

description of Common Shares on Form 8-A, filed on June 28, 2012

Form 8-A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND (Exact Name of Registrant as Specified in Its Charter) Delaware 03-0426532 (State of Incorporation or Organization) (I.R.S. Employer Ide

June 28, 2012 25

- FORM 25

Form 25 OMB APPROVAL OMB Number: 3235-0080 Expires: December 31, 2014 Estimated average burden hours per response.

May 22, 2012 DEF 14A

- DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 22, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - N-Q

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

March 22, 2012 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT 2 d308997dex99cert.htm EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in ligh

February 22, 2012 EX-99.S

POWER OF ATTORNEY

EX-99.S 3 d275700dex99s.htm EX-99.S POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt, James J. Boyne and J. Christopher Jackson and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registrat

February 22, 2012 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No. 2 to Registration Statement No. 333-173767 on Form N-2 of our report dated December 16, 2011, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information, and to the r

February 22, 2012 486BPOS

- 486BPOS

As filed with the Securities and Exchange Commission on February 21, 2012 1933 Act File No.

September 19, 2011 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

September 19, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

June 6, 2011 EX-99.L.1

K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 June 6, 2011

exv99wlw1 Exhibit (L)(1) K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 June 6, 2011 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Ladies and Gentlemen: We have acted as your counsel in connection with the Registration Statement on Form N-2 (File No.

June 6, 2011 POS EX

As filed with the Securities and Exchange Commission on June 6, 2011

As filed with the Securities and Exchange Commission on June 6, 2011 1933 Act File No.

June 6, 2011 EX-99.S

POWER OF ATTORNEY

POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

June 6, 2011 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.N 6 c64170exexv99wn.htm EX-99.N Exhibit (n) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Registration Statement No. 333-173767 on Form N-2 of our report dated December 17, 2010, relating to the financial statements and financial highlights of Calamos Convertible Opportunities and Income Fund, appearing in the Statement of Additional Information, and

June 6, 2011 EX-99.L.3

June 6, 2011

exv99wlw3 Exhibit (L)(3) June 6, 2011 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 K&L Gates LLP 70 W.

June 6, 2011 EX-99.H.6

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 7,500,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND? SALES AGREEMENT

exv99whw6 Exhibit (h)(6) CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 7,500,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND™ SALES AGREEMENT June 6, 2011 JONESTRADING INSTITUTIONAL SERVICES LLC 780 Third Avenue, 3rd Floor New York, NY 10017 Ladies and Gentlemen: CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, a Delaware statutory trust (the “Fund”), CALAMOS ADVISORS LLC, a Delaware limited liability company (the “Adviser”) confirm their agreement (this “Agreement”) with JonesTrading Institutional Services LLC (“Jones”), as follows: 1.

June 6, 2011 EX-99.L.2

[Letterhead of Morris, Nichols, Arsht & Tunnell LLP] June 6, 2011

Exhibit (L)(2) [Letterhead of Morris, Nichols, Arsht & Tunnell LLP] June 6, 2011 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware counsel to Calamos Convertible Opportunities and Income Fund, a Delaware statutory trust (the ?Trust?), in connec

May 25, 2011 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Defin

March 25, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

March 25, 2011 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

February 28, 2011 EX-99.L.1

K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 February 28, 2011

exv99wlw1 Exhibit l.1 K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 February 28, 2011 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Ladies and Gentlemen: We have acted as your counsel in connection with the Registration Statement on Form N-2 (File No. 333-146945), as amended by post-effective amendment no. 7

February 28, 2011 EX-99.S

POWER OF ATTORNEY

POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

February 28, 2011 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

exv99wn Exhibit n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No.

February 28, 2011 EX-99.L.2

[Letterhead of Morris, Nichols, Arsht & Tunnell LLP] February 28, 2011

exv99wlw2 Exhibit l.2 [Letterhead of Morris, Nichols, Arsht & Tunnell LLP] February 28, 2011 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 K&L Gates LLP 70 W. Madison Street Suite 3100 Chicago, Illinois 60602 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware counsel to Calamos Convertible

February 28, 2011 486BPOS

As filed with the Securities and Exchange Commission on February 28, 2011

e486bpos As filed with the Securities and Exchange Commission on February 28, 2011 1933 Act File No.

September 21, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

September 21, 2010 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

July 29, 2010 EX-99.L.2

K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 July 29, 2010

EX-99.L.2 3 c59072exexv99wlw2.htm EX-99.L.2 Exhibit L.2 K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 July 29, 2010 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Ladies and Gentlemen: We have acted as your counsel in connection with the Registration Statement on Form N-2 (File No. 333-146945), as amended by p

July 29, 2010 EX-99.S

POWER OF ATTORNEY

EX-99.S 6 c59072exexv99ws.htm EX-99.S POWER OF ATTORNEY The person whose signature appears below hereby appoints John P. Calamos, Sr., Patrick H. Dudasik and Nimish S. Bhatt and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, am

July 29, 2010 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Post-Effective Amendment No.

July 29, 2010 EX-99.H.6

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 6,000,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND? SECOND AMENDED AND RESTATED SALES AGREEMENT

exv99whw6 Exhibit h.6 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 6,000,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND™ SECOND AMENDED AND RESTATED SALES AGREEMENT July 29, 2010 JONESTRADING INSTITUTIONAL SERVICES LLC 780 Third Avenue, 3rd Floor New York, NY 10017 Ladies and Gentlemen: CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, a Delaware statutory trust (the “Fund”

July 29, 2010 POS EX

As filed with the Securities and Exchange Commission on July 29, 2010

As filed with the Securities and Exchange Commission on July 29, 2010 1933 Act File No.

July 29, 2010 EX-99.L.3

[Letterhead of Morris, Nichols, Arsht & Tunnell LLP] July 29, 2010

EX-99.L.3 4 c59072exexv99wlw3.htm EX-99.L.3 Exhibit L.3 [Letterhead of Morris, Nichols, Arsht & Tunnell LLP] July 29, 2010 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 K&L Gates LLP 70 W. Madison Street Suite 3100 Chicago, Illinois 60602 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware c

May 10, 2010 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

def14a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 23, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

March 23, 2010 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

March 9, 2010 EX-99.S

POWER OF ATTORNEY

exv99ws POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

March 9, 2010 POS EX

As filed with the Securities and Exchange Commission on March 9, 2010

As filed with the Securities and Exchange Commission on March 9, 2010 1933 Act File No.

March 9, 2010 EX-99.J.1

Custody Agreement.

EX-99.J.1 2 c55756exexv99wjw1.htm EX-99.J.1 Exhibit J1 Execution Copy Master Custodian Agreement This Agreement is made as of September 11, 2009 by and among each management investment company identified on Appendix A hereto (each such investment company and each management investment company made subject to this Agreement in accordance with Section 19.5 below, shall hereinafter be referred to as

March 9, 2010 EX-99.N

/s/ DELOITTE & TOUCHE LLP Chicago, Illinois March 9, 2010

exv99wn Exhibit n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Post-Effective Amendment No.

March 9, 2010 EX-99.R.1

CALAMOS ASSET MANAGEMENT, INC. CALAMOS ADVISORS LLC CALAMOS FINANCIAL SERVICES LLC CALAMOS PARTNERS LLC CALAMOS WEALTH MANAGEMENT LLC CALAMOS INVESTMENT TRUST CALAMOS ADVISORS TRUST CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND CALAMOS CONVERTIBL

EX-99.R.1 4 c55756exexv99wrw1.htm EX-99.R.1 Exhibit R1 CALAMOS ASSET MANAGEMENT, INC. CALAMOS ADVISORS LLC CALAMOS FINANCIAL SERVICES LLC CALAMOS PARTNERS LLC CALAMOS WEALTH MANAGEMENT LLC CALAMOS INVESTMENT TRUST CALAMOS ADVISORS TRUST CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND CALAMOS CONVERTIBLE AND HIGH INCOME FUND CALAMOS STRATEGIC TOTAL RETURN FUND CALAMOS GLOBAL TOTAL RETURN FUND CAL

February 24, 2010 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

exv99wn CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No.

February 24, 2010 POS 8C

As filed with the Securities and Exchange Commission on February 24, 2010

As filed with the Securities and Exchange Commission on February 24, 2010 1933 Act File No.

February 24, 2010 COVER

K&L Gates llp 70 West Madison Street Suite 3100 Chicago, IL 60602-4207 t312.372.1121 www.klgates.com

cover K&L Gates llp 70 West Madison Street Suite 3100 Chicago, IL 60602-4207 t312.

February 24, 2010 EX-99.S

POWER OF ATTORNEY

POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

February 5, 2010 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Calamos Convertible Opportunities and Income Fund (Name of Issuer) Auction Preferred Stock (Title of Cla

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Calamos Convertible Opportunities and Income Fund (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 128117207 128117306 128117405 128117504 128117603 128117702 128117801 (CUSIP Number) December 31, 2009 (Date of Event Which Requires

September 25, 2009 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

September 25, 2009 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

May 18, 2009 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 14, 2009 EX-99.H.6

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 6,600,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND? AMENDED AND RESTATED SALES AGREEMENT

exv99whw6 Exhibit h.6 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 6,600,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND™ AMENDED AND RESTATED SALES AGREEMENT April 13, 2009 JONESTRADING INSTITUTIONAL SERVICES LLC 780 Third Avenue, 3rd Floor New York, NY 10017 Ladies and Gentlemen: CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, a Delaware statutory trust (the “Fund”), CAL

April 14, 2009 EX-99.N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

exv99wn Exhibit (n) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Post-Effective Amendment No.

April 14, 2009 EX-99.L.3

[Letterhead of Morris, Nichols, Arsht & Tunnell LLP] April 13, 2009

EX-99.L.3 4 c48747exexv99wlw3.htm EX-99.L.3 [Letterhead of Morris, Nichols, Arsht & Tunnell LLP] April 13, 2009 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 K&L Gates LLP 70 W. Madison Street Suite 3100 Chicago, Illinois 60602 Re: Calamos Convertible Opportunities and Income Fund Ladies and Gentlemen: We have acted as special Delaware counsel to C

April 14, 2009 POS EX

As filed with the Securities and Exchange Commission on April 13, 2009

posex As filed with the Securities and Exchange Commission on April 13, 2009 1933 Act File No.

April 14, 2009 EX-99.L.2

K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 April 13, 2009

exv99wlw2 Exhibit l.2 K&L Gates LLP 70 West Madison Street, Suite 3100 Chicago, Illinois 60602 312-372-1121 April 13, 2009 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Ladies and Gentlemen: We have acted as your counsel in connection with the Registration Statement on Form N-2 (File No. 333-146945), as amended by post-effective amendment no. 3 (th

April 14, 2009 EX-99.S

POWER OF ATTORNEY

exv99ws POWER OF ATTORNEY The person whose signature appears below hereby appoints John P.

April 13, 2009 CORRESP

Calamos Convertible Opportunities and Income Fund 333-146945 811-21080

corresp April 13, 2009 Eric S. Purple D 202.955.7081 F 202.835.4152 [email protected] Mr. Larry Greene Division of Investment Management Securities and Exchange Commission 100 F Street, N.E., Room 4700 Washington, D.C. 20549 Calamos Convertible Opportunities and Income Fund 333-146945 811-21080 Dear Mr. Greene: This letter is a follow-up to our earlier letter to you dated March 24, 2009 (the

March 24, 2009 CORRESP

March 24, 2009 Eric S. Purple D 202.955.7081 F 202.835.4152 [email protected]

corresp March 24, 2009 Eric S. Purple D 202.955.7081 F 202.835.4152 [email protected] Mr. Larry Greene and Mr. Kevin Rupert Division of Investment Management Securities and Exchange Commission 100 F Street, N.E., Room 4700 Washington, D.C. 20549 Calamos Convertible Opportunities and Income Fund 333-146945 811-21080 Dear Mr. Greene and Mr. Rupert: This letter responds to the comments you verb

March 20, 2009 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

EX-99.CERT CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

March 20, 2009 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

N-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

February 10, 2009 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Calamos Convertible Opportunities and Income Fund (Name of Issuer) Auction Preferred Stock (Title of Clas

Filed by Bowne Pure Compliance OMB APPROVAL OMB Number: 3235-0145 Expires: February 28, 2009 Estimated average burden hours per response.

February 6, 2009 CORRESP

70 West Madison Street, Suite 3100 Chicago, Illinois 60602-4207 312.372.1121 Ÿ Fax 312.827.8000

corresp 70 West Madison Street, Suite 3100 Chicago, Illinois 60602-4207 312.372.1121 Ÿ Fax 312.827.8000 Eric S. Purple 202.955.7081 [email protected] Direct Fax: 202.835.4152 BY EDGAR February 6, 2009 Division of Investment Management Securities and Exchange Commission 450 5th Street, N.W. Washington, D.C. 20549-0505 Attn: Mr. Richard Pfordte Re: Calamos Convertible Opportunities and Income Fun

February 5, 2009 COVER

70 West Madison Street, Suite 3100 Chicago, Illinois 60602-4207 312.372.1121 Ÿ Fax 312.827.8000

cover 70 West Madison Street, Suite 3100 Chicago, Illinois 60602-4207 312.372.1121 Ÿ Fax 312.827.8000 DAVID P. GLATZ 312.807.4295 [email protected] Direct Fax: 312.827.8065 BY EDGAR February 5, 2009 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Calamos Convertible Opportunities and Income Fund 333-146945 811-21080 Ladies and Gentlemen: On behalf of Calamos Convertibl

February 5, 2009 POS 8C

As filed with the Securities and Exchange Commission on February 5, 2009

Table of Contents As filed with the Securities and Exchange Commission on February 5, 2009 1933 Act File No.

February 5, 2009 EX-99.2(N)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

exv99w2xny Exhibit (n) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Post-Effective Amendment No.

September 25, 2008 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

September 25, 2008 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

June 13, 2008 POS EX

As filed with the Securities and Exchange Commission on June 13, 2008

As filed with the Securities and Exchange Commission on June 13, 2008 1933 Act File No.

June 13, 2008 EX-99.2H.6

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 5,000,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND™ SALES AGREEMENT

EX-99.2H.6 2 c19270exexv99w2hw6.htm SALES AGREEMENT Exhibit h.6 CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND UP TO 5,000,000 COMMON SHARES OF BENEFICIAL INTEREST CAPITAL ON DEMAND™ SALES AGREEMENT June 13, 2008 JONESTRADING INSTITUTIONAL SERVICES LLC. 780 Third Avenue, 3rd Floor New York, NY 10017 Ladies and Gentlemen: CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, a Delaware statutory tr

June 13, 2008 EX-99.2L.2

[Bell, Boyd & Lloyd LLP Letterhead] June 13, 2008

exv99w2lw2 Exhibit l.2 [Bell, Boyd & Lloyd LLP Letterhead] June 13, 2008 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Ladies and Gentlemen: Calamos Convertible Opportunities and Income Fund We have acted as counsel for Calamos Convertible Opportunities and Income Fund (the “Fund”) in connection with the registration under the Securities Act of 193

June 13, 2008 EX-99.2N

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

exv99w2n Exhibit n CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Post-Effective Amendment No.

June 13, 2008 EX-99.2L.3

[Letterhead of Morris, Nichols, Arsht & Tunnell LLP] June 13, 2008

EX-99.2L.3 4 c19270exexv99w2lw3.htm OPINION OF MORRIS, NICHOLS, ARSHT & TUNNELL Exhibit l.3 [Letterhead of Morris, Nichols, Arsht & Tunnell LLP] June 13, 2008 Calamos Convertible Opportunities and Income Fund 2020 Calamos Court Naperville, Illinois 60563 Bell, Boyd & Lloyd LLP 70 W. Madison Street Suite 3100 Chicago, Illinois 60602 Re: Calamos Convertible Opportunities and Income Fund Ladies and G

May 12, 2008 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

def14a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 24, 2008 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60563

March 24, 2008 EX-99.CERT

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

EX-99.CERT 2 c24907exv99wcert.htm CERTIFICATION CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in l

March 7, 2008 CORRESP

-

corresp March 7, 2008 VIA E-MAIL AND EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, N.

March 7, 2008 CORRESP

-

corresp March 7, 2008 VIA E-MAIL AND EDGAR Securities and Exchange Commission Division of Investment Management 100 F Street, N.

February 28, 2008 CORRESP

-

DEBORAH BIELICKE EADES 312-609-7661 [email protected] VEDDER, PRICE P.C. 222 NORTH LASALLE STREET CHICAGO, ILLINOIS 60601 312-609-7500 FAX: 312-609-5005 CHICAGO • NEW YORK CITY • WASHINGTON, D.C. • ROSELAND, NJ February 28, 2008 VIA E-MAIL AND EDGAR United States Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, DC 20549 Attn: Mr. Larry L. Gre

February 22, 2008 CORRESP

-

ROBERT W. DIXON 312-609-7742 [email protected] February 22, 2008 VIA E-MAIL AND EDGAR United States Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, DC 20549 Attn: Mr. Larry L. Greene, Senior Counsel Re: Calamos Strategic Total Return Fund File Nos. 333-146943 and 811-21484 Calamos Convertible Opportunities and Income Fund File Nos. 333-14694

January 30, 2008 CORRESP

-

corresp ROBERT W. DIXON 312-609-7742 [email protected] January 30, 2008 United States Securities and Exchange Commission Division of Investment Management 100 F Street, N.E. Washington, DC 20549 Attn: Mr. Larry L. Greene, Senior Counsel Re: Calamos Strategic Total Return Fund File Nos. 333-146943; 811-21484 Calamos Convertible Opportunities and Income Fund File Nos. 333-146945; 811-21080 Cala

September 26, 2007 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

nvq UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-21080 EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER: Calamos Convertible Opportunities and Income Fund ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: 2020 Calamos Court, Naperville Illinois 60

September 26, 2007 EX-99.CERT

/s/ John P. Calamos, Sr. Principal Executive Officer

exv99wcert CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, John P. Calamos, Sr., certify that: 1. I have reviewed this report on Form N-Q of Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which

May 25, 2007 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

def14a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

December 29, 2004 EX-99.77I NEW SECUR

Sub-Item 77I

EX-99.77I NEW SECUR 4 cal77i.htm Sub-Item 77I The sections entitled “Description of AMPS” and “The Auction” in the Registrant’s prospectus relating to the Registrant’s auction market preferred shares of beneficial interest (the “Preferred Share Prospectus”) are hereby incorporated by reference. The Preferred Share Prospectus was filed electronically with the Securities and Exchange Commission purs

December 29, 2004 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

INDEPENDENT AUDITORS’ REPORT REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Trustees and Shareholders of CALAMOS Convertible Opportunities and Income Fund In planning and performing our audit of CALAMOS Convertible Opportunities and Income Fund (the “Fund”) for the year ended October 31, 2004 (on which we have issued our report dated December 21, 2004), we considered its internal control, including control activities for safeguarding securities, in order to determine our auditing procedures for the purpose of expressing our opinion on the financial statements and to comply with the requirements of Form N-SAR, and not to provide assurance on the Fund’s internal control.

December 29, 2004 EX-99.77Q2 ITEM 405

Sub-Item 77Q2

EX-99.77Q2 ITEM 405 5 cal77q2.htm Sub-Item 77Q2 Name Number of Reports Number of Transactions Known William Rybak 1 1 N Nimish Bhatt 1 1 Y

December 29, 2004 EX-99.77C VOTES

Sub-Item 77C

Converted by FileMerlin Sub-Item 77C Matter Submitted to a Vote of Security Holders of Calamos Convertible Opportunities and Income Fund.

June 29, 2004 EX-99.77I NEW SECUR

CALAMOS CONVERTIBLE OPPORTUNITES & INCOME FUND

The information with respect to the Fund’s auction market preferred shares of beneficial interest (“Preferred Shares”) called CALAMOS CONVERTIBLE OPPORTUNITES & INCOME FUND Sub-Item 77I The sections entitled “Description of AMPS” and “The Auction” in the Registrant’s prospectus relating to the Registrant’s auction market preferred shares of beneficial interest (the “Preferred Share Prospectus”) are hereby incorporated by reference.

June 29, 2004 EX-99.77I NEW SECUR

CALAMOS CONVERTIBLE OPPORTUNITES & INCOME FUND

CALAMOS CONVERTIBLE OPPORTUNITES & INCOME FUND Sub-Item 77I The sections entitled ?Description of AMPS? and ?The Auction? in the Registrant?s prospectus relating to the Registrant?s auction market preferred shares of beneficial interest (the ?Preferred Share Prospectus?) are hereby incorporated by reference.

December 30, 2003 EX-99.77D POLICIES

(D) Policies with respect to security investment

EX-99.77D POLICIES 4 calam77d.htm (D) Policies with respect to security investment During the fiscal year the Fund changed its non-fundamental investment guideline of investing, under normal circumstances, at least 50% of its managed assets in convertible securities to investing, under normal circumstances, at least 35% of its managed assets in convertible securities. INTEREST RATE TRANSACTIONS Th

December 30, 2003 EX-99.77K CHNG ACCNT

(K) Changes in Registrant’s certifying account

Converted by FileMerlin (K) Changes in Registrant’s certifying account Effective April 14, 2003, the Fund's Audit Committee of its Board of Trustees selected Deloitte & Touche LLP as the Fund's independent accountant.

December 30, 2003 EX-99.77B ACCT LTTR

INDEPENDENT AUDITORS’ REPORT

EX-99.77B ACCT LTTR 3 calam77b.htm INDEPENDENT AUDITORS’ REPORT To the Board of Trustees and Shareholders of Calamos Convertible Opportunities and Income Fund In planning and performing our audit of the financial statements of Calamos Convertible Opportunities and Income Fund (the "Fund") for the year ended October 31, 2003 (on which we have issued our report dated December 17, 2003), we considere

June 27, 2003 EX-99.77I NEW SECUR

Sub-Item 77I

The information with respect to the Fund’s auction market preferred shares of beneficial interest (“Preferred Shares”) called Sub-Item 77I The sections entitled “Description of AMPS” and “The Auction” in the Registrant’s prospectus relating to the Registrant’s auction market preferred shares of beneficial interest (the “Preferred Share Prospectus”) are hereby incorporated by reference.

December 27, 2002 EX-99.77Q3 CERT

(a) (i) The Principal Executive Officer and Principal Financial Officer of the Calamos Convertible Opportunities and income Fund (the “Fund”) have evaluated the disclosure controls and procedures (as defined in Rule 30a—2(c)) of the Fund within 90 da

(a) (i) The Principal Executive Officer and Principal Financial Officer of the Calamos Convertible Opportunities and income Fund (the ?Fund?) have evaluated the disclosure controls and procedures (as defined in Rule 30a?2(c)) of the Fund within 90 days of the filing date of this Form N-SAR (the ?Effective Date?) and they believe that the disclosure controls and procedures are effective.

December 27, 2002 EX-99.77B ACCT LTTR

Report of Independent Auditors

EX-99.77B ACCT LTTR 3 cal77b.htm Report of Independent Auditors To The Board of Trustees and Shareholders Calamos Convertible Opportunities and Income Fund In planning and performing our audit of the financial statements of the Calamos Convertible Opportunities and Income Fund for the period from June 28, 2002 (commencement of operations) through October 31, 2002, we considered its internal contro

December 27, 2002 EX-99.77Q3 CERT

(a) (iii) CERTIFICATIONS

EX-99.77Q3 CERT 5 ca277q3.htm (a) (iii) CERTIFICATIONS I, John P. Calamos Sr., certify that: 1. I have reviewed this report on Form N-SAR of the Calamos Convertible Opportunities and Income Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under w

Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista