CHI Calamos Convertible Opportunities and Income Fund

DECLARATIONS

NOTICE

This policy is issued by your risk retention group. Your risk retention group may not be subject to all of the insurance laws and regulations of your state. State insurance insolvency guaranty funds are not available for your risk retention group.

INVESTMENT COMPANY BLANKET BOND

NOTICE

This policy is issued by your risk retention group. Your risk retention group may not be subject to all of the insurance laws and regulations of your state. State insurance insolvency guaranty funds are not available for your risk retention group.

ICI Mutual Insurance Company, a Risk Retention Group (the “Underwriter”), in consideration of an agreed premium, and in reliance upon the Application and all other information furnished to the Underwriter by the Insured, and subject to and in accordance with the Declarations, General Agreements, Provisions, Conditions and Limitations and other terms of this bond (including all riders hereto) (“Bond”), to the extent of the Limit of Liability and subject to the Deductible Amount, agrees to indemnify the Insured for the loss, as described in the Insuring Agreements, sustained by the Insured at any time but discovered during the Bond Period.

INSURING AGREEMENTS

Loss resulting directly from any Dishonest or Fraudulent Act committed by an Employee, committed anywhere and whether committed alone or in collusion with other persons (whether or not Employees), during the time such Employee has the status of an Employee as defined herein, and even if such loss is not discovered until after he or she ceases to be an Employee; and EXCLUDING loss covered under Insuring Agreement B.

Expense incurred by the Insured for that part of the costs of audits or examinations required by any governmental regulatory authority or Self-Regulatory Organization to be conducted by such authority or Organization or by an independent accountant or other person, by reason of the discovery of loss sustained by the Insured and covered by this Bond.

Loss of Property resulting directly from any Mysterious Disappearance, or any Dishonest or Fraudulent Act committed by a person physically present in an office or on the premises of the Insured at the time the Property is surrendered, while the Property is (or reasonably supposed or believed by the Insured to be) lodged or deposited within the Insured’s offices or premises located anywhere, except those offices excluded by Rider; and EXCLUDING loss covered under Insuring Agreement A.

Loss of Property resulting directly from any Mysterious Disappearance or Dishonest or Fraudulent Act while the Property is physically (not electronically) in transit anywhere in the custody of any person authorized by an Insured to act as a messenger, except while in the mail or with a carrier for hire (other than a Security Company); and EXCLUDING loss covered under Insuring Agreement A. Property is “in transit” beginning immediately upon receipt of such Property by the transporting person and ending immediately upon delivery to the designated recipient or its agent, but only while the Property is being conveyed.

Loss resulting directly from the Insured having, in good faith, paid or transferred any Property in reliance upon any Written, Original:

which bear (a) a Forgery, or (b) an Alteration, but only to the extent that the Forgery or Alteration directly causes the loss.

Actual physical possession by the Insured or its authorized representative of the items listed in (1) through (3) above is a condition precedent to the Insured having relied upon the items.

This Insuring Agreement E does not cover loss caused by Forgery or Alteration of Securities or loss covered under Insuring Agreement A.

Loss resulting directly from the Insured, in good faith, in the ordinary course of business, and in any capacity whatsoever, whether for its own account or for the account of others, having acquired, accepted or received, or sold or delivered, or given any value, extended any credit or assumed any liability in reliance on any Written, Original Securities, where such loss results from the fact that such Securities prove to:

and notwithstanding whether or not the act of the Insured causing such loss violated the constitution, by-laws, rules, or regulations of any Self-Regulatory Organization, whether or not the Insured was a member thereof.

This Insuring Agreement F does not cover loss covered under Insuring Agreement A.

Actual physical possession by the Insured or its authorized representative of the Securities is a condition precedent to the Insured having relied upon the Securities.

Loss resulting directly from the receipt by the Insured, in good faith of any Counterfeit Currency.

This Insuring Agreement G does not cover loss covered under Insuring Agreement A.

Loss resulting directly from the payment of dividends, issuance of Fund shares or redemptions or exchanges permitted from an account with the Fund as a consequence of

PROVIDED, that (a) Items of Deposit shall not be deemed uncollectible until the Insured’s collection procedures have failed, (b) exchanges of shares between Funds with exchange privileges shall be covered hereunder only if all such Funds are insured by the Underwriter for uncollectible Items of Deposit, and (c) the Insured Fund shall have implemented and maintained a policy to hold Items of Deposit for the minimum number of days stated in its Application (as amended from time to time) before paying any dividend or permitting any withdrawal with respect to such Items of Deposit (other than exchanges between Funds). Regardless of the number of transactions between Funds in an exchange program, the minimum number of days an Item of Deposit must be held shall begin from the date the Item of Deposit was first credited to any Insured Fund.

This Insuring Agreement H does not cover loss covered under Insuring Agreement A.

Loss resulting directly from a Phone/Electronic Transaction, where the request for such Phone/Electronic Transaction:

PROVIDED, that the entity receiving such request generally maintains and follows during the Bond Period all Phone/Electronic Transaction Security Procedures with respect to all Phone/Electronic Transactions; and

EXCLUDING loss resulting from:

This Insuring Agreement I does not cover loss covered under Insuring Agreement A, “Fidelity” or Insuring Agreement J, “Computer Security”.

GENERAL AGREEMENTS

No statement made by or on behalf of the Insured, whether contained in the Application or otherwise, shall be deemed to be an absolute warranty, but only a warranty that such statement is true to the best of the knowledge of the person responsible for such statement.

The Underwriter will indemnify the Insured against court costs and reasonable attorneys’ fees incurred and paid by the Insured in defense of any legal proceeding brought against the Insured seeking recovery for any loss which, if established against the Insured, would constitute a loss covered under the terms of this Bond; provided, however, that with respect to Insuring Agreement A this indemnity shall apply only in the event that:

The Insured shall promptly give notice to the Underwriter of any such legal proceeding and upon request shall furnish the Underwriter with copies of all pleadings and other papers therein. At the Underwriter’s election the Insured shall permit the Underwriter to conduct the defense of such legal proceeding in the Insured’s name, through attorneys of the Underwriter’s selection. In such event, the Insured shall give all reasonable information and assistance which the Underwriter shall deem necessary to the proper defense of such legal proceeding.

If the amount of the Insured’s liability or alleged liability in any such legal proceeding is greater than the amount which the Insured would be entitled to recover under this Bond (other than pursuant to this General Agreement C), or if a Deductible Amount is applicable, or both, the indemnity liability of the Underwriter under this General Agreement C is limited to the proportion of court costs and attorneys’ fees incurred and paid by the Insured or by the Underwriter that the amount which the Insured would be entitled to recover under this Bond (other than pursuant to this General Agreement C) bears to the sum of such amount plus the amount which the Insured is not entitled to recover. Such indemnity shall be in addition to the Limit of Liability for the applicable Insuring Agreement.

This Bond shall be interpreted with due regard to the purpose of fidelity bonding under Rule 17g-1 under the Investment Company Act of 1940 (i.e., to protect innocent third parties from harm) and to the structure of the investment management industry (in which a loss of Property resulting from a cause described in any Insuring Agreement ordinarily gives rise to a potential legal liability on the part of the Insured), such that the term “loss” as used herein shall include an Insured’s legal liability for direct compensatory damages resulting directly from a misappropriation, or measurable diminution in value, of Property.

THIS BOND, INCLUDING THE FOREGOING INSURING AGREEMENTS

AND GENERAL AGREEMENTS, IS SUBJECT TO THE FOLLOWING

PROVISIONS, CONDITIONS AND LIMITATIONS:

The following terms used in this Bond shall have the meanings stated in this Section:

for an Investment Company named as an Insured, BUT ONLY while (i) such officer, partner or employee is performing acts coming within the scope of the usual duties of an officer or employee of an Insured, or (ii) such officer, director, trustee, partner or employee is acting as a member of any committee duly elected or appointed to examine or audit or have custody of or access to the Property of the Insured, or (iii) such director or trustee (or anyone acting in a similar capacity) is acting outside the scope of the usual duties of a director or trustee; PROVIDED, that the term “Employee” shall not include any officer, director, trustee, partner or employee of a transfer agent, shareholder accounting recordkeeper or administrator (x) which is not an “affiliated person” (as defined in Section 2(a) of the Investment Company Act of 1940) of an Investment Company named as an Insured or of the adviser or underwriter of such Investment Company, or (y) which is a “Bank” (as defined in Section 2(a) of the Investment Company Act of 1940), and

while such officer, partner or employee is performing services for any Depository in the operation of systems for the central handling of securities, and

Each employer of temporary personnel and each entity referred to in subsections (6) and (7) and their respective partners, officers and employees shall collectively be deemed to be one person for all the purposes of this Bond.

Brokers, agents, independent contractors, or representatives of the same general character shall not be considered Employees, except as provided in subsections (3), (6), and (7).

All acts or omissions of one or more persons which directly or indirectly aid or, by failure to report or otherwise, permit the continuation of an act referred to in subsections (1) and (2) above of any other person shall be deemed to be the acts of such other person for purposes of this subsection.

All acts or occurrences or events which have as a common nexus any fact, circumstance, situation, transaction or series of facts, circumstances, situations, or transactions shall be deemed to be one act, one occurrence, or one event.

THIS BOND DOES NOT COVER:

unless such loss is otherwise covered under Insuring Agreement A.

Upon payment to the Insured hereunder for any loss, the Underwriter shall be subrogated to the extent of such payment to all of the Insured’s rights and claims in connection with such loss; provided, however, that the Underwriter shall not be subrogated to any such rights or claims one named Insured under this Bond may have against another named Insured under this Bond. At the request of the Underwriter, the Insured shall execute all assignments or other documents and take such action as the Underwriter may deem necessary or desirable to secure and perfect such rights and claims, including the execution of documents necessary to enable the Underwriter to bring suit in the name of the Insured.

Assignment of any rights or claims under this Bond shall not bind the Underwriter without the Underwriter’s written consent.

This Bond is for the use and benefit only of the Insured and the Underwriter shall not be liable hereunder to anyone other than the Insured. As soon as practicable and not more than sixty (60) days after discovery of any loss covered hereunder, the Insured shall give the Underwriter written notice thereof and, as soon as practicable and within one year after such discovery, shall also furnish to the Underwriter affirmative proof of loss with full particulars. The Underwriter may extend the sixty-day notice period or the one-year proof of loss period if the Insured requests an extension and shows good cause therefor.

The Insured shall provide the Underwriter with such information, assistance, and cooperation as the Underwriter may reasonably request.

See also General Agreement C (Court Costs and Attorneys’ Fees).

The Underwriter shall not be liable hereunder for loss of Securities unless each of the Securities is identified in such proof of loss by a certificate or bond number or by such identification means as the Underwriter may require. The Underwriter shall have a reasonable period after receipt of a proper affirmative proof of loss within which to investigate the claim, but where the Property is Securities and the loss is clear and undisputed, settlement shall be made within forty-eight (48) hours even if the loss involves Securities of which duplicates may be obtained.

The Insured shall not bring legal proceedings against the Underwriter to recover any loss hereunder prior to sixty (60) days after filing such proof of loss or subsequent to twenty-four (24) months after the discovery of such loss or, in the case of a legal proceeding to recover hereunder on account of any judgment against the Insured in or settlement of any suit mentioned in General Agreement C or to recover court costs or attorneys’ fees paid in any such suit, twenty-four (24) months after the date of the final judgment in or settlement of such suit. If any limitation in this Bond is prohibited by any applicable law, such limitation shall be deemed to be amended to be equal to the minimum period of limitation permitted by such law.

Notice hereunder shall be given to Manager, Professional Liability Claims, ICI Mutual Insurance Company, RRG, 1401 H St. NW, Washington, DC 20005.

For all purposes under this Bond, a loss is discovered, and discovery of a loss occurs, when the Insured

which would cause a reasonable person to assume that a loss of a type covered by this Bond has been or is likely to be incurred, regardless of when the act or acts causing or contributing to such loss occurred, even though the exact amount or details of the loss may not be known.

For the purpose of determining the amount of any loss hereunder, the value of any Property shall be the market value of such Property at the close of business on the first business day before the discovery of such loss; except that

The maximum liability of the Underwriter hereunder for lost Securities shall be the payment for, or replacement of, such Securities having an aggregate value not to exceed the applicable Limit of Liability. If the Underwriter shall make payment to the Insured for any loss of Securities, the Insured shall assign to the Underwriter all of the Insured’s right, title and interest in and to such Securities. In lieu of such payment, the Underwriter may, at its option, replace such lost Securities, and in such case the Insured shall cooperate to effect such replacement. To effect the replacement of lost Securities, the Underwriter may issue or arrange for the issuance of a lost instrument bond. If the value of such Securities does not exceed the applicable Deductible Amount (at the time of the discovery of the loss), the Insured will pay the usual premium charged for the lost instrument bond and will indemnify the issuer of such bond against all loss and expense that it may sustain because of the issuance of such bond.

If the value of such Securities exceeds the applicable Deductible Amount (at the time of discovery of the loss), the Insured will pay a proportion of the usual premium charged for the lost instrument bond, equal to the percentage that the applicable Deductible Amount bears to the value of such Securities upon discovery of the loss, and will indemnify the issuer of such bond against all loss and expense that is not recovered from the Underwriter under the terms and conditions of this Bond, subject to the applicable Limit of Liability.

If any recovery is made, whether by the Insured or the Underwriter, on account of any loss within the applicable Limit of Liability hereunder, the Underwriter shall be entitled to the full amount of such recovery to reimburse the Underwriter for all amounts paid hereunder with respect to such loss. If any recovery is made, whether by the Insured or the Underwriter, on account of any loss in excess of the applicable Limit of Liability hereunder plus the Deductible Amount applicable to such loss from any source other than suretyship, insurance, reinsurance, security or indemnity taken by or for the benefit of the Underwriter, the amount of such recovery, net of the actual costs and expenses of recovery, shall

be applied to reimburse the Insured in full for the portion of such loss in excess of such Limit of Liability, and the remainder, if any, shall be paid first to reimburse the Underwriter for all amounts paid hereunder with respect to such loss and then to the Insured to the extent of the portion of such loss within the Deductible Amount. The Insured shall execute all documents which the Underwriter deems necessary or desirable to secure to the Underwriter the rights provided for herein.

Prior to its termination, this Bond shall continue in force up to the Limit of Liability for each Insuring Agreement for each Single Loss, notwithstanding any previous loss (other than such Single Loss) for which the Underwriter may have paid or be liable to pay hereunder; PROVIDED, however, that regardless of the number of years this Bond shall continue in force and the number of premiums which shall be payable or paid, the liability of the Underwriter under this Bond with respect to any Single Loss shall be limited to the applicable Limit of Liability irrespective of the total amount of such Single Loss and shall not be cumulative in amounts from year to year or from period to period.

The maximum liability of the Underwriter for any Single Loss covered by any Insuring Agreement under this Bond shall be the Limit of Liability applicable to such Insuring Agreement, subject to the applicable Deductible Amount and the other provisions of this Bond. Recovery for any Single Loss may not be made under more than one Insuring Agreement. If any Single Loss covered under this Bond is recoverable or recovered in whole or in part because of an unexpired discovery period under any other bonds or policies issued by the Underwriter to the Insured or to any predecessor in interest of the Insured, the maximum liability of the Underwriter shall be the greater of either (1) the applicable Limit of Liability under this Bond, or (2) the maximum liability of the Underwriter under such other bonds or policies.

Notwithstanding anything to the contrary herein, if any loss covered by this Bond shall also be covered by other insurance or suretyship for the benefit of the Insured, the Underwriter shall be liable hereunder only for the portion of such loss in excess of the amount recoverable under such other insurance or suretyship, but not exceeding the applicable Limit of Liability of this Bond.

The Underwriter shall not be liable under any Insuring Agreement unless the amount of the loss covered thereunder, after deducting the net amount of all reimbursement and/or recovery received by the Insured with respect to such loss (other than from any other bond, suretyship or insurance policy or as an advance by the Underwriter hereunder) shall exceed the applicable Deductible Amount; in such case the Underwriter shall be liable only for such excess, subject to the applicable Limit of Liability and the other terms of this Bond.

No Deductible Amount shall apply to any loss covered under Insuring Agreement A sustained by any Investment Company named as an Insured.

The Underwriter may terminate this Bond as to any Insured or all Insureds only by written notice to such Insured or Insureds and, if this Bond is terminated as to any Investment Company, to each such Investment Company terminated thereby and to the Securities and Exchange Commission, Washington, D.C., in all cases not less than sixty (60) days prior to the effective date of termination specified in such notice.

The Insured may terminate this Bond only by written notice to the Underwriter not less than sixty (60) days prior to the effective date of the termination specified in such notice. Notwithstanding the foregoing, when the Insured terminates this Bond as to any Investment Company, the effective date of termination shall be not less than sixty (60) days from the date the Underwriter provides written notice of the termination to each such Investment Company terminated thereby and to the Securities and Exchange Commission, Washington, D.C.

This Bond will terminate as to any Insured that is a Non-Fund immediately and without notice upon (1) the takeover of such Insured’s business by any State or Federal official or agency, or by any receiver or liquidator, or (2) the filing of a petition under any State or Federal statute relative to bankruptcy or reorganization of the Insured, or assignment for the benefit of creditors of the Insured.

Premiums are earned until the effective date of termination. The Underwriter shall refund the unearned premium computed at short rates in accordance with the Underwriter’s standard short rate cancellation tables if this Bond is terminated by the Insured or pro rata if this Bond is terminated by the Underwriter.

Upon the detection by any Insured that an Employee has committed any Dishonest or Fraudulent Act(s), the Insured shall immediately remove such Employee from a position that may enable such Employee to cause the Insured to suffer a loss by any subsequent Dishonest or Fraudulent Act(s). The Insured, within two (2) business days of such detection, shall notify the Underwriter with full and complete particulars of the detected Dishonest or Fraudulent Act(s).

For purposes of this section, detection occurs when any partner, officer, or supervisory employee of any Insured, who is not in collusion with such Employee, becomes aware that the Employee has committed any Dishonest or Fraudulent Act(s).

This Bond shall terminate as to any Employee by written notice from the Underwriter to each Insured and, if such Employee is an Employee of an Insured Investment Company, to the Securities and Exchange Commission, in all cases not less than sixty (60) days prior to the effective date of termination specified in such notice.

At any time prior to the effective date of termination of this Bond as to any Insured, such Insured may, by written notice to the Underwriter, elect to purchase the right under this Bond to an additional period of twelve (12) months within which to discover loss sustained by such Insured prior to the effective date of such termination and shall pay an additional premium therefor as the Underwriter may require.

Such additional discovery period shall terminate immediately and without notice upon the takeover of such Insured’s business by any State or Federal official or agency, or by any receiver or liquidator. Promptly after such termination the Underwriter shall refund to the Insured any unearned premium.

The right to purchase such additional discovery period may not be exercised by any State or Federal official or agency, or by any receiver or liquidator, acting or appointed to take over the Insured’s business.

The Underwriter shall not be liable for loss in connection with the central handling of securities within the systems established and maintained by any Depository (“Systems”), unless the amount of such loss exceeds the amount recoverable or recovered under any bond or policy or participants’ fund insuring the Depository against such loss (the “Depository’s Recovery”); in such case the Underwriter shall be liable hereunder only for the Insured’s share of such excess loss, subject to the applicable Limit of Liability, the Deductible Amount and the other terms of this Bond.

For determining the Insured’s share of such excess loss, (1) the Insured shall be deemed to have an interest in any certificate representing any security included within the Systems equivalent to the interest the Insured then has in all certificates representing the same security included within the Systems; (2) the Depository shall have reasonably and fairly apportioned the Depository’s Recovery among all those having an interest as recorded by appropriate entries in the books and records of the Depository in Property involved in such loss, so that each such interest shall share in the Depository’s Recovery in the ratio that the value of each such interest bears to the total value of all such interests; and (3) the Insured’s share of such excess loss shall be the amount of the Insured’s interest in such Property in excess of the amount(s) so apportioned to the Insured by the Depository.

This Bond does not afford coverage in favor of any Depository or Exchange or any nominee in whose name is registered any security included within the Systems.

If more than one entity is named as the Insured:

Within thirty (30) days after learning that there has been a change in control of an Insured by transfer of its outstanding voting securities the Insured shall give written notice to the Underwriter of:

As used in this Section, “control” means the power to exercise a controlling influence over the management or policies of the Insured.

This Bond may only be modified by written Rider forming a part hereof over the signature of the Underwriter’s authorized representative. Any Rider which modifies the coverage provided by Insuring Agreement A, Fidelity, in a manner which adversely affects the rights of an Insured Investment Company shall not become effective until at least sixty (60) days after the Underwriter has given written notice thereof to the Securities and Exchange Commission, Washington, D.C., and to each Insured Investment Company affected thereby.

This Bond shall not be deemed to provide any coverage, and the Underwriter shall not be required to pay any loss or provide any benefit hereunder, to the extent that the provision of such coverage, payment of such loss or provision of such benefit would cause the Underwriter to be in violation of any applicable trade or economic sanctions, laws or regulations, including, but not limited to, any sanctions, laws or regulations administered and enforced by the U.S. Department of Treasury Office of Foreign Assets Control (OFAC).

If any Insuring Agreement requires that an enumerated type of document be Counterfeit, or contain a Forgery or Alteration, the Counterfeit, Forgery, or Alteration must be on or of the enumerated document itself, not on or of some other document submitted with, accompanying or incorporated by reference into the enumerated document.

IN WITNESS WHEREOF, the Underwriter has caused this Bond to be executed on the Declarations Page.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that Item 1 of the Declarations, Name of Insured, shall include the following:

Calamos Asset Management, Inc.

Calamos Avenue Management, LLC

Calamos Family Partners, Inc.

Calamos Investments LLC

Calamos International Holdings LLC

Calamos International Holdings II LLC

Calamos Investments LLP

Calamos Financial Services LLC

Calamos Opis LLC

Calamos Partners LLC

Calamos Profit Sharing 401(k) Plan

Calamos Wealth Management LLC

Primacy Business Center LLC

Calamos Investment Trust, a series fund consisting of:

Calamos Advisors Trust, a series fund consisting of:

Calamos Convertible & High Income Fund

Calamos Convertible Opportunities and Income Fund

Calamos Dynamic Convertible & Income Fund

Calamos Global Dynamic Income Fund

Calamos Global Total Return Fund

Calamos Long/Short Equity & Income 2028 Term Trust

Calamos Strategic Total Return Fund

Calamos Advisors LLC Master Group Trust, a series trust consisting of:

Calamos Ares Quant Fund I, LP

Calamos Global Opportunities Fund LP

Calamos Global Funds PLC, a series trust consisting of:

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that this Bond (other than Insuring Agreements C and D) does not cover loss resulting from or in connection with any business, activities, or acts or omissions of (including services rendered by) any Insured which is not an Insured Fund (“Non-Fund”) or any Employee of a Non-Fund, except loss, otherwise covered by the terms of this Bond, resulting from or in connection with

It is further understood and agreed that with respect to any Non-Fund, Insuring Agreements C and D only cover loss of Property which a Non-Fund uses or holds, or in which a Non-Fund has an interest, in each case wholly or partially in connection with the rendering of services described in (1), (2) or (3) above.

As used herein, “Investment Advisory Services” means (a) advice with respect to the desirability of investing in, purchasing or selling securities or other property, including the power to determine what securities or other property shall be purchased or sold, but not including furnishing only statistical and other factual information (such as economic factors and trends); and (b) the provision of financial, economic or investment management services, but only if ancillary and related to the advice referred to in clause (a) above.

It is further understood and agreed that as used herein, “Personal Financial Planning Services” means the personal financial planning services that are specifically described in the Application, but not including solely Investment Advisory Services.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that for purposes of this Bond the term “Investment Company” or “Fund” shall be deemed to include the following:

Calamos Global Opportunities Fund LP

Calamos Advisors LLC Master Group Trust, a series fund consisting of:

Calamos Ares Quant Fund I, LP

Except as stated above, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that this Bond (other than Insuring Agreements C and D) does not cover loss resulting from or in connection with any business, activities, acts or omissions of any Insured or any Employee of any Insured where such loss is based upon, arises out of or in any way involves the provision of services to any Plan, EXCEPT loss, otherwise covered by the terms of this Bond, resulting from, or in connection with the business of:

It is further understood and agreed that Insuring Agreements C and D only cover loss of Property which an Insured uses or holds, or in which the Insured has an interest, in each case in connection with (a), (b), or (c) above.

It is further understood and agreed that notwithstanding the foregoing, this Bond (other than Insuring Agreements C and D) does not cover loss resulting from or in connection with, and Insuring Agreements C and D do not cover loss of Property which an Insured uses or holds, or in which it has an interest, in each case in connection with:

It is further understood and agreed that for purposes of this rider:

It is further understood and agreed that with respect to In-House Plans, for purposes of Rider No. 2 of this Bond only, an In-House Plan named as an Insured under this Bond shall not be deemed to be a Non-Fund.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that notwithstanding anything to the contrary in this Bond, this Bond shall not cover loss resulting from or in connection with the discretionary voting by any Insured of securities owned or held by any client of such Insured, where such securities are issued by (1) such Insured, or (2) any entity controlling, controlled by, or under common control with such Insured, (“Affiliated Entity”), or (3) any Fund to which such Insured or any Affiliated Entity provides any services.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that notwithstanding Section 2.Q of this Bond, this Bond is amended by adding an additional Insuring Agreement J as follows:

J.    COMPUTER SECURITY

Loss (including loss of Property) resulting directly from Computer Fraud; provided, that the Insured has adopted in writing and generally maintains and follows during the Bond Period all Computer Security Procedures. The isolated failure of the Insured to maintain and follow a particular Computer Security Procedure in a particular instance will not preclude coverage under this Insuring Agreement, subject to the specific exclusions herein and in the Bond.

and

For purposes of this Insuring Agreement, “Single Loss,” as defined in Section 1.EE of this Bond, shall also include all loss caused by Computer Fraud(s) committed by one person, or in which one person is implicated, whether or not that person is specifically identified. A series of losses involving unidentified individuals, but arising from the same method of operation, may be deemed by the Underwriter to involve the same individual and in that event shall be treated as a Single Loss.

It is further understood and agreed that nothing in this Rider shall affect the exclusion set forth in Section 2.O of this Bond.

Coverage under this Insuring Agreement shall terminate upon termination of this Bond. Coverage under this Insuring Agreement may also be terminated without terminating this Bond as an entirety:

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that the Deductible Amount for Insuring Agreement E, Forgery or Alteration, and Insuring Agreement F, Securities, shall not apply with respect to loss through Forgery of a signature on the following documents:

provided, that the Limit of Liability for a Single Loss as described above shall be $100,000 and that the Insured shall bear 20% of each such loss. This Rider shall not apply in the case of any such Single Loss which exceeds $100,000; in such case the Deductible Amounts and Limits of Liability set forth in Item 3 of the Declarations shall control.

For purposes of this Rider:

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that this Bond does not cover any loss resulting from or in connection with the acceptance of any Third Party Check, unless

and then only to the extent such loss is otherwise covered under this Bond.

For purposes of this Rider, “Third Party Check” means a check made payable to one or more parties and offered as payment to one or more other parties.

It is further understood and agreed that notwithstanding anything to the contrary above or elsewhere in the Bond, this Bond does not cover any loss resulting from or in connection with the acceptance of a Third Party Check where:

It is further understood and agreed that this Rider shall not apply with respect to any coverage that may be available under Insuring Agreement A, “Fidelity.”

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that, notwithstanding anything to the contrary in General Agreement A of this Bond, Item 1 of the Declarations shall include any Newly Created Investment Company or portfolio, provided that the Insured shall submit to the Underwriter, at least annually, a list of all Newly Created Investment Companies or portfolios, the estimated annual assets of each Newly Created Investment Company or portfolio.

For purposes of this Rider, Newly Created Investment Company or portfolio shall mean any Investment Company or portfolio declared effective by the U.S. Securities and Exchange Commission after the inception date of this Bond which is advised, distributed or administered by a Non-Fund and for which it has the responsibility of placing fidelity bond coverage.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration for the premium charged for this Bond, it is hereby understood and agreed that, with respect to Insuring Agreement I only, the Deductible Amount set forth in Item 3 of the Declarations (“Phone/Electronic Deductible”) shall not apply with respect to a Single Loss, otherwise covered by Insuring Agreement I, caused by:

provided, that the Limit of Liability for a Single Loss as described in (a) or (b) above shall be the lesser of 80% of such loss or $80,000 and that the Insured shall bear the remainder of each such Loss. This Rider shall not apply if the application of the Phone/Electronic Deductible to the Single Loss would result in coverage of greater than $80,000; in such case the Phone/Electronic Deductible and Limit of Liability set forth in Item 3 of the Declarations shall control.

For purposes of this Rider, “Phone/Electronic Redemption” means any redemption of shares issued by an Investment Company, which redemption is requested (a) by voice over the telephone, (b) by Telefacsimile, or (c) by transmission over the Internet.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

In consideration of the premium charged for this Bond, it is hereby understood and agreed that notwithstanding anything to the contrary in this Bond (including Insuring Agreement I), this Bond does not cover loss caused by a Phone/Electronic Transaction requested:

except insofar as such loss is covered under Insuring Agreement A “Fidelity” of this Bond.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

Most property and casualty insurers, including ICI Mutual Insurance Company, a Risk Retention Group (“ICI Mutual”), are subject to the requirements of the Terrorism Risk Insurance Act of 2002, as amended (the “Act”). The Act establishes a federal insurance backstop under which ICI Mutual and these other insurers may be partially reimbursed by the United States Government for future “insured losses” resulting from certified “acts of terrorism.” (Each of these bolded terms is defined by the Act.) The Act also places certain disclosure and other obligations on ICI Mutual and these other insurers.

Pursuant to the Act, any future losses to ICI Mutual caused by certified “acts of terrorism” may be partially reimbursed by the United Sates government under a formula established by the Act. Under this formula, the United States government would generally reimburse ICI Mutual for the Federal Share of Compensation of ICI Mutual’s “insured losses” in excess of ICI Mutual’s “insurer deductible” until total “insured losses” of all participating insurers reach $100 billion (the “Cap on Annual Liability”). If total “insured losses” of all property and casualty insurers reach the Cap on Annual Liability in any one calendar year, the Act limits U.S. Government reimbursement and provides that the insurers will not be liable under their policies for their portions of such losses that exceed such amount. Amounts otherwise payable under this Bond may be reduced as a result.

This Bond has no express exclusion for “acts of terrorism.” However, coverage under this Bond remains subject to all applicable terms, conditions, and limitations of the Bond (including exclusions) that are permissible under the Act.

The portion of the premium that is attributable to any coverage potentially available under the Bond for “acts of terrorism” is one percent (1%) and does not include any charges for the portion of loss that may be covered by the U.S. Government under the Act

As used herein, “Federal Share of Compensation” shall mean 85% in calendar year 2015 and shall be reduced by 1% per calendar year until equal to 80%.

Except as above stated, nothing herein shall be held to alter, waive or extend any of the terms of this Bond.

SOCIAL ENGINEERING FRAUD

In consideration of the premium charged for this Bond, it is hereby understood and agreed that this Bond is amended by adding an additional Insuring Agreement M, as follows:

M.    Social Engineering Fraud

Loss resulting directly from the Insured, in good faith, transferring, paying, or delivering money from its own account as a direct result of a Social Engineering Fraud;

PROVIDED, that the entity receiving such request generally maintains and follows during the Bond Period all Social Engineering Security Procedures.

The Limit of Liability for a Single Loss under this Insuring Agreement M shall be the lesser of (a) 50% of the amount by which such Single Loss exceeds the Deductible Amount or (b) $1,000,000 (One Million Dollars), and the Insured shall bear the remainder of any such Single Loss. The Deductible Amount for this Insuring Agreement M is $100,000 (One Hundred Thousand Dollars).

Notwithstanding any other provision of this Bond, the aggregate Limit of Liability under this Bond with respect to any and all loss or losses under this Insuring Agreement M shall be $1,000,000 (One Million Dollars) for the Bond Period, irrespective of the total amount of such loss or losses.

This Insuring Agreement M does not cover loss covered under any other Insuring Agreement of this Bond.

It is further understood and agreed that for purposes of this rider:

Except as above stated, nothing herein shall be held to alter, waive, or extend any of the terms of this Bond.

In consideration for the premium charged for this Bond, it is hereby understood and agreed that notwithstanding anything to the contrary in this Bond (including Insuring Agreement I), this Bond does not cover any loss resulting from any Online Redemption(s) or Online Purchase(s) involving an aggregate amount in excess of Five Hundred Thousand Dollars ($500,000) per shareholder account per day, unless before such redemption(s) or purchase(s), in a procedure initiated by the Insured or by the entity receiving the request for such Online Redemption(s) or Online Purchase(s):

It is further understood and agreed that, notwithstanding the Limit of Liability set forth herein or any other provision of this Bond, the Limit of Liability with respect to any Single Loss caused by an Online Transaction shall be Fifteen Million Dollars ($15,000,000) and the Deductible Amount applicable to any such Single Loss is One Hundred Thousand Dollars ($100,000).

It is further understood and agreed that, notwithstanding Section 9, Non-Reduction and Non-Accumulation of Liability and Total Liability, or any other provision of this Bond, the Aggregate Limit of Liability of the Underwriter under this Bond with respect to any and all loss or losses caused by Online Transactions shall be an aggregate of Fifteen Million Dollars ($15,000,000) for the Bond Period, irrespective of the total amount of such loss or losses.

For purposes of this Rider, the following terms shall have the following meanings:

“Online Purchase” means any purchase of shares issued by an Investment Company, which purchase is requested through an Electronic Transmission over the Internet.

“Online Redemption” means any redemption of shares issued by an Investment Company, which redemption is requested through an Electronic Transmission over the Internet.

“Online Transaction” means any Phone/Electronic Transaction requested through an Electronic Transmission over the Internet.

Except as above stated, nothing herein shall be held to alter, waive, or extend any of the terms of this Bond.

RN0038.0-02 (06/18) nb

CALAMOS OPEN-END FUNDS

CALAMOS CLOSED-END FUNDS

I, J. Christopher Jackson, Secretary of Calamos Open-End Funds and Calamos Closed-End Funds set forth in Annex A attached hereto (collectively, the “Trusts”), having its principal offices and place of business in Naperville, Illinois, hereby certify that the foregoing is a true and correct copy of the resolutions adopted at the Board of Trustees meeting of the Trusts held on March 26, 2020, and that said resolutions have not been amended or rescinded:

Fidelity Bond

[Each Trust]

WHEREAS, Calamos Advisors Trust, Calamos Investment Trust, and each series thereunder, 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 Income Fund and Calamos Long/Short Equity & Dynamic Income Trust (each a “Trust,” and collectively, the “Trusts”) is insured under an investment company blanket bond issued by ICI Mutual Insurance Company (the “Bond”) insuring the Trusts, as well as the Trusts’ investment adviser and its affiliates against loss in the cumulative aggregate amount of $15,000,000;

WHEREAS, the Board of Trustees of the Trust (the “Board”) has considered the adequacy of the Bond with due consideration to (1) the amount and type of coverage provided by the Bond, (2) the value of the assets of each Trust to which any person covered by the Bond may have access, (3) the type and terms of the arrangements made by the Trust for the custody and safekeeping of its assets of each of the Trusts, (4) the nature of the securities in each Trust’s portfolio, (5) the nature and method of conducting the operations of each of the Trusts and (6) the accounting procedures and controls of each of the Trusts; and

WHEREAS, the Board has considered the portion of the premium to be paid by each of the Trusts with due consideration to: (1) the number of other parties named as insureds; (2) the nature of the business activities of such other parties named as insureds; (3) the amount of the Bond; (4) the amount of the premium for the Bond; (5) the basis for allocation of the premium among all parties named as insureds; (6) the extent to which the

share of the premium allocated to each of the Trusts is less than the premium each of the Trusts would have had to pay if it had provided and maintained a single insured bond.

RESOLVED, that $15,000,000 is determined to be a reasonable amount of fidelity bond coverage to be maintained by the Trust in accordance with Section 17(g) of, and Rule 17g-1 under, the Investment Company Act of 1940, as amended (the “Investment Company Act”).

RESOLVED FURTHER, that the form of the Bond is approved.

RESOLVED, that the proposed amended Fidelity Bond Allocation Agreement, in the form presented to this meeting (the “Agreement”) is approved, and any officer of each of the Trusts is authorized to execute and deliver the Agreement on behalf of each of the Trusts in such form, with such changes therein as may be approved by such officer as being deemed necessary or advisable upon advice of counsel to each of the Trusts, such approval to be evidenced by the officer’s execution thereof; and the Secretary shall file with each of the Trusts’ records a copy of the form of Agreement presented to this meeting.

RESOLVED FURTHER, that the proposed portion of the premium for the Bond allocated to each of the Trusts, based on each of the insureds’ proportionate share of the premiums that would have been paid if the coverage of the Bond were purchased separately by the respective insureds, is fair and reasonable, and is approved.

RESOLVED FURTHER, that the secretary of each of the Trusts is designated as the person to make the filings and to give the notices required by Rule 17g-1(g) under the Investment Company Act.

Closed-End Funds

Calamos Convertible Opportunities and Income Fund (“CHI”)

Calamos Convertible and High Income Fund (“CHY”)

Calamos Strategic Total Return Fund (“CSQ”)

Calamos Global Total Return Fund (“CGO”)

Calamos Global Dynamic Income Fund (“CHW”)

Calamos Dynamic Convertible and Income Fund (“CCD”)

Calamos Long/Short Equity & Dynamic Income Trust (“CPZ”)

June 26, 2020

Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

FIDELITY BOND FILING

Calamos Investment Trust – 1940 Act File No. 811-05443

Calamos Advisors Trust – 1940 Act File No. 811-09237

Calamos Convertible Opportunities and Income Fund – 1940 Act File No. 811-21080

Calamos Convertible and High Income Fund – 1940 Act File No. 811-21319

Calamos Strategic Total Return Fund – 1940 Act File No. 811-21484

Calamos Global Total Return Fund – 1940 Act File No. 811-21547

Calamos Global Dynamic Income Fund – 1940 Act File No. 811-22047

Calamos Dynamic Convertible and Income Fund – 1940 Act File No. 811-22949

Calamos Long/Short Equity & Dynamic Income Trust – 1940 Act File No. 811-23295

The premium on the bond has been paid for the period ending March 31, 2021. In addition, please note that the minimum amount of bond that each trust would have been required to provide, as set forth in Rule 17g-1(d), under a single insured bond is as follows:

FIDELITY BOND INSURANCE ALLOCATION AGREEMENT

This Agreement is dated as of March 26, 2020 and is entered into by and among:

Calamos Investment Trust

Calamos Advisors Trust

Calamos Convertible Opportunities and Income Fund

Calamos Convertible and High Income Fund

Calamos Global Total Return Fund

Calamos Strategic Total Return Fund

Calamos Global Dynamic Income Fund

Calamos Dynamic Convertible and Income Fund

Calamos Long/Short Equity & Dynamic Income Trust

Calamos Advisors LLC (“Calamos Advisors”)

Calamos Asset Management, Inc.

Calamos Financial Services LLC

Calamos Investments LLC

Calamos Profit Sharing 401(k) Plan

Calamos Wealth Management LLC

Calamos Global Opportunities Fund LP

Calamos International Holdings LLC

Calamos International Holdings II LLC

Calamos Advisors LLC Master Group Trust

Calamos Family Partners, Inc.

Calamos Partners LLC

Calamos Ares Quant Fund I, LP

Calamos Opis LLC

Calamos Avenue Management, LLC

Primacy Business Center LLC

(each of such parties being referred to individually as a “Party” and collectively as the “Parties”).

In order to obtain joint-insureds fidelity bond insurance under an insurance policy (the “Policy”) on favorable terms, and in consideration of the mutual agreements set forth below, the Parties agree as follows:

1.    The Policy. The Parties agree to secure and maintain a Policy, which will insure each Party and, if such Party is an investment company (an “investment company”) registered under the Investment Company Act of 1940, as amended (the “Investment Company Act”), its respective portfolios.

2.    Primary Coverage. Each Party shall have “Primary Coverage” (i.e. minimum insured coverage) under the Policy, under which they are insured, as set forth in the Schedule to this Agreement, which Schedule may be amended from time to time by the Parties. Each Party who is an investment company shall have Primary Coverage in an amount at least equal to the amount required by applicable laws and regulations. This Agreement applies to the initial Policy and any future insurance policy insuring the same Insureds, all as modified from time to time. Each Party shall promptly take action to increase its Primary Coverage amount, which shall therefore increase the total amount (i.e. limit of liability) of the Policy, whenever required to comply with applicable federal statutes and regulations, including but not limited to Rule 17g-1 under the Investment Company Act.

3.    Definitions. As used in this Agreement, the following terms have the following meanings:

(a)    “Agent” means Calamos Advisors or its successor, acting as agent for the Parties.

(b)    “Commission” means the Securities and Exchange Commission.

(c)    “Insured” means, a Party and, for investment companies, any portfolio of any Party and “Insureds” means all Parties and all portfolios of the Parties.

(d)    “Insured Loss” means a loss (including all related expenses) of an Insured that is covered under the Policy (including any endorsement thereof) or that would be so covered but for the exhaustion of the applicable limit of liability and any applicable deductible.

(e)    “Policy Period” means the period from the initial effective date of the Policy through the next succeeding anniversary date or the period from any anniversary date subsequent to the initial effective date through the next succeeding anniversary date (or any modification of such period as may be agreed to by the Parties and the insurer).

4.    Allocation of Premiums. Each Party shall pay that portion of the Policy premium for any Policy Period equal to (i) the underwriter’s estimate of relative cost to that Insured of a single-insured policy providing coverage similar to such policy but in an amount equal to the Primary Coverage allocated to that Insured under this Agreement, as such amount may be amended from time to time, in relation to (ii) the aggregate of the cost to all Insureds of such single-insured policies.

5.    Allocation of Coverages. The Policy is a “claims made” policy. Proceeds paid under the Policy shall be allocated among the Insureds as follows.

(a)    Coverage Sufficient for All Insured Losses. If the aggregate Insured Losses of all Insureds relating to claims with respect to a particular Policy Period are covered by proceeds of the Policy for that Policy Period, such proceeds shall be allocated among the Insureds according to their respective Insured Losses.

(b)    Allocation of Insufficient Coverage. If the aggregate Insured Losses of all Insureds relating to claims with respect to a particular Policy Period exceed the aggregate proceeds of the Policy for Insured Losses for that Policy Period, such proceeds shall be first allocated among the Insureds who sustained such losses in proportion to their respective Primary Coverages; and if, after such initial allocation, there are remaining proceeds for Insured Losses relating to that Policy Period, such remaining proceeds shall be further allocated among such Insureds whose Insured Losses have not yet been paid in proportion to such respective Primary Coverages of those Insureds (repeating this further allocation procedure until all of such proceeds have been allocated).

(c)    Reallocation. If all Insured Losses relating to a Policy Period under the Policy are not paid at the same time, the Insureds who claim such Insured Losses for that

Policy Period shall make such provisions as they deem suitable to the particular circumstances (taking into account the size of any payments received, the size, nature and expected result of any remaining claims, and all other relevant factors) to permit a later reallocation of amounts first paid in accordance with this section 5.

6.    Notices. Each Insured agrees promptly to give to the Insurer all notices required under the Policy.

7.    Agent. The Agent is hereby appointed as the agent for the Insureds for the purposes of seeking, negotiating and obtaining the Policy and of making, adjusting, receiving and enforcing payment of all claims under the Policy and otherwise dealing with the insurer with respect to the Policy. All expenses incurred by the Agent in its capacity as agent for claims shall be shared by the Parties and their respective Insureds on whose behalf the expenses were incurred in proportion to their Insured Losses.

8.    Notification of Agent. Each Party shall promptly notify the Agent in writing of any circumstance that may give rise to a claim by such Party or its Insureds under the Policy.

9.    Filing with the Commission. Each Party, as required by Rule 17g-1 under Section 17(g) of the Investment Company Act of 1940, shall file a copy of this Agreement and any amendment hereto with the Commission.

10.    Modification and Termination. This Agreement may be modified or amended from time to time by mutual written agreement among the Parties. It shall terminate with respect to any Insured as of the date such Insured ceases to be an insured under the Policy; provided that such termination shall not affect that Insured’s rights and obligations hereunder with respect to any claims or Insured Losses relating to a period when that Insured was insured under the Policy. This Agreement may be terminated by either Party by written notice to the other Party given not less than 60 days prior to the date specified for termination.

11.    Prior Agreements. This Agreement shall supersede any prior agreement among the Parties relating to the allocation of premiums and coverage under any joint-insured policy bond providing fidelity coverage, and any such agreement is hereby terminated.

12.    Further Assurances. Each Party agrees to perform such further acts and execute such further documents as are necessary to effect the purposes hereof.

[Signature Page follows]

IN WITNESS WHEREOF, the Parties have caused this Agreement to be executed.

[Signature Page continues on following page]

[Signature Page continues on following page]

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