Company: PTY
Filing Date: 2025-09-25
Form Type: 40-17G
Source: 0001193125-25-217116
Chunk: 9

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-09-25
Form: 40-17G
Chunk 9
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, or delivered Moneyor Securitiesin reliance upon any Voice Initiated Funds Transfer Instructionthat purports, and reasonably appears, to have originated from:

| a. | the Customer; |

| b. | an Employee acting on instructions of such Customer; or |

| PF-52903 (08/21) |     | Page 3 of 17 |

| Financial Institution Bond 
 For Investment Companies   |

| c. | a financial institution acting on behalf of such Customer with authority to make such instructions, |

but which Voice Initiated Funds Transfer Instructionwas, in fact, fraudulently issued without the knowledge of the Assured, Employee, or Customer. As a condition precedent to coverage under this Insuring Clause 11, the Voice Initiated Funds Transfer Instructionmust be received and processed in accordance with the Designated Procedures as outlined in the Application furnished to the Company.

| II. | GENERAL AGREEMENTS |

| 1. | Automatic Increase – Limit Of Liability |

If, during the Bond Period, an increase in the minimum amount of the Single Loss Limit Of Liability applicable to Insuring Clause 1 is required pursuant to Rule 17g-1of the Investment Company Act of 1940, as a result of:

| a. | the creation of a new Investment Company; or |

| b. | an increase in the gross assets of Investment Companies covered under the Bond, |

then the minimum required increase in the amount of the Single Loss Limit Of Liability applicable to Insuring Clause 1 shall take place automatically for the remainder of the Bond Period without payment of an additional premium.

| 2. | Joint Assured |

The first named Assuredshall be deemed to be the sole agent of the other Assuredsfor all purposes under this Bond, including but not limited to the giving or receiving of any notice or proof required to be given and for the purpose of effecting or accepting any amendments to or termination of this Bond. If the first named Assuredceases for any reason to be covered under this Bond, then the Assurednext named on the Application shall thereafter be considered as the first named Assuredfor the purposes of this Bond. The Company shall furnish each Assuredwith a copy of the Bond and with any amendment thereto, together with a copy of each formal filing of claim by any other Assuredand notification of the terms of the settlement of each such claim prior to the execution of such settlement. Knowledge possessed or discovery made by any Assuredshall constitute knowledge possessed or discovery made by all of the