Company: PTY
Filing Date: 2025-09-25
Form Type: 40-17G
Source: 0001193125-25-217116
Chunk: 29

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-09-25
Form: 40-17G
Chunk 29
---
 J06915000                 |     | Bond Period                  
 07-01-2025   to   07-01-2026 |     | Effective Date of Endorsement 
 July 1, 2025                  |
| Issued By                 
 Federal Insurance Company |     |                              |     |                               |

THIS ENDORSEMENT CHANGES THE BOND. PLEASE READ IT CAREFULLY. It is agreed that:

Premium: Thirty-nine thousand two hundred twenty-one($39,221.00)

| 2. | It is further agreed that this premium is subject to change during this period if amendments are made to 
 this Bond at the request of the Assured.                                                                 |

The title and any headings in this endorsement/rider are solely for convenience and form no part of the terms and conditions of coverage. All other terms, conditions and limitations of this Bond shall remain unchanged.

| Authorized Representative |

| PF-51505 (02/19) |     | Page 1 of 1 |

AMEND DISCOVERY AND NOTICE TO COMPANY ENDORSEMENT

| Named Assured             
 PIMCO FUNDS               |     |                               |     | Endorsement                   
 Number 4                      |
| Bond Number               
 J06915000                 |     | Bond Period                   
 07-01-2025   to    07-01-2026 |     | Effective Date of Endorsement 
 July 1, 2025                  |
| Issued By                 
 Federal Insurance Company |     |                               |     |                               |

THIS ENDORSEMENT CHANGES THE BOND. PLEASE READ IT CAREFULLY. In consideration of the premium charged, it is agreed that this Bond is amended as follows:

| (1) | Section 7., Discovery, of the Conditions and Limitations is deleted and replaced with the following: |

| 7. | Discovery |

This Bond applies only to loss first discovered by the Risk Management’s or General Counsels’ office of the first named Assuredduring the Bond Period. Discovery occurs at the earlier of the Risk Management’s or General Counsels’ office of the first named Assuredlearning of: a. facts which may subsequently result in a loss of a type covered by this Bond; or b. an actual or potential claim in which it is alleged that the Assuredis liable to a third party, regardless of when the act or acts causing or contributing to such