Company: PTY
Filing Date: 2025-09-25
Form Type: 40-17G
Source: 0001193125-25-217116
Chunk: 53

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-09-25
Form: 40-17G
Chunk 53
---
 IL 83 19 08 15                                                  |     | Office Of Foreign Assets Control (OFAC) Exclusion Endorsement                           |
| BCR WDB 01 01 15                                                |     | Berkley Crime We Deliver Back Page                                                      |

All other terms, conditions, limitations and exclusions remain unchanged.

| BAP 90 00 11 13 |     | Page 1 of 1  ☐ |

| POLICY NUMBER: BFIV-45001524-31 |     | BAP 91 01 11 13             |
| NAMED INSURED: PIMCO Funds      |     | ENDORSEMENT #: 2            |
| EFFECTIVE DATE: 07/01/2025      |     | EXPIRATION DATE: 07/01/2026 |
| DATE OF ISSUANCE: 08/12/2025    |     |                             |

THIS ENDORSEMENT CHANGES THE POLICY. PLEASE READ IT CAREFULLY. MANUSCRIPT ENDORSEMENT This endorsement modifies insurance provided under the Investment Company Excess Follow Form Certificate It is agreed that:

| 1. | The attached Excess Follow Form Financial Institution Bond for Investment Companies does not include coverage for 
 Fraudulent Transfer Instructions as described in the underlying Primary Bond.                                     |

All other terms, conditions, limitations and exclusions remain unchanged.

| BAP 91 01 11 13 |     | Page 1 of 1  ☐ |

IL P 001 01 04 U.S. TREASURY DEPARTMENT’S OFFICE OF FOREIGN ASSETS CONTROL (“OFAC”) ADVISORY NOTICE TO POLICYHOLDERS No coverage is provided by this Policyholder Notice nor can it be construed to replace any provisions of your policy. You should read your policy and review your Declarations page for complete information on the coverages you are provided. This Notice provides information concerning possible impact on your insurance coverage due to directives issued by OFAC. Please read this Notice carefully. The Office of Foreign Assets Control (OFAC) administers and enforces sanctions policy, based on Presidential declarations of “national emergency”. OFAC has identified and listed numerous:

| • |     | Foreign agents; |

| • |     | Front organizations; |

| • |     | Terrorists; |

| • |     | Terrorist organizations; and |

| • |     | Narcotics traffickers; |

as “Specially Designated Nationals