Company: PTY
Filing Date: 2025-09-25
Form Type: 40-17G
Source: 0001193125-25-217116
Chunk: 56

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-09-25
Form: 40-17G
Chunk 56
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 the Declarations. Notice to any other insurer shall not constitute notice to the Insurer unless also given to the Insurer as provided herein. |

| E. | The Insurer may, at its sole discretion, elect to participate in the investigation, defense and settlement of any claim                                                                                                                 
 or other matter to which the coverage under this Policy could apply even if the applicable Underlying Limit has not been exhausted. The Insureds shall provide the Insurer with information, assistance and cooperation as the Insurer  
 reasonably requests and shall do nothing to prejudice the Insurer’s position or potential rights of recovery; provided, however, the failure of an Insured to comply with such request shall not be imputed to any other natural person 
 Insured under this Policy. No action by any other insurer shall bind the Insurer under this Policy.                                                                                                                                     |

SIGNATURE PAGE FOLLOWS.

| AXIS 1010302 0817 |     | Page 1 of 1 |

| AXIS EXCESS INSURANCE |

SIGNATURE PAGE IN WITNESS WHEREOF, the Insurer has caused this policy to be issued by affixing hereto the facsimile signatures of its President and Secretary.

| Andrew Weissert, Secretary |     | Michael McKenna, President |

| AXIS 102AIC 0615 |     | Page 1 of 1 |

| AXIS EXCESS INSURANCE |

| Endorsement Number |     | Effective Date of Endorsement |     | Policy Number      |     | Premium |
| 1                  |     | 12:01 a.m. on 07/01/2025      |     | P-001-000157461-06 |     | N/A     |

DEFINITIONS ADDED – SUBLIMIT OR SUBLIMITED ENDORSEMENT It is agreed that a new definition is added as follows: Wherever the following words appear in the policy, whether in bold or unbolded, they shall have the following meaning: Sublimitor sublimitedmeans any limit that is:

| 1. | part of and erodes another limit of insurance; or |

| 2. | not part of and does not erode the policy aggregate limit of insurance; or |

| 3. | less than the highest Limit of Insurance of the Followed Policy set forth in the Schedule of Underlying 
 Insurance, where this Policy does not have any applicable policy aggregate limit of insurance; or       |

| 4. | not a monetary limit of