Company: PTY
Filing Date: 2025-09-25
Form Type: 40-17G
Source: 0001193125-25-217116
Chunk: 63

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-09-25
Form: 40-17G
Chunk 63
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 |     |           267860356 |     | Continental        
 Casualty           
 Company            |     | Single Loss Limit of Liability: 
 Aggregate Limit of Liability:   |     | $15,000,000 
 $N/A        |     | Not applicable |
| 3rd Excess   
 Bond         |     |           106544116 |     | Travelers          
 Casualty and       
 Surety Company     
 of America         |     | Single Loss Limit of Liability: 
 Aggregate Limit of Liability:   |     | $20,000,000 
 $N/A        |     | Not applicable |
| 4th Excess   
 Bond         |     | BFIV-45001524-   31 |     | Berkley Regional   
 Insurance          
 Company            |     | Single Loss Limit of Liability: 
 Aggregate Limit of Liability:   |     | $25,000,000 
 $N/A        |     | Not applicable |
| 5th Excess   
 Bond         |     |              P-001- 
        000157461-06 |     | AXIS Insurance     
 Company            |     | Single Loss Limit of Liability: 
 Aggregate Limit of Liability:   |     | $10,000,000 
 $N/A        |     | Not applicable |

All other terms, conditions and limitations of this Bond will remain unchanged. Complete the following only when this rider is not prepared with the Bond or is not to be effective with the Bond. Effective date of this rider:

| By: |     |                  |
|     |     | Attorney-in-Fact |

| 471-101   |     | Page 1 of 1 |
| Ed. 05/18 |     |             |

RIDER NUMBER: 3 NON-FOLLOW-FORMRIDER To be attached to and made a part of Bond No. 64-MGU-25-A60830,issued to PIMCO Funds by U.S. Specialty Insurance Company. In consideration of the premium charged, it is agreed that, notwithstanding anything in this Bond to the contrary, there shall be no coverage under this Bond for any loss pursuant to the following Insuring Agreement(s) of the Primary Bond: Social Engineering All other terms, conditions and limitations of this Bond will remain unchanged. Complete the following only when this rider is not prepared with the Bond or is not to be effective with the Bond. Effective date of this rider:

| By: |     |                  |
|     |     | Attorney-in-Fact |