Company: PTY
Filing Date: 2025-09-25
Form Type: 40-17G
Source: 0001193125-25-217116
Chunk: 0

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-09-25
Form: 40-17G
Chunk 0
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PREMIUM BILL Date: July 22, 2025

| Insured:  |     | PIMCO FUNDS                          |
| Producer: |     | AON RISK INSURANCE SERVICES WEST INC |
|           |     | 707 WILSHIRE BLVD STE 2600           |
|           |     | ATTN COLLECTION MGR - CHARLA KNAPIK  |
|           |     | LOS ANGELES, CA 90017                |
| Company:  |     | Federal Insurance Company            |

THIS BILLING IS TO BE ATTACHED TO AND FORM A PART OF THE POLICY REFERENCED BELOW. Policy Number: J06915000 Policy Period: 07-01-2025to 07-01-2026 NOTE: PLEASE RETURN THIS BILL WITH REMITTANCE AND NOTE HEREON ANY CHANGES. BILL WILL BE RECEIPTED AND RETURNED TO YOU PROMPTLY UPON REQUEST. PLEASE REMIT TO PRODUCER INDICATED ABOVE. PLEASE REFER TO J06915000

| Product                                             |     | Effective Date |     |    Premium |
| Financial Institution Bond for Investment Companies |     | 07-01-2025     |     | $39,221.00 |

| TOTAL POLICY PREMIUM |     | $39,221.00 |

WHEN REMITTING PLEASE INDICATE POLICY OR CERTIFICATE NUMBER Form 26-10-0426 (Ed. 2/98)

| Financial Institution Bond 
 For Investment Companies   |

| DECLARATIONS                 
 Name of Assured: PIMCO FUNDS 
 Address of Assured:          
 650 NEWPORT CENTER DRIVE     
 NEWPORT BEACH, CA 92660      |     | FEDERAL INSURANCE COMPANY                                                                    
 Incorporated under the laws of Indiana, a stock insurance company, herein called the Company 
 One American Square 202 N Illinois Street,                                                   
 Suite 2600 Indianapolis, IN 46282                                                            
 Bond Number: J06915000                                                                       |

| Item 1. |     | Bond Period:                                          |     | From:                                               
 To:                                                 |     | July 1, 2025 
 July 1, 2026 |
|:--------|:----|:------------------------------------------------------|:----|:----------------------------------------------------|:----|:-------------|
|         |     |                                                       |     | At 12:01 A.M. local time at the Address of Assured. |     |              |
|