Company: PTY
Filing Date: 2025-05-16
Form Type: 8-K
Source: 0001193125-25-121828
Chunk: 0

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-05-16
Form: 8-K
Item: Item 8.01
Chunk 0
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Item 8.01 Other Events.

On May 15, 2025, PIMCO Corporate & Income Opportunity Fund (NYSE: PTY) (the “ Fund”) posted an amended and restated Section 19
Notice to its website at www. pimco. com that sets forth an estimate of the sources of the Fund’s distribution payable May 1, 2025 to shareholders of record on April 11, 2025.

SIGNATURE

Pursuant to the requirements
of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

  PIMCO Corporate & Income Opportunity Fund                            
  By:                                            /s/ Joshua D. Ratner  
  Name:                                          Joshua D. Ratner      
  Title:                                         President             

Date: May 16, 2025