Company: JPC
Filing Date: 2025-04-04
Form Type: N-CSRS
Source: 0001193125-25-073011
Chunk: 286

Company: Nuveen Preferred & Income Opportunities Fund
Filing Date: 2025-04-04
Form: N-CSRS
Chunk 286
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 Procedures. |

| (a) |     | The registrant’s principal executive and principal financial officers, or persons performing similar functions, have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”) (17 CFR 270.30a-3(c))) are effective, as of a date within 90 days of the filing date 
 of this report that includes the disclosure required by this paragraph, based on their evaluation of the controls and procedures required by Rule 30a-3(b) under the 1940 Act (17 CFR 270.30a-3(b)) and Rules 13a-15(b) or 15d-15(b) under the Securities Exchange Act of 1934, as amended (the “Exchange                                                                       
 Act”) (17 CFR 240.13a-15(b) or 240.15d-15(b)).                                                                                                                                                                                                                                                                                                                                  |

| (b) |     | There were no changes in the registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR                                                                  
 270.30a-3(d)) that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting. |

| Item 17. | Disclosure of Securities Lending Activities for Closed-End 
 Management Investment Companies.                           |

Not applicable.

| Item 18. | Recovery of Erroneously Awarded Compensation. |

| (a) |     | Not applicable. |

| (b) |     | Not applicable. |

| Item 19. | Exhibits. |

(a)(1) Not applicable to this filing.

(a)(2) Not applicable to
this filing.

(a)(3) Certifications pursuant to Rule 30a-2(a)under the Investment Company Act of 1940 and Section 302 of the Sarbanes-Oxley Act of 2002 are attached hereto.

(a)(4) Not applicable.

(a)(5) Change in the registrant’s independent public accountant. Filed herewith.

(b) Certification pursuant to Rule 30a-2(b)under the Investment Company Act of 1940 and Section 906 of the Sarbanes-Oxley Act of 2002 is attached hereto.

SIGNATURES