Company: OIA
Filing Date: 2025-03-06
Form Type: POS EX
Source: 0001193125-25-048456
Chunk: 9

Company: Invesco Municipal Income Opportunities Trust
Filing Date: 2025-03-06
Form: POS EX
Chunk 9
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 distribution of securities:                                                                      |

The undersigned Registrant undertakes that in a primary offering
of securities of the undersigned Registrant pursuant to this registration statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the
following communications, the undersigned Registrant will be a seller to the purchaser and will be considered to offer or sell such securities to the purchaser:

| (1) | any preliminary prospectus or prospectus of the undersigned Registrant relating to the offering required to be 
 filed pursuant to Rule 424 under the Securities Act;                                                           |

| (2) | free writing prospectus relating to the offering prepared by or on behalf of the undersigned Registrant or used 
 or referred to by the undersigned Registrants;                                                                  |

| (3) | the portion of any other free writing prospectus or advertisement pursuant to Rule 482 under the Securities Act                                                         
 relating to the offering containing material information about the undersigned Registrant or its securities provided by or on behalf of the undersigned Registrant; and |

| (4) | any other communication that is an offer in the offering made by the undersigned Registrant to the purchaser. |

4. Registrant undertakes that:

| (a) | for the purpose of determining any liability under the Securities Act, the information omitted from the form of                                                                                                                                          
 prospectus filed as part of this registration statement in reliance upon Rule 430A and contained in a form of prospectus filed by the Registrant under Rule 424(b)(1) under the Securities Act shall be deemed to be part of this registration statement 
 as of the time it was declared effective; and                                                                                                                                                                                                            |

| (b) | for the purpose of determining any liability under the Securities Act, each post-effective amendment that                                                                                                                                  
 contains a form of prospectus shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of the securities at that time shall be deemed to be the initial bona fide offering thereof. |

5. The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act of 1933, each
filing of the Registrant’s annual report pursuant to Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 that is incorporated by reference into the registration statement shall be deemed to be a new registration
statement relating to the securities offered therein, and the