Item 3.02 Unregistered Sale of Equity Securities.

In its monthly closing for October 2026, Macquarie Infrastructure Income Opportunities Fund (the "Company") sold shares of its Class J common shares of beneficial interest (the "Shares") as of October 1, 2026 for aggregate consideration of $17.55 million. The number of Shares to be issued was finalized on October 28, 2026. The purchase price per Share of each class of Shares equaled the Fund's net asset value ("NAV") per Share as of September 30, 2026. The following table details the Shares sold:

The offer and sale of the Shares were made as part of the Company's continuous private offering and were exempt from the registration requirements of the Securities Act of 1933, as amended (the "1933 Act"), pursuant to Section 4(a)(2) thereof and Regulation D or Regulation S thereunder, as applicable. The Company relied upon representations from investors in their subscription agreements that each investor was either (i) an "accredited investor" as defined in Regulation D under the 1933 Act or (ii) not a "U.S. person" as defined in Regulation S under the 1933 Act.

Item 8.01 Other Events.

Net Asset Value

The net asset value ("NAV") per Share as of September 30, 2026, as determined in accordance with the Company's valuation policy, is set forth below.

As of September 30, 2026, the Company's aggregate NAV was approximately $701.8 million.

October Distribution

The Company announced the declaration of regular monthly distributions for shareholders of record as of the close of business October 30, 2026 for its Class J Shares in the amount of $0.1481 per Share. The distribution will be paid on or about December 4, 2026. The distributions will be paid in cash or reinvested in Shares for shareholders participating in the Company's distribution reinvestment plan.