abrdn Global Infrastructure Income Fund (NYSE: ASGI) announced on September 11, 2026, that its Board of Trustees has approved the terms for a transferable rights offering. The Offering is designed to allow existing common shareholders to subscribe for new shares at a discount to the market price, subject to a sales load. The Board determined that the offering is in the best interests of the Fund and its shareholders, aiming to increase assets available for investment in the Fund's long-term strategy.

Common shareholders of record on September 21, 2026, will receive one transferable Right for each Common Share held. Holders may subscribe for one new Common Share for every three Rights held, with a minimum of one share available for shareholders holding fewer than three shares. No fractional shares will be issued. The subscription period is scheduled to begin on the Record Date and expire on October 15, 2026, unless extended. Rights are expected to trade on the New York Stock Exchange on a "when issued" basis under the symbol "ASGI RTWI" starting September 18, 2026, and will begin "regular way" trading under the symbol "ASGI RT" on or about September 22, 2026.

The subscription price will be determined on the Expiration Date and will equal 92.5% of the average of the closing market price of the Fund’s Common Shares on the Expiration Date and each of the four preceding trading days. If that amount is less than 92.5% of the Fund’s net asset value (NAV) per share at the close of trading on the Expiration Date, the subscription price will be 92.5% of NAV per share. Common Shares issued in the Offering will not be eligible to receive the distribution payable September 30, 2026, or the regular monthly distribution for October, which is expected to have a record date of October 6, 2026.

The Offering will be made under the Fund’s shelf registration statement, through a prospectus supplement and accompanying prospectus. The Fund expects to mail subscription certificates to Record Date Shareholders shortly following the Record Date. The Fund’s common shareholders will indirectly bear the offering expenses. Investors should read the prospectus supplement and accompanying prospectus, when available, and carefully consider the Fund's investment objective, risks, charges, and expenses before investing.