Citigroup becomes substantial shareholder in Boss Energy

On October 13, 2025, Citigroup Global Markets Australia Pty Limited and its related global entities officially became a substantial shareholder in Boss Energy Ltd, holding a combined voting power of 5.0126%. This equates to 20,798,306 ordinary fully paid shares.

The relevant interests are held by multiple Citigroup entities. Citibank, N.A. Sydney Branch holds 10,757,271 shares through securities lending agreements. Citigroup Global Markets Australia Pty Limited holds 3,433,830 shares, Citigroup Global Markets Inc holds 3,503,968 shares, and Citigroup Global Markets Limited holds 3,103,237 shares, all stemming from contracts in the ordinary course of business on a stock exchange.

The registered holders of these securities include various entities for Citibank, N.A. Sydney Branch, and Citicorp Nominees Pty Limited for Citigroup Global Markets Australia Pty Limited, Citigroup Global Markets Inc, and Citigroup Global Markets Limited. The acquisition of these interests occurred within the four months prior to the notification date.