On 17 October 2025, a disclosure was released in connection with the privatisation of ENN Energy Holdings Limited by way of a scheme of arrangement under the Hong Kong Code on Takeovers and Mergers. The Executive received information pursuant to Rule 22, indicating that UBS AG, an exempt principal trader connected with ENN Energy Holdings Limited, engaged in securities dealings for its own account.

On 16 October 2025, UBS AG purchased 46,600 ordinary shares at a total amount of US$3,098,129.9947. The activity was described as hedging of Delta 1 products created from wholly unsolicited client-driven orders. The highest trading price was US$67.3000, while the lowest was US$66.4129. UBS AG is ultimately owned by UBS Group AG.