Acer Invited to GS Taiwan Computex & Corporate Day Hosted by Goldman Sachs Securities

Clause 4, Article XX: 12 Date of factual occurrence: 2026/06/01 1. Date of the investors' conference: 2026/06/01 2. Time of the investors' conference: 09:00 3. Location of the investors' conference: Taipei W Hotel 4. Key information of the investors' conference: Our company has been invited to the GS Taiwan Computex & Corporate Day Jun 2026 hosted by Goldman Sachs Securities. We will use the aforementioned time and place to explain our publicly disclosed financial figures and operating performance to institutional investors. 5. Other matters to be noted: None Keywords: Material Information