XBiotech Inc. Director Thomas Kuendig Ownership Disclosure

The filing discloses the ownership of XBiotech Inc. common stock by Thomas Kuendig, a director of the company. As of the period of report on August 29, 2025, Kuendig directly owns 200,000 shares of common stock. Additionally, he indirectly owns 50,000 shares through his daughter Stephanie Kuendig and another 50,000 shares through his daughter Michelle Kuendig. The filing confirms that Kuendig is not an officer or a ten percent owner of the company. The disclosure is made in accordance with SEC regulations and provides transparency regarding the ownership structure of XBiotech Inc.