XBiotech Commences Tender Offer to Purchase up to $420,000,000 of its Shares

XBiotech Inc. (NASDAQ: XBIT) (“XBiotech”) announced today that it commenced a “modified Dutch auction” tender offer to purchase up to $420,000,000 of its common shares, or such lesser number of common shares as are properly tendered and not properly withdrawn, at a price not less than $30.00 nor greater than $33.00 per common share, to the seller in cash, less any applicable withholding taxes and without interest (the “Offer”). The Offer is made upon the terms and subject to the conditions described in the offer to purchase and in the related letter of transmittal. The closing price of XBiotech’s common shares on the NASDAQ Global Select Market on January 13, 2020, the last full trading day before the commencement of the Offer, was $18.62 per share. The Offer is scheduled to expire at 5:00 p.m., New York City time, on February 12, 2020, unless the Offer is extended.

XBiotech believes that the Offer represents an efficient mechanism to provide XBiotech’s stockholders with the opportunity to tender all or a portion of their stock and thereby receive a return of some or all of their investment in XBiotech if they so elect. The Offer provides stockholders with an opportunity to obtain liquidity with respect to all or a portion of their stock without the potential disruption to XBiotech’s stock price.

The Offer is not contingent upon obtaining any financing. However, the Offer is subject to a number of other terms and conditions, which are described in detail in the offer to purchase. Specific instructions and a complete explanation of the terms and conditions of the Offer will be contained in the offer to purchase, the letter of transmittal and the related materials, which will be mailed to stockholders of record shortly after commencement of the Offer.

None of XBiotech, the members of its Board of Directors (including the Independent Committee who authorized the Offer), the information agent or the depositary makes any recommendation as to whether any stockholder should participate or refrain from participating in the Offer or as to the price or prices at which stockholders may choose to tender their shares in the Offer.

D.F. King & Co., Inc. will serve as information agent for the Offer. Stockholders with questions, or who would like to receive additional copies of the Offer documents may call D.F. King at (212) 269-5550 (banks and brokers) or (866) 856-3065 (all others).

About XBiotech
XBiotech is a fully integrated, global biopharmaceutical company dedicated to pioneering the discovery, development and commercialization of therapeutic antibodies. XBiotech currently is advancing a pipeline of therapies by harnessing naturally occurring antibodies from patients with immunity to certain diseases. Utilizing natural human immunity as a source of new medicines offers the potential to redefine the standards of care for a wide range of diseases.  The discovery and manufacturing techniques which enable this were designed by and are exclusive to XBiotech. Headquartered in Austin, Texas, XBiotech also leads the development of innovative, proprietary manufacturing technology to reduce the cost and complexity of biological drug production. For more information, visit www.xbiotech.com.

About True Human™ Therapeutic Antibodies
XBiotech’s True Human™ antibodies are the only available antibodies derived without modification from humans who possess natural immunity to certain diseases. (Unlike all commercially available antibodies, which are called “Humanized” or “Fully Human,” XBiotech’s True Human™ antibodies are directly sourced from the natural human immune response for specific diseases without modification, and thereby have not been shown to cause immunogenicity.) With discovery and clinical programs across multiple disease areas, XBiotech’s True Human antibodies have the potential to harness the body’s natural immunity to fight disease with unprecedented safety, efficacy, and tolerability.