Following a review process conducted with the assistance of its legal and financial advisors, the Kronos Bio Board of Directors has unanimously determined that the acquisition by Concentra is in the best interests of all Kronos Bio shareholders and has approved the Merger Agreement and related transactions. Pursuant and subject to the terms of the Merger Agreement, a wholly owned subsidiary of Concentra will commence a tender offer by May 14, 2025 to acquire all outstanding shares of Kronos Bio Common Stock. Closing of the Offer is subject to certain conditions, including the tender of Kronos Bio Common Stock representing at least a majority of the total number of outstanding shares (including any shares held by Concentra), the availability of at least $40.0 million of cash (net of transaction costs and other liabilities) at closing, and other customary closing conditions.