As previously disclosed, on August 3, 2022, ChemoCentryx, Inc., a Delaware corporation (ChemoCentryx), entered into an Agreement and Plan of
Merger (the Merger Agreement) by and among ChemoCentryx, Amgen Inc., a Delaware corporation (Amgen), and Carnation Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Amgen (Merger Sub),
pursuant to and subject to the terms and conditions of which Merger Sub will be merged with and into ChemoCentryx (the Merger), with ChemoCentryx surviving the Merger as a wholly owned subsidiary of Amgen.
Also as previously disclosed, the special meeting of ChemoCentryxs stockholders to vote on a proposal to adopt and approve the Merger Agreement is
currently scheduled for October 18, 2022 (the Special Meeting).
The consummation of the Merger is conditioned upon, among other things,
the expiration or termination of the applicable waiting period (or any extension thereof) under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the HSR Act). Effective as of 11:59 p.m. Eastern Time on
September 16, 2022, the waiting period under the HSR Act expired with respect to the Merger.
ChemoCentryx and Amgen anticipate that the Merger will
be consummated promptly following the date of the Special Meeting, subject to receipt of the required approval of ChemoCentryxs stockholders at the Special Meeting and the satisfaction or waiver of the other conditions set forth in the Merger
Agreement.
Additional Information
This report may
be deemed solicitation material in respect of the proposed acquisition of ChemoCentryx by Amgen. On September 14, 2022, ChemoCentryx filed with the Securities and Exchange Commission (SEC) a definitive proxy statement and has filed
or may file with the SEC other relevant documents with respect to a special meeting of the stockholders of ChemoCentryx to approve the proposed Merger. Investors of ChemoCentryx are urged to read the definitive proxy statement and other relevant
materials carefully and in their entirety because they do or will, when filed, contain important information about ChemoCentryx, Amgen and the proposed Merger. Investors may obtain a free copy of these materials and other documents filed by
ChemoCentryx with the SEC at the SECs website at www.sec.gov, at ChemoCentryxs website at https://chemocentryx.com or by sending a written request to ChemoCentryx at 835 Industrial Road, Suite 600, San Carlos, CA 94070, Attention: Legal.
Participants in the Solicitation
ChemoCentryx and
its directors, executive officers and certain other members of management and employees may be deemed to be participants in soliciting proxies from its stockholders in connection with the proposed Merger. Information regarding the persons who may,
under the rules of the SEC, be considered to be participants in the solicitation of ChemoCentryxs stockholders in connection with the proposed Merger is set forth in ChemoCentryxs definitive proxy statement for its special stockholders
meeting. Additional information regarding these individuals and any direct or indirect interests they may have in the proposed Merger may be set forth in subsequent documents to be filed with the SEC and which can be obtained free of charge from the
sources indicated above.
Forward-Looking Statements
This report contains forward-looking statements. These forward-looking statements generally include statements that are predictive in nature and depend on or
refer to future events or conditions, and include words such as expect, anticipate, outlook, could, target, project, intend, plan, believe,
seek, estimate, should, may, assume and continue as well as variations of such words and similar expressions. By their nature, forward-looking statements involve risks and
uncertainty because they relate to events and depend on circumstances that will occur in the future, and there are many factors that could cause actual results and developments to differ materially from those expressed or implied by these
forward-looking statements. Forward-looking statements include, among other things, statements about the potential benefits of the proposed acquisition of ChemoCentryx by Amgen (the proposed transaction); the prospective performance and
outlook of ChemoCentryxs business, performance and opportunities; any potential strategic benefits, synergies or opportunities expected as a result of the proposed transaction; the ability of the parties to complete the proposed transaction
and the expected timing of completion of the proposed transaction; as well as any assumptions underlying any of the foregoing.