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Ambrx Biopharma, Inc., or Ambrx, announced that it has entered into a definitive agreement pursuant to which Johnson & Johnson will acquire all of the outstanding shares of Ambrx for $28.00 per share in cash, representing an approximately 105% premium to Ambrx’s closing stock price on January 5, 2024, for a total equity value of approximately $2.0 billion.

Johnson & Johnson (NYSE: JNJ) announced today it has successfully completed the acquisition of Ambrx Biopharma, Inc.

Ambrx Biopharma, Inc., or Ambrx, announced that the Company will be added to the NASDAQ Biotechnology Index, effective prior to the market open on Monday, December 18, 2023.

Ambrx Biopharma, Inc., announced that its shareholders approved a proposal to adopt the merger agreement entered into between the Company and Johnson & Johnson at its Special Meeting of Shareholders.

Ambrx Biopharma Inc., Ambrx (or the “Company”) (NASDAQ: AMAM), today announced that Daniel J. O’Connor, Chief Executive Officer and President of Ambrx, will participate in a fireside chat and one-on-one meetings at the Cantor Fitzgerald Global Healthcare conference, being held in New York, NY.

Ambrx Biopharma Inc., Ambrx (or the “Company”) (NASDAQ: AMAM), today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to Ambrx’s proprietary anti-PSMA antibody-drug conjugate (ADC) investigational therapy, ARX517, for the treatment of patients with metastatic castration-resistant prostate cancer (mCRPC) upon progression on an androgen receptor pathway inhibitor.

The pharmaceutical giant will pay $28 a share to acquire Ambrx’s pipeline of ADCs, particularly its lead candidate for prostate cancer.

Ambrx Biopharma Inc., Ambrx (or the “Company”) (NASDAQ: AMAM), today announced that Daniel J. O’Connor, Chief Executive Officer and President of Ambrx, will present a corporate overview and participate in one-on-one meetings at the Baird Global Healthcare Conference and the Morgan Stanley 21st Annual Global Healthcare Conference, both being held in New York, NY.

Ambrx Biopharma Inc., Ambrx, announced that it will host an in-person key opinion leader event during the European Society for Medical Oncology Congress 2023.