Regulatory Alert

MIAX Pearl

March 16, 2023 | 12:00 PM

MIAX Exchange Group - Options Markets - Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options and MIAX Emerald Options for Symbol AMAM Effective Friday, March 17, 2023

Ambrx Biopharma Inc. (“AMAM”) will transfer primary listing from the New York Stock Exchange to the NASDAQ Stock Market (“NASDAQ”) on Friday, March 17, 2023.

MIAX Options, MIAX Pearl Options and MIAX Emerald Options will use NASDAQ as the “market for the underlying security” for the purpose of Openings on the Exchange.

Please refer to the following for more information.

Please direct questions to the Regulatory Department at Regulatory@miaxglobal.com or (609) 897-7309.