TR-1: Notification of major holdings

Arix Bioscience PLC (ARIX) TR-1: Notification of major holdings 04-May-2022 / 07:00 GMT/BST Dissemination of a Regulatory Announcement, transmitted by EQS Group. The issuer is solely responsible for the content of this announcement. TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00BD045071 Issuer Name ARIX BIOSCIENCE PLC UK or Non-UK Issuer UK 2. Reason for Notification An acquisition or disposal of voting rights 3. Details of person subject to the notification obligation Name Acacia Research Corporation City of registered office (if applicable) Country of registered office (if applicable) 4. Details of the shareholder Name City of registered office Country of registered office Merton Acquisition Holdco LLC New York USA 5. Date on which the threshold was crossed or reached 28-Apr-2022 6. Date on which Issuer notified 03-May-2022 7. Total positions of person(s) subject to the notification obligation . % of voting rights attached to shares (total of 8.A) % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) Total of both in % (8.A + 8.B) Total number of voting rights held in issuer Resulting situation on the date on which threshold was crossed or reached 21.042072 0.000000 21.042072 27182317 Position of previous notification (if applicable) 20.541513 0.000000 20.541513 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares Class/Type of shares ISIN code(if possible) Number of direct voting rights (DTR5.1) Number of indirect voting rights (DTR5.2.1) % of direct voting rights (DTR5.1) % of indirect voting rights (DTR5.2.1) GB00BD045071 27182317 21.042072 Sub Total 8.A 27182317 21.042072% 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) Type of financial instrument Expiration date Exercise/conversion period Number of voting rights that may be acquired if the instrument is exercised/converted % of voting rights Sub Total 8.B1 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) Type of financial instrument Expiration date Exercise/conversion period Physical or cash settlement Number of voting rights % of voting rights Sub Total 8.B2 9. Information in relation to the person subject to the notification obligation 2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary) Ultimate controlling person Name of controlled undertaking % of voting rights if it equals or is higher than the notifiable threshold % of voting rights through financial instruments if it equals or is higher than the notifiable threshold Total of both if it equals or is higher than the notifiable threshold Acacia Research Corporation Merton Acquisition Holdco LLC 21.042072 21.042072% 10. In case of proxy voting Name of the proxy holder The number and % of voting rights held The date until which the voting rights will be held 11. Additional Information Merton Acquisition Holdco LLC is a wholly-owned subsidiary of Acacia Research Corporation. 12. Date of Completion 03-May-2022 13. Place Of Completion New York, New York, USA

ISIN:	GB00BD045071
Category Code:	HOL
TIDM:	ARIX
LEI Code:	213800OVT3AHQCXNIX43
OAM Categories:	2.3. Major shareholding notifications
Sequence No.:	159323
EQS News ID:	1342683

End of Announcement	EQS News Service