Acquisition | MURAL ONCOLOGY PLC | 5th December 2025

Initially announced on August 20, 2025 XOMA CORP made a cash offer for MURAL ONCOLOGY PLC of USD 2.035 per MURAL ONCOLOGY PLC share held. Pending the completion of customary closing conditions, the Acquisition is expected to be completed on December 5, 2025. Trading in shares of MURAL ONCOLOGY PLC is expected to be halted effective December 5, 2025.

The treatment below will be applied to the following indices:

• MURAL ONCOLOGY PLC will be removed from the Index.
• The weight of MURAL ONCOLOGY PLC (MURA.OQ) based on its last close price will be distributed pro rata to remaining Index constituents.
• Effective Date (open): 05/12/2025

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