Holding(s) in Company

In brief · summary, not quotable

Pentwater Capital Management LP has notified Oxford BioDynamics PLC of a change in its major holding, with its total position now standing at 8.927966% of shares outstanding, a decrease from its previous holding of 11.652537%. This notification is due to an acquisition or disposal of shares and an event changing the breakdown of shares outstanding, with the threshold crossing date recorded as 27/08/2026. The total number of shares outstanding held by the issuer is 1,200,000,000.00.

Full announcement

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1a. Identity of the issuer or the underlying issuer of existing shares:

Oxford BioDynamics PLC

Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate)

Non-UK issuer

Reason for the notification (please mark the appropriate box or boxes with an “X”)

An acquisition or disposal of shares	X
An acquisition or disposal of financial instruments
An event changing the breakdown of shares outstanding	X
Other (please specify):
3. Details of person subject to the notification obligation
Name	Pentwater Capital Management LP
City and country of registered office (if applicable)	Naples , United States
4. Full name of shareholder(s) (if different from 3.)
Name
City and country of registered office (if applicable)
5. Date on which the threshold was crossed or reached:	27/08/2026
6. Date on which issuer notified (DD/MM/YYYY):	27/08/2026

Total positions of person(s) subject to the notification obligation

Resulting situation on the date on which threshold was crossed or reached	8.927966	8.927966	1,200,000,000.00
Position of previous notification (if applicable)		11.652537	11.652537
A: Shares
Direct	Indirect	Direct	Indirect
Equity: GB00BD5H8572		1,200,000,000.00	8.927966%
SUBTOTAL 8. A		1,200,000,000.00	8.927966%

B 1: Financial Instruments as an entitlement to acquire

SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect

SUBTOTAL 8.B.2

Matthew Halbower

MCH PWCM Holdings Inc.

Pentwater Capital Management LP	8.927966	8.927966
10. Additional information
Place of completion		Naples
Date of completion		27/08/2026

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