Holding(s) in Company

In brief · summary, not quotable

Elliott Investment Management L.P., through its controlled entity Actis IDH Limited, has acquired a 21.67% stake in Integrated Diagnostics Holdings PLC, representing 125,973,403 voting rights. This acquisition, which received regulatory clearance on March 31, 2026, is part of a larger transaction announced on November 13, 2025, and is set to settle on April 9, 2026. The notification was made on April 8, 2026.

Full announcement

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Issuer Details

ISIN

JE00BLKGSR75

Issuer Name

INTEGRATED DIAGNOSTICS HOLDINGS PLC

UK or Non-UK Issuer

Non-UK issuer

Reason for Notification

An acquisition or disposal of voting rights

Details of person subject to the notification obligation

Name

Elliott Investment Management, L.P.

City of registered office (if applicable)

Delaware

Country of registered office (if applicable)

Details of the shareholder

Name	City of registered office	Country of registered office
Actis IDH Limited	Saint Peter Port	Guernsey

Date on which the threshold was crossed or reached

31-Mar-2026

Date on which Issuer notified

08-Apr-2026

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

Resulting situation on the date on which threshold was crossed or reached	21.67%	N/A	21.67%	125,973,403
Position of previous notification (if applicable)		N/A	N/A	N/A
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)
GB00B65TLW28	N/A	125,973,403	N/A	21.67%
Sub Total 8.A			125,973,403	21.67%

Financial Instruments according to (DTR5.3.1R.(1) (a))

Sub Total 8.B1

Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Sub Total 8.B2

Information in relation to the person subject to the notification obligation

Paul Singer	19.28%	19.28%
Elliott Investment Management GP LLC	19.28%	19.28%
Elliott Investment Management LP	19.28%	19.28%
Elliott International Limited	13.04%	13.04%
Elliott International, L.P.	13.26%	13.26%
Elliott Associates, L.P.	6.24%	6.24%
Devonian ICAV, acting solely on behalf of its sub-fund, Devonian Fund V	19.50%	19.50%
Ribbon Ventures Limited	21.67%	21.67%
Actis IDH Limited	21.67%	21.67%

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

Additional Information

As announced on 13 November 2025 by Integrated Diagnostics Holdings plc (the "Company"), Actis GP LLP and Actis Guernsey GP Limited, each, a subsidiary of Actis LLP and which through funds under their management control shares representing 21.67% of the Company (the "Actis Shareholding"), have agreed to dispose, by way of an indirect share sale of Actis IDH Limited, of the entire Actis Shareholding to a special purpose vehicle, the majority of which is controlled by funds managed by Elliott Investment Management L.P. (the "Transaction"). The Transaction, which at the time of the announcement was conditional on the receipt of regulatory clearance (which was received on 31 March 2026, at which point the transfer became unconditional), will settle on Thursday 9 April 2026.

Date of Completion

08-Apr-2026

Place Of Completion

London, United Kingdom

Notes

Name of ultimate controlling person A (chain 1)

Name of controlled undertaking B

Name of controlled undertaking C

Name of ultimate controlling person A (chain 2)

Name of controlled undertaking B

Name of controlled undertaking D

Name of ultimate controlling person A (chain3)

Name of controlled undertaking E

Name of controlled undertaking F

xvi Example: Correction of a previous notification.

Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.