Holding(s) in Company

In brief · summary, not quotable

Herald Investment Management Limited has notified Corero Network Security PLC that its voting rights have fallen to 0.000000% as of August 3, 2026, due to the transfer of portfolio management responsibilities for Herald Investment Trust plc to abrdn Fund Managers Limited. This change resulted from a delegation to abrdn Investments Limited, effective August 1, 2026, and no underlying shares were acquired or disposed of. Previously, on July 31, 2026, the holding was 5.30%, representing 27,139,775 shares.

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Issuer Details

ISIN

GB00B54X0432

Issuer Name

CORERO NETWORK SECURITY PLC

UK or Non-UK Issuer

UK

Reason for Notification

An acquisition or disposal of voting rights

Details of person subject to the notification obligation

Name

Herald Investment Management Limited

City of registered office (if applicable)

London

Country of registered office (if applicable)

United Kingdom

Details of the shareholder

Name

City of registered office

Country of registered office

Discretionary investment management clients of Herald Investment Management Limited

Date on which the threshold was crossed or reached

03-Aug-2026

Date on which Issuer notified

05-Aug-2026

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

Resulting situation on the date on which threshold was crossed or reached	0.000000	0.000000	0.000000	0
Position of previous notification (if applicable)
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)
GB00B54X0432			0	0.000000
Sub Total 8.A			0	0.000000%

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
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

If date does not apply, explain below

Additional Information

% of voting rights attached to shares as at 31 July 2026 was 5.30% (27,139,775 shares). Previous notification may pre-date the current FCA ESS system and so does not appear in the last row of section 7.