National Storage Mechanism | Additional information

8 August 2025

Rockwood Strategic plc
("RKW" or the "Company")

Issue of Equity and TVR

On 7 August 2025, the Company agreed to issue 100,000 ordinary shares of 5 pence each at a price of 282.76 pence per share from its blocklisting facility. The shares will be issued for cash on 11 August 2025.

On 11 August 2025, the Company's issued share capital will consist of 46,942,840 ordinary shares and there are no shares held in treasury. Therefore, the total number of voting rights in the Company will be 46,942,840.

The above figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest, or a change to their interest, in the Company under the FCA's Disclosure Guidance and Transparency Rules.

For further information, please contact:

Rockwood Strategic plc

Chairman

Noel Lamb

07903 248 198

Rockwood Asset Management

Investment Manager

Christopher Hart

020 7640 3200

Singer Capital Markets Advisory LLP

James Maxwell

James Fischer

020 7496 3000

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