Shires Inc. Regulatory News (SHRS)

Shires Income PLC (the "Company")

Legal Entity Identifier (LEI): 549300HVCIHNQNZAYA89

PURCHASE OF OWN ORDINARY SHARES

On 12 September 2025, the Company purchased in the market 16,744 Ordinary shares at a price of 270.6154 pence per share. These shares will be held in treasury.

Following the transaction, the Company's share capital comprises:

39,808,856 Issued Ordinary shares (excluding treasury shares)

2,424,218 Ordinary shares held in treasury

42,233,074 Issued Ordinary shares (including treasury shares)

The total number of shares with voting rights in the Company is 39,808,856 and this 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 in, or a change to their interest in, the Company under the Disclosure Guidance and Transparency Rules.

For further information, please contact:

Gordon Hay Smith

abrdn Holdings Limited

Secretaries

Tel. 0131 372 9370