Business
Director/PDMR Shareholding
Caledonia Investments plc announced that on February 27, 2026, Fiduchi Trustees (UK) Limited, as trustee of the Caledonia Investments Share Incentive Plan, purchased 172 ordinary shares. Specifically, executive directors Mathew Masters and Robert Memmott each acquired 43 Partnership Shares at 349.005p per share, and were awarded 43 Matching Shares each for nil consideration, increasing their total holdings within the SIP to 920 shares. Disclaimer*

About this update from Caledonia Investments Plc
Caledonia Investments plc Notification of transactions of persons discharging managerial responsibilities ("PDMR") or persons closely associated with them ("PCA") Pursuant to the requirements of the UK Market Abuse Regulation ("MAR"), Caledonia Investments plc ("Caledonia" or the "Company") announces that on 27 February 2026, Fiduchi Trustees (UK) Limited, as trustee of the Caledonia Investments Share Incentive Plan (the "SIP"), purchased 172 ordinary shares of 0.5p (each a "Share" and together, "Shares") in the capital of the Company on behalf of the following executive directors. In accordance with the terms of the SIP, each eligible participating employee can purchase Partnership Shares using monthly contributions deducted from salary, and the Company awards one Matching Share for every Partnership Share purchased by participating employees. 43 Partnership Shares were acquired by each of Mathew Masters and Robert Memmott at 349.005p per Share. A total of 43 Matching Shares were therefore awarded to each on the same date for nil consideration. The following table provides a summary of the SIP awards. Executive director Number of Partnership Shares purchased Number of Matching Shares awarded Total number of shares held within the SIP M S D Masters 43 43 920 R W Memmott 43 43 920 Further information required by the MAR in relation to these transactions is set out in the appendix below. Enquiries: Alex Pollard Senior Assistant Company Secretary Tel: + 44 20 7802 8080 2 March 2026 APPENDIX 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Mathew Simon Dexter Masters 2 Reason for the notification a) Position/status Executive Director/Chief Executive Officer b) Initial notification /Amendment Initial notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Caledonia Investments plc b) LEI 2138002FX1MYCA5ZZH32 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial instrument, type of instrument Identification code Ordinary 0.5p shares GB00BTNQ8K38 b) Nature of the transaction Purchase of Partnership Shares under the Caledonia Investments Share Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) £ 3.49005 43 d) Aggregated information - Aggregated volume - Price N/A (single transaction) e) Date of the transaction 27 February 2026 f) Place of the transaction XLON 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial instrument, type of instrument Identification code Ordinary 0.5p shares GB00BTNQ8K38 b) Nature of the transaction Award of Matching Shares under Caledonia Investments Share Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 43 d) Aggregated information - Aggregated volume - Price N/A (single transaction) e) Date of the transaction 27 February 2026 f) Place of the transaction Outside a trading venue 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Robert William Memmott 2 Reason for the notification a) Position/status Executive Director/Chief Financial Officer b) Initial notification /Amendment Initial notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Caledonia Investments plc b) LEI 2138002FX1MYCA5ZZH32 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial instrument, type of instrument Identification code Ordinary 0.5p shares GB00BTNQ8K38 b) Nature of the transaction Purchase of Partnership Shares under the Caledonia Investments Share Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) £ 3.49005 43 d) Aggregated information - Aggregated volume - Price N/A (single transaction) e) Date of the transaction 27 February 2026 f) Place of the transaction XLON 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial instrument, type of instrument Identification code Ordinary 0.5p shares GB00BTNQ8K38 b) Nature of the transaction Award of Matching Shares under Caledonia Investments Share Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 43 d) Aggregated information - Aggregated volume - Price N/A (single transaction) e) Date of the transaction 27 February 2026 f) Place of the transaction Outside a trading venue
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