Name of applicant:

Caledonia Investments plc

Name of scheme:

Caledonia Investments plc Executive Share Option Scheme

Period of return:

From:

01 July 2009

To:

31 December 2009

Balance of unallotted securities under scheme(s) from previous return:

379,781 ordinary 5p shares

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

379,781 ordinary 5p shares

Name of contact:

G P Denison, Company Secretary

Telephone number of contact:

+44 (0)20 7802 8080