Transaction in Own Shares

Henderson Strata Investments PLC
18 August 2006

HENDERSON STRATA INVESTMENTS PLC

HENDERSON GLOBAL INVESTORS

18 August 2006



                        HENDERSON STRATA INVESTMENTS PLC

            Market Purchase by the Company of its own Ordinary Shares



Henderson Strata Investments plc hereby gives notification that, pursuant to the
authority granted to the Company at the Annual General Meeting on 9 February
2006 to make market purchases of the Company's own shares, a market purchase of
6,806 ordinary shares of 25p each of the Company was made today at a price of
567.8531p per share.

Following the purchase and cancellation of the above shares, 10,126,283 ordinary
shares of 25p each will remain in issue.

                                     ENDS-

For further information please contact:

Colin Hughes

Henderson Strata Investments plc

Telephone: [phone]

or

James de Sausmarez

Head of Investment Trusts

Henderson Global Investors

Telephone: [phone]




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