Blocklisting Interim Review

Henderson Strata Investments PLC
03 July 2006



                        BLOCKLISTING SIX MONTHLY RETURN

Information provided on this form must be typed or printed electronically.



To:  The FSA
Date: 3 July 2006


1. Name of applicant:


HENDERSON STRATA INVESTMENTS PLC



2. Name of scheme


HENDERSON INVESTMENT TRUST SHARE PLAN



3. Period of return:


From      01.01.06                 To     30.06.06



4. Balance under scheme from previous return:


327,008 ORDINARY SHARES



5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return


NIL



6. Number of securities issued/allotted under scheme during period:


NIL



7 Balance under scheme not yet issued/allotted at end of period


327,008



8. Number and class of securities originally listed and the date of admission


100,000 ORDINARY SHARES (MARCH 1996)



500,000 ORDINARY SHARES (MAY 1998)

-----------

600,000

-----------



9. Total number of securities in issue at the end of the period


10,729,414 ordinary shares (excluding 904,246 shares held in treasury)


Name of contact                G S RICE


Address of contact             4 BROADGATE, LONDON EC2M 2DA


Telephone number of contact    020 7818 4469









Signed by .........................................

G S Rice

For and on behalf of Henderson Secretarial Services Limited

Secretary to Henderson Strata Investments plc



If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.


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