Holding(s) in Company

Henderson Opportunities Trust PLC
14 March 2007


TR-1:               NOTIFICATION OF MAJOR INTERESTS IN SHARES 

1. Identity of the issuer or the underlying issuer of existing      Henderson Opportunities Trust Plc
shares to which voting rights are attached:
2. Reason for the notification     (please tick the appropriate box or boxes)
An acquisition or disposal of voting rights
An acquisition or disposal of financial instruments which may result in the acquisition of
shares already issued to which voting rights are attached
An event changing the breakdown of voting rights
Other (please specify):    Initial Disclosure                                                     X
3. Full name of person(s) subject to the notification                      Apollo Fund plc
obligation:
4. Full name of shareholder(s) (if different from 3.):
5. Date of the transaction (and date on which the threshold is
crossed or reached if different):
6. Date on which issuer notified:                                             14/03/2007
7. Threshold(s) that is/are crossed or reached:                                   3%
8. Notified details:










A: Voting rights attached to shares
Class/type of       Situation previous to Resulting situation after the triggering transaction
shares              the Triggering
                    transaction
 if possible using  Number of  Number of  Number of   Number of voting rights   % of voting rights
the ISIN CODE       Shares     Voting     shares
                               Rights     Direct      Direct       Indirect     Direct       Indirect


Ordinary Share                            250,000                               3.05%

GB0008536574


B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument                           Period/ Date              that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



Total (A+B)
Number of voting rights                            % of voting rights
     250,000                                            3.05%












9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively
held, if applicable:



Proxy Voting:
10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease to hold:
12. Date on which proxy holder will cease to hold voting rights:


13. Additional information:
14. Contact name:
15. Contact telephone number:

Annex Notification Of Major Interests In Shares
A: Identity of the person or legal entity subject to the notification obligation
Full name (including legal form for legal entities)             Apollo Fund PLC
Contact address (registered office for legal entities)          Georges Court, 54-62 Townsend Street,
                                                           Dublin 2

                                                           Ireland
Phone number
Other useful information (at least legal representative
for legal persons)



B:        Identity of the notifier, if applicable
Full name                                                       James Hart
Contact address                                                 Cayenne Asset Management Limited, 23
                                                           Buckingham Gate, London SW1E 6LB
Phone number                                                    02072338899
Other useful information (e.g. functional relationship
with the person or legal entity subject to the
notification obligation)



C:        Additional information







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