Annual Information Update

Henderson Opportunities Trust PLC 25 February 2008 HENDERSON OPPORTUNITIES TRUST PLC HENDERSON GLOBAL INVESTORS 25 FEBRUARY 2008 HENDERSON OPPORTUNITIES TRUST PLC Annual Information Update Pursuant to Prospectus Rule 5.2, Henderson Opportunities Trust plc sets out below a brief description of the information published throughout the twelve months ended 22 February 2008 by or for the Company. Further details on the information may be obtained from the Company Secretary or from the Company's website (www.itshenderson.com). All information was notified to a RIS in London. Some of the information referred to below was provided as at a specific date and may now be out of date. RIS Announcements The following UK regulatory announcements have been made via RNS, a Regulatory Information Service. A copy of these announcements can be obtained from the London Stock Exchange website www.londonstockexchange.com/marketnews Net Asset Value(s) 2008-02-22 Net Asset Value(s) 2008-02-21 Net Asset Value(s) 2008-02-20 Net Asset Value(s) 2008-02-19 Net Asset Value(s) 2008-02-18 Net Asset Value(s) 2008-02-15 Net Asset Value(s) 2008-02-14 Monthly Fact Sheet 2008-02-14 Net Asset Value(s) 2008-02-13 Net Asset Value(s) 2008-02-12 Net Asset Value(s) 2008-02-11 Report and Accounts/Proxy 2008-02-11 Net Asset Value(s) 2008-02-08 Net Asset Value(s) 2008-02-07 Net Asset Value(s) 2008-02-06 Net Asset Value(s) 2008-02-05 Portfolio Update 2008-02-04 Net Asset Value(s) 2008-02-04 Net Asset Value(s) 2008-02-01 Net Asset Value(s) 2008-01-31 Net Asset Value(s) 2008-01-30 Net Asset Value(s) 2008-01-29 Final Results 2008-01-28 Director/PDMR Shareholding 2008-01-28 Director/PDMR Shareholding 2008-01-28 Net Asset Value(s) 2008-01-28 Net Asset Value(s) 2008-01-25 Net Asset Value(s) 2008-01-24 Net Asset Value(s) 2008-01-23 Net Asset Value(s) 2008-01-22 Net Asset Value(s) 2008-01-21 Net Asset Value(s) 2008-01-18 Net Asset Value(s) 2008-01-17 Net Asset Value(s) 2008-01-16 Net Asset Value(s) 2008-01-15 Holding(s) in Company 2008-01-14 Net Asset Value(s) 2008-01-14 Net Asset Value(s) 2008-01-11 Monthly Fact Sheet 2008-01-11 Net Asset Value(s) 2008-01-10 Net Asset Value(s) 2008-01-09 Net Asset Value(s) 2008-01-08 Net Asset Value(s) 2008-01-07 Net Asset Value(s) 2008-01-04 Net Asset Value(s) 2008-01-03 Director/PDMR Shareholding 2008-01-02 Net Asset Value(s) 2008-01-02 Blocklisting Interim Review 2008-01-02 Blocklisting Interim Review 2008-01-02 Net Asset Value(s) 2007-12-28 Net Asset Value(s) 2007-12-27 Net Asset Value(s) 2007-12-21 Net Asset Value(s) 2007-12-20 Net Asset Value(s) 2007-12-19 Net Asset Value(s) 2007-12-18 Net Asset Value(s) 2007-12-17 Monthly Fact Sheet 2007-12-14 Net Asset Value(s) 2007-12-14 Net Asset Value(s) 2007-12-13 Net Asset Value(s) 2007-12-12 Net Asset Value(s) 2007-12-11 Net Asset Value(s) 2007-12-10 Net Asset Value(s) 2007-12-07 Net Asset Value(s) 2007-12-06 Net Asset Value(s) 2007-12-05 Net Asset Value(s) 2007-12-04 Net Asset Value(s) 2007-12-03 Net Asset Value(s) 2007-11-30 Holding(s) in Company 2007-11-30 Net Asset Value(s) 2007-11-29 Net Asset Value(s) 2007-11-28 Net Asset Value(s) 2007-11-27 Director/PDMR Shareholding 2007-11-27 Net Asset Value(s) 2007-11-26 Net Asset Value(s) 2007-11-23 Net Asset Value(s) 2007-11-22 Net Asset Value(s) 2007-11-21 Net Asset Value(s) 2007-11-20 Net Asset Value(s) 2007-11-19 Net Asset Value(s) 2007-11-16 Net Asset Value(s) 2007-11-15 Net Asset Value(s) 2007-11-14 Monthly Fact Sheet 2007-11-14 Net Asset Value(s) 2007-11-13 Net Asset Value(s) 2007-11-12 Net Asset Value(s) 2007-11-09 Net Asset Value(s) 2007-11-08 Net Asset Value(s) 2007-11-07 Net Asset Value(s) 2007-11-06 Net Asset Value(s) 2007-11-05 Holding(s) in Company 2007-11-05 Net Asset Value(s) 2007-11-02 Portfolio Update 2007-11-02 Net Asset Value(s) 2007-11-01 Transactions in Close Period 2007-11-01 Net Asset Value(s) 2007-10-31 Net Asset Value(s) 2007-10-30 Net Asset Value(s) 2007-10-29 Net Asset Value(s) 2007-10-26 Director/PDMR Shareholding 2007-10-26 Net Asset Value(s) 2007-10-25 Net Asset Value(s) 2007-10-24 Net Asset Value(s) 2007-10-23 Net Asset Value(s) 2007-10-22 Net Asset Value(s) 2007-10-19 Net Asset Value(s) 2007-10-18 Net Asset Value(s) 2007-10-17 Net Asset Value(s) 2007-10-16 Monthly Fact Sheet 2007-10-16 Net Asset Value(s) 2007-10-15 Net Asset Value(s) 2007-10-12 Net Asset Value(s) 2007-10-11 Net Asset Value(s) 2007-10-10 Net Asset Value(s) 2007-10-09 Net Asset Value(s) 2007-10-08 Net Asset Value(s) 2007-10-05 Net Asset Value(s) 2007-10-04 Net Asset Value(s) 2007-10-03 Net Asset Value(s) 2007-10-02 Net Asset Value(s) 2007-10-01 Net Asset Value(s) 2007-09-28 Net Asset Value(s) 2007-09-27 Net Asset Value(s) 2007-09-26 Director/PDMR Shareholding 2007-09-26 Net Asset Value(s) 2007-09-25 Net Asset Value(s) 2007-09-24 Net Asset Value(s) 2007-09-21 Net Asset Value(s) 2007-09-20 Net Asset Value(s) 2007-09-19 Net Asset Value(s) 2007-09-18 Net Asset Value(s) 2007-09-17 Net Asset Value(s) 2007-09-14 Monthly Fact Sheet 2007-09-14 Net Asset Value(s) 2007-09-13 Net Asset Value(s) 2007-09-12 Net Asset Value(s) 2007-09-11 Net Asset Value(s) 2007-09-10 Net Asset Value(s) 2007-09-07 Net Asset Value(s) 2007-09-06 Net Asset Value(s) 2007-09-05 Net Asset Value(s) 2007-09-04 Net Asset Value(s) 2007-09-03 Net Asset Value(s) 2007-08-31 Net Asset Value(s) 2007-08-30 Net Asset Value(s) 2007-08-29 Director/PDMR Shareholding 2007-08-29 Net Asset Value(s) 2007-08-28 Net Asset Value(s) 2007-08-24 Net Asset Value(s) 2007-08-23 Net Asset Value(s) 2007-08-22 Net Asset Value(s) 2007-08-21 Net Asset Value(s) 2007-08-20 Net Asset Value(s) 2007-08-17 Net Asset Value(s) 2007-08-16 Net Asset Value(s) 2007-08-15 Net Asset Value(s) 2007-08-14 Net Asset Value(s) 2007-08-13 Monthly Fact Sheet 2007-08-10 Net Asset Value(s) 2007-08-10 Net Asset Value(s) 2007-08-09 Net Asset Value(s) 2007-08-08 Net Asset Value(s) 2007-08-07 Net Asset Value(s) 2007-08-06 Net Asset Value(s) 2007-08-03 Net Asset Value(s) 2007-08-02 Portfolio Update 2007-08-02 Net Asset Value(s) 2007-08-01 Net Asset Value(s) 2007-07-31 Net Asset Value(s) 2007-07-30 Net Asset Value(s) 2007-07-27 Net Asset Value(s) 2007-07-26 Director/PDMR Shareholding 2007-07-26 Net Asset Value(s) 2007-07-25 Net Asset Value(s) 2007-07-24 Blocklisting Interim Review 2007-07-23 Blocklisting Interim Review 2007-07-23 Net Asset Value(s) 2007-07-23 Net Asset Value(s) 2007-07-20 Net Asset Value(s) 2007-07-19 Net Asset Value(s) 2007-07-18 Net Asset Value(s) 2007-07-17 Monthly Fact Sheet 2007-07-16 Net Asset Value(s) 2007-07-16 Net Asset Value(s) 2007-07-13 Net Asset Value(s) 2007-07-12 Net Asset Value(s) 2007-07-11 Net Asset Value(s) 2007-07-10 Net Asset Value(s) 2007-07-09 Net Asset Value(s) 2007-07-06 Net Asset Value(s) 2007-07-05 Net Asset Value(s) 2007-07-04 Half Year Report 2007-07-04 Net Asset Value(s) 2007-07-03 Net Asset Value(s) 2007-07-02 Net Asset Value(s) 2007-06-29 Net Asset Value(s) 2007-06-28 Net Asset Value(s) 2007-06-27 Director/PDMR Shareholding 2007-06-26 Net Asset Value(s) 2007-06-26 Net Asset Value(s) 2007-06-25 Net Asset Value(s) 2007-06-22 Net Asset Value(s) 2007-06-21 Interim Results 2007-06-20 Net Asset Value(s) 2007-06-20 Net Asset Value(s) 2007-06-19 Monthly Fact Sheet 2007-06-18 Net Asset Value(s) 2007-06-18 Net Asset Value(s) 2007-06-15 Net Asset Value(s) 2007-06-14 Net Asset Value(s) 2007-06-13 Net Asset Value(s) 2007-06-12 Net Asset Value(s) 2007-06-11 Net Asset Value(s) 2007-06-08 Net Asset Value(s) 2007-06-07 Net Asset Value(s) 2007-06-06 Net Asset Value(s) 2007-06-05 Net Asset Value(s) 2007-06-04 Net Asset Value(s) 2007-06-01 Net Asset Value(s) 2007-05-31 Net Asset Value(s) 2007-05-30 Director/PDMR Shareholding 2007-05-29 Net Asset Value(s) 2007-05-29 Net Asset Value(s) 2007-05-25 Net Asset Value(s) 2007-05-24 Net Asset Value(s) 2007-05-23 Net Asset Value(s) 2007-05-22 Net Asset Value(s) 2007-05-21 Net Asset Value(s) 2007-05-18 Monthly Fact Sheet 2007-05-18 Net Asset Value(s) 2007-05-17 Net Asset Value(s) 2007-05-16 Net Asset Value(s) 2007-05-15 Net Asset Value(s) 2007-05-14 Net Asset Value(s) 2007-05-11 Net Asset Value(s) 2007-05-10 Net Asset Value(s) 2007-05-09 Net Asset Value(s) 2007-05-08 Net Asset Value(s) 2007-05-04 Net Asset Value(s) 2007-05-03 Net Asset Value(s) 2007-05-02 Portfolio Update 2007-05-02 Net Asset Value(s) 2007-05-01 Net Asset Value(s) 2007-04-30 Net Asset Value(s) 2007-04-27 Net Asset Value(s) 2007-04-26 Director/PDMR Shareholding 2007-04-26 Net Asset Value(s) 2007-04-25 Net Asset Value(s) 2007-04-24 Net Asset Value(s) 2007-04-23 Net Asset Value(s) 2007-04-20 Net Asset Value(s) 2007-04-19 Monthly Fact Sheet 2007-04-18 Net Asset Value(s) 2007-04-18 Net Asset Value(s) 2007-04-17 Net Asset Value(s) 2007-04-16 Net Asset Value(s) 2007-04-13 Net Asset Value(s) 2007-04-12 Net Asset Value(s) 2007-04-11 Net Asset Value(s) 2007-04-10 Net Asset Value(s) 2007-04-05 Net Asset Value(s) 2007-04-04 Net Asset Value(s) 2007-04-03 Net Asset Value(s) 2007-04-02 Net Asset Value(s) 2007-03-30 Holding(s) in Company 2007-03-29 Net Asset Value(s) 2007-03-29 Net Asset Value(s) 2007-03-28 Net Asset Value(s) 2007-03-27 Director/PDMR Shareholding 2007-03-27 Net Asset Value(s) 2007-03-26 Net Asset Value(s) 2007-03-23 Net Asset Value(s) 2007-03-22 Net Asset Value(s) 2007-03-21 Net Asset Value(s) 2007-03-20 Net Asset Value(s) 2007-03-19 Holding(s) in Company 2007-03-19 Net Asset Value(s) 2007-03-16 Monthly Fact Sheet 2007-03-16 Net Asset Value(s) 2007-03-15 Net Asset Value(s) 2007-03-14 Holding(s) in Company 2007-03-14 Net Asset Value(s) 2007-03-13 Net Asset Value(s) 2007-03-12 Net Asset Value(s) 2007-03-09 Net Asset Value(s) 2007-03-08 Net Asset Value(s) 2007-03-07 Net Asset Value(s) 2007-03-06 Net Asset Value(s) 2007-03-05 Net Asset Value(s) 2007-03-02 Net Asset Value(s) 2007-03-01 Net Asset Value(s) 2007-02-28 Director/PDMR Shareholding 2007-02-27 Net Asset Value(s) 2007-02-27 Net Asset Value(s) 2007-02-26 Net Asset Value(s) 2007-02-23 Net Asset Value(s) 2007-02-22 Documents filed at Companies House The Company has made the following filings with the Registrar of Companies in England and Wales. Copies of these documents can be obtained from Companies House, Crown Way, Cardiff, CF14 3UZ (www.companieshouse.gov.uk). Document Date Annual Return made up to 04/01/2008 25/01/2008 Certificate 19 - Reduction of Share Premium 02/03/2007 Reduction of Share Premium account 02/03/2007 Full accounts made up to 31/10/2006 03/03/2007 AGM Resolutions: 27/02/2007 Disapply pre-emption rights 15/02/2007 Authority to allotment of security 15/02/2007 Share purchase - ENDS - For further information, please contact: James Henderson Portfolio Manager Henderson Opportunities Trust Telephone: 020 7818 4370 James de Sausmarez Head of Investment Trusts Henderson Global Investors Telephone: 020 7818 3349 This information is provided by RNS The company news service from the London Stock Exchange

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