Holding(s) in Company

TR-1:      NOTIFICATION OF MAJOR INTERSTS IN SHARES


1. Identity of the issuer or the underlying issuer of existing   Jupiter Second Enhanced Income Trust
shares to which voting rights are attached:                                       PLC
2. Reason for the notification
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              Jupiter Asset Management Limited
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:                                            19 March 2007

7. Threshold(s) that is/are crossed or reached:                                   5%
8. Notified details:
A: Voting rights attached to shares
Class/type   Situation previous   Resulting situation after the triggering transaction
of shares    to the Triggering
            transaction
  1.         Number of Number of  Number of Number of voting        % of voting rights
             Shares    Voting     shares    rights
                      Rights
                                   Direct    Direct      Indirect    Direct      Indirect
Geared
Growth
shares                           6,145,366   6,145,366    0           4.89

Zero
Dividend
Pref Shares                        723,411     723,411    0           0.58


Units                               25,000      50,000    0           0.04


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

Total (A+B)
Number of voting rights                            % of voting rights
6,918,777                                          5.51

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

The shares will appear on the register in the of Nortrust Nominees Limited

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:                          Jenny Thompson

15. Contact telephone number:              020 7314 5565

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)      Jupiter Asset Management Limited
                                                         1 Grosvenor Place
Contact address (registered office for legal entities)   London SW1X 7JJ



Phone number                                             020 7412 0703

Other useful information (at least legal representative
for legal persons)

B:   Identity of the notifier, if applicable

Full name

Contact address

Phone number

Other useful information (e.g. functional relationship
with the person or legal entity subject to the
notification obligation)

C:   Additional information