Holding(s) in Company

SCHEDULE 10


NOTIFICATION OF MAJOR INTERESTS IN SHARES

1)  Name of company

JUPITER SECOND ENHANCED INCOME TRUST PLC

2)  Name of shareholder having a major interest

NORTRUST NOMINEES LIMITED as nominee for the Jupiter ISA, PEP and Savings Scheme

3)  Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a non-beneficial
interest or in the case of an individual holder if it is a holding of that
person's spouse or children under the age of 18

IN RESPECT OF 2 ABOVE AND NON- BENEFICIAL

4)  Name of the registered holder(s) and, if more than one holder, the number
of shares held by each of them

NORTRUST NOMINEES LIMITED

5)  Number of shares/amount of stock acquired

NOT NOTIFIED

6)  Percentage of issued class

NOT NOTIFIED

7)  Number of shares/amount of stock disposed

NOT NOTIFIED

8)  Percentage of issued class

NOT NOTIFIED

9)  Class of security

GEARED INCOME SHARES OF 1P EACH
ZERO DIVIDEND PREFERENCE SHARES OF 1P EACH

10) Date of transaction

N/A

11) Date company became aware of holding

N/A

12) Total holding following this notification

4,769,546 GEARED INCOME SHARES
3,008,093 ZERO DIVIDEND PREFERENCE SHARES

13) Total percentage holding of issued class following this notification

7.59 % GEARED INCOME SHARES
4.79 % ZERO DIVIDEND PREFERENCE SHARES

14) Any additional information

Jupiter Second Enhanced Income Trust plc announces that Jupiter Asset Management
Limited (`Jupiter') has a notifiable interest in 4,769,546 Geared Income shares,
being 7.59 per cent. of the total Geared Income shares in issue and 3,008,093
Zero Dividend Preference shares, being 4.79 per cent. of the total Zero Dividend
Preference shares.  This amounts to 6.19 per cent of the total voting rights of
the Company.  These shares are held on behalf of participants in the Jupiter
Investment Trust savings products.  Jupiter has a notifiable interest in these
shares because, in certain circumstances and subject to certain limitations
agreed with the Takeover Panel to ensure compliance with the Takeover Code,
Jupiter is entitled to exercise the voting rights attached to these shares if
the relevant plan participants do not do so.

15) Name of contact and telephone number for queries

Jonathan McGuire    020 7314 4773

16) Name and signature of authorised company official responsible for making
this notification



Jonathan McGuire

Date of notification: 1st June 2007

END