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

4,714,208 GEARED INCOME SHARES

3,002,017 ZERO DIVIDEND PREFERENCE SHARES

13) Total percentage holding of issued class following this notification

7.50 % GEARED INCOME SHARES

4.78 % 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 4,714,208 Geared
Income shares, being 7.50 per cent. of the total Geared Income shares in issue
and 3,002,017 Zero Dividend Preference shares, being 4.78 % of the total Zero
Dividend Preference shares. This amounts to 6.14 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: 3rd July 2007

END