HGG.L Regulatory News (HGG)

NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS

This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4R(1).

Please complete all relevant boxes in block capital letters.

1. Name of the issuer

HENDERSON GROUP PLC

2.State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.4R(1)(a); or

(ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as extended by section 328) of the Companies Act 1985; or

(iii) both (i) and (ii)

(ii) DIRECTOR

3. Name of person discharging managerial responsibilities/director

ANDREW JAMES FORMICA

4. State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person

NOTIFICATION IS IN RESPECT OF THE SHAREHOLDER NAMED IN 3 ABOVE

5. Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest

BENEFICIAL

6. Description of shares (including class), debentures or derivatives or financial instruments relating to shares

-

7. Name of registered shareholders(s) and, if more than one, the number of shares held by each of them

-

8 State the nature of the transaction

HENDERSON GROUP BUY AS YOU EARN PLAN (BAYE) - SEE BELOW

9. Number of shares, debentures or financial instruments relating to shares acquired

-

10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage)

-

11. Number of shares, debentures or financial instruments relating to shares disposed

-

12. Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage) 

-

13. Price per share or value of transaction

-

14. Date and place of transaction

30 JULY 2010 (SEE BELOW)

15. Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage)

-

16. Date issuer informed of transaction

30 JULY 2010

If a person discharging managerial responsibilities has been granted options by the issuer complete the following boxes

17 Date of grant

30 JULY 2010

18. Period during which or date on which it can be exercised

-

19. Total amount paid (if any) for grant of the option

-

20. Description of shares or debentures involved (class and number)

HENDERSON GROUP BUY AS YOU EARN PLAN (BAYE).

Ordinary shares of twelve and a half pence each held in Trust by Greenwood Nominees Limited in accordance with the BAYE. Partnership shares purchased on-market at an average price of 131.998 pence per share, via deduction from pre-tax salary. Matching shares awarded in accordance with the plan.

Interest acquired:

95 partnership shares

190 matching shares

Interest in BAYE following the above award

7,534 partnership shares

13,179 matching shares

10,657 free shares

7,140 dividend shares

21. Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise

-

22. Total number of shares or debentures over which options held following notification

AS ABOVE

23. Any additional information

-

24. Name of contact and telephone number for queries

MR M PURKIS - 020 7818 2959

Name and signature of duly authorised officer of issuer responsible for making notification

MR M PURKIS

Date of notification

2 AUGUST 2010

END