Director/PDMR Shareholding

London Stock Exchange Plc
23 September 2005

                                  SCHEDULE 11

   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).


(1)      An issuer making a notification in respect of a transaction relating to the shares or debentures
         of the issuer should complete boxes 1 to 16, 23 and 24.
(2)      An issuer making a notification in respect of a derivative relating to the shares of the issuer
         should complete boxes 1 to 4, 6, 8, 13, 14, 16, 23 and 24.
(3)      An issuer making a notification in respect of options granted to a director/person discharging
         managerial responsibilities should complete boxes 1 to 3 and 17 to 24.
(4)      An issuer making a notification in respect of a financial instrument relating to the shares of
         the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and
         24.



Please complete all relevant boxes in block capital letters.



1.             Name of the issuer

                London Stock Exchange plc


2.             State whether the notification relates to



                (i)   a transaction notified in accordance with
                      DR3.1.4.R(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)    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



3.             Name of director

Clara Furse and Jonathan Howell

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

N/A

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

N/A

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

Ordinary shares of 55/6p each

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

Mourant & Co. Trustees Limited as trustees of the London Stock Exchange Employee
Benefit Trust of which the said directors are potential beneficiaries (the "
Trust").

8.             State the nature of the transaction

Release of ordinary shares in London Stock Exchange plc to a participant in the
London Stock Exchange Share Scheme following an exercise of options under the
ESOS Scheme.

The participant to whom shares were released is not a director of the London
Stock Exchange plc referred to above.  The said directors are amongst the
potential beneficiaries of the Trust and are regarded for Companies Act purposes
as being interested in all the London Stock Exchange plc ordinary shares held by
the Trust, although the shares held by the Trust are also held for the benefit
of other employees of the Company.  Despite the technical interest in the
shares, a director will only be entitled to receive that number of shares to
which he or she would be entitled on exercise of an award or option which has
been granted to him or her.

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

N/A

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

N/A

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

1,236

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

0.0005%

13.           Price per share or value of transaction

              1,236 @ £3.90



14.           Date and place of transaction

              22 September 2005



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

Number of shares:      446,625
Percentage:            0.18%



16.           Date issuer informed of transaction

22 September 2005

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



17.           Date of grant

N/A

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

N/A

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

N/A

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

N/A

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

N/A

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

N/A

23.           Any additional information

N/A

24.           Name of contact and telephone number for queries

Lisa Condron, Company Secretary Tel: [phone]

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

Lisa Condron

Date of Notification

23 September 2005


                      This information is provided by RNS
            The company news service from the London Stock Exchange