UAI.L Regulatory News (UAI)

1.

Name of the issuer

Development Securities PLC

2.

State whether the notification relates to (i) a

transaction notified in accordance with DTR 3.1.2 R, 

(ii) a disclosure made in accordance 

LR 9.8.6R(1) or

(iii) a disclosure made in accordance with section 793 of the Companies Act (2006).

Disclosure in respect of DTR3.1.2R

3.

Name of person discharging managerial

responsibilities/director

M H Marx Esq

4.

State whether notification relates to a person

connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person

Not connected person with director named in 3

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 nonbeneficial

interest 1

Holding by person referred in 3 held beneficially

6.

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

Ordinary shares of 50p each

7.

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

M H Marx

8.

State the nature of the transaction

The acquisition (and subsequent sale) is in satisfaction of a grant made by the Company on 29 April 2005 under the Long Term Incentive Plan which has now matured and been exercised. Under the Plan rules, the award is paid in cash, all of which is used to buy shares in the Company, except where participants are subject to tax and social security in respect of the award, where they will, to that extent, receive cash only

9.

Number of shares, debentures or financial

instruments relating to shares acquired

12,404

10.

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

0.03%

11.

Number of shares, debentures or financial

instruments relating to shares disposed

12,404

12.

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

0.03%

13.

Price per share or value of transaction

Purchase at 348.8p per share

Sale at 275.332p per share

14.

Date and place of transaction

Purchase on 20 October 2008

Sale on 24 October 2008

15.

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

281,156 0.69%

16.

Date issuer informed of transaction

24 October 2008

17.

Date of grant

18.

Period during which or date on which exercisable

19.

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

20.

Description of shares or debentures involved (class and number)

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

23.

Any additional information

24.

Name of contact and telephone number for queries

S A Lanes 020 7828 4777

Name of authorised official of issuer responsible for making notification

S A Lanes

Date of notification ________24 October 2008___________________________________

(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 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.

1.

Name of the issuer

Development Securities PLC

2.

State whether the notification relates to (i) a

transaction notified in accordance with DTR 3.1.2 R, 

(ii) a disclosure made in accordance 

LR 9.8.6R(1) or

(iii) a disclosure made in accordance with section 793 of the Companies Act (2006).

Disclosure in respect of DTR3.1.2R

3.

Name of person discharging managerial

responsibilities/director

C J Barwick Esq

4.

State whether notification relates to a person

connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person

Not connected person with director named in 3

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 nonbeneficial

interest 1

Holding by person referred in 3 held beneficially

6.

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

Ordinary shares of 50p each

7.

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

C J Barwick

8.

State the nature of the transaction

The acquisition (and subsequent sale) is in satisfaction of a grant made by the Company on 29 April 2005 under the Long Term Incentive Plan which has now matured and been exercised. Under the Plan rules, the award is paid in cash, all of which is used to buy shares in the Company, except where participants are subject to tax and social security in respect of the award, where they will, to that extent, receive cash only

9.

Number of shares, debentures or financial

instruments relating to shares acquired

12,404

10.

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

0.03%

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

Purchase at 348.8p per share

14.

Date and place of transaction

Purchase on 20 October 2008

15.

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

144,153 0.36%

16.

Date issuer informed of transaction

24 October 2008

17.

Date of grant

18.

Period during which or date on which exercisable

19.

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

20.

Description of shares or debentures involved (class and number)

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

23.

Any additional information

24.

Name of contact and telephone number for queries

S A Lanes 020 7828 4777

Name of authorised official of issuer responsible for making notification

S A Lanes

Date of notification ________24 October 2008___________________________________

(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 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.

1.

Name of the issuer

Development Securities PLC

2.

State whether the notification relates to (i) a

transaction notified in accordance with DTR 3.1.2 R, 

(ii) a disclosure made in accordance 

LR 9.8.6R(1) or

(iii) a disclosure made in accordance with section 793 of the Companies Act (2006).

Disclosure in respect of DTR3.1.2R

3.

Name of person discharging managerial

responsibilities/director

M S Weiner Esq

4.

State whether notification relates to a person

connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person

Not connected person with director named in 3

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 nonbeneficial

interest 1

Holding by person referred in 3 held beneficially

6.

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

Ordinary shares of 50p each

7.

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

M S Weiner

8.

State the nature of the transaction

The acquisition (and subsequent sale) is in satisfaction of a grant made by the Company on 29 April 2005 under the Long Term Incentive Plan which has now matured and been exercised. Under the Plan rules, the award is paid in cash, all of which is used to buy shares in the Company, except where participants are subject to tax and social security in respect of the award, where they will, to that extent, receive cash only

9.

Number of shares, debentures or financial

instruments relating to shares acquired

8,458

10.

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

0.02%

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

Purchase at 348.8p per share

14.

Date and place of transaction

Purchase on 20 October 2008

15.

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

45,995 0.11%

16.

Date issuer informed of transaction

24 October 2008

17.

Date of grant

18.

Period during which or date on which exercisable

19.

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

20.

Description of shares or debentures involved (class and number)

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

23.

Any additional information

24.

Name of contact and telephone number for queries

S A Lanes  020 7828 4777

Name of authorised official of issuer responsible for making notification

S A Lanes

Date of notification ________24 October 2008___________________________________

(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 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.