Holding(s) in Company

Acal PLC
12 May 2006




             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

ACAL PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

THE CAPITAL GROUP COMPANIES INC.

3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     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



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

PLEASE SEE ATTACHED NOTIFICATION

5)   Number of shares/amount of stock acquired.



6)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)



7)   Number of shares/amount of stock disposed

NOT SPECIFIED

8)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

NOT SPECIFIED

9)   Class of security

ORDINARY SHARES OF 5P

10)  Date of transaction

NOT SPECIFIED

11)  Date listed company informed

11 MAY 2006

12)  Total holding following this notification

1,046,749
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

3.962%

14)  Any additional information



15)  Name of contact and telephone number for queries

MR N. ROWE
COMPANY SECRETARY
01483 544505


16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification

     Date of Notification ..............  12 MAY 2006  ..........



LETTER TO:  ACAL PLC
DATED:  11 MAY 2006


Re:  Section 198 Notification

Enclosed is a Section 198 Notification dated 10 May 2006


Please note that one or more of the affiliates of The Capital Group Companies,
Inc. have made notifications to your company pursuant to Section 198 previously.
For a description of our organization, please visit our Web site at
www.capgroup.com.

For the purposes of this Notification an outstanding share balance of 26,416,854
shares was used to calculate the percentages of holdings of the relevant share
capital which determine the notifiable interest. 


LETTER FROM:  GINA MARTINEZ
              COMPLIANCE ASSOCIATE
              THE CAPITAL GROUP COMPANIES, INC.
 

Date;   10 May 2006

                         SECTION 198 NOTIFICATION
                         Notification of Decrease

This Notice is given by The Capital Group Companies, Inc. on behalf of its
affiliates, including Capital International, Inc., Capital International S.A.,
Capital International Limited, and Capital Guardian Trust Company, pursuant to
Section 198 of the Companies Act 1985.

The interest in the relevant share capital indicated below arises by virtue of
holdings attributed to the Companies (see Schedule A).  These holdings form part
of funds managed on behalf of investment clients by the Companies.

Share capital to which this relates:

Ordinary Shares (26,416,854 shares outstanding) 

Number of shares in which the Companies have an interest:

1,046,749 

Name(s) of registered holder(s):


See Schedule B


As of 10 May 2006

ACAL plc
 
                                                        Number of     Percent of
                                                           Shares    Outstanding

The Capital Group Companies, Inc. ("CG") holdings      1,046,749       3.962%

Holdings by CG Management Companies and Funds:


Capital Guardian Trust Company                           586,356       2.220%

Capital International Limited                            420,533       1.592%   

Capital International S.A.                                15,900       0.060%

Capital International Inc.                                23,960       0.091%


                                    Schedule A



 
                          Schedule of holdings in ACAL plc
                                 As of 10 May 2006




                         Capital Guardian Trust Company                      


Registered Name                                                     Local Shares

State Street Nominees Limited                                        65,565

Chase Nominees Limited                                              457,960

Midland Bank plc                                                     62,831  

 
                                         TOTAL                      586,356
 


                                     Schedule B



                             Capital International Limited

Registered Name                                                     Local Shares

Chase Nominees Limited                                                420,533


                                             TOTAL                    420,533




                                       Schedule B



                              Capital International S.A.


Registered Name                                                     Local Shares

Citibank London                                                       15,900


                                       
                                             TOTAL                    15,900


                                         Schedule B



                              Capital International, Inc.


Registered Name                                                     Local Shares

Chase Nominees Limited                                                 23,960


                                             TOTAL                     23,960




                                          Schedule B



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