NOTIFICATION OF MAJOR INTERESTS IN SHARES

NOTIFICATION OF MAJOR INTERESTS IN SHARES

1)   Name of listed company

Carnival plc

2)   Name of shareholder with 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

Non-beneficial

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

See attached Schedule A

5)   Number of shares/amount of stock acquired

Not supplied

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

Not supplied

7)   Number of shares/amount of stock disposed

Not supplied

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

Not supplied

9)   Class of security

Ordinary shares of $1.66 each

10)  Date of transaction

-

11)  Date listed company informed

June 1, 2006

12)  Total holding following this notification

15,940,251 ordinary shares 

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)

7.496%

14)  Any additional information

The notifiable interest is given on behalf of the affiliates of The Capital 
Group Companies, Inc., being Capital Research and Management Company, Capital 
International S.A., Capital International, Inc., Capital International Limited 
and Capital Guardian Trust Company.

15)  Name of contact and telephone number for queries

Arnaldo Perez 001 [phone] ext. 18018

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

Arnaldo Perez, Company Secretary

Date of notification    June 2, 2006



    Schedule A

    Nominee/Registered Name   Management Company                    Shares   
                                                                     Held    
    State Street Nominees     Capital Guardian Trust Company             
     Limited                                                         696,000 

    Bank of New York          Capital Guardian Trust Company         
     Nominees                                                        199,900

    Northern Trust            Capital Guardian Trust Company          65,800 

    Chase Nominees Limited    Capital Guardian Trust Company       2,317,210 

    BT Globenet Nominees      Capital Guardian Trust Company             
     Limited                                                         132,300 

    Midland Bank plc          Capital Guardian Trust Company         490,800 

    Deutsche Bank Mannheim    Capital Guardian Trust Company             300 

    Bankers Trust             Capital Guardian Trust Company         224,000 

    Barclays Bank             Capital Guardian Trust Company           4,600 

    Brown Bros                Capital Guardian Trust Company           8,900 

    Nortrust Nominees         Capital Guardian Trust Company         441,000 

    MSS Nominees Limited      Capital Guardian Trust Company          10,300 

    State Street Bank &       Capital Guardian Trust Company             
     Trust Co                                                         13,100 

    Citibank NA               Capital Guardian Trust Company           9,100 

    Mellon Bank N.A.          Capital Guardian Trust Company          31,100 

    ROY Nominees Limited      Capital Guardian Trust Company           6,200 

    Mellon Nominees (UK)      Capital Guardian Trust Company             
     Limited                                                         127,034 

    HSBC                      Capital Guardian Trust Company           8,700 

    JP Morgan Chase Bank      Capital Guardian Trust Company         183,300 

    State Street Nominees     Capital International Limited              
     Limited                                                           8,200 

    Bank of New York          Capital International Limited  
     Nominees                                                        589,207 

    Northern Trust            Capital International Limited          188,900 

    Chase Nominees Limited    Capital International Limited          456,000 

    Midland Bank plc          Capital International Limited           14,400 

    Morgan Guaranty           Capital International Limited           95,900 

    Nortrust Nominees         Capital International Limited          160,400 

    State Street Bank &       Capital International Limited              
     Trust Co.                                                        21,200 

    Citibank NA               Capital International Limited           94,700 

    HSBC Bank plc             Capital International Limited           47,400 

    Mellon Bank NA            Capital International Limited            4,600 

    KAS UK                    Capital International Limited            9,100 

    Bank One London           Capital International Limited            6,600 

    Raiffeisen Zentral Bank   Capital International Limited           92,600 

    Nordea Bank               Capital International Limited           19,900 

    Chase Nominees Limited    Capital International S.A.              91,500 

    Midland Bank plc          Capital International S.A.               3,900 

    Pictet & Cie, Geneva      Capital International S.A.              13,100 

    Lloyds Bank               Capital International S.A.               5,200 

    HSBC Bank plc             Capital International S.A.              36,900 

    Nortrust Nominees         Capital International Inc.              23,300 

    HSBC Bank plc             Capital International Inc.              12,600 

    State Street Nominees     Capital Research and Management            
     Limited                   Company                             2,665,000 

    Chase Nominees Limited    Capital Research and Management            
                               Company                             6,300,000 

    JPM Nominees Ltd          Capital Research and Management            
                               Company                                10,000