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

August 16, 2006

12)  Total holding following this notification

19,790,021  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)

9.297%

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    August 16, 2006



Schedule A
                                                                       Shares
Nominee/Registered Name           Management Company                    Held
State Street Nominees Limited     Capital Guardian Trust Company      691,300
Bank of New York Nominees         Capital Guardian Trust Company      369,179
Northern Trust                    Capital Guardian Trust Company       73,000
Chase Manhattan Bank Australia    Capital Guardian Trust Company        2,800
 Ltd
Chase Nominees Limited            Capital Guardian Trust Company    2,478,011
BT Globenet Nominees Limited      Capital Guardian Trust Company      138,700
Midland Bank plc                  Capital Guardian Trust Company      480,700
Cede & Co.                        Capital Guardian Trust Company        6,900 
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        9,500
Nortrust Nominees                 Capital Guardian Trust Company      560,700
MSS Nominees Limited              Capital Guardian Trust Company       15,800
State Street Bank & Trust Co      Capital Guardian Trust Company       16,600
Citibank NA                       Capital Guardian Trust Company        9,100
Deutsche Bank AG                  Capital Guardian Trust Company        1,300
Mellon Bank N.A.                  Capital Guardian Trust Company       35,700
ROY Nominees Limited              Capital Guardian Trust Company        6,200
Mellon Nominees (UK) Limited      Capital Guardian Trust Company      133,834
HSBC                              Capital Guardian Trust Company       11,700
JP Morgan Chase Bank              Capital Guardian Trust Company      183,400
State Street Nominees Limited     Capital International Limited        11,100
Bank of New York Nominees         Capital International Limited       687,197
Northern Trust                    Capital International Limited       232,600
Chase Nominees Limited            Capital International Limited       430,200
Midland Bank plc                  Capital International Limited        19,500
Morgan Guaranty                   Capital International Limited       110,000
Nortrust Nominees                 Capital International Limited       206,800
State Street Bank & Trust Co.     Capital International Limited        25,900
Citibank NA                       Capital International Limited       135,000
HSBC Bank plc                     Capital International Limited        70,400
Mellon Bank NA                    Capital International Limited         7,200
KAS UK                            Capital International Limited        12,400
Bank One London                   Capital International Limited        15,700
Raiffeisen Zentral Bank           Capital International Limited       117,600
Nordea Bank                       Capital International Limited        25,200
Chase Nominees Limited            Capital International S.A.          159,500
Midland Bank plc                  Capital International S.A.            4,600
Pictet & Cie, Geneva              Capital International S.A.           17,800
State Street Bank & Trust Co.     Capital International S.A.           10,500
Lloyds Bank                       Capital International S.A.            7,100
HSBC Bank plc                     Capital International S.A.           49,300
Nortrust Nominees                 Capital International Inc.           32,600
HSBC Bank plc                     Capital International Inc.           12,500
State Street Nominees Limited     Capital Research & Management     4,165,000
                                   Company 
Chase Nominees Limited            Capital Research & Management     7,760,000
                                   Company 
JPM Nominees Ltd                  Capital Research & Management        11,000
                                   Company