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

October 18, 2006

12)  Total holding following this notification

16,868,692  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)

7.925%

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 18 October 2006



Schedule A





Nominee/Registered Name
Management Company
   Shares Held
State Street Nominees Limited
Capital Guardian Trust Company
7,300
Bank of New York Nominees
Capital Guardian Trust Company
50,790
Chase Nominees Limited
Capital Guardian Trust Company
513,282
Midland Bank plc
Capital Guardian Trust Company
4,100
Bankers Trust
Capital Guardian Trust Company
2,700
Nortrust Nominees
Capital Guardian Trust Company
140,000
ROY Nominees Limited
Capital Guardian Trust Company
4,300
HSBC
Capital Guardian Trust Company
4,900
JP Morgan Chase Bank
Capital Guardian Trust Company
74,815
State Street Nominees Limited
Capital International Limited
5,500
Bank of New York Nominees
Capital International Limited
345,085
Northern Trust
Capital International Limited
156,300
Chase Nominees Limited
Capital International Limited
316,620
Midland Bank plc
Capital International Limited
14,700
Morgan Guaranty
Capital International Limited
59,700
Nortrust Nominees
Capital International Limited
149,400
State Street Bank & Trust Co.
Capital International Limited
21,500
Citibank NA
Capital International Limited
101,700
HSBC Bank plc
Capital International Limited
48,200
Mellon Bank NA
Capital International Limited
4,400
KAS UK
Capital International Limited
9,300
Bank One London
Capital International Limited
9,400
Raiffeisen Zentral Bank
Capital International Limited
91,300
Nordea Bank
Capital International Limited
19,000
Chase Nominees Limited
Capital International S.A.
119,800
Midland Bank plc
Capital International S.A.
3,400
Pictet & Cie, Geneva
Capital International S.A.
13,300
State Street Bank & Trust Co.
Capital International S.A.
7,900
Lloyds Bank
Capital International S.A.
5,400
HSBC Bank plc
Capital International S.A.
37,900
Nortrust Nominees
Capital International Inc.
24,500
HSBC Bank plc
Capital International Inc.
9,500
State Street Nominees Limited
Capital Research & Management Company
3,872,500
Chase Nominees Limited
Capital Research & Management Company
10,607,200
JPM Nominees Ltd
Capital Research & Management Company
13,000