SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 6-K P&O PRINCESS CRUISES PLC REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a - 16 OR 15d - 16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2003 Not Applicable (Translation of registrant's name into English) 77 New Oxford Street, London WC1A 1PP (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F Form 20-F X Form 40-F ___ Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3 - 2(b) under the Securities Exchange Act of 1934 Yes ____ No X If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3 - 2(b) 82 - SIGNATURE Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. P&O PRINCESS CRUISES PLC Date: 3 April 2003 By: /s/ Simon Pearce Name: Simon Pearce Title: Company Secretary SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company P&O Princess Cruises plc 2) Name of shareholder having a major interest UBS Warburg 3) Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or 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 Not stated 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them Not stated 5) Number of shares/amount of stock acquired Not stated 6) Percentage of issued class Not stated 7) Number of shares/amount of stock disposed n/a 8) Percentage of issued class n/a 9) Class of security Ordinary shares of 50c each 10) Date of transaction Not stated 11) Date company informed 3 April 2003 12) Total holding following this notification 34,760,995 ordinary shares 13) Total percentage holding of issued class following this notification 5.02% 14) Any additional information Within this interest, 34,093,368 Ordinary shares are held by UBS Warburg for hedging purposes in relation to contracts for difference entered into with clients 15) Name of contact and telephone number for queries Simon Pearce 020 7805 1208 16) Name and signature of authorised company official responsible for making this notification Simon Pearce, Company Secretary Date of notification ...03 April 2003.....