Exhibit 44 CONFORMED COPY - -------------------------------------------------------------------------------- ADDENDUM TO IRREVOCABLE UNDERTAKING (CS Services Limited) To: Ohsea Holdings Limited Marine Court The Parade Cowes Isle of Wight PO31 7QJ ("Offeror") WestLB Panmure Woolgate Exchange 25 Basinghall Street London EC2V 5HA Nabarro Wells & Co. Limited Saddlers House Gutter Lane London EC2V 6HS Rossini plc Buckland House Waterside Drive Langley Business Park Slough Berkshire SL3 6EZ ("Target") Dated: 15 April, 2003 Scheme of arrangement in relation to the Target We refer to an irrevocable undertaking dated 7 April, 2003 given by us relating to the proposed scheme of arrangement relating to the Target under section 425 of the Companies Act 1985 (the Irrevocable Undertaking). We agree that, notwithstanding clause 8(A)(e) of the Irrevocable Undertaking: (a) our obligations under the Irrevocable Undertaking shall not lapse if the Scheme Document has not been posted to shareholders by 30 April, 2003; and (b) our obligations under the Irrevocable Undertaking shall instead lapse if the Scheme Document has not been posted to shareholders by 13 May, 2003. - -------------------------------------------------------------------------------- 2 - -------------------------------------------------------------------------------- This addendum is governed by and shall be construed in accordance with English law. IN WITNESS of which this addendum has been executed as a deed and has been delivered on the date which first appears on page 1. SIGNED as a deed ) by CS SERVICES LIMITED ) /s/ R. Heredia for Northtown Ltd. acting by: R. Heredia ) ------------------------------------ and: K. Haylock ) Name: R. Heredia acting under the ) Title: Director authority of that company ) /s/ K. Haylock for Southtown Ltd. ------------------------------------ Name: K. Haylock Title: Director - --------------------------------------------------------------------------------