Transaction in Own Shares

For immediate release

                          Purchase of own securities                           

On the 23 May 2005, Reckitt Benckiser plc acquired from CSFB Europe Ltd, 40,000
of its ordinary shares for cancellation at an average price of 1730.00 pence
per ordinary share.

Contacts:

Liz Richardson Reckitt Benckiser plc 01753 446363

Lloyd Adams CSFB Europe Ltd 020 7883 5043