NOTIFICATION OF RESIGNATION OF A DIRECTOR

[Translation] Ref. PDI.B.02.94/98 14 September, 1998 To : President The Stock Exchange of Thailand Re. : Notification of resignation of a director This is to notify the SET that Mr. Sirin Nimmanahaeminda has resigned from PDI's directorship, effective as from 14 September, 1998. Yours truly, - Signature - (Arsa Sarasin) Executive Chairman & CEO Board Secretary Division Human Resources and Corporate Administration Department