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ONE ASSET MANAGEMENT LIMITED| | Offering Date : 03/01/2005 - 10/01/2005
KRUNGSRI ASSET MANAGEMENT COMPANY LIMITED| | Offering Date : 21/11/2006 - 29/11/2006
ONE ASSET MANAGEMENT LIMITED| | Offering Date : 01/01/2011 - 01/01/2011
PRINCIPAL ASSET MANAGEMENT COMPANY LIMITED| | Offering Date : 09/02/2011 - 16/02/2011
KASIKORN ASSET MANAGEMENT COMPANY LIMITED| | Offering Date : 28/03/2013 - 11/04/2013