28 February 2013 : Financial Statement Yearly 2012 (correct a reference note no. in balance sheet) February 28, 2013
22 February 2013 : Clarification for changing of criteria for allowance for doubtful account provision and effect February 22, 2013
20 November 2012 : SET adds new listed securities: GL-W2 to be traded on 22 November 2012 November 20, 2012
20 November 2012 : SET adds new listed securities: GL-W2 to be traded on 22 November 2012 (Revised Number of Warrants) November 20, 2012