Below are 1HY released date of the past years. Further more you can check out at this link http://www.asx.com.au/asx/statistics/announcements.do?by=asxCode&asxCode=sgh&timeframe=Y&year=2016
Column 1 Column 2 Column 3 0 29/02/2016 Half Year Financial Report (Monday)
Column 1 Column 2 Column 3 0 10/02/2015 FY15 H1 Financial Results (Friday)
Column 1 Column 2 Column 3 0 12/02/2014 FY14 HY1 Financial Results (Tuesday)
Column 1 Column 2 Column 3 0 27/02/2013 FY13 HY1 Financial Results (Wednesday)
Column 1 Column 2 Column 3 0 14/02/2012 SGH FY12 Half Year Financial Results (Tuesday)
Column 1 Column 2 Column 3 0 24/02/2011 SGH Results Presentation - H1 FY11 (Thursday)
Column 1 Column 2 Column 3 0 15/02/2010 SGH Results Presentation- H1 FY10 (Monday)
Column 1 Column 2 Column 3 0 25/02/2009 Half Yearly Report and Accounts (Wednesday)