Sigma appoints new Chief Financial Officer
Appointment of new Managing Director and CEO
2010 Notice of Annual General Meeting
2009/10 Annual Report
ASX Reinstatement to Official Quotation
Results Presentation for the full year ended 31 January 2010
Media Release for the year ending 31 January 2010
Preliminary Final Report for the financial year ended 31 January 2010
Director Appointment
SIGMA RESULTS BRIEFING 14 SEPTEMBER - WEBCAST
Changes to Shareholders Calendar
Response to article in today's Fairfax Media 1 June 2009