TABLE OF CONTENTS COMPANY OVERVIEW AND KEY FACTS MERGERS & ACQUISITIONS --Mergers and Acquisitions – Overview --Mergers and Acquisitions – Deal reports --Capital Raising – Deal reports --Divestments – Deal reports APPENDIX --About Datamonitor Financial Deals Database --Deal Definition and Methodology --About Datamonitor --Datamonitor Professional Services Knowledge Center LIST OF TABLES --CSG Systems International activity by deal type – volume (2011 -YTD2015) --CSG Systems International M&A average deal size – value ($m) (2011 -YTD2015) --CSG Systems International legal advisor ranking by value ($m) --Top Deals(2011 -YTD2015) --CSG Systems International targets and partners (2011 -YTD2015) --CSG Systems International M&A volume and value trend (2011-YTD2015) --CSG Systems International M&A activity by geography (2011-YTD2015) LIST OF FIGURES --CSG Systems International activity by deal type - volume (2011-YTD2015) --CSG Systems International M&A average deal size - value ($m) --CSG Systems International M&A volume and value trend (2011-YTD2015) --CSG Systems International M&A activity by geography (2011-YTD2015)

CSG Systems International, Inc.