TABLE OF CONTENTS COMPANY OVERVIEW AND KEY FACTS PARTNERSHIP --Partnership – Overview --Partnership – Deal reports CAPITAL RAISING --Capital Raising – Overview --Capital Raising – Deal reports APPENDIX --About Datamonitor Financial Deals Database --Deal Definition and Methodology --About Datamonitor --Datamonitor Professional Services Knowledge Center LIST OF TABLES --Acceleron Pharma activity by deal type – volume (2011 -YTD2015) --Acceleron Pharma legal advisor ranking by value ($m) --Acceleron Pharma financial advisor ranking by value ($m) --Top Deals(2011 -YTD2015) --Acceleron Pharma targets and partners (2011 -YTD2015) --Acceleron Pharma partnership volume and value trend (2011-YTD2015) --Acceleron Pharma partnership trend by key deal type (2011-YTD2015) --Acceleron Pharma capital raising volume and value trend (2011-YTD2015) --Acceleron Pharma capital raising by deal type (2011-YTD2015) LIST OF FIGURES --Acceleron Pharma activity by deal type - volume (2011-YTD2015) --Acceleron Pharma partnership volume and value trend (2011-YTD2015) --Acceleron Pharma partnership trend by key deal type (2011-YTD2015) --Acceleron Pharma capital raising volume and value trend (2011-YTD2015) --Acceleron Pharma capital raising by deal type (2011-YTD2015)

Acceleron Pharma, Inc.