EXHIBIT 99.1

FORM 4 JOINT FILER INFORMATION
 
Names of Joint Filers:
 
Aisling Capital III, LP
Aisling Capital Partners III, LP
Aisling Capital Partners III LLC
Steve Elms
Andrew N. Schiff, M.D.
Dennis J. Purcell
 
Address of Joint Filers:
c/o Aisling Capital Partners LLC
888 Seventh Avenue, 12th Floor
New York, NY 10106
 
Designated Filer: Aisling Capital III, LP
Issuer and Ticker Symbol: Syros Pharmaceuticals, Inc. [SYRS]
Date of Event: July 6, 2016
Signatures of Joint Filers:

AISLING CAPITAL III, LP
   
By:
Aisling Capital Partners III, LP
 
General Partner
   
By:
Aisling Capital Partners III LLC
 
General Partner
   
By:
/s/ Lloyd Appel
 
Name: Lloyd Appel
 
Title: CFO
   
 
AISLING CAPITAL PARTNERS III, LP
   
By:
Aisling Capital Partners III LLC
 
General Partner
   
By:
/s/ Lloyd Appel
 
Name: Lloyd Appel
 
Title: CFO
   
 
AISLING CAPITAL PARTNERS III LLC
   
By:
/s/ Lloyd Appel
 
Name: Lloyd Appel
 
Title: CFO
   
 
/s/ Steve Elms
Steve Elms
 
/s/ Andrew Schiff
Andrew Schiff
 
/s/ Dennis Purcell
Dennis Purcell