Trend Table for BLUE - bluebird bio, Inc.

Current Trend Strength: Weak or Absent

Date	Grade	ADX	Long Term	Intermediate Term	Short Term	% Chg
May 2	F	Weak or Absent	Down	Down	Down	16.24%
May 1	F	Weak or Absent	Down	Down	Down	15.47%
Apr 30	F	Weak or Absent	Down	Down	Down	18.36%
Apr 29	F	Weak or Absent	Down	Down	Down	13.71%
Apr 26	F	Weak or Absent	Down	Down	Down	13.78%
Apr 25	F	Weak or Absent	Down	Down	Down	15.07%
Apr 24	F	Weak or Absent	Down	Down	Down	13.77%
Apr 23	F	Weak or Absent	Down	Down	Down	8.18%
Apr 22	F	Weak or Absent	Down	Down	Down	10.11%
Apr 19	F	Weak or Absent	Down	Down	Down	2.94%