BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

State of Tennessee, Department of Treasury's Holding History (CIK: 0001587973)

Note: Option positions (PUT/CALL) are excluded.

Q4 2015
Shares 191,963 Value ($000) $12,328 Avg Close — Range —
Q3 2015
Shares 132,011 Value ($000) $11,294 Avg Close — Range —
Q2 2015
Shares 82,016 Value ($000) $13,809 Avg Close — Range —