SERES THERAPEUTICS INC

CUSIP: 81750R102 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q3 2015
Shares 25,954 Value ($000) $769 Avg Close — Range —
Q2 2015
Shares 30,000 Value ($000) $1,245 Avg Close — Range —