SUMMIT THERAPEUTICS PLC

CUSIP: 86627R102 Class: Stock

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

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

Q1 2018
Shares 49,553 Value ($000) $639 Avg Close — Range —
Q4 2017
Shares 50,000 Value ($000) $554 Avg Close — Range —
Q3 2017
Shares 50,000 Value ($000) $628 Avg Close — Range —