SEMGROUP CORP

CUSIP: 81663A105 Class: CMN

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 10,122 Value ($000) $306 Avg Close — Range —
Q2 2015
Shares 93 Value ($000) $7 Avg Close — Range —
Q4 2014
Shares 279 Value ($000) $19 Avg Close — Range —