ENVISION HEALTHCARE HLDGS IN

CUSIP: 29413U103 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2016
Shares 6,220 Value ($000) $139 Avg Close — Range —
Q4 2015
Shares 1,526 Value ($000) $40 Avg Close — Range —
Q1 2014
Shares 4,734 Value ($000) $160 Avg Close — Range —