SHORETEL INC

CUSIP: 825211105 Class: COM

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

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

Q2 2017
Shares 9,266 Value ($000) $54 Avg Close — Range —
Q1 2017
Shares 8,866 Value ($000) $55 Avg Close — Range —
Q4 2016
Shares 7,866 Value ($000) $56 Avg Close — Range —
Q3 2016
Shares 13,066 Value ($000) $105 Avg Close — Range —
Q2 2016
Shares 3,066 Value ($000) $21 Avg Close — Range —
Q2 2014
Shares 1,000 Value ($000) $7 Avg Close — Range —
Q1 2014
Shares 3,200 Value ($000) $28 Avg Close — Range —
Q4 2013
Shares 7,100 Value ($000) $66 Avg Close — Range —