SHORETEL INC

CUSIP: 825211105 Class: COM

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q2 2017
Shares 1,647,642 Value ($000) $9,556 Avg Close — Range —
Q1 2017
Shares 1,672,909 Value ($000) $10,288 Avg Close — Range —
Q4 2016
Shares 1,672,909 Value ($000) $11,961 Avg Close — Range —
Q3 2016
Shares 1,672,909 Value ($000) $13,383 Avg Close — Range —
Q2 2016
Shares 1,586,178 Value ($000) $10,612 Avg Close — Range —
Q1 2016
Shares 1,135,583 Value ($000) $8,449 Avg Close — Range —
Q4 2015
Shares 1,016,483 Value ($000) $8,996 Avg Close — Range —
Q3 2015
Shares 1,366,429 Value ($000) $10,207 Avg Close — Range —
Q2 2015
Shares 1,188,551 Value ($000) $8,058 Avg Close — Range —
Q1 2015
Shares 702,683 Value ($000) $4,792 Avg Close — Range —
Q4 2014
Shares 100,186 Value ($000) $736 Avg Close — Range —