SHORETEL INC

CUSIP: 825211105 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q2 2017
Shares 6,812 Value ($000) $39 Avg Close — Range —
Q1 2017
Shares 6,812 Value ($000) $42 Avg Close — Range —
Q4 2016
Shares 6,812 Value ($000) $49 Avg Close — Range —
Q3 2016
Shares 6,812 Value ($000) $54 Avg Close — Range —
Q2 2016
Shares 6,812 Value ($000) $45 Avg Close — Range —
Q1 2016
Shares 6,812 Value ($000) $51 Avg Close — Range —
Q4 2015
Shares 6,812 Value ($000) $60 Avg Close — Range —
Q3 2015
Shares 6,812 Value ($000) $51 Avg Close — Range —
Q2 2015
Shares 6,812 Value ($000) $46 Avg Close — Range —