ASPEN TECHNOLOGY INC

CUSIP: 45327103 Class: COM

HOWLAND CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001079112)

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

Q4 2015
Shares 225,064 Value ($000) $8,498 Avg Close — Range —
Q3 2015
Shares 218,474 Value ($000) $8,282 Avg Close — Range —
Q2 2015
Shares 217,104 Value ($000) $9,889 Avg Close — Range —
Q1 2015
Shares 218,794 Value ($000) $8,421 Avg Close — Range —
Q3 2014
Shares 235,302 Value ($000) $8,876 Avg Close — Range —
Q2 2014
Shares 240,054 Value ($000) $11,139 Avg Close — Range —
Q1 2014
Shares 238,464 Value ($000) $10,101 Avg Close — Range —
Q4 2013
Shares 223,456 Value ($000) $9,340 Avg Close — Range —
Q3 2013
Shares 226,536 Value ($000) $7,827 Avg Close — Range —