ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2014
Shares 155,408 Value ($000) $5,442 Avg Close — Range —
Q3 2014
Shares 308,036 Value ($000) $11,619 Avg Close — Range —
Q2 2014
Shares 245,782 Value ($000) $11,404 Avg Close — Range —