ASPEN TECHNOLOGY INC

CUSIP: 45327103 Class: COM

M.D. Sass, Inc.'s Holding History (CIK: 0000922940)

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

Q3 2013
Shares 24,625 Value ($000) $851 Avg Close — Range —
Q2 2013
Shares 24,625 Value ($000) $709 Avg Close — Range —