ACETO CORP

CUSIP: 004446100 Class: COM

Horizon Investment Services, LLC's Holding History (CIK: 0001426940)

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

Q1 2014
Shares 125,324 Value ($000) $2,742 Avg Close — Range —
Q4 2013
Shares 131,940 Value ($000) $3,300 Avg Close — Range —
Q3 2013
Shares 122,303 Value ($000) $1,910 Avg Close — Range —