BALCHEM CORP

CUSIP: 57665200 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2015
Shares 506 Value ($000) $28 Avg Close — Range —
Q1 2014
Shares 3,119 Value ($000) $163 Avg Close — Range —
Q4 2013
Shares 3,595 Value ($000) $211 Avg Close — Range —