ZEP INC

CUSIP: 98944B108 Class: COMMON STOCK

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

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

Q1 2015
Shares 4,363 Value ($000) $74 Avg Close — Range —
Q4 2014
Shares 5,063 Value ($000) $77 Avg Close — Range —
Q2 2014
Shares 997 Value ($000) $18 Avg Close — Range —
Q1 2014
Shares 1,297 Value ($000) $23 Avg Close — Range —