ZEP INC

CUSIP: 98944B108 Class: COMMON STOCK

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2015
Shares 2,720,809 Value ($000) $46,335 Avg Close — Range —
Q4 2014
Shares 2,779,612 Value ($000) $42,111 Avg Close — Range —
Q3 2014
Shares 2,818,156 Value ($000) $39,511 Avg Close — Range —
Q2 2014
Shares 2,855,566 Value ($000) $50,429 Avg Close — Range —
Q1 2014
Shares 2,885,907 Value ($000) $51,081 Avg Close — Range —
Q4 2013
Shares 2,896,844 Value ($000) $52,607 Avg Close — Range —
Q3 2013
Shares 2,930,925 Value ($000) $47,657 Avg Close — Range —
Q2 2013
Shares 2,849,550 Value ($000) $45,108 Avg Close — Range —