ZYGO CORP

CUSIP: 989855101 Class: CMN

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2014
Shares 27,200 Value ($000) $413 Avg Close — Range —
Q4 2013
Shares 30,400 Value ($000) $449 Avg Close — Range —
Q3 2013
Shares 34,100 Value ($000) $545 Avg Close — Range —
Q2 2013
Shares 35,200 Value ($000) $557 Avg Close — Range —