ZYGO CORP

CUSIP: 989855101 Class: CMN

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2014
Shares 22,927 Value ($000) $348 Avg Close — Range —
Q4 2013
Shares 23,637 Value ($000) $349 Avg Close — Range —
Q3 2013
Shares 25,137 Value ($000) $402 Avg Close — Range —
Q2 2013
Shares 25,308 Value ($000) $400 Avg Close — Range —