ZYGO CORP

CUSIP: 989855101 Class: CMN

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q1 2014
Shares 51,700 Value ($000) $785 Avg Close — Range —
Q4 2013
Shares 39,200 Value ($000) $579 Avg Close — Range —
Q3 2013
Shares 39,200 Value ($000) $626 Avg Close — Range —
Q2 2013
Shares 39,200 Value ($000) $621 Avg Close — Range —