ZYGO CORP

CUSIP: 989855101 Class: CMN

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q1 2014
Shares 444 Value ($000) $7 Avg Close — Range —
Q4 2013
Shares 445 Value ($000) $7 Avg Close — Range —
Q3 2013
Shares 1,553 Value ($000) $25 Avg Close — Range —
Q2 2013
Shares 820 Value ($000) $13 Avg Close — Range —