ZYGO CORP

CUSIP: 989855101 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2013
Shares 522,798 Value ($000) $7,727 Avg Close — Range —
Q3 2013
Shares 1,044,617 Value ($000) $16,693 Avg Close — Range —
Q2 2013
Shares 1,026,398 Value ($000) $16,227 Avg Close — Range —