ZIX CORP

CUSIP: 98974P100 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q1 2017
Shares 15,932 Value ($000) $77 Avg Close — Range —
Q4 2016
Shares 16,538 Value ($000) $82 Avg Close — Range —