ZIX CORP

CUSIP: 98974P100 Class: COM

WHITEBOX ADVISORS LLC's Holding History (CIK: 0001257391)

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

Q3 2013
Shares 149,500 Value ($000) $731 Avg Close — Range —
Q2 2013
Shares 149,000 Value ($000) $630 Avg Close — Range —