ZIX CORP

CUSIP: 98974P100 Class: COM

Verition Fund Management LLC's Holding History (CIK: 0001454027)

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

Q4 2013
Shares 37,398 Value ($000) $171 Avg Close — Range —
Q3 2013
Shares 315,114 Value ($000) $1,541 Avg Close — Range —
Q2 2013
Shares 528,950 Value ($000) $2,237 Avg Close — Range —