ZIX CORP

CUSIP: 98974P100 Class: COM

VAN DEN BERG MANAGEMENT I, INC's Holding History (CIK: 0001142062)

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

Q1 2020
Shares 50,000 Value ($000) $215 Avg Close — Range —
Q4 2019
Shares 50,000 Value ($000) $339 Avg Close — Range —