ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q4 2016
Shares 27,900 Value ($000) $591 Avg Close — Range —
Q1 2016
Shares 18,997 Value ($000) $398 Avg Close — Range —
Q4 2015
Shares 18,420 Value ($000) $487 Avg Close — Range —
Q3 2015
Shares 19,324 Value ($000) $381 Avg Close — Range —