ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

PARADIGM ASSET MANAGEMENT CO LLC's Holding History (CIK: 0001034549)

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

Q2 2016
Shares 4,700 Value ($000) $123,986 Avg Close — Range —
Q1 2016
Shares 31,400 Value ($000) $657,202 Avg Close — Range —
Q4 2015
Shares 31,400 Value ($000) $830,216 Avg Close — Range —
Q3 2015
Shares 106,100 Value ($000) $2,091,231 Avg Close — Range —
Q2 2015
Shares 115,800 Value ($000) $2,571,918 Avg Close — Range —
Q1 2015
Shares 115,800 Value ($000) $2,627,500 Avg Close — Range —