ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q4 2014
Shares 4,586 Value ($000) $112 Avg Close — Range —
Q3 2014
Shares 658,142 Value ($000) $14,209 Avg Close — Range —
Q2 2014
Shares 700,000 Value ($000) $12,166 Avg Close — Range —