PEGASYSTEMS INC

Ticker: PEGA CUSIP: 705573103 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2018

Shares 8,000 Value ($000) $485 Avg Close $27.01 Range $22.70 - $32.00

Q4 2015

Shares 15,702 Value ($000) $432 Avg Close $13.85 Range $12.02 - $15.12

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	8,000	$485	$27.01	$22.70 - $32.00
Q4 2015	15,702	$432	$13.85	$12.02 - $15.12