PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

BRADLEY FOSTER & SARGENT INC/CT's Holding History (CIK: 0001015086)

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

Q1 2017

Shares 20,695 Value ($000) $468 Avg Close $22.28 Range $21.03 - $23.40

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	20,695	$468	$22.28	$21.03 - $23.40