PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

ARS Investment Partners, LLC's Holding History (CIK: 0000733020)

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

Q1 2017

Shares 23,090 Value ($000) $522 Avg Close $22.28 Range $21.03 - $23.40

Q4 2016

Shares 38,090 Value ($000) $859 Avg Close $20.91 Range $17.45 - $24.44

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	23,090	$522	$22.28	$21.03 - $23.40
Q4 2016	38,090	$859	$20.91	$17.45 - $24.44