PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

STONERIDGE INVESTMENT PARTNERS LLC's Holding History (CIK: 0001108831)

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

Q4 2015

Shares 62,576 Value ($000) $678 Avg Close $10.84 Range $9.68 - $11.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	62,576	$678	$10.84	$9.68 - $11.76