PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Santori & Peters, Inc.'s Holding History (CIK: 0001730959)

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

Q4 2017

Shares 253 Value ($000) $3 Avg Close $16.06 Range $14.12 - $18.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	253	$3	$16.06	$14.12 - $18.48