PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

BARROW HANLEY MEWHINNEY & STRAUSS LLC's Holding History (CIK: 0000313028)

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

Q4 2018

Shares 52,652 Value ($000) $444 Avg Close $8.48 Range $7.56 - $9.45

Q3 2018

Shares 68,542 Value ($000) $619 Avg Close $10.06 Range $8.10 - $12.66

Q2 2018

Shares 76,161 Value ($000) $913 Avg Close $11.94 Range $9.62 - $13.84

Q1 2018

Shares 76,161 Value ($000) $888 Avg Close $13.29 Range $11.07 - $16.76

Q4 2017

Shares 76,394 Value ($000) $1,199 Avg Close $16.06 Range $14.12 - $18.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	52,652	$444	$8.48	$7.56 - $9.45
Q3 2018	68,542	$619	$10.06	$8.10 - $12.66
Q2 2018	76,161	$913	$11.94	$9.62 - $13.84
Q1 2018	76,161	$888	$13.29	$11.07 - $16.76
Q4 2017	76,394	$1,199	$16.06	$14.12 - $18.48