PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

UNITED SERVICES AUTOMOBILE ASSOCIATION's Holding History (CIK: 0001021249)

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

Q4 2017

Shares 125,790 Value ($000) $1,975 Avg Close $16.06 Range $14.12 - $18.48

Q3 2017

Shares 126,800 Value ($000) $1,964 Avg Close $16.12 Range $14.11 - $20.10

Q2 2017

Shares 112,800 Value ($000) $1,856 Avg Close $18.56 Range $16.07 - $23.93

Q1 2017

Shares 35,300 Value ($000) $798 Avg Close $22.28 Range $21.03 - $23.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	125,790	$1,975	$16.06	$14.12 - $18.48
Q3 2017	126,800	$1,964	$16.12	$14.11 - $20.10
Q2 2017	112,800	$1,856	$18.56	$16.07 - $23.93
Q1 2017	35,300	$798	$22.28	$21.03 - $23.40