PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

ALPS ADVISORS INC's Holding History (CIK: 0001376113)

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

Q2 2014

Shares 30,760 Value ($000) $653 Avg Close $19.12 Range $16.60 - $21.77

Q1 2014

Shares 29,976 Value ($000) $545 Avg Close $22.07 Range $17.21 - $26.73

Q4 2013

Shares 22,845 Value ($000) $541 Avg Close $22.99 Range $20.12 - $25.90

Q3 2013

Shares 11,764 Value ($000) $250 Avg Close $20.57 Range $18.09 - $22.20

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	30,760	$653	$19.12	$16.60 - $21.77
Q1 2014	29,976	$545	$22.07	$17.21 - $26.73
Q4 2013	22,845	$541	$22.99	$20.12 - $25.90
Q3 2013	11,764	$250	$20.57	$18.09 - $22.20