PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

ALPINE WOODS CAPITAL INVESTORS, LLC's Holding History (CIK: 0001226886)

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

Q2 2015

Shares 15,582 Value ($000) $249 Avg Close $17.19 Range $14.76 - $19.52

Q1 2015

Shares 11,057 Value ($000) $198 Avg Close $17.39 Range $13.31 - $18.80

Q4 2014

Shares 11,057 Value ($000) $164 Avg Close $13.09 Range $11.62 - $15.24

Q3 2014

Shares 18,167 Value ($000) $229 Avg Close $19.84 Range $12.26 - $22.66

Q2 2014

Shares 13,460 Value ($000) $286 Avg Close $19.12 Range $16.60 - $21.77

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	15,582	$249	$17.19	$14.76 - $19.52
Q1 2015	11,057	$198	$17.39	$13.31 - $18.80
Q4 2014	11,057	$164	$13.09	$11.62 - $15.24
Q3 2014	18,167	$229	$19.84	$12.26 - $22.66
Q2 2014	13,460	$286	$19.12	$16.60 - $21.77