PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Klingman & Associates, LLC's Holding History (CIK: 0001662449)

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

Q1 2021

Shares 14,000 Value ($000) $249 Avg Close $19.82 Range $16.44 - $23.50

Q4 2020

Shares 14,000 Value ($000) $302 Avg Close $20.99 Range $18.51 - $23.42

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	14,000	$249	$19.82	$16.44 - $23.50
Q4 2020	14,000	$302	$20.99	$18.51 - $23.42