PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

AIGH Capital Management LLC's Holding History (CIK: 0001835943)

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

Q1 2022

Shares 859,812 Value ($000) $23,963 Avg Close $27.92 Range $23.73 - $32.80

Q4 2021

Shares 1,005,000 Value ($000) $31,949 Avg Close $27.81 Range $22.46 - $33.78

Q3 2021

Shares 1,005,000 Value ($000) $23,156 Avg Close $20.60 Range $17.29 - $24.20

Q2 2021

Shares 900,000 Value ($000) $16,362 Avg Close $17.92 Range $16.70 - $19.76

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	859,812	$23,963	$27.92	$23.73 - $32.80
Q4 2021	1,005,000	$31,949	$27.81	$22.46 - $33.78
Q3 2021	1,005,000	$23,156	$20.60	$17.29 - $24.20
Q2 2021	900,000	$16,362	$17.92	$16.70 - $19.76