AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Watershed Asset Management, L.L.C.'s Holding History (CIK: 0001315926)

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

Q2 2023

Shares 4,627 Value ($000) $266 Avg Close $44.33 Range $35.62 - $58.70

Q1 2023

Shares 6,723 Value ($000) $252 Avg Close $32.78 Range $27.58 - $38.22

Q4 2022

Shares 9,555 Value ($000) $268 Avg Close $29.04 Range $26.76 - $31.64

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	4,627	$266	$44.33	$35.62 - $58.70
Q1 2023	6,723	$252	$32.78	$27.58 - $38.22
Q4 2022	9,555	$268	$29.04	$26.76 - $31.64