AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q4 2024

Shares 1,297 Value ($000) $49 Avg Close $45.73 Range $36.48 - $53.96

Q3 2024

Shares 1,609 Value ($000) $78 Avg Close $43.89 Range $36.56 - $50.62

Q1 2023

Shares 151 Value ($000) $6 Avg Close $32.78 Range $27.58 - $38.22

Q4 2022

Shares 386 Value ($000) $11 Avg Close $29.04 Range $26.76 - $31.64

Q3 2016

Shares 36,126 Value ($000) $685 Avg Close $18.15 Range $15.62 - $21.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	1,297	$49	$45.73	$36.48 - $53.96
Q3 2024	1,609	$78	$43.89	$36.56 - $50.62
Q1 2023	151	$6	$32.78	$27.58 - $38.22
Q4 2022	386	$11	$29.04	$26.76 - $31.64
Q3 2016	36,126	$685	$18.15	$15.62 - $21.53