AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

NORGES BANK's Holding History (CIK: 0001374170)

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

Q4 2021

Shares 11,600 Value ($000) $270 Avg Close $20.45 Range $18.12 - $23.85

Q3 2021

Shares 92,200 Value ($000) $1,753 Avg Close $19.59 Range $17.56 - $21.63

Q2 2021

Shares 64,500 Value ($000) $1,300 Avg Close $18.84 Range $16.91 - $20.94

Q3 2019

Shares 25,000 Value ($000) $496 Avg Close $20.83 Range $18.66 - $22.85

Q4 2014

Shares 17,968 Value ($000) $209 Avg Close $10.89 Range $9.76 - $12.46

Q3 2014

Shares 112,968 Value ($000) $1,316 Avg Close $10.42 Range $8.32 - $12.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	11,600	$270	$20.45	$18.12 - $23.85
Q3 2021	92,200	$1,753	$19.59	$17.56 - $21.63
Q2 2021	64,500	$1,300	$18.84	$16.91 - $20.94
Q3 2019	25,000	$496	$20.83	$18.66 - $22.85
Q4 2014	17,968	$209	$10.89	$9.76 - $12.46
Q3 2014	112,968	$1,316	$10.42	$8.32 - $12.52