Johannes Jacob Pieter Kastelein

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
7 Jan 25	NAMS NewAmsterdam Pharma	Ordinary Shares	Grant	Acquire A	No	No	0	34,000	0.00	34,000
2 Jan 25	NAMS NewAmsterdam Pharma	Option Ordinary Shares	Grant	Acquire A	No	No	25.96	200,000	5.19 mm	200,000
26 Mar 24	NAMS NewAmsterdam Pharma	Ordinary Shares	Sell	Dispose S	Yes	No	21.5	190,476	4.10 mm	0
26 Mar 24	NAMS NewAmsterdam Pharma	Ordinary Shares	Payment of exercise	Dispose F	Yes	No	22.72	11,197	254.40 k	190,476
26 Mar 24	NAMS NewAmsterdam Pharma	Ordinary Shares	Option exercise	Acquire M	Yes	No	0	201,673	0.00	201,673
26 Mar 24	NAMS NewAmsterdam Pharma	Option Ordinary Shares	Option exercise	Dispose M	Yes	No	0	201,673	0.00	970,229
1 Jan 24	NAMS NewAmsterdam Pharma	Option Ordinary Shares	Grant	Acquire A	No	No	11.17	500,000	5.59 mm	500,000

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.