Kenneth Song

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
26 Feb 24	RYZB RayzeBio	Common Stock	Sale back to company	Dispose D	Yes	No	62.5	1,622,968	101.44 mm	0
26 Feb 24	RYZB RayzeBio	Employee Stock Option Common Stock	Sale back to company	Dispose D	Yes	No	22.72	480,000	10.91 mm	0
26 Feb 24	RYZB RayzeBio	Employee Stock Option Common Stock	Sale back to company	Dispose D	Yes	No	10.39	114,763	1.19 mm	0
26 Feb 24	RYZB RayzeBio	Employee Stock Option Common Stock	Sale back to company	Dispose D	Yes	No	3.24	758,607	2.46 mm	0
17 Nov 23	RYZB RayzeBio	Stock Option Common Stock	Grant	Acquire A	Yes	No	22.72	480,000	10.91 mm	480,000

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