Loose Christopher R.

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
28 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0	1,344	0.00	183,650
27 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0	1,373	0.00	184,994
26 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0.51	1,329	677.79	186,367
25 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0.5	1,390	695.00	187,696
24 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0.54	1,438	776.52	189,086
21 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0.61	1,333	813.13	190,524
20 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0	1,361	0.00	191,857
19 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0	1,335	0.00	193,218
18 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0	1,484	0.00	194,553
17 Jul 23	KRRO Korro Bio	Common Stock	Sell	Dispose S	No	Yes	0	1,415	0.00	196,037

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