DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q1 2023

Shares 402,440 Value ($000) $5 Avg Close $19.53 Range $11.98 - $25.77

Q4 2022

Shares 506,178 Value ($000) $11 Avg Close $20.51 Range $17.66 - $23.10

Q3 2022

Shares 504,251 Value ($000) $10,100 Avg Close $21.27 Range $16.00 - $28.35

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	402,440	$5	$19.53	$11.98 - $25.77
Q4 2022	506,178	$11	$20.51	$17.66 - $23.10
Q3 2022	504,251	$10,100	$21.27	$16.00 - $28.35