DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2025

Shares 38,500 Value ($000) $359 Avg Close $8.35 Range $6.70 - $10.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	38,500	$359	$8.35	$6.70 - $10.90