DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Summit Rock Advisors, LP's Holding History (CIK: 0001540951)

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

Q1 2024

Shares 51,502 Value ($000) $851 Avg Close $14.97 Range $13.42 - $17.85

Q3 2022

Shares 25,751 Value ($000) $516 Avg Close $21.27 Range $16.00 - $28.35

Q2 2022

Shares 33,125 Value ($000) $593 Avg Close $10.33 Range $5.44 - $18.22

Q1 2022

Shares 33,125 Value ($000) $329 Avg Close $13.21 Range $9.03 - $17.70

Q4 2021

Shares 33,125 Value ($000) $558 Avg Close $20.55 Range $15.16 - $26.62

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	51,502	$851	$14.97	$13.42 - $17.85
Q3 2022	25,751	$516	$21.27	$16.00 - $28.35
Q2 2022	33,125	$593	$10.33	$5.44 - $18.22
Q1 2022	33,125	$329	$13.21	$9.03 - $17.70
Q4 2021	33,125	$558	$20.55	$15.16 - $26.62