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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1933414	Mineralys Therapeutics Inc.	MLYS	()	E9

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1746274	Catalys Pacific Fund, Lp	Po Box 309, Ugland House, Cayman Islands Grand Cayman E9 KY1-1104		No	No	Yes	No
1963901	Taylor Brian Slingsby	Shoto City House 203, 1-23-3, Shoto, Shibuya-Ku M0 150-0046		Yes	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2023-02-14	4,314,093	$0.00	8,944,579	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2023-02-14	250,000	$16.00	9,194,579	No	4	P	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	C	Indirect	See Footnote
No	4	P	Indirect	See Footnote

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A Preferred Stock	Disposition	2023-02-14	2,171,342	$0.00	2,171,342	$0.00
Common Stock	Series B Preferred Stock	Disposition	2023-02-14	2,142,751	$0.00	2,142,751	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	C	Indirect
0			No	4	C	Indirect

Footnotes

Each share of preferred stock of the Issuer automatically converted into shares of common stock on a 10.798-for-one basis (which reflects the reverse stock split effected by the Issuer on February 1, 2023) upon closing of the Issuer's initial public offering.
Represents securities held directly by Catalys Pacific Fund, LP. The general partner of Catalys Pacific Fund, LP is Catalys Pacific Fund GP, LP. Brian Taylor Slingsby is the managing partner of Catalys Pacific, LLC, the general partner of the General Partner. Catalys Pacific, LLC, Catalys Pacific Fund GP, LP and Brian Taylor Slingsby may be deemed to have voting and investment power over the shares held of record by Catalys Pacific Fund, LP. Each of Catalys Pacific, LLC, Catalys Pacific Fund GP, LP and Brian Taylor Slingsby disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.