Exhibit 99.1

Joint Filer Information

Name of Joint Filer:	Avista Acquisition LP II
Address of Joint Filer:	65 East 55th Street
	18th Floor
	New York, NY 10022
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	Avista Public Acquisition Corp. II [AHPA]
Date of Earliest Transaction Required to be
Reported (Month/Day/Year):	8/9/2021
Designated Filer:	Avista Acquisition GP LLC II

Signature:

Avista Acquisition LP II

/s/ Benjamin Silbert

Name: Benjamin Silbert

Title: Attorney-in-Fact

8/9/2021

Joint Filer Information

Name of Joint Filer:	Avista Acquisition GP LLC II
Address of Joint Filer:	65 East 55th Street
	18th Floor
	New York, NY 10022
Relationship of Joint Filer to Issuer:	10% Owner
Issuer Name and Ticker or Trading Symbol:	Avista Public Acquisition Corp. II [AHPA]
Date of Earliest Transaction Required to be
Reported (Month/Day/Year):	8/9/2021
Designated Filer:	Avista Acquisition GP LLC II

Signature:

Avista Acquisition GP LLC II

/s/ Benjamin Silbert

Name: Benjamin Silbert

Title: Attorney-in-Fact

8/9/2021

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Joint Filer Information

Name of Joint Filer:	Thompson Dean
Address of Joint Filer:	65 East 55th Street
	18th Floor
	New York, NY 10022
Relationship of Joint Filer to Issuer:	10% Owner
	Director
Issuer Name and Ticker or Trading Symbol:	Avista Public Acquisition Corp. II [AHPA]
Date of Earliest Transaction Required to be
Reported (Month/Day/Year):	8/9/2021
Designated Filer:	Avista Acquisition GP LLC II

Signature:

Avista Acquisition GP LLC II

/s/ Benjamin Silbert

Name: Benjamin Silbert

Title: Attorney-in-Fact

8/9/2021

Page 5

Joint Filer Information

Name of Joint Filer:	David Burgstahler
Address of Joint Filer:	65 East 55th Street
	18th Floor
	New York, NY 10022
Relationship of Joint Filer to Issuer:	10% Owner
	Director
	Officer (President, Chief Executive Officer)
Issuer Name and Ticker or Trading Symbol:	Avista Public Acquisition Corp. II [AHPA]
Date of Earliest Transaction Required to be
Reported (Month/Day/Year):	8/9/2021
Designated Filer:	Avista Acquisition GP LLC II

Signature:

Avista Acquisition GP LLC II

/s/ Benjamin Silbert

Name: Benjamin Silbert

Title: Attorney-in-Fact

8/9/2021

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