This Statement on Form 4 is filed
jointly by Perception Capital Partners II LLC, Perception Capital Partners LLC,
Northern Pacific Group, L.P., Scott Honour and Marcy Haymaker.
The principal business address of each of these reporting persons is 3109
W 50th St., #207, Minneapolis, MN 55410
Name of Designated Filer:
Perception Capital Partners II LLC
Date of Event Requiring Statement:
October 19, 2023
Issuer Name and Ticker or Trading
Symbol:
Spectaire Holdings Inc. (Nasdaq:
SPEC)
PERCEPTION CAPITAL PARTNERS II
LLC
By: /s/ Scott
Honour
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Name: Scott Honour
Title: Authorized Signatory
PERCEPTION CAPITAL PARTNERS
LLC
By: /s/ Scott
Honour
--------------------------------------
Name: Scott Honour
Title: President
NORTHERN PACIFIC GROUP, L.P.
By: /s/ Scott
Honour
--------------------------------------
Name: Scott Honour
Title: Authorized Signatory
/s/ Scott Honour
Scott Honour
/s/ Marcy Haymaker
Marcy Haymaker