General Catalyst GP V SC 13G Fractyl Health / General Catalyst GP V ownership change

Exhibit 99.1

Joint Filing Agreement

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of shares of Fractyl Health, Inc.

EXECUTED this 16^th day of February 2024.

GENERAL CATALYST GP V, LLC
		By:	/s/ Christopher McCain
		Christopher McCain
		Chief Legal Officer
GENERAL CATALYST GROUP V, L.P.
By:	GENERAL CATALYST PARTNERS V, L.P.
	its General Partner
	By:	GENERAL CATALYST GP V, LLC
			its General Partner
			By:	/s/ Christopher McCain
				Christopher McCain
				Chief Legal Officer
GENERAL CATALYST PARTNERS V, L.P.
By:	GENERAL CATALYST GP V, LLC
	its General Partner
			By:	/s/ Christopher McCain
				Christopher McCain Chief Legal Officer
GC ENTREPRENEURS FUND V, L.P.
	By:	GENERAL CATALYST PARTNERS V, L.P.
			its General Partner
	By:	GENERAL CATALYST GP V, LLC
			its General Partner
			By:	/s/ Christopher McCain
				Christopher McCain Chief
				Legal Officer