FTC Solar (FTCI) SC 13G/A FTC Solar / South Lake One ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the Statement on Schedule 13G filed herewith (and any amendments thereto), relating to the Common Stock of FTC Solar, Inc., a Delaware corporation, is being filed jointly with the Securities and Exchange Commission pursuant to Rule 13d-1(c) under the Securities Exchange Act of 1934, as amended, on behalf of each of the undersigned.

This Agreement may be executed in counterparts and each of such counterparts taken together shall constitute one and the same instrument.

Dated this 1^st day of February, 2023.

South Lake One LLC
By:	/s/ Isidoro Quiroga Cortés
Name: Isidoro Quiroga Cortés
Title: Manager
By:	/s/ Luis Felipe Correa González
Name: Luis Felipe Correa González
Title: Manager

South Cone Investments Limited Partnership
By	South Lake Management LLC,
	as General Partner
	By:	/s/ Isidoro Quiroga Cortés
	Name: Isidoro Quiroga Cortés
	Title: Manager
	By:	/s/ Luis Felipe Correa González
	Name: Luis Felipe Correa González
	Title: Manager
South Lake Management LLC
By:	/s/ Isidoro Quiroga Cortés
Name: Isidoro Quiroga Cortés
Title: Manager
By:	/s/ Luis Felipe Correa González
Name: Luis Felipe Correa González
Title: Manager