CUSIP No. 74374T109 Schedule 13G Page 11 of 11

Exhibit 1

EXHIBIT 1 TO SCHEDULE 13G

JOINT FILING AGREEMENT

The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

In accordance with Rule 13d-1(k)(1) promulgated under the Securities and Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of such a statement on Schedule 13G with respect to the Common Stock of Proterra Inc beneficially owned by each of them. This Joint Filing Agreement shall be included as an exhibit to such Schedule 13G.

Date: February 17, 2022

Tao Pro LLC
By:	/s/ Lori D. Mills
	Name: Lori D. Mills
	Title: Manager

/s/ Isaac E. Pritzker

Isaac E. Pritzker

/s/ Lori D. Mills

Lori D. Mills

/s/ James Schwaba

James Schwaba