Leaf SC 13D LEAF / Spectrum Equity Investors V L P ownership change

Exhibit 1

JOINT FILING AGREEMENT

The persons below hereby agree that the Schedule 13D to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13D, shall be filed jointly on behalf of each of them. This agreement is intended to satisfy the requirements of Rule13d-1(k)(1)(iii) under the Securities Exchange Act of 1934.

Dated: June 22, 2020

Spectrum Equity Investors V, L.P.
By:	Spectrum Equity Associates V, L.P.
	its general partner
	By:	SEA V Management, LLC
	its general partner
	By:	/s/ Carolina Picazo
		Carolina Picazo
		Authorized Signatory
Spectrum Equity Associates V, L.P.
By:	SEA V Management, LLC
	its general partner
	By:	/s/ Carolina Picazo
		Carolina Picazo
		Authorized Signatory
SEA V Management, LLC
	By:	/s/ Carolina Picazo
	Carolina Picazo
	Authorized Signatory
Spectrum V Investment Managers’ Fund, L.P.
By:	SEA V Management, LLC
	its general partner
	By:	/s/ Carolina Picazo
		Carolina Picazo
		Authorized Signatory
*
Brion B. Applegate
*
Christopher T. Mitchell
*
Victor E. Parker, Jr.

*By:	/s/ Carolina Picazo
	Carolina Picazo
	Asattorney-in-fact

This Joint Filing Agreement was executed by Carolina Picazo on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is attached asExhibit 2 to the Schedule 13D.