CUSIP No. 31188V100 13G Exhibit 99.1

AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, 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 Class A Common Stock of Fastly, Inc.

Dated:	February 13, 2020
AMPLIFY PARTNERS, L.P.
BY:	AMPLIFY GP PARTNERS, LLC
ITS:	GENERAL PARTNER
By:	/s  Sunil Dhaliwal
	Managing Member
AP OPPORTUNITY FUND, LLC
BY:	AMPLIFY GP PARTNERS, LLC
ITS:	GENERAL PARTNER
By:	/s  Sunil Dhaliwal
	Managing Member
AMPLIFY GP PARTNERS, LLC
By:	/s  Sunil Dhaliwal
	Managing Member
/s  Sunil Dhaliwal
Sunil Dhaliwal