Exhibit 99.1

JOINT FILING 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 the shares of Common Stock of RingCentral, Inc. This Agreement may be executed in any number of counterparts, each of which shall be deemed an original.

DATED: February 13, 2020

/s/ Vladimir Shmunis
Vladimir Shmunis
/s/ Sandra Shmunis
Sandra Shmunis
ELCA, LLC
By:	/s/ Vladimir Shmunis
Name:	Vladimir Shmunis
Title:	Member
ELCA FUND I, L.P.
By:	ELCA, LLC, its General Partner
By:	/s/ Vladimir Shmunis
Name:	Vladimir Shmunis
Title:	Member
ELCA FUND II, L.P.
By:	ELCA, LLC, its General Partner
By:	/s/ Vladimir Shmunis
Name:	Vladimir Shmunis
Title:	Member
ELCA FUND III, L.P.
By:	ELCA, LLC, its General Partner
By:	/s/ Vladimir Shmunis
Name:	Vladimir Shmunis
Title:	Member

Vladimir G. Shmunis & Sandra Shmunis TR UA June 9, 1998 Shmunis Revocable Trust
By:	/s/ Vladimir Shmunis
Name:	Vladimir Shmunis
Title:	Trustee
So Inclined Philanthropic Foundation
By:	/s/ Vladimir Shmunis
Name:	Vladimir Shmunis
Title:	Trustee