EXHIBIT 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing, along with all other such undersigned, on behalf of the Reporting Persons (as defined in the joint filing), of a statement on Schedule 13G (including amendments thereto) with respect to the common stock par value $0.001 per share of Redfin Corporation, a Delaware corporation, and that this agreement be included as an exhibit to such joint filing. This agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

 

Dated: February 13, 2019				VULCAN VENTURES INCORPORATED
				By:		/s/ SUSAN DRAKE
				Name:		Susan Drake
				Title:		Vice President
Dated: February 13, 2019				VULCAN CAPITAL VENTURE CAPITAL I LLC
				By Vulcan Ventures Incorporated, its Manager
				By:		/s/ SUSAN DRAKE
				Name:		Susan Drake
				Title:		Vice President
Dated: February 13, 2019				COUGAR INVESTMENT HOLDINGS LLC
				By:		/s/ SUSAN DRAKE
				Name:		Susan Drake
				Title:		Vice President
Dated: February 13, 2019				VCVC MANAGEMENT III LLC
				By Cougar Investment Holdings LLC, its Managing Member
				By:		/s/ SUSAN DRAKE
				Name:		Susan Drake
				Title:		Vice President
Dated: February 13, 2019				VCVC III LLC
				By VCVC Management III LLC, its Manager
				By Cougar Investment Holdings LLC, its Managing Member
				By:		/s/ SUSAN DRAKE
				Name:		Susan Drake
				Title:		Vice President