Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1	Oct 2, 2018	C	2,564,431	$0.00	A	2,564,431	I	See footnote
Class A Common Stock^F1	Oct 2, 2018	J	2,564,431	$0.00	D	0	I	See footnote
Class A Common Stock^F3	Oct 2, 2018	J	28,450	$0.00	A	28,450	I	See footnote
Class A Common Stock^F4,F3	Oct 3, 2018	S	2,342	$20.7631	D	26,108	I	See footnote
Class A Common Stock^F5,F3	Oct 3, 2018	S	26,108	$20.948	D	0	I	See footnote
Class A Common Stock^F6	Oct 2, 2018	J	13,937	$0.00	A	13,937	I	See footnote
Class A Common Stock^F7	Oct 2, 2018	J	97,129	$0.00	A	97,129	I	See footnote
Class A Common Stock^F8	Oct 2, 2018	J	91,156	$0.00	A	91,156	I	See footnote
Class A Common Stock^F8	Oct 2, 2018	G	91,156	$0.00	D	0	I	See footnote
Class A Common Stock^F9	Oct 2, 2018	J	33,184	$0.00	A	33,184	I	See footnote
Class A Common Stock^F9	Oct 2, 2018	G	33,184	$0.00	D	0	I	See footnote
Class A Common Stock^F10	Oct 2, 2018	J	112,604	$0.00	A	112,604	I	See footnote
Class A Common Stock^F4,F10	Oct 3, 2018	S	9,369	$20.7631	D	103,235	I	See footnote
Class A Common Stock^F11	Oct 2, 2018	J	1,195	$0.00	A	1,195	I	See footnote
Class A Common Stock^F12	Oct 2, 2018	J	157,524	$0.00	A	157,524	I	See footnote
Class A Common Stock^F13	Oct 2, 2018	J	104,430	$0.00	A	104,430	I	See footnote
Class A Common Stock^F14	Oct 2, 2018	J	48,328	$0.00	A	48,328	I	See footnote
Class A Common Stock^F14	Oct 2, 2018	G	48,328	$0.00	D	0	I	See footnote

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Class B Common Stock^F1,F15,F16	—	Oct 2, 2018	C	2,564,431	D	—	—	Class A Common Stock	2,564,431	7,693,293	I

Explanation of responses

F1Shares are held by Benchmark Capital Partners V, L.P. ("BCP V"), as nominee for BCP V, Benchmark Founders' Fund V, L.P. ("BFF V"), Benchmark Founders' Fund V-A, L.P. ("BFF V-A"), Benchmark Founders' Fund V-B, L.P. ("BFF V-B") and related persons. Benchmark Capital Management Co. V, L.L.C. ("BCMC V"), the general partner of each of BCP V, BFF V, BFF V-A and BFF V-B, may be deemed to have sole voting and dispositive power over such shares. Alexandre Balkanski, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC V, may be deemed to share voting and dispositive power over these shares beneficially held by such entities. Each reporting person disclaims the existence of a "group" and disclaims beneficial ownership of any securities, except to the extent of such reporting persons' pecuniary interest in such securities.
F10Shares are held directly by J. William Gurley.
F11Shares are held by a limited partnership controlled by J. William Gurley.
F12Shares are held by Kevin R. Harvey's family trust.
F13Shares are held directly by Robert C. Kagle.
F14Shares are held directly by Mitchell H. Lasky.
F15Each share of the issuer's Class B Common Stock will convert into 1 share of the issuer's Class A Common Stock (a) at the option of the holder and (b) automatically upon (i) any transfer which occurs after the closing of the issuer's initial public offering, except for certain permitted transfers, and (ii) the date that is the earliest of (x) the date specified by a vote of the holders of not less than 66 2/3% of the outstanding shares of Class B Common Stock, (y) ten years from the effective date of the issuer's initial public offering and (z) the date that the total number of shares of outstanding Class B Common Stock ceases to represent at least 5% of all outstanding shares of the issuer's common stock, and has no expiration date.
F16Not applicable.
F2Represents a pro-rata, in-kind distribution by BCP V and its affiliated funds and related persons, without additional consideration, to their respective partners, members and assigns.
F3Shares are held by Steven M. Spurlock's family trust.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.45 to $21.05, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.80 to $21.08, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6Shares are held by a limited partnership controlled by Alexandre Balkanski.
F7Shares are held by Alexandre Balkanski's family trust.
F8Shares are held by Bruce W. Dunlevie's family trust.
F9Shares are held by a limited partnership controlled by Bruce W. Dunlevie.

Remarks

This is one of three reports, each on a separate Form 4, but relating to the same transaction being filed by entities affiliated with Benchmark and their applicable members.