| 1 | Names of Reporting Persons
Lightspeed Venture Partners IX, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
20,231,286.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
20,231,286.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
20,231,286.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
7.4 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 5.0% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed General Partner IX, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
20,231,286.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
20,231,286.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
20,231,286.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
7.4 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 5.0% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Ultimate General Partner IX, Ltd. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
20,231,286.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
20,231,286.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
20,231,286.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
7.4 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 5.0% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Venture Partners Select, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
8,818,610.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
8,818,610.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
8,818,610.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
3.4 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 2.2% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed General Partner Select, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
8,818,610.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
8,818,610.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
8,818,610.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
3.4 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 2.2% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Ultimate General Partner Select, Ltd. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
8,818,610.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
8,818,610.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
8,818,610.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
3.4 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 2.2% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Venture Partners Select II, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
7,508,890.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
7,508,890.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,508,890.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
2.9 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 1.9% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed General Partner Select II, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
7,508,890.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
7,508,890.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,508,890.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
2.9 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 1.9% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Ultimate General Partner Select II, Ltd. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
7,508,890.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
7,508,890.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,508,890.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
2.9 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 1.9% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed SPV II, LLC |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
15,608,645.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
15,608,645.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
15,608,645.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
5.8 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 3.9% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed SPV II-B, LLC |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
7,765,561.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
7,765,561.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
7,765,561.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
3.0 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 1.9% of the total outstanding common stock.
| 1 | Names of Reporting Persons
LS SPV Management, LLC |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
23,374,206.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
23,374,206.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
23,374,206.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
8.4 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 5.8% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Opportunity Fund, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
2,690,640.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
2,690,640.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
2,690,640.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
1.1 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.7% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed General Partner Opportunity Fund, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
2,690,640.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
2,690,640.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
2,690,640.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
1.1 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.7% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Ultimate General Partner Opportunity Fund, Ltd. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
2,690,640.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
2,690,640.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
2,690,640.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
1.1 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.7% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Venture Partners XII, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
219,075.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
219,075.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
219,075.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
0.1 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.1% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed General Partner XII, L.P. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
219,075.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
219,075.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
219,075.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
0.1 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.1% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Ultimate General Partner XII, Ltd. |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
219,075.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
219,075.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
219,075.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
0.1 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.1% of the total outstanding common stock.
| 1 | Names of Reporting Persons
LSS Fund II, LLC |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
500.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
500.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
500.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
0.0 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.0% of the total outstanding common stock.
| 1 | Names of Reporting Persons
Lightspeed Scout Management, LLC |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
 (b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
500.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
500.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
500.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
 |
| 11 | Percent of class represented by amount in row (9)
0.0 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The beneficial ownership percentage in Row 11 is determined based on the Issuer's outstanding Class A Common Stock. The shares beneficially owned by the Reporting Person represent 0.0% of the total outstanding common stock.