The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

This CUSIP number applies to the Issuer’s American Depositary Shares (“ADSs”). One ADS represents 20 Class A ordinary shares.

  NAME OF REPORTING PERSON

  SEQUOIA CAPITAL GLOBAL GROWTH FUND III – ENDURANCE PARTNERS, L.P. (“SC GGF III”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  261,158,080¹

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  261,158,080¹

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  261,158,080¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  1.4%²

  TYPE OF REPORTING PERSON

  PN

Represented by 13,057,904 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SEQUOIA CAPITAL GLOBAL GROWTH FUND III – 2020-B, L.P. (“SC GGF III—2020-B”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  383,031,840¹

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  383,031,840¹

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  383,031,840¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  2.1%²

  TYPE OF REPORTING PERSON

  PN

Represented by 19,151,592 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SEQUOIA CAPITAL GLOBAL GROWTH FUND III – ENDURANCE PARTNERS MANAGEMENT, L.P. (“SC GGF III MGMT”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  644,189,920¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.5%²

  TYPE OF REPORTING PERSON

  PN

Represented by 32,209,496 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SC US (TTGP), LTD. (“SC US TTGP”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT. The General Partner of SC GGF III MGMT is SC US TTGP.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT. The General Partner of SC GGF III MGMT is SC US TTGP.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  644,189,920¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.5%²

  TYPE OF REPORTING PERSON

  OO

Represented by 32,209,496 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SCC VENTURE V HOLDCO I, LTD. (“SCC VENTURE V HOLDCO I”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  499,188,820¹

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  499,188,820¹

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  499,188,820¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  2.7%²

  TYPE OF REPORTING PERSON

  OO

Represented by 24,959,441 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SEQUOIA CAPITAL CHINA VENTURE FUND V, L.P. (“SEQUOIA CAPITAL CHINA VENTURE FUND V”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  499,188,820¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  499,188,820¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  499,188,820¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  2.7%²

  TYPE OF REPORTING PERSON

  PN

Represented by 24,959,441 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SCC GROWTH IV 2018-H, L.P. (“SCC GROWTH IV 2018-H”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  54,436,440¹

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  54,436,440¹

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  54,436,440¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  0.3%²

  TYPE OF REPORTING PERSON

  PN

Represented by 2,721,822 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SC CHINA VENTURE V MANAGEMENT, L.P. (“SC CHINA VENTURE V MANAGEMENT”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  499,188,820¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  499,188,820¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  499,188,820¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  2.7%²

  TYPE OF REPORTING PERSON

  PN

Represented by 24,959,441 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SC CHINA GROWTH IV MANAGEMENT, L.P. (“SC CHINA GROWTH IV MANAGEMENT”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  54,436,440¹, of which 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  54,436,440¹, of which 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  54,436,440¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  0.3%²

  TYPE OF REPORTING PERSON

  PN

Represented by 2,721,822 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SC CHINA HOLDING LIMITED (“SC CHINA HOLDING”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  CAYMAN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  553,625,260¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I and 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT. The General Partner of each of SC CHINA VENTURE V MANAGEMENT and SC CHINA GROWTH IV MANAGEMENT is SC CHINA HOLDING.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  553,625,260¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I and 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT. The General Partner of each of SC CHINA VENTURE V MANAGEMENT and SC CHINA GROWTH IV MANAGEMENT is SC CHINA HOLDING.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  553,625,260¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.0%²

  TYPE OF REPORTING PERSON

  OO

Represented by 27,681,263 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  SNP CHINA ENTERPRISES LIMITED (“SNP CHINA ENTERPRISES”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  BRITISH VIRGIN ISLANDS

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  553,625,260¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I and 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT. The General Partner of each of SC CHINA VENTURE V MANAGEMENT and SC CHINA GROWTH IV MANAGEMENT is SC CHINA HOLDING. SC CHINA HOLDING is wholly owned by SNP CHINA ENTERPRISES.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  553,625,260¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I and 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT. The General Partner of each of SC CHINA VENTURE V MANAGEMENT and SC CHINA GROWTH IV MANAGEMENT is SC CHINA HOLDING. SC CHINA HOLDING is wholly owned by SNP CHINA ENTERPRISES.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  553,625,260¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.0%²

  TYPE OF REPORTING PERSON

  OO

Represented by 27,681,263 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  DOUGLAS LEONE (“DL”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  USA

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT. The General Partner of SC GGF III MGMT is SC US TTGP. The directors and stockholders of SC US TTGP who exercise voting and investment discretion with respect to the shares held by SC GGF III and SC GGF III—2020-B are Messrs. DL and RB.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT. The General Partner of SC GGF III MGMT is SC US TTGP. The directors and stockholders of SC US TTGP who exercise voting and investment discretion with respect to the shares held by SC GGF III and SC GGF III—2020-B are Messrs. DL and RB.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  644,189,920¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.5%²

  TYPE OF REPORTING PERSON

  IN

Represented by 32,209,496 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  ROELOF BOTHA (“RB”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  USA

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT. The General Partner of SC GGF III MGMT is SC US TTGP. The directors and stockholders of SC US TTGP who exercise voting and investment discretion with respect to the shares held by SC GGF III and SC GGF III—2020-B are Messrs. DL and RB.

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  644,189,920¹, of which 261,158,080 shares are directly owned by SC GGF III and 383,031,840 shares are directly owned by SC GGF III—2020-B. The General Partner of SC GGF III and SC GGF III—2020-B is SC GGF III MGMT. The General Partner of SC GGF III MGMT is SC US TTGP. The directors and stockholders of SC US TTGP who exercise voting and investment discretion with respect to the shares held by SC GGF III and SC GGF III—2020-B are Messrs. DL and RB.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  644,189,920¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.5%²

  TYPE OF REPORTING PERSON

  IN

Represented by 32,209,496 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

  NAME OF REPORTING PERSON

  NEIL NANPENG SHEN (“NS”)

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

  (a)  ☐        (b)  ☐

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  HONG KONG SAR

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  553,625,260¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I and 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT. The General Partner of each of SC CHINA VENTURE V MANAGEMENT and SC CHINA GROWTH IV MANAGEMENT is SC CHINA HOLDING. SC CHINA HOLDING is wholly owned by SNP CHINA ENTERPRISES. NS wholly owns SNP CHINA ENTERPRISES

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  553,625,260¹, of which 499,188,820 shares are directly owned by SCC VENTURE V HOLDCO I and 54,436,440 shares are directly owned by SCC GROWTH IV 2018-H. The sole shareholder of SCC VENTURE V HOLDCO I is SEQUOIA CAPITAL CHINA VENTURE FUND V. The General Partner of SEQUOIA CAPITAL CHINA VENTURE FUND V is SC CHINA VENTURE V MANAGEMENT. The General Partner of SCC GROWTH IV 2018-H is SC CHINA GROWTH IV MANAGEMENT. The General Partner of each of SC CHINA VENTURE V MANAGEMENT and SC CHINA GROWTH IV MANAGEMENT is SC CHINA HOLDING. SC CHINA HOLDING is wholly owned by SNP CHINA ENTERPRISES. NS wholly owns SNP CHINA ENTERPRISES.

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  553,625,260¹

  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

  3.0%²

  TYPE OF REPORTING PERSON

  IN

Represented by 27,681,263 American Depositary Shares.

Based on a total of 18,606,582,728 shares of Class A ordinary shares outstanding as of December 31, 2021 as reported in the Issuer’s Annual Report on Form 20-F for the yearly period ended December 31, 2021, as filed with the Securities and Exchange Commission on April 25, 2022.

OWNERSHIP

OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

NOTICE OF DISSOLUTION OF GROUP.

CERTIFICATION

Sequoia Capital Global Growth Fund III – Endurance

Partners, L.P.

By: Sequoia Capital Global Growth Fund III – Endurance Partners Management, L.P., its General Partner

By: SC (US) TTGP, Ltd., its General Partner

By:

/s/ Roelof Botha

Roelof Botha, Authorized Signatory

Sequoia Capital Global Growth Fund III—2020-B, L.P.

By:

Sequoia Capital Global Growth Fund III—Endurance

Partners Management, L.P., its General Partner

By:

SC US (TTGP), Ltd., its General Partner

By:

/s/ Roelof Botha

Roelof Botha, Authorized Signatory

Sequoia Capital Global Growth Fund III – Endurance

Partners Management, L.P.

By: SC US (TTGP), Ltd., its General Partner

By:

/s/ Roelof Botha

Roelof Botha, Authorized Signatory

SC US (TTGP), Ltd.

By:

/s/ Roelof Botha

Roelof Botha, Authorized Signatory

Douglas Leone

By:

/s/ Douglas Leone

Douglas Leone

Roelof Botha

By:

/s/ Roelof Botha

Roelof Botha

SCC Venture V Holdco I, Ltd.

By: Sequoia Capital China Venture Fund V,

L.P., its sole shareholder

By: SC China Venture V Management, L.P.,

its General Partner

By: SC China Holding Limited, its General Partner

By: SNP China Enterprises Limited, its sole owner

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

Sequoia Capital China Venture Fund V, L.P.

By:

SC China Venture V Management, L.P., its General Partner

By:

SC China Holding Limited, its General Partner

By:

SNP China Enterprises Limited, its sole owner

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

SC Growth IV 2018-H, L.P.

By:

SC China Growth IV Management, L.P., its General Partner

By:

SC China Holding Limited, its General Partner

By:

SNP China Enterprises Limited, its sole owner

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

SC China Venture V Management, L.P.

By:

SC China Holding Limited, its General Partner

By:

SNP China Enterprises Limited, its sole owner

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

SC China Growth IV Management, L.P.

By:

SC China Holding Limited, its General Partner

By:

SNP China Enterprises Limited, its sole owner

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

SC China Holding Limited

By:

SNP China Enterprises Limited, its sole owner

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

SNP China Enterprises Limited

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen, Authorized Signatory

Neil Nanpeng Shen

By:

/s/ Neil Nanpeng Shen

Neil Nanpeng Shen