SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

Schedule 13G
(Rule 13d-102)

 

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1 (b), (c) AND (d)
AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 (b)

(Amendment No. 1)*

 

Dropbox, Inc.

(Name of Issuer)

 

Class A Common Stock, $0.00001 par value

(Title of Class of Securities)

 

26210C104

(CUSIP Number)

 

December 31, 2019

(Date of Event Which Requires Filing of this Statement)

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

 

¨       Rule 13d-1(b)

 

¨       Rule 13d-1(c)

 

x       Rule 13d-1(d)

 

*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 disclosures provided in a prior cover page.

 

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

(Continued on following pages)

  

 

 

 

 

  

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel X L.P.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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
  6 SHARED VOTING POWER
0
  7 SOLE DISPOSITIVE POWER
0
  8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON* PN

 

(1) Based on 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2019, filed with the Securities and Exchange Commission on November 8, 2019 (the “Form 10-Q”).

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel X Strategic Partners L.P.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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
  6 SHARED VOTING POWER
0
  7 SOLE DISPOSITIVE POWER
0
  8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON* PN

 

(1) Based on 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel X Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)     ¨    (b)     x

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
  6 SHARED VOTING POWER
0
  7 SOLE DISPOSITIVE POWER
0
  8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON OO

 

(1) Based on 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Investors 2008 L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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
  6 SHARED VOTING POWER
0
  7 SOLE DISPOSITIVE POWER
0
  8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON* OO

 

(1) Based on 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Investors 2010 L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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
  6 SHARED VOTING POWER
0
  7 SOLE DISPOSITIVE POWER
0
  8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON* OO

 

(1) Based on 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel XI L.P. (“A11”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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
98,854 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by A11. Accel XI Associates L.L.C. (“A11A”), the general partner of A11, may be deemed to have sole power to vote these shares.
  6 SHARED VOTING POWER
See response to row 5.
  7 SOLE DISPOSITIVE POWER
98,854 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by A11. A11A, the general partner of A11, may be deemed to have sole power to dispose of these shares.
  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 98,854
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON* PN

 

(1) Based on 254,038,917 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 98,854 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by A11.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel XI Strategic Partners L.P. (“A11SP”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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

7,425 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by A11SP. A11A, the general partner of A11SP, may be deemed to have sole power to vote these shares.

  6 SHARED VOTING POWER

See response to row 5.

  7 SOLE DISPOSITIVE POWER

7,425 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by A11SP. A11A, the general partner of A11SP, may be deemed to have sole power to dispose of these shares.

  8 SHARED DISPOSITIVE POWER
See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,425
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0%(1)
12 TYPE OF REPORTING PERSON* PN

 

(1) Based on 253,947,488 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 7,425 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by A11SP.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel XI Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)     ¨    (b)     x

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

106,279 shares issuable upon conversion of Class B Common Stock, of which 98,854 are directly owned by A11 and 7,425 are directly owned by A11SP. A11A, the general partner of A11 and A11SP, may be deemed to have sole power to vote these shares.

  6 SHARED VOTING POWER

See response to row 5.

  7 SOLE DISPOSITIVE POWER

106,279 shares issuable upon conversion of Class B Common Stock, of which 98,854 are directly owned by A11 and 7,425 are directly owned by A11SP. A11A, the general partner of A11 and A11SP, may be deemed to have sole power to dispose of these shares.

  8 SHARED DISPOSITIVE POWER

See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 106,279
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

0.0%(1)

12 TYPE OF REPORTING PERSON* OO

 

(1) Based on 254,046,342 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 98,854 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by A11 plus (iii) 7,425 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by A11SP.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Investors 2013 L.L.C. (“AI13”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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

10,497 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by AI13.

  6 SHARED VOTING POWER

See response to row 5.

  7 SOLE DISPOSITIVE POWER

10,497 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by AI13.

  8 SHARED DISPOSITIVE POWER

See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

10,497

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

0.0%(1)

12 TYPE OF REPORTING PERSON* OO

 

(1) Based on 253,950,560 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 10,497 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by AI13.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Leaders Fund L.P. (“ALF”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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

95,440 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by ALF. Accel Leaders Fund Associates L.L.C. (“ALFA”), the general partner of ALF, may be deemed to have sole power to vote these shares.

  6 SHARED VOTING POWER

See response to row 5.

  7 SOLE DISPOSITIVE POWER

95,440 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by ALF. ALFA, the general partner of ALF, may be deemed to have sole power to dispose of these shares.

  8 SHARED DISPOSITIVE POWER

See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

95,440

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

0.0%(1)

12 TYPE OF REPORTING PERSON*

PN

 

(1) Based on 254,035,503 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 95,440 shares of Class A Common Stock issuable upon conversion of Class B Common Stock held by ALF.

 

 

 

 

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Leaders Fund Associates L.L.C.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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

95,440 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by ALF. ALFA, the general partner of ALF, may be deemed to have sole power to vote these shares.

  6 SHARED VOTING POWER

See response to row 5.

  7 SOLE DISPOSITIVE POWER

95,440 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by ALF. ALFA, the general partner of ALF, may be deemed to have sole power to dispose of these shares.

  8 SHARED DISPOSITIVE POWER

See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

95,440

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

0.0%(1)

12 TYPE OF REPORTING PERSON* OO

 

(1) Based on 254,035,503 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 95,440 shares of Class A Common Stock issuable upon conversion of Class B Common Stock held by ALF.

 

 

 

  

CUSIP NO.  26210C104 13 G

 

1

NAME OF REPORTING
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Accel Leaders Fund Investors 2016 L.L.C. (“ALFI16”)

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)     ¨    (b)     x

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

4,560 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by ALFI16.

  6 SHARED VOTING POWER

See response to row 5.

  7 SOLE DISPOSITIVE POWER

4,560 shares issuable upon conversion of Class B Common Stock, all of which are directly owned by ALFI16.

  8 SHARED DISPOSITIVE POWER

See response to row 7.

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,560

10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ¨
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

0.0%(1)

12 TYPE OF REPORTING PERSON* OO

 

(1) Based on 253,944,623 shares of Class A Common Stock, calculated as follows (i) 253,940,063 shares of Class A Common Stock outstanding, as of November 4, 2019, as reported by the Issuer in its Form 10-Q plus (ii) 4,560 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by ALFI16.

  

 

 

 

CUSIP NO. 26210C104 13 G  

 

This Amendment No. 1 (“Amendment No. 1”) amends and supplements the Schedule 13G initially filed with the United States Securities and Exchange Commission on February 13, 2019 (the “Original Schedule 13G”) by the Reporting Persons. The “Reporting Persons” are collectively, Accel X L.P. (“A10”), Accel X Strategic Partners L.P. (“A10SP”), Accel X Associates L.L.C. (“A10A”), Accel Investors 2008 L.L.C. (“AI08”), Accel Investors 2010 L.L.C. (“AI10”), Accel XI L.P. (“A11”), Accel XI Strategic Partners L.P. (“A11SP”), Accel XI Associates L.L.C. (“A11A”), Accel Investors 2013 L.L.C. (“AI13”), Accel Leaders Fund L.P. (“ALF”), Accel Leaders Fund Associates L.L.C. (“ALFA”), and Accel Leaders Fund Investors 2016 L.L.C. (“ALFI16”). Only those items that are hereby reported are amended; all other items reported in the Original Schedule 13G remain unchanged. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable. Capitalized terms not defined in this Amendment No. 1 have the meanings ascribed to them in the Original Schedule 13G.

 

ITEM 4.

OWNERSHIP

 

The following information with respect to the ownership of the Class A Common Stock of the issuer by the persons filing this Statement is provided as of December 31, 2019.

 

(a)

Amount beneficially owned:

 

See Row 9 of cover page for each Reporting Person.

 

(b)

Percent of Class:

 

See Row 11 of cover page for each Reporting Person.

 

(c)Number of shares as to which such person has:

 

(i)

Sole power to vote or to direct the vote:

 

See Row 5 of cover page for each Reporting Person.

 

(ii)Shared power to vote or to direct the vote:
   
  See Row 6 of cover page for each Reporting Person.

 

(iii)Sole power to dispose or to direct the disposition of:
   
  See Row 7 of cover page for each Reporting Person.

 

(iv)

Shared power to dispose or to direct the disposition of:

 

See Row 8 of cover page for each Reporting Person.

 

ITEM 5.

OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

 

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following:      x Yes

 

 

 

CUSIP NO. 26210C104 13 G  

 

ITEM 6.

OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

 

Under certain circumstances set forth in the limited partnership agreements of A10, A10SP, A11, A11SP and ALF, and the limited liability company agreements of A10A, AI08, AI10, A11A, AI13, ALFA and ALFI16, the general partner and limited partners or members, as the case may be, of each of such entities may be deemed to have the right to receive dividends from, or the proceeds from, the sale of shares of the issuer owned by each such entity of which they are a partner or member, as the case may be.

 

ITEM 7.

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

 

Not Applicable.

 

ITEM 8.

IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

 

Not Applicable.

 

ITEM 9.

NOTICE OF DISSOLUTION OF GROUP.

 

Not Applicable.

 

ITEM 10.

CERTIFICATION.

 

Not Applicable.

 

 

 

CUSIP NO. 26210C104 13 G  

 

SIGNATURES

 

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

Date: February 12, 2020

 

Entities: Accel X L.P.*
  Accel X Strategic Partners L.P.*
  Accel X Associates L.L.C.*
  Accel Investors 2008 L.L.C.*
  Accel Investors 2010 L.L.C.*
  Accel XI L.P.*
  Accel XI Strategic Partners L.P.*
  Accel XI Associates L.L.C.*
  Accel Investors 2013 L.L.C.*
  Accel Leaders Fund L.P.*
  Accel Leaders Fund Associates L.L.C.*
  Accel Leaders Fund Investors 2016 L.L.C.*

 

  By: /s/ Tracy L. Sedlock
    Tracy L. Sedlock, Attorney-in-fact for
    the above-listed entities

 

* Signed pursuant to a Power of Attorney already on file with the appropriate agencies.