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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-Q

(Mark One)
☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2020
or
☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from________to________
Commission File Number 001-38434

Dropbox, Inc.
(Exact name of Registrant as specified in its charter)

Delaware |  | 26-0138832
(State or other jurisdiction of incorporation or organization) |  | (I.R.S. Employer Identification Number)

Dropbox, Inc.
1800 Owens Street
San Francisco, California 94158
(415) 857-6800
(Address, including zip code, and telephone number, including area code, of Registrant’s principal executive offices)

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class | Trading Symbol(s) | Name of exchange on which registered |
| Class A Common Stock, par value $0.00001 per share | DBX | The NASDAQ Stock Market LLC |
|  |  | (Nasdaq Global Select Market) |

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer | ☒ |  | Accelerated filer | ☐
Non-accelerated filer | ☐ |  | Smaller reporting company | ☐
|  | Emerging growth company | ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined by Rule 12b-2 of the Exchange Act). Yes ☐ No ☒
As of August 3, 2020, there were were 315,506,884 shares of the registrants’ Class A common stock outstanding (which excludes 10,333,333 shares of Class A common stock subject to restricted stock awards that were granted pursuant to the Co-Founder Grants, and vest upon the satisfaction of a service condition and achievement of certain stock price goals and 4,090,778 shares of Class A common stock subject to restricted stock awards that were granted to other Dropbox executives and vest upon the satisfaction of a service condition), 97,854,524 shares of the registrant’s Class B common stock outstanding, and no shares of the registrant’s Class C common stock outstanding.

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FORWARD-LOOKING STATEMENTS
This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which statements involve substantial risk and uncertainties. Forward-looking statements generally relate to future events or our future financial or operating performance. In some cases, you can identify forward-looking statements because they contain words such as “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” or “continue” or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. Forward-looking statements contained in this Quarterly Report on Form 10-Q include, but are not limited to, statements about:

• | our ability to retain and upgrade paying users;

• | our ability to attract new users or convert registered users to paying users;

• | our future financial performance, including trends in revenue, costs of revenue, gross profit or gross margin, operating expenses, paying users, and free cash flow;

• | our expectations regarding the potential impacts of the outbreak of the COVID-19 pandemic and related public health measures on our business, the business of our customers, suppliers and partners, and the economy;

• | our ability to compete successfully in competitive markets;

• | the demand for our platform or for content collaboration solutions in general;

• | possible harm caused by significant disruption of service or loss or unauthorized access to users’ content;

• | our ability to effectively integrate our platform with others;

• | our ability to respond to rapid technological changes;

• | our ability to achieve or maintain profitability;

• | our expectations and management of future growth;

• | our ability to grow due to our lack of a significant outbound sales force;

• | our ability to attract large organizations as users;

• | our ability to offer high-quality customer support;

• | our ability to manage our international expansion;

• | our ability to attract and retain key personnel and highly qualified personnel;

• | the expected timing and amount of our share repurchases;

• | our ability to protect our brand;

• | our ability to prevent serious errors or defects in our platform;

• | our ability to maintain, protect, and enhance our intellectual property; and

• | our ability to successfully identify, acquire, and integrate companies and assets.

We caution you that the foregoing list may not contain all of the forward-looking statements made in this Quarterly Report on Form 10-Q.
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You should not rely upon forward-looking statements as predictions of future events. We have based the forward-looking statements contained in this Quarterly Report on Form 10-Q primarily on our current expectations and projections about future events and trends that we believe may affect our business, financial condition, results of operations, and prospects. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties, and other factors described in the section titled “Risk Factors” and elsewhere in this Quarterly Report on Form 10-Q. Moreover, we operate in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward-looking statements contained in this Quarterly Report on Form 10-Q. We cannot assure you that the results, events, and circumstances reflected in the forward-looking statements will be achieved or occur, and actual results, events, or circumstances could differ materially from those described in the forward-looking statements.
The forward-looking statements made in this Quarterly Report on Form 10-Q relate only to events as of the date on which the statements are made. We undertake no obligation to update any forward-looking statements made in this Quarterly Report on Form 10-Q to reflect events or circumstances after the date of this Quarterly Report on Form 10-Q or to reflect new information or the occurrence of unanticipated events, except as required by law. We may not actually achieve the plans, intentions, or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures, or investments we may make.
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TABLE OF CONTENTS

|  | Page
| PART I. FINANCIAL INFORMATION |
Item 1. | Condensed Consolidated Financial Statements (Unaudited) | 5
| Condensed Consolidated Balance Sheets as of June 30, 2020 and December 31, 2019 | 5
| Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2020 and 2019 | 6
| Condensed Consolidated Statements of Comprehensive Income (Loss) for the Three and Six Months Ended June 30, 2020 and 2019 | 7
| Condensed Consolidated Statements of Stockholders' Equity for the Three and Six Months Ended June 30, 2020 and 2019 | 8
| Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2020 and 2019 | 10
| Notes to Condensed Consolidated Financial Statements | 11
Item 2. | Management's Discussion and Analysis of Financial Condition and Results of Operations | 35
Item 3. | Quantitative and Qualitative Disclosures About Market Risk | 56
Item 4. | Controls and Procedures | 57
| PART II. OTHER INFORMATION |
Item 1. | Legal Proceedings | 58
Item 1A. | Risk Factors | 59
Item 2. | Unregistered Sales of Equity Securities and Use of Proceeds | 85
Item 6. | Exhibits | 85
| Exhibit Index | 86
| Signatures | 87

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PART I. FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS
DROPBOX, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(In millions)
(Unaudited)

| As of
| June 30, 2020 |  | December 31, 2019
Assets |  |  |
Current assets: |  |  |
Cash and cash equivalents | $ | 334.1 |  |  | $ | 551.3 |
Short-term investments | 783.5 |  |  | 607.7 |
Trade and other receivables, net | 45.6 |  |  | 36.7 |
Prepaid expenses and other current assets | 59.1 |  |  | 47.5 |
Total current assets | 1,222.3 |  |  | 1,243.2 |
Property and equipment, net | 475.6 |  |  | 445.3 |
Operating lease right-of-use asset | 701.6 |  |  | 657.9 |
Intangible assets, net | 40.5 |  |  | 47.4 |
Goodwill | 234.7 |  |  | 234.5 |
Other assets | 67.6 |  |  | 70.9 |
Total assets | $ | 2,742.3 |  |  | $ | 2,699.2 |
Liabilities and stockholders’ equity |  |  |
Current liabilities: |  |  |
Accounts payable | $ | 26.3 |  |  | $ | 40.7 |
Accrued and other current liabilities | 134.5 |  |  | 161.9 |
Accrued compensation and benefits | 71.1 |  |  | 101.4 |
Operating lease liability | 82.6 |  |  | 79.9 |
Finance lease obligation | 83.8 |  |  | 76.7 |
Deferred revenue | 583.5 |  |  | 554.2 |
Total current liabilities | 981.8 |  |  | 1,014.8 |
Operating lease liability, non-current | 771.3 |  |  | 711.9 |
Finance lease obligation, non-current | 152.1 |  |  | 138.2 |
Other non-current liabilities | 33.7 |  |  | 25.9 |
Total liabilities | 1,938.9 |  |  | 1,890.8 |
Commitments and contingencies (Note 10) |  |  |
Stockholders’ equity: |  |  |
Additional paid-in capital | 2,560.4 |  |  | 2,531.3 |
Accumulated deficit | (1,764.4 | ) |  | (1,726.2 | )
Accumulated other comprehensive income | 7.4 |  |  | 3.3 |
Total stockholders’ equity | 803.4 |  |  | 808.4 |
Total liabilities and stockholders’ equity | $ | 2,742.3 |  |  | $ | 2,699.2 |

See accompanying Notes to Condensed Consolidated Financial Statements.
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DROPBOX, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(In millions, except per share data)
(Unaudited)

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Revenue | $ | 467.4 |  |  | $ | 401.5 |  |  | $ | 922.4 |  |  | $ | 787.1 |
Cost of revenue(1) | 102.5 |  |  | 102.9 |  |  | 205.6 |  |  | 201.3 |
Gross profit | 364.9 |  |  | 298.6 |  |  | 716.8 |  |  | 585.8 |
Operating expenses(1) |  |  |  |  |  |  |
Research and development | 185.8 |  |  | 162.4 |  |  | 367.6 |  |  | 312.4 |
Sales and marketing | 102.8 |  |  | 107.3 |  |  | 207.1 |  |  | 208.8 |
General and administrative | 63.5 |  |  | 62.9 |  |  | 102.5 |  |  | 119.9 |
Total operating expenses | 352.1 |  |  | 332.6 |  |  | 677.2 |  |  | 641.1 |
Income (loss) from operations | 12.8 |  |  | (34.0 | ) |  | 39.6 |  |  | (55.3 | )
Interest income, net | 0.1 |  |  | 3.2 |  |  | 2.5 |  |  | 6.9 |
Other income, net | 9.0 |  |  | 10.0 |  |  | 19.6 |  |  | 14.2 |
Income (loss) before income taxes | 21.9 |  |  | (20.8 | ) |  | 61.7 |  |  | (34.2 | )
Benefit from (provision for) income taxes | (4.4 | ) |  | (0.6 | ) |  | (4.9 | ) |  | 5.1 |
Net income (loss) | $ | 17.5 |  |  | $ | (21.4 | ) |  | $ | 56.8 |  |  | $ | (29.1 | )
Net income (loss) per share-basic and diluted: |  |  |  |  |  |  |
Basic net income (loss) per share | $ | 0.04 |  |  | $ | (0.05 | ) |  | $ | 0.14 |  |  | $ | (0.07 | )
Diluted net income (loss) per share | $ | 0.04 |  |  | $ | (0.05 | ) |  | $ | 0.14 |  |  | $ | (0.07 | )
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, basic | 414.1 |  |  | 412.4 |  |  | 415.7 |  |  | 411.5 |
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, diluted | 420.5 |  |  | 412.4 |  |  | 419.7 |  |  | 411.5 |

(1) Includes stock-based compensation as follows (in millions):

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Cost of revenue | $ | 4.5 |  |  | $ | 4.7 |  |  | $ | 8.0 |  |  | $ | 7.7 |
Research and development | 47.0 |  |  | 37.7 |  |  | 84.2 |  |  | 68.2 |
Sales and marketing | 9.5 |  |  | 8.8 |  |  | 16.2 |  |  | 15.9 |
General and administrative(2) | 15.6 |  |  | 16.9 |  |  | 8.0 |  |  | 31.9 |

(2) On March 19, 2020, one of the Company's co-founders resigned as a member of the board and as an officer of the Company, resulting in the reversal of $23.8 million in stock-based compensation expense. Of the total amount reversed, $21.5 million related to expense recognized prior to December 31, 2019. See Note 12 "Stockholders' Equity" for further information.
See accompanying Notes to Condensed Consolidated Financial Statements.
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DROPBOX, INC.
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(In millions)
(Unaudited)

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Net income (loss) | $ | 17.5 |  |  | $ | (21.4 | ) |  | $ | 56.8 |  |  | $ | (29.1 | )
Other comprehensive income, net of tax: |  |  |  |  |  |  |
Change in foreign currency translation adjustments | 2.9 |  |  | (0.3 | ) |  | (0.3 | ) |  | 1.6 |
Change in net unrealized gains on short-term investments | 6.0 |  |  | 0.4 |  |  | 4.4 |  |  | 1.5 |
Total other comprehensive income, net of tax | $ | 8.9 |  |  | $ | 0.1 |  |  | $ | 4.1 |  |  | $ | 3.1 |
Comprehensive income (loss) | $ | 26.4 |  |  | $ | (21.3 | ) |  | $ | 60.9 |  |  | $ | (26.0 | )

See accompanying Notes to Condensed Consolidated Financial Statements.
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DROPBOX, INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(In millions)
(Unaudited)

| Three months ended June 30, 2020 |  | Three months ended June 30, 2019
| Class A and Class B Common Stock |  | Additional paid in capital |  | Accumulated deficit |  | Accumulated other comprehensive income (loss) |  | Total stockholders' equity |  | Class A and Class B common stock |  | Additional paid-in capital |  | Accumulated deficit |  | Accumulated other comprehensive income (loss) |  | Total stockholders’ equity
| Shares |  | Amount |  |  |  |  |  | Shares |  | Amount |
Balances at beginning of period | 415.1 |  |  | $ | — |  |  | $ | 2,528.5 |  |  | $ | (1,726.6 | ) |  | $ | (1.5 | ) |  | $ | 800.4 |  |  | 411.4 |  |  | $ | — |  |  | $ | 2,377.8 |  |  | $ | (1,674.7 | ) |  | $ | 1.8 |  |  | $ | 704.9 |
Release of restricted stock units | 3.4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2.9 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Shares repurchased for tax withholdings on release of restricted stock units and awards | (1.2 | ) |  | — |  |  | (11.0 | ) |  | (14.1 | ) |  | — |  |  | (25.1 | ) |  | (1.0 | ) |  | — |  |  | (18.6 | ) |  | (4.0 | ) |  | — |  |  | (22.6 | )
Repurchases of common stock | (3.7 | ) |  | — |  |  | (34.6 | ) |  | (41.2 | ) |  | — |  |  | (75.8 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Exercise of stock options and awards | 0.2 |  |  | — |  |  | 0.9 |  |  | — |  |  | — |  |  | 0.9 |  |  | 0.1 |  |  | — |  |  | 1.1 |  |  | — |  |  | — |  |  | 1.1 |
Stock-based compensation | — |  |  | — |  |  | 76.6 |  |  | — |  |  | — |  |  | 76.6 |  |  | — |  |  | — |  |  | 68.1 |  |  | — |  |  | — |  |  | 68.1 |
Other comprehensive income | — |  |  | — |  |  | — |  |  | — |  |  | 8.9 |  |  | 8.9 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.1 |  |  | 0.1 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 17.5 |  |  | — |  |  | 17.5 |  |  | — |  |  | — |  |  | — |  |  | (21.4 | ) |  | — |  |  | (21.4 | )
Balances at end of period | 413.8 |  |  | $ | — |  |  | $ | 2,560.4 |  |  | $ | (1,764.4 | ) |  | $ | 7.4 |  |  | $ | 803.4 |  |  | 413.4 |  |  | $ | — |  |  | $ | 2,428.4 |  |  | $ | (1,700.1 | ) |  | $ | 1.9 |  |  | $ | 730.2 |

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| Six months ended June 30, 2020 |  | Six months ended June 30, 2019
| Class A and Class B Common Stock |  | Additional paid in capital |  | Accumulated deficit |  | Accumulated other comprehensive income (loss) |  | Total stockholders' equity |  | Class A and Class B common stock |  | Additional paid-in capital |  | Accumulated deficit |  | Accumulated other comprehensive income (loss) |  | Total stockholders’ equity
| Shares |  | Amount |  |  |  |  |  | Shares |  | Amount |
Balances at beginning of period | 417.0 |  |  | $ | — |  |  | $ | 2,531.3 |  |  | $ | (1,726.2 | ) |  | $ | 3.3 |  |  | $ | 808.4 |  |  | 409.6 |  |  | $ | — |  |  | $ | 2,337.5 |  |  | $ | (1,659.5 | ) |  | $ | (1.2 | ) |  | $ | 676.8 |
Cumulative-effect adjustment from adoption of ASC 842 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.0 |  |  | — |  |  | 1.0 |
Release of restricted stock units | 6.1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 5.5 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Shares repurchased for tax withholdings on release of restricted stock units and awards | (2.2 | ) |  | — |  |  | (20.3 | ) |  | (23.7 | ) |  | — |  |  | (44.0 | ) |  | (2.0 | ) |  | — |  |  | (35.6 | ) |  | (12.5 | ) |  | — |  |  | (48.1 | )
Repurchases of common stock | (7.4 | ) |  | — |  |  | (68.5 | ) |  | (71.3 | ) |  | — |  |  | (139.8 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Exercise of stock options and awards | 0.3 |  |  | — |  |  | 1.5 |  |  | — |  |  | — |  |  | 1.5 |  |  | 0.3 |  |  | — |  |  | 2.0 |  |  | — |  |  | — |  |  | 2.0 |
Assumed stock options in connection with acquisition | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.8 |  |  | — |  |  | — |  |  | 0.8 |
Stock-based compensation | — |  |  | — |  |  | 116.4 |  |  | — |  |  | — |  |  | 116.4 |  |  | — |  |  | — |  |  | 123.7 |  |  | — |  |  | — |  |  | 123.7 |
Other comprehensive income (loss) | — |  |  | — |  |  | — |  |  | — |  |  | 4.1 |  |  | 4.1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3.1 |  |  | 3.1 |
Net income (loss) | — |  |  | — |  |  | — |  |  | 56.8 |  |  | — |  |  | 56.8 |  |  | — |  |  | — |  |  | — |  |  | (29.1 | ) |  | — |  |  | (29.1 | )
Balances at end of period | 413.8 |  |  | $ | — |  |  | $ | 2,560.4 |  |  | $ | (1,764.4 | ) |  | $ | 7.4 |  |  | $ | 803.4 |  |  | 413.4 |  |  | $ | — |  |  | $ | 2,428.4 |  |  | $ | (1,700.1 | ) |  | $ | 1.9 |  |  | $ | 730.2 |

See accompanying Notes to Condensed Consolidated Financial Statements.
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DROPBOX, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)
(Unaudited)

| Six months ended June 30,
| 2020 |  | 2019
Cash flow from operating activities |  |  |
Net income (loss) | $ | 56.8 |  |  | $ | (29.1 | )
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 79.6 |  |  | 91.9 |
Stock-based compensation | 116.4 |  |  | 123.7 |
Net gains on equity investments | (17.5 | ) |  | (7.4 | )
Amortization of deferred commissions | 10.8 |  |  | 8.1 |
Other | (0.1 | ) |  | (7.6 | )
Changes in operating assets and liabilities: |  |  |
Trade and other receivables, net | (8.8 | ) |  | (8.5 | )
Prepaid expenses and other current assets | (22.4 | ) |  | (18.5 | )
Other assets | 33.1 |  |  | 26.2 |
Accounts payable | (12.8 | ) |  | (1.8 | )
Accrued and other current liabilities | (24.7 | ) |  | 10.5 |
Accrued compensation and benefits | (30.3 | ) |  | (24.8 | )
Deferred revenue | 28.7 |  |  | 28.0 |
Other non-current liabilities | (26.2 | ) |  | (27.2 | )
Tenant improvement allowance reimbursement | 16.6 |  |  | 28.5 |
Net cash provided by operating activities | 199.2 |  |  | 192.0 |
Cash flow from investing activities |  |  |
Capital expenditures | (53.9 | ) |  | (63.4 | )
Business combinations, net of cash acquired | — |  |  | (171.6 | )
Purchases of short-term investments | (429.2 | ) |  | (389.7 | )
Proceeds from sales of short-term investments | 145.3 |  |  | 181.0 |
Proceeds from maturities of short-term investments | 138.9 |  |  | 161.6 |
Other | 9.3 |  |  | 11.6 |
Net cash used in investing activities | (189.6 | ) |  | (270.5 | )
Cash flow from financing activities |  |  |
Shares repurchased for tax withholdings on release of restricted stock units and awards | (44.0 | ) |  | (48.1 | )
Proceeds from issuance of common stock, net of repurchases | 1.5 |  |  | 2.0 |
Principal payments on finance lease obligations | (43.4 | ) |  | (50.6 | )
Common stock repurchases | (139.8 | ) |  | — |
Other | (0.5 | ) |  | (0.7 | )
Net cash used in financing activities | (226.2 | ) |  | (97.4 | )
Effect of exchange rate changes on cash and cash equivalents | (0.6 | ) |  | 0.2 |
Change in cash and cash equivalents | (217.2 | ) |  | (175.7 | )
Cash and cash equivalents - beginning of period | 551.3 |  |  | 519.3 |
Cash and cash equivalents - end of period | $ | 334.1 |  |  | $ | 343.6 |
Supplemental cash flow data: |  |  |
Property and equipment acquired under finance leases | $ | 64.4 |  |  | $ | 75.4 |

See accompanying Notes to Condensed Consolidated Financial Statements.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Note 1. Description of the Business and Summary of Significant Accounting Policies
Business
Dropbox, Inc. (the “Company” or “Dropbox”) is the world's first smart workspace. Dropbox was incorporated in May 2007 as Evenflow, Inc., a Delaware corporation, and changed its name to Dropbox, Inc. in October 2009. The Company is headquartered in San Francisco, California.
Basis of presentation and consolidation
The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the United States of America generally accepted accounting principles (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission ("SEC") regarding interim financial reporting. The accompanying unaudited condensed consolidated financial statements include the accounts of Dropbox and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.
The condensed consolidated balance sheet as of December 31, 2019 included herein was derived from the audited financial statements as of that date. The unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the balance sheets, statements of operations, statements of comprehensive income (loss), statements of stockholders' equity and the statements of cash flows for the interim periods, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year ended December 31, 2020 or any future period.
The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2019, included in the Company's Annual Report on Form 10-K on file with the SEC ("Annual Report").
Use of estimates
The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported and disclosed in the Company’s condensed consolidated financial statements and accompanying notes. These estimates are based on information available as of the date of the condensed consolidated financial statements. Management evaluates these estimates and assumptions on a regular basis. Actual results may differ materially from these estimates.
The Company’s most significant estimates and judgments involves the valuation of acquired intangible assets and goodwill from business combinations.
Financial information about segments and geographic areas
The Company manages its operations and allocates resources as a single operating segment. Further, the Company manages, monitors, and reports its financials as a single reporting segment. The Company’s chief operating decision-maker is its Chief Executive Officer, who reviews financial information presented on a consolidated basis for purposes of making operating decisions, assessing financial performance, and allocating resources. See Note 15, "Geographic Areas" for information regarding the Company’s long-lived assets and revenue by geography.
Foreign currency transactions
The assets and liabilities of the Company’s foreign subsidiaries are translated from their respective functional currencies into U.S. dollars at the exchange rates in effect at the balance sheet date. Revenue and expense amounts are translated at the average exchange rate for the period. Foreign currency translation gains and losses are recorded in other comprehensive income (loss).
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Gains and losses realized from foreign currency transactions (those transactions denominated in currencies other than the foreign subsidiaries’ functional currency) are included in other income, net. Monetary assets and liabilities are remeasured using foreign currency exchange rates at the end of the period, and non-monetary assets are remeasured based on historical exchange rates. The Company recorded net foreign currency transaction gains of $1.2 million and losses of $0.1 million during the three and six months ended June 30, 2020, respectively, and net foreign currency transaction losses of $0.5 million during both the three and six months ended June 30, 2019, respectively.
Revenue recognition
The Company derives its revenue from subscription fees from customers for access to its platform. The Company’s policy is to exclude sales and other indirect taxes when measuring the transaction price of its subscription agreements. The Company accounts for revenue contracts with customers through the following steps:

• | Identification of the contract, or contracts, with a customer

• | Identification of the performance obligations in the contract

• | Determination of the transaction price

• | Allocation of the transaction price to the performance obligations in the contract

• | Recognition of revenue when, or as, the Company satisfies a performance obligation

The Company’s subscription agreements generally have monthly or annual contractual terms and a small percentage have multi-year contractual terms. Revenue is recognized ratably over the related contractual term beginning on the date that the platform is made available to a customer. Access to the platform represents a series of distinct services as the Company continually provides access to, and fulfills its obligation to the end customer over the subscription term. The series of distinct services represents a single performance obligation that is satisfied over time. The Company recognizes revenue ratably because the customer receives and consumes the benefits of the platform throughout the contract period. The Company’s contracts are generally non-cancelable.
The Company bills in advance for monthly contracts and typically bills annually in advance for contracts with terms of one year or longer. The Company also recognizes an immaterial amount of contract assets, or unbilled receivables, primarily relating to consideration for services completed but not billed at the reporting date. Unbilled receivables are classified as receivables when the Company has the right to invoice the customer.
The Company records contract liabilities when cash payments are received or due in advance of performance to deferred revenue. Deferred revenue primarily relates to the advance consideration received from the customer.
The price of subscriptions is generally fixed at contract inception and therefore, the Company’s contracts do not contain a significant amount of variable consideration. As a result, the amount of revenue recognized in the periods presented from performance obligations satisfied (or partially satisfied) in previous periods was not material.
The Company recognized $267.1 million and $421.2 million of revenue during the three and six months ended June 30, 2020, respectively, and recognized $233.9 million and $365.9 million of revenue during the three and six months ended June 30, 2019, respectively, that was included in the deferred revenue balances at the beginning of their respective periods.
As of June 30, 2020, future estimated revenue related to performance obligations that were unsatisfied or partially unsatisfied was $640.9 million. The substantial majority of the unsatisfied performance obligations will be satisfied over the next twelve months.
Stock-based compensation
The Company has granted RSUs to its employees and members of the Board of Directors under the 2008 Equity Incentive Plan (“2008 Plan”), the 2017 Equity Incentive Plan (“2017 Plan”), and the 2018 Equity Incentive Plan ("2018 Plan" and together with the 2008 Plan and 2017 Plan, the "Dropbox Equity Incentive Plans"). The Company has granted the following types of RSUs under the Dropbox Equity Incentive Plans:
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

• | One-tier RSUs, which have a service-based vesting condition over a four-year period. These awards typically have a cliff vesting period of one year and continue to vest quarterly thereafter. The Company began granting one-tier RSUs under its 2008 Plan in August 2015, and it continues to grant one-tier RSUs under its 2018 Plan. The Company recognizes compensation expense associated with one-tier RSUs ratably on a straight-line basis over the requisite service period and accounts for forfeitures in the period in which they occur.

• | Two-tier RSUs, which had both a service-based vesting condition and a Performance Vesting Condition. The Performance Vesting Condition was satisfied on the effectiveness of the registration statement related to the Company's IPO. Prior to August 2015, the Company granted two-tier RSUs under the 2008 Plan. The last grant date for two-tier RSUs was in May 2015. The Company recognized compensation expense associated with two-tier RSUs using the accelerated attribution method over the requisite service period.

As of June 30, 2020, the Company only had one-tier RSUs outstanding under the Dropbox Equity Incentive Plans.
Since August 2015, the Company has granted one-tier RSUs as the only stock-based payment awards to its employees, with the exception of awards granted to its co-founders and certain executives, and has not granted any stock options to employees since then. The fair values of the common stock underlying the RSUs granted in periods prior to the date of the Company's IPO were determined by the Board of Directors, with input from management and contemporaneous third-party valuations, which were performed at least quarterly. For valuations after the Company's IPO, the Board of Directors determines the fair value of each share of underlying common stock based on the closing price of the Company's Class A common stock as reported on the Nasdaq Global Select Market on the date of the grant.
In connection with the acquisition of JN Projects, Inc. (d/b/a HelloSign) ("HelloSign"), the Company assumed unvested stock options that had been granted under the HelloSign's 2011 Equity Incentive Plan. The fair value of options assumed were based upon the Black-Scholes option-pricing model, see Note 12, "Stockholders' Equity" for further information.
In December 2017, the Board of Directors approved a grant to the Company’s co-founders of restricted stock awards (“RSAs”) with respect to 14.7 million shares of Class A Common Stock in the aggregate (collectively, the “Co-Founder Grants”), of which 10.3 million RSAs were granted to Mr. Houston, the Company’s co-founder and Chief Executive Officer, and 4.4 million RSAs were granted to Mr. Ferdowsi, the Company's co-founder and a former director. These Co-Founder Grants have service-based, market-based, and performance-based vesting conditions. The Company estimated the grant date fair value of the Co-Founder Grants using a model based on multiple stock price paths developed through the use of a Monte Carlo simulation that incorporates into the valuation the possibility that the Stock Price Targets may not be satisfied. Effective March 19, 2020, Mr. Ferdowsi resigned as a member of the Board of Directors and as an officer of the Company. As of the date of Mr. Ferdowsi's resignation, none of the Stock Price Targets had been met, resulting in the forfeiture of his 4.4 million RSAs. See Note 12, "Stockholders' Equity" for further information.
Cost of revenue
Cost of revenue consists primarily of expenses associated with the storage, delivery, and distribution of the Company’s platform for both paying users and free users, also known as Basic users. These costs, which are referred to as infrastructure costs, include depreciation of servers located in co-location facilities that the Company leases and operates, rent and facilities expense for those datacenters, network and bandwidth costs, support and maintenance costs for infrastructure equipment, and payments to third-party datacenter service providers. Cost of revenue also includes costs, such as salaries, bonuses, benefits, travel-related expenses, and stock-based compensation, which are referred to as employee-related costs, for employees whose primary responsibilities relate to supporting the Company’s infrastructure and delivering user support. Other non-employee costs included in cost of revenue include credit card fees related to processing customer transactions and allocated overhead, such as facilities, including rent, utilities, depreciation on leasehold improvements and other equipment shared by all departments, and shared information technology costs. In addition, cost of revenue includes amortization of developed technologies, professional fees related to user support initiatives, and property taxes related to the datacenters.
Cash and cash equivalents
Cash consists primarily of cash on deposit with banks and includes amounts in transit from payment processors for credit and debit card transactions, which typically settle within five business days. Cash equivalents include highly liquid investments purchased with an original maturity date of 90 days or less from the date of purchase.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
The Company monitors its credit risk by considering factors such as historical experience, credit ratings, current economic conditions, and reasonable and supportable forecasts.
Short-term investments
The Company’s short-term investments are primarily comprised of corporate notes and obligations, U.S. Treasury securities, certificates of deposit, asset-backed securities, commercial paper, U.S. agency obligations, supranational securities, foreign government securities, and municipal securities. The Company determines the appropriate classification of its short-term investments at the time of purchase and reevaluates such designation at each balance sheet date. The Company has classified and accounted for its short-term investments as available-for-sale securities as the Company may sell these securities at any time for use in its current operations or for other purposes, even prior to maturity. As a result, the Company classifies its short-term investments, including securities with stated maturities beyond twelve months, within current assets in the condensed consolidated balance sheets.
The Company's short-term investments are recorded at fair value each reporting period. Unrealized gains and losses on these short-term investments are reported as a separate component of accumulated other comprehensive income (loss) in the condensed consolidated balance sheets until realized. Unrealized gains and losses for any short-term investments that management intends to sell or it is more likely than not that management will be required to sell prior to their anticipated recovery are recorded in other income (expense), net. The Company segments its portfolio based on the underlying risk profiles of the securities and has a zero-loss expectation for U.S. treasury and U.S. government agency securities. The Company regularly reviews the securities in an unrealized loss position and evaluates the current expected credit loss by considering factors such as credit ratings, issuer-specific factors, current economic conditions, and reasonable and supportable forecasts. The Company did not record any material credit losses during the three and six months ended June 30, 2020.
Concentrations of credit risk
Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash, cash equivalents, accounts receivable, and short-term investments. The Company places its cash and cash equivalents and short-term investments with well-established financial institutions.
One distribution partner accounted for 46% of total trade and other receivables, net as of June 30, 2020. Two distribution partners accounted for 10% and 27% of total trade and other receivables, net as of December 31, 2019. No customer accounted for more than 10% of the Company’s revenue in the periods presented.
Deferred commissions, net
Deferred commissions, net is stated as gross deferred commissions less accumulated amortization. Sales commissions earned by the Company’s sales force and third-party resellers, as well as related payroll taxes, are considered to be incremental and recoverable costs of obtaining a contract with a customer. These amounts have been capitalized as deferred commissions within prepaid and other current assets and other assets on the condensed consolidated balance sheets. The Company deferred incremental costs of obtaining a contract of $11.2 and $19.0 million during the three and six months ended June 30, 2020, respectively, and $6.4 million and $13.7 million during the three and six months ended June 30, 2019, respectively.
Deferred commissions, net included in prepaid and other current assets were $24.9 million and $19.9 million as of June 30, 2020 and December 31, 2019, respectively. Deferred commissions, net included in other assets were $46.7 million and $43.5 million as of June 30, 2020 and December 31, 2019, respectively.
Deferred commissions are typically amortized over a period of benefit of five years. The period of benefit was estimated by considering factors such as historical customer attrition rates, the useful life of the Company’s technology, and the impact of competition in its industry. Amortized costs were $5.7 million and $10.8 million for the three and six months ended June 30, 2020, respectively, and $4.2 million and $8.1 million for the three and six months ended June 30, 2019, respectively. Amortized costs are included in sales and marketing expense in the accompanying condensed consolidated statements of operations. There was no impairment loss in relation to the deferred costs for any period presented.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Property and equipment, net
Equipment is stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful life of the related asset, which is generally three to seven years. Leasehold improvements are amortized on a straight-line basis over the shorter of their estimated useful lives or the term of the related lease.
The following table presents the estimated useful lives of property and equipment:

Property and equipment |  | Useful life
Buildings |  | 20 to 30 years
Datacenter and other computer equipment |  | 3 to 5 years
Office equipment and other |  | 3 to 7 years
Leasehold improvements |  | Lesser of estimated useful life or remaining lease term

Lease obligations
The Company leases office space, datacenters, and equipment under non-cancelable finance and operating leases with various expiration dates through 2036. The Company determines if an arrangement contains a lease at inception.
Operating lease right-of-use assets and lease liabilities are recognized at the present value of the future lease payments at commencement date. The interest rate implicit in the Company’s operating leases is not readily determinable, and therefore an incremental borrowing rate is estimated to determine the present value of future payments. The estimated incremental borrowing rate factors in a hypothetical interest rate on a collateralized basis with similar terms, payments, and economic environments. Operating lease right-of-use assets also include any prepaid lease payments and lease incentives.
Certain of the operating lease agreements contain rent concession, rent escalation, and option to renew provisions. Rent concession and rent escalation provisions are considered in determining the single lease cost to be recorded over the lease term. Single lease cost is recognized on a straight-line basis over the lease term commencing on the date the Company has the right to use the leased property. The lease terms may include options to extend or terminate the lease. The Company generally uses the base, non-cancelable, lease term when recognizing the lease assets and liabilities, unless it is reasonably certain that the option will be exercised.
In addition, certain operating lease agreements contain tenant improvement allowances from its landlords. These allowances are accounted for as lease incentives and decrease the Company's right-of-use asset and reduce single lease cost over the lease term.
The Company leases certain equipment from various third parties, through equipment finance leases. These leases either include a bargain purchase option, a full transfer of ownership at the completion of the lease term, or the terms of the leases are at least 75 percent of the useful lives of the assets and are therefore classified as finance leases. These leases are capitalized in property and equipment, net and the related amortization of assets under finance leases is included in depreciation and amortization expense in the Company’s condensed consolidated statements of operations. Initial asset values and finance lease obligations are based on the present value of future minimum lease payments.
The Company’s finance lease agreements may contain lease and non-lease components. The non-lease components include payments for support on infrastructure equipment obtained via finance leases, which when not significant in relation to the overall agreement, are combined with the lease components and accounted for together as a single lease component.
Business combinations
The Company uses best estimates and assumptions, including but not limited to, future expected cash flows, expected asset lives, and discount rates, to assign a fair value to the tangible and intangible assets acquired and liabilities assumed in business combinations as of the acquisition date. These estimates are inherently uncertain and subject to refinement. During the measurement period, which may be up to one year from the acquisition date, adjustments to the fair value of these tangible and intangible assets acquired and liabilities assumed may be recorded, with the corresponding offset to goodwill.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Upon the conclusion of the measurement period or final determination of the fair value of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded to the Company’s condensed consolidated statements of operations.
Long-lived assets, including goodwill and other acquired intangible assets, net
The Company evaluates the recoverability of its property and equipment and finite-lived intangible assets for possible impairment whenever events or circumstances indicate that the carrying amount of such assets may not be recoverable. The evaluation is performed at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. Recoverability of these assets is measured by a comparison of the carrying amounts to the future undiscounted cash flows the assets are expected to generate. If such review determines that the carrying amount of specific property and equipment or intangible assets is not recoverable, the carrying amount of such assets is reduced to its fair value.
The Company reviews goodwill for impairment at least annually in the fourth quarter, or more frequently if events or changes in circumstances would more likely than not reduce the fair value of its single reporting unit below its carrying value.
The Company has not recorded impairment charges on property and equipment, goodwill, or intangible assets for the periods presented in these condensed consolidated financial statements.
Acquired property and equipment and finite-lived intangible assets are amortized over their useful lives. The Company evaluates the estimated remaining useful life of these assets when events or changes in circumstances warrant a revision to the remaining period of amortization. If the Company revises the estimated useful life assumption for any asset, the remaining unamortized balance is amortized or depreciated over the revised estimated useful life on a prospective basis.
Income taxes
Deferred income tax balances reflect the effects of temporary differences between the financial reporting and tax bases of the Company’s assets and liabilities using enacted tax rates expected to apply when taxes are actually paid or recovered. In addition, deferred tax assets are recorded for net operating loss and credit carryforwards.
A valuation allowance is provided against deferred tax assets unless it is more likely than not that they will be realized based on all available positive and negative evidence. Such evidence includes, but is not limited to, recent cumulative earnings or losses, expectations of future taxable income by taxing jurisdiction, and the carry-forward periods available for the utilization of deferred tax assets.
The Company uses a two-step approach to recognizing and measuring uncertain income tax positions. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates it is more likely than not that the position will be sustained on audit. The second step is to measure the tax benefit as the largest amount which is more than 50% likely of being realized upon ultimate settlement. The Company recognizes interest and penalties related to unrecognized tax benefits as income tax expense.
Although the Company believes that it has adequately reserved for its uncertain tax positions, it can provide no assurance that the final tax outcome of these matters will not be materially different. The Company evaluates its uncertain tax positions on a regular basis and evaluations are based on a number of factors, including changes in facts and circumstances, changes in tax law, such as the 2017 Tax Cuts and Jobs Act ("2017 Tax Reform Act"), the 2020 Coronavirus Aid, Relief, and Economic Security Act ("2020 CARES Act"), and the California 2020 Budget Act, correspondence with tax authorities during the course of an audit, and effective settlement of audit issues.
To the extent that the final tax outcome of these matters is different than the amounts recorded, such differences will affect the provision for income taxes in the period in which such determination is made and could have a material impact on the Company’s financial condition and results of operations.
Fair value measurement
The Company applies fair value accounting for all financial assets and liabilities and non-financial assets and liabilities that are recognized or disclosed at fair value in the financial statements on a recurring basis. The Company defines fair value as the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
participants at the measurement date. When determining fair value measurements for assets and liabilities, the Company considers the principal or most advantageous market in which it would transact and the market-based risk measurements or assumptions that market participants would use in pricing the asset or liability, such as risks inherent in valuation techniques, transfer restrictions, and credit risk. Fair value is estimated by applying the following hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement:
Level 1—Quoted prices in active markets for identical assets or liabilities.
Level 2—Observable inputs other than quoted prices in active markets for identical assets and liabilities, quoted prices for identical or similar assets or liabilities in inactive markets, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
Level 3—Inputs that are generally unobservable and typically reflect management’s estimate of assumptions that market participants would use in pricing the asset or liability.
Recently adopted accounting pronouncements
In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires the measurement and recognition of expected credit losses for financial assets held at amortized cost. It also eliminates the concept of other-than-temporary impairment and requires credit losses related to available-for-sale debt securities to be recorded through an allowance for credit losses rather than as a reduction in the amortized cost basis of the securities. The Company adopted ASU No. 2016-13 on January 1, 2020 using the modified retrospective approach. The cumulative impact of transition to retained earnings, recorded as of the adoption date, was not material to the Company's consolidated financial statements. The Company did not record any material credit losses during the three and six months ended June 30, 2020.
In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820), which amends disclosure requirements for fair value measurements by requiring new disclosures, modifying existing requirements, and eliminating others. The amendments are the result of a broader disclosure project, which aims to improve the effectiveness of disclosures. The Company adopted ASU No. 2018-13 on January 1, 2020. The adoption of the standard did not have a material impact on the Company's consolidated financial statements.
In August 2018, the FASB issued ASU No. 2018-15, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40), Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract. The amendments in ASU No. 2018-15 amend the definition of a hosting arrangement and requires a customer in a hosting arrangement that is a service contract to capitalize certain costs as if the arrangement were an internal-use software project. The Company adopted ASU No. 2018-15 on January 1, 2020. The adoption of the standard did not have a material impact on the Company's consolidated financial statements.
In December 2019, the FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes. This ASU simplifies accounting for income taxes by removing the exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or gain for other items, the exception to the requirement to recognize a deferred tax liability for equity method investments when a foreign subsidiary becomes an equity method investment, the exception to the ability not to recognize a deferred tax liability for a foreign subsidiary when a foreign equity method investment becomes a subsidiary, and the exception to the general methodology for calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. This ASU also includes other requirements related to franchise tax, goodwill as part of a business combination, consolidations, changes in tax laws, and affordable housing projects. The Company adopted ASU No. 2019-12 on January 1, 2020. The adoption of the standard did not have a material impact on the Company's consolidated financial statements.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

Note 2. | Cash, Cash Equivalents and Short-Term Investments

The amortized cost, unrealized gains and losses and estimated fair value of the Company's cash, cash equivalents and short-term investments as of June 30, 2020 and December 31, 2019 consisted of the following:

| As of June 30, 2020
| Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Estimated Fair Value
Cash | $ | 88.5 |  |  | $ | — |  |  | $ | — |  |  | $ | 88.5 |
Cash equivalents |  |  |  |  |  |  |  |  |  |  |
Money market funds | 241.6 |  |  | — |  |  | (0.1 | ) |  | 241.5 |
Municipal securities | 1.8 |  |  | — |  |  | — |  |  | 1.8 |
Commercial paper | 1.2 |  |  | — |  |  | — |  |  | 1.2 |
Corporate notes and obligations | 1.1 |  |  | — |  |  | — |  |  | 1.1 |
Total cash and cash equivalents | $ | 334.2 |  |  | $ | — |  |  | $ | (0.1 | ) |  | $ | 334.1 |
Short-term investments |  |  |  |  |  |  |
Corporate notes and obligations | 358.3 |  |  | 3.3 |  |  | (0.2 | ) |  | 361.4 |
U.S. Treasury securities | 234.1 |  |  | 1.7 |  |  | — |  |  | 235.8 |
Asset backed securities | 83.0 |  |  | 0.7 |  |  | (0.1 | ) |  | 83.6 |
Commercial paper | 40.0 |  |  | — |  |  | — |  |  | 40.0 |
U.S. agency obligations | 27.8 |  |  | 0.1 |  |  | — |  |  | 27.9 |
Certificates of deposit | 26.0 |  |  | — |  |  | — |  |  | 26.0 |
Municipal securities | 5.9 |  |  | 0.1 |  |  | — |  |  | 6.0 |
Foreign government obligations | 2.8 |  |  | — |  |  | — |  |  | 2.8 |
Total short-term investments | 777.9 |  |  | 5.9 |  |  | (0.3 | ) |  | 783.5 |
Total | $ | 1,112.1 |  |  | $ | 5.9 |  |  | $ | (0.4 | ) |  | $ | 1,117.6 |

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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

| As of December 31, 2019
| Amortized cost |  | Unrealized gain |  | Unrealized loss |  | Estimated fair value
Cash | $ | 105.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 105.0 |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | 444.3 |  |  | — |  |  | — |  |  | 444.3 |
Commercial paper | 2.0 |  |  | — |  |  | — |  |  | 2.0 |
Total cash and cash equivalents | $ | 551.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 551.3 |
Short-term investments |  |  |  |  |  |  | — |
Corporate notes and obligations | 285.5 |  |  | 1.2 |  |  | (0.1 | ) |  | 286.6 |
U.S. Treasury securities | 171.0 |  |  | 0.3 |  |  | — |  |  | 171.3 |
Asset backed securities | 53.8 |  |  | — |  |  | — |  |  | 53.8 |
Certificates of deposit | 38.2 |  |  | — |  |  | — |  |  | 38.2 |
U.S. agency obligations | 27.2 |  |  | — |  |  | — |  |  | 27.2 |
Commercial paper | 24.2 |  |  | — |  |  | — |  |  | 24.2 |
Supranational securities | 4.0 |  |  | — |  |  | — |  |  | 4.0 |
Municipal securities | 2.4 |  |  | — |  |  | — |  |  | 2.4 |
Total short-term investments | 606.3 |  |  | 1.5 |  |  | (0.1 | ) |  | 607.7 |
Total | $ | 1,157.6 |  |  | $ | 1.5 |  |  | $ | (0.1 | ) |  | $ | 1,159.0 |

Included in cash and cash equivalents is cash in transit from payment processors for credit and debit card transactions of $13.2 million and $11.5 million as of June 30, 2020 and December 31, 2019, respectively.
All short-term investments were designated as available-for-sale securities as of June 30, 2020 and December 31, 2019. The total fair value of short-term investments was $783.5 million and $607.7 million as of June 30, 2020 and December 31, 2019, respectively.
The following table presents the contractual maturities of the Company’s short-term investments as of June 30, 2020:

| As of June 30, 2020
| Amortized cost |  | Estimated fair value
Due within one year | 434.1 |  |  | 435.7 |
Due between one to three years | 304.2 |  |  | 307.9 |
Due after three years | 39.6 |  |  | 39.9 |
Total | $ | 777.9 |  |  | $ | 783.5 |

The Company had 52 short-term investments in unrealized loss positions as of June 30, 2020. There were no material unrealized losses from available-for-sale securities and no material realized gains or losses from available-for-sale securities that were reclassified out of accumulated other comprehensive income (loss) for the three and six months ended June 30, 2020.
As of June 30, 2020, the Company’s short-term investments portfolio consisted of eight security types, two of which were in an unrealized loss position. The Company’s corporate notes and obligations and asset backed securities had unrealized losses of approximately $0.2 million and $0.1 million, respectively as of June 30, 2020. Unrealized losses on corporate notes and obligations and asset backed securities have not been recorded into income because management does not intend to sell nor will be required to sell these securities prior to their anticipated recovery, and for which the decline in fair value is largely due to changes in credit spreads. The credit ratings associated with the corporate notes and obligations and asset backed securities are mostly unchanged, are highly rated and the issuers continue to make timely principal and interest payments.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
The Company recorded interest income from its cash, cash equivalents, and short-term investments of $2.7 million and $7.8 million during the three and six months ended June 30, 2020, respectively, and $5.6 million and $11.8 during the three and six months ended June 30, 2019, respectively.

Note 3. | Fair Value Measurements

The Company measures its financial instruments at fair value each reporting period using a fair value hierarchy that prioritizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. A financial instrument’s classification within the fair value hierarchy is based upon the lowest level of input that is significant to the fair value measurement.
The following table presents information about the Company’s financial instruments that are measured at fair value on a recurring basis using the input categories discussed in Note 1:

| As of June 30, 2020
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 241.5 |  |  | $ | — |  |  | $ | — |  |  | $ | 241.5 |
Municipal securities | — |  |  | 1.8 |  |  | — |  |  | 1.8 |
Commercial paper | — |  |  | 1.2 |  |  | — |  |  | 1.2 |
Corporate notes and obligations | — |  |  | 1.1 |  |  | — |  |  | 1.1 |
Total cash equivalents | $ | 241.5 |  |  | $ | 4.1 |  |  | $ | — |  |  | $ | 245.6 |
Short-term investments |  |  |  |  |  |  |
Corporate notes and obligations | — |  |  | 361.4 |  |  | — |  |  | 361.4 |
U.S. Treasury securities | — |  |  | 235.8 |  |  | — |  |  | 235.8 |
Asset backed securities | — |  |  | 83.6 |  |  | — |  |  | 83.6 |
Commercial paper | — |  |  | 40.0 |  |  | — |  |  | 40.0 |
U.S. agency obligations | — |  |  | 27.9 |  |  | — |  |  | 27.9 |
Certificates of deposit | — |  |  | 26.0 |  |  | — |  |  | 26.0 |
Municipal securities | — |  |  | 6.0 |  |  | — |  |  | 6.0 |
Foreign government obligations | — |  |  | 2.8 |  |  | — |  |  | 2.8 |
Total short-term investments | — |  |  | 783.5 |  |  | — |  |  | 783.5 |
Total | $ | 241.5 |  |  | $ | 787.6 |  |  | $ | — |  |  | $ | 1,029.1 |

The Company has an investment in a non-marketable equity security in a privately held company without a readily determinable market value. The investment has a carrying value of $5.6 million and is categorized as Level 3.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

| As of December 31, 2019
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 444.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 444.3 |
Commercial paper | — |  |  | 2.0 |  |  | — |  |  | 2.0 |
Total Cash Equivalents | $ | 444.3 |  |  | $ | 2.0 |  |  | $ | — |  |  | $ | 446.3 |
Short-term investments |  |  |  |  |  |  |
Corporate notes and obligations | — |  |  | 286.6 |  |  | — |  |  | 286.6 |
U.S. Treasury securities | — |  |  | 171.3 |  |  | — |  |  | 171.3 |
Asset-backed securities | — |  |  | 53.8 |  |  | — |  |  | 53.8 |
Certificates of deposit | — |  |  | 38.2 |  |  | — |  |  | 38.2 |
U.S. agency obligations | — |  |  | 27.2 |  |  | — |  |  | 27.2 |
Commercial paper | — |  |  | 24.2 |  |  | — |  |  | 24.2 |
Supranational securities | — |  |  | 4.0 |  |  | — |  |  | 4.0 |
Municipal securities | — |  |  | 2.4 |  |  | — |  |  | 2.4 |
Total short-term investments | — |  |  | 607.7 |  |  | — |  |  | 607.7 |
Equity investments | 9.8 |  |  | — |  |  | — |  |  | 9.8 |
Total | $ | 454.1 |  |  | $ | 609.7 |  |  | $ | — |  |  | $ | 1,063.8 |

The Company had no transfers between levels of the fair value hierarchy.
The carrying amounts of certain financial instruments, including cash held in banks, accounts receivable and accounts payable approximate fair value due to their short-term maturities and are excluded from the fair value table above.

Note 4. | Property and Equipment, Net

Property and equipment, net consisted of the following:

| As of
| June 30, 2020 |  | December 31, 2019
Datacenter and other computer equipment | $ | 806.0 |  |  | $ | 749.3 |
Furniture and fixtures | 39.6 |  |  | 35.5 |
Leasehold improvements | 240.0 |  |  | 211.4 |
Construction in progress | 46.2 |  |  | 36.3 |
Total property and equipment | 1,131.8 |  |  | 1,032.5 |
Accumulated depreciation and amortization | (656.2 | ) |  | (587.2 | )
Property and equipment, net | $ | 475.6 |  |  | $ | 445.3 |

The Company leases certain infrastructure from various third parties, through equipment finance leases. Infrastructure assets as of June 30, 2020 and December 31, 2019, respectively included a total of $333.7 million and $321.8 million acquired under finance lease agreements. These leases are capitalized in property and equipment, and the related amortization of assets under finance leases is included in depreciation and amortization expense. The accumulated depreciation of the infrastructure under finance leases totaled $120.8 million and $124.6 million as of June 30, 2020 and December 31, 2019, respectively.
Construction in progress includes costs primarily related to construction of leasehold improvements for office buildings and datacenters.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Depreciation expense related to property and equipment was $36.5 million and $72.5 million for the three and six months ended June 30, 2020, respectively, and $42.3 and $85.4 million for the three and six months ended June 30, 2019, respectively.

Note 5. | Business Combinations

On February 8, 2019, the Company acquired all outstanding stock of JN Projects, Inc. (d/b/a HelloSign) ("HelloSign"), which provides an e-signature and document workflow platform. The acquisition of HelloSign expands the Company's content collaboration capabilities to include additional business-critical workflows. The results of HelloSign operations have been included in the Company’s consolidated results of operations since the date of acquisition.
The purchase consideration transferred consisted of the following:

| Purchase consideration
Cash paid to common and preferred stockholders and vested option holders | $ | 175.2 |
Transaction costs paid by Dropbox on behalf of HelloSign | 2.4 |
Fair value of assumed HelloSign options attributable to pre-combination services(1) | 0.8 |
Purchase price adjustments | (0.5 | )
Total purchase consideration | $ | 177.9 |

(1) The fair value of options assumed were based upon the Black-Scholes option-pricing model.
In addition to the total purchase consideration above, the Company has employee holdback agreements with key HelloSign personnel consisting of $48.5 million in cash payments subject to on-going employee service. The related expenses are recognized within research and development expenses over the required service period of three years. The payments began in the first quarter of 2020, with $4.0 million and $20.2 million paid during the three and six months ended June 30, 2020. The remaining balance of $28.3 million will be paid evenly in quarterly installments over the remaining required service period.
The purchase consideration was allocated to the tangible and intangible assets and liabilities acquired as of the acquisition date, with the excess recorded to goodwill as shown below.

Assets acquired: |
Cash and cash equivalents | $ | 5.5 |
Short-term investments | 7.8 |
Acquisition-related intangible assets | 44.6 |
Accounts receivable, prepaid and other assets | 5.0 |
Total assets acquired | $ | 62.9 |
Liabilities assumed: |
Accounts payable, accrued and other liabilities | $ | 6.3 |
Deferred revenue | 4.8 |
Deferred tax liability | 6.9 |
Total liabilities assumed | 18.0 |
Net assets acquired, excluding goodwill | 44.9 |
Total purchase consideration | 177.9 |
Goodwill(2) | $ | 133.0 |

(2) The goodwill recognized was primarily attributable to the opportunity to expand the user base of the Company's platform. The goodwill is not deductible for U.S. federal income tax purposes.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
The fair value of the separately identifiable finite-lived intangible assets acquired and estimated weighted average useful lives are as follows:

| Estimated fair values |  | Estimated weighted average useful lives (In years)
Customer relationships | $ | 20.5 |  |  | 4.9
Developed technology | 19.6 |  |  | 5.0
Trade name | 4.5 |  |  | 5.0
Total acquisition-related intangible assets | $ | 44.6 |  |  |

The fair values of the acquisition-related intangibles were determined using the following methodologies: the multi-period excess earnings method, replacement cost method, and the relief from royalty method, for customer relationships, developed technology, and the trade name, respectively. The valuation model inputs required the application of significant judgment by management. At the time of acquisition, the acquired intangible assets had a total weighted average amortization period of 4.9 years.
One-time acquisition-related diligence costs of $1.0 million were expensed within general and administrative expenses as incurred during the six months ended June 30, 2019.

Note 6. | Intangible Assets

Intangible assets consisted of the following:

| As of June 30, |  | As of December 31, |  | Weighted- average remaining useful life (In years)
| 2020 |  | 2019 |
Developed technology | $ | 25.8 |  |  | $ | 25.8 |  |  | 3.6
Customer relationships | 20.5 |  |  | 20.5 |  |  | 3.7
Software | 20.2 |  |  | 20.0 |  |  | 1.4
Patents | 13.0 |  |  | 13.0 |  |  | 7.4
Assembled workforce in asset acquisitions | 12.6 |  |  | 12.6 |  |  | 0.5
Trademarks and trade names | 5.2 |  |  | 5.2 |  |  | 3.6
Licenses | 4.6 |  |  | 4.6 |  |  | 1.0
Other | 3.3 |  |  | 3.3 |  |  | 5.1
Total intangibles | 105.2 |  |  | 105.0 |  |  |
Accumulated amortization | (64.7 | ) |  | (57.6 | ) |  |
Intangible assets, net | $ | 40.5 |  |  | $ | 47.4 |  |  |

Amortization expense was $3.5 million and $7.0 million for the three and six months ended June 30, 2020, respectively, and $3.7 million and $6.5 million for the three and six months ended June 30, 2019, respectively.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Expected future amortization expense for intangible assets as of June 30, 2020 is as follows:

Remaining six months of Fiscal 2020 | $ | 7.0 |
2021 | 11.6 |
2022 | 8.3 |
2023 | 7.5 |
2024 | 3.4 |
Thereafter | 2.7 |
Total | $ | 40.5 |

Note 7. | Goodwill

Goodwill represents the excess of the purchase price in a business combination over the fair value of net tangible and intangible assets acquired. The changes in the carrying amounts of goodwill were as follows:

Balance at December 31, 2019 | $ | 234.5 |
Effect of foreign currency translation | 0.2 |
Balance at June 30, 2020 | $ | 234.7 |

Goodwill amounts are not amortized, but tested for impairment on an annual basis. There was no impairment of goodwill as of June 30, 2020 and December 31, 2019.

Note 8. | Revolving Credit Facility

In April 2017, the Company entered into an amended and restated credit and guaranty agreement which provided for a $600.0 million revolving loan facility (as amended from time to time, the “revolving credit facility”). In conjunction with the revolving credit facility, the Company paid upfront issuance fees of $2.6 million, which are being amortized over the five-year term of the agreement.
In February 2018, the Company amended the revolving credit facility to, among other things, permit the Company to make certain investments, enter into an unsecured standby letter of credit facility and increase its standby letter of credit sublimit to $187.5 million. The Company increased its borrowing capacity under the revolving credit facility from $600.0 million to $725.0 million. The Company may from time to time request increases in its borrowing capacity under the revolving credit facility of up to $275.0 million, provided no event of default has occurred or is continuing or would result from such increase. In conjunction with the amendment, the Company paid upfront issuance fees of $0.4 million, which are being amortized over the remaining term of the agreement.
Pursuant to the terms of the revolving credit facility, the Company may issue letters of credit under the revolving credit facility, which reduce the total amount available for borrowing. Pursuant to the terms of the revolving credit facility, the Company is required to pay an annual commitment fee that accrues at a rate of 0.20% per annum on the unused portion of the borrowing commitments under the revolving credit facility. In addition, the Company is required to pay a fee in connection with letters of credit issued under the revolving credit facility, which accrues at a rate of 1.5% per annum on the amount of such letters of credit outstanding. There is an additional fronting fee of 0.125% per annum multiplied by the average aggregate daily maximum amount available under all letters of credit. Borrowings under the revolving credit facility bear interest, at the Company’s option, at an annual rate based on LIBOR plus a spread of 1.50% or at an alternative base rate plus a spread of 0.50%.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
The revolving credit facility contains customary conditions to borrowing, events of default and covenants, including covenants that restrict the Company’s ability to incur indebtedness, grant liens, make distributions to holders of the Company or its subsidiaries’ equity interests, make investments, or engage in transactions with its affiliates. In addition, the revolving credit facility contains financial covenants, including a consolidated leverage ratio covenant and a minimum liquidity balance of $100.0 million, which includes any available borrowing capacity. The Company was in compliance with the covenants of the revolving credit facility as of June 30, 2020 and December 31, 2019, respectively.
The Company had an aggregate of $45.6 million of letters of credit outstanding under the revolving credit facility as of June 30, 2020, and the Company’s total available borrowing capacity under the revolving credit facility was $679.4 million as of June 30, 2020. The Company’s letters of credit expire between September 2020 and September 2023.

Note 9. | Leases

The Company has operating leases for corporate offices and datacenters, and finance leases for infrastructure equipment. The Company’s leases have remaining lease terms of 1 year to 16 years, some of which include options to extend the leases for up to 5 years.
The Company also has subleases of former corporate offices. Subleases have remaining lease terms of 1 year to 3 years. Sublease income, which is recorded as a reduction of rental expense, was $1.7 million and $3.5 million for the three and six months ended June 30, 2020, respectively, and $1.6 million and $3.5 million for the three and six months ended June 30, 2019, respectively.
In 2017, the Company entered into a lease agreement for office space in San Francisco, California, to serve as its new corporate headquarters. The Company took initial possession of the first phase of its new corporate headquarters in June 2018, and began to recognize single lease cost related to the first phase. In that same period, the Company recorded a lease incentive obligation related to tenant improvement reimbursements associated with the first phase. In April 2019, the Company took possession of the second phase, and began to recognize additional lease costs and recorded an additional lease obligation, net of tenant improvement reimbursements related to the second phase. In December 2019, the Company took possession of the final phase, and began to recognize lease costs and lease obligation, net of tenant improvement reimbursements related to the third phase. The Company's total expected minimum obligations for all three phases of the lease are $842.7 million, which exclude expected tenant improvement reimbursements from the landlord of approximately $75.0 million and variable operating expenses. As of June 30, 2020, the remaining total expected minimum obligations are $815.9 million. The Company’s obligations under the lease are supported by a $34.2 million letter of credit, which reduced the borrowing capacity under the revolving credit facility. In the six months ended June 30, 2020, the Company collected tenant improvement reimbursements from the landlord totaling $14.7 million.
Future minimum lease payments under non-cancellable leases as of June 30, 2020 were as follows:

Year ending December 31, | Operating leases(1) |  | Finance leases
2020 (excluding the six months ended June 30, 2020) | $ | 63.3 |  |  | $ | 47.5 |
2021 | 120.3 |  |  | 85.8 |
2022 | 112.2 |  |  | 71.7 |
2023 | 95.6 |  |  | 38.1 |
2024 | 84.5 |  |  | 5.4 |
Thereafter | 644.3 |  |  | — |
Total future minimum lease payments | 1,120.2 |  |  | 248.5 |
Less imputed interest | (251.6 | ) |  | (12.6 | )
Less tenant improvement receivables | (14.7 | ) |  | — |
Total liability | $ | 853.9 |  |  | $ | 235.9 |

(1) Consists of future non-cancelable minimum rental payments under operating leases for the Company’s corporate offices and datacenters where the Company has possession, excluding rent payments from the Company’s sub-tenants and variable operating expenses.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
As of June 30, 2020, the Company is entitled to non-cancelable rent payments from its sub-tenants of $28.0 million, which will be collected over the next 1 to 3 years.
As of June 30, 2020, the Company had commitments of $130.6 million for operating leases that have not yet commenced, and therefore are not included in the right-of-use asset or operating lease liability. These operating leases will commence between 2020 and 2021 with lease terms of 5 years to 15 years.

Note 10. | Commitments and Contingencies

Legal matters
From time to time, the Company is a party to a variety of claims, lawsuits, and proceedings which arise in the ordinary course of business, including claims of alleged infringement of intellectual property rights. The Company records a liability when it believes that it is probable that a loss will be incurred and the amount of loss or range of loss can be reasonably estimated. In its opinion, resolution of pending matters is not likely to have a material adverse impact on its condensed consolidated results of operations, cash flows, or its financial position. Given the unpredictable nature of legal proceedings, the Company bases its estimate on the information available at the time of the assessment. As additional information becomes available, the Company reassesses the potential liability and may revise the estimate.
The Company is currently involved in four putative class action lawsuits alleging violations of the federal securities laws that were filed on August 30, 2019, September 5, 2019, September 13, 2019, and October 3, 2019, in the Superior Court of the State of California, San Mateo County, against the Company, certain of its officers and directors, underwriters of its IPO, and Sequoia Capital XII, L.P. and certain of its affiliated entities (collectively, the "Dropbox Defendants"). On October 4, 2019, two putative class action lawsuits alleging violations of the federal securities laws were filed against the Dropbox Defendants in the U.S. District Court for the Northern District of California (the "Federal Plaintiffs"). The six lawsuits each make the same or similar allegations of violations of federal securities laws, for allegedly making materially false and misleading statements in, or omitting material information from, the Company's IPO registration statement. The plaintiffs seek unspecified monetary damages and other relief. On March 2, 2020, the Federal Plaintiffs filed a consolidated class action complaint. On April 16, 2020, the Dropbox Defendants filed a motion to dismiss the federal consolidated class action complaint. On May 11, 2020, the Dropbox Defendants filed a motion to dismiss the consolidated state court case based on the exclusive federal forum provisions contained in the Company's amended and restated bylaws. The Company believes the cases are without merit and intends to vigorously defend them. The Company does not currently believe that this matter is likely to have a material adverse impact on its consolidated results of operations, cash flows, or financial position.
Indemnification
The Company’s arrangements generally include certain provisions for indemnifying customers against liabilities if its products or services infringe a third party’s intellectual property rights. It is not possible to determine the maximum potential amount under these indemnification obligations due to the limited history of prior indemnification claims.
Other commitments
Other commitments include payments to third-party vendors for services related to the Company’s infrastructure, infrastructure warranty contracts, and asset retirement obligations for office modifications. There have been no material changes in the Company's other commitments, as disclosed in the Annual Report.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

Note 11. | Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following:

| As of
| June 30, 2020 |  | December 31, 2019
Non-income taxes payable | $ | 87.9 |  |  | $ | 92.2 |
Accrued legal and other external fees | 18.7 |  |  | 29.2 |
Other accrued and current liabilities | 27.9 |  |  | 40.5 |
Total accrued and other current liabilities | $ | 134.5 |  |  | $ | 161.9 |

Note 12. | Stockholders’ Equity

Common stock
The Company’s amended and restated certificate of incorporation authorizes the issuance of Class A common stock, Class B common stock, and Class C common stock. Holders of Class A common stock, Class B common stock, and Class C common stock are entitled to dividends on a pro rata basis, when, as, and if declared by the Company’s Board of Directors, subject to the rights of the holders of the Company’s preferred stock. Holders of Class A common stock are entitled to one vote per share, holders of Class B common stock are entitled to 10 votes per share, and holders of Class C common stock are entitled to zero votes per share.
Holders of Class B common stock voluntarily converted 53.5 million and 63.4 million shares into an equivalent number of shares of Class A common stock during the three and six months ended June 30, 2020, respectively, and 25.9 million and 37.7 million during the three and six months ended June 30, 2019, respectively.
As of June 30, 2020, the Company had authorized 2,400.0 million shares of Class A common stock, 475.0 million shares of Class B common stock, and 800.0 million shares of Class C common stock, each at par value of $0.00001. As of June 30, 2020, 316.1 million shares of Class A common stock, 97.9 million shares of Class B common stock, and no shares of Class C common stock were issued and outstanding. As of December 31, 2019, 255.8 million shares of Class A common stock, 161.2 million shares of Class B common stock, and no shares of Class C common stock were issued and outstanding. Class A shares issued and outstanding as of June 30, 2020 and December 31, 2019 exclude restricted stock awards granted to certain executives during the year. Class A shares issued and outstanding also excludes 10.3 million and 14.7 million unvested restricted stock awards granted to the Company's co-founders as of June 30, 2020 and December 31, 2019, respectively. See "Co-Founder Grants" section below for further details.
Preferred stock
The Company's Board of Directors will have the authority, without further action by the Company's stockholders, to issue up to 240.0 million shares of undesignated preferred stock with rights and preferences, including voting rights, designated from time to time by the Board of Directors.
Stock repurchase program
In February 2020, the Company's Board of Directors approved a stock repurchase program for the repurchase of up to $600 million of the Company’s outstanding shares of Class A common stock. Share repurchases will be subject to a review of the circumstances in place at that time and will be made from time to time in private transactions or open market purchases, as permitted by securities laws and other legal requirements. The program does not obligate the Company to repurchase any specific number of shares and may be discontinued at any time.
During the three and six months ended June 30, 2020, the Company repurchased and subsequently retired 3.7 million and 7.4 million shares respectively of its Class A common stock for an aggregate amount of $75.8 million and $139.8 million, respectively.
Equity incentive plans
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
Under the 2018 Plan, the Company may grant stock-based awards to purchase or directly issue shares of common stock to employees, directors, and consultants. Options are granted at a price per share equal to the fair market value of the Company's common stock at the date of grant. Options granted are exercisable over a maximum term of 10 years from the date of grant and generally vest over a period of four years. RSUs and RSAs are also granted under the 2018 Plan. The 2018 Plan will terminate 10 years after the later of (i) its adoption or (ii) the most recent stockholder-approved increase in the number of shares reserved under the 2018 Plan, unless terminated earlier by the Company's Board of Directors. The 2018 Plan was adopted on March 22, 2018.
In connection with the acquisition of HelloSign, the Company assumed unvested stock options that had been granted under HelloSign's 2011 Equity Incentive Plan.
As of June 30, 2020, there were 41.1 million stock-based awards issued and outstanding and 75.2 million shares available for issuance under the Dropbox Equity Incentive Plans and HelloSign's 2011 Equity Incentive Plan (collectively, the "Plans").
Stock option and restricted stock activity for the Plans was as follows for the six months ended June 30, 2020:

|  |  | Options outstanding |  | Restricted stock outstanding
| Number of shares available for issuance under the Plans |  | Number of shares outstanding under the Plans |  | Weighted- average exercise price per share |  | Weighted- average remaining contractual term (In years) |  | Aggregate intrinsic value |  | Number of shares outstanding under the Plans |  | Weighted- average grant date fair value per share
Balance at December 31, 2019 | 66.2 |  |  | 2.0 |  |  | $ | 12.28 |  |  | 6.5 |  |  | $ | 16.40 |  |  | 30.7 |  |  | $ | 20.48 |
Additional shares authorized | 21.7 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Options exercised and RSUs released | — |  |  | (0.3 | ) |  | 4.77 |  |  | — |  |  | — |  |  | (6.1 | ) |  | 20.01 |
Options and RSUs canceled | 5.9 |  |  | (0.2 | ) |  | 17.40 |  |  | — |  |  | — |  |  | (5.8 | ) |  | 20.25 |
Shares repurchased for tax withholdings on release of restricted stock units and awards | 2.2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 20.00 |
Restricted stock and options granted | (20.8 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | 20.8 |  |  | 18.64 |
Balance at June 30, 2020 | 75.2 |  |  | 1.5 |  |  | $ | 13.37 |  |  | 6.2 |  |  | $ | 12.70 |  |  | 39.6 |  |  | $ | 19.62 |
Vested at June 30, 2020 |  |  | 1.0 |  |  | $ | 16.47 |  |  | 5.5 |  |  | $ | 6.30 |  |  | — |  |  | $ | — |
Unvested at June 30, 2020 |  |  | 0.5 |  |  | $ | 5.55 |  |  |  |  | $ | 6.40 |  |  | 39.6 |  |  | $ | 19.62 |

The following table summarizes information about the pre-tax intrinsic value of options exercised during the three and six months ended June 30, 2020 and 2019:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Intrinsic value of options exercised | $ | 3.0 |  |  | $ | 1.4 |  |  | $ | 4.8 |  |  | $ | 4.5 |

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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
As of June 30, 2020, unamortized stock-based compensation related to unvested stock options, restricted stock awards (excluding the Co-Founder Grants), and RSUs was $741.1 million. The weighted-average period over which such compensation expense will be recognized if the requisite service is provided is approximately 3 years as of June 30, 2020.
Assumed stock options
In connection with the acquisition of HelloSign the Company assumed 0.9 million unvested stock options which were valued using the Black-Scholes option-pricing model. The fair value of stock options assumed were estimated using the following assumptions:

Expected volatility | 51.6 | %
Expected term (in years) | 3.4 - 7.0 |
Risk-free interest rate | 2.42% - 2.51% |
Dividend yield | — | %

Expected volatility. The expected volatility is based on the Company's historical volatility. Management believes this is the best estimate of the expected volatility over the expected life of its stock options.
Expected term. The Company determines the expected term based on the average period the stock options are expected to remain outstanding, generally calculated as the midpoint of the stock options’ remaining vesting term and contractual expiration period, as the Company does not have sufficient historical information to develop reasonable expectations about future exercise patterns and post-vesting employment termination behavior.
Risk-free interest rate. The risk-free interest rate is based on the U.S. Treasury security in effect at the time the options were assumed for maturities corresponding with the expected term of the option.
Expected dividend yield. The Company has not paid and does not expect to pay dividends. Consequently, the Company uses an expected dividend yield of zero.
The estimated weighted-average grant date fair value for stock options assumed was $21.60 per share and total fair value of $19.4 million, of which, $18.6 million will be recognized as post-combination stock-based compensation expense.
Co-Founder Grants
In December 2017, the Board of Directors approved a grant to the Company’s co-founders of non-Plan RSAs with respect to 14.7 million shares of Class A Common Stock in the aggregate (collectively, the “Co-Founder Grants”), of which 10.3 million RSAs were granted to Mr. Houston, the Company’s co-founder and Chief Executive Officer, and 4.4 million RSAs were granted to Mr. Ferdowsi, the Company's co-founder and a former director. These Co-Founder Grants have service-based, market-based, and performance-based vesting conditions. The Co-Founder Grants are excluded from Class A common stock issued and outstanding until the satisfaction of these vesting conditions. The Co-Founder Grants also provide the holders with certain stockholder rights, such as the right to vote the shares with the other holders of Class A common stock and a right to cumulative declared dividends. However, the Co-Founder Grants are not considered a participating security for purposes of calculating net income (loss) per share attributable to common stockholders in Note 13, "Net Income (Loss) Per Share", as the right to the cumulative declared dividends is forfeitable if the service condition is not met.
The Co-Founder Grants are eligible to vest over the ten-year period following the date the Company’s shares of Class A common stock commenced trading on the Nasdaq Global Select Market in connection with the Company’s IPO. The Co-Founder Grants comprise nine tranches that are eligible to vest based on the achievement of stock price goals, each of which are referred to as a Stock Price Target, measured over a consecutive thirty-day trading period during the Performance Period. The Performance Period began on January 1, 2019.
During the first four years of the Performance Period, no more than 20% of the shares subject to each Co-Founder Grant would be eligible to vest in any calendar year. After the first four years, all shares are eligible to vest based on the achievement of the Stock Price Targets.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
The Company calculated the grant date fair value of the Co-Founder Grants based on multiple stock price paths developed through the use of a Monte Carlo simulation. A Monte Carlo simulation also calculates a derived service period for each of the nine vesting tranches, which is the measure of the expected time to achieve each Stock Price Target. A Monte Carlo simulation requires the use of various assumptions, including the underlying stock price, volatility, and the risk-free interest rate as of the valuation date, corresponding to the length of time remaining in the performance period, and expected dividend yield. The weighted-average grant date fair value of each Co-Founder Grant was estimated to be $10.60 per share. The weighted-average derived service period of each Co-Founder Grant was estimated to be 5.2 years, and ranged from 2.9 - 6.9 years. As of the valuation date, the Company expected to recognize an aggregate stock-based compensation expense of $156.2 million over the derived service period of each tranche using the accelerated attribution method as long as the co-founders satisfy their service-based vesting conditions. If the Stock Price Targets are met sooner than the derived service period, the Company will adjust its stock-based compensation to reflect the cumulative expense associated with the vested awards. The Company will recognize expense if the requisite service is provided, regardless of whether the market conditions are achieved.
The Performance Vesting Condition for the Co-Founder Grants was satisfied on the date the Company’s shares of Class A common stock commenced trading on the Nasdaq Global Select Market in connection with the Company’s IPO, which was March 23, 2018.
In March 2020, one of the Company's co-founders, Mr. Ferdowsi, resigned as a member of the Board of Directors and as an officer of the Company. As of the date of Mr. Ferdowsi’s resignation, none of the Stock Price Targets had been met, resulting in the forfeiture of his 4.4 million RSAs. As he did not provide the requisite service associated with the Co-Founder Grants, the Company reversed all stock-based compensation expense that had been recognized from the grant date through March 19, 2020, which totaled $23.8 million, of which $21.5 million related to expense recognized prior to December 31, 2019, and ceased recognizing further expense related to the award.
The Company recognized stock-based compensation expense related to the Co-Founder Grant of $6.1 million and $12.2 million during the three and six months ended June 30, 2020, respectively, and $8.7 million and $17.3 million during the three and six months ended June 30, 2019, respectively. As of June 30, 2020, unamortized stock-based compensation expense related to the Co-Founder Grants was $46.8 million.

Note 13. | Net Income (Loss) Per Share

The Company computes net income (loss) per share using the two-class method required for multiple classes of common stock and participating securities. The rights, including the liquidation and dividend rights, of the Class A common stock and Class B common stock are substantially identical, other than voting rights. Accordingly, the Class A common stock and Class B common stock share equally in the Company’s net income and losses.
Basic net income (loss) per share is computed by dividing net income attributable to common stockholders by the weighted-average number of shares of the Class A and Class B common stock outstanding.
Diluted net income (loss) per share is computed by dividing net income attributable to common stockholders by the weighted-average number of diluted common shares outstanding. The computation of the diluted net income (loss) per share of Class A common stock assumes the conversion of our Class B common stock to Class A common stock, while the diluted net income (loss per share) of Class B common stock does not assume the conversion of those shares to Class A common stock. Diluted loss per share for the three and six months ended June 30, 2019 is the same as basic loss per share as there was a net loss for the period and inclusion of potentially issuable shares is anti-dilutive.
The numerators and denominators of the basic and diluted EPS computations for our common stock are calculated as follows (in millions, except for per share amounts
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

| Three months ended June 30, | Three months ended June 30,
| 2020 |  | 2019
| Class A |  | Class B |  | Class A |  | Class B
Basic net income (loss) per share: |  |  |  |  |  |  |
Numerator |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | $ | 11.9 |  |  | $ | 5.6 |  |  | $ | (12.0 | ) |  | $ | (9.4 | )
Denominator |  |  |  |  |  |  |
Weighted-average number of common shares outstanding used in computing basic net income (loss) per share | 281.5 |  |  | 132.7 |  |  | 231.1 |  |  | 181.3 |
Net income (loss) per common share, basic | $ | 0.04 |  |  | $ | 0.04 |  |  | $ | (0.05 | ) |  | $ | (0.05 | )
Diluted net income (loss) per share: |  |  |  |  |  |  |
Numerator |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | $ | 11.9 |  |  | $ | 5.6 |  |  | $ | (12.0 | ) |  | $ | (9.4 | )
Reallocation of net income as a result of conversion of Class B to Class A common stock | $ | 5.6 |  |  | — |  |  | — |  |  | — |
Reallocation of net income to Class B common stock | — |  |  | $ | (0.1 | ) |  | — |  |  | — |
Net income (loss) attributable to common stockholders for diluted EPS | $ | 17.5 |  |  | $ | 5.5 |  |  | $ | (12.0 | ) |  | $ | (9.4 | )
Denominator |  |  |  |  |  |  |
Weighted-average number of common shares outstanding used in computing basic net income (loss) per share | 281.5 |  |  | 132.7 |  |  | 231.1 |  |  | 181.3 |
Weighted-average effect of dilutive RSUs and employee stock options | 6.0 |  |  | 0.3 |  |  | — |  |  | — |
Conversion of Class B to Class A common stock | 132.7 |  |  | — |  |  | — |  |  | — |
Weighted-average number of common shares outstanding used in computed diluted net income (loss) per share | 420.2 |  |  | 133.0 |  |  | 231.1 |  |  | 181.3 |
Net income (loss) per common share, diluted | $ | 0.04 |  |  | $ | 0.04 |  |  | $ | (0.05 | ) |  | $ | (0.05 | )

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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

| Six months ended June 30, | Six months ended June 30,
| 2020 |  | 2019
| Class A |  | Class B |  | Class A |  | Class B
Basic net income (loss) per share: |  |  |  |  |  |  |
Numerator |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | $ | 37.0 |  |  | $ | 19.8 |  |  | $ | (15.8 | ) |  | $ | (13.3 | )
Denominator |  |  |  |  |  |  |
Weighted-average number of common shares outstanding used in computing basic net income (loss) per share | 270.7 |  |  | 145.0 |  |  | 223.2 |  |  | 188.3 |
Net income (loss) per common share, basic | $ | 0.14 |  |  | $ | 0.14 |  |  | $ | (0.07 | ) |  | $ | (0.07 | )
Diluted net income (loss) per share: |  |  |  |  |  |  |
Numerator |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | $ | 37.0 |  |  | $ | 19.8 |  |  | $ | (15.8 | ) |  | $ | (13.3 | )
Reallocation of net income as a result of conversion of Class B to Class A common stock | $ | 19.8 |  |  | — |  |  | — |  |  | — |
Reallocation of net income to Class B common stock | — |  |  | $ | (0.1 | ) |  | — |  |  | — |
Net income (loss) attributable to common stockholders for diluted EPS | $ | 56.8 |  |  | $ | 19.7 |  |  | $ | (15.8 | ) |  | $ | (13.3 | )
Denominator |  |  |  |  |  |  |
Weighted-average number of common shares outstanding used in computing basic net income (loss) per share | 270.7 |  |  | 145.0 |  |  | 223.2 |  |  | 188.3 |
Weighted-average effect of dilutive RSUs and employee stock options | 3.6 |  |  | 0.3 |  |  | — |  |  | — |
Conversion of Class B to Class A common stock | 145.0 |  |  | — |  |  | — |  |  | — |
Weighted-average number of common shares outstanding used in computed diluted net income (loss) per share | 419.3 |  |  | 145.3 |  |  | 223.2 |  |  | 188.3 |
Net income (loss) per common share, diluted | $ | 0.14 |  |  | $ | 0.14 |  |  | $ | (0.07 | ) |  | $ | (0.07 | )

The weighted-average impact of potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive was as follows:

| Three months ended June 30, |  | Six months ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Restricted stock units | 9.4 |  |  | 31.3 |  |  | 11.1 |  |  | 28.0 |
Options to purchase shares of common stock | 0.8 |  |  | 2.1 |  |  | 0.9 |  |  | 1.9 |
Co-Founder Grants | 10.3 |  |  | 14.7 |  |  | 12.2 |  |  | 14.7 |
Total | 20.5 |  |  | 48.1 |  |  | 24.2 |  |  | 44.6 |

Note 14. | Income Taxes

The Company computed the year-to-date income tax provision by applying the estimated annual effective tax rate to the year-to-date pre-tax income and adjusted for discrete tax items in the period. The Company's income tax was an expense of $4.4 million and $4.9 million for the three and six months ended June 30, 2020. The Company's income tax was an expense of $0.6 million and a benefit of $5.1 million for the three and six months ended June 30, 2019.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)
The income tax expense for the three and six months ended June 30, 2020 was primarily attributable to foreign and state income taxes.
For the periods presented, the difference between the U.S. statutory rate and the Company's effective tax rate is primarily due to the full valuation allowance on its U.S. and Irish deferred tax assets. The effective tax rate is also impacted by earnings realized in foreign jurisdictions with statutory tax rates lower than the federal statutory tax rate.
The Company periodically evaluates the realizability of its net deferred tax assets based on all available evidence, both positive and negative. The realization of net deferred tax assets is dependent on the Company's ability to generate sufficient future taxable income during periods prior to the expiration of tax attributes to fully utilize these assets. As of June 30, 2020, the Company continues to maintain a full valuation allowance on its deferred tax assets in the U.S. and Ireland. However, the Company has partially benefited from its deferred tax assets due to the recognition of forecasted future income which is more likely than not to be earned in one of its foreign jurisdictions.
The Company is subject to income tax audits in the U.S. and foreign jurisdictions. The Company records liabilities related to uncertain tax positions and believes that it has provided adequate reserves for income tax uncertainties in all open tax years.
Unrecognized tax benefits increased by approximately $4.0 million and $7.5 million for the three months and six months ended June 30, 2020, respectively, of which $1.4 million, if recognized, would affect the Company's effective tax rate. Additionally, unrecognized tax benefits decreased by approximately $0.2 million for the three months and six months ended June 30, 2020 for statute of limitation lapses related to prior period tax positions.
On June 29, 2020, California Governor Newsom signed Assembly Bill No. 85 as part of the California 2020 Budget Act which temporarily suspends the use of California net operating losses and imposes a cap on the amount of business incentive tax credits companies can utilize against their net income. This guidance does not have a material impact on our provision for income taxes in our consolidated financial statements as of June 30, 2020.
On June 7, 2019, a judicial panel of the Ninth Circuit Court of Appeals issued an opinion in Altera Corp. v. Commissioner that would require related parties in an intercompany cost-sharing arrangement to share expenses related to stock-based compensation. On July 22, 2019, the taxpayer requested an en banc rehearing before the full Ninth Circuit Court of Appeals and the request was denied on November 12, 2019. On February 10, 2020, the taxpayer filed a petition for writ of certiorari to the U.S. Supreme Court, which was denied on June 22, 2020. Accordingly, we have included stock-based compensation in our cost-sharing agreements and as a result, we recognized additional state tax expenses in some jurisdictions which do not have sufficient net operating losses to offset the state income. There was no material impact on our income tax provision for the U.S. and Ireland due to our full valuation allowance.
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DROPBOX, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Amounts in tables are in millions except per share data, or as otherwise noted)

Note 15. | Geographic Areas

Long-lived assets
The following table sets forth long-lived assets by geographic area:

| As of
| June 30, 2020 |  | December 31, 2019
| — |  |  |
United States | $ | 464.7 |  |  | $ | 431.9 |
International(1) | 10.9 |  |  | 13.4 |
Total property and equipment, net | $ | 475.6 |  |  | $ | 445.3 |

(1) No single country other than the United States had a property and equipment balance greater than 10% of total property and equipment, net, as of June 30, 2020 and December 31, 2019.
Revenue
Revenue by geography is generally based on the address of the customer as defined in the Company’s subscription agreement. The following table sets forth revenue by geographic area for the three and six months ended June 30, 2020 and 2019.

| Three months ended June 30, |  | Six months ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
United States | $ | 244.6 |  |  | $ | 205.5 |  |  | $ | 480.2 |  |  | $ | 402.6 |
International(1) | 222.8 |  |  | 196.0 |  |  | 442.2 |  |  | 384.5 |
Total revenue | $ | 467.4 |  |  | $ | 401.5 |  |  | $ | 922.4 |  |  | $ | 787.1 |

(1) No single country outside of the United States accounted for more than 10% of total revenue during the three and six months ended June 30, 2020 and 2019.
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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our condensed consolidated financial statements and related notes appearing elsewhere in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K. As discussed in the section titled “Note About Forward-Looking Statements,” the following discussion and analysis contains forward-looking statements that involve risks and uncertainties, as well as assumptions that, if they never materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward-looking statements. Factors that could cause or contribute to these differences include, but are not limited to, those identified below and those discussed in the section titled “Risk Factors” under Part II, Item 1A in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K. Our fiscal year ends December 31.
Overview
Our modern economy runs on knowledge. Today, knowledge lives in the cloud as digital content, and Dropbox is building the world’s first smart workspace where businesses and individuals can create, access, and share this content globally. We serve more than 600 million registered users across 180 countries.
Since our founding in 2007, our market opportunity has grown as we’ve expanded from keeping files in sync to keeping teams in sync. Our smart workspace is a digital environment that brings all of a team’s content together with the tools they love, helping users cut through the clutter and surfacing what matters most. In a world where using technology at work can be fragmented and distracting, the smart workspace makes it easy to focus on the work that matters.
By solving these universal problems, we’ve become invaluable to our users. The popularity of our platform drives viral growth, which has allowed us to scale rapidly and efficiently. We’ve built a thriving global business with 15.0 million paying users.
Our Subscription Plans
We generate revenue from individuals, teams, and organizations by selling subscriptions to our platform, which serve the varying needs of our diverse customer base. Subscribers can purchase individual licenses through our Plus and Professional plans, or purchase multiple licenses through a Standard, Advanced, or Enterprise team plan. Each team represents a separately billed deployment that is managed through a single administrative dashboard. Teams must have a minimum of three users, but can also have more than tens of thousands of users. Customers can choose between an annual or monthly plan, with a small number of large organizations on multi-year plans. A majority of our customers opt for our annual plans, although we have seen and may continue to see an increase in customers opting for our monthly plans. We typically bill our customers at the beginning of their respective terms and recognize revenue ratably over the term of the subscription period. International customers can pay in U.S. dollars or a select number of foreign currencies.
Our premium subscription plans, such as Professional and Advanced, provide more functionality than other subscription plans and have higher per user prices. Our Standard and Advanced subscription plans offer robust capabilities for businesses, and the vast majority of Dropbox Business teams purchase our Standard or Advanced subscription plans. While our Enterprise subscription plan offers more opportunities for customization, companies can subscribe to any of these team plans for their business needs.
In the first quarter of fiscal 2019, we acquired HelloSign, an e-signature and document workflow platform. The acquisition of HelloSign expands our content collaboration capabilities to include additional business-critical workflows. HelloSign has several product lines, and the pricing and revenue generated from each product line varies, with some product lines priced based on the number of licenses purchased (similar to Dropbox plans), while others are priced based on a customer’s transaction volume. Depending on the product purchased, teams must have a minimum of a certain number of licenses, but can also have hundreds of users. Customers can choose between an annual or monthly plan, with a small number of large organizations on multi-year plans. We typically bill HelloSign customers at the beginning of their respective terms and recognizes revenue ratably over the subscription period. We sell HelloSign products globally and sell only in U.S. dollars.
Our Customers
Our customer base is highly diversified, and in the period presented, no customer accounted for more than 1% of our revenue. Our customers include individuals, teams, and organizations of all sizes, from freelancers and small businesses to Fortune 100 companies. They work across a wide range of industries, including professional services, technology, media,
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education, industrials, consumer and retail, and financial services. Within companies, our platform is used by all types of teams and functions, including sales, marketing, product, design, engineering, finance, legal, and human resources.
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Our Business Model
Drive new signups
We acquire users efficiently and at relatively low costs through word-of-mouth referrals, direct in-product referrals, and sharing of content. Anyone can create a Dropbox account for free through our website or app and be up and running in minutes. These users often share and collaborate with other non-registered users, attracting new signups into our network.
Increase conversion of registered users to our paid subscription plans
We generate over 90% of our revenue from self-serve channels — users who purchase a subscription through our app or website. To grow our recurring revenue base, we actively encourage our registered users to convert to one of our paid plans based on the functionality that best suits their needs. We do this via in-product prompts and notifications, time-limited free trials of paid subscription plans, email campaigns, and lifecycle marketing. Together, these enable us to generate increased recurring revenues from our existing user base.
Upgrade and expand existing customers
We offer a range of paid subscription plans, from Plus and Professional for individuals to Standard, Advanced, and Enterprise for teams. We analyze usage patterns within our network and run hundreds of targeted marketing campaigns to encourage paying users to upgrade their plans. We prompt individual subscribers who collaborate with others on Dropbox to purchase our Standard or Advanced plans for a better team experience, and we also encourage existing Dropbox Business teams to purchase additional licenses or to upgrade to premium subscription plans.
COVID-19 update
Although we have seen and may continue to see an impact to our financial condition or results of operations, as described below, the full extent of the impact of the COVID-19 pandemic on our operational and financial performance will depend on certain developments, including the duration and spread of the outbreak, the pace of reopening, impact on our customers and our sales cycles, impact on our business operations, impact on our customer, employee or industry events, and effect on our vendors, all of which are uncertain and cannot be predicted. The extent to which the COVID-19 pandemic may impact our business, financial condition or results of operations is uncertain, but may include, without limitation, impacts to our paying user growth as well as disruptions to our business operations as a result of travel restrictions, shutdown of workplaces and potential impacts to our vendors.
Additionally, our results of operations and cash flows are subject to fluctuations due to changes in foreign currency exchange rates relative to U.S. dollars, our reporting currency, as well as changes in interest rates. Volatile market conditions arising from the COVID-19 pandemic have and may continue to negatively impact our results of operations and cash flows, due to (i) a weakening of foreign currencies relative to the U.S. dollar, which may cause our revenues to decline relative to our costs, and (ii) government-initiated reductions in interest rates, which may reduce our interest income. In certain cases, we have provided relief to our customers in the form of extending net payment terms and changing invoice frequency, which may negatively impact our accounts receivable. Conversely, we have seen and may continue to see cost savings from the shift to remote work for all of our employees in areas including events, travel, utilities, and other benefits. Due to our subscription based business model, the effect of the COVID-19 pandemic may not be fully reflected in our results of operations until future periods, if at all. Please see Item 1A. “Risk Factors” in this Quarterly Report on Form 10-Q for a complete description of the material risks we currently face, including risks related to the COVID-19 pandemic.
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Key Business Metrics
We review a number of operating and financial metrics, including the following key metrics to evaluate our business, measure our performance, identify trends affecting our business, formulate business plans, and make strategic decisions.
Total annual recurring revenue
We primarily focus on total annual recurring revenue (“Total ARR”) as the key indicator of the trajectory of our business performance. Total ARR represents the amount of revenue that we expect to recur annually, enables measurement of the progress of our business initiatives, and serves as an indicator of future growth. In addition, Total ARR is less subject to variations in short-term trends that may not appropriately reflect the health of our business. Total ARR is a performance metric and should be viewed independently of revenue and deferred revenue, and is not intended to be a substitute for, or combined with, any of these items.
Total ARR consists of contributions from all of our revenue streams, including subscriptions and add-ons. We calculate Total ARR as the number of users who have active paid licenses for access to our platform as of the end of the period, multiplied by their annualized subscription price to our platform. We adjust the exchange rates used to calculate Total ARR on an annual basis at the beginning of each fiscal year.
The below tables set forth our Total ARR using the exchange rates set at the beginning of each year, as well as on a constant currency basis relative to the exchange rates used in 2020.

| As of
| June 30, 2020 |  | December 31, 2019 |  | June 30, 2019
| (In millions)
Total ARR | $1,931 |  | $1,820 |  | $1,651

| As of
Constant Currency | June 30, 2020 |  | December 31, 2019 |  | June 30, 2019
| (In millions)
Total ARR | $1,931 |  | $1,811 |  | $1,643

Paying users
We define paying users as the number of users who have active paid licenses for access to our platform as of the end of the period. One person would count as multiple paying users if the person had more than one active license. For example, a 50-person Dropbox Business team would count as 50 paying users, and an individual Dropbox Plus user would count as one paying user. If that individual Dropbox Plus user was also part of the 50-person Dropbox Business team, we would count the individual as two paying users.
We have experienced growth in the number of paying users across our products, with the majority of paying users for the periods presented coming from our self-serve channels.
We acquired HelloSign in the first quarter of fiscal 2019. HelloSign has several product lines and the pricing and revenue generated from each product line varies, with some product lines priced based on the number of licenses purchased (similar to Dropbox plans), while others are priced based on a customer’s transaction volume. For purposes of HelloSign results, we include as paying users either (i) the number of users who have active paid licenses for access to the HelloSign platform as of the period end for those products that are priced based on the number of licenses purchased (which is the same method we use to evaluate existing Dropbox plans) or (ii) the number of customers for those products that are priced based on transaction volumes.
The below table sets forth the number of paying users as of June 30, 2020, December 31, 2019, and June 30, 2019.
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| As of
| June 30, 2020 |  | December 31, 2019 |  | June 30, 2019
| (In millions)
Paying users | 15.0 |  |  | 14.3 |  |  | 13.6 |

Average revenue per paying user
We define average revenue per paying user, or ARPU, as our revenue for the period presented divided by the average paying users during the same period. For interim periods, we use annualized revenue, which is calculated by dividing the revenue for the particular period by the number of days in that period and multiplying this value by 365 days. Average paying users are calculated based on adding the number of paying users as of the beginning of the period to the number of paying users as of the end of the period, and then dividing by two.
In the second quarter of 2019, we repackaged our existing Dropbox Plus plans to include additional features and, as a result, increased the price for new and existing users on this plan. For certain existing users, the increase in price is effective on their next renewal date. As a result of the price increase, and combined with an increased mix of sales towards our higher-priced subscription plans, we experienced an increase in our average revenue per paying user for the three and six months ended June 30, 2020, compared to the three and six months ended June 30, 2019.
The below table sets forth our ARPU for the three and six months ended June 30, 2020 and 2019.

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
ARPU | $ | 126.88 |  |  | $ | 120.48 |  |  | $ | 126.41 |  |  | $ | 120.83 |

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Non-GAAP Financial Measure
In addition to our results determined in accordance with U.S. generally accepted accounting principles, or GAAP, we believe that free cash flow, or FCF, a non-GAAP financial measure, is useful in evaluating our liquidity.
Free cash flow
We define FCF as GAAP net cash provided by operating activities less capital expenditures. We believe that FCF is a liquidity measure and that it provides useful information regarding cash provided by operating activities and cash used for investments in property and equipment required to maintain and grow our business. FCF is presented for supplemental informational purposes only and should not be considered a substitute for financial information presented in accordance with GAAP. FCF has limitations as an analytical tool, and it should not be considered in isolation or as a substitute for analysis of other GAAP financial measures, such as net cash provided by operating activities. Some of the limitations of FCF are that FCF does not reflect our future contractual commitments, excludes investments made to acquire assets under finance leases, and may be calculated differently by other companies in our industry, limiting its usefulness as a comparative measure.
Our FCF increased for the six months ended June 30, 2020, compared to the six months ended June 30, 2019, primarily due to an increase in cash provided by operating activities, which was driven by increased subscription sales, as a majority of our paying users are invoiced in advance.
We expect our FCF to fluctuate in future periods as we purchase infrastructure equipment to support our user base. This, along with certain increased operating expenses as described below, may result in FCF to vary from period to period as a percentage of revenue.
The following is a reconciliation of FCF to the most comparable GAAP measure, net cash provided by operating activities:

| Six Months Ended June 30,
| 2020 |  | 2019
| (In millions)
Net cash provided by operating activities | 199.2 |  |  | 192.0 |
Capital expenditures | (53.9 | ) |  | (63.4 | )
Free cash flow | $ | 145.3 |  |  | $ | 128.6 |

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Components of Our Results of Operations
Revenue
We generate revenue from sales of subscriptions to our platform.
Revenue is recognized ratably over the related contractual term generally beginning on the date that our platform is made available to a customer. Our subscription agreements typically have monthly or annual contractual terms, although a small percentage have multi-year contractual terms. Our agreements are generally non-cancelable. We typically bill in advance for monthly contracts and annually in advance for contracts with terms of one year or longer. Amounts that have been billed are initially recorded as deferred revenue until the revenue is recognized.
Our revenue is driven primarily by conversions and upsells to our paid plans. We also generate revenue from transaction-based products and fees from the referral of users to our partners. We generate over 90% of our revenue from self-serve channels. No customer represented more than 1% of our revenue in the periods presented.
Cost of revenue and gross margin
Cost of revenue. Our cost of revenue consists primarily of expenses associated with the storage, delivery, and distribution of our platform for both paying users and free users, also known as Basic users. These costs, which we refer to as infrastructure costs, include depreciation of our servers located in co-location facilities that we lease and operate, rent and facilities expense for those datacenters, network and bandwidth costs, support and maintenance costs for our infrastructure equipment, and payments to third-party datacenter service providers. Cost of revenue also includes costs, such as salaries, bonuses, employer payroll taxes and benefits, travel-related expenses, and stock-based compensation, which we refer to as employee-related costs, for employees whose primary responsibilities relate to supporting our infrastructure and delivering user support. Other non-employee costs included in cost of revenue include credit card fees related to processing customer transactions, and allocated overhead, such as facilities, including rent, utilities, depreciation on leasehold improvements and other equipment shared by all departments, and shared information technology costs. In addition, cost of revenue includes amortization of developed technologies, professional fees related to user support initiatives, and property taxes related to the datacenters.
We plan to continue increasing the capacity and enhancing the capability and reliability of our infrastructure to support user growth and increased use of our platform. We expect that cost of revenue will increase in absolute dollars in future periods.
Gross margin. Gross margin is gross profit expressed as a percentage of revenue. Our gross margin may fluctuate from period to period based on the timing of additional capital expenditures and the related depreciation expense, or other increases in our infrastructure costs, as well as revenue fluctuations. As we continue to utilize our internal infrastructure, we generally expect our gross margin to remain relatively constant in the near term and to increase modestly in the long term.
Operating expenses
Research and development. Our research and development expenses consist primarily of employee-related costs for our engineering, product, and design teams, compensation expenses related to key personnel from acquisitions and allocated overhead. Additionally, research and development expenses include internal development-related third-party hosting fees. We have expensed almost all of our research and development costs as they were incurred.
We plan to continue hiring employees for our engineering, product, and design teams to support our research and development efforts. We expect that research and development costs will increase in absolute dollars in future periods and vary from period to period as a percentage of revenue.
Sales and marketing. Our sales and marketing expenses relate to both self-serve and outbound sales activities, and consist primarily of employee-related costs, brand marketing costs, lead generation costs, sponsorships and allocated overhead. Sales commissions earned by our outbound sales team and the related payroll taxes, as well as commissions earned by third-party resellers that we consider to be incremental and recoverable costs of obtaining a contract with a customer, are deferred and are typically amortized over an estimated period of benefit of five years. Additionally, sales and marketing expenses include non-employee costs related to app store fees, fees payable to third-party sales representatives and amortization of acquired customer relationships.
We plan to continue to invest in sales and marketing to grow our user base and increase our brand awareness, including marketing efforts to continue to drive our self-serve business model. We expect that sales and marketing expenses will increase
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in absolute dollars in future periods and vary from period to period as a percentage of revenue. The trend and timing of sales and marketing expenses will depend in part on the timing of marketing campaigns.
General and administrative. Our general and administrative expenses consist primarily of employee-related costs for our legal, finance, human resources, and other administrative teams, as well as certain executives. In addition, general and administrative expenses include allocated overhead, outside legal, accounting and other professional fees, and non-income based taxes.
We expect to incur additional general and administrative expenses to support the growth of the Company. General and administrative expenses include the recognition of stock-based compensation expense related to the grant of restricted stock made to our co-founder. We expect that general and administrative expenses will increase in absolute dollars in future periods and vary from period to period as a percentage of revenue.
Interest income (expense), net
Interest income (expense), net consists primarily of interest income earned on our money market funds classified as cash and cash equivalents and short-term investments, partially offset by interest expense related to our finance lease obligations for infrastructure.
Other income (expense), net
Other income (expense), net consists of other non-operating gains or losses, including those related to equity investments, lease arrangements, which include sublease income, foreign currency transaction gains and losses, and realized gains and losses related to our short-term investments.
Benefit from (provision for) income taxes
Provision for income taxes consists primarily of U.S. federal and state income taxes and income taxes in certain foreign jurisdictions in which we conduct business. For the periods presented, the difference between the U.S. statutory rate and our effective tax rate is primarily due to the valuation allowance on deferred tax assets. Our effective tax rate is also impacted by earnings realized in foreign jurisdictions with statutory tax rates lower than the federal statutory tax rate. We maintain a full valuation allowance on our net deferred tax assets for federal, state, and certain foreign jurisdictions as we have concluded that it is not more likely than not that the deferred assets will be realized.
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Results of Operations
The following tables set forth our results of operations for the periods presented:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
| (In millions)
Revenue | $ | 467.4 |  |  | $ | 401.5 |  |  | $ | 922.4 |  |  | $ | 787.1 |
Cost of revenue(1) | 102.5 |  |  | 102.9 |  |  | 205.6 |  |  | 201.3 |
Gross profit | 364.9 |  |  | 298.6 |  |  | 716.8 |  |  | 585.8 |
Operating expenses(1): |  |  |  |  |  |  |
Research and development | 185.8 |  |  | 162.4 |  |  | 367.6 |  |  | 312.4 |
Sales and marketing | 102.8 |  |  | 107.3 |  |  | 207.1 |  |  | 208.8 |
General and administrative | 63.5 |  |  | 62.9 |  |  | 102.5 |  |  | 119.9 |
Total operating expenses | 352.1 |  |  | 332.6 |  |  | 677.2 |  |  | 641.1 |
Income (loss) from operations | 12.8 |  |  | (34.0 | ) |  | 39.6 |  |  | (55.3 | )
Interest income, net | 0.1 |  |  | 3.2 |  |  | 2.5 |  |  | 6.9 |
Other income, net | 9.0 |  |  | 10.0 |  |  | 19.6 |  |  | 14.2 |
Income (loss) before income taxes | 21.9 |  |  | (20.8 | ) |  | 61.7 |  |  | (34.2 | )
Benefit from (provision for) income taxes | (4.4 | ) |  | (0.6 | ) |  | (4.9 | ) |  | 5.1 |
Net income (loss) | $ | 17.5 |  |  | $ | (21.4 | ) |  | $ | 56.8 |  |  | $ | (29.1 | )

(1) Includes stock-based compensation as follows:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
| (In millions)
Cost of revenue | $ | 4.5 |  |  | $ | 4.7 |  |  | $ | 8.0 |  |  | $ | 7.7 |
Research and development | 47.0 |  |  | 37.7 |  |  | 84.2 |  |  | 68.2 |
Sales and marketing | 9.5 |  |  | 8.8 |  |  | 16.2 |  |  | 15.9 |
General and administrative(2) | 15.6 |  |  | 16.9 |  |  | 8.0 |  |  | 31.9 |
Total stock-based compensation | $ | 76.6 |  |  | $ | 68.1 |  |  | $ | 116.4 |  |  | $ | 123.7 |

(1) On March 19, 2020, one of the Company's co-founders resigned as a member of the board and as an officer of the Company, resulting in the reversal of $23.8 million in stock-based compensation expense. Of the total amount reversed, $21.5 million related to expense recognized prior to December 31, 2019. See Note 12 "Stockholders' Equity" for further information.
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The following table sets forth our results of operations for each of the periods presented as a percentage of revenue:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
| (As a % of revenue)
Revenue | 100 | % |  | 100 | % |  | 100 | % |  | 100 | %
Cost of revenue(1) | 22 |  |  | 26 |  |  | 22 |  |  | 26 |
Gross profit | 78 |  |  | 74 |  |  | 78 |  |  | 74 |
Operating expenses(1): |  |  |  |  |  |  |
Research and development | 40 |  |  | 40 |  |  | 40 |  |  | 40 |
Sales and marketing | 22 |  |  | 27 |  |  | 23 |  |  | 27 |
General and administrative | 14 |  |  | 16 |  |  | 11 |  |  | 15 |
Total operating expenses | 75 |  |  | 83 |  |  | 73 |  |  | 81 |
Income (loss) from operations | 3 |  |  | (8 | ) |  | 4 |  |  | (7 | )
Interest income, net | — |  |  | 1 |  |  | — |  |  | 1 |
Other income, net | 2 |  |  | 2 |  |  | 2 |  |  | 2 |
Income (loss) before income taxes | 5 |  |  | (5 | ) |  | 7 |  |  | (4 | )
Benefit from (provision for) income taxes | (1 | ) |  | — |  |  | (1 | ) |  | 1 |
Net income (loss) | 4 | % |  | (5 | )% |  | 6 | % |  | (4 | )%

(1) Includes stock-based compensation as a percentage of revenue as follows:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
| (As a % of revenue)
Cost of revenue | 1 | % |  | 1 | % |  | 1 | % |  | 1 | %
Research and development | 10 |  |  | 9 |  |  | 9 |  |  | 9 |
Sales and marketing | 2 |  |  | 2 |  |  | 2 |  |  | 2 |
General and administrative(2) | 3 |  |  | 4 |  |  | 1 |  |  | 4 |
Total stock-based compensation | 16 | % |  | 17 | % |  | 13 | % |  | 16 | %

(2) On March 19, 2020, one of the Company's co-founders resigned as a member of the board and as an officer of the Company, resulting in the reversal of $23.8 million in stock-based compensation expense. Of the total amount reversed, $21.5 million related to expense recognized prior to December 31, 2019. See Note 12 "Stockholders' Equity" for further information.
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Comparison of the three months ended June 30, 2020 and 2019
Revenue

| Three Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Revenue | $ | 467.4 |  |  | $ | 401.5 |  |  | $ | 65.9 |  |  | 16 | %

Revenue increased $65.9 million or 16% during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019. The increase in revenue was driven primarily by an increase in paying users, an increase in the price of our Plus plan, and the adoption of premium plans by our users.
Cost of revenue, gross profit, and gross margin

| Three Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Cost of revenue | $ | 102.5 |  |  | $ | 102.9 |  |  | $ | (0.4 | ) |  | — | %
Gross profit | 364.9 |  |  | 298.6 |  |  | 66.3 |  |  | 22 | %
Gross margin | 78 | % |  | 74 | % |  |  |  |

Cost of revenue decreased $0.4 million or 0% during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to a decrease of $3.0 million in infrastructure costs. This decrease was offset by increases of $1.4 million in employee-related costs due to headcount growth and $1.2 million in credit card transaction fees due to higher sales and professional fees for user support.
Our gross margin increased during the three months ended June 30, 2020 compared to the three months ended June 30, 2019, primarily due to a 16% increase in revenue during the period and a decrease in our cost of revenue as described above.
Research and development

| Three Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Research and development | $ | 185.8 |  |  | $ | 162.4 |  |  | $ | 23.4 |  |  | 14 | %

Research and development expenses increased $23.4 million or 14% during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to an increase of $20.9 million in employee-related costs due to headcount growth.
Sales and marketing

| Three Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Sales and marketing | $ | 102.8 |  |  | $ | 107.3 |  |  | $ | (4.5 | ) |  | (4 | )%

Sales and marketing expenses decreased $4.5 million or 4% during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to decreases of $4.2 million driven by a reduction of events due to the COVID-19 pandemic, $2.0 million in brand marketing expenses, and $1.6 million in allocated overhead, which includes
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facilities-related costs for our new corporate headquarters. These decreases were offset by an increase of $3.1 million in app store fees due to increased sales.
General and administrative

| Three Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
General and administrative | $ | 63.5 |  |  | $ | 62.9 |  |  | $ | 0.6 |  |  | 1 | %

General and administrative expenses increased $0.6 million or 1% during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to increases of $1.5 million in allocated overhead, which includes facilities-related costs for our new corporate headquarters and $0.9 million in other expenses driven by an increase in charitable contributions. These increases were offset by a decrease of $1.8 million in non-income based taxes.
Interest income (expense), net
Interest income (expense), net decreased $3.1 million during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to a decrease in interest income from our money market funds and short-term investments as a result of government-initiated interest rate reductions in response to the COVID-19 pandemic.
Other income (expense), net
Other income (expense), net decreased $1.0 million during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to decreases of $1.6 million in other income due to gains on the disposal of infrastructure assets in the three months ended June 30, 2019, and a decrease of $1.0 million in gains related to equity investments. These decreases were offset by foreign currency transaction gains.
Benefit from (provision for) income taxes
Provision for income taxes increased $3.8 million during the three months ended June 30, 2020, as compared to the three months ended June 30, 2019, primarily due to an increase in foreign and state income taxes.
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Comparison of the six months ended June 30, 2020 and 2019
Revenue

| Six Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Revenue | $ | 922.4 |  |  | $ | 787.1 |  |  | $ | 135.3 |  |  | 17 | %

Revenue increased $135.3 million or 17% during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019. The increase in revenue was driven primarily by an increase in paying users, an increase in the price of our Plus plan, and the adoption of premium plans by our users.
Cost of revenue, gross profit, and gross margin

| Six Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Cost of revenue | $ | 205.6 |  |  | $ | 201.3 |  |  | $ | 4.3 |  |  | 2 | %
Gross profit | 716.8 |  |  | 585.8 |  |  | 131.0 |  |  | 22 | %
Gross margin | 78 | % |  | 74 | % |  |  |  |

Cost of revenue increased $4.3 million or 2% during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to increases of $4.0 million in employee-related costs due to headcount growth, $3.3 million in credit card transaction fees due to higher sales and professional fees for user support, $1.9 million in allocated overhead, which includes facilities-related costs for our new corporate headquarters, and an increase in amortization of acquired intangible assets. These increases were offset by a decrease of $5.9 million in infrastructure costs.
Our gross margin increased during the six months ended June 30, 2020 compared to the six months ended June 30, 2019, primarily due to a 17% increase in our revenue during the period, which was offset by a lower percentage increase in our cost of revenue described above.
Research and development

| Six Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Research and development | $ | 367.6 |  |  | $ | 312.4 |  |  | $ | 55.2 |  |  | 18 | %

Research and development expenses increased $55.2 million or 18% during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to increases of $42.6 million in employee-related costs due to headcount growth and $9.4 million in allocated overhead, which includes facilities-related costs for our new corporate headquarters.
Sales and marketing

| Six Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
Sales and marketing | $ | 207.1 |  |  | $ | 208.8 |  |  | $ | (1.7 | ) |  | (1 | )%

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Sales and marketing expenses decreased $1.7 million or 1% during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to decreases of $6.9 million related to brand marketing expenses and $4.8 million driven by a reduction of events due to the COVID-19 pandemic. These decreases were offset by increases of $7.5 million in app store fees due to increased sales and an increase in employee-related costs due to headcount growth.
General and administrative

| Six Months Ended June 30, |  |  |  |
| 2020 |  | 2019 |  | $ Change |  | % Change
| (In millions) |  |  |  |
General and administrative | $ | 102.5 |  |  | $ | 119.9 |  |  | $ | (17.4 | ) |  | (15 | )%

General and administrative expenses decreased $17.4 million or 15% during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to a decrease of $23.9 million in stock-based compensation, with the majority of the decrease due to the resignation of one of the co-founders and the forfeiture of his Co-Founder Grant as discussed in "--Note 12. Stockholders' Equity." Additionally, general and administrative expenses decreased due to $3.5 million in non-income based taxes and $3.0 million in legal-related and acquisition expenses. These decreases were offset by increases of $8.7 million in employee-related costs, excluding stock-based compensation, due to headcount growth, and $5.9 million in allocated overhead, which includes facilities-related costs for our new corporate headquarters.
Interest income (expense), net
Interest income (expense), net decreased $4.4 million during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to a decrease in interest income from our money market funds and short-term investments as a result of government-initiated interest rate reductions in response to the COVID-19 pandemic.
Other income (expense), net
Other income (expense), net increased $5.4 million during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to $9.4 million in gains related to an equity investment, offset by a decrease of $4.7 million due to the disposal of infrastructure assets in the six months ended June 30, 2019.
Benefit from (provision for) income taxes
Provision for income taxes increased by $10.0 million during the six months ended June 30, 2020, as compared to the six months ended June 30, 2019, primarily due to the one-time tax benefit recognized in 2019 as a result of our acquisition of HelloSign.
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Liquidity and Capital Resources
As of June 30, 2020, we had cash and cash equivalents of $334.1 million and short-term investments of $783.5 million, which were held for working capital purposes. Our cash, cash equivalents, and short-term investments consist primarily of cash, money market funds, corporate notes and obligations, U.S. Treasury securities, certificates of deposit, asset-backed securities, commercial paper, foreign government securities, U.S. agency obligations and municipal securities. As of June 30, 2020, we had $122.9 million of our cash and cash equivalents held by our foreign subsidiaries. We do not expect to incur material taxes in the event we repatriate any of these amounts.
Since our inception, we have financed our operations primarily through equity issuances, cash generated from our operations, and finance leases to finance infrastructure-related assets in co-location facilities that we directly lease and operate. We enter into finance leases in part to better match the timing of payments for infrastructure-related assets with that of cash received from our paying users. In our business model, some of our registered users convert to paying users over time, and consequently there is a lag between initial investment in infrastructure assets and cash received from some of our users.
Our principal uses of cash in recent periods have been funding our operations, purchases of short-term investments, the satisfaction of tax withholdings in connection with the settlement of restricted stock units and awards, making principal payments on our finance lease obligations, and capital expenditures. In February 2020, our Board of Directors approved a stock repurchase program for the repurchase of up to $600 million of the outstanding shares of our Class A common stock. Share repurchases will be subject to a review of the circumstances in place at that time and will be made from time to time in private transactions or open market purchases as permitted by securities laws and other legal requirements. The program does not obligate us to repurchase any specific number of shares and has no specified time limit; it may be discontinued at any time. During the three and six months ended June 30, 2020, we repurchased and subsequently retired 3.7 million and 7.4 million shares respectively of its Class A common stock for an aggregate amount of $75.8 million and $139.8 million, respectively.
In April 2017, we entered into a $600.0 million credit facility with a syndicate of financial institutions. Pursuant to the terms of the revolving credit facility, we may issue letters of credit under the revolving credit facility, which reduce the total amount available for borrowing under such facility. The revolving credit facility terminates on April 4, 2022. In February 2018, we amended our revolving credit facility to, among other things, permit us to make certain investments, enter into an unsecured standby letter of credit facility, and increase our standby letter of credit sublimit to $187.5 million. We also increased our borrowing capacity under the revolving credit facility from $600.0 million to $725.0 million. We may from time to time request increases in the borrowing capacity under our revolving credit facility of up to $275.0 million, provided no event of default has occurred or is continuing or would result from such increase.
Interest on borrowings under the revolving credit facility accrues at a variable rate tied to the prime rate or the LIBOR rate, at our election. Interest is payable quarterly in arrears. Pursuant to the terms of the revolving credit facility, we are required to pay an annual commitment fee that accrues at a rate of 0.20% per annum on the unused portion of the borrowing commitments under the revolving credit facility. In addition, we are required to pay a fee in connection with letters of credit issued under the revolving credit facility that accrues at a rate of 1.5% per annum on the amount of such letters of credit outstanding. There is an additional fronting fee of 0.125% per annum multiplied by the average aggregate daily maximum amount available under all letters of credit.
The revolving credit facility contains customary conditions to borrowing, events of default, and covenants, including covenants that restrict our ability to incur indebtedness, grant liens, make distributions to our holders or our subsidiaries’ equity interests, make investments, or engage in transactions with our affiliates. In addition, the revolving credit facility contains financial covenants, including a consolidated leverage ratio covenant and a minimum liquidity balance. We were in compliance with all covenants under the revolving credit facility as of June 30, 2020.
As of June 30, 2020, we had no amounts outstanding under the revolving credit facility and an aggregate of $45.6 million in letters of credit issued under the revolving credit facility. Our total available borrowing capacity under the revolving credit facility was $679.4 million as of June 30, 2020.
We believe our existing cash and cash equivalents, together with our short-term investments, cash provided by operations and amounts available under the revolving credit facility, will be sufficient to meet our needs for the foreseeable future. Our future capital requirements will depend on many factors including our revenue growth rate, subscription renewal activity, billing frequency, the timing and extent of spending to support further infrastructure development and research and development efforts, the timing and extent of additional capital expenditures to invest in existing and new office spaces, such as our new corporate headquarters, the satisfaction of tax withholding obligations for the release of restricted stock units and awards, the expansion of sales and marketing and international operation activities, the introduction of new product capabilities and enhancement of our platform, the continuing market acceptance of our platform and any potential impacts of the COVID-19 pandemic on our business. We have and may in the future enter into arrangements to acquire or invest in
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complementary businesses, services, and technologies, including intellectual property rights. We may be required to seek additional equity or debt financing. In the event that additional financing is required from outside sources, we may not be able to raise it on terms acceptable to us or at all. If we are unable to raise additional capital when desired, our business, results of operations, and financial condition could be materially and adversely affected.
Our cash flow activities were as follows for the periods presented:

| Six months ended June 30,
| 2020 |  | 2019
| (In millions)
Net cash provided by operating activities | $ | 199.2 |  |  | $ | 192.0 |
Net cash used in investing activities | (189.6 | ) |  | (270.5 | )
Net cash used in financing activities | (226.2 | ) |  | (97.4 | )
Effect of exchange rate changes on cash and cash equivalents | (0.6 | ) |  | 0.2 |
Net (decrease) increase in cash and cash equivalents | $ | (217.2 | ) |  | $ | (175.7 | )

Operating activities
Our largest source of operating cash is cash collections from our paying users for subscriptions to our platform. Our primary uses of cash from operating activities are for employee-related expenditures, infrastructure-related costs, and marketing expenses. Net cash provided by operating activities is impacted by our net income adjusted for certain non-cash items, including depreciation and amortization expenses and stock-based compensation, as well as the effect of changes in operating assets and liabilities.
For the six months ended June 30, 2020, net cash provided by operating activities was $199.2 million, which mostly consisted of our net income of $56.8 million, adjusted for stock-based compensation expense of $116.4 million and depreciation and amortization expenses of $79.6 million, and net cash outflow of $46.8 million from operating assets and liabilities. The outflow from operating assets and liabilities was primarily due to the payment of our corporate bonus and key employee holdback payments related to the acquisition of HelloSign, offset by an increase in deferred revenue from increased subscription sales, as a majority of our paying users are invoiced in advance.
The increase in net cash provided by operating activities during the six months ended June 30, 2020, compared to the six months ended June 30, 2019, was primarily due to net income, as adjusted for stock-based compensation and depreciation and amortization expenses and an increase in cash inflows from changes in operating assets and liabilities.
Investing activities
Net cash used in investing activities is primarily impacted by purchases of short-term investments, purchases of property and equipment to make improvements to existing and new office spaces, and for purchasing infrastructure equipment in co-location facilities that we directly lease and operate.
For the six months ended June 30, 2020, net cash used in investing activities was $189.6 million, which primarily related to $145.0 million in net investment activity outflows, primarily related to purchases of short-term investments, net of sales and maturities and $8.3 million in equipment rebates. Additionally, cash paid for capital expenditures during the period was $53.9 million related to our office and datacenter build-outs.
The decrease in cash used in investing activities during the six months ended June 30, 2020, compared to the six months ended June 30, 2019, was primarily due to cash paid for our acquisition of HelloSign, net of cash acquired of $171.6 million during the six months ended June 30, 2019.
Financing activities
Net cash used in financing activities is primarily impacted by repurchases of common stock to satisfy the tax withholding obligation for the release of restricted stock units (“RSUs”) and awards, principal payments on finance lease obligations for our infrastructure equipment, and open-market repurchases of common stock.
For the six months ended June 30, 2020, net cash used in financing activities was $226.2 million, which primarily consisted of $139.8 million for the repurchase of our common stock, $43.4 million in principal payments on finance lease obligations and $44.0 million for the satisfaction of tax withholding obligations for the release of restricted stock units and awards.
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The increase in cash used in financing activities during the six months ended June 30, 2020, compared to the six months ended June 30, 2019, was primarily due to the repurchase of our common stock during the six months ended June 30, 2020.
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Contractual Obligations
Our principal commitments consist of obligations under operating leases for office space and datacenter operations, and finance leases for datacenter equipment. See Note 9 "Leases" to our condensed consolidated financial statements included elsewhere in this Quarterly Report on Form 10-Q for further information. There have been no material changes in our contractual obligations and commitments, as disclosed in our Annual Report.
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Off-Balance Sheet Arrangements
As of June 30, 2020, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or variable interest entities, which would have been established for the purpose of facilitating off balance sheet arrangements or other contractually narrow or limited purposes.
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Critical Accounting Policies and Judgments
See Part II, Item 7, "Critical Accounting Policies and Judgments " in our Annual Report on Form 10-K for the year ended December 31, 2019. There have been no material changes to our critical accounting policies and estimates since our Annual Report on Form 10-K for the year ended December 31, 2019.
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Recent Accounting Pronouncements
See Note 1, “Description of the Business and Summary of Significant Accounting Policies” to our condensed consolidated financial statements included elsewhere in this Quarterly Report on Form 10-Q for recently adopted accounting pronouncements as of the date of this Quarterly Report on Form 10-Q.
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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Interest rate risk
We had cash and cash equivalents of $334.1 million and short-term investments of $783.5 million as of June 30, 2020. We hold our cash and cash equivalents and short-term investments for working capital purposes. Our cash, cash equivalents, and short-term investments consist primarily of cash, money market funds, corporate notes and obligations, U.S. Treasury securities, certificates of deposit, asset-backed securities, commercial paper, foreign government securities, U.S. agency obligations and municipal securities. The primary objectives of our investment activities are the preservation of capital, the fulfillment of liquidity needs, and the control of cash and investments. We do not enter into investments for trading or speculative purposes. Due to the short-term nature of these instruments, we believe that we do not have any material exposure to changes in the fair value of our investment portfolio as a result of changes in interest rates. Decreases in interest rates, however, would reduce future interest income.
Any borrowings under the revolving credit facility bear interest at a variable rate tied to the prime rate or the LIBOR rate. As of June 30, 2020, we had no amounts outstanding under the revolving credit facility. We do not have any other long-term debt or financial liabilities with floating interest rates that would subject us to interest rate fluctuations.
As of June 30, 2020, a hypothetical change in interest rates by 100 basis points would not have a significant impact on our cash and cash equivalents or the fair value of our investment portfolio.
Foreign currency exchange risk
Our results of operations and cash flows are subject to fluctuations due to changes in foreign currency exchange rates relative to U.S. dollars, our reporting currency.
Most of our revenue is generated in U.S. dollars, with the remainder generated in Euros, British pounds sterling, Australian dollars, Canadian dollars, and Japanese yen.
Our expenses are generally denominated in the currencies in which our operations are located, which are primarily the United States and, to a lesser extent, Europe and Asia. The functional currency of Dropbox International Unlimited, our international headquarters and largest international entity, is denominated in U.S. dollars. Our results of operations and cash flows are, therefore, subject to fluctuations due to changes in foreign currency exchange rates in ways that are unrelated to our operating performance.
As exchange rates may fluctuate significantly between periods, revenue and operating expenses, when converted into U.S. dollars, may also experience significant fluctuations between periods. Volatile market conditions arising from the COVID-19 pandemic may result in significant changes in exchange rates, and in particular a weakening of foreign currencies relative to the U.S. dollar may negatively affect our revenue expressed in U.S. dollars. Historically, a majority of our revenue and operating expenses have been denominated in U.S. dollars, Euros, and British pounds sterling. Although we are impacted by the exchange rate movements from a number of currencies relative to the U.S. dollar, our results of operations are particularly impacted by fluctuations in the U.S. dollar-Euro and U.S. dollar-British pounds sterling exchange rates. In the six months ended June 30, 2020, 28% of our sales were denominated in currencies other than U.S. dollars. Our expenses, by contrast, are primarily denominated in U.S. dollars. As a result, any increase in the value of the U.S. dollar against these foreign currencies could cause our revenue to decline relative to our costs, thereby decreasing our margins.
We recorded $0.1 million and $0.5 million in net foreign currency transaction losses in the six months ended June 30, 2020 and 2019, respectively. A hypothetical 10% change in foreign currency rates would not have resulted in material gains or losses for the six months ended June 30, 2019 and 2019.
To date, we have not engaged in any hedging activities. As our international operations grow, we will continue to reassess our approach to managing risks relating to fluctuations in currency rates.
Inflation risk
We do not believe that inflation has had a material effect on our business, results of operations, or financial condition. Nonetheless, if our costs were to become subject to significant inflationary pressures, we may not be able to fully offset such higher costs. Our inability or failure to do so could harm our business, results of operations, or financial condition.
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ITEM 4. CONTROLS AND PROCEDURES
Evaluation of Disclosure Controls and Procedures
Our management, with the participation of our principal executive officer and principal financial officer, has evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on such evaluation, our principal executive officer and principal financial officer have concluded that as of such date, our disclosure controls and procedures were effective at a reasonable assurance level.
Changes in Internal Control Over Financial Reporting
There was no change in our internal control over financial reporting (as defined in Rules 13a-15(d) and 15d-15(d) under the Exchange Act) that occurred during the period covered by this Quarterly Report on Form 10-Q that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
Inherent Limitations on Effectiveness of Disclosure Controls and Procedures
Our management, including our principal executive officer and principal financial officer, do not expect that our disclosure controls and procedures or our internal control over financial reporting will prevent all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of a simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people or by management override of the controls. The design of any system of controls is also based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions; over time, controls may become inadequate because of changes in conditions, or the degree of compliance with policies or procedures may deteriorate. Due to inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.
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PART II. OTHER INFORMATION
ITEM 1. LEGAL PROCEEDINGS
Legal Proceedings
We are currently involved in, and may in the future be involved in, legal proceedings, claims, and government investigations in the ordinary course of business, including legal proceedings with third parties asserting infringement of their intellectual property rights. For example, in April 2015, Synchronoss Technologies, Inc. ("Synchronoss"), a public company that provides cloud-based products, filed a patent infringement lawsuit against us in the United States District Court for the District of New Jersey, claiming three counts of patent infringement and seeking injunctive relief. The case was subsequently transferred to the United States District Court for the Northern District of California, and at summary judgment, the court resolved all claims in our favor. Synchronoss has filed a notice of appeal; we intend to vigorously oppose Synchronoss' basis for appeal. We do not currently believe that this matter is likely to have a material adverse impact on our consolidated results of operations, cash flows, or our financial position. However, any litigation is inherently uncertain, and any judgment or injunctive relief entered against us or any adverse settlement could materially and adversely impact our business, results of operations, financial condition, and prospects.
Four putative class action lawsuits alleging violations of the federal securities laws were filed on August 30, 2019, September 5, 2019, September 13, 2019, and October 3, 2019, in the Superior Court of the State of California, San Mateo County, against us, certain of our officers and directors, underwriters of our IPO, and Sequoia Capital XII, L.P. and certain of its affiliated entities (collectively, the “Dropbox Defendants”). On October 4, 2019, two putative class action lawsuits alleging violations of the federal securities laws were filed against the Dropbox Defendants in the U.S. District Court for the Northern District of California (the "Federal Plaintiffs"). The six lawsuits each make the same or similar allegations of violations of federal securities laws, for allegedly making materially false and misleading statements in, or omitting material information from, our IPO registration statement. The plaintiffs seek unspecified monetary damages and other relief. On March 2, 2020, the Federal Plaintiffs filed a consolidated class action complaint. On April 16, 2020, the Dropbox Defendants filed a motion to dismiss the federal consolidated class action complaint. On May 11, 2020, the Dropbox Defendants filed a motion to dismiss the consolidated state court case based on the exclusive federal forum provisions contained in our amended and restated bylaws. We believe the claims are without merit and we intend to vigorously defend against them. We do not currently believe that this matter is likely to have a material adverse impact on our consolidated results of operations, cash flows, or financial position. However, any litigation is inherently uncertain, and any judgment or injunctive relief entered against us or any adverse settlement could materially and adversely impact our business, results of operations, financial condition, and prospects.
Future litigation may be necessary, among other things, to defend ourselves or our users by determining the scope, enforceability, and validity of third-party proprietary rights or to establish our proprietary rights. The results of any current or future litigation cannot be predicted with certainty, and regardless of the outcome, litigation can have an adverse impact on us because of defense and settlement costs, diversion of management resources, and other factors.
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ITEM 1A. RISK FACTORS
Investing in our Class A common stock involves a high degree of risk. In addition to the other information set forth in this Quarterly Report, you should carefully consider the risks and uncertainties described below, together with all of the other information in this Quarterly Report on Form 10-Q, including the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and related notes, before making a decision to invest in our Class A common stock. Our business, results of operations, financial condition, or prospects could also be harmed by risks and uncertainties that are not presently known to us or that we currently believe are not material. If any of the risks actually occur, our business, results of operations, financial condition, and prospects could be materially and adversely affected. In that event, the market price of our Class A common stock could decline, and you could lose all or part of your investment. In addition, the impacts of COVID-19 and any worsening of the economic environment may exacerbate the risks described below, any of which could have a material impact on us. This situation is changing rapidly and additional impacts may arise that we are not currently aware of.
Risks Related to Our Business and Our Industry
Our business depends on our ability to retain and upgrade paying users, and any decline in renewals or upgrades could adversely affect our future results of operations.
Our business depends upon our ability to maintain and expand our relationships with our users. Our business is subscription based, and paying users are not obligated to and may not renew their subscriptions after their existing subscriptions expire. As a result, we cannot provide assurance that paying users will renew their subscriptions utilizing the same tier of our products or upgrade to premium offerings. Renewals of subscriptions to our platform may decline or fluctuate because of several factors, such as dissatisfaction with our products, support, pricing, or mix of features, a user no longer having a need for our products, the perception that competitive products provide better or less expensive options, shifts in the mix of monthly and annual subscriptions or the impact of catastrophic events, such as the ongoing COVID-19 pandemic, on our paying users. In addition, some paying users downgrade or do not renew their subscriptions.
We encourage paying users to upgrade to our premium offerings by recommending additional features and through in-product prompts and notifications. We are focused on increasing recurring revenue and we believe that users that subscribe to our premium paid offerings demonstrate a propensity to retain and expand their deployments over time. We seek to expand within organizations through viral means by adding new users, having workplaces purchase additional products, or expanding the use of Dropbox into other departments within a workplace. We often see enterprise IT decision-makers deciding to adopt Dropbox after noticing substantial organic adoption by individuals and teams within the organization. If our paying users cancel their subscriptions or fail to renew, or if we fail to upgrade our paying users to premium offerings or expand within organizations, our business, results of operations, and financial condition may be harmed. Furthermore, we have and may continue to see an increase in customers opting for our monthly plans rather than our annual plans, including from users who upgrade to paid plans using mobile devices. As a result, if more of our users subscribe to our paid plans through mobile devices or otherwise opt for monthly plans, subscription renewals may fluctuate or decline. Additionally, we are increasingly introducing our users to offerings that are not subscription based, such as add-ons and transaction volume-based offerings. We believe these efforts, and certain fees from the referral of users to our partners, will generate increased recurring revenues from our existing user base. However, if users do not believe these offerings are compelling, they may not retain or expand their deployments, and we may not be able to increase the amount of recurring revenue from our user base.
Although it is important to our business that our users renew their subscriptions after their existing subscriptions expire and that we expand our commercial relationships with our users, given the volume of our users, we do not actively monitor the retention rates of our individual users. As a result, we may be unable to address any retention issues with specific users in a timely manner, which could harm our business.
Our future growth could be harmed if we fail to attract new users or convert registered users to paying users.
We must continually add new users to grow our business beyond our current user base and to replace users who choose not to continue to use our platform. Historically, our revenue has been driven by our self-serve model, and we generate more than 90% of our revenue from self-serve channels. Any decrease in user satisfaction with our products or support could harm our brand, word-of-mouth referrals, and ability to grow.
Additionally, many of our users initially access our platform free of charge. We strive to demonstrate the value of our platform to our registered users, thereby encouraging them to convert to paying users through in-product prompts and notifications, and time-limited trials of paid subscription plans. As of June 30, 2020, we served over 600 million registered
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users but only 15.0 million paying users. The actual number of unique users is lower than we report as one person may register more than once for our platform. As a result, we have fewer unique registered users that we may be able to convert to paying users. A majority of our registered users may never convert to a paid subscription to our platform, and failure to convert users to a paid subscription will restrict our ability to grow our revenue.
In addition, our user growth rate has and may continue to slow in the future as our market penetration rates increase and we turn our focus to converting registered users to paying users rather than growing the total number of registered users. If we are not able to continue to expand our user base or fail to convert our registered users to paying users, demand for our paid services and our revenue may grow more slowly than expected or decline. Furthermore, catastrophic events that financially impact our registered users and other prospective paying users, such as the ongoing COVID-19 pandemic, may cause these users to delay or reduce technology spending, which may impact our ability to convert registered users or otherwise attract new paying users.
Our revenue growth rate has declined in recent periods and may continue to slow in the future.
We have experienced significant revenue growth in prior periods. However, our rates of revenue growth are slowing and may continue to slow in the future. Many factors may contribute to declines in our growth rates, including higher market penetration, increased competition, slowing demand for our platform, a decrease in the growth of the overall content collaboration market, a failure by us to continue capitalizing on growth opportunities, the impact of catastrophic events on economic conditions or on our current and prospective paying users, and the maturation of our business, among others. You should not rely on the revenue growth of any prior quarterly or annual period as an indication of our future performance. If our growth rates decline, investors’ perceptions of our business and the trading price of our Class A common stock could be adversely affected.
The effect of the COVID-19 pandemic on our business is currently unknown, but it may adversely affect our financial results as well as our business operations.
The full extent of the impacts of the COVID-19 pandemic on our financial results and business operations are currently unknown and cannot be estimated with any degree of certainty. Impacts to our financial results may include, without limitation, (1) negative impacts to our current and prospective users’ ability to purchase or renew paid licenses for access to our platform, delays or defaults on payment obligations, which could negatively affect our revenues and cash flows, or modifications to net payment terms or invoice frequency, which could negatively affect our cash flows, (2) fluctuations in foreign currency exchange rates, which have and may continue to negatively impact our results of operations and cash flows, and (3) decreases in interest rates, which has and may continue to reduce interest income. Impacts to our business operations may include, without limitation, (1) disruptions to our sales operations and marketing efforts, (2) negative impacts to the financial condition or operations of our vendors and business partners, as well as disruptions to the supply chain of hardware needed to offer our services, (3) disruptions to our ability to conduct product development and other important business activities, and (4) potential postponement or cancellation of previously planned investments or other initiatives. Accordingly, the COVID-19 pandemic may have a negative impact on our financial results as well as our business operations, the magnitude and duration of which we are currently unable to predict. Additionally, concerns over the economic impact of the COVID-19 pandemic have caused extreme volatility in financial and other capital markets which may adversely impact our stock price.
We operate in competitive markets, and we must continue to compete effectively.
The market for content collaboration platforms is competitive and rapidly changing. Certain features of our platform compete in the cloud storage market with products offered by Microsoft, Amazon, Apple and Google and in the content collaboration market with products offered by Microsoft, Atlassian, Slack, and Google. We compete with Box on a more limited basis in the cloud storage market for deployments by large enterprises. We also compete with smaller private companies that offer point solutions in the cloud storage market or the content collaboration market. We believe the principal competitive factors in our markets include the following:

• | user-centric design;

• | ease of adoption and use;

• | scale of user network;

• | features and platform experience

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• | performance;

• | brand;

• | security and privacy

• | accessibility across several devices, operating system, and applications;

• | third-party integration;

• | customer support;

• | continued innovation; and

• | pricing.

With the introduction of new technologies and market entrants, we expect competition to intensify. Many of our actual and potential competitors or alliances among competitors benefit from competitive advantages over us, such as greater name recognition, longer operating histories, more varied products and services, larger marketing budgets, more established marketing relationships, access to larger user bases, major distribution agreements with hardware manufacturers and resellers, and greater financial, technical, and other resources. Some of our competitors may make acquisitions or enter into strategic relationships to offer a broader range of products and services than we do. These combinations may make it more difficult for us to compete effectively. We expect these trends to continue as competitors attempt to strengthen or maintain their market positions.
Demand for our platform is also sensitive to price. Many factors, including our marketing, user acquisition and technology costs, and our current and future competitors’ pricing and marketing strategies, can significantly affect our pricing strategies. Certain of our competitors offer, or may in the future offer, lower-priced or free products or services that compete with our platform or may bundle and offer a broader range of products and services.
Similarly, certain competitors may use marketing strategies that enable them to acquire users at a lower cost than us. There can be no assurance that we will not be forced to engage in price-cutting initiatives or to increase our marketing and other expenses to attract and retain users in response to competitive pressures, either of which could materially and adversely affect our business, results of operations, and financial condition.
Our business could be damaged, and we could be subject to liability if there is any unauthorized access to our data or our users’ content, including through privacy and data security breaches.
The use of our platform involves the transmission, storage, and processing of user content, some of which may be considered personally identifiable, confidential, or sensitive. We face security threats from malicious third parties that could obtain unauthorized access to our systems, infrastructure, and networks. We anticipate that these threats will continue to grow in scope and complexity over time. For example, in 2016, we learned that an old set of Dropbox user credentials for approximately 68 million accounts was released. These credentials consisted of email addresses and passwords protected by cryptographic techniques known as hashing and salting. Hashing and salting can make it more difficult to obtain the original password but may not fully protect the original password from being obtained. We believe these Dropbox user credentials were obtained in 2012 and related to a security incident we disclosed to users. In response, we notified all existing users we believed to be affected and completed a password reset for anyone who had not updated their password since mid-2012. We have responded to this event by expanding our security team and data monitoring capabilities and continuing to work on features such as two-factor authentication to increase protection of user information. While we believe our corrective actions will reduce the likelihood of similar incidents occurring in the future, third parties might use techniques that we are unable to defend against to compromise and infiltrate our systems, infrastructure, and networks. We may fail to detect the existence of a breach of user content and be unable to prevent unauthorized access to user and company content. The techniques used to obtain unauthorized access, disable or degrade service, or sabotage systems change frequently and are often not recognized until launched against a target. They may originate from less regulated or remote areas around the world, or from state-sponsored actors. If our security measures are breached, or our users’ content is otherwise accessed through unauthorized means, or if any such actions are believed to occur, our platform may be perceived as insecure, and we may lose existing users or fail to attract and retain new users.
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We may rely on third parties when deploying our infrastructure, and in doing so, expose it to security risks outside of our direct control. We rely on outside vendors and contractors to perform services necessary for the operation of the business, and they may fail to adequately secure our user and company content data. This risk may increase when vendors and contractors work remotely, such as during the ongoing COVID-19 pandemic.
In addition, certain developers or other partners who create applications that integrate with our platform, may receive or store information provided by us or by our users through these applications. If these third parties or developers fail to adopt or adhere to adequate data security practices, or in the event of a breach of their networks, our data or our users' data may be improperly accessed, used, or disclosed.
Third parties may attempt to compromise our employees and their privileged access into internal systems to gain access to accounts, our information, our networks, or our systems. Employee error, malfeasance, or other errors in the storage, use, or transmission of personal information could result in an actual or perceived breach of user privacy. Our users may also disclose or lose control of their passwords, or use the same or similar passwords on third parties’ systems, which could lead to unauthorized access to their accounts on our platform.
Any unauthorized or inadvertent access to, or an actual or perceived security breach of, our systems, infrastructure, or networks could result in an actual or perceived loss of, or unauthorized access to, our data or our users’ content, regulatory investigations and orders, litigation, indemnity obligations, damages, penalties, fines, and other costs in connection with actual and alleged contractual breaches, violations of applicable laws and regulations, and other liabilities. Any such incident could also materially damage our reputation and harm our business, results of operations, and financial condition, including reducing our revenue, causing us to issue credits to users, negatively impacting our ability to accept and process user payment information, eroding our users’ trust in our services and payment solutions, subjecting us to costly user notification or remediation, harming our ability to retain users, harming our brand, or increasing our cost of acquiring new users. We maintain errors, omissions, and cyber liability insurance policies covering certain security and privacy damages. However, we cannot be certain that our coverage will be adequate for liabilities actually incurred or that insurance will continue to be available to us on economically reasonable terms, or at all. Further, if a high-profile security breach occurs with respect to another content collaboration solutions provider, our users and potential users could lose trust in the security of content collaboration solutions providers generally, which could adversely impact our ability to retain users or attract new ones.
Our business could be harmed by any significant disruption of service on our platform or loss of content.
Our brand, reputation, and ability to attract, retain, and serve our users are dependent upon the reliable performance of our platform, including our underlying technical infrastructure. Our users rely on our platform to store digital copies of their valuable content, including financial records, business information, documents, photos, and other important content. Our technical infrastructure may not be adequately designed with sufficient reliability and redundancy to avoid performance delays or outages that could be harmful to our business. If our platform is unavailable when users attempt to access it, or if it does not load as quickly as they expect, users may not use our platform as often in the future, or at all.
As our user base and the amount and types of information stored, synced, and shared on our platform continues to grow, we will need an increasing amount of technical infrastructure, including network capacity and computing power, to continue to satisfy the needs of our users. The vast majority of user content is stored on our own custom-built infrastructure at co-location facilities that we directly lease and operate. During 2015 and 2016, we migrated the vast majority of user content to our own custom-built infrastructure in co-location facilities that we directly lease and operate. As we add to our infrastructure, we may move or transfer additional content.
Further, as we continue to grow and scale our business to meet the needs of our users, we may overestimate or underestimate our infrastructure capacity requirements, which could adversely affect our results of operations. The costs associated with leasing and maintaining our custom-built infrastructure in co-location facilities and third-party datacenters already constitute a significant portion of our capital and operating expenses. We continuously evaluate our short- and long-term infrastructure capacity requirements to ensure adequate capacity for new and existing users while minimizing unnecessary excess capacity costs. If we overestimate the demand for our platform and therefore secure excess infrastructure capacity, our operating margins could be reduced. If we underestimate our infrastructure capacity requirements, we may not be able to service the expanding needs of new and existing users, and our hosting facilities, network, or systems may fail. Additionally, our ability to accurately perform capacity planning is dependent on the reliability of the global supply chain for hardware, network, and platform infrastructure equipment. Significant and unforeseen disruptions to the supply chain, including those resulting from the COVID-19 pandemic, in addition to competition for a limited supply of such equipment, may impede our ability to meet our short-term or long-term infrastructure capacity requirements. Furthermore, our efforts to mitigate such
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disruptions and compete for such equipment may impact the timing and magnitude of our infrastructure spending, resulting in unexpected increases in shorter-term or longer-term costs than originally projected.
In addition, the datacenters that we use are vulnerable to damage or interruption from human error, intentional bad acts, earthquakes, floods, fires, war, terrorist attacks, power losses, hardware failures, systems failures, telecommunications failures, and similar events, any of which could disrupt our service, destroy user content, or prevent us from being able to continuously back up or record changes in our users’ content. In the event of significant physical damage to one of these datacenters, it may take a significant period of time to achieve full resumption of our services, and our disaster recovery planning may not account for all eventualities. Damage or interruptions to these datacenters could harm our platform and business.
We generate revenue from sales of subscriptions to our platform, and any decline in demand for our platform or for content collaboration solutions in general could negatively impact our business.
We generate, and expect to continue to generate, revenue from the sale of subscriptions to our platform. As a result, widespread acceptance and use of content collaboration solutions in general, and our platform in particular, is critical to our future growth and success. If the content collaboration market fails to grow or grows more slowly than we currently anticipate, demand for our platform could be negatively affected.
Changes in user preferences for content collaboration may have a disproportionately greater impact on us than if we offered multiple platforms or disparate products. Demand for content collaboration solutions in general, and our platform in particular, is affected by a number of factors, many of which are beyond our control. Some of these potential factors include:

• | awareness of the content collaboration category generally;

• | availability of products and services that compete with ours;

• | ease of adoption and use;

• | features and platform experience;

• | performance;

• | brand;

• | security and privacy;

• | customer support; and

• | pricing.

The content collaboration market is subject to rapidly changing user demand and trends in preferences. If we fail to successfully predict and address these changes and trends, meet user demands, or achieve more widespread market acceptance of our platform, our business, results of operations, and financial condition could be harmed.
Our business depends upon the interoperability of our platform across devices, operating systems, and third-party applications that we do not control.
One of the most important features of our platform is its broad interoperability with a range of diverse devices, operating systems, and third-party applications. Our platform is accessible from the web and from devices running Windows, Mac OS, iOS, Android, WindowsMobile, and Linux. We also have integrations with Microsoft, Adobe, Apple, Salesforce, Atlassian, Slack, BetterCloud, Google, IBM, Cisco, VMware, Okta, Symantec, Palo Alto Networks, Zoom, and a variety of other productivity, collaboration, data management, and security vendors. We are dependent on the accessibility of our platform across these third-party operating systems and applications that we do not control. Several of our competitors own, develop, operate, or distribute operating systems, app stores, third-party datacenter services, and other software, and also have material business relationships with companies that own, develop, operate, or distribute operating systems, applications markets, third-party datacenter services, and other software that our platform requires in order to operate. Moreover, some of these competitors have inherent advantages developing products and services that more tightly integrate with their software and hardware platforms or those of their business partners.
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Third-party services and products are constantly evolving, and we may not be able to modify our platform to assure its compatibility with that of other third parties following development changes. In addition, some of our competitors may be able to disrupt the operations or compatibility of our platform with their products or services, or exert strong business influence on our ability to, and terms on which we, operate and distribute our platform. For example, we currently offer products that directly compete with several large technology companies that we rely on to ensure the interoperability of our platform with their products or services. We also rely on these companies to make our mobile applications available through their app stores. As our respective products evolve, we expect this level of competition to increase. Should any of our competitors modify their products or standards in a manner that degrades the functionality of our platform or gives preferential treatment to competitive products or services, whether to enhance their competitive position or for any other reason, the interoperability of our platform with these products could decrease and our business, results of operations, and financial condition could be harmed.
Failure to respond to rapid technological changes, extend our platform, or develop new features or products may harm our ability to compete effectively which would adversely affect our business.
The content collaboration market is characterized by rapid technological change and frequent new product and service introductions. Our ability to grow our user base and increase revenue from existing users will depend heavily on our ability to enhance and improve our platform, introduce new features and products, increase our strategic partnerships with third parties, and interoperate across an increasing range of devices, operating systems, and third-party applications. Users may require features and capabilities that our current platform does not have. We invest significantly in research and development, and our goal is to focus our spending on measures that improve quality and ease of adoption and create organic user demand for our platform. For example, in 2017, we released Smart Sync, an advanced productivity feature, and introduced Paper, a collaborative product experience. In 2018, we announced Dropbox Extensions, which allows users to initiate and manage workflows with third-party partner applications from Dropbox. More recently, in 2019, we launched Dropbox Spaces, an evolution of the shared folder which creates a collaborative workspace for individuals and teams to work together. There is no assurance that our enhancements to our platform or our new product experiences, partnerships, features, or capabilities will be compelling to our users or gain market acceptance. If our research and development investments do not accurately anticipate user demand, we are unsuccessful in establishing or maintaining our strategic partnerships, or if we fail to develop our platform in a manner that satisfies user preferences in a timely and cost-effective manner, we may fail to retain our existing users or increase demand for our platform.
The introduction of new products and services by competitors or the development of entirely new technologies to replace existing offerings could make our platform obsolete or adversely affect our business, results of operations, and financial condition. We may experience difficulties with software development, design, or marketing that could delay or prevent our development, introduction, or implementation of new product experiences, features, or capabilities. We also may experience broad-based business or economic disruptions that could adversely affect the productivity of our employees and result in delays in the development or implementation process. For example, as a result of the ongoing COVID-19 pandemic, we are temporarily requiring substantially all of our employees to work remotely, which may lead to disruptions and decreased productivity that could result in delays in our product development process. We have in the past experienced delays in our internally planned release dates of new features and capabilities, and there can be no assurance that new product experiences, features, or capabilities will be released according to schedule. Any delays could result in adverse publicity, loss of revenue or market acceptance, or claims by users brought against us, all of which could have a material and adverse effect on our reputation, business, results of operations, and financial condition. Moreover, new features to our platform may require substantial investment, and we have no assurance that such investments will be successful. If users do not widely adopt our new product experiences, features, and capabilities, we may not be able to realize a return on our investment. If we are unable to develop, license, or acquire new features and capabilities to our platform on a timely and cost-effective basis, or if such enhancements do not achieve market acceptance, our business, results of operations, and financial condition could be adversely affected.
We have a history of net losses, we may increase expenses in the future, and we may not be able to achieve or maintain profitability.
We have incurred net losses on an annual basis since our inception. We incurred net losses of $52.7 million, $484.9 million, and $111.7 million in the years ended December 31, 2019, 2018, and 2017, respectively, and we had an accumulated deficit of $1,726.2 million as of December 31, 2019. While we were profitable on a GAAP basis for the first and second fiscal quarters of 2020, we may not be profitable in future quarters. As we strive to grow our business, expenses may increase in the near term, particularly as we continue to make investments to scale our business. For example, we will need an increasing amount of technical infrastructure to continue to satisfy the needs of our user base. Our research and development expenses
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may also increase as we plan to continue to hire employees for our engineering, product, and design teams to support these efforts. In addition, we will incur additional rent expense in connection with our move to our new corporate headquarters, and additional general and administrative expenses to support both our growth as well as our transition to being a publicly traded company. These investments may not result in increased revenue or growth in our business or our revenue may not grow to the extent we expect and expense growth may outpace revenue. Further, we have created mobile applications and mobile versions of Dropbox that are distributed to users primarily through app stores operated by Apple and Google, each of whom charge us in-application purchase fees. As a result, if more of our users subscribe to our products through mobile applications, these fees may have an adverse impact on our results of operations. We may also encounter unforeseen or unpredictable factors, including unforeseen operating expenses, complications, or delays, which may result in increased costs. Furthermore, it is difficult to predict the size and growth rate of our market, user demand for our platform, user adoption and renewal of our platform, the entry of competitive products and services, or the success of existing competitive products and services. As a result, we may not achieve or maintain profitability in future periods. If we fail to grow our revenue sufficiently to keep pace with our investments and other expenses, our results of operations and financial condition would be adversely affected.
We may not successfully manage our growth or plan for future growth.
Since our founding in 2007, we have experienced rapid growth. For example, our headcount has grown from 1,612 employees as of December 31, 2016, to 2,801 employees as of December 31, 2019, with employees located both in the United States and internationally. The growth and expansion of our business places a continuous significant strain on our management, operational, and financial resources. Further growth of our operations to support our user base or our expanding third-party relationships, our information technology systems, and our internal controls and procedures may not be adequate to support our operations. In addition, as we continue to grow, we face challenges of integrating, developing, and motivating a rapidly growing employee base in various countries around the world. Certain members of our management have not previously worked together for an extended period of time and some do not have prior experience managing a public company, which may affect how they manage our growth. Managing our growth will also require significant expenditures and allocation of valuable management resources.
In addition, our rapid growth may make it difficult to evaluate our future prospects. Our ability to forecast our future results of operations is subject to a number of uncertainties, including our ability to effectively plan for and model future growth. We have encountered in the past, and may encounter in the future, risks and uncertainties frequently experienced by growing companies in rapidly changing industries. If we fail to achieve the necessary level of efficiency in our organization as it grows, or if we are not able to accurately forecast future growth, our business, results of operations, and financial condition could be harmed.
Our lack of a significant outbound sales force may limit the potential growth of our business.
Historically, our business model has been driven by organic adoption and viral growth, with more than 90% of our revenue generated from self-serve channels. As a result, we do not have a significant outbound sales force, which has enabled us to be more efficient with our sales and marketing spend. Although we believe our business model can continue to scale without a large outbound sales force, our word-of-mouth and user referral marketing model may not continue to be as successful as we anticipate, and our limited experience selling directly to large organizations through our outbound sales force may impede our future growth. As we continue to scale our business, an enhanced sales infrastructure could assist in reaching larger organizations and growing our revenue. Identifying and recruiting additional qualified sales personnel and training them would require significant time, expense, and attention, and would significantly impact our business model. Further, adding more sales personnel would change our cost structure and results of operations, and we may have to reduce other expenses in order to accommodate a corresponding increase in sales and marketing expenses. If our limited experience selling and marketing to large organizations prevents us from reaching larger organizations and growing our revenue, and if we are unable to hire, develop, and retain talented sales personnel in the future, our business, results of operations, and financial condition could be adversely affected.
We may expand sales to large organizations, which could lengthen sales cycles and result in greater deployment challenges.
As our business evolves, we may need to invest more resources into sales to large organizations. Large organizations may undertake a significant evaluation and negotiation process, which can lengthen our sales cycle. We may also face unexpected deployment challenges with large organizations or more complicated deployment of our platform. Large organizations may demand more configuration and integration of our platform or require additional security management or control features. We may spend substantial time, effort, and money on sales efforts to large organizations without any assurance that our efforts will produce any sales .Additionally, our ability to sell via an outbound sales force has been, may continue to be, impeded by catastrophic events, including public health epidemics such as the ongoing COVID-19 pandemic, that limit our ability to travel
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or meet in person. As a result, sales to large organizations may lead to greater unpredictability in our business, results of operations, and financial condition.
Any failure to offer high-quality customer support may harm our relationships with our users and our financial results.
We have designed our platform to be easy to adopt and use with minimal to no support necessary. Any increased user demand for customer support could increase costs and harm our results of operations. In addition, as we continue to grow our operations and support our global user base, we need to be able to continue to provide efficient customer support that meets our customers’ needs globally at scale. Paying users receive additional customer support features and the number of our paying users has grown significantly, which will put additional pressure on our support organization. For example, the number of paying users has grown from 8.8 million as of December 31, 2016, to 15.0 million as of June 30, 2020. If we are unable to provide efficient customer support globally at scale, our ability to grow our operations may be harmed and we may need to hire additional support personnel, which could harm our results of operations. Our new user signups are highly dependent on our business reputation and on positive recommendations from our existing users. Any failure to maintain high-quality customer support, or a market perception that we do not maintain high-quality customer support, could harm our reputation, business, results of operations, and financial condition.
Our quarterly results may fluctuate significantly and may not fully reflect the underlying performance of our business.
Our quarterly results of operations, including our revenue, gross margin, operating margin, profitability, cash flow from operations, and deferred revenue, may vary significantly in the future and period-to-period comparisons of our results of operations may not be meaningful. Accordingly, the results of any one quarter should not be relied upon as an indication of future performance. For example, while we were profitable on a GAAP basis for the first and second fiscal quarters of 2020, our quarterly operating results have fluctuated in the past and will fluctuate in the future and we may not be profitable in future quarters. Our quarterly results of operations may fluctuate as a result of a variety of factors, many of which are outside of our control, and as a result, may not fully reflect the underlying performance of our business. Fluctuation in quarterly results may negatively impact the value of our securities. Factors that may cause fluctuations in our quarterly results of operations include, without limitation, those listed below:

• | our ability to retain and upgrade paying users;

• | our ability to attract new paying users and convert registered to paying users;

• | the timing of expenses and recognition of revenue;

• | the amount and timing of operating expenses related to the maintenance and expansion of our business, operations, and infrastructure, as well as entry into operating and finance leases;

• | the timing of expenses related to acquisitions;

• | any large indemnification payments to our users or other third parties;

• | changes in our pricing policies or those of our competitors;

• | the timing and success of new product feature and service introductions by us or our competitors;

• | network outages or actual or perceived security breaches;

• | changes in the competitive dynamics of our industry, including consolidation among competitors;

• | changes in laws and regulations that impact our business;

• | general economic and market conditions; and

• | catastrophic events, including earthquakes, fires, floods, tsunamis, or other weather events, power loss, telecommunications failures, software or hardware malfunctions, cyber-attack, war, or terrorist attacks, and pandemics such the ongoing COVID-19 pandemic.

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Our results of operations may not immediately reflect downturns or upturns in sales because we recognize revenue from our users over the term of their subscriptions with us.
We recognize revenue from subscriptions to our platform over the terms of these subscriptions. Our subscription arrangements generally have monthly or annual contractual terms, and we also have a small percentage of multi-year contractual terms. Amounts that have been billed are initially recorded as deferred revenue until the revenue is recognized. As a result, a large portion of our revenue for each quarter reflects deferred revenue from subscriptions entered into during previous quarters, and downturns or upturns in subscription sales, or renewals and potential changes in our pricing policies may not be reflected in our results of operations until later periods. Our subscription model also makes it difficult for us to rapidly increase our revenue through additional sales in any period, as subscription revenue from new users is recognized over the applicable subscription term. By contrast, a significant majority of our costs are expensed as incurred, which occurs as soon as a user starts using our platform. As a result, an increase in users could result in our recognition of more costs than revenue in the earlier portion of the subscription term. We may not attain sufficient revenue to maintain positive cash flow from operations or achieve profitability in any given period.
We depend on our key personnel and other highly qualified personnel, and if we fail to attract, integrate, and retain our personnel, and maintain our unique corporate culture, our business could be harmed.
We depend on the continued service and performance of our key personnel. In particular, Andrew W. Houston, our President and Chief Executive Officer and one of our co-founders, is critical to our vision, strategic direction, culture, and offerings. From time to time, there have been changes in our management team resulting from the hiring or departure of our executives, and there may be additional changes in the future. For example, Ajay Vashee, our Chief Financial Officer, has announced his resignation, and Timothy Regan, our Chief Accounting Officer, has been appointed to succeed him, effective September 2020. In addition, Olivia Nottebohm joined us as our Chief Operating Officer in February 2020, and other key personnel have also recently joined us or been appointed to new roles. While we seek to manage these transitions carefully, such changes may result in a loss of institutional knowledge and may cause disruptions to our business. If we fail to successfully integrate new key personnel into our organization or if key employees are unable to successfully transition into new roles, our business could be adversely affected.
All of our officers and key personnel are at-will employees. In addition, many of our key technologies and systems are custom-made for our business by our key personnel. The loss of key personnel, including key members of our management team, as well as certain of our key marketing, sales, product development, or technology personnel, could disrupt our operations and have an adverse effect on our ability to grow our business.
To execute our growth plan, we must attract and retain highly qualified personnel. Competition for these employees is intense, particularly in the San Francisco Bay Area where our headquarters is located, and we may not be successful in attracting and retaining qualified personnel. We have from time to time in the past experienced, and we expect to continue to experience, difficulty in hiring and retaining highly skilled employees with appropriate qualifications. Our recent hires and planned hires may not become as productive as we expect, and we may be unable to hire, integrate, or retain sufficient numbers of qualified individuals. Many of the companies with which we compete for experienced personnel have greater resources than we have. In addition, in making employment decisions, particularly in the internet and high-technology industries, job candidates often consider the value of the equity they are to receive in connection with their employment. Employees may be more likely to leave us if the shares they own or the shares underlying their equity incentive awards have significantly appreciated or significantly reduced in value. Many of our employees may receive significant proceeds from sales of our equity in the public markets, which may reduce their motivation to continue to work for us. If we fail to attract new personnel, or fail to retain and motivate our current personnel, our business and growth prospects could be harmed.
Additionally, if we do not maintain and continue to develop our corporate culture as we grow and evolve, it could harm our ability to foster the innovation, creativity, and teamwork we believe that we need to support our growth. Additions of executive-level management and large numbers of employees could significantly and adversely impact our culture.
Our business depends on a strong brand, and if we are not able to maintain and enhance our brand, our ability to expand our base of users will be impaired and our business, results of operations, and financial condition will be harmed.
We believe that our brand identity and awareness have contributed to our success and have helped fuel our efficient go-to-market strategy. We also believe that maintaining and enhancing the Dropbox brand is critical to expanding our base of users. We anticipate that, as our market becomes increasingly competitive, maintaining and enhancing our brand may become increasingly difficult and expensive. Any unfavorable publicity or consumer perception of our platform or the providers of content collaboration solutions generally could adversely affect our reputation and our ability to attract and retain users.
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Additionally, if we fail to promote and maintain the Dropbox brand, our business, results of operations, and financial condition will be materially and adversely affected.
We are continuing to expand our operations outside the United States, where we may be subject to increased business and economic risks that could impact our results of operations.
We have paying users across 180 countries and approximately half of our revenue in the year ended December 31, 2019 was generated from paying users outside the United States. We expect to continue to expand our international operations, which may include opening offices in new jurisdictions and providing our platform in additional languages. Any new markets or countries into which we attempt to sell subscriptions to our platform may not be receptive. For example, we may not be able to expand further in some markets if we are not able to satisfy certain government- and industry-specific requirements. In addition, our ability to manage our business and conduct our operations internationally requires considerable management attention and resources and is subject to the particular challenges of supporting a rapidly growing business in an environment of multiple languages, cultures, customs, legal and regulatory systems, alternative dispute systems, and commercial markets. International expansion has required, and will continue to require, investment of significant funds and other resources. Operating internationally subjects us to new risks and may increase risks that we currently face, including risks associated with:

• | compliance with applicable international laws and regulations, including laws and regulations with respect to privacy, data protection, consumer protection, and unsolicited email, and the risk of penalties to our users and individual members of management or employees if our practices are deemed to be out of compliance;

• | recruiting and retaining talented and capable employees outside the United States, and maintaining our company culture across all of our offices;

• | providing our platform and operating our business across a significant distance, in different languages and among different cultures, including the potential need to modify our platform and features to ensure that they are culturally appropriate and relevant in different countries;

• | management of an employee base in jurisdictions that may not give us the same employment and retention flexibility as does the United States;

• | operating in jurisdictions that do not protect intellectual property rights to the same extent as does the United States;

• | compliance by us and our business partners with anti-corruption laws, import and export control laws, tariffs, trade barriers, economic sanctions, and other regulatory limitations on our ability to provide our platform in certain international markets;

• | foreign exchange controls that might require significant lead time in setting up operations in certain geographic territories and might prevent us from repatriating cash earned outside the United States;

• | political and economic instability;

• | changes in diplomatic and trade relationships, including the imposition of new trade restrictions, trade protection measures, import or export requirements, trade embargoes and other trade barriers;

• | double taxation of our international earnings and potentially adverse tax consequences due to changes in the income and other tax laws of the United States or the international jurisdictions in which we operate;

• | higher costs of doing business internationally, including increased accounting, travel, infrastructure, and legal compliance costs; and

• | the impact of natural disasters and public health epidemics on employees, travel and the global economy, including the ongoing global COVID-19 pandemic.

Compliance with laws and regulations applicable to our global operations substantially increases our cost of doing business in international jurisdictions. We may be unable to keep current with changes in laws and regulations as they change. Although we have implemented policies and procedures designed to support compliance with these laws and regulations, there can be no assurance that we will always maintain compliance or that all of our employees, contractors, partners, and agents will
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comply. Any violations could result in regulatory investigations and enforcement actions, fines, civil and criminal penalties, damages, injunctions, or reputational harm. If we are unable comply with these laws and regulations or manage the complexity of our global operations successfully, our business, results of operations, and financial condition could be adversely affected.
Our results of operations, which are reported in U.S. dollars, could be adversely affected if currency exchange rates fluctuate substantially in the future.
We conduct our business across 180 countries around the world. As we continue to expand our international operations, we will become more exposed to the effects of fluctuations in currency exchange rates. This exposure is the result of selling in multiple currencies and operating in foreign countries where the functional currency is the local currency. In 2019, 29% of our sales were denominated in currencies other than U.S. dollars. Our expenses, by contrast, are primarily denominated in U.S. dollars. As a result, any increase in the value of the U.S. dollar against these foreign currencies, including those resulting from the impact of the COVID-19 pandemic, could cause our revenue to decline relative to our costs, thereby decreasing our gross margins. Our results of operations are primarily subject to fluctuations in the Euro and British pound sterling. Because we conduct business in currencies other than U.S. dollars, but report our results of operations in U.S. dollars, we also face remeasurement exposure to fluctuations in currency exchange rates, which could hinder our ability to predict our future results and earnings and could materially impact our results of operations. We do not currently maintain a program to hedge exposures to non-U.S. dollar currencies.
We depend on our infrastructure and third-party datacenters, and any disruption in the operation of these facilities or failure to renew the services could adversely affect our business.
We host our services and serve all of our users using a combination of our own custom-built infrastructure that we lease and operate in co-location facilities and third-party datacenter services such as Amazon Web Services. While we typically control and have access to the servers we operate in co-location facilities and the components of our custom-built infrastructure that are located in those co-location facilities, we control neither the operation of these facilities nor our third-party service providers. Furthermore, we have no physical access or control over the services provided by Amazon Web Services.
Datacenter leases and agreements with the providers of datacenter services expire at various times. The owners of these datacenters and providers of these datacenter services may have no obligation to renew their agreements with us on commercially reasonable terms, or at all. Problems faced by datacenters, with our third-party datacenter service providers, with the telecommunications network providers with whom we or they contract, or with the systems by which our telecommunications providers allocate capacity among their users, including us, could adversely affect the experience of our users. Our third-party datacenter operators could decide to close their facilities or cease providing services without adequate notice. In addition, any financial difficulties, such as bankruptcy, faced by our third-party datacenter operators or any of the service providers with whom we or they contract may have negative effects on our business, the nature and extent of which are difficult to predict.
If the datacenters and service providers that we use are unable to keep up with our growing needs for capacity, or if we are unable to renew our agreements with datacenters, and service providers on commercially reasonable terms, we may be required to transfer servers or content to new datacenters or engage new service providers, and we may incur significant costs, and possible service interruption in connection with doing so. Any changes in third-party service levels at datacenters or any real or perceived errors, defects, disruptions, or other performance problems with our platform could harm our reputation and may result in damage to, or loss or compromise of, our users’ content. Interruptions in our platform might, among other things, reduce our revenue, cause us to issue refunds to users, subject us to potential liability, harm our reputation, or decrease our renewal rates.
We have relationships with third parties to provide, develop, and create applications that integrate with our platform, and our business could be harmed if we are not able to continue these relationships.
We use software and services licensed and procured from third parties to develop and offer our platform. We may need to obtain future licenses and services from third parties to use intellectual property and technology associated with the development of our platform, which might not be available to us on acceptable terms, or at all. Any loss of the right to use any software or services required for the development and maintenance of our platform could result in delays in the provision of our platform until equivalent technology is either developed by us, or, if available from others, is identified, obtained, and integrated, which could harm our platform and business. Any errors or defects in third-party software or services could result in errors or a failure of our platform, which could harm our business, results of operations, and financial condition.
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We also depend on our ecosystem of developers to create applications that will integrate with our platform. As of December 31, 2019, Dropbox was receiving over 50 billion API calls per month, and more than 750,000 developers had registered and built applications on our platform. Our reliance on this ecosystem of developers creates certain business risks relating to the quality of the applications built using our APIs, service interruptions of our platform from these applications, lack of service support for these applications, and possession of intellectual property rights associated with these applications. We may not have the ability to control or prevent these risks. As a result, issues relating to these applications could adversely affect our business, brand, and reputation.
We are subject to a variety of U.S. and international laws that could subject us to claims, increase the cost of operations, or otherwise harm our business due to changes in the laws, changes in the interpretations of the laws, greater enforcement of the laws, or investigations into compliance with the laws.
We are subject to compliance with various laws, including those covering copyright, indecent content, child protection, consumer protection, and similar matters. There have been instances where improper or illegal content has been stored on our platform without our knowledge. As a service provider, we do not regularly monitor our platform to evaluate the legality of content stored on it. While to date we have not been subject to material legal or administrative actions as result of this content, the laws in this area are currently in a state of flux and vary widely between jurisdictions. Accordingly, it may be possible that in the future we and our competitors may be subject to legal actions, along with the users who uploaded such content. In addition, regardless of any legal liability we may face, our reputation could be harmed should there be an incident generating extensive negative publicity about the content stored on our platform. Such publicity could harm our business and results of operations.
We are also subject to consumer protection laws that may impact our sales and marketing efforts, including laws related to subscriptions, billing, and auto-renewal. These laws, as well as any changes in these laws, could adversely affect our self-serve model and make it more difficult for us to retain and upgrade paying users and attract new ones. Additionally, we have in the past, are currently, and may from time to time in the future become the subject of inquiries and other actions by regulatory authorities as a result of our business practices, including our subscription, billing, and auto-renewal policies. Consumer protection laws may be interpreted or applied by regulatory authorities in a manner that could require us to make changes to our operations or incur fines, penalties or settlement expenses, which may result in harm to our business, results of operations, and brand.
Our platform depends on the ability of our users to access the internet and our platform has been blocked or restricted in some countries for various reasons. For example, our platform is blocked in the People’s Republic of China. If we fail to anticipate developments in the law, or fail for any reason to comply with relevant law, our platform could be further blocked or restricted and we could be exposed to significant liability that could harm our business.
We are also subject to various U.S. and international anti-corruption laws, such as the U.S. Foreign Corrupt Practices Act, the U.K. Bribery Act, and Irish Criminal Justice (Corruption Offences) Act 2018, as well as other similar anti-bribery and anti-kickback laws and regulations. These laws and regulations generally prohibit companies and their employees and intermediaries from authorizing, offering, or providing improper payments or benefits to officials and other recipients for improper purposes. Although we take precautions to prevent violations of these laws, our exposure for violating these laws increases as we continue to expand our international presence and any failure to comply with such laws could harm our reputation and our business.
We are subject to export and import control laws and regulations that could impair our ability to compete in international markets or subject us to liability if we violate such laws and regulations.
We are subject to U.S. export controls and sanctions regulations that prohibit the shipment or provision of certain products and services to certain countries, governments, and persons targeted by U.S. sanctions. While we take precautions to prevent our products and services from being exported in violation of these laws, including implementing IP address blocking, we cannot guarantee that the precautions we take will prevent violations of export control and sanctions laws. For example, in 2011, we provided certain downloadable portions of our software to international users that, prior to export, required either a one-time product review or application for an encryption registration number in lieu of such product review. These exports were likely made in violation of U.S. export control and sanction laws. In March 2011, we filed a Final Voluntary Self Disclosure with the U.S. Department of Commerce’s Bureau of Industry and Security, or BIS, concerning these potential violations. In June 2012, BIS notified us that it had completed its review of these matters and closed its review with the issuance of a Warning Letter. No monetary penalties were assessed against us by BIS with respect to the 2011 filing. In addition, in 2017, we discovered that our platform has been accessed by certain users in apparent violation of United States sanctions regulations. We filed an Initial Voluntary Self Disclosure in October 2017 with the Office of Foreign Assets Control,
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or OFAC, and a Final Voluntary Self Disclosure with OFAC in February 2018. In October 2018, OFAC notified us that it had completed its review of these matters and closed its review with the issuance of a Cautionary Letter. No monetary penalties were assessed with respect to the 2018 filing. If in the future we are found to be in violation of U.S. sanctions or export control laws, it could result in substantial fines and penalties for us and for the individuals working for us.
In addition, various countries regulate the import and export of certain encryption and other technology, including import and export permitting and licensing requirements, and have enacted laws that could limit our ability to distribute our products or could limit our users’ ability to access our platform in those countries. Changes in our platform or client-side software, or future changes in export and import regulations may prevent our users with international operations from deploying our platform globally or, in some cases, prevent the export or import of our platform to certain countries, governments, or persons altogether. Any change in export or import regulations, economic sanctions or related legislation, or change in the countries, governments, persons or technologies targeted by such regulations, could result in decreased use of our platform by, or in our decreased ability to export or sell subscriptions to our platform to, existing or potential users with international operations. Any decreased use of our platform or limitation on our ability to export or sell our products would likely adversely affect our business, results of operations, and financial results.
Our actual or perceived failure to comply with privacy, data protection, and information security laws, regulations, and obligations could harm our business.
We receive, store, process, and use personal information and other user content. There are numerous federal, state, local, and international laws and regulations regarding privacy, data protection, information security, and the storing, sharing, use, processing, transfer, disclosure, and protection of personal information and other content, the scope of which are changing, subject to differing interpretations, and may be inconsistent among countries, or conflict with other rules. We also post privacy policies and are subject to contractual obligations to third parties related to privacy, data protection, and information security. We strive to comply with applicable laws, regulations, policies, and other legal obligations relating to privacy, data protection, and information security to the extent possible. However, the regulatory framework for privacy and data protection worldwide is, and is likely to remain, uncertain for the foreseeable future, and it is possible that these or other actual or alleged obligations may be interpreted and applied in a manner that is inconsistent from one jurisdiction to another and may conflict with other rules or our practices.
We also expect that there will continue to be new laws, regulations, and industry standards concerning privacy, data protection, and information security proposed and enacted in various jurisdictions. For example, in May 2018, the General Data Protection Regulation, or GDPR, went into effect in the European Union, or EU. The GDPR imposed more stringent data protection requirements and provides greater penalties for noncompliance than previous data protection laws. Further, following a referendum in June 2016 in which voters in the United Kingdom approved an exit from the EU, ("Brexit"), the United Kingdom government has initiated a process to leave the EU ("Brexit"). The United Kingdom withdrew from the EU pursuant to Brexit on January 31, 2020, subject to a transition period that is set to end on December 31, 2020. Brexit has created uncertainty with regard to the regulation of data protection in the United Kingdom. In particular, although the United Kingdom has enacted a Data Protection Act designed to be consistent with the GDPR, it remains unclear how data transfers to and from the United Kingdom will be regulated. Additionally, although we have self-certified under the U.S.-EU and U.S.-Swiss Privacy Shield Frameworks with regard to our transfer of certain personal data from the European Economic Area ("EEA") and Switzerland to the United States, on July 16, 2020, the Court of Justice of the European Union invalidated Decision 2016/1250 on the adequacy of the protection provided by the U.S.-EU Privacy Shield Framework. While we rely on additional legal mechanisms to transfer data from the EEA and Switzerland to the United States, there is some regulatory uncertainty surrounding the future of data transfers from these locations to the United States, and we are closely monitoring regulatory developments in this area. The California Consumer Privacy Act of 2018, which affords consumers expanded privacy protections went into effect on January 1, 2020. However, the regulations governing certain aspects of the California Consumer Privacy Act and its enforcement have not yet been finalized. The effects of this legislation remain potentially far-reaching, and depending on final regulatory guidance and other related developments, may require us to modify our data processing practices and policies and to incur substantial costs and expenses in an effort to comply. Similarly, a number of legislative proposals in the European Union, the United States, at both the federal and state level, as well as other jurisdictions could impose new obligations in areas affecting our business. In addition, some countries are considering or have passed legislation implementing data protection requirements or requiring local storage and processing of data, or similar requirements, that could increase the cost and complexity of delivering our services.
With laws and regulations such as the GDPR in the EU and the California Consumer Privacy Act in the U.S. imposing new and relatively burdensome obligations, and with substantial uncertainty over the interpretation and application of these and other laws and regulations, we may face challenges in addressing their requirements and making necessary changes to our policies and practices, and may incur significant costs and expenses in an effort to do so. Any failure or perceived failure by us
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to comply with our privacy policies, our privacy-related obligations to users or other third parties, or any of our other legal obligations relating to privacy, data protection, or information security may result in governmental investigations or enforcement actions, litigation, claims, or public statements against us by consumer advocacy groups or others, and could result in significant liability or cause our users to lose trust in us, which could have an adverse effect on our reputation and business. Furthermore, the costs of compliance with, and other burdens imposed by, the laws, regulations, and policies that are applicable to the businesses of our users may limit the adoption and use of, and reduce the overall demand for, our services.
Additionally, if third parties we work with, such as vendors or developers, violate applicable laws or regulations or our policies, such violations may also put our users’ content at risk and could in turn have an adverse effect on our business. Any significant change to applicable laws, regulations, or industry practices regarding the collection, use, retention, security, or disclosure of our users’ content, or regarding the manner in which the express or implied consent of users for the collection, use, retention, or disclosure of such content is obtained, could increase our costs and require us to modify our services and features, possibly in a material manner, which we may be unable to complete, and may limit our ability to store and process user data or develop new services and features.
Our business could be adversely impacted by changes in internet access for our users or laws specifically governing the internet.
Our platform depends on the quality of our users’ access to the internet. Certain features of our platform require significant bandwidth and fidelity to work effectively. Internet access is frequently provided by companies that have significant market power that could take actions that degrade, disrupt or increase the cost of user access to our platform, which would negatively impact our business. We could incur greater operating expenses and our user acquisition and retention could be negatively impacted if network operators:

• | implement usage-based pricing;

• | discount pricing for competitive products;

• | otherwise materially change their pricing rates or schemes;

• | charge us to deliver our traffic at certain levels or at all;

• | throttle traffic based on its source or type;

• | implement bandwidth caps or other usage restrictions; or

• | otherwise try to monetize or control access to their networks.

On June 11, 2018, the repeal of the Federal Communications Commission’s, or FCC, “net neutrality” rules took effect and returned to a “light-touch” regulatory framework. The prior rules were designed to ensure that all online content is treated the same by internet service providers and other companies that provide broadband services. Additionally, California and a number of other states are considering or have enacted legislation or executive actions that would regulate the conduct of broadband providers. We cannot predict whether the FCC order or state initiatives will be modified, overturned, or vacated by legal action of the court, federal legislation, or the FCC. With the repeal of net neutrality rules in effect, we could incur greater operating expenses, which could harm our results of operations. As the internet continues to experience growth in the number of users, frequency of use, and amount of data transmitted, the internet infrastructure that we and our users rely on may be unable to support the demands placed upon it. The failure of the internet infrastructure that we or our users rely on, even for a short period of time, could undermine our operations and harm our results of operations.
In addition, there are various laws and regulations that could impede the growth of the internet or other online services, and new laws and regulations may be adopted in the future. These laws and regulations could, in addition to limiting internet neutrality, involve taxation, tariffs, privacy, data protection, content, copyrights, distribution, electronic contracts and other communications, consumer protection, and the characteristics and quality of services, any of which could decrease the demand for, or the usage of, our platform. Legislators and regulators may make legal and regulatory changes, or interpret and apply existing laws, in ways that require us to incur substantial costs, expose us to unanticipated civil or criminal liability, or cause us to change our business practices. These changes or increased costs could materially harm our business, results of operations, and financial condition.
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We are currently, and may be in the future, party to intellectual property rights claims and other litigation matters and, if resolved adversely, they could have a significant impact on our business, results of operations, or financial condition.
We own a large number of patents, copyrights, trademarks, domain names, and trade secrets and, from time to time, are subject to litigation based on allegations of infringement, misappropriation or other violations of intellectual property, or other rights. As we face increasing competition and gain an increasingly high profile, the possibility of intellectual property rights claims, commercial claims, and other assertions against us grows. We have in the past been, are currently, and may from time to time in the future become, a party to litigation and disputes related to our intellectual property, our business practices, transactions involving our securities and our platform. For example, we are currently subject to a number of putative class action lawsuits in state and federal court alleging federal securities law violations in connection with our IPO. The costs of supporting litigation and dispute resolution proceedings are considerable, and there can be no assurances that a favorable outcome will be obtained. Our business, results of operations, and financial condition could be materially and adversely affected by such costs and any unfavorable outcomes in current or future litigation. We may need to settle litigation and disputes on terms that are unfavorable to us, or we may be subject to an unfavorable judgment that may not be reversible upon appeal. The terms of any settlement or judgment may require us to cease some or all of our operations or pay substantial amounts to the other party. With respect to any intellectual property rights claim, we may have to seek a license to continue practices found to be in violation of third-party rights, which may not be available on reasonable terms and may significantly increase our operating expenses. A license to continue such practices may not be available to us at all, and we may be required to develop alternative non-infringing technology or practices or discontinue the practices. The development of alternative, non-infringing technology or practices could require significant effort and expense.
Our failure to protect our intellectual property rights and proprietary information could diminish our brand and other intangible assets.
We rely and expect to continue to rely on a combination of patents, patent licenses, trade secrets, domain name protections, trademarks, and copyright laws, as well as confidentiality and license agreements with our employees, consultants, and third parties, to protect our intellectual property and proprietary rights. In the United States and abroad, we have over 1,000 issued patents and more than 500 pending patent applications. However, third parties may knowingly or unknowingly infringe our proprietary rights, third parties may challenge our proprietary rights, pending and future patent, trademark, and copyright applications may not be approved, and we may not be able to prevent infringement without incurring substantial expense. We have also devoted substantial resources to the development of our proprietary technologies and related processes. In order to protect our proprietary technologies and processes, we rely in part on trade secret laws and confidentiality agreements with our employees, consultants, and third parties. These agreements may not effectively prevent disclosure of confidential information and may not provide an adequate remedy in the event of unauthorized disclosure of confidential information. In addition, others may independently discover our trade secrets, in which case we would not be able to assert trade secret rights, or develop similar technologies and processes. Further, laws in certain jurisdictions may afford little or no trade secret protection, and any changes in, or unexpected interpretations of, the intellectual property laws in any country in which we operate may compromise our ability to enforce our intellectual property rights. Costly and time-consuming litigation could be necessary to enforce and determine the scope of our proprietary rights. If the protection of our proprietary rights is inadequate to prevent use or appropriation by third parties, the value of our platform, brand, and other intangible assets may be diminished and competitors may be able to more effectively replicate our platform and its features. Any of these events could materially and adversely affect our business, results of operations, and financial condition.
Our use of open source software could negatively affect our ability to offer and sell subscriptions to our platform and subject us to possible litigation.
A portion of the technologies we use incorporates open source software, and we may incorporate open source software in the future. Open source software is generally licensed by its authors or other third parties under open source licenses. These licenses may subject us to certain unfavorable conditions, including requirements that we offer our platform that incorporates the open source software for no cost, that we make publicly available source code for modifications or derivative works we create based upon, incorporating or using the open source software, and/or that we license such modifications or derivative works under the terms of the particular open source license. Additionally, if a third-party software provider has incorporated open source software into software that we license from such provider, we could be required to disclose any of our source code that incorporates or is a modification of our licensed software. If an author or other third party that distributes open source software that we use or license were to allege that we had not complied with the conditions of the applicable license, we could be required to incur significant legal expenses defending against those allegations and could be subject to significant damages, enjoined from offering or selling our solutions that contained the open source software, and required to comply with the foregoing conditions. Any of the foregoing could disrupt and harm our business, results of operations, and financial condition.
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Our ability to sell subscriptions to our platform could be harmed by real or perceived material defects or errors in our platform.
The software technology underlying our platform is inherently complex and may contain material defects or errors, particularly when first introduced or when new features or capabilities are released. We have from time to time found defects or errors in our platform, and new defects or errors in our existing platform or new software may be detected in the future by us or our users. There can be no assurance that our existing platform and new software will not contain defects. Any real or perceived errors, failures, vulnerabilities, or bugs in our platform could result in negative publicity or lead to data security, access, retention, or other performance issues, all of which could harm our business. The costs incurred in correcting such defects or errors may be substantial and could harm our results of operations and financial condition. Moreover, the harm to our reputation and legal liability related to such defects or errors may be substantial and could harm our business, results of operations, and financial condition.
We also utilize hardware purchased or leased and software and services licensed from third parties on our platform. Any defects in, or unavailability of, our or third-party software, services, or hardware that cause interruptions to the availability of our services, loss of data, or performance issues could, among other things:

• | cause a reduction in revenue or delay in market acceptance of our platform;

• | require us to issue refunds to our users or expose us to claims for damages;

• | cause us to lose existing users and make it more difficult to attract new users;

• | divert our development resources or require us to make extensive changes to our platform, which would increase our expenses;

• | increase our technical support costs; and

• | harm our reputation and brand.

We have acquired, and may in the future acquire, other businesses, and we may also receive offers to be acquired, any of which could require significant management attention, disrupt our business, or dilute stockholder value.
As part of our business strategy, we have acquired, and may in the future acquire, other companies, employee teams, or technologies to complement or expand our products, obtain personnel, or otherwise grow our business. For example, in the first fiscal quarter of 2019 we acquired HelloSign, an e-signature and document workflow platform, to expand our content collaboration capabilities to include additional business critical workflows. The pursuit of acquisitions may divert the attention of management and cause us to incur various expenses in identifying, investigating, and pursuing suitable acquisitions, whether or not they are consummated.
We have limited experience making acquisitions. We may not be able to find suitable acquisition candidates and we may not be able to complete acquisitions on favorable terms, if at all. If we do complete acquisitions, we may not ultimately strengthen our competitive position or achieve the anticipated benefits from such acquisitions, due to a number of factors, including:

• | acquisition-related costs, liabilities, or tax impacts, some of which may be unanticipated;

• | difficulty integrating and retaining the personnel, intellectual property, technology infrastructure, and operations of an acquired business;

• | ineffective or inadequate, controls, procedures, or policies at an acquired business;

• | multiple product lines or services offerings, as a result of our acquisitions, that are offered, priced, and supported differently;

• | potential unknown liabilities or risks associated with an acquired business, including those arising from existing contractual obligations or litigation matters;

• | inability to maintain relationships with key customers, suppliers, and partners of an acquired business;

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• | lack of experience in new markets, products or technologies;

• | diversion of management's attention from other business concerns; and

• | use of resources that are needed in other parts of our business.

In addition, a significant portion of the purchase price of companies we acquire may be allocated to acquired goodwill. We review goodwill for impairment at least annually. In the future, if our acquisitions do not yield expected returns, we may be required to record impairment charges based this assessment, which could adversely affect our results of operations.
We may not be able to integrate acquired businesses successfully or effectively manage the combined company following an acquisition. If we fail to successfully integrate acquisitions, or the people or technologies associated with those acquisitions, the results of operations of the combined company could be adversely affected. Any integration process will require significant time, resources, and attention from management, and disrupt the ordinary functioning of our business, and we may not be able to manage the process successfully, which could adversely affect our business, results of operations, and financial condition.
Any acquisition we complete could be viewed negatively by users, developers, partners, or investors, and could have adverse effects on our existing business relationships. In addition, we may not successfully evaluate or utilize acquired technology or accurately forecast the financial impact of an acquisition transaction, including accounting charges.
We may have to pay a substantial portion of our available cash, incur debt, or issue equity securities to pay for any such acquisitions, each of which could affect our financial condition or the value of our capital stock. The sale of equity to finance any such acquisitions could result in dilution to our stockholders. If we incur more debt, it would result in increased fixed obligations and could also subject us to covenants or other restrictions that would impede our ability to flexibly operate our business.
Our business may be significantly impacted by a change in the economy, including any resulting effect on consumer or business spending.
Our business may be affected by changes in the economy generally, including any resulting effect on spending by our business and consumer users. Some of our users may view a subscription to our platform as a discretionary purchase, and our paying users may reduce their discretionary spending on our platform during an economic downturn. If an economic downturn were to occur, we may experience such a reduction in the future, especially in the event of a prolonged recessionary period. For example, the ongoing COVID-19 pandemic and efforts to control such pandemic have resulted in economic uncertainty worldwide and may cause an economic recession in the United States and elsewhere, which could cause current and prospective paying users to delay, decrease, or cancel purchases of our products and services, or delay or default on their payment obligations. As a result, our business, results of operations, and financial condition may be significantly affected by changes in the economy generally.
Our business could be disrupted by catastrophic events.
Occurrence of any catastrophic event, including earthquake, fire, flood, tsunami, or other weather event, power loss, telecommunications failure, software or hardware malfunctions, cyber-attack, war, or terrorist attack, could result in lengthy interruptions in our service. Further, outbreaks of pandemic diseases, such as COVID-19, or the fear of such events, have resulted in responses, including government-imposed travel restrictions, grounding of flights, and shutdown of workplaces. As a result, we are conducting business with substantial modifications, including modifications to employee travel and employee work locations. These modifications may disrupt important business operations, such as our product development and sales and marketing activities, and the productivity of our employees.
Additionally, our U.S. headquarters and some of the datacenters we utilize are located in the San Francisco Bay Area, a region known for seismic activity, and our insurance coverage may not compensate us for losses that may occur in the event of an earthquake or other significant natural disaster. In addition, acts of terrorism could cause disruptions to the internet or the economy as a whole. Even with our disaster recovery arrangements, our service could be interrupted. If our systems were to fail or be negatively impacted as a result of a natural disaster or other event, our ability to deliver products to our users would be impaired or we could lose critical data. If we are unable to develop adequate plans to ensure that our business functions continue to operate during and after a disaster, and successfully execute on those plans in the event of a disaster or emergency, our business, results of operations, financial condition, and reputation would be harmed.
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We may have exposure to greater than anticipated tax liabilities, which could adversely impact our results of operations.
While to date we have not incurred significant income taxes in operating our business, we are subject to income taxes in the United States and various jurisdictions outside of the United States. Our effective tax rate could fluctuate due to changes in the mix of earnings and losses in countries with differing statutory tax rates. Our tax expense could also be impacted by changes in non-deductible expenses, changes in excess tax benefits of stock-based compensation, changes in the valuation of deferred tax assets and liabilities and our ability to utilize them, the applicability of withholding taxes and effects from acquisitions.
Our tax provision could also be impacted by changes in accounting principles, changes in U.S. federal, state, or international tax laws applicable to corporate multinationals such as the recent legislation enacted in the United States, other fundamental law changes currently being considered by many countries, and changes in taxing jurisdictions’ administrative interpretations, decisions, policies, and positions. Additionally, the Organization for Economic Co-Operation and Development has released guidance covering various topics, including digital economy, transfer pricing, country-by-country reporting, and definitional changes to permanent establishment that could ultimately impact our tax liabilities.
We are subject to review and audit by U.S. federal, state, local, and foreign tax authorities. Such tax authorities may disagree with tax positions we take and if any such tax authority were to successfully challenge any such position, our financial results and operations could be materially and adversely affected. We may also be subject to additional tax liabilities due to changes in non-income based taxes resulting from changes in federal, state, or international tax laws, changes in taxing jurisdictions’ administrative interpretations, decisions, policies, and positions, results of tax examinations, settlements or judicial decisions, changes in accounting principles, changes to the business operations, including acquisitions, as well as the evaluation of new information that results in a change to a tax position taken in a prior period.
Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited.
As of December 31, 2019, we had $916.9 million of federal and $390.8 million of state net operating loss carryforwards available to reduce future taxable income. Of our federal net operating loss carryforwards, $288.9 million will begin to expire in 2032 and $628.0 million will carryforward indefinitely, while state net operating losses begin to expire in 2026. As of December 31, 2019, we also had $221.4 million of foreign net operating loss carryforwards available to reduce future taxable income, which will carryforward indefinitely. In addition, we had $22.9 million of foreign acquired net operating losses, which will carryforward indefinitely. We also had $0.7 million of foreign tax credit carryforwards, which will carryforward indefinitely. It is possible that we will not generate taxable income in time to use these net operating loss carryforwards before their expiration or at all. Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended, or the Code, if a corporation undergoes an “ownership change,” the corporation’s ability to use its pre-change net operating loss carryforwards and other pre-change attributes, such as research tax credits, to offset its post-change income may be limited. In general, an “ownership change” will occur if there is a cumulative change in our ownership by “5-percent stockholders” that exceeds 50 percentage points over a rolling three-year period. Similar rules and other limitations may apply under state tax laws. We have determined that we have experienced multiple ownership changes and, as a result, the annual utilization of our net operating loss carryforwards and other pre-change attributes will be subject to limitation. However, we do not expect that the annual limitations will significantly impact our ability to utilize our net operating loss or tax credit carryforwards prior to expiration.
Our operating results may be harmed if we are required to collect sales or other related taxes for our subscription services in jurisdictions where we have not historically done so.
We collect sales and value-added tax as part of our subscription agreements in a number of jurisdictions. One or more states or countries may seek to impose incremental or new sales, use, or other tax collection obligations on us, including for past sales by us or our resellers and other partners. A successful assertion by a state, country, or other jurisdiction that we should have been or should be collecting additional sales, use, or other taxes on our services could, among other things, result in substantial tax liabilities for past sales, create significant administrative burdens for us, discourage users from purchasing our platform, or otherwise harm our business, results of operations, and financial condition.
Our results of operations and financial condition could be materially affected by the enactment of legislation implementing changes in the U.S. or foreign taxation of international business activities or the adoption of other tax reform policies.
On December 22, 2017, the legislation commonly referred to as the 2017 Tax Reform Act was enacted, which contains significant changes to U.S. tax law, including, but not limited to, a reduction in the corporate tax rate and a transition to a new territorial system of taxation. The primary impact of the new legislation on our provision for income taxes was a reduction of
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the future tax benefits of our deferred tax assets as a result of the reduction in the corporate tax rate. However, since we have recorded a full valuation allowance against our deferred tax assets, these changes to U.S. tax law do not have a material impact on our provision for income taxes in our consolidated financial statements.
On March 11, 2020, the World Health Organization declared COVID-19 a global pandemic and recommended containment and mitigation measures worldwide. The 2020 CARES Act was enacted in the United States on March 27, 2020, and contains several income tax provisions, including, but not limited to, changes to the rules governing net operating losses and technical corrections to certain provisions in the 2017 Tax Reform Act. However, since we have recorded a full valuation allowance against our deferred tax assets, these changes to U.S. tax law do not have a material impact on our provision for income taxes in our consolidated financial statements. In addition, although many countries in which we operate have also issued some form of COVID-19 related income tax guidance, such guidance does not have a material impact on our provision for income taxes in our consolidated financial statements as of June 30, 2020.
On June 29, 2020, California Governor Newsom signed Assembly Bill No. 85 as part of the California 2020 Budget Act which temporarily suspends the use of California net operating losses and imposes a cap on the amount of business incentive tax credits companies can utilize against their net income. This guidance does not have a material impact on our provision for income taxes in our consolidated financial statements as of June 30, 2020.
On June 7, 2019, a judicial panel of the Ninth Circuit Court of Appeals issued an opinion in Altera Corp. v. Commissioner that would require related parties in an intercompany cost-sharing arrangement to share expenses related to stock-based compensation. On July 22, 2019, the taxpayer requested an en banc rehearing before the full Ninth Circuit Court of Appeals and the request was denied on November 12, 2019. On February 10, 2020, the taxpayer filed a petition for writ of certiorari to the U.S. Supreme Court, which was denied on June 22, 2020. Accordingly, we have included stock-based compensation in our cost-sharing agreements and as a result, we recognized additional state tax expenses in some jurisdictions which do not have sufficient net operating losses to offset the state income. There was no material impact on our income tax provision for the U.S. and Ireland due to our full valuation allowance.
In March 2018, the European Commission introduced proposals addressing taxation of digital businesses operating within the European Union. Any proposal requires unanimity in the Economic and Financial Affairs Council (the “Council”) for its adoption, following the consultation of the European Parliament. However, by March 2019, the Council could not reach an agreement on a sales tax with a scope limited to digital advertising services. As a result, certain countries, including the United Kingdom and France, have unilaterally moved to introduce their own digital service tax to capture tax revenue on digital services more immediately, which is generally a percentage of gross revenue on taxable activities. The EU Presidency continues to work on the EU position in international discussions on digital tax, in view of the Organization for Economic Co-operation and Development’s report on the issue. As a result of the above measures and the increasing focus by government taxing authorities on multinational companies, the tax laws of certain countries in which we do business could change on a prospective or retroactive basis, and any such changes could increase our liabilities for taxes, interest and penalties, lead to higher effective tax rates, and harm our cash flows, results of operations and financial condition.
If we fail to maintain an effective system of disclosure controls and internal control over financial reporting, our ability to produce timely and accurate financial statements or comply with applicable regulations could be impaired.
We are subject to the reporting requirements of the Securities Exchange Act of 1934, as amended, or the Exchange Act, the Sarbanes-Oxley Act of 2002, or the Sarbanes-Oxley Act, and the rules and regulations of the applicable listing standards of the Nasdaq Global Select Market, or Nasdaq. We expect that the requirements of these rules and regulations will continue to increase our legal, accounting, and financial compliance costs, make some activities more difficult, time-consuming and costly, and place significant strain on our personnel, systems, and resources.
The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal control over financial reporting. We are also required to provide an annual management report on the effectiveness of our disclosure controls and procedures over financial reporting. We are continuing to develop and refine our disclosure controls and other procedures that are designed to ensure that information required to be disclosed by us in the reports that we will file with the SEC is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms and that information required to be disclosed in reports under the Exchange Act is accumulated and communicated to our principal executive and financial officers. We are also continuing to improve our internal control over financial reporting. In order to maintain and improve the effectiveness of our disclosure controls and procedures and internal control over financial reporting, we have expended, and anticipate that we will continue to expend, significant resources, including accounting-related costs and significant management oversight. In addition, our independent registered public accounting firm is required to audit the
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effectiveness of our internal control over financial reporting pursuant to Section 404(b) of the Sarbanes-Oxley Act annually. Testing, or the subsequent testing by our independent registered public accounting firm, may reveal material weaknesses or significant deficiencies. If material weaknesses are identified or we are not able to comply with the requirements of Section 404 in a timely manner, our reported financial results could be materially misstated, we could receive an adverse opinion regarding our internal control over financial reporting from our independent registered public accounting firm, we could be subject to investigations or sanctions by regulatory authorities and we could incur substantial expenses.
Our current controls and any new controls that we develop may become inadequate because of changes in conditions in our business. Additionally, to the extent we acquire other businesses, the acquired company may not have a sufficiently robust system of internal controls and we may uncover new deficiencies. Weaknesses in our disclosure controls and internal control over financial reporting may be discovered in the future. Any failure to develop or maintain effective controls or any difficulties encountered in their implementation or improvement that could harm our results of operations or cause us to fail to meet our reporting obligations and may result in a restatement of our financial statements for prior periods. Any failure to implement and maintain effective internal control over financial reporting also could adversely affect the results of periodic management evaluations and annual independent registered public accounting firm attestation reports regarding the effectiveness of our internal control over financial reporting that are required to be included in our periodic reports that will be filed with the SEC. Ineffective disclosure controls and procedures and internal control over financial reporting could also cause investors to lose confidence in our reported financial and other information, which would likely have a negative effect on the trading price of our Class A common stock. In addition, if we are unable to continue to meet these requirements, we may not be able to remain listed on Nasdaq.
Our reported results of operations may be adversely affected by changes in accounting principles generally accepted in the United States.
Generally accepted accounting principles in the United States are subject to interpretation by the Financial Accounting Standards Board, or FASB, the SEC, and various bodies formed to promulgate and interpret appropriate accounting principles. A change in these principles or interpretations could have a significant effect on our reported results of operations, and may even affect the reporting of transactions completed before the announcement or effectiveness of a change. It is difficult to predict the impact of future changes to accounting principles or our accounting policies, any of which could negatively affect our results of operations.
We have publicly disclosed market opportunity estimates, growth forecasts, and key metrics, including the key metrics included in this Quarterly Report on Form 10-Q which could prove to be inaccurate, and any real or perceived inaccuracies may harm our reputation and negatively affect our business.
Market opportunity estimates and growth forecasts are subject to significant uncertainty and are based on assumptions and estimates that may not prove to be accurate. The estimates and forecasts we disclose relating to the size and expected growth of our target market may prove to be inaccurate. Even if the markets in which we compete meet the size estimates and growth we have forecasted, our business could fail to grow at similar rates, if at all. We also rely on assumptions and estimates to calculate certain of our key metrics, such as paying users, average revenue per paying user, and free cash flow. We regularly review and may adjust our processes for calculating our key metrics to improve their accuracy. Our key metrics may differ from estimates published by third parties or from similarly titled metrics of our competitors due to differences in methodology. We have found that aggregate user activity metrics are not leading indicators of revenue or conversion. For that reason, we do not comprehensively track user activity across the Dropbox platform for financial planning and forecasting purposes. If investors or analysts do not perceive our metrics to be accurate representations of our business, or if we discover material inaccuracies in our metrics, our reputation, business, results of operations, and financial condition would be harmed.
Our revolving credit facility provides our lenders with a first-priority lien against substantially all of our intellectual property and certain other assets, and contains financial covenants and other restrictions on our actions that may limit our operational flexibility or otherwise adversely affect our results of operations.
We are party to a revolving credit and guarantee agreement, as amended, which contains a number of covenants that limit our ability and our subsidiaries’ ability to, among other things, incur additional indebtedness, pay dividends, make redemptions and repurchases of stock, make investments, loans and acquisitions, create liens, engage in transactions with affiliates, merge or consolidate with other companies, or sell substantially all of our assets. We are also required to maintain certain financial covenants, including a maximum consolidated leverage ratio and a minimum liquidity balance. The terms of our revolving credit facility may restrict our current and future operations and could adversely affect our ability to finance our future operations or capital needs or to execute preferred business strategies. In addition, complying with these covenants may make it
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more difficult for us to successfully execute our business strategy and compete against companies who are not subject to such restrictions.
A failure by us to comply with the covenants or payment requirements specified in our credit agreement, as amended, could result in an event of default under the agreement, which would give the lenders the right to terminate their commitments to provide additional loans under our revolving credit facility and to declare all borrowings outstanding, together with accrued and unpaid interest and fees, to be immediately due and payable. In addition, the lenders would have the right to proceed against the collateral we granted to them, which consists of substantially all our intellectual property and certain other assets. If the debt under our revolving credit facility were to be accelerated, we may not have sufficient cash or be able to borrow sufficient funds to refinance the debt or sell sufficient assets to repay the debt, which could immediately materially and adversely affect our business, cash flows, results of operations, and financial condition. Even if we were able to obtain new financing, it may not be on commercially reasonable terms or on terms that are acceptable to us.
Our operations may be interrupted and our business, results of operations, and financial condition could be adversely affected if we default on our leasing or credit obligations.
We finance a significant portion of our expenditures through leasing arrangements and we may enter into additional similar arrangements in the future. As of December 31, 2019, we had an aggregate of $1,457.9 million of commitments to settle contractual obligations. In particular, we utilize both finance and operating leases to finance some of our equipment, datacenters and offices. In addition, we may draw upon our revolving credit facility to finance our operations or for other corporate purposes. If we default on these leasing or credit obligations, our leasing partners and lenders may, among other things:

• | require repayment of any outstanding lease obligations;

• | terminate our leasing arrangements;

• | terminate our access to the leased datacenters we utilize;

• | stop delivery of ordered equipment;

• | sell or require us to return our leased equipment;

• | require repayment of any outstanding amounts drawn on our revolving credit facility;

• | terminate our revolving credit facility; or

• | require us to pay significant fees, penalties, or damages.

If some or all of these events were to occur, our operations may be interrupted and our ability to fund our operations or obligations, as well as our business, results of operations, and financial condition, could be adversely affected.
We may need additional capital, and we cannot be certain that additional financing will be available on favorable terms, or at all.
Historically, we have funded our operations and capital expenditures primarily through equity issuances, cash generated from our operations, and debt financing for capital purchases. Although we currently anticipate that our existing cash, cash equivalents and short-term investments, amounts available under our existing credit facilities, and cash flow from operations will be sufficient to meet our cash needs for the foreseeable future, we may require additional financing. We evaluate financing opportunities from time to time, and our ability to obtain financing will depend, among other things, on our development efforts, business plans, operating performance, and condition of the capital markets at the time we seek financing. We cannot assure you that additional financing will be available to us on favorable terms when required, or at all. If we raise additional funds through the issuance of equity or equity-linked or debt securities, those securities may have rights, preferences or privileges senior to the rights of our Class A common stock, and our stockholders may experience dilution.
Risks Related to Ownership of Our Class A Common Stock
The trading price of our Class A common stock may be volatile, and you could lose all or part of your investment.
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The trading price of our Class A common stock may be volatile and could be subject to fluctuations in response to various factors, some of which are beyond our control. Factors that could cause fluctuations in the trading price of our Class A common stock include the following:

• | price and volume fluctuations in the overall stock market from time to time;

• | volatility in the trading prices and trading volumes of technology stocks;

• | changes in operating performance and stock market valuations of other technology companies generally, or those in our industry in particular;

• | sales of shares of our Class A common stock by us or our stockholders;

• | failure of securities analysts to maintain coverage of us, changes in financial estimates by securities analysts who follow our company, or our failure to meet these estimates or the expectations of investors;

• | the financial projections we may provide to the public, any changes in those projections, or our failure to meet those projections;

• | announcements by us or our competitors of new products, features, or services;

• | the public’s reaction to our press releases, other public announcements, and filings with the SEC;

• | rumors and market speculation involving us or other companies in our industry;

• | actual or anticipated changes in our results of operations or fluctuations in our results of operations;

• | actual or anticipated developments in our business, our competitors’ businesses or the competitive landscape generally;

• | litigation involving us, our industry, or both, or investigations by regulators into our operations or those of our competitors;

• | developments or disputes concerning our intellectual property or other proprietary rights;

• | announced or completed acquisitions of businesses, products, services, or technologies by us or our competitors;

• | new laws or regulations or new interpretations of existing laws or regulations applicable to our business;

• | changes in accounting standards, policies, guidelines, interpretations, or principles;

• | any significant change in our management;

• | general economic conditions and slow or negative growth of our markets; and

• | catastrophic events, including earthquakes, fires, floods, tsunamis, or other weather events, power loss, telecommunications failures, software or hardware malfunctions, cyber-attack, war, or terrorist attacks, and pandemics such the ongoing COVID-19 pandemic.

In addition, in the past, following periods of volatility in the overall market and the market price of a particular company’s securities, securities class action litigation has often been instituted against these companies. For example, we are currently subject to a number of putative class action lawsuits in state and federal court alleging federal securities law violations in connection with our IPO. This current litigation, and any securities litigation that may be instituted against us in the future, could result in substantial costs and a diversion of our management’s attention and resources.
The multi-class structure of our common stock has the effect of concentrating voting control with those stockholders who held our capital stock prior to the completion of our IPO, and it may depress the trading price of our Class A common stock.
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Our Class A common stock has one vote per share, our Class B common stock has ten votes per share, and our Class C common stock has no voting rights, except as otherwise required by law. As of June 30, 2020, our directors, executive officers and holders of more than 5% of our common stock, and their respective affiliates, held in the aggregate 77.4% of the voting power of our capital stock, with Mr. Houston holding approximately 63.8% of the voting power of our capital stock. We are including Mr. Houston's Co-Founder Grant in this calculation since the shares underlying such grant are legally issued and outstanding shares of our Class A common stock and Mr. Houston is able to vote these shares prior to their vesting. Because of the ten-to-one voting ratio between our Class B and Class A common stock, the holders of our Class B common stock collectively will continue to control a majority of the combined voting power of our common stock and therefore be able to control all matters submitted to our stockholders for approval so long as the shares of Class B common stock represent at least 9.1% of all outstanding shares of our Class A and Class B common stock. This concentrated control will limit or preclude other stockholders' ability to influence corporate matters for the foreseeable future, including the election of directors, amendments of our organizational documents and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction requiring stockholder approval. In addition, this may prevent or discourage unsolicited acquisition proposals or offers for our capital stock that other stockholders may feel are in their best interests as one of our stockholders.
Future transfers or sales by holders of Class B common stock will generally result in those shares converting to Class A common stock, except for certain transfers described in our amended and restated certificate of incorporation, including transfers effected for estate planning purposes where sole dispositive power and exclusive voting control with respect to the shares of Class B common stock is retained by the transferring holder and transfers between our co-founders. In addition, each outstanding share of Class B common stock held by a stockholder who is a natural person, or held by the permitted entities or permitted transferees of such stockholder (as described in our amended and restated certificate of incorporation), will convert automatically into one share of Class A common stock upon the death of such natural person. In the event of the death or permanent and total disability of a co-founder, shares of Class B common stock held by such co-founder, his permitted entities or permitted transferees will convert to Class A common stock, provided that the conversion will be deferred for nine months, or up to 18 months if approved by a majority of our independent directors, following his death or permanent and total disability. Transfers between our co-founders are permitted transfers and will not result in conversion of the shares of Class B common stock that are transferred; however, upon the death or total and permanent disability of the transferring co-founder, the transferred shares would convert to Class A common stock following the deferral period of nine months, or up to 18 months if approved by a majority of our independent directors. The conversion of Class B common stock to Class A common stock will have the effect, over time, of increasing the relative voting power of those individual holders of Class B common stock who retain their shares in the long term.
In addition, because our Class C common stock carries no voting rights (except as otherwise required by law), if we issue Class C common stock in the future, the holders of Class B common stock may be able to elect all of our directors and to determine the outcome of most matters submitted to a vote of our stockholders for a longer period of time than would be the case if we issued Class A common stock rather than Class C common stock in such transactions.
Additionally, in July 2017, FTSE Russell and Standard & Poor’s announced that they would cease to allow most newly public companies utilizing dual or multi-class capital structures to be included in their indices. Affected indices include the Russell 2000 and the S&P 500, S&P MidCap 400, and S&P SmallCap 600, which together make up the S&P Composite 1500. Although we have since met the requirements to be included, and are now included, in an FTSE Russell index, our multi-class capital structure still makes us ineligible for inclusion in any of the above listed S&P indices, and as a result, mutual funds, exchange-traded funds, and other investment vehicles that attempt to passively track these S&P indices will not be investing in our stock. It is as of yet unclear what effect, if any, these policies will have on the valuations of publicly traded companies excluded from one or more of these indices, but it is possible that they may depress these valuations compared to those of other similar companies that are included.
Substantial future sales could depress the market price of our Class A common stock.
The market price of our Class A common stock could decline as a result of a large number of sales of shares of such stock, and the perception that these sales could occur may also depress the market price of our Class A common stock.
In addition, we have filed registration statements to register shares reserved for future issuance under our equity compensation plans. As a result, subject to the satisfaction of applicable exercise periods, the shares issued upon exercise of outstanding stock options or upon settlement of outstanding RSU awards are available for immediate resale in the United States in the open market.
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Sales of our shares may make it more difficult for us to sell equity securities in the future at a time and at a price that we deem appropriate. These sales also could cause the trading price of our Class A common stock to fall and make it more difficult for you to sell shares of our Class A common stock.
Delaware law and provisions in our restated certificate of incorporation and restated bylaws could make a merger, tender offer, or proxy contest difficult, thereby depressing the market price of our Class A common stock.
Our status as a Delaware corporation and the anti-takeover provisions of the Delaware General Corporation Law may discourage, delay, or prevent a change in control by prohibiting us from engaging in a business combination with an interested stockholder for a period of three years after the person becomes an interested stockholder, even if a change of control would be beneficial to our existing stockholders. In addition, our restated certificate of incorporation and restated bylaws contain provisions that may make the acquisition of our company more difficult, including the following:

• | any transaction that would result in a change in control of our company requires the approval of a majority of our outstanding Class B common stock voting as a separate class;

• | our multi-class common stock structure, which provides our holders of Class B common stock with the ability to significantly influence the outcome of matters requiring stockholder approval, even if they own significantly less than a majority of the shares of our outstanding Class A common stock, Class B common stock, and Class C common stock;

• | when the outstanding shares of Class B common stock represent less than a majority of the total combined voting power of our Class A and Class B common stock, or the Voting Threshold Date, our Board of Directors will be classified into three classes of directors with staggered three-year terms, and directors will only be able to be removed from office for cause;

• | until the Class B common stock, as a class, converts to Class A common stock, any amendments to our restated certificate of incorporation will require the approval of two-thirds of the combined vote of our then-outstanding shares of Class A common stock and Class B common stock; and following the conversion of our Class B common stock, as a class, to Class A common stock, certain amendments to our amended and restated certificate of incorporation will require the approval of two-thirds of our then outstanding voting power;

• | our amended and restated bylaws will provide that approval of stockholders holding two-thirds of our outstanding voting power voting as a single class is required for stockholders to amend or adopt any provision of our bylaws;

• | after the Voting Threshold Date our stockholders will only be able to take action at a meeting of stockholders, and will not be able to take action by written consent for any matter;

• | until the Voting Threshold Date, our stockholders will be able to act by written consent only if the action is first recommended or approved by the Board of Directors;

• | vacancies on our Board of Directors will be able to be filled only by our Board of Directors and not by stockholders;

• | only the chairman of our Board of Directors, our chief executive officer, a majority of our Board of Directors or until the Class B common stock, as a class, converts to Class A common stock, a stockholder holding thirty percent of the combined voting power of our Class A and Class B common stock are authorized to call a special meeting of stockholders;

• | certain litigation against us may be required to be brought in Delaware;

• | our restated certificate of incorporation authorizes undesignated preferred stock, the terms of which may be established and shares of which may be issued, without the approval of the holders of Class A common stock; and

• | advance notice procedures apply for stockholders to nominate candidates for election as directors or to bring matters before an annual meeting of stockholders.

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These anti-takeover defenses could discourage, delay, or prevent a transaction involving a change in control of our company. These provisions could also discourage proxy contests and make it more difficult for stockholders to elect directors of their choosing and to cause us to take other corporate actions they desire, any of which, under certain circumstances, could limit the opportunity for our stockholders to receive a premium for their shares of our capital stock, and could also affect the price that some investors are willing to pay for our Class A common stock.
Our amended and restated bylaws designate a state or federal court located within the State of Delaware as the exclusive forum for substantially all disputes between us and our stockholders, and also provide that the federal district courts will be the exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act, each of which could limit our stockholders’ ability to choose the judicial forum for disputes with us or our directors, officers, or employees.
Our amended and restated bylaws provide that, unless we consent in writing to the selection of an alternative forum, the sole and exclusive forum for (1) any derivative action or proceeding brought on our behalf, (2) any action asserting a claim of breach of a fiduciary duty owed by any of our directors, officers, or other employees to us or our stockholders, (3) any action arising pursuant to any provision of the Delaware General Corporation Law, or the certificate of incorporation or the amended and restated bylaws or (4) any other action asserting a claim that is governed by the internal affairs doctrine shall be the Court of Chancery of the State of Delaware (or, if the Court of Chancery does not have jurisdiction, the federal district court for the District of Delaware), in all cases subject to the court having jurisdiction over indispensable parties named as defendants.
Our amended and restated bylaws also provide that the federal district courts of the United States of America will be the exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act, or a Federal Forum Provision.
Any person or entity purchasing or otherwise acquiring any interest in any of our securities shall be deemed to have notice of and consented to this provision. These exclusive-forum provisions may limit a stockholder’s ability to bring a claim in a judicial forum of its choosing for disputes with us or our directors, officers, or other employees, which may discourage lawsuits against us and our directors, officers, and other employees.
If we face relevant litigation and are unable to enforce these provisions, we may incur additional costs associated with resolving the dispute in other jurisdictions, which could harm our results of operations.
We cannot guarantee that our stock repurchase program will be fully implemented or that it will enhance long-term stockholder value.
In February 2020, our Board of Directors approved a stock repurchase program for the repurchase of up to $600 million of the outstanding shares of our Class A common stock. The repurchase program does not have an expiration date and we are not obligated to repurchase a specified number or dollar value of shares. Share repurchases will be subject to a review of the circumstances in place at that time and will be made from time to time in private transactions or open market purchases, as permitted by securities laws and other legal requirements. The stock repurchase program could affect the price of our Class A common stock, increase volatility and diminish our cash reserves. Our repurchase program may be suspended or terminated at any time and, even if fully implemented, may not enhance long-term stockholder value.
Our Class A common stock market price and trading volume could decline if securities or industry analysts do not publish research or publish inaccurate or unfavorable research about our business.
The trading market for our Class A common stock will depend in part on the research and reports that securities or industry analysts publish about us or our business. The analysts’ estimates are based upon their own opinions and are often different from our estimates or expectations. If one or more of the analysts who cover us downgrade our Class A common stock or publish inaccurate or unfavorable research about our business, the price of our securities would likely decline. If few securities analysts commence coverage of us, or if one or more of these analysts cease coverage of us or fail to publish reports on us regularly, demand for our securities could decrease, which might cause the price and trading volume of our Class A common stock to decline.
We do not intend to pay dividends for the foreseeable future.
We have never declared nor paid cash dividends on our capital stock. We currently intend to retain any future earnings to finance the operation and expansion of our business, and we do not expect to declare or pay any dividends in the foreseeable future. As a result, stockholders must rely on sales of their Class A common stock after price appreciation as the only way to
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realize any future gains on their investment. In addition, our revolving credit facility contains restrictions on our ability to pay dividends.
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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
Issuer Purchases of Equity Securities
The following table presents information with respect to Dropbox's repurchases of Class A common stock during the quarter ended June 30, 2020.

Period |  | Total Number of Shares Purchased (in millions)(1) |  | Average Price Paid per Share(2) |  | Total Number of Shares Purchased as Part of Publicly Announced Programs (in millions)(1) |  | Approximate Dollar Value of Shares that May Yet Be Purchased Under Publicly Announced Programs (in millions)(1)
April 1 - 30 |  | 1.95 |  |  | $ | 19.05 |  |  | 1.95 |  |  | $ | 498.89 |
May 1 - 31 |  | 1.21 (3) |  |  | $ | 21.50 |  |  | 1.20 |  |  | $ | 473.08 |
June 1 - 30 |  | 0.58 |  |  | $ | 22.37 |  |  | 0.58 |  |  | $ | 460.19 |
Total |  | 3.74 |  |  | $ | 20.35 |  |  | 3.73 |  |  |

(1) On February 20, 2020, we announced that our Board of Directors approved a stock repurchase program for the repurchase of up to $600 million of the Company's outstanding shares of Class A common stock. Under this program, shares may be repurchased, subject to general business and market conditions and other investment opportunities, through open market purchases or privately held negotiated transactions, including through Rule 10b5-1 plans, in each case as permitted by securities laws and other legal requirements. The repurchase program does not have an expiration date. See Note 12 "Stockholders' Equity" of this Quarterly Report on Form 10-Q for additional information related to share repurchases.
(2) Average price paid per share includes costs associated with the repurchases.
(3) Includes 13,516 shares of restricted common stock delivered by certain employees upon vesting of restricted stock awards to satisfy tax withholding requirements.
ITEM 6. EXHIBITS
We have filed the exhibits listed on the accompanying Exhibit Index, which is incorporated herein by reference.
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EXHIBIT INDEX

Exhibit Number |  | Description |  | Form |  | File Number |  | Incorporated by Reference from Exhibit Number |  | Filed with SEC
4.1 |  | Description of Capital Stock |  |  |  |  |  |  |  |
10.1 + |  | Offer Letter between the Registrant and Timothy Regan |  |  |  |  |  |  |  |
31.1 |  | Certification of Principal Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |  |  |  |  |  |  |  |
31.2 |  | Certification of Principal Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |  |  |  |  |  |  |  |
32.1† |  | Certifications of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |  |  |  |  |  |  |  |
101.INS |  | XBRL Instance Document. |  |  |  |  |  |  |  |
101.SCH |  | XBRL Taxonomy Extension Schema Document. |  |  |  |  |  |  |  |
101.CAL |  | XBRL Taxonomy Extension Calculation Linkbase Document. |  |  |  |  |  |  |  |
101.DEF |  | XBRL Taxonomy Extension Definition Linkbase Document. |  |  |  |  |  |  |  |
101.LAB |  | XBRL Taxonomy Extension Label Linkbase Document. |  |  |  |  |  |  |  |
101.PRE |  | XBRL Taxonomy Extension Presentation Linkbase Document. |  |  |  |  |  |  |  |
104 |  | Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) |  |  |  |  |  |  |  |

+ Indicates management contract or compensatory plan
† The certifications attached as Exhibit 32.1 that accompany this Quarterly Report on Form 10-Q are deemed furnished and not filed with the Securities and Exchange Commission and are not to be incorporated by reference into any filing of Dropbox, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Quarterly Report on Form 10-Q, irrespective of any general incorporation language contained in such filing.
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

|  | DROPBOX, INC.
Date: | August 7, 2020 | By: |  | /s/ Andrew W. Houston
|  |  |  | Andrew W. Houston
|  |  |  | Chief Executive Officer
|  |  |  | (Principal Executive Officer)

Date: | August 7, 2020 | By: |  | /s/ Ajay V. Vashee
|  |  |  | Ajay V. Vashee
|  |  |  | Chief Financial Officer
|  |  |  | (Principal Financial Officer)

Date: | August 7, 2020 | By: |  | /s/ Timothy J. Regan
|  |  |  | Timothy J. Regan
|  |  |  | Chief Accounting Officer
|  |  |  | (Principal Accounting Officer)

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