Cloudflare Announces First Quarter 2023 Financial Results

• First quarter revenue totaled $290.2 million, representing an increase of 37% year-over-year
• Delivered GAAP loss from operations of $47.3 million, or 16% of total revenue, and non-GAAP income from operations of $19.4 million, or 7% of total revenue
• Achieved operating cash flow of $36.4 million, or 13% of total revenue, and free cash flow of $13.9 million, or 5% of total revenue

SAN FRANCISCO--(BUSINESS WIRE)-- Cloudflare, Inc. (NYSE: NET), the security, performance, and reliability company helping to build a better Internet, today announced financial results for its first quarter ended March 31, 2023.

“In the first quarter, we grew revenue 37% year-over-year to $290.2 million, delivered the third consecutive quarter of record operating profit and margin, and significantly outperformed on free cash flow,” said Matthew Prince, co-founder & CEO of Cloudflare. “Our world-class innovation engine remains laser focused on continuing to build mission-critical products that customers need, and we are committed to making the necessary operational changes to become world-class in sales productivity—both of which create durable competitive advantages.”

First Quarter Fiscal 2023 Financial Highlights

• Revenue: Total revenue of $290.2 million, representing an increase of 37% year-over-year.
• Gross Profit: GAAP gross profit was $219.7 million, or 75.7% gross margin, compared to $165.1 million, or 77.8%, in the first quarter of 2022. Non-GAAP gross profit was $225.9 million, or 77.8% gross margin, compared to $166.9 million, or 78.7%, in the first quarter of 2022.
• Operating Income (Loss): GAAP loss from operations was $47.3 million, or 16.3% of total revenue, compared to $40.0 million, or 18.9% of total revenue, in the first quarter of 2022. Non-GAAP income from operations was $19.4 million, or 6.7% of total revenue, compared to $4.9 million, or 2.3% of total revenue, in the first quarter of 2022.
• Net Income (Loss): GAAP net loss was $38.1 million, compared to $41.4 million in the first quarter of 2022. GAAP net loss per basic and diluted share was $0.12, compared to $0.13 in the first quarter of 2022. Non-GAAP net income was $27.2 million, compared to $3.5 million in the first quarter of 2022. Non-GAAP net income per diluted share was $0.08, compared to $0.01 in the first quarter of 2022.
• Cash Flow: Net cash flow from operating activities was $36.4 million, compared to negative $35.5 million for the first quarter of 2022. Free cash flow was $13.9 million, or 5% of total revenue, compared to negative $64.4 million, or 30% of total revenue, in the first quarter of 2022.
• Cash, cash equivalents, and available-for-sale securities were $1,715.6 million as of March 31, 2023.

The section titled "Non-GAAP Financial Information" below describes our usage of non-GAAP financial measures. Reconciliations between historical GAAP and non-GAAP information are contained at the end of this press release following the accompanying financial data.

Financial Outlook

“Increasing macroeconomic uncertainty over the course of the first quarter resulted in a material lengthening of sales cycles and a significant backend-weighting of linearity,” said Thomas Seifert, CFO of Cloudflare. “Despite the continued reacceleration of our new pipeline generation and our sustained high win rates and renewal rates during the first quarter, our guidance assumes these external headwinds will persist through the end of the fiscal year.”

For the second quarter of fiscal 2023, we expect:

• Total revenue of $305.0 to $306.0 million
• Non-GAAP income from operations of $14.0 to $15.0 million
• Non-GAAP net income per share of $0.07 to $0.08, utilizing weighted average common shares outstanding of approximately 345 million

For the full year fiscal 2023, we expect:

• Total revenue of $1,280.0 to $1,284.0 million
• Non-GAAP income from operations of $73.0 to $77.0 million
• Non-GAAP net income per share of $0.34 to $0.35, utilizing weighted average common shares outstanding of approximately 345 million

These statements are forward-looking and actual results may differ materially. Refer to the Forward-Looking Statements safe harbor below for information on the factors that could cause our actual results to differ materially from these forward-looking statements.

Conference Call Information

Cloudflare will host an investor conference call to discuss its first quarter ended March 31, 2023 earnings results today at 2:00 p.m. Pacific time (5:00 p.m. Eastern time). Interested parties can access the call by dialing (877) 400-4517 from the United States or (332) 251-2620 internationally with conference ID 3723782. A live webcast of the conference call will be accessible from the investor relations website at https://cloudflare.NET. A replay will be available approximately two hours after the conclusion of the live event and will remain available for approximately one year.

Supplemental Financial and Other Information

Supplemental financial and other information can be accessed through the Company’s investor relations website at https://cloudflare.NET.

Non-GAAP Financial Information

Cloudflare believes that the presentation of non-GAAP financial information provides important supplemental information to management and investors regarding financial and business trends relating to the Company’s financial condition and results of operations. Reconciliations of non-GAAP financial measures to the most directly comparable financial results as determined in accordance with GAAP are included at the end of this press release following the accompanying financial data. A reconciliation of non-GAAP guidance measures to corresponding GAAP measures is not available on a forward-looking basis without unreasonable effort due to the uncertainty of expenses that may be incurred in the future. For further information regarding why Cloudflare believes that these non-GAAP measures provide useful information to investors, the specific manner in which management uses these measures, and some of the limitations associated with the use of these measures, please refer to the “Explanation of Non-GAAP Financial Measures” section at the end of this press release.

Available Information

Cloudflare intends to use its press releases, website, investor relations website, news site, blog, Twitter account, Facebook account, and Instagram account, in addition to filings made with the Securities and Exchange Commission (SEC) and public conference calls, as a means of disclosing material non-public information and for complying with its disclosure obligations under Regulation FD.

Forward-Looking Statements

This press release 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 risks and uncertainties. In some cases, you can identify forward-looking statements because they contain words such as “may,” “will,” “should,” “expect,” “explore,” “plan,” “anticipate,” “could,” “intend,” “target,” “project,” “contemplate,” “believe,” “estimate,” “predict,” “potential,” or “continue,” or the negative of these words, or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. However, not all forward-looking statements contain these identifying words. Forward-looking statements expressed or implied in this press release include, but are not limited to, statements regarding our future financial and operating performance, our reputation and performance in the market, general market trends, our estimated and projected revenue, non-GAAP net income (loss) from operations and non-GAAP net income (loss) per share, shares outstanding, the benefits to customers from using our products, the expected functionality and performance of our products, the demand by customers for our products, our plans and objectives for future operations, growth, initiatives, or strategies, our market opportunity, and comments made by our CEO and others. There are a significant number of factors that could cause actual results to differ materially from statements made in this press release, including: adverse macroeconomic conditions, such as inflation, changes in interest rates, actual or potential bank failures and recessionary concerns, on our and our customers’, vendors’, and partners’ operations and future financial performance; the impact of the Russia-Ukraine conflict and other areas of geopolitical tension around the world; our history of net losses; our limited operating history; risks associated with managing our rapid growth; our ability to attract and retain new customers (including new large customers); our ability to retain and upgrade paying customers and convert free customers to paying customers; our ability to expand the number of products we sell to paying customers; our ability to effectively increase sales to large customers; our ability to increase brand awareness; our ability to continue to innovate and develop new products and product features; our ability to generate demand for our products; our ability to effectively attract, train, and retain our sales force to be able to sell our existing and new products and product features; our sales team’s productivity; problems with our internal systems, network, or data, including actual or perceived breaches or failures; rapidly evolving technological developments in the market; length of our sales cycles and the timing of payments by our customers; activities of our paying and free customers or the content of their websites and other Internet properties that use our network and products; foreign currency fluctuations; changes in the legal, tax, and regulatory environment applicable to our business; and other general market, political, economic, and business conditions. Our actual results could differ materially from those stated or implied in forward-looking statements due to a number of factors, including but not limited to, risks detailed in our filings with the SEC, including our Annual Report on Form 10-K filed on February 24, 2023, as well as other filings that we may make from time to time with the SEC.

The forward-looking statements made in this press release 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 press release to reflect events or circumstances after the date of this press release 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.

About Cloudflare

Cloudflare, Inc. (www.cloudflare.com / @cloudflare) is on a mission to help build a better Internet. Cloudflare’s suite of products protect and accelerate any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was awarded by Reuters Events for Global Responsible Business in 2020, named to Fast Company's Most Innovative Companies in 2021, and ranked among Newsweek's Top 100 Most Loved Workplaces in 2022.

CLOUDFLARE, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share data)
(unaudited)
		Three Months Ended March 31,
		2023				2022
Revenue		$	290,175			$	212,167
Cost of revenue(1)(2)			70,432				47,051
Gross profit			219,743				165,116
Operating expenses:
Sales and marketing(1)(2)(3)			137,001				100,057
Research and development(1)(3)			81,539				67,054
General and administrative(1)			48,475				38,029
Total operating expenses			267,015				205,140
Loss from operations			(47,272	)			(40,024	)
Non-operating income (expense):
Interest income			13,487				1,061
Interest expense(4)			(2,126	)			(1,557	)
Other income (expense), net			(857	)			(487	)
Total non-operating income (expense), net			10,504				(983	)
Loss before income taxes			(36,768	)			(41,007	)
Provision for income taxes			1,314				374
Net loss		$	(38,082	)		$	(41,381	)
Net loss per share attributable to common stockholders, basic and diluted		$	(0.12	)		$	(0.13	)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted			330,389				323,334

____________

(1) Includes stock-based compensation and related employer payroll taxes as follows:
Cost of revenue		$	1,803		$	1,323
Sales and marketing			15,868			10,379
Research and development			30,216			24,079
General and administrative			13,863			6,018
Total stock-based compensation and related employer payroll taxes		$	61,750		$	41,799

(2) Includes amortization of acquired intangible assets as follows:
Cost of revenue		$	4,311		$	507
Sales and marketing			576			—
Total amortization of acquired intangible assets		$	4,887		$	507

(3) Includes acquisition-related and other expenses as follows:
Research and development		$	—		$	2,639
Total acquisition-related and other expenses		$	—		$	2,639

(4) Includes amortization of debt issuance costs as follows:
Amortization of debt issuance costs		$	1,163		$	1,170
Total amortization of debt issuance costs		$	1,163		$	1,170

CLOUDFLARE, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(in thousands, except par value)
(unaudited)
		March 31, 2023				December 31, 2022
Assets
Current assets:
Cash and cash equivalents		$	256,363			$	204,178
Available-for-sale securities			1,459,229				1,445,759
Accounts receivable, net			179,749				148,544
Contract assets			8,023				8,292
Restricted cash short-term			10,505				10,555
Prepaid expenses and other current assets			40,531				70,556
Total current assets			1,954,400				1,887,884
Property and equipment, net			298,188				286,600
Goodwill			148,047				148,047
Acquired intangible assets, net			27,596				32,483
Operating lease right-of-use assets			130,908				132,360
Deferred contract acquisition costs, noncurrent			98,427				93,145
Restricted cash			1,564				471
Other noncurrent assets			8,434				6,918
Total assets		$	2,667,564			$	2,587,908
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable		$	54,563			$	35,607
Accrued expenses and other current liabilities			69,374				66,425
Accrued compensation			45,669				42,014
Operating lease liabilities			34,796				33,275
Liability for early exercise of unvested stock options			1,308				1,902
Deferred revenue			238,795				218,647
Total current liabilities			444,505				397,870
Convertible senior notes, net			1,437,355				1,436,192
Operating lease liabilities, noncurrent			108,804				107,624
Deferred revenue, noncurrent			13,465				11,732
Other noncurrent liabilities			10,849				10,526
Total liabilities			2,014,978				1,963,944
Stockholders’ Equity
Class A common stock; $0.001 par value; 2,250,000 shares authorized as of March 31, 2023 and December 31, 2022; 289,372 and 286,561 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively			289				286
Class B common stock; $0.001 par value; 315,000 shares authorized as of March 31, 2023 and December 31, 2022; 42,395 and 43,525 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively			41				42
Additional paid-in capital			1,536,367				1,475,423
Accumulated deficit			(877,973	)			(839,891	)
Accumulated other comprehensive loss			(6,138	)			(11,896	)
Total stockholders’ equity			652,586				623,964
Total liabilities and stockholders’ equity		$	2,667,564			$	2,587,908

CLOUDFLARE, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(unaudited)
		Three Months Ended March 31,
		2023				2022
Cash Flows From Operating Activities
Net loss		$	(38,082	)		$	(41,381	)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization expense			31,509				20,014
Non-cash operating lease costs			11,061				8,610
Amortization of deferred contract acquisition costs			14,109				9,662
Stock-based compensation expense			57,401				33,965
Amortization of debt issuance costs			1,163				1,170
Net accretion of discounts and amortization of premiums on available-for-sale securities			(8,228	)			2,195
Deferred income taxes			(120	)			6
Provision for bad debt			1,576				968
Other			(14	)			113
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable, net			(32,781	)			(30,775	)
Contract assets			269				(250	)
Deferred contract acquisition costs			(19,391	)			(15,608	)
Prepaid expenses and other current assets			(8,934	)			(6,775	)
Other noncurrent assets			(811	)			(85	)
Accounts payable			11,634				1,862
Accrued expenses and other current liabilities			650				(25,427	)
Operating lease liabilities			(6,908	)			(9,455	)
Deferred revenue			21,881				16,001
Other noncurrent liabilities			430				(277	)
Net cash provided by (used in) operating activities			36,414				(35,467	)
Cash Flows From Investing Activities
Purchases of property and equipment			(17,541	)			(24,481	)
Capitalized internal-use software			(4,970	)			(4,453	)
Cash paid for acquisitions, net of cash acquired			—				(4,380	)
Purchases of available-for-sale securities			(476,206	)			(264,541	)
Sales of available-for-sale securities			20,248				—
Maturities of available-for-sale securities			493,988				187,048
Other investing activities			48				2
Net cash provided by (used in) investing activities			15,567				(110,805	)
Cash Flows From Financing Activities
Repayments of convertible senior notes			—				(16,571	)
Proceeds from the exercise of stock options			3,305				3,006
Proceeds from the early exercise of stock options			—				62
Repurchases of unvested common stock			—				(3	)
Payment of tax withholding obligation on RSU settlement			(2,058	)			(748	)
Net cash provided by (used in) financing activities			1,247				(14,254	)
Net increase (decrease) in cash, cash equivalents, and restricted cash			53,228				(160,526	)
Cash, cash equivalents, and restricted cash, beginning of period			215,204				320,958
Cash, cash equivalents, and restricted cash, end of period		$	268,432			$	160,432

CLOUDFLARE, INC.
RECONCILIATION OF GAAP TO NON-GAAP FINANCIAL MEASURES
(in thousands, except per share amounts)
(unaudited)
		Three Months Ended March 31,
		2023				2022
Reconciliation of cost of revenue:
GAAP cost of revenue		$	70,432			$	47,051
Less: Stock-based compensation and related employer payroll taxes			(1,803	)			(1,323	)
Less: Amortization of acquired intangible assets			(4,311	)			(507	)
Non-GAAP cost of revenue		$	64,318			$	45,221
Reconciliation of gross profit:
GAAP gross profit		$	219,743			$	165,116
Add: Stock-based compensation and related employer payroll taxes			1,803				1,323
Add: Amortization of acquired intangible assets			4,311				507
Non-GAAP gross profit		$	225,857			$	166,946
GAAP gross margin			75.7	%			77.8	%
Non-GAAP gross margin			77.8	%			78.7	%
Reconciliation of operating expenses:
GAAP sales and marketing		$	137,001			$	100,057
Less: Stock-based compensation and related employer payroll taxes			(15,868	)			(10,379	)
Less: Amortization of acquired intangible assets			(576	)			—
Non-GAAP sales and marketing		$	120,557			$	89,678
GAAP research and development		$	81,539			$	67,054
Less: Stock-based compensation and related employer payroll taxes			(30,216	)			(24,079	)
Less: Acquisition-related and other expenses			—				(2,639	)
Non-GAAP research and development		$	51,323			$	40,336
GAAP general and administrative		$	48,475			$	38,029
Less: Stock-based compensation and related employer payroll taxes			(13,863	)			(6,018	)
Non-GAAP general and administrative		$	34,612			$	32,011
Reconciliation of income (loss) from operations:
GAAP loss from operations		$	(47,272	)		$	(40,024	)
Add: Stock-based compensation and related employer payroll taxes			61,750				41,799
Add: Amortization of acquired intangible assets			4,887				507
Add: Acquisition-related and other expenses			—				2,639
Non-GAAP income from operations		$	19,365			$	4,921
GAAP operating margin			(16.3	)%			(18.9	)%
Non-GAAP operating margin			6.7	%			2.3	%

CLOUDFLARE, INC.
RECONCILIATION OF GAAP TO NON-GAAP FINANCIAL MEASURES
(in thousands, except per share amounts)
(unaudited)
		Three Months Ended March 31,
		2023				2022
Reconciliation of interest expense:
GAAP interest expense		$	(2,126	)		$	(1,557	)
Add: Amortization of debt issuance costs			1,163				1,170
Non-GAAP interest expense		$	(963	)		$	(387	)
Reconciliation of provision for income taxes:
GAAP provision for income taxes		$	1,314			$	374
Income tax effect of non-GAAP adjustments			2,537				1,284
Non-GAAP provision for income taxes		$	3,851			$	1,658
Reconciliation of net income (loss) and net income (loss) per share:
GAAP net loss attributable to common stockholders		$	(38,082	)		$	(41,381	)
Add: Stock-based compensation and related employer payroll taxes			61,750				41,799
Add: Amortization of acquired intangible assets			4,887				507
Add: Acquisition-related and other expenses			—				2,639
Add: Amortization of debt issuance costs			1,163				1,170
Income tax effect of non-GAAP adjustments			(2,537	)			(1,284	)
Non-GAAP net income		$	27,181			$	3,450
GAAP net loss per share, basic		$	(0.12	)		$	(0.13	)
GAAP net loss per share, diluted		$	(0.12	)		$	(0.13	)
Add: Stock-based compensation and related employer payroll taxes			0.19				0.13
Add: Amortization of acquired intangible assets			0.01				—
Add: Acquisition-related and other expenses			—				0.01
Add: Amortization of debt issuance costs			—				—
Income tax effect of non-GAAP adjustment			(0.01	)			—
Effect of dilutive shares			0.01				—
Non-GAAP net income per share, diluted(1)(2)		$	0.08			$	0.01
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, basic			330,389				323,334
Weighted-average shares used in computing non-GAAP net income (loss) per share attributable to common stockholders, diluted(2)			342,005				341,589

____________

(1) Totals may not sum due to rounding. Figures are calculated based upon the respective underlying non-rounded data.

(2) For the period in which we had non-GAAP net income, diluted non-GAAP net income per share is calculated using weighted-average shares, adjusted for dilutive potential shares that were assumed outstanding during period.

CLOUDFLARE, INC.
RECONCILIATION OF GAAP TO NON-GAAP FINANCIAL MEASURES
(in thousands, except per share amounts)
(unaudited)
		Three Months Ended March 31,
		2023				2022
Free cash flow
Net cash provided by (used in) operating activities		$	36,414			$	(35,467	)
Less: Purchases of property and equipment			(17,541	)			(24,481	)
Less: Capitalized internal-use software			(4,970	)			(4,453	)
Free cash flow		$	13,903			$	(64,401	)
Net cash provided by (used) in investing activities		$	15,567			$	(110,805	)
Net cash provided by (used in) financing activities		$	1,247			$	(14,254	)
Net cash provided by (used in) operating activities (percentage of revenue)			13	%			(17	)%
Less: Purchases of property and equipment (percentage of revenue)			(6)	%			(11	)%
Less: Capitalized internal-use software (percentage of revenue)			(2)	%			(2)	%
Free cash flow margin(1)			5	%			(30	)%

____________

(1) Totals may not sum due to rounding. Figures are calculated based upon the respective underlying non-rounded data.

Explanation of Non-GAAP Financial Measures

In addition to our results determined in accordance with generally accepted accounting principles in the United States (U.S. GAAP), we believe the following non-GAAP measures are useful in evaluating our operating performance. We use the following non-GAAP financial information to evaluate our ongoing operations and for internal planning and forecasting purposes. We believe that non-GAAP financial information, when taken collectively, may be helpful to investors because it provides consistency and comparability with past financial performance. However, non-GAAP financial information is presented for supplemental informational purposes only, has limitations as an analytical tool and should not be considered in isolation or as a substitute for financial information presented in accordance with U.S. GAAP. In particular, free cash flow is not a substitute for cash provided by (used in) operating activities. Additionally, the utility of free cash flow as a measure of our liquidity is further limited as it does not represent the total increase or decrease in our cash balance for a given period. In addition, other companies, including companies in our industry, may calculate similarly-titled non-GAAP measures differently or may use other measures to evaluate their performance, all of which could reduce the usefulness of our non-GAAP financial measures as tools for comparison. A reconciliation is provided above for each non-GAAP financial measure to the most directly comparable financial measure stated in accordance with U.S. GAAP. Investors are encouraged to review the related U.S. GAAP financial measures and the reconciliation of these non-GAAP financial measures to their most directly comparable U.S. GAAP financial measures, and not to rely on any single financial measure to evaluate our business.

Expenses Excluded from Non-GAAP Measures. We exclude stock-based compensation expense, which is a non-cash expense, from certain of our non-GAAP financial measures because we believe that excluding this item provides meaningful supplemental information regarding operational performance. We exclude employer payroll tax expenses related to stock-based compensation which is a cash expense, from certain of our non-GAAP financial measures because such expenses are dependent on the price of our common stock and other factors that are beyond our control and do not correlate to the operation of our business. We exclude amortization of acquired intangible assets, which is a non-cash expense, related to business combinations from certain of our non-GAAP financial measures because such expenses are related to business combinations and have no direct correlation to the operation of our business. We exclude acquisition-related and other expenses from certain of our non-GAAP financial measures because such expenses are related to business combinations and have no direct correlation to the operation of our business. Acquisition-related and other expenses can be cash or non-cash expenses and include third-party transaction costs and compensation expense for key acquired personnel. We exclude amortization of issuance costs, which is a non-cash expense, from certain of our non-GAAP financial measures because such expenses have no direct correlation to the operation of our business.

Non-GAAP Gross Profit and Non-GAAP Gross Margin. We define non-GAAP gross profit and non-GAAP gross margin as U.S. GAAP gross profit and U.S. GAAP gross margin, respectively, excluding stock-based compensation and related employer payroll taxes and amortization of acquired intangible assets.

Non-GAAP Income (Loss) from Operations and Non-GAAP Operating Margin. We define non-GAAP income (loss) from operations and non-GAAP operating margin as U.S. GAAP loss from operations and U.S. GAAP operating margin, respectively, excluding stock-based compensation and related employer payroll taxes, amortization of acquired intangible assets, and acquisition-related and other expenses.

Non-GAAP Net Income (Loss) and Non-GAAP Net Income (Loss) per Share, Diluted. We define non-GAAP net income (loss) as GAAP net income (loss) adjusted for stock-based compensation and related employer payroll taxes, amortization of acquired intangible assets, acquisition-related and other expenses, amortization of issuance costs, loss on extinguishment of debt, and a non-GAAP provision for (benefit from) income taxes. Generally, the difference between our GAAP and non-GAAP income tax expense (benefit) is primarily due to adjustments in stock-based compensation and related employer payroll taxes, amortization of acquired intangibles associated with business combinations, acquisition-related and other expenses, and amortization of issuance costs. We define non-GAAP net loss per share, diluted, as non-GAAP net loss divided by the weighted-average common shares outstanding. Calculation of non-GAAP net loss per share, diluted excludes all potentially dilutive securities as their effect is antidilutive. We define non-GAAP net income per share, diluted, as non-GAAP net income divided by the weighted-average common shares outstanding, adjusted for dilutive potential shares that were assumed outstanding during period. Currently, potential dilutive effect mainly consists of employee equity incentive plans and convertible senior notes. We believe that excluding these items from non-GAAP net income (loss) per share, diluted, provides management and investors with greater visibility into the underlying performance of our core business operating results.

Free Cash Flow and Free Cash Flow Margin. Free cash flow is a non-GAAP financial measure that we calculate as net cash provided by (used in) operating activities less cash used for purchases of property and equipment and capitalized internal-use software. Free cash flow margin is calculated as free cash flow divided by revenue. We believe that free cash flow and free cash flow margin are useful indicators of liquidity that provide information to management and investors about the amount of cash generated from our operations that, after the investments in property and equipment and capitalized internal-use software, can be used for strategic initiatives, including investing in our business, and strengthening our financial position. We believe that historical and future trends in free cash flow and free cash flow margin, even if negative, provide useful information about the amount of cash generated (or consumed) by our operating activities that is available (or not available) to be used for strategic initiatives. For example, if free cash flow is negative, we may need to access cash reserves or other sources of capital to invest in strategic initiatives. One limitation of free cash flow and free cash flow margin is that they do not reflect our future contractual commitments. Additionally, free cash flow does not represent the total increase or decrease in our cash balance for a given period.

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