Acacia Communications Reports Second Quarter 2019 Results

MAYNARD, Mass., August 6, 2019 (GLOBE NEWSWIRE) -- Acacia Communications, Inc. (NASDAQ: ACIA), a leading provider of high-speed coherent optical interconnect products, today reported financial results for its second quarter ended June 30, 2019. Acacia Communications will not host a conference call to discuss its results for the second quarter of 2019 or provide forward guidance for the third quarter ending September 30, 2019, due to the previously announced proposed acquisition of Acacia Communications by Cisco Systems, Inc.

Results for the Second Quarter of 2019

• Revenue of $111.2 million

• GAAP gross margin of 45.9%; non-GAAP gross margin* of 46.2%

• GAAP loss from operations of $7.8 million; non-GAAP income from operations* of $15.8 million

• GAAP net loss of $2.0 million; non-GAAP net income* of $17.6 million

• EBITDA* of $(4.8) million; adjusted EBITDA* of $18.8 million

• GAAP diluted loss per share of $0.05; non-GAAP diluted EPS* of $0.42

*Non-GAAP gross margin, non-GAAP income from operations, non-GAAP net income, (loss) earnings before interest, taxes, depreciation and amortization (EBITDA), adjusted EBITDA and non-GAAP diluted earnings per share (EPS) are non-GAAP financial measures that are not prepared in accordance with generally accepted accounting principles (GAAP). Please refer below to Use of Non-GAAP Financial Information for descriptions of these non-GAAP financial measures and to the Reconciliation of GAAP Measures to Non-GAAP Measures, attached as Schedule D, for reconciliations of the most directly comparable GAAP financial measures to these non-GAAP financial measures.

Use of Non-GAAP Financial Information

This press release includes non-GAAP financial measures that are not prepared in accordance with, nor an alternative to, GAAP. In addition, these non-GAAP financial measures are not based on any standardized methodology prescribed by GAAP and are not necessarily comparable to similarly-titled measures presented by other companies.

Schedule D of this press release provides reconciliations of Acacia Communications’ most comparable GAAP financial measures to non-GAAP gross profit, non-GAAP gross margin, non-GAAP research and development expenses, non-GAAP sales, general and administrative expenses, non-GAAP operating expenses, non-GAAP income (loss) from operations, non-GAAP net income (loss), non-GAAP effective tax rate, EBITDA, adjusted EBITDA and non-GAAP diluted (loss) earnings per share.

Acacia Communications believes that providing these non-GAAP financial measures to investors, in addition to providing the most directly comparable GAAP measures, provides investors the benefit of viewing the Company’s performance using the same financial metrics that its management team uses in making many key decisions and evaluating how its results of operations may look in the future. Acacia Communications’ management does not believe that items not involving cash expenditures, such as non-cash compensation related to equity awards, are part of its critical decision making process. Also, Acacia Communications’ management does not believe that items such as warranty and other charges arising from a manufacturing process quality issue or certain litigation related costs and settlement reserves outside the normal course of the Company’s business, acquisition related costs or certain adjustments to its valuation allowance against deferred

tax assets are reflective of the Company’s underlying operating performance. Further, in connection with the seven-year denial of export privileges imposed on April 15, 2018 by the U.S. Department of Commerce against ZTE, which was subsequently lifted on July 13, 2018, the Company recorded inventory write-offs. Acacia Communications’ management does not believe these write-offs, and any subsequent adjustments as a result of management’s ongoing evaluation of the ZTE inventory, are reflective of the Company’s underlying operating performance. Therefore, Acacia Communications excludes those items, as applicable, from non-GAAP gross profit, non-GAAP gross margin, non-GAAP research and development expenses, non-GAAP sales, general and administrative expenses, non-GAAP operating expenses, non-GAAP income (loss) from operations, non-GAAP net income (loss), non-GAAP effective tax rate, non-GAAP diluted (loss) earnings per share, EBITDA and adjusted EBITDA.

Acacia Communications’ non-GAAP financial measures reflect adjustments based on the metrics described below, as well as the related income tax effects. The income tax effect of these non-GAAP adjustments is determined by recalculating income tax expense excluding these adjustments.

Non-GAAP gross profit and non-GAAP gross margin.    Acacia Communications defines non-GAAP gross profit as gross profit as reported on its consolidated statements of operations, excluding the impact of stock-based compensation, which is a non-cash charge, warranty and other charges arising from a manufacturing process quality issue and ZTE-related inventory write-offs and subsequent adjustments. Acacia Communications defines non-GAAP gross margin as the non-GAAP gross profit divided by revenue as reported on its consolidated statements of operations. Acacia Communications has presented non-GAAP gross profit and non-GAAP gross margin because the Company believes that the exclusion of stock-based compensation, warranty and other charges arising from a manufacturing process quality issue and ZTE-related inventory write-offs and subsequent adjustments facilitates comparisons of its results of operations to other companies in its industry.

Non-GAAP research and development expenses.    Acacia Communications defines non-GAAP research and development expenses as research and development expenses as reported on the Company’s consolidated statements of operations, excluding the impact of stock-based compensation. Acacia Communications has presented non-GAAP research and development expenses because the Company believes that the exclusion of stock-based compensation facilitates comparisons of its results of operations to other companies in its industry.

Non-GAAP sales, general and administrative expenses.    Acacia Communications defines non-GAAP sales, general and administrative expenses as sales, general and administrative expenses as reported on the Company’s consolidated statements of operations, excluding the impact of stock-based compensation, certain litigation related costs and settlement reserves and acquisition related costs. Acacia Communications has presented non-GAAP sales, general and administrative expenses because the Company believes that the exclusion of stock-based compensation, certain litigation related costs and settlement reserves and acquisition related costs facilitates comparisons of its results of operations to other companies in its industry.

Non-GAAP operating expenses.    Acacia Communications defines non-GAAP operating expenses as operating expenses as reported on the Company’s consolidated statements of operations, excluding the impact of stock-based compensation, certain litigation related costs and settlement reserves and acquisition related costs. Acacia Communications has presented non-GAAP operating expenses because the Company believes that the exclusion of stock-based compensation, certain litigation related costs and settlement reserves and acquisition related costs facilitates comparisons of its results of operations to other companies in its industry.

Non-GAAP income (loss) from operations.    Acacia Communications defines non-GAAP income (loss) from operations as (loss) income from operations as reported on the Company’s consolidated statements of operations, excluding the impact of stock-based compensation, warranty and other charges arising from a manufacturing process quality issue, ZTE-related inventory write-offs and subsequent adjustments, certain

litigation related costs and settlement reserves and acquisition related costs. Acacia Communications has presented non-GAAP income (loss) from operations because the Company believes that the exclusion of stock-based compensation, warranty and other charges arising from a manufacturing process quality issue, ZTE-related inventory write-offs and subsequent adjustments, certain litigation related costs and settlement reserves and acquisition related costs facilitates comparisons of its results of operations to other companies in its industry.

Non-GAAP net income (loss), non-GAAP effective tax rate and non-GAAP diluted earnings (loss) per share.    Acacia Communications defines non-GAAP net income (loss) as net (loss) income as reported on the Company’s consolidated statements of operations, excluding the impact of stock-based compensation which is a non-cash charge, as well as warranty and other charges arising from a manufacturing process quality issue, ZTE-related inventory write-offs and subsequent adjustments, certain litigation related costs and settlement reserves, acquisition related costs, the tax effects of those excluded items and certain valuation allowance adjustments against deferred tax assets.

Acacia Communications defines non-GAAP effective tax rate as the non-GAAP provision (benefit) for income taxes divided by non-GAAP income (loss) before provision (benefit) for income taxes. Non-GAAP provision (benefit) for income taxes is defined as the (benefit) provision for income taxes as reported on the Company’s consolidated statements of operations, as adjusted for the tax effects of excluding stock-based compensation expense, warranty and other charges arising from a manufacturing process quality issue, ZTE-related inventory write-offs and subsequent adjustments, certain litigation related costs and settlement reserves, acquisition related costs, as well as the impact of certain valuation allowance adjustments against deferred tax assets. Non-GAAP income (loss) before provision (benefit) for income taxes is defined as GAAP (loss) income before (benefit) provision for income taxes as reported on the Company’s consolidated statements of operations, excluding stock-based compensation expense, warranty and other charges arising from a manufacturing process quality issue, ZTE-related inventory write-offs and subsequent adjustments, certain litigation related costs and settlement reserves and acquisition related costs.

In order to calculate non-GAAP diluted earnings (loss) per share, Acacia Communications uses a non-GAAP weighted-average share count which will include the impact of dilutive stock-based awards for periods in which there was a GAAP net loss resulting in GAAP diluted net loss per share, but a non-GAAP net income.

Acacia Communications has presented non-GAAP net income (loss), non-GAAP effective tax rate and non-GAAP diluted earnings (loss) per share because the Company believes that the exclusion of the items discussed above facilitates comparisons of its results of operations to other companies in its industry and more accurately reflects the underlying performance of our continuing business operations.

EBITDA and Adjusted EBITDA.    Acacia Communications defines EBITDA as net (loss) income as reported on the Company’s consolidated statements of operations before depreciation, interest income, net, and its (benefit) provision for income taxes. Acacia Communications defines adjusted EBITDA as EBITDA excluding the impact of stock-based compensation, warranty and other charges arising from a manufacturing process quality issue, ZTE-related inventory write-offs and subsequent adjustments, certain litigation related costs and settlement reserves and acquisition related costs. Acacia Communications has presented adjusted EBITDA because it is a key measure used by its management and board of directors to understand and evaluate the Company’s operating performance, to establish budgets and to develop operational goals for managing its business. In particular, Acacia Communications believes that the exclusion of the amounts eliminated in calculating adjusted EBITDA can provide a useful measure for period-to-period comparisons of its core operating performance.

Acacia Communications uses these non-GAAP financial measures to evaluate its operating performance and trends, and make planning decisions. Acacia Communications believes that each of these non-GAAP financial measures helps identify underlying trends in its business that could otherwise be masked by the effect of the items that the Company excludes. Accordingly, Acacia Communications believes that these financial measures provide useful information to investors and others in understanding and evaluating its operating results, enhancing the overall understanding of the Company’s past performance and future prospects, and allowing for greater transparency with respect to key financial metrics used by its management in its financial and operational decision-making.

Acacia Communications’ non-GAAP financial measures are not prepared in accordance with GAAP, and should not be considered in isolation of, or as an alternative to, measures prepared in accordance with GAAP. There are a number of limitations related to the use of these non-GAAP financial measures rather than gross profit, gross margin, research and development expenses, sales, general and administrative expenses, operating expenses, (loss) income from operations, net (loss) income, effective tax rate or diluted (loss) earnings per share, which are the most directly comparable GAAP measures. Some of these limitations are:

• Acacia Communications excludes stock-based compensation expense from each of its non-GAAP financial measures, although it has recently been, and will continue to be for the foreseeable future, a significant recurring expense for its business and an important part of the Company’s compensation strategy;

• Acacia Communications excludes the tax benefits generated from the exercise of non-qualified stock options, the disqualifying disposition of incentive stock options and ESPP shares, and the vesting of restricted stock units, including any excess tax benefits and shortfalls recognized by the Company in the year of the taxable transaction, in calculating its non-GAAP effective tax rate, non-GAAP net income (loss), and non-GAAP diluted earnings (loss) per share. The Company believes that excluding these tax benefits enables investors to see the full effect that excluding stock-based compensation expense had on the operating results. These benefits are tied to the exercise or vesting of underlying employee equity awards and the price of our common stock at the time of exercise or vesting, which factors may vary from period to period independent of the operating performance of the Company’s business. Similar to stock-based compensation expense, the Company believes that excluding these tax benefits provides investors and management with greater visibility to the underlying performance of its business operations and facilitates comparison with other periods as well as the results of other companies in its industry;

• Acacia Communications excludes warranty and other charges arising from a manufacturing process quality issue from its non-GAAP gross profit, non-GAAP gross margin, non-GAAP income (loss) from operations, non-GAAP net income (loss), non-GAAP effective tax rate, non-GAAP diluted earnings (loss) per share and adjusted EBITDA measures, as management does not believe the charges are reflective of the Company’s underlying operating performance;

• Acacia Communications excludes certain adjustments to its valuation allowance against deferred tax assets from its non-GAAP net income (loss), non-GAAP effective tax rate and non-GAAP diluted earnings (loss) per share measures, as management does not believe the charges are reflective of the Company’s underlying operating performance;

• Acacia Communications excludes ZTE-related inventory write-offs and subsequent adjustments from itsnon-GAAP gross profit, non-GAAP gross margin, non-GAAP income (loss) from operations, non-GAAP net income (loss), non-GAAP effective tax rate, non-GAAP diluted earnings (loss) per share and adjusted EBITDA measures, as management believes the activity is not related to the Company’s normal course of business and is not reflective of the Company’s underlying operating performance;

• Acacia Communications excludes certain litigation related costs and settlement reserves from its non-GAAP sales, general and administrative expenses, non-GAAP operating expenses, non-GAAP income (loss) from operations, non-GAAP net income (loss), non-GAAP effective tax rate, non-GAAP diluted earnings (loss) per share and adjusted EBITDA measures, if management believes the activity is not related to the Company’s normal course of business and is not reflective of the Company’s underlying operating performance. These expenses may continue in the future;

• Acacia Communications excludes acquisition related costs from its non-GAAP sales, general and administrative expenses, non-GAAP operating expenses, non-GAAP income (loss) from operations, non-GAAP net income (loss), non-GAAP effective tax rate, non-GAAP diluted earnings (loss) per share and adjusted EBITDA measures, as management believes the activity is not related to the Company’s normal course of business and is not reflective of the Company’s underlying operating performance;

• EBITDA and adjusted EBITDA exclude depreciation expense and, although this is a non-cash expense, the assets being depreciated may have to be replaced in the future;

• EBITDA and adjusted EBITDA do not reflect interest income, which increases cash available to the Company, as this income is not generated by the Company’s core operations;

• EBITDA and adjusted EBITDA do not reflect the (benefit) provision for income tax which may impact cash available to the Company; and

• the expenses and other items that the Company excludes in its calculation of adjusted EBITDA may differ from the expenses and other items, if any, that other companies may exclude from adjusted EBITDA when they report their operating results.

Because of these limitations, non-GAAP financial measures should be considered along with other operating and financial performance measures presented in accordance with GAAP.

Acacia Communications’ use of non-GAAP financial measures, and the underlying methodology when excluding certain items, is not necessarily an indication of the results of operations that may be expected in the future, or that Acacia Communications will not, in fact, record such items in future periods.

Investors should consider Acacia Communications’ non-GAAP financial measures in conjunction with the corresponding GAAP financial measures.

About Acacia Communications

Acacia Communications develops, manufactures and sells high-speed coherent optical interconnect products that are designed to transform communications networks through improvements in performance, capacity and cost. By implementing optical interconnect technology in a silicon-based platform, a process Acacia Communications refers to as the “siliconization of optical interconnect,” Acacia Communications is able to offer products at higher speeds and density with lower power consumption, that meet the needs of cloud and service providers and can be easily integrated in a cost-effective manner with existing network equipment. www.acacia-inc.com.

Forward Looking Statements

This press release includes statements concerning Acacia Communications and its future expectations, plans and prospects that constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. For this purpose, any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements. Without limiting the foregoing, the words “may,” “should,”

“expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” “will” or “continue” or the negative of these terms or other similar expressions are intended to help you identify forward-looking statements. The forward-looking statements in this press release are only predictions. The events and circumstances reflected in the forward-looking statements may not be achieved or occur and actual results could differ materially from those projected in the forward looking statements. Acacia Communications has based these forward-looking statements largely on its current expectations and projections about future events and financial trends that the Company believes may affect its business, financial condition and results of operations. These forward-looking statements speak only as of the date of this press release and are subject to a number of risks, uncertainties and assumptions including, without limitation, the occurrence of any event, change or other circumstance that could give rise to the termination of the Agreement and Plan of Merger the Company has entered into with Cisco Systems, Inc. and Amarone Acquisition Corp. and any inability to complete the proposed merger due to the failure to obtain stockholder approval for the proposed merger or the failure to satisfy other conditions to the completion of the proposed merger, including that a governmental entity may prohibit, delay or refuse to grant approval for the consummation of the proposed merger, the Company’s ability to sustain or increase revenue from its larger customers, generate revenues from new customers, or offset the discontinuation of concentrated purchases by its larger customers with purchases by new or existing customers, the Company’s ability to anticipate the timing and scale of demand for its products, including from its largest customers, the Company’s expectations regarding expenses and revenue, its ability to maintain and expand gross profit, the sufficiency of the Company’s cash resources and needs for additional financing, the Company’s ability to produce products free of problems, defects, errors and vulnerabilities, the Company’s anticipated growth strategies, its expectations regarding competition, the anticipated trends and challenges in the Company’s business and the markets in which it operates, the Company’s expectations regarding, and the capacity and stability of, its supply chain and manufacturing, the size and growth of the potential markets for the Company’s products and the ability to serve those markets, the scope, progress, expansion and costs of developing and commercializing its products, the timing, rate and degree of introducing any of its products into the market and the market acceptance of any of its products, the Company’s ability to establish and maintain development partnerships, its ability to attract or retain key personnel, the Company’s expectations regarding federal, state and foreign regulatory requirements, including export controls, tax law changes and interpretations, economic sanctions and anti-corruption regulations, regulatory or legislative developments in the United States and foreign countries, including trade policy and tariffs and export control laws or regulations that could impede its ability to sell its products to its customer ZTE Kangxun Telecom Co. Ltd. or any of its affiliates or that could impede its ability to sell its products to other customers in certain foreign jurisdictions, particularly in China, or that could impede sales by such customers in the United States, the Company’s ability to obtain and maintain intellectual property protection for its products, and other risks set forth under the caption “Risk Factors” in the Company’s public reports filed with the SEC, including the Company’s Annual Report on Form 10-K for the year ended December 31, 2018, its Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2019, its Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 2019 to be filed with the SEC and in other filings that the Company may make with the SEC in the future. Because forward-looking statements are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified, you should not rely on these forward-looking statements as indicative of future events. Acacia Communications assumes no obligation to publicly update or revise any forward-looking statements contained in this press release as a result of new information, future events or otherwise.

SCHEDULE A ACACIA COMMUNICATIONS, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (in thousands) (unaudited)
	June 30, 2019			December 31, 2018
ASSETS
Current assets:
Cash and cash equivalents	$	46,175		$	60,444
Marketable securities - short-term	271,962			264,660
Accounts receivable	89,496			90,831
Inventory	38,551			25,511
Prepaid expenses and other current assets	7,030			12,598
Total current assets	453,214			454,044
Marketable securities - long-term	116,390			74,764
Property and equipment, net	27,559			26,643
Operating lease right-of-use assets	27,345			—
Deferred tax asset	43,223			38,717
Other assets	1,049			7,691
Total assets	$	668,780		$	601,859
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	47,682		$	46,650
Accrued liabilities	55,888			31,848
Deferred revenue	4,977			5,101
Total current liabilities	108,547			83,599
Income taxes payable	7,117			8,791
Non-current operating lease liabilities	17,455			—
Other long-term liabilities	6,111			6,742
Total liabilities	139,230			99,132
Stockholders’ equity:
Common stock	4			4
Treasury stock	(39,712		)	(39,712		)
Additional paid-in capital	381,105			360,267
Accumulated other comprehensive income (loss)	661			(372		)
Retained earnings	187,492			182,540
Total stockholders’ equity	529,550			502,727
Total liabilities and stockholders’ equity	$	668,780		$	601,859

SCHEDULE B ACACIA COMMUNICATIONS, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except per share data) (unaudited)
	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Revenue	$	111,183		$	65,003		$	216,399		$	137,944
Cost of revenue	60,096			39,798			115,470			88,668
Gross profit	51,087			25,205			100,929			49,276
Operating expenses:
Research and development	28,976			24,340			59,929			48,785
Sales, general and administrative	29,899			12,984			45,686			27,272
Total operating expenses	58,875			37,324			105,615			76,057
Loss from operations	(7,788		)	(12,119		)	(4,686		)	(26,781		)
Other income, net:
Interest income, net	2,902			1,491			5,348			2,845
Other expense, net	(55		)	(191		)	(107		)	(262		)
Total other income, net	2,847			1,300			5,241			2,583
(Loss) income before benefit for income taxes	(4,941		)	(10,819		)	555			(24,198		)
Benefit for income taxes	(2,916		)	(7,574		)	(4,397		)	(11,875		)
Net (loss) income	$	(2,025	)	$	(3,245	)	$	4,952		$	(12,323	)
(Loss) earnings per share:
Basic	$	(0.05	)	$	(0.08	)	$	0.12		$	(0.31	)
Diluted	$	(0.05	)	$	(0.08	)	$	0.12		$	(0.31	)
Weighted-average shares used to compute (loss) earnings per share:
Basic	40,777			40,307			40,532			40,074
Diluted	40,777			40,307			42,154			40,074

SCHEDULE C ACACIA COMMUNICATIONS, INC. CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS  (in thousands) (unaudited)
	Six Months Ended June 30,
	2019			2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$	4,952		$	(12,323	)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	6,330			6,634
Stock-based compensation	17,007			14,126
Deferred income taxes	(4,506		)	(9,823		)
Non-cash lease expense	2,406			—
Other non-cash benefits	(1,439		)	(47		)
Changes in operating assets and liabilities:
Accounts receivable	1,335			30,203
Inventory	(13,040		)	11,582
Prepaid expenses and other current assets	5,568			(2,236		)
Other assets	(247		)	613
Accounts payable	(390		)	(17,439		)
Accrued liabilities	20,216			(4,053		)
Deferred revenue	(920		)	2,826
Income taxes payable	(1,674		)	(1,829		)
Lease liabilities	(1,697		)	—
Other long-term liabilities	165			(420		)
Net cash provided by operating activities	34,066			17,814
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(6,072		)	(9,683		)
Purchases of marketable securities	(229,695		)	(142,614		)
Sales and maturities of marketable securities	183,488			165,508
Deposits	—			20
Net cash (used in) provided by investing activities	(52,279		)	13,231
CASH FLOWS FROM FINANCING ACTIVITIES:
Treasury stock acquired	—			(771		)
Proceeds from the issuance of common stock under stock-based compensation plans	3,944			2,887
Net cash provided by financing activities	3,944			2,116
Net (decrease) increase in cash and cash equivalents	(14,269		)	33,161
Cash and cash equivalents—Beginning of period	60,444			67,495
Cash and cash equivalents—End of period	$	46,175		$	100,656
Supplemental cash flow disclosures:
(Refunds received) cash paid for income taxes, net	$	(996	)	$	659
Non-cash transactions:
Right of use assets acquired under operating leases	$	7,084		$	—

SCHEDULE D ACACIA COMMUNICATIONS, INC. RECONCILIATION OF GAAP MEASURES TO NON-GAAP MEASURES  (in thousands, except for per share data) (unaudited)
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP Gross Profit and Non-GAAP Gross Margin
GAAP gross profit	$	51,087		$	49,842		$	25,205
Stock-based compensation - cost of revenue	571			520			572
Warranty and other charges due to manufacturing process quality issue	(146		)	(79		)	405
Inventory write-offs	(120		)	(392		)	(1,259		)
Non-GAAP gross profit	$	51,392		$	49,891		$	24,923
GAAP gross margin	45.9		%	47.4		%	38.8		%
Non-GAAP gross margin	46.2		%	47.4		%	38.3		%
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP R&D Expenses
GAAP research and development expenses	$	28,976		$	30,953		$	24,340
Stock-based compensation	5,325			4,746			4,467
Non-GAAP research and development expenses	$	23,651		$	26,207		$	19,873
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP SG&A Expenses
GAAP sales, general and administrative expenses	$	29,899		$	15,787		$	12,984
Stock-based compensation	3,103			2,742			2,549
Litigation related costs and settlement reserves	14,251			3,253			772
Acquisition related costs	585			—			—
Non-GAAP sales, general and administrative expenses	$	11,960		$	9,792		$	9,663
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP Operating Expenses
GAAP operating expenses	$	58,875		$	46,740		$	37,324
Stock-based compensation	8,428			7,488			7,016
Litigation related costs and settlement reserves	14,251			3,253			772
Acquisition related costs	585			—			—
Non-GAAP operating expenses	$	35,611		$	35,999		$	29,536

SCHEDULE D (Cont.) ACACIA COMMUNICATIONS, INC. RECONCILIATION OF GAAP MEASURES TO NON-GAAP MEASURES  (in thousands, except for per share data) (unaudited)
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP Income (Loss) from Operations
GAAP (loss) income from operations	$	(7,788	)	$	3,102		$	(12,119	)
Stock-based compensation	8,999			8,008			7,588
Warranty and other charges due to manufacturing process quality issue	(146		)	(79		)	405
Litigation related costs and settlement reserves	14,251			3,253			772
Inventory write-offs	(120		)	(392		)	(1,259		)
Acquisition related costs	585			—			—
Non-GAAP income (loss) from operations	$	15,781		$	13,892		$	(4,613	)
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP Net Income (Loss)
GAAP net (loss) income	$	(2,025	)	$	6,977		$	(3,245	)
Stock-based compensation	8,999			8,008			7,588
Warranty and other charges due to manufacturing process quality issue	(146		)	(79		)	405
Litigation related costs and settlement reserves	14,251			3,253			772
Inventory write-offs	(120		)	(392		)	(1,259		)
Acquisition related costs	585			—			—
Tax effect of excluded items	(3,941		)	(2,415		)	(7,447		)
Non-GAAP net income (loss)	$	17,603		$	15,352		$	(3,186	)
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP Effective Tax Rate
GAAP effective tax rate	59.0		%	(26.9		)%	70.0		%
Tax effect of excluded items	(53.5		)%	32.6		%	(66.2		)%
Non-GAAP effective tax rate	5.5		%	5.7		%	3.8		%

SCHEDULE D (Cont.) ACACIA COMMUNICATIONS, INC. RECONCILIATION OF GAAP MEASURES TO NON-GAAP MEASURES  (in thousands, except for per share data) (unaudited)
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
(Loss) Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA) and Adjusted EBITDA
GAAP net (loss) income	$	(2,025	)	$	6,977		$	(3,245	)
Depreciation	3,087			3,243			3,368
Interest income, net	(2,902		)	(2,446		)	(1,491		)
Benefit for income taxes	(2,916		)	(1,481		)	(7,574		)
EBITDA	(4,756		)	6,293			(8,942		)
Stock-based compensation	8,999			8,008			7,588
Warranty and other charges due to manufacturing process quality issue	(146		)	(79		)	405
Litigation related costs and settlement reserves	14,251			3,253			772
Inventory write-offs	(120		)	(392		)	(1,259		)
Acquisition related costs	585			—			—
Adjusted EBITDA	$	18,813		$	17,083		$	(1,436	)
	Three Months Ended
	Q2 2019			Q1 2019			Q2 2018
Non-GAAP Diluted Earnings (Loss) per Share
GAAP Diluted (loss) earnings per share	$	(0.05	)	$	0.17		$	(0.08	)
Stock-based compensation	0.22			0.19			0.19
Warranty and other charges due to manufacturing process quality issue	—			—			0.01
Litigation related costs and settlement reserves	0.35			0.08			0.02
Inventory write-offs	—			(0.01		)	(0.03		)
Acquisition related costs	0.01			—			—
Tax effect of excluded items	(0.10		)	(0.06		)	(0.19		)
Dilutive stock-based awards	(0.01		)	—			—
Non-GAAP diluted earnings (loss) per Share	$	0.42		$	0.37		$	(0.08	)
Weighted-average shares used to compute GAAP diluted (loss) earnings per share	40,777			41,962			40,307
Dilutive stock-based awards	1,470			—			—
Weighted-average shares used to compute non-GAAP diluted earnings (loss) per share	42,247			41,962			40,307

SOURCE Acacia Communications, Inc.

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