Worldwide revenue of $100.9 million – an increase of 19.4% year over year
U.S. revenue of $84.9 million – an increase of 19.1% year over year
International revenue of $16.0 million – an increase of 20.7% year over year
Net loss of $5.1 million – an improvement of $9.7 million year over year
Positive adjusted EBITDA of $8.0 million – an improvement of $11.2 million year over year

AtriCure, Inc. ((ATRC), a leading innovator in surgical treatments and therapies for atrial fibrillation (Afib), left atrial appendage (LAA) management and post-operative pain management, today announced second quarter 2023 financial results.

"We are proud to report an exceptional quarter at AtriCure, highlighted by robust worldwide growth and meaningful operating leverage. Our performance showcases the breadth of opportunities that exist in our business and an unwavering commitment from our team to raise patient impact," said Michael Carrel, President, and Chief Executive Officer at AtriCure. "As we execute the second half of 2023, we remain focused on the expansion of our markets and continued advancement of clinical science and innovation."

Second Quarter 2023 Financial Results

Revenue for the second quarter 2023 was $100.9 million, an increase of 19.4% (an increase of 19.3% on a constant currency basis) over second quarter 2022 revenue. U.S. revenue was $84.9 million, an increase of $13.6 million or 19.1%, compared to the second quarter 2022. U.S. revenue growth was driven by sales in all key product lines, highlighted by sales of the EnCompass^® clamp in open ablation, cryoSPHERE^® probe for post-operative pain management and the AtriClip^® Flex·V^® device in appendage management. International revenue increased $2.8 million or 20.7% (an increase of 19.9% on a constant currency basis) to $16.0 million, across all franchises and geographic regions. On a sequential basis, worldwide revenue for the second quarter 2023 increased approximately 7.9% from first quarter 2023.

Gross profit for the second quarter 2023 was $77.1 million compared to $63.5 million for the second quarter 2022. Gross margin was 76.4% for the second quarter 2023, showing improvement of 130 basis points from the second quarter 2022, with the current quarter reflecting leverage of our operations and production efficiencies, partially offset by pressure from geographic and product mix. Loss from operations for the second quarter 2023 was $4.1 million, compared to $13.7 million for the second quarter 2022, reflecting strong revenue growth, cost efficiencies, and improving operating leverage. Basic and diluted net loss per share was $0.11 for the second quarter 2023, compared to $0.32 for the second quarter 2022.

Adjusted EBITDA was positive for the second quarter 2023 at $8.0 million, compared to negative $3.2 million for second quarter of 2022. Adjusted loss per share for the second quarter 2023 was $0.12, compared to $0.32 for the second quarter 2022.

Constant currency revenue, adjusted EBITDA and adjusted loss per share are non-GAAP measures. We discuss these non-GAAP measures and provide reconciliations to GAAP measures later in this release.

2023 Financial Guidance

Full year 2023 revenue is projected to be $392 million to $395 million, reflecting growth of approximately 19% to 20% over full year 2022. Management now expects full year 2023 positive adjusted EBITDA of approximately $12 million, and full year 2023 adjusted loss per share of approximately $0.92 to $0.94.

Conference Call

AtriCure will host a conference call at 4:30 p.m. Eastern Time on Tuesday, July 25, 2023 to discuss second quarter 2023 financial results. To access the webcast, please visit the Investors page of AtriCure's corporate website at https://ir.atricure.com/events-and-presentations/events. Participants are encouraged to register more than 15 minutes before the webcast start time. A replay of the presentation will be available for 90 days following the presentation.

About AtriCure

AtriCure, Inc. provides innovative technologies for the treatment of Afib and related conditions. Afib affects more than 37 million people worldwide. Electrophysiologists and cardiothoracic surgeons around the globe use AtriCure technologies for the treatment of Afib and reduction of Afib related complications. AtriCure's Isolator^® Synergy™ Ablation System is the first medical device to receive FDA approval for the treatment of persistent Afib. AtriCure's AtriClip^® Left Atrial Appendage Exclusion System products are the most widely sold LAA management devices worldwide. AtriCure's Hybrid AF™ Therapy is a minimally invasive procedure that provides a lasting solution for long-standing persistent Afib patients. AtriCure's cryoICE cryoSPHERE^® probe is cleared for temporary ablation of peripheral nerves to block pain, providing pain relief in cardiac and thoracic procedures. For more information, visit AtriCure.com or follow us on Twitter @AtriCure.

Forward-Looking Statements

This press release contains "forward-looking statements"– that is, statements related to future events that by their nature address matters that are uncertain. This press release also includes forward-looking projected financial information that is based on current estimates and forecasts. Actual results could differ materially. For details on the uncertainties that may cause our actual results to be materially different than those expressed in our forward-looking statements, visit http://www.atricure.com/forward-looking-statements as well as our Annual Reports on Form 10-K and Quarterly Reports on Form 10-Q which contain risk factors. Except where otherwise noted, the information contained in this release is as of July 25, 2023. We assume no obligation to update any forward-looking statements contained in this release as a result of new information or future events or developments, except as may be required by law.

Use of Non-GAAP Financial Measures

To supplement AtriCure's condensed consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America, or GAAP, AtriCure provides certain non-GAAP financial measures in this release as supplemental financial metrics.

Revenue reported on a constant currency basis is a non-GAAP measure, calculated by applying previous period foreign currency exchange rates to each of the comparable periods. Management analyzes revenue on a constant currency basis to better measure the comparability of results between periods. Because changes in foreign currency exchange rates have a non-operating impact on revenue, the Company believes that evaluating growth in revenue on a constant currency basis provides an additional and meaningful assessment of revenue to both management and investors.

Adjusted EBITDA is calculated as net loss before other income/expense (including interest), income tax expense, depreciation and amortization expense, share-based compensation expense, acquisition costs, legal settlements, impairment of intangible assets and change in fair value of contingent consideration liabilities. Management believes in order to properly understand short-term and long-term financial trends, investors may wish to consider the impact of these excluded items in addition to GAAP measures. The excluded items vary in frequency and/or impact on our continuing results of operations and management believes that the excluded items are typically not reflective of our ongoing core business operations and financial condition. Further, management uses adjusted EBITDA for both strategic and annual operating planning. A reconciliation of adjusted EBITDA reported in this release to the most comparable GAAP measure for the respective periods appears in the table captioned "Reconciliation of Non-GAAP Adjusted Income (Loss) (Adjusted EBITDA)" later in this release.

Adjusted loss per share is a non-GAAP measure which calculates the net loss per share before non-cash adjustments in fair value of contingent consideration liabilities, impairment of intangible assets and legal settlements. A reconciliation of adjusted loss income per share reported in this release to the most comparable GAAP measure for the respective periods appears in the table captioned "Reconciliation of Non-GAAP Adjusted Loss Per Share" later in this release.

The non-GAAP financial measures used by AtriCure may not be the same or calculated in the same manner as those used and calculated by other companies. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation or as a substitute for AtriCure's financial results prepared and reported in accordance with GAAP. We urge investors to review the reconciliation of these non-GAAP financial measures to the comparable GAAP financials measures included in this press release, and not to rely on any single financial measure to evaluate our business.

ATRICURE, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In Thousands, Except Per Share Amounts) (Unaudited)
	Three Months Ended June 30,						Six Months Ended June 30,
		2023			2022			2023			2022
United States Revenue:
Open ablation	$	27,002		$	22,070		$	52,144		$	41,044
Minimally invasive ablation		11,370			10,154			21,007			18,769
Pain management		12,590			10,210			23,658			18,224
Total ablation		50,962			42,434			96,809			78,037
Appendage management		33,941			28,831			66,283			55,500
Total United States		84,903			71,265			163,092			133,537
International Revenue:
Open ablation		7,722			6,213			15,008			12,705
Minimally invasive ablation		1,375			1,271			3,242			2,804
Pain management		439			114			667			254
Total ablation		9,536			7,598			18,917			15,763
Appendage management		6,479			5,666			12,403			9,805
Total International		16,015			13,264			31,320			25,568
Total revenue		100,918			84,529			194,412			159,105
Cost of revenue		23,841			21,010			47,726			39,991
Gross profit		77,077			63,519			146,686			119,114
Operating expenses:
Research and development expenses		17,438			14,791			32,765			28,420
Selling, general and administrative expenses		63,783			62,388			123,847			118,504
Total operating expenses		81,221			77,179			156,612			146,924
Loss from operations		(4,144	)		(13,660	)		(9,926	)		(27,810	)
Other expense, net		(881	)		(1,136	)		(1,497	)		(2,113	)
Loss before income tax expense		(5,025	)		(14,796	)		(11,423	)		(29,923	)
Income tax expense		93			45			171			101
Net loss	$	(5,118	)	$	(14,841	)	$	(11,594	)	$	(30,024	)
Basic and diluted net loss per share	$	(0.11	)	$	(0.32	)	$	(0.25	)	$	(0.66	)
Weighted average shares used in computing net loss per share:
Basic and diluted		46,266			45,692			46,187			45,610

ATRICURE, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED BALANCE SHEETS (In Thousands) (Unaudited)
	June 30, 2023			December 31, 2022
Assets
Current assets:
Cash, cash equivalents, and short-term investments	$	127,025		$	121,113
Accounts receivable, net		48,362			42,693
Inventories		55,409			45,931
Prepaid and other current assets		7,179			5,477
Total current assets		237,975			215,214
Long-term investments		7,598			51,509
Property and equipment, net		40,540			38,833
Operating lease right-of-use assets		4,353			3,787
Goodwill and intangible assets, net		302,164			274,120
Other noncurrent assets		1,541			1,985
Total assets	$	594,171		$	585,448
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable and accrued liabilities	$	55,695		$	52,920
Current maturities of debt and leases		15,715			5,472
Total current liabilities		71,410			58,392
Long-term debt		47,047			56,834
Finance lease liabilities		8,614			9,147
Operating lease liabilities		3,458			3,095
Other noncurrent liabilities		1,220			1,226
Total liabilities		131,749			128,694
Stockholders' equity:
Common stock		47			47
Additional paid-in capital		803,197			787,422
Accumulated other comprehensive loss		(2,609	)		(4,096	)
Accumulated deficit		(338,213	)		(326,619	)
Total stockholders' equity		462,422			456,754
Total liabilities and stockholders' equity	$	594,171		$	585,448

ATRICURE, INC. AND SUBSIDIARIES
RECONCILIATION OF GAAP RESULTS TO NON-GAAP RESULTS
(In Thousands)
(Unaudited)

Reconciliation of Non-GAAP Adjusted Income (Loss) (Adjusted EBITDA)
	Three Months Ended June 30,						Six Months Ended June 30,
		2023			2022			2023			2022
Net loss, as reported	$	(5,118	)	$	(14,841	)	$	(11,594	)	$	(30,024	)
Income tax expense		93			45			171			101
Other expense, net		881			1,136			1,497			2,113
Depreciation and amortization expense		3,580			2,937			6,523			5,804
Share-based compensation expense		8,995			7,524			17,755			14,573
Gain from legal settlement		(412	)		—			(4,412	)		—
Non-GAAP adjusted income (loss) (adjusted EBITDA)	$	8,019		$	(3,199	)	$	9,940		$	(7,433	)

Reconciliation of Non-GAAP Adjusted Loss Per Share
	Three Months Ended June 30,						Six Months Ended June 30,
		2023			2022			2023			2022
Net loss, as reported	$	(5,118	)	$	(14,841	)	$	(11,594	)	$	(30,024	)
Gain from legal settlement		(412	)		—			(4,412	)		—
Non-GAAP adjusted net loss	$	(5,530	)	$	(14,841	)	$	(16,006	)	$	(30,024	)
Basic and diluted adjusted net loss per share	$	(0.12	)	$	(0.32	)	$	(0.35	)	$	(0.66	)
Weighted average shares used in computing adjusted net loss per share
Basic and diluted		46,266			45,692			46,187			45,610

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AtriCure Reports Second Quarter 2023 Financial Results