Boston Scientific Q4 2024 Earnings Call Transcript

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Operator

Good morning, and welcome to the Boston Scientific 4th-Quarter 2024 Earnings Call. All participants will be in listen-only mode. Should you need assistance, please signal a conference specialist by pressing star than zero on your telephone keypad. After today's presentation, there will be an opportunity to ask questions. To ask a question, you may press star than one on your telephone keypad. To withdraw your question, please press star then 2. Please note this event is being recorded. I would now like to turn the conference over to John Monson, Senior Vice-President, Investor Relations. Please go-ahead.

Jonathan Monson
Senior Vice President, Investor Relations at Boston Scientific

Thank you, Drew, and thanks everyone for joining us. With me today are Mike Mahoney, Chairman and Chief Executive Officer; and Dan Brennan, Executive Vice-President and Chief Financial Officer. During the Q&A session, Mike and Dan will be joined by our Chief Medical Officer, Dr Ken Stein. We issued a press release earlier this morning announcing our Q4 and full-year 2024 results, which included reconciliations of the non-GAAP measures used in this release. The release, as well as reconciliations of the non-GAAP measures used in today's call can be found on the Investor Relations section of our website. Please note that on the call, operational revenue excludes the impact of foreign currency fluctuations and organic revenue further excludes acquisitions and divestitures from which there are less than a full period of comparable net sales. Guidance excludes the previously-announced agreements to acquire Bolt Medical and Anterra Oncology, which are expected to close-in the first-half of 2025 subject to customary closing conditions. For more information, please refer to the Q4 financial and operational highlights deck, which may be found on the Investor Relations section of our website. On this call, all references to sales and revenue are organic and relative growth as compared to the same quarter of the prior year unless otherwise specified. This call contains forward-looking statements regarding, among other things, our financial performance, business plans and product performance and development. These statements are based on our current beliefs using information available to us as of today's date and are not intended to be guarantees of future events or performance. If our underlying assumptions turn out to be incorrect or certain risks or uncertainties materialize, actual results could vary materially from those projected by the forward-looking statements. Factors that may cause such differences are discussed in our periodic reports and other filings with the SEC, including the Risk Factors section of our most recent annual Report on Form 10-K. Boston Scientific disclaims any intention or obligation to update these forward-looking statements except as required by-law. At this point, I'll turn the call over to Mike.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Great. Well then, John. Thank you everyone for joining us today. In 2024, we had an excellent performance across-the-board, surpassing our financial goals that we set for the year. This outstanding and differentiated performance is fueled by innovation and grid execution across our global business units and the earlier-than-expected approval and adoption of FARAPULSE in the US. In 4th-quarter '24, company operational sales grew 23% and organic sales grew 20%, exceeding the high-end of our guidance range of 14% to 16%. Full-year '24 operational sales grew 18.5%, while organic sales grew 16% for the year, exceeding our guidance of approximately 15%. We believe that most of our global business units grew in-line or faster than their respective markets in '24, which is a testament to our broad diversified product portfolio and the winning spirit of our global teams. 4th-quarter adjusted EPS of $0.70 grew 26%, which exceeded the high-end of guidance range of $0.64 to $0.66. Full-year adjusted EPS of $2.51 grew 22%, also exceeding the high-end range of our guidance of $2.45 to 247%. For the year, we drove 70 basis-points of adjusted operating margin to 27%, representing a balance of margin drop-through on the revenue upside we saw throughout the year, along with the reinvestment back into the business to drive long-term differentiated growth. For our '25 outlook, we expect our differentiated financial performance to continue, fueled by our innovative portfolio and strong global execution, and we're guiding to organic growth of 14% to 16% for the first-quarter of '25 and 10% to 12% for the full-year. Our first-quarter '25 adjusted EPS guide is $0.66 to $0.68, and we expect our full-year adjusted EPS to be $2.80 to $2.87, representing growth of 12% to 14%. Dan will provide more details on the financials, and then I'll provide some additional highlights in '24. So regionally on an operational basis, the US grew 31% in the 4th-quarter. Full-year 2024 was 21% with double-digit growth in six of our eight business units. On an operational basis, Middle-East, Europe, Middle-East and Africa grew 12% in the 4th-quarter and 14% on the full-year. In '24, we saw above-market growth from all business units supported by strong commercial execution, talking about Europe here and key franchises across the portfolio as well as price discipline. We expect to outpace the market again in '25 with further momentum in EP following the recent approval of Fairwave NAV and increasing contribution from our growth emerging markets. In Asia-Pac, we grew 12% operationally in 4th-quarter and 16% for the full-year, led by excellent performance and double-digit growth across Japan, China, Australia, New Zealand. Japan really had a nice year, growing double-digits for the second year in a row, driven by Agent DCB, Resume Watchmen Flex Pro and very early contribution from. On a full-year basis, China grew strong double-digits and crossed $1 million in revenue. This differentiated growth in China was fueled by a broad portfolio, focus on innovation and excellent commercial execution. Looking ahead, we expect China to grow mid-teens with increasing contribution from and our diverse portfolio despite the ongoing VBP pricing pressures in the region. I'll now provide some additional commentary on our businesses. Starting with Urology, which grew 8% in the 4th-quarter and 9% for the full-year and an operational basis grew 20% in 4th-quarter and 13% for the full-year, following the November close of Axonics. Full-year organic growth was fueled by prosthetic urology and stone management, where we had key launches with the Tenasio pump for the AMS 700 and continued success with our expanding portfolio. Prostate Health also performed well in '24 with double-digit growth in RESUME as well as strong performance in Space or we're pleased to have enrolled our first patient in the trial evaluating the safety and efficacy of our spacer hydrogel. In '25, we expect to see continued strong above-market growth for urology and look-forward to further integrating the highly complementary Axonics technologies into our portfolio. Endoscopy sales grew 8% operationally and 7% in the 4th-quarter organically on a full-year basis, grew 9% operationally and 8% organically. Full-year growth was led by double-digit growth in our endoluminal surgery and single-use imaging franchises, along with sustained growth of our Axios platform, where we're investing to drive expanded indications and most recently receiving approval in Japan for Axios for gall bladder drainage. Within endoluminal surgery, we continue to see positive reimbursement wins for our ESG weight-loss procedure with the recent Category 1 CPT code announced and now IFSO, an International Bariatric committee endorsing ESG with guideline updates. Neuromodulation sales grew 12% operationally and 5% organic in Q4 and a full-year basis grew 14% operationally and three organically. Our brain franchise grew mid-single digits in both the quarter and on a full-year basis and our pain franchise grew mid-single digits in the quarter and low-single digits for the year. Within deep brain stimulation, we expect improving growth in 2025 with the recent FDA and CE market approvals of our unique Cartesia X and HX leads, the first and only 16 contact directional leads that deliver precise personalized therapy. We also expect higher-growth in our pain franchise in '25, driven by continued strong momentum at Intracept and the recently released data supporting safety, effectiveness and durability through five years now. Cardiology delivered an exceptional quarter and year with sales growing 32% in the 4th-quarter and 25% for the full-year. Within cardiology, interventional cardiology therapies, sales grew 10% in the 4th-quarter and 11% for the full-year. And on a full-year basis, the coronary therapies franchise growth was driven by strong global performance in our imaging and complex PCI franchises and earlier momentum with the US launch of Agent DCB, which now has additional reimbursement in the outpatient setting. In addition, we recently-announced our agreement to acquire Bolt Medical, an intravascular platform for treatment of coronary and peripheral artery disease. Bolt's IVL technology is highly synergistic with our existing suite of devices in complex PCI, imaging and portfolios in both ICTX and PI, and we're excited to close the Bold acquisition, which we expect to do so in the first-half of this year. Our structural hard valves franchise grew double-digits for the full-year and low-single digits in 4th-quarter. During 4th-quarter, we launched our next-generation prime valve in Europe, which features frame enhancements, a simplified deployment mechanism and includes a larger valve size. Watchmen sales grew 20% in 4th-quarter and 19% on a full-year basis. US 4th-quarter growth of 20% was -- was bolstered by an increase in concomitant procedures enabled by the new DRG, which became effective in October and positive data from our option trial demonstrating similar stroke risk reduction with superior bleed risk reduction versus OECs in high-risk patients following AF ablation. These positive outcomes from Option were reaffirmed by data in the concomitant subset of patients, which was recently presented at the AF Symposium. We're pleased with the performance of our WATCHMAN business in 2024 and expect this market to continue to grow approximately 20%, driven by concomitant procedures, ongoing clinical evidence and our initiatives to drive patient awareness and physician training. Cardiac rhythm management sales grew 3% in the quarter and on a full-year basis. Our diagnostics franchise grew double-digits on a full-year basis outpacing market growth, driven by our implantable cardiac monitors with early contribution from our Lux DX2 launch in Europe. In core CRM in both 4th-quarter and on a full-year basis, both our high-end and low voltage business grew low-single digits. And as we look-ahead, we're excited to bring our Empower Leaveless pacemaker and modular CM system to-market in '25, likely in the second-half of the year. Electrophysiology sales grew 172% in 4th-quarter and 139% on a full-year basis. Has continued to lead the transformation of the AFIB market, surpassing $1 billion in revenue in 2024 globally with over 200,000 patients treated, and we expect the AF market to continue to rapidly convert to PFA in '25 and beyond driven by FARAPULSE. Exceptional 4th-quarter sales performance was driven by uptake in the US and Europe as a result of a very strong safety profile, ease-of-use and procedural efficiency, as well as our launches in both Japan and China. Initial feedback on our integrated system of NAV on our OPAL mapping system, which we launched during the 4th-quarter in the US has been very positive. We expect to continue to enhance our capabilities in this segment of the market, including with our recently closed acquisition of Cortex, an advanced AF mapping solution. We continue to build a best-in-class compendium of clinical evidence, including the recent results of Phase-1 of the Advantage AF trial. With data demonstrating positive outcomes using and persistent NAF patients meeting the primary endpoint for efficacy and safety with zero instances of stroke, home stenosis, esophageal injury or major access complications. We expect an updated label for persistent AF in the second-half of the year. And in the coming weeks, we expect to complete the enrollment of Avant-garde evaluating the safety and efficacy of FARAPULSE as a first-line treatment for persistent AF compared to anti-arhythmic drug therapy. Additionally, we anticipate data to be presented in the first-half of this year from Phase-2 of the Advantage AF trial evaluating, which is our point-by-point PFA ablation catheter, which is expected to support US-FDA approval by year-end '25. Turning to Interventions, 4th-quarter sales grew 22% operationally and 12% organically on a full-year basis, grew 15 operationally and 11% organic. Our interventional oncology and embolization franchise excelled again in Q4 with double-digit growth across the entire product portfolio and growing mid-teens for the full-year. Expanding clinical evidence for new indications continues to be a focus area. We're pleased to have completed enrollment in the first phase of the Frontier trial, which is an early feasibility study for the use of therasphere to treat recurrent polioblastoma. Additionally, we look-forward to closing our acquisition of, expect in the first-half of 2025, which will broaden our interventional oncology offerings to patients with liver cancer. Within our vascular franchise on a full-year basis, we saw high single-digit arterial performance, led by double-digit growth in our drug leaving portfolio and mid-single-digit venous growth led by Verathena and our clot management portfolio. On a standalone basis, the silic business grew double-digits for the full-year and we're pleased to recently share the 30-day results from the Roadster 3 study, which demonstrate the safety and effectiveness of TCAR for patients with standard surgical risk. So in closing, I'm very proud of our global team and what we're able to accomplish in 2024, resulting in-full year organic growth of 16%, adjusted EPS growth of 22%. We're very excited about the future of Boston Scientific and remain focused on our talent while enhancing our culture that is relentless in driving differentiated results. With that, I'll pass it off to Dan to provide more details on the financials.

Daniel J. Brennan
Executive Vice President and Chief Financial Officer at Boston Scientific

Thanks, Mike. 4th-quarter 2024 consolidated revenue of $4.561 million represents 22.4% reported growth versus 4th-quarter 2023 and includes a 70 basis-point headwind from foreign-exchange, which was unfavorable versus our expectations. Excluding this $26 million foreign-exchange headwind, operational revenue growth was 23.1% in the quarter. Sales impact from closed acquisitions contributed 360 basis-points, resulting in 19.5% organic revenue growth exceeding our 4th-quarter guidance range of 14% to 16%. Q4 2024 adjusted earnings per share of $0.70 grew 26% versus 2023, exceeding the high-end of our guidance range of $0.64 to $0.66, primarily driven by our strong sales performance and favorable tax results in the quarter. Full-year 2024 consolidated revenue of $16,747 million represents 17.6% reported growth versus full-year 2023 and includes a 90 basis-point headwind from foreign-exchange. Excluding this $127 million headwind from foreign-exchange, operational revenue growth for the year was 18.5%. Sales from closed acquisitions contributed 210 basis-points, resulting in 16.4% organic revenue growth exceeding our guidance range of approximately 15%. Full-year 2024 adjusted earnings per share of $2.51 grew 22% versus 2023, exceeding the high-end of our guidance range of $2.45 to $2.47. These results include a $0.05 headwind from FX, which was slightly unfavorable to our expectations. Adjusted gross margin for the 4th-quarter was 70.6%, which represents a 20 basis-point sequential improvement versus the 3rd-quarter and results in-full year 2024 adjusted gross margin of 70.3%. In 2025, we anticipate our full-year adjusted gross margin will improve versus the full-year 2024 and contribute to our adjusted operating margin expansion goals. 4th-quarter adjusted operating margin was 27.4%, resulting in a full-year 2024 adjusted operating margin of 27.0%, improving 70 basis-points versus the full-year 2023. We expect to expand adjusted operating margin in 2025 by another 50 to 75 basis-points, balancing differentiated operating margin expansion while making targeted investments to fuel long-term top-line growth. On a GAAP basis, 4th-quarter operating margin was 14.8%, resulting in a full-year reported operating margin of 15.5%. Moving to below-the-line, 4th-quarter adjusted interest and other expenses totaled $87 million, resulting in-full year adjusted interest and other expenses of $301 million, in-line with our expectations. On an adjusted basis, our tax-rate for the 4th-quarter was 10.5% and 11.9% for the full-year 2024, including favorable discrete tax items and the benefit from stock-compensation accounting. Our operational tax-rate was 12.3% for the 4th-quarter and 13.2% for the full-year, again in-line with expectations. Fully-diluted weighted-average shares outstanding ended at 1,490 million shares in Q4 and 1,486 million shares for the full-year 2024. Free-cash flow for the quarter was $1,181 million with $1,456 million from operating activities, less $275 million in net capital expenditures, which include payments of $177 million related to acquisitions, restructuring, litigation and other special items. Full-year 2024 free-cash flow was $2,648 million, exceeding our expectations and importantly, achieving 71% free-cash flow conversion for the year. For 2025, we expect full-year free-cash flow to be in excess of $3 billion. As of December 31 December 2024, we had cash-on-hand of $414 million and our gross debt leverage ratio was 2.2 times. Our top capital allocation priority remains strategic tuck-in M&A, followed by annual share repurchases. Our legal reserve was $326 million as of December 31, representing a $76 million increase versus Q3 2024, $50 million of this reserve is already funded through our qualified settlement funds. I will now walk-through guidance for Q1 and the full-year 2025. We expect full-year 2025 reported revenue growth to be in a range of 12.5% to 14.5% versus 2024. Excluding an approximate 100 basis-point headwind from foreign-exchange based on current rates, we expect full-year 2025 operational growth to be in a range of 13.5% to 15.5%. Excluding a 350 basis-point contribution from closed acquisitions, we expect full-year 2025 organic revenue growth to be in a range of 10% to 12% versus 2024. We expect first-quarter 2025 reported revenue growth to be in a range of 17% to 19% versus the first-quarter of 2024, excluding an approximate 100 basis-point headwind from foreign-exchange based on current rates, we expect first-quarter 2025 operational revenue growth to be in a range of 18% to 20%, excluding a 400 basis-point contribution from closed acquisitions, we expect first-quarter 2025 organic revenue growth to be in a range of 14% to 16% versus 2024. As we indicated on our October call, we had one more business day-in the 4th-quarter of 2024, which was worth approximately 200 basis-points. In the first-quarter of 2025, we have one less business day, again worth approximately 200 basis-points. When adjusting for the impact of business days, the high-end of our first-quarter 2025 guidance range is in-line with 4th-quarter 2024 organic revenue growth. We expect full-year 2025 adjusted below-the-line expense to be approximately $425 million. Under current legislation, including enacted laws and issued guidance, we forecast a full-year 2025 operational tax-rate of approximately 13.5% and an adjusted tax-rate of approximately 12.5%. This includes a benefit from the accounting for stock-compensation, which we expect will be largely recognized in the first-quarter, resulting in a forecasted Q1 2025 adjusted tax-rate of approximately 11.5%. We expect full-year adjusted earnings per share to be in a range of $2.80 to $2.87, representing growth of 12% to 14% versus 2024, including an approximate $0.05 to $0.06 headwind from foreign-exchange, which is in-line with what we saw in 2024. We expect first-quarter adjusted earnings per share to be in a range of $0.66 to $0.68. As it relates to tariffs, we do not have significant levels of manufacturing in or sourcing from Mexico, Canada or China. As such, while the recent executive actions relative to these countries could present a minor headwind for the year, we view these headwinds as manageable and they've been contemplated in our guidance ranges. In closing, I'm extremely proud of what our global team delivered for 2024 financial performance and look-forward to executing on our full-year 2025 guidance of 10% to 12% organic revenue growth, 50 to 75 basis-points of adjusted operating margin expansion and 12% to 14% adjusted EPS growth. For more information, please check our Investor Relations website for Q4 2024 financial and operational highlights, which outlines more details on Q4 results and 2025 guidance. And with that, I'll turn it back to John who moderate the Q&A.

Jonathan Monson
Senior Vice President, Investor Relations at Boston Scientific

Thanks, Dan. Drew, let's open it up for questions for the next 35 minutes or so. In order for us to take as many questions as possible, please limit yourself to one question. Drew, please go-ahead.

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Operator

We will now begin the question-and-answer session. To ask a question, you may press star then 1 on your telephone keypad. If you are using a speakerphone, please pick-up your handset before pressing the keys. If at any time your question has been addressed and you'd like to withdraw your question, please press star then 2. Again, please limit yourself to one question. At this time, we will pause momentarily to assemble our roster. The first question comes from Robbie Marcus with JPMorgan. Please go-ahead.

Robert Marcus
Analyst at J.P. Morgan Securities

Oh, great. Good morning and congratulations on a really good 4th-quarter. I wanted to ask on PFA and Watchmen. You had very good fourth quarters here, saw a slight tick-up in US growth in. Would love to get your thoughts on sort of what you saw during the quarter after concomitant reimbursement kicked-in October 1 and the option trial and how you're thinking specifically about those products throughout 2025, given their two-year better margin products and the implications. Thanks a lot.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Thanks, Robbie. Yeah, we have excellent momentum in both and WATCHMAN and increasing momentum, I would say. With Watchmen, we did see a bit of a benefit at the end-of-the 4th-quarter with the concomitant news, which reconfirmed based on the option trial data, safety and efficacy with the reimbursement. We saw a little bit of uptick. As we stated before, we think the concomitant reinforces the 20% market CAGR for 2025, and we'll be excited about the option readout in the first-half of 2026. So we're well-positioned with WATCHMAN. And we obviously continue to invest in our product portfolio, clinical evidence, our clinical teams around the world to fully maximize the concomitant opportunity and obviously with the momentum of FARAPULSE and our broader rhythm management portfolio ideally becoming the partner of choice for AFIB and electrophysiologists. The FARAPULSE, I think the numbers pretty stand-out. Tremendous growth is the biggest transformation that I've seen in MedTech, over $1 billion globally in one year. We launched less than a year-ago in the US so that the execution of our commercial teams has been strong. The execution of our supply-chain, operations, manufacturing to stay ahead of demand has really been impressive and we don't anticipate demand -- or I'm sorry, supply challenges given the investments that we made throughout the year. And so we're excited about our competitive position with FARAPULSE in 2025. You've seen the clinical data. And it's a bit -- a bit unclear as to the competitive landscape in 2025, but we put that aside and we push every day-to invest in our commercial execution, our R&D, and we want to become the clear leader as we are now in PFA as PFA is really transforming this market.

Robert Marcus
Analyst at J.P. Morgan Securities

Appreciate it. Thanks a lot.

Operator

The next question comes from Larry Biegelsen with Wells Fargo. Please go-ahead.

Lawrence Biegelsen
Analyst at Wells Fargo Securities

Good morning. Thanks for taking the question and I'll echo my congratulations. Obviously, a stellar quarter and a year. Mike, and Dan, I was hoping to ask one kind of long-term question. At JPMorgan, you increased your weighted-average market growth to 9% in 2026 and I know you expect to grow faster than your end-market. So does this imply you see Boston as at least a 9% grower in 2026? And can you grow EPS double-digits next year with the tax-rate increasing, Dan, 200 to 300 basis-points? Thanks a lot.

Daniel J. Brennan
Executive Vice President and Chief Financial Officer at Boston Scientific

Sure. And obviously, we're not going to give any specific guidance relative to anything beyond 2025. But I think safe to assume, as we've done over the last decade very well as a team, we seek to outgrow our end-markets. So as those grow at an increasing rate, we still look to outgrow those markets. So I would stay-tuned as we get through the year, potentially have an Investor Day at the end of this year and then reset those goals for the long-term. But we're excited, if you look over the last decade to see the increase in that WAMGER very intentionally over that timeframe with both internal investments as well as smart tuck-in acquisitions to get to that 9% by 2026. Relative to double-digit EPS, again, I point to the track-record, extremely strong record of double-digit adjusted EPS growth. That's always the goal. We'll see what happens to the tax-rate. That could be obviously a fluid environment in Washington. So if there's even an increase in that tax-rate, our goal will still be to get double-digit EPS growth in '26 and beyond.

Lawrence Biegelsen
Analyst at Wells Fargo Securities

Thanks, Dan.

Operator

The next question comes from Rick Wise with Stifel. Please go-ahead.

Frederick Wise
Analyst at Stifel Nicolaus & Co., Inc.

Good morning, everybody, and thanks for the great quarter. Maybe it's one and a quarter of a question. You typically start the year in what I like to call prudently conservative fashion in recent years. Maybe you can help us better understand where the upsides and where the risks are? And should we view this as another attempt to start the year in a thoughtfully, prudently conservative fashion? And related to that,, how are you thinking about competition on the PFI side coming in? What's dialed into your guidance as of this point? Thank you.

Daniel J. Brennan
Executive Vice President and Chief Financial Officer at Boston Scientific

Rick, you certainly want us to be thoughtful and prudent, which we always are our guidance and we have a nice track-record of delivering on our commitments. So I would say that's the same strategy as we provided the guide in 2025. Clearly, the company has a lot of momentum. I would say we do have more tailwinds than headwinds. When you think about the tailwinds, there's a lot of momentum across every region. You obviously know about the momentum in the US and we're early days of our launch in Japan and China, we dominant, really a big shout-out to our coronary team, ICTX with agent launch and other businesses like IO growing mid-teens in our PI Neuromod business, all very solid growth and we expect Neuromod to be above-market in 2025. So strong momentum there. On the tailwind side, there could be stronger PFA competition in 2025. A lot of that is out of our hands. But we -- as I said before, we're focused on driving forward relentlessly every day. China DBP is more extensive this year in '25 than it has been in the past. But despite that, we expect to grow kind of mid-teens in China in 2025, but that will be a little more difficult for us this year. And there are also some continuing strengthening lower-cost competitors, I would say, for some of our businesses in Asia and in Europe. And the team focus on our portfolio and innovation to counteract that, but that is a bit of a headwind for us in our endo and Euro business. But overall, we feel overall that we certainly -- we do have more tailwinds and headwinds, and we're looking-forward to the year.

Frederick Wise
Analyst at Stifel Nicolaus & Co., Inc.

Thank you.

Operator

The next question comes from Joanne Wuensch with Citibank. Please go-ahead.

Joanne Wuensch
Analyst at Smith Barney Citigroup

Good morning and nice end to the year. I want to spend just a little bit of time talking about margins. Interesting commentary on gross margins being additive to the operating margin expansion. Sort of curious how do you think about managing that? And I'm going to sneak in a cash-flow question. You're kicking out a lot of cash. How do you think about investing it? Thank you.

Daniel J. Brennan
Executive Vice President and Chief Financial Officer at Boston Scientific

Sure, Joannek, I can take that. I'll tell you what I really like about 2025 is the equation for the operating margin expansion. We've done it very well over the last decade each year with a variety of different scenarios. But I think one of the optimal scenarios is where gross margin goes north, SG&A, you get leverage. And then I think in 2025, you might actually see a little bit of an uptick in R&D spend as a percentage of sales. I think that's a winning hand for how to increase operating margin overall. And so in our 50 to 75 basis-points, I'd look for gross margin to get better versus the 70.3% that we put up in 2024. I'd look for SG&A on the 10% to 12% sales growth to improve its leverage there and deliver margin expansion. And then again on R&D, not a significant increase, but maybe 20 30 basis-points of an uptick in R&D to continue to help to fuel the top-line growth for the long-term. I think that's a great -- great equation for '25 for margin expansion. Cash-flow, you saw and you heard in the commentary, we got to 71% free-cash flow conversion. That wasn't by accident. That's a tremendous effort by the entire global team on reducing DIOH, reducing DSO, strong working capital management and of course, obviously, significant growth in operating income. In terms of our capital allocation strategy, no change. It's worked well for us again over the last decade to have the number-one priority for use of our cash to be high-quality tuck-in, innovative M&A. That will continue and then annual share repurchase after that. We ended the year at 2.2 times debt after the Axonics and Silk Road acquisitions. So we're in a real great spot to continue to do that strategy and execute that strategy in '25 and beyond.

Joanne Wuensch
Analyst at Smith Barney Citigroup

Terrific. Thank you.

Operator

The next question comes from David Roman with Goldman Sachs. Please go-ahead.

David Roman
Analyst at The Goldman Sachs Group

Thank you. Good morning, everybody. I wanted just to dive into some of the different drivers here around the EP business. Clearly, on the side, you've seen huge conversion on that de novo paroxysmal segment of the market. But as you gain a persistent indication and then also launch exiting 2026. Can you maybe help us think about the segment of the market that you're not able to address today and how much market becomes available to you with and the persistent indication? And then maybe as a corollary to that, help us think through kind of the mapping strategy given your installed-base relative to the other two participants in the market and how you're thinking about remaining an open platform versus a potentially looking to become more closed on as some of your peers are.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

I will turn it over to Dr Stein here.

Kenneth Stein
Senior Vice President and Global Chief Medical Officer at Boston Scientific

Yes. Thanks. Thanks, David. I'm going to start with the mapping strategy first. Again, I guess as you point out, right, we intend to maintain an open platform. We don't need to force people to use our open mapping system. And I think it's actually really important as we look both at how the business evolves globally as well as we look at potential future moves into like an ASC type environment to be able to support doing cases without mapping, to be able to support doing cases with competitive mapping systems, but also to provide differentiated features within OPAL and our software package that I think really provide the best possible solution for people who want to map their cases. And even though it's early into the launch of FARAWAVE NAV and FARAVU in the US, we've really been very pleased with the feedback that we've gotten thus far. In terms of drivers, I think important to acknowledge, right, that the persistent atrial fibrillation population just in prevalence terms is at least as large and probably larger than the population with atrial fibrillation. I'd also acknowledge that we are already seeing off-label use of FARAPULSE in treating patients with persist nature fibrillation. That's why it was important for us to run trials like Advantage and. I think everyone's seen the data from the Advantage trial all of our endpoints in terms of safety and efficacy in treating persistent atrial fibrillation. And so we do anticipate getting that label by the end of this year. And beyond that, right, then the next drivers in terms of at least expanding our labeling, as you say, getting FARAPOINT to be used as an adjunct for the treating atrial flutter in-patients who are undergoing ablation for atrial fibrillation, avant-gard moving to first-line therapy and also our REMATCH trial, which will qualify labeling beyond de novo use, but use in-patients who are undergoing repeat procedures

David Roman
Analyst at The Goldman Sachs Group

Very helpful. Thanks so much.

Operator

The next question comes from Travis Steed with Bank of America. Please go-ahead.

Travis Steed
Analyst at BofA Securities

Hey, congrats on the quarter and also thanks for posting the slide deck early-on. That was really helpful. I wanted to ask about M&A strategy now that you're kind of annualizing kind of $17 billion in revenue and that revenue base is growing so fast, so much faster. Like how do you balance that it's going to take a larger deal to kind of move the needle in such a larger revenue base, but also finding growth accretive deals that now that your baseline growth is so much faster already, just kind of thinking about like how your M&A strategy changes now that you're a bigger company and growing so much faster.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

It doesn't change that much. We're always investing for the long-term of Boston Scientific. We obviously gave '25 guide. But as we've said before at another conference in January, we're investing for products that won't be launched until 29/30 through internal organic M&A through our VC portfolio, which is very extensive. We did nine new investments in our BC portfolio in 2025 and you're aware the tuck-in acquisitions that we've done in '25 have four or five of those. And so the formula remains. We really are focused on increasing our WAMGR, which was Dan talked about earlier, which we anticipate 9% in 2026, growing faster than that WAMGR and consistently quarter-by-quarter, year-over-year, doing everything we can to enhance that WAMGR through those tools of internal R&D, our VC portfolio and tuck-in M&A. So as the company gets larger, it's become larger every year and we continue to find ways to improve our WAMGR and exceed the growth of our WAMGER. So we place a lot of focus and time internally on ensuring that we'll be a differentiated company in 2030 beyond 2025.

Travis Steed
Analyst at BofA Securities

Great. Thank you

Operator

The next question comes from Patrick Wood with Morgan Stanley. Please go-ahead.

Patrick Wood
Analyst at Morgan Stanley & Co. LLC

Beautiful. I'd love to just borden it out a little bit. I appreciate the endoscopy business is kind of singles and doubles, but obviously, you guys have been flagging Apollo ESG. Quite a unique approach and. I'm super curious, even though they're down a bit, there's a chunk of sleeves that are still done in the US and it seems like a way better approach. I'm super curious how you think mid-term, how big that business could be? How are you feeling about the initial launch there? Just anything you got to give us on ESG? I'd love to hear it. Thanks.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Yeah. I would say that ties to the previous question. We're investing in ESG now. We have a dedicated team that our group has organized on the ESG product around Apollo. We have dedicated clinical trials to broaden that indication out and prove the clinical science behind it. We have some recent momentum with CPT codes. So it's a -- it's going to be a nice driver over the long-term for Endo business. It's not going to reshape Boston Scientific or Endo in 2025, but we definitely see the positive support by the physicians, by the industry groups, by the reimbursements were unique and we're likely the only one who can offer the Apollo procedure wrapped around with our other endo tools. So we think this will be a significant growth driver for Endo as you look towards the kind of longer-term in the strap plan.

Patrick Wood
Analyst at Morgan Stanley & Co. LLC

Love it. Thanks for the question.

Operator

The next question comes from Danielle Antalffy with UBS. Please go-ahead. Hey, good morning, everyone.

Danielle Antalffy
Analyst at UBS Securities

Thanks so much for taking the question. Congrats on a really strong year. Just a quick question at a high-level. We talk -- we focus so much on the major growth drivers like FARAPULSE and WATCHMAN. I'm just curious, Mike or Dan, where you think Boston Scientific is either underperforming or under-indexed but see an opportunity or line-of-sight into improving performance over the next year or two that maybe the Street is under modeling or not appreciating? Thanks so much.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Yeah. So most of our businesses did well against the peer group in the market and growing faster than the CAGR. Even if you take-out Watchmen and results, the rest of the businesses grew faster than our WAMGAR. A couple of areas that we want to improve on in 2025. One is the overall performance, which we anticipate will have a nice improvement in '25. With the launch in our DBS platform, we expect that to gain momentum in '25 and the combination of our refocused commercial team in pain and the benefit of relievance. So we do anticipate a better year for Neuromod. We want to strengthen our US CRM. We continue to maintain share, I would say, in terms of a unit volume perspective and high voltage. We don't have the portfolio yet in leaveless Pacemaker, which has a strong higher ASP, which is driving on a dollar basis share loss in Pacer. So we'd like to see improvement in our overall US CRM business. We're launching SICD with leaveless pacemaker in the tail half of 2025, and we'll have increased focus on that business in '25. So we'd like to see some improvements there. And as I mentioned before, we do see some increasing competition in some of our businesses from the lower-cost competitors. So we're challenging our team to continue to drive a lower-cost portfolio so we can serve our global customers more efficiently.

Danielle Antalffy
Analyst at UBS Securities

Thank you for that.

Operator

The next question comes from Michael Polark with Wolfe Research. Please go-ahead.

Michael Polark
Analyst at Wolfe Research

Good morning. Thank you. I want to ask on the TAVR or the structural heart update in the deck, low-single digit growth in the 4th-quarter. Can you just comment on kind of post-accurate IDE? Is that the influence that's driving the there or are there other things you'd call-out? And then maybe for an update on the path in the US for your TAVR franchise? Thank you.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Sure. On the US, we haven't provided any updates. We're still in discussions internally and with appropriate authorities there. So again, similar to other calls, you'll receive an update once we can give you clear direction on that. In Europe, we did see some impact in EU-based on the US trial. But nonetheless, the team did have a strong year in TAVR in Europe and we're launching Prime to centers primarily who are currently users of Accurate today.

Operator

The next question comes from Vijay Kumar with Evercore ISI. Please go-ahead.

Vijay Kumar
Analyst at Evercore Group

Hey guys, thanks for taking my question and congrats on a nice one here. Maybe my one question is around mapping. The -- what percentage of PFA procedures do you think are associated with mapping? And once you launch your mapping technology, when you look at the medium-term, what percentage of your -- of those mapping procedures do you think will be using a Boston solution versus competition?

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Yeah. So I would just reinforce and Ken can comment further. Ken's overall strategy it is an open platform. We do see mapping is a predominant modality, if you will, in the US EU, you see more centers using without mapping. We do see some very-high volume centers in the US for PVI also not mapping. But predominantly, it's a heavy mapping region in the US, a little bit less so, but still quite a bit in Europe and heavy mapping in Japan and China. So as Ken said, we do believe that the OPAL platform is the best platform to optimize the use of FARAPULSE and we'll continue to enhance the OPal platform as we continue to enhance the catheter category and widen that out more. So we think that's the most cost-effective and the most efficient way to use is with. That being said, many physicians are used to competitive mapping systems. So excellent. We'll continue to ensure that they can use competitive mapping systems. On the share percent, we wouldn't speculate there. It's a big investment area for us in terms of technology and physical clinical mappers around the world to continue to enhance that group, put a lot of investment behind that and hopefully, we'll make-good progress in that area in 2025.

Vijay Kumar
Analyst at Evercore Group

Thank you.

Kenneth Stein
Senior Vice President and Global Chief Medical Officer at Boston Scientific

I don't have too much to add to what Mike just said, I'll just reiterate, right, Europe predominant cases are done without mapping today. US vast majority of procedures are done with mapping today, we intend to support all different workflows. Goal is to make things easier for physicians, not harder. And I think what you're going to see over the long-run is right, the simpler the case is, the easier it is to do and more efficient it is to do without any mapping, the more complex the case is, the greater the need for mapping. We believe that we've got some really important differentiated advantages with on OPAL that's also behind our acquisition of Cortex, which is a an AF mapping specifically AF mapping platform for very complex types of atrial fibrillation. And I mean, our goal overall, not just with mapping, but as we look at just EP strategy overall, right, is to provide physicians with the widest possible toolbox so that they have exactly what they need to treat the particular patient who's in front of them.

Vijay Kumar
Analyst at Evercore Group

Thank you, guys.

Operator

The next question comes from Pito Chickering with Deutsche Bank. Please go-ahead.

Philip Chickering
Analyst at Deutsche Bank Aktiengesellschaft

Hey, good morning. Like as you comp out the China VBP and Japanese reimbursement cuts in the back-half of the year, how should those markets be growing in the back-half of this year without those cuts? And can you refresh us on the key drivers in both those markets? Thanks.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Those cuts are happening. So we baked that into our underwrite guide. China is really impressive performance given the VBP, which really is like taking a daily vitamin, just it is. It happens every year, but the team continues to grow nicely above-market and in-line or faster than Boston Scientific in China. So we'll have more VBP tailwinds or headwinds, I guess, this year, but they're overcome by the -- our product launches, FARAPULSE, diversification of our portfolio and greater access to more customers. And it really speaks to the category leadership portfolio strategy we have across the company. So the team there continues to do well. Japan, again, there's typically every other year price cuts in Japan that we know about them, they're built into right guidance. Japan is going to have a really nice year this year with the launch of CARAPULSE.

Daniel J. Brennan
Executive Vice President and Chief Financial Officer at Boston Scientific

And just an operating margin comment on that. So even with -- despite the price cuts in those countries, we still ask for and get operating margin improvements in those countries. So like we ask of every business unit that we have. So despite absorbing those price cuts, the operating margin for both those countries you mentioned goes north each year as well

Operator

The next question comes from Josh Jennings with TD Cowen. Please go-ahead.

Joshua Jennings
Analyst at TD Cowen

Hi, good morning. Thanks for taking the question and congrats on the year. I wanted to just might get your views and maybe way too early with the new administration issuing some policy decisions, getting some nominees through the congressional process. Can you just talk about from a high-level, any risk you see to the medical devices sector in general or to Boston Scientific specifically with this new leadership in-place? Thanks for taking the question.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Yeah, it's certainly a dynamic environment. We think our guide as best we can encompasses macro challenges around the world, including, Dan talked about the tariffs, FX is really not a policy name, but tariffs is probably the biggest one, which we think is very manageable. We do aim -- hope that the FTC environment is appropriate. And so maybe that could be a positive for the industry. We'll see on tax reform where that goes. Dan made comments on that. But other than that, MedTech typically hasn't been the tip of the spear for major policy changes over many, many different types of Presidents that we've had. So we feel overall very comfortable with our guidance and how we can manage through that.

Joshua Jennings
Analyst at TD Cowen

Thank you.

Operator

The next question comes from Chris Pasquale with Nephron Research. Please go-ahead.

Christopher Pasquale
Analyst at Nephron Research

Thanks. You talked about the move to concomitant procedures being a growth sustainer rather than a catalyst for faster LA market growth. Our own conversations with high-volume centers suggest many of them are expecting a meaningful uptick in their own procedures as a result of that change. So is there something else that you think really offsets that tailwind? And then maybe for Dr Stein, can you just remind us how you think about the portion of the AF population that is really appropriate for both of these procedures?

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

On the volume side, we'll see over-time. Right now, we're kind of Call-IT a 20% market CAGR as the market gets big larger, larger that along with EP is the best markets you can be in med-tech and we have a unique position in both of them. So I think we're comfortable with the 20% CAGR now and we'll see as the year progresses if that upticks or not. We want to continue to work with customers on productivity and workflow. They have tremendous demands that they have on their labs. There's other technologies and structural heart coming out and so forth. But they're very, very comfortable with WATCHMAN, and the concomitant procedure. So we want to continue to work to make sure we can drive operational effectiveness and productivity for our customers who are -- still have a strong backlog and demand of patients and other technologies coming out. So besides safety and effectiveness, we want to make sure and FARAPULSE, it really is the solution in terms of ease-of-use and procedural efficiency for hospitals.

Kenneth Stein
Senior Vice President and Global Chief Medical Officer at Boston Scientific

Yeah. And Chris, just in terms of who are appropriate candidates for these procedures, again, we're very pleased with the results of option. I think showed really incontrovertibly that the WATCHMAN device is at least as effective as oral anticoagulants in treating high-risk patients after AF ablation of that it is certainly safer in terms of long-term leading risk. We also showed that you can do a concomitant procedure and in a randomized trial that there was no added risk heading Watchmen on to an AF ablation at the same time as the procedure. I think particularly with FARAPULSE given its safety advantages and its efficiency and it really facilitates people doing concomitant procedures. And as you said, we've certainly seen an uptick in concomitant procedures. We still do need to get our label expanded for to allow for use as first-line therapy and people who don't otherwise already have a reason to avoid the long-term use of oral anti-coagons. We will be presenting the champion data in the first-half of next year and as a first-line even in-patients who aren't candidates for AF ablation. Today in the United States, between half and two-thirds of patients undergoing ablation are considered to be at high-risk of stroke. If you look at the chance score, right, which is the scoring system we use, if you use three or higher as your cutoff, that would be about half of patients undergoing AF ablation. I think it's also important to point out when you think about concomitant procedures, there are patients who are undergoing AF ablation who may get their WATCHmen -- they get account of that they might have otherwise gotten. There were also patients who were referred in for a watchman procedure who are now being considered for ablation who might never been considered previously for ablation. Again, just given the safety and efficacy advantages of the FARAPULE system. So I think just to close, again, excited about the concomitant procedure opportunity. Again, we look at our product portfolio as being the best-suited to support that. It's a procedure that's great for patients, right, saves them having undergo two consecutive procedures. It's also great for hospitals and for practitioners.

Christopher Pasquale
Analyst at Nephron Research

That's helpful. Thanks

Operator

I understand there's time for one last question. That comes from Marie Thibault with BTIG. Please go-ahead.

Marie Thibault
Analyst at BTIG Research

Thanks so much for squeezing me in. I wanted to ask a question about a recent acquisition. I saw that interventional oncology and embolization killed it again this quarter. I wanted to understand what's going on in that product segment and understand how the Anterra Oncology acquisition fits into that product segment, how it can help accelerate growth. Thanks so much for taking the questions.

Michael F. Mahoney
Chairman and Chief Executive Officer at Boston Scientific

Yeah. So that division in doesn't get talked about enough. It grew mid-teens for the full-year. It's again, it's in-line with our category leadership strategy that we have across most of our business units. The team had a really excellent launch of our organic R&D program in our embolics portfolio, which has really been a big growth driver for us. Obviously, Y90 does extremely well for us. And so the combination of those two products and the rest of the remaining portfolio that we have gives us the -- the widest portfolio and unique differentiation within there with our Abolic portfolio Y90 to capture high share and partner with customers, much like we do with other businesses. And the acquisition is again another extension for us to widen out into other adjacencies in interventional oncology with the pump portfolio. It gets us closer to the oncologist and we also have additional software enhancements coming to improve the efficiency and workflow of our Y90 coming in 2025. So we want to continue on to other business units to expand into Smart adjacency to accelerate our growth and enable us to partner more closely with the interventional radiologists and ecologist team.

Daniel J. Brennan
Executive Vice President and Chief Financial Officer at Boston Scientific

Great. Well, thanks everyone for joining us today. We appreciate your interest in Boston Scientific. If we are unable to get to your question or if you have any follow-ups, please don't hesitate to reach-out to the Investor Relations team. Before you disconnect, Drew will give you all the pertinent details for the replay. Thanks, everyone.

Operator

Please note, a recording will be available in one-hour by dialing either 1-877-344-7529 or 7-0088 using replay code 397-6753 until February 12, 2025 at 11:59 p.m. Eastern Time. The conference has now concluded. Thank you for attending today's presentation. You may now disconnect.

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