R. Adam Norwitt
President and Chief Executive Officer at Amphenol
Well, thank you very much, Craig, and I hope it's not too late to wish everybody here on the call a Happy New Year from frozen Wellingford, Connecticut. And I hope all of you are able to stay warm on this very chilly but beautiful winter day. And as Craig mentioned, I'm going to highlight some of our achievements in the 4th-quarter and the full-year. I'll then discuss our trends across our served markets and then I'll have -- then I'll comment on our outlook for the first-quarter and of course, we'll have time for questions. With respect to the 4th-quarter, the company had a very strong finish to a successful 2024 with sales and adjusted diluted earnings per share both exceeding the high-end of our guidance here in the 4th-quarter. Sales grew by 30% in US dollars and local currencies, reaching a new record of $4.318 million.
And on an organic basis, our sales increased by a very strong 20% with growth across virtually all of our served markets. The company booked just over $5 billion in orders in the 4th-quarter, also a new record for the company and representing another strong book-to-bill of 116 to-1. Orders grew by a very strong 58% from prior year and were also up 14% sequentially. These strong orders were once again driven primarily by data center demand related in particular to artificial intelligence or AI investments by a number of our large customers. We're pleased to have delivered record adjusted operating margins of 22.4% in the quarter, an increase of 120 basis-points from prior year and 50 basis-points sequentially. I would just say that this superior profitability is a direct result of the outstanding execution of the Amphenol team around the world. Adjusted diluted EPS in the quarter grew by 34% from prior year and reached a new record of $0.55. Finally, the company generated record operating cash-flow of $847 million as well as free-cash flow of $648 million in the 4th-quarter, both clear reflections of the quality of the company's earnings. I just have to say that I can't express enough my pride in the Amphenol team.
Our results this quarter once again reaffirmed the value of the discipline and agility of our entrepreneurial organization as we have continued to perform well amidst a very dynamic environment. Now turning to the full-year of 2024, I just want to say that this was a truly successful year for Amphenol. We expanded our position in the overall market, growing sales by 21% in US dollars and local-currency and 13% organically, reaching a new sales record of $15.2 billion. As we cross $15 billion in sales in 2024, our organization is proud that we have grown our sales by 40% just in the last three years and it's a great reflection of our organization's ability to navigate market uncertainties while capitalizing on the broad array of opportunities arising across the electronics industry.
Our full-year 2024 adjusted operating margins reached a record 21.7%, an increase of a full 100 basis-points from prior year. And this strong level of profitability enabled us to achieve record adjusted diluted EPS of $1.89. And finally, we generated record operating cash-flow of $2,815 million and free-cash flow of $2,157 million, clear confirmations of the company's superior execution and disciplined working capital management. Also very pleased that our acquisition program again created great value in 2024. We completed the acquisition of Carlisle Interconnect Technologies, our largest-ever, together with the acquisition of Lutse US and Europe. These acquisitions have collectively added annualized sales of more than $1 billion to the company, while enhancing -- enhancing Amphel's position across a broad array of technologies and bringing outstanding and talented individuals into our family. In addition, as previously-announced, in July, we signed the acquisition for the Andrew businesses from CommScope.
This outstanding acquisition, which we still expect to close here in the first-quarter of 2025, will also strengthen the company's position in the global communications market, while adding incredible technologies and team members to Amphenol. We returned substantial cash to shareholders in 2024, buying back 11.1 million shares under our share repurchase program and increasing our quarterly dividend by 50%. And this represented a total return of capital to shareholders of nearly $1.3 billion. As we enter 2025, I remain excited about the opportunities ahead of us. Our agile entrepreneurial organization has created a new position of strength from the company from which we can continue to drive superior long-term performance.
Now turning to the trends and our progress across our diversified served markets, I would just comment that we're very pleased that the company's end-market exposure remains highly-diversified, balanced and broad. This diversification continues to create great value for Amphenol because it enables us to participate across all areas of the global electronics industry, all while not being disproportionately exposed to the volatility of any given market or application. So turning first to the defense market. This market represented 10% of our sales in the quarter and 11% of our sales for the full-year 2024. Sales in the 4th-quarter grew strongly from prior year, increasing by 16% in US dollars and local-currency. On an organic basis, sales increased by 9% with broad-based growth across virtually all defense applications, and this included in particular space, ground vehicles, avionics, airframe and communications.
Sequentially, our sales increased by 4%, which was in-line with our expectations coming into the quarter. For the full-year 2024, our sales grew by 15% in US dollars and local-currency and by 9% organically. And this reflected our superior operational execution together with growth across really all segments of the defense market. I would just note here that our growth in 2024 was particularly strong in Europe and that reflected our broad and leading position across the many countries there who are increasing their defense spending. Looking into the first-quarter, we expect sales to remain roughly at these levels. And we remain encouraged by the company's leading position in the defense interconnect market, where we continue to offer the industry's widest range of high-technology products.
Amidst the current dynamic geopolitical environment, countries around the world are expanding their spending on both current and next-generation defense technologies. With our investments in the development of a broad array of new products as well as in the capacities to build them around the world, we're well-positioned to capitalize on this long-term demand potential. The commercial air market represented 6% of our sales and for the full-year 2024 and in the 4th-quarter, sales grew by a strong 137% in US dollars and local-currency. And on an organic basis, our sales increased by 18% from prior year, and this was really driven by broad-based strength with virtually all commercial aircraft manufacturers.
Sequentially, our sales grew as expected by 7% from the 3rd-quarter. For the full-year 2024, our sales increased by 86% in US dollars and local-currency as we benefited from the acquisition of CIT as well as from strong underlying growth in the market. And in fact, organically, our sales increased by 15% from prior year, and that really did reflect our robust design-in position on a broad range of jetliner platforms. Looking into the first-quarter, we expect sales to moderate in the mid to-high single-digit range sequentially. I'm just really proud of our team working in the commercial air market. With the ongoing growth and demand for aviation, our efforts to expand our product offering both organically and through our acquisition program are paying real dividends.
We continue to see great long-term opportunities for our technology offering in this important market, and we look-forward to realizing the benefits of our growth initiatives for many years to come. Now turning to the industrial market, this market represented 23% of our sales in the 4th-quarter and 24% for the full-year 2024. Our sales in the quarter grew by 26% in US dollars and local-currency from prior year. And on an organic basis, we were pleased that sales grew by 6% from prior year with growth in instrumentation, alternative energy, battery and electric heavy vehicles, medical as well as rail mass-transit applications.
On a sequential basis, our sales grew by 3%, which was better than our expectations coming into the quarter. For the full-year 2024, sales grew by 14% in US dollars and local-currency as we benefited from the impact of our acquisitions. Organically, sales declined by 2% from prior year as strength in railmass transit, alternative energy and medical applications were more than offset by moderations in other markets. Looking into the first-quarter of 2025, we now expect sales to decline in the low-single digits from these 4th-quarter levels. I will say that in 2024, despite the overall market moderation, we did continue to expand our range of products and capabilities in-service of the diversified global industrial market.
Demand did moderate in particular in Europe this year, but we remain encouraged by the company's strength across the many diversified segments of this important market. As demand now begins to improve, I'm confident that our long-term strategy to expand our high-technology interconnect antenna and sensor offering both organically and through complementary acquisitions has positioned us to capitalize on the many electronics revolutions that will no doubt continue to occur across the industrial market. The automotive market represented 18% of our sales in the quarter and 20% of our sales for the full-year.
Sales in the 4th-quarter were down by 3% in US dollars, local currencies and organic and that was really driven particularly by lower demand from European customers, which more than offset organic growth in North-America and Asia. Sequentially, our automotive sales increased by 1%, which was a bit better than our expectations coming into the quarter. For the full-year 2024, our sales increased by 6% in US dollars and local currencies and by 4% organically, and this was driven particularly by strong performance in North-America and Asia, which was partially offset by reduced demand in Europe. Looking into the first-quarter of 2025, we expect a seasonal moderation in sales from this quarter's levels. I just want to say that I'm really proud of our team working in the automotive market.
While there are clearly some uncertainties in the market, in particular in Europe, our team remains focused on driving new design-wins with customers who are implementing a wide array of new technologies into their vehicles. And this includes everything from electrified drivetrains to a whole multitude of other exciting applications that we're working on. And we look-forward to benefiting from our strong position in the automotive market for many years to come. The mobile devices market represented 10% of our sales in the quarter and 9% of our sales for the full-year. In the 4th-quarter, our sales grew by a robust 15% in US dollar, local-currency and organically as strong growth in smartphones, laptops and wearables was only partially offset by a moderation in sales into tablets.
Sequentially, our sales increased by 7%, which was much better than our expectations coming into the quarter. And for the full-year, I'm really pleased that our sales in the mobile devices market increased by 11% in US dollars and organically, and this was driven by growth in virtually all mobile device applications. As we look into the first-quarter of 2025, we do anticipate a typical seasonal sequential decline in the sort of mid-30% range.
I'm very proud of our team who is working in the always dynamic and volatile mobile devices market as their agility and reactivity have once again enabled us to capture incremental sales here in the 4th-quarter. And I'm confident that with our leading array of antennas, interconnect products and mechanisms designed in across a broad range of next-generation mobile devices that we're positioned very well for the long-term. The IT Datacom market represented 27% of our sales in the 4th-quarter and 24% of our sales for the full-year. Sales in this market grew by a very strong 76% in US dollar local-currency and organically. And this was driven by the continued acceleration in-demand for our products used in AI applications together with continued growth in our base IT Datacom business.
On a sequential basis, sales increased by 17% from the 3rd-quarter, substantially better than our expectations coming into the quarter. This sequential growth was driven essentially by growth in AI-related applications. For the full-year 2024, our sales in the IT datacom market grew by a very strong 57% in US dollars and 56% organically as we benefited from strong demand for AI-related applications as well as growth in our non-AI IT Datacom business. Looking ahead, we expect a further mid-single-digit sequential increase in sales in the first-quarter as investments in AI-related data centers continue to accelerate.
We are more encouraged than ever by the company's position in the global IT datacom market. Our team continues to do an outstanding job securing future business on next-generation IT systems, particularly those enabling AI. But this revolution in AI continues to create a unique opportunity for Amphenol given our leading high-speed and power interconnect products. And really whether high-speed power or fiber-optic, our products are critical components in these next-generation networks and this creates a continued long-term growth opportunity for. Now turning to the broadband and the mobile networks markets, I just want to note that with the pending acquisition of the Andrew businesses from CommScope, that effective in the first-quarter of 2025 and going-forward, we will combine the broadband and mobile networks markets into one market that we will refer going-forward to as the communications network market. The broadband market represented 3% of our sales in the 4th-quarter and 3% for the full-year 2024.
Sales in the 4th-quarter grew by 10% in US dollars and 11% in local-currency and organic as demand from broadband operators improved. On a sequential basis, our sales increased by a very strong 14%, which was well-ahead of our expectations for actually a high single-digit sales decline. For the full-year 2024, sales in the broadband market were down by 11% in US dollars, local-currency and organically and -- and that was driven really by a moderation in broadband operator spending. The mobile networks market represented 3% of our sales in the 4th-quarter and 3% for the full-year 2024. Sales in the 4th-quarter increased by prior year-by a strong 25% in US dollars and local-currency and 21% organically as we benefited from increased spending by mobile network operators as well as wireless equipment manufacturers. Sequentially, our sales decreased by 4%, but this was much better than our expectations coming into the quarter.
And for the full-year 2024, sales grew by 11% from prior year and 5% organically and this was driven by a strengthening in the mobile networks market in particular in the second-half of the year. So now looking ahead to the first-quarter, we expect the newly named communications networks market to see a mid-teens decline in sales from these strong 4th-quarter levels. And as a reminder, this guidance excludes the impact of acquisitions that have not yet closed and therefore excludes the impact of the Andrew acquisition that we still expect to close-in the first-quarter.
I would just say that we're very well-positioned with customers across the communications networks market, and we look-forward to continuing to support our OEM and service provider customers in 2025 and beyond. Our teams around the world are working aggressively to realize the benefits of our efforts to expand our position in next-generation technologies. And we look-forward to the increased potential that comes from Amphenol's unique position with both equipment manufacturers and mobile service providers. As we look-forward to welcoming the Andrew team to Amphenol, we remain poised to further build-on our position as mobility technology innovation continues to accelerate.
Now turning to our outlook and obviously assuming the continuation of current market conditions as well as constant exchange rates, for the first-quarter, we now expect sales in the range of $4 billion to $4.100 million and adjusted diluted EPS in the range of $0.49 to $0.51. This guidance would represent sales growth for the first-quarter or from the first-quarter of 2024 of 23% to 26% and adjusted diluted EPS growth of 23% to 28%. And I would just reiterate here that I remain confident in the ability of our outstanding management team to adapt to the many opportunities and challenges in the current environment and to continue to grow Amphenol's market position while driving sustainable and strong profitability over the long-term. And finally, I would like to take this opportunity to thank our entire global team around the world for their truly outstanding efforts here in the 4th-quarter and in the full-year 2024.
And with that, operator, we'd be happy to take any questions.