What drove the 58% year-over-year sales increase?

Roughly 33 points came from organic growth, led by exceptional growth in IT datacom and strong growth across most end markets. About 23 points came from acquisitions, primarily CommScope's CCS business, and about 2 points from favorable foreign currency. Communications Solutions grew 88% in U.S. dollars and 47% organically, making it the main growth engine.

Why is GAAP EPS so much lower than Adjusted EPS?

GAAP diluted EPS of $0.72 excludes several items that management treats as non-operational: a $0.22 per-share discrete China tax charge ($290 million total), $0.16 per share of acquisition-related expenses (including backlog amortization and transaction costs), and $0.08 per share of amortization of inventory step-up costs. Excess tax benefits from stock compensation (+$0.04 per share) partially offset these items. Investors should weigh whether the China tax charges represent a recurring or one-time cost.

How significant is the China tax issue?

The company recorded $130 million related to unfavorable determinations from Chinese tax authorities on prior-period positions, with payment notices totaling $230 million received, and $160 million of additional obligations from reassessing tax rate assumptions on prior years. It also accrued $100 million in Q4 2025, bringing the cumulative accrual to $230 million. Management raised its Adjusted Effective Tax Rate to 27.0%, indicating a higher ongoing tax burden beyond the one-time items.

How is Amphenol funding the CommScope acquisition and what does it mean for the balance sheet?

The company issued about $3.6 billion of senior notes and other long-term debt in the quarter and used cash on hand for the remainder of the roughly $10.6 billion acquisition outflow. Total long-term debt rose to $16.6 billion from $14.6 billion, and current debt rose to $2.1 billion. Quarterly interest expense nearly tripled, so the higher leverage will weigh on GAAP earnings unless EBIT growth outpaces it. Cash declined to $4.1 billion, and goodwill and intangibles rose to about $23 billion combined, increasing future impairment and amortization risk.

What is the outlook and how is capital being returned to shareholders?

For Q2 2026, management expects sales of $8.1–$8.2 billion and Adjusted Diluted EPS of $1.14–$1.16, assuming current market conditions and constant exchange rates. GAAP diluted EPS guidance is $1.13–$1.15, with about $0.01 per share of CommScope acquisition costs excluded. In Q1, the company repurchased 1.3 million shares for $178 million and paid $307 million in dividends, totaling about $485 million returned. Free cash flow of $831 million covered these distributions with room to spare, though working capital absorbed $500 million in the quarter.

APH 8-K: Earnings & Results

01—Abstract

Summary

Summary of the 8-K filed April 29, 2026. Cited figures are marked; the original filing is the authoritative source.

Amphenol (APH) reported record first-quarter 2026 results on April 29, 2026, with net sales of $7.62 billion^a, up 58% in U.S. dollars and 33% organically versus Q1 2025.

The growth was driven by strong organic demand across most end markets, particularly IT datacom, plus contributions from acquisitions, most notably the closed CommScope Connectivity and Cable Solutions (CCS) business. Orders reached a record $9.4 billion^b, producing a book-to-bill of 1.24:1, which supports visibility into coming quarters. Operating margin rose to 24.0% on a GAAP basis and 27.3% on an adjusted basis, and Adjusted Diluted EPS grew 68% to $1.06, though GAAP diluted EPS was $0.72, up 24%.

The quality of earnings warrants attention. GAAP results absorbed $290 million^c of discrete China tax items ($0.22 per share), comprised of a $130 million accrual tied to unfavorable determinations on prior-period tax inquiries and $160 million of additional obligations from reassessing tax rate assumptions. Management raised its Adjusted Effective Tax Rate to 27.0%, citing these matters and a continued shift of income to higher-tax jurisdictions.

Acquisition-related costs and inventory step-up amortization also weighed on GAAP results. Net interest expense rose sharply to $207.9 million^d from $76.5 million, reflecting the debt raised to fund the CommScope deal. Long-term debt increased to $16.6 billion, and cash declined to $4.1 billion from $11.1 billion at year-end.

Goodwill and intangibles expanded substantially, creating future impairment and amortization considerations. Looking ahead, management guided Q2 2026 sales to $8.1–$8.2 billion (up 43–45% year over year) and Adjusted Diluted EPS to $1.14–$1.16 (up 41–43%), assuming current market conditions and constant exchange rates.

Free cash flow was $831 million in the quarter, and the company returned about $485 million to shareholders through buybacks ($178 million) and dividends ($307 million). Investors will likely focus on whether organic growth and margins hold as CCS integration progresses, the durability of IT datacom demand, the trajectory of China tax exposure, and the leverage profile following the acquisition.

02—Key points

Key Highlights

Record Q1 2026 sales of $7.62 billion, up 58% in U.S. dollars and 33% organically; acquisitions and FX contributed the remainder of the growth (acquisitions +23%, FX +2%).
Record orders of $9.4 billion produced a book-to-bill of 1.24:1, indicating demand ahead of current sales levels.
Adjusted Operating Margin of 27.3% versus 23.5% a year earlier; GAAP operating margin was 24.0% versus 21.3%.
GAAP diluted EPS of $0.72 (up 24%) versus Adjusted Diluted EPS of $1.06 (up 68%); the gap reflects a $0.22 China tax charge, $0.16 of acquisition-related expenses, $0.08 of inventory step-up amortization, and offsetting stock-comp tax benefits.
Adjusted Effective Tax Rate increased to 27.0% from 24.5%, reflecting the China tax matter and a shift of income to higher-tax jurisdictions.
Q2 2026 guidance: sales of $8.1–$8.2 billion and Adjusted Diluted EPS of $1.14–$1.16, implying 41–45% year-over-year growth.
Leverage and liquidity changed significantly: interest expense rose to $207.9 million from $76.5 million, long-term debt reached $16.6 billion, and cash fell to $4.1 billion from $11.1 billion after the CommScope acquisition, which required about $10.6 billion in net acquisition outflows.

03—Questions

Frequently Asked Questions

What drove the 58% year-over-year sales increase?
Roughly 33 points came from organic growth, led by exceptional growth in IT datacom and strong growth across most end markets. About 23 points came from acquisitions, primarily CommScope's CCS business, and about 2 points from favorable foreign currency. Communications Solutions grew 88% in U.S. dollars and 47% organically, making it the main growth engine.
Why is GAAP EPS so much lower than Adjusted EPS?
GAAP diluted EPS of $0.72 excludes several items that management treats as non-operational: a $0.22 per-share discrete China tax charge ($290 million total), $0.16 per share of acquisition-related expenses (including backlog amortization and transaction costs), and $0.08 per share of amortization of inventory step-up costs. Excess tax benefits from stock compensation (+$0.04 per share) partially offset these items. Investors should weigh whether the China tax charges represent a recurring or one-time cost.
How significant is the China tax issue?
The company recorded $130 million related to unfavorable determinations from Chinese tax authorities on prior-period positions, with payment notices totaling $230 million received, and $160 million of additional obligations from reassessing tax rate assumptions on prior years. It also accrued $100 million in Q4 2025, bringing the cumulative accrual to $230 million. Management raised its Adjusted Effective Tax Rate to 27.0%, indicating a higher ongoing tax burden beyond the one-time items.
How is Amphenol funding the CommScope acquisition and what does it mean for the balance sheet?
The company issued about $3.6 billion of senior notes and other long-term debt in the quarter and used cash on hand for the remainder of the roughly $10.6 billion acquisition outflow. Total long-term debt rose to $16.6 billion from $14.6 billion, and current debt rose to $2.1 billion. Quarterly interest expense nearly tripled, so the higher leverage will weigh on GAAP earnings unless EBIT growth outpaces it. Cash declined to $4.1 billion, and goodwill and intangibles rose to about $23 billion combined, increasing future impairment and amortization risk.
What is the outlook and how is capital being returned to shareholders?
For Q2 2026, management expects sales of $8.1–$8.2 billion and Adjusted Diluted EPS of $1.14–$1.16, assuming current market conditions and constant exchange rates. GAAP diluted EPS guidance is $1.13–$1.15, with about $0.01 per share of CommScope acquisition costs excluded. In Q1, the company repurchased 1.3 million shares for $178 million and paid $307 million in dividends, totaling about $485 million returned. Free cash flow of $831 million covered these distributions with room to spare, though working capital absorbed $500 million in the quarter.

04—Continue

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