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ASML secured U.S. clearance for its approximately $1.6 billion, all-stock purchase of Silicon Valley Group (SVG) by accepting a package of national-security conditions. The central commitment was to make a good-faith effort to sell Tinsley Laboratories, SVG’s defense- and space-related optical-polishing subsidiary, within six months. If Tinsley could not be sold, it would remain subject to security restrictions imposed under the agreement with the Committee on Foreign Investment in the United States (CFIUS).
ASML also agreed to protect sensitive technology, follow U.S. export controls, limit access to sensitive information by non-U.S. citizens unless cleared by the U.S. government, preserve U.S. operations and investment, provide advance notice of certain divestitures, add a U.S. citizen to its advisory board and submit compliance reports twice a year. Some of those details came from chief executive Doug Dunn’s account reported by EE Times; ASML’s public releases did not disclose the complete agreement.
The deal that triggered the review
ASML and SVG announced their definitive merger agreement on October 2, 2000. The transaction was valued at approximately €1.8 billion, or $1.6 billion, and was structured as an all-stock acquisition. SVG shareholders were to receive 1.286 ASML ordinary shares for each SVG share, and SVG would become a wholly owned ASML subsidiary. ASML’s announcement described the combination as creating the world’s leading lithography-equipment supplier at the time.
The corporate structure matters. ASML was the Dutch acquirer; SVG was the U.S. target; Tinsley Laboratories was an SVG subsidiary; and SVG Lithography was another U.S. operation whose facilities and technology became part of the commitments.
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Why CFIUS focused on Tinsley
The review took place under the Exon-Florio process, the U.S. national-security mechanism then used to examine foreign acquisitions of American companies. CFIUS inquiries centered on Tinsley’s optical-lens-polishing operation and its limited defense-related work. ASML and SVG initially withdrew their filing in January 2001 to address government questions, then refiled. ASML said Tinsley was the focus of the inquiries, while a later release documented the 45-day review stage.
By April 24, 2001, the matter had reached the presidential-review stage contemplated by Exon-Florio. That procedure called for a decision within 15 days. The process delayed the transaction but did not prohibit it.
The commitments ASML accepted
The table separates obligations confirmed in ASML’s public announcement from additional terms described by Dunn in a contemporaneous EE Times report. The latter should not be treated as a verbatim public copy of the CFIUS agreement.
| Commitment | What it meant | Public basis |
|---|---|---|
| Six-month Tinsley process | ASML would spend six months exploring strategic alternatives and make a good-faith effort to sell Tinsley to an acceptable buyer. | ASML, May 3, 2001 |
| Fallback restrictions | If Tinsley could not be sold during that period, it could remain under ASML ownership only while operating under CFIUS-mandated restrictions. | ASML, May 3, 2001 |
| Immediate security measures | Sensitive Tinsley technology would be protected while a sale was pursued. | Dunn account reported by EE Times |
| Export-control compliance | ASML would comply with U.S. export-control rules covering technology and equipment from Tinsley, SVG and SVG Lithography. | EE Times report |
| Controlled information access | Non-U.S. citizens would need U.S. government clearance to access sensitive information at Tinsley and SVG Lithography. This was not a blanket ban on foreign employees. | EE Times report |
| U.S. facilities | SVG Lithography’s U.S. research, development and production operations would be maintained for a multiyear period described by Dunn as between five and 10 years; the precise term was not disclosed. | EE Times report |
| U.S. investment | ASML would make minimum U.S. investments tied to a percentage of sales for a specified period. The amount and duration were not publicly stated. | EE Times report |
| Divestiture notice | The U.S. government would receive 40 days’ advance notice of proposed divestitures involving certain SVG, SVG Lithography or Tinsley operations. | EE Times report |
| U.S. board representation | ASML would add a U.S. citizen to its advisory board. | EE Times report |
| Compliance reporting | ASML would provide the U.S. government with reports twice a year on compliance. | EE Times report |
What the agreement did—and did not—do
This was a negotiated remedy, not a forced sale of SVG or a ban on the merger. ASML preserved the broader lithography transaction while separating or restricting the business that raised national-security concerns.
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Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →The six-month provision also was not an automatic day-one divestiture condition. ASML had time to seek a suitable buyer. Only if that effort failed would the fallback restrictions govern continued ownership.
The public record does not establish the precise investment threshold, the exact duration of every U.S. operating commitment, the full access-control procedures, the complete list of businesses covered by the 40-day notice rule or the detailed content of the twice-yearly reports. Those points should be presented as reported commitments, not as fully published agreement text.
Tinsley was small financially but important strategically
ASML said Tinsley generated about $17 million in fiscal 2000, roughly 2% of SVG’s total revenue. Dunn was reported as saying that Tinsley employed about 120 people. Its modest financial scale did not make its capabilities unimportant: optical polishing had defense and space applications, making technology protection more significant than the subsidiary’s contribution to SVG’s sales.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How the transaction was resolved
On May 3, 2001, ASML and SVG announced that they had reached an agreement with CFIUS allowing the merger to proceed. ASML completed the acquisition in May 2001, with SVG becoming a wholly owned subsidiary. The company’s releases use different dates for completion, so “May 2001” is the safest general reference.
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ASML then implemented the principal structural remedy. It announced on December 19, 2001, that Tinsley had been sold to SSG Precision Optronics, with the sale completed on December 18. ASML said the sale fulfilled its CFIUS commitment and placed the defense- and space-related optical business with a U.S. company specializing in high-performance optical systems for government reconnaissance and space programs.
The transaction did not mean ASML surrendered every Tinsley-related capability. ASML’s announcement said Tinsley’s semiconductor-manufacturing-related lithography activity transferred to ASML, while the broader defense- and space-oriented optical business went to SSG. The financial terms of the sale were not disclosed.
Why this case remains instructive
The ASML–SVG review shows how a national-security transaction can be approved without being unrestricted. The U.S. government used ownership separation, information controls, export compliance, domestic operating commitments, investment promises, governance and continuing reporting to protect a sensitive capability while allowing a major commercial merger to proceed.
For ASML, the trade-off was accepting limits on ownership, access, operations and future divestitures to preserve the strategic acquisition. For the U.S. government, the arrangement sought to keep defense-relevant optical technology protected and U.S. capabilities operating without sacrificing the commercial benefits of the broader deal.
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