PRIVILEGED AND CONFIDENTIAL ATTORNEY-CLIENT PRIVILEGE ATTORNEY WORK PRODUCT
CALDERWOOD & HARKNESS LLP
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MEMORANDUM
From: Howard Bellamy, Specialist Partner, Antitrust & Competition, Calderwood & Harkness LLP
To: Oliver Mackenzie, Responsible Partner, M&A, Calderwood & Harkness LLP Derek Okonkwo, Lead Associate, M&A, Calderwood & Harkness LLP Tiffany Rosenthal, Working Associate, M&A, Calderwood & Harkness LLP Dr. Luisa Hartmann, General Counsel, Halcyon Semiconductor Aktiengesellschaft
Date: July 10, 2023
Re: Antitrust Risk Assessment — HSR Act and EUMR Filing Obligations and Competitive Overlap Analysis in Connection with Proposed Acquisition of Vectris Photonics, Inc.
Engagement No.: 1032-00005
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I. Executive Summary
This memorandum presents our analysis of the mandatory antitrust filing obligations and substantive competitive risks arising from Halcyon Semiconductor Aktiengesellschaft's ("Halcyon" or "HSAG") proposed all-cash acquisition of Vectris Photonics, Inc. ("Vectris") for aggregate consideration of $800,000,000 (the "Transaction" or the "Proposed Acquisition"). The purpose of this memorandum is to provide the deal team and Halcyon's General Counsel with a comprehensive assessment of the regulatory landscape so that the parties may structure the Merger Agreement and develop their filing strategy with full awareness of the antitrust risks presented.
Transaction Structure. The Transaction is structured as a reverse triangular merger under the Delaware General Corporation Law ("DGCL"). Halcyon Acquisition Sub, Inc. ("Merger Sub"), a newly formed, wholly owned Delaware subsidiary of Halcyon, will merge with and into Vectris, with Vectris surviving as a wholly owned subsidiary of Halcyon. The Transaction will be effected pursuant to a definitive Agreement and Plan of Merger (the "Merger Agreement"), the execution of which is currently targeted for on or about August 10, 2023.
Filing Obligations. Based on our analysis, notification of the Transaction is mandatory under both the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), 15 U.S.C. § 18a, and the EU Merger Regulation (Council Regulation (EC) No. 139/2004) (the "EUMR"). The jurisdictional thresholds under both regimes are clearly satisfied, and there is no applicable exemption. Accordingly, the Transaction may not be consummated until the applicable waiting periods have expired or been terminated and clearance has been obtained from the European Commission.
Competitive Risk Assessment. The Proposed Acquisition presents significant competitive overlaps in two product markets:
(1) Silicon Photonics Transceiver Modules for Hyperscale Data Center Interconnects. In the United States, the combined market share of Halcyon (approximately 19%) and Vectris (approximately 28%) would be approximately 47%. This level of concentration substantially exceeds the thresholds that would give rise to a presumption of anticompetitive effects under the DOJ/FTC Merger Guidelines.
(2) Co-Packaged Optics ("CPO") Chiplets. In the European Economic Area ("EEA"), the combined market share of Halcyon and Vectris in the nascent but strategically important CPO chiplet segment is estimated at approximately 38%. This overlap is likely to attract scrutiny from the European Commission's Directorate-General for Competition ("DG Competition").
Overall Risk Level. We assess the overall antitrust risk as elevated. There is a substantial likelihood that the U.S. Department of Justice Antitrust Division ("DOJ") or the Federal Trade Commission ("FTC") will issue a second request for additional information and documentary material (commonly referred to as a "second request" or a "Civil Investigative Demand" in certain contexts), and a meaningful probability that the European Commission will open a Phase II in-depth investigation. Early engagement with both agencies and the development of a credible divestiture and remedy strategy are strongly recommended.
Recommendation. We recommend that Halcyon and Vectris proceed with the preparation and submission of antitrust filings on an expedited timetable. Simultaneously, the deal team should develop a divestiture and remedy strategy centered on the potential divestiture of Halcyon's existing U.S. silicon photonics transceiver product line, so that the parties are prepared to engage constructively with the reviewing agencies and mitigate the risk of a prolonged review or an outright challenge to the Transaction.
II. Transaction Overview
A. The Acquirer: Halcyon Semiconductor Aktiengesellschaft
Halcyon Semiconductor Aktiengesellschaft ("Halcyon" or "HSAG") is a publicly listed German semiconductor company. Halcyon's ordinary shares are listed on the Frankfurt Stock Exchange (Ticker: HSAG), and its American Depositary Receipts are listed on the Nasdaq Stock Market (Ticker: HCYN). The company is headquartered at Halcyon-Platz 1, 81739 München, Germany, and is registered with the Munich commercial register under registration number HRB 178254.
Halcyon designs and manufactures a broad portfolio of advanced analog and mixed-signal semiconductors, power management integrated circuits ("ICs"), and radio-frequency ("RF") components. The company's products serve a wide range of end markets, including telecommunications, automotive, industrial automation, and data center infrastructure. Halcyon operates three semiconductor fabrication facilities ("fabs") located in Munich, Germany; Dresden, Germany; and Singapore. For the fiscal year ended December 31, 2022 ("FY2022"), Halcyon reported consolidated revenue of approximately €6.8 billion. As of the date of this memorandum, Halcyon's approximate market capitalization is €22.4 billion.
Of particular relevance to this analysis, Halcyon's Photonics Division designs and manufactures silicon photonics transceiver modules and has invested in the development of co-packaged optics chiplet technology through internal research and development programs and a small-scale commercial product launch in the European market. The Photonics Division represents a growing but still relatively modest portion of Halcyon's overall business, contributing approximately €420 million in FY2022 revenue.
B. The Target: Vectris Photonics, Inc.
Vectris Photonics, Inc. ("Vectris") is a Delaware C-corporation (Secretary of State File No. 5918437), headquartered at 4750 Ridgepoint Drive, Suite 300, San Jose, California 95134. Vectris is a fabless designer of silicon photonics transceivers and co-packaged optics chiplets for hyperscale data center interconnects. Unlike Halcyon, Vectris does not own or operate its own fabrication facilities; rather, it relies on foundry and outsourced semiconductor assembly and test ("OSAT") partners for the manufacture and packaging of its products.
For FY2022, Vectris reported revenue of $312 million and EBITDA of $74 million. The company employs approximately 1,450 persons, the substantial majority of whom are located in San Jose, California; Austin, Texas; and Cork, Ireland. Vectris holds 187 issued U.S. patents and has 43 patent applications currently pending before the U.S. Patent and Trademark Office, covering a range of innovations in silicon photonics design, optical interconnect architectures, and co-packaged optics integration. Vectris's key customers include three of the top five U.S. hyperscale cloud operators, and the company has been expanding its commercial relationships with European cloud infrastructure providers.
Vectris is widely regarded within the silicon photonics industry as a particularly innovative and aggressive competitor. Its fabless model enables rapid product iteration and time-to-market advantages relative to vertically integrated competitors, and its patent portfolio provides a meaningful competitive moat. These characteristics are relevant to the competitive analysis discussed in Section V below, particularly with respect to the "maverick" theory of competitive harm.
C. Transaction Terms and Structure
The Transaction is structured as a reverse triangular merger under the DGCL. Halcyon Acquisition Sub, Inc. ("Merger Sub"), a Delaware corporation (Secretary of State File No. 7634291) incorporated on June 12, 2023, for the sole purpose of effecting the Transaction, will merge with and into Vectris. Vectris will survive the merger as a wholly owned subsidiary of Halcyon. The sole director of Merger Sub is Markus Ellinger, Chief Financial Officer of Halcyon.
The aggregate consideration for the Transaction is $800,000,000 in cash, representing approximately $13.70 per fully diluted share of Vectris common stock, based on 58,394,160 fully diluted shares outstanding. This represents a premium of approximately 39.5% over Vectris's unaffected closing share price of $9.82 on May 19, 2023, the last trading day prior to market rumors regarding a potential strategic transaction involving Vectris.
Significant Vectris Shareholders. The following table summarizes the holdings of Vectris's principal shareholders:
Financial Advisors. Ridgeline Partners LLC is serving as financial advisor to Halcyon. Clearwater Zanthor & Co., LLC is serving as financial advisor to Vectris.
Financing. The Transaction will be financed through a combination of (i) a $500 million senior secured term loan facility from Meridian Atlantic Bank, N.A. (priced at Term SOFR plus 225 basis points, structured as a 364-day bridge facility) and (ii) approximately $300 million in cash on hand from Halcyon's balance sheet. The commitment letter from Meridian Atlantic Bank includes a ticking fee of 20 basis points on the undrawn commitment amount beginning 90 days after signing, which as discussed in Section VIII creates an additional financial incentive to achieve timely antitrust clearance.
Expected Signing Date. The parties currently expect to execute the Merger Agreement on or about August 10, 2023.
III. HSR Act Filing Obligations
A. Jurisdictional Analysis
The HSR Act requires that parties to certain mergers and acquisitions file premerger notification with the DOJ and the FTC and observe a statutory waiting period before consummating the transaction. The HSR Act applies when three conditions are met: (i) the transaction involves an acquisition of voting securities, assets, or a controlling interest in an entity; (ii) the transaction meets the applicable size-of-transaction threshold; and (iii) if applicable, the transaction meets the size-of-person threshold. We address each element below.
Acquisition of Voting Securities. The Transaction involves Halcyon's acquisition, through Merger Sub, of all outstanding shares of Vectris common stock. This constitutes an acquisition of voting securities within the meaning of the HSR Act and its implementing rules (16 C.F.R. Parts 801–803). This element is clearly satisfied.
Size-of-Transaction Test. The aggregate consideration for the Transaction is $800,000,000. The applicable HSR size-of-transaction threshold for 2023 (as adjusted annually pursuant to Section 7A(a)(2) of the Clayton Act and 16 C.F.R. § 801.1(h)) is $111.4 million. The Transaction value of $800 million well exceeds this threshold. Accordingly, the size-of-transaction test is satisfied.
Size-of-Person Test. For transactions valued above $445.5 million (the 2023 adjusted threshold above which the size-of-person test is not required), the HSR Act does not require satisfaction of the size-of-person test. Because the Transaction is valued at $800 million, which is substantially above the $445.5 million threshold, the size-of-person test is not technically required. Nevertheless, we note for completeness that both parties independently satisfy the size-of-person thresholds: Halcyon's annual net sales and total assets are well in excess of the $222.7 million threshold (based on FY2022 consolidated revenue of approximately €6.8 billion, or approximately $7.3 billion at prevailing exchange rates), and Vectris's FY2022 revenue of $312 million likewise exceeds the $22.3 million lower-tier threshold that would apply to the acquired person in a transaction of this size.
Conclusion. HSR notification is mandatory. Both the acquiring person (Halcyon, as the ultimate parent entity) and the acquired person (Vectris) are required to file HSR Notification and Report Forms with the Premerger Notification Office of the FTC and the Antitrust Division of the DOJ. The Transaction may not be consummated until the statutory waiting period has expired or been terminated by early termination.
B. Filing Requirements and Process
Filing Persons. The filing will be made by (i) Halcyon Semiconductor Aktiengesellschaft, as the ultimate parent entity of the acquiring person (Halcyon controls Merger Sub, which is the entity directly acquiring the voting securities of Vectris), and (ii) Vectris Photonics, Inc., as the acquired person. Each filing person must submit a separate HSR Notification and Report Form.
Filing Fee. Under the HSR filing fee schedule as adjusted effective February 27, 2023, the applicable filing fee for a transaction valued at $800 million falls within the $500 million to less than $1 billion tier, for which the filing fee is $250,000. The filing fee is the responsibility of the acquiring person (Halcyon), although the parties may agree to a different allocation in the Merger Agreement.
Information Required. The HSR Notification and Report Form requires disclosure of, among other things:
(a) A description of each filing person's business operations, including revenues broken down by applicable North American Industry Classification System ("NAICS") codes. The primary relevant NAICS codes for this Transaction are 334413 (Semiconductor and Related Device Manufacturing) and, to the extent applicable to optical transceiver modules, 334210 (Telephone Apparatus Manufacturing, which encompasses certain optical communications equipment). Additional NAICS codes may be implicated depending on the full scope of each party's business lines.
(b) A description of the Transaction, including its structure, consideration, and expected closing date.
(c) Item 4(c) documents: All studies, surveys, analyses, and reports prepared by or for any officer(s) or director(s) of the filing person for the purpose of evaluating or analyzing the Transaction with respect to market shares, competition, competitors, markets, potential for sales growth, or expansion into product or geographic markets. This category will capture the board presentations, investment committee memoranda, and financial analyses prepared by Ridgeline Partners LLC and Halcyon's internal strategy team in connection with the Transaction.
(d) Item 4(d) documents: All studies, surveys, analyses, and reports prepared by or for any officer(s) or director(s) of the filing person that evaluate or analyze market shares, competition, competitors, or markets relating to any product or service of the filing person where the filing person and the other party to the Transaction both derive revenue in the same NAICS code. This category is broader than Item 4(c) and may capture competitive strategy documents, market intelligence reports, and industry analyses maintained in the ordinary course by both Halcyon and Vectris.
(e) Item 6 overlap narratives: Descriptions of the competitive overlap between the parties in each product or service category where both parties derive revenue, including a description of the relevant products, their uses, and the geographic areas in which each party makes sales.
(f) Prior acquisitions (Item 5) by either party within the relevant NAICS codes during the preceding five years.
Timing. We recommend that the HSR filing be submitted promptly following the execution of the Merger Agreement. Assuming the Merger Agreement is signed on or about August 10, 2023, and allowing approximately one week for final preparation and assembly of the filing, we target a filing date of approximately August 18, 2023. Upon acceptance of the filing by the Premerger Notification Office, the initial 30-day statutory waiting period will commence and, absent a second request, would expire on approximately September 18, 2023.
We note that the parties may request early termination of the waiting period, which would allow consummation of the Transaction before the full 30-day period has elapsed. However, given the significant competitive overlaps identified in this memorandum, we believe it is unlikely that early termination would be granted, and the agencies may instead use the full 30-day initial period to conduct a preliminary assessment of the Transaction.
Gun-Jumping Considerations. The HSR Act, together with Section 1 of the Sherman Act, prohibits parties from engaging in premature integration or coordination on competitive matters prior to the expiration or termination of the waiting period and the consummation of the Transaction. These so-called "gun-jumping" prohibitions require that Halcyon and Vectris continue to operate as independent competitors until closing. Standard interim operating covenants in the Merger Agreement (which typically require the target to operate in the ordinary course and to obtain the acquirer's consent for certain extraordinary actions) must be carefully reviewed to ensure they do not confer upon Halcyon control over Vectris's day-to-day competitive decision-making. We will provide a separate gun-jumping compliance memorandum to the deal team upon review of the draft Merger Agreement.
C. Second Request Risk Assessment
Based on the combined market shares and competitive dynamics described in detail in Section V below, we assess a high risk that the reviewing antitrust agency will issue a second request for additional information and documentary material in connection with the Transaction. The principal basis for this assessment is the approximately 47% combined U.S. market share in silicon photonics transceiver modules for hyperscale data center interconnects, which significantly exceeds the concentration levels that have historically triggered in-depth review and, in many cases, enforcement action.
Agency Assignment. Under the inter-agency clearance process, either the DOJ Antitrust Division or the FTC may be assigned to review the Transaction. Based on recent practice, we believe the DOJ is more likely to be assigned this matter, as the DOJ has generally taken responsibility for reviewing mergers in the technology and semiconductor sectors. However, the FTC has also been active in reviewing technology-related transactions, and we cannot rule out the possibility of FTC jurisdiction. We note that the identity of the reviewing agency may affect the procedural posture (e.g., the FTC has the ability to issue administrative complaints and seek preliminary injunctions, while the DOJ must file suit in federal court), but the substantive analysis of competitive effects is largely the same under either agency.
DOJ Antitrust Division Activity in Semiconductors. The DOJ Antitrust Division has demonstrated heightened interest in semiconductor sector consolidation in recent years, consistent with the Biden Administration's broader executive order on promoting competition in the American economy (Executive Order 14036, July 9, 2021). The Division has devoted significant resources to the review of semiconductor mergers and has been willing to pursue enforcement action — including litigation — where it has identified significant competitive concerns. This institutional posture increases the likelihood of a thorough and searching review of the Proposed Acquisition.
Second Request Process and Implications. If a second request is issued, compliance will require:
(a) Extensive document production from both Halcyon and Vectris, including emails, presentations, reports, and other business records of designated custodians (typically senior executives and individuals with responsibilities relevant to the overlapping product markets).
(b) Production of transactional data, including detailed sales, pricing, cost, and customer data for the overlapping product lines.
(c) Depositions (investigational hearings) of key executives and employees of both parties.
Based on our experience with second request compliance in transactions of comparable complexity, we estimate that the process of substantial compliance will require approximately three to six months from the date of issuance of the second request, depending on the volume of responsive documents, the number of designated custodians, and the pace of negotiations with the reviewing agency regarding the scope of compliance.
Issuance of a second request supersedes the initial 30-day waiting period. The statutory waiting period does not begin to run anew until the filing person has certified substantial compliance with the second request, at which point a new 30-day waiting period commences (which may be extended by agreement or court order).
Implications for the Outside Date. Given the substantial likelihood of a second request and the estimated timeline for compliance, the Merger Agreement should include a sufficiently long Outside Date (also referred to as the "drop-dead date" or "termination date") to accommodate the full regulatory review process. We recommend an Outside Date of no less than 180 days from the date of signing (i.e., approximately February 2024), with an automatic 90-day extension if the sole unsatisfied closing condition as of the initial Outside Date is the receipt of antitrust approvals. This structure would provide a total runway of approximately 270 days (approximately nine months) from signing, which should be sufficient to accommodate second request compliance, potential negotiations with the DOJ regarding remedies, and, if necessary, the commencement and resolution of litigation. The specific terms of the Outside Date and the antitrust-related termination provisions are discussed further in Section VIII below.
IV. EUMR Filing Obligations
A. Jurisdictional Analysis
The EUMR requires mandatory notification to the European Commission of "concentrations" (within the meaning of Article 3 of the EUMR) that have a "Community dimension" as defined in Article 1 of the EUMR. The Proposed Acquisition constitutes a concentration within the meaning of Article 3(1)(b) of the EUMR, as Halcyon will acquire sole control of Vectris by acquiring all of Vectris's outstanding shares. We turn to the question of whether the concentration has a Community dimension.
Article 1(2) Thresholds. A concentration has a Community dimension under Article 1(2) of the EUMR where:
(a) the combined aggregate worldwide turnover of all the undertakings concerned exceeds €5 billion;
(b) the aggregate community-wide turnover of each of at least two of the undertakings concerned exceeds €250 million; and
(c) each of the undertakings concerned does not achieve more than two-thirds of its aggregate community-wide turnover within one and the same Member State.
We address each element in turn:
Worldwide Turnover. Halcyon's FY2022 consolidated worldwide revenue was approximately €6.8 billion. Vectris's FY2022 revenue was $312 million (approximately €290 million at prevailing exchange rates). The combined aggregate worldwide turnover of the undertakings concerned is therefore well in excess of the €5 billion threshold. This element is satisfied.
Community-Wide Turnover. Halcyon generates substantial revenue from the sale of semiconductor products within the EEA, including through its Photonics Division, which sells silicon photonics transceiver modules to European customers. Based on publicly available segment reporting and our discussions with Halcyon's finance team, we estimate Halcyon's EEA turnover to be in excess of €2.5 billion for FY2022. Vectris has reported growing sales to European cloud operators for both its silicon photonics transceiver modules and its co-packaged optics chiplets; we estimate Vectris's EEA turnover to be approximately €65–80 million for FY2022, well in excess of the €250 million threshold is not required for Vectris if Halcyon exceeds it — however, both undertakings must independently exceed €250 million. We note that Vectris's EEA turnover of approximately €65–80 million does not itself exceed €250 million. Accordingly, we must also consider the Article 1(3) alternative thresholds.
Article 1(3) Alternative Thresholds. Where the Article 1(2) thresholds are not fully met, a concentration nevertheless has a Community dimension under Article 1(3) where:
(a) the combined aggregate worldwide turnover of all undertakings concerned exceeds €2.5 billion;
(b) in each of at least three Member States, the combined aggregate turnover of all the undertakings concerned exceeds €100 million;
(c) in each of at least three Member States referred to in (b), the aggregate turnover of each of at least two of the undertakings concerned exceeds €25 million;
(d) the aggregate community-wide turnover of each of at least two of the undertakings concerned exceeds €100 million; and
(e) each of the undertakings concerned does not achieve more than two-thirds of its aggregate community-wide turnover within one and the same Member State.
Based on our preliminary analysis of revenue data, we believe that the Article 1(3) thresholds are likely satisfied. Specifically:
• The combined worldwide turnover exceeds €2.5 billion (element (a) is clearly met).
• Both Halcyon and Vectris generate revenue in Germany, the Netherlands, and Ireland (among other Member States), and we believe the combined turnover in each of at least three Member States exceeds €100 million (element (b)), with each of the two undertakings contributing at least €25 million in those Member States (element (c)).
• Both Halcyon (EEA turnover exceeding €2.5 billion) and Vectris (EEA turnover of approximately €65–80 million) have aggregate community-wide turnover exceeding €100 million — Halcyon clearly exceeds this threshold, and Vectris's estimated EEA turnover of €65–80 million may be marginal. We will need to confirm Vectris's precise EEA turnover figures through detailed due diligence and review of Vectris's revenue allocation by geography.
• Neither party appears to achieve more than two-thirds of its community-wide turnover in a single Member State (element (e)).
We note that the precise determination of whether the Article 1(3) thresholds are met (particularly with respect to Vectris's EEA turnover by individual Member State) will require further analysis of Vectris's sales records. However, based on information currently available, we believe that EUMR jurisdiction is established under Article 1(3), and we proceed on that basis for the remainder of this memorandum. If, upon further review, the EUMR thresholds are not met, we will need to assess whether individual Member State filings are required (e.g., in Germany under the Gesetz gegen Wettbewerbsbeschränkungen ("GWB"), or in other jurisdictions where the parties have significant revenues).
Conclusion. Subject to confirmation of Vectris's EEA revenue figures, EUMR notification to the European Commission is mandatory. Under the EUMR's one-stop-shop principle (Article 21), individual Member State merger control filings should not be required where the transaction has a Community dimension, as the European Commission has exclusive jurisdiction to review the concentration.
B. Filing Requirements and Process
Form CO Notification. The concentration must be notified to the European Commission by submission of a Form CO notification (Annex I to Commission Implementing Regulation (EU) No. 1269/2013). The Form CO is a detailed filing document that requires extensive information about the parties, their businesses, the relevant markets, competitive conditions, and the transaction itself. Preparation of the Form CO is a substantial undertaking and typically requires several weeks of drafting and data collection.
Target Filing Date. We recommend targeting a Form CO filing date of approximately August 25, 2023, which is approximately two weeks after the expected signing date and approximately one week after the anticipated HSR filing. This sequencing allows the EUMR filing to benefit from the analytical work performed for the HSR filing while also allowing time for pre-notification discussions with DG Competition.
Pre-Notification Contacts. We strongly recommend engaging in pre-notification contacts with DG Competition in advance of the formal filing. Pre-notification discussions are a well-established practice in EUMR proceedings and serve several important purposes: (i) they allow the Commission's case team to familiarize itself with the transaction and the relevant markets before the formal review clock starts; (ii) they provide an opportunity for the parties to identify the Commission's likely areas of concern and to tailor the Form CO to address those concerns proactively; and (iii) they help to minimize the risk of the Commission declaring the filing incomplete and stopping the review clock pending supplemental information. We recommend commencing pre-notification contacts in late July or early August 2023, approximately two to four weeks before the planned formal filing date.
Phase I Review. Upon acceptance of the Form CO notification, the Commission has 25 working days to complete its Phase I review and issue a decision. During Phase I, the Commission's case team will assess whether the concentration raises "serious doubts" as to its compatibility with the internal market. The Commission may:
(a) Approve the concentration unconditionally (Article 6(1)(b) decision), if it concludes that the concentration does not raise serious doubts.
(b) Approve the concentration subject to commitments (also known as remedies or conditions) offered by the notifying party to address identified concerns (Article 6(2) decision). Phase I commitments are typically offered within the first 20 working days of the review period and must be sufficient to resolve any serious doubts.
(c) Open a Phase II in-depth investigation (Article 6(1)(c) decision), if it concludes that the concentration raises serious doubts as to its compatibility with the internal market that cannot be resolved through Phase I commitments.
The 25-working-day Phase I clock may be suspended ("stopped") if the Commission issues a request for information (an "Article 11 letter") and the parties fail to provide the requested information within the specified deadline. It is critical that the parties respond promptly and completely to all information requests to avoid unnecessary delays.
Phase II Investigation. If the Commission opens a Phase II in-depth investigation, the review period is extended by an additional 90 working days (from the date of the Phase II decision). This 90-working-day period may be further extended by 20 working days if the notifying party submits commitments to address the Commission's concerns. In exceptional circumstances, the parties and the Commission may agree to a further suspension of the review clock. A Phase II investigation involves significantly more intensive review, including detailed market testing of potential remedies, additional information requests, and the potential issuance of a Statement of Objections.
EUMR Case Reference. A case reference number will be assigned upon formal notification. Based on current Commission numbering conventions, we anticipate the case will be assigned a reference in the format M.11247 or similar.
C. Phase II Risk Assessment
We assess that there is a meaningful risk that the European Commission will open a Phase II in-depth investigation based on the combined EEA market share of approximately 38% in co-packaged optics chiplets. The CPO chiplet market is a nascent but strategically important segment within the broader silicon photonics ecosystem, and the European Commission has historically been attentive to concentrations that could impede the development of emerging technology markets. Several factors contribute to this assessment:
Market Share Levels. A combined EEA market share of approximately 38% in CPO chiplets is well above the 25% threshold that the Commission's Horizontal Merger Guidelines identify as a level above which competitive concerns may begin to arise. While market share alone is not dispositive, the Commission routinely treats high combined shares as a starting point for deeper investigation.
Nascent Market Dynamics. The CPO chiplet market is in an early stage of commercial development, with relatively few established competitors. Consolidation at this stage risks entrenching market power before the competitive dynamics of the market have fully matured. The Commission has shown a particular sensitivity to mergers that could foreclose competition in nascent or rapidly evolving technology markets.
Semiconductor and Photonics Sector Scrutiny. The European Commission has shown heightened scrutiny of consolidation in the semiconductor and photonics sectors, reflecting the strategic importance of semiconductor supply chain sovereignty in the EU's broader industrial policy, as articulated in the European Chips Act (Regulation (EU) 2023/1781) and related policy frameworks. The Commission is likely to be particularly attentive to transactions that could concentrate market power in photonics technologies that are critical to next-generation data center infrastructure.
Coordination with U.S. Authorities. The DOJ and the European Commission routinely cooperate in the review of multi-jurisdictional mergers under the 1991 and 1998 bilateral cooperation agreements between the United States and the European Union (as well as under the framework of the International Competition Network). Positions taken by one agency may influence the other's assessment, and a second request in the U.S. may signal to the Commission that the transaction warrants heightened scrutiny in Europe as well.
If the Commission opens a Phase II investigation, the parties should expect additional rounds of detailed information requests, market testing of potential remedies (in which the Commission solicits the views of customers, competitors, and other market participants on the parties' proposed commitments), and the possible issuance of a Statement of Objections — a formal document setting out the Commission's preliminary conclusion that the concentration would significantly impede effective competition. Response to a Statement of Objections and the conduct of an oral hearing would add further time to the process.
V. Competitive Overlap Analysis
A. Relevant Product Markets
The competitive overlap between Halcyon and Vectris is concentrated in two product markets: (1) silicon photonics transceiver modules for hyperscale data center interconnects, and (2) co-packaged optics chiplets. We analyze each market in turn.
1. Silicon Photonics Transceiver Modules for Hyperscale Data Center Interconnects
Product Description. Silicon photonics transceiver modules are high-speed optical communication devices that use silicon-based photonic integrated circuits to transmit and receive data over optical fiber. These modules are primarily sold to hyperscale cloud operators — such as the major U.S.-based cloud computing and internet infrastructure providers — for use in intra-data-center connectivity (connecting servers, switches, and storage within a single data center facility) and inter-data-center connectivity (connecting geographically distributed data center campuses). The current generation of commercially deployed silicon photonics transceiver modules operates at speeds of 400 Gbps ("400G") and 800 Gbps ("800G"), with next-generation 1.6 Tbps modules in development.
Silicon photonics transceivers are differentiated from traditional optical transceivers (which typically use indium phosphide or other III-V semiconductor materials) by their use of silicon as the primary photonic material, which allows for greater integration with complementary metal-oxide-semiconductor ("CMOS") electronics, higher-volume and lower-cost manufacturing, and the potential for co-packaging with electronic switch ASICs. The antitrust agencies are likely to define a product market limited to silicon photonics transceiver modules (as distinct from traditional optical transceivers), given the distinct performance characteristics, customer preferences, manufacturing processes, and pricing dynamics of silicon photonics products. However, the parties may argue for a broader product market definition that encompasses all optical transceiver technologies, which would dilute the combined market shares. We discuss this defensive argument further in Section V.D below.
Halcyon's Position. Halcyon manufactures silicon photonics transceiver modules through its Photonics Division, which is based primarily at Halcyon's Dresden fabrication facility. Halcyon's silicon photonics transceiver products are sold to a range of customers, including several major U.S. hyperscale cloud operators. Based on industry analyst reports and our preliminary review of internal Halcyon data, we estimate Halcyon's share of the U.S. market for silicon photonics transceiver modules at approximately 19%.
Vectris's Position. Silicon photonics transceiver modules are Vectris's core product line and the primary driver of the company's revenue. As a fabless designer, Vectris focuses on the design and engineering of its transceiver modules, with manufacturing outsourced to third-party foundries and OSAT partners. Vectris has established itself as a leading supplier to hyperscale cloud operators, with its three largest customers ranking among the top five U.S. hyperscale cloud operators. Based on industry data and our review of Vectris's financial information, we estimate Vectris's share of the U.S. market for silicon photonics transceiver modules at approximately 28%.
Combined U.S. Market Share. The post-merger combined U.S. market share of Halcyon and Vectris in silicon photonics transceiver modules would be approximately 47% (Halcyon 19% + Vectris 28%). This level of concentration is significant and would likely trigger a presumption of anticompetitive effects under the DOJ/FTC Merger Guidelines. As discussed in Section V.C below, the Herfindahl-Hirschman Index ("HHI") analysis confirms that the Transaction would result in a highly concentrated market with a post-merger HHI increase (delta) that far exceeds the thresholds identified in the Merger Guidelines.
Customer Concentration. The silicon photonics transceiver market is characterized by significant customer concentration on the demand side. The top five U.S. hyperscale cloud operators collectively account for a substantial majority of total U.S. purchases of silicon photonics transceivers. Vectris's three largest customers are among these top five operators, and Halcyon also supplies several of the same customers. The reviewing agencies will be attentive to the fact that these customers currently multi-source their silicon photonics transceivers from multiple suppliers, including both Halcyon and Vectris, and that the Transaction would eliminate one of their key alternative supply sources.
Competitive Significance and Maverick Risk. Vectris is widely regarded in the industry as a particularly innovative and aggressive competitor. Its fabless business model enables rapid product iteration and responsiveness to customer requirements, as Vectris is not constrained by the capital expenditure cycles and capacity utilization considerations that affect vertically integrated manufacturers like Halcyon. Vectris's strong patent portfolio (187 issued U.S. patents and 43 pending applications) provides both a competitive advantage and a barrier to entry for potential new entrants. The DOJ may characterize Vectris as a "maverick" competitor — that is, a firm whose independent, aggressive competitive behavior constrains the pricing and innovation incentives of other market participants. Under the Merger Guidelines, the elimination of a maverick competitor is treated as a significant indicator of likely anticompetitive effects, even where the merging parties are not the two largest firms in the market.
2. Co-Packaged Optics (CPO) Chiplets
Product Description. Co-packaged optics chiplets are silicon photonics integrated circuits designed for co-packaging — that is, direct physical and electrical integration — with network switch application-specific integrated circuits ("ASICs") on a common substrate or within a common package. CPO represents an emerging technology paradigm for next-generation data center architectures, as it promises to significantly reduce power consumption, latency, and interconnect density bottlenecks relative to traditional pluggable transceiver architectures. While the CPO market is still in a relatively early stage of commercial deployment, it is regarded as strategically important by hyperscale cloud operators, switch ASIC vendors, and photonics companies alike.
Halcyon's Position. Halcyon has invested in CPO technology through internal research and development programs and has launched a small-scale commercial CPO chiplet product in the European market. Halcyon's CPO efforts are centered at its Munich fabrication facility, and its primary customer relationships in this segment are with European cloud infrastructure operators. Halcyon's share of the EEA market for CPO chiplets is estimated at approximately 12–14%.
Vectris's Position. Vectris is a leading designer of CPO chiplets, with a product portfolio that has gained traction with several European cloud operators and network equipment vendors. Vectris's design expertise and patent portfolio in CPO technologies are considered among the most advanced in the industry. Vectris's share of the EEA market for CPO chiplets is estimated at approximately 24–26%.
Combined EEA Market Share. The post-merger combined EEA market share of Halcyon and Vectris in CPO chiplets would be approximately 38% (Halcyon approximately 13% + Vectris approximately 25%). The European Commission is likely to focus on this product market given the EEA-specific overlap and the nascent but strategically important nature of the CPO segment. We note that because the CPO market is still maturing, market share estimates carry a degree of uncertainty, and the Commission may adopt a forward-looking analysis that considers the trajectory of market development and the competitive significance of the merging parties relative to potential entrants.
Competitive Landscape. The number of established competitors in the CPO chiplet market is significantly smaller than in the traditional transceiver market. We estimate that there are approximately three to four significant players in the EEA CPO chiplet market (including Halcyon and Vectris), compared to five to seven significant competitors in silicon photonics transceivers. This narrower competitive field amplifies the concentration concerns arising from the Transaction, as the elimination of an independent competitor in a market with few alternatives is more likely to result in a meaningful reduction in competitive pressure.
B. Geographic Markets
U.S. Market. The DOJ is likely to define a U.S.-specific geographic market for silicon photonics transceiver modules. Several factors support a national market definition: (i) the major customers (U.S. hyperscale cloud operators) are headquartered in the United States and make purchasing decisions on a U.S.-centric basis; (ii) supply chain considerations, including qualification and certification requirements, create some degree of geographic differentiation; (iii) U.S. government export control and trade restriction policies (including the Bureau of Industry and Security's restrictions on certain semiconductor-related exports) may limit the ability of certain foreign suppliers to compete in the U.S. market; and (iv) the competitive conditions in the U.S. market, including the identity and market shares of participants, differ from those in other regions.
EEA Market. The European Commission is likely to define an EEA-wide geographic market for co-packaged optics chiplets, consistent with its standard practice of defining geographic markets by reference to the European Economic Area. The Commission may also examine whether the relevant geographic market for silicon photonics transceivers is EEA-wide or worldwide. An EEA-wide market definition for CPO chiplets is supported by the fact that Halcyon's and Vectris's customer relationships in this segment are concentrated among European cloud operators, and the competitive conditions (including pricing, supplier qualifications, and customer requirements) may vary between the EEA and other regions.
Global Market (Potential Defense Argument). The parties may argue that the relevant geographic market is global in scope, on the basis that customers source silicon photonics products from suppliers worldwide, that there are no significant tariff or non-tariff trade barriers for optical transceiver modules and chiplets, and that pricing is largely determined on a global basis. A global market definition would dilute the combined market share percentages below the levels that would trigger a presumption of anticompetitive effects. While this argument has some factual support — particularly for traditional transceiver modules, which are traded globally — we caution that the agencies may reject a global market definition, particularly for the CPO chiplet segment where customer relationships and competitive dynamics appear to be more regionally differentiated. The parties should develop robust factual support for a global market definition as part of the advocacy strategy, while recognizing that this argument may not prevail.
C. Competitive Conditions and Concentration Metrics
HHI Analysis. The Herfindahl-Hirschman Index ("HHI") is the standard measure of market concentration used by the DOJ, FTC, and European Commission in merger review. The HHI is calculated by summing the squares of the individual market shares of all firms in the relevant market. The change in HHI resulting from a merger (referred to as the "delta") is calculated as twice the product of the merging parties' market shares (i.e., 2 × Share₁ × Share₂ × 10,000, where shares are expressed as decimals).
For the U.S. silicon photonics transceiver module market:
• Pre-merger HHI: Based on our preliminary estimates of the market shares of Halcyon, Vectris, and the other approximately five to seven significant competitors, we estimate the pre-merger HHI to be in the range of 1,800 to 2,200 points, indicating a moderately concentrated market.
• Post-merger HHI delta: The increase in HHI resulting from the Transaction is estimated at approximately 1,064 points (calculated as 2 × 0.19 × 0.28 × 10,000 = 1,064).
• Post-merger HHI: The estimated post-merger HHI would be in the range of 2,864 to 3,264 points, well above the 2,500-point threshold that the 2023 DOJ/FTC Merger Guidelines identify as indicating a highly concentrated market.
Under the Merger Guidelines, a merger that results in a highly concentrated market (post-merger HHI above 2,500) with an HHI increase of more than 200 points is presumed likely to enhance market power. The estimated HHI delta of approximately 1,064 points exceeds this 200-point threshold by a factor of more than five, placing the Transaction squarely within the zone of presumptive illegality under the Merger Guidelines framework. This does not mean that the Transaction will necessarily be challenged — the agencies consider a range of factors beyond market concentration, including ease of entry, efficiencies, and other competitive dynamics — but it does mean that the parties bear a heavy burden of rebutting the structural presumption.
Number of Significant Competitors. In the U.S. silicon photonics transceiver market, we estimate that there are approximately five to seven significant competitors, including Halcyon and Vectris. The other major participants include two large established players (one of which is a diversified semiconductor company with a broad optical components portfolio, and the other a pure-play photonics company with strong market position in traditional transceivers) and several emerging entrants with varying degrees of commercial traction. In the EEA CPO chiplet market, the competitive field is narrower, with approximately three to four significant players.
Barriers to Entry. Entry into the silicon photonics transceiver and CPO chiplet markets is subject to moderate to high barriers, including:
(a) R&D Investment. The development of competitive silicon photonics products requires substantial investment in research and development, including the design of photonic integrated circuits, the development of advanced packaging technologies, and the integration of photonic and electronic components.
(b) intellectual Property. The silicon photonics industry is characterized by a dense landscape of issued patents and pending applications. Vectris's portfolio of 187 issued U.S. patents and 43 pending applications covers a range of foundational and application-specific innovations, creating significant IP barriers for potential entrants. Halcyon also holds a substantial patent portfolio in silicon photonics and related technologies.
(c) Customer Qualification Cycles. Hyperscale cloud operators subject their optical transceiver and CPO chiplet suppliers to rigorous qualification and certification processes, which typically require 12 to 24 months from initial product sample submission to commercial qualification. These qualification cycles create a significant time-to-market barrier for new entrants and limit the ability of customers to rapidly switch suppliers in response to a post-merger price increase.
(d) Manufacturing Partnerships. Fabless companies like Vectris must establish and maintain manufacturing partnerships with foundries and OSAT providers that have the specialized capabilities required for silicon photonics fabrication and packaging. These partnerships are not easily replicable and represent an additional barrier to entry.
The existence of significant barriers to entry reduces the likelihood that new competitors could enter the market in a timely and sufficient manner to offset any anticompetitive effects of the Transaction. This factor is likely to weigh against the parties in the agencies' analysis.
Customer Perspectives. Hyperscale cloud operators are sophisticated and powerful buyers, and their perspectives on the Transaction will carry significant weight in the agencies' investigations. On one hand, the agencies will note that these customers possess significant bargaining power, including the ability to sponsor new entry, shift volumes among existing suppliers, or vertically integrate into optical transceiver production. On the other hand, the agencies will also observe that even sophisticated buyers face limited alternative supply options in the silicon photonics transceiver market, particularly at the scale required for hyperscale data center deployments. Customer testimony will be a critical input in any investigation, and we should anticipate that the agencies will solicit the views of Vectris's and Halcyon's largest customers early in the review process.
D. Potential Procompetitive Arguments
While the competitive overlap between Halcyon and Vectris is significant, the parties can advance several procompetitive arguments in support of the Transaction. These arguments may be useful in negotiations with the reviewing agencies, even if they are unlikely — standing alone — to fully rebut the structural presumption of anticompetitive effects.
Efficiencies. The combination of Halcyon's manufacturing capabilities (three fabrication facilities in Munich, Dresden, and Singapore) with Vectris's design expertise and patent portfolio could generate meaningful efficiencies, including:
(a) Cost reductions. Vertical integration of Halcyon's manufacturing operations with Vectris's product designs could reduce manufacturing costs by eliminating third-party foundry margins, improving yield rates through closer collaboration between design and manufacturing teams, and achieving economies of scale in wafer fabrication and packaging.
(b) Accelerated time-to-market. Access to Halcyon's in-house fabrication capabilities could enable Vectris's design teams to move products from design to production more rapidly, reducing the product development cycle for next-generation silicon photonics transceivers and CPO chiplets.
(c) Supply chain integration. The combined entity would be able to offer a more integrated and reliable supply chain to customers, reducing lead times and improving the predictability of product delivery schedules.
Innovation Synergies. The integration of Vectris's patent portfolio and design teams with Halcyon's R&D infrastructure could accelerate innovation in silicon photonics and CPO technologies. The combined entity would have access to a broader set of R&D resources, a larger pool of engineering talent, and a more comprehensive intellectual property portfolio, potentially enabling it to develop products and technologies that neither party could develop independently.
Supply Chain Resilience. The Transaction would create a vertically integrated silicon photonics company with both design and manufacturing capabilities, improving supply chain resilience for customers who are increasingly concerned about supply chain risks in the semiconductor industry. Vertical integration could reduce dependence on third-party foundries and mitigate the risk of supply disruptions.
Global Competition. Chinese and other Asian competitors are rapidly scaling their silicon photonics capabilities, and several are actively seeking to gain market share in both the U.S. and European markets. The combination of Halcyon and Vectris would create a stronger competitor capable of competing more effectively with these emerging Asian rivals, which is in the long-term interest of both U.S. and European customers and the broader photonics ecosystem.
Caution. We note that the efficiencies defense has historically been difficult to sustain before both the DOJ and the European Commission. Under the Merger Guidelines (both U.S. and EU), claimed efficiencies must be (i) merger-specific (i.e., not achievable through less anticompetitive means, such as contractual arrangements or organic investment), (ii) verifiable (i.e., supported by concrete evidence rather than speculative projections), and (iii) passed through to consumers (i.e., the efficiencies must benefit customers in the form of lower prices, higher quality, or greater innovation, rather than merely increasing the combined entity's margins). The parties should work with their economic advisors to develop a rigorous efficiencies analysis that meets these standards, while recognizing that efficiencies alone are unlikely to overcome the strong structural presumption created by a 47% combined market share.
VI. Potential Agency Theories of Harm
Based on our analysis of the competitive overlap and market conditions, we identify three potential theories of competitive harm that the reviewing agencies may advance.
A. Unilateral Effects
The primary theory of harm is likely to be unilateral effects in the U.S. market for silicon photonics transceiver modules. Under a unilateral effects theory, the agencies would argue that the combined entity, with an approximately 47% U.S. market share, would have both the ability and the incentive to raise prices, reduce output, or diminish innovation in silicon photonics transceivers, without the need for coordination with other market participants.
Several factors support a unilateral effects theory:
(a) Loss of head-to-head competition. Halcyon and Vectris currently compete directly for the business of hyperscale cloud operators who multi-source their silicon photonics transceiver purchases. The elimination of this head-to-head competition would remove a significant competitive constraint on the combined entity's pricing and product development decisions. Evidence that customers currently play Halcyon and Vectris against each other in procurement processes would be particularly damaging to the parties' position.
(b) Significant combined market share. A combined market share of approximately 47% indicates that a substantial portion of customer demand would be captured by the combined entity, giving it significant market power.
(c) Elimination of a disruptive, innovative competitor (maverick theory). As discussed in Section V.A.1 above, Vectris is widely recognized as a particularly innovative and aggressive competitor. Its fabless model, rapid product iteration, and strong patent portfolio have enabled it to compete aggressively on price and innovation, exerting competitive pressure on larger, more established players like Halcyon. The DOJ may argue that Vectris's elimination as an independent competitor would remove a uniquely disruptive competitive force from the market, to the detriment of customers and innovation.
(d) Diversion ratios. The agencies will likely seek to estimate the diversion ratio between Halcyon and Vectris — that is, the proportion of customers who would switch from one merging party to the other in response to a price increase. If the diversion ratio is high (indicating that Halcyon and Vectris are each other's closest competitors for a significant share of customers), the case for unilateral effects is strengthened.
B. Coordinated Effects
As a secondary theory of harm, the agencies may argue that the Transaction would facilitate coordinated effects — that is, tacit or explicit coordination among the remaining competitors on pricing, output, or other competitive dimensions. A coordinated effects theory is based on the premise that the reduction in the number of significant competitors resulting from the merger could make it easier for the remaining firms to reach and sustain a coordinated outcome.
Several market characteristics may support a coordinated effects theory in the silicon photonics transceiver market:
(a) Reduced number of competitors. The Transaction would reduce the number of significant competitors in the U.S. silicon photonics transceiver market from approximately five to seven to approximately four to six. A smaller number of competitors generally makes coordination easier to achieve and sustain.
(b) Relatively homogeneous products. At the module level, silicon photonics transceiver products are relatively standardized (conforming to industry-standard form factors and specifications), which facilitates price transparency and comparability — conditions that tend to support coordination.
(c) Observable pricing. The procurement processes used by hyperscale cloud operators, while not fully transparent, involve repeated bidding interactions with a relatively small number of suppliers. This may provide sufficient price observability to enable detection and punishment of deviations from a coordinated outcome.
(d) Repeated interactions. The major suppliers and customers in the silicon photonics transceiver market interact repeatedly over time, through successive procurement cycles and long-term supply agreements. Repeated interactions facilitate the development of mutual understanding and cooperative norms among competitors.
We note, however, that coordinated effects theories are generally more difficult to establish than unilateral effects theories, and the agencies may face challenges in demonstrating that the market conditions are sufficient to support sustainable coordination. We expect the agencies to focus primarily on unilateral effects, with coordinated effects as a supplementary theory.
C. Vertical/Fore