APPENDIX B: LEGAL ANALYSIS MEMORANDUM
Prepared by
CALDERWOOD & HARKNESS LLP 599 Lexington Avenue, 38th Floor New York, NY 10022
C&H Matter Number: 1032-00006
In Support of the Bilateral Advance Pricing Agreement Application Filed on Behalf of:
Halcyon Semiconductor AG (Steuernummer: 203/118/04527; VAT ID: DE 814 723 956) Halcyon-Allee 12, 01099 Dresden, Saxony, Germany
and
Halcyon Semiconductor Inc. (EIN: 84-2917630; Delaware File Number: 7341825) 8700 Parmer Lane, Building 4, Austin, TX 78729
Date: July 7, 2025
Prepared by:
Leonard Cross, Partner Leila Nazari, Senior Associate Robert Jansen, Associate Tax Department, Calderwood & Harkness LLP
Filed Pursuant to Rev. Proc. 2015-41
PRIVILEGED AND CONFIDENTIAL SUBJECT TO APA CONFIDENTIALITY PROTECTIONS UNDER IRC § 6103 AND REV. PROC. 2015-41 § 9
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I. Introduction and Purpose
A. Purpose of This Memorandum
This Legal Analysis Memorandum (this "Memorandum") constitutes Appendix B to the formal Bilateral Advance Pricing Agreement Application (the "Application"), including IRS Form 14661 and Supporting Narrative, filed by Halcyon Semiconductor Inc. ("HSI"), a Delaware corporation and wholly owned subsidiary of Halcyon Semiconductor AG ("HSAG"), a German Aktiengesellschaft organized under the laws of the Federal Republic of Germany. This Memorandum has been prepared by Calderwood & Harkness LLP ("C&H" or "Counsel") at the request and on behalf of HSI in connection with the bilateral APA process administered by the IRS Advance Pricing and Mutual Agreement Program ("APMA") within the Large Business & International Division of the Internal Revenue Service.
The purpose of this Memorandum is to set forth the comprehensive legal basis under United States domestic law, the applicable income tax treaty between the United States of America and the Federal Republic of Germany (the "US-Germany Treaty"), the OECD Transfer Pricing Guidelines for Multinational Enterprises and Tax Administrations (2022 edition) (the "OECD Guidelines"), and relevant German domestic law for the proposed transfer pricing methods ("TPMs") applicable to the three categories of controlled transactions between HSAG and HSI that constitute the covered transactions under the proposed bilateral APA.
This Memorandum demonstrates that the proposed TPMs satisfy the best method rule under Treasury Regulation § 1.482-1(c) and are consistent with the arm's-length standard as set forth in Internal Revenue Code ("IRC") § 482, the OECD Guidelines, and the US-Germany Treaty. In particular, this Memorandum:
(i) identifies and analyzes the legal authorities governing each proposed TPM;
(ii) explains the application of the best method rule to the selection of the CPM (Comparable Profits Method), CUT (Comparable Uncontrolled Transaction) method, and income method for the three categories of covered transactions;
(iii) demonstrates that the proposed TPMs produce arm's-length results within the applicable interquartile ranges established through the economic analyses set forth in Appendix A (prepared by Meridian Economics GmbH);
(iv) addresses the procedural and legal requirements of Rev. Proc. 2015-41 governing bilateral APA applications;
(v) analyzes the treaty-based framework under which the US and German competent authorities will negotiate and conclude the bilateral APA; and
(vi) demonstrates the internal consistency of the three proposed TPMs when applied simultaneously within the integrated Halcyon semiconductor supply chain.
This Memorandum should be read in conjunction with the Supporting Narrative filed with IRS Form 14661, the Economic Analysis Appendix (Appendix A), and the Financial Data Appendix (Appendix C). All financial figures presented herein are derived from the audited consolidated and segmented financial statements of HSAG and HSI, as audited by Gresham Whitfield LLP.
B. Covered Transactions
The proposed bilateral APA covers three categories of intercompany transactions between HSAG and HSI within the HSAG–HSI US-Germany supply chain, with aggregate annual intercompany flows of approximately €1,280,600,000 in fiscal year 2024 ("FY 2024"). The three categories are described in summary below and are analyzed in detail in the Supporting Narrative and Appendix A.
1. Tangible Goods (Wafer/Die Sales). The first category of covered transactions consists of the sale of semiconductor wafers and singulated die from HSAG's fabrication facilities in Germany to HSI. HSAG operates three advanced semiconductor fabrication facilities (collectively, the "Fabs"):
• Fab 1 and Fab 2: Industriepark Klotzsche, Zur Wetterwarte 50, 01109 Dresden, Saxony, Germany. These facilities produce wafers and die at the 7nm, 5nm, and 3nm process nodes for foundry and proprietary product lines.
• Fab 3: Technologiepark Chemnitz, Annaberger Straße 240, 09125 Chemnitz, Saxony, Germany. This facility produces wafers and die at the 7nm and 5nm process nodes, primarily for automotive and industrial semiconductor applications.
HSI purchases wafers and singulated die from HSAG under the Master Intercompany Supply Agreement (effective January 1, 2019; amended July 1, 2022) and resells finished semiconductor products to unrelated customers in North America. FY 2024 intercompany purchase value: €987,600,000, equivalent to approximately $1,076,000,000 at the average 2024 EUR/USD exchange rate of 1.0896.
2. Royalties (IP License). The second category of covered transactions consists of royalty payments from HSI to HSAG for the license of proprietary semiconductor process technology, design libraries, and related know-how. HSI makes running royalty payments to HSAG under the IP License Agreement (effective January 1, 2019) at a rate of 6.0% of IP-attributable revenues. FY 2024 royalty payments: €68,400,000, equivalent to approximately $70,500,000 at the weighted average payment rate of 1.0307 EUR/USD.
3. Cost-Sharing Contributions (R&D CSA). The third category of covered transactions consists of payments by HSI under a Qualified Cost Sharing Arrangement (the "CSA") for next-generation 2nm and sub-2nm process research and development. HSI's reasonably anticipated benefit ("RAB") share is 22.5% of qualified R&D costs incurred under the CSA. FY 2024 total qualified CSA R&D costs: €998,200,000. HSI's FY 2024 cost-sharing payment: €224,600,000 (22.5% × €998,200,000).
The aggregate value of the three categories of intercompany transactions in FY 2024 was approximately €1,280,600,000 (€987,600,000 + €68,400,000 + €224,600,000), representing a material portion of the consolidated revenues and costs of the Halcyon group.
C. Proposed APA Term and Rollback
HSI proposes the following APA coverage periods:
Prospective APA Term: Five tax years, commencing January 1, 2025 and ending December 31, 2029.
Rollback Request: Three prior tax years, commencing January 1, 2022 and ending December 31, 2024. HSI requests that the bilateral APA be rolled back to cover these three prior tax years pursuant to Rev. Proc. 2015-41 § 5.04, on the basis that the facts and circumstances, intercompany agreements, TPMs, and functional profiles of HSAG and HSI during the rollback period are substantially the same as those during the prospective period.
Total Covered Period (if rollback is granted): Eight tax years, January 1, 2022 through December 31, 2029.
APA Type: Bilateral (United States–Federal Republic of Germany).
The selection of a bilateral (as opposed to unilateral) APA is driven by the need to ensure that both the United States and Germany accept the proposed TPMs, thereby eliminating the risk of double taxation and providing certainty for the Halcyon group across both jurisdictions. As discussed further in Section VI of this Memorandum, the OECD Guidelines endorse bilateral APAs as the preferred approach for achieving these objectives.
D. Parties and Advisors
The parties to the controlled transactions and their advisors are identified below for reference:
Halcyon Semiconductor AG (HSAG) — German Parent
HSAG is a German Aktiengesellschaft organized under German law and publicly listed on the Frankfurt Stock Exchange (XETRA). ISIN: DE000HSA0017; WKN: HSA001. HSAG is the ultimate parent company of the Halcyon group, which comprises approximately 48 subsidiaries in 19 countries. HSAG is headquartered at Halcyon-Allee 12, 01099 Dresden, Saxony, Germany. Principal officers relevant to this Application:
• Chief Executive Officer: Dr. Klaus-Dieter Wehrheim
• Chief Financial Officer: Margarethe Stein
• Senior Vice President, Group Tax: Dr. Erwin Fassbinder
Halcyon Semiconductor Inc. (HSI) — US Subsidiary
HSI is a Delaware C-corporation wholly owned by HSAG. HSI serves as the Halcyon group's North American distribution, sales, marketing, and design-support subsidiary. HSI is headquartered at 8700 Parmer Lane, Building 4, Austin, Texas 78729. Principal officers relevant to this Application:
• President & General Manager: Victor Almeida
• Vice President, Tax: Priya Raghavan
US Tax Counsel: Calderwood & Harkness LLP
599 Lexington Avenue, 38th Floor, New York, NY 10022. C&H Matter Number: 1032-00006.
• Leonard Cross, Partner (responsible partner for the engagement)
• Sylvia Hartwell, Partner (billing partner)
• Leila Nazari, Senior Associate (lead associate)
• Robert Jansen, Associate
German Tax Counsel: Kettner Pflüger Rechtsanwälte
Kettner Pflüger Rechtsanwälte ("KP"), Frankfurt am Main, Germany, is serving as HSAG's German tax counsel and is coordinating the parallel German APA application to the Bundeszentralamt für Steuern ("BZSt"), targeting submission by August 15, 2025.
• Dr. Tobias Kettner, Partner
• Friederike Lang, Associate
Transfer Pricing Economist: Meridian Economics GmbH
Meridian Economics GmbH, Munich, Germany, has prepared the economic analyses supporting the Application, including the CPM/TNMM benchmarking study, the CUT royalty analysis, and the CSA benefit share analysis, each of which is set forth in Appendix A.
• Dr. Annika Breitner, Managing Director
• Maximilian Voss, Senior Analyst
Independent Auditor: Gresham Whitfield LLP
Gresham Whitfield LLP serves as the independent auditor for the Halcyon group and has audited the consolidated and segmented financial statements relied upon in this Application.
• Simon Cardwell, Group Audit Partner (London)
• Janet Okonkwo, US Engagement Partner (Houston)
II. Legal Framework — US Domestic Law
A. IRC § 482 — Authority to Allocate Income
1. Statutory Text and Scope
IRC § 482 provides the statutory foundation for the arm's-length pricing of controlled transactions in the United States. The statute grants the Secretary of the Treasury (authority delegated to the Commissioner of Internal Revenue) broad authority to distribute, apportion, or allocate gross income, deductions, credits, or allowances between or among two or more organizations, trades, or businesses (whether or not incorporated, whether or not organized in the United States, and whether or not affiliated) owned or controlled directly or indirectly by the same interests, if the Secretary determines that such distribution, apportionment, or allocation is necessary in order to prevent evasion of taxes or clearly to reflect the income of any such organizations, trades, or businesses.
The statute applies to any transaction between or among commonly controlled entities, regardless of the form of the transaction or the jurisdictions in which the parties are organized. Importantly, § 482 applies both to situations in which the IRS seeks to make an allocation and to voluntary compliance by taxpayers in establishing arm's-length pricing on their tax returns. The APA process, codified in Rev. Proc. 2015-41, represents a cooperative mechanism through which the taxpayer and the IRS agree prospectively on the transfer pricing methodology to be applied to covered transactions, thereby ensuring that the results of those transactions clearly reflect the income of the controlled entities.
Application to HSAG and HSI. HSAG owns 100% of the outstanding equity of HSI. Accordingly, HSAG and HSI are organizations owned or controlled by the same interests within the meaning of IRC § 482. All intercompany transactions between HSAG and HSI — including the three categories of covered transactions described in Section I.B of this Memorandum — are controlled transactions subject to the allocation authority of § 482 and the arm's-length standard implemented through the Treasury Regulations promulgated thereunder.
2. The Arm's-Length Standard
The arm's-length standard is the fundamental principle underlying IRC § 482 and the entire framework of US transfer pricing law. Treasury Regulation § 1.482-1(b)(1) articulates this standard as follows:
"In determining the true taxable income of a controlled taxpayer, the standard to be applied in every case is that of a taxpayer dealing at arm's length with an uncontrolled taxpayer. A controlled transaction meets the arm's length standard if the results of the transaction are consistent with the results that would have been realized if uncontrolled taxpayers had engaged in the same transaction under the same circumstances (arm's length result). Because identical transactions can rarely be located, whether a transaction produces an arm's length result generally will be determined by reference to the results of comparable transactions under comparable circumstances."
The arm's-length standard serves as the cornerstone of US transfer pricing policy and is the internationally accepted norm for the pricing of controlled transactions, as recognized in Article 9 of the OECD Model Tax Convention and the US-Germany Treaty. The standard is premised on the "separate entity" approach: each controlled entity within a multinational group is treated as an independent economic actor, and the pricing of transactions between controlled entities must reflect the pricing that would be established between independent parties operating at arm's length.
The arm's-length standard applies equally to each of the three categories of covered transactions in this Application: (i) the sale of tangible goods (semiconductor wafers and die) from HSAG to HSI, (ii) the royalty payments from HSI to HSAG for the license of semiconductor IP, and (iii) the cost-sharing contributions under the CSA. As demonstrated in this Memorandum and in the economic analyses in Appendix A, the proposed TPMs for each covered transaction produce results consistent with the arm's-length standard.
B. Treasury Regulations — General Principles (Treas. Reg. §§ 1.482-1 through 1.482-9)
1. Treas. Reg. § 1.482-1 — General Principles
Treasury Regulation § 1.482-1 sets forth the general principles applicable to all transfer pricing determinations under IRC § 482. The regulation addresses the scope and purpose of § 482, the arm's-length standard, the best method rule, comparability standards, and the arm's-length range. Each of these concepts is central to the legal analysis of the proposed TPMs in this Application and is summarized below.
Section 1.482-1(a): Scope and Purpose. Treasury Regulation § 1.482-1(a) establishes that the purpose of § 482 is to ensure that taxpayers clearly reflect income attributable to controlled transactions and to prevent the avoidance of taxes with respect to such transactions. The regulation applies to any allocation under § 482 and governs the selection and application of transfer pricing methods.
Section 1.482-1(b): Arm's-Length Standard. As discussed in Section II.A.2 above, the arm's-length standard requires that controlled transactions produce results consistent with those that would have been realized by uncontrolled taxpayers engaging in comparable transactions under comparable circumstances. The regulation emphasizes that each controlled transaction must be evaluated individually, though related transactions may be aggregated where appropriate for reliability purposes.
Section 1.482-1(c): Best Method Rule. The best method rule is a critical component of the US transfer pricing framework. Treasury Regulation § 1.482-1(c) provides that the arm's-length result of a controlled transaction must be determined under the method that, given the facts and circumstances, provides the most reliable measure of an arm's-length result. No method has inherent priority over any other; the selection is based on reliability. Two primary factors govern the reliability analysis:
(i) The degree of comparability between the controlled transaction (or the tested party) and any uncontrolled comparables, including the completeness and accuracy of any adjustments made to account for differences. A method that relies on a close comparison to uncontrolled transactions may be more reliable than one that relies on more general economic benchmarks.
(ii) The quality of the data and assumptions used in the analysis. Methods that require fewer and more reliable adjustments to the available data will generally produce more reliable results.
The best method rule does not require a taxpayer to apply every possible method and demonstrate that the selected method is superior to all others. Rather, the taxpayer must analyze the relative reliability of the reasonably available methods and select the one that produces the most reliable result. In this Memorandum, the best method analysis for each of the three covered transactions is set forth in detail in Section II.C below.
Section 1.482-1(d): Comparability Standards. Treasury Regulation § 1.482-1(d) identifies the factors relevant to assessing the comparability of controlled and uncontrolled transactions. These factors include:
(i) the functions performed by each party to the transaction, taking into account assets used and risks assumed;
(ii) the contractual terms of the transaction;
(iii) the risks borne by each party;
(iv) the economic conditions, including market conditions, at the time of the transaction; and
(v) the nature of the property or services transferred.
Comparability adjustments may be made to improve the reliability of the analysis by accounting for material differences between the controlled and uncontrolled transactions. The economic analyses in Appendix A incorporate comparability adjustments where appropriate, as described in the discussion of each covered transaction.
Section 1.482-1(e): Arm's-Length Range. Treasury Regulation § 1.482-1(e) provides that where the application of a transfer pricing method produces a range of results from comparable uncontrolled transactions, the arm's-length range is established. If the comparables are sufficiently specific that the full range of results is appropriate, the full range constitutes the arm's-length range. In all other cases — which includes the typical benchmarking analysis — the arm's-length range is established using statistical techniques, and the interquartile range (the range from the 25th percentile to the 75th percentile) is generally used. If the tested party's result falls within the interquartile range ("IQR"), no allocation under § 482 is warranted. If the tested party's result falls outside the IQR, the IRS may adjust the taxpayer's result to the median of the comparable results.
For each of the three covered transactions, the proposed TPMs produce results that fall within the applicable IQR, as demonstrated in Appendix A and summarized in this Memorandum.
2. Treas. Reg. § 1.482-3 — Methods for Transfers of Tangible Property
Treasury Regulation § 1.482-3 enumerates the specified transfer pricing methods for the transfer of tangible property between controlled taxpayers. The specified methods are:
(a) the Comparable Uncontrolled Price ("CUP") method (§ 1.482-3(b));
(b) the Resale Price Method ("RPM") (§ 1.482-3(c));
(c) the Cost Plus Method ("CPluM") (§ 1.482-3(d));
(d) the Comparable Profits Method ("CPM") (§ 1.482-5); and
(e) profit split methods (§ 1.482-6).
In addition, an unspecified method may be used if it provides a more reliable measure of an arm's-length result than any of the specified methods. See Treas. Reg. § 1.482-3(e). However, the use of an unspecified method is not proposed in this Application.
Treasury Regulation § 1.482-3(a) reiterates the best method rule and provides that the method selected must be the one that, given the facts and circumstances, provides the most reliable measure of an arm's-length result. As discussed in Section II.C.1 below, the CPM is proposed as the best method for the tangible goods transactions because it provides the most reliable measure of an arm's-length result given HSI's limited-risk distribution profile.
Comparable Profits Method (Treas. Reg. § 1.482-5). The CPM evaluates whether the amount charged in a controlled transaction is arm's length by reference to objective measures of profitability, known as profit level indicators ("PLIs"), derived from uncontrolled taxpayers that engage in similar business activities under similar circumstances. The PLI selected must be appropriate for the tested party and the type of transaction. Common PLIs include operating margin (operating income divided by net sales), the Berry ratio (gross profit divided by operating expenses), and return on assets.
Under the CPM, the tested party is the participant in the controlled transaction for which the most reliable data regarding comparable transactions is available and which typically is the least complex of the controlled entities. See Treas. Reg. § 1.482-5(b)(2). The tested party's reported PLI is then compared to the PLIs of comparable uncontrolled companies to determine whether the tested party's result falls within the arm's-length range.
In this Application, HSI is proposed as the tested party for the tangible goods transactions. HSI is the least complex entity, performing limited-risk distribution, marketing, and design-support functions in North America, while HSAG is the complex, IP-rich principal that owns and operates the fabrication facilities, performs all material R&D, and holds the group's critical intangible property. The PLI selected is operating margin on net resales. As set forth in Appendix A, the benchmarking study identifies 17 comparable companies among North American semiconductor distributors with a five-year weighted-average IQR of operating margins of 2.8% to 6.1% and a median of 4.4%. HSI's FY 2024 operating margin of 4.80% falls within this IQR, confirming that the intercompany pricing of tangible goods produces an arm's-length result for HSI.
3. Treas. Reg. § 1.482-4 — Methods for Transfers of Intangible Property
Treasury Regulation § 1.482-4 governs the transfer pricing of controlled transactions involving intangible property, including licenses of technology, trademarks, trade names, patents, know-how, and similar intangible assets. The specified methods for intangible property transactions are:
(a) the Comparable Uncontrolled Transaction ("CUT") method (§ 1.482-4(c));
(b) the Comparable Profits Method ("CPM") (§ 1.482-5); and
(c) profit split methods (§ 1.482-6).
CUT Method (Treas. Reg. § 1.482-4(c)). The CUT method evaluates the arm's-length royalty for a controlled intangible property transaction by reference to the amount charged in comparable uncontrolled transactions. The CUT method is a direct transactional method that relies on the identification of uncontrolled license agreements involving comparable intangible property under comparable circumstances. The key comparability factors for the CUT method include:
(i) the nature and type of intangible property involved (e.g., patent, know-how, process technology);
(ii) the terms of the transfer, including exclusivity, geographic scope, duration, and sublicensing rights;
(iii) the stage of development and commercial maturity of the intangible property;
(iv) the economic and market conditions at the time of the transaction; and
(v) any differences in contractual terms between the controlled and uncontrolled transactions.
The CUT method is proposed as the best method for the royalty transaction between HSAG and HSI. HSAG licenses to HSI proprietary semiconductor process technology, design libraries, and associated know-how under the IP License Agreement (effective January 1, 2019). The license is non-exclusive, limited to North American exploitation, and provides for a running royalty of 6.0% on IP-attributable revenues.
As set forth in detail in Appendix A, the CUT analysis identifies eight comparable uncontrolled license agreements from the Clearpoint Royalty Database and publicly available SEC filings. These agreements involve licensing of semiconductor process technology comparable to HSAG's licensed intangibles, under terms that are sufficiently comparable after adjustments for differences in geographic scope, exclusivity, and stage of technology. The IQR of royalty rates from these comparable agreements is 3.5% to 8.2%, with a median of 5.6%. HSAG's contractual royalty rate of 6.0% falls within this IQR and above the median, consistent with the advanced nature of HSAG's process technology (including sub-5nm nodes that command premium royalty rates).
In addition, the CUT result is corroborated through a residual profit split analysis, as discussed in Section II.C.2 below.
4. Treas. Reg. § 1.482-7 — Cost Sharing Arrangements
Treasury Regulation § 1.482-7 provides comprehensive rules governing qualified cost sharing arrangements ("QCSAs") between controlled participants. A QCSA is an arrangement under which controlled participants agree to share the costs and risks of developing intangible property in proportion to their reasonably anticipated benefits from the exploitation of such intangibles. The regulations impose several key requirements:
(a) Participants: Each controlled participant must reasonably expect to derive benefits from the exploitation of the intangibles developed under the CSA.
(b) Cost Sharing: Participants must share intangible development costs ("Coss") in proportion to their reasonably anticipated benefits ("RAB shares"). RAB shares must be determined using a reliable measure of anticipated benefits, such as projected sales, profits, or units, and must be updated periodically.
(c) Platform Contribution Transactions ("PCTs"): When a participant makes pre-existing intangible property (a "platform contribution") available to the CSA, the arm's-length value of that contribution must be determined and compensation paid by the other participants. This is a PCT.
(d) Arm's-Length Valuation of PCTs: Treas. Reg. § 1.482-7(g) specifies several methods for valuing PCTs, including the income method (§ 1.482-7(g)(4)), the acquisition price method (§ 1.482-7(g)(5)), the market capitalization method (§ 1.482-7(g)(6)), and the residual profit split method (§ 1.482-7(g)(7)).
Income Method (Treas. Reg. § 1.482-7(g)(4)). The income method determines the arm's-length charge for a PCT by reference to the anticipated income streams attributable to the platform contributions made available to the CSA. Under the income method, the PCT payment is calculated as the present value of the anticipated income attributable to the platform contribution, discounted at an appropriate risk-adjusted discount rate over an appropriate projection period.
Application to the HSAG-HSI CSA. The CSA between HSAG and HSI was executed on July 15, 2018, and relates to the joint development of next-generation 2nm and sub-2nm semiconductor process technology. HSAG made available to the CSA its pre-existing platform contributions, consisting of its then-existing semiconductor process technology (at the 7nm and 5nm nodes) and proprietary design libraries. HSI was required to make a PCT buy-in payment to compensate HSAG for the value of these pre-existing platform contributions.
The PCT buy-in payment was valued at $312,500,000 using the income method, with a risk-adjusted discount rate of 11.8% and a 15-year projection period. The valuation was performed by Stonebridge Valuation Partners LLC (Marcus Reinhardt, Managing Director, 200 Park Avenue, Suite 1510, New York, NY 10166), an independent valuation firm. The discount rate of 11.8% reflects the weighted average cost of capital for the Halcyon group, adjusted for the transaction-specific risks associated with the development of next-generation semiconductor process technology. The 15-year projection period is consistent with the estimated useful economic life of semiconductor process technology platforms, taking into account the rapid pace of technological evolution in the semiconductor industry and the typical product lifecycle of advanced-node process technology.
HSI's RAB share under the CSA is 22.5%, reflecting HSI's anticipated benefits from the exploitation of next-generation process technology in North America. HSAG retains the remaining 77.5% RAB share, reflecting its broader global exploitation rights (Europe, Asia, and the rest of the world). In FY 2024, total qualified R&D costs under the CSA were €998,200,000 (a subset of HSAG's total R&D expenditure of €1,420,000,000, with the balance representing R&D not subject to the CSA). HSI's cost-sharing contribution for FY 2024 was therefore €224,600,000 (22.5% × €998,200,000).
The CSA includes a triennial review mechanism pursuant to which the RAB shares are re-evaluated based on updated projections of anticipated benefits. The most recent triennial review was completed in July 2024 and confirmed that the 22.5%/77.5% allocation remains appropriate.
The acquisition price method and market capitalization method were considered and rejected for the PCT valuation because no comparable CSA transactions or acquisitions of semiconductor IP platforms were available for reliable application. The income method was determined to be the most reliable method for valuing the PCT given the availability of detailed financial projections and the ability to isolate income streams attributable to the platform contributions.
5. Treas. Reg. § 1.482-8 — Examples and Coordination
Treasury Regulation § 1.482-8 provides examples illustrating the application of the transfer pricing methods specified in §§ 1.482-3 through 1.482-7. While the examples are not individually discussed in this Memorandum, the principles they illustrate — particularly the coordination of methods across multiple transaction types within an integrated supply chain — are directly relevant to the HSAG-HSI structure.
The coordination of methods is of particular importance in the present case because HSAG and HSI engage in three related but distinct categories of intercompany transactions: tangible goods sales, royalty payments, and cost-sharing contributions. The proposed TPMs must be internally consistent and must not produce duplicative or overlapping allocations. For example, the CPM analysis of HSI's operating margin takes into account the intercompany purchase prices for tangible goods, the royalty charges under the IP License Agreement, and the cost-sharing contributions under the CSA; all three charges reduce HSI's operating income and are reflected in the tested party's PLI. The royalty (analyzed under the CUT method) and cost-sharing contributions (analyzed under the income method/RAB shares) are independently benchmarked, but the combined effect of all three intercompany charges must produce an overall allocation of profits between HSAG and HSI that is consistent with arm's-length principles.
This internal consistency requirement is addressed in detail in Section VII.D of this Memorandum.
6. Treas. Reg. § 1.482-9 — Methods for Services Transactions
Treasury Regulation § 1.482-9 sets forth the methods applicable to controlled services transactions. While no separate services transaction is proposed as a covered transaction in this bilateral APA, it is noted that HSI provides certain incidental services to HSAG in connection with its distribution and design-support functions, including market feedback, customer technical support, and limited product customization coordination. These services are not separately charged on an intercompany basis; rather, they are embedded in HSI's distribution function and are reflected in HSI's operating costs. Accordingly, the value of these services is captured within the CPM analysis of HSI's operating margin. The comparable companies used in the benchmarking study perform similar incidental services as part of their distribution activities, ensuring that the comparability of HSI's overall functional profile to the comparable companies is maintained.
To the extent that HSI's provision of these incidental services were to expand materially during the APA term such that they constitute a significant, separately identifiable transaction category, the parties reserve the right to propose amendments to the APA to address such services under the critical assumption monitoring provisions.
C. Best Method Analysis for Each Covered Transaction
1. Tangible Goods — Selection of CPM (TNMM Equivalent)
Why CPM is the Best Method. After careful analysis of all specified methods under Treas. Reg. § 1.482-3, the CPM has been selected as the best method for the tangible goods transactions (sales of semiconductor wafers and die from HSAG to HSI) on the following grounds:
Reliability. The CPM provides the most reliable measure of an arm's-length result for the tangible goods transactions because HSI is a limited-risk distributor that performs routine distribution, marketing, and design-support functions in North America. HSI does not own significant non-routine intangible property, does not bear significant product development or manufacturing risk, and does not perform R&D (other than through the CSA). The routine nature of HSI's functions makes it ideally suited to be the tested party under the CPM, as reliable comparable companies performing similar functions can be identified.
Comparability. As detailed in Appendix A, the benchmarking study identifies 17 comparable companies among North American semiconductor distributors for the fiscal years 2020–2024 (five-year weighted-average data). These comparable companies were selected through a systematic screening process using the Fenmore Services Inc. and Orbis databases, applying filters for industry classification (SIC codes 5065, 3674), geographic location (North America), functional profile (distribution, limited manufacturing, no significant IP ownership), revenue size, and data availability. Quantitative and qualitative screens were applied to exclude companies with materially different functional profiles, significant self-manufactured product revenues, or other characteristics that would impair comparability. Comparability adjustments were made where appropriate for differences in working capital levels and accounting classifications, in accordance with Treas. Reg. § 1.482-1(d)(2).
The resulting IQR of operating margins for the 17 comparable companies is 2.8% to 6.1%, with a median of 4.4%. HSI's FY 2024 operating margin of 4.80% falls comfortably within this IQR, confirming that the intercompany pricing of tangible goods produces an arm's-length result.
Rejection of Alternative Methods. The following alternative methods were considered and rejected:
(a) CUP Method (Treas. Reg. § 1.482-3(b)): The CUP method was rejected because no sufficiently comparable uncontrolled transactions for semiconductor wafers at the relevant process nodes (7nm, 5nm, 3nm) could be identified. The semiconductor wafer market is characterized by a high degree of product specificity — wafers fabricated at different process nodes, with different circuit designs, and for different end-use applications are not interchangeable, and pricing varies significantly based on process complexity, yield rates, wafer size, and order volume. The lack of publicly available, sufficiently comparable uncontrolled transaction data for advanced-node semiconductor wafers precludes reliable application of the CUP method.
(b) Resale Price Method (Treas. Reg. § 1.482-3(c)): The RPM was rejected because gross margin comparability is more sensitive to accounting classification differences than operating margin under the CPM. In particular, the treatment of shipping costs, packaging costs, testing and quality assurance expenses, and inventory write-downs varies among semiconductor distributors, creating noise in gross margin comparisons that is mitigated at the operating margin level under the CPM.
(c) Cost Plus Method (Treas. Reg. § 1.482-3(d)): The Cost Plus method was not considered appropriate because it applies the analysis from the perspective of the seller (HSAG), and HSAG is the complex, IP-rich manufacturer for which comparable companies are difficult to identify. The CPM, applied with HSI as the tested party, provides a more reliable result.
(d) Profit Split Methods (Treas. Reg. § 1.482-6): The residual profit split method was rejected as the primary method for the tangible goods transactions because HSI does not own significant non-routine intangibles relevant to tangible goods distribution. A profit split analysis would introduce unnecessary complexity without improving reliability, as the allocation of routine profits to HSI and residual profits to HSAG is more reliably accomplished through the CPM applied to HSI. However, the residual profit split is used as a corroborative method for the royalty analysis, as discussed below.
Tested Party Selection. HSI is proposed as the tested party for the CPM analysis of the tangible goods transactions. This selection is consistent with the guidance in Treas. Reg. § 1.482-5(b)(2), which provides that the tested party should generally be the participant for which the most reliable data regarding comparable transactions can be identified, and which is typically the least complex entity. HSI is the least complex entity in the HSAG-HSI controlled transaction chain: it performs limited-risk distribution, marketing, customer relationship management, and design-support functions, while HSAG is the complex, IP-rich, R&D-intensive, capital-intensive manufacturer. Reliable comparable companies for HSI's functional profile are readily identifiable among North American semiconductor distributors; comparable companies for HSAG's integrated fabrication and IP development profile are not.
2. Royalties — Selection of CUT Method
Why CUT is the Best Method. The CUT method has been selected as the best method for the royalty transaction (license of semiconductor process technology and design libraries from HSAG to HSI) on the following grounds:
Reliability. The CUT method provides a direct, transactional comparison between the controlled royalty and the royalties charged in comparable uncontrolled license agreements. As detailed in Appendix A, the CUT analysis identifies eight comparable uncontrolled license agreements from the Clearpoint Royalty Database and publicly available SEC filings. These agreements involve licensing of semiconductor process technology — including process design kits, technology nodes, and foundry IP licenses — under terms that are sufficiently comparable to the HSAG-HSI IP License Agreement.
Comparability. Comparability adjustments have been made to account for differences between the controlled license and the comparable uncontrolled licenses in the following areas:
(i) Geographic scope: The HSAG-HSI license is limited to North America; certain comparables have broader or narrower geographic scope.
(ii) Exclusivity: The HSAG-HSI license is non-exclusive; adjustments were made for comparables that are exclusive licenses.
(iii) Stage of technology: The HSAG-HSI license covers advanced-node process technology (sub-5nm), which commands higher royalty rates than mature-node technology; adjustments were made for comparables involving older technology nodes.
(iv) Duration and termination provisions: Differences in contract duration and termination provisions were considered in the comparability analysis.
After these adjustments, the IQR of royalty rates from the eight comparable uncontrolled license agreements is 3.5% to 8.2%, with a median of 5.6%. HSAG's contractual royalty rate of 6.0% falls within this IQR, positioned above the median. The above-median positioning is consistent with the high value of HSAG's advanced-node process technology, which represents cutting-edge semiconductor fabrication capabilities at the 3nm node and below.
Rejection of Alternative Methods. The following alternative methods were considered and rejected for the royalty transaction:
(a) CPM (Treas. Reg. § 1.482-5): The CPM was rejected as the primary method for the royalty transaction because royalty payments for semiconductor IP are best evaluated by direct comparison with comparable uncontrolled license agreements rather than through a profit-based method applied to the licensor. The CUT method provides a more direct and reliable measure of the arm's-length royalty rate.
(b) Profit Split (Treas. Reg. § 1.482-6): While the residual profit split method is a valid approach for transactions involving valuable, unique intangibles, it was not selected as the primary method because the availability of eight comparable uncontrolled license agreements provides a more direct and reliable benchmark. However, the residual profit split is employed as a corroborative method, as described immediately below.
Corroboration Through Residual Profit Split. As an additional check on the reliability of the CUT result, a residual profit split analysis has been performed. The residual profit split method allocates combined profits from the controlled transaction in two steps: first, each party receives a routine return for its non-unique functions, assets, and risks (HSI's routine return is its CPM-determined operating margin); second, the residual profit is allocated between the parties based on the relative value of their non-routine contributions (primarily HSAG's intangible property). The residual profit split analysis confirms that the allocation of residual profits between HSAG and HSI — taking into account both the 6.0% royalty and the CPM result for HSI — is consistent with the relative contributions of the parties and produces an arm's-length allocation of the group's combined profits. The details of this corroborative analysis are set forth in Appendix A, Section 3.
3. Cost-Sharing Contributions — Income Method for PCT; RAB Shares for Ongoing Costs
Why the Income Method is the Best Method for the PCT. Treasury Regulation § 1.482-7(g)(4) specifically provides for the income method as one of the specified methods for valuing platform contribution transactions. The income method is the best method for the PCT in the HSAG-HSI CSA for the following reasons:
(i) Capture of anticipated income streams: The income method captures the present value of anticipated income streams attributable to HSAG's pre-existing platform contributions — specifically, its existing semiconductor process technology (at the 7nm and 5nm nodes) and proprietary design libraries — that were made available to the CSA at its inception in 2018. Detailed financial projections of the income streams attributable to these platform contributions were available at the time of the valuation, providing a reliable basis for the income method analysis.
(ii) Appropriate discount rate and projection period: The discount rate of 11.8% reflects the weighted average cost of capital for the Halcyon group, adjusted for the specific risks associated with the development of next-generation semiconductor process technology, including technology risk, market risk, and execution risk. The 15-year projection period is consistent with the useful economic life of semiconductor process technology platforms, which are typically superseded by successor nodes within 10–15 years of commercial introduction.
(iii) Independent valuation: The PCT valuation was performed by Stonebridge Valuation Partners LLC, an independent valuation firm, under the direction of Marcus Reinhardt, Managing Director. The independence of the valuation enhances its reliability and credibility.
Rejection of Alternative Methods. The acquisition price method (Treas. Reg. § 1.482-7(g)(5)) and market capitalization method (Treas. Reg. § 1.482-7(g)(6)) were considered and rejected because no comparable CSA transactions or acquisitions of semiconductor IP platforms were available in the public record at the relevant time (2018) that would permit reliable application of these methods. The residual profit split method (Treas. Reg. § 1.482-7(g)(7)) was also considered but was not selected because the income method, with its direct focus on the income streams attributable to the platform contributions, provides a more reliable result.
Ongoing Cost Sharing: RAB Shares. HSI's 22.5% RAB share is based on its reasonably anticipated benefits from the exploitation of next-generation process technology in North American markets. The RAB shares were determined at the inception of the CSA based on projected sales, adjusted for relative profitability differences between geographic markets, and are updated through the triennial review mechanism. HSAG retains the remaining 77.5% RAB share, reflecting its broader global exploitation rights across Europe, Asia, and the rest of the world. In FY 2024, total qualified R&D costs under the CSA were €998,200,000, and HSI's cost-sharing contribution was €224,600,000 (22.5% × €998,200,000). The triennial review completed in July 2024 confirmed the continued appropriateness of the 22.5%/77.5% allocation.
D. IRC §§ 6662(e) and 6662(h) — Transfer Pricing Penalties
1. Substantial Valuation Misstatement (§ 6662(e))
IRC § 6662(e) imposes a 20% accuracy-related penalty on any underpayment of tax attributable to a substantial valuation misstatement under the transfer pricing provisions of § 482. A substantial valuation misstatement exists if:
(i) the price for any property or services (or for the use of property) claimed on any return in connection with a transaction between persons described in § 482 is 200% or more (or 50% or less) of the amount determined under § 482 to be the correct amount of such price; or
(ii) the net § 482 transfer price adjustment for the taxable year exceeds the lesser of $5,000,000 or 10% of the taxpayer's gross receipts.
2. Gross Valuation Misstatement (§ 6662(h))
IRC § 6662(h) imposes a 40% penalty on any underpayment of tax attributable to a gross valuation misstatement. A gross valuation misstatement exists if:
(i) the transfer price is 400% or more (or 25% or less) of the correct amount; or
(ii) the net § 482 adjustment exceeds the lesser of $20,000,000 or 20% of the taxpayer's gross receipts.
3. Penalty Protection — Reasonable Cause and Good Faith (Treas. Reg. § 1.6662-6)
The transfer pricing penalties under §§ 6662(e) and 6662(h) may be avoided if the taxpayer demonstrates that there was reasonable cause for the underpayment and that the taxpayer acted in good faith. Treasury Regulation § 1.6662-6(d) provides that the maintenance of contemporaneous documentation satisfying specified content requirements creates a rebuttable presumption of reasonable cause and good faith.
HSI maintains contemporaneous transfer pricing documentation — including a Master File and Local File prepared in accordance with OECD BEPS Action 13 standards and Treas. Reg. § 1.6662-6(d) — that documents the selection and application of the proposed TPMs for each covered transaction. A separate IRC § 6662(e) Penalty Protection Statement has been filed as part of HSI's contemporaneous TP documentation package. This documentation provides a basis for establishing reasonable cause and good faith, insulating HSI from transfer pricing penalties in the event of any dispute regarding the intercompany pricing of the covered transactions.
Importantly, the execution of the bilateral APA, once finalized, will provide prospective penalty protection for HSI with respect to the covered transactions during the APA term (2025–2029). The agreed-upon TPMs, if properly applied and reported in the annual compliance reports, establish that HSI's transfer pricing is arm's-length for purposes of §§ 482 and 6662. If the rollback is granted, the penalty protection will extend to the prior tax years 2022–2024 as well, subject to the terms of the APA agreement.
III. Legal Framework — US-Germany Income Tax Treaty
A. Overview of the Treaty
The applicable income tax treaty is the Convention between the United States of America and the Federal Republic of Germany for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with Respect to Taxes on Income and Capital and to Certain Other Taxes (the "Treaty" or "US-Germany Treaty"), signed at Berlin on June 29, 2006. The Treaty entered into force on December 28, 2007, and applies generally to taxable years beginning on or after January 1, 2008.
The US-Germany Treaty provides the bilateral legal framework under which the competent authorities of the United States and Germany negotiate and conclude bilateral APAs. The Treaty incorporates the arm's-length principle (Article 9), the mutual agreement procedure (Article 25), and provisions relating to the taxation of business profits (Article 7), royalties (Article 12), and limitation on benefits (Article 28), each of which is relevant to this Application and is discussed in the subsections below.
B. Article 9 — Associated Enterprises
Article 9(1) of the US-Germany Treaty provides:
"Where (a) an enterprise of a Contracting State participates directly or indirectly in the management, control or capital of an enterprise of the other Contracting State, or (b) the same persons participate directly or indirectly in the management, control or capital of an enterprise of a Contracting State and an enterprise of the other Contracting State, and in either case conditions are made or imposed between the two enterprises in their commercial or financial relations which differ from those which would be made between independent enterprises, then any profits which would, but for those conditions, have accrued to one of the enterprises, but, by reason of those conditions, have not so accrued, may be included in the profits of that enterprise and taxed accordingly."
Article 9(1) thus embodies the treaty-based arm's-length standard, which requires that controlled transactions between associated enterprises reflect the conditions that would be established between independent enterprises dealing at arm's length. This is the same standard reflected in IRC § 482 and the OECD Guidelines.
Article 9(2) — Correlative Adjustment. Article 9(2) provides for correlative adjustments:
"Where a Contracting State includes in the profits of an enterprise of that State — and taxes accordingly — profits on which an enterprise of the other Contracting State has been taxed in that other State and the profits so included are profits which would have accrued to the enterprise of the first-mentioned State if the conditions made between the two enterprises had been those which would have been made between independent enterprises, then that other State shall make an appropriate adjustment to the amount of the tax charged therein on those profits. In determining such adjustment, due regard shall be had to the other provisions of this Convention and the competent authorities of the Contracting States shall if necessary consult each other."