Contract analysis

I. INTRODUCTION AND PURPOSE This Supplemental Exhibit (the "Exhibit") is submitted by Calderwood & Harkness LLP, counsel to Halcyon Semiconductor Aktiengesellschaft ("HSAG"), in response to the First Request for Information ("First RFI") issued by the Committee on Foreign Investment in the United States ("CFIUS" or the "Committee") on August 4, 2023, in connection with CFIUS Case No. CFIUS-023-07-3841. The First RFI

II. OVERVIEW OF HSAG GLOBAL OPERATIONS To provide the Committee with appropriate context for HSAG's China operations, this Section presents a summary overview of HSAG's global corporate structure, financial profile, and principal business activities. A. Corporate Identity and Registration HSAG's full legal name is Halcyon Semiconductor Aktiengesellschaft, organized and existing as an Aktiengesellschaft (stock corpora

1. Power Semiconductors: HSAG designs and manufactures a broad range of silicon-based power management devices, including MOSFETs, IGBTs, power modules, and gate drivers. These products serve automotive powertrain, industrial motor control, and renewable energy applications.

2. Analog/Mixed-Signal Integrated Circuits: HSAG produces analog and mixed-signal ICs, including operational amplifiers, data converters, voltage references, and interface ICs for industrial and automotive applications.

3. Automotive-Grade Microcontrollers: HSAG designs and manufactures 32-bit ARM-based microcontrollers qualified to AEC-Q100 standards, used in automotive body electronics, advanced driver-assistance systems (ADAS), and vehicle networking.

4. Sensor Systems: HSAG produces MEMS-based pressure sensors, inertial measurement units (IMUs), and magnetic sensors for automotive safety systems, industrial automation, and consumer electronics. HSAG's primary end markets are automotive (approximately 52% of FY2022 revenue), industrial (approximately 28%), and consumer electronics (approximately 20%). HSAG does not produce GaN-based devices, high-electron-mobility

III. HSAG CHINA SUBSIDIARY — ENTITY DETAILS A. Legal and Corporate Structure HSAG's sole subsidiary in the People's Republic of China is Halcyon Semiconductor (Shanghai) Co., Ltd. (Chinese name: 华尔逊半导体（上海）有限公司) (the "Shanghai Entity" or "HSAG Shanghai"). The Shanghai Entity is organized as a Wholly Foreign-Owned Enterprise ("WFOE") under the laws of the People's Republic of China, in accordance with the PRC Foreign I

IV. SCOPE OF CHINA BUSINESS ACTIVITIES A. Products Sold in China Halcyon Semiconductor (Shanghai) Co., Ltd. sells exclusively consumer-grade power management integrated circuits ("PMICs") into the Chinese market. These products are a subset of HSAG's broader analog/mixed-signal product portfolio and represent standard, high-volume commodity semiconductor devices that are widely available in the global market from mul

1. Low-Voltage DC-DC Converters: Step-down (buck) and step-up (boost) switching regulators with input voltages typically ranging from 2.7V to 18V and output currents up to 6A. These devices are used in consumer electronics power supply applications, such as point-of-load regulation in smartphones, tablets, and laptop computers.

2. Linear Voltage Regulators (LDOs): Low-dropout linear regulators with output voltages from 0.8V to 5.0V and output currents up to 1.5A. These devices are used for noise-sensitive analog power supply applications in consumer audio, RF front-end modules, and sensor bias circuits.

3. Battery Management ICs: Single-cell and multi-cell lithium-ion/lithium-polymer battery charger ICs, fuel gauge ICs, and battery protection ICs designed for portable consumer electronics including smartphones, wireless earbuds, smartwatches, and tablet devices.

4. LED Driver ICs: Constant-current LED driver ICs for backlighting applications in LCD displays and general illumination. These devices support LED string voltages up to 45V and deliver constant current outputs suitable for consumer lighting applications. All products sold in China are standard catalog parts that are available globally through HSAG's authorized distribution network. The Shanghai Entity does not sell

1. Consumer Electronics Manufacturers: Chinese OEMs and ODMs that design and manufacture smartphones, tablets, laptop computers, wireless earbuds, smartwatches, portable speakers, and other consumer devices. This category represents the Shanghai Entity's largest customer segment, accounting for approximately 45% of FY2022 revenue.

2. Smartphone OEMs: Major Chinese smartphone brands that incorporate HSAG PMICs into their handset designs. HSAG's products are used for battery charging, power rail management, and display backlighting functions in these devices.

3. White Goods and Appliance Manufacturers: Chinese manufacturers of household appliances, including refrigerators, washing machines, air conditioners, and small kitchen appliances. HSAG PMICs are used in the electronic control boards and user interface modules of these products. This category accounts for approximately 18% of FY2022 revenue.

4. Automotive Tier 1 Suppliers (Non-Defense): Chinese automotive Tier 1 suppliers that supply infotainment systems, body electronics modules, instrument clusters, and seat control modules to major automotive OEMs. All automotive applications served by the Shanghai Entity are strictly non-defense, non-military, and relate solely to commercial passenger vehicle electronics. This category accounts for approximately 15%

5. LED Lighting Manufacturers: Chinese LED lighting manufacturers that produce commercial and residential lighting fixtures. This category accounts for approximately 12% of FY2022 revenue.

6. Other Consumer Applications: The remaining approximately 10% of revenue is derived from sales to manufacturers of power tools, e-bikes, personal care electronics, and other miscellaneous consumer products. No sales have been made by the Shanghai Entity to any PRC military end-user, any PRC paramilitary end-user, any PRC intelligence or security service, or any entity that the Shanghai Entity knows or has reason to

1. Research and Development: No research and development of any semiconductor technology, including but not limited to circuit design, process technology development, materials science research, device physics research, or advanced packaging development, is conducted at the Shanghai Entity or at any other location in the PRC by or on behalf of HSAG.

2. Manufacturing and Fabrication: No manufacturing, fabrication, processing, packaging, assembly, or testing of semiconductor wafers, dies, or finished devices is conducted at the Shanghai Entity or at any other location in the PRC by or on behalf of HSAG. HSAG does not own, operate, lease, or have access to any semiconductor fabrication facility, cleanroom, assembly line, or test floor in the PRC.

3. GaN and III-V Compound Semiconductor Design: No design, development, characterization, or engineering of GaN-based devices, GaAs devices, InP devices, or any other III-V compound semiconductor products is conducted at the Shanghai Entity or at any other location in the PRC by or on behalf of HSAG.

4. Defense, Radar, Satellite, and 5G Infrastructure Activities: No activities related to defense systems, military radar, electronic warfare, satellite communications, or 5G infrastructure base station power amplifiers are conducted at the Shanghai Entity or at any other location in the PRC by or on behalf of HSAG.

5. ITAR-Controlled Activities: No development, production, handling, storage, or transfer of ITAR-controlled defense articles, defense services, or technical data is conducted at the Shanghai Entity or at any other location in the PRC by or on behalf of HSAG.

6. Classified Information: No access to, storage of, processing of, or transmission of any classified information — whether classified under U.S. government classification systems, German government classification systems, or any other national classification system — occurs at the Shanghai Entity or at any other location in the PRC by or on behalf of HSAG. HSAG does not hold any facility security clearances in the P

7. Controlled Technology under ECCNs 3A001, 3A991, or 3E001: No activities subject to the export controls applicable to items classified under ECCN 3A001 (controlled electronic devices) or ECCN 3E001 (technology for the development or production of items controlled under ECCN 3A001) are conducted at the Shanghai Entity. While certain products classified under ECCN 3A991 are sold through the Shanghai Entity, as noted

8. Joint Research and Technology Sharing with PRC Government-Affiliated Entities: HSAG does not maintain any joint research agreements, joint development agreements, technology-sharing arrangements, cooperative research programs, or sponsored research relationships with any PRC government-affiliated research institution, PRC university, PRC national laboratory, or PRC state-owned enterprise. The Shanghai Entity has n

V. FINANCIAL SUMMARY OF CHINA OPERATIONS A. Revenue. For the fiscal year ended December 31, 2022, Halcyon Semiconductor (Shanghai) Co., Ltd. generated total revenue of $81.4 million (USD equivalent, converted from RMB at the average FY2022 USD/RMB exchange rate of approximately 6.73). This revenue represents sales of consumer-grade PMICs to Chinese commercial and consumer electronics customers, as described in Sectio

VI. RELATIONSHIP TO THE PROPOSED TRANSACTION AND VPI A. No Overlap with VPI's Business HSAG confirms unequivocally that Halcyon Semiconductor (Shanghai) Co., Ltd. has no business relationship, contractual relationship, or commercial dealings of any kind with Marlowe Asset Management Photonics Inc. The Shanghai Entity has never sold products to VPI, purchased products from VPI, licensed technology to or from VPI, ente

1. IT Segregation: VPI's IT systems — including all servers, workstations, storage systems, network infrastructure, email systems, collaboration platforms, and cloud computing resources — will be physically and logically separated from HSAG's global IT network, including any systems that are accessible from or connected to the Shanghai Entity's office. VPI will maintain its own independent IT infrastructure, managed

2. Data Segregation: No VPI data — whether classified, controlled unclassified information ("CUI"), ITAR-controlled technical data, EAR-controlled technology, proprietary trade secrets, or unclassified business information — will be stored on, processed by, transmitted through, or accessible from any HSAG system in China. All VPI data will reside exclusively on VPI's U.S.-based IT infrastructure, and access to such d

3. Personnel Segregation: No employees, contractors, or agents of the Shanghai Entity will have access to VPI facilities, VPI personnel, VPI IT systems, VPI technical data, VPI intellectual property, or any information relating to VPI's products, customers, or programs. No VPI employees will report to, take direction from, or share information with any personnel of the Shanghai Entity. No personnel transfers between

4. Physical Access Controls: No personnel of the Shanghai Entity will be granted physical access to any VPI facility, including VPI's semiconductor fabrication facility in Albuquerque, New Mexico, or VPI's design center in Richardson, Texas. All VPI facilities will maintain physical access control systems that restrict entry to authorized VPI personnel and approved visitors in accordance with the facility security re

5. Consistency with Mitigation Framework: The commitments described above are consistent with, and in many cases exceed, the data segregation, Technology Control Plan ("TCP"), cybersecurity, and governance provisions that HSAG has proposed as part of its comprehensive mitigation framework, as set forth in Exhibit G to the Joint Notice (Proposed Mitigation Measures). HSAG is prepared to formalize these commitments in

VII. PRC REGULATORY AND GOVERNMENT RELATIONS A. PRC Government Interactions The Shanghai Entity is subject to standard PRC regulatory requirements applicable to wholly foreign-owned enterprises operating in the PRC, including requirements related to business registration, corporate income tax, value-added tax, individual income tax withholding, labor and employment law, social insurance contributions, and compliance

VIII. EXPORT COMPLIANCE AND SANCTIONS HSAG maintains a comprehensive global trade compliance program that is overseen by HSAG's Vice President of Trade Compliance, Dr. Anke Weiland, who reports directly to HSAG's General Counsel, Stefan Lohse, LL.M. The trade compliance program is headquartered at HSAG's Dresden offices and is supported by a team of 14 full-time trade compliance professionals located in Dresden, Aust

1. Restricted-Party Screening: All customers, end-users, intermediaries, and other counterparties of the Shanghai Entity are screened against the following restricted-party lists prior to initial engagement and on a recurring quarterly basis: the U.S. BIS Entity List (Supplement No. 4 to Part 744 of the EAR); the U.S. BIS Military End-User List (Supplement No. 7 to Part 744 of the EAR); the U.S. BIS Unverified List (

2. End-Use and End-User Controls: The Shanghai Entity's sales personnel are trained to identify and report any red flags indicative of potential military end-use, proliferation-related end-use, or diversion to restricted end-users. HSAG's trade compliance team reviews all new customer engagements and, where warranted, requires end-use certificates or statements prior to shipment.

3. Product Classification: All products distributed through the Shanghai Entity are classified under the EAR by HSAG's trade compliance team. Product classifications are documented in HSAG's product classification database and are reviewed annually or upon any change in product specifications.

4. Training: All employees of the Shanghai Entity with sales, applications engineering, or logistics responsibilities receive annual trade compliance training covering U.S. export controls (EAR), U.S. sanctions (OFAC), EU export controls, and HSAG's internal compliance policies. HSAG has not been the subject of any enforcement action, civil penalty, criminal penalty, voluntary self-disclosure ("VSD"), or formal inves

IX. CERTIFICATIONS AND REPRESENTATIONS HSAG hereby certifies, through its undersigned counsel, that the information provided in this Supplemental Exhibit is, to the best of HSAG's knowledge and belief after reasonable inquiry, true, accurate, and complete in all material respects. HSAG has made a good-faith effort to provide the Committee with a comprehensive and transparent account of its China operations in respons

X. CONCLUSION In summary, HSAG's operations in the People's Republic of China, conducted exclusively through Halcyon Semiconductor (Shanghai) Co., Ltd., are limited in scope, scale, and strategic significance and present no national security concerns in connection with the proposed acquisition of Marlowe Asset Management Photonics Inc. The key characteristics of HSAG's China operations may be summarized as follows: •