WORKING GROUP LIST
Halcyon Semiconductor Aktiengesellschaft
US Initial Public Offering of American Depositary Shares (Level III ADR Program)
Matter Number: 1032-00003
CONFIDENTIAL — ATTORNEY WORK PRODUCT
Prepared as of January 22, 2026 To be updated periodically
Prepared by
Calderwood & Harkness LLP One Liberty Plaza, 42nd Floor New York, NY 10006
NOTICE: This working group list contains confidential contact information for all parties involved in the proposed US initial public offering of American Depositary Shares by Halcyon Semiconductor Aktiengesellschaft. Distribution of this document is limited strictly to working group members and their authorized representatives. Recipients should not forward or otherwise distribute this document without the prior consent of Calderwood & Harkness LLP. Please notify Calderwood & Harkness promptly of any changes to the information set forth herein, including changes to personnel, contact details, or roles, so that a revised version may be circulated to all working group members in a timely manner.
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I. ISSUER — HALCYON SEMICONDUCTOR AKTIENGESELLSCHAFT
A. Halcyon Semiconductor AG — Executive Management
Entity: Halcyon Semiconductor Aktiengesellschaft
Principal Executive Offices:
Maximilianstraße 72 80539 Munich, Germany
Frankfurt Stock Exchange Ticker: FRA: HCY (Prime Standard)
Commercial Register: HRB 217458, Amtsgericht München
Legal Entity Identifier (LEI): 5299007KBTVZ3XQHGL48
The following members of the Management Board (Vorstand) and executive management team of Halcyon Semiconductor AG are designated as working group participants for purposes of the proposed US IPO:
Wilhelm Ostermann, General Counsel, serves as the primary point of contact for the issuer on all legal matters relating to the offering. Day-to-day business and operational diligence requests should be coordinated through Mr. Ostermann's office unless otherwise directed by the issuer. Financial diligence requests, including requests for historical financial data, management accounts, projections, and auditor communications, should be directed to Katarina Dalmqvist, Chief Financial Officer.
Dr. Friedrich Wendt and Katarina Dalmqvist will serve as the primary management presenters during the investor roadshow and will participate in drafting sessions for the Management's Discussion and Analysis and Business sections of the Registration Statement on Form F-1.
B. Halcyon Semiconductor AG — Supervisory Board
The following member of the Supervisory Board (Aufsichtsrat) of Halcyon Semiconductor AG has been designated to participate in working group communications regarding corporate governance matters and Supervisory Board approvals in connection with the offering:
All communications with members of the Supervisory Board should be coordinated through Wilhelm Ostermann, General Counsel, in the first instance, except as otherwise agreed among the working group members.
II. SELLING SHAREHOLDERS
The following entities are selling shareholders in the proposed offering. Each selling shareholder has agreed, subject to the terms of the underwriting agreement, to sell the number of ordinary shares (in the form of ADSs) set forth below as part of the secondary component of the offering.
A. Rheintal Industrieholding GmbH
Entity: Rheintal Industrieholding Gesellschaft mit beschränkter Haftung
Registered Address:
Königsallee 60 40212 Düsseldorf, Germany
Role: Selling Shareholder
Pre-IPO Ownership: Approximately 22.3% of the outstanding ordinary shares of Halcyon Semiconductor AG (47,945,000 ordinary shares)
Shares Being Sold: Approximately 8,500,000 ordinary shares, to be deposited with the depositary bank and represented by 4,250,000 ADSs in the offering
Margarethe Wendt serves as the sole designated contact for Rheintal Industrieholding GmbH in connection with the proposed offering. All lock-up, selling shareholder questionnaire, and documentation matters relating to Rheintal Industrieholding GmbH should be directed to Ms. Wendt.
B. Kestrel Capital Partners AG
Entity: Kestrel Capital Partners Aktiengesellschaft
Registered Address:
Bahnhofstrasse 36 8001 Glenrock Assurance, Switzerland
Role: Selling Shareholder
Pre-IPO Ownership: Approximately 9.7% of the outstanding ordinary shares of Halcyon Semiconductor AG (20,855,000 ordinary shares)
Shares Being Sold: Approximately 4,300,000 ordinary shares, to be deposited with the depositary bank and represented by 2,150,000 ADSs in the offering
Henrik Sørensen serves as the primary designated contact for Kestrel Capital Partners AG in connection with the proposed offering. All lock-up, selling shareholder questionnaire, and documentation matters relating to Kestrel Capital Partners AG should be directed to Mr. Sørensen.
III. US COUNSEL TO THE ISSUER — CALDERWOOD & HARKNESS LLP
Entity: Calderwood & Harkness LLP
Address:
One Liberty Plaza, 42nd Floor New York, NY 10006
Role: US securities counsel to Halcyon Semiconductor AG in connection with the proposed offering, including responsibility for the preparation, filing, and SEC review of the Registration Statement on Form F-1 and the Registration Statement on Form F-6, preparation of the underwriting agreement, lock-up agreements, deposit agreement, and related offering documentation, and coordination of the overall transaction process and working group.
Matter Number: 1032-00003
Vivienne St. Claire serves as the responsible partner for the engagement and will be the primary senior contact for the issuer and underwriters on all material legal and strategic matters relating to the offering. Claire Dempsey serves as the lead associate and is responsible for day-to-day coordination of the working group, management of the transaction timetable, and circulation of drafts and document revisions. All updates or corrections to this Working Group List should be directed to Claire Dempsey. Leonard Cross is responsible for all US federal income tax aspects of the offering, including the material US tax consequences disclosure in the prospectus and any related tax opinion.
IV. GERMAN COUNSEL TO THE ISSUER — BÄHR STEIN RECHTSANWÄLTE
Entity: Bähr Stein Rechtsanwälte Partnerschaftsgesellschaft mbB
Address:
Bockenheimer Landstraße 20 60323 Frankfurt am Main, Germany
Role: German legal counsel to Halcyon Semiconductor AG in connection with the proposed offering, including responsibility for advice on German corporate governance matters, German securities law and regulation (including BaFin considerations), Supervisory Board and shareholder approvals, Frankfurt Stock Exchange listing obligations and cross-listing coordination, and the preparation of the German law legal opinion and German law disclosure letter to be delivered at closing.
Dr. Christoph Maurelban is the lead partner for the German legal engagement and the primary point of contact for all German law questions. Johanna Weiß is responsible for day-to-day coordination with the issuer's German legal team and with Calderwood & Harkness on cross-border documentation matters, including the coordination of the corporate authorization process and the delivery of closing opinions.
V. UNDERWRITERS
The following financial institutions constitute the underwriting syndicate for the proposed offering. The underwriters are expected to enter into an underwriting agreement with the issuer and the selling shareholders providing for a firm commitment underwriting of the ADSs. The allocation of economics among the members of the underwriting syndicate is set forth below for reference purposes and is subject to the terms of the agreement among underwriters.
A. Lead Left Bookrunner — Westbridge Securities LLC
Entity: Westbridge Securities LLC
Address:
383 Madison Avenue New York, NY 10179
Role: Lead left bookrunner; representative of the underwriting syndicate; lock-up consent agent. Westbridge Securities LLC will serve as the lead managing underwriter for the offering and will coordinate syndicate communications, book-building, and allocation.
Share of Economics: 40% of gross spread (estimated at approximately $12,600,000 based on the midpoint of the price range and the base deal size)
Jonathan Hartwell is the senior investment banking contact for the lead left bookrunner. Day-to-day syndicate coordination, book-building matters, and lock-up consent requests should be directed to Mr. Hartwell and his team.
B. Joint Bookrunner — Pinnacle Morgan & Co., Inc.
Entity: Pinnacle Morgan & Co., Inc.
Address:
200 Park Avenue New York, NY 10166
Role: Joint bookrunner
Share of Economics: 30% of gross spread (estimated at approximately $9,450,000 based on the midpoint of the price range and the base deal size)
Sarah Okonkwo is the primary contact at Pinnacle Morgan & Co., Inc. for all matters relating to the offering.
C. Joint Bookrunner — Andover Barcliffe Group Inc.
Entity: Andover Barcliffe Group Inc.
Address:
1251 Avenue of the Americas New York, NY 10020
Role: Joint bookrunner
Share of Economics: 20% of gross spread (estimated at approximately $6,300,000 based on the midpoint of the price range and the base deal size)
David Reinhardt is the primary contact at Andover Barcliffe Group Inc. for all matters relating to the offering.
D. Co-Manager — Northpointe Capital LLC
Entity: Northpointe Capital LLC
Address:
140 Broadway New York, NY 10005
Role: Co-manager
Share of Economics: 10% of gross spread (estimated at approximately $3,150,000 based on the midpoint of the price range and the base deal size)
Lisa Cheng is the primary contact at Northpointe Capital LLC for all matters relating to the offering.
VI. US COUNSEL TO THE UNDERWRITERS — VAREN & KESSLER LLP
Entity: Varen & Kessler LLP
Address:
51 West 52nd Street New York, NY 10019
Role: US legal counsel to the underwriting syndicate in connection with the proposed offering, including responsibility for the underwriters' due diligence review, negotiation of the underwriting agreement and related documentation on behalf of the underwriters, preparation of the underwriters' legal opinion, and review and comment on the Registration Statement and prospectus.
Martin Ashford is the lead partner for the engagement and the primary senior contact for the underwriting syndicate on all legal matters relating to the offering. Priya Ranganathan is responsible for day-to-day coordination with Calderwood & Harkness and the underwriters on documentation, due diligence, and comment drafts.
VII. GERMAN COUNSEL TO THE UNDERWRITERS — PRUMVANE THORNTON LLP
Entity: Prumvane Thornton LLP (Frankfurt Office)
Address:
Neue Mainzer Straße 52 60311 Frankfurt am Main, Germany
Role: German legal counsel to the underwriting syndicate in connection with the proposed offering, including responsibility for German law due diligence on behalf of the underwriters, review and negotiation of German law aspects of the offering documentation, and preparation of the German law legal opinion to be delivered on behalf of the underwriters at closing.
Dr. Stefan Braun is the lead partner for the German law engagement on behalf of the underwriting syndicate and the primary contact for all German law matters, including coordination with Bähr Stein Rechtsanwälte on German law diligence and opinion matters.
VIII. INDEPENDENT AUDITORS — BLACKMERE & WHITFIELD
A. Blackmere & Whitfield GmbH Wirtschaftsprüfungsgesellschaft (Munich — German Audit Office)
Entity: Blackmere & Whitfield GmbH Wirtschaftsprüfungsgesellschaft
Address:
Ganghoferstraße 29 80339 Munich, Germany
Role: Independent auditors to Halcyon Semiconductor AG; lead audit engagement office. Blackmere & Whitfield GmbH Wirtschaftsprüfungsgesellschaft has served as the independent auditor of Halcyon Semiconductor AG since fiscal year 2019 and has audited the consolidated financial statements of Halcyon prepared in accordance with International Financial Reporting Standards (IFRS) as adopted by the European Union for each of the three most recently completed fiscal years to be included in the Registration Statement.
Dieter Kaufmann is the lead engagement partner for the Halcyon audit engagement and should be contacted for all matters relating to the historical audit, including requests for access to audit workpapers and management letters.
B. Blackmere & Whitfield LLP (New York — US PCAOB-Registered Firm)
Entity: Blackmere & Whitfield LLP
Address:
7 Times Square New York, NY 10036
Role: US PCAOB-registered audit firm contact; comfort letter coordination. Blackmere & Whitfield LLP will coordinate the issuance of the accountants' comfort letter (and any bring-down comfort letter) to the underwriters in accordance with the standards of the Public Company Accounting Oversight Board and Statement on Auditing Standards No. 72 (as amended). The PCAOB registration number and related information will be confirmed in connection with the preparation of the consent to be filed as an exhibit to the Registration Statement.
Graham Templeton is the primary US-based contact for the auditors and should be contacted for all matters relating to the comfort letter process, PCAOB registration, and coordination with US counsel to the issuer and counsel to the underwriters on auditor-related closing deliverables.
IX. DEPOSITARY BANK — MERIDIAN TRUST COMPANY, N.A.
Entity: Meridian Trust Company, National Association
Address:
101 Barclay Street New York, NY 10286
Role: Depositary bank for the Level III American Depositary Receipt program to be established in connection with the proposed offering. Meridian Trust Company, N.A. will serve as the depositary under the deposit agreement to be entered into among Halcyon Semiconductor AG, Meridian Trust Company, N.A., and all holders and beneficial owners of ADSs from time to time. The depositary will issue American Depositary Shares, each representing two (2) ordinary shares (Stammaktien) of Halcyon Semiconductor AG, no par value. The deposit agreement, the form of American Depositary Receipt, and the Registration Statement on Form F-6 will be prepared by Calderwood & Harkness LLP in coordination with Meridian Trust Company, N.A.
Patricia Novak is the primary contact at Meridian Trust Company, N.A. for all matters relating to the deposit agreement, Form F-6 registration, ADS issuance mechanics, custodian arrangements, and ongoing depositary bank services.
X. TRANSFER AGENT / ADS REGISTRAR — CRESTFIELD TRANSFER SERVICES INC.
Entity: Crestfield Transfer Services Inc.
Address:
6201 15th Avenue Brooklyn, NY 11219
Role: Transfer agent and registrar for the American Depositary Shares in the United States. Crestfield Transfer Services Inc. will maintain the register of holders of ADSs and will process transfers, exchanges, and cancellations of ADSs in coordination with the depositary bank and in accordance with the terms of the deposit agreement.
Angela Moretti is the primary contact at Crestfield Transfer Services Inc. for all matters relating to ADS registration, transfer agency services, DWAC/DRS processing, and corporate actions coordination.
XI. FINANCIAL ADVISOR TO THE ISSUER — ASHTON & BURKE ADVISORY GmbH
Entity: Ashton & Burke Advisory Gesellschaft mit beschränkter Haftung
Address:
Theatinerstraße 11 80333 Munich, Germany
Role: Independent financial advisor to Halcyon Semiconductor AG in connection with the proposed US listing. Ashton & Burke Advisory GmbH is advising the issuer on valuation considerations, offering timing and market conditions, capital structure optimization, and investor relations strategy in connection with the establishment of the US ADR program and the proposed IPO. Ashton & Burke Advisory GmbH is not acting as an underwriter or placement agent and will not participate in the distribution of the ADSs.
Lukas Frey is the primary contact at Ashton & Burke Advisory GmbH for all matters relating to the financial advisory engagement.
XII. US INVESTOR RELATIONS ADVISOR — BRIDGEPORT INVESTOR RELATIONS LLC
Entity: Bridgeport Investor Relations LLC
Address:
350 Fifth Avenue, Suite 6820 New York, NY 10118
Role: US investor relations and communications advisor to Halcyon Semiconductor AG. Bridgeport Investor Relations LLC will assist the issuer with the development and execution of the US investor relations strategy in connection with the roadshow and the ongoing public company investor relations program following the listing, including coordination with the underwriters on investor targeting, preparation of investor presentation materials (in coordination with US counsel), media strategy, and analyst day planning.
Thomas Harding is the primary contact at Bridgeport Investor Relations LLC for all matters relating to investor relations and communications in connection with the offering.
XIII. D&O INSURANCE BROKER — CLEARWATER D&O INSURANCE BROKERS LTD.
Entity: Clearwater D&O Insurance Brokers Ltd.
Address:
30 Fenchurch Street London EC3M 3BD, England
Role: Insurance broker engaged by Halcyon Semiconductor AG to place the US-compliant directors' and officers' liability insurance program in connection with the proposed US IPO and Nasdaq listing. The D&O insurance program is being structured to provide total policy limits of $75,000,000, inclusive of Side A (non-indemnifiable loss), Side B (corporate reimbursement), and Side C (entity securities claim coverage) components, on terms customary for a foreign private issuer conducting an IPO in the United States.
Emma Callister is the primary contact at Clearwater D&O Insurance Brokers Ltd. for all matters relating to the placement and binding of the D&O insurance program, including coordination with issuer's counsel on the timing of binding coverage relative to the effectiveness of the Registration Statement and pricing of the offering.
XIV. ISSUER'S MATERIAL US SUBSIDIARY — HALCYON SEMICONDUCTOR USA INC.
Entity: Halcyon Semiconductor USA Inc.
State of Incorporation: Delaware
Registered Address:
1209 Orange Street Wilmington, DE 19801
Principal Office:
2500 Augustine Drive, Suite 100 Santa Clara, CA 95054
Employer Identification Number (EIN): 84-3927561
Role: US sales, application engineering, and customer support subsidiary. Halcyon Semiconductor USA Inc. is a wholly owned (100%) subsidiary of Halcyon Semiconductor AG and serves as the issuer's primary operating entity in the United States, responsible for US-based sales operations, application engineering services, and customer technical support. Halcyon Semiconductor USA Inc. is expected to be identified as a significant subsidiary of the issuer in the Registration Statement.
Note: Day-to-day contact for all US subsidiary matters in connection with the proposed offering should be directed through Wilhelm Ostermann, General Counsel, Halcyon Semiconductor AG (w.ostermann@halcyon-semi.de / +49 89 XXXX-1003), unless the working group is otherwise instructed by the issuer.
XV. TARGET LISTING VENUE
The following information summarizes the target listing venue and registration statement forms for the proposed offering:
The issuer intends to qualify as a "foreign private issuer" within the meaning of Rule 405 under the Securities Act and Rule 3b-4 under the Securities Exchange Act of 1934, as amended, at the time of filing and effectiveness of the Registration Statements. The issuer's eligibility for foreign private issuer status will be confirmed by US counsel to the issuer prior to the initial filing of the Registration Statement on Form F-1.
XVI. KEY TRANSACTION TERMS SUMMARY
The following is a summary of certain key transaction terms for reference by working group members. All terms are preliminary and subject to change based on market conditions, SEC review, and final negotiation of the offering documentation, including the underwriting agreement.
— End of Working Group List —
Please direct any updates or corrections to this Working Group List to:
Claire Dempsey Lead Associate, Capital Markets Calderwood & Harkness LLP One Liberty Plaza, 42nd Floor New York, NY 10006
Email: cdempsey@calderwoodharkness.com
Phone: +1 212 XXX-5003
Revision History:
CONFIDENTIAL — ATTORNEY WORK PRODUCT
Calderwood & Harkness LLP
This document is protected by the attorney work product doctrine and may contain information that is privileged and confidential. It is intended solely for the use of the individuals and entities identified herein as working group members. Any unauthorized review, use, disclosure, or distribution is prohibited. If you have received this document in error, please notify Calderwood & Harkness LLP immediately and destroy all copies.
| Name | Title | Phone | Mailing Address | |
| Dr. Friedrich Wendt | Chief Executive Officer (Vorstandsvorsitzender) | +49 89 XXXX-1001 | f.wendt@halcyon-semi.de | Maximilianstraße 72, 80539 Munich, Germany |
| Katarina Dalmqvist | Chief Financial Officer (Finanzvorstand) | +49 89 XXXX-1002 | k.lindqvist@halcyon-semi.de | Maximilianstraße 72, 80539 Munich, Germany |
| Wilhelm Ostermann | General Counsel (Chefjustitiar) | +49 89 XXXX-1003 | w.ostermann@halcyon-semi.de | Maximilianstraße 72, 80539 Munich, Germany |
| Ingrid Baumann | Chief Operating Officer | +49 89 XXXX-1004 | i.baumann@halcyon-semi.de | Maximilianstraße 72, 80539 Munich, Germany |
| Dr. Marcus Helder | Chief Technology Officer | +49 89 XXXX-1005 | m.helder@halcyon-semi.de | Maximilianstraße 72, 80539 Munich, Germany |
| Name | Title | Phone | ||
| Prof. Dr. Anneliese Voss | Chair of the Supervisory Board (Aufsichtsratsvorsitzende) | +49 711 XXXX-2001 | a.voss@halcyon-semi.de | |
| Name | Title | Phone | Mailing Address | |
| Margarethe Wendt | Managing Director (Geschäftsführerin) | +49 211 XXXX-3001 | m.wendt@rheintal-holding.de | Königsallee 60, 40212 Düsseldorf, Germany |
| Name | Title | Phone | Mailing Address | |
| Henrik Sørensen | Managing Partner | +41 44 XXXX-4001 | h.sorensen@kestrelcap.ch | Bahnhofstrasse 36, 8001 Glenrock Assurance, Switzerland |
| Name | Role | Phone | Mailing Address | |
| Vivienne St. Claire | Responsible Partner, Capital Markets | +1 212 XXX-5001 | vstclaire@calderwoodharkness.com | One Liberty Plaza, 42nd Floor, New York, NY 10006 |
| Robert Adeyemi | Billing Partner, Capital Markets | +1 212 XXX-5002 | radeyemi@calderwoodharkness.com | One Liberty Plaza, 42nd Floor, New York, NY 10006 |
| Claire Dempsey | Lead Associate, Capital Markets | +1 212 XXX-5003 | cdempsey@calderwoodharkness.com | One Liberty Plaza, 42nd Floor, New York, NY 10006 |
| Audrey Zhou | Working Associate, Capital Markets | +1 212 XXX-5004 | azhou@calderwoodharkness.com | One Liberty Plaza, 42nd Floor, New York, NY 10006 |
| Leonard Cross | Specialist Partner, Tax | +1 212 XXX-5005 | lcross@calderwoodharkness.com | One Liberty Plaza, 42nd Floor, New York, NY 10006 |
| Name | Role | Phone | Mailing Address | |
| Dr. Christoph Maurelban | Partner, Capital Markets | +49 69 XXXX-6001 | c.feuerbach@bahrstein.de | Bockenheimer Landstraße 20, 60323 Frankfurt am Main, Germany |
| Johanna Weiß | Senior Associate | +49 69 XXXX-6002 | j.weiss@bahrstein.de | Bockenheimer Landstraße 20, 60323 Frankfurt am Main, Germany |
| Name | Title | Phone | Mailing Address | |
| Jonathan Hartwell | Managing Director, Global Equity Capital Markets | +1 212 XXX-7001 | j.hartwell@westbridgesec.com | 383 Madison Avenue, New York, NY 10179 |
| Name | Title | Phone | Mailing Address | |
| Sarah Okonkwo | Director, Equity Capital Markets | +1 212 XXX-7101 | s.okonkwo@pinnaclemorgan.com | 200 Park Avenue, New York, NY 10166 |
| Name | Title | Phone | Mailing Address | |
| David Reinhardt | Managing Director, ECM | +1 212 XXX-7201 | d.reinhardt@andoverbarcliffe.com | 1251 Avenue of the Americas, New York, NY 10020 |
| Name | Title | Phone | Mailing Address | |
| Lisa Cheng | Vice President, ECM | +1 212 XXX-7301 | l.cheng@northpointecap.com | 140 Broadway, New York, NY 10005 |
| Name | Role | Phone | Mailing Address | |
| Martin Ashford | Partner, Capital Markets | +1 212 XXX-8001 | mashford@varenkessler.com | 51 West 52nd Street, New York, NY 10019 |
| Priya Ranganathan | Senior Associate | +1 212 XXX-8002 | pranganathan@varenkessler.com | 51 West 52nd Street, New York, NY 10019 |
| Name | Role | Phone | Mailing Address | |
| Dr. Stefan Braun | Partner, Frankfurt Capital Markets | +49 69 XXXX-9001 | s.braun@haldanethornton.com | Neue Mainzer Straße 52, 60311 Frankfurt am Main, Germany |
| Name | Role | Phone | Mailing Address | |
| Dieter Kaufmann | Lead Engagement Partner (Wirtschaftsprüfer) | +49 89 XXXX-1101 | d.kaufmann@bw-audit.de | Ganghoferstraße 29, 80339 Munich, Germany |
| Name | Role | Phone | Mailing Address | |
| Graham Templeton | Partner, New York | +1 212 XXX-1201 | g.templeton@bw-audit.com | 7 Times Square, New York, NY 10036 |
| Name | Title | Phone | Mailing Address | |
| Patricia Novak | Vice President, Depositary Receipts | +1 212 XXX-1301 | p.novak@meridiantrust.com | 101 Barclay Street, New York, NY 10286 |
| Name | Title | Phone | Mailing Address | |
| Angela Moretti | Director, Corporate Actions | +1 718 XXX-1401 | a.moretti@crestfieldtransfer.com | 6201 15th Avenue, Brooklyn, NY 11219 |
| Name | Title | Phone | Mailing Address | |
| Lukas Frey | Managing Partner | +49 89 XXXX-1501 | l.frey@ashtonburke.de | Theatinerstraße 11, 80333 Munich, Germany |
| Name | Title | Phone | Mailing Address | |
| Thomas Harding | Senior Vice President | +1 212 XXX-1601 | t.harding@bridgeportir.com | 350 Fifth Avenue, Suite 6820, New York, NY 10118 |
| Name | Title | Phone | Mailing Address | |
| Emma Callister | Vice President, Financial Lines | +44 20 XXXX-1701 | e.callister@clearwaterdno.co.uk | 30 Fenchurch Street, London EC3M 3BD, England |
| Item | Detail | |||
| Exchange | Nasdaq Global Select Market |
| Proposed Ticker Symbol | HCYN | |
| Registration Statement (Offering) | Form F-1 under the Securities Act of 1933, as amended | |
| Registration Statement (ADR Program) | Form F-6 under the Securities Act of 1933, as amended | |
| Term | Detail | |
| Offering Type | Level III ADR Initial Public Offering | |
| Total ADSs Offered (Base Deal) | 21,400,000 ADSs | |
| — Primary ADSs | 15,000,000 ADSs (representing 30,000,000 newly issued ordinary shares) | |
| — Secondary ADSs | 6,400,000 ADSs (representing 12,800,000 existing ordinary shares sold by the selling shareholders) | |
| ADS Ratio | 1 ADS = 2 ordinary shares (Stammaktien), no par value | |
| ADS Price Range | $39.00 – $45.00 per ADS | |
| Targeted Gross Proceeds (Base Deal, Midpoint) | Approximately $900,000,000 | |
| Overallotment Option | Up to 3,210,000 additional ADSs (15% of the base deal) | |
| Gross Spread | 3.50% of the public offering price per ADS | |
| Lock-Up Period | 180 days from the date of pricing | |
| Lock-Up Consent Agent | Westbridge Securities LLC | |
| Existing Listing | Frankfurt Stock Exchange (FRA: HCY), Prime Standard | |
| Halcyon LEI | 5299007KBTVZ3XQHGL48 | |
| Version | Date | Description |
| 1.0 | January 22, 2026 | Initial version — Organizational Meeting distribution |