Sonja Siggberg
Sonja Siggberg
Sonja's practice includes capital markets transactions and other transactions involving listed companies as well as corporate governance related matters. She has advised clients in a number of equity and debt capital market transactions (both domestic and international), including IPOs, secondary share issues, complex corporate transactions, public takeovers and bond issues. She is also a trusted advisor in disclosure, insider and corporate governance matters as well as other securities markets related regulatory matters.
She has a lot of experience and her work is of excellent quality.
Capital Markets | Chambers Global, 2023
References
Parties
NYAB AB, Dovre Group Plc
Transaction
NYAB AB's acquisition of Dovre Group Plc’s Norwegian consulting business and global project personnel business.
Deal Value
EUR 34 million
Role
Counsel to NYAB AB
Parties
Sampo plc and Topdanmark A/S
Transaction
Sampo plc's recommended public exchange offer for the shares in Topdanmark A/S
Deal Value
DKK 33 billion
Role
Counsel to Sampo plc
Parties:
Kemppi Group Oy, Kempower Corporation
Transaction:
Counsel to Kemppi Group Oy, the majority owner of Kempower Corporation, in the placing of 3.4 million shares in Kempower Corporation
Deal value:
EUR 102 million
Role:
Counsel to Kemppi Group Oy
Hannes Snellman advises NYAB Plc on its re-domiciliation and transfer of listing from Finland to Sweden. The re-domiciliation to Sweden is planned to be executed as a cross-border conversion, pursuant to the so-called EU Mobility Directive, whereby NYAB Plc, without being dissolved or liquidated, would be converted from a Finnish to a Swedish public limited liability company with its registered office in Sweden.
Parties:
Terveystalo Plc
Transaction:
Counsel to Terveystalo Plc, a healthcare service provider listed on Nasdaq Helsinki, in the issue and listing of senior unsecured sustainability-linked notes.
Value:
EUR 100 million
Role:
Counsel to Terveystalo Plc
Parties:
Uponor Corporation (target), Georg Fischer Ltd (buyer)
Transaction:
Counsel to Uponor Corporation in the recommended public cash tender offer by Georg Fischer Ltd to purchase all of the issued and outstanding shares of Uponor Corporation.
Value:
EUR 2.1 billion
Role:
Counsel to Uponor Corporation
Parties:
Sega Europe Limited and SEGA Corporation (Buyers) Rovio Entertainment Corporation (Target)
Transaction:
Counsel to Sega Europe Limited and SEGA Corporation in the recommended public cash tender offer for all shares and options in Rovio Entertainment Corporation.
Deal value:
Approximately EUR 706 million
Role:
Counsel to Sega Europe Limited and SEGA Corporation
Parties:
Cargotec Corporation, Konecranes Plc
Transaction:
The announced, but subsequently abandoned, merger of Cargotec and Konecranes in 2021-2022
Deal value:
Approx. EUR 2.7 billion
Role:
Counsel to Konecranes Plc
Parties
The German State (Buyer), Fortum Oyj (Seller), Uniper SE (Target)
Transaction
Fortum Oyj’s arrangements related to stabilisation of its German subsidiary Uniper SE. The package will ensure multi-billion funding for Uniper, sale of Fortum’s shareholding in Uniper to the German State for approximately EUR 0.5 billion as well as repayment of Fortum’s EUR 4 billion receivables from Uniper and release of EUR 4 billion parent company guarantees.
Deal value
Approx. EUR 4.5 billion
Role
Finnish counsel to Fortum Oyj
Parties
Viking Line Abp
Transaction
Counsel to Viking Line Abp on its EUR 51.8 million issue of new shares with pre-emptive rights for existing shareholders.
Deal Value
EUR 51.8 million
Role
Counsel to Viking Line Abp
Parties
Altia Plc, Arcus ASA
Transaction
Merger of Altia Plc and Arcus ASA to form Anora Group
Deal value
Preliminary aggregated annual revenue EUR 640 million
Role
Lead counsel to Altia Plc
Parties
Virala Acquisition Company Plc, Purmo Group Ltd
Transaction
Virala Acquisition Company Plc's merger with Purmo Group Ltd.
Deal Value
EUR 685 million
Role
Counsel to Virala Acquisition Company Plc
Parties
Virala Acquisition Company Plc
Transaction
Hannes Snellman acted as legal counsel to Virala Acquisition Company Plc on its IPO and the listing of its Class C shares on the SPAC segment of the regulated market of Nasdaq Helsinki
Deal Value
EUR 107.5 million
Role
Counsel to Virala Acquisition Company Plc
Parties
Vaaka Partners (Seller)
Transaction
Vaaka Partners' sale of their shares held in Musti Group Plc through an accelerated book-building process.
Deal Value
Value not public
Role
Counsel to Vaaka Partners
Parties
Ahlstrom-Munksjö Oyj (target), a consortium consisting of Ahlström Capital, Bain Capital Private Equity, Viknum and Belgrano Inversiones (buyer)
Transaction
Recommended public cash tender offer for all shares in Ahlstrom-Munksjö Oyj by Spa Holdings 3 Oy
Deal value
Approximately EUR 2.1 billion
Role
Counsel to the consortium
Parties
Local Tapiola Finance Ltd
Transaction
Local Tapiola Finance Ltd's issue of EUR 115,000,000 2-year senior unsecured floating rate notes
Deal Value
Value not public
Role
Counsel to Local Tapiola Finance Ltd
Parties
Cramo Plc, Adapteo Plc
Transaction
Cramo’s partial demerger and listing of Adapteo on Nasdaq Stockholm
Deal Value
SEK 5.5 billion
Role
Counsel to Cramo Plc and Adapteo Plc
Parties
Ahlstrom-Munksjö
Transaction
Ahlstrom-Munksjö's EUR 150 million rights issue to partly finance the acquisition of Expera Specialty Solutions
Deal Value
EUR 150 million
Role
Counsel to Ahlstrom-Munksjö
Parties
LocalTapiola Mutual Life Insurance Company
Transaction
LocalTapiola Mutual Life Insurance Company’s issue of EUR 100 million capital notes
Deal Value
Value 100 million
Role
Counsel to LocalTapiola Mutual Life Insurance Company
Parties
Ahlstrom-Munksjö (Buyer), Expera Specialty Solutions (Target), KPS Capital Partners (Seller)
Transaction
Ahlstrom-Munksjö’s acquisition of Expera Specialty Solutions, a U.S.-based specialty paper producer
Deal Value
USD 615 million
Role
Counsel to Ahlstrom-Munksjö
Parties
YIT Oyj
Transaction
Issue of EUR 100 million and EUR 150 million senior notes by YIT Oyj
Deal Value
EUR 250 million
Role
Counsel to YIT Oyj
Parties
The State of Finland (seller), Altia Plc (target)
Transaction
Altia Plc’s IPO and listing on the official list of Nasdaq Helsinki
Deal Value
Over EUR 270 million
Role
Counsel to Altia Plc
Parties
Suomen Terveystalo Oy
Transaction
Terveystalo’s IPO and listing on the Nasdaq Helsinki stock exchange
Deal Value
The offering by the company and its shareholders was over EUR 870 million and the Company’s market value was over EUR 1.2 billion
Role
Counsel to Terveystalo
Parties
Lemminkäinen Corporation and YIT Corporation
Transaction
The combination of Lemminkäinen Corporation and YIT Corporation through a statutory merger
Deal Value
EUR 771 million
Role
Counsel to Lemminkäinen
Parties
Ahlstrom Oyj, Munksjö Oyj
Transaction
The combination of Ahlstrom and Munksjö through a merger
Deal Value
Approx. EUR 1,2 billion
Role
Lead counsel to Ahlstrom
Parties
Sampo plc (Buyer), Topdanmark A/S (Target)
Transaction
Sampo plc’s mandatory public cash offer for all outstanding shares in Topdanmark A/S
Deal Value
Value not public
Role
Counsel to Sampo plc
Parties
Acorda Therapeutics (Bidder), Biotie Therapies (Target)
Transaction
Acorda Therapeutics' public tender offer of the shares and other securities in Biotie Therapies
Deal Value
USD 363 million
Role
Counsel to Biotie Therapies Corp.
Parties
Faron Pharmaceuticals Ltd
Transaction
Faron Pharmaceuticals Ltd's IPO and listing on the AIM market of the London Stock Exchange as well as the preceding fundraising of approx. GBP 10 million
Deal Value
Approx. GBP 10 million
Role
Counsel to Faron Pharmaceuticals Ltd
Parties
Biotie Therapies Corp.
Transaction
Public offering and listing of Biotie Therapies Corp.’s shares on the NASDAQ Global Select Market New York
Deal Value
Approx. EUR 83 million
Role
Counsel to Biotie Therapies Corp.
Parties
Asiakastieto Group Plc
Transaction
Asiakastieto Group Plc’s IPO and listing on the Helsinki Stock Exchange
Deal Value
Approx. EUR 170 million
Role
Counsel to Asiakastieto Group Plc
Rankings
- Recognised as Highly Regarded and ranked among Women Leaders in Capital Markets and M&A, IFLR1000, 2024
- "Sonja Siggberg is very responsive and has a holistic view of matters. She is one of the few generalists in the field who can take multiples aspects from different areas of law into account. The partner in charge is always on top of things and knows what the team is working.", Capital Markets, Legal 500, 2024
- "She has a lot of experience and her work is of excellent quality.", Capital Markets, Chambers Global 2023
- '"She is technically good," remark interviewees.', Capital Markets, Chambers Global 2022
- Ranked as a Highly regarded lawyer in Capital Markets and M&A in the 2021 edition of IFLR1000
- 'Sonja Siggberg "is very proactive, hands-on and always makes me feel like I receive very practical advice which allows me to move forward," says a client. She is well known for her ECM practice, being particularly active in listings.', Capital Markets, Chambers Global and Chambers Europe, 2021
- Ranked in Capital Markets in Chambers Europe 2020
- 'One client highlights her technical expertise in the capital markets area.', Chambers Europe, 2019
- 'Sources say that she is "a skilled capital markets lawyer," adding: "She is proactive and has a good, client-friendly approach."', Chambers Europe, 2018
- Ranked in Capital Markets in the 2017 edition of Legal 500
- Ranked as an "outstanding up and comer" in the 2017 edition (Finland: Capital Markets) of Chambers Europe
- Described as "a very dedicated and ambitious lawyer with a deep knowledge of company law." Sources also say that she is "a good listener.", Chambers Europe, 2017
- Ranked among the Rising stars in the 2017-2020 editions (Finland: M&A) of IFLR1000
Memberships and Positions of Trust
- Member of the Finnish Bar Association, 2005
Education and Professional Background
- Partner, Hannes Snellman, 2014 -
- Managing Associate, Hannes Snellman, 2012 – 2013
- Senior Associate, Hannes Snellman, 2005 – 2011
- Visiting lawyer, Mannheimer Swartling, Berlin, 2003
- Associate, Hannes Snellman, 2001 – 2005
- Master of Laws, University of Helsinki, 2001