Fergus Bolster is a partner in the firm’s Corporate M&A Group, where he advises on mergers and acquisitions, capital markets transactions, corporate restructurings and reorganisations (including corporate re-domiciliation and demerger transactions), financings and investments and corporate governance.
Fergus represents public and private companies, financial sponsors, State bodies and investment banks, transacting in a variety of industries and sectors, including technology, energy and healthcare. He has led the Matheson teams advising on some of the largest and most-complex public and private M&A, capital markets, corporate restructuring and inbound and outbound re-domiciliation transactions of recent years in the Irish market. Fergus is widely recognised for his actionable advice and understanding of the issues faced by Irish public companies listed in the US, in particular relating to the interaction of Irish and US corporate and securities laws.
Fergus counsels corporate clients on a broad range of governance and business-related matters, including directors’ duties and responsibilities, ESG, disclosure obligations and compliance matters. This advice is often provided to boards and individual directors in situations where the satisfaction of their fiduciary duties may be subject to public or enhanced scrutiny.
Areas of Expertise
Experience and Education
Fergus has advised:
- A consortium led by Pandox AB on its €1.4 billion recommended cash offer for Dalata Hotel Group plc.
- NYSE listed MariaDB plc on its recommended public takeover by K1.
- NYSE listed Aon plc on its US$13.4 billion acquisition of NFP.
- Spanish listed Cellnex Telecom S.A. on the sale of its Irish business to Phoenix Towers International for €971 million.
- Circle Internet Financial Limited on all aspects of its re-domiciliation from Ireland to Delaware.
- Orion Infrastructure Capital on the provision of a structured equity facility of up to US$110 million to NYSE listed Carbon Revolution plc.
- Mainstream Renewable Power on a cross-border restructuring of approximately US$1.5 billion in liabilities.
- An ad hoc crossover group of lenders on a US$1.9 billion financial restructuring of NYSE listed Mallinckrodt plc, which was implemented through a combined use (for the second time in two years) of the US Chapter 11 bankruptcy process and an Irish examinership restructuring process.
- MariaDB plc on its business combination with Angel Pond Holdings Corporation and initial public listing on the NYSE in a deal valuing the combined entity at US$672 million.
- Circle Internet Financial Limited on its announced transaction to go public on the NYSE through a business combination with Concord Acquisition Corp in a deal valuing the combined entity at US$9 billion.
- ProKidney LP on its business combination with Social Capital Suvretta Holdings Corp. III and initial public listing on Nasdaq in a deal valuing the combined entity at US$2.64 billion.
- The principal group of bond holders on a US$5.3 billion debt-for-equity swap, refinancing and re-listing of Mallinckrodt plc on the NYSE, which was implemented through a combined use of the US Chapter 11 bankruptcy process and an Irish examinership restructuring process.
- NYSE listed STERIS plc on its US$3.6 billion acquisition of Cantel Medical Group and related US$1.35 billion senior notes securities’ offering.
- Weatherford International plc on its US$1.15 billion public listing on Nasdaq.
- Fastball Holdings LLC on the US$4.2bn sale of its stake in the FanDuel Group to Flutter Entertainment plc.
- Aon, the global consulting and professional services firm, on its US$38 billion corporate re-domiciliation from the UK to Ireland, and the listing of its new Irish registered holding company, Aon plc, on the NYSE.
- Weatherford International plc, the Irish registered, NYSE listed parent of the Weatherford group of companies, on one of the largest and most complex cross-border corporate restructurings in Irish corporate history. In a highly innovative legal structure, the transaction, which involved a US$7.4 billion debt-for-equity swap and refinancing, was implemented through the first ever combined use of the US Chapter 11 bankruptcy process and an Irish examinership restructuring process.
- The Ireland Strategic Investment Fund on its investment in the Irish based AMCS Group, the world’s leading supplier of integrated software and vehicle technology for the resource management, waste collection and recycling industry.
- The Ireland Strategic Investment Fund on a secondary block sale of a significant percentage of its stake in Greencoat Renewables plc.
- Cimpress on its US$3.1 billion corporate re-domiciliation from The Netherlands to Ireland, and the listing of its new Irish registered holding company, Cimpress plc, on Nasdaq.
- STERIS, a leading provider of infection prevention and other procedural products and services, on its US$10.5 billion corporate re-domiciliation from the UK to Ireland, and the listing of its new Irish registered holding company, STERIS plc, on the NYSE.
- The Ireland Strategic Investment Fund, the cornerstone investor in Greencoat Renewables plc, on the floatation of Greencoat on the AIM market of the London Stock Exchange and the Euronext Growth market of Euronext Dublin.
- Weatherford International plc on over US$7.5 billion in listed equity, debt and hybrid securities offerings.
- Worldview Capital on its hostile takeover of London and Dublin listed Petroceltic International plc (being the first successful hostile takeover of an Irish public company).
- Weatherford on its US$17.2 billion corporate re-domiciliation from Switzerland to Ireland, and the listing of its new Irish registered holding company, Weatherford International plc, on the NYSE.
Fergus earned his Bachelor of Civil Law (B.C.L. (Hons.)) from University College Cork and, before practicing law, interned as a Legal Stagiaire in the International Law Division of the Irish Department of Foreign Affairs in Dublin.

