Catherine Maison-Blanche

Catherine Maison-Blanche

Senior Consultant

Catherine joined the firm at the beginning of 2010.

She graduated from the IEP “Sciences-Po” Paris and started her career in 1986 at the SBF (Société des Bourses Françaises) in the legal department. From 1992, she worked at the Issuers’ Directorate of the SBF and gained extensive experience in corporate finance transactions, being the privileged interlocutor of listed issuers, financial advisers and law firms.

From 1996, Catherine continued her career at the French Authority Market, the CMF (Conseil des Marchés Financiers) and AMF (Autorité des Marchés Financiers). She acted as general secretary of the board of those authorities for a decade.

From 2004, she decided to join lawyer firms and worked at Freshfields Bruckhaus Deringer and then Clifford Chance.

She has expert knowledge of stock exchange law and public M&A transactions (public offer, governance, regulated information, market abuse issues).

Published Work

  • Le sort des actifs d’une société cible en cas d’offre publique de prise de contrôle non sollicitée (affaire Veolia Suez), RTDF n° 1/2 – 2021
  • Les modifications du règlement général de l'AMF relatives aux offres publiques d'acquisition liées à l'entrée en vigueur de la Loi Florange, BRDA, n° 14, July 2014
  • Les agences de conseil en vote : réflexion sur l’encadrement des pratiques, Bulletin Joly Bourse, September 2013
  • Refonte du régime de déclaration de franchissement de seuils : de la détention potentielle à la détention virtuelle, Option Finance, n° 1190, October 2012
  • Période de pré-offre publique : éclairage et réflexions pratiques, Revue Bimestrielle LexisNexis Jurisclasseur, May/June 2011
  • Asymétrie d'information : le vrai garde-fou passe par la responsabilisation des acteurs, JCPG n° 17, April 2010

Speaking Engagements

Recent Public M&A Experience

  • MVG shareholders on the disposal of their majority stake in MVG
  • The Tabur family on the disposal of its 22.62% stake in Mr. Bricolage to SIMB.
  • Allianz Vie on the disposal of its stake in Euler Hermes under an accelerated book building process (ABB).
  • UBS Limited, acting as one of the sponsoring banks of the public public offer on Faively Transport.
  • NNS Holding on the merger of equals between cement giants Holcim and Lafarge.
  • Seagate on the acquisition of LaCie, a French leading manufacturer of consumer digital storage products.
  • Vector Capital in connection with its proposed investment in Technicolor.
  • Honeywell in connection with its public offer on Sperian Protection.
  • Grontmij on the acquisition of a majority stake in Ginger and subsequent public offer. Teaching
  • Teacher -  Master 2 DAI -  Université Panthéon - Assas
  • Teacher - Majeure Droit des Affaires et Fiscalité 

Qualifications

Academic

IEP Paris – Service Public  - 1986

Master of Arts – Paris X – Preparatory class for literary studies – 1983

Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.