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ESMA Publishes Statement on the Impact of a No-Deal Brexit on Its Databases

On February 5, the European Securities and Markets Authority (ESMA) issued a statement on the impact the UK’s exit from the European Union on March 29 (Exit Day) without an agreement on transitional arrangements being in place with the European Union (no-deal Brexit) would have on ESMA’s databases.

In the scenario of a no-deal Brexit, from March 30, ESMA will stop receiving data from the UK Financial Conduct Authority, which will no longer have access to ESMA’s IT applications and databases, meaning no new UK-related data will be received, processed or published on ESMA’s website.

ESMA’s statement particularly focuses on the implications for transparency calculations (under the revised Markets in Financial Instruments Directive and the Markets in Financial Instruments Regulation) performed using The various ESMA databases, including:

  • The obligation to submit reference data;

  • Reporting transaction data to home competent authorities and routing relevant transactions to the relevant competent authority;

  • Changes to annual transparency calculations for equity instruments;

  • Transparency calculations for non-equity instruments;

  • Adjusting calculations for the determination of systematic internalizers;

  • Double volume cap reporting; and

  • Ancillary activity calculations.

In the event that the timing and conditions of Brexit change, ESMA comments that it will modify its approach for its IT applications and databases and will inform the public of this as soon as possible.

The full statement is available here.

©2019 Katten Muchin Rosenman LLP


About this Author

John Ahern, Financial Attorney, London, Katten Law Firm

John Ahern, partner at Katten Muchin Rosenman UK LLP and head of the London Financial Services group, focuses his practice on banking, financial services, UK and European financial markets, and related regulations. His background in private practice and as in-house counsel at a global investment bank provides him with perspective on the unique regulatory issues facing the wholesale and private banking sectors. John advises multilateral trading facilities, broker-dealers and banks on trading, clearing and settlement as well as custody of securities—both physical and...

+44 (0) 20 7770 5253
Carolyn H. Jackson, International Attorney, Katten Muchin law firm

Carolyn Jackson is a partner in Katten Muchin Rosenman UK LLP and is a Registered Foreign Lawyer. She provides US financial regulatory legal advice to a broad range of market participants, including commercial banks, investment banks, investment managers, broker-dealers, electronic trading platforms, clearinghouses, trade associations and over-the-counter derivatives service providers.

Carolyn guides clients in the structuring and offering of complex securities, commodities and derivatives transactions and in complying with US securities and commodities laws and regulations. 

+44 0 20 7776 7625
Nathaniel Lalone, Katten Muchin Law Firm, Financial Institutions Attorney
Senior Associate

Nathaniel Lalone, a partner at Katten Muchin Rosenman UK LLP, has a broad range of experience in the regulation of financial products and financial markets, and frequently provides regulatory and compliance advice to trading venues, clearing houses and buy-side firms active in the over-the-counter (OTC) derivatives, futures and securities markets. He is actively involved in advising clients on the implementation of MiFID 2 and MiFIR in the European Union as well as the international reach of US financial services regulation. He also has significant experience with structuring...

+44 0 20 7776 7629
Neil Robson, private equity fund managers counselor, Katten Law Firm, London

Neil Robson, a regulatory and compliance partner with Katten Muchin Rosenman LLP, focuses his practice on counseling hedge and private equity fund managers and other investment advisers on operational, regulatory and compliance issues. He regularly addresses Financial Conduct Authority (FCA) and EU authorization and compliance under both the EU Alternative Investment Fund Managers Directive (AIFM Directive) and MiFID, cross-border issues in the financial services sector, market abuse, anti-money laundering and regulatory capital requirements, formations and buyouts of...