Marta Osowska | White & Case LLP International Law Firm, Global Law Practice
 Marta Osowska
 Marta Osowska

Marta Osowska

Associate, Warsaw

T +48 22 50 50 119

E [email protected]


Marta Osowska focuses her practice on corporate and commercial law, in particular on mergers and acquisitions projects, as well as transforming and merging commercial companies.

Marta cooperates with the aerospace and defense practice of the Warsaw office. Her experience includes advising on defense procurements, offset projects and industrial cooperation programs.

Bars and Courts

  • Advocate, Regional Bar Chamber in Warsaw


  • Master's Degree, University of Warsaw, Faculty of Law and Administration
  • University of Florida Levin College of Law
  • Socrates-Erasmus scholarship, University of Copenhagen
  • American Law Center at Faculty of Law and Administration (in cooperation with University of Florida), University of Warsaw


  • English
  • Polish



Represented a Central European hard coal producer, on its rights issue and placement of ordinary shares creating a circa €150 million fund.  This deal was part of the wider restructuring of the client's Group.

Aasa Polska

Advised client in the investment and restructuring process in the consumer lending business operating in Poland, the Czech Republic and Sweden.

P4 sp. z o.o.

Advised Poland-based mobile telecoms operator on its groundbreaking, inaugural EUR 870 million and PLN 130 million, dual-tranche high-yield bond issue and entry into a new super senior revolving credit facility. As of the transaction day, it was the largest debut high-yield bond deal since 2010, the largest Central & Eastern Europe high-yield deal ever, the second largest European telecoms debut ever and the first ever Polish zloty-denominated high-yield bond issued on the international capital markets.

P4 sp. z o.o.

Represented a Poland-based mobile telecoms operator in a tap issuance involving a high yield bond offering of an additional €125 million of the Issuer's 5.25% Senior Secured Notes due 2019.

Polenergia S.A.

Represented Société Générale, Bank Zachodni WBK S.A. and DM PKO Banku Polskiego as global coordinators in PLN 189 million (€46 million) sale by Mansa Investments sp. z o.o. (a subsidiary of the investment vehicle Kulczyk Investments S.A.) in the form of accelerated book-building of 15.4% the share capital of Polenergia S.A.

Play Topco S.A.

Advised the indirect shareholder of Polish mobile telecoms operator P4 Sp. z o.o., on its €415 million senior PIK toggle notes offering.

Euromedic International

Advised Euromedic International, a leading pan-European medical service provider, on the acquisition of a 100% stake in NU-MEDIC Pracownie Diagnostyczne sp. z o.o. (a company operating seven diagnostic centers in northern Poland) and one diagnostic center from NU-Med Grupa S.A.

Harris Corporation

Negotiated and advised Harris Corporation, an international communications and information technology company serving government and commercial markets in more than 125 countries, on the offset contract concluded with the State Treasury of the Republic of Poland on digital tactical radios and accessories.

Lockheed Martin Corporation

Advised client, a global security and aerospace company, on the largest Polish offset contract on the delivery of F-16 aircraft. Value: US$6,028 billion.

Lockheed Martin UK

Advised client with respect to the acquisition of an advanced training system for military pilots by the Polish Ministry of Defense.