The logo of Societe Generale is seen on the headquarters at the financial and business district of La Defense near Paris, France, February 4, 2020. REUTERS/Benoit Tessier

The logo of Societe Generale is seen on the headquarters at the financial and business district of La Defense near Paris, France, February 4, 2020. REUTERS/Benoit Tessier

The headquarter skyscraper offices of Societe Generale stand at the financial and business district of La Defense near Paris, France, February 4, 2020. REUTERS/Benoit Tessier

The Societe Generale logo is seen outside a bank office in Paris, France, February 4, 2020. REUTERS/Charles Platiau

The Societe Generale logo is seen outside a bank office in Paris, France, February 4, 2020. REUTERS/Charles Platiau

The logo of Societe Generale bank is pictured on an office building in Nantes, France, July 21, 2017. REUTERS/Stephane Mahe

French bank Societe Generale Chief Executive Officer Frederic Oudea (2ndL) and Deputy Chief Executive Officer Severin Cabannes (2ndR) attend a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

French bank Societe Generale Chief Executive Officer Frederic Oudea (L) and Deputy Chief Executive Officer Severin Cabannes attend a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

French bank Societe Generale Chief Executive Officer Frederic Oudea (2ndL) speaks during a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

A general view shows French bank Societe Generale headquarters buildings in La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

French bank Societe Generale Chief Executive Officer Frederic Oudea (L) and Deputy Chief Executive Officer Severin Cabannes attend a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

French bank Societe Generale Chief Executive Officer Frederic Oudea (C), Deputy Chief Executive Officers Severin Cabannes (R) and Bernardo Sanchez Incera (L) attend a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

French bank Societe Generale Chief Executive Officer Frederic Oudea attends a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

French bank Societe Generale Chief Executive Officer Frederic Oudea (L) and Deputy Chief Executive Officer Severin Cabannes attend a news conference to present the company's 2015 annual results La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

A logo is seen is seen in front of French bank Societe Generale headquarters in La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

A general view shows French bank Societe Generale headquarters buildings in La Defense near Paris, France, February 11, 2016. Societe Generale posted a lower than expected rise in fourth-quarter net income on Thursday after it set aside an additional 400 million euros ($450.4 million) to cover litigation costs. REUTERS/Benoit Tessier

General view of the logo outside a branch of French bank Societe Generale in Paris September 13, 2011. Chief executive Frederic Oudea told a German financial daily newspaper that the French bank's exposure to periphery euro zone bonds is low and its liquidity situation is comfortable. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS LOGO)

A passer-by walks in front of cash machines of French bank Societe Generale in Marseille, September 13, 2011. Chief executive Frederic Oudea told a German financial daily newspaper that the French bank's exposure to periphery euro zone bonds is low and its liquidity situation is comfortable. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: BUSINESS)

Detail with the letters SG are seen on a branch of French bank Societe Generale in Paris September 13, 2011. Chief executive Frederic Oudea told a German financial daily newspaper that the French bank's exposure to periphery euro zone bonds is low and its liquidity situation is comfortable. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS)

General view of a branch of French bank Societe Generale in Paris September 13, 2011. Chief executive Frederic Oudea told a German financial daily newspaper that the French bank's exposure to periphery euro zone bonds is low and its liquidity situation is comfortable. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS)

General view of the logo outside a branch of French bank Societe Generale in Paris September 13, 2011. Chief executive Frederic Oudea told a German financial daily newspaper that the French bank's exposure to periphery euro zone bonds is low and its liquidity situation is comfortable. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS LOGO)

General view of the logo of outside a branch of French bank Societe Generale in Paris September 13, 2011. Chief executive Frederic Oudea told a German financial daily newspaper that the French bank's exposure to periphery euro zone bonds is low and its liquidity situation is comfortable. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS LOGO)

Pierre Baer, CEO of Singapore and Southeast Asia for Societe Generale Private Banking, speaks during the Reuters Wealth Management Summit in Singapore October 13, 2008. REUTERS/Vivek Prakash (SINGAPORE)

French bank Societe Generale's Chief Executive Daniel Bouton (C), President of the French Parliamentary finance committee Didier Migaud (R) and Ariane Obolensky (L), French banking Federation CEO, attend a parliamentary hearing at the National Assembly in Paris April 9, 2008. French bank Societe Generale is tightening its controls in the light of a rogue-trading scandal which cost it 4.9 billion euros ($7.73 billion) but Bouton said that banks in general remained vulnerable to fraud. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (L) poses for the photographers before a parliamentary hearing at the National Assembly in Paris April 9, 2008. French bank Societe Generale is tightening its controls in the light of a rogue-trading scandal which cost it 4.9 billion euros ($7.73 billion) but Bouton said that banks in general remained vulnerable to fraud. Picture taken using a special lens. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (C) poses for the photographers before a parliamentary hearing at the National Assembly in Paris April 9, 2008. French bank Societe Generale is tightening its controls in the light of a rogue-trading scandal which cost it 4.9 billion euros ($7.73 billion) but Bouton said that banks in general remained vulnerable to fraud. Picture taken using a special lens. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (L), speaks with President of the French Parliamentary finance committee Didier Migaud (R) during a parliamentary hearing at the National Assembly in Paris April 9, 2008. French bank Societe Generale is tightening its controls in the light of a rogue-trading scandal which cost it 4.9 billion euros ($7.73 billion) but Bouton said that banks in general remained vulnerable to fraud. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (C), President of the French Parliamentary finance committee Didier Migaud (R) and Ariane Obolensky (L), French banking Federation CEO, attend a parliamentary hearing at the National Assembly in Paris April 9, 2008. French bank Societe Generale is tightening its controls in the light of a rogue-trading scandal which cost it 4.9 billion euros ($7.73 billion) but Bouton said that banks in general remained vulnerable to fraud. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (L) speaks with President of the French Parliamentary finance committee Didier Migaud (R) during a parliamentary hearing at the National Assembly in Paris April 9, 2008. Bouton said he saw no reason for a credit squeeze in France. He also said that banks should ask themselves whether and how they should mark to market assets in illiquid markets once the financial crisis was over. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (L) speaks with President of the French Parliamentary finance committee Didier Migaud (R) during a parliamentary hearing at the National Assembly in Paris April 9, 2008. Bouton said he saw no reason for a credit squeeze in France. He also said that banks should ask themselves whether and how they should mark to market assets in illiquid markets once the financial crisis was over. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton (C) arrives for a parliamentary hearing at the National Assembly in Paris April 9, 2008. Bouton said he saw no reason for a credit squeeze in France. He also said that banks should ask themselves whether and how they should mark to market assets in illiquid markets once the financial crisis was over. REUTERS/Philippe Wojazer (FRANCE)

French bank Societe Generale's Chief Executive Daniel Bouton pose for the photographers before a parliamentary hearing at the National Assembly in Paris April 9, 2008. Bouton said he saw no reason for a credit squeeze in France. He also said that banks should ask themselves whether and how they should mark to market assets in illiquid markets once the financial crisis was over. REUTERS/Philippe Wojazer (FRANCE)