Société Générale — Capital/Financing Update 2009

May 28, 2009

Press Release

Paris, 28 May 2009

Société Générale preference share issue

In compliance with the authorisation given by the General Meeting of Shareholders on 19 May 2009, Société Générale issued 45,045,045 preference shares to the French state-owned investment company, SPPE ("Société de Prise de Participation de l'Etat"), at a unit price of €37.74, for a sum total of €1.7bn. The share issue took place on 28 May 2009.

These preference shares, which do not carry voting rights and are not convertible into ordinary shares, are issued under the French Economic Support Plan ("Plan Français de Soutien à l'Economie").

Subsequent to this share issue, the Group's Core Tier one and Tier One ratios at 31/03/2009 are 7% and 9.2%, respectively, on a pro forma basis.

Société Générale

Société Générale is one of the largest financial services groups in the euro-zone. The Group employs 163,000 people worldwide in three key businesses:

• Retail Banking & Financial Services: Société Générale serves more than 30 million individual customers worldwide. Global Investment Management & Services: Société Générale is one of the largest banks in the euro-zone in terms
• of assets under custody (EUR 2 762 billion, March 2009) and under management (EUR 332 billion, March 2009). Corporate & Investment Banking: Société Générale ranks among the leading banks worldwide in euro capital markets, derivatives and structured finance.

Société Générale is included in 3 socially-responsible investment indexes: FTSE4Good, ASPI and Ethibel. www.socgen.com

PRESS RELATIONS SOCIETE GENERALE Stéphanie CARSON-PARKER +33 (0)1 42 14 95 77 Hélène MAZIER +33 (0)1 58 98 72 74

Laura SCHALK +33 (0)1 42 14 52 86 P.A +33(0)1 42 14 49 48 Fax +33(0)1 42 14 28 98 SOCIETE GENERALE COMM/PRS 75886 PARIS CEDEX 18 www.socgen.com A French corporation with share capital of EUR 725,909,055 552 120 222 RCS PARIS