ADP Automatic Data Processing Inc

Regulatory News:

In application of IFRS 8, Aéroports de Paris (Paris:ADP) (Pink Sheets:AEOPF) adopted a new segmentation of its activities as of January 1st 2009. This new segmentation makes our financial information more readily comparable with that of our European peers, especially Schiphol Group.

• Pro forma 9M 2008 revenue:

In millions of euros   30/09/08 as published   Transfer of commercial activities to “Retail & Services”   Transfer of SDA to “Retail & Services”   Intra-segment eliminations   Inter-segment eliminations   30/09/08

pro forma

Aviation 1,482.8 -436.5 - - -25.3 1,021.0 Retail & Services - 436.5 134.8 -48.6 113.0 635.7 Real Estate 155.5 - - - - 155.5 Ground Handling 150.7 - - -0.6 0.1 150.2 Other activities 290.4 - -134.8 -3.7 0.2 152.1 Eliminations -194.1 - - 52.9 -88.0 -229.2 Consolidated Revenue 1,885.3 - - - - 1,885.3

Website: www.aeroportsdeparis.fr

Aéroports de Paris

Registered office: 291, boulevard Raspail, 75014 Paris

A Société anonyme with a share capital of 296,881,806 euros

552 016 628 RCS Paris

Aéroports de Paris builds, develops and manages airports including Paris-Charles de Gaulle, Paris-Orly and Paris-Le Bourget. Aéroports de Paris is Europe's second-largest airport group in terms of airport revenue and the European leader for freight and mail. Aéroports de Paris accommodates nearly 460 airlines, including the main companies in the air transport industry. With an exceptional geographic location and a major catchment area, the Group is pursuing its strategy of adapting and modernizing its terminal facilities and upgrading quality of services, and also intends to develop its retail and real estate business. In 2008, Aéroports de Paris had revenues of €2,527.0 million, and the Group handled 87.1 million passengers.