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page 69 - How data are reported: methodological note

HOW DATA ARE REPORTED: METHODOLOGICAL NOTE

SCOPE OF CONSOLIDATION

Social data are consolidated for all Group companies worldwide that are fully consolidated, regardless of their activity (industrial or research sites, commercial affiliates, administrative headquarters), with the exception of Merial(1). At the end of 2009, health and safety data (occupational accidents and injuries) covered the same scope. Environmental data (including spending and investments) are consolidated for all industrial and research sites. Environmental impact measured as CO2 emissions from all company vehicles includes all Pharmaceutical Operations affiliates. The environmental impact of administrative headquarters locations is not included within this scope. Social, health, safety and environmental data are wholly integrated into the scope of consolidation (full data integration).

CHANGES IN SCOPE

Within the Group, changes in scope (new sites, site closings, transfers of activity) between 2008 and 2009 were analyzed according to predefined rules in order to assess Group performance on a scope that is comparable from one period to the next. Detailed information about scope modifications is available at http://en.sanofi-aventis.com/sustainability/sustainability.asp

REPORTING GUIDELINES

In order to ensure the uniformity and reliability of indicators used for all entities, the Group implemented standard reporting guidelines covering social factors as well as safety and environmental factors. These documents specify the methodologies to be used for indicator reporting for the entire Group: definitions, methodological principles, calculation formulas and emission factors. In addition, sanofi-aventis adopted standard data collection tools:

These tools and guidelines are updated and improved on a regular basis.

ADDITIONAL INFORMATION AND METHODOLOGICAL LIMITS

The methodological principles for certain HSE and social indicators may have limits due to:

As a result, we make every effort to list the definitions and methodology used for the following indicators and, where appropriate, the confidence limits involved.

(1) Because sanofi-aventis intends to contribute Merial to a joint venture and consequently lose exclusive control (see Note D.8.1 to the consolidated financial statements, page 238 of the 2009 Document de Référence), Merial’s data are not reported notwithstanding the fact that on December 31, 2009, Merial was a wholly owned subsidiary of sanofi-aventis. Merial, whose global workforce included 5,601 employees as of December 31, 2009, has approximately 15 industrial sites, 9 research and development sites and a number of administrative offices including its headquarters located in Lyon (France) and Duluth (Georgia, USA).