Note 1 General

ABB Ltd, Zurich, Switzerland (the Company) is the parent company of the ABB Group. Its unconsolidated financial statements are prepared in accordance with Swiss law and serve as complementary information to the consolidated financial statements.

The financial statements have been prepared in accordance with Article 957 et seqq. of Title 32 of the new Swiss Code of Obligations, which is effective as of January 1, 2013, with a transition period of 3 years.

Certain prior-year amounts have been reclassified to conform to the current year’s presentation and have been marked with an asterisk (*). These primary relate to the changes due to the new Swiss Code of Obligations.

Group companies are all companies in which the Company, directly or indirectly, has more than 50% of the voting rights or over which it exerts a decisive influence. A Group company is fully consolidated.