In accordance with Section 15a German Securities Trading Act (WpHG) the members of the Executive Board and the Supervisory Board of Merck KGaA as well as persons with regular access to inside information and who are authorized to make important managerial decisions are obliged immediately to notify Merck KGaA, Darmstadt, Germany, and the Federal Financial Supervisory Authority (BaFin) of own transactions in shares of Merck KGaA, Darmstadt, Germany, or financial instruments based on them. This obligation applies also to other parties who are closely associated with such persons such as spouses, registered civil partners and dependent children. Merck KGaA, Darmstadt, Germany, is obliged to immediately publish the information. A respective provision is also contained in Section 6.6. German Corporate Governance Codex.