Case C-499/11 P: Judgment of the Court (First Chamber) of 18 July 2013 — The Dow Chemical Company, Dow Deutschland Inc., Dow Deutschland Anlagengesellschaft mbH, Dow Europe GmbH v European Commission (Appeal — Agreements, decisions and concerted practices — Market in butadiene rubber and emulsion styrene butadiene rubber — Fixing price targets, sharing clients through non-aggression agreements and exchanging commercial information — Imputability of the offending conduct — Discretion enjoyed by the Commission — Multiplier for deterrence — Equal treatment)