Case T-82/08: Judgment of the General Court of 27 September 2012 — Guardian Industries and Guardian Europe v Commission (Competition — Agreements, decisions and concerted practices — Market for flat glass in the EEA — Decision finding an infringement of Article 81 EC — Price-fixing — Evidence of the infringement — Calculation of the amount of the fines — Exclusion of captive sales — Obligation to state the reasons on which the decision is based — Equal treatment — Mitigating circumstances)