Judgment of the Court of First Instance (Third Chamber) of 8 July 2008 - Knauf Gips v Commission (Case T-52/03) Competition - Cartels - Plasterboard market - Decision finding an infringement of Article 81 EC - Access to the file - Single and continuous infringement - Liability - Fine - Guidelines on the method of setting fines - Cooperation during the administrative procedure 1. Competition - Administrative procedure - Observance of the rights of the defence - Access to the file - Scope - Refusal to communicate an incriminating document - Consequences on the level of the burden of proof on the undertaking concerned (Art. 81(1) EC; Council Regulation No 17, Art. 19(1)) (see paras 43-47, 67, 70) 2. Competition - Administrative procedure - Hearings - Obligation on the Hearing Officer to draw up a final report on observance of the right to be heard - Scope (Commission Decision 2001/462, Arts 15 and 16) (see paras 122-123, 125-126) 3. Competition - Administrative procedure - Observance of the rights of the defence - Infringement by reason of insufficient linguistic knowledge on the part of the officials handling the procedure - Not included (Art. 81(1) EC) (see paras 136-138) 4. Competition - Agreements, decisions and concerted practices - Adverse effect on competition - Criteria for assessment - Anti-competitive purpose - Sufficient (Art. 81(1) EC) (see paras 161-162, 172, 175) 5. Competition - Agreements, decisions and concerted practices - Adverse effect on competition - Agreement creating an information exchange system - Not permissible in an oligopolistic market - Rebuttable presumption (Art. 81(1) EC) (see paras 187-190, 260-262) 6. Competition - Agreements, decisions and concerted practices - Concerted practice - Meaning - Parallel conduct - Presumption that a concerted practice exists - Limits (Art. 81(1) EC) (see paras 216, 222) 7. Competition - Agreements, decisions and concerted practices - Concerted practice - Meaning - Coordination and cooperation incompatible with the obligation on each undertaking to determine independently its conduct on the market - Receipt by a trader of information from a competitor about its future market conduct (Art. 81(1) EC) (see paras 275-280) 8. Competition - Agreements, decisions and concerted practices - Agreements and concerted practices constituting a single infringement - Evidence - Evidence adduced by a certain number of different manifestations of the infringement - Lawfulness (Art. 81(1) EC) (see paras 309-310) 9. Competition - Agreements, decisions and concerted practices - Agreements and concerted practices constituting a single infringement - Undertakings that may be held responsible for participating in an overall cartel - Criteria (Art. 81(1) EC) (see paras 312, 315-316, 320, 413) 10. Competition - Agreements, decisions and concerted practices - Undertaking - Meaning - Economic entity - Attribution of infringements - Group of companies without their own legal personality (Art. 81(1) EC) (see paras 340-342, 350-351) 11. Competition - Community rules - Infringements - Attribution - Legal person responsible for the running of the undertaking at the time of the infringement (Art. 81(1) EC) (see paras 354-355) 12. Competition - Fines - Decision imposing fines - Obligation to state the reasons on which the decision is based - Scope - Indication of the factors which led the Commission to assess the gravity and the duration of the infringement - Sufficient indication (Art. 253 EC; Council Regulation No 17, Art. 15(2)) (see paras 369, 371, 374, 407) 13. Competition - Fines - Amount - Determination - Criteria - Actual impact on the market (Council Regulation No 17, Art. 15(2); Commission Notice 98/C 9/03, point 1 A, first para.) (see paras 388, 391-392, 394, 398) 14. Competition - Fines - Amount - Determination - Criteria - Gravity of the infringement - Horizontal cartel concerning prices - Very serious infringement (Council Regulation No 17, Art. 15(2); Commission Notice 98/C 9/03, point 1 A) (see paras 407-411, 413) 15. Competition - Fines - Amount - Determination - Need to take account of the turnovers of the undertakings involved in an infringement or in similar previous infringements and to ensure the proportionality of the fines with those turnovers - None (Council Regulation No 17, Art. 15(2)) (see paras 421-424) 16. Competition - Fines - Amount - Determination - Criteria - Duration of the infringement - Infringements of long duration - Automatic 10% increase in the starting amount per year - Discretion of the Commission (Council Regulation No 17, Art. 15(2); Commission Notice 98/C 9/03, point 1 B, first para.) (see para. 436) 17. Competition - Fines - Amount - Determination - Criteria - Duration of the infringement - Increase in the starting amount of the fine - Taking into account of variations in the intensity of the infringement - Not included (Council Regulation No 17, Art. 15(2); Commission Notice 98/C 9/03, point 1 B) (see para. 438) 18. Competition - Fines - Amount - Determination - Criteria - Gravity and duration of the infringement - Increase in the starting amount by reason of the duration of the infringement - Gravity of the infringement taken into account twice - Not included (Council Regulation No 17, Art. 15(2); Commission Notice 98/C 9/03, points 1 A and B) (see para. 443) 19. Competition - Fines - Amount - Determination - Maximum amount - Calculation - Distinction between the final amount and the intermediate amount of the fine - Consequences (Council Regulation No 17, Art. 15(2)) (see paras 452-455) 20. Competition - Fines - Amount - Determination - Non-imposition or reduction of the fine for cooperation of the undertaking concerned - Need for conduct which facilitated the Commission's finding of an infringement - Answer to a request for information - Not included (Council Regulation No 17, Arts 11(1), (2), (4) and (5) and 15(2); Commission Notice 96/C 207/04) (see para. 464) 21. Competition - Fines - Discretion of the Commission - Scope - Power to fix the methods of payment of the fines - Imposition of interest for delay - Fixing by the Commission of an interest rate calculated in relation to that of the European Central Bank - Lawfulness (Council Regulation No 17, Art. 15(2)) (see paras 493, 495-499) Re: APPLICATION for annulment of Commission Decision 2005/471/EC of 27 November 2002 relating to a proceeding under Article 81 [EC] against BPB plc, Gebrüder Knauf Westdeutsche Gipswerke KG, Société Lafarge SA and Gyproc Benelux NV (Case No COMP/E-1/37.152 - Plasterboard) (OJ 2005 L 166, p. 8), or, in the alternative, reduction of the fine imposed on the applicant. Operative part The Court: 1. Dismisses the action; 2. Orders Knauf Gips KG to pay the costs.