The European Commission has imposed a total of € 2 500 000 in fines on Energetický a průmyslový holding and EP Investment Advisors, active in the energy sector in the Czech Republic, for obstructing an inspection carried out by Commission officials from 24 to 26 November 2009 at their premises in Prague as part of an antitrust investigation. The companies failed to block an email account and diverted incoming emails, in breach of their obligations to cooperate with Commission officials during such inspections and to disclose all documents relevant to the investigation. On 24 November 2009, after the notification of the inspection decision, the Commission inspectors requested to block e-mail accounts of key persons until further notice. This was done by setting a new password only known to the Commission inspectors. On the second day of the inspection the Commission inspectors discovered that the password for one account had been modified in the course of the first day in order to allow the account holder to access the account. On the third day of the inspection, the Commission inspectors discovered that one of the employees had requested the IT department on the previous day to divert all e-mails arriving in certain blocked accounts away from these accounts to a computer server. As a result, the incoming e-mails did not become visible in the inboxes concerned, they could not be searched by inspectors and their integrity could be compromised.