The parties are obliged to maintain confidentiality regarding all confidential information they receive in the course of implementing the speaker agreement and to take appropriate confidentiality measures. The recipient shall take all appropriate precautions to ensure the confidentiality of the information provided. Confidential information includes the contents of the speaker agreement and all information that is marked as confidential, contains trade and business secrets, or in which the disclosing party has a recognizable interest in maintaining confidentiality. Information that was already known to the receiving party at the time of receipt, or that is generally accessible or known to the public, or that has been expressly excluded from confidentiality in writing by the party from whose domain it originates, shall not be considered confidential. Information that the receiving party is required to disclose due to legal, judicial, or official orders or in accordance with the provisions of the speaker agreement, or if there is a right to disclosure under Section 5 of the German Trade Secrets Act (GeschGehG), is also exempt from the confidentiality obligation.