Par Investment Partners Owns More Than A Third Of Trivago N.v.

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Section 4.5 Modifications, Consents and Waivers. This Agreement may not be
modified, amended, altered or supplemented except upon the execution and delivery of a written agreement executed by each of the parties hereto. Any party hereto may waive compliance, with respect to any obligations owed to such party, with any
provision of this Agreement. Any such waiver hereunder shall be effective only if made in a writing signed by the party to be charged therewith and only in the specific instance and for the purpose for which given. No failure or delay on the part of
any party in exercising any right, power, or privilege under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any right, power or privilege hereunder preclude any further exercise thereof or the exercise
of any other right, power or privilege.

Section 4.6 Governing Law; Consent to Jurisdiction; Jury Waiver. This Agreement shall
be governed by and construed in accordance with the laws of the State of Delaware, without giving effect to the principles of conflicts of laws thereof. Each party irrevocably submits to the exclusive jurisdiction of the state and federal courts
sitting in the State of Delaware for the purposes of any Action (whether based on contract, tort or otherwise) directly or indirectly arising out of or in connection with this Agreement or the Transaction. Each party agrees (a) to commence any
such Action in such courts and (b) that service of any process, summons, notice or document by U.S. registered mail to such partys respective address set forth on the signature page hereto shall be effective service of process with
respect to any matters to which it has submitted to jurisdiction in this Section 4.6. Each party irrevocably and unconditionally waives (i) any objection to the laying of venue of any such Action in such courts, or that any such Action
brought in any such court has been brought in an inconvenient forum, and (ii) all right to trial by jury in any such Action.

Section 4.7 Execution in Counterparts. This Agreement may be executed by the parties individually or in counterparts, each of
which shall be an original and all of which taken together shall constitute one and the same agreement.

Section 4.8 Successors
and Assigns; Transfer of Shares
. Except as otherwise provided in this Agreement, this Agreement, and the rights and obligations of the parties hereunder, will be binding upon and inure to the benefit of their respective successors, assigns,
heirs, executors, administrators and legal representatives.

Section 4.9 Headings. Article and section headings used in this
Agreement are for convenience only and shall not affect the interpretation or construction of any provision of this Agreement.

Section 4.10 Entire Agreement. This Agreement and the Exhibits hereto contain the entire agreement and understanding of the
parties hereto with respect to the subject matter hereof and supersede all prior or contemporaneous discussions, agreements and understandings relating to such subject matter.

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