13D Filing: Par Investment Partners Lp and Trivago N.v. (TRVG)

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beneficial owners of Shares or otherwise), (ii) to acquire beneficial ownership of additional shares in the open market, in privately negotiated transactions or otherwise, (iii) to
dispose of all or part of its holdings, (iv) to take other actions which could involve one or more of the types of transactions or have one or more of the results described in Item 4 of this Schedule 13D, or (v) to change its
intention with respect to any or all of the matters referred to in this Item 4.

Item 5. INTEREST IN SECURITIES OF THE ISSUER

(a)-(b) As of April 13, 2017, PAR Investment Partners may be deemed to beneficially own 6,234,000 Class A Shares, representing approximately
20.8% (determined in accordance with Rule 13d-3 under the Act) of the outstanding Class A Shares.

As of April 13, 2017, PAR Group, through its
control of PAR Investment Partners as general partner, may be deemed to beneficially own 6,234,000 Class A Shares, representing approximately 20.8% (determined in accordance with Rule 13d-3 under the Act) of the outstanding Class A Shares.

As of April 13, 2017, PAR Capital Management, through its control of PAR Group as general partner, may be deemed to beneficially own 6,234,000
Class A Shares, representing approximately 20.8% (determined in accordance with Rule 13d-3 under the Act) of the outstanding Class A Shares.

The percentage of Class A Shares beneficially owned as set forth above are based on 30,026,635 Class A Shares issued and outstanding as of
December 31, 2016, as disclosed in the Issuers Annual Report on Form 20-F filed with the Securities and Exchange Commission on March 9, 2017.

(c) Information with respect to all transactions by the Reporting Persons relating to the Class A Shares that were effected during the past sixty days is
set forth in Annex A hereto and is incorporated by reference herein.

(d)	Not applicable.

(e)	Not applicable.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
SECURITIES OF THE ISSUER.

Except as otherwise set forth in this Schedule 13D, there are no contracts, arrangements, understandings or relationships
among the persons named in Item 2 or between such persons and any other person with respect to any securities of the Issuer.

Item 7.
Material to be Filed as Exhibits.

Exhibit 99.1

Joint Filing Agreement among the Reporting Persons dated April 13, 2017 is filed as Exhibit 99.1 hereto.