Introduction
This Amendment No. 12 to Schedule 13D amends Amendment No. 11 to Schedule 13D filed on August 2, 2021, which amended Amendment No. 10 to Schedule 13D
filed on July 19, 2021, which amended Amendment No. 9 to Schedule 13D filed on May 25, 2021, which amended Amendment No. 8 to Schedule 13D filed on May 14, 2021, which amended Amendment No. 7 to Schedule 13D filed on April 14, 2021, which
amended Amendment No. 6 to Schedule 13D filed on March 26, 2021, which amended Amendment No. 5 to Schedule 13D filed on February 26, 2021, which amended Amendment No. 4 to Schedule 13D filed on February 10, 2021, which amended,
Amendment No. 3 to Schedule 13D filed on February 1, 2021, which amended Amendment No. 2 to Schedule 13D filed on January 29, 2021, which amended Amendment No. 1 to Schedule 13 filed on June 13, 2019, which amended the Statement on
Schedule 13D filed on September 18, 2018 (the Schedule 13D), and is being filed by PAR Investment Partners, L.P., a Delaware limited partnership (PAR Investment Partners), PAR Group II, L.P., a Delaware limited
partnership (PAR Group), and PAR Capital Management, Inc., a Delaware corporation (PAR Capital Management and, together with PAR Investment Partners and PAR Group, the Reporting Persons), and
relates to the Class A Shares, nominal value of 0.06 per share (the Class A Shares) of trivago N.V. (the Issuer). The Class A Shares reported herein are represented by an equal number of
American Depositary Shares (ADSs) that are held directly by PAR Investment Partners, L.P.
Capitalized terms used but not defined
herein shall have the meanings ascribed to them in the Schedule 13D. The Schedule 13D is amended on a supplementary basis as follows; all items or responses not described herein, or exhibits not filed herewith, remain as previously reported in, or
filed with, the Schedule 13D, as amended.