trivago Delivers 15% Growth in Q1 and Raises Guidance After Fifth Consecutive Double-Digit Quarter

Exhibit 99.1 Operating and Financial Review DÜSSELDORF, GERMANY - May 5, 2026 – trivago N.V. (NASDAQ: TRVG) (the “Company”, “we,” “us,” “our,” or “trivago,”) announced financial results for the first quarter ended March 31, 2026.