Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the shares of Common Stock, par value $0.0001 per share, of Groupon, Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: February 15, 2022	Pale Fire Capital SE
	By:	/s/ Dusan Senkypl
		Name:	Dusan Senkypl
		Title:	Chairman of the Board
	/s/ Dusan Senkypl
	Dusan Senkypl
	/s/ Jan Barta
	Jan Barta