Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Class A ordinary shares, par value US$0.0001 per share, of NIP Group Inc., a company incorporated in the Cayman Islands, and that this Agreement may be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of September 11, 2025.

	Nyx Ventures AS

	By:	/s/ Thomas Neslein
	Name:	Thomas Neslein
	Title:	Chief Executive Officer

	Tiron AS

	By:	/s/ Thomas Neslein
	Name:	Thomas Neslein
	Title:	Chief Executive Officer

	Thomas Neslein

	By:	/s/ Thomas Neslein
	Name:	Thomas Neslein

NIP Group Inc. SCHEDULE 13G/A