QuantaSing (QSG) SC 13G QuantaSing / Prospect Avenue Capital Limited Partnership ownership change

CUSIP No. 74767N107 Page 1 of 1 Pages

Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree 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 of US$0.0001 per share, of QuantaSing Group Limited, a Cayman Islands exempted company, 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 February 9, 2024.

Prospect Avenue Capital Limited Partnership	By:	Prospect Avenue Capital Inc. its general partner
	By:	/s/ Ming Liao
	Name:	Ming Liao
	Title:	Authorized Signatory
Prospect Avenue Capital Inc.	By:	/s/ Ming Liao
	Name:	Ming Liao
	Title:	Authorized Signatory
Foley Square Investment Limited	By:	/s/ Ming Liao
	Name:	Ming Liao
	Title:	Authorized Signatory
Ming Liao	/s/ Ming Liao