JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)

Exhibit 99.1

JOINT FILING AGREEMENT
PURSUANT TO RULE 13d-1(k)

In accordance with Rule 13d-1(k)(1) 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 this Schedule 13D (including additional amendments thereto) with respect to the shares of common stock, par value $0.0001 per share, of ON24, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement. The undersigned acknowledge that each shall be responsible for the timely filing of any amendments to such joint filing and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others.

Date: December 20, 2022

	INDABA CAPITAL MANAGEMENT, L.P.
	By:	IC GP, LLC, its general partner
	By:	/s/ Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Managing Member

	IC GP, LLC
	By:	/s/ Xxxxx X. Xxxxxxx
		Name:	Xxxxx X. Xxxxxxx
		Title:	Managing Member
	/s/ Xxxxx X. Xxxxxxx
	XXXXX X. XXXXXXX