Iris Energy Limited (IREN) SC 13G Iris Energy / Roberts William Gregory ownership change

Exhibit 99

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 14^th day of February, 2022.

The Awassi Capital Trust #1
By:	Awassi Capital Holdings 1 Pty Ltd (ACN 629 820 499), its trustee
By:	/s/ William Gregory Roberts
Name: William Gregory Roberts
Title: Director
Awassi Capital Holdings 1 Pty Ltd (ACN 629 820 499)
By:	/s/ William Gregory Roberts
Name: William Gregory Roberts
Title: Director
William Gregory Roberts
/s/ William Gregory Roberts