Exhibit A

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 on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the ordinary shares and class A preference shares of SOLAI Limited (formerly known as BIT Mining Limited), a Cayman Islands company, and further agree that this Joint Filing Agreement may be included as an Exhibit to such joint filing.

Dated: July 20, 2026