SUBSTITUTE POWER OF ATTORNEY
Under the terms of a power of attorney (the "Power of Attorney") previously filed with the U.S. Securities and Exchange Commission, the undersigned was appointed an attorney-in-fact for the below listed individual to, among other things, execute for and on behalf of the following individual any Form 3, Form 4, Form 5, Schedule 13D, or Schedule 13G, or any amendment(s) thereto, in accordance with Section 13 or Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder:
Keith Michael Gottesdiener
In accordance with the authority granted under the Power of Attorney, including the full power of substitution, the undersigned hereby appoints Mark A. Wilson as substitute attorney-in-fact, on behalf of the individual listed above, with the power to exercise and execute all of the powers granted or conferred in the original Power of Attorney. For the avoidance of doubt, the foregoing appointment shall not serve as a revocation of the powers granted to the undersigned herself in the Power of Attorney.
This substitute Power of Attorney shall remain in full force and effect with respect to the Power of Attorney until such underlying Power of Attorney is revoked or terminated, unless earlier revoked by the undersigned in a signed writing.
Date: February 10, 2026
By: /s/ Ran Xiao
Name: Ran Xiao
Title: Attorney-in-Fact