BRPM B Riley Principal 150 Merger Corporation

Resignation of Chief Strategy Officer

As previously reported on the Original Report on November 8, 2022, Kai Henry resigned from his role as the Chief Strategy Officer of the Company, effective immediately.

On November 21, 2022 and November 22, 2022, in connection with Mr. Henry’s resignation, the Company and Mr. Henry entered into a consulting agreement (the “Consulting Agreement”) and a separation agreement (the “Separation Agreement” and collectively, the “Agreements”), respectively. Pursuant to the Agreements, among other things, (i) each of Mr. Henry’s unvested stock options and restricted stock awards will vest and become exercisable on May 8, 2023, subject to Mr. Henry complying with the terms of the Consulting Agreement through such date, (ii) for the period commencing on November 21, 2022 and ending on May 21, 2023, Mr. Henry will provide consulting services to the Company at a monthly rate of $35,000, and (iii) Mr. Henry will be eligible to receive five percent of the net revenue received by the Company in respect of certain strategic future initiatives and eligible to receive two percent of the net revenue received by the Company on a current initiative. The vesting of Mr. Henry’s unvested stock options and restricted stock awards is also subject to the execution and nonrevocation of a release of claims in favor of the Company. The foregoing description is qualified in its entirety by the Separation Agreement and the Consulting Agreement, which are attached hereto as Exhibit 10.1 and Exhibit 10.2, respectively, and are incorporated herein by reference.