B. Riley Principal 250 Merger Corp. | Stock Agreements | Business Contracts

Warrant Agreement, dated May 7, 2021, by and between the Company and Continental Stock Transfer & Trust Company, as warrant agent (Filed With SEC on May 12, 2021)

Investment Management Trust Agreement, dated May 7, 2021, by and between the Company and Continental Stock Transfer & Trust Company, as trustee (Filed With SEC on May 12, 2021)

Form of Investment Management Trust Agreement between Continental Stock Transfer& Trust Company, LLC and the Registrant (Filed With SEC on April 20, 2021)

Specimen ClassA Common Stock Certificate (Filed With SEC on March 26, 2021)

Form of Investment Management Trust Agreement between Continental Stock Transfer& Trust Company, LLC and the Registrant (Filed With SEC on March 26, 2021)

B. Riley Principal 250 Merger Corp. (29) | Stock Agreements (5)