B. Riley Financial(RILY) - 2025 Q3 - Quarterly Results

Exhibit 99.1 www.brileysecurities.com ARLINGTON, VA, November 6, 2025 – B. Riley Securities Holdings, Inc. ("B. Riley Securities," "BRS" or the "Company"), a leading middle market investment bank, today provided a business update and certain preliminary financial results for the three-month period ended September 30, 2025. Financial Highlights Management Commentary "B. Riley Securities delivered a highly profitable third quarter, building on our second quarter momentum, with significant client engagement ac ...