Plamen Sirakov

B. Riley Securities, Inc. is a registered broker/dealer headquartered in Los Angeles, California. The firm is a subsidiary of B. Riley Securities Holdings LLC, ultimately owned by B. Riley Financial, Inc. (NASDAQ: RILY). The firm was formed in 2017, when B. Riley Financial, Inc. merged two of their brokers, B. Riley & Co. (founded in 1997) and FBR Capital Markets & Co. (founded in 1989), under the name of B. Riley FBR, Inc. B. Riley Securities provides research and trading ideas to institutional clients and high net-worth individuals. They provide investment banking services to a wide range of middle-market private and public companies.

Founded in 1988 by Richard Messina, the Benchmark Co. LLC is a full-service broker/dealer headquartered in New York City. The firm provides equity research, sales and trading services for institutional and private clients. They focus on the media, energy, enterprise software, infrastructure software, biotechnology, specialty pharmaceuticals, REITs, Internet and communications sectors. The Benchmark Co.'s clearing agent is JP Morgan Clearing Corp.