Exhibit 99.4

LinkedIn

National Securities Corporation. We are excited to announce that B. Riley Financial, a diversified financial services and business advisory company, has entered a definitive agreement to acquire National Holdings Corporation.

The transaction contemplates a merger that would enhance each of the companies’ complementary investment banking, capital markets and wealth management businesses, with the potential to meaningfully augment the combined platforms’ episodic and recurring results.

http://ow.ly/HUNJ50D58up