Jefferies Financial Group Inc. filed a Current Report on Form 8-K with the Securities and Exchange Commission on October 19, 2026, to announce an upcoming investor meeting scheduled for the same day. The filing indicates that an Investor Presentation was posted to the company’s website, www.jefferies.com, for use during the meeting. The presentation is attached as Exhibit 99.1 to the filing.

The agenda for the October 19, 2026, Investor Meeting includes a series of presentations by senior leadership covering the firm’s overview and financial performance. The schedule begins at 9:00 AM with an overview by Rich Handler, the Chief Executive Officer, and Brian Friedman, the President. This is followed by a Financial Review presented by Matt Larson, the Chief Financial Officer.

Subsequent presentations are scheduled to cover the firm’s core business segments. At 9:40 AM, Investment Banking will be discussed by Andrea Lee, Co-Head of Global Investment Banking, Raphael Bejarano, Global Head of Investment Banking, and John Miller, Global Head of Investment Banking. At 10:00 AM, Equities will be presented by Peter Forlenza, Global Head of Equities. At 10:20 AM, Fixed Income will be discussed by Frederic Jallot, Global Head of Fixed Income. At 10:40 AM, Asset Management will be presented by Nick Daraviras, Co-Head of Asset Management. The meeting is scheduled to conclude with a Question and Answer session at 11:00 AM.

The filing includes a list of the company’s registered securities, including Voting Common Shares, par value $1.00 per share, and various series of Senior Notes with maturity dates ranging from 2027 to 2036 and interest rates ranging from 2.750% to 6.200%. The report also contains standard forward-looking statements and important disclosures regarding the presentation materials.