17th Annual Southwest IDEAS Investor Conference

Presentation on: November 19, 2025 at 2:40 PM ET/1:40 PM CT

The presentation will be webcast live and can be accessed through the conference host’s main website: https://www.threepartadvisors.com/southwest and in the investor relations section of our website.

Q1 FY26 Earnings Call – Thursday, October 9, 2025, at 9:00 a.m. Central Time

The Company will host a conference call and question-and-answer session on Thursday, October 9, 2025, at 9:00 a.m. Central Time, to discuss its first quarter fiscal-year 2026 results.

Participants may register for the call here.  While not required, it is recommended you join 10 minutes prior to the event start.  A replay of the call will be available beginning at 1:00 p.m. Central Time on October 10, 2025, for seven days.  Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Sidoti & Company Small-Cap Virtual Conference on September 17 to September 18, 2025. Edward J. Richardson, Chairman and CEO and Wendy Diddell, COO of Richardson Electronics, Ltd., gave a formal presentation and answered questions from investors on Wednesday, September 17 at 2:30 P.M. ET / 1:30 P.M. CT.

Register to watch the presentation on-demand here.

Q4 FY25 Earnings Call – Thursday, July 24, 2025, at 9:00 a.m. Central Time

The Company will host a conference call and question-and-answer session on Thursday, July 24, 2025, at 9:00 a.m. Central Time, to discuss its fourth quarter fiscal-year 2025 results.

Participants may register for the call here.  While not required, it is recommended you join 10 minutes prior to the event start.  A replay of the call will be available beginning at 1:00 p.m. Central Time on July 25, 2025, for seven days.  Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Q3 FY25 Earnings Call – Thursday, April 10, 2025, at 9:00 a.m. Central Time

The Company will host a conference call and question-and-answer session on Thursday, April 10, 2025, at 9:00 a.m. Central Time, to discuss its third quarter fiscal-year 2025 results.

Participants may register for the call here. While not required, it is recommended you join 10 minutes prior to the event start. A replay of the call will be available beginning at 1:00 p.m. Central Time on April 11, 2025, for seven days. Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Q2 FY25 Earnings Call – Wednesday, January 8, 2025, at 9:00 a.m. Central Time

The Company will host a conference call and question-and-answer session on Wednesday, January 8, 2025, at 9:00 a.m. Central Time, to discuss its second quarter fiscal-year 2025 results.

Participants may register for the call here. While not required, it is recommended you join 10 minutes prior to the event start. A replay of the call will be available beginning at 1:00 p.m. Central Time on January 10, 2025, for seven days. Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Sidoti & Company Micro-Cap Virtual Conference on November 13 to November 14, 2024. Edward J. Richardson, Chairman and CEO and Wendy Diddell, COO of Richardson Electronics, Ltd., will be giving a formal presentation and answering questions from investors on Thursday, November 14 at 10:45 A.M. ET / 9:45 A.M. CT.

To register for the presentation or one-on-one meetings visit: https://sidoti.com/events. Registration is free and participants do not need to be a Sidoti client.

To learn more about the Sidoti Micro-Cap Virtual Conference visit: https://sidoti.com/events/november-sidoti-micro-cap-virtual-conference-2024

Access presentation here.

Q1 FY25 Earnings Call – Thursday, October 10, 2024 – 9:00 a.m. Central Time

Participants may register for the call here.  While not required, it is recommended you join 10 minutes prior to the event start.  A replay of the call will be available beginning at 1:00 p.m. Central Time on October 11, 2024, for seven days.  Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Q4 FY24 Earnings Call – Thursday, July 25, 2024 – 9:00 a.m. CST

Participants may register for the call here.  While not required, it is recommended you join 10 minutes prior to the event start.  A replay of the call will be available beginning at 1:00 p.m. Central Time on July 26, 2024, for seven days.  Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Planet MicroCap Showcase: VEGAS 2024 – Wednesday, May 1, 2024

Time: 2:30 PM Eastern Time (11:30 AM Pacific Time)

Webcast: https://www.webcaster4.com/Webcast/Page/3026/50119

Q3 FY24 Earnings Call – Thursday, April 11, 2024 – 9:00 a.m. CST

Participants may register for the call here.  While not required, it is recommended you join 10 minutes prior to the event start.  A replay of the call will be available beginning at 1:00 p.m. Central Time on April 12, 2024, for seven days.  Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.

Q2 FY24 Earnings Call – Thursday, January 11, 2024 – 9:00 a.m. CST

Participants may register for the call here.  While not required, it is recommended you join 10 minutes prior to the event start.  A replay of the call will be available beginning at 1:00 p.m. Central Time on January 12, 2024, for seven days.  Registration instructions are also on our website at www.rell.com.

In addition, the webcast link is available here.