NOTICE TO SHAREHOLDERS: Conference Call Question Submittal

 Butler National Corporation plans to host a conference call to discuss first quarter results on:

Friday, September 11, 2026 at 10:00 am CT.

We expect to file our first quarter 2027 10Q report and issue a press release announcing earnings prior to the call. The press release will include information about how to dial in to listen to the call live. All callers listening live will be muted.

A recording of the call will be made available on the Butler National Corporation investor relations website for 30 days following the call.

As part of the discussion of the results, management will answer pre-submitted questions that are received by September 4, 2026. To submit a question for response consideration, please email your question with your name to: mgiller@butlernational.com.

While all submitted questions will be reviewed, management may limit the questions that are answered during the conference call.

This information, along with other investor resources, can also be found on our website, www.butlernational.com, under the investing section. Thank you for your continued support of Butler National Corporation.