Exhibit 16.1

Armanino ^LLP 15950 N. Dallas Parkway Suite 600 Dallas, TX 75248-6685 972 661 1843       main armanino.com

Securities and Exchange Commission 

100 F Street, N.E. 

Washington, DC 20549 

Commissioners: 

We have read Item 4.01 of Form 8-K of Astrotech Corporation dated August 7, 2023, and agree with the statements concerning our firm contained therein. We have no basis to agree or disagree with other statements of the registrant contained therein.           

Very truly yours, 

/s/ Armanino LLP 

Dallas, Texas