Archimedes Tech SPAC Partners : Marcum LLP’s letter regarding change in independent registered public accounting firm (Form 8-K)

August 10, 2021

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We have read the statements made by Archimedes Tech SPAC Partners Co. under Item 4.01 of its Form 8-K dated August 10, 2021. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other statements of Archimedes Tech SPAC Partners Co. contained therein.

Very truly yours,

Marcum LLP

PM/mm

Marcum LLP■730 Third Avenue■ 11th Floor■New York, New York 10017■Phone [phone]■ Fax [phone]■marcumllp.com