EX-16.1 2 ex16-1.htm EXHIBIT 16.1 ex16-1.htm

Exhibit 16.1

 

 

 

November 4, 2015

 

 

Securities and Exchange Commission

Washington, D.C. 20549

 

 

Commissioners:

 

We have read Spire Corporation’s statements included under Item 4.01 of its Form 8-K filed on November 4, 2015 and we agree with such statements concerning our firm.

 

 

RSM US LLP

/s/ RSM US LLP