EX-16.1 2 letterfromgrantthorntonllp.htm EXHIBIT 16.1 Exhibit
Exhibit 16.1

March 27, 2019
 

U.S. Securities and Exchange Commission
Office of the Chief Accountant
100 F Street, NE
Washington, DC 20549
 

Re:    Advanced Energy Industries, Inc.
File No. 000-26966


Dear Sir or Madam:
 
We have read Item 4.01 of Form 8-K of Advanced Energy Industries, Inc. dated March 25, 2019, and agree with the statements concerning our Firm contained therein.

Very truly yours,
  
/s/ Grant Thornton LLP