EXHIBIT 23.3
CONSENT OF PRICEWATERHOUSECOOPERS LLP,
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement on Form S-3 of our report dated March 5, 2004 relating to the financial statements, which appears in AXT, Inc.’s Annual Report on Form 10-K. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
San Jose, California
July 25, 2006