EX-23.1 8 c17303a1exv23w1.htm CONSENT OF PRICEWATERHOUSECOOPERS LLP exv23w1
 

Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3A of our reports dated December 27, 2006 relating to the financial statements, financial statement schedule, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in Zoltek Companies, Inc.’s Annual Report on Form 10-K for the year ended September 30, 2006.
(-s-)
St. Louis, Missouri
August 6, 2007