CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Registration Statement on Form S-1 of our report dated June 10, 2011 relating to the
consolidated financial statements of EPAM Systems, Inc. and Subsidiaries appearing in the Prospectus, which is part of this Registration Statement.
We also consent to the reference to us under the heading Experts in such Prospectus.
/s/ DELOITTE & TOUCHE LLP
June 10, 2011