Exhibit 23.4

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Amendment No 2 to the Registration Statement on Form S-4 of our report dated June 21, 2011 relating to the financial statements of LyondellBasell Subholdings B.V and our report dated June 21, 2011 relating to the financial statements of the predecessor to LyondellBasell Subholdings B.V., which appear in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

Rotterdam, September 6, 2011

PricewaterhouseCoopers Accountants N.V.

/s/ A.F. Westerman RA

A.F. Westerman RA