CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No.
333-152431 and 333-156145) of AbitibiBowater Inc. of our report dated March 31, 2010 relating to
the consolidated financial statements, financial statement schedule and the effectiveness of
internal control over financial reporting, which appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
March 31, 2010