September 17, 2010
Consent of Independent Auditors
We hereby consent to the inclusion in this Annual Report on Form 40-F of Alexco Resource Corp. (“the
Company”) of our auditors’ report dated September 17, 2010 on the consolidated balance sheets of the
Company as at June 30, 2010 and 2009 and the consolidated statements of operations and comprehensive loss,
cash flows and shareholders’ equity for each of the years in the two year period ended June 30, 2010 and the
effectiveness of internal control over financial reporting of the Company as of June 30, 2010.
/S/ PricewaterhouseCoopers LLP
“ PricewaterhouseCoopers” refers to PricewaterhouseCoopers LLP, an Ontario limited liability partnership, or, as the context requires, the PricewaterhouseCoopers global
network or other member firms of the network, each of which is a separate and independent legal entity.
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