Exhibit 23.1
December 30, 2010
iShares® Copper Trust
c/o BlackRock Asset Management International Inc.
400 Howard Street
San Francisco, CA 94105
Ladies and Gentlemen:
We hereby consent to the references to our firm set forth under the headings “The Copper Industry” and “Experts” in the Registration Statement on Form S-1 (Registration No. 333-170131) filed with the Securities and Exchange Commission on the date hereof by iShares® Copper Trust.
Sincerely,
Christian, Podleska, and van Musschenbroek, Ltd. [d/b/a CPM Group]
By: | /S/ CATHERINE M. VIRGA | |
Name: Catherine M. Virga Title: Director of Research |