EX-23.1 2 exhibit231sip.htm PWC CONSENT Exhibit 23.1 SIP


Exhibit 23.1


Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 2-97450, as amended, 33-37353, 333-133275, and 333-168867) of Caterpillar Inc. of our report dated June 26, 2012 relating to the financial statements of the Solar Savings and Investment Plan, which appears in this Form 11-K.



/s/ PricewaterhouseCoopers LLP

Peoria, Illinois
June 26, 2012