Item 2.02 Results of Operations and Financial Condition

On July 30, 2012, Lufkin Industries, Inc. issued a press release announcing its financial results for the second quarter ended June 30, 2012. A copy of the press release is furnished and attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information in this report and Exhibit 99.1 attached hereto are being furnished, not filed, pursuant to General Instruction B.2 of Form 8-K. Accordingly, the information in this report and Exhibit 99.1 attached hereto will not be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Act of 1934, as amended, unless specifically identified therein as being incorporated therein by reference.

Item 9.01 Financial Statements and Exhibits

(c) Exhibits

Exhibit 99.1 Press Release, dated July 30, 2012, issued by Lufkin Industries, Inc.