We are subject to litigation, claims, investigations and audits arising from time to time in the ordinary course of our business. Although legal proceedings are inherently unpredictable, we believe that we have valid defenses with respect to those matters currently pending against us and intend to defend ourself vigorously. The outcome of these matters, individually and in the aggregate, is not expected to have a material impact on our cash flows, results of operations, or financial position. Please see Note K to our consolidated financial statements (under the caption "Legal Claims") for a discussion of our legal proceedings. ITEM 4.MINE SAFETY DISCLOSURES Not Applicable.