ORDER AND JUDGMENT *

After examining the briefs and appellate record, this court has determined unanimously that oral argument would not materially assist the determination of this appeal. See Fed. R.App. P. 34(a)(2); 10th Cir. R. 34.1(G). The case is therefore ordered submitted without oral argument.

On December 5, 2003, Appellant Tony Alexander Hamilton 2 filed a complaint in federal district court, asserting the court had subject matter jurisdiction under 28 U.S.C. § 1331. The district court dis *754 missed the suit for lack of jurisdiction, concluding Hamilton had failed to demonstrate that the claims asserted against Defendant arose under federal law. The court further concluded Hamilton had failed to allege diversity jurisdiction and that his complaint failed to establish that the amount in controversy exceeds $75,000. See 28 U.S.C. § 1332; Laughlin v. Kmart Corp., 50 F.3d 871, 873 (10th Cir. 1995) (holding that the requisite amount in controversy and the existence of diversity must be affirmatively established in the pleading of the party seeking to invoke jurisdiction).

This court reviews the dismissal for lack of subject matter jurisdiction de novo. See U.S. West, Inc. v. Tristani 182 F.3d 1202, 1206 (10th Cir. 1999) Based on our review of the record, the pleadings, and the arguments asserted by Hamilton in his appellate brief, we conclude the district court did not err when it dismissed Hamilton’s complaint for lack of subject matter jurisdiction. Accordingly, we affirm the district court’s order of February 14, 2005 dismissing Hamilton’s complaint.