Exhibit 3.18(a) CERTIFICATE OF AMENDMENT OF ARTICLES OF INCORPORATION OF CYPRUS SOUTHERN REALTY CORPORATION It is hereby certified that: 1. The name of the Corporation (hereinafter called the "Corporation") is Cyprus Southern Realty Corporation. 2. The Articles of Incorporation of the Corporation are hereby amended by changing the first Article thereof so that, as amended, said Article shall read as follows: "First: The name of the corporation is "Appalachian Realty Company." 3. The Amendment of the Articles of Incorporation herein certified has been duly adopted in accordance with the provisions of KRS 271B.7-040 and KRS 271B.8-210 of the Kentucky Business Corporation Act. This Amendment of the Articles of Incorporation herein certified was adopted on June 29, 1998 by unanimous written action of the Board of Directors by unanimous written action of the sole shareholder on June 29, 1998. Signed and attested this the 30/th/ day of June, 1998. CYPRUS SOUTHERN REALTY CORPORATION BY: /s/ William H. Haselholf ------------------------------------- TITLE: Vice President of Administration ---------------------------------- Attest: By: /s/ Illegible ----------------- Title: Treasurer --------------