April 23 (Reuters) - Argent Minerals Ltd ARD.AX :
* PETER WALL HAS BEEN APPOINTED AS NON-EXECUTIVE DIRECTOR AND CHAIRMAN
* KLAUS ECKHOF HAS STEPPED DOWN AS CHAIRMAN OF COMPANY
April 23 (Reuters) - Argent Minerals Ltd ARD.AX :
* PETER WALL HAS BEEN APPOINTED AS NON-EXECUTIVE DIRECTOR AND CHAIRMAN
* KLAUS ECKHOF HAS STEPPED DOWN AS CHAIRMAN OF COMPANY