Saudi Arabian Mining Co. Announces an update on its Announcement regarding the signing of non-binding heads of terms with Aluminium Bahrain B.S.C, in relation to the subscription of new shares in Aluminium Bahrain B.S.C (Alba) by Maaden in consideration for an in-kind contribution of the entire issued share capital of each of Maaden Aluminium Company and Maaden Bauxite and Alumina Company