May 2 (Reuters) - Central Petroleum Ltd CTP.AX
* Santos increases its interest in EP(A)111 and EP(A)124-ctp.ax
* Santos Qnt Pty has exercised its option to acquire a 50% participating interest in EP(A)111 and EP(A)124
* Central will retain a 50% participating interest in the EP(A)s Source text for Eikon: Further company coverage: CTP.AX