Two former top executives of the defunct Yamaichi Securities Co. were given prison terms, one suspended, by the Tokyo District Court on Tuesday for conspiring to conceal more than 200 billion yen in losses from shareholders between fiscal 1995 and 1997.

Former President Atsuo Miki, 64, was sentenced to 2 1/2 years in prison.

Former Chairman Tsugio Yukihira, 68, also received 2 1/2 years, suspended for five years.