November 23 (SeeNews) – Three independent board members of railway signalling equipment maker Ansaldo STS (BIT:STS) have contested the adequacy of the EUR-9.50 (USD 10.09) per-share price Japanese Hitachi (TYO:6501) plans to pay in its mandatory takeover bid for the remaining 60% of the Italian group, Corriere della Sera said in an unsourced report on Saturday.