Johnston also told fans at the city's Flamingo Hotel that securing manager Walter Smith's future, along with assistant Ally McCoist and first-team coach Kenny McDowall, for another year offered the club continuity.
Club manager Walter Smith, who worked without a contract since January, recently agreed a one-year deal, and hopes that on his retirement he will leave the team in good shape for his preferred replacements, assistants Ally McCoist and Kenny McDowall.