In a statement, the tour operator said it recognised the “significant number of votes opposing the resolution.”
The concerns relate to various details surrounding bonuses and incentives, which are handed out to the senior management team.
"We acknowledge these concerns and plan to engage further with shareholders during 2016 on a number of matters as part of a planned review of our remuneration policy," Cook said.
"These matters include the use of holding periods, timing of disclosure of targets, shareholding guidelines and clawback."
Last year, chief executive Peter Fankhauser was handed a £4.3 million pay packet.
