Chief executive Alex Sodi says Europe has grown to 18% of sales from 14% and will become lynchpin for future growth.

The proposal will be put to shareholders on June 4 at the annual meeting.

The high-flying listed company asks for a trading halt while it considers a report from a major accounting firm.

UPDATED: The FMA confirms it is working with the company to establish if a breach of securities law has occurred over share options being issued to employees without a prospectus.