Ducker said later his employee was in a serious but stable condition in Hawke's Bay Hospital, and the company was offering all available support to the man's family and others affected by the incident.
All appropriate regulatory authorities had been advised with police on-site soon after the incident and staff from Government workplace health and safety agency Worksafe NZ on-site investigating the incident during Saturday. The company had also launched an internal investigation.
First Union area organiser Mike McNab said he and all his members were shocked by what happened to a "much-valued" lead delegate and worker who is also on the union's national executive.
The union was working "collaboratively" with the company also to ensure all possible support was given to the man, his family and workmates.
* This article originally included a quote that said the man was operating the forklift at the time of the incident. This was incorrect.