Unite said it would urge Ashley “to be true to his promise of making Sports Direct an exemplar employer” and claimed there was a “culture of fear” at Shirebrook.
At the end of last year, Ashley pledged to spend £10 million on raising the pay of all the firm’s employees to above the minimum wage.
Separately, it has emerged that Sports Direct chief executive Dave Forsey will forgo his annual bonus of £3.7 million.
Sports Direct shares today rose 13.4p to 377p, a gain of 3%.