Aug 21 (Reuters) - Woolworths Ltd WOW.AX :
* Senior management announcement
* Alistair McGeorge, managing director of BIG W, has resigned for health reasons with immediate effect
* Says Penny Winn will act in the role until a permanent appointment is made
* Says there was a complaint about McGeorge's behaviour in the workplace
* Says "the behaviour was verbal in nature"
* Says "the complaint has been investigated and finalised"
* Says "for legal reasons we are unable to make any further comment on this matter"
* Source text for Eikon ID:nASX6tY8w4