The Takeover Panel has published a consultation paper (PCP 2022/2) setting out proposed changes to the definition of “acting on concert” in the Code. The changes, which are highly complex and technical in nature, are in part a codification of existing Panel practice. There are, however, are some important adjustments that, given the potentially significant consequences of being considered to be “acting in concert” (e.g. setting a floor price for an offer and/or triggering a mandatory bid obligation), it will be important for offer participants and their advisers to familiarise themselves with.