Agency draws on its 1992 poster for the UK's Conservative Party.
Independent directors rejected bid from Murria, who is M&C Saatchi’s top shareholder.
Murria claimed she has written support from around 20% of agency shareholders.
Board takes rare step of issuing 2022 and 2023 profit forecasts.
Latest ‘put up or shut up deadline’ passes with no new offer from Vin Murria.
Board agrees for talks to continue despite saying the current offer undervalues the agency group.
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