LONDON: As Havas chairman Vincent Bolloré (pictured) mounts his next assault on the Aegis Group board, the UK-headquartered media conglomerate has written to its shareholders urging them to stand firm against the would-be French invader.

Bolloré will notch up his fifth attempt to shoe horn Philippe Germond and Roger Hatchuel into Aegis as directors when the company's annual meeting is held on May 23.

He is currently the single biggest investor in the firm with a 29.86% stake - just 0.14% short of the point at which he must make a full takeover bid.

Aegis chairman Lord Colin Sharman's letter to shareholders said: "Our primary concern now is that a sizeable majority of Aegis shareholders should make their views plain once again, and protect their investment in Aegis. 

"Every single vote remains as important now as on previous occasions."

Data sourced from Brand Republic (UK); additional content by WARC staff