Anheuser is expected to argue that the bid undervalues the company and will tell shareholders it is exploring other options such as a restructuring plan that would include cost cutting and the sale of the company's theme park operations.
The prospect of a foreign brewer getting its hands on the iconic US blue-collar beer brand has met with opposition from US politicians and pressure groups.
InBev's $65-per-share offer, made on June 11, represented a premium of 35% over Anheuser-Busch's 30-day average share price prior to recent market speculation, and an 18% premium over Anheuser-Busch's previous all-time high of $54.97 in October 2002.
InBev revealed yesterday that it had obtained committed financing from 10 banks, including two Japanese banks - Mizuho and Bank of Tokyo-Mitsubishi.
Carlos Brito, InBev chairman and chief executive, has stressed to Anheuser that "time is of the essence" and warned that the clock was ticking to start negotiations on a deal.
A merger between InBev, which owns Stella Artois, and Anheuser-Busch would make the combined firm one of the world's top five consumer products companies.
Anheuser's share price closed yesterday at $61.76, up 1.03%.