British conglomerate Lonrho Plc, whose roots go back more than a 100 years to colonial Africa, received a buyout offer valuing the company about 175 million pounds ($266 million), double its market value at the close on Tuesday. Lonrho said an investment vehicle controlled by Swiss billionaire Thomas Schmidheiny and Swiss investor Rainer-Marc Frey had offered 10.25 pence for each Lonrho share, a premium of 97.1 percent to Tuesday's closing price. Lonrho's agribusiness, which accounts for about 60 percent of revenue, supplies fresh fruit, vegetables, meat and fish to retailers in Africa. The business also has a logistics unit and distributorship for John Deere agricultural equipment. "We believe Lonrho has strong long-term prospects, but the significant capital required to grow the business over time is evident," Schmidheiny said in a statement on Wednesday. The company's free cash flow has been negative since 2007, according to Thomson Reuters data and its