According to Wallstreetcn, Telecom Italia SpA investors face a September 11 deadline to decide whether to accept Poste Italiane SpA's 10.8 billion euro takeover offer, with the acceptance rate at 6.16% of the shares covered by the bid. Telecom Italia said on Monday that Chief Executive Pietro Labriola and other executives had tendered their shares, and the board approved the deal in July, saying the price was reasonable and backing the strategic logic of the merger.