(Telecompaper) Telecom Italia has announced that the IPO of a 40 percent stake in its tower unit INWIT has successfully closed and will debut on the Milan stock exchange on 22 June. The company priced the shares at EUR 3.65, bringing the total proceeds to EUR 875.3 million if the greenshoe option is fully exercised. After commissions and fees, the net proceeds to the company will be EUR 779.8 million, or EUR 857.8 million if the greenshoe is exercised.