Vimpelcom announced its results for the first quarter of 2011. It said that its net income was US$589.7 million, up 54.6 percent year-on-year, on net operating revenue of US$2.7 billion, up 22.9 percent. It also said that from 15 April 2011, it will consolidate the results of Wind Telecom, and that its South East Asian presence was strengthened through an acquisition in Laos and a new agreement in Vietnam.