Feb 1 (Reuters) - Great-West Lifeco Inc GWO.TO :
* GREAT-WEST LIFECO ANNOUNCES ESTIMATED IMPACT OF U.S. TAX REFORM AND THE AGREEMENT TO SELL A U.S. EQUITY INVESTMENT AND INCREASE ITS INTEREST IN PANAGORA
* SAYS EXPECTS TO TAKE A CHARGE OF $216 MILLION OR $0.22 PER SHARE WHEN IT REPORTS ITS Q4 RESULTS ON FEBRUARY 8, 2018 DUE TO U.S. TAX LAW
* SAYS ENTERED AGREEMENT TO SELL A U.S. EQUITY INVESTMENT AND INCREASE ITS INTEREST IN PANAGORA ASSET MANAGEMENT INC
* SAYS ESTIMATED NET IMPACT OF NISSAY SHARES SALE IS A CHARGE OF $122 MILLION OR $0.12/SHARE INCLUDED IN CO'S NET EARNINGS FOR Q4
* SAYS IN Q4, CO THROUGH UNIT, AGREED TO SELL EQUITY INVESTMENT IN NISSAY ASSET MANAGEMENT CORPORATION TO NIPPON
* SAYS CONCURRENTLY WITH SALE OF EQUITY INVESTMENT IN NISSAY, CO ACQUIRED NIPPON'S MINORITY STAKE IN PANAGORA