UPDATE 1-AT&T sees pension-related gain of $2.2 bln in 4th qtr
January 22, 2016 at 17:47 PM EST
Jan 22 (Reuters) - AT&T Inc, the No. 2 U.S. wireless carrier, said it expected to record a gain of about $2.2 billion in the fourth quarter, due to an increase in the assumed discount rates used to measure pension and post-retirement obligation.