BANGOR – AARP is offering seniors a free charter bus trip to Portland to attend a forum on proposed changes to Social Security.

The forum will begin with a continental breakfast at 9:30 a.m. Thursday, March 3, with the forum running 10 a.m.-noon. The bus will then take passengers to the Maine Mall for an afternoon of shopping before returning to Bangor.

Departure times and pickup location are available to those who register by calling the Eastern Agency on Aging at 941-2865. The deadline is March 1.