AT&T Ending Participation in the Plenti rewards program… by Flying High On Points September 30, 2017 Recently, I received this email notification from AT&T. It looks like AT&T is choosing to [unsurprisingly] end its participation in the Plenti rewards program effective October 31, 2017. The AT&T Email Regarding … 0 FacebookTwitterPinterestTumblrRedditStumbleuponWhatsappTelegramEmail