Citi Exec, 2nd renewal (3rd retention offer as I got a spending offer with a statement credit for full annual fee shortly after opening in 12/2015) - offered $250 statement credit for spending $3k/month for each of next 3 months. Accepted - was also offered and accepted this last year. A few other options were also given, can't remember exact details but they had lesser spending requirements and one offer would have given a $100 statement credit and 5000 AAdvantage miles, third offer was for just 15,000 miles and no SC.