For Q1 2014, you will earn 5% for purchases from:
- Drug Stores
- Fitness Clubs
Note that "Q1 2014" means from January 1 - March 31, 2014. Also note that even if you have a Citi Dividend Card, the enrollment is not automatic. You have to login and sign up for this offer at the Citibank website.
See also Discover Card Q1 2014 Cash Back Bonus Categories.