It's rewarding to share.

A couple looking at the benefits of Citi Supplementary Card

Citi Supplementary Card is the perfect gift to show your care. It comes with a wide range of useful features that will elevate your loved one’s credit card experience. With a Citi Supplementary Card, share the benefits and privileges to create more happy moments together. Also, it does not charge any annual fee, so you won’t have to pay to share your joy.

To apply, simply complete and return the application form, with the copy of each supplementary card applicant's HKID.

Three reasons to apply for Citi Supplementary Credit Card

  • Enjoy permanent annual fee waiver on your supplementary cards*
  • Earn credit card rewards together
  • Share with your loved ones the suite of exclusive benefits and privileges
How To Apply

Please return your application form and supporting documents to us using one of the methods below:

Online: Submit from here

Submit through Citi Mobile App®:

  • Login Citi Mobile App®
  • Select your Citi Credit Card under Card dashboard, then click “Manage”
  • Click “Apply for a supplementary card”

By Mail:

Citibank (Hong Kong) Limited,

GPO Box 3281, Hong Kong.

Documents required:

  • HKID/Passport copy of Supplementary Card Applicant
  • Additional government issued identification document copy (e.g. passport or Mainland Travel Permit for Hong Kong and Macau Residents (Home Return Permit) etc.) of Supplementary Card Applicant
  • Signed application form with signatures of both Principle Cardholder and Supplementary Card Applicant
  • Citi Prestige Card
  • Citi PremierMiles Card
  • Citi Cash Back Credit Card
  • Citi Rewards Credit Card
  • Citi Clear Credit Card
  • Citi Octopus Credit Card
  • Year Round Dining Offers
To borrow or not to borrow? Borrow only if you can repay!


Each supplementary cardholder (aged over 16 years) shares the same credit limit as you. Supplementary Cards are not applicable to Citi Clear Student Card.
For the details of annual fee, finance charge and Annualized Percentage Rate (cash advance and non-cash advance transaction) of Supplementary Card, please refer to the Citibank Credit Card Fees Schedule.