You can apply for free Supplementary Platinum Cards for family, friends or a partner.
With your Platinum Card account you are entitled to:
1 Complimentary Platinum Supplementary Card
1 Complimentary Business Supplementary Card
4 Complimentary Gold Supplementary Cards.
Supplementary Cardmembers will receive many of the Platinum Card benefits, such as travel insurance and the concierge service.