EFTA00030207

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To: Law Enforcement Agent Requesting SAR Backup Documentation From: Raymond Duncan, Vice President — Financial Intelligence Unit Cc: Scott McFarland, Director — Financial Intelligence Unit Subject: Supporting Documentation for Cardholder/Merchant Data Prepared for Law Enforcement *Disclaimer: the information provided in the accompanying spreadsheets and described below is provided solely for aiding investigation purposes and does not represent official American Express data from the respective systems of record. Official documents are maintained and have been/will be provided upon request. I) TABLE OF CONTENTS American Express Card Account Organization 1 Card Data Format 2 Prepaid Card Account Organization 3 Reloadable Card Data Format 3 Prepaid Gift Card Data Format 5 Merchant Account Organization 6 Merchant Data Format 6 Personal Savings Account Organization 8 Personal Savings Account Data Format 8 2) AMERICAN EXPRESS CARD ACCOUNT ORGANIZATION Every American Express credit and charge card has a unique fifteen-digit number ("Card Number"). The first eleven digits of this number identify the credit card account ("Card Member Account") to which this card belongs. For each Card Member Account there is a primary card member who is responsible for paying the balance on all of the supplemental cards associated 5/14/2019 AXP Restricted Page 1 of 9 EFTA00030207 with the account. Up to 99 supplemental cards may be associated with a single accou