Linden Lab Official:Why was I billed an additional transaction fee?

When payments are settled in a currency not native to your payment method, your bank may charge what is commonly called a "foreign transaction fee." This fee is not generated or collected by Linden Lab, and we can't control or cancel it.

If you're in the United States and are being charged the foreign transaction fee on your current credit card, you should try deleting and re-entering your current payment method at https://secondlife.com/account/billing.php. This process should stop the foreign transaction fees in most cases; if they continue, you should contact your financial institution to learn the details of your personal situation.