1. Go to this link 
  2. Click on Forget "Username".
  4. Select either one of the options as below and "Submit":
        Option 1: a) The Username will be sent to your current email address YourEmailAddress.
        Option 2: b) If the current email address is invalid or not functioning, please assign a new e-mail address for this Username: __________
  5. Your Username will be send to you through the contact person email address. 

NOTE: You do agree with MYNIC Policy & Procedure HERE.