EXHIBIT 99.1 FOR IMMEDIATE RELEASE EncrypTix, Inc. Contact Jim Rowan President and CEO (310) 955-4600 ENCRYPTIX, INC. CEASES ITS OPERATIONS El Segundo, Calif. - March 12, 2001 - EncrypTix, Inc., a majority-owned subsidiary of Stamps.com, Inc. (STMP), today announced that its Board of Directors has voted to adopt a plan of liquidation and that the company has ceased its operations. The privately-held EncrypTix has received all necessary shareholder approvals and has effected an assignment of its assets for the benefit of creditors. EncrypTix has taken this action due to the inability to secure additional funding. ### EncrypTix and the EncrypTix logo are trademarks of EncrypTix, Inc. All other brands and names are the property of their respective owners.