ContractJoint Filing Agreement • February 4th, 2004 • Chen Robert I • Measuring & controlling devices, nec
Exhibit 1 JOINT FILING AGREEMENT The undersigned agree that the statement on Schedule 13D/A dated February 3, 2004 with respect to the common stock of RAE Systems Inc. is, and any amendments hereto signed by each the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13(d) under the Securities Exchange Act of 1934, as amended. Dated February 3, 2004
