* Providing that the subsequent surveillance audits are successful before the validity date of the previous audit. Certification body address: AVIC Building, No.10B, Central East 3rd Ring Road, Chaoyang District - 100022 Beijing - China ©2017 UNIFE. All rights reserved. 1/2 C E R T I F I C A T E awarded to Telephonics Corporation 815 Broadhollow Road 11735, Farmingdale United States TÜV Rheinland (China) Ltd. confirms, as an IRIS approved certification body, that the Management System of the above organization has been assessed and found to be in accordance with the International Railway Industry Standard (IRIS) Revision 02, June 2009 for the activities of Design and Development and Manufacturing for the scope of certification: 11 (Communication system) Design and Development, low rate or prototype production and system integration of wired and wireless communication system and control or monitoring systems for use or application in railway industry Certificate valid from: 03/05/2017 Certificate valid until: 22/03/2020* Current date: 15/05/2017 Certificate-Register-No: 39 10 004 1602