Smart Map Expo, Kennewick, WA --- October 8, 2008 --- Electronic Systems Technology, Inc. (EST) (OTCBB: ELST); dba ESTeem Wireless Modems, a manufacturer of the ESTeem® product line of wireless modems, was awarded an Export Achievement Award on October 2, 2008 at the Smartmap Expo held at the Three Rivers Convention Center, Kennewick, WA. The U.S. Department of Commerce's Export Achievement Certificate recognizes companies that are business clients of the Commerce Department's U.S. Commercial Service, and have successfully entered the international marketplace. Foreign operations account for 30% of ESTeem Wireless Modem's total 2007 net revenues. This is an increase of 82% over foreign exports for 2006.

ECOPETROL S.A is the state oil producer in Colombia, one of the top four producers of petroleum in Latin America. Their nationwide operation includes multiple oil and gas fields, refineries, shipping ports on both coasts and a network of pipelines throughout the country that interconnect the production system with the consumption centers and marine terminals. This application paper diagrams ECOPETOL's upgrade to their wireless control system to a wireless Ethernet based network.