The club was founded in 1970. But their first big success came in 1998 by winning the third division of the Kor Royal Cup. The club was then promoted to the Thai Division 1 League. In 2002–03 the club finished third in the second division. In the Thai League 1 Relegation to be lost at the end of the Thailand Tobacco Monopoly FC after round match with 0–1. A year later, they succeeded at the end of season 2003–04 with promotion to the Thai Premier League. PEA surprised everyone by becoming the league runner-up at the end of their first Premier League season. Being the runner-up entitled the club to participate in the AFC Champions League. It was the first participation in an international competition for the club. However the club was excluded from the competition. In the following two seasons, 2006 and 2007, the PEA took place only 10 and 8 at the end of the season.