After winning the first leg 2-1, the John Kamau led side needed a draw of any kind to ensure they remained in the Kenyan Premier League (KPL) for the 2019/20 season.
Francis Nambute gave the Mailmen a deserved lead after just five minutes, after finishing off a rebound. It was a wakeup call for the Powermen who knew they had to score at least two goals and concede none to stand a chance of promotion.
A goal by Gradus Ochieng in the 47th minute restored Stima's hopes; unfortunately, they could not get another one despite a flurry of attacks late into the game.
Wazito and Kisumu All-Stars were automatically promoted to the top tier after finishing in the top two positions in the NSL.