During the first sem, starting from the first day of school, the organization already does activities and starts the training for its members. Some of these activities are:

almOSAlan AND CAMPUS TOUR - an activity of the Office of Student Affairs in University of the Philippines Los Banos (UPLB) participated in by the different organizations in the University which aims to welcome freshman students to the University and to their respective Colleges as well.

CEO CUP - a sports fest open to all freshman and sophomore engineering students that aims to promote camaraderie and sportsmanship through healthy and fair competition held every 1st semester. This sports fest was started on July of AY 2004-2005 during that time, the only sport that was played was basketball. A year later, volleyball was added in the sports fest.

ANNIVERSARY WEEK - this is a week-long celebration (usually done in September) wherein the organization celebrates its years of existence in the university.