What does it mean to be exclusively represented?

If, through the representation process, the union represents you, it also represents all employees like you throughout the UC system. The union has the authority and the exclusive right to negotiate with UC management on the amount of wages, benefits and working conditions that the employees will receive. The legal power to negotiate as an individual would change and the union would become the agent for all employees in the bargaining unit. Once the union represents you, potential wage increases could be less a matter of individual performance and achievement, and would be the outcome(s) of the collective bargaining process.