This year the Chiefs won the Provincial Silver in another tough loss to the Beatrice Aeros. They did best the Brampton Thunder in the semi-finals which had presented them with a tough challenge all season. The Senior AAA Chiefs are a charter member of the National Women's Hockey League. The NWHL currently comprises nine teams in two divisions with a 40 game interlocking schedule. The 1999 - 2000 NWHL regular season starts on Saturday September 11 and finishes on Sunday February 13, 2000.
Playoffs follow the regular season.
The Chiefs play out of the Hershey Centre, a new state of the art arena complex, on Wednesday night or Saturday afternoon. The Mississauga Chiefs Senior AAA Hockey Club is proud to be entering its seventh season of affiliation with the Mississauga Girls' Hockey League, a leader and builder of female hockey for over thirty years, and the City of Mississauga, the female hockey capital of the world. At this years Provincial Championships the Chiefs Rep teams did not secure any gold as in past years. Girls hockey has grown tremendously over the past decade making the competition for top spot in the province much harder to attain. The Peewee AA team made it to the bronze final.