I get this information from Kedah Football Fans Forum, HijauKuning.com

This is Kedah plan on their pre season friendly match in December before meeting Selangor in Charity Shield on 3rd January 2009.

05 Dec
Kedah vs Felda United at Darul Aman Stadium *Confirmed

Vietnam Tour
14 Dec
Kedah vs Vietnam Pro Club 1 – Vietnam *Confirmed

15 Dec
Kedah vs Vietnam Pro Club 2 – Vietnam *Confirmed

16 Dec
Kedah vs Vietnam Pro Club 3 – Vietnam *Confirmed

After Vietnam tour, Kedah has been invited to touch down to Hong Kong to hold a friendly match against Hong Kong professional league players. This plan still unconfirmed on Kedah FA end. It all depends on Kedah FA budget and if time permit.

19 Dec
Kedah vs Hong Kong Selection – Hong Kong *Tentative

27 Dec
Kedah vs KM Naza - Padang Bolasepak Yan *Tentative