So far, here is what I got. I’ll update this when I learn of other mall sale announcements. Keep posted. 
Gaisano Mall of Davao
Back to School Fair — May 18 to June 17, 2009
Back to School Midnight Sale — May 30, 2009 (Saturday)
Victoria Plaza Mall
Back to School Sale — May 29 to 31, 2009
Midnight Sale — May 30, 2009 (Saturday)
You can also shop for school supplies at National Bookstore (in Gaisano Mall of Davao or in SM City Davao). A cash prize of PhP 50,000 awaits the first prize winner of the bookstore’s Oh My Cash promo!
halo welkam sa bisdakplanet. ayaw kaulaw didto ha, daghan nata bisdak didto
Hi, Lolli. Sure, mag-adto adto ko didto.
I think all the malls in davao are great… but for a sale event? Gaisano is still the best.
SM has fake pricing and NCCC does not give a maximum discount