0001144204-13-026631 8-K/A 2 20130506 4.01 9.01 20130507 20130507 APT Systems Inc 0001543739 7372 990370904 8-K/A 34 000-54865 13817871 16904 76 STREET EDMONTON A0 T5Z 3Z9 7802706048 16904 76 STREET EDMONTON A0 T5Z 3Z9 8-K/A 1 v344096_8ka.htm FORM 8-K/A EX-16 2 v344096_ex16.htm EXHIBIT 16