First off, the PCF8582C-2T/03 is a discontinued part type.
The top line is an abbreviated part type due to marking limitation of 7 characters for this package outline.
On the second line the M1 01 and G7 02 are diffusion batch ids.
The last line of marking is n=Bangkok, Thailand assembly site followed with a "G" (not a 6) for the RoHS Lead-Free status. Then the 026 and 107 are date codes.
Hope it helps.