Aug 6 (Reuters) - ALIMENTATION COUCHE-TARD ATDb.TO :
* Couche-tard signs agreement to convert "extra" branded stores in Mexico under
the circle k banner
* Says under agreement, number of circle k stores in Mexico will grow to 1,100
by August 2017 and minimum 2,400 by 2030
* Deal with comercializadora círculo cck, s.a. de c.v. to rebrand over 700 of
cck's extra convenience stores to circle k brand
* Sores to be rebranded by August 2017
* Refile-alimentation couche-tard says stores to be rebranded by august 2017
(corrects spelling of 'stores')
* Source text for Eikon ID:nPnWwCs
* Further company coverage ATDb.TO