MEXICO CITY, Feb 14 (Reuters) - Walmart's Mexico unit on Wednesday posted a 1.18% year-on-year rise in its fourth-quarter net profit, reaching 14.99 billion pesos.

Revenues for the retailer, known as Walmex, during the October-to-December period landed at 253.6 billion pesos. (Reporting by Valentine Hilaire and Marion Giraldo)