...The Outlook revision to Negative from Stable reflects Telekom Malaysia Berhad's (TM) weakening credit profile, driven by pressure on EBITDA, and its continuing high capex and dividend commitments. FFO adjusted net leverage is likely to increase to 2.6x-2.7x in 2018-2019 (2017: 2.5x), which may lead to a downgrade should there be a delay in deleveraging. Fitch Ratings expects TM's continued dominance of the domestic fixed-line market and the ongoing modest 4G expansion to support a leverage profile that is consistent with the rating....