Operating profit remains flat; lower finance/tax charges boost PAT growth: Airtel Africa's revenue/EBITDA fell 2% each QoQ to USD1,038m/USD492m in 4QFY21, with a 20bp decline in margin to 47.4%. On a constant currency (CC) basis, revenue/EBITDA rose 2%/4% QoQ to USD1,058m/USD506m (in line). EBITDA margin improved 90bp QoQ to 47.8%. Performance remained flattish QoQ as ARPU increased by 1% to USD3, while net subscriber base declined by 0.6% to 118.1m. Reported PAT rose 69% QoQ to USD154m due to lower (down 19%/27% QoQ) finance/tax...