Investor Presentaiton

Shift to Unconventional Drilling Drives Demand for Seamless and Premium Products Conventional (Vertical) Drilling Unconventional (Horizontal) Drilling (Hydraulic Fracturing) Vertical Horizontal Shale Shale Length, km Up to 5 Up to 10 I % Seamless 35% 60% Fracturing % Premium <5% 30% Connections OCTG Tons 45 190 per Well % Small OD 25% 65% <7" Source: J.P. Morgan, Industry Sources 40 Seamless / Welded Tubing Premium Connections TMK Drilling with casing TMK CWB 0000 Seamless / Welded Casing Drilling

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