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 TMK Drilling with casing TMK CWB 0000 Seamless / Welded Tubing Premium Connections 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 Seamless / Welded Casing Drilling 20 20

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