1. TETRAD HOLDINGS (PVT) LTD 2. SIZY SECURITY (PVT) LTD 3. ANNE BUTLER PROPERTY COMPANY (PVT) LTD 4. VG SEVEN INVESTMENTS (PVT) LTD 5. VG EIGHT INVESTMENTS (PVT) LTD 6. VG NINE INVESTMENTS (PVT) LTD 7. VG TEN INVESTMENTS (PVT) LTD 8. VG ELEVEN INVESTMENTS