This probably has something to do with CAS features

Format

DWORD 3
DWORD 1
DWORD 0
DWORD UseBGEO      // If not using BGEO, the last two keys must be valid
DWORD 1

ITG ThisKey        // Key for this resource
if (UseBGEO)
    ITG BlendKey   // Key to BGEO

DWORD Offset       // Offset from the beginning of the file to the section
DWORD Size         // Size in bytes of the section

[SECTION]
DWORD UNK          // Observed: 0x60

DWORD Flags        // Observed: 0x2078, 0x1078
DWORD FaceFlags?   // Facial Region Flags? (0-6 observed)
DWORD UNK          // Observed: 0, 0x30000001
 
ITG ImageKey       // DDS DXT5 RLE2 Image
BYTE UNK           // Observed: 0

ITG Lod1Key?       // 0xDB43E069 resource with idx 0
ITG Lod2Key?       // 0xDB43E069 resource with idx 1