PHILIPPINE SINTER CORP.

Mining, Quarrying, and Oil

PHIVIDEC Industrial Estate, Villanueva, 9002 Misamis Oriental Misamis Oriental Region 10

Tel : (63-8822) 740156; (63-8822) 740187

Fax : (63-8822) 74-02-55

GOLAY BUCHEL PHILS., INC.

Mining, Quarrying, and Oil

c/o Laguna Technopark, Sta. Rosa & Biñan, Laguna Laguna Region 4

Tel : c/o (049) 541-1476 to 77

Chevron Malampaya LLC

Mining, Quarrying, and Oil

8/F Asian Star Bldg., Asean Drive, Filinvest Corporate City, Alabang, Munt. City

Tel : (02) 772-1000

PNOC Energy Development Corp.

Mining, Quarrying, and Oil

PNPC Complex, Merritt Rd., Fort Bonifacio, Taguig, M.M.

Tel : (02) 893-1320

HRCW-PHIL MINING CORPORATION

Mining

UNIT 18-A STRATA 2000 BUILDING DON F. ORTIGAS JR. ROAD ORTIGAS CENTER, SAN ANTONIO Pasig Metro Manila

GOLDEN SUMMIT MINING CORP.

Mining

UNIT 1407 AIC BURGUNDY EMPIRE TOWER ADB AVE . COR. SAPPHIRE & GARNET ROADS. ORTIGAS CTR., SAN ANTONIO Pasig Metro Manila

GOLDEN SUMMIT MINING CORP.

Mining

UNIT 1407 AIC BURGUNDY EMPIRE TOWER ADB AVE . COR. SAPPHIRE & GARNET ROADS. ORTIGAS CTR., SAN ANTONIO Pasig Metro Manila

GOLDEN TRIANGLE MINING CORP.

Mining

U-1408 AIC BURGUNDY EMPIRE TOWER ADB AVE. ORTIGAS CTR., SAN ANTONIO Pasig Metro Manila

GOLDEN TRIANGLE MINING CORP.

Mining

U-1408 AIC BURGUNDY EMPIRE TOWER ADB AVE. ORTIGAS CTR., SAN ANTONIO Pasig Metro Manila

SIBUTAD MINING CO., INC.

Mining

UNIT 1506-A, WEST TOWER, PSE CENTER, EXCHANGE ROAD,, ORTIGAS CTR. Pasig Metro Manila