| Form: | S-1 |
| CIK: | 0000314808 | | Company Name: | Valaris Ltd | | File Number: | 333-257022 | |
| CIK: | 0001866446 | | Company Name: | ROWAN DRILLING (TRINIDAD) Ltd | | File Number: | 333-257022-24 | |
| CIK: | 0001866445 | | Company Name: | ROWAN DRILLING (U.K.) Ltd | | File Number: | 333-257022-23 | |
| CIK: | 0001866443 | | Company Name: | ROWAN DRILLING S. DE R.L. DE C.V. | | File Number: | 333-257022-22 | |
| CIK: | 0001866444 | | Company Name: | ROWAN DRILLING SERVICES Ltd | | File Number: | 333-257022-21 | |
| CIK: | 0001866440 | | Company Name: | ROWAN INTERNATIONAL RIG HOLDINGS S.A R.L. | | File Number: | 333-257022-20 | |
| CIK: | 0001866417 | | Company Name: | ROWAN MARINE SERVICES LLC | | File Number: | 333-257022-19 | |
| CIK: | 0001866427 | | Company Name: | ROWAN NO. 2 Ltd | | File Number: | 333-257022-18 | |
| CIK: | 0001866461 | | Company Name: | ROWAN RIGS S.A R.L. | | File Number: | 333-257022-17 | |
| CIK: | 0001866459 | | Company Name: | ROWAN S. DE R.L. DE C.V. | | File Number: | 333-257022-16 | |
| CIK: | 0001866458 | | Company Name: | ROWAN SERVICES LLC | | File Number: | 333-257022-15 | |
| CIK: | 0001866602 | | Company Name: | VALARIS HOLDCO 1 Ltd | | File Number: | 333-257022-14 | |
| CIK: | 0001866825 | | Company Name: | Alpha Archer Co | | File Number: | 333-257022-13 | |
| CIK: | 0001868990 | | Company Name: | Rowan 240C#3, Inc. | | File Number: | 333-257022-124 | |
| CIK: | 0001868988 | | Company Name: | Rowan Financial Holdings S.A R.L. | | File Number: | 333-257022-123 | |
| CIK: | 0001870105 | | Company Name: | Alpha South Pacific Holding Co | | File Number: | 333-257022-122 | |
| CIK: | 0001870575 | | Company Name: | Ralph Coffman Cayman Ltd | | File Number: | 333-257022-121 | |
| CIK: | 0001867693 | | Company Name: | ENSCO International Inc | | File Number: | 333-257022-120 | |
| CIK: | 0001866823 | | Company Name: | Alpha Aurora Co | | File Number: | 333-257022-12 | |
| CIK: | 0001867309 | | Company Name: | Rowan Norway Ltd | | File Number: | 333-257022-119 | |
| CIK: | 0001867879 | | Company Name: | Rowan Offshore (Gibraltar) Ltd | | File Number: | 333-257022-118 | |
| CIK: | 0001867710 | | Company Name: | Rowan Offshore Luxembourg S.a r.l. | | File Number: | 333-257022-117 | |
| CIK: | 0001867397 | | Company Name: | Rowan US Holdings (Gibraltar) Ltd | | File Number: | 333-257022-116 | |
| CIK: | 0001868004 | | Company Name: | RDC Arabia Drilling, Inc. /CI | | File Number: | 333-257022-115 | |
| CIK: | 0001866247 | | Company Name: | ALPHA ACHIEVER Co | | File Number: | 333-257022-114 | |
| CIK: | 0001866246 | | Company Name: | ALPHA ADMIRAL Co | | File Number: | 333-257022-113 | |
| CIK: | 0001866388 | | Company Name: | ATLANTIC MARITIME SERVICES LLC | | File Number: | 333-257022-112 | |
| CIK: | 0001866236 | | Company Name: | ATWOOD AUSTRALIAN WATERS DRILLING PTY LTD | | File Number: | 333-257022-111 | |
| CIK: | 0001866234 | | Company Name: | ATWOOD DEEP SEAS, LTD. | | File Number: | 333-257022-110 | |
| CIK: | 0001866824 | | Company Name: | Alpha Offshore Drilling Services Co | | File Number: | 333-257022-11 | |
| CIK: | 0001866233 | | Company Name: | ATWOOD OCEANICS AUSTRALIA PTY LTD. | | File Number: | 333-257022-109 | |
| CIK: | 0001866232 | | Company Name: | ATWOOD OCEANICS LLC | | File Number: | 333-257022-108 | |
| CIK: | 0001866231 | | Company Name: | ATWOOD OCEANICS MANAGEMENT LLC | | File Number: | 333-257022-107 | |
| CIK: | 0001866230 | | Company Name: | ATWOOD OCEANICS PACIFIC Ltd | | File Number: | 333-257022-106 | |
| CIK: | 0001866229 | | Company Name: | ATWOOD OFFSHORE DRILLING Ltd | | File Number: | 333-257022-105 | |
| CIK: | 0001866228 | | Company Name: | ATWOOD OFFSHORE WORLDWIDE Ltd | | File Number: | 333-257022-104 | |
| CIK: | 0001866325 | | Company Name: | ENSCO (BARBADOS) Ltd | | File Number: | 333-257022-103 | |
| CIK: | 0001866327 | | Company Name: | ENSCO (MYANMAR) Ltd | | File Number: | 333-257022-102 | |
| CIK: | 0001866329 | | Company Name: | ENSCO ARABIA CO. LTD. | | File Number: | 333-257022-100 | |
| CIK: | 0001866814 | | Company Name: | Alpha Orca Co | | File Number: | 333-257022-10 | |
| CIK: | 0001866927 | | Company Name: | GREAT WHITE SHARK Ltd | | File Number: | 333-257022-09 | |
| CIK: | 0001866928 | | Company Name: | GREEN TURTLE Ltd | | File Number: | 333-257022-08 | |
| CIK: | 0001866929 | | Company Name: | INTERNATIONAL TECHNICAL SERVICES LLC | | File Number: | 333-257022-07 | |
| CIK: | 0001866931 | | Company Name: | MANATEE Ltd | | File Number: | 333-257022-06 | |
| CIK: | 0001866932 | | Company Name: | MANTA RAY Ltd | | File Number: | 333-257022-05 | |
| CIK: | 0001866881 | | Company Name: | Ralph Coffman Ltd | | File Number: | 333-257022-04 | |
| CIK: | 0001866934 | | Company Name: | VALARIS HOLDCO 2 Ltd | | File Number: | 333-257022-03 | |
| CIK: | 0001867065 | | Company Name: | Rowan N-Class (Gibraltar) Ltd | | File Number: | 333-257022-02 | |
| CIK: | 0001867060 | | Company Name: | Rowan No. 1 Ltd | | File Number: | 333-257022-01 | |
