Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Letter from Ms. Christine R. Kennaman, Chief Executive Officer, Subsea Services Inc. dated 17 August 2017.
2. SUBSEA SERVICE, INC. will conduct hydrographic survey on August 19, 2017 until on or before August 26, 2017 at Shell Lapuz Oil Depot, Iloilo City, Philippines for PILIPINAS SHELL PETROLEUM CORP., areas bounded by the following coordinates:
| POINT ID | LATITUDE | LONGITUDE |
| PT 1 | 10°41’34.30”N | 122°35’8.13”E |
| PT 2 | 10°41’30.09”N | 122°35’13.11”E |
| PT 3 | 10°41’48.98”N | 122°35’21.10”E |
| PT 4 | 10°41’45.01”N | 122°35’26.20”E |
3. In this connection, all ships/watercrafts transiting the vicinity of the above-mentioned areas are advised to take note of the information and take necessary precautionary measures.
4. The cooperation of all concerned in effecting the widest dissemination of this information is requested.