Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Philippine Navy Radio Message Cite NOCB-0518-037
2. The following Philippine Navy will conduct exercise Lumbas 2018 from 21 to 22 May 2018 at naval forces central area of responsibilities. Part of the exercise is the conduct of Gunnex bounded with the following coordinates:
| Point A | Latitude 09° 41’00” North | Longitude 121° 54’00” East |
| Point B | Latitude 09° 14’00” North | Longitude 122° 48’00” East |
| Point C | Latitude 08° 21’00” North | Longitude 122° 21’00” East |
| Point D | Latitude 08° 47’30” North | Longitude 121° 27’00” East |
3. In this connection, all ships/watercrafts transiting the vicinity of the abovementioned areas are advised to take note of the information and take necessary precautionary measures at all times
4. The cooperation of all concerned in effecting widest dissemination of this information is requested.