The family of 52-year-old Clayton West have offered a reward to track down whoever killed him on April 22. 2015, in Puerto Galera.
West was an underwater videographer who was bludgeoned to death while on his way home on his motorcycle at 1.30am. He had lived in the town for 18 years.
The local police have been unable to find his killer and have found no motive for his murder. Mr West is survived by his Filipina wife and two children, aged six and three.
So far the police have not released an autopsy report.
Ruby West, the sister-in-law of Mr West, said the family in Australia had offered a $5,000 (AUS) reward for any information leading to the conviction of the killer or killers.