The band will be joined by Thy Art Is Murder and The Amity Affliction across all dates.
Thy Art Is Murder, Fit For An Autopsy and Malevolence have teamed up on the forthcoming release.
The special anniversary show is set to take place at The Dome in London on 10th April 2023.
'Omens' is the title track from the band's upcoming ninth album - watch the video here.
'Killing Season' is the band's first new music since their fifth full-length, 'Human Target'.
The unique online event will see performances from Sabaton, Avatar, TesseracT and more.
At The Garage in Glasgow, Thy Art Is Murder, Carnifex and Fit For An Autopsy took to the stage for an evening full of guttural vocals and thuggish breakdowns.
Over 10,000 metal fans descend upon one of the nations most revered venues tonight to witness a moment of history, as Aussie metalcore heroes Parkway Drive headline the biggest show of their illustrious career.
Parkway Drive will make their debut at Bloodstock this August.
Parkway Drive share a lyric video for 'Shadow Boxing' ahead of their UK/European tour.