Could this refer to the royalty held by Bass Trust way before it...

Could this refer to the royalty held by Bass Trust way before it was listed on ASX?

Bass Strait Oil Trust holds interests in royalty agreement in Weeks Royalty in Australia. Its interests include an entitlement to 55.11% of royalty payments made by BHP and Esso under the terms of a 2.5% overriding royalty, known as the Bass Strait Royalty, on the gross value of hydrocarbons produced and recovered from designated areas in Bass Strait. Bass Strait Oil Management Limited serves as the manager of the trust. The trust was founded in 1997 and is based in Sydney, Australia.