appeal against sentence — conspiracy to commit preparatory terrorism act offence contrary to ss 11.5 and 101.6(1) of Commonwealth Criminal Code — original sentence imposed 13 years and 6 months imprisonment — offender aged 14 years and 2 months at time of offence — guilty plea — s 16A(2)(g) — application of Xiao v The Queen [2018] NSWCCA 4 — sentencing judge in error by not having regard to utilitarian value of offender’s guilty plea — plea will be of limited benefit when entered on first day of trial — discount of 10% granted — rehabilitation — s 16A(2)(n) — contrition — s 16A(2)(f) — despite offender not giving evidence in court of renunciation of extremist beliefs held at time of offending, sentencing judge correct in assessing offender’s prospects of rehabilitation as favourable — sentencing judge correct in considering offender’s supportive family, developing maturity and unqualified acceptance ‘that what he did was seriously wrong’ as relevant to prospects of rehabilitation — appeal allowed — offender resentenced to 10 years’ and 9 months imprisonment with 8 year non-parole period — sentence to be served as juvenile offender up to offender attaining 21 years of age
