I have asked Colin McConnell, Chief Executive of the Scottish Prison Service (SPS), to respond. His response is as follows: Over the last 5 financial years SPS has received service credit notes for the values set out in the following table: Service Credits 2014-15 2015-16 2016-17 2017-18 2018-19 APL – HMP Addiewell - £41,616.51 £397,847.62 £591,631.10 £947,990.66 KPSL - HMP Kilmarnock - £42,387.74 £2,191.21 £107,171.93 £366,942.00 G4S - CCPES £1,288,816.87 £1,215,296.57 £710,045.13 £673,589.42 £229,623.13 GEOAmey - SCCPES £84,240.00 Credit notes are received as a result of the contractors failing to meet the performance measures set in the private sector contracts.