18. Short term liquidity investments and cash and cash equivalents

2009
£000
2008
£000
Cash at bank and in hand 1,401 7,045
UCSF cash (note 20) - 32
Total cash and cash equivalents 1,401 7,077
Total short term liquidity investments (3 to 12 months) 29,300 36,000


Reconciliation of amounts invested to Trade Investments:

2009
£000
2008
£000
Investments in period 14,427 6,357
Debt to equity conversions (427) (208)
Net cash invested in trade investments in the year. 14,000 6,149

Reconciliation of cash flows arising from sale of Trade Investments:

2009
£000
2008
£000
Disposals of trade investments 12,093 3,600
Shares transferred to satisfy revenue sharing obligations (1,846) -
Deferred revenue on disposal of trade investments (6,308) -
Cash flow arising on the proceeds from sale of investment in trade investments 3,939 3,600


Reconciliation of cash flows arising on the sale of trade investments to provisions for liabilities and charges:

2009
£000
2008
£000
Movement in revenue sharing liability arising from disposal of trade investments 2,289 194
Previous year accrued revenue share paid - 138
Shares transferred to satisfy revenue sharing obligations (1,846) -
Provisions utilised in the period 69 -
Cash flow arising on the settlement of revenue sharing liabilities on sale of trade investments 512 332