CSL DUALCOM GROUP LIMITED

Glas Trust Corporation Limited (Registered in England with Number 07927175) as Security Trustee for the Secured Parties

N/A.

Glas Trust Corporation Limited as Security Trustee for the Secured Parties (Security Agent)

Not applicable.

NATWEST MARKETS PLC AS SECURITY TRUSTEE FOR THE SECURED PARTIES (SECURITY AGENT)

THE ROYAL BANK OF SCOTLAND PLC AS SECURITY TRUSTEE FOR THE SECURED PARTIES (SECURITY AGENT)

OCTOPUS INVESTMENTS LIMITED

COMPOSITE CUARANTEE AND DEBENTURE

OCTOPUS ASSET MANAGEMENT LIMITED (THE TRUSTEE)

DEED OF ACCESSION

OCTOPUS INVESTMENTS LIMITED (THE SECURITY TRUSTEE)

DEED OF ACCESSION

OCTOPUS APOLLO VCT 1 PLC (NO 05770752) AS SECURITY TRUSTEE FOR ITSELF AND OCTOPUS APOLLO VCT 2 PLC (NO 05770744) OCTOPUS PROTECTED VCT PLC (NO 05840377) AND OCTOPUS PROTECTED VCT 2 PLC (06614754)

DEED OF VARIATION TO A COMPOSITE GUARANTEE AND DEBENTURE DATE 2 APRIL 2009

OCTOPUS APOLLO VCT 1 PLC (AS TRUSTEE)

COMPOSITE GUARANTEE AND DEBENTURES