maintenance of the UK's nuclear deterrent. AWE experts also play a leading role in nuclear non-proliferation and international
nuclear security.

We enable the Royal Navy to move in and out of port at HM Naval Bases Faslane, Portsmouth and Devonport for operational deployment and training
exercises. Managing a fleet of over 100 vessels, we operate tugs and pilot boats, provide stores, liquid and munitions transportation and provide
passenger transfer services to and from ships for officers and crew. We also operate Woolwich Ferry and the Royal Navy worldwide laundry service.

We provide facilities and information systems support to the MoD's Defence Science and Technology Laboratory (Dstl), the UK government's leading
defence research establishment, including a £400m programme to rationalise the Dstl estate. We also provide facilities management services to the
Defence Estates in support ofthe UK military presence in Gibraltar.

Serco provides extensive engineering and maintenance support to UK military aviation, including to the Fleet Air Arm and Royal Air Force, working on
over 16 military aircraft types, in addition to the logistical support services at RAF bases across the country, including Brize Norton, Lyneham and
High Wycombe, the Headquarters of Air Command.

Our space and security specialists provide spacecraft operation and in-theatre support to the Skynet 5 secure military satellite communications
network; we maintain the UK's anti-ballistic missile warning system at RAF Fylingdales and support the UK Air Surveillance and Control System
(ASACS); Serco also supports the intelligence mission of the MoD and US Department of Defence at RAF Menwith Hill.

Our technical consulting business has provided independent advice to the Royal Navy on the safety of their