Holding(s) in Company

Synchronica PLC
20 December 2007


20 December 2007

                                Synchronica PLC
                        ("Synchronica" or the "Company")

The Company was informed 18 December 2007 that as of 14 December 2007 Credit
Agricole Cheuvreux International Ltd holds 6,632,500 ordinary shares in the
Company, representing 7.89% of the currently issued share capital.

Enquiries:

Synchronica plc
Angus Dent, CFO                     [phone]
                                    [phone]
Nicole Meissner, CMO                [phone]
                                    [phone]

Seymour Pierce Limited              [phone]
David Newton
Parimal Kumar

Corfin Communications
Ben Hunt, Harry Chathli, Alexis     [phone]
Gore


About Synchronica

Synchronica plc develops and markets industry standard synchronisation and
device management solutions for mobile operators, device manufacturers, and
enterprises. Its product portfolio ranges from data synchronization (DS) to
device management (DM) and firmware update over the air (FOTA). Products include
the mobile device management suite Mobile Manager and the Push Email and
synchronization solution Mobile Gateway. Headquartered in the UK with a
development centre in Germany, and offices in Hong Kong, US and Dubai.
Synchronica plc is a public company traded on the AIM list of the London Stock
Exchange (SYNC.LN). More information is available at www.synchronica.com.

About Synchronica Mobile Gateway

Synchronica's Mobile Gateway is a carrier-grade middleware solution providing
push e-mail and synchronisation services. Based on the open industry standards
SyncML and IMAP, Mobile Gateway is compatible with a wide range of mobile
devices from leading device manufacturers, such as Nokia, Sony Ericsson,
Motorola, and Apple, without requiring additional client software to be
installed on the device or behind the firewall. Today more than 400 device
models and 1.3 billion devices support the industry standard.
Synchronica offers Mobile Gateway to operators, device manufacturers, and
enterprises, enabling their mobile users to send and receive email from consumer
mailboxes (AOL, Gmail, and others), as well as to synchronise their calendar and
contact data with business systems like Microsoft Exchange, Lotus Domino, and
Sun Java Communications Suite.



                      This information is provided by RNS
            The company news service from the London Stock Exchange