SOURCE: Spacelabs Healthcare

December 14, 2007 03:00 ET

TR-1: Notifications of Major Interests in Shares

HAWTHORNE, CA--(Marketwire - December 14, 2007) -


1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

        Spacelabs Healthcare, Inc. (LSE: SLAB)

2. Reason for notification (please place an X inside the appropriate bracket/s):

        An acquisition or disposal of voting rights: (X)

        An acquisition or disposal of financial instruments which may
        result in the acquisition of shares already issued to which voting
        rights are attached: ( )

        An event changing the breakdown of voting rights: ( )

        Other (please specify): ( )

        First notification under DTR Sourcebook: ( )

3. Full name of person(s) subject to notification obligation:

        OSI Systems, Inc.

4. Full name of shareholder(s) (if different from 3) :

        OSI Systems, Inc. (direct)
        OSI Optoelectronics, Inc. (indirect)

5. Date of transaction (and date on which the threshold is crossed or reached if different):

        12 December 2007

6. Date on which issuer notified:

        12 December 2007

7. Threshold(s) that is/are crossed or reached:

        Ownership (direct and indirect) of 90% of voting rights

8. Notified Details:

A: Voting rights attached to shares

Class/type of shares                            Situation previous to
if possible use                                 the Triggering transaction

ISIN CODE
                        Number of shares        Number of voting Rights

Common                     61,426,204                   61,426,204

Resulting situation after the triggering transaction

Class/type of shares   Number of shares    Number of    % of voting rights
if possible use                          voting rights

ISIN CODE                  Direct       Direct  Indirect   Direct  Indirect

Common                   58,076,134  58,076,134 3,350,070   85.1%    4.9%

B: Financial Instruments
Resulting situation after the triggering transaction

Type of    Expiration date  Exercise/conversion  No. of voting % of voting
financial                   period/date         rights that may   rights
instrument                                      be acquired (if
                                                the instrument
                                               exercised/converted)
Total (A+B)

Number of voting rights    % of voting rights

61,426,204                       90%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: See Section 4 above

Proxy Voting:

10. Name of proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information: Figures are based on a total of 68,248,785 voting rights

14. Contact name: Jeremy Norton

15. Contact telephone number: +1-310-349-2372

16. Contact at:


        OSI Systems, Inc.
        Attention: Jeremy Norton
        12525 Chadron Ave.
        Hawthorne, CA  90250
        USA

Contact Information

  • OSI Systems, Inc.
    Jeremy Norton
    +1-310-349-2372
    12525 Chadron Ave.
    Hawthorne, CA 90250
    USA