Holding(s) in Company

+--------------------------------------------------+
| TR-1: Notifications of Major Interests in Shares |
+--------------------------------------------------+



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|                                                 |                 |
| 1. Identity of the issuer or the underlying     |     SMG plc     |
| issuer of existing shares to which voting       |                 |
| rights are attached:                            |                 |
|-------------------------------------------------------------------|
|                                                                   |
| 2. Reason for notification (yes/no)                               |
|-------------------------------------------------------------------|
|                                                             |     |
| An acquisition or disposal of voting rights                 | Yes |
|-------------------------------------------------------------+-----|
|                                                             |     |
| An acquisition or disposal of financial instruments which   | No  |
| may result in the acquisition of shares already issued to   |     |
| which voting rights are attached                            |     |
|-------------------------------------------------------------+-----|
|                                                             |     |
| An event changing the breakdown of voting rights            | No  |
|-------------------------------------------------------------+-----|
|                                                             |     |
| Other (please specify):______________                       | No  |
|-------------------------------------------------------------------|
|                                    |                              |
| 3. Full name of person(s) subject  |     Artermis Investment      |
| to notification obligation (iii):  |        Management Ltd        |
|------------------------------------+------------------------------|
|                                    |      Artemis UK Growth       |
| 4. Full name of shareholder(s) (if |   Artemis Institutional UK   |
| different from 3):  (iv)           |            Growth            |
|                                    |   Artemis Alpha Trust plc    |
|                                    |  Absolute Return Hedge Fund  |
|------------------------------------+------------------------------|
|                                    |                              |
| 5. Date of transaction (and date   |        29 August 2008        |
| on which the threshold is crossed  |                              |
| or reached) (v)                    |                              |
|------------------------------------+------------------------------|
|                                    |                              |
| 6. Date on which issuer notified:  |       2 September 2008       |
|------------------------------------+------------------------------|
|                                    |                              |
| 7. Threshold(s) that is/are        |              8%              |
| crossed or reached:                |                              |
|------------------------------------+------------------------------|
|                                    |            |           |     |
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+-------------------------------------------------------------------------------------------------+
|8: Notified Details                                                                              |
|-------------------------------------------------------------------------------------------------|
|A: Voting rights attached to shares                                                              |
|                                                                                                 |
|-------------------------------------------------------------------------------------------------|
|Class/type of|Situation previous to the     |Resulting situation after the triggering transaction|
|shares       |triggering transaction (vi)   |                                                    |
|If possible  |------------------------------+----------------------------------------------------|
|use ISIN code|Number of   |Number of voting |Number of  |Number of voting rights |Percentage of  |
|             |shares      |rights (viii)    |shares     |(ix)                    |voting rights  |
|             |            |                 |           |------------------------+---------------|
|             |            |                 |           |             |          |      |        |
|             |            |                 |           |Direct (x)   |Indirect  |Direct|Indirect|
|             |            |                 |           |             |(xi)      |      |        |
|-------------+------------+-----------------+-----------+-------------+----------+------+--------|
|             |            |                 |           |             |          |      |        |
|Ord 2.5p     | 71,865,854 |   71,865,854    |78,772,004 | 78,772,004  |          |8.28% |        |
|GB0004325402 |            |                 |           |             |          |      |        |
|             |            |                 |           |             |          |      |        |
+-------------------------------------------------------------------------------------------------+



+---------------------------------------------------------------------------+
|B: Financial Instruments                                                   |
|                                                                           |
|---------------------------------------------------------------------------|
|Resulting situation after the triggering transaction                       |
|                                                                           |
|---------------------------------------------------------------------------|
|Type of   |Expiration|Exercise/   |No. of voting rights that may|Percentage|
|financial |date      |conversion  |be acquired (if the          |of voting |
|instrument|          |period/date |instrument                   |rights    |
|          |          |            |exercised/converted)         |          |
|----------+----------+------------+-----------------------------+----------|
|          |          |            |                             |          |
|          |          |            |                             |          |
+---------------------------------------------------------------------------+



+-------------------------------------------------------+
| Total (A+B)                                           |
|                                                       |
|-------------------------------------------------------|
| Number of voting rights | Percentage of voting rights |
|-------------------------+-----------------------------|
|                         |                             |
| 78,772,004              | 8.28%                       |
|                         |                             |
+-------------------------------------------------------+



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| 9. Chain of controlled undertakings through which the voting      |
| rights and /or the financial instruments are effectively held, if |
| applicable:                                                       |
|-------------------------------------------------------------------|
|                                                                   |
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| Proxy Voting:                                                     |
|                                                                   |
|-------------------------------------------------------------------|
| 10. Name of proxy holder:                                   | n/a |
|                                                             |     |
|-------------------------------------------------------------+-----|
| 11. Number of voting rights proxy holder will cease to      | n/a |
| hold:                                                       |     |
|                                                             |     |
|-------------------------------------------------------------+-----|
| 12. Date on which proxy holder will cease to hold voting    | n/a |
| rights:                                                     |     |
|                                                             |     |
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| 13. Additional information: |                                     |
|                             |                                     |
|-----------------------------+-------------------------------------|
| 14 Contact name:            | Jane E A Tames, Company Secretary,  |
|                             | SMG plc                             |
|-----------------------------+-------------------------------------|
| 15. Contact telephone name: | 0141 300 3074                       |
|                             |                                     |
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