Holding(s) in Company

For filings with the FSA include the
 annex

 For filings with issuer exclude the
 annex


+------------------------------------------------------------------------------+
|TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                               |
+------------------------------------------------------------------------------+

+---------------------------------------------+--------------------------------+
|1. Identity of the issuer or the underlying  |                                |
|issuer                                       |          Geiger Counter Limited|
|of existing shares to which voting rights are|                                |
|attached: ii                                 |                                |
+---------------------------------------------+--------------------------------+
|2 Reason for the notification (please tick the appropriate box or boxes):     |
+-------------------------------------------------------------------+----------+
|An acquisition or disposal of voting rights                        |   Yes    |
+-------------------------------------------------------------------+----------+
|An acquisition or disposal of qualifying financial instruments     |          |
|which may result in the acquisition of shares already issued to    |    No    |
|which voting rights are attached                                   |          |
+-------------------------------------------------------------------+----------+
|An acquisition or disposal of instruments with similar economic    |    No    |
|effect to qualifying financial instruments                         |          |
+-------------------------------------------------------------------+----------+
|An event changing the breakdown of voting rights                   |    No    |
+-------------------------------------------------------------------+----------+
|Other (please specify):                                            |          |
+--------------------------------------+----------------------------+----------+
|3. Full name of person(s) subject to  |                                       |
|the                                   |         RATHBONE BROTHERS PLC         |
|notification obligation: iii          |                                       |
+--------------------------------------+---------------------------------------+
|                                      |         RATHBONE BROTHERS PLC         |
|4. Full name of shareholder(s)        |  Rathbone Investment Management Ltd   |
|(if different from 3.):iv             |    Rathbone Investment Management     |
|                                      |             International             |
|                                      |                Limited                |
+--------------------------------------+---------------------------------------+
|5. Date of the transaction and date on|                                       |
|which the threshold is crossed or     |          09th September 2011          |
|reached: v                            |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |          12th September 2011          |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|                  5%                   |
|reached: vi, vii                      |                                       |
+--------------------------------------+---------------------------------------+

+------------------------------------------------------------------------------+
|8. Notified details:                                                          |
+------------------------------------------------------------------------------+
|A: Voting rights attached to shares viii, ix                                  |
+-------------+---------------------+------------------------------------------+
|Class/type of|Situation previous   |Resulting situation after the triggering  |
|shares       |to the triggering    |transaction                               |
|             |transaction          |                                          |
|if possible  +----------+----------+---------+----------------+---------------+
|using        |Number    |Number    |Number   |Number of voting|% of  voting   |
|the ISIN CODE|of        |of        |of shares|rights          |rights x       |
|             |  ares    |V ting    +---------+------+---------+------+--------+
|             |          |Rights    |Direct   |Direct|Indirect |Direct|Indirect|
|             |          |          |         |xi    |xii      |      |        |
+-------------+----------+----------+---------+------+---------+------+--------+
|25p Ordinary |          |          |         |      |         |      |        |
|             |          |          |         |      |         |      |        |
|GB0004829437 |3,174,548 |3,174,548 |N/A      |N/A   |3,169,548|N/A   |4.99%   |
|             |          |          |         |      |         |      |        |
|             |          |          |         |      |         |      |        |
+-------------+----------+----------+---------+------+---------+------+--------+

+------------------------------------------------------------------------------+
|B: Qualifying Financial Instruments                                           |
+------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                          |
+---------------+----------+-------------------+-----------------+-------------+
|Type of        |Expiration|Exercise/          |Number of voting |% of voting  |
|financial      |date xiii |Conversion Period  |rights that may  |rights       |
|instrument     |          |xiv                |be               |             |
|               |          |                   |acquired if the  |             |
|               |          |                   |instrument is    |             |
|               |          |                   |exercised/       |             |
|               |          |                   |converted.       |             |
+---------------+----------+-------------------+-----------------+-------------+
|N/A            |N/A       |N/A                |N/A              |N/A          |
+---------------+----------+-------------------+-----------------+-------------+

+------------------------------------------------------------------------------+
|C: Financial Instruments with similar economic effect to Qualifying Financial |
|Instruments xv, xvi                                                           |
+------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                          |
+--------------+--------+----------+----------+-----------------+--------------+
|Type of       |Exercise|Expiration|Exercise/ |Number of voting |% of voting   |
|financial     |price   |date xvii |Conversion|rights instrument|rights xix, xx|
|instrument    |        |          |period    |refers to        |              |
|              |        |          |xviii     |                 |              |
+--------------+--------+----------+----------+-----------------+-------+------+
|              |        |          |          |N/A              |Nominal|Delta |
|N/A           |N/A     |N/A       |N/A       |                 +-------+------+
|              |        |          |          |                 |       |      |
+--------------+--------+----------+----------+-----------------+-------+------+

+------------------------------------------------------------------------------+
|Total (A+B+C)                                                                 |
+------------------------------------+-----------------------------------------+
|Number of voting rights             |Percentage of voting rights              |
+------------------------------------+-----------------------------------------+
|3,169,548                           |                  4.99%                  |
+------------------------------------+-----------------------------------------+

+--------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or|
|the                                                                       |
|financial instruments are effectively held, if applicable: xxi            |
+--------------------------------------------------------------------------+
|                                                                          |
|RATHBONE BROTHER PLC*                                                     |
|                                                                          |
|Rathbone Investment Management Limited                         4.678%     |
|                                                                          |
|Rathbone Investment Management International Limited    0.313%            |
|                                                                          |
|*Rathbone Brothers Plc is the holding company of the following.           |
|                                                                          |
+--------------------------------------------------------------------------+


+--------------------------------------------------------------------------+
|Proxy Voting:                                                             |
+-------------------------------------------------+------------------------+
|10. Name of the proxy holder:                    |n/a                     |
|                                                 |                        |
+-------------------------------------------------+------------------------+
|11. Number of voting rights proxy holder will    |n/a                     |
|cease                                            |                        |
|to hold:                                         |                        |
+-------------------------------------------------+------------------------+
|12. Date on which proxy holder will cease to hold|n/a                     |
|voting rights:                                   |                        |
+-------------------------------------------------+------------------------+

+-----------------------------+--------------------------------------------+
|                             |Total shares in issued used a denominator is|
|13. Additional information:  |6349853                                     |
+-----------------------------+--------------------------------------------+
|14. Contact name:            |Compliance Department                       |
+-----------------------------+--------------------------------------------+
|15. Contact telephone number:|020 7399 0000                               |
+-----------------------------+--------------------------------------------+










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Source: Geiger Counter Ltd via Thomson Reuters ONE

[HUG#1546253]