Holding(s) in Company

RNS Number : 4409S

Microgen PLC

09 September 2010

9 September 2010

Microgen plc (the "Company")

Notifiable Interests

The Company received the following notice on 8 September 2010 in compliance with the Disclosure and Transparency Rules from Aberforth Partners LLP:

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

Microgen plc

2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments
An event changing the breakdown of voting rights		X
Other (please specify):

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

Aberforth Partners LLP

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

Shareholder Shares

1. Aberforth Smaller Companies Trust plc 8,756,026

2. Aberforth UK Small Companies Fund 2,916,751

3. Aberforth Geared Capital & Income Trust plc 1,902,400

4. Aberforth Geared Income Trust plc 684,200

All shares are registered in the name of Nortrust Nominees Ltd A/c Aberforth

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

07/09/2010

6. Date on which issuer notified:

08/09/2010

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

17%

8. Notified details:
A: Voting rights attached to shares
Class/type of shares if possible using the ISIN CODE	Situation previous to the triggering transaction		Resulting situation after the triggering transaction
	Number of Shares	Number of Voting Rights	Number of shares	Number of voting rights		% of voting rights
			Direct	Direct	Indirect	Direct	Indirect
Ord 5p Shares	14,393,977	14,393,977	14,259,377	N/A	14,259,377	N/A	17.73
GB0005869531

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

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Exercise price	Expiration date	Exercise/ Conversion period	Number of voting rights instrument refers to	% of voting rights
N/A	N/A	N/A	N/A	N/A	Nominal	Delta
					N/A	N/A