Release and amendment of release according to article 26 section 1 of the WpHG

2010-02-24

Silicon Sensor International AG

Release and amendment of release according to article 26 section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

(A) For the purpose of clarification and in amendment to previous notifications published on February 24, 2009; February 26, 2009; March 31, 2009 and November 11, 2009 Daniel Hopp notified us on February 22, 2010 about the companies which are controlled by him as follows:

1.
Amendment of the publication on February 24, 2009
On February 22, 2010, Mr Daniel Hopp, Germany notified us according to article 21, section 1 of the WpHG, in amendment of release on February 23, 2009, that via shares his voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 3 % on February 6, 2009 and amount to 3.56 % (139,108 voting rights) as per this date.

Of these voting rights, 3.52 % (137,238 voting rights) are attributed to Mr Daniel Hopp according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Mr Daniel Hopp and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG - Hopp Verwaltungs GmbH

2.
Amendment of the publication on February 26, 2009
On February 22, 2010, Mr Daniel Hopp, Germany notfied us according to article 21, section 1 of the WpHG, in amendment of release on February 26, 2009, that via shares his voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 5 % on February 24, 2009 and amount to 5.27 % (205,602 voting rights) as per this date.
Of these voting rights, 5.22 % (203,732 voting rights) are attributed to Mr Daniel Hopp according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Mr Daniel Hopp and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG - Hopp Verwaltungs GmbH

3.
Amendment of the publication on March 31, 2009
On February 22, 2010, Mr Daniel Hopp, Germany notied us according to article 21, section 1 of the WpHG, in amendment of release on March 30, 2009, that via shares his voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 10 % on March 26, 2009 and amount to 13.65 % (602,898 voting rights) as per this date.
Of these voting rights, 13.61 % (601,028 voting rights) are attributed to Mr Daniel Hopp according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Mr Daniel Hopp and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG - Hopp Verwaltungs GmbH

4.
Amendment of the publication on November 11, 2009
On February 22, 2010, Mr Daniel Hopp, Germany notified us according to article 21, section 1 of the WpHG, in amendment of release on November 11, 2009, that via shares his voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the thresholds of 15 %, 20 % and 25 % on November 6, 2009 and amount to 29.90 % (1,981,143 voting rights) as per this date.
Of these voting rights, 29.87 % (1,979,273 voting rights) are attributed to Mr Daniel Hopp according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Mr Daniel Hopp and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG - Hopp Verwaltungs GmbH

(B) Furthermore, on February 22, 2010 the companies which are controlled by Mr Daniel Hopp notified us as follows:

1.1 On February 22, 2010, Hopp Verwaltungs GmbH, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 3 % on February 6, 2009 and amount to 3.52 % (137,238 voting rights) as per this date.
All voting rights are attributed to Hopp Verwaltungs GmbH according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Hopp Verwaltungs GmbH and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG

1.2 On February 22, 2010, Hopp Beteiligungsgesellschaft mbH & Co. KG, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 3 % on February 6, 2009 and amount to 3.52 % (137,238 voting rights) as per this date.
All voting rights are attributed to Hopp Beteiligungsgesellschaft mbH & Co. KG according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholder, which is controlled by Hopp Beteiligungs- gesellschaft mbH & Co. KG and is holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH

2.1 On February 22, 2010, Hopp Verwaltungs GmbH, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 5 % on February 24, 2009 and amount to 5.22 % (203,732 voting rights) as per this date.
All voting rights are attributed to Hopp Verwaltungs GmbH according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Hopp Verwaltungs GmbH and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG

2.2 On February 22, 2010, Hopp Beteiligungsgesellschaft mbH & Co. KG, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 5 % on February 24, 2009 and amount to 5.22 % (203,732) as per this date.
All voting rights are attributed to Hopp Beteiligungsgesellschaft mbH & Co. KG according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholder, which is controlled by Hopp Beteiligungsgesellschaft mbH & Co. KG and is holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH

3.1 On February 22, 2010, Hopp Verwaltungs GmbH, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 10 % on March 26, 2009 and amount to 13.61 % (601,028 voting rights) as per this date.
All voting rights are attributed to Hopp Verwaltungs GmbH according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Hopp Verwaltungs GmbH and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG

3.2 On February 22, 2010, Hopp Beteiligungsgesellschaft mbH & Co. KG, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the threshold of 10 % on March 26, 2009 and amount to 13.61 % (601,028) as per this date.
All voting rights are attributed to Hopp Beteiligungsgesellschaft mbH & Co. KG according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholder, which is controlled by Hopp Beteiligungs- gesellschaft mbH & Co. KG and is holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH

4.1 On February 22, 2010, Hopp Verwaltungs GmbH, Mannheim, Germany notfied us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the thresholds of 15 %, 20 % and 25 % on November 6, 2009 and amount to 29.87 % (1,979,273 voting rights) as per this date.
All voting rights are attributed to Hopp Verwaltungs GmbH according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholders, which are controlled by Hopp Verwaltungs GmbH and are holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH
- Hopp Beteiligungsgesellschaft mbH & Co. KG

4.2 On February 22, 2010, Hopp Beteiligungsgesellschaft mbH & Co. KG, Mannheim, Germany notified us according to article 21, section 1 of the WpHG that via shares its voting rights on Silicon Sensor International AG, Berlin, Germany, ISIN: DE0007201907, WKN: 720190 have exceeded the thresholds of 15 %, 20 % and 25 % on November 6, 2009 and amount to 29.87 % (1,979,273 voting rights) as per this date.
All voting rights are attributed to Hopp Beteiligungsgesellschaft mbH & Co. KG according to article 22, section 1, sentence 1, no. 1 of the WpHG.
Voting rights of the following shareholder, which is controlled by Hopp Beteiligungs- gesellschaft mbH & Co. KG and is holding 3 % or more in the voting rights of Silicon Sensor International AG, Berlin, Germany are to be attributed to: - DAH Beteiligungs GmbH

Berlin, February 24, 2010

Silicon Sensor International AG
The Executive Board

DGAP, February 24, 2010

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