Release of an announcement according to Section 25a, para. 1 of the WpHG

Wertpapierkennnummer 843002
ISIN DE0008430026

1. Listed company:

Münchener Rückversicherungs-Gesellschaft Aktiengesellschaft in München
Königinstraße 107, 80802 München, Deutschland

2. Notifier:

Commerzbank Aktiengesellschaft, Frankfurt am Main, Deutschland

3. Triggering event:

Exceeding threshold

4. Threshold(s) crossed or reached:

5%

5. Date at which the threshold is crossed or reached:

23 April 2013

6. Total amount of voting rights:

8.54% (equals 15,305,080 voting rights)
calculated from the following total number of voting rights issued:
179,341,212

7. Detailed information on the voting rights proportion:

Voting rights proportion based on financial/other instruments pursuant to sec. 25a WpHG:
0.90% (equals 1,606,108 voting rights)
thereof held indirectly: 0% (equals 0 voting rights)

Voting rights proportion based on financial/other instruments pursuant to sec. 25 WpHG:
4.08% (equals 7,321,110 voting rights)
thereof held indirectly: 0% (equals 0 voting rights)

Voting rights pursuant to sec. 21, 22 WpHG:
3.56% (equals 6,377,862 voting rights)

8. Detailed information on financial/other instruments pursuant to sec. 25a WpHG:

Chain of controlled undertakings:
-

ISIN or name/description of the financial/other instrument:

- Put-Option with physical delivery, expiry 17 May 2013
- Put-Option with physical delivery, expiry 21 June 2013
- Put-Option with physical delivery, expiry 20 Sept. 2013
- Put-Option with physical delivery, expiry 20 Dec. 2013
- Put-Option with physical delivery, expiry 21 March 2014
- Put-Option with physical delivery, expiry 20 June 2014
- Put-Option with physical delivery, expiry 19 Dec. 2014
- Equity Futures, maturity 17 May 2013
- Equity Futures, maturity 21 June 2013

Munich, 3 May 2013

The Board of Management