Buy-back of Own Shares

Mitsui Sumitomo Insurance Group Holdings, Inc.

We have not conducted share buy-back since our incorporation on Apr.1, 2008.

Mitsui Sumitomo Insurance Co., Ltd.

Mitsui Sumitomo Insurance Co., Ltd. has conducted share-buyback as shown below during the period from Oct.1, 2001 through Mar.31, 2008.

Mitsui Sumitomo Insurance Co., Ltd. has cancelled all of its treasury shares, including the shares below, on Mar.31, 2008.

Transaction Date
Shares Purchased (1,000s)
Amount (Yen in millions)
March 2002
18,895
10,962
December 2002
7,000
3,607
October-December 2003
29,381
25,999
August-October 2004
23,073
21,485
September 2005
10,000
11,992
October 2006
1,143
1,689
February-March 2007
7,846
11,499
February-March 2008
6,402
6,998
Total
103,740
94,235