Tokio Marine Holdings, Inc. (the "Company") announced that it has repurchased its own shares through the Tokyo Stock Exchange as approved by its board of directors on August 11, 2008, pursuant to Article 156 which is applicable in accordance with Article 165, paragraph 3 of the Companies Act, as described below.

(a) Period in which repurchases were made:
      From August 12, 2008 through August 31, 2008.
(b) Number of shares repurchased:
      3,186,100 shares.
(c) Aggregate purchase price of shares:
      11,476,682,000 yen.
(d) Method of repurchase:
      Purchased through the Tokyo Stock Exchange.

(For reference)

1. Details of the resolution made at the meeting of the board of directors held on August 11, 2008 are as follows.

(a) Class of shares to be repurchased:
      Common stock of the Company.
(b) Aggregate number of shares to be repurchased:
      Up to 18,000,000 shares.
      (Represents approximately 2.2% of total issued shares excluding treasury shares.)
(c) Aggregate purchase price of shares:
      Up to 50.0 billion yen.
(d) Period in which repurchase may be made:
      From August 12, 2008 through November 18, 2008 except September 22, 2008 through
      September 30, 2008.

2. Details of the share repurchases made by August 31, 2008 as approved by the board of directors on August 11, 2008 are as follows.

(a) Aggregate number of shares repurchased:
      3,186,100 shares.
(b) Aggregate purchase price of shares:
      11,476,682,000yen.