Notice regarding allotment of stock acquisition rights(stock compensation-type stock options) FOR IMMEDIATE RELEASE

Listed Company Name: Kyowa Hakko Kirin Co., Ltd. Representative: Nobuo Hanai, President and CEO (Code no.: 4151, First Section of TSE)

Inquiries: Shigeru Morotomi, Executive Officer Corporate Communications Department Media Contact: +81-3-3282-1903

Investor Contact: +81-3-3282-0009

Notice regarding allotment of stock acquisition rights (stock compensation-type stock options)

Tokyo, March 20, 2015 - Kyowa Hakko Kirin gives notice that at a meeting of its Board of Directors held today and in accordance with a resolution adopted at the 92nd General Meeting of Shareholders held on March 20, 2015 pursuant to Article 239, Items 1 and 2, Paragraph 1 of the Corporation Law, it determined the conditions related to an offer for subscription of stock acquisition rights to be granted to its Directors (here and hereinafter refers to Executive Directors) and Executive Officers, and resolved to solicit those persons to subscribe to the stock acquisition rights, pursuant to Article 236, Paragraph 1 and Article 238, Paragraph 1 of the Corporation Law.

1. Name of offered stock acquisition rights

Kyowa Hakko Kirin stock acquisition rights (stock compensation-type stock options) issued March 2015

2. Total number of offered stock acquisition rights

82 units
The total number shown above is the intended allotted number. If the total number of allotted offered stock acquisition rights decreases due to a shortage of subscriptions, etc., the total number of offered stock acquisition rights issued will be the total number actually allotted.

3. Class and number of shares to be granted upon exercise of offered stock acquisition rights

The class of shares to be granted upon exercise of the offered stock acquisition rights shall be shares of common stock. The number of shares to be granted upon exercise of each offered stock acquisition right (hereinafter the "Number of Granted Shares") shall be 1,000 shares.
Notwithstanding the foregoing, in the event that the Company carries out a stock split (including any allotment of common stock of the Company without contribution; the same shall apply hereinafter in relation to stock splits) or a consolidation of the common stock, the Number of Granted Shares shall be adjusted according to the following formula. Any fraction less than one share resulting from this adjustment shall be rounded down.
Number of Shares Granted After Adjustment =
Number of Shares Granted Before Adjustment × Ratio of Stock Split or Consolidation
In addition, the Number of Granted Shares shall be adjusted to an extent reasonable in the unavoidable event where an adjustment of the Number of Granted Shares is required.

4. Amount of assets to be contributed upon exercise of offered stock acquisition rights

The amount of assets to be contributed upon exercise of each offered stock acquisition right shall be the amount obtained by multiplying ¥1, which is the exercise price per one (1) share to be granted upon exercise of offered stock acquisition rights, by the Number of Granted Shares.

5. Exercise period of offered stock acquisition rights

The exercise period is from March 22, 2015 to March 20, 2035.

6. Matters concerning the amount of increase in stated capital and legal capital surplus resulting from issuance of shares upon exercise of offered stock acquisition rights

- 1 -

1) The amount of increase in stated capital resulting from the issuance of shares upon exercise of the offered stock acquisition rights shall be one-half of the maximum amount of increase in capital stock as calculated pursuant to Article 17, Paragraph 1 of the Corporate Accounting Rules. Any fraction of less than ¥1 shall be rounded up to the nearest yen.
2) The amount of increase in legal capital surplus resulting from the issuance of shares upon exercise of offered stock acquisition rights shall be the maximum amount of increase in stated capital as provided in 1) above less the amount of increase in stated capital as determined in 1) above.

7. Restrictions on the acquisition of offered stock acquisition rights through transfer

The acquisition of the offered stock acquisition rights through transfer shall require approval by resolution of the Board of Directors of the Company.

8. Other terms of exercise of offered stock acquisition rights

1) The holder of the stock acquisition rights may, within the period specified in item 5. above, exercise his or her stock acquisition rights within the ten (10) days following the date on which he or she ceases to be a Director of the Board or an Executive Officer of the Company (excluding cases where the individual continues to serve as an employee of the Company), or in cases where a person serving as an Executive Officer assumes office as a Director of the Board or Company Auditor of the Company, within the ten (10) days following the date of the said assumption of office.
2) Partial exercise of one (1) stock acquisition right is not permitted.

9. Amount to be paid for offered stock acquisition rights

No payment shall be required in exchange for offered stock acquisition rights

10. Date of allotment of offered stock acquisition rights

March 21, 2015

11. Place at which requests to exercise offered stock acquisition rights shall be lodged

Corporate Secretariat Group, General Affairs & External Relations Department of Kyowa Hakko Kirin (or such other department as may hold such responsibility from time to time)

12. Bank handling payments for the exercise of offered stock acquisition rights

Head Office of the Mizuho Bank, Ltd. (or such successor bank or branch office as may from time to time assume such responsibility)

13. Persons to whom offered stock acquisition rights are to be allocated, the number of such persons and the number of offered stock acquisition rights to be allotted

33 units are to be allocated to 5 Directors of Kyowa Hakko Kirin and 49 units are to be allocated to 16
Executive Officers of Kyowa Hakko Kirin.
No decisions have been taken on matters concerning: 1. Acquisition of offered stock acquisition rights; 2. Handling of stock acquisition rights at the time of an organizational restructuring; and 3. Handling in the event of the issuance of stock acquisition rights securities.

Ends

- 2 -

distributed by