This translation of the original Japanese notice is provided solely for information purposes. Should there be any discrepancy between this translation and the Japanese original, the latter shall prevail.

REIT Issuer: Daiwa Office Investment Corporation (Stock Code No.: 8976) Representative: Kazuo Otaka, Executive Director

Asset Manager: Daiwa Real Estate Asset Management Co., Ltd. Representative: Akira Yamanouchi, President and Representative Director Inquiries to: Yuji Shinotsuka, Vice President and Representative Director (Tel: +81-3-6215-9649)

March 5, 2012

Notice Regarding additional acquisition of the investment units by Daiwa PI Partners Co. Ltd. and becoming a consolidated subsidiary of Daiwa Securities Group Inc.

As announced "Notice Regarding additional acquisition of the investment units of Daiwa Office Investment Corporation by Daiwa PI Partners Co. Ltd. from K.K. Columbus as a result of the foreclosure of the security interest" dated February 21, 2012, Daiwa PI Partners Co. Ltd. ("Daiwa PIP"), a related party (*1) of Daiwa Real Estate Asset Management Co., Ltd.("DREAM") to which Daiwa Office Investment Corporation ("DOI") entrusts its asset management operations, foreclosed the security interest pursuant to the a loan agreement (the "Agreement") with K.K. Columbus ("Columbus") and acquired 52,500 investment units (13.26% of the total issued and outstanding investment units) of DOI held by Columbus on February 21, 2012. Additionally Daiwa PIP acquired 15,000 investment units (3.79% of the total issued and outstanding investment units) of DOI from Columbus on February 28,
2012, and Daiwa PIP is going to acquire 1,405 investment units (0.35% of the total issued and outstanding investment units) of DOI from Columbus on March 6, 2012.
DOI received notification from Daiwa PIP that as a result, Daiwa PIP is going to acquire 16,405 investment units in total (4.14% of the total issued and outstanding investment units) from Columbus (the "Additional Acquisition").
In addition, DOI also received notification from Daiwa Securities Group Inc. ("DSGI") that, in accordance with the "effective control standards" of the accounting standards, DOI is expected to be treated as a consolidated subsidiary of DSGI in its consolidated financial statements.

*1 Daiwa PIP is a consolidated subsidiary of DSGI that is the parent company of DREAM.

1. Number of investment units acquired and Investor Composition before and after the

Acquisition

(Before the Additional Acquisition)

DSGI

Daiwa PIP

Columbus

1. Number of investment units held

51,893 units

112,500 units

16,405 units

2. Investment-holding ratio against the total outstanding

investment units

13.11 %

28.42 %

4.14 %

3. Rank among investment unit holders

3rd

1st

6th

According to the release announced on February 21, 2012

Note: This press release was prepared as a public announcement regarding the additional acquisition and becoming a consolidated subsidiary of DSGI and was not prepared with the aim of soliciting investments.

(After the Additional Acquisition (Planned))

DSGI

Daiwa PIP

Columbus

1. Number of investment units held

51,893 units

128,905 units

0 unit

2. Investment-holding ratio against the total outstanding investment units

13.11%

32.57%

0.00%

3. Rank among investment unit holders

3rd

1st

-

The total number of the investment units held by DSGI and Daiwa PIP is expected to be 180,798 units (45.68% of the total outstanding investment units).

DOI received notification from DSGI that even though the aggregate number of investment units of DOI held by DSGI and Daiwa PIP will be 180,798 (45.68% of the total outstanding investment units), DOI is expected to be treated as a consolidated subsidiary of DSGI in its consolidated financial statements in accordance with the "effective control standards" of the accounting standards.

2. Date of Acquisitions

February 28, 2012 and March 6, 2012 (planned)

3. Prospects

We believe that the Additional Acquisition will have no effect on our operating structure and earnings. Additionally we believe that the Additional Acquisition will not affect the conduit status of DOI for taxation purposes the requirements for which are stipulated under Article 67-15 of the Act on Special Measures Concerning Taxation (the "Act"), because the aggregate investment-holding ratio in DOI held by DSGI and Daiwa PIP (and those who have special relationships defined in Paragraph 5, Article 39-32-3 of the Enforcement Order for the Act with either of DSGI or Daiwa
PIP) after the Additional Acquisition is not going to exceed 50%. And then DOI received notification from DSGI that the aggregate investment-holding ratio in DOI held by DSGI and Daiwa PIP will not exceed 50% at present.
Please also refer to "Notice regarding additional acquisition of the investment units of Daiwa Office Investment Corporation and expected consolidation as a consolidated subsidiary" dated March 5, 2012 released by DSGI and Daiwa PIP.
-End-

Note: This press release was prepared as a public announcement regarding the additional acquisition and becoming a consolidated subsidiary of DSGI and was not prepared with the aim of soliciting investments.

(Reference)

Corporate Profile of DSDI

(as of March 5, 2012)

1. Company Name

Daiwa Securities Group Inc.

2. Address

GranTokyo North Tower

9-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo, Japan

3. Title and Name of

Representative

President and CEO, Takashi Hibino

4. Description of Business

Investment / Finacial Services Business mainly through

Securities-related Business

5. Amount of Capital

JPY 247.3 Billion (as of the end of September 2011)

6. Relationships between DOI

and DSGI, and DREAM

and DSGI

Capital Relationship:

DSGI holds 51,893 investment units of DOI.

Furthermore, DSGI holds whole shares of

DREAM.

6. Relationships between DOI

and DSGI, and DREAM

and DSGI

Personal

Relationship:

There is no personal relationship between

DSGI and DOI. On the other hand, some executives and employees of DSGI have been also appointed as directors of DREAM.

6. Relationships between DOI

and DSGI, and DREAM

and DSGI

Business

Relationship:

DSGI holds First Series Unsecured

Subordinated Investment Corporation Bonds with Early Redemption Clause (limited to Qualified Institutional Investors), and receives interests on this subordinated bonds. Moreover, DSGI has entered into a sponsor support agreement with DREAM.

6. Relationships between DOI

and DSGI, and DREAM

and DSGI

Status as a Related

Party:

DOI has been an equity method affiliate of

DSGI, and will become a consolidated subsidiary of DSGI from the fourth quarter of FY 2011.

In addition, DSGI falls under the definition of "Interested Person, etc." under the Act on Investment Trusts and Investment Corporations.

Note: This press release was prepared as a public announcement regarding the additional acquisition and becoming a consolidated subsidiary of DSGI and was not prepared with the aim of soliciting investments.