Green building certifications are granted by third parties regarding initiatives for the reduction of environmental load of buildings, improvement of comfort of users, etc. to assure high performance.

In an aim to increase the credibility and objectivity of its efforts to reduce environmental load as well as increase the value of its buildings in the mid-to-long-term, NBF endeavors to utilize green building certifications from third parties.

Policy for Acquiring Green Building Certification and Assessment

NBF aims to acquire 100% to acquire green building certifications and Assessment for existing properties under management on an ongoing basis for the purpose of reducing the environmental risks of its portfolio and increasing asset value in the mid-to-long-term.

Summary of Green Building certified properties in NBF’s portfolio (as of June 30, 2024)

	Rating	Number of Certified properties	Proportion of certified properties to whole portfolio (based on number of properties)	Total floor area of certified properties（㎡）	Proportion of certified properties to whole portfolio (based on floor area)
DBJ Green Building Certification	★★★★	4	5.9%	184,334	9.8%
	★★★	11	16.2%	238,439	12.7%
	Subtotal	15	22.1%	422,773	22.6%
CASBEE for Buildings	S	1	1.5%	74,653	4.0%
CASBEE for Real Estate	S	34	50.0%	1,192,874	63.7%
	A	16	23.5%	160,760	8.6%
	Subtotal	50	73.5%	1,353,634	72.3%
Total		66	97.1%	1,851,060	98.8%

• Calculated based on the floor area multiplied by ownership ratio of the property or on the floor area of exclusively owned area.

DBJ Green Building Certification

“DBJ Green Building Certification” is a certification system established in April 2011 by the Development Bank of Japan Inc. to support buildings with high environmental and social awareness (a “Green Building”).

Based on its comprehensive evaluation system, which includes not only an environmental performance but also a social one (owner response to social needs of the diverse stakeholders of the properties), DBJ identifies and certifies “Green Building,” which are essential in today’s real estate market. Evaluation results are expressed in five-level ratings.

Scoring of DBJ Green Building Certification

Stars

Property Name	DBJ Green Building Certification
Roppongi T-CUBE	★★★★
NBF Osaki Bldg.	★★★★
Osaki Bright Core - Bright Plaza	★★★★
Nakanoshima Central Tower	★★★★
River City M-SQUARE	★★★
Shinbashi M-SQUARE	★★★
NBF Kandasudacho Bldg.	★★★
NBF Toyosu Canal Front	★★★
NBF Toyosu Garden Front	★★★
Higashi Gotanda Square	★★★
Aqua Dojima NBF Tower	★★★
Sumitomo Mitsui Banking Nagoya Bldg.	★★★
Hakata Gion M-SQUARE	★★★
Sapporo L-Plaza	★★★
NBF Matsuyama Nichigin-mae Bldg.	★★★

CASBEE for Buildings・Real Estate

"CASBEE (Comprehensive Assessment System for Built Environment Efficiency)" is a system to evaluate environmental performance of buildings, operated by the CASBEE Research Committee, established in April 2001 as an industrial/academic/government cooperation project under the support of the Housing Bureau of the Ministry of Land, Infrastructure, Transport and Tourism. The system comprehensively evaluates the quality of buildings, including but not limited to environmental considerations such as using materials and equipment which are energy saving or have a lower environmental impact, internal amenities and also giving consideration to views.
CASBEE for Buildings is evaluated in five levels (from S rank to C rank), and CASBEE for Real Estate is evaluated in four levels (from S rank to B rank).

Property Name	CASBEE for Buildings
Gate City Ohsaki	S

Property Name	CASBEE for Real Estate
Shinjuku Mitsui Bldg.	S
IIDABASHI GRAND BLOOM	S
Nishi-Shinjuku Mitsui Bldg.	S
Celestine Shiba Mitsui Bldg.	S
NBF Shinagawa Tower	S
Shiba NBF Tower	S
NBF Platinum Tower	S
NBF COMODIO Shiodome	S
G-BASE TAMACHI	S
Toranomon Kotohira Tower	S
NBF Shibuya Garden Front	S
Shinjuku Mitsui Bldg. No.2	S
NBF ALLIANCE	S
NBF Shibuya East	S
Sumitomo Densetsu Bldg.	S
NBF Hatchobori Terrace	S
Jingumae M-SQUARE	S
Toyosu Bayside Cross Tower	S
Ueno East Tower	S
Nakameguro GT Tower	S
OSAKI BRIGHT TOWER	S
NBF Ikebukuro East	S
Chofu South Gate Bldg.	S
Yokohama ST Bldg.	S
Parale Mitsui Bldg.	S
Tsukuba Mitsui Bldg.	S
S-ino Omiya North Wing	S
Nagoya Mitsui New Bldg.	S
Nagoya Mitsui Main Bldg.	S
NBF Nagoya Hirokoji Bldg.	S
Nakanoshima Mitsui Bldg.	S
Sakaisuji-Honmachi Center Bldg.	S
Hiroshima Fukuromachi Bldg.	S
NBF Kumamoto Bldg.	S
NBF Ginza Street Bldg.	A
Kowa Nishi-Shinbashi Bldg. B	A
Yotsuya Medical Bldg.	A
NBF Takanawa Bldg.	A
NBF Akasaka Sanno Square	A
NBF Ogawamachi Bldg.	A
NBF Higashi-Ginza Square	A
Nihonbashi Kabuto-cho M-SQUARE	A
Ryukakusan Bldg.	A
NBF Ikebukuro Tower	A
NBF Ikebukuro City Bldg.	A
NBF Urawa Bldg.	A
NBF Matsudo Bldg.	A
Shinanobashi Mitsui Bldg.	A
Yodoyabashi Flex Tower	A
NBF Sapporo Minami Nijo Bldg.	A

•  For properties with both DBJ Green Building and CASBEE for Real Estate certifications, the certification with the later expiration date is listed.

Top-Level Facility Certification

The “Top-Level-Facility (Specified High Quality Commercial Facility with Measures against Global Warming)” is a scheme to proportionally mitigate the required greenhouse gas emission reduction ratio of the subject facility, in accordance with the level of measures taken against global warming, if such building is approved by the Tokyo Governor as meeting “certain standards set forth by the Governor” as an “office building promoting an excellent level of measures against global warming (Specified High Quality Commercial Facility with Measures against Global Warming).”

Property Name	Certified Level
GranTokyo South Tower	Top-Level Facility
Shinjuku Mitsui Bldg.	Near-Top-Level Facility
IIDABASHI GRAND BLOOM	Near-Top-Level Facility