(as of June 30, 2011)
| 1.Mitsui Fudosan Co.,Ltd.(*) | Nishi-Shinjuku Mitsui Bldg. and 9 other properties |
179,536 | 22.3 |
| 2.IBM Japan, Ltd | NBF Toyosu Canal Front and 1 other property |
28,393 | 3.5 |
| 3.GlaxoSmithKline.K.K | GSK Bldg. and 2 other properties |
21,055 | 2.6 |
| 4.AXA Life Insurance Co.,Ltd. | NBF Platinum Tower and 2 other properties |
18,419 | 2.3 |
| 5.NS Solutions Corporation | Nippon Steel Bldg. No.2 | 15,333 | 1.9 |
| 6.Transcosmos Inc. | Shibuya Garden Front and 3 other properties |
15,088 | 1.9 |
| 7.Hakuhodo DY Holdings Inc. | NBF Toyosu Garden Front | 15,047 | 1.9 |
| 8.American Family Life Assurance Company of Columbus | Chofu South Gate Bldg. and 1 other property |
14,164 | 1.8 |
| 9.Fuji Xerox Co.,Ltd. | Nakanosakaue Sunbright Twin | 13,518 | 1.7 |
| 10.Sumitomo Mitsui Construction Co., Ltd. | River City M-SQUARE | 10,915 | 1.4 |
(*)Mitsui Fudosan Co., Ltd. subleases those properties to various sublessees (except one for which Mitsui Fudosan Co., Ltd. is itself the lessee). Rents received by NBF from Mitsui Fudosan consist of rents received by Mitsui Fudosan from its sublessees less a certain percentage of such amount.





