JOINT FILING AGREEMENT
Exhibit I
Each of the undersigned hereby acknowledges and agrees, in compliance with the provisions of Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, that the Schedule 13D to which this Agreement is attached as an Exhibit, and any amendments thereto, will be filed with the Securities and Exchange Commission jointly on behalf of each of the undersigned.
Dated: March 23, 2004
| Shenzen Huawei Holding Co., Ltd. | ||
| By: | /s/ Ji Ping | |
| Name: | Ji Ping | |
| Title: | Vice President | |
| Huawei Technologies Co., Ltd. | ||
| By: | /s/ Jiang Xisheng | |
| Name: | Jiang Xisheng | |
| Title: | Vice President | |
| Huawei Tech. Investment Co., Ltd. | ||
| By: | /s/ Xx Xxxxxxx | |
| Name: | Xx Xxxxxxx | |
| Title: | Assistant President | |
