Consulting and Manufacturing Agreement, Amendment 4

Exhibit 10.26

Broncus Technologies, lnc. 0000 X. Xxxxxxxxx Xxxx. Xxxxxxxx X, Xxxxx 0 Xxxxxxxx Xxxx, XX 00000 xxx.xxxxxxx.xxx [650] 428-1600 [650] 000-0000 fax

Consulting and Manufacturing Agreement, Amendment 4

January 21, 2008

Xxxxx X. Xxxxx, Ph.D., President

Stellartech Research Corporation

0000 Xxxxxxxx Xx.

Xxxxxxxxx, XX 00000

Dear Xxxxx:

As you are aware, Broncus continues to desire Stellartech Research Corporation to manufacture, supply, and provide service in connection with the Exhale DPU. To this end, Broncus would like to extend and make effective the Consulting and Manufacturing Agreement (including all amendments) between Broncus Technologies and Stellartech Research Corporation from December 31, 2007 through December 31, 2009, unless otherwise terminated as provided for in Section 2.2 of the Agreement.

Please indicate your agreement to above by signing where indicated below.

Thank you,

/s/ Xxx Xxxxxxx

Xxx Xxxxxxx

Vice President, Operations

Broncus Technologies, Inc.

/s/ Xxxxx X. Xxxxx, PhD.

Xxxxx X. Xxxxx, PhD.

President

Stellartech Research Corporation