EXHIBIT 1

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the persons named below agrees to the joint filing of a Statement on Schedule 13G (including amendments thereto) with respect to the common stock, par value $0.01 per share, of Lionbridge Technologies, Inc., a Delaware corporation, and further agrees that this Joint Filing Agreement be included as an exhibit to such filings provided that, as contemplated by Section 13d-1(k)(l)(ii), no person shall be responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

In evidence thereof, the undersigned, being duly authorized, hereby execute this Agreement this February 13, 2004.

This Schedule may be executed in two or more counterparts, any one of which need not contain the signature of more than one party, but all such parties taken together will constitute part of this Schedule.

Date: February 13, 2004

MORGAN STANLEY

By:	/s/ Dennine Bullard
	Name: Dennine Bullard
	Title: Authorized Signatory


MORGAN STANLEY VENTURE CAPITAL II, INC.

By:	/s/ Debra Abramovitz
	Name: Debra Abramovitz
	Title: Executive Director


MORGAN STANLEY VENTURE PARTNERS II, L.P..

By:	Morgan Stanley Venture Capital II, Inc., as Managing General Partner

By:	/s/ Debra Abramovitz
	Name: Debra Abramovitz
	Title: Executive Director


MORGAN STANLEY VENTURE CAPITAL FUND II ANNEX, L.P.

By:	Morgan Stanley Venture Partners II, L.P., as General Partner

By:	Morgan Stanley Venture Capital II, Inc., as Managing General Partner

By:	/s/ Debra Abramovitz
	Name: Debra Abramovitz
	Title: Executive Director



MORGAN STANLEY VENTURE INVESTORS ANNEX, L.P

By:	Morgan Stanley Venture Partners II, L.P., as General Partner

By:	Morgan Stanley Venture Capital II, Inc., as Managing General Partner

By:	/s/ Debra Abramovitz
	Name: Debra Abramovitz
	Title: Executive Director