EXHIBIT A: Joint Filing Agreement

EXHIBIT A: Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Ordinary Shares, par value $0.001 per share, of VanceInfo Technologies Inc., a Cayman Islands company, and that this Agreement may be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

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Signature Page

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of February 11, 2011.

Xxxxx Xxxxxxx Xxxx	By:	/s/ Xxxxx Xxxxxxx Xxxx
		Xxxxx Xxxxxxx Xxxx
Button Software Ltd.	By:	/s/ Xxxxx Xxxxxxx Xxxx
		Name:	Xxxxx Xxxxxxx Xxxx
		Title:	Director
TAIRON INVESTMENT LIMITED	By:	/s/ Xxxxx Xxxxxxx Xxxx
		Name:	Xxxxx Xxxxxxx Xxxx
		Title:	Director
Altivo Investments Limited	By:	/s/ Xxxx Sim and Tang Yang Ping
	Name: Xxxx Sim, Xxxx Xxxx Xxxx Authorized Signatories For and on behalf of Bukit Merah Limited
	Title: Corporate Director
Credit Suisse Trust Limited	Credit Suisse Trust Limited in its capacity of Trustee of The Altivo Trust
	By:	/s/ Xxxx Sim
		Name:	Xxxx Sim
		Title:	Authorized Signatory
	By:	/s/ Tang Yang Ping
		Name:	Tang Yang Ping
		Title:	Authorized Signatory