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 13, 2012.

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/ Xxxxxxx Xxxxx, Serene Chew
						Name: Xxxxxxx Xxxxx/Xxxxxx Xxxx
						Authorized Signatories
						For and on behalf of Bukit Merah Limited
						Title: Corporate Director
CREDIT SUISSE TRUST LIMITED
AS TRUSTEE OF THE ALTIVO TRUST				Credit Suisse Trust Limited in its capacity of Trustee of The Altivo Trust
				By:		/s/ Xxxxxxx Xxxxx
						Name: Xxxxxxx Xxxxx
						Title: Authorized Signatory
				By:		/s/ Serene Chew
						Name: Serene Chew
						Title: Authorized Signatory