EXHIBIT A JOINT FILING AGREEMENT
EXHIBIT A
In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the
undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G
(including amendments thereto) with respect to the Common Stock of MedAssets, Inc. and further
agree that this agreement be included as an exhibit to such filing. Each party to the agreement
expressly authorizes each other party to file on its behalf any and all amendments to such
statement. Each party to this agreement agrees that this joint filing agreement may be signed in
counterparts.
In evidence whereof, the undersigned have caused this Agreement to be executed on their behalf
this 17th day of February, 2009.
| XXXXX PARTNERS III, L.P. | GALEN PARTNERS INTERNATIONAL III, L.P. | |||||||||||||
| By: | Claudius, L.L.C., its General Partner |
By: | Claudius, L.L.C., its General Partner |
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| By: | /s/ Xxxxx X. Xxxxxx | By: | /s/ Xxxxx X. Xxxxxx | |||||||||||
| Name: | Xxxxx X. Xxxxxx | Name: | Xxxxx X. Xxxxxx | |||||||||||
| Title: | Member | Title: | Member | |||||||||||
| XXXXX EMPLOYEE FUND III, L.P. | ||||||||||||||
| By: | Wesson Enterprises, Inc., its General Partner |
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| By: | /s/ Xxxxx X. Xxxxxx | |||||||||||||
| Name: | Xxxxx X. Xxxxxx | |||||||||||||
| Title: | Sole Shareholder | |||||||||||||
| CLAUDIUS, L.L.C. | WESSON ENTERPRISES, INC. | |||||||||||||
| By: | /s/ Xxxxx X. Xxxxxx | By: | /s/ Xxxxx X. Xxxxxx | |||||||||||
| Name: | Xxxxx X. Xxxxxx | Name: | Xxxxx X. Xxxxxx | |||||||||||
| Title: | Member | Title: | Sole Shareholder | |||||||||||
| By: | /s/ Xxxxx X. Xxxxxx | By: | /s/ L. Xxxx Xxxxxxxxx | |||||||||||
| Name: | Xxxxx X. Xxxxxx | Name: | L. Xxxx Xxxxxxxxx | |||||||||||
| By: | /s/ Xxxxx Xxxxx | By: | /s/ Xxxxxx Xxxxxx | |||||||||||
| Name: | Xxxxx Xxxxx | Name: | Xxxxxx Xxxxxx | |||||||||||
