ADDENDUM TO

KEY EMPLOYEE RETENTION AGREEMENT

In connection with that Key Employee Retention Agreement (“Agreement”) executed between Kinetic Concepts, Inc. (the “Company”) and Teresa Johnson (“Employee”) and dated as of  January __, 2008, the Company and Employee have agreed that in order for the Agreement to comply with the provisions of Section 409A ("Section 409A") of the Internal Revenue Code of 1986, as amended (the "Code") and the regulations and guidance promulgated thereunder so as not to subject Employee to the payment of additional taxes and interest under Section 409A, the following changes to the Agreement (in bold) have been made effective as of December 31, 2008:

Good Reason.  "Good Reason" shall mean one or more of the following:  (i) the material reduction of Employee’s duties and/or responsibilities, which is not cured within 30 days after the Employee provides written notice to the Company; provided, however, it shall not be considered Good Reason if, upon or following a Change in Control, the Employee’s duties and responsibilities remain the same as those prior to the Change in Control but the Employee’s title and/or reporting relationship is changed; (ii) the material reduction of Employee’s base salary (which is not cured within 30 days after the Employee provides written notice), other than across-the-board decreases in base salary applicable to all executive officers of the Company; or (iii) the relocation of the Employee to a business location in excess of fifty (50) miles from the Company’s headquarters in San Antonio (which is not cured within 30 days after the Employee provides written notice). To be considered a resignation from employment on account of Good Reason, the Employee must provide written notice to the Company (stating that Employee believes one or more of the Good Reason conditions described above exists) within 30 days of the initial existence of such condition, and must resign within 30 days of the Company’s failure to cure such condition.

6. Conditions to Severance Benefits.

(a)No severance benefits shall be made under Sections 4(a) and (b) unless and until the Employee shall, in consideration of such benefits, execute a full waiver and release of all claims in a form provided by the Company which waiver and release shall be delivered to the Company within 45 days following termination of employment.

IN WITNESS WHEREOF, each of the Parties has executed this Addendum, in the case of the Company by its duly authorized officer:

COMPANY	KINETIC CONCEPTS, INC. By:   /s/ Jim Cravens Title:  Senior Vice President, Human Resources
EMPLOYEE	Teresa Johnson /s/ Teresa Johnson