Addendum to Asset Contribution Agreement Sample Contracts

AMENDMENT TO ADDENDUM TO ASSET CONTRIBUTION AGREEMENT
Addendum to Asset Contribution Agreement • October 3rd, 2007 • MAKO Surgical Corp. • Orthopedic, prosthetic & surgical appliances & supplies

THIS AMENDMENT (together with all exhibits hereto, this “Amendment”) TO THE ADDENDUM TO ASSET CONTRIBUTION AGREEMENT (the “Addendum”) is made and entered into effective the 26th day of April, 2007 (the “Effective Date”), by and among Z-KAT, INC., a Florida corporation (“Z-KAT”), and MAKO Surgical Corp, a Delaware corporation (“MAKO,” with each of Z-KAT and MAKO being referred to as a “Party” and, together, as the “Parties.”)

AMENDMENT TO ADDENDUM TO ASSET CONTRIBUTION AGREEMENT
Addendum to Asset Contribution Agreement • November 14th, 2007 • MAKO Surgical Corp. • Orthopedic, prosthetic & surgical appliances & supplies

THIS AMENDMENT (together with all exhibits hereto, this “Amendment”) TO THE ADDENDUM TO ASSET CONTRIBUTION AGREEMENT (the “Addendum”) is made and entered into effective the 26th day of April, 2007 (the “Effective Date”), by and among Z-KAT, INC., a Florida corporation (“Z-KAT”), and MAKO Surgical Corp, a Delaware corporation (“MAKO,” with each of Z-KAT and MAKO being referred to as a “Party” and, together, as the “Parties.”)