USMD Holdings, Inc. Watch

from 8-K 30 pages Consent, Waiver and Amendment No. 12 to Credit Agreement

from 10-Q 11 pages Amendment No. 11 to Credit Agreement as of November 13, 2015 1

from 8-K 41 pages Amendment No. 10 to Credit Agreement

from 10-Q 32 pages Amendment No. 9 to Credit Agreement and Amendment No. 2 to Guarantee and Collateral Agreement

from 8-K 18 pages Amendment No. 8 to Credit Agreement

from 8-K 16 pages Amendment No. 7 to Credit Agreement

from 8-K 26 pages Amendment No. 6 to Credit Agreement and Amendment No. 1 to Guarantee and Collateral Agreement

from 8-K 18 pages Amendment No. 5 to Credit Agreement

from 10-K 28 pages Waiver and Amendment No. 4 to Credit Agreement

from 8-K 19 pages Amendment No. 3 to Credit Agreement

from 8-K 14 pages Amendment No. 1 to Credit Agreement February 28, 2013

from 10-Q 213 pages $31,000,000 Credit Agreement Among USMD Holdings, Inc., USMD Inc., Urology Associates of North Texas, P.L.L.C., Impel Management Services, L.L.C., Impel Consulting Experts, L.L.C., Mat-Rx Development, L.L.C., USMD of Arlington GP, L.L.C., US Lithotripsy, L.P., USMD Cancer Treatment Centers, L.L.C., USMD Cancer Treatment Centers GP, L.L.C., USMD Ppm, LLC, USMD Diagnostic Services, LLC, Mat-Rx Fort Worth GP, L.L.C., USMD Administrative Services L.L.C., Usgp, LLC., Litho GP, LLC., Metro I Stone Management, Ltd., USMD Affiliated Services, and Medical Clinic of North Texas Pllc, as Borrowers, the Several Lenders From Time to Time Parties Hereto, and Jpmorgan Chase Bank, N.A., as Administrative Agent Dated as of August 31, 2012

from S-4/A 12 pages August 12, 2010 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: Third Amendment to Loan Agreement Ladies and Gentlemen: Urology Associates of North Texas, L.L.P., Et Al August 12, 2010 Page 2 of 10

from S-4/A 11 pages January 31, 2010 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: Second Amendment to Loan Agreement Ladies and Gentlemen: Urology Associates of North Texas, L.L.P., Et Al January 31, 2010 Page 2 of 9 Revolving Line of Credit, and Uant May Not Borrow, Repay, and Reborrow on a Revolving Basis Under the Third Advance Loan. All Sums Advanced Under the Third Advance Loan, Together With All Accrued but Unpaid Interest Thereon, Shall Be Due and Payable in Full on the Termination Date.”

from S-4/A 7 pages March , 2009 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: First Amendment to Loan Agreement Ladies and Gentlemen

from S-4/A 26 pages November 7, 2008 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: Loan Agreement Ladies and Gentlemen: Urology Associates of North Texas, L.L.P., Et Al November 7, 2008 Page 2 of 21

from S-4 12 pages August 12, 2010 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: Third Amendment to Loan Agreement Ladies and Gentlemen: Urology Associates of North Texas, L.L.P., Et Al August 12, 2010 Page 2 of 10

from S-4 11 pages January 31, 2010 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: Second Amendment to Loan Agreement Ladies and Gentlemen: Urology Associates of North Texas, L.L.P., Et Al January 31, 2010 Page 2 of 9 Revolving Line of Credit, and Uant May Not Borrow, Repay, and Reborrow on a Revolving Basis Under the Third Advance Loan. All Sums Advanced Under the Third Advance Loan, Together With All Accrued but Unpaid Interest Thereon, Shall Be Due and Payable in Full on the Termination Date.”

from S-4 7 pages March , 2009 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: First Amendment to Loan Agreement Ladies and Gentlemen

from S-4 26 pages November 7, 2008 Urology Associates of North Texas, L.L.P. Uant Ventures, L.L.P. Attention: John M. House, M.D. 612 East Lamar Blvd., Suite 700 Arlington, Texas 76011 Re: Loan Agreement Ladies and Gentlemen: Urology Associates of North Texas, L.L.P., Et Al November 7, 2008 Page 2 of 21