**Exhibit 10.3**FIRST AMENDMENT OF SUBLEASETHIS FIRST AMENDMENT OF SUBLEASE (this “First Amendment”) is made as of this 1stday of May, 2006 by and between D&K HEALTHCARE RESOURCES LLC, a Delaware limited liability company(“Sublandlord”), and UNITED STATES PHARMACEUTICAL GROUP, L.L.C., a Delaware limited liabilitycompany, d/b/a NationsHealth (“Subtenant”).WHEREAS, pursuant to the terms of a certain Industrial Lease Agreement, dated as of February6, 2001, as amended by a First Amendment to Industrial Lease Agreement, dated as of November 27,2001 (as amended, the “Lease”) by and between Industrial Property Fund III, L.P., a Georgia limitedpartnership, as landlord (“Landlord”), and Sublandlord’s predecessor-in-interest, as tenant,Sublandlord’s predecessor-in-interest leased premises containing approximately 24,140 square feetof space located at 2955 West Corporate Lakes Boulevard, Weston, Florida and as more particularlydescribed in the Lease (herein, the “Premises”);WHEREAS, pursuant to that certain Sublease dated May 19, 2004 (the “Sublease”), theSublandlord has subleased to Subtenant the entire Premises according to the terms and conditionsset forth in the Sublease;WHEREAS, the current term of the Sublease expires on May 1, 2006;WHEREAS, Sublandlord and Subtenant desire to extend the term of the Sublease so that it shallexpire on September 3, 2006 (the “Expiration Date”); andWHEREAS, Sublandlord and Subtenant desire to amend the Sublease to reflect such extension andto modify certain other provisions thereof.NOW, THEREFORE, in consideration of the mutual covenants and agreements contained herein,Sublandlord and Subtenant agree as follows:1. All capitalized terms used herein, unless otherwise defined herein, shall have themeanings set forth in the Sublease.2. Sublandlord and Subtenant agree that the current term of the Sublease shall be extended sothat it shall expire on September 3, 2006 (the “Expiration Date”).3. Rent during the period commencing on May 1, 2006 and ending on the Expiration Date shallbe as follows:
 
 

 
     Base Rent/Month Additional Rent/Month Total Rent/Month$15,849.04 $3,386.99 $19,236.03Concurrently with payment of each installment of Rent Subtenant shall also pay as additionalrent any applicable Florida State sales or use tax on such installment.4. Section of the Sublease is hereby amended to provide that any notice, demand, request,consent, approval or other communication to be given to Sublandlord shall be sent to the followingaddresses:D&K Healthcare Resources LLCc/o McKesson CorporationOne Post Street, 34th FloorSan Francisco, CA 94104Attention: McKesson Real Estatewith copies to:Trammell Crow CompanyAttn.: McKesson Lease Administration1687 114th Street, S.E.Suite 250Bellevue, WA 980045. Effective as of June 1, 2006 all rent payments under the Sublease shall be made to thefollowing address: D&K Healthcare Solutions LLC, c/o McKesson Corporation, One Post Street,34th Floor, San Francisco, CA 94104, Attention: McKesson Real Estate, unless and untilSublandlord shall designate in writing a different or further address to which rent shall bepayable.6. All other terms and conditions of the Sublease shall remain in full force and effect.In the event of any conflict between the provisions of the Basic Lease or the Sublease and theprovisions of this First Amendment, the provisions of this First Amendment shall prevail.
 
 

 
**IN WITNESS WHEREOF,**the parties hereto have caused this First Amendment of Sublease to beexecuted as of the day and year first above written.         SUBLANDLORD:           D&K HEALTHCARE RESOURCES LLC,