EXHIBIT 10.3
COMMENCEMENT DATE MEMORANDUM
     THIS MEMORANDUM is made and entered into as of January 25, 2007 by and
between PC 101, INC., a Delaware corporation, as Landlord, and SXC HEALTH
SOLUTIONS, INC., a Texas corporation, as Tenant.
RECITALS:
     A. Landlord and Tenant are parties to a certain Multi-Tenant Lease
Agreement dated as of April 12, 2006, as amended by that certain First Amendment
to Multi-Tenant Lease Agreement dated as of July 24, 2006 (“Lease”), relating to
certain premises (“Premises”) located in the building commonly known as “Opus
Pima Center II”, located at the northwest corner of Via de Ventura Boulevard and
Loop 101 Pima Freeway in Scottsdale, Arizona (“Building”).
     B. All capitalized terms not otherwise defined in this Memorandum have the
meanings given them in the Lease.
     C. Landlord and Tenant desire to confirm certain facts regarding the Lease,
including the Commencement Date, the size of the Premises and Building, the
monthly Basic Rent installment amounts, and the date the initial Term of the
Lease expires and the notice date(s) and expiration date(s) of any extension
periods provided to Tenant under the Lease.
ACKNOWLEDGMENTS:
     Pursuant to Section 1.2 of the Lease and in consideration of the facts set
forth in the Recitals, Landlord and Tenant acknowledge and agree as follows:
     1. The Commencement Date under the Lease is October 6, 2006.
     2. The Premises contains 9,623 rentable square feet and 9,361 usable square
feet.
     3. The Building contains 40,712 rentable square feet.
     4. Monthly installments of Basic Rent:

          Months   Basic Rent
1—4
  $ 0.00  
5—64
  $ 13,592.49  

     5. Initial Tenant’s Share of Property Expenses Percentage: 23.64%.
     6. The initial Term of the Lease expires on February 29, 2012, unless the
Lease is sooner terminated in accordance with the terms and conditions of the
Lease.
     7. Tenant must exercise its right to extend the Term, if at all, by
notifying Landlord no later than May 31, 2011, subject to the conditions and
limitations set forth in the Lease.
     8. If so extended, the Term will expire on February 28, 2017, unless the
Lease is sooner terminated in accordance with the terms and conditions of the
Lease.
     Landlord and Tenant have each caused this Memorandum to be executed and
delivered by their duly authorized representatives as of the day and date first
written above. This Memorandum may be executed in counterparts, each of which is
an original and all of which constitute one instrument.

            LANDLORD:

PC 101, INC., a Delaware corporation
      By   /s/ Thomas W. Roberts         Name:   Thomas W. Roberts       
Title:   President        TENANT:

SXC HEALTH SOLUTIONS, INC., a Texas corporation
      By   /s/ Jeff Park         Name:   JEFF PARK        Title:   CFO