--------------------------------- PROFORMA INVOICE/QUOTATION PROFORMA INV/QUOTATION# --------------------------------- SOLD TO: IMMUNEREGEN BIOSCIENCES, INC. 20593694 --------------------------------- 4021 N. 75TH ST/ STE 201 SIGMA-ALDRICH DATE --------------------------------- SCOTTSDALE AZ 85251-4569 INQUIRIES TO: 4/7/2005 --------------------------------- SIGMA-ALDRICH INC VALID UNTIL --------------------------------- SHIP TO: PATWELL PHARMACEUTICAL 3050 SPRUCE ST 5/7/2005 --------------------------------- SOLUTIONS, LLC SAINT LOUIS MO 63103 US SOLD TO CUSTOMER NUMBER --------------------------------- ATTN: David P. Popplewell 49671794 --------------------------------- 555 FOX CHASE/STE 102 Phone: 888-289-8454 CUSTOMER REFERENCE NUMBER --------------------------------- COATESVILLE PA 19320 Fax: 888-289-8449 --------------------------------- Email: SAFINECHEM@SIAL.COM INCO TERMS --------------------------------- CONTACT: MICHAEL WILHELM FCA/SHIPPING POINT --------------------------------- TELEPHONE: 480-922-3926 FAX: NOT AVAILABLE - ------------------------------------------------------------------------------------------------------------------------------------ LINE MATERIAL NUMBER DESCRIPTION QUANTITY UOM UNIT PRICE EXTENDED PRICE PROPOSED ROUTE - ------------------------------------------------------------------------------------------------------------------------------------ 001 SAFC-QC-BIO Analytical Method Transfer & Testing 56.00 EA 135.00 7560.00 Others Shipped from SAINT LOUIS 002 SAFC-RD-BIO Technology Transfers & Estimated Labor 136.00 EA 175.00 23800.00 Shipped From SAINT LOUIS Others 003 S8693-SPEC (SAR, MET(02)11-SUBSTANCE P CUSTOM 100.00 MG 836.40 83640.00 AIRBORNE OVERNIGHT NON-HAZARDOUS / Dry Ice Required Shipped From SAINT LOUIS Items Total 115,000.00 USD Trans/Handling 35.53 USD Total Tax 6902.13 USD Total Due 121,937.66 USD - ------------------------------------------------------------------------------------------------------------------------------------