Agreement Regarding Tax Payment Related to Pharma Services Holding, Inc. Share Purchase between Quintiles Transnational Corp. and Robert A. Ingram

Summary

Quintiles Transnational Corp. agrees to pay Robert A. Ingram $79,172.24 to help cover potential tax liability resulting from his purchase of Pharma Services Holding, Inc. common stock and his related 83(b) tax election. Mr. Ingram remains responsible for any personal tax obligations, regardless of whether this payment fully covers his liability. The letter recommends that Mr. Ingram consult his personal tax advisor for further guidance.

EX-10.26 6 g93307exv10w26.txt EX-10.26 Exhibit 10.26 (QUINTILES TRANSNATIONAL CORP. LOGO) Quintiles Transnational Corp. Post Office Box 13979 Research Triangle Park, NC ###-###-#### ###-###-#### / Fax ###-###-#### http://www.quintiles.com February 22, 2005 Robert A. Ingram Vice Chairman, Pharmaceuticals GlaxoSmithKline Five Moore Drive RTP, NC 27709 Re: Purchase of Pharma Shares Dear Bob, On February 3, 2005 you were offered the opportunity to purchase shares of common stock of Pharma Services Holding, Inc. for $0.2438 per share. On February 8, you accepted the offer, purchased the shares and filed an 83(b) election. In connection with the potential tax liability to you resulting from your election, Quintiles will pay to you the amount of $79,172.24. You remain responsible for any personal tax liability whether or not this additional payment to you fully addresses your tax liability. We recommend that you seek advice from your personal tax advisor regarding the payment. If you have any questions, please contact me at ###-###-####. Sincerely, /s/Nicky Rousseau Nicky Rousseau V.P., Global Compensation and Benefits