Common Contracts

BlackRock Health Sciences Trust (a Delaware statutory trust) [ ] Common Shares of Beneficial Interest (Par Value $.001 Per Share) PURCHASE AGREEMENT

Purchase Agreement • March 25th, 2005 • BlackRock Health Sciences Trust • New York

• Contract Type
  Purchase Agreement
• Filed
  March 25th, 2005
• Company
  BlackRock Health Sciences Trust
• Jurisdiction
  New York

Merrill Lynch & Co. Merrill Lynch, Pierce, Fenner & Smith Incorporated A.G. Edwards & Sons, Inc. Wachovia Capital Markets, LLC Advest, Inc. BB&T Capital Markets, a division of Scott & Stringfellow, Inc. Robert W. Baird & Co. Incorporated H&R Block Financial Advisors, Inc. Ferris, Baker Watts, Incorporated Fixed Income Securities, L.P. J.J.B. Hilliard, W.L. Lyons, Inc. Janney Montgomery Scott LLC Oppenheimer & Co. Inc. PNC Capital Markets, Inc. RBC Capital Markets Corporation Raymond James & Associates, Inc. Stifel, Nicolaus & Company, Incorporated x c/o Merrill Lynch, Pierce, Fenner & Smith Incorporated 4 World Financial Center New York, New York 10080

Clough Global Allocation Fund (a Delaware statutory trust) Common Shares of Beneficial Interest $20.00 per Share (No Par Value) PURCHASE AGREEMENT

Purchase Agreement • July 26th, 2004 • Clough Global Allocation Fund • New York

• Contract Type
  Purchase Agreement
• Filed
  July 26th, 2004
• Company
  Clough Global Allocation Fund
• Jurisdiction
  New York

Merrill Lynch & Co. Merrill Lynch, Pierce, Fenner & Smith Incorporated Raymond James & Associates, Inc. BB&T Capital Markets, a division of Scott & Stringfellow, Inc. BNY Capital Markets, Inc. Ferris, Baker Watts, Incorporated Legg Mason Wood Walker, Incorporated Oppenheimer & Co. Inc. RBC Capital Markets Corporation Stifel, Nicolaus & Company, Incorporated c/o Merrill Lynch, Pierce, Fenner & Smith Incorporated 4 World Financial Center New York, New York 10080