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10-Q - FORM 10-Q - VERTEX PHARMACEUTICALS INC / MAa2195217z10-q.htm
EX-4.1 - EXHIBIT 4.1 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-4_1.htm
EX-4.2 - EXHIBIT 4.2 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-4_2.htm
EX-10.4 - EXHIBIT 10.4 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-10_4.htm
EX-31.1 - EXHIBIT 31.1 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-31_1.htm
EX-10.5 - EXHIBIT 10.5 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-10_5.htm
EX-10.2 - EXHIBIT 10.2 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-10_2.htm
EX-10.6 - EXHIBIT 10.6 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-10_6.htm
EX-10.1 - EXHIBIT 10.1 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-10_1.htm
EX-31.2 - EXHIBIT 31.2 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-31_2.htm
EX-10.3 - EXHIBIT 10.3 - VERTEX PHARMACEUTICALS INC / MAa2195217zex-10_3.htm

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Exhibit 32.1

Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350,
Chapter 63 of Title 18, United States Code)

        Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), each of the undersigned officers of Vertex Pharmaceuticals Incorporated, a Massachusetts corporation (the "Company"), does hereby certify, to such officer's knowledge, that the Quarterly Report on Form 10-Q for the quarter ended September 30, 2009 (the "Form 10-Q") of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: November 9, 2009   /s/ MATTHEW W. EMMENS

Matthew W. Emmens
Chairman, Chief Executive Officer and President
(principal executive officer)

Dated: November 9, 2009

 

/s/ IAN F. SMITH

Ian F. Smith
Executive Vice President and Chief Financial Officer
(principal financial officer)



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