Vertex exercises option to purchase additional $25 million notes

Vertex Pharmaceuticals Incorporated (Nasdaq: VRTX) today announced that the underwriter for its offering of 3.35% convertible senior subordinated notes due 2015 has exercised in full its option to purchase an additional $25 million aggregate principal amount of notes. The exercise of the option brings the total aggregate principal amount of notes sold in the offering to $400 million.

BofA Merrill Lynch is acting as the sole underwriter in the offering.

This press release does not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. An automatically effective shelf registration statement relating to the notes Vertex intends to sell has been filed with the Securities and Exchange Commission. Any offer of notes will be made only by means of a prospectus, including a prospectus supplement, forming a part of the automatically effective shelf registration statement. A copy of the prospectus for the offering can be obtained from BofA Merrill Lynch, 4 World Financial Center, New York, NY 10080, Attn: Prospectus Department or email [email protected].