Forward-Looking StatementTo the extent that statements contained in this press release are not descriptions of historical facts, they are forward-looking statements reflecting the current beliefs and expectations of management made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Forward-looking statements include any statements about Merrimack's strategy, future operations, future financial position and future expectations and plans and prospects for Merrimack, and any other statements containing the words "anticipate," "believe," "estimate," "expect," "intend," "may," "plan," "predict," "project," "target," "potential," "will," "would," "could," "should," "suggests, ""continue," and similar expressions. In this press release, Merrimack's forward-looking statements include statements about the safety, activity and benefits of MM-121 in combination with paclitaxel and of MM-111 in combination with certain HER2-targeting regimens. Such forward-looking statements involve substantial risks and uncertainties that could cause Merrimack's clinical development programs, future results, performance or achievements to differ significantly from those expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, the uncertainties inherent in the initiation and conduct of future clinical trials, availability of data from ongoing clinical trials, the results of future clinical trials, expectations for regulatory approvals, development progress of Merrimack's companion diagnostics, and other matters that could affect the availability or commercial potential of Merrimack's drug candidates or companion diagnostics. Merrimack undertakes no obligation to update or revise any forward-looking statements. Forward-looking statements should not be relied upon as representing Merrimack's views as of any date subsequent to the date hereof. For a further description of the risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to Merrimack's business in general, see the "Risk Factors" section of Merrimack's Form 10-Q filed with the Securities and Exchange Commission on August 14, 2012, available on the investor relations portion of the Company's website at http://www.merrimackpharma.com and on the SEC's website at http://www.sec.gov. SOURCE Merrimack Pharmaceuticals, Inc.